Mercurial > vim
annotate src/os_unix.c @ 4313:ff1f3e42df08 v7.3.906
updated for version 7.3.906
Problem: The "sleep .2" for running tests does not work on Solaris.
Solution: Fall back to using "sleep 1". (Laurent Blume)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 24 Apr 2013 12:56:19 +0200 |
| parents | bb3cfdb62607 |
| children | 5e0b6a9282df |
| 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(); |
|
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(); |
|
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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d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
443 if (WaitForChar(-1L) == 0) |
|
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 /* | |
|
2414
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Fix: terminal title not properly restured when there are multi-byte
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 */ | |
| 4299 | 3496 # ifdef JSBTERM_MOUSE_NONADVANCED |
| 3497 /* Disables full feedback of pointer movements */ | |
| 7 | 3498 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK1Q\033\\", |
| 3499 ESC_STR "[0~ZwLMRK1Q" ESC_STR "\\")); | |
| 4299 | 3500 # else |
| 7 | 3501 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK+1Q\033\\", |
| 3502 ESC_STR "[0~ZwLMRK+1Q" ESC_STR "\\")); | |
| 4299 | 3503 # endif |
| 7 | 3504 ison = TRUE; |
| 3505 } | |
| 3506 else | |
| 3507 { | |
| 3508 out_str_nf((char_u *)IF_EB("\033[0~ZwQ\033\\", | |
| 3509 ESC_STR "[0~ZwQ" ESC_STR "\\")); | |
| 3510 ison = FALSE; | |
| 3511 } | |
| 3512 } | |
| 3513 # endif | |
| 3514 # ifdef FEAT_MOUSE_PTERM | |
| 3515 else | |
| 3516 { | |
| 3517 /* 1 = button press, 6 = release, 7 = drag, 1h...9l = right button */ | |
| 3518 if (on) | |
| 3519 out_str_nf("\033[>1h\033[>6h\033[>7h\033[>1h\033[>9l"); | |
| 3520 else | |
| 3521 out_str_nf("\033[>1l\033[>6l\033[>7l\033[>1l\033[>9h"); | |
| 3522 ison = on; | |
| 3523 } | |
| 3524 # endif | |
| 3525 } | |
| 3526 | |
| 3527 /* | |
| 3528 * Set the mouse termcode, depending on the 'term' and 'ttymouse' options. | |
| 3529 */ | |
| 3530 void | |
| 3531 check_mouse_termcode() | |
| 3532 { | |
| 3533 # ifdef FEAT_MOUSE_XTERM | |
| 3534 if (use_xterm_mouse() | |
| 3145 | 3535 # ifdef FEAT_MOUSE_URXVT |
| 3536 && use_xterm_mouse() != 3 | |
| 3537 # endif | |
| 7 | 3538 # ifdef FEAT_GUI |
| 3539 && !gui.in_use | |
| 3540 # endif | |
| 3541 ) | |
| 3542 { | |
| 3543 set_mouse_termcode(KS_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
| 180 | 3544 ? IF_EB("\233M", CSI_STR "M") |
| 3545 : IF_EB("\033[M", ESC_STR "[M"))); | |
| 7 | 3546 if (*p_mouse != NUL) |
| 3547 { | |
| 3548 /* force mouse off and maybe on to send possibly new mouse | |
| 3549 * activation sequence to the xterm, with(out) drag tracing. */ | |
| 3550 mch_setmouse(FALSE); | |
| 3551 setmouse(); | |
| 3552 } | |
| 3553 } | |
| 3554 else | |
| 3555 del_mouse_termcode(KS_MOUSE); | |
| 3556 # endif | |
| 3557 | |
| 3558 # ifdef FEAT_MOUSE_GPM | |
| 3559 if (!use_xterm_mouse() | |
| 3560 # ifdef FEAT_GUI | |
| 3561 && !gui.in_use | |
| 3562 # endif | |
| 3563 ) | |
| 3564 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MG", ESC_STR "MG")); | |
| 3565 # endif | |
| 3566 | |
| 1620 | 3567 # ifdef FEAT_SYSMOUSE |
| 3568 if (!use_xterm_mouse() | |
| 3569 # ifdef FEAT_GUI | |
| 3570 && !gui.in_use | |
| 3571 # endif | |
| 3572 ) | |
| 3573 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MS", ESC_STR "MS")); | |
| 3574 # endif | |
| 3575 | |
| 7 | 3576 # ifdef FEAT_MOUSE_JSB |
| 3577 /* conflicts with xterm mouse: "\033[" and "\033[M" ??? */ | |
| 3578 if (!use_xterm_mouse() | |
| 3579 # ifdef FEAT_GUI | |
| 3580 && !gui.in_use | |
| 3581 # endif | |
| 3582 ) | |
| 3583 set_mouse_termcode(KS_JSBTERM_MOUSE, | |
| 3584 (char_u *)IF_EB("\033[0~zw", ESC_STR "[0~zw")); | |
| 3585 else | |
| 3586 del_mouse_termcode(KS_JSBTERM_MOUSE); | |
| 3587 # endif | |
| 3588 | |
| 3589 # ifdef FEAT_MOUSE_NET | |
| 180 | 3590 /* There is no conflict, but one may type "ESC }" from Insert mode. Don't |
| 7 | 3591 * define it in the GUI or when using an xterm. */ |
| 3592 if (!use_xterm_mouse() | |
| 3593 # ifdef FEAT_GUI | |
| 3594 && !gui.in_use | |
| 3595 # endif | |
| 3596 ) | |
| 3597 set_mouse_termcode(KS_NETTERM_MOUSE, | |
| 3598 (char_u *)IF_EB("\033}", ESC_STR "}")); | |
| 3599 else | |
| 3600 del_mouse_termcode(KS_NETTERM_MOUSE); | |
| 3601 # endif | |
| 3602 | |
| 3603 # ifdef FEAT_MOUSE_DEC | |
| 3604 /* conflicts with xterm mouse: "\033[" and "\033[M" */ | |
| 3605 if (!use_xterm_mouse() | |
| 3606 # ifdef FEAT_GUI | |
| 3607 && !gui.in_use | |
| 3608 # endif | |
| 3609 ) | |
| 180 | 3610 set_mouse_termcode(KS_DEC_MOUSE, (char_u *)(term_is_8bit(T_NAME) |
| 3611 ? IF_EB("\233", CSI_STR) : IF_EB("\033[", ESC_STR "["))); | |
| 7 | 3612 else |
| 3613 del_mouse_termcode(KS_DEC_MOUSE); | |
| 3614 # endif | |
| 3615 # ifdef FEAT_MOUSE_PTERM | |
| 3616 /* same as the dec mouse */ | |
| 3617 if (!use_xterm_mouse() | |
| 3618 # ifdef FEAT_GUI | |
| 3619 && !gui.in_use | |
| 3620 # endif | |
| 3621 ) | |
| 3622 set_mouse_termcode(KS_PTERM_MOUSE, | |
| 3623 (char_u *) IF_EB("\033[", ESC_STR "[")); | |
| 3624 else | |
| 3625 del_mouse_termcode(KS_PTERM_MOUSE); | |
| 3626 # endif | |
| 3145 | 3627 # ifdef FEAT_MOUSE_URXVT |
| 3628 /* same as the dec mouse */ | |
| 3629 if (use_xterm_mouse() == 3 | |
| 3630 # ifdef FEAT_GUI | |
| 3631 && !gui.in_use | |
| 3632 # endif | |
| 3633 ) | |
| 3634 { | |
| 3635 set_mouse_termcode(KS_URXVT_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
| 3636 ? IF_EB("\233", CSI_STR) | |
| 3637 : IF_EB("\033[", ESC_STR "["))); | |
| 3638 | |
| 3639 if (*p_mouse != NUL) | |
| 3640 { | |
| 3641 mch_setmouse(FALSE); | |
| 3642 setmouse(); | |
| 3643 } | |
| 3644 } | |
| 3645 else | |
| 3646 del_mouse_termcode(KS_URXVT_MOUSE); | |
| 3647 # endif | |
| 3746 | 3648 # ifdef FEAT_MOUSE_SGR |
| 3649 /* same as the dec mouse */ | |
| 3650 if (use_xterm_mouse() == 4 | |
| 3651 # ifdef FEAT_GUI | |
| 3652 && !gui.in_use | |
| 3653 # endif | |
| 3654 ) | |
| 3655 { | |
| 3656 set_mouse_termcode(KS_SGR_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
| 3657 ? IF_EB("\233<", CSI_STR "<") | |
| 3658 : IF_EB("\033[<", ESC_STR "[<"))); | |
| 3659 | |
| 3660 if (*p_mouse != NUL) | |
| 3661 { | |
| 3662 mch_setmouse(FALSE); | |
| 3663 setmouse(); | |
| 3664 } | |
| 3665 } | |
| 3666 else | |
| 3667 del_mouse_termcode(KS_SGR_MOUSE); | |
| 3668 # endif | |
| 7 | 3669 } |
| 3670 #endif | |
| 3671 | |
| 3672 /* | |
| 3673 * set screen mode, always fails. | |
| 3674 */ | |
| 3675 int | |
| 3676 mch_screenmode(arg) | |
| 1877 | 3677 char_u *arg UNUSED; |
| 7 | 3678 { |
| 3679 EMSG(_(e_screenmode)); | |
| 3680 return FAIL; | |
| 3681 } | |
| 3682 | |
| 3683 #ifndef VMS | |
| 3684 | |
| 3685 /* | |
| 3686 * Try to get the current window size: | |
| 3687 * 1. with an ioctl(), most accurate method | |
| 3688 * 2. from the environment variables LINES and COLUMNS | |
| 3689 * 3. from the termcap | |
| 3690 * 4. keep using the old values | |
| 3691 * Return OK when size could be determined, FAIL otherwise. | |
| 3692 */ | |
| 3693 int | |
| 3694 mch_get_shellsize() | |
| 3695 { | |
| 3696 long rows = 0; | |
| 3697 long columns = 0; | |
| 3698 char_u *p; | |
| 3699 | |
| 3700 /* | |
| 3701 * For OS/2 use _scrsize(). | |
| 3702 */ | |
| 3703 # ifdef __EMX__ | |
| 3704 { | |
| 3705 int s[2]; | |
| 3706 | |
| 3707 _scrsize(s); | |
| 3708 columns = s[0]; | |
| 3709 rows = s[1]; | |
| 3710 } | |
| 3711 # endif | |
| 3712 | |
| 3713 /* | |
| 3714 * 1. try using an ioctl. It is the most accurate method. | |
| 3715 * | |
| 3716 * Try using TIOCGWINSZ first, some systems that have it also define | |
| 3717 * TIOCGSIZE but don't have a struct ttysize. | |
| 3718 */ | |
| 3719 # ifdef TIOCGWINSZ | |
| 3720 { | |
| 3721 struct winsize ws; | |
| 3722 int fd = 1; | |
| 3723 | |
| 3724 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
| 3725 if (!isatty(fd) && isatty(read_cmd_fd)) | |
| 3726 fd = read_cmd_fd; | |
| 3727 if (ioctl(fd, TIOCGWINSZ, &ws) == 0) | |
| 3728 { | |
| 3729 columns = ws.ws_col; | |
| 3730 rows = ws.ws_row; | |
| 3731 } | |
| 3732 } | |
| 3733 # else /* TIOCGWINSZ */ | |
| 3734 # ifdef TIOCGSIZE | |
| 3735 { | |
| 3736 struct ttysize ts; | |
| 3737 int fd = 1; | |
| 3738 | |
| 3739 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
| 3740 if (!isatty(fd) && isatty(read_cmd_fd)) | |
| 3741 fd = read_cmd_fd; | |
| 3742 if (ioctl(fd, TIOCGSIZE, &ts) == 0) | |
| 3743 { | |
| 3744 columns = ts.ts_cols; | |
| 3745 rows = ts.ts_lines; | |
| 3746 } | |
| 3747 } | |
| 3748 # endif /* TIOCGSIZE */ | |
| 3749 # endif /* TIOCGWINSZ */ | |
| 3750 | |
| 3751 /* | |
| 3752 * 2. get size from environment | |
| 164 | 3753 * When being POSIX compliant ('|' flag in 'cpoptions') this overrules |
| 3754 * the ioctl() values! | |
| 7 | 3755 */ |
| 164 | 3756 if (columns == 0 || rows == 0 || vim_strchr(p_cpo, CPO_TSIZE) != NULL) |
| 7 | 3757 { |
| 3758 if ((p = (char_u *)getenv("LINES"))) | |
| 3759 rows = atoi((char *)p); | |
| 3760 if ((p = (char_u *)getenv("COLUMNS"))) | |
| 3761 columns = atoi((char *)p); | |
| 3762 } | |
| 3763 | |
| 3764 #ifdef HAVE_TGETENT | |
| 3765 /* | |
| 3766 * 3. try reading "co" and "li" entries from termcap | |
| 3767 */ | |
| 3768 if (columns == 0 || rows == 0) | |
| 3769 getlinecol(&columns, &rows); | |
| 3770 #endif | |
| 3771 | |
| 3772 /* | |
| 3773 * 4. If everything fails, use the old values | |
| 3774 */ | |
| 3775 if (columns <= 0 || rows <= 0) | |
| 3776 return FAIL; | |
| 3777 | |
| 3778 Rows = rows; | |
| 3779 Columns = columns; | |
| 3780 return OK; | |
| 3781 } | |
| 3782 | |
| 3783 /* | |
| 3784 * Try to set the window size to Rows and Columns. | |
| 3785 */ | |
| 3786 void | |
| 3787 mch_set_shellsize() | |
| 3788 { | |
| 3789 if (*T_CWS) | |
| 3790 { | |
| 3791 /* | |
| 3792 * NOTE: if you get an error here that term_set_winsize() is | |
| 3793 * undefined, check the output of configure. It could probably not | |
| 3794 * find a ncurses, termcap or termlib library. | |
| 3795 */ | |
| 3796 term_set_winsize((int)Rows, (int)Columns); | |
| 3797 out_flush(); | |
| 3798 screen_start(); /* don't know where cursor is now */ | |
| 3799 } | |
| 3800 } | |
| 3801 | |
| 3802 #endif /* VMS */ | |
| 3803 | |
| 3804 /* | |
| 3805 * Rows and/or Columns has changed. | |
| 3806 */ | |
| 3807 void | |
| 3808 mch_new_shellsize() | |
| 3809 { | |
| 3810 /* Nothing to do. */ | |
| 3811 } | |
| 3812 | |
| 3048 | 3813 /* |
| 3814 * Wait for process "child" to end. | |
| 3815 * Return "child" if it exited properly, <= 0 on error. | |
| 3816 */ | |
| 3817 static pid_t | |
| 3818 wait4pid(child, status) | |
| 3819 pid_t child; | |
| 3820 waitstatus *status; | |
| 3821 { | |
| 3822 pid_t wait_pid = 0; | |
| 3823 | |
| 3824 while (wait_pid != child) | |
| 3825 { | |
| 3470 | 3826 /* When compiled with Python threads are probably used, in which case |
| 3827 * wait() sometimes hangs for no obvious reason. Use waitpid() | |
| 3828 * instead and loop (like the GUI). Also needed for other interfaces, | |
| 3829 * they might call system(). */ | |
| 3830 # ifdef __NeXT__ | |
| 3048 | 3831 wait_pid = wait4(child, status, WNOHANG, (struct rusage *)0); |
| 3470 | 3832 # else |
| 3048 | 3833 wait_pid = waitpid(child, status, WNOHANG); |
| 3470 | 3834 # endif |
| 3048 | 3835 if (wait_pid == 0) |
| 3836 { | |
| 4074 | 3837 /* Wait for 10 msec before trying again. */ |
| 3048 | 3838 mch_delay(10L, TRUE); |
| 3839 continue; | |
| 3840 } | |
| 3841 if (wait_pid <= 0 | |
| 3842 # ifdef ECHILD | |
| 3843 && errno == ECHILD | |
| 3844 # endif | |
| 3845 ) | |
| 3846 break; | |
| 3847 } | |
| 3848 return wait_pid; | |
| 3849 } | |
| 3850 | |
| 7 | 3851 int |
| 3852 mch_call_shell(cmd, options) | |
| 3853 char_u *cmd; | |
| 3854 int options; /* SHELL_*, see vim.h */ | |
| 3855 { | |
| 3856 #ifdef VMS | |
| 3857 char *ifn = NULL; | |
| 3858 char *ofn = NULL; | |
| 3859 #endif | |
| 3860 int tmode = cur_tmode; | |
| 3861 #ifdef USE_SYSTEM /* use system() to start the shell: simple but slow */ | |
| 3862 int x; | |
| 3863 # ifndef __EMX__ | |
| 3864 char_u *newcmd; /* only needed for unix */ | |
| 3865 # else | |
| 3866 /* | |
| 3867 * Set the preferred shell in the EMXSHELL environment variable (but | |
| 3868 * only if it is different from what is already in the environment). | |
| 3869 * Emx then takes care of whether to use "/c" or "-c" in an | |
| 3870 * intelligent way. Simply pass the whole thing to emx's system() call. | |
| 3871 * Emx also starts an interactive shell if system() is passed an empty | |
| 3872 * string. | |
| 3873 */ | |
| 3874 char_u *p, *old; | |
| 3875 | |
| 3876 if (((old = (char_u *)getenv("EMXSHELL")) == NULL) || STRCMP(old, p_sh)) | |
| 3877 { | |
| 3878 /* should check HAVE_SETENV, but I know we don't have it. */ | |
| 3879 p = alloc(10 + strlen(p_sh)); | |
| 3880 if (p) | |
| 3881 { | |
| 3882 sprintf((char *)p, "EMXSHELL=%s", p_sh); | |
| 3883 putenv((char *)p); /* don't free the pointer! */ | |
| 3884 } | |
| 3885 } | |
| 3886 # endif | |
| 3887 | |
| 3888 out_flush(); | |
| 3889 | |
| 3890 if (options & SHELL_COOKED) | |
| 3891 settmode(TMODE_COOK); /* set to normal mode */ | |
| 3892 | |
| 2586 | 3893 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 4209 | 3894 save_clipboard(); |
| 2586 | 3895 loose_clipboard(); |
| 3896 # endif | |
| 3897 | |
| 7 | 3898 # ifdef __EMX__ |
| 3899 if (cmd == NULL) | |
| 3900 x = system(""); /* this starts an interactive shell in emx */ | |
| 3901 else | |
| 3902 x = system((char *)cmd); | |
| 3903 /* system() returns -1 when error occurs in starting shell */ | |
| 3904 if (x == -1 && !emsg_silent) | |
| 3905 { | |
| 3906 MSG_PUTS(_("\nCannot execute shell ")); | |
| 3907 msg_outtrans(p_sh); | |
| 3908 msg_putchar('\n'); | |
| 3909 } | |
| 3910 # else /* not __EMX__ */ | |
| 3911 if (cmd == NULL) | |
| 3912 x = system((char *)p_sh); | |
| 3913 else | |
| 3914 { | |
| 3915 # ifdef VMS | |
| 3916 if (ofn = strchr((char *)cmd, '>')) | |
| 3917 *ofn++ = '\0'; | |
| 3918 if (ifn = strchr((char *)cmd, '<')) | |
| 3919 { | |
| 3920 char *p; | |
| 3921 | |
| 3922 *ifn++ = '\0'; | |
| 3923 p = strchr(ifn,' '); /* chop off any trailing spaces */ | |
| 3924 if (p) | |
| 3925 *p = '\0'; | |
| 3926 } | |
| 3927 if (ofn) | |
| 3928 x = vms_sys((char *)cmd, ofn, ifn); | |
| 3929 else | |
| 3930 x = system((char *)cmd); | |
| 3931 # else | |
| 3932 newcmd = lalloc(STRLEN(p_sh) | |
| 3933 + (extra_shell_arg == NULL ? 0 : STRLEN(extra_shell_arg)) | |
| 3934 + STRLEN(p_shcf) + STRLEN(cmd) + 4, TRUE); | |
| 3935 if (newcmd == NULL) | |
| 3936 x = 0; | |
| 3937 else | |
| 3938 { | |
| 3939 sprintf((char *)newcmd, "%s %s %s %s", p_sh, | |
| 3940 extra_shell_arg == NULL ? "" : (char *)extra_shell_arg, | |
| 3941 (char *)p_shcf, | |
| 3942 (char *)cmd); | |
| 3943 x = system((char *)newcmd); | |
| 3944 vim_free(newcmd); | |
| 3945 } | |
| 3946 # endif | |
| 3947 } | |
| 3948 # ifdef VMS | |
| 3949 x = vms_sys_status(x); | |
| 3950 # endif | |
| 3951 if (emsg_silent) | |
| 3952 ; | |
| 3953 else if (x == 127) | |
| 3954 MSG_PUTS(_("\nCannot execute shell sh\n")); | |
| 3955 # endif /* __EMX__ */ | |
| 3956 else if (x && !(options & SHELL_SILENT)) | |
| 3957 { | |
| 3958 MSG_PUTS(_("\nshell returned ")); | |
| 3959 msg_outnum((long)x); | |
| 3960 msg_putchar('\n'); | |
| 3961 } | |
| 3962 | |
| 3963 if (tmode == TMODE_RAW) | |
| 3964 settmode(TMODE_RAW); /* set to raw mode */ | |
| 3965 # ifdef FEAT_TITLE | |
| 3966 resettitle(); | |
| 3967 # endif | |
| 4209 | 3968 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 3969 restore_clipboard(); | |
| 3970 # endif | |
| 7 | 3971 return x; |
| 3972 | |
| 3973 #else /* USE_SYSTEM */ /* don't use system(), use fork()/exec() */ | |
| 3974 | |
| 167 | 3975 # define EXEC_FAILED 122 /* Exit code when shell didn't execute. Don't use |
| 3976 127, some shells use that already */ | |
