Mercurial > vim
annotate src/os_unix.c @ 4230:90d72df431e5 v7.3.866
updated for version 7.3.866
Problem: Not serving the X selection during system() isn't nice.
Solution: When using fork() do not loose the selection, keep serving it.
Add a loop similar to handling I/O. (Yukihiro Nakadaira)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Tue, 19 Mar 2013 12:35:42 +0100 |
| parents | fb533fb6c015 |
| children | beab15a2ef14 |
| rev | line source |
|---|---|
| 7 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 2 * | |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * OS/2 port by Paul Slootman | |
| 5 * VMS merge by Zoltan Arpadffy | |
| 6 * | |
| 7 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 8 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 9 * See README.txt for an overview of the Vim source code. | |
| 10 */ | |
| 11 | |
| 12 /* | |
| 13 * os_unix.c -- code for all flavors of Unix (BSD, SYSV, SVR4, POSIX, ...) | |
| 14 * Also for OS/2, using the excellent EMX package!!! | |
| 15 * Also for BeOS and Atari MiNT. | |
| 16 * | |
| 17 * A lot of this file was originally written by Juergen Weigert and later | |
| 18 * changed beyond recognition. | |
| 19 */ | |
| 20 | |
| 21 /* | |
| 22 * Some systems have a prototype for select() that has (int *) instead of | |
| 23 * (fd_set *), which is wrong. This define removes that prototype. We define | |
| 24 * our own prototype below. | |
| 25 * Don't use it for the Mac, it causes a warning for precompiled headers. | |
| 26 * TODO: use a configure check for precompiled headers? | |
| 27 */ | |
| 1076 | 28 #if !defined(__APPLE__) && !defined(__TANDEM) |
| 7 | 29 # define select select_declared_wrong |
| 30 #endif | |
| 31 | |
| 32 #include "vim.h" | |
| 33 | |
| 14 | 34 #ifdef FEAT_MZSCHEME |
| 35 # include "if_mzsch.h" | |
| 36 #endif | |
| 37 | |
| 7 | 38 #include "os_unixx.h" /* unix includes for os_unix.c only */ |
| 39 | |
| 40 #ifdef USE_XSMP | |
| 41 # include <X11/SM/SMlib.h> | |
| 42 #endif | |
| 43 | |
| 1583 | 44 #ifdef HAVE_SELINUX |
| 45 # include <selinux/selinux.h> | |
| 46 static int selinux_enabled = -1; | |
| 47 #endif | |
| 48 | |
| 7 | 49 /* |
| 50 * Use this prototype for select, some include files have a wrong prototype | |
| 51 */ | |
| 1076 | 52 #ifndef __TANDEM |
| 53 # undef select | |
| 54 # ifdef __BEOS__ | |
| 55 # define select beos_select | |
| 56 # endif | |
| 7 | 57 #endif |
| 58 | |
| 1102 | 59 #ifdef __CYGWIN__ |
| 60 # ifndef WIN32 | |
| 1657 | 61 # include <cygwin/version.h> |
| 62 # include <sys/cygwin.h> /* for cygwin_conv_to_posix_path() and/or | |
| 63 * for cygwin_conv_path() */ | |
| 4168 | 64 # ifdef FEAT_CYGWIN_WIN32_CLIPBOARD |
| 65 # define WIN32_LEAN_AND_MEAN | |
| 66 # include <windows.h> | |
| 67 # include "winclip.pro" | |
| 68 # endif | |
| 1102 | 69 # endif |
| 70 #endif | |
| 71 | |
| 7 | 72 #if defined(HAVE_SELECT) |
| 73 extern int select __ARGS((int, fd_set *, fd_set *, fd_set *, struct timeval *)); | |
| 74 #endif | |
| 75 | |
| 76 #ifdef FEAT_MOUSE_GPM | |
| 77 # include <gpm.h> | |
| 78 /* <linux/keyboard.h> contains defines conflicting with "keymap.h", | |
| 79 * I just copied relevant defines here. A cleaner solution would be to put gpm | |
| 80 * code into separate file and include there linux/keyboard.h | |
| 81 */ | |
| 82 /* #include <linux/keyboard.h> */ | |
| 83 # define KG_SHIFT 0 | |
| 84 # define KG_CTRL 2 | |
| 85 # define KG_ALT 3 | |
| 86 # define KG_ALTGR 1 | |
| 87 # define KG_SHIFTL 4 | |
| 88 # define KG_SHIFTR 5 | |
| 89 # define KG_CTRLL 6 | |
| 90 # define KG_CTRLR 7 | |
| 91 # define KG_CAPSSHIFT 8 | |
| 92 | |
| 93 static void gpm_close __ARGS((void)); | |
| 94 static int gpm_open __ARGS((void)); | |
| 95 static int mch_gpm_process __ARGS((void)); | |
| 96 #endif | |
| 97 | |
| 1620 | 98 #ifdef FEAT_SYSMOUSE |
| 99 # include <sys/consio.h> | |
| 100 # include <sys/fbio.h> | |
| 101 | |
| 102 static int sysmouse_open __ARGS((void)); | |
| 103 static void sysmouse_close __ARGS((void)); | |
| 104 static RETSIGTYPE sig_sysmouse __ARGS(SIGPROTOARG); | |
| 105 #endif | |
| 106 | |
| 7 | 107 /* |
| 108 * end of autoconf section. To be extended... | |
| 109 */ | |
| 110 | |
| 111 /* Are the following #ifdefs still required? And why? Is that for X11? */ | |
| 112 | |
| 113 #if defined(ESIX) || defined(M_UNIX) && !defined(SCO) | |
| 114 # ifdef SIGWINCH | |
| 115 # undef SIGWINCH | |
| 116 # endif | |
| 117 # ifdef TIOCGWINSZ | |
| 118 # undef TIOCGWINSZ | |
| 119 # endif | |
| 120 #endif | |
| 121 | |
| 122 #if defined(SIGWINDOW) && !defined(SIGWINCH) /* hpux 9.01 has it */ | |
| 123 # define SIGWINCH SIGWINDOW | |
| 124 #endif | |
| 125 | |
| 126 #ifdef FEAT_X11 | |
| 127 # include <X11/Xlib.h> | |
| 128 # include <X11/Xutil.h> | |
| 129 # include <X11/Xatom.h> | |
| 130 # ifdef FEAT_XCLIPBOARD | |
| 131 # include <X11/Intrinsic.h> | |
| 132 # include <X11/Shell.h> | |
| 133 # include <X11/StringDefs.h> | |
| 134 static Widget xterm_Shell = (Widget)0; | |
| 4230 | 135 static void clip_update __ARGS((void)); |
| 7 | 136 static void xterm_update __ARGS((void)); |
| 137 # endif | |
| 138 | |
| 139 # if defined(FEAT_XCLIPBOARD) || defined(FEAT_TITLE) | |
| 140 Window x11_window = 0; | |
| 141 # endif | |
| 142 Display *x11_display = NULL; | |
| 143 | |
| 144 # ifdef FEAT_TITLE | |
| 145 static int get_x11_windis __ARGS((void)); | |
| 146 static void set_x11_title __ARGS((char_u *)); | |
| 147 static void set_x11_icon __ARGS((char_u *)); | |
| 148 # endif | |
| 149 #endif | |
| 150 | |
| 151 #ifdef FEAT_TITLE | |
| 152 static int get_x11_title __ARGS((int)); | |
| 153 static int get_x11_icon __ARGS((int)); | |
| 154 | |
| 155 static char_u *oldtitle = NULL; | |
| 156 static int did_set_title = FALSE; | |
| 157 static char_u *oldicon = NULL; | |
| 158 static int did_set_icon = FALSE; | |
| 159 #endif | |
| 160 | |
| 161 static void may_core_dump __ARGS((void)); | |
| 162 | |
| 3048 | 163 #ifdef HAVE_UNION_WAIT |
| 164 typedef union wait waitstatus; | |
| 165 #else | |
| 166 typedef int waitstatus; | |
| 167 #endif | |
| 3062 | 168 static pid_t wait4pid __ARGS((pid_t, waitstatus *)); |
| 3048 | 169 |
| 7 | 170 static int WaitForChar __ARGS((long)); |
| 171 #if defined(__BEOS__) | |
| 172 int RealWaitForChar __ARGS((int, long, int *)); | |
| 173 #else | |
| 174 static int RealWaitForChar __ARGS((int, long, int *)); | |
| 175 #endif | |
| 176 | |
| 177 #ifdef FEAT_XCLIPBOARD | |
| 178 static int do_xterm_trace __ARGS((void)); | |
| 331 | 179 # define XT_TRACE_DELAY 50 /* delay for xterm tracing */ |
| 7 | 180 #endif |
| 181 | |
| 182 static void handle_resize __ARGS((void)); | |
| 183 | |
| 184 #if defined(SIGWINCH) | |
| 185 static RETSIGTYPE sig_winch __ARGS(SIGPROTOARG); | |
| 186 #endif | |
| 187 #if defined(SIGINT) | |
| 188 static RETSIGTYPE catch_sigint __ARGS(SIGPROTOARG); | |
| 189 #endif | |
| 190 #if defined(SIGPWR) | |
| 191 static RETSIGTYPE catch_sigpwr __ARGS(SIGPROTOARG); | |
| 192 #endif | |
| 193 #if defined(SIGALRM) && defined(FEAT_X11) \ | |
| 194 && defined(FEAT_TITLE) && !defined(FEAT_GUI_GTK) | |
| 195 # define SET_SIG_ALARM | |
| 196 static RETSIGTYPE sig_alarm __ARGS(SIGPROTOARG); | |
| 1832 | 197 /* volatile because it is used in signal handler sig_alarm(). */ |
| 198 static volatile int sig_alarm_called; | |
| 7 | 199 #endif |
| 200 static RETSIGTYPE deathtrap __ARGS(SIGPROTOARG); | |
| 201 | |
| 167 | 202 static void catch_int_signal __ARGS((void)); |
| 7 | 203 static void set_signals __ARGS((void)); |
| 204 static void catch_signals __ARGS((RETSIGTYPE (*func_deadly)(), RETSIGTYPE (*func_other)())); | |
| 205 #ifndef __EMX__ | |
| 206 static int have_wildcard __ARGS((int, char_u **)); | |
| 207 static int have_dollars __ARGS((int, char_u **)); | |
| 208 #endif | |
| 209 | |
| 210 #ifndef __EMX__ | |
| 211 static int save_patterns __ARGS((int num_pat, char_u **pat, int *num_file, char_u ***file)); | |
| 212 #endif | |
| 213 | |
| 214 #ifndef SIG_ERR | |
| 1879 | 215 # define SIG_ERR ((RETSIGTYPE (*)())-1) |
| 7 | 216 #endif |
| 217 | |
| 1832 | 218 /* volatile because it is used in signal handler sig_winch(). */ |
| 219 static volatile int do_resize = FALSE; | |
| 7 | 220 #ifndef __EMX__ |
| 221 static char_u *extra_shell_arg = NULL; | |
| 222 static int show_shell_mess = TRUE; | |
| 223 #endif | |
| 1832 | 224 /* volatile because it is used in signal handler deathtrap(). */ |
| 225 static volatile int deadly_signal = 0; /* The signal we caught */ | |
| 226 /* volatile because it is used in signal handler deathtrap(). */ | |
| 227 static volatile int in_mch_delay = FALSE; /* sleeping in mch_delay() */ | |
| 7 | 228 |
| 229 static int curr_tmode = TMODE_COOK; /* contains current terminal mode */ | |
| 230 | |
| 231 #ifdef USE_XSMP | |
| 232 typedef struct | |
| 233 { | |
| 234 SmcConn smcconn; /* The SM connection ID */ | |
| 235 IceConn iceconn; /* The ICE connection ID */ | |
|
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Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
236 char *clientid; /* The client ID for the current smc session */ |
| 7 | 237 Bool save_yourself; /* If we're in the middle of a save_yourself */ |
| 238 Bool shutdown; /* If we're in shutdown mode */ | |
| 239 } xsmp_config_T; | |
| 240 | |
| 241 static xsmp_config_T xsmp; | |
| 242 #endif | |
| 243 | |
| 244 #ifdef SYS_SIGLIST_DECLARED | |
| 245 /* | |
| 246 * I have seen | |
| 247 * extern char *_sys_siglist[NSIG]; | |
| 248 * on Irix, Linux, NetBSD and Solaris. It contains a nice list of strings | |
| 249 * that describe the signals. That is nearly what we want here. But | |
| 250 * autoconf does only check for sys_siglist (without the underscore), I | |
| 251 * do not want to change everything today.... jw. | |
| 252 * This is why AC_DECL_SYS_SIGLIST is commented out in configure.in | |
| 253 */ | |
| 254 #endif | |
| 255 | |
| 256 static struct signalinfo | |
| 257 { | |
| 258 int sig; /* Signal number, eg. SIGSEGV etc */ | |
| 259 char *name; /* Signal name (not char_u!). */ | |
| 260 char deadly; /* Catch as a deadly signal? */ | |
| 261 } signal_info[] = | |
| 262 { | |
| 263 #ifdef SIGHUP | |
| 264 {SIGHUP, "HUP", TRUE}, | |
| 265 #endif | |
| 266 #ifdef SIGQUIT | |
| 267 {SIGQUIT, "QUIT", TRUE}, | |
| 268 #endif | |
| 269 #ifdef SIGILL | |
| 270 {SIGILL, "ILL", TRUE}, | |
| 271 #endif | |
| 272 #ifdef SIGTRAP | |
| 273 {SIGTRAP, "TRAP", TRUE}, | |
| 274 #endif | |
| 275 #ifdef SIGABRT | |
| 276 {SIGABRT, "ABRT", TRUE}, | |
| 277 #endif | |
| 278 #ifdef SIGEMT | |
| 279 {SIGEMT, "EMT", TRUE}, | |
| 280 #endif | |
| 281 #ifdef SIGFPE | |
| 282 {SIGFPE, "FPE", TRUE}, | |
| 283 #endif | |
| 284 #ifdef SIGBUS | |
| 285 {SIGBUS, "BUS", TRUE}, | |
| 286 #endif | |
| 4074 | 287 #if defined(SIGSEGV) && !defined(FEAT_MZSCHEME) |
| 288 /* MzScheme uses SEGV in its garbage collector */ | |
| 7 | 289 {SIGSEGV, "SEGV", TRUE}, |
| 290 #endif | |
| 291 #ifdef SIGSYS | |
| 292 {SIGSYS, "SYS", TRUE}, | |
| 293 #endif | |
| 294 #ifdef SIGALRM | |
| 295 {SIGALRM, "ALRM", FALSE}, /* Perl's alarm() can trigger it */ | |
| 296 #endif | |
| 297 #ifdef SIGTERM | |
| 298 {SIGTERM, "TERM", TRUE}, | |
| 299 #endif | |
| 2701 | 300 #if defined(SIGVTALRM) && !defined(FEAT_RUBY) |
| 7 | 301 {SIGVTALRM, "VTALRM", TRUE}, |
| 302 #endif | |
| 1560 | 303 #if defined(SIGPROF) && !defined(FEAT_MZSCHEME) && !defined(WE_ARE_PROFILING) |
| 304 /* MzScheme uses SIGPROF for its own needs; On Linux with profiling | |
| 305 * this makes Vim exit. WE_ARE_PROFILING is defined in Makefile. */ | |
| 7 | 306 {SIGPROF, "PROF", TRUE}, |
| 307 #endif | |
| 308 #ifdef SIGXCPU | |
| 309 {SIGXCPU, "XCPU", TRUE}, | |
| 310 #endif | |
| 311 #ifdef SIGXFSZ | |
| 312 {SIGXFSZ, "XFSZ", TRUE}, | |
| 313 #endif | |
| 314 #ifdef SIGUSR1 | |
| 315 {SIGUSR1, "USR1", TRUE}, | |
| 316 #endif | |
| 1620 | 317 #if defined(SIGUSR2) && !defined(FEAT_SYSMOUSE) |
| 318 /* Used for sysmouse handling */ | |
| 7 | 319 {SIGUSR2, "USR2", TRUE}, |
| 320 #endif | |
| 321 #ifdef SIGINT | |
| 322 {SIGINT, "INT", FALSE}, | |
| 323 #endif | |
| 324 #ifdef SIGWINCH | |
| 325 {SIGWINCH, "WINCH", FALSE}, | |
| 326 #endif | |
| 327 #ifdef SIGTSTP | |
| 328 {SIGTSTP, "TSTP", FALSE}, | |
| 329 #endif | |
| 330 #ifdef SIGPIPE | |
| 331 {SIGPIPE, "PIPE", FALSE}, | |
| 332 #endif | |
| 333 {-1, "Unknown!", FALSE} | |
| 334 }; | |
| 335 | |
| 1935 | 336 int |
| 337 mch_chdir(path) | |
| 338 char *path; | |
| 339 { | |
| 340 if (p_verbose >= 5) | |
| 341 { | |
| 342 verbose_enter(); | |
| 343 smsg((char_u *)"chdir(%s)", path); | |
| 344 verbose_leave(); | |
| 345 } | |
| 346 # ifdef VMS | |
| 347 return chdir(vms_fixfilename(path)); | |
| 348 # else | |
| 349 return chdir(path); | |
| 350 # endif | |
| 351 } | |
| 352 | |
| 1757 | 353 /* |
| 354 * Write s[len] to the screen. | |
| 355 */ | |
| 7 | 356 void |
| 357 mch_write(s, len) | |
| 358 char_u *s; | |
| 359 int len; | |
| 360 { | |
| 1757 | 361 ignored = (int)write(1, (char *)s, len); |
| 7 | 362 if (p_wd) /* Unix is too fast, slow down a bit more */ |
| 363 RealWaitForChar(read_cmd_fd, p_wd, NULL); | |
| 364 } | |
| 365 | |
| 366 /* | |
| 1450 | 367 * mch_inchar(): low level input function. |
| 7 | 368 * Get a characters from the keyboard. |
| 369 * Return the number of characters that are available. | |
| 370 * If wtime == 0 do not wait for characters. | |
| 371 * If wtime == n wait a short time for characters. | |
| 372 * If wtime == -1 wait forever for characters. | |
| 373 */ | |
| 374 int | |
| 375 mch_inchar(buf, maxlen, wtime, tb_change_cnt) | |
| 376 char_u *buf; | |
| 377 int maxlen; | |
| 378 long wtime; /* don't use "time", MIPS cannot handle it */ | |
| 379 int tb_change_cnt; | |
| 380 { | |
| 381 int len; | |
| 382 | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
383 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
384 /* Process the queued netbeans messages. */ |
| 2210 | 385 netbeans_parse_messages(); |
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2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
386 #endif |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
387 |
| 7 | 388 /* Check if window changed size while we were busy, perhaps the ":set |
| 389 * columns=99" command was used. */ | |
| 390 while (do_resize) | |
| 391 handle_resize(); | |
| 392 | |
| 393 if (wtime >= 0) | |
| 394 { | |
| 395 while (WaitForChar(wtime) == 0) /* no character available */ | |
| 396 { | |
| 397 if (!do_resize) /* return if not interrupted by resize */ | |
| 398 return 0; | |
| 399 handle_resize(); | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
400 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
401 /* Process the queued netbeans messages. */ |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2277
diff
changeset
|
402 netbeans_parse_messages(); |
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2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
403 #endif |
| 7 | 404 } |
| 405 } | |
| 406 else /* wtime == -1 */ | |
| 407 { | |
| 408 /* | |
| 409 * If there is no character available within 'updatetime' seconds | |
| 216 | 410 * flush all the swap files to disk. |
| 7 | 411 * Also done when interrupted by SIGWINCH. |
| 412 */ | |
| 413 if (WaitForChar(p_ut) == 0) | |
| 414 { | |
| 415 #ifdef FEAT_AUTOCMD | |
| 609 | 416 if (trigger_cursorhold() && maxlen >= 3 |
| 417 && !typebuf_changed(tb_change_cnt)) | |
| 7 | 418 { |
| 216 | 419 buf[0] = K_SPECIAL; |
| 420 buf[1] = KS_EXTRA; | |
| 421 buf[2] = (int)KE_CURSORHOLD; | |
| 422 return 3; | |
| 7 | 423 } |
| 216 | 424 #endif |
| 369 | 425 before_blocking(); |
| 7 | 426 } |
| 427 } | |
| 428 | |
| 429 for (;;) /* repeat until we got a character */ | |
| 430 { | |
| 431 while (do_resize) /* window changed size */ | |
| 432 handle_resize(); | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
433 |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
434 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
435 /* Process the queued netbeans messages. */ |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2277
diff
changeset
|
436 netbeans_parse_messages(); |
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2209
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Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
437 #endif |
| 2436 | 438 #ifndef VMS /* VMS: must try reading, WaitForChar() does nothing. */ |
| 7 | 439 /* |
| 2436 | 440 * We want to be interrupted by the winch signal |
| 441 * or by an event on the monitored file descriptors. | |
| 7 | 442 */ |
|
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Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
443 if (WaitForChar(-1L) == 0) |
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d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
444 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
445 if (do_resize) /* interrupted by SIGWINCH signal */ |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
446 handle_resize(); |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
447 return 0; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
448 } |
| 2436 | 449 #endif |
| 7 | 450 |
| 451 /* If input was put directly in typeahead buffer bail out here. */ | |
| 452 if (typebuf_changed(tb_change_cnt)) | |
| 453 return 0; | |
| 454 | |
| 455 /* | |
| 456 * For some terminals we only get one character at a time. | |
| 457 * We want the get all available characters, so we could keep on | |
| 458 * trying until none is available | |
| 459 * For some other terminals this is quite slow, that's why we don't do | |
| 460 * it. | |
| 461 */ | |
| 462 len = read_from_input_buf(buf, (long)maxlen); | |
| 463 if (len > 0) | |
| 464 { | |
| 465 #ifdef OS2 | |
| 466 int i; | |
| 467 | |
| 468 for (i = 0; i < len; i++) | |
| 469 if (buf[i] == 0) | |
| 470 buf[i] = K_NUL; | |
| 471 #endif | |
| 472 return len; | |
| 473 } | |
| 474 } | |
| 475 } | |
| 476 | |
| 477 static void | |
| 478 handle_resize() | |
| 479 { | |
| 480 do_resize = FALSE; | |
| 481 shell_resized(); | |
| 482 } | |
| 483 | |
| 484 /* | |
| 485 * return non-zero if a character is available | |
| 486 */ | |
| 487 int | |
| 488 mch_char_avail() | |
| 489 { | |
| 490 return WaitForChar(0L); | |
| 491 } | |
| 492 | |
| 493 #if defined(HAVE_TOTAL_MEM) || defined(PROTO) | |
| 494 # ifdef HAVE_SYS_RESOURCE_H | |
| 1879 | 495 # include <sys/resource.h> |
| 7 | 496 # endif |
| 497 # if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_SYSCTL) | |
| 498 # include <sys/sysctl.h> | |
| 499 # endif | |
| 500 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO) | |
| 501 # include <sys/sysinfo.h> | |
| 502 # endif | |
| 503 | |
| 504 /* | |
| 1110 | 505 * Return total amount of memory available in Kbyte. |
| 506 * Doesn't change when memory has been allocated. | |
| 7 | 507 */ |
| 508 long_u | |
| 509 mch_total_mem(special) | |
| 1877 | 510 int special UNUSED; |
| 7 | 511 { |
| 512 # ifdef __EMX__ | |
| 1110 | 513 return ulimit(3, 0L) >> 10; /* always 32MB? */ |
| 7 | 514 # else |
| 515 long_u mem = 0; | |
| 1110 | 516 long_u shiftright = 10; /* how much to shift "mem" right for Kbyte */ |
| 7 | 517 |
| 518 # ifdef HAVE_SYSCTL | |
| 519 int mib[2], physmem; | |
| 520 size_t len; | |
| 521 | |
| 522 /* BSD way of getting the amount of RAM available. */ | |
| 523 mib[0] = CTL_HW; | |
| 524 mib[1] = HW_USERMEM; | |
| 525 len = sizeof(physmem); | |
| 526 if (sysctl(mib, 2, &physmem, &len, NULL, 0) == 0) | |
| 527 mem = (long_u)physmem; | |
| 528 # endif | |
| 529 | |
| 530 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO) | |
| 531 if (mem == 0) | |
| 532 { | |
| 533 struct sysinfo sinfo; | |
| 534 | |
| 535 /* Linux way of getting amount of RAM available */ | |
| 536 if (sysinfo(&sinfo) == 0) | |
| 1110 | 537 { |
| 538 # ifdef HAVE_SYSINFO_MEM_UNIT | |
| 539 /* avoid overflow as much as possible */ | |
| 540 while (shiftright > 0 && (sinfo.mem_unit & 1) == 0) | |
| 541 { | |
| 542 sinfo.mem_unit = sinfo.mem_unit >> 1; | |
| 543 --shiftright; | |
| 544 } | |
| 545 mem = sinfo.totalram * sinfo.mem_unit; | |
| 546 # else | |
| 7 | 547 mem = sinfo.totalram; |
| 1110 | 548 # endif |
| 549 } | |
| 7 | 550 } |
| 551 # endif | |
| 552 | |
| 553 # ifdef HAVE_SYSCONF | |
| 554 if (mem == 0) | |
| 555 { | |
| 556 long pagesize, pagecount; | |
| 557 | |
| 558 /* Solaris way of getting amount of RAM available */ | |
| 559 pagesize = sysconf(_SC_PAGESIZE); | |
| 560 pagecount = sysconf(_SC_PHYS_PAGES); | |
| 561 if (pagesize > 0 && pagecount > 0) | |
| 1110 | 562 { |
| 563 /* avoid overflow as much as possible */ | |
| 564 while (shiftright > 0 && (pagesize & 1) == 0) | |
| 565 { | |
| 1204 | 566 pagesize = (long_u)pagesize >> 1; |
| 1110 | 567 --shiftright; |
| 568 } | |
| 7 | 569 mem = (long_u)pagesize * pagecount; |
| 1110 | 570 } |
| 7 | 571 } |
| 572 # endif | |
| 573 | |
| 574 /* Return the minimum of the physical memory and the user limit, because | |
| 575 * using more than the user limit may cause Vim to be terminated. */ | |
| 576 # if defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT) | |
| 577 { | |
| 578 struct rlimit rlp; | |
| 579 | |
| 580 if (getrlimit(RLIMIT_DATA, &rlp) == 0 | |
| 581 && rlp.rlim_cur < ((rlim_t)1 << (sizeof(long_u) * 8 - 1)) | |
| 582 # ifdef RLIM_INFINITY | |
| 583 && rlp.rlim_cur != RLIM_INFINITY | |
| 584 # endif | |
| 1110 | 585 && ((long_u)rlp.rlim_cur >> 10) < (mem >> shiftright) |
| 7 | 586 ) |
| 1110 | 587 { |
| 588 mem = (long_u)rlp.rlim_cur; | |
| 589 shiftright = 10; | |
| 590 } | |
| 7 | 591 } |
| 592 # endif | |
| 593 | |
| 594 if (mem > 0) | |
| 1110 | 595 return mem >> shiftright; |
| 596 return (long_u)0x1fffff; | |
| 7 | 597 # endif |
| 598 } | |
| 599 #endif | |
| 600 | |
| 601 void | |
| 602 mch_delay(msec, ignoreinput) | |
| 603 long msec; | |
| 604 int ignoreinput; | |
| 605 { | |
| 606 int old_tmode; | |
| 14 | 607 #ifdef FEAT_MZSCHEME |
| 608 long total = msec; /* remember original value */ | |
| 609 #endif | |
| 7 | 610 |
| 611 if (ignoreinput) | |
| 612 { | |
| 613 /* Go to cooked mode without echo, to allow SIGINT interrupting us | |
| 1530 | 614 * here. But we don't want QUIT to kill us (CTRL-\ used in a |
| 615 * shell may produce SIGQUIT). */ | |
| 616 in_mch_delay = TRUE; | |
| 7 | 617 old_tmode = curr_tmode; |
| 618 if (curr_tmode == TMODE_RAW) | |
| 619 settmode(TMODE_SLEEP); | |
| 620 | |
| 621 /* | |
| 622 * Everybody sleeps in a different way... | |
| 623 * Prefer nanosleep(), some versions of usleep() can only sleep up to | |
| 624 * one second. | |
| 625 */ | |
| 14 | 626 #ifdef FEAT_MZSCHEME |
| 627 do | |
| 628 { | |
| 629 /* if total is large enough, wait by portions in p_mzq */ | |
| 630 if (total > p_mzq) | |
| 631 msec = p_mzq; | |
| 632 else | |
| 633 msec = total; | |
| 634 total -= msec; | |
| 635 #endif | |
| 7 | 636 #ifdef HAVE_NANOSLEEP |
| 637 { | |
| 638 struct timespec ts; | |
| 639 | |
| 640 ts.tv_sec = msec / 1000; | |
| 641 ts.tv_nsec = (msec % 1000) * 1000000; | |
| 642 (void)nanosleep(&ts, NULL); | |
| 643 } | |
| 644 #else | |
| 645 # ifdef HAVE_USLEEP | |
| 646 while (msec >= 1000) | |
| 647 { | |
| 648 usleep((unsigned int)(999 * 1000)); | |
| 649 msec -= 999; | |
| 650 } | |
| 651 usleep((unsigned int)(msec * 1000)); | |
| 652 # else | |
| 653 # ifndef HAVE_SELECT | |
| 654 poll(NULL, 0, (int)msec); | |
| 655 # else | |
| 656 # ifdef __EMX__ | |
| 657 _sleep2(msec); | |
| 658 # else | |
| 659 { | |
| 660 struct timeval tv; | |
| 661 | |
| 662 tv.tv_sec = msec / 1000; | |
| 663 tv.tv_usec = (msec % 1000) * 1000; | |
| 664 /* | |
| 665 * NOTE: Solaris 2.6 has a bug that makes select() hang here. Get | |
| 666 * a patch from Sun to fix this. Reported by Gunnar Pedersen. | |
| 667 */ | |
| 668 select(0, NULL, NULL, NULL, &tv); | |
| 669 } | |
| 670 # endif /* __EMX__ */ | |
| 671 # endif /* HAVE_SELECT */ | |
| 672 # endif /* HAVE_NANOSLEEP */ | |
| 673 #endif /* HAVE_USLEEP */ | |
| 14 | 674 #ifdef FEAT_MZSCHEME |
| 675 } | |
| 676 while (total > 0); | |
| 677 #endif | |
| 7 | 678 |
| 679 settmode(old_tmode); | |
| 1530 | 680 in_mch_delay = FALSE; |
| 7 | 681 } |
| 682 else | |
| 683 WaitForChar(msec); | |
| 684 } | |
| 685 | |
| 180 | 686 #if defined(HAVE_STACK_LIMIT) \ |
| 7 | 687 || (!defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGSTACK)) |
| 688 # define HAVE_CHECK_STACK_GROWTH | |
| 689 /* | |
| 690 * Support for checking for an almost-out-of-stack-space situation. | |
| 691 */ | |
| 692 | |
| 693 /* | |
| 694 * Return a pointer to an item on the stack. Used to find out if the stack | |
| 695 * grows up or down. | |
| 696 */ | |
| 697 static void check_stack_growth __ARGS((char *p)); | |
| 698 static int stack_grows_downwards; | |
| 699 | |
| 700 /* | |
| 701 * Find out if the stack grows upwards or downwards. | |
| 702 * "p" points to a variable on the stack of the caller. | |
| 703 */ | |
| 704 static void | |
| 705 check_stack_growth(p) | |
| 706 char *p; | |
| 707 { | |
| 708 int i; | |
| 709 | |
| 710 stack_grows_downwards = (p > (char *)&i); | |
| 711 } | |
| 712 #endif | |
| 713 | |
| 180 | 714 #if defined(HAVE_STACK_LIMIT) || defined(PROTO) |
| 7 | 715 static char *stack_limit = NULL; |
| 716 | |
| 717 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H) | |
| 718 # include <pthread.h> | |
| 719 # include <pthread_np.h> | |
| 720 #endif | |
| 721 | |
| 722 /* | |
| 723 * Find out until how var the stack can grow without getting into trouble. | |
| 724 * Called when starting up and when switching to the signal stack in | |
| 725 * deathtrap(). | |
| 726 */ | |
| 727 static void | |
| 728 get_stack_limit() | |
| 729 { | |
| 730 struct rlimit rlp; | |
| 731 int i; | |
| 732 long lim; | |
| 733 | |
| 734 /* Set the stack limit to 15/16 of the allowable size. Skip this when the | |
| 735 * limit doesn't fit in a long (rlim_cur might be "long long"). */ | |
| 736 if (getrlimit(RLIMIT_STACK, &rlp) == 0 | |
| 737 && rlp.rlim_cur < ((rlim_t)1 << (sizeof(long_u) * 8 - 1)) | |
| 738 # ifdef RLIM_INFINITY | |
| 739 && rlp.rlim_cur != RLIM_INFINITY | |
| 740 # endif | |
| 741 ) | |
| 742 { | |
| 743 lim = (long)rlp.rlim_cur; | |
| 744 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H) | |
| 745 { | |
| 746 pthread_attr_t attr; | |
| 747 size_t size; | |
| 748 | |
| 749 /* On FreeBSD the initial thread always has a fixed stack size, no | |
| 750 * matter what the limits are set to. Normally it's 1 Mbyte. */ | |
| 751 pthread_attr_init(&attr); | |
| 752 if (pthread_attr_get_np(pthread_self(), &attr) == 0) | |
| 753 { | |
| 754 pthread_attr_getstacksize(&attr, &size); | |
| 755 if (lim > (long)size) | |
| 756 lim = (long)size; | |
| 757 } | |
| 758 pthread_attr_destroy(&attr); | |
| 759 } | |
| 760 #endif | |
| 761 if (stack_grows_downwards) | |
| 762 { | |
| 763 stack_limit = (char *)((long)&i - (lim / 16L * 15L)); | |
| 764 if (stack_limit >= (char *)&i) | |
| 765 /* overflow, set to 1/16 of current stack position */ | |
| 766 stack_limit = (char *)((long)&i / 16L); | |
| 767 } | |
| 768 else | |
| 769 { | |
| 770 stack_limit = (char *)((long)&i + (lim / 16L * 15L)); | |
| 771 if (stack_limit <= (char *)&i) | |
| 772 stack_limit = NULL; /* overflow */ | |
| 773 } | |
| 774 } | |
| 775 } | |
| 776 | |
| 777 /* | |
| 778 * Return FAIL when running out of stack space. | |
| 779 * "p" must point to any variable local to the caller that's on the stack. | |
| 780 */ | |
| 781 int | |
| 782 mch_stackcheck(p) | |
| 783 char *p; | |
| 784 { | |
| 785 if (stack_limit != NULL) | |
| 786 { | |
| 787 if (stack_grows_downwards) | |
| 788 { | |
| 789 if (p < stack_limit) | |
| 790 return FAIL; | |
| 791 } | |
| 792 else if (p > stack_limit) | |
| 793 return FAIL; | |
| 794 } | |
| 795 return OK; | |
| 796 } | |
| 797 #endif | |
| 798 | |
| 799 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 800 /* | |
| 801 * Support for using the signal stack. | |
| 802 * This helps when we run out of stack space, which causes a SIGSEGV. The | |
| 803 * signal handler then must run on another stack, since the normal stack is | |
| 804 * completely full. | |
| 805 */ | |
| 806 | |
| 807 #ifndef SIGSTKSZ | |
| 808 # define SIGSTKSZ 8000 /* just a guess of how much stack is needed... */ | |
| 809 #endif | |
| 810 | |
| 811 # ifdef HAVE_SIGALTSTACK | |
| 812 static stack_t sigstk; /* for sigaltstack() */ | |
| 813 # else | |
| 814 static struct sigstack sigstk; /* for sigstack() */ | |
| 815 # endif | |
| 816 | |
| 817 static void init_signal_stack __ARGS((void)); | |
| 818 static char *signal_stack; | |
| 819 | |
| 820 static void | |
| 821 init_signal_stack() | |
| 822 { | |
| 823 if (signal_stack != NULL) | |
| 824 { | |
| 825 # ifdef HAVE_SIGALTSTACK | |
| 1375 | 826 # if defined(__APPLE__) && (!defined(MAC_OS_X_VERSION_MAX_ALLOWED) \ |
| 827 || MAC_OS_X_VERSION_MAX_ALLOWED <= 1040) | |
| 7 | 828 /* missing prototype. Adding it to osdef?.h.in doesn't work, because |
| 829 * "struct sigaltstack" needs to be declared. */ | |
| 830 extern int sigaltstack __ARGS((const struct sigaltstack *ss, struct sigaltstack *oss)); | |
| 831 # endif | |
| 832 | |
| 833 # ifdef HAVE_SS_BASE | |
| 834 sigstk.ss_base = signal_stack; | |
| 835 # else | |
| 836 sigstk.ss_sp = signal_stack; | |
| 837 # endif | |
| 838 sigstk.ss_size = SIGSTKSZ; | |
| 839 sigstk.ss_flags = 0; | |
| 840 (void)sigaltstack(&sigstk, NULL); | |
| 841 # else | |
| 842 sigstk.ss_sp = signal_stack; | |
| 843 if (stack_grows_downwards) | |
| 844 sigstk.ss_sp += SIGSTKSZ - 1; | |
| 845 sigstk.ss_onstack = 0; | |
| 846 (void)sigstack(&sigstk, NULL); | |
| 847 # endif | |
| 848 } | |
| 849 } | |
| 850 #endif | |
| 851 | |
| 852 /* | |
| 1832 | 853 * We need correct prototypes for a signal function, otherwise mean compilers |
| 7 | 854 * will barf when the second argument to signal() is ``wrong''. |
| 855 * Let me try it with a few tricky defines from my own osdef.h (jw). | |
| 856 */ | |
| 857 #if defined(SIGWINCH) | |
| 858 static RETSIGTYPE | |
| 859 sig_winch SIGDEFARG(sigarg) | |
| 860 { | |
| 861 /* this is not required on all systems, but it doesn't hurt anybody */ | |
| 862 signal(SIGWINCH, (RETSIGTYPE (*)())sig_winch); | |
| 863 do_resize = TRUE; | |
| 864 SIGRETURN; | |
| 865 } | |
| 866 #endif | |
| 867 | |
