Mercurial > vim
annotate src/os_unix.c @ 4033:3bd2c055319e v7.3.771
updated for version 7.3.771
Problem: Uninitialized variable. (Yasuhiro Matsumoto)
Solution: Set x2 to -1.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Thu, 17 Jan 2013 17:37:35 +0100 |
| parents | caa0ca9ad06c |
| children | 16e8a09e8ab0 |
| 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() */ | |
| 1102 | 64 # endif |
| 65 #endif | |
| 66 | |
| 7 | 67 #if defined(HAVE_SELECT) |
| 68 extern int select __ARGS((int, fd_set *, fd_set *, fd_set *, struct timeval *)); | |
| 69 #endif | |
| 70 | |
| 71 #ifdef FEAT_MOUSE_GPM | |
| 72 # include <gpm.h> | |
| 73 /* <linux/keyboard.h> contains defines conflicting with "keymap.h", | |
| 74 * I just copied relevant defines here. A cleaner solution would be to put gpm | |
| 75 * code into separate file and include there linux/keyboard.h | |
| 76 */ | |
| 77 /* #include <linux/keyboard.h> */ | |
| 78 # define KG_SHIFT 0 | |
| 79 # define KG_CTRL 2 | |
| 80 # define KG_ALT 3 | |
| 81 # define KG_ALTGR 1 | |
| 82 # define KG_SHIFTL 4 | |
| 83 # define KG_SHIFTR 5 | |
| 84 # define KG_CTRLL 6 | |
| 85 # define KG_CTRLR 7 | |
| 86 # define KG_CAPSSHIFT 8 | |
| 87 | |
| 88 static void gpm_close __ARGS((void)); | |
| 89 static int gpm_open __ARGS((void)); | |
| 90 static int mch_gpm_process __ARGS((void)); | |
| 91 #endif | |
| 92 | |
| 1620 | 93 #ifdef FEAT_SYSMOUSE |
| 94 # include <sys/consio.h> | |
| 95 # include <sys/fbio.h> | |
| 96 | |
| 97 static int sysmouse_open __ARGS((void)); | |
| 98 static void sysmouse_close __ARGS((void)); | |
| 99 static RETSIGTYPE sig_sysmouse __ARGS(SIGPROTOARG); | |
| 100 #endif | |
| 101 | |
| 7 | 102 /* |
| 103 * end of autoconf section. To be extended... | |
| 104 */ | |
| 105 | |
| 106 /* Are the following #ifdefs still required? And why? Is that for X11? */ | |
| 107 | |
| 108 #if defined(ESIX) || defined(M_UNIX) && !defined(SCO) | |
| 109 # ifdef SIGWINCH | |
| 110 # undef SIGWINCH | |
| 111 # endif | |
| 112 # ifdef TIOCGWINSZ | |
| 113 # undef TIOCGWINSZ | |
| 114 # endif | |
| 115 #endif | |
| 116 | |
| 117 #if defined(SIGWINDOW) && !defined(SIGWINCH) /* hpux 9.01 has it */ | |
| 118 # define SIGWINCH SIGWINDOW | |
| 119 #endif | |
| 120 | |
| 121 #ifdef FEAT_X11 | |
| 122 # include <X11/Xlib.h> | |
| 123 # include <X11/Xutil.h> | |
| 124 # include <X11/Xatom.h> | |
| 125 # ifdef FEAT_XCLIPBOARD | |
| 126 # include <X11/Intrinsic.h> | |
| 127 # include <X11/Shell.h> | |
| 128 # include <X11/StringDefs.h> | |
| 129 static Widget xterm_Shell = (Widget)0; | |
| 130 static void xterm_update __ARGS((void)); | |
| 131 # endif | |
| 132 | |
| 133 # if defined(FEAT_XCLIPBOARD) || defined(FEAT_TITLE) | |
| 134 Window x11_window = 0; | |
| 135 # endif | |
| 136 Display *x11_display = NULL; | |
| 137 | |
| 138 # ifdef FEAT_TITLE | |
| 139 static int get_x11_windis __ARGS((void)); | |
| 140 static void set_x11_title __ARGS((char_u *)); | |
| 141 static void set_x11_icon __ARGS((char_u *)); | |
| 142 # endif | |
| 143 #endif | |
| 144 | |
| 145 #ifdef FEAT_TITLE | |
| 146 static int get_x11_title __ARGS((int)); | |
| 147 static int get_x11_icon __ARGS((int)); | |
| 148 | |
| 149 static char_u *oldtitle = NULL; | |
| 150 static int did_set_title = FALSE; | |
| 151 static char_u *oldicon = NULL; | |
| 152 static int did_set_icon = FALSE; | |
| 153 #endif | |
| 154 | |
| 155 static void may_core_dump __ARGS((void)); | |
| 156 | |
| 3048 | 157 #ifdef HAVE_UNION_WAIT |
| 158 typedef union wait waitstatus; | |
| 159 #else | |
| 160 typedef int waitstatus; | |
| 161 #endif | |
| 3062 | 162 static pid_t wait4pid __ARGS((pid_t, waitstatus *)); |
| 3048 | 163 |
| 7 | 164 static int WaitForChar __ARGS((long)); |
| 165 #if defined(__BEOS__) | |
| 166 int RealWaitForChar __ARGS((int, long, int *)); | |
| 167 #else | |
| 168 static int RealWaitForChar __ARGS((int, long, int *)); | |
| 169 #endif | |
| 170 | |
| 171 #ifdef FEAT_XCLIPBOARD | |
| 172 static int do_xterm_trace __ARGS((void)); | |
| 331 | 173 # define XT_TRACE_DELAY 50 /* delay for xterm tracing */ |
| 7 | 174 #endif |
| 175 | |
| 176 static void handle_resize __ARGS((void)); | |
| 177 | |
| 178 #if defined(SIGWINCH) | |
| 179 static RETSIGTYPE sig_winch __ARGS(SIGPROTOARG); | |
| 180 #endif | |
| 181 #if defined(SIGINT) | |
| 182 static RETSIGTYPE catch_sigint __ARGS(SIGPROTOARG); | |
| 183 #endif | |
| 184 #if defined(SIGPWR) | |
| 185 static RETSIGTYPE catch_sigpwr __ARGS(SIGPROTOARG); | |
| 186 #endif | |
| 187 #if defined(SIGALRM) && defined(FEAT_X11) \ | |
| 188 && defined(FEAT_TITLE) && !defined(FEAT_GUI_GTK) | |
| 189 # define SET_SIG_ALARM | |
| 190 static RETSIGTYPE sig_alarm __ARGS(SIGPROTOARG); | |
| 1832 | 191 /* volatile because it is used in signal handler sig_alarm(). */ |
| 192 static volatile int sig_alarm_called; | |
| 7 | 193 #endif |
| 194 static RETSIGTYPE deathtrap __ARGS(SIGPROTOARG); | |
| 195 | |
| 167 | 196 static void catch_int_signal __ARGS((void)); |
| 7 | 197 static void set_signals __ARGS((void)); |
| 198 static void catch_signals __ARGS((RETSIGTYPE (*func_deadly)(), RETSIGTYPE (*func_other)())); | |
| 199 #ifndef __EMX__ | |
| 200 static int have_wildcard __ARGS((int, char_u **)); | |
| 201 static int have_dollars __ARGS((int, char_u **)); | |
| 202 #endif | |
| 203 | |
| 204 #ifndef __EMX__ | |
| 205 static int save_patterns __ARGS((int num_pat, char_u **pat, int *num_file, char_u ***file)); | |
| 206 #endif | |
| 207 | |
| 208 #ifndef SIG_ERR | |
| 1879 | 209 # define SIG_ERR ((RETSIGTYPE (*)())-1) |
| 7 | 210 #endif |
| 211 | |
| 1832 | 212 /* volatile because it is used in signal handler sig_winch(). */ |
| 213 static volatile int do_resize = FALSE; | |
| 7 | 214 #ifndef __EMX__ |
| 215 static char_u *extra_shell_arg = NULL; | |
| 216 static int show_shell_mess = TRUE; | |
| 217 #endif | |
| 1832 | 218 /* volatile because it is used in signal handler deathtrap(). */ |
| 219 static volatile int deadly_signal = 0; /* The signal we caught */ | |
| 220 /* volatile because it is used in signal handler deathtrap(). */ | |
| 221 static volatile int in_mch_delay = FALSE; /* sleeping in mch_delay() */ | |
| 7 | 222 |
| 223 static int curr_tmode = TMODE_COOK; /* contains current terminal mode */ | |
| 224 | |
| 225 #ifdef USE_XSMP | |
| 226 typedef struct | |
| 227 { | |
| 228 SmcConn smcconn; /* The SM connection ID */ | |
| 229 IceConn iceconn; /* The ICE connection ID */ | |
|
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parents:
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changeset
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230 char *clientid; /* The client ID for the current smc session */ |
| 7 | 231 Bool save_yourself; /* If we're in the middle of a save_yourself */ |
| 232 Bool shutdown; /* If we're in shutdown mode */ | |
| 233 } xsmp_config_T; | |
| 234 | |
| 235 static xsmp_config_T xsmp; | |
| 236 #endif | |
| 237 | |
| 238 #ifdef SYS_SIGLIST_DECLARED | |
| 239 /* | |
| 240 * I have seen | |
| 241 * extern char *_sys_siglist[NSIG]; | |
| 242 * on Irix, Linux, NetBSD and Solaris. It contains a nice list of strings | |
| 243 * that describe the signals. That is nearly what we want here. But | |
| 244 * autoconf does only check for sys_siglist (without the underscore), I | |
| 245 * do not want to change everything today.... jw. | |
| 246 * This is why AC_DECL_SYS_SIGLIST is commented out in configure.in | |
| 247 */ | |
| 248 #endif | |
| 249 | |
| 250 static struct signalinfo | |
| 251 { | |
| 252 int sig; /* Signal number, eg. SIGSEGV etc */ | |
| 253 char *name; /* Signal name (not char_u!). */ | |
| 254 char deadly; /* Catch as a deadly signal? */ | |
| 255 } signal_info[] = | |
| 256 { | |
| 257 #ifdef SIGHUP | |
| 258 {SIGHUP, "HUP", TRUE}, | |
| 259 #endif | |
| 260 #ifdef SIGQUIT | |
| 261 {SIGQUIT, "QUIT", TRUE}, | |
| 262 #endif | |
| 263 #ifdef SIGILL | |
| 264 {SIGILL, "ILL", TRUE}, | |
| 265 #endif | |
| 266 #ifdef SIGTRAP | |
| 267 {SIGTRAP, "TRAP", TRUE}, | |
| 268 #endif | |
| 269 #ifdef SIGABRT | |
| 270 {SIGABRT, "ABRT", TRUE}, | |
| 271 #endif | |
| 272 #ifdef SIGEMT | |
| 273 {SIGEMT, "EMT", TRUE}, | |
| 274 #endif | |
| 275 #ifdef SIGFPE | |
| 276 {SIGFPE, "FPE", TRUE}, | |
| 277 #endif | |
| 278 #ifdef SIGBUS | |
| 279 {SIGBUS, "BUS", TRUE}, | |
| 280 #endif | |
| 281 #ifdef SIGSEGV | |
| 282 {SIGSEGV, "SEGV", TRUE}, | |
| 283 #endif | |
| 284 #ifdef SIGSYS | |
| 285 {SIGSYS, "SYS", TRUE}, | |
| 286 #endif | |
| 287 #ifdef SIGALRM | |
| 288 {SIGALRM, "ALRM", FALSE}, /* Perl's alarm() can trigger it */ | |
| 289 #endif | |
| 290 #ifdef SIGTERM | |
| 291 {SIGTERM, "TERM", TRUE}, | |
| 292 #endif | |
| 2701 | 293 #if defined(SIGVTALRM) && !defined(FEAT_RUBY) |
| 7 | 294 {SIGVTALRM, "VTALRM", TRUE}, |
| 295 #endif | |
| 1560 | 296 #if defined(SIGPROF) && !defined(FEAT_MZSCHEME) && !defined(WE_ARE_PROFILING) |
| 297 /* MzScheme uses SIGPROF for its own needs; On Linux with profiling | |
| 298 * this makes Vim exit. WE_ARE_PROFILING is defined in Makefile. */ | |
| 7 | 299 {SIGPROF, "PROF", TRUE}, |
| 300 #endif | |
| 301 #ifdef SIGXCPU | |
| 302 {SIGXCPU, "XCPU", TRUE}, | |
| 303 #endif | |
| 304 #ifdef SIGXFSZ | |
| 305 {SIGXFSZ, "XFSZ", TRUE}, | |
| 306 #endif | |
| 307 #ifdef SIGUSR1 | |
| 308 {SIGUSR1, "USR1", TRUE}, | |
| 309 #endif | |
| 1620 | 310 #if defined(SIGUSR2) && !defined(FEAT_SYSMOUSE) |
| 311 /* Used for sysmouse handling */ | |
| 7 | 312 {SIGUSR2, "USR2", TRUE}, |
| 313 #endif | |
| 314 #ifdef SIGINT | |
| 315 {SIGINT, "INT", FALSE}, | |
| 316 #endif | |
| 317 #ifdef SIGWINCH | |
| 318 {SIGWINCH, "WINCH", FALSE}, | |
| 319 #endif | |
| 320 #ifdef SIGTSTP | |
| 321 {SIGTSTP, "TSTP", FALSE}, | |
| 322 #endif | |
| 323 #ifdef SIGPIPE | |
| 324 {SIGPIPE, "PIPE", FALSE}, | |
| 325 #endif | |
| 326 {-1, "Unknown!", FALSE} | |
| 327 }; | |
| 328 | |
| 1935 | 329 int |
| 330 mch_chdir(path) | |
| 331 char *path; | |
| 332 { | |
| 333 if (p_verbose >= 5) | |
| 334 { | |
| 335 verbose_enter(); | |
| 336 smsg((char_u *)"chdir(%s)", path); | |
| 337 verbose_leave(); | |
| 338 } | |
| 339 # ifdef VMS | |
| 340 return chdir(vms_fixfilename(path)); | |
| 341 # else | |
| 342 return chdir(path); | |
| 343 # endif | |
| 344 } | |
| 345 | |
| 1757 | 346 /* |
| 347 * Write s[len] to the screen. | |
| 348 */ | |
| 7 | 349 void |
| 350 mch_write(s, len) | |
| 351 char_u *s; | |
| 352 int len; | |
| 353 { | |
| 1757 | 354 ignored = (int)write(1, (char *)s, len); |
| 7 | 355 if (p_wd) /* Unix is too fast, slow down a bit more */ |
| 356 RealWaitForChar(read_cmd_fd, p_wd, NULL); | |
| 357 } | |
| 358 | |
| 359 /* | |
| 1450 | 360 * mch_inchar(): low level input function. |
| 7 | 361 * Get a characters from the keyboard. |
| 362 * Return the number of characters that are available. | |
| 363 * If wtime == 0 do not wait for characters. | |
| 364 * If wtime == n wait a short time for characters. | |
| 365 * If wtime == -1 wait forever for characters. | |
| 366 */ | |
| 367 int | |
| 368 mch_inchar(buf, maxlen, wtime, tb_change_cnt) | |
| 369 char_u *buf; | |
| 370 int maxlen; | |
| 371 long wtime; /* don't use "time", MIPS cannot handle it */ | |
| 372 int tb_change_cnt; | |
| 373 { | |
| 374 int len; | |
| 375 | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
376 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
377 /* Process the queued netbeans messages. */ |
| 2210 | 378 netbeans_parse_messages(); |
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d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
379 #endif |
|
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Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
380 |
| 7 | 381 /* Check if window changed size while we were busy, perhaps the ":set |
| 382 * columns=99" command was used. */ | |
| 383 while (do_resize) | |
| 384 handle_resize(); | |
| 385 | |
| 386 if (wtime >= 0) | |
| 387 { | |
| 388 while (WaitForChar(wtime) == 0) /* no character available */ | |
| 389 { | |
| 390 if (!do_resize) /* return if not interrupted by resize */ | |
| 391 return 0; | |
| 392 handle_resize(); | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
393 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
394 /* Process the queued netbeans messages. */ |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2277
diff
changeset
|
395 netbeans_parse_messages(); |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
396 #endif |
| 7 | 397 } |
| 398 } | |
| 399 else /* wtime == -1 */ | |
| 400 { | |
| 401 /* | |
| 402 * If there is no character available within 'updatetime' seconds | |
| 216 | 403 * flush all the swap files to disk. |
| 7 | 404 * Also done when interrupted by SIGWINCH. |
| 405 */ | |
| 406 if (WaitForChar(p_ut) == 0) | |
| 407 { | |
| 408 #ifdef FEAT_AUTOCMD | |
| 609 | 409 if (trigger_cursorhold() && maxlen >= 3 |
| 410 && !typebuf_changed(tb_change_cnt)) | |
| 7 | 411 { |
| 216 | 412 buf[0] = K_SPECIAL; |
| 413 buf[1] = KS_EXTRA; | |
| 414 buf[2] = (int)KE_CURSORHOLD; | |
| 415 return 3; | |
| 7 | 416 } |
| 216 | 417 #endif |
| 369 | 418 before_blocking(); |
| 7 | 419 } |
| 420 } | |
| 421 | |
| 422 for (;;) /* repeat until we got a character */ | |
| 423 { | |
| 424 while (do_resize) /* window changed size */ | |
| 425 handle_resize(); | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
426 |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
427 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
428 /* Process the queued netbeans messages. */ |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2277
diff
changeset
|
429 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
|
430 #endif |
| 2436 | 431 #ifndef VMS /* VMS: must try reading, WaitForChar() does nothing. */ |
| 7 | 432 /* |
| 2436 | 433 * We want to be interrupted by the winch signal |
| 434 * or by an event on the monitored file descriptors. | |
| 7 | 435 */ |
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Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
436 if (WaitForChar(-1L) == 0) |
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d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
437 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
438 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
|
439 handle_resize(); |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
440 return 0; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
441 } |
| 2436 | 442 #endif |
| 7 | 443 |
| 444 /* If input was put directly in typeahead buffer bail out here. */ | |
| 445 if (typebuf_changed(tb_change_cnt)) | |
| 446 return 0; | |
| 447 | |
| 448 /* | |
| 449 * For some terminals we only get one character at a time. | |
| 450 * We want the get all available characters, so we could keep on | |
| 451 * trying until none is available | |
| 452 * For some other terminals this is quite slow, that's why we don't do | |
| 453 * it. | |
| 454 */ | |
| 455 len = read_from_input_buf(buf, (long)maxlen); | |
| 456 if (len > 0) | |
| 457 { | |
| 458 #ifdef OS2 | |
| 459 int i; | |
| 460 | |
| 461 for (i = 0; i < len; i++) | |
| 462 if (buf[i] == 0) | |
| 463 buf[i] = K_NUL; | |
| 464 #endif | |
| 465 return len; | |
| 466 } | |
| 467 } | |
| 468 } | |
| 469 | |
| 470 static void | |
| 471 handle_resize() | |
| 472 { | |
| 473 do_resize = FALSE; | |
| 474 shell_resized(); | |
| 475 } | |
| 476 | |
| 477 /* | |
| 478 * return non-zero if a character is available | |
| 479 */ | |
| 480 int | |
| 481 mch_char_avail() | |
| 482 { | |
| 483 return WaitForChar(0L); | |
| 484 } | |
| 485 | |
| 486 #if defined(HAVE_TOTAL_MEM) || defined(PROTO) | |
| 487 # ifdef HAVE_SYS_RESOURCE_H | |
| 1879 | 488 # include <sys/resource.h> |
| 7 | 489 # endif |
| 490 # if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_SYSCTL) | |
| 491 # include <sys/sysctl.h> | |
| 492 # endif | |
| 493 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO) | |
| 494 # include <sys/sysinfo.h> | |
| 495 # endif | |
| 496 | |
| 497 /* | |
| 1110 | 498 * Return total amount of memory available in Kbyte. |
| 499 * Doesn't change when memory has been allocated. | |
| 7 | 500 */ |
| 501 long_u | |
| 502 mch_total_mem(special) | |
| 1877 | 503 int special UNUSED; |
| 7 | 504 { |
| 505 # ifdef __EMX__ | |
| 1110 | 506 return ulimit(3, 0L) >> 10; /* always 32MB? */ |
| 7 | 507 # else |
| 508 long_u mem = 0; | |
| 1110 | 509 long_u shiftright = 10; /* how much to shift "mem" right for Kbyte */ |
| 7 | 510 |
| 511 # ifdef HAVE_SYSCTL | |
| 512 int mib[2], physmem; | |
| 513 size_t len; | |
| 514 | |
| 515 /* BSD way of getting the amount of RAM available. */ | |
| 516 mib[0] = CTL_HW; | |
| 517 mib[1] = HW_USERMEM; | |
| 518 len = sizeof(physmem); | |
| 519 if (sysctl(mib, 2, &physmem, &len, NULL, 0) == 0) | |
| 520 mem = (long_u)physmem; | |
| 521 # endif | |
| 522 | |
| 523 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO) | |
| 524 if (mem == 0) | |
| 525 { | |
| 526 struct sysinfo sinfo; | |
| 527 | |
| 528 /* Linux way of getting amount of RAM available */ | |
| 529 if (sysinfo(&sinfo) == 0) | |
| 1110 | 530 { |
| 531 # ifdef HAVE_SYSINFO_MEM_UNIT | |
| 532 /* avoid overflow as much as possible */ | |
| 533 while (shiftright > 0 && (sinfo.mem_unit & 1) == 0) | |
| 534 { | |
| 535 sinfo.mem_unit = sinfo.mem_unit >> 1; | |
| 536 --shiftright; | |
| 537 } | |
| 538 mem = sinfo.totalram * sinfo.mem_unit; | |
| 539 # else | |
| 7 | 540 mem = sinfo.totalram; |
| 1110 | 541 # endif |
| 542 } | |
| 7 | 543 } |
| 544 # endif | |
| 545 | |
| 546 # ifdef HAVE_SYSCONF | |
| 547 if (mem == 0) | |
| 548 { | |
| 549 long pagesize, pagecount; | |
| 550 | |
| 551 /* Solaris way of getting amount of RAM available */ | |
| 552 pagesize = sysconf(_SC_PAGESIZE); | |
| 553 pagecount = sysconf(_SC_PHYS_PAGES); | |
| 554 if (pagesize > 0 && pagecount > 0) | |
| 1110 | 555 { |
| 556 /* avoid overflow as much as possible */ | |
| 557 while (shiftright > 0 && (pagesize & 1) == 0) | |
| 558 { | |
| 1204 | 559 pagesize = (long_u)pagesize >> 1; |
| 1110 | 560 --shiftright; |
| 561 } | |
| 7 | 562 mem = (long_u)pagesize * pagecount; |
| 1110 | 563 } |
| 7 | 564 } |
| 565 # endif | |
| 566 | |
| 567 /* Return the minimum of the physical memory and the user limit, because | |
| 568 * using more than the user limit may cause Vim to be terminated. */ | |
| 569 # if defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT) | |
| 570 { | |
| 571 struct rlimit rlp; | |
| 572 | |
| 573 if (getrlimit(RLIMIT_DATA, &rlp) == 0 | |
| 574 && rlp.rlim_cur < ((rlim_t)1 << (sizeof(long_u) * 8 - 1)) | |
| 575 # ifdef RLIM_INFINITY | |
| 576 && rlp.rlim_cur != RLIM_INFINITY | |
| 577 # endif | |
| 1110 | 578 && ((long_u)rlp.rlim_cur >> 10) < (mem >> shiftright) |
| 7 | 579 ) |
| 1110 | 580 { |
| 581 mem = (long_u)rlp.rlim_cur; | |
| 582 shiftright = 10; | |
| 583 } | |
| 7 | 584 } |
| 585 # endif | |
| 586 | |
| 587 if (mem > 0) | |
| 1110 | 588 return mem >> shiftright; |
| 589 return (long_u)0x1fffff; | |
| 7 | 590 # endif |
| 591 } | |
| 592 #endif | |
| 593 | |
| 594 void | |
| 595 mch_delay(msec, ignoreinput) | |
| 596 long msec; | |
| 597 int ignoreinput; | |
| 598 { | |
| 599 int old_tmode; | |
| 14 | 600 #ifdef FEAT_MZSCHEME |
| 601 long total = msec; /* remember original value */ | |
| 602 #endif | |
| 7 | 603 |
| 604 if (ignoreinput) | |
| 605 { | |
| 606 /* Go to cooked mode without echo, to allow SIGINT interrupting us | |
| 1530 | 607 * here. But we don't want QUIT to kill us (CTRL-\ used in a |
| 608 * shell may produce SIGQUIT). */ | |
| 609 in_mch_delay = TRUE; | |
| 7 | 610 old_tmode = curr_tmode; |
| 611 if (curr_tmode == TMODE_RAW) | |
| 612 settmode(TMODE_SLEEP); | |
| 613 | |
| 614 /* | |
| 615 * Everybody sleeps in a different way... | |
| 616 * Prefer nanosleep(), some versions of usleep() can only sleep up to | |
| 617 * one second. | |
| 618 */ | |
| 14 | 619 #ifdef FEAT_MZSCHEME |
| 620 do | |
| 621 { | |
| 622 /* if total is large enough, wait by portions in p_mzq */ | |
| 623 if (total > p_mzq) | |
| 624 msec = p_mzq; | |
| 625 else | |
| 626 msec = total; | |
| 627 total -= msec; | |
| 628 #endif | |
| 7 | 629 #ifdef HAVE_NANOSLEEP |
| 630 { | |
| 631 struct timespec ts; | |
| 632 | |
| 633 ts.tv_sec = msec / 1000; | |
| 634 ts.tv_nsec = (msec % 1000) * 1000000; | |
| 635 (void)nanosleep(&ts, NULL); | |
| 636 } | |
| 637 #else | |
| 638 # ifdef HAVE_USLEEP | |
| 639 while (msec >= 1000) | |
| 640 { | |
| 641 usleep((unsigned int)(999 * 1000)); | |
| 642 msec -= 999; | |
| 643 } | |
| 644 usleep((unsigned int)(msec * 1000)); | |
| 645 # else | |
| 646 # ifndef HAVE_SELECT | |
| 647 poll(NULL, 0, (int)msec); | |
| 648 # else | |
| 649 # ifdef __EMX__ | |
| 650 _sleep2(msec); | |
| 651 # else | |
| 652 { | |
| 653 struct timeval tv; | |
| 654 | |
| 655 tv.tv_sec = msec / 1000; | |
| 656 tv.tv_usec = (msec % 1000) * 1000; | |
| 657 /* | |
| 658 * NOTE: Solaris 2.6 has a bug that makes select() hang here. Get | |
| 659 * a patch from Sun to fix this. Reported by Gunnar Pedersen. | |
| 660 */ | |
| 661 select(0, NULL, NULL, NULL, &tv); | |
| 662 } | |
| 663 # endif /* __EMX__ */ | |
| 664 # endif /* HAVE_SELECT */ | |
| 665 # endif /* HAVE_NANOSLEEP */ | |
| 666 #endif /* HAVE_USLEEP */ | |
| 14 | 667 #ifdef FEAT_MZSCHEME |
| 668 } | |
| 669 while (total > 0); | |
| 670 #endif | |
| 7 | 671 |
| 672 settmode(old_tmode); | |
| 1530 | 673 in_mch_delay = FALSE; |
| 7 | 674 } |
| 675 else | |
| 676 WaitForChar(msec); | |
| 677 } | |
| 678 | |
| 180 | 679 #if defined(HAVE_STACK_LIMIT) \ |
| 7 | 680 || (!defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGSTACK)) |
| 681 # define HAVE_CHECK_STACK_GROWTH | |
| 682 /* | |
| 683 * Support for checking for an almost-out-of-stack-space situation. | |
| 684 */ | |
| 685 | |
| 686 /* | |
| 687 * Return a pointer to an item on the stack. Used to find out if the stack | |
| 688 * grows up or down. | |
| 689 */ | |
| 690 static void check_stack_growth __ARGS((char *p)); | |
| 691 static int stack_grows_downwards; | |
| 692 | |
| 693 /* | |
| 694 * Find out if the stack grows upwards or downwards. | |
| 695 * "p" points to a variable on the stack of the caller. | |
| 696 */ | |
| 697 static void | |
| 698 check_stack_growth(p) | |
| 699 char *p; | |
| 700 { | |
| 701 int i; | |
| 702 | |
| 703 stack_grows_downwards = (p > (char *)&i); | |
| 704 } | |
| 705 #endif | |
| 706 | |
| 180 | 707 #if defined(HAVE_STACK_LIMIT) || defined(PROTO) |
| 7 | 708 static char *stack_limit = NULL; |
| 709 | |
| 710 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H) | |
| 711 # include <pthread.h> | |
| 712 # include <pthread_np.h> | |
| 713 #endif | |
| 714 | |
| 715 /* | |
| 716 * Find out until how var the stack can grow without getting into trouble. | |
| 717 * Called when starting up and when switching to the signal stack in | |
| 718 * deathtrap(). | |
| 719 */ | |
| 720 static void | |
| 721 get_stack_limit() | |
| 722 { | |
| 723 struct rlimit rlp; | |
| 724 int i; | |
| 725 long lim; | |
| 726 | |
| 727 /* Set the stack limit to 15/16 of the allowable size. Skip this when the | |
| 728 * limit doesn't fit in a long (rlim_cur might be "long long"). */ | |
| 729 if (getrlimit(RLIMIT_STACK, &rlp) == 0 | |
| 730 && rlp.rlim_cur < ((rlim_t)1 << (sizeof(long_u) * 8 - 1)) | |
| 731 # ifdef RLIM_INFINITY | |
| 732 && rlp.rlim_cur != RLIM_INFINITY | |
| 733 # endif | |
| 734 ) | |
| 735 { | |
| 736 lim = (long)rlp.rlim_cur; | |
| 737 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H) | |
| 738 { | |
| 739 pthread_attr_t attr; | |
| 740 size_t size; | |
| 741 | |
| 742 /* On FreeBSD the initial thread always has a fixed stack size, no | |
| 743 * matter what the limits are set to. Normally it's 1 Mbyte. */ | |
| 744 pthread_attr_init(&attr); | |
| 745 if (pthread_attr_get_np(pthread_self(), &attr) == 0) | |
| 746 { | |
| 747 pthread_attr_getstacksize(&attr, &size); | |
| 748 if (lim > (long)size) | |
| 749 lim = (long)size; | |
| 750 } | |
| 751 pthread_attr_destroy(&attr); | |
| 752 } | |
| 753 #endif | |
| 754 if (stack_grows_downwards) | |
| 755 { | |
| 756 stack_limit = (char *)((long)&i - (lim / 16L * 15L)); | |
| 757 if (stack_limit >= (char *)&i) | |
| 758 /* overflow, set to 1/16 of current stack position */ | |
| 759 stack_limit = (char *)((long)&i / 16L); | |
| 760 } | |
| 761 else | |
| 762 { | |
| 763 stack_limit = (char *)((long)&i + (lim / 16L * 15L)); | |
| 764 if (stack_limit <= (char *)&i) | |
| 765 stack_limit = NULL; /* overflow */ | |
| 766 } | |
| 767 } | |
| 768 } | |
| 769 | |
| 770 /* | |
| 771 * Return FAIL when running out of stack space. | |
| 772 * "p" must point to any variable local to the caller that's on the stack. | |