| 7 | 3977 |
| 3978 char_u *newcmd = NULL; | |
| 3979 pid_t pid; | |
| 167 | 3980 pid_t wpid = 0; |
| 7 | 3981 pid_t wait_pid = 0; |
| 3982 # ifdef HAVE_UNION_WAIT | |
| 3983 union wait status; | |
| 3984 # else | |
| 3985 int status = -1; | |
| 3986 # endif | |
| 3987 int retval = -1; | |
| 3988 char **argv = NULL; | |
| 3989 int argc; | |
| 2994 | 3990 char_u *p_shcf_copy = NULL; |
| 7 | 3991 int i; |
| 3992 char_u *p; | |
| 3993 int inquote; | |
| 167 | 3994 int pty_master_fd = -1; /* for pty's */ |
| 7 | 3995 # ifdef FEAT_GUI |
| 3996 int pty_slave_fd = -1; | |
| 3997 char *tty_name; | |
| 167 | 3998 # endif |
| 602 | 3999 int fd_toshell[2]; /* for pipes */ |
| 7 | 4000 int fd_fromshell[2]; |
| 4001 int pipe_error = FALSE; | |
| 167 | 4002 # ifdef HAVE_SETENV |
| 7 | 4003 char envbuf[50]; |
| 167 | 4004 # else |
| 7 | 4005 static char envbuf_Rows[20]; |
| 4006 static char envbuf_Columns[20]; | |
| 4007 # endif | |
| 602 | 4008 int did_settmode = FALSE; /* settmode(TMODE_RAW) called */ |
| 7 | 4009 |
| 2586 | 4010 newcmd = vim_strsave(p_sh); |
| 4011 if (newcmd == NULL) /* out of memory */ | |
| 4012 goto error; | |
| 4013 | |
| 7 | 4014 out_flush(); |
| 4015 if (options & SHELL_COOKED) | |
| 4016 settmode(TMODE_COOK); /* set to normal mode */ | |
| 4017 | |
| 602 | 4018 /* |
| 4019 * Do this loop twice: | |
| 4020 * 1: find number of arguments | |
| 4021 * 2: separate them and build argv[] | |
| 4022 */ | |
| 7 | 4023 for (i = 0; i < 2; ++i) |
| 4024 { | |
| 4025 p = newcmd; | |
| 4026 inquote = FALSE; | |
| 4027 argc = 0; | |
| 4028 for (;;) | |
| 4029 { | |
| 4030 if (i == 1) | |
| 4031 argv[argc] = (char *)p; | |
| 4032 ++argc; | |
| 4033 while (*p && (inquote || (*p != ' ' && *p != TAB))) | |
| 4034 { | |
| 4035 if (*p == '"') | |
| 4036 inquote = !inquote; | |
| 4037 ++p; | |
| 4038 } | |
| 4039 if (*p == NUL) | |
| 4040 break; | |
| 4041 if (i == 1) | |
| 4042 *p++ = NUL; | |
| 4043 p = skipwhite(p); | |
| 4044 } | |
| 840 | 4045 if (argv == NULL) |
| 7 | 4046 { |
| 2994 | 4047 /* |
| 4048 * Account for possible multiple args in p_shcf. | |
| 4049 */ | |
| 4050 p = p_shcf; | |
| 4051 for (;;) | |
| 4052 { | |
| 4053 p = skiptowhite(p); | |
| 4054 if (*p == NUL) | |
| 4055 break; | |
| 4056 ++argc; | |
| 4057 p = skipwhite(p); | |
| 4058 } | |
| 4059 | |
| 7 | 4060 argv = (char **)alloc((unsigned)((argc + 4) * sizeof(char *))); |
| 4061 if (argv == NULL) /* out of memory */ | |
| 4062 goto error; | |
| 4063 } | |
| 4064 } | |
| 4065 if (cmd != NULL) | |
| 4066 { | |
| 3263 | 4067 char_u *s; |
| 4068 | |
| 7 | 4069 if (extra_shell_arg != NULL) |
| 4070 argv[argc++] = (char *)extra_shell_arg; | |
| 2994 | 4071 |
| 4072 /* Break 'shellcmdflag' into white separated parts. This doesn't | |
| 4073 * handle quoted strings, they are very unlikely to appear. */ | |
| 4074 p_shcf_copy = alloc((unsigned)STRLEN(p_shcf) + 1); | |
| 4075 if (p_shcf_copy == NULL) /* out of memory */ | |
| 4076 goto error; | |
| 4077 s = p_shcf_copy; | |
| 4078 p = p_shcf; | |
| 4079 while (*p != NUL) | |
| 4080 { | |
| 4081 argv[argc++] = (char *)s; | |
| 4082 while (*p && *p != ' ' && *p != TAB) | |
| 4083 *s++ = *p++; | |
| 4084 *s++ = NUL; | |
| 4085 p = skipwhite(p); | |
| 4086 } | |
| 4087 | |
| 7 | 4088 argv[argc++] = (char *)cmd; |
| 4089 } | |
| 4090 argv[argc] = NULL; | |
| 4091 | |
| 167 | 4092 /* |
| 4093 * For the GUI, when writing the output into the buffer and when reading | |
| 4094 * input from the buffer: Try using a pseudo-tty to get the stdin/stdout | |
| 4095 * of the executed command into the Vim window. Or use a pipe. | |
| 4096 */ | |
| 4097 if ((options & (SHELL_READ|SHELL_WRITE)) | |
| 7 | 4098 # ifdef FEAT_GUI |
| 167 | 4099 || (gui.in_use && show_shell_mess) |
| 4100 # endif | |
| 4101 ) | |
| 7 | 4102 { |
| 167 | 4103 # ifdef FEAT_GUI |
| 7 | 4104 /* |
| 4105 * Try to open a master pty. | |
| 4106 * If this works, open the slave pty. | |
| 4107 * If the slave can't be opened, close the master pty. | |
| 4108 */ | |
| 167 | 4109 if (p_guipty && !(options & (SHELL_READ|SHELL_WRITE))) |
| 7 | 4110 { |
| 4111 pty_master_fd = OpenPTY(&tty_name); /* open pty */ | |
| 2992 | 4112 if (pty_master_fd >= 0) |
| 7 | 4113 { |
| 2992 | 4114 /* Leaving out O_NOCTTY may lead to waitpid() always returning |
| 4115 * 0 on Mac OS X 10.7 thereby causing freezes. Let's assume | |
| 4116 * adding O_NOCTTY always works when defined. */ | |
| 4117 #ifdef O_NOCTTY | |
| 4118 pty_slave_fd = open(tty_name, O_RDWR | O_NOCTTY | O_EXTRA, 0); | |
| 4119 #else | |
| 4120 pty_slave_fd = open(tty_name, O_RDWR | O_EXTRA, 0); | |
| 4121 #endif | |
| 4122 if (pty_slave_fd < 0) | |
| 4123 { | |
| 4124 close(pty_master_fd); | |
| 4125 pty_master_fd = -1; | |
| 4126 } | |
| 7 | 4127 } |
| 4128 } | |
| 4129 /* | |
| 4130 * If not opening a pty or it didn't work, try using pipes. | |
| 4131 */ | |
| 4132 if (pty_master_fd < 0) | |
| 167 | 4133 # endif |
| 7 | 4134 { |
| 4135 pipe_error = (pipe(fd_toshell) < 0); | |
| 4136 if (!pipe_error) /* pipe create OK */ | |
| 4137 { | |
| 4138 pipe_error = (pipe(fd_fromshell) < 0); | |
| 4139 if (pipe_error) /* pipe create failed */ | |
| 4140 { | |
| 4141 close(fd_toshell[0]); | |
| 4142 close(fd_toshell[1]); | |
| 4143 } | |
| 4144 } | |
| 4145 if (pipe_error) | |
| 4146 { | |
| 4147 MSG_PUTS(_("\nCannot create pipes\n")); | |
| 4148 out_flush(); | |
| 4149 } | |
| 4150 } | |
| 4151 } | |
| 4152 | |
| 4153 if (!pipe_error) /* pty or pipe opened or not used */ | |
| 4154 { | |
| 4155 # ifdef __BEOS__ | |
| 4156 beos_cleanup_read_thread(); | |
| 4157 # endif | |
| 602 | 4158 |
| 7 | 4159 if ((pid = fork()) == -1) /* maybe we should use vfork() */ |
| 4160 { | |
| 4161 MSG_PUTS(_("\nCannot fork\n")); | |
| 167 | 4162 if ((options & (SHELL_READ|SHELL_WRITE)) |
| 7 | 4163 # ifdef FEAT_GUI |
| 167 | 4164 || (gui.in_use && show_shell_mess) |
| 4165 # endif | |
| 4166 ) | |
| 7 | 4167 { |
| 167 | 4168 # ifdef FEAT_GUI |
| 7 | 4169 if (pty_master_fd >= 0) /* close the pseudo tty */ |
| 4170 { | |
| 4171 close(pty_master_fd); | |
| 4172 close(pty_slave_fd); | |
| 4173 } | |
| 4174 else /* close the pipes */ | |
| 167 | 4175 # endif |
| 7 | 4176 { |
| 4177 close(fd_toshell[0]); | |
| 4178 close(fd_toshell[1]); | |
| 4179 close(fd_fromshell[0]); | |
| 4180 close(fd_fromshell[1]); | |
| 4181 } | |
| 4182 } | |
| 4183 } | |
| 4184 else if (pid == 0) /* child */ | |
| 4185 { | |
| 4186 reset_signals(); /* handle signals normally */ | |
| 4187 | |
| 4188 if (!show_shell_mess || (options & SHELL_EXPAND)) | |
| 4189 { | |
| 4190 int fd; | |
| 4191 | |
| 4192 /* | |
| 4193 * Don't want to show any message from the shell. Can't just | |
| 4194 * close stdout and stderr though, because some systems will | |
| 4195 * break if you try to write to them after that, so we must | |
| 4196 * use dup() to replace them with something else -- webb | |
| 4197 * Connect stdin to /dev/null too, so ":n `cat`" doesn't hang, | |
| 4198 * waiting for input. | |
| 4199 */ | |
| 4200 fd = open("/dev/null", O_RDWR | O_EXTRA, 0); | |
| 4201 fclose(stdin); | |
| 4202 fclose(stdout); | |
| 4203 fclose(stderr); | |
| 4204 | |
| 4205 /* | |
| 4206 * If any of these open()'s and dup()'s fail, we just continue | |
| 4207 * anyway. It's not fatal, and on most systems it will make | |
| 4208 * no difference at all. On a few it will cause the execvp() | |
| 4209 * to exit with a non-zero status even when the completion | |
| 4210 * could be done, which is nothing too serious. If the open() | |
| 4211 * or dup() failed we'd just do the same thing ourselves | |
| 4212 * anyway -- webb | |
| 4213 */ | |
| 4214 if (fd >= 0) | |
| 4215 { | |
| 1757 | 4216 ignored = dup(fd); /* To replace stdin (fd 0) */ |
| 4217 ignored = dup(fd); /* To replace stdout (fd 1) */ | |
| 4218 ignored = dup(fd); /* To replace stderr (fd 2) */ | |
| 7 | 4219 |
| 4220 /* Don't need this now that we've duplicated it */ | |
| 4221 close(fd); | |
| 4222 } | |
| 4223 } | |
| 167 | 4224 else if ((options & (SHELL_READ|SHELL_WRITE)) |
| 7 | 4225 # ifdef FEAT_GUI |
| 167 | 4226 || gui.in_use |
| 4227 # endif | |
| 4228 ) | |
| 7 | 4229 { |
| 4230 | |
| 167 | 4231 # ifdef HAVE_SETSID |
| 602 | 4232 /* Create our own process group, so that the child and all its |
| 4233 * children can be kill()ed. Don't do this when using pipes, | |
| 1698 | 4234 * because stdin is not a tty, we would lose /dev/tty. */ |
| 602 | 4235 if (p_stmp) |
| 1799 | 4236 { |
| 602 | 4237 (void)setsid(); |
| 1799 | 4238 # if defined(SIGHUP) |
| 4239 /* When doing "!xterm&" and 'shell' is bash: the shell | |
| 4240 * will exit and send SIGHUP to all processes in its | |
| 4241 * group, killing the just started process. Ignore SIGHUP | |
| 4242 * to avoid that. (suggested by Simon Schubert) | |
| 4243 */ | |
| 4244 signal(SIGHUP, SIG_IGN); | |
| 4245 # endif | |
| 4246 } | |
| 167 | 4247 # endif |
| 4248 # ifdef FEAT_GUI | |
| 602 | 4249 if (pty_slave_fd >= 0) |
| 4250 { | |
| 4251 /* push stream discipline modules */ | |
| 4252 if (options & SHELL_COOKED) | |
| 4253 SetupSlavePTY(pty_slave_fd); | |
| 7 | 4254 # ifdef TIOCSCTTY |
| 602 | 4255 /* Try to become controlling tty (probably doesn't work, |
| 4256 * unless run by root) */ | |
| 4257 ioctl(pty_slave_fd, TIOCSCTTY, (char *)NULL); | |
| 7 | 4258 # endif |
| 602 | 4259 } |
| 167 | 4260 # endif |
| 7 | 4261 /* Simulate to have a dumb terminal (for now) */ |
| 167 | 4262 # ifdef HAVE_SETENV |
| 7 | 4263 setenv("TERM", "dumb", 1); |
| 4264 sprintf((char *)envbuf, "%ld", Rows); | |
| 4265 setenv("ROWS", (char *)envbuf, 1); | |
| 4266 sprintf((char *)envbuf, "%ld", Rows); | |
| 4267 setenv("LINES", (char *)envbuf, 1); | |
| 4268 sprintf((char *)envbuf, "%ld", Columns); | |
| 4269 setenv("COLUMNS", (char *)envbuf, 1); | |
| 167 | 4270 # else |
| 7 | 4271 /* |
| 4272 * Putenv does not copy the string, it has to remain valid. | |
| 1698 | 4273 * Use a static array to avoid losing allocated memory. |
| 7 | 4274 */ |
| 4275 putenv("TERM=dumb"); | |
| 4276 sprintf(envbuf_Rows, "ROWS=%ld", Rows); | |
| 4277 putenv(envbuf_Rows); | |
| 4278 sprintf(envbuf_Rows, "LINES=%ld", Rows); | |
| 4279 putenv(envbuf_Rows); | |
| 4280 sprintf(envbuf_Columns, "COLUMNS=%ld", Columns); | |
| 4281 putenv(envbuf_Columns); | |
| 167 | 4282 # endif |
| 4283 | |
| 557 | 4284 /* |
| 4285 * stderr is only redirected when using the GUI, so that a | |
| 4286 * program like gpg can still access the terminal to get a | |
| 4287 * passphrase using stderr. | |
| 4288 */ | |
| 167 | 4289 # ifdef FEAT_GUI |
| 7 | 4290 if (pty_master_fd >= 0) |
| 4291 { | |
| 4292 close(pty_master_fd); /* close master side of pty */ | |
| 4293 | |
| 4294 /* set up stdin/stdout/stderr for the child */ | |
| 4295 close(0); | |
| 1757 | 4296 ignored = dup(pty_slave_fd); |
| 7 | 4297 close(1); |
| 1757 | 4298 ignored = dup(pty_slave_fd); |
| 557 | 4299 if (gui.in_use) |
| 4300 { | |
| 4301 close(2); | |
| 1757 | 4302 ignored = dup(pty_slave_fd); |
| 557 | 4303 } |
| 7 | 4304 |
| 4305 close(pty_slave_fd); /* has been dupped, close it now */ | |
| 4306 } | |
| 4307 else | |
| 167 | 4308 # endif |
| 7 | 4309 { |
| 4310 /* set up stdin for the child */ | |
| 4311 close(fd_toshell[1]); | |
| 4312 close(0); | |
| 1757 | 4313 ignored = dup(fd_toshell[0]); |
| 7 | 4314 close(fd_toshell[0]); |
| 4315 | |
| 4316 /* set up stdout for the child */ | |
| 4317 close(fd_fromshell[0]); | |
| 4318 close(1); | |
| 1757 | 4319 ignored = dup(fd_fromshell[1]); |
| 7 | 4320 close(fd_fromshell[1]); |
| 4321 | |
| 557 | 4322 # ifdef FEAT_GUI |
| 4323 if (gui.in_use) | |
| 4324 { | |
| 4325 /* set up stderr for the child */ | |
| 4326 close(2); | |
| 1757 | 4327 ignored = dup(1); |
| 557 | 4328 } |
| 4329 # endif | |
| 7 | 4330 } |
| 4331 } | |
| 167 | 4332 |
| 7 | 4333 /* |
| 4334 * There is no type cast for the argv, because the type may be | |
| 4335 * different on different machines. This may cause a warning | |
| 4336 * message with strict compilers, don't worry about it. | |
| 4337 * Call _exit() instead of exit() to avoid closing the connection | |
| 4338 * to the X server (esp. with GTK, which uses atexit()). | |
| 4339 */ | |
| 4340 execvp(argv[0], argv); | |
| 4341 _exit(EXEC_FAILED); /* exec failed, return failure code */ | |
| 4342 } | |
| 4343 else /* parent */ | |
| 4344 { | |
| 4345 /* | |
| 4346 * While child is running, ignore terminating signals. | |
| 167 | 4347 * Do catch CTRL-C, so that "got_int" is set. |
| 7 | 4348 */ |
| 4349 catch_signals(SIG_IGN, SIG_ERR); | |
| 167 | 4350 catch_int_signal(); |
| 7 | 4351 |
| 4352 /* | |
| 4353 * For the GUI we redirect stdin, stdout and stderr to our window. | |
| 167 | 4354 * This is also used to pipe stdin/stdout to/from the external |
| 4355 * command. | |
| 7 | 4356 */ |
| 167 | 4357 if ((options & (SHELL_READ|SHELL_WRITE)) |
| 4358 # ifdef FEAT_GUI | |
| 4359 || (gui.in_use && show_shell_mess) | |
| 4360 # endif | |
| 4361 ) | |
| 7 | 4362 { |
| 167 | 4363 # define BUFLEN 100 /* length for buffer, pseudo tty limit is 128 */ |
| 7 | 4364 char_u buffer[BUFLEN + 1]; |
| 167 | 4365 # ifdef FEAT_MBYTE |
| 7 | 4366 int buffer_off = 0; /* valid bytes in buffer[] */ |
| 167 | 4367 # endif |
| 7 | 4368 char_u ta_buf[BUFLEN + 1]; /* TypeAHead */ |
| 4369 int ta_len = 0; /* valid bytes in ta_buf[] */ | |
| 4370 int len; | |
| 4371 int p_more_save; | |
| 4372 int old_State; | |
| 4373 int c; | |
| 4374 int toshell_fd; | |
| 4375 int fromshell_fd; | |
| 167 | 4376 garray_T ga; |
| 4377 int noread_cnt; | |
| 1823 | 4378 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
| 4379 struct timeval start_tv; | |
| 4380 # endif | |
| 167 | 4381 |
| 4382 # ifdef FEAT_GUI | |
| 7 | 4383 if (pty_master_fd >= 0) |
| 4384 { | |
| 4385 fromshell_fd = pty_master_fd; | |
| 4386 toshell_fd = dup(pty_master_fd); | |
| 4387 } | |
| 4388 else | |
| 167 | 4389 # endif |
| 7 | 4390 { |
| 4391 close(fd_toshell[0]); | |
| 4392 close(fd_fromshell[1]); | |
| 4393 toshell_fd = fd_toshell[1]; | |
| 4394 fromshell_fd = fd_fromshell[0]; | |
| 4395 } | |
| 4396 | |
| 4397 /* | |
| 4398 * Write to the child if there are typed characters. | |
| 4399 * Read from the child if there are characters available. | |
| 4400 * Repeat the reading a few times if more characters are | |
| 4401 * available. Need to check for typed keys now and then, but | |
| 4402 * not too often (delays when no chars are available). | |
| 4403 * This loop is quit if no characters can be read from the pty | |
| 4404 * (WaitForChar detected special condition), or there are no | |
| 4405 * characters available and the child has exited. | |
| 4406 * Only check if the child has exited when there is no more | |
| 4407 * output. The child may exit before all the output has | |
| 4408 * been printed. | |
| 4409 * | |
| 4410 * Currently this busy loops! | |
| 4411 * This can probably dead-lock when the write blocks! | |
| 4412 */ | |
| 4413 p_more_save = p_more; | |
| 4414 p_more = FALSE; | |
| 4415 old_State = State; | |
| 4416 State = EXTERNCMD; /* don't redraw at window resize */ | |
| 4417 | |
| 602 | 4418 if ((options & SHELL_WRITE) && toshell_fd >= 0) |
| 167 | 4419 { |
| 4420 /* Fork a process that will write the lines to the | |
| 4421 * external program. */ | |
| 4422 if ((wpid = fork()) == -1) | |
| 4423 { | |
| 4424 MSG_PUTS(_("\nCannot fork\n")); | |
| 4425 } | |
| 3048 | 4426 else if (wpid == 0) /* child */ |
| 167 | 4427 { |
| 4428 linenr_T lnum = curbuf->b_op_start.lnum; | |
| 4429 int written = 0; | |
| 944 | 4430 char_u *lp = ml_get(lnum); |
| 167 | 4431 size_t l; |
| 4432 | |
| 177 | 4433 close(fromshell_fd); |
| 167 | 4434 for (;;) |
| 4435 { | |
| 944 | 4436 l = STRLEN(lp + written); |
| 167 | 4437 if (l == 0) |
| 4438 len = 0; | |
| 944 | 4439 else if (lp[written] == NL) |
| 167 | 4440 /* NL -> NUL translation */ |
| 4441 len = write(toshell_fd, "", (size_t)1); | |
| 4442 else | |
| 4443 { | |
| 3263 | 4444 char_u *s = vim_strchr(lp + written, NL); |