| 868 #if defined(SIGINT) | |
| 869 static RETSIGTYPE | |
| 870 catch_sigint SIGDEFARG(sigarg) | |
| 871 { | |
| 872 /* this is not required on all systems, but it doesn't hurt anybody */ | |
| 873 signal(SIGINT, (RETSIGTYPE (*)())catch_sigint); | |
| 874 got_int = TRUE; | |
| 875 SIGRETURN; | |
| 876 } | |
| 877 #endif | |
| 878 | |
| 879 #if defined(SIGPWR) | |
| 880 static RETSIGTYPE | |
| 881 catch_sigpwr SIGDEFARG(sigarg) | |
| 882 { | |
| 37 | 883 /* this is not required on all systems, but it doesn't hurt anybody */ |
| 884 signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr); | |
| 7 | 885 /* |
| 886 * I'm not sure we get the SIGPWR signal when the system is really going | |
| 887 * down or when the batteries are almost empty. Just preserve the swap | |
| 888 * files and don't exit, that can't do any harm. | |
| 889 */ | |
| 890 ml_sync_all(FALSE, FALSE); | |
| 891 SIGRETURN; | |
| 892 } | |
| 893 #endif | |
| 894 | |
| 895 #ifdef SET_SIG_ALARM | |
| 896 /* | |
| 897 * signal function for alarm(). | |
| 898 */ | |
| 899 static RETSIGTYPE | |
| 900 sig_alarm SIGDEFARG(sigarg) | |
| 901 { | |
| 902 /* doesn't do anything, just to break a system call */ | |
| 903 sig_alarm_called = TRUE; | |
| 904 SIGRETURN; | |
| 905 } | |
| 906 #endif | |
| 907 | |
| 188 | 908 #if (defined(HAVE_SETJMP_H) \ |
| 909 && ((defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) \ | |
| 910 || defined(FEAT_LIBCALL))) \ | |
| 911 || defined(PROTO) | |
| 7 | 912 /* |
| 913 * A simplistic version of setjmp() that only allows one level of using. | |
| 914 * Don't call twice before calling mch_endjmp()!. | |
| 915 * Usage: | |
| 916 * mch_startjmp(); | |
| 917 * if (SETJMP(lc_jump_env) != 0) | |
| 918 * { | |
| 919 * mch_didjmp(); | |
| 920 * EMSG("crash!"); | |
| 921 * } | |
| 922 * else | |
| 923 * { | |
| 924 * do_the_work; | |
| 925 * mch_endjmp(); | |
| 926 * } | |
| 927 * Note: Can't move SETJMP() here, because a function calling setjmp() must | |
| 928 * not return before the saved environment is used. | |
| 929 * Returns OK for normal return, FAIL when the protected code caused a | |
| 930 * problem and LONGJMP() was used. | |
| 931 */ | |
| 932 void | |
| 933 mch_startjmp() | |
| 934 { | |
| 935 #ifdef SIGHASARG | |
| 936 lc_signal = 0; | |
| 937 #endif | |
| 938 lc_active = TRUE; | |
| 939 } | |
| 940 | |
| 941 void | |
| 942 mch_endjmp() | |
| 943 { | |
| 944 lc_active = FALSE; | |
| 945 } | |
| 946 | |
| 947 void | |
| 948 mch_didjmp() | |
| 949 { | |
| 950 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 951 /* On FreeBSD the signal stack has to be reset after using siglongjmp(), | |
| 952 * otherwise catching the signal only works once. */ | |
| 953 init_signal_stack(); | |
| 954 # endif | |
| 955 } | |
| 956 #endif | |
| 957 | |
| 958 /* | |
| 959 * This function handles deadly signals. | |
| 960 * It tries to preserve any swap file and exit properly. | |
| 961 * (partly from Elvis). | |
| 962 */ | |
| 963 static RETSIGTYPE | |
| 964 deathtrap SIGDEFARG(sigarg) | |
| 965 { | |
| 966 static int entered = 0; /* count the number of times we got here. | |
| 967 Note: when memory has been corrupted | |
| 968 this may get an arbitrary value! */ | |
| 969 #ifdef SIGHASARG | |
| 970 int i; | |
| 971 #endif | |
| 972 | |
| 973 #if defined(HAVE_SETJMP_H) | |
| 974 /* | |
| 975 * Catch a crash in protected code. | |
| 976 * Restores the environment saved in lc_jump_env, which looks like | |
| 977 * SETJMP() returns 1. | |
| 978 */ | |
| 979 if (lc_active) | |
| 980 { | |
| 981 # if defined(SIGHASARG) | |
| 982 lc_signal = sigarg; | |
| 983 # endif | |
| 984 lc_active = FALSE; /* don't jump again */ | |
| 985 LONGJMP(lc_jump_env, 1); | |
| 986 /* NOTREACHED */ | |
| 987 } | |
| 988 #endif | |
| 989 | |
| 36 | 990 #ifdef SIGHASARG |
| 1530 | 991 # ifdef SIGQUIT |
| 992 /* While in mch_delay() we go to cooked mode to allow a CTRL-C to | |
| 993 * interrupt us. But in cooked mode we may also get SIGQUIT, e.g., when | |
| 994 * pressing CTRL-\, but we don't want Vim to exit then. */ | |
| 995 if (in_mch_delay && sigarg == SIGQUIT) | |
| 996 SIGRETURN; | |
| 997 # endif | |
| 998 | |
| 37 | 999 /* When SIGHUP, SIGQUIT, etc. are blocked: postpone the effect and return |
| 1000 * here. This avoids that a non-reentrant function is interrupted, e.g., | |
| 1001 * free(). Calling free() again may then cause a crash. */ | |
| 1002 if (entered == 0 | |
| 1003 && (0 | |
| 1004 # ifdef SIGHUP | |
| 1005 || sigarg == SIGHUP | |
| 1006 # endif | |
| 1007 # ifdef SIGQUIT | |
| 1008 || sigarg == SIGQUIT | |
| 1009 # endif | |
| 1010 # ifdef SIGTERM | |
| 1011 || sigarg == SIGTERM | |
| 1012 # endif | |
| 1013 # ifdef SIGPWR | |
| 1014 || sigarg == SIGPWR | |
| 1015 # endif | |
| 1016 # ifdef SIGUSR1 | |
| 1017 || sigarg == SIGUSR1 | |
| 1018 # endif | |
| 1019 # ifdef SIGUSR2 | |
| 1020 || sigarg == SIGUSR2 | |
| 1021 # endif | |
| 1022 ) | |
| 413 | 1023 && !vim_handle_signal(sigarg)) |
| 36 | 1024 SIGRETURN; |
| 1025 #endif | |
| 1026 | |
| 7 | 1027 /* Remember how often we have been called. */ |
| 1028 ++entered; | |
| 1029 | |
| 1030 #ifdef FEAT_EVAL | |
| 1031 /* Set the v:dying variable. */ | |
| 1032 set_vim_var_nr(VV_DYING, (long)entered); | |
| 1033 #endif | |
| 1034 | |
| 180 | 1035 #ifdef HAVE_STACK_LIMIT |
| 7 | 1036 /* Since we are now using the signal stack, need to reset the stack |
| 1037 * limit. Otherwise using a regexp will fail. */ | |
| 1038 get_stack_limit(); | |
| 1039 #endif | |
| 1040 | |
| 758 | 1041 #if 0 |
| 1042 /* This is for opening gdb the moment Vim crashes. | |
| 1043 * You need to manually adjust the file name and Vim executable name. | |
| 1044 * Suggested by SungHyun Nam. */ | |
| 1045 { | |
| 1046 # define VI_GDB_FILE "/tmp/vimgdb" | |
| 1047 # define VIM_NAME "/usr/bin/vim" | |
| 1048 FILE *fp = fopen(VI_GDB_FILE, "w"); | |
| 1049 if (fp) | |
| 1050 { | |
| 1051 fprintf(fp, | |
| 1052 "file %s\n" | |
| 1053 "attach %d\n" | |
| 1054 "set height 1000\n" | |
| 1055 "bt full\n" | |
| 1056 , VIM_NAME, getpid()); | |
| 1057 fclose(fp); | |
| 1058 system("xterm -e gdb -x "VI_GDB_FILE); | |
| 1059 unlink(VI_GDB_FILE); | |
| 1060 } | |
| 1061 } | |
| 1062 #endif | |
| 1063 | |
| 7 | 1064 #ifdef SIGHASARG |
| 1065 /* try to find the name of this signal */ | |
| 1066 for (i = 0; signal_info[i].sig != -1; i++) | |
| 1067 if (sigarg == signal_info[i].sig) | |
| 1068 break; | |
| 1069 deadly_signal = sigarg; | |
| 1070 #endif | |
| 1071 | |
| 1072 full_screen = FALSE; /* don't write message to the GUI, it might be | |
| 1073 * part of the problem... */ | |
| 1074 /* | |
| 1075 * If something goes wrong after entering here, we may get here again. | |
| 1076 * When this happens, give a message and try to exit nicely (resetting the | |
| 1077 * terminal mode, etc.) | |
| 1078 * When this happens twice, just exit, don't even try to give a message, | |
| 1079 * stack may be corrupt or something weird. | |
| 1080 * When this still happens again (or memory was corrupted in such a way | |
| 1081 * that "entered" was clobbered) use _exit(), don't try freeing resources. | |
| 1082 */ | |
| 1083 if (entered >= 3) | |
| 1084 { | |
| 1085 reset_signals(); /* don't catch any signals anymore */ | |
| 1086 may_core_dump(); | |
| 1087 if (entered >= 4) | |
| 1088 _exit(8); | |
| 1089 exit(7); | |
| 1090 } | |
| 1091 if (entered == 2) | |
| 1092 { | |
| 1093 OUT_STR(_("Vim: Double signal, exiting\n")); | |
| 1094 out_flush(); | |
| 1095 getout(1); | |
| 1096 } | |
| 1097 | |
| 1098 #ifdef SIGHASARG | |
| 1099 sprintf((char *)IObuff, _("Vim: Caught deadly signal %s\n"), | |
| 1100 signal_info[i].name); | |
| 1101 #else | |
| 1102 sprintf((char *)IObuff, _("Vim: Caught deadly signal\n")); | |
| 1103 #endif | |
| 1104 preserve_exit(); /* preserve files and exit */ | |
| 1105 | |
| 33 | 1106 #ifdef NBDEBUG |
| 1107 reset_signals(); | |
| 1108 may_core_dump(); | |
| 1109 abort(); | |
| 1110 #endif | |
| 1111 | |
| 7 | 1112 SIGRETURN; |
| 1113 } | |
| 1114 | |
| 1832 | 1115 #if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1116 /* |
| 1117 * On Solaris with multi-threading, suspending might not work immediately. | |
| 1118 * Catch the SIGCONT signal, which will be used as an indication whether the | |
| 1119 * suspending has been done or not. | |
| 1832 | 1120 * |
| 1121 * On Linux, signal is not always handled immediately either. | |
| 1122 * See https://bugs.launchpad.net/bugs/291373 | |
| 1123 * | |
| 2701 | 1124 * volatile because it is used in signal handler sigcont_handler(). |
| 7 | 1125 */ |
| 1832 | 1126 static volatile int sigcont_received; |
| 7 | 1127 static RETSIGTYPE sigcont_handler __ARGS(SIGPROTOARG); |
| 1128 | |
| 1129 /* | |
| 1130 * signal handler for SIGCONT | |
| 1131 */ | |
| 1132 static RETSIGTYPE | |
| 1133 sigcont_handler SIGDEFARG(sigarg) | |
| 1134 { | |
| 1135 sigcont_received = TRUE; | |
| 1136 SIGRETURN; | |
| 1137 } | |
| 1138 #endif | |
| 1139 | |
| 2586 | 1140 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 1141 static void loose_clipboard __ARGS((void)); | |
| 4230 | 1142 # ifdef USE_SYSTEM |
| 4209 | 1143 static void save_clipboard __ARGS((void)); |
| 1144 static void restore_clipboard __ARGS((void)); | |
| 1145 | |
| 1146 static void *clip_star_save = NULL; | |
| 1147 static void *clip_plus_save = NULL; | |
| 4230 | 1148 # endif |
| 2586 | 1149 |
| 1150 /* | |
| 1151 * Called when Vim is going to sleep or execute a shell command. | |
| 1152 * We can't respond to requests for the X selections. Lose them, otherwise | |
| 1153 * other applications will hang. But first copy the text to cut buffer 0. | |
| 1154 */ | |
| 1155 static void | |
| 1156 loose_clipboard() | |
| 1157 { | |
| 1158 if (clip_star.owned || clip_plus.owned) | |
| 1159 { | |
| 1160 x11_export_final_selection(); | |
| 1161 if (clip_star.owned) | |
| 1162 clip_lose_selection(&clip_star); | |
| 1163 if (clip_plus.owned) | |
| 1164 clip_lose_selection(&clip_plus); | |
| 1165 if (x11_display != NULL) | |
| 1166 XFlush(x11_display); | |
| 1167 } | |
| 1168 } | |
| 4209 | 1169 |
| 4230 | 1170 # ifdef USE_SYSTEM |
| 4209 | 1171 /* |
| 1172 * Save clipboard text to restore later. | |
| 1173 */ | |
| 1174 static void | |
| 1175 save_clipboard() | |
| 1176 { | |
| 1177 if (clip_star.owned) | |
| 1178 clip_star_save = get_register('*', TRUE); | |
| 1179 if (clip_plus.owned) | |
| 1180 clip_plus_save = get_register('+', TRUE); | |
| 1181 } | |
| 1182 | |
| 1183 /* | |
| 1184 * Restore clipboard text if no one own the X selection. | |
| 1185 */ | |
| 1186 static void | |
| 1187 restore_clipboard() | |
| 1188 { | |
| 1189 if (clip_star_save != NULL) | |
| 1190 { | |
| 1191 if (!clip_gen_owner_exists(&clip_star)) | |
| 1192 put_register('*', clip_star_save); | |
| 1193 else | |
| 1194 free_register(clip_star_save); | |
| 1195 clip_star_save = NULL; | |
| 1196 } | |
| 1197 if (clip_plus_save != NULL) | |
| 1198 { | |
| 1199 if (!clip_gen_owner_exists(&clip_plus)) | |
| 1200 put_register('+', clip_plus_save); | |
| 1201 else | |
| 1202 free_register(clip_plus_save); | |
| 1203 clip_plus_save = NULL; | |
| 1204 } | |
| 1205 } | |
| 4230 | 1206 # endif |
| 2586 | 1207 #endif |
| 1208 | |
| 7 | 1209 /* |
| 1210 * If the machine has job control, use it to suspend the program, | |
| 1211 * otherwise fake it by starting a new shell. | |
| 1212 */ | |
| 1213 void | |
| 1214 mch_suspend() | |
| 1215 { | |
| 1216 /* BeOS does have SIGTSTP, but it doesn't work. */ | |
| 1217 #if defined(SIGTSTP) && !defined(__BEOS__) | |
| 1218 out_flush(); /* needed to make cursor visible on some systems */ | |
| 1219 settmode(TMODE_COOK); | |
| 1220 out_flush(); /* needed to disable mouse on some systems */ | |
| 1221 | |
| 1222 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) | |
| 2586 | 1223 loose_clipboard(); |
| 7 | 1224 # endif |
| 1225 | |
| 1832 | 1226 # if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1227 sigcont_received = FALSE; |
| 1228 # endif | |
| 1229 kill(0, SIGTSTP); /* send ourselves a STOP signal */ | |
| 1832 | 1230 # if defined(_REENTRANT) && defined(SIGCONT) |
| 1231 /* | |
| 1232 * Wait for the SIGCONT signal to be handled. It generally happens | |
| 1233 * immediately, but somehow not all the time. Do not call pause() | |
| 1234 * because there would be race condition which would hang Vim if | |
| 1235 * signal happened in between the test of sigcont_received and the | |
| 1236 * call to pause(). If signal is not yet received, call sleep(0) | |
| 1237 * to just yield CPU. Signal should then be received. If somehow | |
| 1238 * it's still not received, sleep 1, 2, 3 ms. Don't bother waiting | |
| 1239 * further if signal is not received after 1+2+3+4 ms (not expected | |
| 1240 * to happen). | |
| 1241 */ | |
| 1242 { | |
| 1932 | 1243 long wait_time; |
| 1244 for (wait_time = 0; !sigcont_received && wait_time <= 3L; wait_time++) | |
| 1832 | 1245 /* Loop is not entered most of the time */ |
| 1932 | 1246 mch_delay(wait_time, FALSE); |
| 1832 | 1247 } |
| 7 | 1248 # endif |
| 1249 | |
| 1250 # ifdef FEAT_TITLE | |
| 1251 /* | |
| 1252 * Set oldtitle to NULL, so the current title is obtained again. | |
| 1253 */ | |
| 1254 vim_free(oldtitle); | |
| 1255 oldtitle = NULL; | |
| 1256 # endif | |
| 1257 settmode(TMODE_RAW); | |
| 1258 need_check_timestamps = TRUE; | |
| 1259 did_check_timestamps = FALSE; | |
| 1260 #else | |
| 1261 suspend_shell(); | |
| 1262 #endif | |
| 1263 } | |
| 1264 | |
| 1265 void | |
| 1266 mch_init() | |
| 1267 { | |
| 1268 Columns = 80; | |
| 1269 Rows = 24; | |
| 1270 | |
| 1271 out_flush(); | |
| 1272 set_signals(); | |
| 167 | 1273 |
| 765 | 1274 #ifdef MACOS_CONVERT |
| 167 | 1275 mac_conv_init(); |
| 1276 #endif | |
| 4168 | 1277 #ifdef FEAT_CYGWIN_WIN32_CLIPBOARD |
| 1278 win_clip_init(); | |
| 1279 #endif | |
| 7 | 1280 } |
| 1281 | |
| 1282 static void | |
| 1283 set_signals() | |
| 1284 { | |
| 1285 #if defined(SIGWINCH) | |
| 1286 /* | |
| 1287 * WINDOW CHANGE signal is handled with sig_winch(). | |
| 1288 */ | |
| 1289 signal(SIGWINCH, (RETSIGTYPE (*)())sig_winch); | |
| 1290 #endif | |
| 1291 | |
| 1292 /* | |
| 1293 * We want the STOP signal to work, to make mch_suspend() work. | |
| 1294 * For "rvim" the STOP signal is ignored. | |
| 1295 */ | |
| 1296 #ifdef SIGTSTP | |
| 1297 signal(SIGTSTP, restricted ? SIG_IGN : SIG_DFL); | |
| 1298 #endif | |
| 1832 | 1299 #if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1300 signal(SIGCONT, sigcont_handler); |
| 1301 #endif | |
| 1302 | |
| 1303 /* | |
| 1304 * We want to ignore breaking of PIPEs. | |
| 1305 */ | |
| 1306 #ifdef SIGPIPE | |
| 1307 signal(SIGPIPE, SIG_IGN); | |
| 1308 #endif | |
| 1309 | |
| 1310 #ifdef SIGINT | |
| 167 | 1311 catch_int_signal(); |
| 7 | 1312 #endif |
| 1313 | |
| 1314 /* | |
| 1315 * Ignore alarm signals (Perl's alarm() generates it). | |
| 1316 */ | |
| 1317 #ifdef SIGALRM | |
| 1318 signal(SIGALRM, SIG_IGN); | |
| 1319 #endif | |
| 1320 | |
| 1321 /* | |
| 1322 * Catch SIGPWR (power failure?) to preserve the swap files, so that no | |
| 1323 * work will be lost. | |
| 1324 */ | |
| 1325 #ifdef SIGPWR | |
| 1326 signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr); | |
| 1327 #endif | |
| 1328 | |
| 1329 /* | |
| 1330 * Arrange for other signals to gracefully shutdown Vim. | |
| 1331 */ | |
| 1332 catch_signals(deathtrap, SIG_ERR); | |
| 1333 | |
| 1334 #if defined(FEAT_GUI) && defined(SIGHUP) | |
| 1335 /* | |
| 1336 * When the GUI is running, ignore the hangup signal. | |
| 1337 */ | |
| 1338 if (gui.in_use) | |
| 1339 signal(SIGHUP, SIG_IGN); | |
| 1340 #endif | |
| 1341 } | |
| 1342 | |
| 167 | 1343 #if defined(SIGINT) || defined(PROTO) |
| 1344 /* | |
| 1345 * Catch CTRL-C (only works while in Cooked mode). | |
| 1346 */ | |
| 1347 static void | |
| 1348 catch_int_signal() | |
| 1349 { | |
| 1350 signal(SIGINT, (RETSIGTYPE (*)())catch_sigint); | |
| 1351 } | |
| 1352 #endif | |
| 1353 | |
| 7 | 1354 void |
| 1355 reset_signals() | |
| 1356 { | |
| 1357 catch_signals(SIG_DFL, SIG_DFL); | |
| 1832 | 1358 #if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1359 /* SIGCONT isn't in the list, because its default action is ignore */ |
| 1360 signal(SIGCONT, SIG_DFL); | |
| 1361 #endif | |
| 1362 } | |
| 1363 | |
| 1364 static void | |
| 1365 catch_signals(func_deadly, func_other) | |
| 1366 RETSIGTYPE (*func_deadly)(); | |
| 1367 RETSIGTYPE (*func_other)(); | |
| 1368 { | |
| 1369 int i; | |
| 1370 | |
| 1371 for (i = 0; signal_info[i].sig != -1; i++) | |
| 1372 if (signal_info[i].deadly) | |
| 1373 { | |
| 1374 #if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGACTION) | |
| 1375 struct sigaction sa; | |
| 1376 | |
| 1377 /* Setup to use the alternate stack for the signal function. */ | |
| 1378 sa.sa_handler = func_deadly; | |
| 1379 sigemptyset(&sa.sa_mask); | |
| 1380 # if defined(__linux__) && defined(_REENTRANT) | |
| 1381 /* On Linux, with glibc compiled for kernel 2.2, there is a bug in | |
| 1382 * thread handling in combination with using the alternate stack: | |
| 1383 * pthread library functions try to use the stack pointer to | |
| 1384 * identify the current thread, causing a SEGV signal, which | |
| 1385 * recursively calls deathtrap() and hangs. */ | |
| 1386 sa.sa_flags = 0; | |
| 1387 # else | |
| 1388 sa.sa_flags = SA_ONSTACK; | |
| 1389 # endif | |
| 1390 sigaction(signal_info[i].sig, &sa, NULL); | |
| 1391 #else | |
| 1392 # if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGVEC) | |
| 1393 struct sigvec sv; | |
| 1394 | |
| 1395 /* Setup to use the alternate stack for the signal function. */ | |
| 1396 sv.sv_handler = func_deadly; | |
| 1397 sv.sv_mask = 0; | |
| 1398 sv.sv_flags = SV_ONSTACK; | |
| 1399 sigvec(signal_info[i].sig, &sv, NULL); | |
| 1400 # else | |
| 1401 signal(signal_info[i].sig, func_deadly); | |
| 1402 # endif | |
| 1403 #endif | |
| 1404 } | |
| 1405 else if (func_other != SIG_ERR) | |
| 1406 signal(signal_info[i].sig, func_other); | |
| 1407 } | |
| 1408 | |
| 1409 /* | |
| 37 | 1410 * Handling of SIGHUP, SIGQUIT and SIGTERM: |
| 1146 | 1411 * "when" == a signal: when busy, postpone and return FALSE, otherwise |
| 1412 * return TRUE | |
| 1413 * "when" == SIGNAL_BLOCK: Going to be busy, block signals | |
| 1414 * "when" == SIGNAL_UNBLOCK: Going to wait, unblock signals, use postponed | |
|
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|
1415 * signal |
| 36 | 1416 * Returns TRUE when Vim should exit. |
| 1417 */ | |
| 1418 int | |
| 413 | 1419 vim_handle_signal(sig) |
| 37 | 1420 int sig; |
| 36 | 1421 { |
| 37 | 1422 static int got_signal = 0; |
| 1423 static int blocked = TRUE; | |
| 1424 | |
| 1425 switch (sig) | |
| 36 | 1426 { |
| 37 | 1427 case SIGNAL_BLOCK: blocked = TRUE; |
| 1428 break; | |
| 1429 | |
| 1430 case SIGNAL_UNBLOCK: blocked = FALSE; | |
| 1431 if (got_signal != 0) | |
| 1432 { | |
| 1433 kill(getpid(), got_signal); | |
| 1434 got_signal = 0; | |
| 1435 } | |
| 1436 break; | |
| 1437 | |
| 1438 default: if (!blocked) | |
| 36 | 1439 return TRUE; /* exit! */ |
| 37 | 1440 got_signal = sig; |
| 1441 #ifdef SIGPWR | |
| 1442 if (sig != SIGPWR) | |
| 1443 #endif | |
| 1444 got_int = TRUE; /* break any loops */ | |
| 36 | 1445 break; |
| 1446 } | |
| 1447 return FALSE; | |
| 1448 } | |
| 1449 | |
| 1450 /* | |
| 7 | 1451 * Check_win checks whether we have an interactive stdout. |
| 1452 */ | |
| 1453 int | |
| 1454 mch_check_win(argc, argv) | |
| 1877 | 1455 int argc UNUSED; |
| 1456 char **argv UNUSED; | |
| 7 | 1457 { |
| 1458 #ifdef OS2 | |
| 1459 /* | |
| 1460 * Store argv[0], may be used for $VIM. Only use it if it is an absolute | |
| 1461 * name, mostly it's just "vim" and found in the path, which is unusable. | |
| 1462 */ | |
| 1463 if (mch_isFullName(argv[0])) | |
| 1464 exe_name = vim_strsave((char_u *)argv[0]); | |
| 1465 #endif | |
| 1466 if (isatty(1)) | |
| 1467 return OK; | |
| 1468 return FAIL; | |
| 1469 } | |
| 1470 | |
| 1471 /* | |
| 1472 * Return TRUE if the input comes from a terminal, FALSE otherwise. | |
| 1473 */ | |
| 1474 int | |
| 1475 mch_input_isatty() | |
| 1476 { | |
| 1477 if (isatty(read_cmd_fd)) | |
| 1478 return TRUE; | |
| 1479 return FALSE; | |
| 1480 } | |
| 1481 | |
| 1482 #ifdef FEAT_X11 | |
| 1483 | |
| 1484 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) \ | |
| 1485 && (defined(FEAT_XCLIPBOARD) || defined(FEAT_TITLE)) | |
| 1486 | |
| 1487 static void xopen_message __ARGS((struct timeval *tvp)); | |
| 1488 | |
| 1489 /* | |
| 1490 * Give a message about the elapsed time for opening the X window. | |
| 1491 */ | |
| 1492 static void | |
| 1493 xopen_message(tvp) | |
| 1494 struct timeval *tvp; /* must contain start time */ | |
| 1495 { | |
| 1496 struct timeval end_tv; | |
| 1497 | |
| 1498 /* Compute elapsed time. */ | |
| 1499 gettimeofday(&end_tv, NULL); | |
| 1500 smsg((char_u *)_("Opening the X display took %ld msec"), | |
| 1501 (end_tv.tv_sec - tvp->tv_sec) * 1000L | |
| 273 | 1502 + (end_tv.tv_usec - tvp->tv_usec) / 1000L); |
| 7 | 1503 } |
| 1504 # endif | |
| 1505 #endif | |
| 1506 | |
| 1507 #if defined(FEAT_X11) && (defined(FEAT_TITLE) || defined(FEAT_XCLIPBOARD)) | |
| 1508 /* | |
| 1509 * A few functions shared by X11 title and clipboard code. | |
| 1510 */ | |
| 1511 static int x_error_handler __ARGS((Display *dpy, XErrorEvent *error_event)); | |
| 1512 static int x_error_check __ARGS((Display *dpy, XErrorEvent *error_event)); | |
| 1513 static int x_connect_to_server __ARGS((void)); | |
| 1514 static int test_x11_window __ARGS((Display *dpy)); | |
| 1515 | |
| 1516 static int got_x_error = FALSE; | |
| 1517 | |
| 1518 /* | |
| 1519 * X Error handler, otherwise X just exits! (very rude) -- webb | |
| 1520 */ | |
| 1521 static int | |
| 1522 x_error_handler(dpy, error_event) | |
| 1523 Display *dpy; | |
| 1524 XErrorEvent *error_event; | |
| 1525 { | |
| 42 | 1526 XGetErrorText(dpy, error_event->error_code, (char *)IObuff, IOSIZE); |
| 7 | 1527 STRCAT(IObuff, _("\nVim: Got X error\n")); |
| 1528 | |
| 1529 /* We cannot print a message and continue, because no X calls are allowed | |
| 1530 * here (causes my system to hang). Silently continuing might be an | |
| 1531 * alternative... */ | |
| 1532 preserve_exit(); /* preserve files and exit */ | |
| 1533 | |
| 1534 return 0; /* NOTREACHED */ | |
| 1535 } | |
| 1536 | |
| 1537 /* | |
| 1538 * Another X Error handler, just used to check for errors. | |
| 1539 */ | |
| 1540 static int | |
| 1541 x_error_check(dpy, error_event) | |
| 1883 | 1542 Display *dpy UNUSED; |
| 1543 XErrorEvent *error_event UNUSED; | |
| 7 | 1544 { |
| 1545 got_x_error = TRUE; | |
| 1546 return 0; | |
| 1547 } | |
| 1548 | |
| 1549 #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) | |
| 1550 # if defined(HAVE_SETJMP_H) | |
| 1551 /* | |
| 1552 * An X IO Error handler, used to catch error while opening the display. | |
| 1553 */ | |
| 1554 static int x_IOerror_check __ARGS((Display *dpy)); | |
| 1555 | |
| 1556 static int | |
| 1557 x_IOerror_check(dpy) | |
| 1883 | 1558 Display *dpy UNUSED; |
| 7 | 1559 { |
| 1560 /* This function should not return, it causes exit(). Longjump instead. */ | |
| 1561 LONGJMP(lc_jump_env, 1); | |
|
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1562 # ifdef VMS |
|
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|
1563 return 0; /* avoid the compiler complains about missing return value */ |
|
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|
1564 # endif |
| 7 | 1565 } |
| 1566 # endif | |
| 1567 | |
| 1568 /* | |
| 1569 * An X IO Error handler, used to catch terminal errors. | |
| 1570 */ | |
| 1571 static int x_IOerror_handler __ARGS((Display *dpy)); | |
| 1572 | |
| 1573 static int | |
| 1574 x_IOerror_handler(dpy) | |
| 1883 | 1575 Display *dpy UNUSED; |
| 7 | 1576 { |
| 1577 xterm_dpy = NULL; | |
| 1578 x11_window = 0; | |
| 1579 x11_display = NULL; | |
| 1580 xterm_Shell = (Widget)0; | |
| 1581 | |
| 1582 /* This function should not return, it causes exit(). Longjump instead. */ | |
| 1583 LONGJMP(x_jump_env, 1); | |
|
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1584 # ifdef VMS |
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|
1585 return 0; /* avoid the compiler complains about missing return value */ |
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|
1586 # endif |
| 7 | 1587 } |
| 1588 #endif | |
| 1589 | |
| 1590 /* | |
| 1591 * Return TRUE when connection to the X server is desired. | |
| 1592 */ | |
| 1593 static int | |
| 1594 x_connect_to_server() | |
| 1595 { | |
| 1596 regmatch_T regmatch; | |
| 1597 | |
| 1598 #if defined(FEAT_CLIENTSERVER) | |
| 1599 if (x_force_connect) | |
| 1600 return TRUE; | |
| 1601 #endif | |
| 1602 if (x_no_connect) | |
| 1603 return FALSE; | |
| 1604 | |
| 1605 /* Check for a match with "exclude:" from 'clipboard'. */ | |
| 1606 if (clip_exclude_prog != NULL) | |
| 1607 { | |
| 1608 regmatch.rm_ic = FALSE; /* Don't ignore case */ | |
| 1609 regmatch.regprog = clip_exclude_prog; | |
| 1610 if (vim_regexec(®match, T_NAME, (colnr_T)0)) | |
| 1611 return FALSE; | |
| 1612 } | |
| 1613 return TRUE; | |
| 1614 } | |
| 1615 | |
| 1616 /* | |
| 1617 * Test if "dpy" and x11_window are valid by getting the window title. | |
| 1618 * I don't actually want it yet, so there may be a simpler call to use, but | |
| 1619 * this will cause the error handler x_error_check() to be called if anything | |
| 1620 * is wrong, such as the window pointer being invalid (as can happen when the | |
| 1621 * user changes his DISPLAY, but not his WINDOWID) -- webb | |
| 1622 */ | |
| 1623 static int | |
| 1624 test_x11_window(dpy) | |
| 1625 Display *dpy; | |
| 1626 { | |
| 1627 int (*old_handler)(); | |
| 1628 XTextProperty text_prop; | |
| 1629 | |
| 1630 old_handler = XSetErrorHandler(x_error_check); | |
| 1631 got_x_error = FALSE; | |
| 1632 if (XGetWMName(dpy, x11_window, &text_prop)) | |
| 1633 XFree((void *)text_prop.value); | |
| 1634 XSync(dpy, False); | |
| 1635 (void)XSetErrorHandler(old_handler); | |
| 1636 | |
| 1637 if (p_verbose > 0 && got_x_error) | |
| 292 | 1638 verb_msg((char_u *)_("Testing the X display failed")); |
| 7 | 1639 |
| 1640 return (got_x_error ? FAIL : OK); | |
| 1641 } | |
| 1642 #endif | |
| 1643 | |
| 1644 #ifdef FEAT_TITLE | |
| 1645 | |
| 1646 #ifdef FEAT_X11 | |
| 1647 | |
| 1648 static int get_x11_thing __ARGS((int get_title, int test_only)); | |
| 1649 | |
| 1650 /* | |
| 1651 * try to get x11 window and display | |
| 1652 * | |
| 1653 * return FAIL for failure, OK otherwise | |
| 1654 */ | |
| 1655 static int | |
| 1656 get_x11_windis() | |
| 1657 { | |
| 1658 char *winid; | |
| 1659 static int result = -1; | |
| 1660 #define XD_NONE 0 /* x11_display not set here */ | |
| 1661 #define XD_HERE 1 /* x11_display opened here */ | |
| 1662 #define XD_GUI 2 /* x11_display used from gui.dpy */ | |
| 1663 #define XD_XTERM 3 /* x11_display used from xterm_dpy */ | |
| 1664 static int x11_display_from = XD_NONE; | |
| 1665 static int did_set_error_handler = FALSE; | |
| 1666 | |
| 1667 if (!did_set_error_handler) | |
| 1668 { | |
| 1669 /* X just exits if it finds an error otherwise! */ | |
| 1670 (void)XSetErrorHandler(x_error_handler); | |
| 1671 did_set_error_handler = TRUE; | |
| 1672 } | |
| 1673 | |
| 574 | 1674 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) |
| 7 | 1675 if (gui.in_use) |
| 1676 { | |
| 1677 /* | |
| 1678 * If the X11 display was opened here before, for the window where Vim | |
| 1679 * was started, close that one now to avoid a memory leak. | |
| 1680 */ | |
| 1681 if (x11_display_from == XD_HERE && x11_display != NULL) | |
| 1682 { | |
| 1683 XCloseDisplay(x11_display); | |
| 1684 x11_display_from = XD_NONE; | |
| 1685 } | |
| 1686 if (gui_get_x11_windis(&x11_window, &x11_display) == OK) | |
| 1687 { | |
| 1688 x11_display_from = XD_GUI; | |
| 1689 return OK; | |
| 1690 } | |
| 1691 x11_display = NULL; | |
| 1692 return FAIL; | |
| 1693 } | |
| 1694 else if (x11_display_from == XD_GUI) | |
| 1695 { | |
| 1696 /* GUI must have stopped somehow, clear x11_display */ | |
| 1697 x11_window = 0; | |
| 1698 x11_display = NULL; | |
| 1699 x11_display_from = XD_NONE; | |
| 1700 } | |
| 1701 #endif | |
| 1702 | |
| 1703 /* When started with the "-X" argument, don't try connecting. */ | |
| 1704 if (!x_connect_to_server()) | |
| 1705 return FAIL; | |
| 1706 | |
| 1707 /* | |
| 1708 * If WINDOWID not set, should try another method to find out | |
| 1709 * what the current window number is. The only code I know for | |
| 1710 * this is very complicated. | |
| 1711 * We assume that zero is invalid for WINDOWID. | |
| 1712 */ | |
| 1713 if (x11_window == 0 && (winid = getenv("WINDOWID")) != NULL) | |
| 1714 x11_window = (Window)atol(winid); | |
| 1715 | |
| 1716 #ifdef FEAT_XCLIPBOARD | |
| 1717 if (xterm_dpy != NULL && x11_window != 0) | |
| 1718 { | |
| 1450 | 1719 /* We may have checked it already, but Gnome terminal can move us to |
| 1720 * another window, so we need to check every time. */ | |
| 1721 if (x11_display_from != XD_XTERM) | |
| 1722 { | |
| 1723 /* | |
| 1724 * If the X11 display was opened here before, for the window where | |
| 1725 * Vim was started, close that one now to avoid a memory leak. | |
| 1726 */ | |
| 1727 if (x11_display_from == XD_HERE && x11_display != NULL) | |
| 1728 XCloseDisplay(x11_display); | |
| 1729 x11_display = xterm_dpy; | |
| 1730 x11_display_from = XD_XTERM; | |
| 1731 } | |
| 7 | 1732 if (test_x11_window(x11_display) == FAIL) |
| 1733 { | |
| 1734 /* probably bad $WINDOWID */ | |
| 1735 x11_window = 0; | |
| 1736 x11_display = NULL; | |
| 1737 x11_display_from = XD_NONE; | |
| 1738 return FAIL; | |
| 1739 } | |
| 1740 return OK; | |
| 1741 } | |
| 1742 #endif | |
| 1743 | |
| 1744 if (x11_window == 0 || x11_display == NULL) | |
| 1745 result = -1; | |
| 1746 | |
| 1747 if (result != -1) /* Have already been here and set this */ | |
| 1748 return result; /* Don't do all these X calls again */ | |
| 1749 | |
| 1750 if (x11_window != 0 && x11_display == NULL) | |
| 1751 { | |
| 1752 #ifdef SET_SIG_ALARM | |
| 1753 RETSIGTYPE (*sig_save)(); | |
| 1754 #endif | |
| 1755 #if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 1756 struct timeval start_tv; | |