| 773 */ | |
| 774 int | |
| 775 mch_stackcheck(p) | |
| 776 char *p; | |
| 777 { | |
| 778 if (stack_limit != NULL) | |
| 779 { | |
| 780 if (stack_grows_downwards) | |
| 781 { | |
| 782 if (p < stack_limit) | |
| 783 return FAIL; | |
| 784 } | |
| 785 else if (p > stack_limit) | |
| 786 return FAIL; | |
| 787 } | |
| 788 return OK; | |
| 789 } | |
| 790 #endif | |
| 791 | |
| 792 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 793 /* | |
| 794 * Support for using the signal stack. | |
| 795 * This helps when we run out of stack space, which causes a SIGSEGV. The | |
| 796 * signal handler then must run on another stack, since the normal stack is | |
| 797 * completely full. | |
| 798 */ | |
| 799 | |
| 800 #ifndef SIGSTKSZ | |
| 801 # define SIGSTKSZ 8000 /* just a guess of how much stack is needed... */ | |
| 802 #endif | |
| 803 | |
| 804 # ifdef HAVE_SIGALTSTACK | |
| 805 static stack_t sigstk; /* for sigaltstack() */ | |
| 806 # else | |
| 807 static struct sigstack sigstk; /* for sigstack() */ | |
| 808 # endif | |
| 809 | |
| 810 static void init_signal_stack __ARGS((void)); | |
| 811 static char *signal_stack; | |
| 812 | |
| 813 static void | |
| 814 init_signal_stack() | |
| 815 { | |
| 816 if (signal_stack != NULL) | |
| 817 { | |
| 818 # ifdef HAVE_SIGALTSTACK | |
| 1375 | 819 # if defined(__APPLE__) && (!defined(MAC_OS_X_VERSION_MAX_ALLOWED) \ |
| 820 || MAC_OS_X_VERSION_MAX_ALLOWED <= 1040) | |
| 7 | 821 /* missing prototype. Adding it to osdef?.h.in doesn't work, because |
| 822 * "struct sigaltstack" needs to be declared. */ | |
| 823 extern int sigaltstack __ARGS((const struct sigaltstack *ss, struct sigaltstack *oss)); | |
| 824 # endif | |
| 825 | |
| 826 # ifdef HAVE_SS_BASE | |
| 827 sigstk.ss_base = signal_stack; | |
| 828 # else | |
| 829 sigstk.ss_sp = signal_stack; | |
| 830 # endif | |
| 831 sigstk.ss_size = SIGSTKSZ; | |
| 832 sigstk.ss_flags = 0; | |
| 833 (void)sigaltstack(&sigstk, NULL); | |
| 834 # else | |
| 835 sigstk.ss_sp = signal_stack; | |
| 836 if (stack_grows_downwards) | |
| 837 sigstk.ss_sp += SIGSTKSZ - 1; | |
| 838 sigstk.ss_onstack = 0; | |
| 839 (void)sigstack(&sigstk, NULL); | |
| 840 # endif | |
| 841 } | |
| 842 } | |
| 843 #endif | |
| 844 | |
| 845 /* | |
| 1832 | 846 * We need correct prototypes for a signal function, otherwise mean compilers |
| 7 | 847 * will barf when the second argument to signal() is ``wrong''. |
| 848 * Let me try it with a few tricky defines from my own osdef.h (jw). | |
| 849 */ | |
| 850 #if defined(SIGWINCH) | |
| 851 static RETSIGTYPE | |
| 852 sig_winch SIGDEFARG(sigarg) | |
| 853 { | |
| 854 /* this is not required on all systems, but it doesn't hurt anybody */ | |
| 855 signal(SIGWINCH, (RETSIGTYPE (*)())sig_winch); | |
| 856 do_resize = TRUE; | |
| 857 SIGRETURN; | |
| 858 } | |
| 859 #endif | |
| 860 | |
| 861 #if defined(SIGINT) | |
| 862 static RETSIGTYPE | |
| 863 catch_sigint SIGDEFARG(sigarg) | |
| 864 { | |
| 865 /* this is not required on all systems, but it doesn't hurt anybody */ | |
| 866 signal(SIGINT, (RETSIGTYPE (*)())catch_sigint); | |
| 867 got_int = TRUE; | |
| 868 SIGRETURN; | |
| 869 } | |
| 870 #endif | |
| 871 | |
| 872 #if defined(SIGPWR) | |
| 873 static RETSIGTYPE | |
| 874 catch_sigpwr SIGDEFARG(sigarg) | |
| 875 { | |
| 37 | 876 /* this is not required on all systems, but it doesn't hurt anybody */ |
| 877 signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr); | |
| 7 | 878 /* |
| 879 * I'm not sure we get the SIGPWR signal when the system is really going | |
| 880 * down or when the batteries are almost empty. Just preserve the swap | |
| 881 * files and don't exit, that can't do any harm. | |
| 882 */ | |
| 883 ml_sync_all(FALSE, FALSE); | |
| 884 SIGRETURN; | |
| 885 } | |
| 886 #endif | |
| 887 | |
| 888 #ifdef SET_SIG_ALARM | |
| 889 /* | |
| 890 * signal function for alarm(). | |
| 891 */ | |
| 892 static RETSIGTYPE | |
| 893 sig_alarm SIGDEFARG(sigarg) | |
| 894 { | |
| 895 /* doesn't do anything, just to break a system call */ | |
| 896 sig_alarm_called = TRUE; | |
| 897 SIGRETURN; | |
| 898 } | |
| 899 #endif | |
| 900 | |
| 188 | 901 #if (defined(HAVE_SETJMP_H) \ |
| 902 && ((defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) \ | |
| 903 || defined(FEAT_LIBCALL))) \ | |
| 904 || defined(PROTO) | |
| 7 | 905 /* |
| 906 * A simplistic version of setjmp() that only allows one level of using. | |
| 907 * Don't call twice before calling mch_endjmp()!. | |
| 908 * Usage: | |
| 909 * mch_startjmp(); | |
| 910 * if (SETJMP(lc_jump_env) != 0) | |
| 911 * { | |
| 912 * mch_didjmp(); | |
| 913 * EMSG("crash!"); | |
| 914 * } | |
| 915 * else | |
| 916 * { | |
| 917 * do_the_work; | |
| 918 * mch_endjmp(); | |
| 919 * } | |
| 920 * Note: Can't move SETJMP() here, because a function calling setjmp() must | |
| 921 * not return before the saved environment is used. | |
| 922 * Returns OK for normal return, FAIL when the protected code caused a | |
| 923 * problem and LONGJMP() was used. | |
| 924 */ | |
| 925 void | |
| 926 mch_startjmp() | |
| 927 { | |
| 928 #ifdef SIGHASARG | |
| 929 lc_signal = 0; | |
| 930 #endif | |
| 931 lc_active = TRUE; | |
| 932 } | |
| 933 | |
| 934 void | |
| 935 mch_endjmp() | |
| 936 { | |
| 937 lc_active = FALSE; | |
| 938 } | |
| 939 | |
| 940 void | |
| 941 mch_didjmp() | |
| 942 { | |
| 943 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 944 /* On FreeBSD the signal stack has to be reset after using siglongjmp(), | |
| 945 * otherwise catching the signal only works once. */ | |
| 946 init_signal_stack(); | |
| 947 # endif | |
| 948 } | |
| 949 #endif | |
| 950 | |
| 951 /* | |
| 952 * This function handles deadly signals. | |
| 953 * It tries to preserve any swap file and exit properly. | |
| 954 * (partly from Elvis). | |
| 955 */ | |
| 956 static RETSIGTYPE | |
| 957 deathtrap SIGDEFARG(sigarg) | |
| 958 { | |
| 959 static int entered = 0; /* count the number of times we got here. | |
| 960 Note: when memory has been corrupted | |
| 961 this may get an arbitrary value! */ | |
| 962 #ifdef SIGHASARG | |
| 963 int i; | |
| 964 #endif | |
| 965 | |
| 966 #if defined(HAVE_SETJMP_H) | |
| 967 /* | |
| 968 * Catch a crash in protected code. | |
| 969 * Restores the environment saved in lc_jump_env, which looks like | |
| 970 * SETJMP() returns 1. | |
| 971 */ | |
| 972 if (lc_active) | |
| 973 { | |
| 974 # if defined(SIGHASARG) | |
| 975 lc_signal = sigarg; | |
| 976 # endif | |
| 977 lc_active = FALSE; /* don't jump again */ | |
| 978 LONGJMP(lc_jump_env, 1); | |
| 979 /* NOTREACHED */ | |
| 980 } | |
| 981 #endif | |
| 982 | |
| 36 | 983 #ifdef SIGHASARG |
| 1530 | 984 # ifdef SIGQUIT |
| 985 /* While in mch_delay() we go to cooked mode to allow a CTRL-C to | |
| 986 * interrupt us. But in cooked mode we may also get SIGQUIT, e.g., when | |
| 987 * pressing CTRL-\, but we don't want Vim to exit then. */ | |
| 988 if (in_mch_delay && sigarg == SIGQUIT) | |
| 989 SIGRETURN; | |
| 990 # endif | |
| 991 | |
| 37 | 992 /* When SIGHUP, SIGQUIT, etc. are blocked: postpone the effect and return |
| 993 * here. This avoids that a non-reentrant function is interrupted, e.g., | |
| 994 * free(). Calling free() again may then cause a crash. */ | |
| 995 if (entered == 0 | |
| 996 && (0 | |
| 997 # ifdef SIGHUP | |
| 998 || sigarg == SIGHUP | |
| 999 # endif | |
| 1000 # ifdef SIGQUIT | |
| 1001 || sigarg == SIGQUIT | |
| 1002 # endif | |
| 1003 # ifdef SIGTERM | |
| 1004 || sigarg == SIGTERM | |
| 1005 # endif | |
| 1006 # ifdef SIGPWR | |
| 1007 || sigarg == SIGPWR | |
| 1008 # endif | |
| 1009 # ifdef SIGUSR1 | |
| 1010 || sigarg == SIGUSR1 | |
| 1011 # endif | |
| 1012 # ifdef SIGUSR2 | |
| 1013 || sigarg == SIGUSR2 | |
| 1014 # endif | |
| 1015 ) | |
| 413 | 1016 && !vim_handle_signal(sigarg)) |
| 36 | 1017 SIGRETURN; |
| 1018 #endif | |
| 1019 | |
| 7 | 1020 /* Remember how often we have been called. */ |
| 1021 ++entered; | |
| 1022 | |
| 1023 #ifdef FEAT_EVAL | |
| 1024 /* Set the v:dying variable. */ | |
| 1025 set_vim_var_nr(VV_DYING, (long)entered); | |
| 1026 #endif | |
| 1027 | |
| 180 | 1028 #ifdef HAVE_STACK_LIMIT |
| 7 | 1029 /* Since we are now using the signal stack, need to reset the stack |
| 1030 * limit. Otherwise using a regexp will fail. */ | |
| 1031 get_stack_limit(); | |
| 1032 #endif | |
| 1033 | |
| 758 | 1034 #if 0 |
| 1035 /* This is for opening gdb the moment Vim crashes. | |
| 1036 * You need to manually adjust the file name and Vim executable name. | |
| 1037 * Suggested by SungHyun Nam. */ | |
| 1038 { | |
| 1039 # define VI_GDB_FILE "/tmp/vimgdb" | |
| 1040 # define VIM_NAME "/usr/bin/vim" | |
| 1041 FILE *fp = fopen(VI_GDB_FILE, "w"); | |
| 1042 if (fp) | |
| 1043 { | |
| 1044 fprintf(fp, | |
| 1045 "file %s\n" | |
| 1046 "attach %d\n" | |
| 1047 "set height 1000\n" | |
| 1048 "bt full\n" | |
| 1049 , VIM_NAME, getpid()); | |
| 1050 fclose(fp); | |
| 1051 system("xterm -e gdb -x "VI_GDB_FILE); | |
| 1052 unlink(VI_GDB_FILE); | |
| 1053 } | |
| 1054 } | |
| 1055 #endif | |
| 1056 | |
| 7 | 1057 #ifdef SIGHASARG |
| 1058 /* try to find the name of this signal */ | |
| 1059 for (i = 0; signal_info[i].sig != -1; i++) | |
| 1060 if (sigarg == signal_info[i].sig) | |
| 1061 break; | |
| 1062 deadly_signal = sigarg; | |
| 1063 #endif | |
| 1064 | |
| 1065 full_screen = FALSE; /* don't write message to the GUI, it might be | |
| 1066 * part of the problem... */ | |
| 1067 /* | |
| 1068 * If something goes wrong after entering here, we may get here again. | |
| 1069 * When this happens, give a message and try to exit nicely (resetting the | |
| 1070 * terminal mode, etc.) | |
| 1071 * When this happens twice, just exit, don't even try to give a message, | |
| 1072 * stack may be corrupt or something weird. | |
| 1073 * When this still happens again (or memory was corrupted in such a way | |
| 1074 * that "entered" was clobbered) use _exit(), don't try freeing resources. | |
| 1075 */ | |
| 1076 if (entered >= 3) | |
| 1077 { | |
| 1078 reset_signals(); /* don't catch any signals anymore */ | |
| 1079 may_core_dump(); | |
| 1080 if (entered >= 4) | |
| 1081 _exit(8); | |
| 1082 exit(7); | |
| 1083 } | |
| 1084 if (entered == 2) | |
| 1085 { | |
| 1086 OUT_STR(_("Vim: Double signal, exiting\n")); | |
| 1087 out_flush(); | |
| 1088 getout(1); | |
| 1089 } | |
| 1090 | |
| 1091 #ifdef SIGHASARG | |
| 1092 sprintf((char *)IObuff, _("Vim: Caught deadly signal %s\n"), | |
| 1093 signal_info[i].name); | |
| 1094 #else | |
| 1095 sprintf((char *)IObuff, _("Vim: Caught deadly signal\n")); | |
| 1096 #endif | |
| 1097 preserve_exit(); /* preserve files and exit */ | |
| 1098 | |
| 33 | 1099 #ifdef NBDEBUG |
| 1100 reset_signals(); | |
| 1101 may_core_dump(); | |
| 1102 abort(); | |
| 1103 #endif | |
| 1104 | |
| 7 | 1105 SIGRETURN; |
| 1106 } | |
| 1107 | |
| 1832 | 1108 #if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1109 /* |
| 1110 * On Solaris with multi-threading, suspending might not work immediately. | |
| 1111 * Catch the SIGCONT signal, which will be used as an indication whether the | |
| 1112 * suspending has been done or not. | |
| 1832 | 1113 * |
| 1114 * On Linux, signal is not always handled immediately either. | |
| 1115 * See https://bugs.launchpad.net/bugs/291373 | |
| 1116 * | |
| 2701 | 1117 * volatile because it is used in signal handler sigcont_handler(). |
| 7 | 1118 */ |
| 1832 | 1119 static volatile int sigcont_received; |
| 7 | 1120 static RETSIGTYPE sigcont_handler __ARGS(SIGPROTOARG); |
| 1121 | |
| 1122 /* | |
| 1123 * signal handler for SIGCONT | |
| 1124 */ | |
| 1125 static RETSIGTYPE | |
| 1126 sigcont_handler SIGDEFARG(sigarg) | |
| 1127 { | |
| 1128 sigcont_received = TRUE; | |
| 1129 SIGRETURN; | |
| 1130 } | |
| 1131 #endif | |
| 1132 | |
| 2586 | 1133 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 1134 static void loose_clipboard __ARGS((void)); | |
| 1135 | |
| 1136 /* | |
| 1137 * Called when Vim is going to sleep or execute a shell command. | |
| 1138 * We can't respond to requests for the X selections. Lose them, otherwise | |
| 1139 * other applications will hang. But first copy the text to cut buffer 0. | |
| 1140 */ | |
| 1141 static void | |
| 1142 loose_clipboard() | |
| 1143 { | |
| 1144 if (clip_star.owned || clip_plus.owned) | |
| 1145 { | |
| 1146 x11_export_final_selection(); | |
| 1147 if (clip_star.owned) | |
| 1148 clip_lose_selection(&clip_star); | |
| 1149 if (clip_plus.owned) | |
| 1150 clip_lose_selection(&clip_plus); | |
| 1151 if (x11_display != NULL) | |
| 1152 XFlush(x11_display); | |
| 1153 } | |
| 1154 } | |
| 1155 #endif | |
| 1156 | |
| 7 | 1157 /* |
| 1158 * If the machine has job control, use it to suspend the program, | |
| 1159 * otherwise fake it by starting a new shell. | |
| 1160 */ | |
| 1161 void | |
| 1162 mch_suspend() | |
| 1163 { | |
| 1164 /* BeOS does have SIGTSTP, but it doesn't work. */ | |
| 1165 #if defined(SIGTSTP) && !defined(__BEOS__) | |
| 1166 out_flush(); /* needed to make cursor visible on some systems */ | |
| 1167 settmode(TMODE_COOK); | |
| 1168 out_flush(); /* needed to disable mouse on some systems */ | |
| 1169 | |
| 1170 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) | |
| 2586 | 1171 loose_clipboard(); |
| 7 | 1172 # endif |
| 1173 | |
| 1832 | 1174 # if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1175 sigcont_received = FALSE; |
| 1176 # endif | |
| 1177 kill(0, SIGTSTP); /* send ourselves a STOP signal */ | |
| 1832 | 1178 # if defined(_REENTRANT) && defined(SIGCONT) |
| 1179 /* | |
| 1180 * Wait for the SIGCONT signal to be handled. It generally happens | |
| 1181 * immediately, but somehow not all the time. Do not call pause() | |
| 1182 * because there would be race condition which would hang Vim if | |
| 1183 * signal happened in between the test of sigcont_received and the | |
| 1184 * call to pause(). If signal is not yet received, call sleep(0) | |
| 1185 * to just yield CPU. Signal should then be received. If somehow | |
| 1186 * it's still not received, sleep 1, 2, 3 ms. Don't bother waiting | |
| 1187 * further if signal is not received after 1+2+3+4 ms (not expected | |
| 1188 * to happen). | |
| 1189 */ | |
| 1190 { | |
| 1932 | 1191 long wait_time; |
| 1192 for (wait_time = 0; !sigcont_received && wait_time <= 3L; wait_time++) | |
| 1832 | 1193 /* Loop is not entered most of the time */ |
| 1932 | 1194 mch_delay(wait_time, FALSE); |
| 1832 | 1195 } |
| 7 | 1196 # endif |
| 1197 | |
| 1198 # ifdef FEAT_TITLE | |
| 1199 /* | |
| 1200 * Set oldtitle to NULL, so the current title is obtained again. | |
| 1201 */ | |
| 1202 vim_free(oldtitle); | |
| 1203 oldtitle = NULL; | |
| 1204 # endif | |
| 1205 settmode(TMODE_RAW); | |
| 1206 need_check_timestamps = TRUE; | |
| 1207 did_check_timestamps = FALSE; | |
| 1208 #else | |
| 1209 suspend_shell(); | |
| 1210 #endif | |
| 1211 } | |
| 1212 | |
| 1213 void | |
| 1214 mch_init() | |
| 1215 { | |
| 1216 Columns = 80; | |
| 1217 Rows = 24; | |
| 1218 | |
| 1219 out_flush(); | |
| 1220 set_signals(); | |
| 167 | 1221 |
| 765 | 1222 #ifdef MACOS_CONVERT |
| 167 | 1223 mac_conv_init(); |
| 1224 #endif | |
| 7 | 1225 } |
| 1226 | |
| 1227 static void | |
| 1228 set_signals() | |
| 1229 { | |
| 1230 #if defined(SIGWINCH) | |
| 1231 /* | |
| 1232 * WINDOW CHANGE signal is handled with sig_winch(). | |
| 1233 */ | |
| 1234 signal(SIGWINCH, (RETSIGTYPE (*)())sig_winch); | |
| 1235 #endif | |
| 1236 | |
| 1237 /* | |
| 1238 * We want the STOP signal to work, to make mch_suspend() work. | |
| 1239 * For "rvim" the STOP signal is ignored. | |
| 1240 */ | |
| 1241 #ifdef SIGTSTP | |
| 1242 signal(SIGTSTP, restricted ? SIG_IGN : SIG_DFL); | |
| 1243 #endif | |
| 1832 | 1244 #if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1245 signal(SIGCONT, sigcont_handler); |
| 1246 #endif | |
| 1247 | |
| 1248 /* | |
| 1249 * We want to ignore breaking of PIPEs. | |
| 1250 */ | |
| 1251 #ifdef SIGPIPE | |
| 1252 signal(SIGPIPE, SIG_IGN); | |
| 1253 #endif | |
| 1254 | |
| 1255 #ifdef SIGINT | |
| 167 | 1256 catch_int_signal(); |
| 7 | 1257 #endif |
| 1258 | |
| 1259 /* | |
| 1260 * Ignore alarm signals (Perl's alarm() generates it). | |
| 1261 */ | |
| 1262 #ifdef SIGALRM | |
| 1263 signal(SIGALRM, SIG_IGN); | |
| 1264 #endif | |
| 1265 | |
| 1266 /* | |
| 1267 * Catch SIGPWR (power failure?) to preserve the swap files, so that no | |
| 1268 * work will be lost. | |
| 1269 */ | |
| 1270 #ifdef SIGPWR | |
| 1271 signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr); | |
| 1272 #endif | |
| 1273 | |
| 1274 /* | |
| 1275 * Arrange for other signals to gracefully shutdown Vim. | |
| 1276 */ | |
| 1277 catch_signals(deathtrap, SIG_ERR); | |
| 1278 | |
| 1279 #if defined(FEAT_GUI) && defined(SIGHUP) | |
| 1280 /* | |
| 1281 * When the GUI is running, ignore the hangup signal. | |
| 1282 */ | |
| 1283 if (gui.in_use) | |
| 1284 signal(SIGHUP, SIG_IGN); | |
| 1285 #endif | |
| 1286 } | |
| 1287 | |
| 167 | 1288 #if defined(SIGINT) || defined(PROTO) |
| 1289 /* | |
| 1290 * Catch CTRL-C (only works while in Cooked mode). | |
| 1291 */ | |
| 1292 static void | |
| 1293 catch_int_signal() | |
| 1294 { | |
| 1295 signal(SIGINT, (RETSIGTYPE (*)())catch_sigint); | |
| 1296 } | |
| 1297 #endif | |
| 1298 | |
| 7 | 1299 void |
| 1300 reset_signals() | |
| 1301 { | |
| 1302 catch_signals(SIG_DFL, SIG_DFL); | |
| 1832 | 1303 #if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1304 /* SIGCONT isn't in the list, because its default action is ignore */ |
| 1305 signal(SIGCONT, SIG_DFL); | |
| 1306 #endif | |
| 1307 } | |
| 1308 | |
| 1309 static void | |
| 1310 catch_signals(func_deadly, func_other) | |
| 1311 RETSIGTYPE (*func_deadly)(); | |
| 1312 RETSIGTYPE (*func_other)(); | |
| 1313 { | |
| 1314 int i; | |
| 1315 | |
| 1316 for (i = 0; signal_info[i].sig != -1; i++) | |
| 1317 if (signal_info[i].deadly) | |
| 1318 { | |
| 1319 #if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGACTION) | |
| 1320 struct sigaction sa; | |
| 1321 | |
| 1322 /* Setup to use the alternate stack for the signal function. */ | |
| 1323 sa.sa_handler = func_deadly; | |
| 1324 sigemptyset(&sa.sa_mask); | |
| 1325 # if defined(__linux__) && defined(_REENTRANT) | |
| 1326 /* On Linux, with glibc compiled for kernel 2.2, there is a bug in | |
| 1327 * thread handling in combination with using the alternate stack: | |
| 1328 * pthread library functions try to use the stack pointer to | |
| 1329 * identify the current thread, causing a SEGV signal, which | |
| 1330 * recursively calls deathtrap() and hangs. */ | |
| 1331 sa.sa_flags = 0; | |
| 1332 # else | |
| 1333 sa.sa_flags = SA_ONSTACK; | |
| 1334 # endif | |
| 1335 sigaction(signal_info[i].sig, &sa, NULL); | |
| 1336 #else | |
| 1337 # if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGVEC) | |
| 1338 struct sigvec sv; | |
| 1339 | |
| 1340 /* Setup to use the alternate stack for the signal function. */ | |
| 1341 sv.sv_handler = func_deadly; | |
| 1342 sv.sv_mask = 0; | |
| 1343 sv.sv_flags = SV_ONSTACK; | |
| 1344 sigvec(signal_info[i].sig, &sv, NULL); | |
| 1345 # else | |
| 1346 signal(signal_info[i].sig, func_deadly); | |
| 1347 # endif | |
| 1348 #endif | |
| 1349 } | |
| 1350 else if (func_other != SIG_ERR) | |
| 1351 signal(signal_info[i].sig, func_other); | |
| 1352 } | |
| 1353 | |
| 1354 /* | |
| 37 | 1355 * Handling of SIGHUP, SIGQUIT and SIGTERM: |
| 1146 | 1356 * "when" == a signal: when busy, postpone and return FALSE, otherwise |
| 1357 * return TRUE | |
| 1358 * "when" == SIGNAL_BLOCK: Going to be busy, block signals | |
| 1359 * "when" == SIGNAL_UNBLOCK: Going to wait, unblock signals, use postponed | |
|
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1360 * signal |
| 36 | 1361 * Returns TRUE when Vim should exit. |
| 1362 */ | |
| 1363 int | |
| 413 | 1364 vim_handle_signal(sig) |
| 37 | 1365 int sig; |
| 36 | 1366 { |
| 37 | 1367 static int got_signal = 0; |
| 1368 static int blocked = TRUE; | |
| 1369 | |
| 1370 switch (sig) | |
| 36 | 1371 { |
| 37 | 1372 case SIGNAL_BLOCK: blocked = TRUE; |
| 1373 break; | |
| 1374 | |
| 1375 case SIGNAL_UNBLOCK: blocked = FALSE; | |
| 1376 if (got_signal != 0) | |
| 1377 { | |
| 1378 kill(getpid(), got_signal); | |
| 1379 got_signal = 0; | |
| 1380 } | |
| 1381 break; | |
| 1382 | |
| 1383 default: if (!blocked) | |
| 36 | 1384 return TRUE; /* exit! */ |
| 37 | 1385 got_signal = sig; |
| 1386 #ifdef SIGPWR | |
| 1387 if (sig != SIGPWR) | |
| 1388 #endif | |
| 1389 got_int = TRUE; /* break any loops */ | |
| 36 | 1390 break; |
| 1391 } | |
| 1392 return FALSE; | |
| 1393 } | |
| 1394 | |
| 1395 /* | |
| 7 | 1396 * Check_win checks whether we have an interactive stdout. |
| 1397 */ | |
| 1398 int | |
| 1399 mch_check_win(argc, argv) | |
| 1877 | 1400 int argc UNUSED; |
| 1401 char **argv UNUSED; | |
| 7 | 1402 { |
| 1403 #ifdef OS2 | |
| 1404 /* | |
| 1405 * Store argv[0], may be used for $VIM. Only use it if it is an absolute | |
| 1406 * name, mostly it's just "vim" and found in the path, which is unusable. | |
| 1407 */ | |
| 1408 if (mch_isFullName(argv[0])) | |
| 1409 exe_name = vim_strsave((char_u *)argv[0]); | |
| 1410 #endif | |
| 1411 if (isatty(1)) | |
| 1412 return OK; | |
| 1413 return FAIL; | |
| 1414 } | |
| 1415 | |
| 1416 /* | |
| 1417 * Return TRUE if the input comes from a terminal, FALSE otherwise. | |
| 1418 */ | |
| 1419 int | |
| 1420 mch_input_isatty() | |
| 1421 { | |
| 1422 if (isatty(read_cmd_fd)) | |
| 1423 return TRUE; | |
| 1424 return FALSE; | |
| 1425 } | |
| 1426 | |
| 1427 #ifdef FEAT_X11 | |
| 1428 | |
| 1429 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) \ | |
| 1430 && (defined(FEAT_XCLIPBOARD) || defined(FEAT_TITLE)) | |
| 1431 | |
| 1432 static void xopen_message __ARGS((struct timeval *tvp)); | |
| 1433 | |
| 1434 /* | |
| 1435 * Give a message about the elapsed time for opening the X window. | |
| 1436 */ | |
| 1437 static void | |
| 1438 xopen_message(tvp) | |
| 1439 struct timeval *tvp; /* must contain start time */ | |
| 1440 { | |
| 1441 struct timeval end_tv; | |
| 1442 | |
| 1443 /* Compute elapsed time. */ | |
| 1444 gettimeofday(&end_tv, NULL); | |
| 1445 smsg((char_u *)_("Opening the X display took %ld msec"), | |
| 1446 (end_tv.tv_sec - tvp->tv_sec) * 1000L | |
| 273 | 1447 + (end_tv.tv_usec - tvp->tv_usec) / 1000L); |
| 7 | 1448 } |
| 1449 # endif | |
| 1450 #endif | |
| 1451 | |
| 1452 #if defined(FEAT_X11) && (defined(FEAT_TITLE) || defined(FEAT_XCLIPBOARD)) | |
| 1453 /* | |
| 1454 * A few functions shared by X11 title and clipboard code. | |
| 1455 */ | |
| 1456 static int x_error_handler __ARGS((Display *dpy, XErrorEvent *error_event)); | |
| 1457 static int x_error_check __ARGS((Display *dpy, XErrorEvent *error_event)); | |
| 1458 static int x_connect_to_server __ARGS((void)); | |
| 1459 static int test_x11_window __ARGS((Display *dpy)); | |
| 1460 | |
| 1461 static int got_x_error = FALSE; | |
| 1462 | |
| 1463 /* | |
| 1464 * X Error handler, otherwise X just exits! (very rude) -- webb | |
| 1465 */ | |
| 1466 static int | |
| 1467 x_error_handler(dpy, error_event) | |
| 1468 Display *dpy; | |
| 1469 XErrorEvent *error_event; | |
| 1470 { | |
| 42 | 1471 XGetErrorText(dpy, error_event->error_code, (char *)IObuff, IOSIZE); |
| 7 | 1472 STRCAT(IObuff, _("\nVim: Got X error\n")); |
| 1473 | |
| 1474 /* We cannot print a message and continue, because no X calls are allowed | |
| 1475 * here (causes my system to hang). Silently continuing might be an | |
| 1476 * alternative... */ | |
| 1477 preserve_exit(); /* preserve files and exit */ | |
| 1478 | |
| 1479 return 0; /* NOTREACHED */ | |
| 1480 } | |
| 1481 | |
| 1482 /* | |
| 1483 * Another X Error handler, just used to check for errors. | |
| 1484 */ | |
| 1485 static int | |
| 1486 x_error_check(dpy, error_event) | |
| 1883 | 1487 Display *dpy UNUSED; |
| 1488 XErrorEvent *error_event UNUSED; | |
| 7 | 1489 { |
| 1490 got_x_error = TRUE; | |
| 1491 return 0; | |
| 1492 } | |
| 1493 | |
| 1494 #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) | |
| 1495 # if defined(HAVE_SETJMP_H) | |
| 1496 /* | |
| 1497 * An X IO Error handler, used to catch error while opening the display. | |
| 1498 */ | |
| 1499 static int x_IOerror_check __ARGS((Display *dpy)); | |
| 1500 | |
| 1501 static int | |
| 1502 x_IOerror_check(dpy) | |
| 1883 | 1503 Display *dpy UNUSED; |
| 7 | 1504 { |
| 1505 /* This function should not return, it causes exit(). Longjump instead. */ | |
| 1506 LONGJMP(lc_jump_env, 1); | |
|
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1507 # ifdef VMS |