| 4445 | |
| 944 | 4446 len = write(toshell_fd, (char *)lp + written, |
| 1877 | 4447 s == NULL ? l |
| 4448 : (size_t)(s - (lp + written))); | |
| 167 | 4449 } |
| 1877 | 4450 if (len == (int)l) |
| 167 | 4451 { |
| 4452 /* Finished a line, add a NL, unless this line | |
| 4453 * should not have one. */ | |
| 4454 if (lnum != curbuf->b_op_end.lnum | |
| 4455 || !curbuf->b_p_bin | |
| 2707 | 4456 || (lnum != curbuf->b_no_eol_lnum |
| 167 | 4457 && (lnum != |
| 4458 curbuf->b_ml.ml_line_count | |
| 4459 || curbuf->b_p_eol))) | |
| 1757 | 4460 ignored = write(toshell_fd, "\n", |
| 4461 (size_t)1); | |
| 167 | 4462 ++lnum; |
| 4463 if (lnum > curbuf->b_op_end.lnum) | |
| 4464 { | |
| 4465 /* finished all the lines, close pipe */ | |
| 4466 close(toshell_fd); | |
| 4467 toshell_fd = -1; | |
| 4468 break; | |
| 4469 } | |
| 944 | 4470 lp = ml_get(lnum); |
| 167 | 4471 written = 0; |
| 4472 } | |
| 4473 else if (len > 0) | |
| 4474 written += len; | |
| 4475 } | |
| 4476 _exit(0); | |
| 4477 } | |
| 3048 | 4478 else /* parent */ |
| 167 | 4479 { |
| 4480 close(toshell_fd); | |
| 4481 toshell_fd = -1; | |
| 4482 } | |
| 4483 } | |
| 4484 | |
| 4485 if (options & SHELL_READ) | |
| 4486 ga_init2(&ga, 1, BUFLEN); | |
| 4487 | |
| 4488 noread_cnt = 0; | |
| 1823 | 4489 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
| 4490 gettimeofday(&start_tv, NULL); | |
| 4491 # endif | |
| 7 | 4492 for (;;) |
| 4493 { | |
| 4494 /* | |
| 4495 * Check if keys have been typed, write them to the child | |
| 592 | 4496 * if there are any. |
| 4497 * Don't do this if we are expanding wild cards (would eat | |
| 4498 * typeahead). | |
| 4499 * Don't do this when filtering and terminal is in cooked | |
| 4500 * mode, the shell command will handle the I/O. Avoids | |
| 4501 * that a typed password is echoed for ssh or gpg command. | |
| 602 | 4502 * Don't get characters when the child has already |
| 4503 * finished (wait_pid == 0). | |
| 167 | 4504 * Don't read characters unless we didn't get output for a |
| 1823 | 4505 * while (noread_cnt > 4), avoids that ":r !ls" eats |
| 4506 * typeahead. | |
| 7 | 4507 */ |
| 4508 len = 0; | |
| 4509 if (!(options & SHELL_EXPAND) | |
| 592 | 4510 && ((options & |
| 4511 (SHELL_READ|SHELL_WRITE|SHELL_COOKED)) | |
| 4512 != (SHELL_READ|SHELL_WRITE|SHELL_COOKED) | |
| 1823 | 4513 # ifdef FEAT_GUI |
| 592 | 4514 || gui.in_use |
| 1823 | 4515 # endif |
| 592 | 4516 ) |
| 602 | 4517 && wait_pid == 0 |
| 1823 | 4518 && (ta_len > 0 || noread_cnt > 4)) |
| 7 | 4519 { |
| 1823 | 4520 if (ta_len == 0) |
| 4521 { | |
| 4522 /* Get extra characters when we don't have any. | |
| 4523 * Reset the counter and timer. */ | |
| 4524 noread_cnt = 0; | |
| 4525 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 4526 gettimeofday(&start_tv, NULL); | |
| 4527 # endif | |
| 4528 len = ui_inchar(ta_buf, BUFLEN, 10L, 0); | |
| 4529 } | |
| 4530 if (ta_len > 0 || len > 0) | |
| 4531 { | |
| 7 | 4532 /* |
| 4533 * For pipes: | |
| 4534 * Check for CTRL-C: send interrupt signal to child. | |
| 4535 * Check for CTRL-D: EOF, close pipe to child. | |
| 4536 */ | |
| 4537 if (len == 1 && (pty_master_fd < 0 || cmd != NULL)) | |
| 4538 { | |
| 167 | 4539 # ifdef SIGINT |
| 7 | 4540 /* |
| 4541 * Send SIGINT to the child's group or all | |
| 4542 * processes in our group. | |
| 4543 */ | |
| 4544 if (ta_buf[ta_len] == Ctrl_C | |
| 4545 || ta_buf[ta_len] == intr_char) | |
| 167 | 4546 { |
| 4547 # ifdef HAVE_SETSID | |
| 7 | 4548 kill(-pid, SIGINT); |
| 167 | 4549 # else |
| 7 | 4550 kill(0, SIGINT); |
| 4551 # endif | |
| 167 | 4552 if (wpid > 0) |
| 4553 kill(wpid, SIGINT); | |
| 4554 } | |
| 4555 # endif | |
| 7 | 4556 if (pty_master_fd < 0 && toshell_fd >= 0 |
| 4557 && ta_buf[ta_len] == Ctrl_D) | |
| 4558 { | |
| 4559 close(toshell_fd); | |
| 4560 toshell_fd = -1; | |
| 4561 } | |
| 4562 } | |
| 4563 | |
| 4564 /* replace K_BS by <BS> and K_DEL by <DEL> */ | |
| 4565 for (i = ta_len; i < ta_len + len; ++i) | |
| 4566 { | |
| 4567 if (ta_buf[i] == CSI && len - i > 2) | |
| 4568 { | |
| 4569 c = TERMCAP2KEY(ta_buf[i + 1], ta_buf[i + 2]); | |
| 4570 if (c == K_DEL || c == K_KDEL || c == K_BS) | |
| 4571 { | |
| 4572 mch_memmove(ta_buf + i + 1, ta_buf + i + 3, | |
| 4573 (size_t)(len - i - 2)); | |
| 4574 if (c == K_DEL || c == K_KDEL) | |
| 4575 ta_buf[i] = DEL; | |
| 4576 else | |
| 4577 ta_buf[i] = Ctrl_H; | |
| 4578 len -= 2; | |
| 4579 } | |
| 4580 } | |
| 4581 else if (ta_buf[i] == '\r') | |
| 4582 ta_buf[i] = '\n'; | |
| 167 | 4583 # ifdef FEAT_MBYTE |
| 7 | 4584 if (has_mbyte) |
| 1903 | 4585 i += (*mb_ptr2len_len)(ta_buf + i, |
| 4586 ta_len + len - i) - 1; | |
| 167 | 4587 # endif |
| 7 | 4588 } |
| 4589 | |
| 4590 /* | |
| 4591 * For pipes: echo the typed characters. | |
| 4592 * For a pty this does not seem to work. | |
| 4593 */ | |
| 4594 if (pty_master_fd < 0) | |
| 4595 { | |
| 4596 for (i = ta_len; i < ta_len + len; ++i) | |
| 4597 { | |
| 4598 if (ta_buf[i] == '\n' || ta_buf[i] == '\b') | |
| 4599 msg_putchar(ta_buf[i]); | |
| 167 | 4600 # ifdef FEAT_MBYTE |
| 7 | 4601 else if (has_mbyte) |
| 4602 { | |
| 474 | 4603 int l = (*mb_ptr2len)(ta_buf + i); |
| 7 | 4604 |
| 4605 msg_outtrans_len(ta_buf + i, l); | |
| 4606 i += l - 1; | |
| 4607 } | |
| 167 | 4608 # endif |
| 7 | 4609 else |
| 4610 msg_outtrans_len(ta_buf + i, 1); | |
| 4611 } | |
| 4612 windgoto(msg_row, msg_col); | |
| 4613 out_flush(); | |
| 4614 } | |
| 4615 | |
| 4616 ta_len += len; | |
| 4617 | |
| 4618 /* | |
| 4619 * Write the characters to the child, unless EOF has | |
| 4620 * been typed for pipes. Write one character at a | |
| 1698 | 4621 * time, to avoid losing too much typeahead. |
| 167 | 4622 * When writing buffer lines, drop the typed |
| 4623 * characters (only check for CTRL-C). | |
| 7 | 4624 */ |
| 167 | 4625 if (options & SHELL_WRITE) |
| 4626 ta_len = 0; | |
| 4627 else if (toshell_fd >= 0) | |
| 7 | 4628 { |
| 4629 len = write(toshell_fd, (char *)ta_buf, (size_t)1); | |
| 4630 if (len > 0) | |
| 4631 { | |
| 4632 ta_len -= len; | |
| 4633 mch_memmove(ta_buf, ta_buf + len, ta_len); | |
| 4634 } | |
| 4635 } | |
| 1823 | 4636 } |
| 7 | 4637 } |
| 4638 | |
| 167 | 4639 if (got_int) |
| 4640 { | |
| 4641 /* CTRL-C sends a signal to the child, we ignore it | |
| 4642 * ourselves */ | |
| 4643 # ifdef HAVE_SETSID | |
| 4644 kill(-pid, SIGINT); | |
| 4645 # else | |
| 4646 kill(0, SIGINT); | |
| 4647 # endif | |
| 4648 if (wpid > 0) | |
| 4649 kill(wpid, SIGINT); | |
| 4650 got_int = FALSE; | |
| 4651 } | |
| 4652 | |
| 7 | 4653 /* |
| 4654 * Check if the child has any characters to be printed. | |
| 4655 * Read them and write them to our window. Repeat this as | |
| 4656 * long as there is something to do, avoid the 10ms wait | |
| 4657 * for mch_inchar(), or sending typeahead characters to | |
| 4658 * the external process. | |
| 4659 * TODO: This should handle escape sequences, compatible | |
| 4660 * to some terminal (vt52?). | |
| 4661 */ | |
| 167 | 4662 ++noread_cnt; |
| 7 | 4663 while (RealWaitForChar(fromshell_fd, 10L, NULL)) |
| 4664 { | |
| 2664 | 4665 len = read_eintr(fromshell_fd, buffer |
| 167 | 4666 # ifdef FEAT_MBYTE |
| 7 | 4667 + buffer_off, (size_t)(BUFLEN - buffer_off) |
| 167 | 4668 # else |
| 7 | 4669 , (size_t)BUFLEN |
| 167 | 4670 # endif |
| 7 | 4671 ); |
| 4672 if (len <= 0) /* end of file or error */ | |
| 4673 goto finished; | |
| 167 | 4674 |
| 4675 noread_cnt = 0; | |
| 4676 if (options & SHELL_READ) | |
| 4677 { | |
| 4678 /* Do NUL -> NL translation, append NL separated | |
| 4679 * lines to the current buffer. */ | |
| 4680 for (i = 0; i < len; ++i) | |
| 4681 { | |
| 4682 if (buffer[i] == NL) | |
| 4683 append_ga_line(&ga); | |
| 4684 else if (buffer[i] == NUL) | |
| 4685 ga_append(&ga, NL); | |
| 4686 else | |
| 4687 ga_append(&ga, buffer[i]); | |
| 4688 } | |
| 4689 } | |
| 4690 # ifdef FEAT_MBYTE | |
| 4691 else if (has_mbyte) | |
| 7 | 4692 { |
| 4693 int l; | |
| 4694 | |
| 167 | 4695 len += buffer_off; |
| 4696 buffer[len] = NUL; | |
| 4697 | |
| 7 | 4698 /* Check if the last character in buffer[] is |
| 4699 * incomplete, keep these bytes for the next | |
| 4700 * round. */ | |
| 4701 for (p = buffer; p < buffer + len; p += l) | |
| 4702 { | |
| 474 | 4703 l = mb_cptr2len(p); |
| 7 | 4704 if (l == 0) |
| 4705 l = 1; /* NUL byte? */ | |
| 4706 else if (MB_BYTE2LEN(*p) != l) | |
| 4707 break; | |
| 4708 } | |
| 4709 if (p == buffer) /* no complete character */ | |
| 4710 { | |
| 4711 /* avoid getting stuck at an illegal byte */ | |
| 4712 if (len >= 12) | |
| 4713 ++p; | |
| 4714 else | |
| 4715 { | |
| 4716 buffer_off = len; | |
| 4717 continue; | |
| 4718 } | |
| 4719 } | |
| 4720 c = *p; | |
| 4721 *p = NUL; | |
| 4722 msg_puts(buffer); | |
| 4723 if (p < buffer + len) | |
| 4724 { | |
| 4725 *p = c; | |
| 4726 buffer_off = (buffer + len) - p; | |
| 4727 mch_memmove(buffer, p, buffer_off); | |
| 4728 continue; | |
| 4729 } | |
| 4730 buffer_off = 0; | |
| 4731 } | |
| 167 | 4732 # endif /* FEAT_MBYTE */ |
| 7 | 4733 else |
| 4734 { | |
| 4735 buffer[len] = NUL; | |
| 4736 msg_puts(buffer); | |
| 4737 } | |
| 4738 | |
| 4739 windgoto(msg_row, msg_col); | |
| 4740 cursor_on(); | |
| 4741 out_flush(); | |
| 4742 if (got_int) | |
| 4743 break; | |
| 1823 | 4744 |
| 4745 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 4746 { | |
| 4747 struct timeval now_tv; | |
| 4748 long msec; | |
| 4749 | |
| 4750 /* Avoid that we keep looping here without | |
| 4751 * checking for a CTRL-C for a long time. Don't | |
| 4752 * break out too often to avoid losing typeahead. */ | |
| 4753 gettimeofday(&now_tv, NULL); | |
| 4754 msec = (now_tv.tv_sec - start_tv.tv_sec) * 1000L | |
| 4755 + (now_tv.tv_usec - start_tv.tv_usec) / 1000L; | |
| 4756 if (msec > 2000) | |
| 4757 { | |
| 4758 noread_cnt = 5; | |
| 4759 break; | |
| 4760 } | |
| 4761 } | |
| 4762 # endif | |
| 7 | 4763 } |
| 4764 | |
| 602 | 4765 /* If we already detected the child has finished break the |
| 4766 * loop now. */ | |
| 4767 if (wait_pid == pid) | |
| 4768 break; | |
| 4769 | |
| 7 | 4770 /* |
| 4771 * Check if the child still exists, before checking for | |
| 1698 | 4772 * typed characters (otherwise we would lose typeahead). |
| 7 | 4773 */ |
| 167 | 4774 # ifdef __NeXT__ |
| 3048 | 4775 wait_pid = wait4(pid, &status, WNOHANG, (struct rusage *)0); |
| 167 | 4776 # else |
| 7 | 4777 wait_pid = waitpid(pid, &status, WNOHANG); |
| 167 | 4778 # endif |
| 7 | 4779 if ((wait_pid == (pid_t)-1 && errno == ECHILD) |
| 4780 || (wait_pid == pid && WIFEXITED(status))) | |
| 4781 { | |
| 602 | 4782 /* Don't break the loop yet, try reading more |
| 4783 * characters from "fromshell_fd" first. When using | |
| 4784 * pipes there might still be something to read and | |
| 4785 * then we'll break the loop at the "break" above. */ | |
| 7 | 4786 wait_pid = pid; |
| 4787 } | |
| 602 | 4788 else |
| 4789 wait_pid = 0; | |
| 4230 | 4790 |
| 4248 | 4791 # if defined(FEAT_XCLIPBOARD) && defined(FEAT_X11) |
| 4230 | 4792 /* Handle any X events, e.g. serving the clipboard. */ |
| 4793 clip_update(); | |
| 4794 # endif | |
| 7 | 4795 } |
| 4796 finished: | |
| 4797 p_more = p_more_save; | |
| 167 | 4798 if (options & SHELL_READ) |
| 4799 { | |
| 4800 if (ga.ga_len > 0) | |
| 4801 { | |
| 4802 append_ga_line(&ga); | |
| 4803 /* remember that the NL was missing */ | |
| 2707 | 4804 curbuf->b_no_eol_lnum = curwin->w_cursor.lnum; |
| 167 | 4805 } |
| 4806 else | |
| 2707 | 4807 curbuf->b_no_eol_lnum = 0; |
| 167 | 4808 ga_clear(&ga); |
| 4809 } | |
| 4810 | |
| 7 | 4811 /* |
| 4812 * Give all typeahead that wasn't used back to ui_inchar(). | |
| 4813 */ | |
| 4814 if (ta_len) | |
| 4815 ui_inchar_undo(ta_buf, ta_len); | |
| 4816 State = old_State; | |
| 4817 if (toshell_fd >= 0) | |
| 4818 close(toshell_fd); | |
| 4819 close(fromshell_fd); | |
| 4820 } | |
| 4248 | 4821 # if defined(FEAT_XCLIPBOARD) && defined(FEAT_X11) |
| 4230 | 4822 else |
| 4823 { | |
| 4824 /* | |
| 4825 * Similar to the loop above, but only handle X events, no | |
| 4826 * I/O. | |
| 4827 */ | |
| 4828 for (;;) | |
| 4829 { | |
| 4830 if (got_int) | |
| 4831 { | |
| 4832 /* CTRL-C sends a signal to the child, we ignore it | |
| 4833 * ourselves */ | |
| 4834 # ifdef HAVE_SETSID | |
| 4835 kill(-pid, SIGINT); | |
| 4836 # else | |
| 4837 kill(0, SIGINT); | |
| 4838 # endif | |
| 4839 got_int = FALSE; | |
| 4840 } | |
| 4841 # ifdef __NeXT__ | |
| 4842 wait_pid = wait4(pid, &status, WNOHANG, (struct rusage *)0); | |
| 4843 # else | |
| 4844 wait_pid = waitpid(pid, &status, WNOHANG); | |
| 4845 # endif | |
| 4846 if ((wait_pid == (pid_t)-1 && errno == ECHILD) | |
| 4847 || (wait_pid == pid && WIFEXITED(status))) | |
| 4848 { | |
| 4849 wait_pid = pid; | |
| 4850 break; | |
| 4851 } | |
| 4852 | |
| 4853 /* Handle any X events, e.g. serving the clipboard. */ | |
| 4854 clip_update(); | |
| 4855 | |
| 4856 mch_delay(10L, TRUE); | |
| 4857 } | |
| 4858 } | |
| 4859 # endif | |
| 7 | 4860 |
| 4861 /* | |
| 4862 * Wait until our child has exited. | |
| 4863 * Ignore wait() returning pids of other children and returning | |
| 4864 * because of some signal like SIGWINCH. | |
| 4865 * Don't wait if wait_pid was already set above, indicating the | |
| 4866 * child already exited. | |
| 4867 */ | |
| 3048 | 4868 if (wait_pid != pid) |
| 4869 wait_pid = wait4pid(pid, &status); | |
| 7 | 4870 |
| 2600 | 4871 # ifdef FEAT_GUI |
| 4872 /* Close slave side of pty. Only do this after the child has | |
| 4873 * exited, otherwise the child may hang when it tries to write on | |
| 4874 * the pty. */ | |
| 4875 if (pty_master_fd >= 0) | |
| 4876 close(pty_slave_fd); | |
| 4877 # endif | |
| 4878 | |
| 167 | 4879 /* Make sure the child that writes to the external program is |
| 4880 * dead. */ | |
| 4881 if (wpid > 0) | |
| 3048 | 4882 { |
| 167 | 4883 kill(wpid, SIGKILL); |
| 3048 | 4884 wait4pid(wpid, NULL); |
| 4885 } | |
| 167 | 4886 |
| 7 | 4887 /* |
| 4888 * Set to raw mode right now, otherwise a CTRL-C after | |
| 4889 * catch_signals() will kill Vim. | |
| 4890 */ | |
| 4891 if (tmode == TMODE_RAW) | |
| 4892 settmode(TMODE_RAW); | |
| 4893 did_settmode = TRUE; | |
| 4894 set_signals(); | |
| 4895 | |
| 4896 if (WIFEXITED(status)) | |
| 4897 { | |
| 129 | 4898 /* LINTED avoid "bitwise operation on signed value" */ |
| 7 | 4899 retval = WEXITSTATUS(status); |
| 4074 | 4900 if (retval != 0 && !emsg_silent) |
| 7 | 4901 { |
| 4902 if (retval == EXEC_FAILED) | |
| 4903 { | |
| 4904 MSG_PUTS(_("\nCannot execute shell ")); | |
| 4905 msg_outtrans(p_sh); | |
| 4906 msg_putchar('\n'); | |
| 4907 } | |
| 4908 else if (!(options & SHELL_SILENT)) | |
| 4909 { | |
| 4910 MSG_PUTS(_("\nshell returned ")); | |
| 4911 msg_outnum((long)retval); | |
| 4912 msg_putchar('\n'); | |
| 4913 } | |
| 4914 } | |
| 4915 } | |
| 4916 else | |
| 4917 MSG_PUTS(_("\nCommand terminated\n")); | |
| 4918 } | |
| 4919 } | |
| 4920 vim_free(argv); | |
| 2994 | 4921 vim_free(p_shcf_copy); |
| 7 | 4922 |
| 4923 error: | |
| 4924 if (!did_settmode) | |
| 4925 if (tmode == TMODE_RAW) | |
| 4926 settmode(TMODE_RAW); /* set to raw mode */ | |
| 4927 # ifdef FEAT_TITLE | |
| 4928 resettitle(); | |
| 4929 # endif | |
| 4930 vim_free(newcmd); | |
| 4931 | |
| 4932 return retval; | |
| 4933 | |
| 4934 #endif /* USE_SYSTEM */ | |
| 4935 } | |
| 4936 | |
| 4937 /* | |
| 4938 * Check for CTRL-C typed by reading all available characters. | |
| 4939 * In cooked mode we should get SIGINT, no need to check. | |
| 4940 */ | |
| 4941 void | |
| 4942 mch_breakcheck() | |
| 4943 { | |
| 4944 if (curr_tmode == TMODE_RAW && RealWaitForChar(read_cmd_fd, 0L, NULL)) | |
| 4945 fill_input_buf(FALSE); | |
| 4946 } | |
| 4947 | |
| 4948 /* | |
| 4949 * Wait "msec" msec until a character is available from the keyboard or from | |
| 4950 * inbuf[]. msec == -1 will block forever. | |
| 4951 * When a GUI is being used, this will never get called -- webb | |
| 4952 */ | |