| 1757 | |
| 1758 if (p_verbose > 0) | |
| 1759 gettimeofday(&start_tv, NULL); | |
| 1760 #endif | |
| 1761 | |
| 1762 #ifdef SET_SIG_ALARM | |
| 1763 /* | |
| 1764 * Opening the Display may hang if the DISPLAY setting is wrong, or | |
| 1765 * the network connection is bad. Set an alarm timer to get out. | |
| 1766 */ | |
| 1767 sig_alarm_called = FALSE; | |
| 1768 sig_save = (RETSIGTYPE (*)())signal(SIGALRM, | |
| 1769 (RETSIGTYPE (*)())sig_alarm); | |
| 1770 alarm(2); | |
| 1771 #endif | |
| 1772 x11_display = XOpenDisplay(NULL); | |
| 1773 | |
| 1774 #ifdef SET_SIG_ALARM | |
| 1775 alarm(0); | |
| 1776 signal(SIGALRM, (RETSIGTYPE (*)())sig_save); | |
| 1777 if (p_verbose > 0 && sig_alarm_called) | |
| 292 | 1778 verb_msg((char_u *)_("Opening the X display timed out")); |
| 7 | 1779 #endif |
| 1780 if (x11_display != NULL) | |
| 1781 { | |
| 1782 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 1783 if (p_verbose > 0) | |
| 292 | 1784 { |
| 1785 verbose_enter(); | |
| 7 | 1786 xopen_message(&start_tv); |
| 292 | 1787 verbose_leave(); |
| 1788 } | |
| 7 | 1789 # endif |
| 1790 if (test_x11_window(x11_display) == FAIL) | |
| 1791 { | |
| 1792 /* Maybe window id is bad */ | |
| 1793 x11_window = 0; | |
| 1794 XCloseDisplay(x11_display); | |
| 1795 x11_display = NULL; | |
| 1796 } | |
| 1797 else | |
| 1798 x11_display_from = XD_HERE; | |
| 1799 } | |
| 1800 } | |
| 1801 if (x11_window == 0 || x11_display == NULL) | |
| 1802 return (result = FAIL); | |
| 2609 | 1803 |
| 1804 # ifdef FEAT_EVAL | |
| 1805 set_vim_var_nr(VV_WINDOWID, (long)x11_window); | |
| 1806 # endif | |
| 1807 | |
| 7 | 1808 return (result = OK); |
| 1809 } | |
| 1810 | |
| 1811 /* | |
| 1812 * Determine original x11 Window Title | |
| 1813 */ | |
| 1814 static int | |
| 1815 get_x11_title(test_only) | |
| 1816 int test_only; | |
| 1817 { | |
| 32 | 1818 return get_x11_thing(TRUE, test_only); |
| 7 | 1819 } |
| 1820 | |
| 1821 /* | |
| 1822 * Determine original x11 Window icon | |
| 1823 */ | |
| 1824 static int | |
| 1825 get_x11_icon(test_only) | |
| 1826 int test_only; | |
| 1827 { | |
| 1828 int retval = FALSE; | |
| 1829 | |
| 1830 retval = get_x11_thing(FALSE, test_only); | |
| 1831 | |
| 1832 /* could not get old icon, use terminal name */ | |
| 1833 if (oldicon == NULL && !test_only) | |
| 1834 { | |
| 1835 if (STRNCMP(T_NAME, "builtin_", 8) == 0) | |
| 1940 | 1836 oldicon = vim_strsave(T_NAME + 8); |
| 7 | 1837 else |
| 1940 | 1838 oldicon = vim_strsave(T_NAME); |
| 7 | 1839 } |
| 1840 | |
| 1841 return retval; | |
| 1842 } | |
| 1843 | |
| 1844 static int | |
| 1845 get_x11_thing(get_title, test_only) | |
| 1846 int get_title; /* get title string */ | |
| 1847 int test_only; | |
| 1848 { | |
| 1849 XTextProperty text_prop; | |
| 1850 int retval = FALSE; | |
| 1851 Status status; | |
| 1852 | |
| 1853 if (get_x11_windis() == OK) | |
| 1854 { | |
| 1855 /* Get window/icon name if any */ | |
| 1856 if (get_title) | |
| 1857 status = XGetWMName(x11_display, x11_window, &text_prop); | |
| 1858 else | |
| 1859 status = XGetWMIconName(x11_display, x11_window, &text_prop); | |
| 1860 | |
| 1861 /* | |
| 1862 * If terminal is xterm, then x11_window may be a child window of the | |
| 1863 * outer xterm window that actually contains the window/icon name, so | |
| 1864 * keep traversing up the tree until a window with a title/icon is | |
| 1865 * found. | |
| 1866 */ | |
| 1867 /* Previously this was only done for xterm and alikes. I don't see a | |
| 1868 * reason why it would fail for other terminal emulators. | |
| 1869 * if (term_is_xterm) */ | |
| 1870 { | |
| 1871 Window root; | |
| 1872 Window parent; | |
| 1873 Window win = x11_window; | |
| 1874 Window *children; | |
| 1875 unsigned int num_children; | |
| 1876 | |
| 1877 while (!status || text_prop.value == NULL) | |
| 1878 { | |
| 1879 if (!XQueryTree(x11_display, win, &root, &parent, &children, | |
| 1880 &num_children)) | |
| 1881 break; | |
| 1882 if (children) | |
| 1883 XFree((void *)children); | |
| 1884 if (parent == root || parent == 0) | |
| 1885 break; | |
| 1886 | |
| 1887 win = parent; | |
| 1888 if (get_title) | |
| 1889 status = XGetWMName(x11_display, win, &text_prop); | |
| 1890 else | |
| 1891 status = XGetWMIconName(x11_display, win, &text_prop); | |
| 1892 } | |
| 1893 } | |
| 1894 if (status && text_prop.value != NULL) | |
| 1895 { | |
| 1896 retval = TRUE; | |
| 1897 if (!test_only) | |
| 1898 { | |
|
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1899 #if defined(FEAT_XFONTSET) || defined(FEAT_MBYTE) |
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1900 if (text_prop.encoding == XA_STRING |
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1901 # ifdef FEAT_MBYTE |
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1902 && !has_mbyte |
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1903 # endif |
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1904 ) |
| 7 | 1905 { |
| 1906 #endif | |
| 1907 if (get_title) | |
| 1908 oldtitle = vim_strsave((char_u *)text_prop.value); | |
| 1909 else | |
| 1910 oldicon = vim_strsave((char_u *)text_prop.value); | |
|
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1911 #if defined(FEAT_XFONTSET) || defined(FEAT_MBYTE) |
| 7 | 1912 } |
| 1913 else | |
| 1914 { | |
| 1915 char **cl; | |
| 1916 Status transform_status; | |
| 1917 int n = 0; | |
| 1918 | |
| 1919 transform_status = XmbTextPropertyToTextList(x11_display, | |
| 1920 &text_prop, | |
| 1921 &cl, &n); | |
| 1922 if (transform_status >= Success && n > 0 && cl[0]) | |
| 1923 { | |
| 1924 if (get_title) | |
| 1925 oldtitle = vim_strsave((char_u *) cl[0]); | |
| 1926 else | |
| 1927 oldicon = vim_strsave((char_u *) cl[0]); | |
| 1928 XFreeStringList(cl); | |
| 1929 } | |
| 1930 else | |
| 1931 { | |
| 1932 if (get_title) | |
| 1933 oldtitle = vim_strsave((char_u *)text_prop.value); | |
| 1934 else | |
| 1935 oldicon = vim_strsave((char_u *)text_prop.value); | |
| 1936 } | |
| 1937 } | |
| 1938 #endif | |
| 1939 } | |
| 1940 XFree((void *)text_prop.value); | |
| 1941 } | |
| 1942 } | |
| 1943 return retval; | |
| 1944 } | |
| 1945 | |
| 1946 /* Are Xutf8 functions available? Avoid error from old compilers. */ | |
| 1947 #if defined(X_HAVE_UTF8_STRING) && defined(FEAT_MBYTE) | |
| 1948 # if X_HAVE_UTF8_STRING | |
| 1949 # define USE_UTF8_STRING | |
| 1950 # endif | |
| 1951 #endif | |
| 1952 | |
| 1953 /* | |
| 1954 * Set x11 Window Title | |
| 1955 * | |
| 1956 * get_x11_windis() must be called before this and have returned OK | |
| 1957 */ | |
| 1958 static void | |
| 1959 set_x11_title(title) | |
| 1960 char_u *title; | |
| 1961 { | |
| 1962 /* XmbSetWMProperties() and Xutf8SetWMProperties() should use a STRING | |
| 1963 * when possible, COMPOUND_TEXT otherwise. COMPOUND_TEXT isn't | |
| 1964 * supported everywhere and STRING doesn't work for multi-byte titles. | |
| 1965 */ | |
| 1966 #ifdef USE_UTF8_STRING | |
| 1967 if (enc_utf8) | |
| 1968 Xutf8SetWMProperties(x11_display, x11_window, (const char *)title, | |
| 1969 NULL, NULL, 0, NULL, NULL, NULL); | |
| 1970 else | |
| 1971 #endif | |
| 1972 { | |
| 1973 #if XtSpecificationRelease >= 4 | |
| 1974 # ifdef FEAT_XFONTSET | |
| 1975 XmbSetWMProperties(x11_display, x11_window, (const char *)title, | |
| 1976 NULL, NULL, 0, NULL, NULL, NULL); | |
| 1977 # else | |
| 1978 XTextProperty text_prop; | |
| 129 | 1979 char *c_title = (char *)title; |
| 7 | 1980 |
| 1981 /* directly from example 3-18 "basicwin" of Xlib Programming Manual */ | |
| 129 | 1982 (void)XStringListToTextProperty(&c_title, 1, &text_prop); |
| 7 | 1983 XSetWMProperties(x11_display, x11_window, &text_prop, |
| 1984 NULL, NULL, 0, NULL, NULL, NULL); | |
| 1985 # endif | |
| 1986 #else | |
| 1987 XStoreName(x11_display, x11_window, (char *)title); | |
| 1988 #endif | |
| 1989 } | |
| 1990 XFlush(x11_display); | |
| 1991 } | |
| 1992 | |
| 1993 /* | |
| 1994 * Set x11 Window icon | |
| 1995 * | |
| 1996 * get_x11_windis() must be called before this and have returned OK | |
| 1997 */ | |
| 1998 static void | |
| 1999 set_x11_icon(icon) | |
| 2000 char_u *icon; | |
| 2001 { | |
| 2002 /* See above for comments about using X*SetWMProperties(). */ | |
| 2003 #ifdef USE_UTF8_STRING | |
| 2004 if (enc_utf8) | |
| 2005 Xutf8SetWMProperties(x11_display, x11_window, NULL, (const char *)icon, | |
| 2006 NULL, 0, NULL, NULL, NULL); | |
| 2007 else | |
| 2008 #endif | |
| 2009 { | |
| 2010 #if XtSpecificationRelease >= 4 | |
| 2011 # ifdef FEAT_XFONTSET | |
| 2012 XmbSetWMProperties(x11_display, x11_window, NULL, (const char *)icon, | |
| 2013 NULL, 0, NULL, NULL, NULL); | |
| 2014 # else | |
| 2015 XTextProperty text_prop; | |
| 129 | 2016 char *c_icon = (char *)icon; |
| 2017 | |
| 2018 (void)XStringListToTextProperty(&c_icon, 1, &text_prop); | |
| 7 | 2019 XSetWMProperties(x11_display, x11_window, NULL, &text_prop, |
| 2020 NULL, 0, NULL, NULL, NULL); | |
| 2021 # endif | |
| 2022 #else | |
| 2023 XSetIconName(x11_display, x11_window, (char *)icon); | |
| 2024 #endif | |
| 2025 } | |
| 2026 XFlush(x11_display); | |
| 2027 } | |
| 2028 | |
| 2029 #else /* FEAT_X11 */ | |
| 2030 | |
| 2031 static int | |
| 2032 get_x11_title(test_only) | |
| 1883 | 2033 int test_only UNUSED; |
| 7 | 2034 { |
| 2035 return FALSE; | |
| 2036 } | |
| 2037 | |
| 2038 static int | |
| 2039 get_x11_icon(test_only) | |
| 2040 int test_only; | |
| 2041 { | |
| 2042 if (!test_only) | |
| 2043 { | |
| 2044 if (STRNCMP(T_NAME, "builtin_", 8) == 0) | |
| 1940 | 2045 oldicon = vim_strsave(T_NAME + 8); |
| 7 | 2046 else |
| 1940 | 2047 oldicon = vim_strsave(T_NAME); |
| 7 | 2048 } |
| 2049 return FALSE; | |
| 2050 } | |
| 2051 | |
| 2052 #endif /* FEAT_X11 */ | |
| 2053 | |
| 2054 int | |
| 2055 mch_can_restore_title() | |
| 2056 { | |
| 2057 return get_x11_title(TRUE); | |
| 2058 } | |
| 2059 | |
| 2060 int | |
| 2061 mch_can_restore_icon() | |
| 2062 { | |
| 2063 return get_x11_icon(TRUE); | |
| 2064 } | |
| 2065 | |
| 2066 /* | |
| 2067 * Set the window title and icon. | |
| 2068 */ | |
| 2069 void | |
| 2070 mch_settitle(title, icon) | |
| 2071 char_u *title; | |
| 2072 char_u *icon; | |
| 2073 { | |
| 2074 int type = 0; | |
| 2075 static int recursive = 0; | |
| 2076 | |
| 2077 if (T_NAME == NULL) /* no terminal name (yet) */ | |
| 2078 return; | |
| 2079 if (title == NULL && icon == NULL) /* nothing to do */ | |
| 2080 return; | |
| 2081 | |
| 2082 /* When one of the X11 functions causes a deadly signal, we get here again | |
| 2083 * recursively. Avoid hanging then (something is probably locked). */ | |
| 2084 if (recursive) | |
| 2085 return; | |
| 2086 ++recursive; | |
| 2087 | |
| 2088 /* | |
| 2089 * if the window ID and the display is known, we may use X11 calls | |
| 2090 */ | |
| 2091 #ifdef FEAT_X11 | |
| 2092 if (get_x11_windis() == OK) | |
| 2093 type = 1; | |
| 2094 #else | |
| 2095 # if defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_GTK) | |
| 2096 if (gui.in_use) | |
| 2097 type = 1; | |
| 2098 # endif | |
| 2099 #endif | |
| 2100 | |
| 2101 /* | |
|
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Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
2102 * Note: if "t_ts" is set, title is set with escape sequence rather |
| 7 | 2103 * than x11 calls, because the x11 calls don't always work |
| 2104 */ | |
| 2105 if ((type || *T_TS != NUL) && title != NULL) | |
| 2106 { | |
| 2107 if (oldtitle == NULL | |
| 2108 #ifdef FEAT_GUI | |
| 2109 && !gui.in_use | |
| 2110 #endif | |
| 2111 ) /* first call but not in GUI, save title */ | |
| 2112 (void)get_x11_title(FALSE); | |
| 2113 | |
| 2114 if (*T_TS != NUL) /* it's OK if t_fs is empty */ | |
| 2115 term_settitle(title); | |
| 2116 #ifdef FEAT_X11 | |
| 2117 else | |
| 2118 # ifdef FEAT_GUI_GTK | |
| 2119 if (!gui.in_use) /* don't do this if GTK+ is running */ | |
| 2120 # endif | |
| 2121 set_x11_title(title); /* x11 */ | |
| 2122 #endif | |
| 64 | 2123 #if defined(FEAT_GUI_GTK) \ |
| 7 | 2124 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) |
| 2125 else | |
| 2126 gui_mch_settitle(title, icon); | |
| 2127 #endif | |
| 2128 did_set_title = TRUE; | |
| 2129 } | |
| 2130 | |
| 2131 if ((type || *T_CIS != NUL) && icon != NULL) | |
| 2132 { | |
| 2133 if (oldicon == NULL | |
| 2134 #ifdef FEAT_GUI | |
| 2135 && !gui.in_use | |
| 2136 #endif | |
| 2137 ) /* first call, save icon */ | |
| 2138 get_x11_icon(FALSE); | |
| 2139 | |
| 2140 if (*T_CIS != NUL) | |
| 2141 { | |
| 2142 out_str(T_CIS); /* set icon start */ | |
| 2143 out_str_nf(icon); | |
| 2144 out_str(T_CIE); /* set icon end */ | |
| 2145 out_flush(); | |
| 2146 } | |
| 2147 #ifdef FEAT_X11 | |
| 2148 else | |
| 2149 # ifdef FEAT_GUI_GTK | |
| 2150 if (!gui.in_use) /* don't do this if GTK+ is running */ | |
| 2151 # endif | |
| 2152 set_x11_icon(icon); /* x11 */ | |
| 2153 #endif | |
| 2154 did_set_icon = TRUE; | |
| 2155 } | |
| 2156 --recursive; | |
| 2157 } | |
| 2158 | |
| 2159 /* | |
| 2160 * Restore the window/icon title. | |
| 2161 * "which" is one of: | |
| 2162 * 1 only restore title | |
| 2163 * 2 only restore icon | |
| 2164 * 3 restore title and icon | |
| 2165 */ | |
| 2166 void | |
| 2167 mch_restore_title(which) | |
| 2168 int which; | |
| 2169 { | |
| 2170 /* only restore the title or icon when it has been set */ | |
| 2171 mch_settitle(((which & 1) && did_set_title) ? | |
| 2172 (oldtitle ? oldtitle : p_titleold) : NULL, | |
| 2173 ((which & 2) && did_set_icon) ? oldicon : NULL); | |
| 2174 } | |
| 2175 | |
| 2176 #endif /* FEAT_TITLE */ | |
| 2177 | |
| 2178 /* | |
| 2179 * Return TRUE if "name" looks like some xterm name. | |
| 158 | 2180 * Seiichi Sato mentioned that "mlterm" works like xterm. |
| 7 | 2181 */ |
| 2182 int | |
| 2183 vim_is_xterm(name) | |
| 2184 char_u *name; | |
| 2185 { | |
| 2186 if (name == NULL) | |
| 2187 return FALSE; | |
| 2188 return (STRNICMP(name, "xterm", 5) == 0 | |
| 2189 || STRNICMP(name, "nxterm", 6) == 0 | |
| 2190 || STRNICMP(name, "kterm", 5) == 0 | |
| 158 | 2191 || STRNICMP(name, "mlterm", 6) == 0 |
| 7 | 2192 || STRNICMP(name, "rxvt", 4) == 0 |
| 2193 || STRCMP(name, "builtin_xterm") == 0); | |
| 2194 } | |
| 2195 | |
| 1620 | 2196 #if defined(FEAT_MOUSE_XTERM) || defined(PROTO) |
| 2197 /* | |
| 2198 * Return TRUE if "name" appears to be that of a terminal | |
| 2199 * known to support the xterm-style mouse protocol. | |
| 2200 * Relies on term_is_xterm having been set to its correct value. | |
| 2201 */ | |
| 2202 int | |
| 2203 use_xterm_like_mouse(name) | |
| 2204 char_u *name; | |
| 2205 { | |
| 2206 return (name != NULL | |
| 2207 && (term_is_xterm || STRNICMP(name, "screen", 6) == 0)); | |
| 2208 } | |
| 2209 #endif | |
| 2210 | |
| 7 | 2211 #if defined(FEAT_MOUSE_TTY) || defined(PROTO) |
| 2212 /* | |
| 2213 * Return non-zero when using an xterm mouse, according to 'ttymouse'. | |
| 2214 * Return 1 for "xterm". | |
| 2215 * Return 2 for "xterm2". | |
| 3145 | 2216 * Return 3 for "urxvt". |
| 3746 | 2217 * Return 4 for "sgr". |
| 7 | 2218 */ |
| 2219 int | |
| 2220 use_xterm_mouse() | |
| 2221 { | |
| 3746 | 2222 if (ttym_flags == TTYM_SGR) |
| 2223 return 4; | |
| 3145 | 2224 if (ttym_flags == TTYM_URXVT) |
| 2225 return 3; | |
| 7 | 2226 if (ttym_flags == TTYM_XTERM2) |
| 2227 return 2; | |
| 2228 if (ttym_flags == TTYM_XTERM) | |
| 2229 return 1; | |
| 2230 return 0; | |
| 2231 } | |
| 2232 #endif | |
| 2233 | |
| 2234 int | |
| 2235 vim_is_iris(name) | |
| 2236 char_u *name; | |
| 2237 { | |
| 2238 if (name == NULL) | |
| 2239 return FALSE; | |
| 2240 return (STRNICMP(name, "iris-ansi", 9) == 0 | |
| 2241 || STRCMP(name, "builtin_iris-ansi") == 0); | |
| 2242 } | |
| 2243 | |
| 2244 int | |
| 2245 vim_is_vt300(name) | |
| 2246 char_u *name; | |
| 2247 { | |
| 2248 if (name == NULL) | |
| 2249 return FALSE; /* actually all ANSI comp. terminals should be here */ | |
| 22 | 2250 /* catch VT100 - VT5xx */ |
| 2251 return ((STRNICMP(name, "vt", 2) == 0 | |
| 2252 && vim_strchr((char_u *)"12345", name[2]) != NULL) | |
| 7 | 2253 || STRCMP(name, "builtin_vt320") == 0); |
| 2254 } | |
| 2255 | |
| 2256 /* | |
| 2257 * Return TRUE if "name" is a terminal for which 'ttyfast' should be set. | |
| 2258 * This should include all windowed terminal emulators. | |
| 2259 */ | |
| 2260 int | |
| 2261 vim_is_fastterm(name) | |
| 2262 char_u *name; | |
| 2263 { | |
| 2264 if (name == NULL) | |
| 2265 return FALSE; | |
| 2266 if (vim_is_xterm(name) || vim_is_vt300(name) || vim_is_iris(name)) | |
| 2267 return TRUE; | |
| 2268 return ( STRNICMP(name, "hpterm", 6) == 0 | |
| 2269 || STRNICMP(name, "sun-cmd", 7) == 0 | |
| 2270 || STRNICMP(name, "screen", 6) == 0 | |
| 2271 || STRNICMP(name, "dtterm", 6) == 0); | |
| 2272 } | |
| 2273 | |
| 2274 /* | |
| 2275 * Insert user name in s[len]. | |
| 2276 * Return OK if a name found. | |
| 2277 */ | |
| 2278 int | |
| 2279 mch_get_user_name(s, len) | |
| 2280 char_u *s; | |
| 2281 int len; | |
| 2282 { | |
| 2283 #ifdef VMS | |
| 509 | 2284 vim_strncpy(s, (char_u *)cuserid(NULL), len - 1); |
| 7 | 2285 return OK; |
| 2286 #else | |
| 2287 return mch_get_uname(getuid(), s, len); | |
| 2288 #endif | |
| 2289 } | |
| 2290 | |
| 2291 /* | |
| 2292 * Insert user name for "uid" in s[len]. | |
| 2293 * Return OK if a name found. | |
| 2294 */ | |
| 2295 int | |
| 2296 mch_get_uname(uid, s, len) | |
| 2297 uid_t uid; | |
| 2298 char_u *s; | |
| 2299 int len; | |
| 2300 { | |
| 2301 #if defined(HAVE_PWD_H) && defined(HAVE_GETPWUID) | |
| 2302 struct passwd *pw; | |
| 2303 | |
| 2304 if ((pw = getpwuid(uid)) != NULL | |
| 2305 && pw->pw_name != NULL && *(pw->pw_name) != NUL) | |
| 2306 { | |
| 418 | 2307 vim_strncpy(s, (char_u *)pw->pw_name, len - 1); |
| 7 | 2308 return OK; |
| 2309 } | |
| 2310 #endif | |
| 2311 sprintf((char *)s, "%d", (int)uid); /* assumes s is long enough */ | |
| 2312 return FAIL; /* a number is not a name */ | |
| 2313 } | |
| 2314 | |
| 2315 /* | |
| 2316 * Insert host name is s[len]. | |
| 2317 */ | |
| 2318 | |
| 2319 #ifdef HAVE_SYS_UTSNAME_H | |
| 2320 void | |
| 2321 mch_get_host_name(s, len) | |
| 2322 char_u *s; | |
| 2323 int len; | |
| 2324 { | |
| 2325 struct utsname vutsname; | |
| 2326 | |
| 2327 if (uname(&vutsname) < 0) | |
| 2328 *s = NUL; | |
| 2329 else | |
| 418 | 2330 vim_strncpy(s, (char_u *)vutsname.nodename, len - 1); |
| 7 | 2331 } |
| 2332 #else /* HAVE_SYS_UTSNAME_H */ | |
| 2333 | |
| 2334 # ifdef HAVE_SYS_SYSTEMINFO_H | |
| 2335 # define gethostname(nam, len) sysinfo(SI_HOSTNAME, nam, len) | |
| 2336 # endif | |
| 2337 | |
| 2338 void | |
| 2339 mch_get_host_name(s, len) | |
| 2340 char_u *s; | |
| 2341 int len; | |
| 2342 { | |
| 2343 # ifdef VAXC | |
| 2344 vaxc$gethostname((char *)s, len); | |
| 2345 # else | |
| 2346 gethostname((char *)s, len); | |
| 2347 # endif | |
| 2348 s[len - 1] = NUL; /* make sure it's terminated */ | |
| 2349 } | |
| 2350 #endif /* HAVE_SYS_UTSNAME_H */ | |
| 2351 | |
| 2352 /* | |
| 2353 * return process ID | |
| 2354 */ | |
| 2355 long | |
| 2356 mch_get_pid() | |
| 2357 { | |
| 2358 return (long)getpid(); | |
| 2359 } | |
| 2360 | |
| 2361 #if !defined(HAVE_STRERROR) && defined(USE_GETCWD) | |
| 2362 static char *strerror __ARGS((int)); | |
| 2363 | |
| 2364 static char * | |
| 2365 strerror(err) | |
| 2366 int err; | |
| 2367 { | |
| 2368 extern int sys_nerr; | |
| 2369 extern char *sys_errlist[]; | |
| 2370 static char er[20]; | |
| 2371 | |
| 2372 if (err > 0 && err < sys_nerr) | |
| 2373 return (sys_errlist[err]); | |
| 2374 sprintf(er, "Error %d", err); | |
| 2375 return er; | |
| 2376 } | |
| 2377 #endif | |
| 2378 | |
| 2379 /* | |
| 2380 * Get name of current directory into buffer 'buf' of length 'len' bytes. | |
| 2381 * Return OK for success, FAIL for failure. | |
| 2382 */ | |
| 2383 int | |
| 2384 mch_dirname(buf, len) | |
| 2385 char_u *buf; | |
| 2386 int len; | |
| 2387 { | |
| 2388 #if defined(USE_GETCWD) | |
| 2389 if (getcwd((char *)buf, len) == NULL) | |
| 2390 { | |
| 2391 STRCPY(buf, strerror(errno)); | |
| 2392 return FAIL; | |
| 2393 } | |
| 2394 return OK; | |
| 2395 #else | |
| 2396 return (getwd((char *)buf) != NULL ? OK : FAIL); | |
| 2397 #endif | |
| 2398 } | |
| 2399 | |
| 2400 #if defined(OS2) || defined(PROTO) | |
| 2401 /* | |
| 2402 * Replace all slashes by backslashes. | |
| 2403 * When 'shellslash' set do it the other way around. | |
| 2404 */ | |
| 2405 void | |
| 2406 slash_adjust(p) | |
| 2407 char_u *p; | |
| 2408 { | |
| 2409 while (*p) | |
| 2410 { | |
| 2411 if (*p == psepcN) | |
| 2412 *p = psepc; | |
| 39 | 2413 mb_ptr_adv(p); |
| 7 | 2414 } |
| 2415 } | |
| 2416 #endif | |
| 2417 | |
| 2418 /* | |
| 1045 | 2419 * Get absolute file name into "buf[len]". |
| 7 | 2420 * |
| 2421 * return FAIL for failure, OK for success | |
| 2422 */ | |
| 2423 int | |
| 2424 mch_FullName(fname, buf, len, force) | |
| 2425 char_u *fname, *buf; | |
| 2426 int len; | |
| 2427 int force; /* also expand when already absolute path */ | |
| 2428 { | |
| 2429 int l; | |
| 1082 | 2430 #ifdef OS2 |
| 7 | 2431 int only_drive; /* file name is only a drive letter */ |
| 1082 | 2432 #endif |
| 2433 #ifdef HAVE_FCHDIR | |
| 7 | 2434 int fd = -1; |
| 2435 static int dont_fchdir = FALSE; /* TRUE when fchdir() doesn't work */ | |
| 1082 | 2436 #endif |
| 7 | 2437 char_u olddir[MAXPATHL]; |
| 2438 char_u *p; | |
| 2439 int retval = OK; | |
| 1615 | 2440 #ifdef __CYGWIN__ |
| 1620 | 2441 char_u posix_fname[MAXPATHL]; /* Cygwin docs mention MAX_PATH, but |
| 2442 it's not always defined */ | |
| 2443 #endif | |
| 7 | 2444 |
| 1082 | 2445 #ifdef VMS |
| 2446 fname = vms_fixfilename(fname); | |
| 2447 #endif | |
| 2448 | |
| 1102 | 2449 #ifdef __CYGWIN__ |
| 2450 /* | |
| 2451 * This helps for when "/etc/hosts" is a symlink to "c:/something/hosts". | |
| 2452 */ | |
| 1657 | 2453 # if CYGWIN_VERSION_DLL_MAJOR >= 1007 |
| 2454 cygwin_conv_path(CCP_WIN_A_TO_POSIX, fname, posix_fname, MAXPATHL); | |
| 2455 # else | |
| 1615 | 2456 cygwin_conv_to_posix_path(fname, posix_fname); |
| 1657 | 2457 # endif |
| 1615 | 2458 fname = posix_fname; |
| 1102 | 2459 #endif |
| 2460 | |
| 7 | 2461 /* expand it if forced or not an absolute path */ |
| 2462 if (force || !mch_isFullName(fname)) | |
| 2463 { | |
| 2464 /* | |
| 2465 * If the file name has a path, change to that directory for a moment, | |
| 2466 * and then do the getwd() (and get back to where we were). | |
| 2467 * This will get the correct path name with "../" things. | |
| 2468 */ | |
| 1082 | 2469 #ifdef OS2 |
| 7 | 2470 only_drive = 0; |
| 2471 if (((p = vim_strrchr(fname, '/')) != NULL) | |
| 2472 || ((p = vim_strrchr(fname, '\\')) != NULL) | |
| 2473 || (((p = vim_strchr(fname, ':')) != NULL) && ++only_drive)) | |
| 1082 | 2474 #else |
| 7 | 2475 if ((p = vim_strrchr(fname, '/')) != NULL) |
| 1082 | 2476 #endif |
| 7 | 2477 { |
| 1082 | 2478 #ifdef HAVE_FCHDIR |
| 7 | 2479 /* |
| 2480 * Use fchdir() if possible, it's said to be faster and more | |
| 2481 * reliable. But on SunOS 4 it might not work. Check this by | |
| 2482 * doing a fchdir() right now. | |
| 2483 */ | |
| 2484 if (!dont_fchdir) | |
| 2485 { | |
| 2486 fd = open(".", O_RDONLY | O_EXTRA, 0); | |
| 2487 if (fd >= 0 && fchdir(fd) < 0) | |
| 2488 { | |
| 2489 close(fd); | |
| 2490 fd = -1; | |
| 2491 dont_fchdir = TRUE; /* don't try again */ | |
| 2492 } | |
| 2493 } | |
| 1082 | 2494 #endif |
| 7 | 2495 |
| 2496 /* Only change directory when we are sure we can return to where | |
| 2497 * we are now. After doing "su" chdir(".") might not work. */ | |
| 2498 if ( | |
| 1082 | 2499 #ifdef HAVE_FCHDIR |
| 7 | 2500 fd < 0 && |
| 1082 | 2501 #endif |
| 7 | 2502 (mch_dirname(olddir, MAXPATHL) == FAIL |
| 2503 || mch_chdir((char *)olddir) != 0)) | |
| 2504 { | |
| 2505 p = NULL; /* can't get current dir: don't chdir */ | |
| 2506 retval = FAIL; | |
| 2507 } | |
| 2508 else | |
| 2509 { | |
| 1082 | 2510 #ifdef OS2 |
| 7 | 2511 /* |
| 2512 * compensate for case where ':' from "D:" was the only | |
| 2513 * path separator detected in the file name; the _next_ | |
| 2514 * character has to be removed, and then restored later. | |
| 2515 */ | |
| 2516 if (only_drive) | |
| 2517 p++; | |
| 1082 | 2518 #endif |
| 7 | 2519 /* The directory is copied into buf[], to be able to remove |
| 2520 * the file name without changing it (could be a string in | |
| 2521 * read-only memory) */ | |
| 2522 if (p - fname >= len) | |
| 2523 retval = FAIL; | |
| 2524 else | |
| 2525 { | |
| 418 | 2526 vim_strncpy(buf, fname, p - fname); |
| 7 | 2527 if (mch_chdir((char *)buf)) |
| 2528 retval = FAIL; | |
| 2529 else | |
| 2530 fname = p + 1; | |
| 2531 *buf = NUL; | |
| 2532 } | |
| 1082 | 2533 #ifdef OS2 |
| 7 | 2534 if (only_drive) |
| 2535 { | |
| 2536 p--; | |
| 2537 if (retval != FAIL) | |
| 2538 fname--; | |
| 2539 } | |
| 1082 | 2540 #endif |
| 7 | 2541 } |
| 2542 } | |
| 2543 if (mch_dirname(buf, len) == FAIL) | |
| 2544 { | |
| 2545 retval = FAIL; | |
| 2546 *buf = NUL; | |
| 2547 } | |
| 2548 if (p != NULL) | |
| 2549 { | |
| 1082 | 2550 #ifdef HAVE_FCHDIR |
| 7 | 2551 if (fd >= 0) |
| 2552 { | |
| 1935 | 2553 if (p_verbose >= 5) |
| 2554 { | |
| 2555 verbose_enter(); | |
| 2556 MSG("fchdir() to previous dir"); | |
| 2557 verbose_leave(); | |
| 2558 } | |
| 7 | 2559 l = fchdir(fd); |
| 2560 close(fd); | |
| 2561 } | |
| 2562 else | |
| 1082 | 2563 #endif |
| 7 | 2564 l = mch_chdir((char *)olddir); |
| 2565 if (l != 0) | |
| 2566 EMSG(_(e_prev_dir)); | |
| 2567 } | |
| 2568 | |
| 2569 l = STRLEN(buf); | |
| 3867 | 2570 if (l >= len - 1) |
| 2571 retval = FAIL; /* no space for trailing "/" */ | |
| 1082 | 2572 #ifndef VMS |
| 3867 | 2573 else if (l > 0 && buf[l - 1] != '/' && *fname != NUL |
| 7 | 2574 && STRCMP(fname, ".") != 0) |
| 3867 | 2575 STRCAT(buf, "/"); |
| 1082 | 2576 #endif |
| 7 | 2577 } |
| 1045 | 2578 |
| 7 | 2579 /* Catch file names which are too long. */ |
| 1877 | 2580 if (retval == FAIL || (int)(STRLEN(buf) + STRLEN(fname)) >= len) |
| 7 | 2581 return FAIL; |
| 2582 | |
| 2583 /* Do not append ".", "/dir/." is equal to "/dir". */ | |
| 2584 if (STRCMP(fname, ".") != 0) | |
| 2585 STRCAT(buf, fname); | |
| 2586 | |
| 2587 return OK; | |
| 2588 } | |
| 2589 | |
| 2590 /* | |
| 2591 * Return TRUE if "fname" does not depend on the current directory. | |
| 2592 */ | |
| 2593 int | |
| 2594 mch_isFullName(fname) | |
| 2595 char_u *fname; | |
| 2596 { | |
| 2597 #ifdef __EMX__ | |
| 2598 return _fnisabs(fname); | |
| 2599 #else | |
| 2600 # ifdef VMS | |
| 2601 return ( fname[0] == '/' || fname[0] == '.' || | |
| 2602 strchr((char *)fname,':') || strchr((char *)fname,'"') || | |
| 2603 (strchr((char *)fname,'[') && strchr((char *)fname,']'))|| | |
| 2604 (strchr((char *)fname,'<') && strchr((char *)fname,'>')) ); | |
| 2605 # else | |
| 2606 return (*fname == '/' || *fname == '~'); | |
| 2607 # endif | |
| 2608 #endif | |
| 2609 } | |
| 2610 | |
| 585 | 2611 #if defined(USE_FNAME_CASE) || defined(PROTO) |
| 2612 /* | |
| 2613 * Set the case of the file name, if it already exists. This will cause the | |
| 2614 * file name to remain exactly the same. | |
| 1450 | 2615 * Only required for file systems where case is ignored and preserved. |
| 585 | 2616 */ |
| 2617 void | |
| 2618 fname_case(name, len) | |
| 2619 char_u *name; | |
| 1883 | 2620 int len UNUSED; /* buffer size, only used when name gets longer */ |
| 585 | 2621 { |
| 2622 struct stat st; | |
| 2623 char_u *slash, *tail; | |
| 2624 DIR *dirp; | |
| 2625 struct dirent *dp; | |
| 2626 | |
| 2627 if (lstat((char *)name, &st) >= 0) | |
| 2628 { | |
| 2629 /* Open the directory where the file is located. */ | |
| 2630 slash = vim_strrchr(name, '/'); | |
| 2631 if (slash == NULL) | |
| 2632 { | |
| 2633 dirp = opendir("."); | |
| 2634 tail = name; | |
| 2635 } | |
| 2636 else | |
| 2637 { | |
| 2638 *slash = NUL; | |
| 2639 dirp = opendir((char *)name); | |
| 2640 *slash = '/'; | |
| 2641 tail = slash + 1; | |
| 2642 } | |
| 2643 | |
| 2644 if (dirp != NULL) | |
| 2645 { | |
| 2646 while ((dp = readdir(dirp)) != NULL) | |
| 2647 { | |
| 2648 /* Only accept names that differ in case and are the same byte | |
| 2649 * length. TODO: accept different length name. */ | |
| 2650 if (STRICMP(tail, dp->d_name) == 0 | |
| 2651 && STRLEN(tail) == STRLEN(dp->d_name)) | |
| 2652 { | |
| 2653 char_u newname[MAXPATHL + 1]; | |
| 2654 struct stat st2; | |
| 2655 | |
| 2656 /* Verify the inode is equal. */ | |
| 2657 vim_strncpy(newname, name, MAXPATHL); | |
| 2658 vim_strncpy(newname + (tail - name), (char_u *)dp->d_name, | |
| 2659 MAXPATHL - (tail - name)); | |
| 2660 if (lstat((char *)newname, &st2) >= 0 | |
| 2661 && st.st_ino == st2.st_ino | |
| 2662 && st.st_dev == st2.st_dev) | |
| 2663 { | |
| 2664 STRCPY(tail, dp->d_name); | |
| 2665 break; | |
| 2666 } | |
| 2667 } | |
| 2668 } | |
| 2669 | |
| 2670 closedir(dirp); | |
| 2671 } | |
| 2672 } | |
| 2673 } | |
| 2674 #endif | |
| 2675 | |
| 7 | 2676 /* |
| 2677 * Get file permissions for 'name'. | |
| 2678 * Returns -1 when it doesn't exist. | |
| 2679 */ | |
| 2680 long | |
| 2681 mch_getperm(name) | |
| 2682 char_u *name; | |
| 2683 { | |
| 2684 struct stat statb; | |
| 2685 | |
| 2686 /* Keep the #ifdef outside of stat(), it may be a macro. */ | |
| 2687 #ifdef VMS | |
| 2688 if (stat((char *)vms_fixfilename(name), &statb)) | |
| 2689 #else | |
| 2690 if (stat((char *)name, &statb)) | |
| 2691 #endif | |
| 2692 return -1; | |
| 1350 | 2693 #ifdef __INTERIX |
| 2694 /* The top bit makes the value negative, which means the file doesn't | |
| 2695 * exist. Remove the bit, we don't use it. */ | |
| 2696 return statb.st_mode & ~S_ADDACE; | |
| 2697 #else | |
| 7 | 2698 return statb.st_mode; |
| 1350 | 2699 #endif |
| 7 | 2700 } |
| 2701 | |
| 2702 /* | |
| 2703 * set file permission for 'name' to 'perm' | |
| 2704 * | |
| 2705 * return FAIL for failure, OK otherwise | |
| 2706 */ | |
| 2707 int | |
| 2708 mch_setperm(name, perm) | |
| 2709 char_u *name; | |
| 2710 long perm; | |
| 2711 { | |
| 2712 return (chmod((char *) | |
| 2713 #ifdef VMS | |
| 2714 vms_fixfilename(name), | |
| 2715 #else | |
| 2716 name, | |
| 2717 #endif | |
| 2718 (mode_t)perm) == 0 ? OK : FAIL); | |
| 2719 } | |
| 2720 | |