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1508 return 0; /* avoid the compiler complains about missing return value */ |
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1509 # endif |
| 7 | 1510 } |
| 1511 # endif | |
| 1512 | |
| 1513 /* | |
| 1514 * An X IO Error handler, used to catch terminal errors. | |
| 1515 */ | |
| 1516 static int x_IOerror_handler __ARGS((Display *dpy)); | |
| 1517 | |
| 1518 static int | |
| 1519 x_IOerror_handler(dpy) | |
| 1883 | 1520 Display *dpy UNUSED; |
| 7 | 1521 { |
| 1522 xterm_dpy = NULL; | |
| 1523 x11_window = 0; | |
| 1524 x11_display = NULL; | |
| 1525 xterm_Shell = (Widget)0; | |
| 1526 | |
| 1527 /* This function should not return, it causes exit(). Longjump instead. */ | |
| 1528 LONGJMP(x_jump_env, 1); | |
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1529 # ifdef VMS |
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1530 return 0; /* avoid the compiler complains about missing return value */ |
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1531 # endif |
| 7 | 1532 } |
| 1533 #endif | |
| 1534 | |
| 1535 /* | |
| 1536 * Return TRUE when connection to the X server is desired. | |
| 1537 */ | |
| 1538 static int | |
| 1539 x_connect_to_server() | |
| 1540 { | |
| 1541 regmatch_T regmatch; | |
| 1542 | |
| 1543 #if defined(FEAT_CLIENTSERVER) | |
| 1544 if (x_force_connect) | |
| 1545 return TRUE; | |
| 1546 #endif | |
| 1547 if (x_no_connect) | |
| 1548 return FALSE; | |
| 1549 | |
| 1550 /* Check for a match with "exclude:" from 'clipboard'. */ | |
| 1551 if (clip_exclude_prog != NULL) | |
| 1552 { | |
| 1553 regmatch.rm_ic = FALSE; /* Don't ignore case */ | |
| 1554 regmatch.regprog = clip_exclude_prog; | |
| 1555 if (vim_regexec(®match, T_NAME, (colnr_T)0)) | |
| 1556 return FALSE; | |
| 1557 } | |
| 1558 return TRUE; | |
| 1559 } | |
| 1560 | |
| 1561 /* | |
| 1562 * Test if "dpy" and x11_window are valid by getting the window title. | |
| 1563 * I don't actually want it yet, so there may be a simpler call to use, but | |
| 1564 * this will cause the error handler x_error_check() to be called if anything | |
| 1565 * is wrong, such as the window pointer being invalid (as can happen when the | |
| 1566 * user changes his DISPLAY, but not his WINDOWID) -- webb | |
| 1567 */ | |
| 1568 static int | |
| 1569 test_x11_window(dpy) | |
| 1570 Display *dpy; | |
| 1571 { | |
| 1572 int (*old_handler)(); | |
| 1573 XTextProperty text_prop; | |
| 1574 | |
| 1575 old_handler = XSetErrorHandler(x_error_check); | |
| 1576 got_x_error = FALSE; | |
| 1577 if (XGetWMName(dpy, x11_window, &text_prop)) | |
| 1578 XFree((void *)text_prop.value); | |
| 1579 XSync(dpy, False); | |
| 1580 (void)XSetErrorHandler(old_handler); | |
| 1581 | |
| 1582 if (p_verbose > 0 && got_x_error) | |
| 292 | 1583 verb_msg((char_u *)_("Testing the X display failed")); |
| 7 | 1584 |
| 1585 return (got_x_error ? FAIL : OK); | |
| 1586 } | |
| 1587 #endif | |
| 1588 | |
| 1589 #ifdef FEAT_TITLE | |
| 1590 | |
| 1591 #ifdef FEAT_X11 | |
| 1592 | |
| 1593 static int get_x11_thing __ARGS((int get_title, int test_only)); | |
| 1594 | |
| 1595 /* | |
| 1596 * try to get x11 window and display | |
| 1597 * | |
| 1598 * return FAIL for failure, OK otherwise | |
| 1599 */ | |
| 1600 static int | |
| 1601 get_x11_windis() | |
| 1602 { | |
| 1603 char *winid; | |
| 1604 static int result = -1; | |
| 1605 #define XD_NONE 0 /* x11_display not set here */ | |
| 1606 #define XD_HERE 1 /* x11_display opened here */ | |
| 1607 #define XD_GUI 2 /* x11_display used from gui.dpy */ | |
| 1608 #define XD_XTERM 3 /* x11_display used from xterm_dpy */ | |
| 1609 static int x11_display_from = XD_NONE; | |
| 1610 static int did_set_error_handler = FALSE; | |
| 1611 | |
| 1612 if (!did_set_error_handler) | |
| 1613 { | |
| 1614 /* X just exits if it finds an error otherwise! */ | |
| 1615 (void)XSetErrorHandler(x_error_handler); | |
| 1616 did_set_error_handler = TRUE; | |
| 1617 } | |
| 1618 | |
| 574 | 1619 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) |
| 7 | 1620 if (gui.in_use) |
| 1621 { | |
| 1622 /* | |
| 1623 * If the X11 display was opened here before, for the window where Vim | |
| 1624 * was started, close that one now to avoid a memory leak. | |
| 1625 */ | |
| 1626 if (x11_display_from == XD_HERE && x11_display != NULL) | |
| 1627 { | |
| 1628 XCloseDisplay(x11_display); | |
| 1629 x11_display_from = XD_NONE; | |
| 1630 } | |
| 1631 if (gui_get_x11_windis(&x11_window, &x11_display) == OK) | |
| 1632 { | |
| 1633 x11_display_from = XD_GUI; | |
| 1634 return OK; | |
| 1635 } | |
| 1636 x11_display = NULL; | |
| 1637 return FAIL; | |
| 1638 } | |
| 1639 else if (x11_display_from == XD_GUI) | |
| 1640 { | |
| 1641 /* GUI must have stopped somehow, clear x11_display */ | |
| 1642 x11_window = 0; | |
| 1643 x11_display = NULL; | |
| 1644 x11_display_from = XD_NONE; | |
| 1645 } | |
| 1646 #endif | |
| 1647 | |
| 1648 /* When started with the "-X" argument, don't try connecting. */ | |
| 1649 if (!x_connect_to_server()) | |
| 1650 return FAIL; | |
| 1651 | |
| 1652 /* | |
| 1653 * If WINDOWID not set, should try another method to find out | |
| 1654 * what the current window number is. The only code I know for | |
| 1655 * this is very complicated. | |
| 1656 * We assume that zero is invalid for WINDOWID. | |
| 1657 */ | |
| 1658 if (x11_window == 0 && (winid = getenv("WINDOWID")) != NULL) | |
| 1659 x11_window = (Window)atol(winid); | |
| 1660 | |
| 1661 #ifdef FEAT_XCLIPBOARD | |
| 1662 if (xterm_dpy != NULL && x11_window != 0) | |
| 1663 { | |
| 1450 | 1664 /* We may have checked it already, but Gnome terminal can move us to |
| 1665 * another window, so we need to check every time. */ | |
| 1666 if (x11_display_from != XD_XTERM) | |
| 1667 { | |
| 1668 /* | |
| 1669 * If the X11 display was opened here before, for the window where | |
| 1670 * Vim was started, close that one now to avoid a memory leak. | |
| 1671 */ | |
| 1672 if (x11_display_from == XD_HERE && x11_display != NULL) | |
| 1673 XCloseDisplay(x11_display); | |
| 1674 x11_display = xterm_dpy; | |
| 1675 x11_display_from = XD_XTERM; | |
| 1676 } | |
| 7 | 1677 if (test_x11_window(x11_display) == FAIL) |
| 1678 { | |
| 1679 /* probably bad $WINDOWID */ | |
| 1680 x11_window = 0; | |
| 1681 x11_display = NULL; | |
| 1682 x11_display_from = XD_NONE; | |
| 1683 return FAIL; | |
| 1684 } | |
| 1685 return OK; | |
| 1686 } | |
| 1687 #endif | |
| 1688 | |
| 1689 if (x11_window == 0 || x11_display == NULL) | |
| 1690 result = -1; | |
| 1691 | |
| 1692 if (result != -1) /* Have already been here and set this */ | |
| 1693 return result; /* Don't do all these X calls again */ | |
| 1694 | |
| 1695 if (x11_window != 0 && x11_display == NULL) | |
| 1696 { | |
| 1697 #ifdef SET_SIG_ALARM | |
| 1698 RETSIGTYPE (*sig_save)(); | |
| 1699 #endif | |
| 1700 #if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 1701 struct timeval start_tv; | |
| 1702 | |
| 1703 if (p_verbose > 0) | |
| 1704 gettimeofday(&start_tv, NULL); | |
| 1705 #endif | |
| 1706 | |
| 1707 #ifdef SET_SIG_ALARM | |
| 1708 /* | |
| 1709 * Opening the Display may hang if the DISPLAY setting is wrong, or | |
| 1710 * the network connection is bad. Set an alarm timer to get out. | |
| 1711 */ | |
| 1712 sig_alarm_called = FALSE; | |
| 1713 sig_save = (RETSIGTYPE (*)())signal(SIGALRM, | |
| 1714 (RETSIGTYPE (*)())sig_alarm); | |
| 1715 alarm(2); | |
| 1716 #endif | |
| 1717 x11_display = XOpenDisplay(NULL); | |
| 1718 | |
| 1719 #ifdef SET_SIG_ALARM | |
| 1720 alarm(0); | |
| 1721 signal(SIGALRM, (RETSIGTYPE (*)())sig_save); | |
| 1722 if (p_verbose > 0 && sig_alarm_called) | |
| 292 | 1723 verb_msg((char_u *)_("Opening the X display timed out")); |
| 7 | 1724 #endif |
| 1725 if (x11_display != NULL) | |
| 1726 { | |
| 1727 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 1728 if (p_verbose > 0) | |
| 292 | 1729 { |
| 1730 verbose_enter(); | |
| 7 | 1731 xopen_message(&start_tv); |
| 292 | 1732 verbose_leave(); |
| 1733 } | |
| 7 | 1734 # endif |
| 1735 if (test_x11_window(x11_display) == FAIL) | |
| 1736 { | |
| 1737 /* Maybe window id is bad */ | |
| 1738 x11_window = 0; | |
| 1739 XCloseDisplay(x11_display); | |
| 1740 x11_display = NULL; | |
| 1741 } | |
| 1742 else | |
| 1743 x11_display_from = XD_HERE; | |
| 1744 } | |
| 1745 } | |
| 1746 if (x11_window == 0 || x11_display == NULL) | |
| 1747 return (result = FAIL); | |
| 2609 | 1748 |
| 1749 # ifdef FEAT_EVAL | |
| 1750 set_vim_var_nr(VV_WINDOWID, (long)x11_window); | |
| 1751 # endif | |
| 1752 | |
| 7 | 1753 return (result = OK); |
| 1754 } | |
| 1755 | |
| 1756 /* | |
| 1757 * Determine original x11 Window Title | |
| 1758 */ | |
| 1759 static int | |
| 1760 get_x11_title(test_only) | |
| 1761 int test_only; | |
| 1762 { | |
| 32 | 1763 return get_x11_thing(TRUE, test_only); |
| 7 | 1764 } |
| 1765 | |
| 1766 /* | |
| 1767 * Determine original x11 Window icon | |
| 1768 */ | |
| 1769 static int | |
| 1770 get_x11_icon(test_only) | |
| 1771 int test_only; | |
| 1772 { | |
| 1773 int retval = FALSE; | |
| 1774 | |
| 1775 retval = get_x11_thing(FALSE, test_only); | |
| 1776 | |
| 1777 /* could not get old icon, use terminal name */ | |
| 1778 if (oldicon == NULL && !test_only) | |
| 1779 { | |
| 1780 if (STRNCMP(T_NAME, "builtin_", 8) == 0) | |
| 1940 | 1781 oldicon = vim_strsave(T_NAME + 8); |
| 7 | 1782 else |
| 1940 | 1783 oldicon = vim_strsave(T_NAME); |
| 7 | 1784 } |
| 1785 | |
| 1786 return retval; | |
| 1787 } | |
| 1788 | |
| 1789 static int | |
| 1790 get_x11_thing(get_title, test_only) | |
| 1791 int get_title; /* get title string */ | |
| 1792 int test_only; | |
| 1793 { | |
| 1794 XTextProperty text_prop; | |
| 1795 int retval = FALSE; | |
| 1796 Status status; | |
| 1797 | |
| 1798 if (get_x11_windis() == OK) | |
| 1799 { | |
| 1800 /* Get window/icon name if any */ | |
| 1801 if (get_title) | |
| 1802 status = XGetWMName(x11_display, x11_window, &text_prop); | |
| 1803 else | |
| 1804 status = XGetWMIconName(x11_display, x11_window, &text_prop); | |
| 1805 | |
| 1806 /* | |
| 1807 * If terminal is xterm, then x11_window may be a child window of the | |
| 1808 * outer xterm window that actually contains the window/icon name, so | |
| 1809 * keep traversing up the tree until a window with a title/icon is | |
| 1810 * found. | |
| 1811 */ | |
| 1812 /* Previously this was only done for xterm and alikes. I don't see a | |
| 1813 * reason why it would fail for other terminal emulators. | |
| 1814 * if (term_is_xterm) */ | |
| 1815 { | |
| 1816 Window root; | |
| 1817 Window parent; | |
| 1818 Window win = x11_window; | |
| 1819 Window *children; | |
| 1820 unsigned int num_children; | |
| 1821 | |
| 1822 while (!status || text_prop.value == NULL) | |
| 1823 { | |
| 1824 if (!XQueryTree(x11_display, win, &root, &parent, &children, | |
| 1825 &num_children)) | |
| 1826 break; | |
| 1827 if (children) | |
| 1828 XFree((void *)children); | |
| 1829 if (parent == root || parent == 0) | |
| 1830 break; | |
| 1831 | |
| 1832 win = parent; | |
| 1833 if (get_title) | |
| 1834 status = XGetWMName(x11_display, win, &text_prop); | |
| 1835 else | |
| 1836 status = XGetWMIconName(x11_display, win, &text_prop); | |
| 1837 } | |
| 1838 } | |
| 1839 if (status && text_prop.value != NULL) | |
| 1840 { | |
| 1841 retval = TRUE; | |
| 1842 if (!test_only) | |
| 1843 { | |
|
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changeset
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1844 #if defined(FEAT_XFONTSET) || defined(FEAT_MBYTE) |
|
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1845 if (text_prop.encoding == XA_STRING |
|
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parents:
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changeset
|
1846 # ifdef FEAT_MBYTE |
|
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Fix: terminal title not properly restured when there are multi-byte
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1847 && !has_mbyte |
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Bram Moolenaar <bram@vim.org>
parents:
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1848 # endif |
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parents:
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1849 ) |
| 7 | 1850 { |
| 1851 #endif | |
| 1852 if (get_title) | |
| 1853 oldtitle = vim_strsave((char_u *)text_prop.value); | |
| 1854 else | |
| 1855 oldicon = vim_strsave((char_u *)text_prop.value); | |
|
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parents:
2311
diff
changeset
|
1856 #if defined(FEAT_XFONTSET) || defined(FEAT_MBYTE) |
| 7 | 1857 } |
| 1858 else | |
| 1859 { | |
| 1860 char **cl; | |
| 1861 Status transform_status; | |
| 1862 int n = 0; | |
| 1863 | |
| 1864 transform_status = XmbTextPropertyToTextList(x11_display, | |
| 1865 &text_prop, | |
| 1866 &cl, &n); | |
| 1867 if (transform_status >= Success && n > 0 && cl[0]) | |
| 1868 { | |
| 1869 if (get_title) | |
| 1870 oldtitle = vim_strsave((char_u *) cl[0]); | |
| 1871 else | |
| 1872 oldicon = vim_strsave((char_u *) cl[0]); | |
| 1873 XFreeStringList(cl); | |
| 1874 } | |
| 1875 else | |
| 1876 { | |
| 1877 if (get_title) | |
| 1878 oldtitle = vim_strsave((char_u *)text_prop.value); | |
| 1879 else | |
| 1880 oldicon = vim_strsave((char_u *)text_prop.value); | |
| 1881 } | |
| 1882 } | |
| 1883 #endif | |
| 1884 } | |
| 1885 XFree((void *)text_prop.value); | |
| 1886 } | |
| 1887 } | |
| 1888 return retval; | |
| 1889 } | |
| 1890 | |
| 1891 /* Are Xutf8 functions available? Avoid error from old compilers. */ | |
| 1892 #if defined(X_HAVE_UTF8_STRING) && defined(FEAT_MBYTE) | |
| 1893 # if X_HAVE_UTF8_STRING | |
| 1894 # define USE_UTF8_STRING | |
| 1895 # endif | |
| 1896 #endif | |
| 1897 | |
| 1898 /* | |
| 1899 * Set x11 Window Title | |
| 1900 * | |
| 1901 * get_x11_windis() must be called before this and have returned OK | |
| 1902 */ | |
| 1903 static void | |
| 1904 set_x11_title(title) | |
| 1905 char_u *title; | |
| 1906 { | |
| 1907 /* XmbSetWMProperties() and Xutf8SetWMProperties() should use a STRING | |
| 1908 * when possible, COMPOUND_TEXT otherwise. COMPOUND_TEXT isn't | |
| 1909 * supported everywhere and STRING doesn't work for multi-byte titles. | |
| 1910 */ | |
| 1911 #ifdef USE_UTF8_STRING | |
| 1912 if (enc_utf8) | |
| 1913 Xutf8SetWMProperties(x11_display, x11_window, (const char *)title, | |
| 1914 NULL, NULL, 0, NULL, NULL, NULL); | |
| 1915 else | |
| 1916 #endif | |
| 1917 { | |
| 1918 #if XtSpecificationRelease >= 4 | |
| 1919 # ifdef FEAT_XFONTSET | |
| 1920 XmbSetWMProperties(x11_display, x11_window, (const char *)title, | |
| 1921 NULL, NULL, 0, NULL, NULL, NULL); | |
| 1922 # else | |
| 1923 XTextProperty text_prop; | |
| 129 | 1924 char *c_title = (char *)title; |
| 7 | 1925 |
| 1926 /* directly from example 3-18 "basicwin" of Xlib Programming Manual */ | |
| 129 | 1927 (void)XStringListToTextProperty(&c_title, 1, &text_prop); |
| 7 | 1928 XSetWMProperties(x11_display, x11_window, &text_prop, |
| 1929 NULL, NULL, 0, NULL, NULL, NULL); | |
| 1930 # endif | |
| 1931 #else | |
| 1932 XStoreName(x11_display, x11_window, (char *)title); | |
| 1933 #endif | |
| 1934 } | |
| 1935 XFlush(x11_display); | |
| 1936 } | |
| 1937 | |
| 1938 /* | |
| 1939 * Set x11 Window icon | |
| 1940 * | |
| 1941 * get_x11_windis() must be called before this and have returned OK | |
| 1942 */ | |
| 1943 static void | |
| 1944 set_x11_icon(icon) | |
| 1945 char_u *icon; | |
| 1946 { | |
| 1947 /* See above for comments about using X*SetWMProperties(). */ | |
| 1948 #ifdef USE_UTF8_STRING | |
| 1949 if (enc_utf8) | |
| 1950 Xutf8SetWMProperties(x11_display, x11_window, NULL, (const char *)icon, | |
| 1951 NULL, 0, NULL, NULL, NULL); | |
| 1952 else | |
| 1953 #endif | |
| 1954 { | |
| 1955 #if XtSpecificationRelease >= 4 | |
| 1956 # ifdef FEAT_XFONTSET | |
| 1957 XmbSetWMProperties(x11_display, x11_window, NULL, (const char *)icon, | |
| 1958 NULL, 0, NULL, NULL, NULL); | |
| 1959 # else | |
| 1960 XTextProperty text_prop; | |
| 129 | 1961 char *c_icon = (char *)icon; |
| 1962 | |
| 1963 (void)XStringListToTextProperty(&c_icon, 1, &text_prop); | |
| 7 | 1964 XSetWMProperties(x11_display, x11_window, NULL, &text_prop, |
| 1965 NULL, 0, NULL, NULL, NULL); | |
| 1966 # endif | |
| 1967 #else | |
| 1968 XSetIconName(x11_display, x11_window, (char *)icon); | |
| 1969 #endif | |
| 1970 } | |
| 1971 XFlush(x11_display); | |
| 1972 } | |
| 1973 | |
| 1974 #else /* FEAT_X11 */ | |
| 1975 | |
| 1976 static int | |
| 1977 get_x11_title(test_only) | |
| 1883 | 1978 int test_only UNUSED; |
| 7 | 1979 { |
| 1980 return FALSE; | |
| 1981 } | |
| 1982 | |
| 1983 static int | |
| 1984 get_x11_icon(test_only) | |
| 1985 int test_only; | |
| 1986 { | |
| 1987 if (!test_only) | |
| 1988 { | |
| 1989 if (STRNCMP(T_NAME, "builtin_", 8) == 0) | |
| 1940 | 1990 oldicon = vim_strsave(T_NAME + 8); |
| 7 | 1991 else |
| 1940 | 1992 oldicon = vim_strsave(T_NAME); |
| 7 | 1993 } |
| 1994 return FALSE; | |
| 1995 } | |
| 1996 | |
| 1997 #endif /* FEAT_X11 */ | |
| 1998 | |
| 1999 int | |
| 2000 mch_can_restore_title() | |
| 2001 { | |
| 2002 return get_x11_title(TRUE); | |
| 2003 } | |
| 2004 | |
| 2005 int | |
| 2006 mch_can_restore_icon() | |
| 2007 { | |
| 2008 return get_x11_icon(TRUE); | |
| 2009 } | |
| 2010 | |
| 2011 /* | |
| 2012 * Set the window title and icon. | |
| 2013 */ | |
| 2014 void | |
| 2015 mch_settitle(title, icon) | |
| 2016 char_u *title; | |
| 2017 char_u *icon; | |
| 2018 { | |
| 2019 int type = 0; | |
| 2020 static int recursive = 0; | |
| 2021 | |
| 2022 if (T_NAME == NULL) /* no terminal name (yet) */ | |
| 2023 return; | |
| 2024 if (title == NULL && icon == NULL) /* nothing to do */ | |
| 2025 return; | |
| 2026 | |
| 2027 /* When one of the X11 functions causes a deadly signal, we get here again | |
| 2028 * recursively. Avoid hanging then (something is probably locked). */ | |
| 2029 if (recursive) | |
| 2030 return; | |
| 2031 ++recursive; | |
| 2032 | |
| 2033 /* | |
| 2034 * if the window ID and the display is known, we may use X11 calls | |
| 2035 */ | |
| 2036 #ifdef FEAT_X11 | |
| 2037 if (get_x11_windis() == OK) | |
| 2038 type = 1; | |
| 2039 #else | |
| 2040 # if defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_GTK) | |
| 2041 if (gui.in_use) | |
| 2042 type = 1; | |
| 2043 # endif | |
| 2044 #endif | |
| 2045 | |
| 2046 /* | |
|
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
|
2047 * Note: if "t_ts" is set, title is set with escape sequence rather |
| 7 | 2048 * than x11 calls, because the x11 calls don't always work |
| 2049 */ | |
| 2050 if ((type || *T_TS != NUL) && title != NULL) | |
| 2051 { | |
| 2052 if (oldtitle == NULL | |
| 2053 #ifdef FEAT_GUI | |
| 2054 && !gui.in_use | |
| 2055 #endif | |
| 2056 ) /* first call but not in GUI, save title */ | |
| 2057 (void)get_x11_title(FALSE); | |
| 2058 | |
| 2059 if (*T_TS != NUL) /* it's OK if t_fs is empty */ | |
| 2060 term_settitle(title); | |
| 2061 #ifdef FEAT_X11 | |
| 2062 else | |
| 2063 # ifdef FEAT_GUI_GTK | |
| 2064 if (!gui.in_use) /* don't do this if GTK+ is running */ | |
| 2065 # endif | |
| 2066 set_x11_title(title); /* x11 */ | |
| 2067 #endif | |
| 64 | 2068 #if defined(FEAT_GUI_GTK) \ |
| 7 | 2069 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) |
| 2070 else | |
| 2071 gui_mch_settitle(title, icon); | |
| 2072 #endif | |
| 2073 did_set_title = TRUE; | |
| 2074 } | |
| 2075 | |
| 2076 if ((type || *T_CIS != NUL) && icon != NULL) | |
| 2077 { | |
| 2078 if (oldicon == NULL | |
| 2079 #ifdef FEAT_GUI | |
| 2080 && !gui.in_use | |
| 2081 #endif | |
| 2082 ) /* first call, save icon */ | |
| 2083 get_x11_icon(FALSE); | |
| 2084 | |
| 2085 if (*T_CIS != NUL) | |
| 2086 { | |
| 2087 out_str(T_CIS); /* set icon start */ | |
| 2088 out_str_nf(icon); | |
| 2089 out_str(T_CIE); /* set icon end */ | |
| 2090 out_flush(); | |
| 2091 } | |
| 2092 #ifdef FEAT_X11 | |
| 2093 else | |
| 2094 # ifdef FEAT_GUI_GTK | |
| 2095 if (!gui.in_use) /* don't do this if GTK+ is running */ | |
| 2096 # endif | |
| 2097 set_x11_icon(icon); /* x11 */ | |
| 2098 #endif | |
| 2099 did_set_icon = TRUE; | |
| 2100 } | |
| 2101 --recursive; | |
| 2102 } | |
| 2103 | |
| 2104 /* | |
| 2105 * Restore the window/icon title. | |
| 2106 * "which" is one of: | |
| 2107 * 1 only restore title | |
| 2108 * 2 only restore icon | |
| 2109 * 3 restore title and icon | |
| 2110 */ | |
| 2111 void | |
| 2112 mch_restore_title(which) | |
| 2113 int which; | |
| 2114 { | |
| 2115 /* only restore the title or icon when it has been set */ | |
| 2116 mch_settitle(((which & 1) && did_set_title) ? | |
| 2117 (oldtitle ? oldtitle : p_titleold) : NULL, | |
| 2118 ((which & 2) && did_set_icon) ? oldicon : NULL); | |
| 2119 } | |
| 2120 | |
| 2121 #endif /* FEAT_TITLE */ | |
| 2122 | |
| 2123 /* | |
| 2124 * Return TRUE if "name" looks like some xterm name. | |
| 158 | 2125 * Seiichi Sato mentioned that "mlterm" works like xterm. |
| 7 | 2126 */ |
| 2127 int | |
| 2128 vim_is_xterm(name) | |
| 2129 char_u *name; | |
| 2130 { | |
| 2131 if (name == NULL) | |
| 2132 return FALSE; | |
| 2133 return (STRNICMP(name, "xterm", 5) == 0 | |
| 2134 || STRNICMP(name, "nxterm", 6) == 0 | |
| 2135 || STRNICMP(name, "kterm", 5) == 0 | |
| 158 | 2136 || STRNICMP(name, "mlterm", 6) == 0 |
| 7 | 2137 || STRNICMP(name, "rxvt", 4) == 0 |
| 2138 || STRCMP(name, "builtin_xterm") == 0); | |
| 2139 } | |
| 2140 | |
| 1620 | 2141 #if defined(FEAT_MOUSE_XTERM) || defined(PROTO) |
| 2142 /* | |
| 2143 * Return TRUE if "name" appears to be that of a terminal | |
| 2144 * known to support the xterm-style mouse protocol. | |
| 2145 * Relies on term_is_xterm having been set to its correct value. | |
| 2146 */ | |
| 2147 int | |
| 2148 use_xterm_like_mouse(name) | |
| 2149 char_u *name; | |
| 2150 { | |
| 2151 return (name != NULL | |
| 2152 && (term_is_xterm || STRNICMP(name, "screen", 6) == 0)); | |
| 2153 } | |
| 2154 #endif | |
| 2155 | |
| 7 | 2156 #if defined(FEAT_MOUSE_TTY) || defined(PROTO) |
| 2157 /* | |
| 2158 * Return non-zero when using an xterm mouse, according to 'ttymouse'. | |
| 2159 * Return 1 for "xterm". | |
| 2160 * Return 2 for "xterm2". | |
| 3145 | 2161 * Return 3 for "urxvt". |
| 3746 | 2162 * Return 4 for "sgr". |
| 7 | 2163 */ |
| 2164 int | |
| 2165 use_xterm_mouse() | |
| 2166 { | |
| 3746 | 2167 if (ttym_flags == TTYM_SGR) |
| 2168 return 4; | |
| 3145 | 2169 if (ttym_flags == TTYM_URXVT) |
| 2170 return 3; | |
| 7 | 2171 if (ttym_flags == TTYM_XTERM2) |
| 2172 return 2; | |
| 2173 if (ttym_flags == TTYM_XTERM) | |
| 2174 return 1; | |
| 2175 return 0; | |
| 2176 } | |
| 2177 #endif | |
| 2178 | |
| 2179 int | |
| 2180 vim_is_iris(name) | |
| 2181 char_u *name; | |
| 2182 { | |
| 2183 if (name == NULL) | |
| 2184 return FALSE; | |
| 2185 return (STRNICMP(name, "iris-ansi", 9) == 0 | |
| 2186 || STRCMP(name, "builtin_iris-ansi") == 0); | |
| 2187 } | |
| 2188 | |
| 2189 int | |
| 2190 vim_is_vt300(name) | |
| 2191 char_u *name; | |
| 2192 { | |
| 2193 if (name == NULL) | |
| 2194 return FALSE; /* actually all ANSI comp. terminals should be here */ | |
| 22 | 2195 /* catch VT100 - VT5xx */ |
| 2196 return ((STRNICMP(name, "vt", 2) == 0 | |
| 2197 && vim_strchr((char_u *)"12345", name[2]) != NULL) | |
| 7 | 2198 || STRCMP(name, "builtin_vt320") == 0); |
| 2199 } | |
| 2200 | |
| 2201 /* | |
| 2202 * Return TRUE if "name" is a terminal for which 'ttyfast' should be set. | |
| 2203 * This should include all windowed terminal emulators. | |
| 2204 */ | |
| 2205 int | |
| 2206 vim_is_fastterm(name) | |
| 2207 char_u *name; | |
| 2208 { | |
| 2209 if (name == NULL) | |
| 2210 return FALSE; | |
| 2211 if (vim_is_xterm(name) || vim_is_vt300(name) || vim_is_iris(name)) | |
| 2212 return TRUE; | |
| 2213 return ( STRNICMP(name, "hpterm", 6) == 0 | |
| 2214 || STRNICMP(name, "sun-cmd", 7) == 0 | |
| 2215 || STRNICMP(name, "screen", 6) == 0 | |
| 2216 || STRNICMP(name, "dtterm", 6) == 0); | |
| 2217 } | |
| 2218 | |
| 2219 /* | |
| 2220 * Insert user name in s[len]. | |
| 2221 * Return OK if a name found. | |
| 2222 */ | |
| 2223 int | |
| 2224 mch_get_user_name(s, len) | |
| 2225 char_u *s; | |
| 2226 int len; | |
| 2227 { | |
| 2228 #ifdef VMS | |
| 509 | 2229 vim_strncpy(s, (char_u *)cuserid(NULL), len - 1); |
| 7 | 2230 return OK; |
| 2231 #else | |
| 2232 return mch_get_uname(getuid(), s, len); | |
| 2233 #endif | |
| 2234 } | |
| 2235 | |
| 2236 /* | |
| 2237 * Insert user name for "uid" in s[len]. | |
| 2238 * Return OK if a name found. | |
| 2239 */ | |
| 2240 int | |