| 4953 static int | |
| 4954 WaitForChar(msec) | |
| 4955 long msec; | |
| 4956 { | |
| 4957 #ifdef FEAT_MOUSE_GPM | |
| 4958 int gpm_process_wanted; | |
| 4959 #endif | |
| 4960 #ifdef FEAT_XCLIPBOARD | |
| 4961 int rest; | |
| 4962 #endif | |
| 4963 int avail; | |
| 4964 | |
| 4965 if (input_available()) /* something in inbuf[] */ | |
| 4966 return 1; | |
| 4967 | |
| 4968 #if defined(FEAT_MOUSE_DEC) | |
| 4969 /* May need to query the mouse position. */ | |
| 4970 if (WantQueryMouse) | |
| 4971 { | |
| 227 | 4972 WantQueryMouse = FALSE; |
| 7 | 4973 mch_write((char_u *)IF_EB("\033[1'|", ESC_STR "[1'|"), 5); |
| 4974 } | |
| 4975 #endif | |
| 4976 | |
| 4977 /* | |
| 4978 * For FEAT_MOUSE_GPM and FEAT_XCLIPBOARD we loop here to process mouse | |
| 4979 * events. This is a bit complicated, because they might both be defined. | |
| 4980 */ | |
| 4981 #if defined(FEAT_MOUSE_GPM) || defined(FEAT_XCLIPBOARD) | |
| 4982 # ifdef FEAT_XCLIPBOARD | |
| 4983 rest = 0; | |
| 4984 if (do_xterm_trace()) | |
| 4985 rest = msec; | |
| 4986 # endif | |
| 4987 do | |
| 4988 { | |
| 4989 # ifdef FEAT_XCLIPBOARD | |
| 4990 if (rest != 0) | |
| 4991 { | |
| 4992 msec = XT_TRACE_DELAY; | |
| 4993 if (rest >= 0 && rest < XT_TRACE_DELAY) | |
| 4994 msec = rest; | |
| 4995 if (rest >= 0) | |
| 4996 rest -= msec; | |
| 4997 } | |
| 4998 # endif | |
| 4999 # ifdef FEAT_MOUSE_GPM | |
| 5000 gpm_process_wanted = 0; | |
| 5001 avail = RealWaitForChar(read_cmd_fd, msec, &gpm_process_wanted); | |
| 5002 # else | |
| 5003 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
| 5004 # endif | |
| 5005 if (!avail) | |
| 5006 { | |
| 5007 if (input_available()) | |
| 5008 return 1; | |
| 5009 # ifdef FEAT_XCLIPBOARD | |
| 5010 if (rest == 0 || !do_xterm_trace()) | |
| 5011 # endif | |
| 5012 break; | |
| 5013 } | |
| 5014 } | |
| 5015 while (FALSE | |
| 5016 # ifdef FEAT_MOUSE_GPM | |
| 5017 || (gpm_process_wanted && mch_gpm_process() == 0) | |
| 5018 # endif | |
| 5019 # ifdef FEAT_XCLIPBOARD | |
| 5020 || (!avail && rest != 0) | |
| 5021 # endif | |
| 5022 ); | |
| 5023 | |
| 5024 #else | |
| 5025 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
| 5026 #endif | |
| 5027 return avail; | |
| 5028 } | |
| 5029 | |
| 5030 /* | |
| 5031 * Wait "msec" msec until a character is available from file descriptor "fd". | |
| 3046 | 5032 * "msec" == 0 will check for characters once. |
| 5033 * "msec" == -1 will block until a character is available. | |
| 7 | 5034 * When a GUI is being used, this will not be used for input -- webb |
| 5035 * Returns also, when a request from Sniff is waiting -- toni. | |
| 5036 * Or when a Linux GPM mouse event is waiting. | |
| 5037 */ | |
| 5038 #if defined(__BEOS__) | |
| 5039 int | |
| 5040 #else | |
| 5041 static int | |
| 5042 #endif | |
| 5043 RealWaitForChar(fd, msec, check_for_gpm) | |
| 5044 int fd; | |
| 5045 long msec; | |
| 1877 | 5046 int *check_for_gpm UNUSED; |
| 7 | 5047 { |
| 5048 int ret; | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5049 #ifdef FEAT_NETBEANS_INTG |
| 2210 | 5050 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
|
5051 #endif |
| 14 | 5052 #if defined(FEAT_XCLIPBOARD) || defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
| 7 | 5053 static int busy = FALSE; |
| 5054 | |
| 5055 /* May retry getting characters after an event was handled. */ | |
| 5056 # define MAY_LOOP | |
| 5057 | |
| 5058 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 5059 /* Remember at what time we started, so that we know how much longer we | |
| 5060 * should wait after being interrupted. */ | |
| 5061 # define USE_START_TV | |
| 5062 struct timeval start_tv; | |
| 5063 | |
| 5064 if (msec > 0 && ( | |
| 5065 # ifdef FEAT_XCLIPBOARD | |
| 5066 xterm_Shell != (Widget)0 | |
| 14 | 5067 # if defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
| 7 | 5068 || |
| 5069 # endif | |
| 5070 # endif | |
| 5071 # ifdef USE_XSMP | |
| 5072 xsmp_icefd != -1 | |
| 14 | 5073 # ifdef FEAT_MZSCHEME |
| 5074 || | |
| 5075 # endif | |
| 5076 # endif | |
| 5077 # ifdef FEAT_MZSCHEME | |
| 5078 (mzthreads_allowed() && p_mzq > 0) | |
| 7 | 5079 # endif |
| 5080 )) | |
| 5081 gettimeofday(&start_tv, NULL); | |
| 5082 # endif | |
| 5083 | |
| 5084 /* Handle being called recursively. This may happen for the session | |
| 5085 * manager stuff, it may save the file, which does a breakcheck. */ | |
| 5086 if (busy) | |
| 5087 return 0; | |
| 5088 #endif | |
| 5089 | |
| 5090 #ifdef MAY_LOOP | |
| 407 | 5091 for (;;) |
| 7 | 5092 #endif |
| 5093 { | |
| 5094 #ifdef MAY_LOOP | |
| 5095 int finished = TRUE; /* default is to 'loop' just once */ | |
| 14 | 5096 # ifdef FEAT_MZSCHEME |
| 5097 int mzquantum_used = FALSE; | |
| 5098 # endif | |
| 7 | 5099 #endif |
| 5100 #ifndef HAVE_SELECT | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5101 struct pollfd fds[6]; |
| 7 | 5102 int nfd; |
| 5103 # ifdef FEAT_XCLIPBOARD | |
| 5104 int xterm_idx = -1; | |
| 5105 # endif | |
| 5106 # ifdef FEAT_MOUSE_GPM | |
| 5107 int gpm_idx = -1; | |
| 5108 # endif | |
| 5109 # ifdef USE_XSMP | |
| 5110 int xsmp_idx = -1; | |
| 5111 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5112 # ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5113 int nb_idx = -1; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5114 # endif |
| 14 | 5115 int towait = (int)msec; |
| 5116 | |
| 5117 # ifdef FEAT_MZSCHEME | |
| 5118 mzvim_check_threads(); | |
| 5119 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
| 5120 { | |
| 5121 towait = (int)p_mzq; /* don't wait longer than 'mzquantum' */ | |
| 5122 mzquantum_used = TRUE; | |
| 5123 } | |
| 5124 # endif | |
| 7 | 5125 fds[0].fd = fd; |
| 5126 fds[0].events = POLLIN; | |
| 5127 nfd = 1; | |
| 5128 | |
| 5129 # ifdef FEAT_SNIFF | |
| 5130 # define SNIFF_IDX 1 | |
| 5131 if (want_sniff_request) | |
| 5132 { | |
| 5133 fds[SNIFF_IDX].fd = fd_from_sniff; | |
| 5134 fds[SNIFF_IDX].events = POLLIN; | |
| 5135 nfd++; | |
| 5136 } | |
| 5137 # endif | |
| 5138 # ifdef FEAT_XCLIPBOARD | |
| 5139 if (xterm_Shell != (Widget)0) | |
| 5140 { | |
| 5141 xterm_idx = nfd; | |
| 5142 fds[nfd].fd = ConnectionNumber(xterm_dpy); | |
| 5143 fds[nfd].events = POLLIN; | |
| 5144 nfd++; | |
| 5145 } | |
| 5146 # endif | |
| 5147 # ifdef FEAT_MOUSE_GPM | |
| 5148 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
| 5149 { | |
| 5150 gpm_idx = nfd; | |
| 5151 fds[nfd].fd = gpm_fd; | |
| 5152 fds[nfd].events = POLLIN; | |
| 5153 nfd++; | |
| 5154 } | |
| 5155 # endif | |
| 5156 # ifdef USE_XSMP | |
| 5157 if (xsmp_icefd != -1) | |
| 5158 { | |
| 5159 xsmp_idx = nfd; | |
| 5160 fds[nfd].fd = xsmp_icefd; | |
| 5161 fds[nfd].events = POLLIN; | |
| 5162 nfd++; | |
| 5163 } | |
| 5164 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5165 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5166 if (nb_fd != -1) |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5167 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5168 nb_idx = nfd; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5169 fds[nfd].fd = nb_fd; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5170 fds[nfd].events = POLLIN; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5171 nfd++; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5172 } |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5173 #endif |
| 7 | 5174 |
| 14 | 5175 ret = poll(fds, nfd, towait); |
| 5176 # ifdef FEAT_MZSCHEME | |
| 5177 if (ret == 0 && mzquantum_used) | |
| 1450 | 5178 /* MzThreads scheduling is required and timeout occurred */ |
| 14 | 5179 finished = FALSE; |
| 5180 # endif | |
| 7 | 5181 |
| 5182 # ifdef FEAT_SNIFF | |
| 5183 if (ret < 0) | |
| 5184 sniff_disconnect(1); | |
| 5185 else if (want_sniff_request) | |
| 5186 { | |
| 5187 if (fds[SNIFF_IDX].revents & POLLHUP) | |
| 5188 sniff_disconnect(1); | |
| 5189 if (fds[SNIFF_IDX].revents & POLLIN) | |
| 5190 sniff_request_waiting = 1; | |
| 5191 } | |
| 5192 # endif | |
| 5193 # ifdef FEAT_XCLIPBOARD | |
| 5194 if (xterm_Shell != (Widget)0 && (fds[xterm_idx].revents & POLLIN)) | |
| 5195 { | |
| 5196 xterm_update(); /* Maybe we should hand out clipboard */ | |
| 5197 if (--ret == 0 && !input_available()) | |
| 5198 /* Try again */ | |
| 5199 finished = FALSE; | |
| 5200 } | |
| 5201 # endif | |
| 5202 # ifdef FEAT_MOUSE_GPM | |
| 5203 if (gpm_idx >= 0 && (fds[gpm_idx].revents & POLLIN)) | |
| 5204 { | |
| 5205 *check_for_gpm = 1; | |
| 5206 } | |
| 5207 # endif | |
| 5208 # ifdef USE_XSMP | |
| 5209 if (xsmp_idx >= 0 && (fds[xsmp_idx].revents & (POLLIN | POLLHUP))) | |
| 5210 { | |
| 5211 if (fds[xsmp_idx].revents & POLLIN) | |
| 5212 { | |
| 5213 busy = TRUE; | |
| 5214 xsmp_handle_requests(); | |
| 5215 busy = FALSE; | |
| 5216 } | |
| 5217 else if (fds[xsmp_idx].revents & POLLHUP) | |
| 5218 { | |
| 5219 if (p_verbose > 0) | |
| 292 | 5220 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 5221 xsmp_close(); |
| 5222 } | |
| 5223 if (--ret == 0) | |
| 14 | 5224 finished = FALSE; /* Try again */ |
| 7 | 5225 } |
| 5226 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5227 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5228 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
|
5229 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5230 netbeans_read(); |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5231 --ret; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5232 } |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5233 #endif |
| 7 | 5234 |
| 5235 | |
| 5236 #else /* HAVE_SELECT */ | |
| 5237 | |
| 5238 struct timeval tv; | |
| 14 | 5239 struct timeval *tvp; |
| 7 | 5240 fd_set rfds, efds; |
| 5241 int maxfd; | |
| 14 | 5242 long towait = msec; |
| 5243 | |
| 5244 # ifdef FEAT_MZSCHEME | |
| 5245 mzvim_check_threads(); | |
| 5246 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
| 5247 { | |
| 5248 towait = p_mzq; /* don't wait longer than 'mzquantum' */ | |
| 5249 mzquantum_used = TRUE; | |
| 5250 } | |
| 5251 # endif | |
| 7 | 5252 # ifdef __EMX__ |
| 5253 /* don't check for incoming chars if not in raw mode, because select() | |
| 5254 * always returns TRUE then (in some version of emx.dll) */ | |
| 5255 if (curr_tmode != TMODE_RAW) | |
| 5256 return 0; | |
| 5257 # endif | |
| 5258 | |
| 14 | 5259 if (towait >= 0) |
| 7 | 5260 { |
| 14 | 5261 tv.tv_sec = towait / 1000; |
| 5262 tv.tv_usec = (towait % 1000) * (1000000/1000); | |
| 5263 tvp = &tv; | |
| 7 | 5264 } |
| 14 | 5265 else |
| 5266 tvp = NULL; | |
| 7 | 5267 |
| 5268 /* | |
| 5269 * Select on ready for reading and exceptional condition (end of file). | |
| 5270 */ | |
| 3046 | 5271 select_eintr: |
| 5272 FD_ZERO(&rfds); | |
| 7 | 5273 FD_ZERO(&efds); |
| 5274 FD_SET(fd, &rfds); | |
| 5275 # if !defined(__QNX__) && !defined(__CYGWIN32__) | |
| 5276 /* For QNX select() always returns 1 if this is set. Why? */ | |
| 5277 FD_SET(fd, &efds); | |
| 5278 # endif | |
| 5279 maxfd = fd; | |
| 5280 | |
| 5281 # ifdef FEAT_SNIFF | |
| 5282 if (want_sniff_request) | |
| 5283 { | |
| 5284 FD_SET(fd_from_sniff, &rfds); | |
| 5285 FD_SET(fd_from_sniff, &efds); | |
| 5286 if (maxfd < fd_from_sniff) | |
| 5287 maxfd = fd_from_sniff; | |
| 5288 } | |
| 5289 # endif | |
| 5290 # ifdef FEAT_XCLIPBOARD | |
| 5291 if (xterm_Shell != (Widget)0) | |
| 5292 { | |
| 5293 FD_SET(ConnectionNumber(xterm_dpy), &rfds); | |
| 5294 if (maxfd < ConnectionNumber(xterm_dpy)) | |
| 5295 maxfd = ConnectionNumber(xterm_dpy); | |
| 3748 | 5296 |
| 5297 /* An event may have already been read but not handled. In | |
| 5298 * particulary, XFlush may cause this. */ | |
| 5299 xterm_update(); | |
| 7 | 5300 } |
| 5301 # endif | |
| 5302 # ifdef FEAT_MOUSE_GPM | |
| 5303 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
| 5304 { | |
| 5305 FD_SET(gpm_fd, &rfds); | |
| 5306 FD_SET(gpm_fd, &efds); | |
| 5307 if (maxfd < gpm_fd) | |
| 5308 maxfd = gpm_fd; | |
| 5309 } | |
| 5310 # endif | |
| 5311 # ifdef USE_XSMP | |
| 5312 if (xsmp_icefd != -1) | |
| 5313 { | |
| 5314 FD_SET(xsmp_icefd, &rfds); | |
| 5315 FD_SET(xsmp_icefd, &efds); | |
| 5316 if (maxfd < xsmp_icefd) | |
| 5317 maxfd = xsmp_icefd; | |
| 5318 } | |
| 5319 # endif | |
| 3748 | 5320 # ifdef FEAT_NETBEANS_INTG |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5321 if (nb_fd != -1) |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5322 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5323 FD_SET(nb_fd, &rfds); |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5324 if (maxfd < nb_fd) |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5325 maxfd = nb_fd; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5326 } |
| 3748 | 5327 # endif |
| 7 | 5328 |
| 5329 # ifdef OLD_VMS | |
| 5330 /* Old VMS as v6.2 and older have broken select(). It waits more than | |
| 5331 * required. Should not be used */ | |
| 5332 ret = 0; | |
| 5333 # else | |
| 14 | 5334 ret = select(maxfd + 1, &rfds, NULL, &efds, tvp); |
| 5335 # endif | |
| 3046 | 5336 # ifdef EINTR |
| 5337 if (ret == -1 && errno == EINTR) | |
| 3133 | 5338 { |
| 5339 /* Check whether window has been resized, EINTR may be caused by | |
| 5340 * SIGWINCH. */ | |
| 5341 if (do_resize) | |
| 5342 handle_resize(); | |
| 5343 | |
| 3046 | 5344 /* Interrupted by a signal, need to try again. We ignore msec |
| 5345 * here, because we do want to check even after a timeout if | |
| 5346 * characters are available. Needed for reading output of an | |
| 5347 * external command after the process has finished. */ | |
| 5348 goto select_eintr; | |
| 3133 | 5349 } |
| 3046 | 5350 # endif |
| 1076 | 5351 # ifdef __TANDEM |
| 5352 if (ret == -1 && errno == ENOTSUP) | |
| 5353 { | |
| 5354 FD_ZERO(&rfds); | |
| 5355 FD_ZERO(&efds); | |
| 5356 ret = 0; | |
| 5357 } | |
| 3046 | 5358 # endif |
| 14 | 5359 # ifdef FEAT_MZSCHEME |
| 5360 if (ret == 0 && mzquantum_used) | |
| 1450 | 5361 /* loop if MzThreads must be scheduled and timeout occurred */ |
| 14 | 5362 finished = FALSE; |
| 7 | 5363 # endif |
| 5364 | |
| 5365 # ifdef FEAT_SNIFF | |
| 5366 if (ret < 0 ) | |
| 5367 sniff_disconnect(1); | |
| 5368 else if (ret > 0 && want_sniff_request) | |
| 5369 { | |
| 5370 if (FD_ISSET(fd_from_sniff, &efds)) | |
| 5371 sniff_disconnect(1); | |
| 5372 if (FD_ISSET(fd_from_sniff, &rfds)) | |
| 5373 sniff_request_waiting = 1; | |
| 5374 } | |
| 5375 # endif | |
| 5376 # ifdef FEAT_XCLIPBOARD | |
| 5377 if (ret > 0 && xterm_Shell != (Widget)0 | |
| 5378 && FD_ISSET(ConnectionNumber(xterm_dpy), &rfds)) | |
| 5379 { | |
| 5380 xterm_update(); /* Maybe we should hand out clipboard */ | |
| 5381 /* continue looping when we only got the X event and the input | |
| 5382 * buffer is empty */ | |
| 5383 if (--ret == 0 && !input_available()) | |
| 5384 { | |
| 5385 /* Try again */ | |
| 5386 finished = FALSE; | |
| 5387 } | |
| 5388 } | |
| 5389 # endif | |
| 5390 # ifdef FEAT_MOUSE_GPM | |
| 5391 if (ret > 0 && gpm_flag && check_for_gpm != NULL && gpm_fd >= 0) | |
| 5392 { | |
| 5393 if (FD_ISSET(gpm_fd, &efds)) | |
| 5394 gpm_close(); | |
| 5395 else if (FD_ISSET(gpm_fd, &rfds)) | |
| 5396 *check_for_gpm = 1; | |
| 5397 } | |
| 5398 # endif | |
| 5399 # ifdef USE_XSMP | |
| 5400 if (ret > 0 && xsmp_icefd != -1) | |
| 5401 { | |
| 5402 if (FD_ISSET(xsmp_icefd, &efds)) | |
| 5403 { | |
| 5404 if (p_verbose > 0) | |
| 292 | 5405 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 5406 xsmp_close(); |
| 5407 if (--ret == 0) | |
| 5408 finished = FALSE; /* keep going if event was only one */ | |
| 5409 } | |
| 5410 else if (FD_ISSET(xsmp_icefd, &rfds)) | |
| 5411 { | |
| 5412 busy = TRUE; | |
| 5413 xsmp_handle_requests(); | |
| 5414 busy = FALSE; | |
| 5415 if (--ret == 0) | |
| 5416 finished = FALSE; /* keep going if event was only one */ | |
| 5417 } | |
| 5418 } | |
| 5419 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5420 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5421 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
|