| 2721 #if defined(HAVE_ACL) || defined(PROTO) | |
| 2722 # ifdef HAVE_SYS_ACL_H | |
| 2723 # include <sys/acl.h> | |
| 2724 # endif | |
| 2725 # ifdef HAVE_SYS_ACCESS_H | |
| 2726 # include <sys/access.h> | |
| 2727 # endif | |
| 2728 | |
| 2729 # ifdef HAVE_SOLARIS_ACL | |
| 2730 typedef struct vim_acl_solaris_T { | |
| 2731 int acl_cnt; | |
| 2732 aclent_t *acl_entry; | |
| 2733 } vim_acl_solaris_T; | |
| 2734 # endif | |
| 2735 | |
| 1583 | 2736 #if defined(HAVE_SELINUX) || defined(PROTO) |
| 2737 /* | |
| 2738 * Copy security info from "from_file" to "to_file". | |
| 2739 */ | |
| 2740 void | |
| 2741 mch_copy_sec(from_file, to_file) | |
| 2742 char_u *from_file; | |
| 2743 char_u *to_file; | |
| 2744 { | |
| 2745 if (from_file == NULL) | |
| 2746 return; | |
| 2747 | |
| 2748 if (selinux_enabled == -1) | |
| 2749 selinux_enabled = is_selinux_enabled(); | |
| 2750 | |
| 2751 if (selinux_enabled > 0) | |
| 2752 { | |
| 2753 security_context_t from_context = NULL; | |
| 2754 security_context_t to_context = NULL; | |
| 2755 | |
| 2756 if (getfilecon((char *)from_file, &from_context) < 0) | |
| 2757 { | |
| 2758 /* If the filesystem doesn't support extended attributes, | |
| 2759 the original had no special security context and the | |
| 2760 target cannot have one either. */ | |
| 2761 if (errno == EOPNOTSUPP) | |
| 2762 return; | |
| 2763 | |
| 2764 MSG_PUTS(_("\nCould not get security context for ")); | |
| 2765 msg_outtrans(from_file); | |
| 2766 msg_putchar('\n'); | |
| 2767 return; | |
| 2768 } | |
| 2769 if (getfilecon((char *)to_file, &to_context) < 0) | |
| 2770 { | |
| 2771 MSG_PUTS(_("\nCould not get security context for ")); | |
| 2772 msg_outtrans(to_file); | |
| 2773 msg_putchar('\n'); | |
| 2774 freecon (from_context); | |
| 2775 return ; | |
| 2776 } | |
| 2777 if (strcmp(from_context, to_context) != 0) | |
| 2778 { | |
| 2779 if (setfilecon((char *)to_file, from_context) < 0) | |
| 2780 { | |
| 2781 MSG_PUTS(_("\nCould not set security context for ")); | |
| 2782 msg_outtrans(to_file); | |
| 2783 msg_putchar('\n'); | |
| 2784 } | |
| 2785 } | |
| 2786 freecon(to_context); | |
| 2787 freecon(from_context); | |
| 2788 } | |
| 2789 } | |
| 2790 #endif /* HAVE_SELINUX */ | |
| 2791 | |
| 7 | 2792 /* |
| 2793 * Return a pointer to the ACL of file "fname" in allocated memory. | |
| 2794 * Return NULL if the ACL is not available for whatever reason. | |
| 2795 */ | |
| 2796 vim_acl_T | |
| 2797 mch_get_acl(fname) | |
| 1877 | 2798 char_u *fname UNUSED; |
| 7 | 2799 { |
| 2800 vim_acl_T ret = NULL; | |
| 2801 #ifdef HAVE_POSIX_ACL | |
| 2802 ret = (vim_acl_T)acl_get_file((char *)fname, ACL_TYPE_ACCESS); | |
| 2803 #else | |
| 3330 | 2804 #ifdef HAVE_SOLARIS_ZFS_ACL |
| 2805 acl_t *aclent; | |
| 2806 | |
| 2807 if (acl_get((char *)fname, 0, &aclent) < 0) | |
| 2808 return NULL; | |
| 2809 ret = (vim_acl_T)aclent; | |
| 2810 #else | |
| 7 | 2811 #ifdef HAVE_SOLARIS_ACL |
| 2812 vim_acl_solaris_T *aclent; | |
| 2813 | |
| 2814 aclent = malloc(sizeof(vim_acl_solaris_T)); | |
| 2815 if ((aclent->acl_cnt = acl((char *)fname, GETACLCNT, 0, NULL)) < 0) | |
| 2816 { | |
| 2817 free(aclent); | |
| 2818 return NULL; | |
| 2819 } | |
| 2820 aclent->acl_entry = malloc(aclent->acl_cnt * sizeof(aclent_t)); | |
| 2821 if (acl((char *)fname, GETACL, aclent->acl_cnt, aclent->acl_entry) < 0) | |
| 2822 { | |
| 2823 free(aclent->acl_entry); | |
| 2824 free(aclent); | |
| 2825 return NULL; | |
| 2826 } | |
| 2827 ret = (vim_acl_T)aclent; | |
| 2828 #else | |
| 2829 #if defined(HAVE_AIX_ACL) | |
| 2830 int aclsize; | |
| 2831 struct acl *aclent; | |
| 2832 | |
| 2833 aclsize = sizeof(struct acl); | |
| 2834 aclent = malloc(aclsize); | |
| 2835 if (statacl((char *)fname, STX_NORMAL, aclent, aclsize) < 0) | |
| 2836 { | |
| 2837 if (errno == ENOSPC) | |
| 2838 { | |
| 2839 aclsize = aclent->acl_len; | |
| 2840 aclent = realloc(aclent, aclsize); | |
| 2841 if (statacl((char *)fname, STX_NORMAL, aclent, aclsize) < 0) | |
| 2842 { | |
| 2843 free(aclent); | |
| 2844 return NULL; | |
| 2845 } | |
| 2846 } | |
| 2847 else | |
| 2848 { | |
| 2849 free(aclent); | |
| 2850 return NULL; | |
| 2851 } | |
| 2852 } | |
| 2853 ret = (vim_acl_T)aclent; | |
| 2854 #endif /* HAVE_AIX_ACL */ | |
| 2855 #endif /* HAVE_SOLARIS_ACL */ | |
| 3330 | 2856 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
| 7 | 2857 #endif /* HAVE_POSIX_ACL */ |
| 2858 return ret; | |
| 2859 } | |
| 2860 | |
| 2861 /* | |
| 2862 * Set the ACL of file "fname" to "acl" (unless it's NULL). | |
| 2863 */ | |
| 2864 void | |
| 2865 mch_set_acl(fname, aclent) | |
| 1877 | 2866 char_u *fname UNUSED; |
| 7 | 2867 vim_acl_T aclent; |
| 2868 { | |
| 2869 if (aclent == NULL) | |
| 2870 return; | |
| 2871 #ifdef HAVE_POSIX_ACL | |
| 2872 acl_set_file((char *)fname, ACL_TYPE_ACCESS, (acl_t)aclent); | |
| 2873 #else | |
| 3330 | 2874 #ifdef HAVE_SOLARIS_ZFS_ACL |
| 2875 acl_set((char *)fname, (acl_t *)aclent); | |
| 2876 #else | |
| 7 | 2877 #ifdef HAVE_SOLARIS_ACL |
| 2878 acl((char *)fname, SETACL, ((vim_acl_solaris_T *)aclent)->acl_cnt, | |
| 2879 ((vim_acl_solaris_T *)aclent)->acl_entry); | |
| 2880 #else | |
| 2881 #ifdef HAVE_AIX_ACL | |
| 2882 chacl((char *)fname, aclent, ((struct acl *)aclent)->acl_len); | |
| 2883 #endif /* HAVE_AIX_ACL */ | |
| 2884 #endif /* HAVE_SOLARIS_ACL */ | |
| 3330 | 2885 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
| 7 | 2886 #endif /* HAVE_POSIX_ACL */ |
| 2887 } | |
| 2888 | |
| 2889 void | |
| 2890 mch_free_acl(aclent) | |
| 2891 vim_acl_T aclent; | |
| 2892 { | |
| 2893 if (aclent == NULL) | |
| 2894 return; | |
| 2895 #ifdef HAVE_POSIX_ACL | |
| 2896 acl_free((acl_t)aclent); | |
| 2897 #else | |
| 3330 | 2898 #ifdef HAVE_SOLARIS_ZFS_ACL |
| 2899 acl_free((acl_t *)aclent); | |
| 2900 #else | |
| 7 | 2901 #ifdef HAVE_SOLARIS_ACL |
| 2902 free(((vim_acl_solaris_T *)aclent)->acl_entry); | |
| 2903 free(aclent); | |
| 2904 #else | |
| 2905 #ifdef HAVE_AIX_ACL | |
| 2906 free(aclent); | |
| 2907 #endif /* HAVE_AIX_ACL */ | |
| 2908 #endif /* HAVE_SOLARIS_ACL */ | |
| 3330 | 2909 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
| 7 | 2910 #endif /* HAVE_POSIX_ACL */ |
| 2911 } | |
| 2912 #endif | |
| 2913 | |
| 2914 /* | |
| 2915 * Set hidden flag for "name". | |
| 2916 */ | |
| 2917 void | |
| 2918 mch_hide(name) | |
| 1877 | 2919 char_u *name UNUSED; |
| 7 | 2920 { |
| 2921 /* can't hide a file */ | |
| 2922 } | |
| 2923 | |
| 2924 /* | |
| 2925 * return TRUE if "name" is a directory | |
| 2926 * return FALSE if "name" is not a directory | |
| 2927 * return FALSE for error | |
| 2928 */ | |
| 2929 int | |
| 2930 mch_isdir(name) | |
| 2931 char_u *name; | |
| 2932 { | |
| 2933 struct stat statb; | |
| 2934 | |
| 2935 if (*name == NUL) /* Some stat()s don't flag "" as an error. */ | |
| 2936 return FALSE; | |
| 2937 if (stat((char *)name, &statb)) | |
| 2938 return FALSE; | |
| 2939 #ifdef _POSIX_SOURCE | |
| 2940 return (S_ISDIR(statb.st_mode) ? TRUE : FALSE); | |
| 2941 #else | |
| 2942 return ((statb.st_mode & S_IFMT) == S_IFDIR ? TRUE : FALSE); | |
| 2943 #endif | |
| 2944 } | |
| 2945 | |
| 2946 static int executable_file __ARGS((char_u *name)); | |
| 2947 | |
| 2948 /* | |
| 2949 * Return 1 if "name" is an executable file, 0 if not or it doesn't exist. | |
| 2950 */ | |
| 2951 static int | |
| 2952 executable_file(name) | |
| 2953 char_u *name; | |
| 2954 { | |
| 2955 struct stat st; | |
| 2956 | |
| 2957 if (stat((char *)name, &st)) | |
| 2958 return 0; | |
| 2959 return S_ISREG(st.st_mode) && mch_access((char *)name, X_OK) == 0; | |
| 2960 } | |
| 2961 | |
| 2962 /* | |
| 2963 * Return 1 if "name" can be found in $PATH and executed, 0 if not. | |
| 2964 * Return -1 if unknown. | |
| 2965 */ | |
| 2966 int | |
| 2967 mch_can_exe(name) | |
| 2968 char_u *name; | |
| 2969 { | |
| 2970 char_u *buf; | |
| 2971 char_u *p, *e; | |
| 2972 int retval; | |
| 2973 | |
| 2974 /* If it's an absolute or relative path don't need to use $PATH. */ | |
| 2975 if (mch_isFullName(name) || (name[0] == '.' && (name[1] == '/' | |
| 2976 || (name[1] == '.' && name[2] == '/')))) | |
| 2977 return executable_file(name); | |
| 2978 | |
| 2979 p = (char_u *)getenv("PATH"); | |
| 2980 if (p == NULL || *p == NUL) | |
| 2981 return -1; | |
| 2982 buf = alloc((unsigned)(STRLEN(name) + STRLEN(p) + 2)); | |
| 2983 if (buf == NULL) | |
| 2984 return -1; | |
| 2985 | |
| 2986 /* | |
| 2987 * Walk through all entries in $PATH to check if "name" exists there and | |
| 2988 * is an executable file. | |
| 2989 */ | |
| 2990 for (;;) | |
| 2991 { | |
| 2992 e = (char_u *)strchr((char *)p, ':'); | |
| 2993 if (e == NULL) | |
| 2994 e = p + STRLEN(p); | |
| 2995 if (e - p <= 1) /* empty entry means current dir */ | |
| 2996 STRCPY(buf, "./"); | |
| 2997 else | |
| 2998 { | |
| 418 | 2999 vim_strncpy(buf, p, e - p); |
| 7 | 3000 add_pathsep(buf); |
| 3001 } | |
| 3002 STRCAT(buf, name); | |
| 3003 retval = executable_file(buf); | |
| 3004 if (retval == 1) | |
| 3005 break; | |
| 3006 | |
| 3007 if (*e != ':') | |
| 3008 break; | |
| 3009 p = e + 1; | |
| 3010 } | |
| 3011 | |
| 3012 vim_free(buf); | |
| 3013 return retval; | |
| 3014 } | |
| 3015 | |
| 3016 /* | |
| 3017 * Check what "name" is: | |
| 3018 * NODE_NORMAL: file or directory (or doesn't exist) | |
| 3019 * NODE_WRITABLE: writable device, socket, fifo, etc. | |
| 3020 * NODE_OTHER: non-writable things | |
| 3021 */ | |
| 3022 int | |
| 3023 mch_nodetype(name) | |
| 3024 char_u *name; | |
| 3025 { | |
| 3026 struct stat st; | |
| 3027 | |
| 3028 if (stat((char *)name, &st)) | |
| 3029 return NODE_NORMAL; | |
| 3030 if (S_ISREG(st.st_mode) || S_ISDIR(st.st_mode)) | |
| 3031 return NODE_NORMAL; | |
| 3032 #ifndef OS2 | |
| 3033 if (S_ISBLK(st.st_mode)) /* block device isn't writable */ | |
| 3034 return NODE_OTHER; | |
| 3035 #endif | |
| 3036 /* Everything else is writable? */ | |
| 3037 return NODE_WRITABLE; | |
| 3038 } | |
| 3039 | |
| 3040 void | |
| 3041 mch_early_init() | |
| 3042 { | |
| 3043 #ifdef HAVE_CHECK_STACK_GROWTH | |
| 3044 int i; | |
| 180 | 3045 |
| 7 | 3046 check_stack_growth((char *)&i); |
| 3047 | |
| 180 | 3048 # ifdef HAVE_STACK_LIMIT |
| 7 | 3049 get_stack_limit(); |
| 3050 # endif | |
| 3051 | |
| 3052 #endif | |
| 3053 | |
| 3054 /* | |
| 3055 * Setup an alternative stack for signals. Helps to catch signals when | |
| 3056 * running out of stack space. | |
| 3057 * Use of sigaltstack() is preferred, it's more portable. | |
| 3058 * Ignore any errors. | |
| 3059 */ | |
| 3060 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 1737 | 3061 signal_stack = (char *)alloc(SIGSTKSZ); |
| 7 | 3062 init_signal_stack(); |
| 3063 #endif | |
| 3064 } | |
| 3065 | |
| 355 | 3066 #if defined(EXITFREE) || defined(PROTO) |
| 3067 void | |
| 3068 mch_free_mem() | |
| 3069 { | |
| 359 | 3070 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 3071 if (clip_star.owned) | |
| 3072 clip_lose_selection(&clip_star); | |
| 3073 if (clip_plus.owned) | |
| 3074 clip_lose_selection(&clip_plus); | |
| 355 | 3075 # endif |
| 1605 | 3076 # if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) |
| 355 | 3077 if (xterm_Shell != (Widget)0) |
| 3078 XtDestroyWidget(xterm_Shell); | |
| 1605 | 3079 # ifndef LESSTIF_VERSION |
| 3080 /* Lesstif crashes here, lose some memory */ | |
| 355 | 3081 if (xterm_dpy != NULL) |
| 3082 XtCloseDisplay(xterm_dpy); | |
| 3083 if (app_context != (XtAppContext)NULL) | |
| 1605 | 3084 { |
| 355 | 3085 XtDestroyApplicationContext(app_context); |
| 1605 | 3086 # ifdef FEAT_X11 |
| 3087 x11_display = NULL; /* freed by XtDestroyApplicationContext() */ | |
| 3088 # endif | |
| 3089 } | |
| 3090 # endif | |
| 355 | 3091 # endif |
|
2277
f42e0b5ff9e9
Change remaining HAVE_GTK2 to FEAT_GUI_GTK.
Bram Moolenaar <bram@vim.org>
parents:
2275
diff
changeset
|
3092 # if defined(FEAT_X11) |
| 1605 | 3093 if (x11_display != NULL |
| 3094 # ifdef FEAT_XCLIPBOARD | |
| 3095 && x11_display != xterm_dpy | |
| 3096 # endif | |
| 3097 ) | |
| 359 | 3098 XCloseDisplay(x11_display); |
| 3099 # endif | |
| 3100 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 3101 vim_free(signal_stack); | |
| 3102 signal_stack = NULL; | |
| 3103 # endif | |
| 3104 # ifdef FEAT_TITLE | |
| 3105 vim_free(oldtitle); | |
| 3106 vim_free(oldicon); | |
| 3107 # endif | |
| 355 | 3108 } |
| 3109 #endif | |
| 3110 | |
| 7 | 3111 static void exit_scroll __ARGS((void)); |
| 3112 | |
| 3113 /* | |
| 3114 * Output a newline when exiting. | |
| 3115 * Make sure the newline goes to the same stream as the text. | |
| 3116 */ | |
| 3117 static void | |
| 3118 exit_scroll() | |
| 3119 { | |
| 167 | 3120 if (silent_mode) |
| 3121 return; | |
| 7 | 3122 if (newline_on_exit || msg_didout) |
| 3123 { | |
| 3124 if (msg_use_printf()) | |
| 3125 { | |
| 3126 if (info_message) | |
| 3127 mch_msg("\n"); | |
| 3128 else | |
| 3129 mch_errmsg("\r\n"); | |
| 3130 } | |
| 3131 else | |
| 3132 out_char('\n'); | |
| 3133 } | |
| 3134 else | |
| 3135 { | |
| 3136 restore_cterm_colors(); /* get original colors back */ | |
| 3137 msg_clr_eos_force(); /* clear the rest of the display */ | |
| 3138 windgoto((int)Rows - 1, 0); /* may have moved the cursor */ | |
| 3139 } | |
| 3140 } | |
| 3141 | |
| 3142 void | |
| 3143 mch_exit(r) | |
| 3144 int r; | |
| 3145 { | |
| 3146 exiting = TRUE; | |
| 3147 | |
| 3148 #if defined(FEAT_X11) && defined(FEAT_CLIPBOARD) | |
| 3149 x11_export_final_selection(); | |
| 3150 #endif | |
| 3151 | |
| 3152 #ifdef FEAT_GUI | |
| 3153 if (!gui.in_use) | |
| 3154 #endif | |
| 3155 { | |
| 3156 settmode(TMODE_COOK); | |
| 3157 #ifdef FEAT_TITLE | |
| 3158 mch_restore_title(3); /* restore xterm title and icon name */ | |
| 3159 #endif | |
| 3160 /* | |
| 3161 * When t_ti is not empty but it doesn't cause swapping terminal | |
| 3162 * pages, need to output a newline when msg_didout is set. But when | |
| 3163 * t_ti does swap pages it should not go to the shell page. Do this | |
| 3164 * before stoptermcap(). | |
| 3165 */ | |
| 3166 if (swapping_screen() && !newline_on_exit) | |
| 3167 exit_scroll(); | |
| 3168 | |
| 3169 /* Stop termcap: May need to check for T_CRV response, which | |
| 3170 * requires RAW mode. */ | |
| 3171 stoptermcap(); | |
| 3172 | |
| 3173 /* | |
| 3174 * A newline is only required after a message in the alternate screen. | |
| 3175 * This is set to TRUE by wait_return(). | |
| 3176 */ | |
| 3177 if (!swapping_screen() || newline_on_exit) | |
| 3178 exit_scroll(); | |
| 3179 | |
| 3180 /* Cursor may have been switched off without calling starttermcap() | |
| 3181 * when doing "vim -u vimrc" and vimrc contains ":q". */ | |
| 3182 if (full_screen) | |
| 3183 cursor_on(); | |
| 3184 } | |
| 3185 out_flush(); | |
| 3186 ml_close_all(TRUE); /* remove all memfiles */ | |
| 3187 may_core_dump(); | |
| 3188 #ifdef FEAT_GUI | |
| 3189 if (gui.in_use) | |
| 3190 gui_exit(r); | |
| 3191 #endif | |
| 167 | 3192 |
| 765 | 3193 #ifdef MACOS_CONVERT |
| 167 | 3194 mac_conv_cleanup(); |
| 3195 #endif | |
| 3196 | |
| 7 | 3197 #ifdef __QNX__ |
| 3198 /* A core dump won't be created if the signal handler | |
| 3199 * doesn't return, so we can't call exit() */ | |
| 3200 if (deadly_signal != 0) | |
| 3201 return; | |
| 3202 #endif | |
| 3203 | |
| 33 | 3204 #ifdef FEAT_NETBEANS_INTG |
| 2210 | 3205 netbeans_send_disconnect(); |
| 33 | 3206 #endif |
| 355 | 3207 |
| 3208 #ifdef EXITFREE | |
| 3209 free_all_mem(); | |
| 3210 #endif | |
| 3211 | |
| 7 | 3212 exit(r); |
| 3213 } | |
| 3214 | |
| 3215 static void | |
| 3216 may_core_dump() | |
| 3217 { | |
| 3218 if (deadly_signal != 0) | |
| 3219 { | |
| 3220 signal(deadly_signal, SIG_DFL); | |
| 3221 kill(getpid(), deadly_signal); /* Die using the signal we caught */ | |
| 3222 } | |
| 3223 } | |
| 3224 | |
| 3225 #ifndef VMS | |
| 3226 | |
| 3227 void | |
| 3228 mch_settmode(tmode) | |
| 3229 int tmode; | |
| 3230 { | |
| 3231 static int first = TRUE; | |
| 3232 | |
| 3233 /* Why is NeXT excluded here (and not in os_unixx.h)? */ | |
| 3234 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__) | |
| 3235 /* | |
| 3236 * for "new" tty systems | |
| 3237 */ | |
| 3238 # ifdef HAVE_TERMIOS_H | |
| 3239 static struct termios told; | |
| 3240 struct termios tnew; | |
| 3241 # else | |
| 3242 static struct termio told; | |
| 3243 struct termio tnew; | |
| 3244 # endif | |
| 3245 | |
| 3246 if (first) | |
| 3247 { | |
| 3248 first = FALSE; | |
| 3249 # if defined(HAVE_TERMIOS_H) | |
| 3250 tcgetattr(read_cmd_fd, &told); | |
| 3251 # else | |
| 3252 ioctl(read_cmd_fd, TCGETA, &told); | |
| 3253 # endif | |
| 3254 } | |
| 3255 | |
| 3256 tnew = told; | |
| 3257 if (tmode == TMODE_RAW) | |
| 3258 { | |
| 3259 /* | |
| 3260 * ~ICRNL enables typing ^V^M | |
| 3261 */ | |
| 3262 tnew.c_iflag &= ~ICRNL; | |
| 3263 tnew.c_lflag &= ~(ICANON | ECHO | ISIG | ECHOE | |
| 3264 # if defined(IEXTEN) && !defined(__MINT__) | |
| 3265 | IEXTEN /* IEXTEN enables typing ^V on SOLARIS */ | |
| 3266 /* but it breaks function keys on MINT */ | |
| 3267 # endif | |
| 3268 ); | |
| 3269 # ifdef ONLCR /* don't map NL -> CR NL, we do it ourselves */ | |
| 3270 tnew.c_oflag &= ~ONLCR; | |
| 3271 # endif | |
| 3272 tnew.c_cc[VMIN] = 1; /* return after 1 char */ | |
| 3273 tnew.c_cc[VTIME] = 0; /* don't wait */ | |
| 3274 } | |
| 3275 else if (tmode == TMODE_SLEEP) | |
| 3276 tnew.c_lflag &= ~(ECHO); | |
| 3277 | |
| 3278 # if defined(HAVE_TERMIOS_H) | |
| 3279 { | |
| 3280 int n = 10; | |
| 3281 | |
| 3282 /* A signal may cause tcsetattr() to fail (e.g., SIGCONT). Retry a | |
| 3283 * few times. */ | |
| 3284 while (tcsetattr(read_cmd_fd, TCSANOW, &tnew) == -1 | |
| 3285 && errno == EINTR && n > 0) | |
| 3286 --n; | |
| 3287 } | |
| 3288 # else | |
| 3289 ioctl(read_cmd_fd, TCSETA, &tnew); | |
| 3290 # endif | |
| 3291 | |
| 3292 #else | |
| 3293 | |
| 3294 /* | |
| 3295 * for "old" tty systems | |
| 3296 */ | |
| 3297 # ifndef TIOCSETN | |
| 3298 # define TIOCSETN TIOCSETP /* for hpux 9.0 */ | |
| 3299 # endif | |
| 3300 static struct sgttyb ttybold; | |
| 3301 struct sgttyb ttybnew; | |
| 3302 | |
| 3303 if (first) | |
| 3304 { | |
| 3305 first = FALSE; | |
| 3306 ioctl(read_cmd_fd, TIOCGETP, &ttybold); | |
| 3307 } | |
| 3308 | |
| 3309 ttybnew = ttybold; | |
| 3310 if (tmode == TMODE_RAW) | |
| 3311 { | |
| 3312 ttybnew.sg_flags &= ~(CRMOD | ECHO); | |
| 3313 ttybnew.sg_flags |= RAW; | |
| 3314 } | |
| 3315 else if (tmode == TMODE_SLEEP) | |
| 3316 ttybnew.sg_flags &= ~(ECHO); | |
| 3317 ioctl(read_cmd_fd, TIOCSETN, &ttybnew); | |
| 3318 #endif | |
| 3319 curr_tmode = tmode; | |
| 3320 } | |
| 3321 | |
| 3322 /* | |
| 3323 * Try to get the code for "t_kb" from the stty setting | |
| 3324 * | |
| 3325 * Even if termcap claims a backspace key, the user's setting *should* | |
| 3326 * prevail. stty knows more about reality than termcap does, and if | |
| 3327 * somebody's usual erase key is DEL (which, for most BSD users, it will | |
| 3328 * be), they're going to get really annoyed if their erase key starts | |
| 3329 * doing forward deletes for no reason. (Eric Fischer) | |
| 3330 */ | |
| 3331 void | |
| 3332 get_stty() | |
| 3333 { | |
| 3334 char_u buf[2]; | |
| 3335 char_u *p; | |
| 3336 | |
| 3337 /* Why is NeXT excluded here (and not in os_unixx.h)? */ | |
| 3338 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__) | |
| 3339 /* for "new" tty systems */ | |
| 3340 # ifdef HAVE_TERMIOS_H | |
| 3341 struct termios keys; | |
| 3342 # else | |
| 3343 struct termio keys; | |
| 3344 # endif | |
| 3345 | |
| 3346 # if defined(HAVE_TERMIOS_H) | |
| 3347 if (tcgetattr(read_cmd_fd, &keys) != -1) | |
| 3348 # else | |
| 3349 if (ioctl(read_cmd_fd, TCGETA, &keys) != -1) | |
| 3350 # endif | |
| 3351 { | |
| 3352 buf[0] = keys.c_cc[VERASE]; | |
| 3353 intr_char = keys.c_cc[VINTR]; | |
| 3354 #else | |
| 3355 /* for "old" tty systems */ | |
| 3356 struct sgttyb keys; | |
| 3357 | |
| 3358 if (ioctl(read_cmd_fd, TIOCGETP, &keys) != -1) | |
| 3359 { | |
| 3360 buf[0] = keys.sg_erase; | |
| 3361 intr_char = keys.sg_kill; | |
| 3362 #endif | |
| 3363 buf[1] = NUL; | |
| 3364 add_termcode((char_u *)"kb", buf, FALSE); | |
| 3365 | |
| 3366 /* | |
| 3367 * If <BS> and <DEL> are now the same, redefine <DEL>. | |
| 3368 */ | |
| 3369 p = find_termcode((char_u *)"kD"); | |
| 3370 if (p != NULL && p[0] == buf[0] && p[1] == buf[1]) | |
| 3371 do_fixdel(NULL); | |
| 3372 } | |
| 3373 #if 0 | |
| 3374 } /* to keep cindent happy */ | |
| 3375 #endif | |
| 3376 } | |
| 3377 | |
| 3378 #endif /* VMS */ | |
| 3379 | |
| 3380 #if defined(FEAT_MOUSE_TTY) || defined(PROTO) | |
| 3381 /* | |
| 3382 * Set mouse clicks on or off. | |
| 3383 */ | |
| 3384 void | |
| 3385 mch_setmouse(on) | |
| 3386 int on; | |
| 3387 { | |
| 3388 static int ison = FALSE; | |
| 3389 int xterm_mouse_vers; | |
| 3390 | |
| 3391 if (on == ison) /* return quickly if nothing to do */ | |
| 3392 return; | |
| 3393 | |
| 3394 xterm_mouse_vers = use_xterm_mouse(); | |
| 3145 | 3395 |
| 3396 # ifdef FEAT_MOUSE_URXVT | |
| 3746 | 3397 if (ttym_flags == TTYM_URXVT) |
| 3398 { | |
| 3145 | 3399 out_str_nf((char_u *) |
| 3400 (on | |
| 3401 ? IF_EB("\033[?1015h", ESC_STR "[?1015h") | |
| 3402 : IF_EB("\033[?1015l", ESC_STR "[?1015l"))); | |
| 3403 ison = on; | |
| 3404 } | |
| 3405 # endif | |
| 3406 | |
| 3746 | 3407 # ifdef FEAT_MOUSE_SGR |
| 3408 if (ttym_flags == TTYM_SGR) | |
| 3409 { | |
| 3410 out_str_nf((char_u *) | |
| 3411 (on | |
| 3412 ? IF_EB("\033[?1006h", ESC_STR "[?1006h") | |
| 3413 : IF_EB("\033[?1006l", ESC_STR "[?1006l"))); | |
| 3414 ison = on; | |
| 3415 } | |
| 3416 # endif | |
| 3417 | |
| 7 | 3418 if (xterm_mouse_vers > 0) |
| 3419 { | |
| 3420 if (on) /* enable mouse events, use mouse tracking if available */ | |
| 3421 out_str_nf((char_u *) | |
| 3422 (xterm_mouse_vers > 1 | |
| 3423 ? IF_EB("\033[?1002h", ESC_STR "[?1002h") | |
| 3424 : IF_EB("\033[?1000h", ESC_STR "[?1000h"))); | |
| 3425 else /* disable mouse events, could probably always send the same */ | |
| 3426 out_str_nf((char_u *) | |
| 3427 (xterm_mouse_vers > 1 | |
| 3428 ? IF_EB("\033[?1002l", ESC_STR "[?1002l") | |
| 3429 : IF_EB("\033[?1000l", ESC_STR "[?1000l"))); | |
| 3430 ison = on; | |
| 3431 } | |
| 3432 | |
| 3433 # ifdef FEAT_MOUSE_DEC | |
| 3434 else if (ttym_flags == TTYM_DEC) | |
| 3435 { | |
| 3436 if (on) /* enable mouse events */ | |
| 3437 out_str_nf((char_u *)"\033[1;2'z\033[1;3'{"); | |
| 3438 else /* disable mouse events */ | |
| 3439 out_str_nf((char_u *)"\033['z"); | |
| 3440 ison = on; | |
| 3441 } | |
| 3442 # endif | |
| 3443 | |
| 3444 # ifdef FEAT_MOUSE_GPM | |
| 3445 else | |
| 3446 { | |
| 3447 if (on) | |
| 3448 { | |
| 3449 if (gpm_open()) | |
| 3450 ison = TRUE; | |
| 3451 } | |
| 3452 else | |
| 3453 { | |
| 3454 gpm_close(); | |
| 3455 ison = FALSE; | |
| 3456 } | |
| 3457 } | |
| 3458 # endif | |
| 3459 | |
| 1620 | 3460 # ifdef FEAT_SYSMOUSE |
| 3461 else | |
| 3462 { | |
| 3463 if (on) | |
| 3464 { | |
| 3465 if (sysmouse_open() == OK) | |
| 3466 ison = TRUE; | |
| 3467 } | |
| 3468 else | |
| 3469 { | |
| 3470 sysmouse_close(); | |
| 3471 ison = FALSE; | |
| 3472 } | |
| 3473 } | |
| 3474 # endif | |
| 3475 | |
| 7 | 3476 # ifdef FEAT_MOUSE_JSB |
| 3477 else | |
| 3478 { | |
| 3479 if (on) | |
| 3480 { | |
| 3481 /* D - Enable Mouse up/down messages | |
| 3482 * L - Enable Left Button Reporting | |
| 3483 * M - Enable Middle Button Reporting | |
| 3484 * R - Enable Right Button Reporting | |
| 3485 * K - Enable SHIFT and CTRL key Reporting | |
| 3486 * + - Enable Advanced messaging of mouse moves and up/down messages | |
| 3487 * Q - Quiet No Ack | |
| 3488 * # - Numeric value of mouse pointer required | |
| 3489 * 0 = Multiview 2000 cursor, used as standard | |
| 3490 * 1 = Windows Arrow | |
| 3491 * 2 = Windows I Beam | |
| 3492 * 3 = Windows Hour Glass | |
| 3493 * 4 = Windows Cross Hair | |
| 3494 * 5 = Windows UP Arrow | |
| 3495 */ | |
| 3496 #ifdef JSBTERM_MOUSE_NONADVANCED /* Disables full feedback of pointer movements */ | |
| 3497 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK1Q\033\\", | |
| 3498 ESC_STR "[0~ZwLMRK1Q" ESC_STR "\\")); | |
| 3499 #else | |
| 3500 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK+1Q\033\\", | |
| 3501 ESC_STR "[0~ZwLMRK+1Q" ESC_STR "\\")); | |
| 3502 #endif | |
| 3503 ison = TRUE; | |
| 3504 } | |
| 3505 else | |
| 3506 { | |
| 3507 out_str_nf((char_u *)IF_EB("\033[0~ZwQ\033\\", | |
| 3508 ESC_STR "[0~ZwQ" ESC_STR "\\")); | |
| 3509 ison = FALSE; | |
| 3510 } | |
| 3511 } | |
| 3512 # endif | |
| 3513 # ifdef FEAT_MOUSE_PTERM | |
| 3514 else | |
| 3515 { | |
| 3516 /* 1 = button press, 6 = release, 7 = drag, 1h...9l = right button */ | |
| 3517 if (on) | |
| 3518 out_str_nf("\033[>1h\033[>6h\033[>7h\033[>1h\033[>9l"); | |
| 3519 else | |
| 3520 out_str_nf("\033[>1l\033[>6l\033[>7l\033[>1l\033[>9h"); | |
| 3521 ison = on; | |
| 3522 } | |
| 3523 # endif | |
| 3524 } | |
| 3525 | |
| 3526 /* | |
| 3527 * Set the mouse termcode, depending on the 'term' and 'ttymouse' options. | |
| 3528 */ | |
| 3529 void | |
| 3530 check_mouse_termcode() | |
| 3531 { | |
| 3532 # ifdef FEAT_MOUSE_XTERM | |
| 3533 if (use_xterm_mouse() | |
| 3145 | 3534 # ifdef FEAT_MOUSE_URXVT |
| 3535 && use_xterm_mouse() != 3 | |
| 3536 # endif | |
| 7 | 3537 # ifdef FEAT_GUI |
| 3538 && !gui.in_use | |
| 3539 # endif | |
| 3540 ) | |
| 3541 { | |
| 3542 set_mouse_termcode(KS_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
| 180 | 3543 ? IF_EB("\233M", CSI_STR "M") |
| 3544 : IF_EB("\033[M", ESC_STR "[M"))); | |
| 7 | 3545 if (*p_mouse != NUL) |
| 3546 { | |
| 3547 /* force mouse off and maybe on to send possibly new mouse | |
| 3548 * activation sequence to the xterm, with(out) drag tracing. */ | |
| 3549 mch_setmouse(FALSE); | |
| 3550 setmouse(); | |
| 3551 } | |
| 3552 } | |
| 3553 else | |
| 3554 del_mouse_termcode(KS_MOUSE); | |
| 3555 # endif | |
| 3556 | |
| 3557 # ifdef FEAT_MOUSE_GPM | |
| 3558 if (!use_xterm_mouse() | |
| 3559 # ifdef FEAT_GUI | |
| 3560 && !gui.in_use | |
| 3561 # endif | |
| 3562 ) | |
| 3563 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MG", ESC_STR "MG")); | |
| 3564 # endif | |
| 3565 | |
| 1620 | 3566 # ifdef FEAT_SYSMOUSE |
| 3567 if (!use_xterm_mouse() | |
| 3568 # ifdef FEAT_GUI | |
| 3569 && !gui.in_use | |
| 3570 # endif | |
| 3571 ) | |
| 3572 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MS", ESC_STR "MS")); | |
| 3573 # endif | |
| 3574 | |
| 7 | 3575 # ifdef FEAT_MOUSE_JSB |
| 3576 /* conflicts with xterm mouse: "\033[" and "\033[M" ??? */ | |
| 3577 if (!use_xterm_mouse() | |
| 3578 # ifdef FEAT_GUI | |
| 3579 && !gui.in_use | |
| 3580 # endif | |
| 3581 ) | |
| 3582 set_mouse_termcode(KS_JSBTERM_MOUSE, | |
| 3583 (char_u *)IF_EB("\033[0~zw", ESC_STR "[0~zw")); | |
| 3584 else | |
| 3585 del_mouse_termcode(KS_JSBTERM_MOUSE); | |
| 3586 # endif | |
| 3587 | |
| 3588 # ifdef FEAT_MOUSE_NET | |
| 180 | 3589 /* There is no conflict, but one may type "ESC }" from Insert mode. Don't |
| 7 | 3590 * define it in the GUI or when using an xterm. */ |
| 3591 if (!use_xterm_mouse() | |
| 3592 # ifdef FEAT_GUI | |
| 3593 && !gui.in_use | |
| 3594 # endif | |
| 3595 ) | |
| 3596 set_mouse_termcode(KS_NETTERM_MOUSE, | |
| 3597 (char_u *)IF_EB("\033}", ESC_STR "}")); | |
| 3598 else | |
| 3599 del_mouse_termcode(KS_NETTERM_MOUSE); | |
| 3600 # endif | |
| 3601 | |
| 3602 # ifdef FEAT_MOUSE_DEC | |
| 3603 /* conflicts with xterm mouse: "\033[" and "\033[M" */ | |
| 3604 if (!use_xterm_mouse() | |
| 3605 # ifdef FEAT_GUI | |
| 3606 && !gui.in_use | |
| 3607 # endif | |
| 3608 ) | |
| 180 | 3609 set_mouse_termcode(KS_DEC_MOUSE, (char_u *)(term_is_8bit(T_NAME) |
| 3610 ? IF_EB("\233", CSI_STR) : IF_EB("\033[", ESC_STR "["))); | |
| 7 | 3611 else |
| 3612 del_mouse_termcode(KS_DEC_MOUSE); | |
| 3613 # endif | |
| 3614 # ifdef FEAT_MOUSE_PTERM | |
| 3615 /* same as the dec mouse */ | |
| 3616 if (!use_xterm_mouse() | |
| 3617 # ifdef FEAT_GUI | |
| 3618 && !gui.in_use | |
| 3619 # endif | |
| 3620 ) | |
| 3621 set_mouse_termcode(KS_PTERM_MOUSE, | |
| 3622 (char_u *) IF_EB("\033[", ESC_STR "[")); | |
| 3623 else | |
| 3624 del_mouse_termcode(KS_PTERM_MOUSE); | |
| 3625 # endif | |
| 3145 | 3626 # ifdef FEAT_MOUSE_URXVT |
| 3627 /* same as the dec mouse */ | |
| 3628 if (use_xterm_mouse() == 3 | |
| 3629 # ifdef FEAT_GUI | |
| 3630 && !gui.in_use | |
| 3631 # endif | |
| 3632 ) | |
| 3633 { | |
| 3634 set_mouse_termcode(KS_URXVT_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
| 3635 ? IF_EB("\233", CSI_STR) | |
| 3636 : IF_EB("\033[", ESC_STR "["))); | |
| 3637 | |
| 3638 if (*p_mouse != NUL) | |
| 3639 { | |
| 3640 mch_setmouse(FALSE); | |
| 3641 setmouse(); | |
| 3642 } | |
| 3643 } | |
| 3644 else | |
| 3645 del_mouse_termcode(KS_URXVT_MOUSE); | |
| 3646 # endif | |
| 3746 | 3647 # ifdef FEAT_MOUSE_SGR |
| 3648 /* same as the dec mouse */ | |
| 3649 if (use_xterm_mouse() == 4 | |
| 3650 # ifdef FEAT_GUI | |
| 3651 && !gui.in_use | |
| 3652 # endif | |
| 3653 ) | |
| 3654 { | |
| 3655 set_mouse_termcode(KS_SGR_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
| 3656 ? IF_EB("\233<", CSI_STR "<") | |
| 3657 : IF_EB("\033[<", ESC_STR "[<"))); | |
| 3658 | |
| 3659 if (*p_mouse != NUL) | |
| 3660 { | |
| 3661 mch_setmouse(FALSE); | |
| 3662 setmouse(); | |
| 3663 } | |
| 3664 } | |
| 3665 else | |
| 3666 del_mouse_termcode(KS_SGR_MOUSE); | |
| 3667 # endif | |
| 7 | 3668 } |
| 3669 #endif | |
| 3670 | |
| 3671 /* | |
| 3672 * set screen mode, always fails. | |
| 3673 */ | |
| 3674 int | |
| 3675 mch_screenmode(arg) | |
| 1877 | 3676 char_u *arg UNUSED; |
| 7 | 3677 { |
| 3678 EMSG(_(e_screenmode)); | |
| 3679 return FAIL; | |
| 3680 } | |
| 3681 | |
| 3682 #ifndef VMS | |
| 3683 | |
| 3684 /* | |
| 3685 * Try to get the current window size: | |
| 3686 * 1. with an ioctl(), most accurate method | |
| 3687 * 2. from the environment variables LINES and COLUMNS | |
| 3688 * 3. from the termcap | |
| 3689 * 4. keep using the old values | |
| 3690 * Return OK when size could be determined, FAIL otherwise. | |
| 3691 */ | |
| 3692 int | |
| 3693 mch_get_shellsize() | |
| 3694 { | |
| 3695 long rows = 0; | |
| 3696 long columns = 0; | |