| 2241 mch_get_uname(uid, s, len) | |
| 2242 uid_t uid; | |
| 2243 char_u *s; | |
| 2244 int len; | |
| 2245 { | |
| 2246 #if defined(HAVE_PWD_H) && defined(HAVE_GETPWUID) | |
| 2247 struct passwd *pw; | |
| 2248 | |
| 2249 if ((pw = getpwuid(uid)) != NULL | |
| 2250 && pw->pw_name != NULL && *(pw->pw_name) != NUL) | |
| 2251 { | |
| 418 | 2252 vim_strncpy(s, (char_u *)pw->pw_name, len - 1); |
| 7 | 2253 return OK; |
| 2254 } | |
| 2255 #endif | |
| 2256 sprintf((char *)s, "%d", (int)uid); /* assumes s is long enough */ | |
| 2257 return FAIL; /* a number is not a name */ | |
| 2258 } | |
| 2259 | |
| 2260 /* | |
| 2261 * Insert host name is s[len]. | |
| 2262 */ | |
| 2263 | |
| 2264 #ifdef HAVE_SYS_UTSNAME_H | |
| 2265 void | |
| 2266 mch_get_host_name(s, len) | |
| 2267 char_u *s; | |
| 2268 int len; | |
| 2269 { | |
| 2270 struct utsname vutsname; | |
| 2271 | |
| 2272 if (uname(&vutsname) < 0) | |
| 2273 *s = NUL; | |
| 2274 else | |
| 418 | 2275 vim_strncpy(s, (char_u *)vutsname.nodename, len - 1); |
| 7 | 2276 } |
| 2277 #else /* HAVE_SYS_UTSNAME_H */ | |
| 2278 | |
| 2279 # ifdef HAVE_SYS_SYSTEMINFO_H | |
| 2280 # define gethostname(nam, len) sysinfo(SI_HOSTNAME, nam, len) | |
| 2281 # endif | |
| 2282 | |
| 2283 void | |
| 2284 mch_get_host_name(s, len) | |
| 2285 char_u *s; | |
| 2286 int len; | |
| 2287 { | |
| 2288 # ifdef VAXC | |
| 2289 vaxc$gethostname((char *)s, len); | |
| 2290 # else | |
| 2291 gethostname((char *)s, len); | |
| 2292 # endif | |
| 2293 s[len - 1] = NUL; /* make sure it's terminated */ | |
| 2294 } | |
| 2295 #endif /* HAVE_SYS_UTSNAME_H */ | |
| 2296 | |
| 2297 /* | |
| 2298 * return process ID | |
| 2299 */ | |
| 2300 long | |
| 2301 mch_get_pid() | |
| 2302 { | |
| 2303 return (long)getpid(); | |
| 2304 } | |
| 2305 | |
| 2306 #if !defined(HAVE_STRERROR) && defined(USE_GETCWD) | |
| 2307 static char *strerror __ARGS((int)); | |
| 2308 | |
| 2309 static char * | |
| 2310 strerror(err) | |
| 2311 int err; | |
| 2312 { | |
| 2313 extern int sys_nerr; | |
| 2314 extern char *sys_errlist[]; | |
| 2315 static char er[20]; | |
| 2316 | |
| 2317 if (err > 0 && err < sys_nerr) | |
| 2318 return (sys_errlist[err]); | |
| 2319 sprintf(er, "Error %d", err); | |
| 2320 return er; | |
| 2321 } | |
| 2322 #endif | |
| 2323 | |
| 2324 /* | |
| 2325 * Get name of current directory into buffer 'buf' of length 'len' bytes. | |
| 2326 * Return OK for success, FAIL for failure. | |
| 2327 */ | |
| 2328 int | |
| 2329 mch_dirname(buf, len) | |
| 2330 char_u *buf; | |
| 2331 int len; | |
| 2332 { | |
| 2333 #if defined(USE_GETCWD) | |
| 2334 if (getcwd((char *)buf, len) == NULL) | |
| 2335 { | |
| 2336 STRCPY(buf, strerror(errno)); | |
| 2337 return FAIL; | |
| 2338 } | |
| 2339 return OK; | |
| 2340 #else | |
| 2341 return (getwd((char *)buf) != NULL ? OK : FAIL); | |
| 2342 #endif | |
| 2343 } | |
| 2344 | |
| 2345 #if defined(OS2) || defined(PROTO) | |
| 2346 /* | |
| 2347 * Replace all slashes by backslashes. | |
| 2348 * When 'shellslash' set do it the other way around. | |
| 2349 */ | |
| 2350 void | |
| 2351 slash_adjust(p) | |
| 2352 char_u *p; | |
| 2353 { | |
| 2354 while (*p) | |
| 2355 { | |
| 2356 if (*p == psepcN) | |
| 2357 *p = psepc; | |
| 39 | 2358 mb_ptr_adv(p); |
| 7 | 2359 } |
| 2360 } | |
| 2361 #endif | |
| 2362 | |
| 2363 /* | |
| 1045 | 2364 * Get absolute file name into "buf[len]". |
| 7 | 2365 * |
| 2366 * return FAIL for failure, OK for success | |
| 2367 */ | |
| 2368 int | |
| 2369 mch_FullName(fname, buf, len, force) | |
| 2370 char_u *fname, *buf; | |
| 2371 int len; | |
| 2372 int force; /* also expand when already absolute path */ | |
| 2373 { | |
| 2374 int l; | |
| 1082 | 2375 #ifdef OS2 |
| 7 | 2376 int only_drive; /* file name is only a drive letter */ |
| 1082 | 2377 #endif |
| 2378 #ifdef HAVE_FCHDIR | |
| 7 | 2379 int fd = -1; |
| 2380 static int dont_fchdir = FALSE; /* TRUE when fchdir() doesn't work */ | |
| 1082 | 2381 #endif |
| 7 | 2382 char_u olddir[MAXPATHL]; |
| 2383 char_u *p; | |
| 2384 int retval = OK; | |
| 1615 | 2385 #ifdef __CYGWIN__ |
| 1620 | 2386 char_u posix_fname[MAXPATHL]; /* Cygwin docs mention MAX_PATH, but |
| 2387 it's not always defined */ | |
| 2388 #endif | |
| 7 | 2389 |
| 1082 | 2390 #ifdef VMS |
| 2391 fname = vms_fixfilename(fname); | |
| 2392 #endif | |
| 2393 | |
| 1102 | 2394 #ifdef __CYGWIN__ |
| 2395 /* | |
| 2396 * This helps for when "/etc/hosts" is a symlink to "c:/something/hosts". | |
| 2397 */ | |
| 1657 | 2398 # if CYGWIN_VERSION_DLL_MAJOR >= 1007 |
| 2399 cygwin_conv_path(CCP_WIN_A_TO_POSIX, fname, posix_fname, MAXPATHL); | |
| 2400 # else | |
| 1615 | 2401 cygwin_conv_to_posix_path(fname, posix_fname); |
| 1657 | 2402 # endif |
| 1615 | 2403 fname = posix_fname; |
| 1102 | 2404 #endif |
| 2405 | |
| 7 | 2406 /* expand it if forced or not an absolute path */ |
| 2407 if (force || !mch_isFullName(fname)) | |
| 2408 { | |
| 2409 /* | |
| 2410 * If the file name has a path, change to that directory for a moment, | |
| 2411 * and then do the getwd() (and get back to where we were). | |
| 2412 * This will get the correct path name with "../" things. | |
| 2413 */ | |
| 1082 | 2414 #ifdef OS2 |
| 7 | 2415 only_drive = 0; |
| 2416 if (((p = vim_strrchr(fname, '/')) != NULL) | |
| 2417 || ((p = vim_strrchr(fname, '\\')) != NULL) | |
| 2418 || (((p = vim_strchr(fname, ':')) != NULL) && ++only_drive)) | |
| 1082 | 2419 #else |
| 7 | 2420 if ((p = vim_strrchr(fname, '/')) != NULL) |
| 1082 | 2421 #endif |
| 7 | 2422 { |
| 1082 | 2423 #ifdef HAVE_FCHDIR |
| 7 | 2424 /* |
| 2425 * Use fchdir() if possible, it's said to be faster and more | |
| 2426 * reliable. But on SunOS 4 it might not work. Check this by | |
| 2427 * doing a fchdir() right now. | |
| 2428 */ | |
| 2429 if (!dont_fchdir) | |
| 2430 { | |
| 2431 fd = open(".", O_RDONLY | O_EXTRA, 0); | |
| 2432 if (fd >= 0 && fchdir(fd) < 0) | |
| 2433 { | |
| 2434 close(fd); | |
| 2435 fd = -1; | |
| 2436 dont_fchdir = TRUE; /* don't try again */ | |
| 2437 } | |
| 2438 } | |
| 1082 | 2439 #endif |
| 7 | 2440 |
| 2441 /* Only change directory when we are sure we can return to where | |
| 2442 * we are now. After doing "su" chdir(".") might not work. */ | |
| 2443 if ( | |
| 1082 | 2444 #ifdef HAVE_FCHDIR |
| 7 | 2445 fd < 0 && |
| 1082 | 2446 #endif |
| 7 | 2447 (mch_dirname(olddir, MAXPATHL) == FAIL |
| 2448 || mch_chdir((char *)olddir) != 0)) | |
| 2449 { | |
| 2450 p = NULL; /* can't get current dir: don't chdir */ | |
| 2451 retval = FAIL; | |
| 2452 } | |
| 2453 else | |
| 2454 { | |
| 1082 | 2455 #ifdef OS2 |
| 7 | 2456 /* |
| 2457 * compensate for case where ':' from "D:" was the only | |
| 2458 * path separator detected in the file name; the _next_ | |
| 2459 * character has to be removed, and then restored later. | |
| 2460 */ | |
| 2461 if (only_drive) | |
| 2462 p++; | |
| 1082 | 2463 #endif |
| 7 | 2464 /* The directory is copied into buf[], to be able to remove |
| 2465 * the file name without changing it (could be a string in | |
| 2466 * read-only memory) */ | |
| 2467 if (p - fname >= len) | |
| 2468 retval = FAIL; | |
| 2469 else | |
| 2470 { | |
| 418 | 2471 vim_strncpy(buf, fname, p - fname); |
| 7 | 2472 if (mch_chdir((char *)buf)) |
| 2473 retval = FAIL; | |
| 2474 else | |
| 2475 fname = p + 1; | |
| 2476 *buf = NUL; | |
| 2477 } | |
| 1082 | 2478 #ifdef OS2 |
| 7 | 2479 if (only_drive) |
| 2480 { | |
| 2481 p--; | |
| 2482 if (retval != FAIL) | |
| 2483 fname--; | |
| 2484 } | |
| 1082 | 2485 #endif |
| 7 | 2486 } |
| 2487 } | |
| 2488 if (mch_dirname(buf, len) == FAIL) | |
| 2489 { | |
| 2490 retval = FAIL; | |
| 2491 *buf = NUL; | |
| 2492 } | |
| 2493 if (p != NULL) | |
| 2494 { | |
| 1082 | 2495 #ifdef HAVE_FCHDIR |
| 7 | 2496 if (fd >= 0) |
| 2497 { | |
| 1935 | 2498 if (p_verbose >= 5) |
| 2499 { | |
| 2500 verbose_enter(); | |
| 2501 MSG("fchdir() to previous dir"); | |
| 2502 verbose_leave(); | |
| 2503 } | |
| 7 | 2504 l = fchdir(fd); |
| 2505 close(fd); | |
| 2506 } | |
| 2507 else | |
| 1082 | 2508 #endif |
| 7 | 2509 l = mch_chdir((char *)olddir); |
| 2510 if (l != 0) | |
| 2511 EMSG(_(e_prev_dir)); | |
| 2512 } | |
| 2513 | |
| 2514 l = STRLEN(buf); | |
| 3867 | 2515 if (l >= len - 1) |
| 2516 retval = FAIL; /* no space for trailing "/" */ | |
| 1082 | 2517 #ifndef VMS |
| 3867 | 2518 else if (l > 0 && buf[l - 1] != '/' && *fname != NUL |
| 7 | 2519 && STRCMP(fname, ".") != 0) |
| 3867 | 2520 STRCAT(buf, "/"); |
| 1082 | 2521 #endif |
| 7 | 2522 } |
| 1045 | 2523 |
| 7 | 2524 /* Catch file names which are too long. */ |
| 1877 | 2525 if (retval == FAIL || (int)(STRLEN(buf) + STRLEN(fname)) >= len) |
| 7 | 2526 return FAIL; |
| 2527 | |
| 2528 /* Do not append ".", "/dir/." is equal to "/dir". */ | |
| 2529 if (STRCMP(fname, ".") != 0) | |
| 2530 STRCAT(buf, fname); | |
| 2531 | |
| 2532 return OK; | |
| 2533 } | |
| 2534 | |
| 2535 /* | |
| 2536 * Return TRUE if "fname" does not depend on the current directory. | |
| 2537 */ | |
| 2538 int | |
| 2539 mch_isFullName(fname) | |
| 2540 char_u *fname; | |
| 2541 { | |
| 2542 #ifdef __EMX__ | |
| 2543 return _fnisabs(fname); | |
| 2544 #else | |
| 2545 # ifdef VMS | |
| 2546 return ( fname[0] == '/' || fname[0] == '.' || | |
| 2547 strchr((char *)fname,':') || strchr((char *)fname,'"') || | |
| 2548 (strchr((char *)fname,'[') && strchr((char *)fname,']'))|| | |
| 2549 (strchr((char *)fname,'<') && strchr((char *)fname,'>')) ); | |
| 2550 # else | |
| 2551 return (*fname == '/' || *fname == '~'); | |
| 2552 # endif | |
| 2553 #endif | |
| 2554 } | |
| 2555 | |
| 585 | 2556 #if defined(USE_FNAME_CASE) || defined(PROTO) |
| 2557 /* | |
| 2558 * Set the case of the file name, if it already exists. This will cause the | |
| 2559 * file name to remain exactly the same. | |
| 1450 | 2560 * Only required for file systems where case is ignored and preserved. |
| 585 | 2561 */ |
| 2562 void | |
| 2563 fname_case(name, len) | |
| 2564 char_u *name; | |
| 1883 | 2565 int len UNUSED; /* buffer size, only used when name gets longer */ |
| 585 | 2566 { |
| 2567 struct stat st; | |
| 2568 char_u *slash, *tail; | |
| 2569 DIR *dirp; | |
| 2570 struct dirent *dp; | |
| 2571 | |
| 2572 if (lstat((char *)name, &st) >= 0) | |
| 2573 { | |
| 2574 /* Open the directory where the file is located. */ | |
| 2575 slash = vim_strrchr(name, '/'); | |
| 2576 if (slash == NULL) | |
| 2577 { | |
| 2578 dirp = opendir("."); | |
| 2579 tail = name; | |
| 2580 } | |
| 2581 else | |
| 2582 { | |
| 2583 *slash = NUL; | |
| 2584 dirp = opendir((char *)name); | |
| 2585 *slash = '/'; | |
| 2586 tail = slash + 1; | |
| 2587 } | |
| 2588 | |
| 2589 if (dirp != NULL) | |
| 2590 { | |
| 2591 while ((dp = readdir(dirp)) != NULL) | |
| 2592 { | |
| 2593 /* Only accept names that differ in case and are the same byte | |
| 2594 * length. TODO: accept different length name. */ | |
| 2595 if (STRICMP(tail, dp->d_name) == 0 | |
| 2596 && STRLEN(tail) == STRLEN(dp->d_name)) | |
| 2597 { | |
| 2598 char_u newname[MAXPATHL + 1]; | |
| 2599 struct stat st2; | |
| 2600 | |
| 2601 /* Verify the inode is equal. */ | |
| 2602 vim_strncpy(newname, name, MAXPATHL); | |
| 2603 vim_strncpy(newname + (tail - name), (char_u *)dp->d_name, | |
| 2604 MAXPATHL - (tail - name)); | |
| 2605 if (lstat((char *)newname, &st2) >= 0 | |
| 2606 && st.st_ino == st2.st_ino | |
| 2607 && st.st_dev == st2.st_dev) | |
| 2608 { | |
| 2609 STRCPY(tail, dp->d_name); | |
| 2610 break; | |
| 2611 } | |
| 2612 } | |
| 2613 } | |
| 2614 | |
| 2615 closedir(dirp); | |
| 2616 } | |
| 2617 } | |
| 2618 } | |
| 2619 #endif | |
| 2620 | |
| 7 | 2621 /* |
| 2622 * Get file permissions for 'name'. | |
| 2623 * Returns -1 when it doesn't exist. | |
| 2624 */ | |
| 2625 long | |
| 2626 mch_getperm(name) | |
| 2627 char_u *name; | |
| 2628 { | |
| 2629 struct stat statb; | |
| 2630 | |
| 2631 /* Keep the #ifdef outside of stat(), it may be a macro. */ | |
| 2632 #ifdef VMS | |
| 2633 if (stat((char *)vms_fixfilename(name), &statb)) | |
| 2634 #else | |
| 2635 if (stat((char *)name, &statb)) | |
| 2636 #endif | |
| 2637 return -1; | |
| 1350 | 2638 #ifdef __INTERIX |
| 2639 /* The top bit makes the value negative, which means the file doesn't | |
| 2640 * exist. Remove the bit, we don't use it. */ | |
| 2641 return statb.st_mode & ~S_ADDACE; | |
| 2642 #else | |
| 7 | 2643 return statb.st_mode; |
| 1350 | 2644 #endif |
| 7 | 2645 } |
| 2646 | |
| 2647 /* | |
| 2648 * set file permission for 'name' to 'perm' | |
| 2649 * | |
| 2650 * return FAIL for failure, OK otherwise | |
| 2651 */ | |
| 2652 int | |
| 2653 mch_setperm(name, perm) | |
| 2654 char_u *name; | |
| 2655 long perm; | |
| 2656 { | |
| 2657 return (chmod((char *) | |
| 2658 #ifdef VMS | |
| 2659 vms_fixfilename(name), | |
| 2660 #else | |
| 2661 name, | |
| 2662 #endif | |
| 2663 (mode_t)perm) == 0 ? OK : FAIL); | |
| 2664 } | |
| 2665 | |
| 2666 #if defined(HAVE_ACL) || defined(PROTO) | |
| 2667 # ifdef HAVE_SYS_ACL_H | |
| 2668 # include <sys/acl.h> | |
| 2669 # endif | |
| 2670 # ifdef HAVE_SYS_ACCESS_H | |
| 2671 # include <sys/access.h> | |
| 2672 # endif | |
| 2673 | |
| 2674 # ifdef HAVE_SOLARIS_ACL | |
| 2675 typedef struct vim_acl_solaris_T { | |
| 2676 int acl_cnt; | |
| 2677 aclent_t *acl_entry; | |
| 2678 } vim_acl_solaris_T; | |
| 2679 # endif | |
| 2680 | |
| 1583 | 2681 #if defined(HAVE_SELINUX) || defined(PROTO) |
| 2682 /* | |
| 2683 * Copy security info from "from_file" to "to_file". | |
| 2684 */ | |
| 2685 void | |
| 2686 mch_copy_sec(from_file, to_file) | |
| 2687 char_u *from_file; | |
| 2688 char_u *to_file; | |
| 2689 { | |
| 2690 if (from_file == NULL) | |
| 2691 return; | |
| 2692 | |
| 2693 if (selinux_enabled == -1) | |
| 2694 selinux_enabled = is_selinux_enabled(); | |
| 2695 | |
| 2696 if (selinux_enabled > 0) | |
| 2697 { | |
| 2698 security_context_t from_context = NULL; | |
| 2699 security_context_t to_context = NULL; | |
| 2700 | |
| 2701 if (getfilecon((char *)from_file, &from_context) < 0) | |
| 2702 { | |
| 2703 /* If the filesystem doesn't support extended attributes, | |
| 2704 the original had no special security context and the | |
| 2705 target cannot have one either. */ | |
| 2706 if (errno == EOPNOTSUPP) | |
| 2707 return; | |
| 2708 | |
| 2709 MSG_PUTS(_("\nCould not get security context for ")); | |
| 2710 msg_outtrans(from_file); | |
| 2711 msg_putchar('\n'); | |
| 2712 return; | |
| 2713 } | |
| 2714 if (getfilecon((char *)to_file, &to_context) < 0) | |
| 2715 { | |
| 2716 MSG_PUTS(_("\nCould not get security context for ")); | |
| 2717 msg_outtrans(to_file); | |
| 2718 msg_putchar('\n'); | |
| 2719 freecon (from_context); | |
| 2720 return ; | |
| 2721 } | |
| 2722 if (strcmp(from_context, to_context) != 0) | |
| 2723 { | |
| 2724 if (setfilecon((char *)to_file, from_context) < 0) | |
| 2725 { | |
| 2726 MSG_PUTS(_("\nCould not set security context for ")); | |
| 2727 msg_outtrans(to_file); | |
| 2728 msg_putchar('\n'); | |
| 2729 } | |
| 2730 } | |
| 2731 freecon(to_context); | |
| 2732 freecon(from_context); | |
| 2733 } | |
| 2734 } | |
| 2735 #endif /* HAVE_SELINUX */ | |
| 2736 | |
| 7 | 2737 /* |
| 2738 * Return a pointer to the ACL of file "fname" in allocated memory. | |
| 2739 * Return NULL if the ACL is not available for whatever reason. | |
| 2740 */ | |
| 2741 vim_acl_T | |
| 2742 mch_get_acl(fname) | |
| 1877 | 2743 char_u *fname UNUSED; |
| 7 | 2744 { |
| 2745 vim_acl_T ret = NULL; | |
| 2746 #ifdef HAVE_POSIX_ACL | |
| 2747 ret = (vim_acl_T)acl_get_file((char *)fname, ACL_TYPE_ACCESS); | |
| 2748 #else | |
| 3330 | 2749 #ifdef HAVE_SOLARIS_ZFS_ACL |
| 2750 acl_t *aclent; | |
| 2751 | |
| 2752 if (acl_get((char *)fname, 0, &aclent) < 0) | |
| 2753 return NULL; | |
| 2754 ret = (vim_acl_T)aclent; | |
| 2755 #else | |
| 7 | 2756 #ifdef HAVE_SOLARIS_ACL |
| 2757 vim_acl_solaris_T *aclent; | |
| 2758 | |
| 2759 aclent = malloc(sizeof(vim_acl_solaris_T)); | |
| 2760 if ((aclent->acl_cnt = acl((char *)fname, GETACLCNT, 0, NULL)) < 0) | |
| 2761 { | |
| 2762 free(aclent); | |
| 2763 return NULL; | |
| 2764 } | |
| 2765 aclent->acl_entry = malloc(aclent->acl_cnt * sizeof(aclent_t)); | |
| 2766 if (acl((char *)fname, GETACL, aclent->acl_cnt, aclent->acl_entry) < 0) | |
| 2767 { | |
| 2768 free(aclent->acl_entry); | |
| 2769 free(aclent); | |
| 2770 return NULL; | |
| 2771 } | |
| 2772 ret = (vim_acl_T)aclent; | |
| 2773 #else | |
| 2774 #if defined(HAVE_AIX_ACL) | |
| 2775 int aclsize; | |
| 2776 struct acl *aclent; | |
| 2777 | |
| 2778 aclsize = sizeof(struct acl); | |
| 2779 aclent = malloc(aclsize); | |
| 2780 if (statacl((char *)fname, STX_NORMAL, aclent, aclsize) < 0) | |
| 2781 { | |
| 2782 if (errno == ENOSPC) | |
| 2783 { | |
| 2784 aclsize = aclent->acl_len; | |
| 2785 aclent = realloc(aclent, aclsize); | |
| 2786 if (statacl((char *)fname, STX_NORMAL, aclent, aclsize) < 0) | |
| 2787 { | |
| 2788 free(aclent); | |
| 2789 return NULL; | |
| 2790 } | |
| 2791 } | |
| 2792 else | |
| 2793 { | |
| 2794 free(aclent); | |
| 2795 return NULL; | |
| 2796 } | |
| 2797 } | |
| 2798 ret = (vim_acl_T)aclent; | |
| 2799 #endif /* HAVE_AIX_ACL */ | |
| 2800 #endif /* HAVE_SOLARIS_ACL */ | |
| 3330 | 2801 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
| 7 | 2802 #endif /* HAVE_POSIX_ACL */ |
| 2803 return ret; | |
| 2804 } | |
| 2805 | |
| 2806 /* | |
| 2807 * Set the ACL of file "fname" to "acl" (unless it's NULL). | |
| 2808 */ | |
| 2809 void | |
| 2810 mch_set_acl(fname, aclent) | |
| 1877 | 2811 char_u *fname UNUSED; |
| 7 | 2812 vim_acl_T aclent; |
| 2813 { | |
| 2814 if (aclent == NULL) | |
| 2815 return; | |
| 2816 #ifdef HAVE_POSIX_ACL | |
| 2817 acl_set_file((char *)fname, ACL_TYPE_ACCESS, (acl_t)aclent); | |
| 2818 #else | |
| 3330 | 2819 #ifdef HAVE_SOLARIS_ZFS_ACL |
| 2820 acl_set((char *)fname, (acl_t *)aclent); | |
| 2821 #else | |
| 7 | 2822 #ifdef HAVE_SOLARIS_ACL |
| 2823 acl((char *)fname, SETACL, ((vim_acl_solaris_T *)aclent)->acl_cnt, | |
| 2824 ((vim_acl_solaris_T *)aclent)->acl_entry); | |
| 2825 #else | |
| 2826 #ifdef HAVE_AIX_ACL | |
| 2827 chacl((char *)fname, aclent, ((struct acl *)aclent)->acl_len); | |
| 2828 #endif /* HAVE_AIX_ACL */ | |
| 2829 #endif /* HAVE_SOLARIS_ACL */ | |
| 3330 | 2830 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
| 7 | 2831 #endif /* HAVE_POSIX_ACL */ |
| 2832 } | |
| 2833 | |
| 2834 void | |
| 2835 mch_free_acl(aclent) | |
| 2836 vim_acl_T aclent; | |
| 2837 { | |
| 2838 if (aclent == NULL) | |
| 2839 return; | |
| 2840 #ifdef HAVE_POSIX_ACL | |
| 2841 acl_free((acl_t)aclent); | |
| 2842 #else | |
| 3330 | 2843 #ifdef HAVE_SOLARIS_ZFS_ACL |
| 2844 acl_free((acl_t *)aclent); | |
| 2845 #else | |
| 7 | 2846 #ifdef HAVE_SOLARIS_ACL |
| 2847 free(((vim_acl_solaris_T *)aclent)->acl_entry); | |
| 2848 free(aclent); | |
| 2849 #else | |
| 2850 #ifdef HAVE_AIX_ACL | |
| 2851 free(aclent); | |
| 2852 #endif /* HAVE_AIX_ACL */ | |
| 2853 #endif /* HAVE_SOLARIS_ACL */ | |
| 3330 | 2854 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
| 7 | 2855 #endif /* HAVE_POSIX_ACL */ |
| 2856 } | |
| 2857 #endif | |
| 2858 | |
| 2859 /* | |
| 2860 * Set hidden flag for "name". | |
| 2861 */ | |
| 2862 void | |
| 2863 mch_hide(name) | |
| 1877 | 2864 char_u *name UNUSED; |
| 7 | 2865 { |
| 2866 /* can't hide a file */ | |
| 2867 } | |
| 2868 | |
| 2869 /* | |
| 2870 * return TRUE if "name" is a directory | |
| 2871 * return FALSE if "name" is not a directory | |
| 2872 * return FALSE for error | |
| 2873 */ | |
| 2874 int | |
| 2875 mch_isdir(name) | |
| 2876 char_u *name; | |
| 2877 { | |
| 2878 struct stat statb; | |
| 2879 | |
| 2880 if (*name == NUL) /* Some stat()s don't flag "" as an error. */ | |
| 2881 return FALSE; | |
| 2882 if (stat((char *)name, &statb)) | |
| 2883 return FALSE; | |
| 2884 #ifdef _POSIX_SOURCE | |
| 2885 return (S_ISDIR(statb.st_mode) ? TRUE : FALSE); | |
| 2886 #else | |
| 2887 return ((statb.st_mode & S_IFMT) == S_IFDIR ? TRUE : FALSE); | |
| 2888 #endif | |
| 2889 } | |
| 2890 | |
| 2891 static int executable_file __ARGS((char_u *name)); | |
| 2892 | |
| 2893 /* | |
| 2894 * Return 1 if "name" is an executable file, 0 if not or it doesn't exist. | |
| 2895 */ | |
| 2896 static int | |
| 2897 executable_file(name) | |
| 2898 char_u *name; | |
| 2899 { | |
| 2900 struct stat st; | |
| 2901 | |
| 2902 if (stat((char *)name, &st)) | |
| 2903 return 0; | |
| 2904 return S_ISREG(st.st_mode) && mch_access((char *)name, X_OK) == 0; | |
| 2905 } | |
| 2906 | |
| 2907 /* | |
| 2908 * Return 1 if "name" can be found in $PATH and executed, 0 if not. | |
| 2909 * Return -1 if unknown. | |
| 2910 */ | |
| 2911 int | |
| 2912 mch_can_exe(name) | |
| 2913 char_u *name; | |
| 2914 { | |
| 2915 char_u *buf; | |
| 2916 char_u *p, *e; | |
| 2917 int retval; | |
| 2918 | |
| 2919 /* If it's an absolute or relative path don't need to use $PATH. */ | |
| 2920 if (mch_isFullName(name) || (name[0] == '.' && (name[1] == '/' | |
| 2921 || (name[1] == '.' && name[2] == '/')))) | |
| 2922 return executable_file(name); | |
| 2923 | |
| 2924 p = (char_u *)getenv("PATH"); | |
| 2925 if (p == NULL || *p == NUL) | |
| 2926 return -1; | |
| 2927 buf = alloc((unsigned)(STRLEN(name) + STRLEN(p) + 2)); | |
| 2928 if (buf == NULL) | |
| 2929 return -1; | |
| 2930 | |
| 2931 /* | |
| 2932 * Walk through all entries in $PATH to check if "name" exists there and | |
| 2933 * is an executable file. | |
| 2934 */ | |
| 2935 for (;;) | |
| 2936 { | |
| 2937 e = (char_u *)strchr((char *)p, ':'); | |
| 2938 if (e == NULL) | |
| 2939 e = p + STRLEN(p); | |
| 2940 if (e - p <= 1) /* empty entry means current dir */ | |
| 2941 STRCPY(buf, "./"); | |
| 2942 else | |
| 2943 { | |
| 418 | 2944 vim_strncpy(buf, p, e - p); |
| 7 | 2945 add_pathsep(buf); |
| 2946 } | |
| 2947 STRCAT(buf, name); | |
| 2948 retval = executable_file(buf); | |
| 2949 if (retval == 1) | |
| 2950 break; | |
| 2951 | |
| 2952 if (*e != ':') | |
| 2953 break; | |
| 2954 p = e + 1; | |
| 2955 } | |
| 2956 | |
| 2957 vim_free(buf); | |
| 2958 return retval; | |
| 2959 } | |
| 2960 | |
| 2961 /* | |
| 2962 * Check what "name" is: | |
| 2963 * NODE_NORMAL: file or directory (or doesn't exist) | |
| 2964 * NODE_WRITABLE: writable device, socket, fifo, etc. | |
| 2965 * NODE_OTHER: non-writable things | |
| 2966 */ | |
| 2967 int | |
| 2968 mch_nodetype(name) | |
| 2969 char_u *name; | |
| 2970 { | |
| 2971 struct stat st; | |
| 2972 | |
| 2973 if (stat((char *)name, &st)) | |
| 2974 return NODE_NORMAL; | |
| 2975 if (S_ISREG(st.st_mode) || S_ISDIR(st.st_mode)) | |
| 2976 return NODE_NORMAL; | |
| 2977 #ifndef OS2 | |
| 2978 if (S_ISBLK(st.st_mode)) /* block device isn't writable */ | |
| 2979 return NODE_OTHER; | |
| 2980 #endif | |
| 2981 /* Everything else is writable? */ | |
| 2982 return NODE_WRITABLE; | |
| 2983 } | |
| 2984 | |
| 2985 void | |
| 2986 mch_early_init() | |
| 2987 { | |
| 2988 #ifdef HAVE_CHECK_STACK_GROWTH | |
| 2989 int i; | |
| 180 | 2990 |
| 7 | 2991 check_stack_growth((char *)&i); |
| 2992 | |
| 180 | 2993 # ifdef HAVE_STACK_LIMIT |
| 7 | 2994 get_stack_limit(); |
| 2995 # endif | |
| 2996 | |
| 2997 #endif | |
| 2998 | |
| 2999 /* | |
| 3000 * Setup an alternative stack for signals. Helps to catch signals when | |
| 3001 * running out of stack space. | |
| 3002 * Use of sigaltstack() is preferred, it's more portable. | |
| 3003 * Ignore any errors. | |
| 3004 */ | |
| 3005 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 1737 | 3006 signal_stack = (char *)alloc(SIGSTKSZ); |
| 7 | 3007 init_signal_stack(); |
| 3008 #endif | |
| 3009 } | |
| 3010 | |
| 355 | 3011 #if defined(EXITFREE) || defined(PROTO) |
| 3012 void | |
| 3013 mch_free_mem() | |
| 3014 { | |
| 359 | 3015 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 3016 if (clip_star.owned) | |
| 3017 clip_lose_selection(&clip_star); | |
| 3018 if (clip_plus.owned) | |
| 3019 clip_lose_selection(&clip_plus); | |
| 355 | 3020 # endif |
| 1605 | 3021 # if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) |
| 355 | 3022 if (xterm_Shell != (Widget)0) |
| 3023 XtDestroyWidget(xterm_Shell); | |
| 1605 | 3024 # ifndef LESSTIF_VERSION |
| 3025 /* Lesstif crashes here, lose some memory */ | |
| 355 | 3026 if (xterm_dpy != NULL) |
| 3027 XtCloseDisplay(xterm_dpy); | |
| 3028 if (app_context != (XtAppContext)NULL) | |
| 1605 | 3029 { |
| 355 | 3030 XtDestroyApplicationContext(app_context); |
| 1605 | 3031 # ifdef FEAT_X11 |
| 3032 x11_display = NULL; /* freed by XtDestroyApplicationContext() */ | |
| 3033 # endif | |
| 3034 } | |
| 3035 # endif | |
| 355 | 3036 # endif |
|
2277
f42e0b5ff9e9
Change remaining HAVE_GTK2 to FEAT_GUI_GTK.