5422 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5423 netbeans_read(); |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5424 --ret; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5425 } |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5426 #endif |
| 7 | 5427 |
| 5428 #endif /* HAVE_SELECT */ | |
| 5429 | |
| 5430 #ifdef MAY_LOOP | |
| 5431 if (finished || msec == 0) | |
| 5432 break; | |
| 5433 | |
| 5434 /* We're going to loop around again, find out for how long */ | |
| 5435 if (msec > 0) | |
| 5436 { | |
| 5437 # ifdef USE_START_TV | |
| 5438 struct timeval mtv; | |
| 5439 | |
| 5440 /* Compute remaining wait time. */ | |
| 5441 gettimeofday(&mtv, NULL); | |
| 5442 msec -= (mtv.tv_sec - start_tv.tv_sec) * 1000L | |
| 5443 + (mtv.tv_usec - start_tv.tv_usec) / 1000L; | |
| 5444 # else | |
| 5445 /* Guess we got interrupted halfway. */ | |
| 5446 msec = msec / 2; | |
| 5447 # endif | |
| 5448 if (msec <= 0) | |
| 5449 break; /* waited long enough */ | |
| 5450 } | |
| 5451 #endif | |
| 5452 } | |
| 5453 | |
| 5454 return (ret > 0); | |
| 5455 } | |
| 5456 | |
| 5457 #ifndef VMS | |
| 5458 | |
| 5459 #ifndef NO_EXPANDPATH | |
| 5460 /* | |
| 444 | 5461 * Expand a path into all matching files and/or directories. Handles "*", |
| 5462 * "?", "[a-z]", "**", etc. | |
| 5463 * "path" has backslashes before chars that are not to be expanded. | |
| 5464 * Returns the number of matches found. | |
| 7 | 5465 */ |
| 5466 int | |
| 5467 mch_expandpath(gap, path, flags) | |
| 5468 garray_T *gap; | |
| 5469 char_u *path; | |
| 5470 int flags; /* EW_* flags */ | |
| 5471 { | |
| 444 | 5472 return unix_expandpath(gap, path, 0, flags, FALSE); |
| 7 | 5473 } |
| 5474 #endif | |
| 5475 | |
| 5476 /* | |
| 5477 * mch_expand_wildcards() - this code does wild-card pattern matching using | |
| 5478 * the shell | |
| 5479 * | |
| 5480 * return OK for success, FAIL for error (you may lose some memory) and put | |
| 5481 * an error message in *file. | |
| 5482 * | |
| 5483 * num_pat is number of input patterns | |
| 5484 * pat is array of pointers to input patterns | |
| 5485 * num_file is pointer to number of matched file names | |
| 5486 * file is pointer to array of pointers to matched file names | |
| 5487 */ | |
| 5488 | |
| 5489 #ifndef SEEK_SET | |
| 5490 # define SEEK_SET 0 | |
| 5491 #endif | |
| 5492 #ifndef SEEK_END | |
| 5493 # define SEEK_END 2 | |
| 5494 #endif | |
| 5495 | |
| 822 | 5496 #define SHELL_SPECIAL (char_u *)"\t \"&'$;<>()\\|" |
| 628 | 5497 |
| 7 | 5498 int |
| 5499 mch_expand_wildcards(num_pat, pat, num_file, file, flags) | |
| 5500 int num_pat; | |
| 5501 char_u **pat; | |
| 5502 int *num_file; | |
| 5503 char_u ***file; | |
| 5504 int flags; /* EW_* flags */ | |
| 5505 { | |
| 5506 int i; | |
| 5507 size_t len; | |
| 5508 char_u *p; | |
| 5509 int dir; | |
| 5510 #ifdef __EMX__ | |
| 1508 | 5511 /* |
| 5512 * This is the OS/2 implementation. | |
| 5513 */ | |
| 7 | 5514 # define EXPL_ALLOC_INC 16 |
| 5515 char_u **expl_files; | |
| 5516 size_t files_alloced, files_free; | |
| 5517 char_u *buf; | |
| 5518 int has_wildcard; | |
| 5519 | |
| 5520 *num_file = 0; /* default: no files found */ | |
| 5521 files_alloced = EXPL_ALLOC_INC; /* how much space is allocated */ | |
| 5522 files_free = EXPL_ALLOC_INC; /* how much space is not used */ | |
| 5523 *file = (char_u **)alloc(sizeof(char_u **) * files_alloced); | |
| 5524 if (*file == NULL) | |
| 5525 return FAIL; | |
| 5526 | |
| 5527 for (; num_pat > 0; num_pat--, pat++) | |
| 5528 { | |
| 5529 expl_files = NULL; | |
| 5530 if (vim_strchr(*pat, '$') || vim_strchr(*pat, '~')) | |
| 5531 /* expand environment var or home dir */ | |
| 5532 buf = expand_env_save(*pat); | |
| 5533 else | |
| 5534 buf = vim_strsave(*pat); | |
| 5535 expl_files = NULL; | |
| 99 | 5536 has_wildcard = mch_has_exp_wildcard(buf); /* (still) wildcards? */ |
| 7 | 5537 if (has_wildcard) /* yes, so expand them */ |
| 5538 expl_files = (char_u **)_fnexplode(buf); | |
| 5539 | |
| 5540 /* | |
| 5541 * return value of buf if no wildcards left, | |
| 5542 * OR if no match AND EW_NOTFOUND is set. | |
| 5543 */ | |
| 5544 if ((!has_wildcard && ((flags & EW_NOTFOUND) || mch_getperm(buf) >= 0)) | |
| 5545 || (expl_files == NULL && (flags & EW_NOTFOUND))) | |
| 5546 { /* simply save the current contents of *buf */ | |
| 5547 expl_files = (char_u **)alloc(sizeof(char_u **) * 2); | |
| 5548 if (expl_files != NULL) | |
| 5549 { | |
| 5550 expl_files[0] = vim_strsave(buf); | |
| 5551 expl_files[1] = NULL; | |
| 5552 } | |
| 5553 } | |
| 5554 vim_free(buf); | |
| 5555 | |
| 5556 /* | |
| 5557 * Count number of names resulting from expansion, | |
| 5558 * At the same time add a backslash to the end of names that happen to | |
| 5559 * be directories, and replace slashes with backslashes. | |
| 5560 */ | |
| 5561 if (expl_files) | |
| 5562 { | |
| 5563 for (i = 0; (p = expl_files[i]) != NULL; i++) | |
| 5564 { | |
| 5565 dir = mch_isdir(p); | |
| 5566 /* If we don't want dirs and this is one, skip it */ | |
| 5567 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
| 5568 continue; | |
| 5569 | |
| 715 | 5570 /* Skip files that are not executable if we check for that. */ |
| 5571 if (!dir && (flags & EW_EXEC) && !mch_can_exe(p)) | |
| 5572 continue; | |
| 5573 | |
| 7 | 5574 if (--files_free == 0) |
| 5575 { | |
| 5576 /* need more room in table of pointers */ | |
| 5577 files_alloced += EXPL_ALLOC_INC; | |
| 5578 *file = (char_u **)vim_realloc(*file, | |
| 5579 sizeof(char_u **) * files_alloced); | |
| 5580 if (*file == NULL) | |
| 5581 { | |
| 5582 EMSG(_(e_outofmem)); | |
| 5583 *num_file = 0; | |
| 5584 return FAIL; | |
| 5585 } | |
| 5586 files_free = EXPL_ALLOC_INC; | |
| 5587 } | |
| 5588 slash_adjust(p); | |
| 5589 if (dir) | |
| 5590 { | |
| 5591 /* For a directory we add a '/', unless it's already | |
| 5592 * there. */ | |
| 5593 len = STRLEN(p); | |
| 5594 if (((*file)[*num_file] = alloc(len + 2)) != NULL) | |
| 5595 { | |
| 5596 STRCPY((*file)[*num_file], p); | |
| 902 | 5597 if (!after_pathsep((*file)[*num_file], |
| 5598 (*file)[*num_file] + len)) | |
| 7 | 5599 { |
| 5600 (*file)[*num_file][len] = psepc; | |
| 39 | 5601 (*file)[*num_file][len + 1] = NUL; |
| 7 | 5602 } |
| 5603 } | |
| 5604 } | |
| 5605 else | |
| 5606 { | |
| 5607 (*file)[*num_file] = vim_strsave(p); | |
| 5608 } | |
| 5609 | |
| 5610 /* | |
| 5611 * Error message already given by either alloc or vim_strsave. | |
| 5612 * Should return FAIL, but returning OK works also. | |
| 5613 */ | |
| 5614 if ((*file)[*num_file] == NULL) | |
| 5615 break; | |
| 5616 (*num_file)++; | |
| 5617 } | |
| 5618 _fnexplodefree((char **)expl_files); | |
| 5619 } | |
| 5620 } | |
| 5621 return OK; | |
| 5622 | |
| 5623 #else /* __EMX__ */ | |
| 1508 | 5624 /* |
| 5625 * This is the non-OS/2 implementation (really Unix). | |
| 5626 */ | |
| 7 | 5627 int j; |
| 5628 char_u *tempname; | |
| 5629 char_u *command; | |
| 5630 FILE *fd; | |
| 5631 char_u *buffer; | |
| 1508 | 5632 #define STYLE_ECHO 0 /* use "echo", the default */ |
| 5633 #define STYLE_GLOB 1 /* use "glob", for csh */ | |
| 5634 #define STYLE_VIMGLOB 2 /* use "vimglob", for Posix sh */ | |
| 5635 #define STYLE_PRINT 3 /* use "print -N", for zsh */ | |
| 5636 #define STYLE_BT 4 /* `cmd` expansion, execute the pattern | |
| 5637 * directly */ | |
| 7 | 5638 int shell_style = STYLE_ECHO; |
| 5639 int check_spaces; | |
| 5640 static int did_find_nul = FALSE; | |
| 5641 int ampersent = FALSE; | |
| 1508 | 5642 /* vimglob() function to define for Posix shell */ |
| 1620 | 5643 static char *sh_vimglob_func = "vimglob() { while [ $# -ge 1 ]; do echo \"$1\"; shift; done }; vimglob >"; |
| 7 | 5644 |
| 5645 *num_file = 0; /* default: no files found */ | |
| 5646 *file = NULL; | |
| 5647 | |
| 5648 /* | |
| 5649 * If there are no wildcards, just copy the names to allocated memory. | |
| 5650 * Saves a lot of time, because we don't have to start a new shell. | |
| 5651 */ | |
| 5652 if (!have_wildcard(num_pat, pat)) | |
| 5653 return save_patterns(num_pat, pat, num_file, file); | |
| 5654 | |
| 428 | 5655 # ifdef HAVE_SANDBOX |
| 5656 /* Don't allow any shell command in the sandbox. */ | |
| 5657 if (sandbox != 0 && check_secure()) | |
| 5658 return FAIL; | |
| 5659 # endif | |
| 5660 | |
| 7 | 5661 /* |
| 5662 * Don't allow the use of backticks in secure and restricted mode. | |
| 5663 */ | |
| 428 | 5664 if (secure || restricted) |
| 7 | 5665 for (i = 0; i < num_pat; ++i) |
| 5666 if (vim_strchr(pat[i], '`') != NULL | |
| 5667 && (check_restricted() || check_secure())) | |
| 5668 return FAIL; | |
| 5669 | |
| 5670 /* | |
| 5671 * get a name for the temp file | |
| 5672 */ | |
| 5673 if ((tempname = vim_tempname('o')) == NULL) | |
| 5674 { | |
| 5675 EMSG(_(e_notmp)); | |
| 5676 return FAIL; | |
| 5677 } | |
| 5678 | |
| 5679 /* | |
| 5680 * Let the shell expand the patterns and write the result into the temp | |
| 1508 | 5681 * file. |
| 5682 * STYLE_BT: NL separated | |
| 5683 * If expanding `cmd` execute it directly. | |
| 5684 * STYLE_GLOB: NUL separated | |
| 5685 * If we use *csh, "glob" will work better than "echo". | |
| 5686 * STYLE_PRINT: NL or NUL separated | |
| 5687 * If we use *zsh, "print -N" will work better than "glob". | |
| 5688 * STYLE_VIMGLOB: NL separated | |
| 5689 * If we use *sh*, we define "vimglob()". | |
| 5690 * STYLE_ECHO: space separated. | |
| 5691 * A shell we don't know, stay safe and use "echo". | |
| 7 | 5692 */ |
| 5693 if (num_pat == 1 && *pat[0] == '`' | |
| 5694 && (len = STRLEN(pat[0])) > 2 | |
| 5695 && *(pat[0] + len - 1) == '`') | |
| 5696 shell_style = STYLE_BT; | |
| 5697 else if ((len = STRLEN(p_sh)) >= 3) | |
| 5698 { | |
| 5699 if (STRCMP(p_sh + len - 3, "csh") == 0) | |
| 5700 shell_style = STYLE_GLOB; | |
| 5701 else if (STRCMP(p_sh + len - 3, "zsh") == 0) | |
| 5702 shell_style = STYLE_PRINT; | |
| 5703 } | |
| 1508 | 5704 if (shell_style == STYLE_ECHO && strstr((char *)gettail(p_sh), |
| 5705 "sh") != NULL) | |
| 5706 shell_style = STYLE_VIMGLOB; | |
| 5707 | |
| 5708 /* Compute the length of the command. We need 2 extra bytes: for the | |
| 5709 * optional '&' and for the NUL. | |
| 5710 * Worst case: "unset nonomatch; print -N >" plus two is 29 */ | |
| 7 | 5711 len = STRLEN(tempname) + 29; |
| 1508 | 5712 if (shell_style == STYLE_VIMGLOB) |
| 5713 len += STRLEN(sh_vimglob_func); | |
| 5714 | |
| 147 | 5715 for (i = 0; i < num_pat; ++i) |
| 5716 { | |
| 5717 /* Count the length of the patterns in the same way as they are put in | |
| 5718 * "command" below. */ | |
| 5719 #ifdef USE_SYSTEM | |
| 7 | 5720 len += STRLEN(pat[i]) + 3; /* add space and two quotes */ |
| 147 | 5721 #else |
| 5722 ++len; /* add space */ | |
| 628 | 5723 for (j = 0; pat[i][j] != NUL; ++j) |
| 5724 { | |
| 5725 if (vim_strchr(SHELL_SPECIAL, pat[i][j]) != NULL) | |
| 5726 ++len; /* may add a backslash */ | |
| 5727 ++len; | |
| 5728 } | |
| 147 | 5729 #endif |
| 5730 } | |
| 7 | 5731 command = alloc(len); |
| 5732 if (command == NULL) | |
| 5733 { | |
| 5734 /* out of memory */ | |
| 5735 vim_free(tempname); | |
| 5736 return FAIL; | |
| 5737 } | |
| 5738 | |
| 5739 /* | |
| 5740 * Build the shell command: | |
| 5741 * - Set $nonomatch depending on EW_NOTFOUND (hopefully the shell | |
| 5742 * recognizes this). | |
| 5743 * - Add the shell command to print the expanded names. | |
| 5744 * - Add the temp file name. | |
| 5745 * - Add the file name patterns. | |
| 5746 */ | |
| 5747 if (shell_style == STYLE_BT) | |
| 5748 { | |
| 628 | 5749 /* change `command; command& ` to (command; command ) */ |
| 5750 STRCPY(command, "("); | |
| 5751 STRCAT(command, pat[0] + 1); /* exclude first backtick */ | |
| 7 | 5752 p = command + STRLEN(command) - 1; |
| 628 | 5753 *p-- = ')'; /* remove last backtick */ |
| 7 | 5754 while (p > command && vim_iswhite(*p)) |
| 5755 --p; | |
| 5756 if (*p == '&') /* remove trailing '&' */ | |
| 5757 { | |
| 5758 ampersent = TRUE; | |
| 5759 *p = ' '; | |
| 5760 } | |
| 5761 STRCAT(command, ">"); | |
| 5762 } | |
| 5763 else | |
| 5764 { | |
| 5765 if (flags & EW_NOTFOUND) | |
| 5766 STRCPY(command, "set nonomatch; "); | |
| 5767 else | |
| 5768 STRCPY(command, "unset nonomatch; "); | |
| 5769 if (shell_style == STYLE_GLOB) | |
| 5770 STRCAT(command, "glob >"); | |
| 5771 else if (shell_style == STYLE_PRINT) | |
| 5772 STRCAT(command, "print -N >"); | |
| 1508 | 5773 else if (shell_style == STYLE_VIMGLOB) |
| 5774 STRCAT(command, sh_vimglob_func); | |
| 7 | 5775 else |
| 5776 STRCAT(command, "echo >"); | |
| 5777 } | |
| 1508 | 5778 |
| 7 | 5779 STRCAT(command, tempname); |
| 1508 | 5780 |
| 7 | 5781 if (shell_style != STYLE_BT) |
| 5782 for (i = 0; i < num_pat; ++i) | |
| 5783 { | |
| 5784 /* When using system() always add extra quotes, because the shell | |
| 628 | 5785 * is started twice. Otherwise put a backslash before special |
| 1450 | 5786 * characters, except inside ``. */ |
| 7 | 5787 #ifdef USE_SYSTEM |
| 5788 STRCAT(command, " \""); | |
| 5789 STRCAT(command, pat[i]); | |
| 5790 STRCAT(command, "\""); | |
| 5791 #else | |
| 233 | 5792 int intick = FALSE; |
| 5793 | |
| 7 | 5794 p = command + STRLEN(command); |
| 5795 *p++ = ' '; | |
| 628 | 5796 for (j = 0; pat[i][j] != NUL; ++j) |
| 233 | 5797 { |
| 5798 if (pat[i][j] == '`') | |
| 5799 intick = !intick; | |
| 628 | 5800 else if (pat[i][j] == '\\' && pat[i][j + 1] != NUL) |
| 5801 { | |
| 644 | 5802 /* Remove a backslash, take char literally. But keep |
| 652 | 5803 * backslash inside backticks, before a special character |
| 5804 * and before a backtick. */ | |
| 644 | 5805 if (intick |
| 652 | 5806 || vim_strchr(SHELL_SPECIAL, pat[i][j + 1]) != NULL |
| 5807 || pat[i][j + 1] == '`') | |
| 644 | 5808 *p++ = '\\'; |
| 648 | 5809 ++j; |
| 628 | 5810 } |
| 5811 else if (!intick && vim_strchr(SHELL_SPECIAL, | |
| 233 | 5812 pat[i][j]) != NULL) |
| 628 | 5813 /* Put a backslash before a special character, but not |
| 5814 * when inside ``. */ | |
| 5815 *p++ = '\\'; | |
| 648 | 5816 |
| 5817 /* Copy one character. */ | |
| 5818 *p++ = pat[i][j]; | |
| 233 | 5819 } |
| 7 | 5820 *p = NUL; |
| 5821 #endif | |
| 5822 } | |
| 5823 if (flags & EW_SILENT) | |
| 5824 show_shell_mess = FALSE; | |
| 5825 if (ampersent) | |
| 1508 | 5826 STRCAT(command, "&"); /* put the '&' after the redirection */ |
| 7 | 5827 |
| 5828 /* | |
| 5829 * Using zsh -G: If a pattern has no matches, it is just deleted from | |
| 5830 * the argument list, otherwise zsh gives an error message and doesn't | |
| 5831 * expand any other pattern. | |
| 5832 */ | |
| 5833 if (shell_style == STYLE_PRINT) | |
| 5834 extra_shell_arg = (char_u *)"-G"; /* Use zsh NULL_GLOB option */ | |
| 5835 | |
| 5836 /* | |
| 5837 * If we use -f then shell variables set in .cshrc won't get expanded. | |
| 5838 * vi can do it, so we will too, but it is only necessary if there is a "$" | |
| 5839 * in one of the patterns, otherwise we can still use the fast option. | |
| 5840 */ | |
| 5841 else if (shell_style == STYLE_GLOB && !have_dollars(num_pat, pat)) | |
| 5842 extra_shell_arg = (char_u *)"-f"; /* Use csh fast option */ | |
| 5843 | |
| 5844 /* | |
| 5845 * execute the shell command | |
| 5846 */ | |
| 5847 i = call_shell(command, SHELL_EXPAND | SHELL_SILENT); | |
| 5848 | |
| 5849 /* When running in the background, give it some time to create the temp | |
| 5850 * file, but don't wait for it to finish. */ | |
| 5851 if (ampersent) | |
| 5852 mch_delay(10L, TRUE); | |
| 5853 | |
| 5854 extra_shell_arg = NULL; /* cleanup */ | |
| 5855 show_shell_mess = TRUE; | |
| 5856 vim_free(command); | |
| 5857 | |
| 1508 | 5858 if (i != 0) /* mch_call_shell() failed */ |
| 7 | 5859 { |
| 5860 mch_remove(tempname); | |
| 5861 vim_free(tempname); | |
| 5862 /* | |
| 5863 * With interactive completion, the error message is not printed. | |
| 5864 * However with USE_SYSTEM, I don't know how to turn off error messages | |
| 5865 * from the shell, so screen may still get messed up -- webb. | |