| 3697 char_u *p; | |
| 3698 | |
| 3699 /* | |
| 3700 * For OS/2 use _scrsize(). | |
| 3701 */ | |
| 3702 # ifdef __EMX__ | |
| 3703 { | |
| 3704 int s[2]; | |
| 3705 | |
| 3706 _scrsize(s); | |
| 3707 columns = s[0]; | |
| 3708 rows = s[1]; | |
| 3709 } | |
| 3710 # endif | |
| 3711 | |
| 3712 /* | |
| 3713 * 1. try using an ioctl. It is the most accurate method. | |
| 3714 * | |
| 3715 * Try using TIOCGWINSZ first, some systems that have it also define | |
| 3716 * TIOCGSIZE but don't have a struct ttysize. | |
| 3717 */ | |
| 3718 # ifdef TIOCGWINSZ | |
| 3719 { | |
| 3720 struct winsize ws; | |
| 3721 int fd = 1; | |
| 3722 | |
| 3723 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
| 3724 if (!isatty(fd) && isatty(read_cmd_fd)) | |
| 3725 fd = read_cmd_fd; | |
| 3726 if (ioctl(fd, TIOCGWINSZ, &ws) == 0) | |
| 3727 { | |
| 3728 columns = ws.ws_col; | |
| 3729 rows = ws.ws_row; | |
| 3730 } | |
| 3731 } | |
| 3732 # else /* TIOCGWINSZ */ | |
| 3733 # ifdef TIOCGSIZE | |
| 3734 { | |
| 3735 struct ttysize ts; | |
| 3736 int fd = 1; | |
| 3737 | |
| 3738 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
| 3739 if (!isatty(fd) && isatty(read_cmd_fd)) | |
| 3740 fd = read_cmd_fd; | |
| 3741 if (ioctl(fd, TIOCGSIZE, &ts) == 0) | |
| 3742 { | |
| 3743 columns = ts.ts_cols; | |
| 3744 rows = ts.ts_lines; | |
| 3745 } | |
| 3746 } | |
| 3747 # endif /* TIOCGSIZE */ | |
| 3748 # endif /* TIOCGWINSZ */ | |
| 3749 | |
| 3750 /* | |
| 3751 * 2. get size from environment | |
| 164 | 3752 * When being POSIX compliant ('|' flag in 'cpoptions') this overrules |
| 3753 * the ioctl() values! | |
| 7 | 3754 */ |
| 164 | 3755 if (columns == 0 || rows == 0 || vim_strchr(p_cpo, CPO_TSIZE) != NULL) |
| 7 | 3756 { |
| 3757 if ((p = (char_u *)getenv("LINES"))) | |
| 3758 rows = atoi((char *)p); | |
| 3759 if ((p = (char_u *)getenv("COLUMNS"))) | |
| 3760 columns = atoi((char *)p); | |
| 3761 } | |
| 3762 | |
| 3763 #ifdef HAVE_TGETENT | |
| 3764 /* | |
| 3765 * 3. try reading "co" and "li" entries from termcap | |
| 3766 */ | |
| 3767 if (columns == 0 || rows == 0) | |
| 3768 getlinecol(&columns, &rows); | |
| 3769 #endif | |
| 3770 | |
| 3771 /* | |
| 3772 * 4. If everything fails, use the old values | |
| 3773 */ | |
| 3774 if (columns <= 0 || rows <= 0) | |
| 3775 return FAIL; | |
| 3776 | |
| 3777 Rows = rows; | |
| 3778 Columns = columns; | |
| 3779 return OK; | |
| 3780 } | |
| 3781 | |
| 3782 /* | |
| 3783 * Try to set the window size to Rows and Columns. | |
| 3784 */ | |
| 3785 void | |
| 3786 mch_set_shellsize() | |
| 3787 { | |
| 3788 if (*T_CWS) | |
| 3789 { | |
| 3790 /* | |
| 3791 * NOTE: if you get an error here that term_set_winsize() is | |
| 3792 * undefined, check the output of configure. It could probably not | |
| 3793 * find a ncurses, termcap or termlib library. | |
| 3794 */ | |
| 3795 term_set_winsize((int)Rows, (int)Columns); | |
| 3796 out_flush(); | |
| 3797 screen_start(); /* don't know where cursor is now */ | |
| 3798 } | |
| 3799 } | |
| 3800 | |
| 3801 #endif /* VMS */ | |
| 3802 | |
| 3803 /* | |
| 3804 * Rows and/or Columns has changed. | |
| 3805 */ | |
| 3806 void | |
| 3807 mch_new_shellsize() | |
| 3808 { | |
| 3809 /* Nothing to do. */ | |
| 3810 } | |
| 3811 | |
| 3048 | 3812 /* |
| 3813 * Wait for process "child" to end. | |
| 3814 * Return "child" if it exited properly, <= 0 on error. | |
| 3815 */ | |
| 3816 static pid_t | |
| 3817 wait4pid(child, status) | |
| 3818 pid_t child; | |
| 3819 waitstatus *status; | |
| 3820 { | |
| 3821 pid_t wait_pid = 0; | |
| 3822 | |
| 3823 while (wait_pid != child) | |
| 3824 { | |
| 3470 | 3825 /* When compiled with Python threads are probably used, in which case |
| 3826 * wait() sometimes hangs for no obvious reason. Use waitpid() | |
| 3827 * instead and loop (like the GUI). Also needed for other interfaces, | |
| 3828 * they might call system(). */ | |
| 3829 # ifdef __NeXT__ | |
| 3048 | 3830 wait_pid = wait4(child, status, WNOHANG, (struct rusage *)0); |
| 3470 | 3831 # else |
| 3048 | 3832 wait_pid = waitpid(child, status, WNOHANG); |
| 3470 | 3833 # endif |
| 3048 | 3834 if (wait_pid == 0) |
| 3835 { | |
| 4074 | 3836 /* Wait for 10 msec before trying again. */ |
| 3048 | 3837 mch_delay(10L, TRUE); |
| 3838 continue; | |
| 3839 } | |
| 3840 if (wait_pid <= 0 | |
| 3841 # ifdef ECHILD | |
| 3842 && errno == ECHILD | |
| 3843 # endif | |
| 3844 ) | |
| 3845 break; | |
| 3846 } | |
| 3847 return wait_pid; | |
| 3848 } | |
| 3849 | |
| 7 | 3850 int |
| 3851 mch_call_shell(cmd, options) | |
| 3852 char_u *cmd; | |
| 3853 int options; /* SHELL_*, see vim.h */ | |
| 3854 { | |
| 3855 #ifdef VMS | |
| 3856 char *ifn = NULL; | |
| 3857 char *ofn = NULL; | |
| 3858 #endif | |
| 3859 int tmode = cur_tmode; | |
| 3860 #ifdef USE_SYSTEM /* use system() to start the shell: simple but slow */ | |
| 3861 int x; | |
| 3862 # ifndef __EMX__ | |
| 3863 char_u *newcmd; /* only needed for unix */ | |
| 3864 # else | |
| 3865 /* | |
| 3866 * Set the preferred shell in the EMXSHELL environment variable (but | |
| 3867 * only if it is different from what is already in the environment). | |
| 3868 * Emx then takes care of whether to use "/c" or "-c" in an | |
| 3869 * intelligent way. Simply pass the whole thing to emx's system() call. | |
| 3870 * Emx also starts an interactive shell if system() is passed an empty | |
| 3871 * string. | |
| 3872 */ | |
| 3873 char_u *p, *old; | |
| 3874 | |
| 3875 if (((old = (char_u *)getenv("EMXSHELL")) == NULL) || STRCMP(old, p_sh)) | |
| 3876 { | |
| 3877 /* should check HAVE_SETENV, but I know we don't have it. */ | |
| 3878 p = alloc(10 + strlen(p_sh)); | |
| 3879 if (p) | |
| 3880 { | |
| 3881 sprintf((char *)p, "EMXSHELL=%s", p_sh); | |
| 3882 putenv((char *)p); /* don't free the pointer! */ | |
| 3883 } | |
| 3884 } | |
| 3885 # endif | |
| 3886 | |
| 3887 out_flush(); | |
| 3888 | |
| 3889 if (options & SHELL_COOKED) | |
| 3890 settmode(TMODE_COOK); /* set to normal mode */ | |
| 3891 | |
| 2586 | 3892 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 4209 | 3893 save_clipboard(); |
| 2586 | 3894 loose_clipboard(); |
| 3895 # endif | |
| 3896 | |
| 7 | 3897 # ifdef __EMX__ |
| 3898 if (cmd == NULL) | |
| 3899 x = system(""); /* this starts an interactive shell in emx */ | |
| 3900 else | |
| 3901 x = system((char *)cmd); | |
| 3902 /* system() returns -1 when error occurs in starting shell */ | |
| 3903 if (x == -1 && !emsg_silent) | |
| 3904 { | |
| 3905 MSG_PUTS(_("\nCannot execute shell ")); | |
| 3906 msg_outtrans(p_sh); | |
| 3907 msg_putchar('\n'); | |
| 3908 } | |
| 3909 # else /* not __EMX__ */ | |
| 3910 if (cmd == NULL) | |
| 3911 x = system((char *)p_sh); | |
| 3912 else | |
| 3913 { | |
| 3914 # ifdef VMS | |
| 3915 if (ofn = strchr((char *)cmd, '>')) | |
| 3916 *ofn++ = '\0'; | |
| 3917 if (ifn = strchr((char *)cmd, '<')) | |
| 3918 { | |
| 3919 char *p; | |
| 3920 | |
| 3921 *ifn++ = '\0'; | |
| 3922 p = strchr(ifn,' '); /* chop off any trailing spaces */ | |
| 3923 if (p) | |
| 3924 *p = '\0'; | |
| 3925 } | |
| 3926 if (ofn) | |
| 3927 x = vms_sys((char *)cmd, ofn, ifn); | |
| 3928 else | |
| 3929 x = system((char *)cmd); | |
| 3930 # else | |
| 3931 newcmd = lalloc(STRLEN(p_sh) | |
| 3932 + (extra_shell_arg == NULL ? 0 : STRLEN(extra_shell_arg)) | |
| 3933 + STRLEN(p_shcf) + STRLEN(cmd) + 4, TRUE); | |
| 3934 if (newcmd == NULL) | |
| 3935 x = 0; | |
| 3936 else | |
| 3937 { | |
| 3938 sprintf((char *)newcmd, "%s %s %s %s", p_sh, | |
| 3939 extra_shell_arg == NULL ? "" : (char *)extra_shell_arg, | |
| 3940 (char *)p_shcf, | |
| 3941 (char *)cmd); | |
| 3942 x = system((char *)newcmd); | |
| 3943 vim_free(newcmd); | |
| 3944 } | |
| 3945 # endif | |
| 3946 } | |
| 3947 # ifdef VMS | |
| 3948 x = vms_sys_status(x); | |
| 3949 # endif | |
| 3950 if (emsg_silent) | |
| 3951 ; | |
| 3952 else if (x == 127) | |
| 3953 MSG_PUTS(_("\nCannot execute shell sh\n")); | |
| 3954 # endif /* __EMX__ */ | |
| 3955 else if (x && !(options & SHELL_SILENT)) | |
| 3956 { | |
| 3957 MSG_PUTS(_("\nshell returned ")); | |
| 3958 msg_outnum((long)x); | |
| 3959 msg_putchar('\n'); | |
| 3960 } | |
| 3961 | |
| 3962 if (tmode == TMODE_RAW) | |
| 3963 settmode(TMODE_RAW); /* set to raw mode */ | |
| 3964 # ifdef FEAT_TITLE | |
| 3965 resettitle(); | |
| 3966 # endif | |
| 4209 | 3967 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 3968 restore_clipboard(); | |
| 3969 # endif | |
| 7 | 3970 return x; |
| 3971 | |
| 3972 #else /* USE_SYSTEM */ /* don't use system(), use fork()/exec() */ | |
| 3973 | |
| 167 | 3974 # define EXEC_FAILED 122 /* Exit code when shell didn't execute. Don't use |
| 3975 127, some shells use that already */ | |
| 7 | 3976 |
| 3977 char_u *newcmd = NULL; | |
| 3978 pid_t pid; | |
| 167 | 3979 pid_t wpid = 0; |
| 7 | 3980 pid_t wait_pid = 0; |
| 3981 # ifdef HAVE_UNION_WAIT | |
| 3982 union wait status; | |
| 3983 # else | |
| 3984 int status = -1; | |
| 3985 # endif | |
| 3986 int retval = -1; | |
| 3987 char **argv = NULL; | |
| 3988 int argc; | |
| 2994 | 3989 char_u *p_shcf_copy = NULL; |
| 7 | 3990 int i; |
| 3991 char_u *p; | |
| 3992 int inquote; | |
| 167 | 3993 int pty_master_fd = -1; /* for pty's */ |
| 7 | 3994 # ifdef FEAT_GUI |
| 3995 int pty_slave_fd = -1; | |
| 3996 char *tty_name; | |
| 167 | 3997 # endif |
| 602 | 3998 int fd_toshell[2]; /* for pipes */ |
| 7 | 3999 int fd_fromshell[2]; |
| 4000 int pipe_error = FALSE; | |
| 167 | 4001 # ifdef HAVE_SETENV |
| 7 | 4002 char envbuf[50]; |
| 167 | 4003 # else |
| 7 | 4004 static char envbuf_Rows[20]; |
| 4005 static char envbuf_Columns[20]; | |
| 4006 # endif | |
| 602 | 4007 int did_settmode = FALSE; /* settmode(TMODE_RAW) called */ |
| 7 | 4008 |
| 2586 | 4009 newcmd = vim_strsave(p_sh); |
| 4010 if (newcmd == NULL) /* out of memory */ | |
| 4011 goto error; | |
| 4012 | |
| 7 | 4013 out_flush(); |
| 4014 if (options & SHELL_COOKED) | |
| 4015 settmode(TMODE_COOK); /* set to normal mode */ | |
| 4016 | |
| 602 | 4017 /* |
| 4018 * Do this loop twice: | |
| 4019 * 1: find number of arguments | |
| 4020 * 2: separate them and build argv[] | |
| 4021 */ | |
| 7 | 4022 for (i = 0; i < 2; ++i) |
| 4023 { | |
| 4024 p = newcmd; | |
| 4025 inquote = FALSE; | |
| 4026 argc = 0; | |
| 4027 for (;;) | |
| 4028 { | |
| 4029 if (i == 1) | |
| 4030 argv[argc] = (char *)p; | |
| 4031 ++argc; | |
| 4032 while (*p && (inquote || (*p != ' ' && *p != TAB))) | |
| 4033 { | |
| 4034 if (*p == '"') | |
| 4035 inquote = !inquote; | |
| 4036 ++p; | |
| 4037 } | |
| 4038 if (*p == NUL) | |
| 4039 break; | |
| 4040 if (i == 1) | |
| 4041 *p++ = NUL; | |
| 4042 p = skipwhite(p); | |
| 4043 } | |
| 840 | 4044 if (argv == NULL) |
| 7 | 4045 { |
| 2994 | 4046 /* |
| 4047 * Account for possible multiple args in p_shcf. | |
| 4048 */ | |
| 4049 p = p_shcf; | |
| 4050 for (;;) | |
| 4051 { | |
| 4052 p = skiptowhite(p); | |
| 4053 if (*p == NUL) | |
| 4054 break; | |
| 4055 ++argc; | |
| 4056 p = skipwhite(p); | |
| 4057 } | |
| 4058 | |
| 7 | 4059 argv = (char **)alloc((unsigned)((argc + 4) * sizeof(char *))); |
| 4060 if (argv == NULL) /* out of memory */ | |
| 4061 goto error; | |
| 4062 } | |
| 4063 } | |
| 4064 if (cmd != NULL) | |
| 4065 { | |
| 3263 | 4066 char_u *s; |
| 4067 | |
| 7 | 4068 if (extra_shell_arg != NULL) |
| 4069 argv[argc++] = (char *)extra_shell_arg; | |
| 2994 | 4070 |
| 4071 /* Break 'shellcmdflag' into white separated parts. This doesn't | |
| 4072 * handle quoted strings, they are very unlikely to appear. */ | |
| 4073 p_shcf_copy = alloc((unsigned)STRLEN(p_shcf) + 1); | |
| 4074 if (p_shcf_copy == NULL) /* out of memory */ | |
| 4075 goto error; | |
| 4076 s = p_shcf_copy; | |
| 4077 p = p_shcf; | |
| 4078 while (*p != NUL) | |
| 4079 { | |
| 4080 argv[argc++] = (char *)s; | |
| 4081 while (*p && *p != ' ' && *p != TAB) | |
| 4082 *s++ = *p++; | |
| 4083 *s++ = NUL; | |
| 4084 p = skipwhite(p); | |
| 4085 } | |
| 4086 | |
| 7 | 4087 argv[argc++] = (char *)cmd; |
| 4088 } | |
| 4089 argv[argc] = NULL; | |
| 4090 | |
| 167 | 4091 /* |
| 4092 * For the GUI, when writing the output into the buffer and when reading | |
| 4093 * input from the buffer: Try using a pseudo-tty to get the stdin/stdout | |
| 4094 * of the executed command into the Vim window. Or use a pipe. | |
| 4095 */ | |
| 4096 if ((options & (SHELL_READ|SHELL_WRITE)) | |
| 7 | 4097 # ifdef FEAT_GUI |
| 167 | 4098 || (gui.in_use && show_shell_mess) |
| 4099 # endif | |
| 4100 ) | |
| 7 | 4101 { |
| 167 | 4102 # ifdef FEAT_GUI |
| 7 | 4103 /* |
| 4104 * Try to open a master pty. | |
| 4105 * If this works, open the slave pty. | |
| 4106 * If the slave can't be opened, close the master pty. | |
| 4107 */ | |
| 167 | 4108 if (p_guipty && !(options & (SHELL_READ|SHELL_WRITE))) |
| 7 | 4109 { |
| 4110 pty_master_fd = OpenPTY(&tty_name); /* open pty */ | |
| 2992 | 4111 if (pty_master_fd >= 0) |
| 7 | 4112 { |
| 2992 | 4113 /* Leaving out O_NOCTTY may lead to waitpid() always returning |
| 4114 * 0 on Mac OS X 10.7 thereby causing freezes. Let's assume | |
| 4115 * adding O_NOCTTY always works when defined. */ | |
| 4116 #ifdef O_NOCTTY | |
| 4117 pty_slave_fd = open(tty_name, O_RDWR | O_NOCTTY | O_EXTRA, 0); | |
| 4118 #else | |
| 4119 pty_slave_fd = open(tty_name, O_RDWR | O_EXTRA, 0); | |
| 4120 #endif | |
| 4121 if (pty_slave_fd < 0) | |
| 4122 { | |
| 4123 close(pty_master_fd); | |
| 4124 pty_master_fd = -1; | |
| 4125 } | |
| 7 | 4126 } |
| 4127 } | |
| 4128 /* | |
| 4129 * If not opening a pty or it didn't work, try using pipes. | |
| 4130 */ | |
| 4131 if (pty_master_fd < 0) | |
| 167 | 4132 # endif |
| 7 | 4133 { |
| 4134 pipe_error = (pipe(fd_toshell) < 0); | |
| 4135 if (!pipe_error) /* pipe create OK */ | |
| 4136 { | |
| 4137 pipe_error = (pipe(fd_fromshell) < 0); | |
| 4138 if (pipe_error) /* pipe create failed */ | |
| 4139 { | |
| 4140 close(fd_toshell[0]); | |
| 4141 close(fd_toshell[1]); | |
| 4142 } | |
| 4143 } | |
| 4144 if (pipe_error) | |
| 4145 { | |
| 4146 MSG_PUTS(_("\nCannot create pipes\n")); | |
| 4147 out_flush(); | |
| 4148 } | |
| 4149 } | |
| 4150 } | |
| 4151 | |
| 4152 if (!pipe_error) /* pty or pipe opened or not used */ | |
| 4153 { | |
| 4154 # ifdef __BEOS__ | |
| 4155 beos_cleanup_read_thread(); | |
| 4156 # endif | |
| 602 | 4157 |
| 7 | 4158 if ((pid = fork()) == -1) /* maybe we should use vfork() */ |
| 4159 { | |
| 4160 MSG_PUTS(_("\nCannot fork\n")); | |
| 167 | 4161 if ((options & (SHELL_READ|SHELL_WRITE)) |
| 7 | 4162 # ifdef FEAT_GUI |
| 167 | 4163 || (gui.in_use && show_shell_mess) |
| 4164 # endif | |
| 4165 ) | |
| 7 | 4166 { |
| 167 | 4167 # ifdef FEAT_GUI |
| 7 | 4168 if (pty_master_fd >= 0) /* close the pseudo tty */ |
| 4169 { | |
| 4170 close(pty_master_fd); | |
| 4171 close(pty_slave_fd); | |
| 4172 } | |
| 4173 else /* close the pipes */ | |
| 167 | 4174 # endif |
| 7 | 4175 { |
| 4176 close(fd_toshell[0]); | |
| 4177 close(fd_toshell[1]); | |
| 4178 close(fd_fromshell[0]); | |
| 4179 close(fd_fromshell[1]); | |
| 4180 } | |
| 4181 } | |
| 4182 } | |
| 4183 else if (pid == 0) /* child */ | |
| 4184 { | |
| 4185 reset_signals(); /* handle signals normally */ | |
| 4186 | |
| 4187 if (!show_shell_mess || (options & SHELL_EXPAND)) | |
| 4188 { | |
| 4189 int fd; | |
| 4190 | |
| 4191 /* | |
| 4192 * Don't want to show any message from the shell. Can't just | |
| 4193 * close stdout and stderr though, because some systems will | |
| 4194 * break if you try to write to them after that, so we must | |
| 4195 * use dup() to replace them with something else -- webb | |
| 4196 * Connect stdin to /dev/null too, so ":n `cat`" doesn't hang, | |
| 4197 * waiting for input. | |
| 4198 */ | |
| 4199 fd = open("/dev/null", O_RDWR | O_EXTRA, 0); | |
| 4200 fclose(stdin); | |
| 4201 fclose(stdout); | |
| 4202 fclose(stderr); | |
| 4203 | |
| 4204 /* | |
| 4205 * If any of these open()'s and dup()'s fail, we just continue | |
| 4206 * anyway. It's not fatal, and on most systems it will make | |
| 4207 * no difference at all. On a few it will cause the execvp() | |
| 4208 * to exit with a non-zero status even when the completion | |
| 4209 * could be done, which is nothing too serious. If the open() | |
| 4210 * or dup() failed we'd just do the same thing ourselves | |
| 4211 * anyway -- webb | |
| 4212 */ | |
| 4213 if (fd >= 0) | |
| 4214 { | |
| 1757 | 4215 ignored = dup(fd); /* To replace stdin (fd 0) */ |
| 4216 ignored = dup(fd); /* To replace stdout (fd 1) */ | |
| 4217 ignored = dup(fd); /* To replace stderr (fd 2) */ | |
| 7 | 4218 |
| 4219 /* Don't need this now that we've duplicated it */ | |
| 4220 close(fd); | |
| 4221 } | |
| 4222 } | |
| 167 | 4223 else if ((options & (SHELL_READ|SHELL_WRITE)) |
| 7 | 4224 # ifdef FEAT_GUI |
| 167 | 4225 || gui.in_use |
| 4226 # endif | |
| 4227 ) | |
| 7 | 4228 { |
| 4229 | |
| 167 | 4230 # ifdef HAVE_SETSID |
| 602 | 4231 /* Create our own process group, so that the child and all its |
| 4232 * children can be kill()ed. Don't do this when using pipes, | |
| 1698 | 4233 * because stdin is not a tty, we would lose /dev/tty. */ |
| 602 | 4234 if (p_stmp) |
| 1799 | 4235 { |
| 602 | 4236 (void)setsid(); |
| 1799 | 4237 # if defined(SIGHUP) |
| 4238 /* When doing "!xterm&" and 'shell' is bash: the shell | |
| 4239 * will exit and send SIGHUP to all processes in its | |
| 4240 * group, killing the just started process. Ignore SIGHUP | |
| 4241 * to avoid that. (suggested by Simon Schubert) | |
| 4242 */ | |
| 4243 signal(SIGHUP, SIG_IGN); | |
| 4244 # endif | |
| 4245 } | |
| 167 | 4246 # endif |
| 4247 # ifdef FEAT_GUI | |
| 602 | 4248 if (pty_slave_fd >= 0) |
| 4249 { | |
| 4250 /* push stream discipline modules */ | |
| 4251 if (options & SHELL_COOKED) | |
| 4252 SetupSlavePTY(pty_slave_fd); | |
| 7 | 4253 # ifdef TIOCSCTTY |
| 602 | 4254 /* Try to become controlling tty (probably doesn't work, |
| 4255 * unless run by root) */ | |
| 4256 ioctl(pty_slave_fd, TIOCSCTTY, (char *)NULL); | |
| 7 | 4257 # endif |
| 602 | 4258 } |
| 167 | 4259 # endif |
| 7 | 4260 /* Simulate to have a dumb terminal (for now) */ |
| 167 | 4261 # ifdef HAVE_SETENV |
| 7 | 4262 setenv("TERM", "dumb", 1); |
| 4263 sprintf((char *)envbuf, "%ld", Rows); | |
| 4264 setenv("ROWS", (char *)envbuf, 1); | |
| 4265 sprintf((char *)envbuf, "%ld", Rows); | |
| 4266 setenv("LINES", (char *)envbuf, 1); | |
| 4267 sprintf((char *)envbuf, "%ld", Columns); | |
| 4268 setenv("COLUMNS", (char *)envbuf, 1); | |
| 167 | 4269 # else |
| 7 | 4270 /* |
| 4271 * Putenv does not copy the string, it has to remain valid. | |
| 1698 | 4272 * Use a static array to avoid losing allocated memory. |
| 7 | 4273 */ |
| 4274 putenv("TERM=dumb"); | |
| 4275 sprintf(envbuf_Rows, "ROWS=%ld", Rows); | |
| 4276 putenv(envbuf_Rows); | |
| 4277 sprintf(envbuf_Rows, "LINES=%ld", Rows); | |
| 4278 putenv(envbuf_Rows); | |
| 4279 sprintf(envbuf_Columns, "COLUMNS=%ld", Columns); | |
| 4280 putenv(envbuf_Columns); | |
| 167 | 4281 # endif |
| 4282 | |
| 557 | 4283 /* |
| 4284 * stderr is only redirected when using the GUI, so that a | |
| 4285 * program like gpg can still access the terminal to get a | |
| 4286 * passphrase using stderr. | |
| 4287 */ | |
| 167 | 4288 # ifdef FEAT_GUI |
| 7 | 4289 if (pty_master_fd >= 0) |
| 4290 { | |
| 4291 close(pty_master_fd); /* close master side of pty */ | |
| 4292 | |
| 4293 /* set up stdin/stdout/stderr for the child */ | |
| 4294 close(0); | |
| 1757 | 4295 ignored = dup(pty_slave_fd); |
| 7 | 4296 close(1); |
| 1757 | 4297 ignored = dup(pty_slave_fd); |
| 557 | 4298 if (gui.in_use) |
| 4299 { | |
| 4300 close(2); | |
| 1757 | 4301 ignored = dup(pty_slave_fd); |
| 557 | 4302 } |
| 7 | 4303 |
| 4304 close(pty_slave_fd); /* has been dupped, close it now */ | |
| 4305 } | |
| 4306 else | |
| 167 | 4307 # endif |
| 7 | 4308 { |
| 4309 /* set up stdin for the child */ | |
| 4310 close(fd_toshell[1]); | |
| 4311 close(0); | |
| 1757 | 4312 ignored = dup(fd_toshell[0]); |
| 7 | 4313 close(fd_toshell[0]); |
| 4314 | |
| 4315 /* set up stdout for the child */ | |
| 4316 close(fd_fromshell[0]); | |
| 4317 close(1); | |
| 1757 | 4318 ignored = dup(fd_fromshell[1]); |
| 7 | 4319 close(fd_fromshell[1]); |
| 4320 | |
| 557 | 4321 # ifdef FEAT_GUI |
| 4322 if (gui.in_use) | |
| 4323 { | |
| 4324 /* set up stderr for the child */ | |
| 4325 close(2); | |
| 1757 | 4326 ignored = dup(1); |
| 557 | 4327 } |
| 4328 # endif | |
| 7 | 4329 } |
| 4330 } | |
| 167 | 4331 |
| 7 | 4332 /* |
| 4333 * There is no type cast for the argv, because the type may be | |
| 4334 * different on different machines. This may cause a warning | |
| 4335 * message with strict compilers, don't worry about it. | |
| 4336 * Call _exit() instead of exit() to avoid closing the connection | |
| 4337 * to the X server (esp. with GTK, which uses atexit()). | |
| 4338 */ | |
| 4339 execvp(argv[0], argv); | |
| 4340 _exit(EXEC_FAILED); /* exec failed, return failure code */ | |
| 4341 } | |
| 4342 else /* parent */ | |
| 4343 { | |
| 4344 /* | |
| 4345 * While child is running, ignore terminating signals. | |
| 167 | 4346 * Do catch CTRL-C, so that "got_int" is set. |
| 7 | 4347 */ |
| 4348 catch_signals(SIG_IGN, SIG_ERR); | |
| 167 | 4349 catch_int_signal(); |
| 7 | 4350 |
| 4351 /* | |
| 4352 * For the GUI we redirect stdin, stdout and stderr to our window. | |
| 167 | 4353 * This is also used to pipe stdin/stdout to/from the external |
| 4354 * command. | |
| 7 | 4355 */ |
| 167 | 4356 if ((options & (SHELL_READ|SHELL_WRITE)) |
| 4357 # ifdef FEAT_GUI | |
| 4358 || (gui.in_use && show_shell_mess) | |
| 4359 # endif | |
| 4360 ) | |
| 7 | 4361 { |
| 167 | 4362 # define BUFLEN 100 /* length for buffer, pseudo tty limit is 128 */ |
| 7 | 4363 char_u buffer[BUFLEN + 1]; |
| 167 | 4364 # ifdef FEAT_MBYTE |
| 7 | 4365 int buffer_off = 0; /* valid bytes in buffer[] */ |
| 167 | 4366 # endif |
| 7 | 4367 char_u ta_buf[BUFLEN + 1]; /* TypeAHead */ |
| 4368 int ta_len = 0; /* valid bytes in ta_buf[] */ | |
| 4369 int len; | |
| 4370 int p_more_save; | |
| 4371 int old_State; | |
| 4372 int c; | |
| 4373 int toshell_fd; | |
| 4374 int fromshell_fd; | |
| 167 | 4375 garray_T ga; |
| 4376 int noread_cnt; | |
| 1823 | 4377 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
| 4378 struct timeval start_tv; | |
| 4379 # endif | |
| 167 | 4380 |
| 4381 # ifdef FEAT_GUI | |
| 7 | 4382 if (pty_master_fd >= 0) |
| 4383 { | |
| 4384 fromshell_fd = pty_master_fd; | |
| 4385 toshell_fd = dup(pty_master_fd); | |
| 4386 } | |
| 4387 else | |
| 167 | 4388 # endif |
| 7 | 4389 { |
| 4390 close(fd_toshell[0]); | |
| 4391 close(fd_fromshell[1]); | |
| 4392 toshell_fd = fd_toshell[1]; | |
| 4393 fromshell_fd = fd_fromshell[0]; | |
| 4394 } | |
| 4395 | |
| 4396 /* | |
| 4397 * Write to the child if there are typed characters. | |
| 4398 * Read from the child if there are characters available. | |
| 4399 * Repeat the reading a few times if more characters are | |
| 4400 * available. Need to check for typed keys now and then, but | |
| 4401 * not too often (delays when no chars are available). | |
| 4402 * This loop is quit if no characters can be read from the pty | |
| 4403 * (WaitForChar detected special condition), or there are no | |
| 4404 * characters available and the child has exited. | |
| 4405 * Only check if the child has exited when there is no more | |
| 4406 * output. The child may exit before all the output has | |
| 4407 * been printed. | |
| 4408 * | |
| 4409 * Currently this busy loops! | |
| 4410 * This can probably dead-lock when the write blocks! | |
| 4411 */ | |
| 4412 p_more_save = p_more; | |
| 4413 p_more = FALSE; | |
| 4414 old_State = State; | |
| 4415 State = EXTERNCMD; /* don't redraw at window resize */ | |
| 4416 | |
| 602 | 4417 if ((options & SHELL_WRITE) && toshell_fd >= 0) |
| 167 | 4418 { |
| 4419 /* Fork a process that will write the lines to the | |
| 4420 * external program. */ | |
| 4421 if ((wpid = fork()) == -1) | |
| 4422 { | |
| 4423 MSG_PUTS(_("\nCannot fork\n")); | |
| 4424 } | |
| 3048 | 4425 else if (wpid == 0) /* child */ |
| 167 | 4426 { |
| 4427 linenr_T lnum = curbuf->b_op_start.lnum; | |
| 4428 int written = 0; | |
| 944 | 4429 char_u *lp = ml_get(lnum); |
| 167 | 4430 size_t l; |
| 4431 | |
| 177 | 4432 close(fromshell_fd); |
| 167 | 4433 for (;;) |
| 4434 { | |
| 944 | 4435 l = STRLEN(lp + written); |
| 167 | 4436 if (l == 0) |
| 4437 len = 0; | |
| 944 | 4438 else if (lp[written] == NL) |
| 167 | 4439 /* NL -> NUL translation */ |
| 4440 len = write(toshell_fd, "", (size_t)1); | |
| 4441 else | |
| 4442 { | |
| 3263 | 4443 char_u *s = vim_strchr(lp + written, NL); |
| 4444 | |
| 944 | 4445 len = write(toshell_fd, (char *)lp + written, |
| 1877 | 4446 s == NULL ? l |
| 4447 : (size_t)(s - (lp + written))); | |
| 167 | 4448 } |
| 1877 | 4449 if (len == (int)l) |
| 167 | 4450 { |
| 4451 /* Finished a line, add a NL, unless this line | |
| 4452 * should not have one. */ | |
| 4453 if (lnum != curbuf->b_op_end.lnum | |
| 4454 || !curbuf->b_p_bin | |
| 2707 | 4455 || (lnum != curbuf->b_no_eol_lnum |
| 167 | 4456 && (lnum != |
| 4457 curbuf->b_ml.ml_line_count | |
| 4458 || curbuf->b_p_eol))) | |
| 1757 | 4459 ignored = write(toshell_fd, "\n", |
| 4460 (size_t)1); | |
| 167 | 4461 ++lnum; |
| 4462 if (lnum > curbuf->b_op_end.lnum) | |
| 4463 { | |
| 4464 /* finished all the lines, close pipe */ | |
| 4465 close(toshell_fd); | |
| 4466 toshell_fd = -1; | |
| 4467 break; | |
| 4468 } | |
| 944 | 4469 lp = ml_get(lnum); |
| 167 | 4470 written = 0; |
| 4471 } | |
| 4472 else if (len > 0) | |
| 4473 written += len; | |
| 4474 } | |
| 4475 _exit(0); | |
| 4476 } | |
| 3048 | 4477 else /* parent */ |
| 167 | 4478 { |
| 4479 close(toshell_fd); | |
| 4480 toshell_fd = -1; | |
| 4481 } | |
| 4482 } | |
| 4483 | |
| 4484 if (options & SHELL_READ) | |
| 4485 ga_init2(&ga, 1, BUFLEN); | |
| 4486 | |
| 4487 noread_cnt = 0; | |
| 1823 | 4488 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
| 4489 gettimeofday(&start_tv, NULL); | |
| 4490 # endif | |
| 7 | 4491 for (;;) |
| 4492 { | |
| 4493 /* | |
| 4494 * Check if keys have been typed, write them to the child | |
| 592 | 4495 * if there are any. |
| 4496 * Don't do this if we are expanding wild cards (would eat | |
| 4497 * typeahead). | |
| 4498 * Don't do this when filtering and terminal is in cooked | |
| 4499 * mode, the shell command will handle the I/O. Avoids | |
| 4500 * that a typed password is echoed for ssh or gpg command. | |
| 602 | 4501 * Don't get characters when the child has already |
| 4502 * finished (wait_pid == 0). | |
| 167 | 4503 * Don't read characters unless we didn't get output for a |
| 1823 | 4504 * while (noread_cnt > 4), avoids that ":r !ls" eats |
| 4505 * typeahead. | |
| 7 | 4506 */ |
| 4507 len = 0; | |
| 4508 if (!(options & SHELL_EXPAND) | |
| 592 | 4509 && ((options & |
| 4510 (SHELL_READ|SHELL_WRITE|SHELL_COOKED)) | |
| 4511 != (SHELL_READ|SHELL_WRITE|SHELL_COOKED) | |
| 1823 | 4512 # ifdef FEAT_GUI |
| 592 | 4513 || gui.in_use |
| 1823 | 4514 # endif |
| 592 | 4515 ) |
| 602 | 4516 && wait_pid == 0 |
| 1823 | 4517 && (ta_len > 0 || noread_cnt > 4)) |
| 7 | 4518 { |
| 1823 | 4519 if (ta_len == 0) |
| 4520 { | |
| 4521 /* Get extra characters when we don't have any. | |
| 4522 * Reset the counter and timer. */ | |
| 4523 noread_cnt = 0; | |
| 4524 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 4525 gettimeofday(&start_tv, NULL); | |
| 4526 # endif | |
| 4527 len = ui_inchar(ta_buf, BUFLEN, 10L, 0); | |
| 4528 } | |
| 4529 if (ta_len > 0 || len > 0) | |
| 4530 { | |
| 7 | 4531 /* |
| 4532 * For pipes: | |
| 4533 * Check for CTRL-C: send interrupt signal to child. | |
| 4534 * Check for CTRL-D: EOF, close pipe to child. | |
| 4535 */ | |
| 4536 if (len == 1 && (pty_master_fd < 0 || cmd != NULL)) | |
| 4537 { | |
| 167 | 4538 # ifdef SIGINT |
| 7 | 4539 /* |
| 4540 * Send SIGINT to the child's group or all | |
| 4541 * processes in our group. | |
| 4542 */ | |
| 4543 if (ta_buf[ta_len] == Ctrl_C | |
| 4544 || ta_buf[ta_len] == intr_char) | |
| 167 | 4545 { |
| 4546 # ifdef HAVE_SETSID | |
| 7 | 4547 kill(-pid, SIGINT); |
| 167 | 4548 # else |
| 7 | 4549 kill(0, SIGINT); |
| 4550 # endif | |
| 167 | 4551 if (wpid > 0) |
| 4552 kill(wpid, SIGINT); | |
| 4553 } | |
| 4554 # endif | |
| 7 | 4555 if (pty_master_fd < 0 && toshell_fd >= 0 |
| 4556 && ta_buf[ta_len] == Ctrl_D) | |
| 4557 { | |
| 4558 close(toshell_fd); | |
| 4559 toshell_fd = -1; | |
| 4560 } | |
| 4561 } | |
| 4562 | |
| 4563 /* replace K_BS by <BS> and K_DEL by <DEL> */ | |
| 4564 for (i = ta_len; i < ta_len + len; ++i) | |
| 4565 { | |
| 4566 if (ta_buf[i] == CSI && len - i > 2) | |
| 4567 { | |
| 4568 c = TERMCAP2KEY(ta_buf[i + 1], ta_buf[i + 2]); | |
| 4569 if (c == K_DEL || c == K_KDEL || c == K_BS) | |
| 4570 { | |
| 4571 mch_memmove(ta_buf + i + 1, ta_buf + i + 3, | |
| 4572 (size_t)(len - i - 2)); | |
| 4573 if (c == K_DEL || c == K_KDEL) | |
| 4574 ta_buf[i] = DEL; | |
| 4575 else | |
| 4576 ta_buf[i] = Ctrl_H; | |
| 4577 len -= 2; | |
| 4578 } | |
| 4579 } | |
| 4580 else if (ta_buf[i] == '\r') | |
| 4581 ta_buf[i] = '\n'; | |
| 167 | 4582 # ifdef FEAT_MBYTE |
| 7 | 4583 if (has_mbyte) |
| 1903 | 4584 i += (*mb_ptr2len_len)(ta_buf + i, |
| 4585 ta_len + len - i) - 1; | |
| 167 | 4586 # endif |
| 7 | 4587 } |
| 4588 | |
| 4589 /* | |
| 4590 * For pipes: echo the typed characters. | |
| 4591 * For a pty this does not seem to work. | |
| 4592 */ | |
| 4593 if (pty_master_fd < 0) | |
| 4594 { | |
| 4595 for (i = ta_len; i < ta_len + len; ++i) | |
| 4596 { | |
| 4597 if (ta_buf[i] == '\n' || ta_buf[i] == '\b') | |
| 4598 msg_putchar(ta_buf[i]); | |
| 167 | 4599 # ifdef FEAT_MBYTE |
| 7 | 4600 else if (has_mbyte) |
| 4601 { | |
| 474 | 4602 int l = (*mb_ptr2len)(ta_buf + i); |
| 7 | 4603 |
| 4604 msg_outtrans_len(ta_buf + i, l); | |
| 4605 i += l - 1; | |
| 4606 } | |
| 167 | 4607 # endif |
| 7 | 4608 else |
| 4609 msg_outtrans_len(ta_buf + i, 1); | |
| 4610 } | |
| 4611 windgoto(msg_row, msg_col); | |
| 4612 out_flush(); | |
| 4613 } | |
| 4614 | |
| 4615 ta_len += len; | |
| 4616 | |
| 4617 /* | |
| 4618 * Write the characters to the child, unless EOF has | |