Bram Moolenaar <bram@vim.org>
parents:
2275
diff
changeset
|
3037 # if defined(FEAT_X11) |
| 1605 | 3038 if (x11_display != NULL |
| 3039 # ifdef FEAT_XCLIPBOARD | |
| 3040 && x11_display != xterm_dpy | |
| 3041 # endif | |
| 3042 ) | |
| 359 | 3043 XCloseDisplay(x11_display); |
| 3044 # endif | |
| 3045 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 3046 vim_free(signal_stack); | |
| 3047 signal_stack = NULL; | |
| 3048 # endif | |
| 3049 # ifdef FEAT_TITLE | |
| 3050 vim_free(oldtitle); | |
| 3051 vim_free(oldicon); | |
| 3052 # endif | |
| 355 | 3053 } |
| 3054 #endif | |
| 3055 | |
| 7 | 3056 static void exit_scroll __ARGS((void)); |
| 3057 | |
| 3058 /* | |
| 3059 * Output a newline when exiting. | |
| 3060 * Make sure the newline goes to the same stream as the text. | |
| 3061 */ | |
| 3062 static void | |
| 3063 exit_scroll() | |
| 3064 { | |
| 167 | 3065 if (silent_mode) |
| 3066 return; | |
| 7 | 3067 if (newline_on_exit || msg_didout) |
| 3068 { | |
| 3069 if (msg_use_printf()) | |
| 3070 { | |
| 3071 if (info_message) | |
| 3072 mch_msg("\n"); | |
| 3073 else | |
| 3074 mch_errmsg("\r\n"); | |
| 3075 } | |
| 3076 else | |
| 3077 out_char('\n'); | |
| 3078 } | |
| 3079 else | |
| 3080 { | |
| 3081 restore_cterm_colors(); /* get original colors back */ | |
| 3082 msg_clr_eos_force(); /* clear the rest of the display */ | |
| 3083 windgoto((int)Rows - 1, 0); /* may have moved the cursor */ | |
| 3084 } | |
| 3085 } | |
| 3086 | |
| 3087 void | |
| 3088 mch_exit(r) | |
| 3089 int r; | |
| 3090 { | |
| 3091 exiting = TRUE; | |
| 3092 | |
| 3093 #if defined(FEAT_X11) && defined(FEAT_CLIPBOARD) | |
| 3094 x11_export_final_selection(); | |
| 3095 #endif | |
| 3096 | |
| 3097 #ifdef FEAT_GUI | |
| 3098 if (!gui.in_use) | |
| 3099 #endif | |
| 3100 { | |
| 3101 settmode(TMODE_COOK); | |
| 3102 #ifdef FEAT_TITLE | |
| 3103 mch_restore_title(3); /* restore xterm title and icon name */ | |
| 3104 #endif | |
| 3105 /* | |
| 3106 * When t_ti is not empty but it doesn't cause swapping terminal | |
| 3107 * pages, need to output a newline when msg_didout is set. But when | |
| 3108 * t_ti does swap pages it should not go to the shell page. Do this | |
| 3109 * before stoptermcap(). | |
| 3110 */ | |
| 3111 if (swapping_screen() && !newline_on_exit) | |
| 3112 exit_scroll(); | |
| 3113 | |
| 3114 /* Stop termcap: May need to check for T_CRV response, which | |
| 3115 * requires RAW mode. */ | |
| 3116 stoptermcap(); | |
| 3117 | |
| 3118 /* | |
| 3119 * A newline is only required after a message in the alternate screen. | |
| 3120 * This is set to TRUE by wait_return(). | |
| 3121 */ | |
| 3122 if (!swapping_screen() || newline_on_exit) | |
| 3123 exit_scroll(); | |
| 3124 | |
| 3125 /* Cursor may have been switched off without calling starttermcap() | |
| 3126 * when doing "vim -u vimrc" and vimrc contains ":q". */ | |
| 3127 if (full_screen) | |
| 3128 cursor_on(); | |
| 3129 } | |
| 3130 out_flush(); | |
| 3131 ml_close_all(TRUE); /* remove all memfiles */ | |
| 3132 may_core_dump(); | |
| 3133 #ifdef FEAT_GUI | |
| 3134 if (gui.in_use) | |
| 3135 gui_exit(r); | |
| 3136 #endif | |
| 167 | 3137 |
| 765 | 3138 #ifdef MACOS_CONVERT |
| 167 | 3139 mac_conv_cleanup(); |
| 3140 #endif | |
| 3141 | |
| 7 | 3142 #ifdef __QNX__ |
| 3143 /* A core dump won't be created if the signal handler | |
| 3144 * doesn't return, so we can't call exit() */ | |
| 3145 if (deadly_signal != 0) | |
| 3146 return; | |
| 3147 #endif | |
| 3148 | |
| 33 | 3149 #ifdef FEAT_NETBEANS_INTG |
| 2210 | 3150 netbeans_send_disconnect(); |
| 33 | 3151 #endif |
| 355 | 3152 |
| 3153 #ifdef EXITFREE | |
| 3154 free_all_mem(); | |
| 3155 #endif | |
| 3156 | |
| 7 | 3157 exit(r); |
| 3158 } | |
| 3159 | |
| 3160 static void | |
| 3161 may_core_dump() | |
| 3162 { | |
| 3163 if (deadly_signal != 0) | |
| 3164 { | |
| 3165 signal(deadly_signal, SIG_DFL); | |
| 3166 kill(getpid(), deadly_signal); /* Die using the signal we caught */ | |
| 3167 } | |
| 3168 } | |
| 3169 | |
| 3170 #ifndef VMS | |
| 3171 | |
| 3172 void | |
| 3173 mch_settmode(tmode) | |
| 3174 int tmode; | |
| 3175 { | |
| 3176 static int first = TRUE; | |
| 3177 | |
| 3178 /* Why is NeXT excluded here (and not in os_unixx.h)? */ | |
| 3179 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__) | |
| 3180 /* | |
| 3181 * for "new" tty systems | |
| 3182 */ | |
| 3183 # ifdef HAVE_TERMIOS_H | |
| 3184 static struct termios told; | |
| 3185 struct termios tnew; | |
| 3186 # else | |
| 3187 static struct termio told; | |
| 3188 struct termio tnew; | |
| 3189 # endif | |
| 3190 | |
| 3191 if (first) | |
| 3192 { | |
| 3193 first = FALSE; | |
| 3194 # if defined(HAVE_TERMIOS_H) | |
| 3195 tcgetattr(read_cmd_fd, &told); | |
| 3196 # else | |
| 3197 ioctl(read_cmd_fd, TCGETA, &told); | |
| 3198 # endif | |
| 3199 } | |
| 3200 | |
| 3201 tnew = told; | |
| 3202 if (tmode == TMODE_RAW) | |
| 3203 { | |
| 3204 /* | |
| 3205 * ~ICRNL enables typing ^V^M | |
| 3206 */ | |
| 3207 tnew.c_iflag &= ~ICRNL; | |
| 3208 tnew.c_lflag &= ~(ICANON | ECHO | ISIG | ECHOE | |
| 3209 # if defined(IEXTEN) && !defined(__MINT__) | |
| 3210 | IEXTEN /* IEXTEN enables typing ^V on SOLARIS */ | |
| 3211 /* but it breaks function keys on MINT */ | |
| 3212 # endif | |
| 3213 ); | |
| 3214 # ifdef ONLCR /* don't map NL -> CR NL, we do it ourselves */ | |
| 3215 tnew.c_oflag &= ~ONLCR; | |
| 3216 # endif | |
| 3217 tnew.c_cc[VMIN] = 1; /* return after 1 char */ | |
| 3218 tnew.c_cc[VTIME] = 0; /* don't wait */ | |
| 3219 } | |
| 3220 else if (tmode == TMODE_SLEEP) | |
| 3221 tnew.c_lflag &= ~(ECHO); | |
| 3222 | |
| 3223 # if defined(HAVE_TERMIOS_H) | |
| 3224 { | |
| 3225 int n = 10; | |
| 3226 | |
| 3227 /* A signal may cause tcsetattr() to fail (e.g., SIGCONT). Retry a | |
| 3228 * few times. */ | |
| 3229 while (tcsetattr(read_cmd_fd, TCSANOW, &tnew) == -1 | |
| 3230 && errno == EINTR && n > 0) | |
| 3231 --n; | |
| 3232 } | |
| 3233 # else | |
| 3234 ioctl(read_cmd_fd, TCSETA, &tnew); | |
| 3235 # endif | |
| 3236 | |
| 3237 #else | |
| 3238 | |
| 3239 /* | |
| 3240 * for "old" tty systems | |
| 3241 */ | |
| 3242 # ifndef TIOCSETN | |
| 3243 # define TIOCSETN TIOCSETP /* for hpux 9.0 */ | |
| 3244 # endif | |
| 3245 static struct sgttyb ttybold; | |
| 3246 struct sgttyb ttybnew; | |
| 3247 | |
| 3248 if (first) | |
| 3249 { | |
| 3250 first = FALSE; | |
| 3251 ioctl(read_cmd_fd, TIOCGETP, &ttybold); | |
| 3252 } | |
| 3253 | |
| 3254 ttybnew = ttybold; | |
| 3255 if (tmode == TMODE_RAW) | |
| 3256 { | |
| 3257 ttybnew.sg_flags &= ~(CRMOD | ECHO); | |
| 3258 ttybnew.sg_flags |= RAW; | |
| 3259 } | |
| 3260 else if (tmode == TMODE_SLEEP) | |
| 3261 ttybnew.sg_flags &= ~(ECHO); | |
| 3262 ioctl(read_cmd_fd, TIOCSETN, &ttybnew); | |
| 3263 #endif | |
| 3264 curr_tmode = tmode; | |
| 3265 } | |
| 3266 | |
| 3267 /* | |
| 3268 * Try to get the code for "t_kb" from the stty setting | |
| 3269 * | |
| 3270 * Even if termcap claims a backspace key, the user's setting *should* | |
| 3271 * prevail. stty knows more about reality than termcap does, and if | |
| 3272 * somebody's usual erase key is DEL (which, for most BSD users, it will | |
| 3273 * be), they're going to get really annoyed if their erase key starts | |
| 3274 * doing forward deletes for no reason. (Eric Fischer) | |
| 3275 */ | |
| 3276 void | |
| 3277 get_stty() | |
| 3278 { | |
| 3279 char_u buf[2]; | |
| 3280 char_u *p; | |
| 3281 | |
| 3282 /* Why is NeXT excluded here (and not in os_unixx.h)? */ | |
| 3283 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__) | |
| 3284 /* for "new" tty systems */ | |
| 3285 # ifdef HAVE_TERMIOS_H | |
| 3286 struct termios keys; | |
| 3287 # else | |
| 3288 struct termio keys; | |
| 3289 # endif | |
| 3290 | |
| 3291 # if defined(HAVE_TERMIOS_H) | |
| 3292 if (tcgetattr(read_cmd_fd, &keys) != -1) | |
| 3293 # else | |
| 3294 if (ioctl(read_cmd_fd, TCGETA, &keys) != -1) | |
| 3295 # endif | |
| 3296 { | |
| 3297 buf[0] = keys.c_cc[VERASE]; | |
| 3298 intr_char = keys.c_cc[VINTR]; | |
| 3299 #else | |
| 3300 /* for "old" tty systems */ | |
| 3301 struct sgttyb keys; | |
| 3302 | |
| 3303 if (ioctl(read_cmd_fd, TIOCGETP, &keys) != -1) | |
| 3304 { | |
| 3305 buf[0] = keys.sg_erase; | |
| 3306 intr_char = keys.sg_kill; | |
| 3307 #endif | |
| 3308 buf[1] = NUL; | |
| 3309 add_termcode((char_u *)"kb", buf, FALSE); | |
| 3310 | |
| 3311 /* | |
| 3312 * If <BS> and <DEL> are now the same, redefine <DEL>. | |
| 3313 */ | |
| 3314 p = find_termcode((char_u *)"kD"); | |
| 3315 if (p != NULL && p[0] == buf[0] && p[1] == buf[1]) | |
| 3316 do_fixdel(NULL); | |
| 3317 } | |
| 3318 #if 0 | |
| 3319 } /* to keep cindent happy */ | |
| 3320 #endif | |
| 3321 } | |
| 3322 | |
| 3323 #endif /* VMS */ | |
| 3324 | |
| 3325 #if defined(FEAT_MOUSE_TTY) || defined(PROTO) | |
| 3326 /* | |
| 3327 * Set mouse clicks on or off. | |
| 3328 */ | |
| 3329 void | |
| 3330 mch_setmouse(on) | |
| 3331 int on; | |
| 3332 { | |
| 3333 static int ison = FALSE; | |
| 3334 int xterm_mouse_vers; | |
| 3335 | |
| 3336 if (on == ison) /* return quickly if nothing to do */ | |
| 3337 return; | |
| 3338 | |
| 3339 xterm_mouse_vers = use_xterm_mouse(); | |
| 3145 | 3340 |
| 3341 # ifdef FEAT_MOUSE_URXVT | |
| 3746 | 3342 if (ttym_flags == TTYM_URXVT) |
| 3343 { | |
| 3145 | 3344 out_str_nf((char_u *) |
| 3345 (on | |
| 3346 ? IF_EB("\033[?1015h", ESC_STR "[?1015h") | |
| 3347 : IF_EB("\033[?1015l", ESC_STR "[?1015l"))); | |
| 3348 ison = on; | |
| 3349 } | |
| 3350 # endif | |
| 3351 | |
| 3746 | 3352 # ifdef FEAT_MOUSE_SGR |
| 3353 if (ttym_flags == TTYM_SGR) | |
| 3354 { | |
| 3355 out_str_nf((char_u *) | |
| 3356 (on | |
| 3357 ? IF_EB("\033[?1006h", ESC_STR "[?1006h") | |
| 3358 : IF_EB("\033[?1006l", ESC_STR "[?1006l"))); | |
| 3359 ison = on; | |
| 3360 } | |
| 3361 # endif | |
| 3362 | |
| 7 | 3363 if (xterm_mouse_vers > 0) |
| 3364 { | |
| 3365 if (on) /* enable mouse events, use mouse tracking if available */ | |
| 3366 out_str_nf((char_u *) | |
| 3367 (xterm_mouse_vers > 1 | |
| 3368 ? IF_EB("\033[?1002h", ESC_STR "[?1002h") | |
| 3369 : IF_EB("\033[?1000h", ESC_STR "[?1000h"))); | |
| 3370 else /* disable mouse events, could probably always send the same */ | |
| 3371 out_str_nf((char_u *) | |
| 3372 (xterm_mouse_vers > 1 | |
| 3373 ? IF_EB("\033[?1002l", ESC_STR "[?1002l") | |
| 3374 : IF_EB("\033[?1000l", ESC_STR "[?1000l"))); | |
| 3375 ison = on; | |
| 3376 } | |
| 3377 | |
| 3378 # ifdef FEAT_MOUSE_DEC | |
| 3379 else if (ttym_flags == TTYM_DEC) | |
| 3380 { | |
| 3381 if (on) /* enable mouse events */ | |
| 3382 out_str_nf((char_u *)"\033[1;2'z\033[1;3'{"); | |
| 3383 else /* disable mouse events */ | |
| 3384 out_str_nf((char_u *)"\033['z"); | |
| 3385 ison = on; | |
| 3386 } | |
| 3387 # endif | |
| 3388 | |
| 3389 # ifdef FEAT_MOUSE_GPM | |
| 3390 else | |
| 3391 { | |
| 3392 if (on) | |
| 3393 { | |
| 3394 if (gpm_open()) | |
| 3395 ison = TRUE; | |
| 3396 } | |
| 3397 else | |
| 3398 { | |
| 3399 gpm_close(); | |
| 3400 ison = FALSE; | |
| 3401 } | |
| 3402 } | |
| 3403 # endif | |
| 3404 | |
| 1620 | 3405 # ifdef FEAT_SYSMOUSE |
| 3406 else | |
| 3407 { | |
| 3408 if (on) | |
| 3409 { | |
| 3410 if (sysmouse_open() == OK) | |
| 3411 ison = TRUE; | |
| 3412 } | |
| 3413 else | |
| 3414 { | |
| 3415 sysmouse_close(); | |
| 3416 ison = FALSE; | |
| 3417 } | |
| 3418 } | |
| 3419 # endif | |
| 3420 | |
| 7 | 3421 # ifdef FEAT_MOUSE_JSB |
| 3422 else | |
| 3423 { | |
| 3424 if (on) | |
| 3425 { | |
| 3426 /* D - Enable Mouse up/down messages | |
| 3427 * L - Enable Left Button Reporting | |
| 3428 * M - Enable Middle Button Reporting | |
| 3429 * R - Enable Right Button Reporting | |
| 3430 * K - Enable SHIFT and CTRL key Reporting | |
| 3431 * + - Enable Advanced messaging of mouse moves and up/down messages | |
| 3432 * Q - Quiet No Ack | |
| 3433 * # - Numeric value of mouse pointer required | |
| 3434 * 0 = Multiview 2000 cursor, used as standard | |
| 3435 * 1 = Windows Arrow | |
| 3436 * 2 = Windows I Beam | |
| 3437 * 3 = Windows Hour Glass | |
| 3438 * 4 = Windows Cross Hair | |
| 3439 * 5 = Windows UP Arrow | |
| 3440 */ | |
| 3441 #ifdef JSBTERM_MOUSE_NONADVANCED /* Disables full feedback of pointer movements */ | |
| 3442 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK1Q\033\\", | |
| 3443 ESC_STR "[0~ZwLMRK1Q" ESC_STR "\\")); | |
| 3444 #else | |
| 3445 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK+1Q\033\\", | |
| 3446 ESC_STR "[0~ZwLMRK+1Q" ESC_STR "\\")); | |
| 3447 #endif | |
| 3448 ison = TRUE; | |
| 3449 } | |
| 3450 else | |
| 3451 { | |
| 3452 out_str_nf((char_u *)IF_EB("\033[0~ZwQ\033\\", | |
| 3453 ESC_STR "[0~ZwQ" ESC_STR "\\")); | |
| 3454 ison = FALSE; | |
| 3455 } | |
| 3456 } | |
| 3457 # endif | |
| 3458 # ifdef FEAT_MOUSE_PTERM | |
| 3459 else | |
| 3460 { | |
| 3461 /* 1 = button press, 6 = release, 7 = drag, 1h...9l = right button */ | |
| 3462 if (on) | |
| 3463 out_str_nf("\033[>1h\033[>6h\033[>7h\033[>1h\033[>9l"); | |
| 3464 else | |
| 3465 out_str_nf("\033[>1l\033[>6l\033[>7l\033[>1l\033[>9h"); | |
| 3466 ison = on; | |
| 3467 } | |
| 3468 # endif | |
| 3469 } | |
| 3470 | |
| 3471 /* | |
| 3472 * Set the mouse termcode, depending on the 'term' and 'ttymouse' options. | |
| 3473 */ | |
| 3474 void | |
| 3475 check_mouse_termcode() | |
| 3476 { | |
| 3477 # ifdef FEAT_MOUSE_XTERM | |
| 3478 if (use_xterm_mouse() | |
| 3145 | 3479 # ifdef FEAT_MOUSE_URXVT |
| 3480 && use_xterm_mouse() != 3 | |
| 3481 # endif | |
| 7 | 3482 # ifdef FEAT_GUI |
| 3483 && !gui.in_use | |
| 3484 # endif | |
| 3485 ) | |
| 3486 { | |
| 3487 set_mouse_termcode(KS_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
| 180 | 3488 ? IF_EB("\233M", CSI_STR "M") |
| 3489 : IF_EB("\033[M", ESC_STR "[M"))); | |
| 7 | 3490 if (*p_mouse != NUL) |
| 3491 { | |
| 3492 /* force mouse off and maybe on to send possibly new mouse | |
| 3493 * activation sequence to the xterm, with(out) drag tracing. */ | |
| 3494 mch_setmouse(FALSE); | |
| 3495 setmouse(); | |
| 3496 } | |
| 3497 } | |
| 3498 else | |
| 3499 del_mouse_termcode(KS_MOUSE); | |
| 3500 # endif | |
| 3501 | |
| 3502 # ifdef FEAT_MOUSE_GPM | |
| 3503 if (!use_xterm_mouse() | |
| 3504 # ifdef FEAT_GUI | |
| 3505 && !gui.in_use | |
| 3506 # endif | |
| 3507 ) | |
| 3508 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MG", ESC_STR "MG")); | |
| 3509 # endif | |
| 3510 | |
| 1620 | 3511 # ifdef FEAT_SYSMOUSE |
| 3512 if (!use_xterm_mouse() | |
| 3513 # ifdef FEAT_GUI | |
| 3514 && !gui.in_use | |
| 3515 # endif | |
| 3516 ) | |
| 3517 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MS", ESC_STR "MS")); | |
| 3518 # endif | |
| 3519 | |
| 7 | 3520 # ifdef FEAT_MOUSE_JSB |
| 3521 /* conflicts with xterm mouse: "\033[" and "\033[M" ??? */ | |
| 3522 if (!use_xterm_mouse() | |
| 3523 # ifdef FEAT_GUI | |
| 3524 && !gui.in_use | |
| 3525 # endif | |
| 3526 ) | |
| 3527 set_mouse_termcode(KS_JSBTERM_MOUSE, | |
| 3528 (char_u *)IF_EB("\033[0~zw", ESC_STR "[0~zw")); | |
| 3529 else | |
| 3530 del_mouse_termcode(KS_JSBTERM_MOUSE); | |
| 3531 # endif | |
| 3532 | |
| 3533 # ifdef FEAT_MOUSE_NET | |
| 180 | 3534 /* There is no conflict, but one may type "ESC }" from Insert mode. Don't |
| 7 | 3535 * define it in the GUI or when using an xterm. */ |
| 3536 if (!use_xterm_mouse() | |
| 3537 # ifdef FEAT_GUI | |
| 3538 && !gui.in_use | |
| 3539 # endif | |
| 3540 ) | |
| 3541 set_mouse_termcode(KS_NETTERM_MOUSE, | |
| 3542 (char_u *)IF_EB("\033}", ESC_STR "}")); | |
| 3543 else | |
| 3544 del_mouse_termcode(KS_NETTERM_MOUSE); | |
| 3545 # endif | |
| 3546 | |
| 3547 # ifdef FEAT_MOUSE_DEC | |
| 3548 /* conflicts with xterm mouse: "\033[" and "\033[M" */ | |
| 3549 if (!use_xterm_mouse() | |
| 3550 # ifdef FEAT_GUI | |
| 3551 && !gui.in_use | |
| 3552 # endif | |
| 3553 ) | |
| 180 | 3554 set_mouse_termcode(KS_DEC_MOUSE, (char_u *)(term_is_8bit(T_NAME) |
| 3555 ? IF_EB("\233", CSI_STR) : IF_EB("\033[", ESC_STR "["))); | |
| 7 | 3556 else |
| 3557 del_mouse_termcode(KS_DEC_MOUSE); | |
| 3558 # endif | |
| 3559 # ifdef FEAT_MOUSE_PTERM | |
| 3560 /* same as the dec mouse */ | |
| 3561 if (!use_xterm_mouse() | |
| 3562 # ifdef FEAT_GUI | |
| 3563 && !gui.in_use | |
| 3564 # endif | |
| 3565 ) | |
| 3566 set_mouse_termcode(KS_PTERM_MOUSE, | |
| 3567 (char_u *) IF_EB("\033[", ESC_STR "[")); | |
| 3568 else | |
| 3569 del_mouse_termcode(KS_PTERM_MOUSE); | |
| 3570 # endif | |
| 3145 | 3571 # ifdef FEAT_MOUSE_URXVT |
| 3572 /* same as the dec mouse */ | |
| 3573 if (use_xterm_mouse() == 3 | |
| 3574 # ifdef FEAT_GUI | |
| 3575 && !gui.in_use | |
| 3576 # endif | |
| 3577 ) | |
| 3578 { | |
| 3579 set_mouse_termcode(KS_URXVT_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
| 3580 ? IF_EB("\233", CSI_STR) | |
| 3581 : IF_EB("\033[", ESC_STR "["))); | |
| 3582 | |
| 3583 if (*p_mouse != NUL) | |
| 3584 { | |
| 3585 mch_setmouse(FALSE); | |
| 3586 setmouse(); | |
| 3587 } | |
| 3588 } | |
| 3589 else | |
| 3590 del_mouse_termcode(KS_URXVT_MOUSE); | |
| 3591 # endif | |
| 3746 | 3592 # ifdef FEAT_MOUSE_SGR |
| 3593 /* same as the dec mouse */ | |
| 3594 if (use_xterm_mouse() == 4 | |
| 3595 # ifdef FEAT_GUI | |
| 3596 && !gui.in_use | |
| 3597 # endif | |
| 3598 ) | |
| 3599 { | |
| 3600 set_mouse_termcode(KS_SGR_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
| 3601 ? IF_EB("\233<", CSI_STR "<") | |
| 3602 : IF_EB("\033[<", ESC_STR "[<"))); | |
| 3603 | |
| 3604 if (*p_mouse != NUL) | |
| 3605 { | |
| 3606 mch_setmouse(FALSE); | |
| 3607 setmouse(); | |
| 3608 } | |
| 3609 } | |
| 3610 else | |
| 3611 del_mouse_termcode(KS_SGR_MOUSE); | |
| 3612 # endif | |
| 7 | 3613 } |
| 3614 #endif | |
| 3615 | |
| 3616 /* | |
| 3617 * set screen mode, always fails. | |
| 3618 */ | |
| 3619 int | |
| 3620 mch_screenmode(arg) | |
| 1877 | 3621 char_u *arg UNUSED; |
| 7 | 3622 { |
| 3623 EMSG(_(e_screenmode)); | |
| 3624 return FAIL; | |
| 3625 } | |
| 3626 | |
| 3627 #ifndef VMS | |
| 3628 | |
| 3629 /* | |
| 3630 * Try to get the current window size: | |
| 3631 * 1. with an ioctl(), most accurate method | |
| 3632 * 2. from the environment variables LINES and COLUMNS | |
| 3633 * 3. from the termcap | |
| 3634 * 4. keep using the old values | |
| 3635 * Return OK when size could be determined, FAIL otherwise. | |
| 3636 */ | |
| 3637 int | |
| 3638 mch_get_shellsize() | |
| 3639 { | |
| 3640 long rows = 0; | |
| 3641 long columns = 0; | |
| 3642 char_u *p; | |
| 3643 | |
| 3644 /* | |
| 3645 * For OS/2 use _scrsize(). | |
| 3646 */ | |
| 3647 # ifdef __EMX__ | |
| 3648 { | |
| 3649 int s[2]; | |
| 3650 | |
| 3651 _scrsize(s); | |
| 3652 columns = s[0]; | |
| 3653 rows = s[1]; | |
| 3654 } | |
| 3655 # endif | |
| 3656 | |
| 3657 /* | |
| 3658 * 1. try using an ioctl. It is the most accurate method. | |
| 3659 * | |
| 3660 * Try using TIOCGWINSZ first, some systems that have it also define | |
| 3661 * TIOCGSIZE but don't have a struct ttysize. | |
| 3662 */ | |
| 3663 # ifdef TIOCGWINSZ | |
| 3664 { | |
| 3665 struct winsize ws; | |
| 3666 int fd = 1; | |
| 3667 | |
| 3668 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
| 3669 if (!isatty(fd) && isatty(read_cmd_fd)) | |
| 3670 fd = read_cmd_fd; | |
| 3671 if (ioctl(fd, TIOCGWINSZ, &ws) == 0) | |
| 3672 { | |
| 3673 columns = ws.ws_col; | |
| 3674 rows = ws.ws_row; | |
| 3675 } | |
| 3676 } | |
| 3677 # else /* TIOCGWINSZ */ | |
| 3678 # ifdef TIOCGSIZE | |
| 3679 { | |
| 3680 struct ttysize ts; | |
| 3681 int fd = 1; | |
| 3682 | |
| 3683 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
| 3684 if (!isatty(fd) && isatty(read_cmd_fd)) | |
| 3685 fd = read_cmd_fd; | |
| 3686 if (ioctl(fd, TIOCGSIZE, &ts) == 0) | |
| 3687 { | |
| 3688 columns = ts.ts_cols; | |
| 3689 rows = ts.ts_lines; | |
| 3690 } | |
| 3691 } | |
| 3692 # endif /* TIOCGSIZE */ | |
| 3693 # endif /* TIOCGWINSZ */ | |
| 3694 | |
| 3695 /* | |
| 3696 * 2. get size from environment | |
| 164 | 3697 * When being POSIX compliant ('|' flag in 'cpoptions') this overrules |
| 3698 * the ioctl() values! | |
| 7 | 3699 */ |
| 164 | 3700 if (columns == 0 || rows == 0 || vim_strchr(p_cpo, CPO_TSIZE) != NULL) |
| 7 | 3701 { |
| 3702 if ((p = (char_u *)getenv("LINES"))) | |
| 3703 rows = atoi((char *)p); | |
| 3704 if ((p = (char_u *)getenv("COLUMNS"))) | |
| 3705 columns = atoi((char *)p); | |
| 3706 } | |
| 3707 | |
| 3708 #ifdef HAVE_TGETENT | |
| 3709 /* | |
| 3710 * 3. try reading "co" and "li" entries from termcap | |
| 3711 */ | |
| 3712 if (columns == 0 || rows == 0) | |
| 3713 getlinecol(&columns, &rows); | |
| 3714 #endif | |
| 3715 | |
| 3716 /* | |
| 3717 * 4. If everything fails, use the old values | |
| 3718 */ | |
| 3719 if (columns <= 0 || rows <= 0) | |
| 3720 return FAIL; | |
| 3721 | |
| 3722 Rows = rows; | |
| 3723 Columns = columns; | |
| 3724 return OK; | |
| 3725 } | |
| 3726 | |
| 3727 /* | |
| 3728 * Try to set the window size to Rows and Columns. | |
| 3729 */ | |
| 3730 void | |
| 3731 mch_set_shellsize() | |
| 3732 { | |
| 3733 if (*T_CWS) | |
| 3734 { | |
| 3735 /* | |
| 3736 * NOTE: if you get an error here that term_set_winsize() is | |
| 3737 * undefined, check the output of configure. It could probably not | |
| 3738 * find a ncurses, termcap or termlib library. | |
| 3739 */ | |
| 3740 term_set_winsize((int)Rows, (int)Columns); | |
| 3741 out_flush(); | |
| 3742 screen_start(); /* don't know where cursor is now */ | |
| 3743 } | |
| 3744 } | |
| 3745 | |
| 3746 #endif /* VMS */ | |
| 3747 | |
| 3748 /* | |
| 3749 * Rows and/or Columns has changed. | |
| 3750 */ | |
| 3751 void | |
| 3752 mch_new_shellsize() | |
| 3753 { | |
| 3754 /* Nothing to do. */ | |
| 3755 } | |
| 3756 | |
| 3048 | 3757 /* |
| 3758 * Wait for process "child" to end. | |
| 3759 * Return "child" if it exited properly, <= 0 on error. | |
| 3760 */ | |
| 3761 static pid_t | |
| 3762 wait4pid(child, status) | |
| 3763 pid_t child; | |
| 3764 waitstatus *status; | |
| 3765 { | |
| 3766 pid_t wait_pid = 0; | |