| 5866 */ | |
| 5867 #ifndef USE_SYSTEM | |
| 5868 if (!(flags & EW_SILENT)) | |
| 5869 #endif | |
| 5870 { | |
| 5871 redraw_later_clear(); /* probably messed up screen */ | |
| 5872 msg_putchar('\n'); /* clear bottom line quickly */ | |
| 5873 cmdline_row = Rows - 1; /* continue on last line */ | |
| 5874 #ifdef USE_SYSTEM | |
| 5875 if (!(flags & EW_SILENT)) | |
| 5876 #endif | |
| 5877 { | |
| 5878 MSG(_(e_wildexpand)); | |
| 5879 msg_start(); /* don't overwrite this message */ | |
| 5880 } | |
| 5881 } | |
| 5882 /* If a `cmd` expansion failed, don't list `cmd` as a match, even when | |
| 5883 * EW_NOTFOUND is given */ | |
| 5884 if (shell_style == STYLE_BT) | |
| 5885 return FAIL; | |
| 5886 goto notfound; | |
| 5887 } | |
| 5888 | |
| 5889 /* | |
| 5890 * read the names from the file into memory | |
| 5891 */ | |
| 5892 fd = fopen((char *)tempname, READBIN); | |
| 5893 if (fd == NULL) | |
| 5894 { | |
| 5895 /* Something went wrong, perhaps a file name with a special char. */ | |
| 5896 if (!(flags & EW_SILENT)) | |
| 5897 { | |
| 5898 MSG(_(e_wildexpand)); | |
| 5899 msg_start(); /* don't overwrite this message */ | |
| 5900 } | |
| 5901 vim_free(tempname); | |
| 5902 goto notfound; | |
| 5903 } | |
| 5904 fseek(fd, 0L, SEEK_END); | |
| 5905 len = ftell(fd); /* get size of temp file */ | |
| 5906 fseek(fd, 0L, SEEK_SET); | |
| 5907 buffer = alloc(len + 1); | |
| 5908 if (buffer == NULL) | |
| 5909 { | |
| 5910 /* out of memory */ | |
| 5911 mch_remove(tempname); | |
| 5912 vim_free(tempname); | |
| 5913 fclose(fd); | |
| 5914 return FAIL; | |
| 5915 } | |
| 5916 i = fread((char *)buffer, 1, len, fd); | |
| 5917 fclose(fd); | |
| 5918 mch_remove(tempname); | |
| 1877 | 5919 if (i != (int)len) |
| 7 | 5920 { |
| 5921 /* unexpected read error */ | |
| 5922 EMSG2(_(e_notread), tempname); | |
| 5923 vim_free(tempname); | |
| 5924 vim_free(buffer); | |
| 5925 return FAIL; | |
| 5926 } | |
| 5927 vim_free(tempname); | |
| 5928 | |
| 1508 | 5929 # if defined(__CYGWIN__) || defined(__CYGWIN32__) |
| 7 | 5930 /* Translate <CR><NL> into <NL>. Caution, buffer may contain NUL. */ |
| 5931 p = buffer; | |
| 5932 for (i = 0; i < len; ++i) | |
| 5933 if (!(buffer[i] == CAR && buffer[i + 1] == NL)) | |
| 5934 *p++ = buffer[i]; | |
| 5935 len = p - buffer; | |
| 5936 # endif | |
| 5937 | |
| 5938 | |
| 5939 /* file names are separated with Space */ | |
| 5940 if (shell_style == STYLE_ECHO) | |
| 5941 { | |
| 5942 buffer[len] = '\n'; /* make sure the buffer ends in NL */ | |
| 5943 p = buffer; | |
| 5944 for (i = 0; *p != '\n'; ++i) /* count number of entries */ | |
| 5945 { | |
| 5946 while (*p != ' ' && *p != '\n') | |
| 5947 ++p; | |
| 5948 p = skipwhite(p); /* skip to next entry */ | |
| 5949 } | |
| 5950 } | |
| 5951 /* file names are separated with NL */ | |
| 1508 | 5952 else if (shell_style == STYLE_BT || shell_style == STYLE_VIMGLOB) |
| 7 | 5953 { |
| 5954 buffer[len] = NUL; /* make sure the buffer ends in NUL */ | |
| 5955 p = buffer; | |
| 5956 for (i = 0; *p != NUL; ++i) /* count number of entries */ | |
| 5957 { | |
| 5958 while (*p != '\n' && *p != NUL) | |
| 5959 ++p; | |
| 5960 if (*p != NUL) | |
| 5961 ++p; | |
| 5962 p = skipwhite(p); /* skip leading white space */ | |
| 5963 } | |
| 5964 } | |
| 5965 /* file names are separated with NUL */ | |
| 5966 else | |
| 5967 { | |
| 5968 /* | |
| 5969 * Some versions of zsh use spaces instead of NULs to separate | |
| 5970 * results. Only do this when there is no NUL before the end of the | |
| 5971 * buffer, otherwise we would never be able to use file names with | |
| 5972 * embedded spaces when zsh does use NULs. | |
| 5973 * When we found a NUL once, we know zsh is OK, set did_find_nul and | |
| 5974 * don't check for spaces again. | |
| 5975 */ | |
| 5976 check_spaces = FALSE; | |
| 5977 if (shell_style == STYLE_PRINT && !did_find_nul) | |
| 5978 { | |
| 5979 /* If there is a NUL, set did_find_nul, else set check_spaces */ | |
| 2768 | 5980 buffer[len] = NUL; |
| 1877 | 5981 if (len && (int)STRLEN(buffer) < (int)len - 1) |
| 7 | 5982 did_find_nul = TRUE; |
| 5983 else | |
| 5984 check_spaces = TRUE; | |
| 5985 } | |
| 5986 | |
| 5987 /* | |
| 5988 * Make sure the buffer ends with a NUL. For STYLE_PRINT there | |
| 5989 * already is one, for STYLE_GLOB it needs to be added. | |
| 5990 */ | |
| 5991 if (len && buffer[len - 1] == NUL) | |
| 5992 --len; | |
| 5993 else | |
| 5994 buffer[len] = NUL; | |
| 5995 i = 0; | |
| 5996 for (p = buffer; p < buffer + len; ++p) | |
| 5997 if (*p == NUL || (*p == ' ' && check_spaces)) /* count entry */ | |
| 5998 { | |
| 5999 ++i; | |
| 6000 *p = NUL; | |
| 6001 } | |
| 6002 if (len) | |
| 6003 ++i; /* count last entry */ | |
| 6004 } | |
| 6005 if (i == 0) | |
| 6006 { | |
| 6007 /* | |
| 6008 * Can happen when using /bin/sh and typing ":e $NO_SUCH_VAR^I". | |
| 6009 * /bin/sh will happily expand it to nothing rather than returning an | |
| 6010 * error; and hey, it's good to check anyway -- webb. | |
| 6011 */ | |
| 6012 vim_free(buffer); | |
| 6013 goto notfound; | |
| 6014 } | |
| 6015 *num_file = i; | |
| 6016 *file = (char_u **)alloc(sizeof(char_u *) * i); | |
| 6017 if (*file == NULL) | |
| 6018 { | |
| 6019 /* out of memory */ | |
| 6020 vim_free(buffer); | |
| 6021 return FAIL; | |
| 6022 } | |
| 6023 | |
| 6024 /* | |
| 6025 * Isolate the individual file names. | |
| 6026 */ | |
| 6027 p = buffer; | |
| 6028 for (i = 0; i < *num_file; ++i) | |
| 6029 { | |
| 6030 (*file)[i] = p; | |
| 6031 /* Space or NL separates */ | |
| 1508 | 6032 if (shell_style == STYLE_ECHO || shell_style == STYLE_BT |
| 6033 || shell_style == STYLE_VIMGLOB) | |
| 7 | 6034 { |
| 652 | 6035 while (!(shell_style == STYLE_ECHO && *p == ' ') |
| 6036 && *p != '\n' && *p != NUL) | |
| 7 | 6037 ++p; |
| 6038 if (p == buffer + len) /* last entry */ | |
| 6039 *p = NUL; | |
| 6040 else | |
| 6041 { | |
| 6042 *p++ = NUL; | |
| 6043 p = skipwhite(p); /* skip to next entry */ | |
| 6044 } | |
| 6045 } | |
| 6046 else /* NUL separates */ | |
| 6047 { | |
| 6048 while (*p && p < buffer + len) /* skip entry */ | |
| 6049 ++p; | |
| 6050 ++p; /* skip NUL */ | |
| 6051 } | |
| 6052 } | |
| 6053 | |
| 6054 /* | |
| 6055 * Move the file names to allocated memory. | |
| 6056 */ | |
| 6057 for (j = 0, i = 0; i < *num_file; ++i) | |
| 6058 { | |
| 6059 /* Require the files to exist. Helps when using /bin/sh */ | |
| 6060 if (!(flags & EW_NOTFOUND) && mch_getperm((*file)[i]) < 0) | |
| 6061 continue; | |
| 6062 | |
| 6063 /* check if this entry should be included */ | |
| 6064 dir = (mch_isdir((*file)[i])); | |
| 6065 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
| 6066 continue; | |
| 6067 | |
| 715 | 6068 /* Skip files that are not executable if we check for that. */ |
| 6069 if (!dir && (flags & EW_EXEC) && !mch_can_exe((*file)[i])) | |
| 6070 continue; | |
| 6071 | |
| 7 | 6072 p = alloc((unsigned)(STRLEN((*file)[i]) + 1 + dir)); |
| 6073 if (p) | |
| 6074 { | |
| 6075 STRCPY(p, (*file)[i]); | |
| 6076 if (dir) | |
| 1479 | 6077 add_pathsep(p); /* add '/' to a directory name */ |
| 7 | 6078 (*file)[j++] = p; |
| 6079 } | |
| 6080 } | |
| 6081 vim_free(buffer); | |
| 6082 *num_file = j; | |
| 6083 | |
| 6084 if (*num_file == 0) /* rejected all entries */ | |
| 6085 { | |
| 6086 vim_free(*file); | |
| 6087 *file = NULL; | |
| 6088 goto notfound; | |
| 6089 } | |
| 6090 | |
| 6091 return OK; | |
| 6092 | |
| 6093 notfound: | |
| 6094 if (flags & EW_NOTFOUND) | |
| 6095 return save_patterns(num_pat, pat, num_file, file); | |
| 6096 return FAIL; | |
| 6097 | |
| 6098 #endif /* __EMX__ */ | |
| 6099 } | |
| 6100 | |
| 6101 #endif /* VMS */ | |
| 6102 | |
| 6103 #ifndef __EMX__ | |
| 6104 static int | |
| 6105 save_patterns(num_pat, pat, num_file, file) | |
| 6106 int num_pat; | |
| 6107 char_u **pat; | |
| 6108 int *num_file; | |
| 6109 char_u ***file; | |
| 6110 { | |
| 6111 int i; | |
| 99 | 6112 char_u *s; |
| 7 | 6113 |
| 6114 *file = (char_u **)alloc(num_pat * sizeof(char_u *)); | |
| 6115 if (*file == NULL) | |
| 6116 return FAIL; | |
| 6117 for (i = 0; i < num_pat; i++) | |
| 99 | 6118 { |
| 6119 s = vim_strsave(pat[i]); | |
| 6120 if (s != NULL) | |
| 6121 /* Be compatible with expand_filename(): halve the number of | |
| 6122 * backslashes. */ | |
| 6123 backslash_halve(s); | |
| 6124 (*file)[i] = s; | |
| 6125 } | |
| 7 | 6126 *num_file = num_pat; |
| 6127 return OK; | |
| 6128 } | |
| 6129 #endif | |
| 6130 | |
| 6131 | |
| 6132 /* | |
| 6133 * Return TRUE if the string "p" contains a wildcard that mch_expandpath() can | |
| 6134 * expand. | |
| 6135 */ | |
| 6136 int | |
| 6137 mch_has_exp_wildcard(p) | |
| 6138 char_u *p; | |
| 6139 { | |
| 39 | 6140 for ( ; *p; mb_ptr_adv(p)) |
| 7 | 6141 { |
| 6142 #ifndef OS2 | |
| 6143 if (*p == '\\' && p[1] != NUL) | |
| 6144 ++p; | |
| 6145 else | |
| 6146 #endif | |
| 6147 if (vim_strchr((char_u *) | |
| 6148 #ifdef VMS | |
| 6149 "*?%" | |
| 6150 #else | |
| 6151 # ifdef OS2 | |
| 6152 "*?" | |
| 6153 # else | |
| 6154 "*?[{'" | |
| 6155 # endif | |
| 6156 #endif | |
| 6157 , *p) != NULL) | |
| 6158 return TRUE; | |
| 6159 } | |
| 6160 return FALSE; | |
| 6161 } | |
| 6162 | |
| 6163 /* | |
| 6164 * Return TRUE if the string "p" contains a wildcard. | |
| 6165 * Don't recognize '~' at the end as a wildcard. | |
| 6166 */ | |
| 6167 int | |
| 6168 mch_has_wildcard(p) | |
| 6169 char_u *p; | |
| 6170 { | |
| 39 | 6171 for ( ; *p; mb_ptr_adv(p)) |
| 7 | 6172 { |
| 6173 #ifndef OS2 | |
| 6174 if (*p == '\\' && p[1] != NUL) | |
| 6175 ++p; | |
| 6176 else | |
| 6177 #endif | |
| 6178 if (vim_strchr((char_u *) | |
| 6179 #ifdef VMS | |
| 6180 "*?%$" | |
| 6181 #else | |
| 6182 # ifdef OS2 | |
| 6183 # ifdef VIM_BACKTICK | |
| 6184 "*?$`" | |
| 6185 # else | |
| 6186 "*?$" | |
| 6187 # endif | |
| 6188 # else | |
| 6189 "*?[{`'$" | |
| 6190 # endif | |
| 6191 #endif | |
| 6192 , *p) != NULL | |
| 6193 || (*p == '~' && p[1] != NUL)) | |
| 6194 return TRUE; | |
| 6195 } | |
| 6196 return FALSE; | |
| 6197 } | |
| 6198 | |
| 6199 #ifndef __EMX__ | |
| 6200 static int | |
| 6201 have_wildcard(num, file) | |
| 6202 int num; | |
| 6203 char_u **file; | |
| 6204 { | |
| 6205 int i; | |
| 6206 | |
| 6207 for (i = 0; i < num; i++) | |
| 6208 if (mch_has_wildcard(file[i])) | |
| 6209 return 1; | |
| 6210 return 0; | |
| 6211 } | |
| 6212 | |
| 6213 static int | |
| 6214 have_dollars(num, file) | |
| 6215 int num; | |
| 6216 char_u **file; | |
| 6217 { | |
| 6218 int i; | |
| 6219 | |
| 6220 for (i = 0; i < num; i++) | |
| 6221 if (vim_strchr(file[i], '$') != NULL) | |
| 6222 return TRUE; | |
| 6223 return FALSE; | |
| 6224 } | |
| 6225 #endif /* ifndef __EMX__ */ | |
| 6226 | |
| 6227 #ifndef HAVE_RENAME | |
| 6228 /* | |
| 6229 * Scaled-down version of rename(), which is missing in Xenix. | |
| 6230 * This version can only move regular files and will fail if the | |
| 6231 * destination exists. | |
| 6232 */ | |
| 6233 int | |
| 6234 mch_rename(src, dest) | |
| 6235 const char *src, *dest; | |
| 6236 { | |
| 6237 struct stat st; | |
| 6238 | |
| 6239 if (stat(dest, &st) >= 0) /* fail if destination exists */ | |
| 6240 return -1; | |
| 6241 if (link(src, dest) != 0) /* link file to new name */ | |
| 6242 return -1; | |
| 6243 if (mch_remove(src) == 0) /* delete link to old name */ | |
| 6244 return 0; | |
| 6245 return -1; | |
| 6246 } | |
| 6247 #endif /* !HAVE_RENAME */ | |
| 6248 | |
| 6249 #ifdef FEAT_MOUSE_GPM | |
| 6250 /* | |
| 6251 * Initializes connection with gpm (if it isn't already opened) | |
| 6252 * Return 1 if succeeded (or connection already opened), 0 if failed | |
| 6253 */ | |
| 6254 static int | |
| 6255 gpm_open() | |
| 6256 { | |
| 6257 static Gpm_Connect gpm_connect; /* Must it be kept till closing ? */ | |
| 6258 | |
| 6259 if (!gpm_flag) | |
| 6260 { | |
| 6261 gpm_connect.eventMask = (GPM_UP | GPM_DRAG | GPM_DOWN); | |
| 6262 gpm_connect.defaultMask = ~GPM_HARD; | |
| 6263 /* Default handling for mouse move*/ | |
| 6264 gpm_connect.minMod = 0; /* Handle any modifier keys */ | |
| 6265 gpm_connect.maxMod = 0xffff; | |
| 6266 if (Gpm_Open(&gpm_connect, 0) > 0) | |
| 6267 { | |
| 6268 /* gpm library tries to handling TSTP causes | |
| 6269 * problems. Anyways, we close connection to Gpm whenever | |
| 6270 * we are going to suspend or starting an external process | |
| 1450 | 6271 * so we shouldn't have problem with this |
| 7 | 6272 */ |
| 1832 | 6273 # ifdef SIGTSTP |
| 7 | 6274 signal(SIGTSTP, restricted ? SIG_IGN : SIG_DFL); |
| 1832 | 6275 # endif |
| 7 | 6276 return 1; /* succeed */ |
| 6277 } | |
| 6278 if (gpm_fd == -2) | |
| 6279 Gpm_Close(); /* We don't want to talk to xterm via gpm */ | |
| 6280 return 0; | |
| 6281 } | |
| 6282 return 1; /* already open */ | |
| 6283 } | |
| 6284 | |
| 6285 /* | |
| 6286 * Closes connection to gpm | |
| 6287 */ | |
| 6288 static void | |
| 6289 gpm_close() | |
| 6290 { | |
| 6291 if (gpm_flag && gpm_fd >= 0) /* if Open */ | |
| 6292 Gpm_Close(); | |
| 6293 } | |
| 6294 | |
| 6295 /* Reads gpm event and adds special keys to input buf. Returns length of | |
| 6296 * generated key sequence. | |
| 6297 * This function is made after gui_send_mouse_event | |
| 6298 */ | |
| 6299 static int | |
| 6300 mch_gpm_process() | |
| 6301 { | |
| 6302 int button; | |
| 6303 static Gpm_Event gpm_event; | |
| 6304 char_u string[6]; | |
| 6305 int_u vim_modifiers; | |
| 6306 int row,col; | |
| 6307 unsigned char buttons_mask; | |
| 6308 unsigned char gpm_modifiers; | |
| 6309 static unsigned char old_buttons = 0; | |
| 6310 | |
| 6311 Gpm_GetEvent(&gpm_event); | |
| 6312 | |
| 6313 #ifdef FEAT_GUI | |
| 6314 /* Don't put events in the input queue now. */ | |
| 6315 if (hold_gui_events) | |
| 6316 return 0; | |
| 6317 #endif | |
| 6318 | |
| 6319 row = gpm_event.y - 1; | |
| 6320 col = gpm_event.x - 1; | |
| 6321 | |
| 6322 string[0] = ESC; /* Our termcode */ | |
| 6323 string[1] = 'M'; | |
| 6324 string[2] = 'G'; | |
| 6325 switch (GPM_BARE_EVENTS(gpm_event.type)) | |
| 6326 { | |
| 6327 case GPM_DRAG: | |
| 6328 string[3] = MOUSE_DRAG; | |
| 6329 break; | |
| 6330 case GPM_DOWN: | |
| 6331 buttons_mask = gpm_event.buttons & ~old_buttons; | |
| 6332 old_buttons = gpm_event.buttons; | |
| 6333 switch (buttons_mask) | |
| 6334 { | |
| 6335 case GPM_B_LEFT: | |
| 6336 button = MOUSE_LEFT; | |
| 6337 break; | |
| 6338 case GPM_B_MIDDLE: | |
| 6339 button = MOUSE_MIDDLE; | |
| 6340 break; | |
| 6341 case GPM_B_RIGHT: | |
| 6342 button = MOUSE_RIGHT; | |
| 6343 break; | |
| 6344 default: | |
| 6345 return 0; | |
| 6346 /*Don't know what to do. Can more than one button be | |
| 6347 * reported in one event? */ | |
| 6348 } | |
| 6349 string[3] = (char_u)(button | 0x20); | |
| 6350 SET_NUM_MOUSE_CLICKS(string[3], gpm_event.clicks + 1); | |
| 6351 break; | |
| 6352 case GPM_UP: | |
| 6353 string[3] = MOUSE_RELEASE; | |
| 6354 old_buttons &= ~gpm_event.buttons; | |
| 6355 break; | |
| 6356 default: | |
| 6357 return 0; | |
| 6358 } | |
| 6359 /*This code is based on gui_x11_mouse_cb in gui_x11.c */ | |
| 6360 gpm_modifiers = gpm_event.modifiers; | |
| 6361 vim_modifiers = 0x0; | |
| 6362 /* I ignore capslock stats. Aren't we all just hate capslock mixing with | |
| 6363 * Vim commands ? Besides, gpm_event.modifiers is unsigned char, and | |
| 6364 * K_CAPSSHIFT is defined 8, so it probably isn't even reported | |
| 6365 */ | |
| 6366 if (gpm_modifiers & ((1 << KG_SHIFT) | (1 << KG_SHIFTR) | (1 << KG_SHIFTL))) | |
| 6367 vim_modifiers |= MOUSE_SHIFT; | |
| 6368 | |
| 6369 if (gpm_modifiers & ((1 << KG_CTRL) | (1 << KG_CTRLR) | (1 << KG_CTRLL))) | |
| 6370 vim_modifiers |= MOUSE_CTRL; | |
| 6371 if (gpm_modifiers & ((1 << KG_ALT) | (1 << KG_ALTGR))) | |
| 6372 vim_modifiers |= MOUSE_ALT; | |
| 6373 string[3] |= vim_modifiers; | |
| 6374 string[4] = (char_u)(col + ' ' + 1); | |
| 6375 string[5] = (char_u)(row + ' ' + 1); | |
| 6376 add_to_input_buf(string, 6); | |