| 4619 * been typed for pipes. Write one character at a | |
| 1698 | 4620 * time, to avoid losing too much typeahead. |
| 167 | 4621 * When writing buffer lines, drop the typed |
| 4622 * characters (only check for CTRL-C). | |
| 7 | 4623 */ |
| 167 | 4624 if (options & SHELL_WRITE) |
| 4625 ta_len = 0; | |
| 4626 else if (toshell_fd >= 0) | |
| 7 | 4627 { |
| 4628 len = write(toshell_fd, (char *)ta_buf, (size_t)1); | |
| 4629 if (len > 0) | |
| 4630 { | |
| 4631 ta_len -= len; | |
| 4632 mch_memmove(ta_buf, ta_buf + len, ta_len); | |
| 4633 } | |
| 4634 } | |
| 1823 | 4635 } |
| 7 | 4636 } |
| 4637 | |
| 167 | 4638 if (got_int) |
| 4639 { | |
| 4640 /* CTRL-C sends a signal to the child, we ignore it | |
| 4641 * ourselves */ | |
| 4642 # ifdef HAVE_SETSID | |
| 4643 kill(-pid, SIGINT); | |
| 4644 # else | |
| 4645 kill(0, SIGINT); | |
| 4646 # endif | |
| 4647 if (wpid > 0) | |
| 4648 kill(wpid, SIGINT); | |
| 4649 got_int = FALSE; | |
| 4650 } | |
| 4651 | |
| 7 | 4652 /* |
| 4653 * Check if the child has any characters to be printed. | |
| 4654 * Read them and write them to our window. Repeat this as | |
| 4655 * long as there is something to do, avoid the 10ms wait | |
| 4656 * for mch_inchar(), or sending typeahead characters to | |
| 4657 * the external process. | |
| 4658 * TODO: This should handle escape sequences, compatible | |
| 4659 * to some terminal (vt52?). | |
| 4660 */ | |
| 167 | 4661 ++noread_cnt; |
| 7 | 4662 while (RealWaitForChar(fromshell_fd, 10L, NULL)) |
| 4663 { | |
| 2664 | 4664 len = read_eintr(fromshell_fd, buffer |
| 167 | 4665 # ifdef FEAT_MBYTE |
| 7 | 4666 + buffer_off, (size_t)(BUFLEN - buffer_off) |
| 167 | 4667 # else |
| 7 | 4668 , (size_t)BUFLEN |
| 167 | 4669 # endif |
| 7 | 4670 ); |
| 4671 if (len <= 0) /* end of file or error */ | |
| 4672 goto finished; | |
| 167 | 4673 |
| 4674 noread_cnt = 0; | |
| 4675 if (options & SHELL_READ) | |
| 4676 { | |
| 4677 /* Do NUL -> NL translation, append NL separated | |
| 4678 * lines to the current buffer. */ | |
| 4679 for (i = 0; i < len; ++i) | |
| 4680 { | |
| 4681 if (buffer[i] == NL) | |
| 4682 append_ga_line(&ga); | |
| 4683 else if (buffer[i] == NUL) | |
| 4684 ga_append(&ga, NL); | |
| 4685 else | |
| 4686 ga_append(&ga, buffer[i]); | |
| 4687 } | |
| 4688 } | |
| 4689 # ifdef FEAT_MBYTE | |
| 4690 else if (has_mbyte) | |
| 7 | 4691 { |
| 4692 int l; | |
| 4693 | |
| 167 | 4694 len += buffer_off; |
| 4695 buffer[len] = NUL; | |
| 4696 | |
| 7 | 4697 /* Check if the last character in buffer[] is |
| 4698 * incomplete, keep these bytes for the next | |
| 4699 * round. */ | |
| 4700 for (p = buffer; p < buffer + len; p += l) | |
| 4701 { | |
| 474 | 4702 l = mb_cptr2len(p); |
| 7 | 4703 if (l == 0) |
| 4704 l = 1; /* NUL byte? */ | |
| 4705 else if (MB_BYTE2LEN(*p) != l) | |
| 4706 break; | |
| 4707 } | |
| 4708 if (p == buffer) /* no complete character */ | |
| 4709 { | |
| 4710 /* avoid getting stuck at an illegal byte */ | |
| 4711 if (len >= 12) | |
| 4712 ++p; | |
| 4713 else | |
| 4714 { | |
| 4715 buffer_off = len; | |
| 4716 continue; | |
| 4717 } | |
| 4718 } | |
| 4719 c = *p; | |
| 4720 *p = NUL; | |
| 4721 msg_puts(buffer); | |
| 4722 if (p < buffer + len) | |
| 4723 { | |
| 4724 *p = c; | |
| 4725 buffer_off = (buffer + len) - p; | |
| 4726 mch_memmove(buffer, p, buffer_off); | |
| 4727 continue; | |
| 4728 } | |
| 4729 buffer_off = 0; | |
| 4730 } | |
| 167 | 4731 # endif /* FEAT_MBYTE */ |
| 7 | 4732 else |
| 4733 { | |
| 4734 buffer[len] = NUL; | |
| 4735 msg_puts(buffer); | |
| 4736 } | |
| 4737 | |
| 4738 windgoto(msg_row, msg_col); | |
| 4739 cursor_on(); | |
| 4740 out_flush(); | |
| 4741 if (got_int) | |
| 4742 break; | |
| 1823 | 4743 |
| 4744 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 4745 { | |
| 4746 struct timeval now_tv; | |
| 4747 long msec; | |
| 4748 | |
| 4749 /* Avoid that we keep looping here without | |
| 4750 * checking for a CTRL-C for a long time. Don't | |
| 4751 * break out too often to avoid losing typeahead. */ | |
| 4752 gettimeofday(&now_tv, NULL); | |
| 4753 msec = (now_tv.tv_sec - start_tv.tv_sec) * 1000L | |
| 4754 + (now_tv.tv_usec - start_tv.tv_usec) / 1000L; | |
| 4755 if (msec > 2000) | |
| 4756 { | |
| 4757 noread_cnt = 5; | |
| 4758 break; | |
| 4759 } | |
| 4760 } | |
| 4761 # endif | |
| 7 | 4762 } |
| 4763 | |
| 602 | 4764 /* If we already detected the child has finished break the |
| 4765 * loop now. */ | |
| 4766 if (wait_pid == pid) | |
| 4767 break; | |
| 4768 | |
| 7 | 4769 /* |
| 4770 * Check if the child still exists, before checking for | |
| 1698 | 4771 * typed characters (otherwise we would lose typeahead). |
| 7 | 4772 */ |
| 167 | 4773 # ifdef __NeXT__ |
| 3048 | 4774 wait_pid = wait4(pid, &status, WNOHANG, (struct rusage *)0); |
| 167 | 4775 # else |
| 7 | 4776 wait_pid = waitpid(pid, &status, WNOHANG); |
| 167 | 4777 # endif |
| 7 | 4778 if ((wait_pid == (pid_t)-1 && errno == ECHILD) |
| 4779 || (wait_pid == pid && WIFEXITED(status))) | |
| 4780 { | |
| 602 | 4781 /* Don't break the loop yet, try reading more |
| 4782 * characters from "fromshell_fd" first. When using | |
| 4783 * pipes there might still be something to read and | |
| 4784 * then we'll break the loop at the "break" above. */ | |
| 7 | 4785 wait_pid = pid; |
| 4786 } | |
| 602 | 4787 else |
| 4788 wait_pid = 0; | |
| 4230 | 4789 |
| 4790 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) | |
| 4791 /* Handle any X events, e.g. serving the clipboard. */ | |
| 4792 clip_update(); | |
| 4793 # endif | |
| 7 | 4794 } |
| 4795 finished: | |
| 4796 p_more = p_more_save; | |
| 167 | 4797 if (options & SHELL_READ) |
| 4798 { | |
| 4799 if (ga.ga_len > 0) | |
| 4800 { | |
| 4801 append_ga_line(&ga); | |
| 4802 /* remember that the NL was missing */ | |
| 2707 | 4803 curbuf->b_no_eol_lnum = curwin->w_cursor.lnum; |
| 167 | 4804 } |
| 4805 else | |
| 2707 | 4806 curbuf->b_no_eol_lnum = 0; |
| 167 | 4807 ga_clear(&ga); |
| 4808 } | |
| 4809 | |
| 7 | 4810 /* |
| 4811 * Give all typeahead that wasn't used back to ui_inchar(). | |
| 4812 */ | |
| 4813 if (ta_len) | |
| 4814 ui_inchar_undo(ta_buf, ta_len); | |
| 4815 State = old_State; | |
| 4816 if (toshell_fd >= 0) | |
| 4817 close(toshell_fd); | |
| 4818 close(fromshell_fd); | |
| 4819 } | |
| 4230 | 4820 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 4821 else | |
| 4822 { | |
| 4823 /* | |
| 4824 * Similar to the loop above, but only handle X events, no | |
| 4825 * I/O. | |
| 4826 */ | |
| 4827 for (;;) | |
| 4828 { | |
| 4829 if (got_int) | |
| 4830 { | |
| 4831 /* CTRL-C sends a signal to the child, we ignore it | |
| 4832 * ourselves */ | |
| 4833 # ifdef HAVE_SETSID | |
| 4834 kill(-pid, SIGINT); | |
| 4835 # else | |
| 4836 kill(0, SIGINT); | |
| 4837 # endif | |
| 4838 got_int = FALSE; | |
| 4839 } | |
| 4840 # ifdef __NeXT__ | |
| 4841 wait_pid = wait4(pid, &status, WNOHANG, (struct rusage *)0); | |
| 4842 # else | |
| 4843 wait_pid = waitpid(pid, &status, WNOHANG); | |
| 4844 # endif | |
| 4845 if ((wait_pid == (pid_t)-1 && errno == ECHILD) | |
| 4846 || (wait_pid == pid && WIFEXITED(status))) | |
| 4847 { | |
| 4848 wait_pid = pid; | |
| 4849 break; | |
| 4850 } | |
| 4851 | |
| 4852 /* Handle any X events, e.g. serving the clipboard. */ | |
| 4853 clip_update(); | |
| 4854 | |
| 4855 mch_delay(10L, TRUE); | |
| 4856 } | |
| 4857 } | |
| 4858 # endif | |
| 7 | 4859 |
| 4860 /* | |
| 4861 * Wait until our child has exited. | |
| 4862 * Ignore wait() returning pids of other children and returning | |
| 4863 * because of some signal like SIGWINCH. | |
| 4864 * Don't wait if wait_pid was already set above, indicating the | |
| 4865 * child already exited. | |
| 4866 */ | |
| 3048 | 4867 if (wait_pid != pid) |
| 4868 wait_pid = wait4pid(pid, &status); | |
| 7 | 4869 |
| 2600 | 4870 # ifdef FEAT_GUI |
| 4871 /* Close slave side of pty. Only do this after the child has | |
| 4872 * exited, otherwise the child may hang when it tries to write on | |
| 4873 * the pty. */ | |
| 4874 if (pty_master_fd >= 0) | |
| 4875 close(pty_slave_fd); | |
| 4876 # endif | |
| 4877 | |
| 167 | 4878 /* Make sure the child that writes to the external program is |
| 4879 * dead. */ | |
| 4880 if (wpid > 0) | |
| 3048 | 4881 { |
| 167 | 4882 kill(wpid, SIGKILL); |
| 3048 | 4883 wait4pid(wpid, NULL); |
| 4884 } | |
| 167 | 4885 |
| 7 | 4886 /* |
| 4887 * Set to raw mode right now, otherwise a CTRL-C after | |
| 4888 * catch_signals() will kill Vim. | |
| 4889 */ | |
| 4890 if (tmode == TMODE_RAW) | |
| 4891 settmode(TMODE_RAW); | |
| 4892 did_settmode = TRUE; | |
| 4893 set_signals(); | |
| 4894 | |
| 4895 if (WIFEXITED(status)) | |
| 4896 { | |
| 129 | 4897 /* LINTED avoid "bitwise operation on signed value" */ |
| 7 | 4898 retval = WEXITSTATUS(status); |
| 4074 | 4899 if (retval != 0 && !emsg_silent) |
| 7 | 4900 { |
| 4901 if (retval == EXEC_FAILED) | |
| 4902 { | |
| 4903 MSG_PUTS(_("\nCannot execute shell ")); | |
| 4904 msg_outtrans(p_sh); | |
| 4905 msg_putchar('\n'); | |
| 4906 } | |
| 4907 else if (!(options & SHELL_SILENT)) | |
| 4908 { | |
| 4909 MSG_PUTS(_("\nshell returned ")); | |
| 4910 msg_outnum((long)retval); | |
| 4911 msg_putchar('\n'); | |
| 4912 } | |
| 4913 } | |
| 4914 } | |
| 4915 else | |
| 4916 MSG_PUTS(_("\nCommand terminated\n")); | |
| 4917 } | |
| 4918 } | |
| 4919 vim_free(argv); | |
| 2994 | 4920 vim_free(p_shcf_copy); |
| 7 | 4921 |
| 4922 error: | |
| 4923 if (!did_settmode) | |
| 4924 if (tmode == TMODE_RAW) | |
| 4925 settmode(TMODE_RAW); /* set to raw mode */ | |
| 4926 # ifdef FEAT_TITLE | |
| 4927 resettitle(); | |
| 4928 # endif | |
| 4929 vim_free(newcmd); | |
| 4930 | |
| 4931 return retval; | |
| 4932 | |
| 4933 #endif /* USE_SYSTEM */ | |
| 4934 } | |
| 4935 | |
| 4936 /* | |
| 4937 * Check for CTRL-C typed by reading all available characters. | |
| 4938 * In cooked mode we should get SIGINT, no need to check. | |
| 4939 */ | |
| 4940 void | |
| 4941 mch_breakcheck() | |
| 4942 { | |
| 4943 if (curr_tmode == TMODE_RAW && RealWaitForChar(read_cmd_fd, 0L, NULL)) | |
| 4944 fill_input_buf(FALSE); | |
| 4945 } | |
| 4946 | |
| 4947 /* | |
| 4948 * Wait "msec" msec until a character is available from the keyboard or from | |
| 4949 * inbuf[]. msec == -1 will block forever. | |
| 4950 * When a GUI is being used, this will never get called -- webb | |
| 4951 */ | |
| 4952 static int | |
| 4953 WaitForChar(msec) | |
| 4954 long msec; | |
| 4955 { | |
| 4956 #ifdef FEAT_MOUSE_GPM | |
| 4957 int gpm_process_wanted; | |
| 4958 #endif | |
| 4959 #ifdef FEAT_XCLIPBOARD | |
| 4960 int rest; | |
| 4961 #endif | |
| 4962 int avail; | |
| 4963 | |
| 4964 if (input_available()) /* something in inbuf[] */ | |
| 4965 return 1; | |
| 4966 | |
| 4967 #if defined(FEAT_MOUSE_DEC) | |
| 4968 /* May need to query the mouse position. */ | |
| 4969 if (WantQueryMouse) | |
| 4970 { | |
| 227 | 4971 WantQueryMouse = FALSE; |
| 7 | 4972 mch_write((char_u *)IF_EB("\033[1'|", ESC_STR "[1'|"), 5); |
| 4973 } | |
| 4974 #endif | |
| 4975 | |
| 4976 /* | |
| 4977 * For FEAT_MOUSE_GPM and FEAT_XCLIPBOARD we loop here to process mouse | |
| 4978 * events. This is a bit complicated, because they might both be defined. | |
| 4979 */ | |
| 4980 #if defined(FEAT_MOUSE_GPM) || defined(FEAT_XCLIPBOARD) | |
| 4981 # ifdef FEAT_XCLIPBOARD | |
| 4982 rest = 0; | |
| 4983 if (do_xterm_trace()) | |
| 4984 rest = msec; | |
| 4985 # endif | |
| 4986 do | |
| 4987 { | |
| 4988 # ifdef FEAT_XCLIPBOARD | |
| 4989 if (rest != 0) | |
| 4990 { | |
| 4991 msec = XT_TRACE_DELAY; | |
| 4992 if (rest >= 0 && rest < XT_TRACE_DELAY) | |
| 4993 msec = rest; | |
| 4994 if (rest >= 0) | |
| 4995 rest -= msec; | |
| 4996 } | |
| 4997 # endif | |
| 4998 # ifdef FEAT_MOUSE_GPM | |
| 4999 gpm_process_wanted = 0; | |
| 5000 avail = RealWaitForChar(read_cmd_fd, msec, &gpm_process_wanted); | |
| 5001 # else | |
| 5002 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
| 5003 # endif | |
| 5004 if (!avail) | |
| 5005 { | |
| 5006 if (input_available()) | |
| 5007 return 1; | |
| 5008 # ifdef FEAT_XCLIPBOARD | |
| 5009 if (rest == 0 || !do_xterm_trace()) | |
| 5010 # endif | |
| 5011 break; | |
| 5012 } | |
| 5013 } | |
| 5014 while (FALSE | |
| 5015 # ifdef FEAT_MOUSE_GPM | |
| 5016 || (gpm_process_wanted && mch_gpm_process() == 0) | |
| 5017 # endif | |
| 5018 # ifdef FEAT_XCLIPBOARD | |
| 5019 || (!avail && rest != 0) | |
| 5020 # endif | |
| 5021 ); | |
| 5022 | |
| 5023 #else | |
| 5024 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
| 5025 #endif | |
| 5026 return avail; | |
| 5027 } | |
| 5028 | |
| 5029 /* | |
| 5030 * Wait "msec" msec until a character is available from file descriptor "fd". | |
| 3046 | 5031 * "msec" == 0 will check for characters once. |
| 5032 * "msec" == -1 will block until a character is available. | |
| 7 | 5033 * When a GUI is being used, this will not be used for input -- webb |
| 5034 * Returns also, when a request from Sniff is waiting -- toni. | |
| 5035 * Or when a Linux GPM mouse event is waiting. | |
| 5036 */ | |
| 5037 #if defined(__BEOS__) | |
| 5038 int | |
| 5039 #else | |
| 5040 static int | |
| 5041 #endif | |
| 5042 RealWaitForChar(fd, msec, check_for_gpm) | |
| 5043 int fd; | |
| 5044 long msec; | |
| 1877 | 5045 int *check_for_gpm UNUSED; |
| 7 | 5046 { |
| 5047 int ret; | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5048 #ifdef FEAT_NETBEANS_INTG |
| 2210 | 5049 int nb_fd = netbeans_filedesc(); |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5050 #endif |
| 14 | 5051 #if defined(FEAT_XCLIPBOARD) || defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
| 7 | 5052 static int busy = FALSE; |
| 5053 | |
| 5054 /* May retry getting characters after an event was handled. */ | |
| 5055 # define MAY_LOOP | |
| 5056 | |
| 5057 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 5058 /* Remember at what time we started, so that we know how much longer we | |
| 5059 * should wait after being interrupted. */ | |
| 5060 # define USE_START_TV | |
| 5061 struct timeval start_tv; | |
| 5062 | |
| 5063 if (msec > 0 && ( | |
| 5064 # ifdef FEAT_XCLIPBOARD | |
| 5065 xterm_Shell != (Widget)0 | |
| 14 | 5066 # if defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
| 7 | 5067 || |
| 5068 # endif | |
| 5069 # endif | |
| 5070 # ifdef USE_XSMP | |
| 5071 xsmp_icefd != -1 | |
| 14 | 5072 # ifdef FEAT_MZSCHEME |
| 5073 || | |
| 5074 # endif | |
| 5075 # endif | |
| 5076 # ifdef FEAT_MZSCHEME | |
| 5077 (mzthreads_allowed() && p_mzq > 0) | |
| 7 | 5078 # endif |
| 5079 )) | |
| 5080 gettimeofday(&start_tv, NULL); | |
| 5081 # endif | |
| 5082 | |
| 5083 /* Handle being called recursively. This may happen for the session | |
| 5084 * manager stuff, it may save the file, which does a breakcheck. */ | |
| 5085 if (busy) | |
| 5086 return 0; | |
| 5087 #endif | |
| 5088 | |
| 5089 #ifdef MAY_LOOP | |
| 407 | 5090 for (;;) |
| 7 | 5091 #endif |
| 5092 { | |
| 5093 #ifdef MAY_LOOP | |
| 5094 int finished = TRUE; /* default is to 'loop' just once */ | |
| 14 | 5095 # ifdef FEAT_MZSCHEME |
| 5096 int mzquantum_used = FALSE; | |
| 5097 # endif | |
| 7 | 5098 #endif |
| 5099 #ifndef HAVE_SELECT | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5100 struct pollfd fds[6]; |
| 7 | 5101 int nfd; |
| 5102 # ifdef FEAT_XCLIPBOARD | |
| 5103 int xterm_idx = -1; | |
| 5104 # endif | |
| 5105 # ifdef FEAT_MOUSE_GPM | |
| 5106 int gpm_idx = -1; | |
| 5107 # endif | |
| 5108 # ifdef USE_XSMP | |
| 5109 int xsmp_idx = -1; | |
| 5110 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5111 # ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5112 int nb_idx = -1; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5113 # endif |
| 14 | 5114 int towait = (int)msec; |
| 5115 | |
| 5116 # ifdef FEAT_MZSCHEME | |
| 5117 mzvim_check_threads(); | |
| 5118 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
| 5119 { | |
| 5120 towait = (int)p_mzq; /* don't wait longer than 'mzquantum' */ | |
| 5121 mzquantum_used = TRUE; | |
| 5122 } | |
| 5123 # endif | |
| 7 | 5124 fds[0].fd = fd; |
| 5125 fds[0].events = POLLIN; | |
| 5126 nfd = 1; | |
| 5127 | |
| 5128 # ifdef FEAT_SNIFF | |
| 5129 # define SNIFF_IDX 1 | |
| 5130 if (want_sniff_request) | |
| 5131 { | |
| 5132 fds[SNIFF_IDX].fd = fd_from_sniff; | |
| 5133 fds[SNIFF_IDX].events = POLLIN; | |
| 5134 nfd++; | |
| 5135 } | |
| 5136 # endif | |
| 5137 # ifdef FEAT_XCLIPBOARD | |
| 5138 if (xterm_Shell != (Widget)0) | |
| 5139 { | |
| 5140 xterm_idx = nfd; | |
| 5141 fds[nfd].fd = ConnectionNumber(xterm_dpy); | |
| 5142 fds[nfd].events = POLLIN; | |
| 5143 nfd++; | |
| 5144 } | |
| 5145 # endif | |
| 5146 # ifdef FEAT_MOUSE_GPM | |
| 5147 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
| 5148 { | |
| 5149 gpm_idx = nfd; | |
| 5150 fds[nfd].fd = gpm_fd; | |
| 5151 fds[nfd].events = POLLIN; | |
| 5152 nfd++; | |
| 5153 } | |
| 5154 # endif | |
| 5155 # ifdef USE_XSMP | |
| 5156 if (xsmp_icefd != -1) | |
| 5157 { | |
| 5158 xsmp_idx = nfd; | |
| 5159 fds[nfd].fd = xsmp_icefd; | |
| 5160 fds[nfd].events = POLLIN; | |
| 5161 nfd++; | |
| 5162 } | |
| 5163 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5164 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5165 if (nb_fd != -1) |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5166 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5167 nb_idx = nfd; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5168 fds[nfd].fd = nb_fd; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5169 fds[nfd].events = POLLIN; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5170 nfd++; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5171 } |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5172 #endif |
| 7 | 5173 |
| 14 | 5174 ret = poll(fds, nfd, towait); |
| 5175 # ifdef FEAT_MZSCHEME | |
| 5176 if (ret == 0 && mzquantum_used) | |
| 1450 | 5177 /* MzThreads scheduling is required and timeout occurred */ |
| 14 | 5178 finished = FALSE; |
| 5179 # endif | |
| 7 | 5180 |
| 5181 # ifdef FEAT_SNIFF | |
| 5182 if (ret < 0) | |
| 5183 sniff_disconnect(1); | |
| 5184 else if (want_sniff_request) | |
| 5185 { | |
| 5186 if (fds[SNIFF_IDX].revents & POLLHUP) | |
| 5187 sniff_disconnect(1); | |
| 5188 if (fds[SNIFF_IDX].revents & POLLIN) | |
| 5189 sniff_request_waiting = 1; | |
| 5190 } | |
| 5191 # endif | |
| 5192 # ifdef FEAT_XCLIPBOARD | |
| 5193 if (xterm_Shell != (Widget)0 && (fds[xterm_idx].revents & POLLIN)) | |
| 5194 { | |
| 5195 xterm_update(); /* Maybe we should hand out clipboard */ | |
| 5196 if (--ret == 0 && !input_available()) | |
| 5197 /* Try again */ | |
| 5198 finished = FALSE; | |
| 5199 } | |
| 5200 # endif | |
| 5201 # ifdef FEAT_MOUSE_GPM | |
| 5202 if (gpm_idx >= 0 && (fds[gpm_idx].revents & POLLIN)) | |
| 5203 { | |
| 5204 *check_for_gpm = 1; | |
| 5205 } | |
| 5206 # endif | |
| 5207 # ifdef USE_XSMP | |
| 5208 if (xsmp_idx >= 0 && (fds[xsmp_idx].revents & (POLLIN | POLLHUP))) | |
| 5209 { | |
| 5210 if (fds[xsmp_idx].revents & POLLIN) | |
| 5211 { | |
| 5212 busy = TRUE; | |
| 5213 xsmp_handle_requests(); | |
| 5214 busy = FALSE; | |
| 5215 } | |
| 5216 else if (fds[xsmp_idx].revents & POLLHUP) | |
| 5217 { | |
| 5218 if (p_verbose > 0) | |
| 292 | 5219 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 5220 xsmp_close(); |
| 5221 } | |
| 5222 if (--ret == 0) | |
| 14 | 5223 finished = FALSE; /* Try again */ |
| 7 | 5224 } |
| 5225 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5226 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5227 if (ret > 0 && nb_idx != -1 && fds[nb_idx].revents & POLLIN) |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5228 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5229 netbeans_read(); |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5230 --ret; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5231 } |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5232 #endif |
| 7 | 5233 |
| 5234 | |
| 5235 #else /* HAVE_SELECT */ | |
| 5236 | |
| 5237 struct timeval tv; | |
| 14 | 5238 struct timeval *tvp; |
| 7 | 5239 fd_set rfds, efds; |
| 5240 int maxfd; | |
| 14 | 5241 long towait = msec; |
| 5242 | |
| 5243 # ifdef FEAT_MZSCHEME | |
| 5244 mzvim_check_threads(); | |
| 5245 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
| 5246 { | |
| 5247 towait = p_mzq; /* don't wait longer than 'mzquantum' */ | |
| 5248 mzquantum_used = TRUE; | |
| 5249 } | |
| 5250 # endif | |
| 7 | 5251 # ifdef __EMX__ |
| 5252 /* don't check for incoming chars if not in raw mode, because select() | |
| 5253 * always returns TRUE then (in some version of emx.dll) */ | |
| 5254 if (curr_tmode != TMODE_RAW) | |
| 5255 return 0; | |
| 5256 # endif | |
| 5257 | |
| 14 | 5258 if (towait >= 0) |
| 7 | 5259 { |
| 14 | 5260 tv.tv_sec = towait / 1000; |
| 5261 tv.tv_usec = (towait % 1000) * (1000000/1000); | |
| 5262 tvp = &tv; | |
| 7 | 5263 } |
| 14 | 5264 else |
| 5265 tvp = NULL; | |
| 7 | 5266 |
| 5267 /* | |
| 5268 * Select on ready for reading and exceptional condition (end of file). | |
| 5269 */ | |
| 3046 | 5270 select_eintr: |
| 5271 FD_ZERO(&rfds); | |
| 7 | 5272 FD_ZERO(&efds); |
| 5273 FD_SET(fd, &rfds); | |
| 5274 # if !defined(__QNX__) && !defined(__CYGWIN32__) | |
| 5275 /* For QNX select() always returns 1 if this is set. Why? */ | |
| 5276 FD_SET(fd, &efds); | |
| 5277 # endif | |
| 5278 maxfd = fd; | |
| 5279 | |
| 5280 # ifdef FEAT_SNIFF | |
| 5281 if (want_sniff_request) | |
| 5282 { | |
| 5283 FD_SET(fd_from_sniff, &rfds); | |
| 5284 FD_SET(fd_from_sniff, &efds); | |
| 5285 if (maxfd < fd_from_sniff) | |
| 5286 maxfd = fd_from_sniff; | |
| 5287 } | |
| 5288 # endif | |
| 5289 # ifdef FEAT_XCLIPBOARD | |
| 5290 if (xterm_Shell != (Widget)0) | |
| 5291 { | |
| 5292 FD_SET(ConnectionNumber(xterm_dpy), &rfds); | |
| 5293 if (maxfd < ConnectionNumber(xterm_dpy)) | |
| 5294 maxfd = ConnectionNumber(xterm_dpy); | |
| 3748 | 5295 |
| 5296 /* An event may have already been read but not handled. In | |
| 5297 * particulary, XFlush may cause this. */ | |
| 5298 xterm_update(); | |
| 7 | 5299 } |
| 5300 # endif | |
| 5301 # ifdef FEAT_MOUSE_GPM | |
| 5302 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
| 5303 { | |
| 5304 FD_SET(gpm_fd, &rfds); | |
| 5305 FD_SET(gpm_fd, &efds); | |
| 5306 if (maxfd < gpm_fd) | |
| 5307 maxfd = gpm_fd; | |
| 5308 } | |
| 5309 # endif | |
| 5310 # ifdef USE_XSMP | |
| 5311 if (xsmp_icefd != -1) | |
| 5312 { | |
| 5313 FD_SET(xsmp_icefd, &rfds); | |
| 5314 FD_SET(xsmp_icefd, &efds); | |
| 5315 if (maxfd < xsmp_icefd) | |
| 5316 maxfd = xsmp_icefd; | |
| 5317 } | |
| 5318 # endif | |
| 3748 | 5319 # ifdef FEAT_NETBEANS_INTG |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5320 if (nb_fd != -1) |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5321 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5322 FD_SET(nb_fd, &rfds); |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5323 if (maxfd < nb_fd) |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5324 maxfd = nb_fd; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5325 } |
| 3748 | 5326 # endif |
| 7 | 5327 |
| 5328 # ifdef OLD_VMS | |
| 5329 /* Old VMS as v6.2 and older have broken select(). It waits more than | |
| 5330 * required. Should not be used */ | |
| 5331 ret = 0; | |
| 5332 # else | |
| 14 | 5333 ret = select(maxfd + 1, &rfds, NULL, &efds, tvp); |
| 5334 # endif | |
| 3046 | 5335 # ifdef EINTR |
| 5336 if (ret == -1 && errno == EINTR) | |
| 3133 | 5337 { |
| 5338 /* Check whether window has been resized, EINTR may be caused by | |
| 5339 * SIGWINCH. */ | |
| 5340 if (do_resize) | |
| 5341 handle_resize(); | |
| 5342 | |
| 3046 | 5343 /* Interrupted by a signal, need to try again. We ignore msec |
| 5344 * here, because we do want to check even after a timeout if | |
| 5345 * characters are available. Needed for reading output of an | |
| 5346 * external command after the process has finished. */ | |
| 5347 goto select_eintr; | |
| 3133 | 5348 } |
| 3046 | 5349 # endif |
| 1076 | 5350 # ifdef __TANDEM |
| 5351 if (ret == -1 && errno == ENOTSUP) | |
| 5352 { | |
| 5353 FD_ZERO(&rfds); | |
| 5354 FD_ZERO(&efds); | |
| 5355 ret = 0; | |
| 5356 } | |
| 3046 | 5357 # endif |
| 14 | 5358 # ifdef FEAT_MZSCHEME |
| 5359 if (ret == 0 && mzquantum_used) | |
| 1450 | 5360 /* loop if MzThreads must be scheduled and timeout occurred */ |
| 14 | 5361 finished = FALSE; |
| 7 | 5362 # endif |
| 5363 | |
| 5364 # ifdef FEAT_SNIFF | |
| 5365 if (ret < 0 ) | |
| 5366 sniff_disconnect(1); | |
| 5367 else if (ret > 0 && want_sniff_request) | |
| 5368 { | |
| 5369 if (FD_ISSET(fd_from_sniff, &efds)) | |
| 5370 sniff_disconnect(1); | |
| 5371 if (FD_ISSET(fd_from_sniff, &rfds)) | |
| 5372 sniff_request_waiting = 1; | |
| 5373 } | |
| 5374 # endif | |
| 5375 # ifdef FEAT_XCLIPBOARD | |
| 5376 if (ret > 0 && xterm_Shell != (Widget)0 | |
| 5377 && FD_ISSET(ConnectionNumber(xterm_dpy), &rfds)) | |
| 5378 { | |
| 5379 xterm_update(); /* Maybe we should hand out clipboard */ | |
| 5380 /* continue looping when we only got the X event and the input | |
| 5381 * buffer is empty */ | |
| 5382 if (--ret == 0 && !input_available()) | |
| 5383 { | |
| 5384 /* Try again */ | |
| 5385 finished = FALSE; | |
| 5386 } | |
| 5387 } | |
| 5388 # endif | |
| 5389 # ifdef FEAT_MOUSE_GPM | |
| 5390 if (ret > 0 && gpm_flag && check_for_gpm != NULL && gpm_fd >= 0) | |
| 5391 { | |
| 5392 if (FD_ISSET(gpm_fd, &efds)) | |
| 5393 gpm_close(); | |
| 5394 else if (FD_ISSET(gpm_fd, &rfds)) | |
| 5395 *check_for_gpm = 1; | |
| 5396 } | |
| 5397 # endif | |
| 5398 # ifdef USE_XSMP | |
| 5399 if (ret > 0 && xsmp_icefd != -1) | |
| 5400 { | |
| 5401 if (FD_ISSET(xsmp_icefd, &efds)) | |
| 5402 { | |
| 5403 if (p_verbose > 0) | |
| 292 | 5404 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 5405 xsmp_close(); |
| 5406 if (--ret == 0) | |
| 5407 finished = FALSE; /* keep going if event was only one */ | |
| 5408 } | |
| 5409 else if (FD_ISSET(xsmp_icefd, &rfds)) | |
| 5410 { | |
| 5411 busy = TRUE; | |
| 5412 xsmp_handle_requests(); | |
| 5413 busy = FALSE; | |
| 5414 if (--ret == 0) | |
| 5415 finished = FALSE; /* keep going if event was only one */ | |
| 5416 } | |
| 5417 } | |
| 5418 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5419 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5420 if (ret > 0 && nb_fd != -1 && FD_ISSET(nb_fd, &rfds)) |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5421 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5422 netbeans_read(); |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5423 --ret; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5424 } |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5425 #endif |
| 7 | 5426 |
| 5427 #endif /* HAVE_SELECT */ | |
| 5428 | |
| 5429 #ifdef MAY_LOOP | |
| 5430 if (finished || msec == 0) | |
| 5431 break; | |
| 5432 | |
| 5433 /* We're going to loop around again, find out for how long */ | |
| 5434 if (msec > 0) | |
| 5435 { | |
| 5436 # ifdef USE_START_TV | |
| 5437 struct timeval mtv; | |
| 5438 | |
| 5439 /* Compute remaining wait time. */ | |
| 5440 gettimeofday(&mtv, NULL); | |
| 5441 msec -= (mtv.tv_sec - start_tv.tv_sec) * 1000L | |
| 5442 + (mtv.tv_usec - start_tv.tv_usec) / 1000L; | |
| 5443 # else | |
| 5444 /* Guess we got interrupted halfway. */ | |
| 5445 msec = msec / 2; | |
| 5446 # endif | |
| 5447 if (msec <= 0) | |
| 5448 break; /* waited long enough */ | |
| 5449 } | |
| 5450 #endif | |
| 5451 } | |
| 5452 | |
| 5453 return (ret > 0); | |
| 5454 } | |
| 5455 | |
| 5456 #ifndef VMS | |
| 5457 | |
| 5458 #ifndef NO_EXPANDPATH | |
| 5459 /* | |
| 444 | 5460 * Expand a path into all matching files and/or directories. Handles "*", |
| 5461 * "?", "[a-z]", "**", etc. | |
| 5462 * "path" has backslashes before chars that are not to be expanded. | |
| 5463 * Returns the number of matches found. | |
| 7 | 5464 */ |
| 5465 int | |
| 5466 mch_expandpath(gap, path, flags) | |
| 5467 garray_T *gap; | |
| 5468 char_u *path; | |
| 5469 int flags; /* EW_* flags */ | |
| 5470 { | |
| 444 | 5471 return unix_expandpath(gap, path, 0, flags, FALSE); |
| 7 | 5472 } |
| 5473 #endif | |
| 5474 | |
| 5475 /* | |
| 5476 * mch_expand_wildcards() - this code does wild-card pattern matching using | |
| 5477 * the shell | |
| 5478 * | |
| 5479 * return OK for success, FAIL for error (you may lose some memory) and put | |
| 5480 * an error message in *file. | |
| 5481 * | |
| 5482 * num_pat is number of input patterns | |
| 5483 * pat is array of pointers to input patterns | |
| 5484 * num_file is pointer to number of matched file names | |
| 5485 * file is pointer to array of pointers to matched file names | |
| 5486 */ | |
| 5487 | |
| 5488 #ifndef SEEK_SET | |
| 5489 # define SEEK_SET 0 | |
| 5490 #endif | |
| 5491 #ifndef SEEK_END | |
| 5492 # define SEEK_END 2 | |
| 5493 #endif | |
| 5494 | |
| 822 | 5495 #define SHELL_SPECIAL (char_u *)"\t \"&'$;<>()\\|" |
| 628 | 5496 |
| 7 | 5497 int |
| 5498 mch_expand_wildcards(num_pat, pat, num_file, file, flags) | |
| 5499 int num_pat; | |
| 5500 char_u **pat; | |
| 5501 int *num_file; | |
| 5502 char_u ***file; | |
| 5503 int flags; /* EW_* flags */ | |
| 5504 { | |
| 5505 int i; | |
| 5506 size_t len; | |
| 5507 char_u *p; | |
| 5508 int dir; | |
| 5509 #ifdef __EMX__ | |
| 1508 | 5510 /* |
| 5511 * This is the OS/2 implementation. | |
| 5512 */ | |
| 7 | 5513 # define EXPL_ALLOC_INC 16 |
| 5514 char_u **expl_files; | |
| 5515 size_t files_alloced, files_free; | |
| 5516 char_u *buf; | |
| 5517 int has_wildcard; | |
| 5518 | |
| 5519 *num_file = 0; /* default: no files found */ | |
| 5520 files_alloced = EXPL_ALLOC_INC; /* how much space is allocated */ | |
| 5521 files_free = EXPL_ALLOC_INC; /* how much space is not used */ | |
| 5522 *file = (char_u **)alloc(sizeof(char_u **) * files_alloced); | |
| 5523 if (*file == NULL) | |
| 5524 return FAIL; | |
| 5525 | |
| 5526 for (; num_pat > 0; num_pat--, pat++) | |
| 5527 { | |
| 5528 expl_files = NULL; | |
| 5529 if (vim_strchr(*pat, '$') || vim_strchr(*pat, '~')) | |
| 5530 /* expand environment var or home dir */ | |
| 5531 buf = expand_env_save(*pat); | |
| 5532 else | |
| 5533 buf = vim_strsave(*pat); | |