| 3767 | |
| 3768 while (wait_pid != child) | |
| 3769 { | |
| 3470 | 3770 /* When compiled with Python threads are probably used, in which case |
| 3771 * wait() sometimes hangs for no obvious reason. Use waitpid() | |
| 3772 * instead and loop (like the GUI). Also needed for other interfaces, | |
| 3773 * they might call system(). */ | |
| 3774 # ifdef __NeXT__ | |
| 3048 | 3775 wait_pid = wait4(child, status, WNOHANG, (struct rusage *)0); |
| 3470 | 3776 # else |
| 3048 | 3777 wait_pid = waitpid(child, status, WNOHANG); |
| 3470 | 3778 # endif |
| 3048 | 3779 if (wait_pid == 0) |
| 3780 { | |
| 3781 /* Wait for 1/100 sec before trying again. */ | |
| 3782 mch_delay(10L, TRUE); | |
| 3783 continue; | |
| 3784 } | |
| 3785 if (wait_pid <= 0 | |
| 3786 # ifdef ECHILD | |
| 3787 && errno == ECHILD | |
| 3788 # endif | |
| 3789 ) | |
| 3790 break; | |
| 3791 } | |
| 3792 return wait_pid; | |
| 3793 } | |
| 3794 | |
| 7 | 3795 int |
| 3796 mch_call_shell(cmd, options) | |
| 3797 char_u *cmd; | |
| 3798 int options; /* SHELL_*, see vim.h */ | |
| 3799 { | |
| 3800 #ifdef VMS | |
| 3801 char *ifn = NULL; | |
| 3802 char *ofn = NULL; | |
| 3803 #endif | |
| 3804 int tmode = cur_tmode; | |
| 3805 #ifdef USE_SYSTEM /* use system() to start the shell: simple but slow */ | |
| 3806 int x; | |
| 3807 # ifndef __EMX__ | |
| 3808 char_u *newcmd; /* only needed for unix */ | |
| 3809 # else | |
| 3810 /* | |
| 3811 * Set the preferred shell in the EMXSHELL environment variable (but | |
| 3812 * only if it is different from what is already in the environment). | |
| 3813 * Emx then takes care of whether to use "/c" or "-c" in an | |
| 3814 * intelligent way. Simply pass the whole thing to emx's system() call. | |
| 3815 * Emx also starts an interactive shell if system() is passed an empty | |
| 3816 * string. | |
| 3817 */ | |
| 3818 char_u *p, *old; | |
| 3819 | |
| 3820 if (((old = (char_u *)getenv("EMXSHELL")) == NULL) || STRCMP(old, p_sh)) | |
| 3821 { | |
| 3822 /* should check HAVE_SETENV, but I know we don't have it. */ | |
| 3823 p = alloc(10 + strlen(p_sh)); | |
| 3824 if (p) | |
| 3825 { | |
| 3826 sprintf((char *)p, "EMXSHELL=%s", p_sh); | |
| 3827 putenv((char *)p); /* don't free the pointer! */ | |
| 3828 } | |
| 3829 } | |
| 3830 # endif | |
| 3831 | |
| 3832 out_flush(); | |
| 3833 | |
| 3834 if (options & SHELL_COOKED) | |
| 3835 settmode(TMODE_COOK); /* set to normal mode */ | |
| 3836 | |
| 2586 | 3837 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 3838 loose_clipboard(); | |
| 3839 # endif | |
| 3840 | |
| 7 | 3841 # ifdef __EMX__ |
| 3842 if (cmd == NULL) | |
| 3843 x = system(""); /* this starts an interactive shell in emx */ | |
| 3844 else | |
| 3845 x = system((char *)cmd); | |
| 3846 /* system() returns -1 when error occurs in starting shell */ | |
| 3847 if (x == -1 && !emsg_silent) | |
| 3848 { | |
| 3849 MSG_PUTS(_("\nCannot execute shell ")); | |
| 3850 msg_outtrans(p_sh); | |
| 3851 msg_putchar('\n'); | |
| 3852 } | |
| 3853 # else /* not __EMX__ */ | |
| 3854 if (cmd == NULL) | |
| 3855 x = system((char *)p_sh); | |
| 3856 else | |
| 3857 { | |
| 3858 # ifdef VMS | |
| 3859 if (ofn = strchr((char *)cmd, '>')) | |
| 3860 *ofn++ = '\0'; | |
| 3861 if (ifn = strchr((char *)cmd, '<')) | |
| 3862 { | |
| 3863 char *p; | |
| 3864 | |
| 3865 *ifn++ = '\0'; | |
| 3866 p = strchr(ifn,' '); /* chop off any trailing spaces */ | |
| 3867 if (p) | |
| 3868 *p = '\0'; | |
| 3869 } | |
| 3870 if (ofn) | |
| 3871 x = vms_sys((char *)cmd, ofn, ifn); | |
| 3872 else | |
| 3873 x = system((char *)cmd); | |
| 3874 # else | |
| 3875 newcmd = lalloc(STRLEN(p_sh) | |
| 3876 + (extra_shell_arg == NULL ? 0 : STRLEN(extra_shell_arg)) | |
| 3877 + STRLEN(p_shcf) + STRLEN(cmd) + 4, TRUE); | |
| 3878 if (newcmd == NULL) | |
| 3879 x = 0; | |
| 3880 else | |
| 3881 { | |
| 3882 sprintf((char *)newcmd, "%s %s %s %s", p_sh, | |
| 3883 extra_shell_arg == NULL ? "" : (char *)extra_shell_arg, | |
| 3884 (char *)p_shcf, | |
| 3885 (char *)cmd); | |
| 3886 x = system((char *)newcmd); | |
| 3887 vim_free(newcmd); | |
| 3888 } | |
| 3889 # endif | |
| 3890 } | |
| 3891 # ifdef VMS | |
| 3892 x = vms_sys_status(x); | |
| 3893 # endif | |
| 3894 if (emsg_silent) | |
| 3895 ; | |
| 3896 else if (x == 127) | |
| 3897 MSG_PUTS(_("\nCannot execute shell sh\n")); | |
| 3898 # endif /* __EMX__ */ | |
| 3899 else if (x && !(options & SHELL_SILENT)) | |
| 3900 { | |
| 3901 MSG_PUTS(_("\nshell returned ")); | |
| 3902 msg_outnum((long)x); | |
| 3903 msg_putchar('\n'); | |
| 3904 } | |
| 3905 | |
| 3906 if (tmode == TMODE_RAW) | |
| 3907 settmode(TMODE_RAW); /* set to raw mode */ | |
| 3908 # ifdef FEAT_TITLE | |
| 3909 resettitle(); | |
| 3910 # endif | |
| 3911 return x; | |
| 3912 | |
| 3913 #else /* USE_SYSTEM */ /* don't use system(), use fork()/exec() */ | |
| 3914 | |
| 167 | 3915 # define EXEC_FAILED 122 /* Exit code when shell didn't execute. Don't use |
| 3916 127, some shells use that already */ | |
| 7 | 3917 |
| 3918 char_u *newcmd = NULL; | |
| 3919 pid_t pid; | |
| 167 | 3920 pid_t wpid = 0; |
| 7 | 3921 pid_t wait_pid = 0; |
| 3922 # ifdef HAVE_UNION_WAIT | |
| 3923 union wait status; | |
| 3924 # else | |
| 3925 int status = -1; | |
| 3926 # endif | |
| 3927 int retval = -1; | |
| 3928 char **argv = NULL; | |
| 3929 int argc; | |
| 2994 | 3930 char_u *p_shcf_copy = NULL; |
| 7 | 3931 int i; |
| 3932 char_u *p; | |
| 3933 int inquote; | |
| 167 | 3934 int pty_master_fd = -1; /* for pty's */ |
| 7 | 3935 # ifdef FEAT_GUI |
| 3936 int pty_slave_fd = -1; | |
| 3937 char *tty_name; | |
| 167 | 3938 # endif |
| 602 | 3939 int fd_toshell[2]; /* for pipes */ |
| 7 | 3940 int fd_fromshell[2]; |
| 3941 int pipe_error = FALSE; | |
| 167 | 3942 # ifdef HAVE_SETENV |
| 7 | 3943 char envbuf[50]; |
| 167 | 3944 # else |
| 7 | 3945 static char envbuf_Rows[20]; |
| 3946 static char envbuf_Columns[20]; | |
| 3947 # endif | |
| 602 | 3948 int did_settmode = FALSE; /* settmode(TMODE_RAW) called */ |
| 7 | 3949 |
| 2586 | 3950 newcmd = vim_strsave(p_sh); |
| 3951 if (newcmd == NULL) /* out of memory */ | |
| 3952 goto error; | |
| 3953 | |
| 7 | 3954 out_flush(); |
| 3955 if (options & SHELL_COOKED) | |
| 3956 settmode(TMODE_COOK); /* set to normal mode */ | |
| 3957 | |
| 2586 | 3958 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 3959 loose_clipboard(); | |
| 3960 # endif | |
| 602 | 3961 |
| 3962 /* | |
| 3963 * Do this loop twice: | |
| 3964 * 1: find number of arguments | |
| 3965 * 2: separate them and build argv[] | |
| 3966 */ | |
| 7 | 3967 for (i = 0; i < 2; ++i) |
| 3968 { | |
| 3969 p = newcmd; | |
| 3970 inquote = FALSE; | |
| 3971 argc = 0; | |
| 3972 for (;;) | |
| 3973 { | |
| 3974 if (i == 1) | |
| 3975 argv[argc] = (char *)p; | |
| 3976 ++argc; | |
| 3977 while (*p && (inquote || (*p != ' ' && *p != TAB))) | |
| 3978 { | |
| 3979 if (*p == '"') | |
| 3980 inquote = !inquote; | |
| 3981 ++p; | |
| 3982 } | |
| 3983 if (*p == NUL) | |
| 3984 break; | |
| 3985 if (i == 1) | |
| 3986 *p++ = NUL; | |
| 3987 p = skipwhite(p); | |
| 3988 } | |
| 840 | 3989 if (argv == NULL) |
| 7 | 3990 { |
| 2994 | 3991 /* |
| 3992 * Account for possible multiple args in p_shcf. | |
| 3993 */ | |
| 3994 p = p_shcf; | |
| 3995 for (;;) | |
| 3996 { | |
| 3997 p = skiptowhite(p); | |
| 3998 if (*p == NUL) | |
| 3999 break; | |
| 4000 ++argc; | |
| 4001 p = skipwhite(p); | |
| 4002 } | |
| 4003 | |
| 7 | 4004 argv = (char **)alloc((unsigned)((argc + 4) * sizeof(char *))); |
| 4005 if (argv == NULL) /* out of memory */ | |
| 4006 goto error; | |
| 4007 } | |
| 4008 } | |
| 4009 if (cmd != NULL) | |
| 4010 { | |
| 3263 | 4011 char_u *s; |
| 4012 | |
| 7 | 4013 if (extra_shell_arg != NULL) |
| 4014 argv[argc++] = (char *)extra_shell_arg; | |
| 2994 | 4015 |
| 4016 /* Break 'shellcmdflag' into white separated parts. This doesn't | |
| 4017 * handle quoted strings, they are very unlikely to appear. */ | |
| 4018 p_shcf_copy = alloc((unsigned)STRLEN(p_shcf) + 1); | |
| 4019 if (p_shcf_copy == NULL) /* out of memory */ | |
| 4020 goto error; | |
| 4021 s = p_shcf_copy; | |
| 4022 p = p_shcf; | |
| 4023 while (*p != NUL) | |
| 4024 { | |
| 4025 argv[argc++] = (char *)s; | |
| 4026 while (*p && *p != ' ' && *p != TAB) | |
| 4027 *s++ = *p++; | |
| 4028 *s++ = NUL; | |
| 4029 p = skipwhite(p); | |
| 4030 } | |
| 4031 | |
| 7 | 4032 argv[argc++] = (char *)cmd; |
| 4033 } | |
| 4034 argv[argc] = NULL; | |
| 4035 | |
| 167 | 4036 /* |
| 4037 * For the GUI, when writing the output into the buffer and when reading | |
| 4038 * input from the buffer: Try using a pseudo-tty to get the stdin/stdout | |
| 4039 * of the executed command into the Vim window. Or use a pipe. | |
| 4040 */ | |
| 4041 if ((options & (SHELL_READ|SHELL_WRITE)) | |
| 7 | 4042 # ifdef FEAT_GUI |
| 167 | 4043 || (gui.in_use && show_shell_mess) |
| 4044 # endif | |
| 4045 ) | |
| 7 | 4046 { |
| 167 | 4047 # ifdef FEAT_GUI |
| 7 | 4048 /* |
| 4049 * Try to open a master pty. | |
| 4050 * If this works, open the slave pty. | |
| 4051 * If the slave can't be opened, close the master pty. | |
| 4052 */ | |
| 167 | 4053 if (p_guipty && !(options & (SHELL_READ|SHELL_WRITE))) |
| 7 | 4054 { |
| 4055 pty_master_fd = OpenPTY(&tty_name); /* open pty */ | |
| 2992 | 4056 if (pty_master_fd >= 0) |
| 7 | 4057 { |
| 2992 | 4058 /* Leaving out O_NOCTTY may lead to waitpid() always returning |
| 4059 * 0 on Mac OS X 10.7 thereby causing freezes. Let's assume | |
| 4060 * adding O_NOCTTY always works when defined. */ | |
| 4061 #ifdef O_NOCTTY | |
| 4062 pty_slave_fd = open(tty_name, O_RDWR | O_NOCTTY | O_EXTRA, 0); | |
| 4063 #else | |
| 4064 pty_slave_fd = open(tty_name, O_RDWR | O_EXTRA, 0); | |
| 4065 #endif | |
| 4066 if (pty_slave_fd < 0) | |
| 4067 { | |
| 4068 close(pty_master_fd); | |
| 4069 pty_master_fd = -1; | |
| 4070 } | |
| 7 | 4071 } |
| 4072 } | |
| 4073 /* | |
| 4074 * If not opening a pty or it didn't work, try using pipes. | |
| 4075 */ | |
| 4076 if (pty_master_fd < 0) | |
| 167 | 4077 # endif |
| 7 | 4078 { |
| 4079 pipe_error = (pipe(fd_toshell) < 0); | |
| 4080 if (!pipe_error) /* pipe create OK */ | |
| 4081 { | |
| 4082 pipe_error = (pipe(fd_fromshell) < 0); | |
| 4083 if (pipe_error) /* pipe create failed */ | |
| 4084 { | |
| 4085 close(fd_toshell[0]); | |
| 4086 close(fd_toshell[1]); | |
| 4087 } | |
| 4088 } | |
| 4089 if (pipe_error) | |
| 4090 { | |
| 4091 MSG_PUTS(_("\nCannot create pipes\n")); | |
| 4092 out_flush(); | |
| 4093 } | |
| 4094 } | |
| 4095 } | |
| 4096 | |
| 4097 if (!pipe_error) /* pty or pipe opened or not used */ | |
| 4098 { | |
| 4099 # ifdef __BEOS__ | |
| 4100 beos_cleanup_read_thread(); | |
| 4101 # endif | |
| 602 | 4102 |
| 7 | 4103 if ((pid = fork()) == -1) /* maybe we should use vfork() */ |
| 4104 { | |
| 4105 MSG_PUTS(_("\nCannot fork\n")); | |
| 167 | 4106 if ((options & (SHELL_READ|SHELL_WRITE)) |
| 7 | 4107 # ifdef FEAT_GUI |
| 167 | 4108 || (gui.in_use && show_shell_mess) |
| 4109 # endif | |
| 4110 ) | |
| 7 | 4111 { |
| 167 | 4112 # ifdef FEAT_GUI |
| 7 | 4113 if (pty_master_fd >= 0) /* close the pseudo tty */ |
| 4114 { | |
| 4115 close(pty_master_fd); | |
| 4116 close(pty_slave_fd); | |
| 4117 } | |
| 4118 else /* close the pipes */ | |
| 167 | 4119 # endif |
| 7 | 4120 { |
| 4121 close(fd_toshell[0]); | |
| 4122 close(fd_toshell[1]); | |
| 4123 close(fd_fromshell[0]); | |
| 4124 close(fd_fromshell[1]); | |
| 4125 } | |
| 4126 } | |
| 4127 } | |
| 4128 else if (pid == 0) /* child */ | |
| 4129 { | |
| 4130 reset_signals(); /* handle signals normally */ | |
| 4131 | |
| 4132 if (!show_shell_mess || (options & SHELL_EXPAND)) | |
| 4133 { | |
| 4134 int fd; | |
| 4135 | |
| 4136 /* | |
| 4137 * Don't want to show any message from the shell. Can't just | |
| 4138 * close stdout and stderr though, because some systems will | |
| 4139 * break if you try to write to them after that, so we must | |
| 4140 * use dup() to replace them with something else -- webb | |
| 4141 * Connect stdin to /dev/null too, so ":n `cat`" doesn't hang, | |
| 4142 * waiting for input. | |
| 4143 */ | |
| 4144 fd = open("/dev/null", O_RDWR | O_EXTRA, 0); | |
| 4145 fclose(stdin); | |
| 4146 fclose(stdout); | |
| 4147 fclose(stderr); | |
| 4148 | |
| 4149 /* | |
| 4150 * If any of these open()'s and dup()'s fail, we just continue | |
| 4151 * anyway. It's not fatal, and on most systems it will make | |
| 4152 * no difference at all. On a few it will cause the execvp() | |
| 4153 * to exit with a non-zero status even when the completion | |
| 4154 * could be done, which is nothing too serious. If the open() | |
| 4155 * or dup() failed we'd just do the same thing ourselves | |
| 4156 * anyway -- webb | |
| 4157 */ | |
| 4158 if (fd >= 0) | |
| 4159 { | |
| 1757 | 4160 ignored = dup(fd); /* To replace stdin (fd 0) */ |
| 4161 ignored = dup(fd); /* To replace stdout (fd 1) */ | |
| 4162 ignored = dup(fd); /* To replace stderr (fd 2) */ | |
| 7 | 4163 |
| 4164 /* Don't need this now that we've duplicated it */ | |
| 4165 close(fd); | |
| 4166 } | |
| 4167 } | |
| 167 | 4168 else if ((options & (SHELL_READ|SHELL_WRITE)) |
| 7 | 4169 # ifdef FEAT_GUI |
| 167 | 4170 || gui.in_use |
| 4171 # endif | |
| 4172 ) | |
| 7 | 4173 { |
| 4174 | |
| 167 | 4175 # ifdef HAVE_SETSID |
| 602 | 4176 /* Create our own process group, so that the child and all its |
| 4177 * children can be kill()ed. Don't do this when using pipes, | |
| 1698 | 4178 * because stdin is not a tty, we would lose /dev/tty. */ |
| 602 | 4179 if (p_stmp) |
| 1799 | 4180 { |
| 602 | 4181 (void)setsid(); |
| 1799 | 4182 # if defined(SIGHUP) |
| 4183 /* When doing "!xterm&" and 'shell' is bash: the shell | |
| 4184 * will exit and send SIGHUP to all processes in its | |
| 4185 * group, killing the just started process. Ignore SIGHUP | |
| 4186 * to avoid that. (suggested by Simon Schubert) | |
| 4187 */ | |
| 4188 signal(SIGHUP, SIG_IGN); | |
| 4189 # endif | |
| 4190 } | |
| 167 | 4191 # endif |
| 4192 # ifdef FEAT_GUI | |
| 602 | 4193 if (pty_slave_fd >= 0) |
| 4194 { | |
| 4195 /* push stream discipline modules */ | |
| 4196 if (options & SHELL_COOKED) | |
| 4197 SetupSlavePTY(pty_slave_fd); | |
| 7 | 4198 # ifdef TIOCSCTTY |
| 602 | 4199 /* Try to become controlling tty (probably doesn't work, |
| 4200 * unless run by root) */ | |
| 4201 ioctl(pty_slave_fd, TIOCSCTTY, (char *)NULL); | |
| 7 | 4202 # endif |
| 602 | 4203 } |
| 167 | 4204 # endif |
| 7 | 4205 /* Simulate to have a dumb terminal (for now) */ |
| 167 | 4206 # ifdef HAVE_SETENV |
| 7 | 4207 setenv("TERM", "dumb", 1); |
| 4208 sprintf((char *)envbuf, "%ld", Rows); | |
| 4209 setenv("ROWS", (char *)envbuf, 1); | |
| 4210 sprintf((char *)envbuf, "%ld", Rows); | |
| 4211 setenv("LINES", (char *)envbuf, 1); | |
| 4212 sprintf((char *)envbuf, "%ld", Columns); | |
| 4213 setenv("COLUMNS", (char *)envbuf, 1); | |
| 167 | 4214 # else |
| 7 | 4215 /* |
| 4216 * Putenv does not copy the string, it has to remain valid. | |
| 1698 | 4217 * Use a static array to avoid losing allocated memory. |
| 7 | 4218 */ |
| 4219 putenv("TERM=dumb"); | |
| 4220 sprintf(envbuf_Rows, "ROWS=%ld", Rows); | |
| 4221 putenv(envbuf_Rows); | |
| 4222 sprintf(envbuf_Rows, "LINES=%ld", Rows); | |
| 4223 putenv(envbuf_Rows); | |
| 4224 sprintf(envbuf_Columns, "COLUMNS=%ld", Columns); | |
| 4225 putenv(envbuf_Columns); | |
| 167 | 4226 # endif |
| 4227 | |
| 557 | 4228 /* |
| 4229 * stderr is only redirected when using the GUI, so that a | |
| 4230 * program like gpg can still access the terminal to get a | |
| 4231 * passphrase using stderr. | |
| 4232 */ | |
| 167 | 4233 # ifdef FEAT_GUI |
| 7 | 4234 if (pty_master_fd >= 0) |
| 4235 { | |
| 4236 close(pty_master_fd); /* close master side of pty */ | |
| 4237 | |
| 4238 /* set up stdin/stdout/stderr for the child */ | |
| 4239 close(0); | |
| 1757 | 4240 ignored = dup(pty_slave_fd); |
| 7 | 4241 close(1); |
| 1757 | 4242 ignored = dup(pty_slave_fd); |
| 557 | 4243 if (gui.in_use) |
| 4244 { | |
| 4245 close(2); | |
| 1757 | 4246 ignored = dup(pty_slave_fd); |
| 557 | 4247 } |
| 7 | 4248 |
| 4249 close(pty_slave_fd); /* has been dupped, close it now */ | |
| 4250 } | |
| 4251 else | |
| 167 | 4252 # endif |
| 7 | 4253 { |
| 4254 /* set up stdin for the child */ | |
| 4255 close(fd_toshell[1]); | |
| 4256 close(0); | |
| 1757 | 4257 ignored = dup(fd_toshell[0]); |
| 7 | 4258 close(fd_toshell[0]); |
| 4259 | |
| 4260 /* set up stdout for the child */ | |
| 4261 close(fd_fromshell[0]); | |
| 4262 close(1); | |
| 1757 | 4263 ignored = dup(fd_fromshell[1]); |
| 7 | 4264 close(fd_fromshell[1]); |
| 4265 | |
| 557 | 4266 # ifdef FEAT_GUI |
| 4267 if (gui.in_use) | |
| 4268 { | |
| 4269 /* set up stderr for the child */ | |
| 4270 close(2); | |
| 1757 | 4271 ignored = dup(1); |
| 557 | 4272 } |
| 4273 # endif | |
| 7 | 4274 } |
| 4275 } | |
| 167 | 4276 |
| 7 | 4277 /* |
| 4278 * There is no type cast for the argv, because the type may be | |
| 4279 * different on different machines. This may cause a warning | |
| 4280 * message with strict compilers, don't worry about it. | |
| 4281 * Call _exit() instead of exit() to avoid closing the connection | |
| 4282 * to the X server (esp. with GTK, which uses atexit()). | |
| 4283 */ | |
| 4284 execvp(argv[0], argv); | |
| 4285 _exit(EXEC_FAILED); /* exec failed, return failure code */ | |
| 4286 } | |
| 4287 else /* parent */ | |
| 4288 { | |
| 4289 /* | |
| 4290 * While child is running, ignore terminating signals. | |
| 167 | 4291 * Do catch CTRL-C, so that "got_int" is set. |
| 7 | 4292 */ |
| 4293 catch_signals(SIG_IGN, SIG_ERR); | |
| 167 | 4294 catch_int_signal(); |
| 7 | 4295 |
| 4296 /* | |
| 4297 * For the GUI we redirect stdin, stdout and stderr to our window. | |
| 167 | 4298 * This is also used to pipe stdin/stdout to/from the external |
| 4299 * command. | |
| 7 | 4300 */ |
| 167 | 4301 if ((options & (SHELL_READ|SHELL_WRITE)) |
| 4302 # ifdef FEAT_GUI | |
| 4303 || (gui.in_use && show_shell_mess) | |
| 4304 # endif | |
| 4305 ) | |
| 7 | 4306 { |
| 167 | 4307 # define BUFLEN 100 /* length for buffer, pseudo tty limit is 128 */ |
| 7 | 4308 char_u buffer[BUFLEN + 1]; |
| 167 | 4309 # ifdef FEAT_MBYTE |
| 7 | 4310 int buffer_off = 0; /* valid bytes in buffer[] */ |
| 167 | 4311 # endif |
| 7 | 4312 char_u ta_buf[BUFLEN + 1]; /* TypeAHead */ |
| 4313 int ta_len = 0; /* valid bytes in ta_buf[] */ | |
| 4314 int len; | |
| 4315 int p_more_save; | |
| 4316 int old_State; | |
| 4317 int c; | |
| 4318 int toshell_fd; | |
| 4319 int fromshell_fd; | |
| 167 | 4320 garray_T ga; |
| 4321 int noread_cnt; | |
| 1823 | 4322 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
| 4323 struct timeval start_tv; | |
| 4324 # endif | |
| 167 | 4325 |
| 4326 # ifdef FEAT_GUI | |
| 7 | 4327 if (pty_master_fd >= 0) |
| 4328 { | |
| 4329 fromshell_fd = pty_master_fd; | |
| 4330 toshell_fd = dup(pty_master_fd); | |
| 4331 } | |
| 4332 else | |
| 167 | 4333 # endif |
| 7 | 4334 { |
| 4335 close(fd_toshell[0]); | |
| 4336 close(fd_fromshell[1]); | |
| 4337 toshell_fd = fd_toshell[1]; | |
| 4338 fromshell_fd = fd_fromshell[0]; | |
| 4339 } | |
| 4340 | |
| 4341 /* | |
| 4342 * Write to the child if there are typed characters. | |
| 4343 * Read from the child if there are characters available. | |
| 4344 * Repeat the reading a few times if more characters are | |
| 4345 * available. Need to check for typed keys now and then, but | |
| 4346 * not too often (delays when no chars are available). | |
| 4347 * This loop is quit if no characters can be read from the pty | |
| 4348 * (WaitForChar detected special condition), or there are no | |
| 4349 * characters available and the child has exited. | |
| 4350 * Only check if the child has exited when there is no more | |
| 4351 * output. The child may exit before all the output has | |
| 4352 * been printed. | |
| 4353 * | |
| 4354 * Currently this busy loops! | |
| 4355 * This can probably dead-lock when the write blocks! | |
| 4356 */ | |
| 4357 p_more_save = p_more; | |
| 4358 p_more = FALSE; | |
| 4359 old_State = State; | |
| 4360 State = EXTERNCMD; /* don't redraw at window resize */ | |
| 4361 | |
| 602 | 4362 if ((options & SHELL_WRITE) && toshell_fd >= 0) |
| 167 | 4363 { |
| 4364 /* Fork a process that will write the lines to the | |
| 4365 * external program. */ | |
| 4366 if ((wpid = fork()) == -1) | |
| 4367 { | |
| 4368 MSG_PUTS(_("\nCannot fork\n")); | |
| 4369 } | |
| 3048 | 4370 else if (wpid == 0) /* child */ |
| 167 | 4371 { |
| 4372 linenr_T lnum = curbuf->b_op_start.lnum; | |
| 4373 int written = 0; | |
| 944 | 4374 char_u *lp = ml_get(lnum); |
| 167 | 4375 size_t l; |
| 4376 | |
| 177 | 4377 close(fromshell_fd); |
| 167 | 4378 for (;;) |
| 4379 { | |
| 944 | 4380 l = STRLEN(lp + written); |
| 167 | 4381 if (l == 0) |
| 4382 len = 0; | |
| 944 | 4383 else if (lp[written] == NL) |
| 167 | 4384 /* NL -> NUL translation */ |
| 4385 len = write(toshell_fd, "", (size_t)1); | |
| 4386 else | |
| 4387 { | |
| 3263 | 4388 char_u *s = vim_strchr(lp + written, NL); |
| 4389 | |
| 944 | 4390 len = write(toshell_fd, (char *)lp + written, |
| 1877 | 4391 s == NULL ? l |
| 4392 : (size_t)(s - (lp + written))); | |
| 167 | 4393 } |
| 1877 | 4394 if (len == (int)l) |
| 167 | 4395 { |
| 4396 /* Finished a line, add a NL, unless this line | |
| 4397 * should not have one. */ | |
| 4398 if (lnum != curbuf->b_op_end.lnum | |
| 4399 || !curbuf->b_p_bin | |
| 2707 | 4400 || (lnum != curbuf->b_no_eol_lnum |
| 167 | 4401 && (lnum != |
| 4402 curbuf->b_ml.ml_line_count | |
| 4403 || curbuf->b_p_eol))) | |
| 1757 | 4404 ignored = write(toshell_fd, "\n", |
| 4405 (size_t)1); | |
| 167 | 4406 ++lnum; |
| 4407 if (lnum > curbuf->b_op_end.lnum) | |
| 4408 { | |
| 4409 /* finished all the lines, close pipe */ | |
| 4410 close(toshell_fd); | |
| 4411 toshell_fd = -1; | |
| 4412 break; | |
| 4413 } | |
| 944 | 4414 lp = ml_get(lnum); |
| 167 | 4415 written = 0; |
| 4416 } | |
| 4417 else if (len > 0) | |