| 6377 return 6; | |
| 6378 } | |
| 6379 #endif /* FEAT_MOUSE_GPM */ | |
| 6380 | |
| 1620 | 6381 #ifdef FEAT_SYSMOUSE |
| 6382 /* | |
| 6383 * Initialize connection with sysmouse. | |
| 6384 * Let virtual console inform us with SIGUSR2 for pending sysmouse | |
| 6385 * output, any sysmouse output than will be processed via sig_sysmouse(). | |
| 6386 * Return OK if succeeded, FAIL if failed. | |
| 6387 */ | |
| 6388 static int | |
| 6389 sysmouse_open() | |
| 6390 { | |
| 6391 struct mouse_info mouse; | |
| 6392 | |
| 6393 mouse.operation = MOUSE_MODE; | |
| 6394 mouse.u.mode.mode = 0; | |
| 6395 mouse.u.mode.signal = SIGUSR2; | |
| 6396 if (ioctl(1, CONS_MOUSECTL, &mouse) != -1) | |
| 6397 { | |
| 6398 signal(SIGUSR2, (RETSIGTYPE (*)())sig_sysmouse); | |
| 6399 mouse.operation = MOUSE_SHOW; | |
| 6400 ioctl(1, CONS_MOUSECTL, &mouse); | |
| 6401 return OK; | |
| 6402 } | |
| 6403 return FAIL; | |
| 6404 } | |
| 6405 | |
| 6406 /* | |
| 6407 * Stop processing SIGUSR2 signals, and also make sure that | |
| 6408 * virtual console do not send us any sysmouse related signal. | |
| 6409 */ | |
| 6410 static void | |
| 6411 sysmouse_close() | |
| 6412 { | |
| 6413 struct mouse_info mouse; | |
| 6414 | |
| 6415 signal(SIGUSR2, restricted ? SIG_IGN : SIG_DFL); | |
| 6416 mouse.operation = MOUSE_MODE; | |
| 6417 mouse.u.mode.mode = 0; | |
| 6418 mouse.u.mode.signal = 0; | |
| 6419 ioctl(1, CONS_MOUSECTL, &mouse); | |
| 6420 } | |
| 6421 | |
| 6422 /* | |
| 6423 * Gets info from sysmouse and adds special keys to input buf. | |
| 6424 */ | |
| 6425 static RETSIGTYPE | |
| 6426 sig_sysmouse SIGDEFARG(sigarg) | |
| 6427 { | |
| 6428 struct mouse_info mouse; | |
| 6429 struct video_info video; | |
| 6430 char_u string[6]; | |
| 6431 int row, col; | |
| 6432 int button; | |
| 6433 int buttons; | |
| 6434 static int oldbuttons = 0; | |
| 6435 | |
| 6436 #ifdef FEAT_GUI | |
| 6437 /* Don't put events in the input queue now. */ | |
| 6438 if (hold_gui_events) | |
| 6439 return; | |
| 6440 #endif | |
| 6441 | |
| 6442 mouse.operation = MOUSE_GETINFO; | |
| 6443 if (ioctl(1, FBIO_GETMODE, &video.vi_mode) != -1 | |
| 6444 && ioctl(1, FBIO_MODEINFO, &video) != -1 | |
| 6445 && ioctl(1, CONS_MOUSECTL, &mouse) != -1 | |
| 6446 && video.vi_cheight > 0 && video.vi_cwidth > 0) | |
| 6447 { | |
| 6448 row = mouse.u.data.y / video.vi_cheight; | |
| 6449 col = mouse.u.data.x / video.vi_cwidth; | |
| 6450 buttons = mouse.u.data.buttons; | |
| 6451 string[0] = ESC; /* Our termcode */ | |
| 6452 string[1] = 'M'; | |
| 6453 string[2] = 'S'; | |
| 6454 if (oldbuttons == buttons && buttons != 0) | |
| 6455 { | |
| 6456 button = MOUSE_DRAG; | |
| 6457 } | |
| 6458 else | |
| 6459 { | |
| 6460 switch (buttons) | |
| 6461 { | |
| 6462 case 0: | |
| 6463 button = MOUSE_RELEASE; | |
| 6464 break; | |
| 6465 case 1: | |
| 6466 button = MOUSE_LEFT; | |
| 6467 break; | |
| 6468 case 2: | |
| 6469 button = MOUSE_MIDDLE; | |
| 6470 break; | |
| 6471 case 4: | |
| 6472 button = MOUSE_RIGHT; | |
| 6473 break; | |
| 6474 default: | |
| 6475 return; | |
| 6476 } | |
| 6477 oldbuttons = buttons; | |
| 6478 } | |
| 6479 string[3] = (char_u)(button); | |
| 6480 string[4] = (char_u)(col + ' ' + 1); | |
| 6481 string[5] = (char_u)(row + ' ' + 1); | |
| 6482 add_to_input_buf(string, 6); | |
| 6483 } | |
| 6484 return; | |
| 6485 } | |
| 6486 #endif /* FEAT_SYSMOUSE */ | |
| 6487 | |
| 7 | 6488 #if defined(FEAT_LIBCALL) || defined(PROTO) |
| 6489 typedef char_u * (*STRPROCSTR)__ARGS((char_u *)); | |
| 6490 typedef char_u * (*INTPROCSTR)__ARGS((int)); | |
| 6491 typedef int (*STRPROCINT)__ARGS((char_u *)); | |
| 6492 typedef int (*INTPROCINT)__ARGS((int)); | |
| 6493 | |
| 6494 /* | |
| 6495 * Call a DLL routine which takes either a string or int param | |
| 6496 * and returns an allocated string. | |
| 6497 */ | |
| 6498 int | |
| 6499 mch_libcall(libname, funcname, argstring, argint, string_result, number_result) | |
| 6500 char_u *libname; | |
| 6501 char_u *funcname; | |
| 6502 char_u *argstring; /* NULL when using a argint */ | |
| 6503 int argint; | |
| 6504 char_u **string_result;/* NULL when using number_result */ | |
| 6505 int *number_result; | |
| 6506 { | |
| 6507 # if defined(USE_DLOPEN) | |
| 6508 void *hinstLib; | |
| 12 | 6509 char *dlerr = NULL; |
| 7 | 6510 # else |
| 6511 shl_t hinstLib; | |
| 6512 # endif | |
| 6513 STRPROCSTR ProcAdd; | |
| 6514 INTPROCSTR ProcAddI; | |
| 6515 char_u *retval_str = NULL; | |
| 6516 int retval_int = 0; | |
| 6517 int success = FALSE; | |
| 6518 | |
| 900 | 6519 /* |
| 6520 * Get a handle to the DLL module. | |
| 6521 */ | |
| 7 | 6522 # if defined(USE_DLOPEN) |
| 900 | 6523 /* First clear any error, it's not cleared by the dlopen() call. */ |
| 6524 (void)dlerror(); | |
| 6525 | |
| 7 | 6526 hinstLib = dlopen((char *)libname, RTLD_LAZY |
| 6527 # ifdef RTLD_LOCAL | |
| 6528 | RTLD_LOCAL | |
| 6529 # endif | |
| 6530 ); | |
| 12 | 6531 if (hinstLib == NULL) |
| 6532 { | |
| 6533 /* "dlerr" must be used before dlclose() */ | |
| 6534 dlerr = (char *)dlerror(); | |
| 6535 if (dlerr != NULL) | |
| 6536 EMSG2(_("dlerror = \"%s\""), dlerr); | |
| 6537 } | |
| 7 | 6538 # else |
| 6539 hinstLib = shl_load((const char*)libname, BIND_IMMEDIATE|BIND_VERBOSE, 0L); | |
| 6540 # endif | |
| 6541 | |
| 6542 /* If the handle is valid, try to get the function address. */ | |
| 6543 if (hinstLib != NULL) | |
| 6544 { | |
| 6545 # ifdef HAVE_SETJMP_H | |
| 6546 /* | |
| 6547 * Catch a crash when calling the library function. For example when | |
| 6548 * using a number where a string pointer is expected. | |
| 6549 */ | |
| 6550 mch_startjmp(); | |
| 6551 if (SETJMP(lc_jump_env) != 0) | |
| 6552 { | |
| 6553 success = FALSE; | |
| 857 | 6554 # if defined(USE_DLOPEN) |
| 12 | 6555 dlerr = NULL; |
| 857 | 6556 # endif |
| 7 | 6557 mch_didjmp(); |
| 6558 } | |
| 6559 else | |
| 6560 # endif | |
| 6561 { | |
| 6562 retval_str = NULL; | |
| 6563 retval_int = 0; | |
| 6564 | |
| 6565 if (argstring != NULL) | |
| 6566 { | |
| 6567 # if defined(USE_DLOPEN) | |
| 6568 ProcAdd = (STRPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
| 12 | 6569 dlerr = (char *)dlerror(); |
| 7 | 6570 # else |
| 6571 if (shl_findsym(&hinstLib, (const char *)funcname, | |
| 6572 TYPE_PROCEDURE, (void *)&ProcAdd) < 0) | |
| 6573 ProcAdd = NULL; | |
| 6574 # endif | |
| 12 | 6575 if ((success = (ProcAdd != NULL |
| 6576 # if defined(USE_DLOPEN) | |
| 6577 && dlerr == NULL | |
| 6578 # endif | |
| 6579 ))) | |
| 7 | 6580 { |
| 6581 if (string_result == NULL) | |
| 6582 retval_int = ((STRPROCINT)ProcAdd)(argstring); | |
| 6583 else | |
| 6584 retval_str = (ProcAdd)(argstring); | |
| 6585 } | |
| 6586 } | |
| 6587 else | |
| 6588 { | |
| 6589 # if defined(USE_DLOPEN) | |
| 6590 ProcAddI = (INTPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
| 12 | 6591 dlerr = (char *)dlerror(); |
| 7 | 6592 # else |
| 6593 if (shl_findsym(&hinstLib, (const char *)funcname, | |
| 6594 TYPE_PROCEDURE, (void *)&ProcAddI) < 0) | |
| 6595 ProcAddI = NULL; | |
| 6596 # endif | |
| 12 | 6597 if ((success = (ProcAddI != NULL |
| 6598 # if defined(USE_DLOPEN) | |
| 6599 && dlerr == NULL | |
| 6600 # endif | |
| 6601 ))) | |
| 7 | 6602 { |
| 6603 if (string_result == NULL) | |
| 6604 retval_int = ((INTPROCINT)ProcAddI)(argint); | |
| 6605 else | |
| 6606 retval_str = (ProcAddI)(argint); | |
| 6607 } | |
| 6608 } | |
| 6609 | |
| 6610 /* Save the string before we free the library. */ | |
| 6611 /* Assume that a "1" or "-1" result is an illegal pointer. */ | |
| 6612 if (string_result == NULL) | |
| 6613 *number_result = retval_int; | |
| 6614 else if (retval_str != NULL | |
| 6615 && retval_str != (char_u *)1 | |
| 6616 && retval_str != (char_u *)-1) | |
| 6617 *string_result = vim_strsave(retval_str); | |
| 6618 } | |
| 6619 | |
| 6620 # ifdef HAVE_SETJMP_H | |
| 6621 mch_endjmp(); | |
| 6622 # ifdef SIGHASARG | |
| 6623 if (lc_signal != 0) | |
| 6624 { | |
| 6625 int i; | |
| 6626 | |
| 6627 /* try to find the name of this signal */ | |
| 6628 for (i = 0; signal_info[i].sig != -1; i++) | |
| 6629 if (lc_signal == signal_info[i].sig) | |
| 6630 break; | |
| 6631 EMSG2("E368: got SIG%s in libcall()", signal_info[i].name); | |
| 6632 } | |
| 6633 # endif | |
| 6634 # endif | |
| 6635 | |
| 12 | 6636 # if defined(USE_DLOPEN) |
| 6637 /* "dlerr" must be used before dlclose() */ | |
| 6638 if (dlerr != NULL) | |
| 6639 EMSG2(_("dlerror = \"%s\""), dlerr); | |
| 6640 | |
| 7 | 6641 /* Free the DLL module. */ |
| 6642 (void)dlclose(hinstLib); | |
| 6643 # else | |
| 6644 (void)shl_unload(hinstLib); | |
| 6645 # endif | |
| 6646 } | |
| 6647 | |
| 6648 if (!success) | |
| 6649 { | |
| 6650 EMSG2(_(e_libcall), funcname); | |
| 6651 return FAIL; | |
| 6652 } | |
| 6653 | |
| 6654 return OK; | |
| 6655 } | |
| 6656 #endif | |
| 6657 | |
| 6658 #if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) || defined(PROTO) | |
| 6659 static int xterm_trace = -1; /* default: disabled */ | |
| 6660 static int xterm_button; | |
| 6661 | |
| 6662 /* | |
| 6663 * Setup a dummy window for X selections in a terminal. | |
| 6664 */ | |
| 6665 void | |
| 6666 setup_term_clip() | |
| 6667 { | |
| 6668 int z = 0; | |
| 6669 char *strp = ""; | |
| 6670 Widget AppShell; | |
| 6671 | |
| 6672 if (!x_connect_to_server()) | |
| 6673 return; | |
| 6674 | |
| 6675 open_app_context(); | |
| 6676 if (app_context != NULL && xterm_Shell == (Widget)0) | |
| 6677 { | |
| 6678 int (*oldhandler)(); | |
| 6679 #if defined(HAVE_SETJMP_H) | |
| 6680 int (*oldIOhandler)(); | |
| 6681 #endif | |
| 6682 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 6683 struct timeval start_tv; | |
| 6684 | |
| 6685 if (p_verbose > 0) | |
| 6686 gettimeofday(&start_tv, NULL); | |
| 6687 # endif | |
| 6688 | |
| 6689 /* Ignore X errors while opening the display */ | |
| 6690 oldhandler = XSetErrorHandler(x_error_check); | |
| 6691 | |
| 6692 #if defined(HAVE_SETJMP_H) | |
| 6693 /* Ignore X IO errors while opening the display */ | |
| 6694 oldIOhandler = XSetIOErrorHandler(x_IOerror_check); | |
| 6695 mch_startjmp(); | |
| 6696 if (SETJMP(lc_jump_env) != 0) | |
| 6697 { | |
| 6698 mch_didjmp(); | |
| 6699 xterm_dpy = NULL; | |
| 6700 } | |
| 6701 else | |
| 6702 #endif | |
| 6703 { | |
| 6704 xterm_dpy = XtOpenDisplay(app_context, xterm_display, | |
| 6705 "vim_xterm", "Vim_xterm", NULL, 0, &z, &strp); | |
| 6706 #if defined(HAVE_SETJMP_H) | |
| 6707 mch_endjmp(); | |
| 6708 #endif | |
| 6709 } | |
| 6710 | |
| 6711 #if defined(HAVE_SETJMP_H) | |
| 6712 /* Now handle X IO errors normally. */ | |
| 6713 (void)XSetIOErrorHandler(oldIOhandler); | |
| 6714 #endif | |
| 6715 /* Now handle X errors normally. */ | |
| 6716 (void)XSetErrorHandler(oldhandler); | |
| 6717 | |
| 6718 if (xterm_dpy == NULL) | |
| 6719 { | |
| 6720 if (p_verbose > 0) | |
| 292 | 6721 verb_msg((char_u *)_("Opening the X display failed")); |
| 7 | 6722 return; |
| 6723 } | |
| 6724 | |
| 6725 /* Catch terminating error of the X server connection. */ | |
| 6726 (void)XSetIOErrorHandler(x_IOerror_handler); | |
| 6727 | |
| 6728 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 6729 if (p_verbose > 0) | |
| 292 | 6730 { |
| 6731 verbose_enter(); | |
| 7 | 6732 xopen_message(&start_tv); |
| 292 | 6733 verbose_leave(); |
| 6734 } | |
| 7 | 6735 # endif |
| 6736 | |
| 6737 /* Create a Shell to make converters work. */ | |
| 6738 AppShell = XtVaAppCreateShell("vim_xterm", "Vim_xterm", | |
| 6739 applicationShellWidgetClass, xterm_dpy, | |
| 6740 NULL); | |
| 6741 if (AppShell == (Widget)0) | |
| 6742 return; | |
| 6743 xterm_Shell = XtVaCreatePopupShell("VIM", | |
| 6744 topLevelShellWidgetClass, AppShell, | |
| 6745 XtNmappedWhenManaged, 0, | |
| 6746 XtNwidth, 1, | |
| 6747 XtNheight, 1, | |
| 6748 NULL); | |
| 6749 if (xterm_Shell == (Widget)0) | |
| 6750 return; | |
| 6751 | |
| 6752 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
|
6753 x11_setup_selection(xterm_Shell); |
| 7 | 6754 if (x11_display == NULL) |
| 6755 x11_display = xterm_dpy; | |
| 6756 | |
| 6757 XtRealizeWidget(xterm_Shell); | |
| 6758 XSync(xterm_dpy, False); | |
| 6759 xterm_update(); | |
| 6760 } | |
| 6761 if (xterm_Shell != (Widget)0) | |
| 6762 { | |
| 6763 clip_init(TRUE); | |
| 6764 if (x11_window == 0 && (strp = getenv("WINDOWID")) != NULL) | |
| 6765 x11_window = (Window)atol(strp); | |
| 6766 /* Check if $WINDOWID is valid. */ | |
| 6767 if (test_x11_window(xterm_dpy) == FAIL) | |
| 6768 x11_window = 0; | |
| 6769 if (x11_window != 0) | |
| 6770 xterm_trace = 0; | |
| 6771 } | |
| 6772 } | |
| 6773 | |
| 6774 void | |
| 6775 start_xterm_trace(button) | |
| 6776 int button; | |
| 6777 { | |
| 6778 if (x11_window == 0 || xterm_trace < 0 || xterm_Shell == (Widget)0) | |
| 6779 return; | |
| 6780 xterm_trace = 1; | |
| 6781 xterm_button = button; | |
| 6782 do_xterm_trace(); | |
| 6783 } | |
| 6784 | |
| 6785 | |
| 6786 void | |
| 6787 stop_xterm_trace() | |
| 6788 { | |
| 6789 if (xterm_trace < 0) | |
| 6790 return; | |
| 6791 xterm_trace = 0; | |
| 6792 } | |
| 6793 | |
| 6794 /* | |
| 6795 * Query the xterm pointer and generate mouse termcodes if necessary | |
| 6796 * return TRUE if dragging is active, else FALSE | |
| 6797 */ | |
| 6798 static int | |
| 6799 do_xterm_trace() | |
| 6800 { | |
| 6801 Window root, child; | |
| 6802 int root_x, root_y; | |
| 6803 int win_x, win_y; | |
| 6804 int row, col; | |
| 6805 int_u mask_return; | |
| 6806 char_u buf[50]; | |
| 6807 char_u *strp; | |
| 6808 long got_hints; | |
| 6809 static char_u *mouse_code; | |
| 6810 static char_u mouse_name[2] = {KS_MOUSE, KE_FILLER}; | |
| 6811 static int prev_row = 0, prev_col = 0; | |
| 6812 static XSizeHints xterm_hints; | |
| 6813 | |
| 6814 if (xterm_trace <= 0) | |
| 6815 return FALSE; | |
| 6816 | |
| 6817 if (xterm_trace == 1) | |
| 6818 { | |
| 6819 /* Get the hints just before tracking starts. The font size might | |
| 1510 | 6820 * have changed recently. */ |
| 6821 if (!XGetWMNormalHints(xterm_dpy, x11_window, &xterm_hints, &got_hints) | |
| 6822 || !(got_hints & PResizeInc) | |
| 7 | 6823 || xterm_hints.width_inc <= 1 |
| 6824 || xterm_hints.height_inc <= 1) | |
| 6825 { | |
| 6826 xterm_trace = -1; /* Not enough data -- disable tracing */ | |
| 6827 return FALSE; | |
| 6828 } | |
| 6829 | |
| 6830 /* Rely on the same mouse code for the duration of this */ | |
| 6831 mouse_code = find_termcode(mouse_name); | |
| 6832 prev_row = mouse_row; | |
| 6833 prev_row = mouse_col; | |
| 6834 xterm_trace = 2; | |
| 6835 | |
| 6836 /* Find the offset of the chars, there might be a scrollbar on the | |
| 6837 * left of the window and/or a menu on the top (eterm etc.) */ | |
| 6838 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
| 6839 &win_x, &win_y, &mask_return); | |
| 6840 xterm_hints.y = win_y - (xterm_hints.height_inc * mouse_row) | |
| 6841 - (xterm_hints.height_inc / 2); | |
| 6842 if (xterm_hints.y <= xterm_hints.height_inc / 2) | |
| 6843 xterm_hints.y = 2; | |
| 6844 xterm_hints.x = win_x - (xterm_hints.width_inc * mouse_col) | |
| 6845 - (xterm_hints.width_inc / 2); | |
| 6846 if (xterm_hints.x <= xterm_hints.width_inc / 2) | |
| 6847 xterm_hints.x = 2; | |
| 6848 return TRUE; | |
| 6849 } | |
| 2768 | 6850 if (mouse_code == NULL || STRLEN(mouse_code) > 45) |
| 7 | 6851 { |
| 6852 xterm_trace = 0; | |
| 6853 return FALSE; | |
| 6854 } | |
| 6855 | |
| 6856 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
| 6857 &win_x, &win_y, &mask_return); | |
| 6858 | |
| 6859 row = check_row((win_y - xterm_hints.y) / xterm_hints.height_inc); | |
| 6860 col = check_col((win_x - xterm_hints.x) / xterm_hints.width_inc); | |
| 6861 if (row == prev_row && col == prev_col) | |
| 6862 return TRUE; | |
| 6863 | |
| 6864 STRCPY(buf, mouse_code); | |
| 6865 strp = buf + STRLEN(buf); | |
| 6866 *strp++ = (xterm_button | MOUSE_DRAG) & ~0x20; | |
| 6867 *strp++ = (char_u)(col + ' ' + 1); | |
| 6868 *strp++ = (char_u)(row + ' ' + 1); | |