| 5534 expl_files = NULL; | |
| 99 | 5535 has_wildcard = mch_has_exp_wildcard(buf); /* (still) wildcards? */ |
| 7 | 5536 if (has_wildcard) /* yes, so expand them */ |
| 5537 expl_files = (char_u **)_fnexplode(buf); | |
| 5538 | |
| 5539 /* | |
| 5540 * return value of buf if no wildcards left, | |
| 5541 * OR if no match AND EW_NOTFOUND is set. | |
| 5542 */ | |
| 5543 if ((!has_wildcard && ((flags & EW_NOTFOUND) || mch_getperm(buf) >= 0)) | |
| 5544 || (expl_files == NULL && (flags & EW_NOTFOUND))) | |
| 5545 { /* simply save the current contents of *buf */ | |
| 5546 expl_files = (char_u **)alloc(sizeof(char_u **) * 2); | |
| 5547 if (expl_files != NULL) | |
| 5548 { | |
| 5549 expl_files[0] = vim_strsave(buf); | |
| 5550 expl_files[1] = NULL; | |
| 5551 } | |
| 5552 } | |
| 5553 vim_free(buf); | |
| 5554 | |
| 5555 /* | |
| 5556 * Count number of names resulting from expansion, | |
| 5557 * At the same time add a backslash to the end of names that happen to | |
| 5558 * be directories, and replace slashes with backslashes. | |
| 5559 */ | |
| 5560 if (expl_files) | |
| 5561 { | |
| 5562 for (i = 0; (p = expl_files[i]) != NULL; i++) | |
| 5563 { | |
| 5564 dir = mch_isdir(p); | |
| 5565 /* If we don't want dirs and this is one, skip it */ | |
| 5566 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
| 5567 continue; | |
| 5568 | |
| 715 | 5569 /* Skip files that are not executable if we check for that. */ |
| 5570 if (!dir && (flags & EW_EXEC) && !mch_can_exe(p)) | |
| 5571 continue; | |
| 5572 | |
| 7 | 5573 if (--files_free == 0) |
| 5574 { | |
| 5575 /* need more room in table of pointers */ | |
| 5576 files_alloced += EXPL_ALLOC_INC; | |
| 5577 *file = (char_u **)vim_realloc(*file, | |
| 5578 sizeof(char_u **) * files_alloced); | |
| 5579 if (*file == NULL) | |
| 5580 { | |
| 5581 EMSG(_(e_outofmem)); | |
| 5582 *num_file = 0; | |
| 5583 return FAIL; | |
| 5584 } | |
| 5585 files_free = EXPL_ALLOC_INC; | |
| 5586 } | |
| 5587 slash_adjust(p); | |
| 5588 if (dir) | |
| 5589 { | |
| 5590 /* For a directory we add a '/', unless it's already | |
| 5591 * there. */ | |
| 5592 len = STRLEN(p); | |
| 5593 if (((*file)[*num_file] = alloc(len + 2)) != NULL) | |
| 5594 { | |
| 5595 STRCPY((*file)[*num_file], p); | |
| 902 | 5596 if (!after_pathsep((*file)[*num_file], |
| 5597 (*file)[*num_file] + len)) | |
| 7 | 5598 { |
| 5599 (*file)[*num_file][len] = psepc; | |
| 39 | 5600 (*file)[*num_file][len + 1] = NUL; |
| 7 | 5601 } |
| 5602 } | |
| 5603 } | |
| 5604 else | |
| 5605 { | |
| 5606 (*file)[*num_file] = vim_strsave(p); | |
| 5607 } | |
| 5608 | |
| 5609 /* | |
| 5610 * Error message already given by either alloc or vim_strsave. | |
| 5611 * Should return FAIL, but returning OK works also. | |
| 5612 */ | |
| 5613 if ((*file)[*num_file] == NULL) | |
| 5614 break; | |
| 5615 (*num_file)++; | |
| 5616 } | |
| 5617 _fnexplodefree((char **)expl_files); | |
| 5618 } | |
| 5619 } | |
| 5620 return OK; | |
| 5621 | |
| 5622 #else /* __EMX__ */ | |
| 1508 | 5623 /* |
| 5624 * This is the non-OS/2 implementation (really Unix). | |
| 5625 */ | |
| 7 | 5626 int j; |
| 5627 char_u *tempname; | |
| 5628 char_u *command; | |
| 5629 FILE *fd; | |
| 5630 char_u *buffer; | |
| 1508 | 5631 #define STYLE_ECHO 0 /* use "echo", the default */ |
| 5632 #define STYLE_GLOB 1 /* use "glob", for csh */ | |
| 5633 #define STYLE_VIMGLOB 2 /* use "vimglob", for Posix sh */ | |
| 5634 #define STYLE_PRINT 3 /* use "print -N", for zsh */ | |
| 5635 #define STYLE_BT 4 /* `cmd` expansion, execute the pattern | |
| 5636 * directly */ | |
| 7 | 5637 int shell_style = STYLE_ECHO; |
| 5638 int check_spaces; | |
| 5639 static int did_find_nul = FALSE; | |
| 5640 int ampersent = FALSE; | |
| 1508 | 5641 /* vimglob() function to define for Posix shell */ |
| 1620 | 5642 static char *sh_vimglob_func = "vimglob() { while [ $# -ge 1 ]; do echo \"$1\"; shift; done }; vimglob >"; |
| 7 | 5643 |
| 5644 *num_file = 0; /* default: no files found */ | |
| 5645 *file = NULL; | |
| 5646 | |
| 5647 /* | |
| 5648 * If there are no wildcards, just copy the names to allocated memory. | |
| 5649 * Saves a lot of time, because we don't have to start a new shell. | |
| 5650 */ | |
| 5651 if (!have_wildcard(num_pat, pat)) | |
| 5652 return save_patterns(num_pat, pat, num_file, file); | |
| 5653 | |
| 428 | 5654 # ifdef HAVE_SANDBOX |
| 5655 /* Don't allow any shell command in the sandbox. */ | |
| 5656 if (sandbox != 0 && check_secure()) | |
| 5657 return FAIL; | |
| 5658 # endif | |
| 5659 | |
| 7 | 5660 /* |
| 5661 * Don't allow the use of backticks in secure and restricted mode. | |
| 5662 */ | |
| 428 | 5663 if (secure || restricted) |
| 7 | 5664 for (i = 0; i < num_pat; ++i) |
| 5665 if (vim_strchr(pat[i], '`') != NULL | |
| 5666 && (check_restricted() || check_secure())) | |
| 5667 return FAIL; | |
| 5668 | |
| 5669 /* | |
| 5670 * get a name for the temp file | |
| 5671 */ | |
| 5672 if ((tempname = vim_tempname('o')) == NULL) | |
| 5673 { | |
| 5674 EMSG(_(e_notmp)); | |
| 5675 return FAIL; | |
| 5676 } | |
| 5677 | |
| 5678 /* | |
| 5679 * Let the shell expand the patterns and write the result into the temp | |
| 1508 | 5680 * file. |
| 5681 * STYLE_BT: NL separated | |
| 5682 * If expanding `cmd` execute it directly. | |
| 5683 * STYLE_GLOB: NUL separated | |
| 5684 * If we use *csh, "glob" will work better than "echo". | |
| 5685 * STYLE_PRINT: NL or NUL separated | |
| 5686 * If we use *zsh, "print -N" will work better than "glob". | |
| 5687 * STYLE_VIMGLOB: NL separated | |
| 5688 * If we use *sh*, we define "vimglob()". | |
| 5689 * STYLE_ECHO: space separated. | |
| 5690 * A shell we don't know, stay safe and use "echo". | |
| 7 | 5691 */ |
| 5692 if (num_pat == 1 && *pat[0] == '`' | |
| 5693 && (len = STRLEN(pat[0])) > 2 | |
| 5694 && *(pat[0] + len - 1) == '`') | |
| 5695 shell_style = STYLE_BT; | |
| 5696 else if ((len = STRLEN(p_sh)) >= 3) | |
| 5697 { | |
| 5698 if (STRCMP(p_sh + len - 3, "csh") == 0) | |
| 5699 shell_style = STYLE_GLOB; | |
| 5700 else if (STRCMP(p_sh + len - 3, "zsh") == 0) | |
| 5701 shell_style = STYLE_PRINT; | |
| 5702 } | |
| 1508 | 5703 if (shell_style == STYLE_ECHO && strstr((char *)gettail(p_sh), |
| 5704 "sh") != NULL) | |
| 5705 shell_style = STYLE_VIMGLOB; | |
| 5706 | |
| 5707 /* Compute the length of the command. We need 2 extra bytes: for the | |
| 5708 * optional '&' and for the NUL. | |
| 5709 * Worst case: "unset nonomatch; print -N >" plus two is 29 */ | |
| 7 | 5710 len = STRLEN(tempname) + 29; |
| 1508 | 5711 if (shell_style == STYLE_VIMGLOB) |
| 5712 len += STRLEN(sh_vimglob_func); | |
| 5713 | |
| 147 | 5714 for (i = 0; i < num_pat; ++i) |
| 5715 { | |
| 5716 /* Count the length of the patterns in the same way as they are put in | |
| 5717 * "command" below. */ | |
| 5718 #ifdef USE_SYSTEM | |
| 7 | 5719 len += STRLEN(pat[i]) + 3; /* add space and two quotes */ |
| 147 | 5720 #else |
| 5721 ++len; /* add space */ | |
| 628 | 5722 for (j = 0; pat[i][j] != NUL; ++j) |
| 5723 { | |
| 5724 if (vim_strchr(SHELL_SPECIAL, pat[i][j]) != NULL) | |
| 5725 ++len; /* may add a backslash */ | |
| 5726 ++len; | |
| 5727 } | |
| 147 | 5728 #endif |
| 5729 } | |
| 7 | 5730 command = alloc(len); |
| 5731 if (command == NULL) | |
| 5732 { | |
| 5733 /* out of memory */ | |
| 5734 vim_free(tempname); | |
| 5735 return FAIL; | |
| 5736 } | |
| 5737 | |
| 5738 /* | |
| 5739 * Build the shell command: | |
| 5740 * - Set $nonomatch depending on EW_NOTFOUND (hopefully the shell | |
| 5741 * recognizes this). | |
| 5742 * - Add the shell command to print the expanded names. | |
| 5743 * - Add the temp file name. | |
| 5744 * - Add the file name patterns. | |
| 5745 */ | |
| 5746 if (shell_style == STYLE_BT) | |
| 5747 { | |
| 628 | 5748 /* change `command; command& ` to (command; command ) */ |
| 5749 STRCPY(command, "("); | |
| 5750 STRCAT(command, pat[0] + 1); /* exclude first backtick */ | |
| 7 | 5751 p = command + STRLEN(command) - 1; |
| 628 | 5752 *p-- = ')'; /* remove last backtick */ |
| 7 | 5753 while (p > command && vim_iswhite(*p)) |
| 5754 --p; | |
| 5755 if (*p == '&') /* remove trailing '&' */ | |
| 5756 { | |
| 5757 ampersent = TRUE; | |
| 5758 *p = ' '; | |
| 5759 } | |
| 5760 STRCAT(command, ">"); | |
| 5761 } | |
| 5762 else | |
| 5763 { | |
| 5764 if (flags & EW_NOTFOUND) | |
| 5765 STRCPY(command, "set nonomatch; "); | |
| 5766 else | |
| 5767 STRCPY(command, "unset nonomatch; "); | |
| 5768 if (shell_style == STYLE_GLOB) | |
| 5769 STRCAT(command, "glob >"); | |
| 5770 else if (shell_style == STYLE_PRINT) | |
| 5771 STRCAT(command, "print -N >"); | |
| 1508 | 5772 else if (shell_style == STYLE_VIMGLOB) |
| 5773 STRCAT(command, sh_vimglob_func); | |
| 7 | 5774 else |
| 5775 STRCAT(command, "echo >"); | |
| 5776 } | |
| 1508 | 5777 |
| 7 | 5778 STRCAT(command, tempname); |
| 1508 | 5779 |
| 7 | 5780 if (shell_style != STYLE_BT) |
| 5781 for (i = 0; i < num_pat; ++i) | |
| 5782 { | |
| 5783 /* When using system() always add extra quotes, because the shell | |
| 628 | 5784 * is started twice. Otherwise put a backslash before special |
| 1450 | 5785 * characters, except inside ``. */ |
| 7 | 5786 #ifdef USE_SYSTEM |
| 5787 STRCAT(command, " \""); | |
| 5788 STRCAT(command, pat[i]); | |
| 5789 STRCAT(command, "\""); | |
| 5790 #else | |
| 233 | 5791 int intick = FALSE; |
| 5792 | |
| 7 | 5793 p = command + STRLEN(command); |
| 5794 *p++ = ' '; | |
| 628 | 5795 for (j = 0; pat[i][j] != NUL; ++j) |
| 233 | 5796 { |
| 5797 if (pat[i][j] == '`') | |
| 5798 intick = !intick; | |
| 628 | 5799 else if (pat[i][j] == '\\' && pat[i][j + 1] != NUL) |
| 5800 { | |
| 644 | 5801 /* Remove a backslash, take char literally. But keep |
| 652 | 5802 * backslash inside backticks, before a special character |
| 5803 * and before a backtick. */ | |
| 644 | 5804 if (intick |
| 652 | 5805 || vim_strchr(SHELL_SPECIAL, pat[i][j + 1]) != NULL |
| 5806 || pat[i][j + 1] == '`') | |
| 644 | 5807 *p++ = '\\'; |
| 648 | 5808 ++j; |
| 628 | 5809 } |
| 5810 else if (!intick && vim_strchr(SHELL_SPECIAL, | |
| 233 | 5811 pat[i][j]) != NULL) |
| 628 | 5812 /* Put a backslash before a special character, but not |
| 5813 * when inside ``. */ | |
| 5814 *p++ = '\\'; | |
| 648 | 5815 |
| 5816 /* Copy one character. */ | |
| 5817 *p++ = pat[i][j]; | |
| 233 | 5818 } |
| 7 | 5819 *p = NUL; |
| 5820 #endif | |
| 5821 } | |
| 5822 if (flags & EW_SILENT) | |
| 5823 show_shell_mess = FALSE; | |
| 5824 if (ampersent) | |
| 1508 | 5825 STRCAT(command, "&"); /* put the '&' after the redirection */ |
| 7 | 5826 |
| 5827 /* | |
| 5828 * Using zsh -G: If a pattern has no matches, it is just deleted from | |
| 5829 * the argument list, otherwise zsh gives an error message and doesn't | |
| 5830 * expand any other pattern. | |
| 5831 */ | |
| 5832 if (shell_style == STYLE_PRINT) | |
| 5833 extra_shell_arg = (char_u *)"-G"; /* Use zsh NULL_GLOB option */ | |
| 5834 | |
| 5835 /* | |
| 5836 * If we use -f then shell variables set in .cshrc won't get expanded. | |
| 5837 * vi can do it, so we will too, but it is only necessary if there is a "$" | |
| 5838 * in one of the patterns, otherwise we can still use the fast option. | |
| 5839 */ | |
| 5840 else if (shell_style == STYLE_GLOB && !have_dollars(num_pat, pat)) | |
| 5841 extra_shell_arg = (char_u *)"-f"; /* Use csh fast option */ | |
| 5842 | |
| 5843 /* | |
| 5844 * execute the shell command | |
| 5845 */ | |
| 5846 i = call_shell(command, SHELL_EXPAND | SHELL_SILENT); | |
| 5847 | |
| 5848 /* When running in the background, give it some time to create the temp | |
| 5849 * file, but don't wait for it to finish. */ | |
| 5850 if (ampersent) | |
| 5851 mch_delay(10L, TRUE); | |
| 5852 | |
| 5853 extra_shell_arg = NULL; /* cleanup */ | |
| 5854 show_shell_mess = TRUE; | |
| 5855 vim_free(command); | |
| 5856 | |
| 1508 | 5857 if (i != 0) /* mch_call_shell() failed */ |
| 7 | 5858 { |
| 5859 mch_remove(tempname); | |
| 5860 vim_free(tempname); | |
| 5861 /* | |
| 5862 * With interactive completion, the error message is not printed. | |
| 5863 * However with USE_SYSTEM, I don't know how to turn off error messages | |
| 5864 * from the shell, so screen may still get messed up -- webb. | |
| 5865 */ | |
| 5866 #ifndef USE_SYSTEM | |
| 5867 if (!(flags & EW_SILENT)) | |
| 5868 #endif | |
| 5869 { | |
| 5870 redraw_later_clear(); /* probably messed up screen */ | |
| 5871 msg_putchar('\n'); /* clear bottom line quickly */ | |
| 5872 cmdline_row = Rows - 1; /* continue on last line */ | |
| 5873 #ifdef USE_SYSTEM | |
| 5874 if (!(flags & EW_SILENT)) | |
| 5875 #endif | |
| 5876 { | |
| 5877 MSG(_(e_wildexpand)); | |
| 5878 msg_start(); /* don't overwrite this message */ | |
| 5879 } | |
| 5880 } | |
| 5881 /* If a `cmd` expansion failed, don't list `cmd` as a match, even when | |
| 5882 * EW_NOTFOUND is given */ | |
| 5883 if (shell_style == STYLE_BT) | |
| 5884 return FAIL; | |
| 5885 goto notfound; | |
| 5886 } | |
| 5887 | |
| 5888 /* | |
| 5889 * read the names from the file into memory | |
| 5890 */ | |
| 5891 fd = fopen((char *)tempname, READBIN); | |
| 5892 if (fd == NULL) | |
| 5893 { | |
| 5894 /* Something went wrong, perhaps a file name with a special char. */ | |
| 5895 if (!(flags & EW_SILENT)) | |
| 5896 { | |
| 5897 MSG(_(e_wildexpand)); | |
| 5898 msg_start(); /* don't overwrite this message */ | |
| 5899 } | |
| 5900 vim_free(tempname); | |
| 5901 goto notfound; | |
| 5902 } | |
| 5903 fseek(fd, 0L, SEEK_END); | |
| 5904 len = ftell(fd); /* get size of temp file */ | |
| 5905 fseek(fd, 0L, SEEK_SET); | |
| 5906 buffer = alloc(len + 1); | |
| 5907 if (buffer == NULL) | |
| 5908 { | |
| 5909 /* out of memory */ | |
| 5910 mch_remove(tempname); | |
| 5911 vim_free(tempname); | |
| 5912 fclose(fd); | |
| 5913 return FAIL; | |
| 5914 } | |
| 5915 i = fread((char *)buffer, 1, len, fd); | |
| 5916 fclose(fd); | |
| 5917 mch_remove(tempname); | |
| 1877 | 5918 if (i != (int)len) |
| 7 | 5919 { |
| 5920 /* unexpected read error */ | |
| 5921 EMSG2(_(e_notread), tempname); | |
| 5922 vim_free(tempname); | |
| 5923 vim_free(buffer); | |
| 5924 return FAIL; | |
| 5925 } | |
| 5926 vim_free(tempname); | |
| 5927 | |
| 1508 | 5928 # if defined(__CYGWIN__) || defined(__CYGWIN32__) |
| 7 | 5929 /* Translate <CR><NL> into <NL>. Caution, buffer may contain NUL. */ |
| 5930 p = buffer; | |
| 5931 for (i = 0; i < len; ++i) | |
| 5932 if (!(buffer[i] == CAR && buffer[i + 1] == NL)) | |
| 5933 *p++ = buffer[i]; | |
| 5934 len = p - buffer; | |
| 5935 # endif | |
| 5936 | |
| 5937 | |
| 5938 /* file names are separated with Space */ | |
| 5939 if (shell_style == STYLE_ECHO) | |
| 5940 { | |
| 5941 buffer[len] = '\n'; /* make sure the buffer ends in NL */ | |
| 5942 p = buffer; | |
| 5943 for (i = 0; *p != '\n'; ++i) /* count number of entries */ | |
| 5944 { | |
| 5945 while (*p != ' ' && *p != '\n') | |
| 5946 ++p; | |
| 5947 p = skipwhite(p); /* skip to next entry */ | |
| 5948 } | |
| 5949 } | |
| 5950 /* file names are separated with NL */ | |
| 1508 | 5951 else if (shell_style == STYLE_BT || shell_style == STYLE_VIMGLOB) |
| 7 | 5952 { |
| 5953 buffer[len] = NUL; /* make sure the buffer ends in NUL */ | |
| 5954 p = buffer; | |
| 5955 for (i = 0; *p != NUL; ++i) /* count number of entries */ | |
| 5956 { | |
| 5957 while (*p != '\n' && *p != NUL) | |
| 5958 ++p; | |
| 5959 if (*p != NUL) | |
| 5960 ++p; | |
| 5961 p = skipwhite(p); /* skip leading white space */ | |
| 5962 } | |
| 5963 } | |
| 5964 /* file names are separated with NUL */ | |
| 5965 else | |
| 5966 { | |
| 5967 /* | |
| 5968 * Some versions of zsh use spaces instead of NULs to separate | |
| 5969 * results. Only do this when there is no NUL before the end of the | |
| 5970 * buffer, otherwise we would never be able to use file names with | |
| 5971 * embedded spaces when zsh does use NULs. | |
| 5972 * When we found a NUL once, we know zsh is OK, set did_find_nul and | |
| 5973 * don't check for spaces again. | |
| 5974 */ | |
| 5975 check_spaces = FALSE; | |
| 5976 if (shell_style == STYLE_PRINT && !did_find_nul) | |
| 5977 { | |
| 5978 /* If there is a NUL, set did_find_nul, else set check_spaces */ | |
| 2768 | 5979 buffer[len] = NUL; |
| 1877 | 5980 if (len && (int)STRLEN(buffer) < (int)len - 1) |
| 7 | 5981 did_find_nul = TRUE; |
| 5982 else | |
| 5983 check_spaces = TRUE; | |
| 5984 } | |
| 5985 | |
| 5986 /* | |
| 5987 * Make sure the buffer ends with a NUL. For STYLE_PRINT there | |
| 5988 * already is one, for STYLE_GLOB it needs to be added. | |
| 5989 */ | |
| 5990 if (len && buffer[len - 1] == NUL) | |
| 5991 --len; | |
| 5992 else | |
| 5993 buffer[len] = NUL; | |
| 5994 i = 0; | |
| 5995 for (p = buffer; p < buffer + len; ++p) | |
| 5996 if (*p == NUL || (*p == ' ' && check_spaces)) /* count entry */ | |
| 5997 { | |
| 5998 ++i; | |
| 5999 *p = NUL; | |
| 6000 } | |
| 6001 if (len) | |
| 6002 ++i; /* count last entry */ | |
| 6003 } | |
| 6004 if (i == 0) | |
| 6005 { | |
| 6006 /* | |
| 6007 * Can happen when using /bin/sh and typing ":e $NO_SUCH_VAR^I". | |
| 6008 * /bin/sh will happily expand it to nothing rather than returning an | |
| 6009 * error; and hey, it's good to check anyway -- webb. | |
| 6010 */ | |
| 6011 vim_free(buffer); | |
| 6012 goto notfound; | |
| 6013 } | |
| 6014 *num_file = i; | |
| 6015 *file = (char_u **)alloc(sizeof(char_u *) * i); | |
| 6016 if (*file == NULL) | |
| 6017 { | |
| 6018 /* out of memory */ | |
| 6019 vim_free(buffer); | |
| 6020 return FAIL; | |
| 6021 } | |
| 6022 | |
| 6023 /* | |
| 6024 * Isolate the individual file names. | |
| 6025 */ | |
| 6026 p = buffer; | |
| 6027 for (i = 0; i < *num_file; ++i) | |
| 6028 { | |
| 6029 (*file)[i] = p; | |
| 6030 /* Space or NL separates */ | |
| 1508 | 6031 if (shell_style == STYLE_ECHO || shell_style == STYLE_BT |
| 6032 || shell_style == STYLE_VIMGLOB) | |
| 7 | 6033 { |
| 652 | 6034 while (!(shell_style == STYLE_ECHO && *p == ' ') |
| 6035 && *p != '\n' && *p != NUL) | |
| 7 | 6036 ++p; |
| 6037 if (p == buffer + len) /* last entry */ | |
| 6038 *p = NUL; | |
| 6039 else | |
| 6040 { | |
| 6041 *p++ = NUL; | |
| 6042 p = skipwhite(p); /* skip to next entry */ | |
| 6043 } | |
| 6044 } | |
| 6045 else /* NUL separates */ | |
| 6046 { | |
| 6047 while (*p && p < buffer + len) /* skip entry */ | |
| 6048 ++p; | |
| 6049 ++p; /* skip NUL */ | |
| 6050 } | |
| 6051 } | |
| 6052 | |
| 6053 /* | |
| 6054 * Move the file names to allocated memory. | |
| 6055 */ | |
| 6056 for (j = 0, i = 0; i < *num_file; ++i) | |
| 6057 { | |
| 6058 /* Require the files to exist. Helps when using /bin/sh */ | |
| 6059 if (!(flags & EW_NOTFOUND) && mch_getperm((*file)[i]) < 0) | |
| 6060 continue; | |
| 6061 | |
| 6062 /* check if this entry should be included */ | |
| 6063 dir = (mch_isdir((*file)[i])); | |
| 6064 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
| 6065 continue; | |
| 6066 | |
| 715 | 6067 /* Skip files that are not executable if we check for that. */ |
| 6068 if (!dir && (flags & EW_EXEC) && !mch_can_exe((*file)[i])) | |
| 6069 continue; | |
| 6070 | |
| 7 | 6071 p = alloc((unsigned)(STRLEN((*file)[i]) + 1 + dir)); |
| 6072 if (p) | |
| 6073 { | |
| 6074 STRCPY(p, (*file)[i]); | |
| 6075 if (dir) | |
| 1479 | 6076 add_pathsep(p); /* add '/' to a directory name */ |
| 7 | 6077 (*file)[j++] = p; |
| 6078 } | |
| 6079 } | |
| 6080 vim_free(buffer); | |
| 6081 *num_file = j; | |
| 6082 | |
| 6083 if (*num_file == 0) /* rejected all entries */ | |
| 6084 { | |
| 6085 vim_free(*file); | |
| 6086 *file = NULL; | |
| 6087 goto notfound; | |
| 6088 } | |
| 6089 | |
| 6090 return OK; | |
| 6091 | |
| 6092 notfound: | |
| 6093 if (flags & EW_NOTFOUND) | |
| 6094 return save_patterns(num_pat, pat, num_file, file); | |
| 6095 return FAIL; | |
| 6096 | |
| 6097 #endif /* __EMX__ */ | |
| 6098 } | |
| 6099 | |
| 6100 #endif /* VMS */ | |
| 6101 | |
| 6102 #ifndef __EMX__ | |
| 6103 static int | |
| 6104 save_patterns(num_pat, pat, num_file, file) | |
| 6105 int num_pat; | |
| 6106 char_u **pat; | |
| 6107 int *num_file; | |
| 6108 char_u ***file; | |
| 6109 { | |
| 6110 int i; | |
| 99 | 6111 char_u *s; |
| 7 | 6112 |
| 6113 *file = (char_u **)alloc(num_pat * sizeof(char_u *)); | |
| 6114 if (*file == NULL) | |
| 6115 return FAIL; | |
| 6116 for (i = 0; i < num_pat; i++) | |
| 99 | 6117 { |
| 6118 s = vim_strsave(pat[i]); | |
| 6119 if (s != NULL) | |
| 6120 /* Be compatible with expand_filename(): halve the number of | |
| 6121 * backslashes. */ | |
| 6122 backslash_halve(s); | |
| 6123 (*file)[i] = s; | |
| 6124 } | |
| 7 | 6125 *num_file = num_pat; |
| 6126 return OK; | |
| 6127 } | |
| 6128 #endif | |
| 6129 | |
| 6130 | |
| 6131 /* | |
| 6132 * Return TRUE if the string "p" contains a wildcard that mch_expandpath() can | |
| 6133 * expand. | |
| 6134 */ | |
| 6135 int | |
| 6136 mch_has_exp_wildcard(p) | |
| 6137 char_u *p; | |
| 6138 { | |
| 39 | 6139 for ( ; *p; mb_ptr_adv(p)) |
| 7 | 6140 { |
| 6141 #ifndef OS2 | |
| 6142 if (*p == '\\' && p[1] != NUL) | |
| 6143 ++p; | |
| 6144 else | |
| 6145 #endif | |
| 6146 if (vim_strchr((char_u *) | |
| 6147 #ifdef VMS | |
| 6148 "*?%" | |
| 6149 #else | |
| 6150 # ifdef OS2 | |
| 6151 "*?" | |
| 6152 # else | |
| 6153 "*?[{'" | |
| 6154 # endif | |
| 6155 #endif | |
| 6156 , *p) != NULL) | |
| 6157 return TRUE; | |
| 6158 } | |
| 6159 return FALSE; | |
| 6160 } | |
| 6161 | |
| 6162 /* | |
| 6163 * Return TRUE if the string "p" contains a wildcard. | |
| 6164 * Don't recognize '~' at the end as a wildcard. | |
| 6165 */ | |
| 6166 int | |
| 6167 mch_has_wildcard(p) | |
| 6168 char_u *p; | |
| 6169 { | |
| 39 | 6170 for ( ; *p; mb_ptr_adv(p)) |
| 7 | 6171 { |
| 6172 #ifndef OS2 | |
| 6173 if (*p == '\\' && p[1] != NUL) | |
| 6174 ++p; | |
| 6175 else | |
| 6176 #endif | |
| 6177 if (vim_strchr((char_u *) | |
| 6178 #ifdef VMS | |
| 6179 "*?%$" | |
| 6180 #else | |
| 6181 # ifdef OS2 | |
| 6182 # ifdef VIM_BACKTICK | |
| 6183 "*?$`" | |
| 6184 # else | |
| 6185 "*?$" | |
| 6186 # endif | |
| 6187 # else | |
| 6188 "*?[{`'$" | |
| 6189 # endif | |
| 6190 #endif | |
| 6191 , *p) != NULL | |
| 6192 || (*p == '~' && p[1] != NUL)) | |
| 6193 return TRUE; | |
| 6194 } | |
| 6195 return FALSE; | |
| 6196 } | |
| 6197 | |
| 6198 #ifndef __EMX__ | |
| 6199 static int | |
| 6200 have_wildcard(num, file) | |
| 6201 int num; | |
| 6202 char_u **file; | |
| 6203 { | |
| 6204 int i; | |
| 6205 | |
| 6206 for (i = 0; i < num; i++) | |
| 6207 if (mch_has_wildcard(file[i])) | |
| 6208 return 1; | |
| 6209 return 0; | |
| 6210 } | |
| 6211 | |
| 6212 static int | |
| 6213 have_dollars(num, file) | |
| 6214 int num; | |
| 6215 char_u **file; | |
| 6216 { | |
| 6217 int i; | |
| 6218 | |
| 6219 for (i = 0; i < num; i++) | |
| 6220 if (vim_strchr(file[i], '$') != NULL) | |
| 6221 return TRUE; | |
| 6222 return FALSE; | |
| 6223 } | |
| 6224 #endif /* ifndef __EMX__ */ | |
| 6225 | |
| 6226 #ifndef HAVE_RENAME | |
| 6227 /* | |
| 6228 * Scaled-down version of rename(), which is missing in Xenix. | |
| 6229 * This version can only move regular files and will fail if the | |
| 6230 * destination exists. | |
| 6231 */ | |
| 6232 int | |
| 6233 mch_rename(src, dest) | |
| 6234 const char *src, *dest; | |
| 6235 { | |
| 6236 struct stat st; | |
| 6237 | |
| 6238 if (stat(dest, &st) >= 0) /* fail if destination exists */ | |
| 6239 return -1; | |
| 6240 if (link(src, dest) != 0) /* link file to new name */ | |
| 6241 return -1; | |
| 6242 if (mch_remove(src) == 0) /* delete link to old name */ | |
| 6243 return 0; | |
| 6244 return -1; | |
| 6245 } | |
| 6246 #endif /* !HAVE_RENAME */ | |
| 6247 | |
| 6248 #ifdef FEAT_MOUSE_GPM | |
| 6249 /* | |
| 6250 * Initializes connection with gpm (if it isn't already opened) | |
| 6251 * Return 1 if succeeded (or connection already opened), 0 if failed | |
| 6252 */ | |
| 6253 static int | |
| 6254 gpm_open() | |
| 6255 { | |
| 6256 static Gpm_Connect gpm_connect; /* Must it be kept till closing ? */ | |
| 6257 | |
| 6258 if (!gpm_flag) | |
| 6259 { | |
| 6260 gpm_connect.eventMask = (GPM_UP | GPM_DRAG | GPM_DOWN); | |
| 6261 gpm_connect.defaultMask = ~GPM_HARD; | |
| 6262 /* Default handling for mouse move*/ | |
| 6263 gpm_connect.minMod = 0; /* Handle any modifier keys */ | |
| 6264 gpm_connect.maxMod = 0xffff; | |
| 6265 if (Gpm_Open(&gpm_connect, 0) > 0) | |
| 6266 { | |
| 6267 /* gpm library tries to handling TSTP causes | |
| 6268 * problems. Anyways, we close connection to Gpm whenever | |
| 6269 * we are going to suspend or starting an external process | |
| 1450 | 6270 * so we shouldn't have problem with this |
| 7 | 6271 */ |
| 1832 | 6272 # ifdef SIGTSTP |
| 7 | 6273 signal(SIGTSTP, restricted ? SIG_IGN : SIG_DFL); |
| 1832 | 6274 # endif |
| 7 | 6275 return 1; /* succeed */ |
| 6276 } | |
| 6277 if (gpm_fd == -2) | |
| 6278 Gpm_Close(); /* We don't want to talk to xterm via gpm */ | |
| 6279 return 0; | |
| 6280 } | |
| 6281 return 1; /* already open */ | |
| 6282 } | |
| 6283 | |
| 6284 /* | |
| 6285 * Closes connection to gpm | |
| 6286 */ | |
| 6287 static void | |
| 6288 gpm_close() | |
| 6289 { | |
| 6290 if (gpm_flag && gpm_fd >= 0) /* if Open */ | |
| 6291 Gpm_Close(); | |
| 6292 } | |
| 6293 | |
| 6294 /* Reads gpm event and adds special keys to input buf. Returns length of | |
| 6295 * generated key sequence. | |
| 6296 * This function is made after gui_send_mouse_event | |
| 6297 */ | |
| 6298 static int | |
| 6299 mch_gpm_process() | |
| 6300 { | |
| 6301 int button; | |
| 6302 static Gpm_Event gpm_event; | |
| 6303 char_u string[6]; | |
| 6304 int_u vim_modifiers; | |
| 6305 int row,col; | |
| 6306 unsigned char buttons_mask; | |
| 6307 unsigned char gpm_modifiers; | |
| 6308 static unsigned char old_buttons = 0; | |
| 6309 | |
| 6310 Gpm_GetEvent(&gpm_event); | |
| 6311 | |
| 6312 #ifdef FEAT_GUI | |
| 6313 /* Don't put events in the input queue now. */ | |
| 6314 if (hold_gui_events) | |
| 6315 return 0; | |
| 6316 #endif | |
| 6317 | |
| 6318 row = gpm_event.y - 1; | |
| 6319 col = gpm_event.x - 1; | |
| 6320 | |
| 6321 string[0] = ESC; /* Our termcode */ | |
| 6322 string[1] = 'M'; | |
| 6323 string[2] = 'G'; | |
| 6324 switch (GPM_BARE_EVENTS(gpm_event.type)) | |
| 6325 { | |
| 6326 case GPM_DRAG: | |
| 6327 string[3] = MOUSE_DRAG; | |
| 6328 break; | |
| 6329 case GPM_DOWN: | |
| 6330 buttons_mask = gpm_event.buttons & ~old_buttons; | |
| 6331 old_buttons = gpm_event.buttons; | |
| 6332 switch (buttons_mask) | |
| 6333 { | |
| 6334 case GPM_B_LEFT: | |
| 6335 button = MOUSE_LEFT; | |
| 6336 break; | |
| 6337 case GPM_B_MIDDLE: | |
| 6338 button = MOUSE_MIDDLE; | |
| 6339 break; | |
| 6340 case GPM_B_RIGHT: | |
| 6341 button = MOUSE_RIGHT; | |
| 6342 break; | |
| 6343 default: | |
| 6344 return 0; | |
| 6345 /*Don't know what to do. Can more than one button be | |
| 6346 * reported in one event? */ | |
| 6347 } | |
| 6348 string[3] = (char_u)(button | 0x20); | |
| 6349 SET_NUM_MOUSE_CLICKS(string[3], gpm_event.clicks + 1); | |
| 6350 break; | |
| 6351 case GPM_UP: | |
| 6352 string[3] = MOUSE_RELEASE; | |
| 6353 old_buttons &= ~gpm_event.buttons; | |
| 6354 break; | |
| 6355 default: | |
| 6356 return 0; | |
| 6357 } | |
| 6358 /*This code is based on gui_x11_mouse_cb in gui_x11.c */ | |
| 6359 gpm_modifiers = gpm_event.modifiers; | |
| 6360 vim_modifiers = 0x0; | |
| 6361 /* I ignore capslock stats. Aren't we all just hate capslock mixing with | |
| 6362 * Vim commands ? Besides, gpm_event.modifiers is unsigned char, and | |
| 6363 * K_CAPSSHIFT is defined 8, so it probably isn't even reported | |
| 6364 */ | |
| 6365 if (gpm_modifiers & ((1 << KG_SHIFT) | (1 << KG_SHIFTR) | (1 << KG_SHIFTL))) | |
| 6366 vim_modifiers |= MOUSE_SHIFT; | |
| 6367 | |
| 6368 if (gpm_modifiers & ((1 << KG_CTRL) | (1 << KG_CTRLR) | (1 << KG_CTRLL))) | |
| 6369 vim_modifiers |= MOUSE_CTRL; | |
| 6370 if (gpm_modifiers & ((1 << KG_ALT) | (1 << KG_ALTGR))) | |
| 6371 vim_modifiers |= MOUSE_ALT; | |
| 6372 string[3] |= vim_modifiers; | |
| 6373 string[4] = (char_u)(col + ' ' + 1); | |
| 6374 string[5] = (char_u)(row + ' ' + 1); | |
| 6375 add_to_input_buf(string, 6); | |
| 6376 return 6; | |
| 6377 } | |
| 6378 #endif /* FEAT_MOUSE_GPM */ | |
| 6379 | |
| 1620 | 6380 #ifdef FEAT_SYSMOUSE |
| 6381 /* | |
| 6382 * Initialize connection with sysmouse. | |
| 6383 * Let virtual console inform us with SIGUSR2 for pending sysmouse | |
| 6384 * output, any sysmouse output than will be processed via sig_sysmouse(). | |
| 6385 * Return OK if succeeded, FAIL if failed. | |
| 6386 */ | |
| 6387 static int | |
| 6388 sysmouse_open() | |
| 6389 { | |
| 6390 struct mouse_info mouse; | |
| 6391 | |
| 6392 mouse.operation = MOUSE_MODE; | |
| 6393 mouse.u.mode.mode = 0; | |
| 6394 mouse.u.mode.signal = SIGUSR2; | |
| 6395 if (ioctl(1, CONS_MOUSECTL, &mouse) != -1) | |
| 6396 { | |
| 6397 signal(SIGUSR2, (RETSIGTYPE (*)())sig_sysmouse); | |
| 6398 mouse.operation = MOUSE_SHOW; | |
| 6399 ioctl(1, CONS_MOUSECTL, &mouse); | |
| 6400 return OK; | |
| 6401 } | |
| 6402 return FAIL; | |
| 6403 } | |
| 6404 | |
| 6405 /* | |
| 6406 * Stop processing SIGUSR2 signals, and also make sure that | |
| 6407 * virtual console do not send us any sysmouse related signal. | |
| 6408 */ | |
| 6409 static void | |
| 6410 sysmouse_close() | |
| 6411 { | |
| 6412 struct mouse_info mouse; | |
| 6413 | |
| 6414 signal(SIGUSR2, restricted ? SIG_IGN : SIG_DFL); | |
| 6415 mouse.operation = MOUSE_MODE; | |
| 6416 mouse.u.mode.mode = 0; | |
| 6417 mouse.u.mode.signal = 0; | |
| 6418 ioctl(1, CONS_MOUSECTL, &mouse); | |
| 6419 } | |
| 6420 | |
| 6421 /* | |
| 6422 * Gets info from sysmouse and adds special keys to input buf. | |
| 6423 */ | |
| 6424 static RETSIGTYPE | |
| 6425 sig_sysmouse SIGDEFARG(sigarg) | |
| 6426 { | |
| 6427 struct mouse_info mouse; | |
| 6428 struct video_info video; | |
| 6429 char_u string[6]; | |
| 6430 int row, col; | |
| 6431 int button; | |
| 6432 int buttons; | |
| 6433 static int oldbuttons = 0; | |
| 6434 | |
| 6435 #ifdef FEAT_GUI | |
| 6436 /* Don't put events in the input queue now. */ | |
| 6437 if (hold_gui_events) | |
| 6438 return; | |
| 6439 #endif | |
| 6440 | |