| 4418 written += len; | |
| 4419 } | |
| 4420 _exit(0); | |
| 4421 } | |
| 3048 | 4422 else /* parent */ |
| 167 | 4423 { |
| 4424 close(toshell_fd); | |
| 4425 toshell_fd = -1; | |
| 4426 } | |
| 4427 } | |
| 4428 | |
| 4429 if (options & SHELL_READ) | |
| 4430 ga_init2(&ga, 1, BUFLEN); | |
| 4431 | |
| 4432 noread_cnt = 0; | |
| 1823 | 4433 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
| 4434 gettimeofday(&start_tv, NULL); | |
| 4435 # endif | |
| 7 | 4436 for (;;) |
| 4437 { | |
| 4438 /* | |
| 4439 * Check if keys have been typed, write them to the child | |
| 592 | 4440 * if there are any. |
| 4441 * Don't do this if we are expanding wild cards (would eat | |
| 4442 * typeahead). | |
| 4443 * Don't do this when filtering and terminal is in cooked | |
| 4444 * mode, the shell command will handle the I/O. Avoids | |
| 4445 * that a typed password is echoed for ssh or gpg command. | |
| 602 | 4446 * Don't get characters when the child has already |
| 4447 * finished (wait_pid == 0). | |
| 167 | 4448 * Don't read characters unless we didn't get output for a |
| 1823 | 4449 * while (noread_cnt > 4), avoids that ":r !ls" eats |
| 4450 * typeahead. | |
| 7 | 4451 */ |
| 4452 len = 0; | |
| 4453 if (!(options & SHELL_EXPAND) | |
| 592 | 4454 && ((options & |
| 4455 (SHELL_READ|SHELL_WRITE|SHELL_COOKED)) | |
| 4456 != (SHELL_READ|SHELL_WRITE|SHELL_COOKED) | |
| 1823 | 4457 # ifdef FEAT_GUI |
| 592 | 4458 || gui.in_use |
| 1823 | 4459 # endif |
| 592 | 4460 ) |
| 602 | 4461 && wait_pid == 0 |
| 1823 | 4462 && (ta_len > 0 || noread_cnt > 4)) |
| 7 | 4463 { |
| 1823 | 4464 if (ta_len == 0) |
| 4465 { | |
| 4466 /* Get extra characters when we don't have any. | |
| 4467 * Reset the counter and timer. */ | |
| 4468 noread_cnt = 0; | |
| 4469 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 4470 gettimeofday(&start_tv, NULL); | |
| 4471 # endif | |
| 4472 len = ui_inchar(ta_buf, BUFLEN, 10L, 0); | |
| 4473 } | |
| 4474 if (ta_len > 0 || len > 0) | |
| 4475 { | |
| 7 | 4476 /* |
| 4477 * For pipes: | |
| 4478 * Check for CTRL-C: send interrupt signal to child. | |
| 4479 * Check for CTRL-D: EOF, close pipe to child. | |
| 4480 */ | |
| 4481 if (len == 1 && (pty_master_fd < 0 || cmd != NULL)) | |
| 4482 { | |
| 167 | 4483 # ifdef SIGINT |
| 7 | 4484 /* |
| 4485 * Send SIGINT to the child's group or all | |
| 4486 * processes in our group. | |
| 4487 */ | |
| 4488 if (ta_buf[ta_len] == Ctrl_C | |
| 4489 || ta_buf[ta_len] == intr_char) | |
| 167 | 4490 { |
| 4491 # ifdef HAVE_SETSID | |
| 7 | 4492 kill(-pid, SIGINT); |
| 167 | 4493 # else |
| 7 | 4494 kill(0, SIGINT); |
| 4495 # endif | |
| 167 | 4496 if (wpid > 0) |
| 4497 kill(wpid, SIGINT); | |
| 4498 } | |
| 4499 # endif | |
| 7 | 4500 if (pty_master_fd < 0 && toshell_fd >= 0 |
| 4501 && ta_buf[ta_len] == Ctrl_D) | |
| 4502 { | |
| 4503 close(toshell_fd); | |
| 4504 toshell_fd = -1; | |
| 4505 } | |
| 4506 } | |
| 4507 | |
| 4508 /* replace K_BS by <BS> and K_DEL by <DEL> */ | |
| 4509 for (i = ta_len; i < ta_len + len; ++i) | |
| 4510 { | |
| 4511 if (ta_buf[i] == CSI && len - i > 2) | |
| 4512 { | |
| 4513 c = TERMCAP2KEY(ta_buf[i + 1], ta_buf[i + 2]); | |
| 4514 if (c == K_DEL || c == K_KDEL || c == K_BS) | |
| 4515 { | |
| 4516 mch_memmove(ta_buf + i + 1, ta_buf + i + 3, | |
| 4517 (size_t)(len - i - 2)); | |
| 4518 if (c == K_DEL || c == K_KDEL) | |
| 4519 ta_buf[i] = DEL; | |
| 4520 else | |
| 4521 ta_buf[i] = Ctrl_H; | |
| 4522 len -= 2; | |
| 4523 } | |
| 4524 } | |
| 4525 else if (ta_buf[i] == '\r') | |
| 4526 ta_buf[i] = '\n'; | |
| 167 | 4527 # ifdef FEAT_MBYTE |
| 7 | 4528 if (has_mbyte) |
| 1903 | 4529 i += (*mb_ptr2len_len)(ta_buf + i, |
| 4530 ta_len + len - i) - 1; | |
| 167 | 4531 # endif |
| 7 | 4532 } |
| 4533 | |
| 4534 /* | |
| 4535 * For pipes: echo the typed characters. | |
| 4536 * For a pty this does not seem to work. | |
| 4537 */ | |
| 4538 if (pty_master_fd < 0) | |
| 4539 { | |
| 4540 for (i = ta_len; i < ta_len + len; ++i) | |
| 4541 { | |
| 4542 if (ta_buf[i] == '\n' || ta_buf[i] == '\b') | |
| 4543 msg_putchar(ta_buf[i]); | |
| 167 | 4544 # ifdef FEAT_MBYTE |
| 7 | 4545 else if (has_mbyte) |
| 4546 { | |
| 474 | 4547 int l = (*mb_ptr2len)(ta_buf + i); |
| 7 | 4548 |
| 4549 msg_outtrans_len(ta_buf + i, l); | |
| 4550 i += l - 1; | |
| 4551 } | |
| 167 | 4552 # endif |
| 7 | 4553 else |
| 4554 msg_outtrans_len(ta_buf + i, 1); | |
| 4555 } | |
| 4556 windgoto(msg_row, msg_col); | |
| 4557 out_flush(); | |
| 4558 } | |
| 4559 | |
| 4560 ta_len += len; | |
| 4561 | |
| 4562 /* | |
| 4563 * Write the characters to the child, unless EOF has | |
| 4564 * been typed for pipes. Write one character at a | |
| 1698 | 4565 * time, to avoid losing too much typeahead. |
| 167 | 4566 * When writing buffer lines, drop the typed |
| 4567 * characters (only check for CTRL-C). | |
| 7 | 4568 */ |
| 167 | 4569 if (options & SHELL_WRITE) |
| 4570 ta_len = 0; | |
| 4571 else if (toshell_fd >= 0) | |
| 7 | 4572 { |
| 4573 len = write(toshell_fd, (char *)ta_buf, (size_t)1); | |
| 4574 if (len > 0) | |
| 4575 { | |
| 4576 ta_len -= len; | |
| 4577 mch_memmove(ta_buf, ta_buf + len, ta_len); | |
| 4578 } | |
| 4579 } | |
| 1823 | 4580 } |
| 7 | 4581 } |
| 4582 | |
| 167 | 4583 if (got_int) |
| 4584 { | |
| 4585 /* CTRL-C sends a signal to the child, we ignore it | |
| 4586 * ourselves */ | |
| 4587 # ifdef HAVE_SETSID | |
| 4588 kill(-pid, SIGINT); | |
| 4589 # else | |
| 4590 kill(0, SIGINT); | |
| 4591 # endif | |
| 4592 if (wpid > 0) | |
| 4593 kill(wpid, SIGINT); | |
| 4594 got_int = FALSE; | |
| 4595 } | |
| 4596 | |
| 7 | 4597 /* |
| 4598 * Check if the child has any characters to be printed. | |
| 4599 * Read them and write them to our window. Repeat this as | |
| 4600 * long as there is something to do, avoid the 10ms wait | |
| 4601 * for mch_inchar(), or sending typeahead characters to | |
| 4602 * the external process. | |
| 4603 * TODO: This should handle escape sequences, compatible | |
| 4604 * to some terminal (vt52?). | |
| 4605 */ | |
| 167 | 4606 ++noread_cnt; |
| 7 | 4607 while (RealWaitForChar(fromshell_fd, 10L, NULL)) |
| 4608 { | |
| 2664 | 4609 len = read_eintr(fromshell_fd, buffer |
| 167 | 4610 # ifdef FEAT_MBYTE |
| 7 | 4611 + buffer_off, (size_t)(BUFLEN - buffer_off) |
| 167 | 4612 # else |
| 7 | 4613 , (size_t)BUFLEN |
| 167 | 4614 # endif |
| 7 | 4615 ); |
| 4616 if (len <= 0) /* end of file or error */ | |
| 4617 goto finished; | |
| 167 | 4618 |
| 4619 noread_cnt = 0; | |
| 4620 if (options & SHELL_READ) | |
| 4621 { | |
| 4622 /* Do NUL -> NL translation, append NL separated | |
| 4623 * lines to the current buffer. */ | |
| 4624 for (i = 0; i < len; ++i) | |
| 4625 { | |
| 4626 if (buffer[i] == NL) | |
| 4627 append_ga_line(&ga); | |
| 4628 else if (buffer[i] == NUL) | |
| 4629 ga_append(&ga, NL); | |
| 4630 else | |
| 4631 ga_append(&ga, buffer[i]); | |
| 4632 } | |
| 4633 } | |
| 4634 # ifdef FEAT_MBYTE | |
| 4635 else if (has_mbyte) | |
| 7 | 4636 { |
| 4637 int l; | |
| 4638 | |
| 167 | 4639 len += buffer_off; |
| 4640 buffer[len] = NUL; | |
| 4641 | |
| 7 | 4642 /* Check if the last character in buffer[] is |
| 4643 * incomplete, keep these bytes for the next | |
| 4644 * round. */ | |
| 4645 for (p = buffer; p < buffer + len; p += l) | |
| 4646 { | |
| 474 | 4647 l = mb_cptr2len(p); |
| 7 | 4648 if (l == 0) |
| 4649 l = 1; /* NUL byte? */ | |
| 4650 else if (MB_BYTE2LEN(*p) != l) | |
| 4651 break; | |
| 4652 } | |
| 4653 if (p == buffer) /* no complete character */ | |
| 4654 { | |
| 4655 /* avoid getting stuck at an illegal byte */ | |
| 4656 if (len >= 12) | |
| 4657 ++p; | |
| 4658 else | |
| 4659 { | |
| 4660 buffer_off = len; | |
| 4661 continue; | |
| 4662 } | |
| 4663 } | |
| 4664 c = *p; | |
| 4665 *p = NUL; | |
| 4666 msg_puts(buffer); | |
| 4667 if (p < buffer + len) | |
| 4668 { | |
| 4669 *p = c; | |
| 4670 buffer_off = (buffer + len) - p; | |
| 4671 mch_memmove(buffer, p, buffer_off); | |
| 4672 continue; | |
| 4673 } | |
| 4674 buffer_off = 0; | |
| 4675 } | |
| 167 | 4676 # endif /* FEAT_MBYTE */ |
| 7 | 4677 else |
| 4678 { | |
| 4679 buffer[len] = NUL; | |
| 4680 msg_puts(buffer); | |
| 4681 } | |
| 4682 | |
| 4683 windgoto(msg_row, msg_col); | |
| 4684 cursor_on(); | |
| 4685 out_flush(); | |
| 4686 if (got_int) | |
| 4687 break; | |
| 1823 | 4688 |
| 4689 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 4690 { | |
| 4691 struct timeval now_tv; | |
| 4692 long msec; | |
| 4693 | |
| 4694 /* Avoid that we keep looping here without | |
| 4695 * checking for a CTRL-C for a long time. Don't | |
| 4696 * break out too often to avoid losing typeahead. */ | |
| 4697 gettimeofday(&now_tv, NULL); | |
| 4698 msec = (now_tv.tv_sec - start_tv.tv_sec) * 1000L | |
| 4699 + (now_tv.tv_usec - start_tv.tv_usec) / 1000L; | |
| 4700 if (msec > 2000) | |
| 4701 { | |
| 4702 noread_cnt = 5; | |
| 4703 break; | |
| 4704 } | |
| 4705 } | |
| 4706 # endif | |
| 7 | 4707 } |
| 4708 | |
| 602 | 4709 /* If we already detected the child has finished break the |
| 4710 * loop now. */ | |
| 4711 if (wait_pid == pid) | |
| 4712 break; | |
| 4713 | |
| 7 | 4714 /* |
| 4715 * Check if the child still exists, before checking for | |
| 1698 | 4716 * typed characters (otherwise we would lose typeahead). |
| 7 | 4717 */ |
| 167 | 4718 # ifdef __NeXT__ |
| 3048 | 4719 wait_pid = wait4(pid, &status, WNOHANG, (struct rusage *)0); |
| 167 | 4720 # else |
| 7 | 4721 wait_pid = waitpid(pid, &status, WNOHANG); |
| 167 | 4722 # endif |
| 7 | 4723 if ((wait_pid == (pid_t)-1 && errno == ECHILD) |
| 4724 || (wait_pid == pid && WIFEXITED(status))) | |
| 4725 { | |
| 602 | 4726 /* Don't break the loop yet, try reading more |
| 4727 * characters from "fromshell_fd" first. When using | |
| 4728 * pipes there might still be something to read and | |
| 4729 * then we'll break the loop at the "break" above. */ | |
| 7 | 4730 wait_pid = pid; |
| 4731 } | |
| 602 | 4732 else |
| 4733 wait_pid = 0; | |
| 7 | 4734 } |
| 4735 finished: | |
| 4736 p_more = p_more_save; | |
| 167 | 4737 if (options & SHELL_READ) |
| 4738 { | |
| 4739 if (ga.ga_len > 0) | |
| 4740 { | |
| 4741 append_ga_line(&ga); | |
| 4742 /* remember that the NL was missing */ | |
| 2707 | 4743 curbuf->b_no_eol_lnum = curwin->w_cursor.lnum; |
| 167 | 4744 } |
| 4745 else | |
| 2707 | 4746 curbuf->b_no_eol_lnum = 0; |
| 167 | 4747 ga_clear(&ga); |
| 4748 } | |
| 4749 | |
| 7 | 4750 /* |
| 4751 * Give all typeahead that wasn't used back to ui_inchar(). | |
| 4752 */ | |
| 4753 if (ta_len) | |
| 4754 ui_inchar_undo(ta_buf, ta_len); | |
| 4755 State = old_State; | |
| 4756 if (toshell_fd >= 0) | |
| 4757 close(toshell_fd); | |
| 4758 close(fromshell_fd); | |
| 4759 } | |
| 4760 | |
| 4761 /* | |
| 4762 * Wait until our child has exited. | |
| 4763 * Ignore wait() returning pids of other children and returning | |
| 4764 * because of some signal like SIGWINCH. | |
| 4765 * Don't wait if wait_pid was already set above, indicating the | |
| 4766 * child already exited. | |
| 4767 */ | |
| 3048 | 4768 if (wait_pid != pid) |
| 4769 wait_pid = wait4pid(pid, &status); | |
| 7 | 4770 |
| 2600 | 4771 # ifdef FEAT_GUI |
| 4772 /* Close slave side of pty. Only do this after the child has | |
| 4773 * exited, otherwise the child may hang when it tries to write on | |
| 4774 * the pty. */ | |
| 4775 if (pty_master_fd >= 0) | |
| 4776 close(pty_slave_fd); | |
| 4777 # endif | |
| 4778 | |
| 167 | 4779 /* Make sure the child that writes to the external program is |
| 4780 * dead. */ | |
| 4781 if (wpid > 0) | |
| 3048 | 4782 { |
| 167 | 4783 kill(wpid, SIGKILL); |
| 3048 | 4784 wait4pid(wpid, NULL); |
| 4785 } | |
| 167 | 4786 |
| 7 | 4787 /* |
| 4788 * Set to raw mode right now, otherwise a CTRL-C after | |
| 4789 * catch_signals() will kill Vim. | |
| 4790 */ | |
| 4791 if (tmode == TMODE_RAW) | |
| 4792 settmode(TMODE_RAW); | |
| 4793 did_settmode = TRUE; | |
| 4794 set_signals(); | |
| 4795 | |
| 4796 if (WIFEXITED(status)) | |
| 4797 { | |
| 129 | 4798 /* LINTED avoid "bitwise operation on signed value" */ |
| 7 | 4799 retval = WEXITSTATUS(status); |
| 4800 if (retval && !emsg_silent) | |
| 4801 { | |
| 4802 if (retval == EXEC_FAILED) | |
| 4803 { | |
| 4804 MSG_PUTS(_("\nCannot execute shell ")); | |
| 4805 msg_outtrans(p_sh); | |
| 4806 msg_putchar('\n'); | |
| 4807 } | |
| 4808 else if (!(options & SHELL_SILENT)) | |
| 4809 { | |
| 4810 MSG_PUTS(_("\nshell returned ")); | |
| 4811 msg_outnum((long)retval); | |
| 4812 msg_putchar('\n'); | |
| 4813 } | |
| 4814 } | |
| 4815 } | |
| 4816 else | |
| 4817 MSG_PUTS(_("\nCommand terminated\n")); | |
| 4818 } | |
| 4819 } | |
| 4820 vim_free(argv); | |
| 2994 | 4821 vim_free(p_shcf_copy); |
| 7 | 4822 |
| 4823 error: | |
| 4824 if (!did_settmode) | |
| 4825 if (tmode == TMODE_RAW) | |
| 4826 settmode(TMODE_RAW); /* set to raw mode */ | |
| 4827 # ifdef FEAT_TITLE | |
| 4828 resettitle(); | |
| 4829 # endif | |
| 4830 vim_free(newcmd); | |
| 4831 | |
| 4832 return retval; | |
| 4833 | |
| 4834 #endif /* USE_SYSTEM */ | |
| 4835 } | |
| 4836 | |
| 4837 /* | |
| 4838 * Check for CTRL-C typed by reading all available characters. | |
| 4839 * In cooked mode we should get SIGINT, no need to check. | |
| 4840 */ | |
| 4841 void | |
| 4842 mch_breakcheck() | |
| 4843 { | |
| 4844 if (curr_tmode == TMODE_RAW && RealWaitForChar(read_cmd_fd, 0L, NULL)) | |
| 4845 fill_input_buf(FALSE); | |
| 4846 } | |
| 4847 | |
| 4848 /* | |
| 4849 * Wait "msec" msec until a character is available from the keyboard or from | |
| 4850 * inbuf[]. msec == -1 will block forever. | |
| 4851 * When a GUI is being used, this will never get called -- webb | |
| 4852 */ | |
| 4853 static int | |
| 4854 WaitForChar(msec) | |
| 4855 long msec; | |
| 4856 { | |
| 4857 #ifdef FEAT_MOUSE_GPM | |
| 4858 int gpm_process_wanted; | |
| 4859 #endif | |
| 4860 #ifdef FEAT_XCLIPBOARD | |
| 4861 int rest; | |
| 4862 #endif | |
| 4863 int avail; | |
| 4864 | |
| 4865 if (input_available()) /* something in inbuf[] */ | |
| 4866 return 1; | |
| 4867 | |
| 4868 #if defined(FEAT_MOUSE_DEC) | |
| 4869 /* May need to query the mouse position. */ | |
| 4870 if (WantQueryMouse) | |
| 4871 { | |
| 227 | 4872 WantQueryMouse = FALSE; |
| 7 | 4873 mch_write((char_u *)IF_EB("\033[1'|", ESC_STR "[1'|"), 5); |
| 4874 } | |
| 4875 #endif | |
| 4876 | |
| 4877 /* | |
| 4878 * For FEAT_MOUSE_GPM and FEAT_XCLIPBOARD we loop here to process mouse | |
| 4879 * events. This is a bit complicated, because they might both be defined. | |
| 4880 */ | |
| 4881 #if defined(FEAT_MOUSE_GPM) || defined(FEAT_XCLIPBOARD) | |
| 4882 # ifdef FEAT_XCLIPBOARD | |
| 4883 rest = 0; | |
| 4884 if (do_xterm_trace()) | |
| 4885 rest = msec; | |
| 4886 # endif | |
| 4887 do | |
| 4888 { | |
| 4889 # ifdef FEAT_XCLIPBOARD | |
| 4890 if (rest != 0) | |
| 4891 { | |
| 4892 msec = XT_TRACE_DELAY; | |
| 4893 if (rest >= 0 && rest < XT_TRACE_DELAY) | |
| 4894 msec = rest; | |
| 4895 if (rest >= 0) | |
| 4896 rest -= msec; | |
| 4897 } | |
| 4898 # endif | |
| 4899 # ifdef FEAT_MOUSE_GPM | |
| 4900 gpm_process_wanted = 0; | |
| 4901 avail = RealWaitForChar(read_cmd_fd, msec, &gpm_process_wanted); | |
| 4902 # else | |
| 4903 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
| 4904 # endif | |
| 4905 if (!avail) | |
| 4906 { | |
| 4907 if (input_available()) | |
| 4908 return 1; | |
| 4909 # ifdef FEAT_XCLIPBOARD | |
| 4910 if (rest == 0 || !do_xterm_trace()) | |
| 4911 # endif | |
| 4912 break; | |
| 4913 } | |
| 4914 } | |
| 4915 while (FALSE | |
| 4916 # ifdef FEAT_MOUSE_GPM | |
| 4917 || (gpm_process_wanted && mch_gpm_process() == 0) | |
| 4918 # endif | |
| 4919 # ifdef FEAT_XCLIPBOARD | |
| 4920 || (!avail && rest != 0) | |
| 4921 # endif | |
| 4922 ); | |
| 4923 | |
| 4924 #else | |
| 4925 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
| 4926 #endif | |
| 4927 return avail; | |
| 4928 } | |
| 4929 | |
| 4930 /* | |
| 4931 * Wait "msec" msec until a character is available from file descriptor "fd". | |
| 3046 | 4932 * "msec" == 0 will check for characters once. |
| 4933 * "msec" == -1 will block until a character is available. | |
| 7 | 4934 * When a GUI is being used, this will not be used for input -- webb |
| 4935 * Returns also, when a request from Sniff is waiting -- toni. | |
| 4936 * Or when a Linux GPM mouse event is waiting. | |
| 4937 */ | |
| 4938 #if defined(__BEOS__) | |
| 4939 int | |
| 4940 #else | |
| 4941 static int | |
| 4942 #endif | |
| 4943 RealWaitForChar(fd, msec, check_for_gpm) | |
| 4944 int fd; | |
| 4945 long msec; | |
| 1877 | 4946 int *check_for_gpm UNUSED; |
| 7 | 4947 { |
| 4948 int ret; | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
4949 #ifdef FEAT_NETBEANS_INTG |
| 2210 | 4950 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
|
4951 #endif |
| 14 | 4952 #if defined(FEAT_XCLIPBOARD) || defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
| 7 | 4953 static int busy = FALSE; |
| 4954 | |
| 4955 /* May retry getting characters after an event was handled. */ | |
| 4956 # define MAY_LOOP | |
| 4957 | |
| 4958 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 4959 /* Remember at what time we started, so that we know how much longer we | |
| 4960 * should wait after being interrupted. */ | |
| 4961 # define USE_START_TV | |
| 4962 struct timeval start_tv; | |
| 4963 | |
| 4964 if (msec > 0 && ( | |
| 4965 # ifdef FEAT_XCLIPBOARD | |
| 4966 xterm_Shell != (Widget)0 | |
| 14 | 4967 # if defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
| 7 | 4968 || |
| 4969 # endif | |
| 4970 # endif | |
| 4971 # ifdef USE_XSMP | |
| 4972 xsmp_icefd != -1 | |
| 14 | 4973 # ifdef FEAT_MZSCHEME |
| 4974 || | |
| 4975 # endif | |
| 4976 # endif | |
| 4977 # ifdef FEAT_MZSCHEME | |
| 4978 (mzthreads_allowed() && p_mzq > 0) | |
| 7 | 4979 # endif |
| 4980 )) | |
| 4981 gettimeofday(&start_tv, NULL); | |
| 4982 # endif | |
| 4983 | |
| 4984 /* Handle being called recursively. This may happen for the session | |
| 4985 * manager stuff, it may save the file, which does a breakcheck. */ | |
| 4986 if (busy) | |
| 4987 return 0; | |
| 4988 #endif | |
| 4989 | |
| 4990 #ifdef MAY_LOOP | |
| 407 | 4991 for (;;) |
| 7 | 4992 #endif |
| 4993 { | |
| 4994 #ifdef MAY_LOOP | |
| 4995 int finished = TRUE; /* default is to 'loop' just once */ | |
| 14 | 4996 # ifdef FEAT_MZSCHEME |
| 4997 int mzquantum_used = FALSE; | |
| 4998 # endif | |
| 7 | 4999 #endif |
| 5000 #ifndef HAVE_SELECT | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5001 struct pollfd fds[6]; |
| 7 | 5002 int nfd; |
| 5003 # ifdef FEAT_XCLIPBOARD | |
| 5004 int xterm_idx = -1; | |
| 5005 # endif | |
| 5006 # ifdef FEAT_MOUSE_GPM | |
| 5007 int gpm_idx = -1; | |
| 5008 # endif | |
| 5009 # ifdef USE_XSMP | |
| 5010 int xsmp_idx = -1; | |
| 5011 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5012 # ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5013 int nb_idx = -1; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5014 # endif |
| 14 | 5015 int towait = (int)msec; |
| 5016 | |
| 5017 # ifdef FEAT_MZSCHEME | |
| 5018 mzvim_check_threads(); | |
| 5019 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
| 5020 { | |
| 5021 towait = (int)p_mzq; /* don't wait longer than 'mzquantum' */ | |
| 5022 mzquantum_used = TRUE; | |
| 5023 } | |
| 5024 # endif | |
| 7 | 5025 fds[0].fd = fd; |
| 5026 fds[0].events = POLLIN; | |
| 5027 nfd = 1; | |
| 5028 | |
| 5029 # ifdef FEAT_SNIFF | |
| 5030 # define SNIFF_IDX 1 | |
| 5031 if (want_sniff_request) | |
| 5032 { | |
| 5033 fds[SNIFF_IDX].fd = fd_from_sniff; | |
| 5034 fds[SNIFF_IDX].events = POLLIN; | |
| 5035 nfd++; | |
| 5036 } | |
| 5037 # endif | |
| 5038 # ifdef FEAT_XCLIPBOARD | |
| 5039 if (xterm_Shell != (Widget)0) | |
| 5040 { | |
| 5041 xterm_idx = nfd; | |
| 5042 fds[nfd].fd = ConnectionNumber(xterm_dpy); | |
| 5043 fds[nfd].events = POLLIN; | |
| 5044 nfd++; | |
| 5045 } | |
| 5046 # endif | |
| 5047 # ifdef FEAT_MOUSE_GPM | |
| 5048 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
| 5049 { | |
| 5050 gpm_idx = nfd; | |
| 5051 fds[nfd].fd = gpm_fd; | |
| 5052 fds[nfd].events = POLLIN; | |
| 5053 nfd++; | |
| 5054 } | |
| 5055 # endif | |
| 5056 # ifdef USE_XSMP | |
| 5057 if (xsmp_icefd != -1) | |
| 5058 { | |
| 5059 xsmp_idx = nfd; | |
| 5060 fds[nfd].fd = xsmp_icefd; | |
| 5061 fds[nfd].events = POLLIN; | |
| 5062 nfd++; | |
| 5063 } | |
| 5064 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5065 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5066 if (nb_fd != -1) |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5067 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5068 nb_idx = nfd; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5069 fds[nfd].fd = nb_fd; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5070 fds[nfd].events = POLLIN; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5071 nfd++; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5072 } |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5073 #endif |
| 7 | 5074 |
| 14 | 5075 ret = poll(fds, nfd, towait); |
| 5076 # ifdef FEAT_MZSCHEME | |
| 5077 if (ret == 0 && mzquantum_used) | |
| 1450 | 5078 /* MzThreads scheduling is required and timeout occurred */ |
| 14 | 5079 finished = FALSE; |
| 5080 # endif | |
| 7 | 5081 |
| 5082 # ifdef FEAT_SNIFF | |
| 5083 if (ret < 0) | |
| 5084 sniff_disconnect(1); | |
| 5085 else if (want_sniff_request) | |
| 5086 { | |
| 5087 if (fds[SNIFF_IDX].revents & POLLHUP) | |
| 5088 sniff_disconnect(1); | |
| 5089 if (fds[SNIFF_IDX].revents & POLLIN) | |
| 5090 sniff_request_waiting = 1; | |
| 5091 } | |
| 5092 # endif | |
| 5093 # ifdef FEAT_XCLIPBOARD | |
| 5094 if (xterm_Shell != (Widget)0 && (fds[xterm_idx].revents & POLLIN)) | |
| 5095 { | |
| 5096 xterm_update(); /* Maybe we should hand out clipboard */ | |
| 5097 if (--ret == 0 && !input_available()) | |
| 5098 /* Try again */ | |
| 5099 finished = FALSE; | |
| 5100 } | |
| 5101 # endif | |
| 5102 # ifdef FEAT_MOUSE_GPM | |