| 6869 *strp = 0; | |
| 6870 add_to_input_buf(buf, STRLEN(buf)); | |
| 6871 | |
| 6872 prev_row = row; | |
| 6873 prev_col = col; | |
| 6874 return TRUE; | |
| 6875 } | |
| 6876 | |
| 6877 # if defined(FEAT_GUI) || defined(PROTO) | |
| 6878 /* | |
| 6879 * Destroy the display, window and app_context. Required for GTK. | |
| 6880 */ | |
| 6881 void | |
| 6882 clear_xterm_clip() | |
| 6883 { | |
| 6884 if (xterm_Shell != (Widget)0) | |
| 6885 { | |
| 6886 XtDestroyWidget(xterm_Shell); | |
| 6887 xterm_Shell = (Widget)0; | |
| 6888 } | |
| 6889 if (xterm_dpy != NULL) | |
| 6890 { | |
| 1605 | 6891 # if 0 |
| 7 | 6892 /* Lesstif and Solaris crash here, lose some memory */ |
| 6893 XtCloseDisplay(xterm_dpy); | |
| 1605 | 6894 # endif |
| 7 | 6895 if (x11_display == xterm_dpy) |
| 6896 x11_display = NULL; | |
| 6897 xterm_dpy = NULL; | |
| 6898 } | |
| 1605 | 6899 # if 0 |
| 7 | 6900 if (app_context != (XtAppContext)NULL) |
| 6901 { | |
| 6902 /* Lesstif and Solaris crash here, lose some memory */ | |
| 6903 XtDestroyApplicationContext(app_context); | |
| 6904 app_context = (XtAppContext)NULL; | |
| 6905 } | |
| 1605 | 6906 # endif |
| 7 | 6907 } |
| 6908 # endif | |
| 6909 | |
| 6910 /* | |
| 4230 | 6911 * Catch up with GUI or X events. |
| 6912 */ | |
| 6913 static void | |
| 6914 clip_update() | |
| 6915 { | |
| 6916 # ifdef FEAT_GUI | |
| 6917 if (gui.in_use) | |
| 6918 gui_mch_update(); | |
| 6919 else | |
| 6920 # endif | |
| 6921 if (xterm_Shell != (Widget)0) | |
| 6922 xterm_update(); | |
| 6923 } | |
| 6924 | |
| 6925 /* | |
| 7 | 6926 * Catch up with any queued X events. This may put keyboard input into the |
| 6927 * input buffer, call resize call-backs, trigger timers etc. If there is | |
| 6928 * nothing in the X event queue (& no timers pending), then we return | |
| 6929 * immediately. | |
| 6930 */ | |
| 6931 static void | |
| 6932 xterm_update() | |
| 6933 { | |
| 6934 XEvent event; | |
| 6935 | |
| 6936 while (XtAppPending(app_context) && !vim_is_input_buf_full()) | |
| 6937 { | |
| 6938 XtAppNextEvent(app_context, &event); | |
| 6939 #ifdef FEAT_CLIENTSERVER | |
| 6940 { | |
| 6941 XPropertyEvent *e = (XPropertyEvent *)&event; | |
| 6942 | |
| 6943 if (e->type == PropertyNotify && e->window == commWindow | |
| 6944 && e->atom == commProperty && e->state == PropertyNewValue) | |
| 6945 serverEventProc(xterm_dpy, &event); | |
| 6946 } | |
| 6947 #endif | |
| 6948 XtDispatchEvent(&event); | |
| 6949 } | |
| 6950 } | |
| 6951 | |
| 6952 int | |
| 6953 clip_xterm_own_selection(cbd) | |
| 6954 VimClipboard *cbd; | |
| 6955 { | |
| 6956 if (xterm_Shell != (Widget)0) | |
| 6957 return clip_x11_own_selection(xterm_Shell, cbd); | |
| 6958 return FAIL; | |
| 6959 } | |
| 6960 | |
| 6961 void | |
| 6962 clip_xterm_lose_selection(cbd) | |
| 6963 VimClipboard *cbd; | |
| 6964 { | |
| 6965 if (xterm_Shell != (Widget)0) | |
| 6966 clip_x11_lose_selection(xterm_Shell, cbd); | |
| 6967 } | |
| 6968 | |
| 6969 void | |
| 6970 clip_xterm_request_selection(cbd) | |
| 6971 VimClipboard *cbd; | |
| 6972 { | |
| 6973 if (xterm_Shell != (Widget)0) | |
| 6974 clip_x11_request_selection(xterm_Shell, xterm_dpy, cbd); | |
| 6975 } | |
| 6976 | |
| 6977 void | |
| 6978 clip_xterm_set_selection(cbd) | |
| 6979 VimClipboard *cbd; | |
| 6980 { | |
| 6981 clip_x11_set_selection(cbd); | |
| 6982 } | |
| 6983 #endif | |
| 6984 | |
| 6985 | |
| 6986 #if defined(USE_XSMP) || defined(PROTO) | |
| 6987 /* | |
| 6988 * Code for X Session Management Protocol. | |
| 6989 */ | |
| 6990 static void xsmp_handle_save_yourself __ARGS((SmcConn smc_conn, SmPointer client_data, int save_type, Bool shutdown, int interact_style, Bool fast)); | |
| 6991 static void xsmp_die __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6992 static void xsmp_save_complete __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6993 static void xsmp_shutdown_cancelled __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6994 static void xsmp_ice_connection __ARGS((IceConn iceConn, IcePointer clientData, Bool opening, IcePointer *watchData)); | |
| 6995 | |
| 6996 | |
| 6997 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
| 6998 static void xsmp_handle_interaction __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6999 | |
| 7000 /* | |
| 7001 * This is our chance to ask the user if they want to save, | |
| 7002 * or abort the logout | |
| 7003 */ | |
| 7004 static void | |
| 7005 xsmp_handle_interaction(smc_conn, client_data) | |
| 7006 SmcConn smc_conn; | |
| 1883 | 7007 SmPointer client_data UNUSED; |
| 7 | 7008 { |
| 7009 cmdmod_T save_cmdmod; | |
| 7010 int cancel_shutdown = False; | |
| 7011 | |
| 7012 save_cmdmod = cmdmod; | |
| 7013 cmdmod.confirm = TRUE; | |
| 7014 if (check_changed_any(FALSE)) | |
| 7015 /* Mustn't logout */ | |
| 7016 cancel_shutdown = True; | |
| 7017 cmdmod = save_cmdmod; | |
| 7018 setcursor(); /* position cursor */ | |
| 7019 out_flush(); | |
| 7020 | |
| 7021 /* Done interaction */ | |
| 7022 SmcInteractDone(smc_conn, cancel_shutdown); | |
| 7023 | |
| 7024 /* Finish off | |
| 7025 * Only end save-yourself here if we're not cancelling shutdown; | |
| 7026 * we'll get a cancelled callback later in which we'll end it. | |
| 7027 * Hopefully get around glitchy SMs (like GNOME-1) | |
| 7028 */ | |
| 7029 if (!cancel_shutdown) | |
| 7030 { | |
| 7031 xsmp.save_yourself = False; | |
| 7032 SmcSaveYourselfDone(smc_conn, True); | |
| 7033 } | |
| 7034 } | |
| 7035 # endif | |
| 7036 | |
| 7037 /* | |
| 7038 * Callback that starts save-yourself. | |
| 7039 */ | |
| 7040 static void | |
| 7041 xsmp_handle_save_yourself(smc_conn, client_data, save_type, | |
| 7042 shutdown, interact_style, fast) | |
| 7043 SmcConn smc_conn; | |
| 1883 | 7044 SmPointer client_data UNUSED; |
| 7045 int save_type UNUSED; | |
| 7 | 7046 Bool shutdown; |
| 1883 | 7047 int interact_style UNUSED; |
| 7048 Bool fast UNUSED; | |
| 7 | 7049 { |
| 7050 /* Handle already being in saveyourself */ | |
| 7051 if (xsmp.save_yourself) | |
| 7052 SmcSaveYourselfDone(smc_conn, True); | |
| 7053 xsmp.save_yourself = True; | |
| 7054 xsmp.shutdown = shutdown; | |
| 7055 | |
| 7056 /* First up, preserve all files */ | |
| 7057 out_flush(); | |
| 7058 ml_sync_all(FALSE, FALSE); /* preserve all swap files */ | |
| 7059 | |
| 7060 if (p_verbose > 0) | |
| 292 | 7061 verb_msg((char_u *)_("XSMP handling save-yourself request")); |
| 7 | 7062 |
| 7063 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
| 7064 /* Now see if we can ask about unsaved files */ | |
| 7065 if (shutdown && !fast && gui.in_use) | |
| 7066 /* Need to interact with user, but need SM's permission */ | |
| 7067 SmcInteractRequest(smc_conn, SmDialogError, | |
| 7068 xsmp_handle_interaction, client_data); | |
| 7069 else | |
| 7070 # endif | |
| 7071 { | |
| 7072 /* Can stop the cycle here */ | |
| 7073 SmcSaveYourselfDone(smc_conn, True); | |
| 7074 xsmp.save_yourself = False; | |
| 7075 } | |
| 7076 } | |
| 7077 | |
| 7078 | |
| 7079 /* | |
| 7080 * Callback to warn us of imminent death. | |
| 7081 */ | |
| 7082 static void | |
| 7083 xsmp_die(smc_conn, client_data) | |
| 1883 | 7084 SmcConn smc_conn UNUSED; |
| 7085 SmPointer client_data UNUSED; | |
| 7 | 7086 { |
| 7087 xsmp_close(); | |
| 7088 | |
| 7089 /* quit quickly leaving swapfiles for modified buffers behind */ | |
| 7090 getout_preserve_modified(0); | |
| 7091 } | |
| 7092 | |
| 7093 | |
| 7094 /* | |
| 7095 * Callback to tell us that save-yourself has completed. | |
| 7096 */ | |
| 7097 static void | |
| 7098 xsmp_save_complete(smc_conn, client_data) | |
| 1883 | 7099 SmcConn smc_conn UNUSED; |
| 7100 SmPointer client_data UNUSED; | |
| 7 | 7101 { |
| 7102 xsmp.save_yourself = False; | |
| 7103 } | |
| 7104 | |
| 7105 | |
| 7106 /* | |
| 7107 * Callback to tell us that an instigated shutdown was cancelled | |
| 7108 * (maybe even by us) | |
| 7109 */ | |
| 7110 static void | |
| 7111 xsmp_shutdown_cancelled(smc_conn, client_data) | |
| 7112 SmcConn smc_conn; | |
| 1883 | 7113 SmPointer client_data UNUSED; |
| 7 | 7114 { |
| 7115 if (xsmp.save_yourself) | |
| 7116 SmcSaveYourselfDone(smc_conn, True); | |
| 7117 xsmp.save_yourself = False; | |
| 7118 xsmp.shutdown = False; | |
| 7119 } | |
| 7120 | |
| 7121 | |
| 7122 /* | |
| 7123 * Callback to tell us that a new ICE connection has been established. | |
| 7124 */ | |
| 7125 static void | |
| 7126 xsmp_ice_connection(iceConn, clientData, opening, watchData) | |
| 7127 IceConn iceConn; | |
| 1883 | 7128 IcePointer clientData UNUSED; |
| 7 | 7129 Bool opening; |
| 1883 | 7130 IcePointer *watchData UNUSED; |
| 7 | 7131 { |
| 7132 /* Intercept creation of ICE connection fd */ | |
| 7133 if (opening) | |
| 7134 { | |
| 7135 xsmp_icefd = IceConnectionNumber(iceConn); | |
| 7136 IceRemoveConnectionWatch(xsmp_ice_connection, NULL); | |
| 7137 } | |
| 7138 } | |
| 7139 | |
| 7140 | |
| 7141 /* Handle any ICE processing that's required; return FAIL if SM lost */ | |
| 7142 int | |
| 7143 xsmp_handle_requests() | |
| 7144 { | |
| 7145 Bool rep; | |
| 7146 | |
| 7147 if (IceProcessMessages(xsmp.iceconn, NULL, &rep) | |
| 7148 == IceProcessMessagesIOError) | |
| 7149 { | |
| 7150 /* Lost ICE */ | |
| 7151 if (p_verbose > 0) | |
| 292 | 7152 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 7153 xsmp_close(); |
| 7154 return FAIL; | |
| 7155 } | |
| 7156 else | |
| 7157 return OK; | |
| 7158 } | |
| 7159 | |
| 7160 static int dummy; | |
| 7161 | |
| 7162 /* Set up X Session Management Protocol */ | |
| 7163 void | |
| 7164 xsmp_init(void) | |
| 7165 { | |
| 7166 char errorstring[80]; | |
| 7167 SmcCallbacks smcallbacks; | |
| 7168 #if 0 | |
| 7169 SmPropValue smname; | |
| 7170 SmProp smnameprop; | |
| 7171 SmProp *smprops[1]; | |
| 7172 #endif | |
| 7173 | |
| 7174 if (p_verbose > 0) | |
| 292 | 7175 verb_msg((char_u *)_("XSMP opening connection")); |
| 7 | 7176 |
| 7177 xsmp.save_yourself = xsmp.shutdown = False; | |
| 7178 | |
| 7179 /* Set up SM callbacks - must have all, even if they're not used */ | |
| 7180 smcallbacks.save_yourself.callback = xsmp_handle_save_yourself; | |
| 7181 smcallbacks.save_yourself.client_data = NULL; | |
| 7182 smcallbacks.die.callback = xsmp_die; | |
| 7183 smcallbacks.die.client_data = NULL; | |
| 7184 smcallbacks.save_complete.callback = xsmp_save_complete; | |
| 7185 smcallbacks.save_complete.client_data = NULL; | |
| 7186 smcallbacks.shutdown_cancelled.callback = xsmp_shutdown_cancelled; | |
| 7187 smcallbacks.shutdown_cancelled.client_data = NULL; | |
| 7188 | |
| 7189 /* Set up a watch on ICE connection creations. The "dummy" argument is | |
| 7190 * apparently required for FreeBSD (we get a BUS error when using NULL). */ | |
| 7191 if (IceAddConnectionWatch(xsmp_ice_connection, &dummy) == 0) | |
| 7192 { | |
| 7193 if (p_verbose > 0) | |
| 292 | 7194 verb_msg((char_u *)_("XSMP ICE connection watch failed")); |
| 7 | 7195 return; |
| 7196 } | |
| 7197 | |
| 7198 /* Create an SM connection */ | |
| 7199 xsmp.smcconn = SmcOpenConnection( | |
| 7200 NULL, | |
| 7201 NULL, | |
| 7202 SmProtoMajor, | |
| 7203 SmProtoMinor, | |
| 7204 SmcSaveYourselfProcMask | SmcDieProcMask | |
| 7205 | SmcSaveCompleteProcMask | SmcShutdownCancelledProcMask, | |
| 7206 &smcallbacks, | |
| 7207 NULL, | |
| 1605 | 7208 &xsmp.clientid, |
| 7 | 7209 sizeof(errorstring), |
| 7210 errorstring); | |
| 7211 if (xsmp.smcconn == NULL) | |
| 7212 { | |
| 7213 char errorreport[132]; | |
| 273 | 7214 |
| 292 | 7215 if (p_verbose > 0) |
| 7216 { | |
| 7217 vim_snprintf(errorreport, sizeof(errorreport), | |
| 273 | 7218 _("XSMP SmcOpenConnection failed: %s"), errorstring); |
| 292 | 7219 verb_msg((char_u *)errorreport); |
| 7220 } | |
| 7 | 7221 return; |
| 7222 } | |
| 7223 xsmp.iceconn = SmcGetIceConnection(xsmp.smcconn); | |
| 7224 | |
| 7225 #if 0 | |
| 7226 /* ID ourselves */ | |
| 7227 smname.value = "vim"; | |
| 7228 smname.length = 3; | |
| 7229 smnameprop.name = "SmProgram"; | |
| 7230 smnameprop.type = "SmARRAY8"; | |
| 7231 smnameprop.num_vals = 1; | |
| 7232 smnameprop.vals = &smname; | |
| 7233 | |
| 7234 smprops[0] = &smnameprop; | |
| 7235 SmcSetProperties(xsmp.smcconn, 1, smprops); | |
| 7236 #endif | |
| 7237 } | |
| 7238 | |
| 7239 | |
| 7240 /* Shut down XSMP comms. */ | |
| 7241 void | |
| 7242 xsmp_close() | |
| 7243 { | |
| 7244 if (xsmp_icefd != -1) | |
| 7245 { | |
| 7246 SmcCloseConnection(xsmp.smcconn, 0, NULL); | |
| 1737 | 7247 if (xsmp.clientid != NULL) |
| 7248 free(xsmp.clientid); | |
| 1605 | 7249 xsmp.clientid = NULL; |
| 7 | 7250 xsmp_icefd = -1; |
| 7251 } | |
| 7252 } | |
| 7253 #endif /* USE_XSMP */ | |
| 7254 | |
| 7255 | |
| 7256 #ifdef EBCDIC | |
| 7257 /* Translate character to its CTRL- value */ | |
| 7258 char CtrlTable[] = | |
| 7259 { | |
| 7260 /* 00 - 5E */ | |
| 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, 0, | |
| 7266 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7267 /* ^ */ 0x1E, | |
| 7268 /* - */ 0x1F, | |
| 7269 /* 61 - 6C */ | |
| 7270 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7271 /* _ */ 0x1F, | |
| 7272 /* 6E - 80 */ | |
| 7273 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7274 /* a */ 0x01, | |
| 7275 /* b */ 0x02, | |
| 7276 /* c */ 0x03, | |
| 7277 /* d */ 0x37, | |
| 7278 /* e */ 0x2D, | |
| 7279 /* f */ 0x2E, | |
| 7280 /* g */ 0x2F, | |
| 7281 /* h */ 0x16, | |
| 7282 /* i */ 0x05, | |
| 7283 /* 8A - 90 */ | |
| 7284 0, 0, 0, 0, 0, 0, 0, | |
| 7285 /* j */ 0x15, | |
| 7286 /* k */ 0x0B, | |
| 7287 /* l */ 0x0C, | |
| 7288 /* m */ 0x0D, | |
| 7289 /* n */ 0x0E, | |
| 7290 /* o */ 0x0F, | |
| 7291 /* p */ 0x10, | |
| 7292 /* q */ 0x11, | |
| 7293 /* r */ 0x12, | |
| 7294 /* 9A - A1 */ | |
| 7295 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7296 /* s */ 0x13, | |
| 7297 /* t */ 0x3C, | |
| 7298 /* u */ 0x3D, | |
| 7299 /* v */ 0x32, | |
| 7300 /* w */ 0x26, | |
| 7301 /* x */ 0x18, | |
| 7302 /* y */ 0x19, | |
| 7303 /* z */ 0x3F, | |
| 7304 /* AA - AC */ | |
| 7305 0, 0, 0, | |
| 7306 /* [ */ 0x27, | |
| 7307 /* AE - BC */ | |
| 7308 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7309 /* ] */ 0x1D, | |
| 7310 /* BE - C0 */ 0, 0, 0, | |
| 7311 /* A */ 0x01, | |
| 7312 /* B */ 0x02, | |
| 7313 /* C */ 0x03, | |
| 7314 /* D */ 0x37, | |
| 7315 /* E */ 0x2D, | |
| 7316 /* F */ 0x2E, | |
| 7317 /* G */ 0x2F, | |
| 7318 /* H */ 0x16, | |
| 7319 /* I */ 0x05, | |
| 7320 /* CA - D0 */ 0, 0, 0, 0, 0, 0, 0, | |
| 7321 /* J */ 0x15, | |
| 7322 /* K */ 0x0B, | |
| 7323 /* L */ 0x0C, | |
| 7324 /* M */ 0x0D, | |
| 7325 /* N */ 0x0E, | |
| 7326 /* O */ 0x0F, | |
| 7327 /* P */ 0x10, | |
| 7328 /* Q */ 0x11, | |
| 7329 /* R */ 0x12, | |
| 7330 /* DA - DF */ 0, 0, 0, 0, 0, 0, | |
| 7331 /* \ */ 0x1C, | |
| 7332 /* E1 */ 0, | |
| 7333 /* S */ 0x13, | |
| 7334 /* T */ 0x3C, | |
| 7335 /* U */ 0x3D, | |
| 7336 /* V */ 0x32, | |
| 7337 /* W */ 0x26, | |
| 7338 /* X */ 0x18, | |
| 7339 /* Y */ 0x19, | |
| 7340 /* Z */ 0x3F, | |
| 7341 /* EA - FF*/ 0, 0, 0, 0, 0, 0, | |
| 7342 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7343 }; | |
| 7344 | |
| 7345 char MetaCharTable[]= | |
| 7346 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
| 7347 0, 0, 0, 0,'\\', 0,'F', 0,'W','M','N', 0, 0, 0, 0, 0, | |
| 7348 0, 0, 0, 0,']', 0, 0,'G', 0, 0,'R','O', 0, 0, 0, 0, | |
| 7349 '@','A','B','C','D','E', 0, 0,'H','I','J','K','L', 0, 0, 0, | |
| 7350 'P','Q', 0,'S','T','U','V', 0,'X','Y','Z','[', 0, 0,'^', 0 | |
| 7351 }; | |
| 7352 | |
| 7353 | |
| 7354 /* TODO: Use characters NOT numbers!!! */ | |
| 7355 char CtrlCharTable[]= | |
| 7356 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
| 7357 124,193,194,195, 0,201, 0, 0, 0, 0, 0,210,211,212,213,214, | |
| 7358 215,216,217,226, 0,209,200, 0,231,232, 0, 0,224,189, 95,109, | |
| 7359 0, 0, 0, 0, 0, 0,230,173, 0, 0, 0, 0, 0,197,198,199, | |
| 7360 0, 0,229, 0, 0, 0, 0,196, 0, 0, 0, 0,227,228, 0,233, | |
| 7361 }; | |
| 7362 | |
| 7363 | |
| 7364 #endif |