| 6441 mouse.operation = MOUSE_GETINFO; | |
| 6442 if (ioctl(1, FBIO_GETMODE, &video.vi_mode) != -1 | |
| 6443 && ioctl(1, FBIO_MODEINFO, &video) != -1 | |
| 6444 && ioctl(1, CONS_MOUSECTL, &mouse) != -1 | |
| 6445 && video.vi_cheight > 0 && video.vi_cwidth > 0) | |
| 6446 { | |
| 6447 row = mouse.u.data.y / video.vi_cheight; | |
| 6448 col = mouse.u.data.x / video.vi_cwidth; | |
| 6449 buttons = mouse.u.data.buttons; | |
| 6450 string[0] = ESC; /* Our termcode */ | |
| 6451 string[1] = 'M'; | |
| 6452 string[2] = 'S'; | |
| 6453 if (oldbuttons == buttons && buttons != 0) | |
| 6454 { | |
| 6455 button = MOUSE_DRAG; | |
| 6456 } | |
| 6457 else | |
| 6458 { | |
| 6459 switch (buttons) | |
| 6460 { | |
| 6461 case 0: | |
| 6462 button = MOUSE_RELEASE; | |
| 6463 break; | |
| 6464 case 1: | |
| 6465 button = MOUSE_LEFT; | |
| 6466 break; | |
| 6467 case 2: | |
| 6468 button = MOUSE_MIDDLE; | |
| 6469 break; | |
| 6470 case 4: | |
| 6471 button = MOUSE_RIGHT; | |
| 6472 break; | |
| 6473 default: | |
| 6474 return; | |
| 6475 } | |
| 6476 oldbuttons = buttons; | |
| 6477 } | |
| 6478 string[3] = (char_u)(button); | |
| 6479 string[4] = (char_u)(col + ' ' + 1); | |
| 6480 string[5] = (char_u)(row + ' ' + 1); | |
| 6481 add_to_input_buf(string, 6); | |
| 6482 } | |
| 6483 return; | |
| 6484 } | |
| 6485 #endif /* FEAT_SYSMOUSE */ | |
| 6486 | |
| 7 | 6487 #if defined(FEAT_LIBCALL) || defined(PROTO) |
| 6488 typedef char_u * (*STRPROCSTR)__ARGS((char_u *)); | |
| 6489 typedef char_u * (*INTPROCSTR)__ARGS((int)); | |
| 6490 typedef int (*STRPROCINT)__ARGS((char_u *)); | |
| 6491 typedef int (*INTPROCINT)__ARGS((int)); | |
| 6492 | |
| 6493 /* | |
| 6494 * Call a DLL routine which takes either a string or int param | |
| 6495 * and returns an allocated string. | |
| 6496 */ | |
| 6497 int | |
| 6498 mch_libcall(libname, funcname, argstring, argint, string_result, number_result) | |
| 6499 char_u *libname; | |
| 6500 char_u *funcname; | |
| 6501 char_u *argstring; /* NULL when using a argint */ | |
| 6502 int argint; | |
| 6503 char_u **string_result;/* NULL when using number_result */ | |
| 6504 int *number_result; | |
| 6505 { | |
| 6506 # if defined(USE_DLOPEN) | |
| 6507 void *hinstLib; | |
| 12 | 6508 char *dlerr = NULL; |
| 7 | 6509 # else |
| 6510 shl_t hinstLib; | |
| 6511 # endif | |
| 6512 STRPROCSTR ProcAdd; | |
| 6513 INTPROCSTR ProcAddI; | |
| 6514 char_u *retval_str = NULL; | |
| 6515 int retval_int = 0; | |
| 6516 int success = FALSE; | |
| 6517 | |
| 900 | 6518 /* |
| 6519 * Get a handle to the DLL module. | |
| 6520 */ | |
| 7 | 6521 # if defined(USE_DLOPEN) |
| 900 | 6522 /* First clear any error, it's not cleared by the dlopen() call. */ |
| 6523 (void)dlerror(); | |
| 6524 | |
| 7 | 6525 hinstLib = dlopen((char *)libname, RTLD_LAZY |
| 6526 # ifdef RTLD_LOCAL | |
| 6527 | RTLD_LOCAL | |
| 6528 # endif | |
| 6529 ); | |
| 12 | 6530 if (hinstLib == NULL) |
| 6531 { | |
| 6532 /* "dlerr" must be used before dlclose() */ | |
| 6533 dlerr = (char *)dlerror(); | |
| 6534 if (dlerr != NULL) | |
| 6535 EMSG2(_("dlerror = \"%s\""), dlerr); | |
| 6536 } | |
| 7 | 6537 # else |
| 6538 hinstLib = shl_load((const char*)libname, BIND_IMMEDIATE|BIND_VERBOSE, 0L); | |
| 6539 # endif | |
| 6540 | |
| 6541 /* If the handle is valid, try to get the function address. */ | |
| 6542 if (hinstLib != NULL) | |
| 6543 { | |
| 6544 # ifdef HAVE_SETJMP_H | |
| 6545 /* | |
| 6546 * Catch a crash when calling the library function. For example when | |
| 6547 * using a number where a string pointer is expected. | |
| 6548 */ | |
| 6549 mch_startjmp(); | |
| 6550 if (SETJMP(lc_jump_env) != 0) | |
| 6551 { | |
| 6552 success = FALSE; | |
| 857 | 6553 # if defined(USE_DLOPEN) |
| 12 | 6554 dlerr = NULL; |
| 857 | 6555 # endif |
| 7 | 6556 mch_didjmp(); |
| 6557 } | |
| 6558 else | |
| 6559 # endif | |
| 6560 { | |
| 6561 retval_str = NULL; | |
| 6562 retval_int = 0; | |
| 6563 | |
| 6564 if (argstring != NULL) | |
| 6565 { | |
| 6566 # if defined(USE_DLOPEN) | |
| 6567 ProcAdd = (STRPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
| 12 | 6568 dlerr = (char *)dlerror(); |
| 7 | 6569 # else |
| 6570 if (shl_findsym(&hinstLib, (const char *)funcname, | |
| 6571 TYPE_PROCEDURE, (void *)&ProcAdd) < 0) | |
| 6572 ProcAdd = NULL; | |
| 6573 # endif | |
| 12 | 6574 if ((success = (ProcAdd != NULL |
| 6575 # if defined(USE_DLOPEN) | |
| 6576 && dlerr == NULL | |
| 6577 # endif | |
| 6578 ))) | |
| 7 | 6579 { |
| 6580 if (string_result == NULL) | |
| 6581 retval_int = ((STRPROCINT)ProcAdd)(argstring); | |
| 6582 else | |
| 6583 retval_str = (ProcAdd)(argstring); | |
| 6584 } | |
| 6585 } | |
| 6586 else | |
| 6587 { | |
| 6588 # if defined(USE_DLOPEN) | |
| 6589 ProcAddI = (INTPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
| 12 | 6590 dlerr = (char *)dlerror(); |
| 7 | 6591 # else |
| 6592 if (shl_findsym(&hinstLib, (const char *)funcname, | |
| 6593 TYPE_PROCEDURE, (void *)&ProcAddI) < 0) | |
| 6594 ProcAddI = NULL; | |
| 6595 # endif | |
| 12 | 6596 if ((success = (ProcAddI != NULL |
| 6597 # if defined(USE_DLOPEN) | |
| 6598 && dlerr == NULL | |
| 6599 # endif | |
| 6600 ))) | |
| 7 | 6601 { |
| 6602 if (string_result == NULL) | |
| 6603 retval_int = ((INTPROCINT)ProcAddI)(argint); | |
| 6604 else | |
| 6605 retval_str = (ProcAddI)(argint); | |
| 6606 } | |
| 6607 } | |
| 6608 | |
| 6609 /* Save the string before we free the library. */ | |
| 6610 /* Assume that a "1" or "-1" result is an illegal pointer. */ | |
| 6611 if (string_result == NULL) | |
| 6612 *number_result = retval_int; | |
| 6613 else if (retval_str != NULL | |
| 6614 && retval_str != (char_u *)1 | |
| 6615 && retval_str != (char_u *)-1) | |
| 6616 *string_result = vim_strsave(retval_str); | |
| 6617 } | |
| 6618 | |
| 6619 # ifdef HAVE_SETJMP_H | |
| 6620 mch_endjmp(); | |
| 6621 # ifdef SIGHASARG | |
| 6622 if (lc_signal != 0) | |
| 6623 { | |
| 6624 int i; | |
| 6625 | |
| 6626 /* try to find the name of this signal */ | |
| 6627 for (i = 0; signal_info[i].sig != -1; i++) | |
| 6628 if (lc_signal == signal_info[i].sig) | |
| 6629 break; | |
| 6630 EMSG2("E368: got SIG%s in libcall()", signal_info[i].name); | |
| 6631 } | |
| 6632 # endif | |
| 6633 # endif | |
| 6634 | |
| 12 | 6635 # if defined(USE_DLOPEN) |
| 6636 /* "dlerr" must be used before dlclose() */ | |
| 6637 if (dlerr != NULL) | |
| 6638 EMSG2(_("dlerror = \"%s\""), dlerr); | |
| 6639 | |
| 7 | 6640 /* Free the DLL module. */ |
| 6641 (void)dlclose(hinstLib); | |
| 6642 # else | |
| 6643 (void)shl_unload(hinstLib); | |
| 6644 # endif | |
| 6645 } | |
| 6646 | |
| 6647 if (!success) | |
| 6648 { | |
| 6649 EMSG2(_(e_libcall), funcname); | |
| 6650 return FAIL; | |
| 6651 } | |
| 6652 | |
| 6653 return OK; | |
| 6654 } | |
| 6655 #endif | |
| 6656 | |
| 6657 #if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) || defined(PROTO) | |
| 6658 static int xterm_trace = -1; /* default: disabled */ | |
| 6659 static int xterm_button; | |
| 6660 | |
| 6661 /* | |
| 6662 * Setup a dummy window for X selections in a terminal. | |
| 6663 */ | |
| 6664 void | |
| 6665 setup_term_clip() | |
| 6666 { | |
| 6667 int z = 0; | |
| 6668 char *strp = ""; | |
| 6669 Widget AppShell; | |
| 6670 | |
| 6671 if (!x_connect_to_server()) | |
| 6672 return; | |
| 6673 | |
| 6674 open_app_context(); | |
| 6675 if (app_context != NULL && xterm_Shell == (Widget)0) | |
| 6676 { | |
| 6677 int (*oldhandler)(); | |
| 6678 #if defined(HAVE_SETJMP_H) | |
| 6679 int (*oldIOhandler)(); | |
| 6680 #endif | |
| 6681 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 6682 struct timeval start_tv; | |
| 6683 | |
| 6684 if (p_verbose > 0) | |
| 6685 gettimeofday(&start_tv, NULL); | |
| 6686 # endif | |
| 6687 | |
| 6688 /* Ignore X errors while opening the display */ | |
| 6689 oldhandler = XSetErrorHandler(x_error_check); | |
| 6690 | |
| 6691 #if defined(HAVE_SETJMP_H) | |
| 6692 /* Ignore X IO errors while opening the display */ | |
| 6693 oldIOhandler = XSetIOErrorHandler(x_IOerror_check); | |
| 6694 mch_startjmp(); | |
| 6695 if (SETJMP(lc_jump_env) != 0) | |
| 6696 { | |
| 6697 mch_didjmp(); | |
| 6698 xterm_dpy = NULL; | |
| 6699 } | |
| 6700 else | |
| 6701 #endif | |
| 6702 { | |
| 6703 xterm_dpy = XtOpenDisplay(app_context, xterm_display, | |
| 6704 "vim_xterm", "Vim_xterm", NULL, 0, &z, &strp); | |
| 6705 #if defined(HAVE_SETJMP_H) | |
| 6706 mch_endjmp(); | |
| 6707 #endif | |
| 6708 } | |
| 6709 | |
| 6710 #if defined(HAVE_SETJMP_H) | |
| 6711 /* Now handle X IO errors normally. */ | |
| 6712 (void)XSetIOErrorHandler(oldIOhandler); | |
| 6713 #endif | |
| 6714 /* Now handle X errors normally. */ | |
| 6715 (void)XSetErrorHandler(oldhandler); | |
| 6716 | |
| 6717 if (xterm_dpy == NULL) | |
| 6718 { | |
| 6719 if (p_verbose > 0) | |
| 292 | 6720 verb_msg((char_u *)_("Opening the X display failed")); |
| 7 | 6721 return; |
| 6722 } | |
| 6723 | |
| 6724 /* Catch terminating error of the X server connection. */ | |
| 6725 (void)XSetIOErrorHandler(x_IOerror_handler); | |
| 6726 | |
| 6727 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 6728 if (p_verbose > 0) | |
| 292 | 6729 { |
| 6730 verbose_enter(); | |
| 7 | 6731 xopen_message(&start_tv); |
| 292 | 6732 verbose_leave(); |
| 6733 } | |
| 7 | 6734 # endif |
| 6735 | |
| 6736 /* Create a Shell to make converters work. */ | |
| 6737 AppShell = XtVaAppCreateShell("vim_xterm", "Vim_xterm", | |
| 6738 applicationShellWidgetClass, xterm_dpy, | |
| 6739 NULL); | |
| 6740 if (AppShell == (Widget)0) | |
| 6741 return; | |
| 6742 xterm_Shell = XtVaCreatePopupShell("VIM", | |
| 6743 topLevelShellWidgetClass, AppShell, | |
| 6744 XtNmappedWhenManaged, 0, | |
| 6745 XtNwidth, 1, | |
| 6746 XtNheight, 1, | |
| 6747 NULL); | |
| 6748 if (xterm_Shell == (Widget)0) | |
| 6749 return; | |
| 6750 | |
| 6751 x11_setup_atoms(xterm_dpy); | |
|
2270
917fff7bc09d
Fixes for time in clipboard request. Also fix ownership. (David Fries)
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
6752 x11_setup_selection(xterm_Shell); |
| 7 | 6753 if (x11_display == NULL) |
| 6754 x11_display = xterm_dpy; | |
| 6755 | |
| 6756 XtRealizeWidget(xterm_Shell); | |
| 6757 XSync(xterm_dpy, False); | |
| 6758 xterm_update(); | |
| 6759 } | |
| 6760 if (xterm_Shell != (Widget)0) | |
| 6761 { | |
| 6762 clip_init(TRUE); | |
| 6763 if (x11_window == 0 && (strp = getenv("WINDOWID")) != NULL) | |
| 6764 x11_window = (Window)atol(strp); | |
| 6765 /* Check if $WINDOWID is valid. */ | |
| 6766 if (test_x11_window(xterm_dpy) == FAIL) | |
| 6767 x11_window = 0; | |
| 6768 if (x11_window != 0) | |
| 6769 xterm_trace = 0; | |
| 6770 } | |
| 6771 } | |
| 6772 | |
| 6773 void | |
| 6774 start_xterm_trace(button) | |
| 6775 int button; | |
| 6776 { | |
| 6777 if (x11_window == 0 || xterm_trace < 0 || xterm_Shell == (Widget)0) | |
| 6778 return; | |
| 6779 xterm_trace = 1; | |
| 6780 xterm_button = button; | |
| 6781 do_xterm_trace(); | |
| 6782 } | |
| 6783 | |
| 6784 | |
| 6785 void | |
| 6786 stop_xterm_trace() | |
| 6787 { | |
| 6788 if (xterm_trace < 0) | |
| 6789 return; | |
| 6790 xterm_trace = 0; | |
| 6791 } | |
| 6792 | |
| 6793 /* | |
| 6794 * Query the xterm pointer and generate mouse termcodes if necessary | |
| 6795 * return TRUE if dragging is active, else FALSE | |
| 6796 */ | |
| 6797 static int | |
| 6798 do_xterm_trace() | |
| 6799 { | |
| 6800 Window root, child; | |
| 6801 int root_x, root_y; | |
| 6802 int win_x, win_y; | |
| 6803 int row, col; | |
| 6804 int_u mask_return; | |
| 6805 char_u buf[50]; | |
| 6806 char_u *strp; | |
| 6807 long got_hints; | |
| 6808 static char_u *mouse_code; | |
| 6809 static char_u mouse_name[2] = {KS_MOUSE, KE_FILLER}; | |
| 6810 static int prev_row = 0, prev_col = 0; | |
| 6811 static XSizeHints xterm_hints; | |
| 6812 | |
| 6813 if (xterm_trace <= 0) | |
| 6814 return FALSE; | |
| 6815 | |
| 6816 if (xterm_trace == 1) | |
| 6817 { | |
| 6818 /* Get the hints just before tracking starts. The font size might | |
| 1510 | 6819 * have changed recently. */ |
| 6820 if (!XGetWMNormalHints(xterm_dpy, x11_window, &xterm_hints, &got_hints) | |
| 6821 || !(got_hints & PResizeInc) | |
| 7 | 6822 || xterm_hints.width_inc <= 1 |
| 6823 || xterm_hints.height_inc <= 1) | |
| 6824 { | |
| 6825 xterm_trace = -1; /* Not enough data -- disable tracing */ | |
| 6826 return FALSE; | |
| 6827 } | |
| 6828 | |
| 6829 /* Rely on the same mouse code for the duration of this */ | |
| 6830 mouse_code = find_termcode(mouse_name); | |
| 6831 prev_row = mouse_row; | |
| 6832 prev_row = mouse_col; | |
| 6833 xterm_trace = 2; | |
| 6834 | |
| 6835 /* Find the offset of the chars, there might be a scrollbar on the | |
| 6836 * left of the window and/or a menu on the top (eterm etc.) */ | |
| 6837 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
| 6838 &win_x, &win_y, &mask_return); | |
| 6839 xterm_hints.y = win_y - (xterm_hints.height_inc * mouse_row) | |
| 6840 - (xterm_hints.height_inc / 2); | |
| 6841 if (xterm_hints.y <= xterm_hints.height_inc / 2) | |
| 6842 xterm_hints.y = 2; | |
| 6843 xterm_hints.x = win_x - (xterm_hints.width_inc * mouse_col) | |
| 6844 - (xterm_hints.width_inc / 2); | |
| 6845 if (xterm_hints.x <= xterm_hints.width_inc / 2) | |
| 6846 xterm_hints.x = 2; | |
| 6847 return TRUE; | |
| 6848 } | |
| 2768 | 6849 if (mouse_code == NULL || STRLEN(mouse_code) > 45) |
| 7 | 6850 { |
| 6851 xterm_trace = 0; | |
| 6852 return FALSE; | |
| 6853 } | |
| 6854 | |
| 6855 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
| 6856 &win_x, &win_y, &mask_return); | |
| 6857 | |
| 6858 row = check_row((win_y - xterm_hints.y) / xterm_hints.height_inc); | |
| 6859 col = check_col((win_x - xterm_hints.x) / xterm_hints.width_inc); | |
| 6860 if (row == prev_row && col == prev_col) | |
| 6861 return TRUE; | |
| 6862 | |
| 6863 STRCPY(buf, mouse_code); | |
| 6864 strp = buf + STRLEN(buf); | |
| 6865 *strp++ = (xterm_button | MOUSE_DRAG) & ~0x20; | |
| 6866 *strp++ = (char_u)(col + ' ' + 1); | |
| 6867 *strp++ = (char_u)(row + ' ' + 1); | |
| 6868 *strp = 0; | |
| 6869 add_to_input_buf(buf, STRLEN(buf)); | |
| 6870 | |
| 6871 prev_row = row; | |
| 6872 prev_col = col; | |
| 6873 return TRUE; | |
| 6874 } | |
| 6875 | |
| 6876 # if defined(FEAT_GUI) || defined(PROTO) | |
| 6877 /* | |
| 6878 * Destroy the display, window and app_context. Required for GTK. | |
| 6879 */ | |
| 6880 void | |
| 6881 clear_xterm_clip() | |
| 6882 { | |
| 6883 if (xterm_Shell != (Widget)0) | |
| 6884 { | |
| 6885 XtDestroyWidget(xterm_Shell); | |
| 6886 xterm_Shell = (Widget)0; | |
| 6887 } | |
| 6888 if (xterm_dpy != NULL) | |
| 6889 { | |
| 1605 | 6890 # if 0 |
| 7 | 6891 /* Lesstif and Solaris crash here, lose some memory */ |
| 6892 XtCloseDisplay(xterm_dpy); | |
| 1605 | 6893 # endif |
| 7 | 6894 if (x11_display == xterm_dpy) |
| 6895 x11_display = NULL; | |
| 6896 xterm_dpy = NULL; | |
| 6897 } | |
| 1605 | 6898 # if 0 |
| 7 | 6899 if (app_context != (XtAppContext)NULL) |
| 6900 { | |
| 6901 /* Lesstif and Solaris crash here, lose some memory */ | |
| 6902 XtDestroyApplicationContext(app_context); | |
| 6903 app_context = (XtAppContext)NULL; | |
| 6904 } | |
| 1605 | 6905 # endif |
| 7 | 6906 } |
| 6907 # endif | |
| 6908 | |
| 6909 /* | |
| 4230 | 6910 * Catch up with GUI or X events. |
| 6911 */ | |
| 6912 static void | |
| 6913 clip_update() | |
| 6914 { | |
| 6915 # ifdef FEAT_GUI | |
| 6916 if (gui.in_use) | |
| 6917 gui_mch_update(); | |
| 6918 else | |
| 6919 # endif | |
| 6920 if (xterm_Shell != (Widget)0) | |
| 6921 xterm_update(); | |
| 6922 } | |
| 6923 | |
| 6924 /* | |
| 7 | 6925 * Catch up with any queued X events. This may put keyboard input into the |
| 6926 * input buffer, call resize call-backs, trigger timers etc. If there is | |
| 6927 * nothing in the X event queue (& no timers pending), then we return | |
| 6928 * immediately. | |
| 6929 */ | |
| 6930 static void | |
| 6931 xterm_update() | |
| 6932 { | |
| 6933 XEvent event; | |
| 6934 | |
| 6935 while (XtAppPending(app_context) && !vim_is_input_buf_full()) | |
| 6936 { | |
| 6937 XtAppNextEvent(app_context, &event); | |
| 6938 #ifdef FEAT_CLIENTSERVER | |
| 6939 { | |
| 6940 XPropertyEvent *e = (XPropertyEvent *)&event; | |
| 6941 | |
| 6942 if (e->type == PropertyNotify && e->window == commWindow | |
| 6943 && e->atom == commProperty && e->state == PropertyNewValue) | |
| 6944 serverEventProc(xterm_dpy, &event); | |
| 6945 } | |
| 6946 #endif | |
| 6947 XtDispatchEvent(&event); | |
| 6948 } | |
| 6949 } | |
| 6950 | |
| 6951 int | |
| 6952 clip_xterm_own_selection(cbd) | |
| 6953 VimClipboard *cbd; | |
| 6954 { | |
| 6955 if (xterm_Shell != (Widget)0) | |
| 6956 return clip_x11_own_selection(xterm_Shell, cbd); | |
| 6957 return FAIL; | |
| 6958 } | |
| 6959 | |
| 6960 void | |
| 6961 clip_xterm_lose_selection(cbd) | |
| 6962 VimClipboard *cbd; | |
| 6963 { | |
| 6964 if (xterm_Shell != (Widget)0) | |
| 6965 clip_x11_lose_selection(xterm_Shell, cbd); | |
| 6966 } | |
| 6967 | |
| 6968 void | |
| 6969 clip_xterm_request_selection(cbd) | |
| 6970 VimClipboard *cbd; | |
| 6971 { | |
| 6972 if (xterm_Shell != (Widget)0) | |
| 6973 clip_x11_request_selection(xterm_Shell, xterm_dpy, cbd); | |
| 6974 } | |
| 6975 | |
| 6976 void | |
| 6977 clip_xterm_set_selection(cbd) | |
| 6978 VimClipboard *cbd; | |
| 6979 { | |
| 6980 clip_x11_set_selection(cbd); | |
| 6981 } | |
| 6982 #endif | |
| 6983 | |
| 6984 | |
| 6985 #if defined(USE_XSMP) || defined(PROTO) | |
| 6986 /* | |
| 6987 * Code for X Session Management Protocol. | |
| 6988 */ | |
| 6989 static void xsmp_handle_save_yourself __ARGS((SmcConn smc_conn, SmPointer client_data, int save_type, Bool shutdown, int interact_style, Bool fast)); | |
| 6990 static void xsmp_die __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6991 static void xsmp_save_complete __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6992 static void xsmp_shutdown_cancelled __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6993 static void xsmp_ice_connection __ARGS((IceConn iceConn, IcePointer clientData, Bool opening, IcePointer *watchData)); | |
| 6994 | |
| 6995 | |
| 6996 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
| 6997 static void xsmp_handle_interaction __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6998 | |
| 6999 /* | |
| 7000 * This is our chance to ask the user if they want to save, | |
| 7001 * or abort the logout | |
| 7002 */ | |
| 7003 static void | |
| 7004 xsmp_handle_interaction(smc_conn, client_data) | |
| 7005 SmcConn smc_conn; | |
| 1883 | 7006 SmPointer client_data UNUSED; |
| 7 | 7007 { |
| 7008 cmdmod_T save_cmdmod; | |
| 7009 int cancel_shutdown = False; | |
| 7010 | |
| 7011 save_cmdmod = cmdmod; | |
| 7012 cmdmod.confirm = TRUE; | |
| 7013 if (check_changed_any(FALSE)) | |
| 7014 /* Mustn't logout */ | |
| 7015 cancel_shutdown = True; | |
| 7016 cmdmod = save_cmdmod; | |
| 7017 setcursor(); /* position cursor */ | |
| 7018 out_flush(); | |
| 7019 | |
| 7020 /* Done interaction */ | |
| 7021 SmcInteractDone(smc_conn, cancel_shutdown); | |
| 7022 | |
| 7023 /* Finish off | |
| 7024 * Only end save-yourself here if we're not cancelling shutdown; | |
| 7025 * we'll get a cancelled callback later in which we'll end it. | |
| 7026 * Hopefully get around glitchy SMs (like GNOME-1) | |
| 7027 */ | |
| 7028 if (!cancel_shutdown) | |
| 7029 { | |
| 7030 xsmp.save_yourself = False; | |
| 7031 SmcSaveYourselfDone(smc_conn, True); | |
| 7032 } | |
| 7033 } | |
| 7034 # endif | |
| 7035 | |
| 7036 /* | |
| 7037 * Callback that starts save-yourself. | |
| 7038 */ | |
| 7039 static void | |
| 7040 xsmp_handle_save_yourself(smc_conn, client_data, save_type, | |
| 7041 shutdown, interact_style, fast) | |
| 7042 SmcConn smc_conn; | |
| 1883 | 7043 SmPointer client_data UNUSED; |
| 7044 int save_type UNUSED; | |
| 7 | 7045 Bool shutdown; |
| 1883 | 7046 int interact_style UNUSED; |
| 7047 Bool fast UNUSED; | |
| 7 | 7048 { |
| 7049 /* Handle already being in saveyourself */ | |
| 7050 if (xsmp.save_yourself) | |
| 7051 SmcSaveYourselfDone(smc_conn, True); | |
| 7052 xsmp.save_yourself = True; | |
| 7053 xsmp.shutdown = shutdown; | |
| 7054 | |
| 7055 /* First up, preserve all files */ | |
| 7056 out_flush(); | |
| 7057 ml_sync_all(FALSE, FALSE); /* preserve all swap files */ | |
| 7058 | |
| 7059 if (p_verbose > 0) | |
| 292 | 7060 verb_msg((char_u *)_("XSMP handling save-yourself request")); |
| 7 | 7061 |
| 7062 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
| 7063 /* Now see if we can ask about unsaved files */ | |
| 7064 if (shutdown && !fast && gui.in_use) | |
| 7065 /* Need to interact with user, but need SM's permission */ | |
| 7066 SmcInteractRequest(smc_conn, SmDialogError, | |
| 7067 xsmp_handle_interaction, client_data); | |
| 7068 else | |
| 7069 # endif | |
| 7070 { | |
| 7071 /* Can stop the cycle here */ | |
| 7072 SmcSaveYourselfDone(smc_conn, True); | |
| 7073 xsmp.save_yourself = False; | |
| 7074 } | |
| 7075 } | |
| 7076 | |
| 7077 | |
| 7078 /* | |
| 7079 * Callback to warn us of imminent death. | |
| 7080 */ | |
| 7081 static void | |
| 7082 xsmp_die(smc_conn, client_data) | |
| 1883 | 7083 SmcConn smc_conn UNUSED; |
| 7084 SmPointer client_data UNUSED; | |
| 7 | 7085 { |
| 7086 xsmp_close(); | |
| 7087 | |
| 7088 /* quit quickly leaving swapfiles for modified buffers behind */ | |
| 7089 getout_preserve_modified(0); | |
| 7090 } | |
| 7091 | |
| 7092 | |
| 7093 /* | |
| 7094 * Callback to tell us that save-yourself has completed. | |
| 7095 */ | |
| 7096 static void | |
| 7097 xsmp_save_complete(smc_conn, client_data) | |
| 1883 | 7098 SmcConn smc_conn UNUSED; |
| 7099 SmPointer client_data UNUSED; | |
| 7 | 7100 { |
| 7101 xsmp.save_yourself = False; | |
| 7102 } | |
| 7103 | |
| 7104 | |
| 7105 /* | |
| 7106 * Callback to tell us that an instigated shutdown was cancelled | |
| 7107 * (maybe even by us) | |
| 7108 */ | |
| 7109 static void | |
| 7110 xsmp_shutdown_cancelled(smc_conn, client_data) | |
| 7111 SmcConn smc_conn; | |
| 1883 | 7112 SmPointer client_data UNUSED; |
| 7 | 7113 { |
| 7114 if (xsmp.save_yourself) | |
| 7115 SmcSaveYourselfDone(smc_conn, True); | |
| 7116 xsmp.save_yourself = False; | |
| 7117 xsmp.shutdown = False; | |
| 7118 } | |
| 7119 | |
| 7120 | |
| 7121 /* | |
| 7122 * Callback to tell us that a new ICE connection has been established. | |
| 7123 */ | |
| 7124 static void | |
| 7125 xsmp_ice_connection(iceConn, clientData, opening, watchData) | |
| 7126 IceConn iceConn; | |
| 1883 | 7127 IcePointer clientData UNUSED; |
| 7 | 7128 Bool opening; |
| 1883 | 7129 IcePointer *watchData UNUSED; |
| 7 | 7130 { |
| 7131 /* Intercept creation of ICE connection fd */ | |
| 7132 if (opening) | |
| 7133 { | |
| 7134 xsmp_icefd = IceConnectionNumber(iceConn); | |
| 7135 IceRemoveConnectionWatch(xsmp_ice_connection, NULL); | |
| 7136 } | |
| 7137 } | |
| 7138 | |
| 7139 | |
| 7140 /* Handle any ICE processing that's required; return FAIL if SM lost */ | |
| 7141 int | |
| 7142 xsmp_handle_requests() | |
| 7143 { | |
| 7144 Bool rep; | |
| 7145 | |
| 7146 if (IceProcessMessages(xsmp.iceconn, NULL, &rep) | |
| 7147 == IceProcessMessagesIOError) | |
| 7148 { | |
| 7149 /* Lost ICE */ | |
| 7150 if (p_verbose > 0) | |
| 292 | 7151 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 7152 xsmp_close(); |
| 7153 return FAIL; | |
| 7154 } | |
| 7155 else | |
| 7156 return OK; | |
| 7157 } | |
| 7158 | |
| 7159 static int dummy; | |
| 7160 | |
| 7161 /* Set up X Session Management Protocol */ | |
| 7162 void | |
| 7163 xsmp_init(void) | |
| 7164 { | |
| 7165 char errorstring[80]; | |
| 7166 SmcCallbacks smcallbacks; | |
| 7167 #if 0 | |
| 7168 SmPropValue smname; | |
| 7169 SmProp smnameprop; | |
| 7170 SmProp *smprops[1]; | |
| 7171 #endif | |
| 7172 | |
| 7173 if (p_verbose > 0) | |
| 292 | 7174 verb_msg((char_u *)_("XSMP opening connection")); |
| 7 | 7175 |
| 7176 xsmp.save_yourself = xsmp.shutdown = False; | |
| 7177 | |
| 7178 /* Set up SM callbacks - must have all, even if they're not used */ | |
| 7179 smcallbacks.save_yourself.callback = xsmp_handle_save_yourself; | |
| 7180 smcallbacks.save_yourself.client_data = NULL; | |
| 7181 smcallbacks.die.callback = xsmp_die; | |
| 7182 smcallbacks.die.client_data = NULL; | |
| 7183 smcallbacks.save_complete.callback = xsmp_save_complete; | |
| 7184 smcallbacks.save_complete.client_data = NULL; | |
| 7185 smcallbacks.shutdown_cancelled.callback = xsmp_shutdown_cancelled; | |
| 7186 smcallbacks.shutdown_cancelled.client_data = NULL; | |
| 7187 | |
| 7188 /* Set up a watch on ICE connection creations. The "dummy" argument is | |
| 7189 * apparently required for FreeBSD (we get a BUS error when using NULL). */ | |
| 7190 if (IceAddConnectionWatch(xsmp_ice_connection, &dummy) == 0) | |
| 7191 { | |
| 7192 if (p_verbose > 0) | |
| 292 | 7193 verb_msg((char_u *)_("XSMP ICE connection watch failed")); |
| 7 | 7194 return; |
| 7195 } | |
| 7196 | |
| 7197 /* Create an SM connection */ | |
| 7198 xsmp.smcconn = SmcOpenConnection( | |
| 7199 NULL, | |
| 7200 NULL, | |
| 7201 SmProtoMajor, | |
| 7202 SmProtoMinor, | |
| 7203 SmcSaveYourselfProcMask | SmcDieProcMask | |
| 7204 | SmcSaveCompleteProcMask | SmcShutdownCancelledProcMask, | |
| 7205 &smcallbacks, | |
| 7206 NULL, | |
| 1605 | 7207 &xsmp.clientid, |
| 7 | 7208 sizeof(errorstring), |
| 7209 errorstring); | |
| 7210 if (xsmp.smcconn == NULL) | |
| 7211 { | |
| 7212 char errorreport[132]; | |
| 273 | 7213 |
| 292 | 7214 if (p_verbose > 0) |
| 7215 { | |
| 7216 vim_snprintf(errorreport, sizeof(errorreport), | |
| 273 | 7217 _("XSMP SmcOpenConnection failed: %s"), errorstring); |
| 292 | 7218 verb_msg((char_u *)errorreport); |
| 7219 } | |
| 7 | 7220 return; |
| 7221 } | |
| 7222 xsmp.iceconn = SmcGetIceConnection(xsmp.smcconn); | |
| 7223 | |
| 7224 #if 0 | |
| 7225 /* ID ourselves */ | |
| 7226 smname.value = "vim"; | |
| 7227 smname.length = 3; | |
| 7228 smnameprop.name = "SmProgram"; | |
| 7229 smnameprop.type = "SmARRAY8"; | |
| 7230 smnameprop.num_vals = 1; | |
| 7231 smnameprop.vals = &smname; | |
| 7232 | |
| 7233 smprops[0] = &smnameprop; | |
| 7234 SmcSetProperties(xsmp.smcconn, 1, smprops); | |
| 7235 #endif | |
| 7236 } | |
| 7237 | |
| 7238 | |
| 7239 /* Shut down XSMP comms. */ | |
| 7240 void | |
| 7241 xsmp_close() | |
| 7242 { | |
| 7243 if (xsmp_icefd != -1) | |
| 7244 { | |
| 7245 SmcCloseConnection(xsmp.smcconn, 0, NULL); | |
| 1737 | 7246 if (xsmp.clientid != NULL) |
| 7247 free(xsmp.clientid); | |
| 1605 | 7248 xsmp.clientid = NULL; |
| 7 | 7249 xsmp_icefd = -1; |
| 7250 } | |
| 7251 } | |
| 7252 #endif /* USE_XSMP */ | |
| 7253 | |
| 7254 | |
| 7255 #ifdef EBCDIC | |
| 7256 /* Translate character to its CTRL- value */ | |
| 7257 char CtrlTable[] = | |
| 7258 { | |
| 7259 /* 00 - 5E */ | |
| 7260 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7261 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7262 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7263 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7264 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7265 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7266 /* ^ */ 0x1E, | |
| 7267 /* - */ 0x1F, | |
| 7268 /* 61 - 6C */ | |
| 7269 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7270 /* _ */ 0x1F, | |
| 7271 /* 6E - 80 */ | |
| 7272 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7273 /* a */ 0x01, | |
| 7274 /* b */ 0x02, | |
| 7275 /* c */ 0x03, | |
| 7276 /* d */ 0x37, | |
| 7277 /* e */ 0x2D, | |
| 7278 /* f */ 0x2E, | |
| 7279 /* g */ 0x2F, | |
| 7280 /* h */ 0x16, | |
| 7281 /* i */ 0x05, | |
| 7282 /* 8A - 90 */ | |
| 7283 0, 0, 0, 0, 0, 0, 0, | |
| 7284 /* j */ 0x15, | |
| 7285 /* k */ 0x0B, | |
| 7286 /* l */ 0x0C, | |
| 7287 /* m */ 0x0D, | |
| 7288 /* n */ 0x0E, | |
| 7289 /* o */ 0x0F, | |
| 7290 /* p */ 0x10, | |
| 7291 /* q */ 0x11, | |
| 7292 /* r */ 0x12, | |
| 7293 /* 9A - A1 */ | |
| 7294 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7295 /* s */ 0x13, | |
| 7296 /* t */ 0x3C, | |
| 7297 /* u */ 0x3D, | |
| 7298 /* v */ 0x32, | |
| 7299 /* w */ 0x26, | |
| 7300 /* x */ 0x18, | |
| 7301 /* y */ 0x19, | |
| 7302 /* z */ 0x3F, | |
| 7303 /* AA - AC */ | |
| 7304 0, 0, 0, | |
| 7305 /* [ */ 0x27, | |
| 7306 /* AE - BC */ | |
| 7307 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7308 /* ] */ 0x1D, | |
| 7309 /* BE - C0 */ 0, 0, 0, | |
| 7310 /* A */ 0x01, | |
| 7311 /* B */ 0x02, | |
| 7312 /* C */ 0x03, | |
| 7313 /* D */ 0x37, | |
| 7314 /* E */ 0x2D, | |
| 7315 /* F */ 0x2E, | |
| 7316 /* G */ 0x2F, | |
| 7317 /* H */ 0x16, | |
| 7318 /* I */ 0x05, | |
| 7319 /* CA - D0 */ 0, 0, 0, 0, 0, 0, 0, | |
| 7320 /* J */ 0x15, | |
| 7321 /* K */ 0x0B, | |
| 7322 /* L */ 0x0C, | |
| 7323 /* M */ 0x0D, | |
| 7324 /* N */ 0x0E, | |
| 7325 /* O */ 0x0F, | |
| 7326 /* P */ 0x10, | |
| 7327 /* Q */ 0x11, | |
| 7328 /* R */ 0x12, | |
| 7329 /* DA - DF */ 0, 0, 0, 0, 0, 0, | |
| 7330 /* \ */ 0x1C, | |
| 7331 /* E1 */ 0, | |
| 7332 /* S */ 0x13, | |
| 7333 /* T */ 0x3C, | |
| 7334 /* U */ 0x3D, | |
| 7335 /* V */ 0x32, | |
| 7336 /* W */ 0x26, | |
| 7337 /* X */ 0x18, | |
| 7338 /* Y */ 0x19, | |
| 7339 /* Z */ 0x3F, | |
| 7340 /* EA - FF*/ 0, 0, 0, 0, 0, 0, | |
| 7341 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7342 }; | |
| 7343 | |
| 7344 char MetaCharTable[]= | |
| 7345 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
| 7346 0, 0, 0, 0,'\\', 0,'F', 0,'W','M','N', 0, 0, 0, 0, 0, | |
| 7347 0, 0, 0, 0,']', 0, 0,'G', 0, 0,'R','O', 0, 0, 0, 0, | |
| 7348 '@','A','B','C','D','E', 0, 0,'H','I','J','K','L', 0, 0, 0, | |
| 7349 'P','Q', 0,'S','T','U','V', 0,'X','Y','Z','[', 0, 0,'^', 0 | |
| 7350 }; | |
| 7351 | |
| 7352 | |
| 7353 /* TODO: Use characters NOT numbers!!! */ | |
| 7354 char CtrlCharTable[]= | |
| 7355 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
| 7356 124,193,194,195, 0,201, 0, 0, 0, 0, 0,210,211,212,213,214, | |
| 7357 215,216,217,226, 0,209,200, 0,231,232, 0, 0,224,189, 95,109, | |
| 7358 0, 0, 0, 0, 0, 0,230,173, 0, 0, 0, 0, 0,197,198,199, | |
| 7359 0, 0,229, 0, 0, 0, 0,196, 0, 0, 0, 0,227,228, 0,233, | |
| 7360 }; | |
| 7361 | |
| 7362 | |
| 7363 #endif |