| 5103 if (gpm_idx >= 0 && (fds[gpm_idx].revents & POLLIN)) | |
| 5104 { | |
| 5105 *check_for_gpm = 1; | |
| 5106 } | |
| 5107 # endif | |
| 5108 # ifdef USE_XSMP | |
| 5109 if (xsmp_idx >= 0 && (fds[xsmp_idx].revents & (POLLIN | POLLHUP))) | |
| 5110 { | |
| 5111 if (fds[xsmp_idx].revents & POLLIN) | |
| 5112 { | |
| 5113 busy = TRUE; | |
| 5114 xsmp_handle_requests(); | |
| 5115 busy = FALSE; | |
| 5116 } | |
| 5117 else if (fds[xsmp_idx].revents & POLLHUP) | |
| 5118 { | |
| 5119 if (p_verbose > 0) | |
| 292 | 5120 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 5121 xsmp_close(); |
| 5122 } | |
| 5123 if (--ret == 0) | |
| 14 | 5124 finished = FALSE; /* Try again */ |
| 7 | 5125 } |
| 5126 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5127 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5128 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
|
5129 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5130 netbeans_read(); |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5131 --ret; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5132 } |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5133 #endif |
| 7 | 5134 |
| 5135 | |
| 5136 #else /* HAVE_SELECT */ | |
| 5137 | |
| 5138 struct timeval tv; | |
| 14 | 5139 struct timeval *tvp; |
| 7 | 5140 fd_set rfds, efds; |
| 5141 int maxfd; | |
| 14 | 5142 long towait = msec; |
| 5143 | |
| 5144 # ifdef FEAT_MZSCHEME | |
| 5145 mzvim_check_threads(); | |
| 5146 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
| 5147 { | |
| 5148 towait = p_mzq; /* don't wait longer than 'mzquantum' */ | |
| 5149 mzquantum_used = TRUE; | |
| 5150 } | |
| 5151 # endif | |
| 7 | 5152 # ifdef __EMX__ |
| 5153 /* don't check for incoming chars if not in raw mode, because select() | |
| 5154 * always returns TRUE then (in some version of emx.dll) */ | |
| 5155 if (curr_tmode != TMODE_RAW) | |
| 5156 return 0; | |
| 5157 # endif | |
| 5158 | |
| 14 | 5159 if (towait >= 0) |
| 7 | 5160 { |
| 14 | 5161 tv.tv_sec = towait / 1000; |
| 5162 tv.tv_usec = (towait % 1000) * (1000000/1000); | |
| 5163 tvp = &tv; | |
| 7 | 5164 } |
| 14 | 5165 else |
| 5166 tvp = NULL; | |
| 7 | 5167 |
| 5168 /* | |
| 5169 * Select on ready for reading and exceptional condition (end of file). | |
| 5170 */ | |
| 3046 | 5171 select_eintr: |
| 5172 FD_ZERO(&rfds); | |
| 7 | 5173 FD_ZERO(&efds); |
| 5174 FD_SET(fd, &rfds); | |
| 5175 # if !defined(__QNX__) && !defined(__CYGWIN32__) | |
| 5176 /* For QNX select() always returns 1 if this is set. Why? */ | |
| 5177 FD_SET(fd, &efds); | |
| 5178 # endif | |
| 5179 maxfd = fd; | |
| 5180 | |
| 5181 # ifdef FEAT_SNIFF | |
| 5182 if (want_sniff_request) | |
| 5183 { | |
| 5184 FD_SET(fd_from_sniff, &rfds); | |
| 5185 FD_SET(fd_from_sniff, &efds); | |
| 5186 if (maxfd < fd_from_sniff) | |
| 5187 maxfd = fd_from_sniff; | |
| 5188 } | |
| 5189 # endif | |
| 5190 # ifdef FEAT_XCLIPBOARD | |
| 5191 if (xterm_Shell != (Widget)0) | |
| 5192 { | |
| 5193 FD_SET(ConnectionNumber(xterm_dpy), &rfds); | |
| 5194 if (maxfd < ConnectionNumber(xterm_dpy)) | |
| 5195 maxfd = ConnectionNumber(xterm_dpy); | |
| 3748 | 5196 |
| 5197 /* An event may have already been read but not handled. In | |
| 5198 * particulary, XFlush may cause this. */ | |
| 5199 xterm_update(); | |
| 7 | 5200 } |
| 5201 # endif | |
| 5202 # ifdef FEAT_MOUSE_GPM | |
| 5203 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
| 5204 { | |
| 5205 FD_SET(gpm_fd, &rfds); | |
| 5206 FD_SET(gpm_fd, &efds); | |
| 5207 if (maxfd < gpm_fd) | |
| 5208 maxfd = gpm_fd; | |
| 5209 } | |
| 5210 # endif | |
| 5211 # ifdef USE_XSMP | |
| 5212 if (xsmp_icefd != -1) | |
| 5213 { | |
| 5214 FD_SET(xsmp_icefd, &rfds); | |
| 5215 FD_SET(xsmp_icefd, &efds); | |
| 5216 if (maxfd < xsmp_icefd) | |
| 5217 maxfd = xsmp_icefd; | |
| 5218 } | |
| 5219 # endif | |
| 3748 | 5220 # ifdef FEAT_NETBEANS_INTG |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5221 if (nb_fd != -1) |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5222 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5223 FD_SET(nb_fd, &rfds); |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5224 if (maxfd < nb_fd) |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5225 maxfd = nb_fd; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5226 } |
| 3748 | 5227 # endif |
| 7 | 5228 |
| 5229 # ifdef OLD_VMS | |
| 5230 /* Old VMS as v6.2 and older have broken select(). It waits more than | |
| 5231 * required. Should not be used */ | |
| 5232 ret = 0; | |
| 5233 # else | |
| 14 | 5234 ret = select(maxfd + 1, &rfds, NULL, &efds, tvp); |
| 5235 # endif | |
| 3046 | 5236 # ifdef EINTR |
| 5237 if (ret == -1 && errno == EINTR) | |
| 3133 | 5238 { |
| 5239 /* Check whether window has been resized, EINTR may be caused by | |
| 5240 * SIGWINCH. */ | |
| 5241 if (do_resize) | |
| 5242 handle_resize(); | |
| 5243 | |
| 3046 | 5244 /* Interrupted by a signal, need to try again. We ignore msec |
| 5245 * here, because we do want to check even after a timeout if | |
| 5246 * characters are available. Needed for reading output of an | |
| 5247 * external command after the process has finished. */ | |
| 5248 goto select_eintr; | |
| 3133 | 5249 } |
| 3046 | 5250 # endif |
| 1076 | 5251 # ifdef __TANDEM |
| 5252 if (ret == -1 && errno == ENOTSUP) | |
| 5253 { | |
| 5254 FD_ZERO(&rfds); | |
| 5255 FD_ZERO(&efds); | |
| 5256 ret = 0; | |
| 5257 } | |
| 3046 | 5258 # endif |
| 14 | 5259 # ifdef FEAT_MZSCHEME |
| 5260 if (ret == 0 && mzquantum_used) | |
| 1450 | 5261 /* loop if MzThreads must be scheduled and timeout occurred */ |
| 14 | 5262 finished = FALSE; |
| 7 | 5263 # endif |
| 5264 | |
| 5265 # ifdef FEAT_SNIFF | |
| 5266 if (ret < 0 ) | |
| 5267 sniff_disconnect(1); | |
| 5268 else if (ret > 0 && want_sniff_request) | |
| 5269 { | |
| 5270 if (FD_ISSET(fd_from_sniff, &efds)) | |
| 5271 sniff_disconnect(1); | |
| 5272 if (FD_ISSET(fd_from_sniff, &rfds)) | |
| 5273 sniff_request_waiting = 1; | |
| 5274 } | |
| 5275 # endif | |
| 5276 # ifdef FEAT_XCLIPBOARD | |
| 5277 if (ret > 0 && xterm_Shell != (Widget)0 | |
| 5278 && FD_ISSET(ConnectionNumber(xterm_dpy), &rfds)) | |
| 5279 { | |
| 5280 xterm_update(); /* Maybe we should hand out clipboard */ | |
| 5281 /* continue looping when we only got the X event and the input | |
| 5282 * buffer is empty */ | |
| 5283 if (--ret == 0 && !input_available()) | |
| 5284 { | |
| 5285 /* Try again */ | |
| 5286 finished = FALSE; | |
| 5287 } | |
| 5288 } | |
| 5289 # endif | |
| 5290 # ifdef FEAT_MOUSE_GPM | |
| 5291 if (ret > 0 && gpm_flag && check_for_gpm != NULL && gpm_fd >= 0) | |
| 5292 { | |
| 5293 if (FD_ISSET(gpm_fd, &efds)) | |
| 5294 gpm_close(); | |
| 5295 else if (FD_ISSET(gpm_fd, &rfds)) | |
| 5296 *check_for_gpm = 1; | |
| 5297 } | |
| 5298 # endif | |
| 5299 # ifdef USE_XSMP | |
| 5300 if (ret > 0 && xsmp_icefd != -1) | |
| 5301 { | |
| 5302 if (FD_ISSET(xsmp_icefd, &efds)) | |
| 5303 { | |
| 5304 if (p_verbose > 0) | |
| 292 | 5305 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 5306 xsmp_close(); |
| 5307 if (--ret == 0) | |
| 5308 finished = FALSE; /* keep going if event was only one */ | |
| 5309 } | |
| 5310 else if (FD_ISSET(xsmp_icefd, &rfds)) | |
| 5311 { | |
| 5312 busy = TRUE; | |
| 5313 xsmp_handle_requests(); | |
| 5314 busy = FALSE; | |
| 5315 if (--ret == 0) | |
| 5316 finished = FALSE; /* keep going if event was only one */ | |
| 5317 } | |
| 5318 } | |
| 5319 # endif | |
|
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5320 #ifdef FEAT_NETBEANS_INTG |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5321 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
|
5322 { |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5323 netbeans_read(); |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5324 --ret; |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5325 } |
|
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5326 #endif |
| 7 | 5327 |
| 5328 #endif /* HAVE_SELECT */ | |
| 5329 | |
| 5330 #ifdef MAY_LOOP | |
| 5331 if (finished || msec == 0) | |
| 5332 break; | |
| 5333 | |
| 5334 /* We're going to loop around again, find out for how long */ | |
| 5335 if (msec > 0) | |
| 5336 { | |
| 5337 # ifdef USE_START_TV | |
| 5338 struct timeval mtv; | |
| 5339 | |
| 5340 /* Compute remaining wait time. */ | |
| 5341 gettimeofday(&mtv, NULL); | |
| 5342 msec -= (mtv.tv_sec - start_tv.tv_sec) * 1000L | |
| 5343 + (mtv.tv_usec - start_tv.tv_usec) / 1000L; | |
| 5344 # else | |
| 5345 /* Guess we got interrupted halfway. */ | |
| 5346 msec = msec / 2; | |
| 5347 # endif | |
| 5348 if (msec <= 0) | |
| 5349 break; /* waited long enough */ | |
| 5350 } | |
| 5351 #endif | |
| 5352 } | |
| 5353 | |
| 5354 return (ret > 0); | |
| 5355 } | |
| 5356 | |
| 5357 #ifndef VMS | |
| 5358 | |
| 5359 #ifndef NO_EXPANDPATH | |
| 5360 /* | |
| 444 | 5361 * Expand a path into all matching files and/or directories. Handles "*", |
| 5362 * "?", "[a-z]", "**", etc. | |
| 5363 * "path" has backslashes before chars that are not to be expanded. | |
| 5364 * Returns the number of matches found. | |
| 7 | 5365 */ |
| 5366 int | |
| 5367 mch_expandpath(gap, path, flags) | |
| 5368 garray_T *gap; | |
| 5369 char_u *path; | |
| 5370 int flags; /* EW_* flags */ | |
| 5371 { | |
| 444 | 5372 return unix_expandpath(gap, path, 0, flags, FALSE); |
| 7 | 5373 } |
| 5374 #endif | |
| 5375 | |
| 5376 /* | |
| 5377 * mch_expand_wildcards() - this code does wild-card pattern matching using | |
| 5378 * the shell | |
| 5379 * | |
| 5380 * return OK for success, FAIL for error (you may lose some memory) and put | |
| 5381 * an error message in *file. | |
| 5382 * | |
| 5383 * num_pat is number of input patterns | |
| 5384 * pat is array of pointers to input patterns | |
| 5385 * num_file is pointer to number of matched file names | |
| 5386 * file is pointer to array of pointers to matched file names | |
| 5387 */ | |
| 5388 | |
| 5389 #ifndef SEEK_SET | |
| 5390 # define SEEK_SET 0 | |
| 5391 #endif | |
| 5392 #ifndef SEEK_END | |
| 5393 # define SEEK_END 2 | |
| 5394 #endif | |
| 5395 | |
| 822 | 5396 #define SHELL_SPECIAL (char_u *)"\t \"&'$;<>()\\|" |
| 628 | 5397 |
| 7 | 5398 int |
| 5399 mch_expand_wildcards(num_pat, pat, num_file, file, flags) | |
| 5400 int num_pat; | |
| 5401 char_u **pat; | |
| 5402 int *num_file; | |
| 5403 char_u ***file; | |
| 5404 int flags; /* EW_* flags */ | |
| 5405 { | |
| 5406 int i; | |
| 5407 size_t len; | |
| 5408 char_u *p; | |
| 5409 int dir; | |
| 5410 #ifdef __EMX__ | |
| 1508 | 5411 /* |
| 5412 * This is the OS/2 implementation. | |
| 5413 */ | |
| 7 | 5414 # define EXPL_ALLOC_INC 16 |
| 5415 char_u **expl_files; | |
| 5416 size_t files_alloced, files_free; | |
| 5417 char_u *buf; | |
| 5418 int has_wildcard; | |
| 5419 | |
| 5420 *num_file = 0; /* default: no files found */ | |
| 5421 files_alloced = EXPL_ALLOC_INC; /* how much space is allocated */ | |
| 5422 files_free = EXPL_ALLOC_INC; /* how much space is not used */ | |
| 5423 *file = (char_u **)alloc(sizeof(char_u **) * files_alloced); | |
| 5424 if (*file == NULL) | |
| 5425 return FAIL; | |
| 5426 | |
| 5427 for (; num_pat > 0; num_pat--, pat++) | |
| 5428 { | |
| 5429 expl_files = NULL; | |
| 5430 if (vim_strchr(*pat, '$') || vim_strchr(*pat, '~')) | |
| 5431 /* expand environment var or home dir */ | |
| 5432 buf = expand_env_save(*pat); | |
| 5433 else | |
| 5434 buf = vim_strsave(*pat); | |
| 5435 expl_files = NULL; | |
| 99 | 5436 has_wildcard = mch_has_exp_wildcard(buf); /* (still) wildcards? */ |
| 7 | 5437 if (has_wildcard) /* yes, so expand them */ |
| 5438 expl_files = (char_u **)_fnexplode(buf); | |
| 5439 | |
| 5440 /* | |
| 5441 * return value of buf if no wildcards left, | |
| 5442 * OR if no match AND EW_NOTFOUND is set. | |
| 5443 */ | |
| 5444 if ((!has_wildcard && ((flags & EW_NOTFOUND) || mch_getperm(buf) >= 0)) | |
| 5445 || (expl_files == NULL && (flags & EW_NOTFOUND))) | |
| 5446 { /* simply save the current contents of *buf */ | |
| 5447 expl_files = (char_u **)alloc(sizeof(char_u **) * 2); | |
| 5448 if (expl_files != NULL) | |
| 5449 { | |
| 5450 expl_files[0] = vim_strsave(buf); | |
| 5451 expl_files[1] = NULL; | |
| 5452 } | |
| 5453 } | |
| 5454 vim_free(buf); | |
| 5455 | |
| 5456 /* | |
| 5457 * Count number of names resulting from expansion, | |
| 5458 * At the same time add a backslash to the end of names that happen to | |
| 5459 * be directories, and replace slashes with backslashes. | |
| 5460 */ | |
| 5461 if (expl_files) | |
| 5462 { | |
| 5463 for (i = 0; (p = expl_files[i]) != NULL; i++) | |
| 5464 { | |
| 5465 dir = mch_isdir(p); | |
| 5466 /* If we don't want dirs and this is one, skip it */ | |
| 5467 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
| 5468 continue; | |
| 5469 | |
| 715 | 5470 /* Skip files that are not executable if we check for that. */ |
| 5471 if (!dir && (flags & EW_EXEC) && !mch_can_exe(p)) | |
| 5472 continue; | |
| 5473 | |
| 7 | 5474 if (--files_free == 0) |
| 5475 { | |
| 5476 /* need more room in table of pointers */ | |
| 5477 files_alloced += EXPL_ALLOC_INC; | |
| 5478 *file = (char_u **)vim_realloc(*file, | |
| 5479 sizeof(char_u **) * files_alloced); | |
| 5480 if (*file == NULL) | |
| 5481 { | |
| 5482 EMSG(_(e_outofmem)); | |
| 5483 *num_file = 0; | |
| 5484 return FAIL; | |
| 5485 } | |
| 5486 files_free = EXPL_ALLOC_INC; | |
| 5487 } | |
| 5488 slash_adjust(p); | |
| 5489 if (dir) | |
| 5490 { | |
| 5491 /* For a directory we add a '/', unless it's already | |
| 5492 * there. */ | |
| 5493 len = STRLEN(p); | |
| 5494 if (((*file)[*num_file] = alloc(len + 2)) != NULL) | |
| 5495 { | |
| 5496 STRCPY((*file)[*num_file], p); | |
| 902 | 5497 if (!after_pathsep((*file)[*num_file], |
| 5498 (*file)[*num_file] + len)) | |
| 7 | 5499 { |
| 5500 (*file)[*num_file][len] = psepc; | |
| 39 | 5501 (*file)[*num_file][len + 1] = NUL; |
| 7 | 5502 } |
| 5503 } | |
| 5504 } | |
| 5505 else | |
| 5506 { | |
| 5507 (*file)[*num_file] = vim_strsave(p); | |
| 5508 } | |
| 5509 | |
| 5510 /* | |
| 5511 * Error message already given by either alloc or vim_strsave. | |
| 5512 * Should return FAIL, but returning OK works also. | |
| 5513 */ | |
| 5514 if ((*file)[*num_file] == NULL) | |
| 5515 break; | |
| 5516 (*num_file)++; | |
| 5517 } | |
| 5518 _fnexplodefree((char **)expl_files); | |
| 5519 } | |
| 5520 } | |
| 5521 return OK; | |
| 5522 | |
| 5523 #else /* __EMX__ */ | |
| 1508 | 5524 /* |
| 5525 * This is the non-OS/2 implementation (really Unix). | |
| 5526 */ | |
| 7 | 5527 int j; |
| 5528 char_u *tempname; | |
| 5529 char_u *command; | |
| 5530 FILE *fd; | |
| 5531 char_u *buffer; | |
| 1508 | 5532 #define STYLE_ECHO 0 /* use "echo", the default */ |
| 5533 #define STYLE_GLOB 1 /* use "glob", for csh */ | |
| 5534 #define STYLE_VIMGLOB 2 /* use "vimglob", for Posix sh */ | |
| 5535 #define STYLE_PRINT 3 /* use "print -N", for zsh */ | |
| 5536 #define STYLE_BT 4 /* `cmd` expansion, execute the pattern | |
| 5537 * directly */ | |
| 7 | 5538 int shell_style = STYLE_ECHO; |
| 5539 int check_spaces; | |
| 5540 static int did_find_nul = FALSE; | |
| 5541 int ampersent = FALSE; | |
| 1508 | 5542 /* vimglob() function to define for Posix shell */ |
| 1620 | 5543 static char *sh_vimglob_func = "vimglob() { while [ $# -ge 1 ]; do echo \"$1\"; shift; done }; vimglob >"; |
| 7 | 5544 |
| 5545 *num_file = 0; /* default: no files found */ | |
| 5546 *file = NULL; | |
| 5547 | |
| 5548 /* | |
| 5549 * If there are no wildcards, just copy the names to allocated memory. | |
| 5550 * Saves a lot of time, because we don't have to start a new shell. | |
| 5551 */ | |
| 5552 if (!have_wildcard(num_pat, pat)) | |
| 5553 return save_patterns(num_pat, pat, num_file, file); | |
| 5554 | |
| 428 | 5555 # ifdef HAVE_SANDBOX |
| 5556 /* Don't allow any shell command in the sandbox. */ | |
| 5557 if (sandbox != 0 && check_secure()) | |
| 5558 return FAIL; | |
| 5559 # endif | |
| 5560 | |
| 7 | 5561 /* |
| 5562 * Don't allow the use of backticks in secure and restricted mode. | |
| 5563 */ | |
| 428 | 5564 if (secure || restricted) |
| 7 | 5565 for (i = 0; i < num_pat; ++i) |
| 5566 if (vim_strchr(pat[i], '`') != NULL | |
| 5567 && (check_restricted() || check_secure())) | |
| 5568 return FAIL; | |
| 5569 | |
| 5570 /* | |
| 5571 * get a name for the temp file | |
| 5572 */ | |
| 5573 if ((tempname = vim_tempname('o')) == NULL) | |
| 5574 { | |
| 5575 EMSG(_(e_notmp)); | |
| 5576 return FAIL; | |
| 5577 } | |
| 5578 | |
| 5579 /* | |
| 5580 * Let the shell expand the patterns and write the result into the temp | |
| 1508 | 5581 * file. |
| 5582 * STYLE_BT: NL separated | |
| 5583 * If expanding `cmd` execute it directly. | |
| 5584 * STYLE_GLOB: NUL separated | |
| 5585 * If we use *csh, "glob" will work better than "echo". | |
| 5586 * STYLE_PRINT: NL or NUL separated | |
| 5587 * If we use *zsh, "print -N" will work better than "glob". | |
| 5588 * STYLE_VIMGLOB: NL separated | |
| 5589 * If we use *sh*, we define "vimglob()". | |
| 5590 * STYLE_ECHO: space separated. | |
| 5591 * A shell we don't know, stay safe and use "echo". | |
| 7 | 5592 */ |
| 5593 if (num_pat == 1 && *pat[0] == '`' | |
| 5594 && (len = STRLEN(pat[0])) > 2 | |
| 5595 && *(pat[0] + len - 1) == '`') | |
| 5596 shell_style = STYLE_BT; | |
| 5597 else if ((len = STRLEN(p_sh)) >= 3) | |
| 5598 { | |
| 5599 if (STRCMP(p_sh + len - 3, "csh") == 0) | |
| 5600 shell_style = STYLE_GLOB; | |
| 5601 else if (STRCMP(p_sh + len - 3, "zsh") == 0) | |
| 5602 shell_style = STYLE_PRINT; | |
| 5603 } | |
| 1508 | 5604 if (shell_style == STYLE_ECHO && strstr((char *)gettail(p_sh), |
| 5605 "sh") != NULL) | |
| 5606 shell_style = STYLE_VIMGLOB; | |
| 5607 | |
| 5608 /* Compute the length of the command. We need 2 extra bytes: for the | |
| 5609 * optional '&' and for the NUL. | |
| 5610 * Worst case: "unset nonomatch; print -N >" plus two is 29 */ | |
| 7 | 5611 len = STRLEN(tempname) + 29; |
| 1508 | 5612 if (shell_style == STYLE_VIMGLOB) |
| 5613 len += STRLEN(sh_vimglob_func); | |
| 5614 | |
| 147 | 5615 for (i = 0; i < num_pat; ++i) |
| 5616 { | |
| 5617 /* Count the length of the patterns in the same way as they are put in | |
| 5618 * "command" below. */ | |
| 5619 #ifdef USE_SYSTEM | |
| 7 | 5620 len += STRLEN(pat[i]) + 3; /* add space and two quotes */ |
| 147 | 5621 #else |
| 5622 ++len; /* add space */ | |
| 628 | 5623 for (j = 0; pat[i][j] != NUL; ++j) |
| 5624 { | |
| 5625 if (vim_strchr(SHELL_SPECIAL, pat[i][j]) != NULL) | |
| 5626 ++len; /* may add a backslash */ | |
| 5627 ++len; | |
| 5628 } | |
| 147 | 5629 #endif |
| 5630 } | |
| 7 | 5631 command = alloc(len); |
| 5632 if (command == NULL) | |
| 5633 { | |
| 5634 /* out of memory */ | |
| 5635 vim_free(tempname); | |
| 5636 return FAIL; | |
| 5637 } | |
| 5638 | |
| 5639 /* | |
| 5640 * Build the shell command: | |
| 5641 * - Set $nonomatch depending on EW_NOTFOUND (hopefully the shell | |
| 5642 * recognizes this). | |
| 5643 * - Add the shell command to print the expanded names. | |
| 5644 * - Add the temp file name. | |
| 5645 * - Add the file name patterns. | |
| 5646 */ | |
| 5647 if (shell_style == STYLE_BT) | |
| 5648 { | |
| 628 | 5649 /* change `command; command& ` to (command; command ) */ |
| 5650 STRCPY(command, "("); | |
| 5651 STRCAT(command, pat[0] + 1); /* exclude first backtick */ | |
| 7 | 5652 p = command + STRLEN(command) - 1; |
| 628 | 5653 *p-- = ')'; /* remove last backtick */ |
| 7 | 5654 while (p > command && vim_iswhite(*p)) |
| 5655 --p; | |
| 5656 if (*p == '&') /* remove trailing '&' */ | |
| 5657 { | |
| 5658 ampersent = TRUE; | |
| 5659 *p = ' '; | |
| 5660 } | |
| 5661 STRCAT(command, ">"); | |
| 5662 } | |
| 5663 else | |
| 5664 { | |
| 5665 if (flags & EW_NOTFOUND) | |
| 5666 STRCPY(command, "set nonomatch; "); | |
| 5667 else | |
| 5668 STRCPY(command, "unset nonomatch; "); | |
| 5669 if (shell_style == STYLE_GLOB) | |
| 5670 STRCAT(command, "glob >"); | |
| 5671 else if (shell_style == STYLE_PRINT) | |
| 5672 STRCAT(command, "print -N >"); | |
| 1508 | 5673 else if (shell_style == STYLE_VIMGLOB) |
| 5674 STRCAT(command, sh_vimglob_func); | |
| 7 | 5675 else |
| 5676 STRCAT(command, "echo >"); | |
| 5677 } | |
| 1508 | 5678 |
| 7 | 5679 STRCAT(command, tempname); |
| 1508 | 5680 |
| 7 | 5681 if (shell_style != STYLE_BT) |
| 5682 for (i = 0; i < num_pat; ++i) | |
| 5683 { | |
| 5684 /* When using system() always add extra quotes, because the shell | |
| 628 | 5685 * is started twice. Otherwise put a backslash before special |
| 1450 | 5686 * characters, except inside ``. */ |
| 7 | 5687 #ifdef USE_SYSTEM |
| 5688 STRCAT(command, " \""); | |
| 5689 STRCAT(command, pat[i]); | |
| 5690 STRCAT(command, "\""); | |
| 5691 #else | |
| 233 | 5692 int intick = FALSE; |
| 5693 | |
| 7 | 5694 p = command + STRLEN(command); |
| 5695 *p++ = ' '; | |
| 628 | 5696 for (j = 0; pat[i][j] != NUL; ++j) |
| 233 | 5697 { |
| 5698 if (pat[i][j] == '`') | |
| 5699 intick = !intick; | |
| 628 | 5700 else if (pat[i][j] == '\\' && pat[i][j + 1] != NUL) |
| 5701 { | |
| 644 | 5702 /* Remove a backslash, take char literally. But keep |
| 652 | 5703 * backslash inside backticks, before a special character |
| 5704 * and before a backtick. */ | |
| 644 | 5705 if (intick |
| 652 | 5706 || vim_strchr(SHELL_SPECIAL, pat[i][j + 1]) != NULL |
| 5707 || pat[i][j + 1] == '`') | |
| 644 | 5708 *p++ = '\\'; |
| 648 | 5709 ++j; |
| 628 | 5710 } |
| 5711 else if (!intick && vim_strchr(SHELL_SPECIAL, | |
| 233 | 5712 pat[i][j]) != NULL) |
| 628 | 5713 /* Put a backslash before a special character, but not |
| 5714 * when inside ``. */ | |
| 5715 *p++ = '\\'; | |
| 648 | 5716 |
| 5717 /* Copy one character. */ | |
| 5718 *p++ = pat[i][j]; | |
| 233 | 5719 } |
| 7 | 5720 *p = NUL; |
| 5721 #endif | |
| 5722 } | |
| 5723 if (flags & EW_SILENT) | |
| 5724 show_shell_mess = FALSE; | |
| 5725 if (ampersent) | |
| 1508 | 5726 STRCAT(command, "&"); /* put the '&' after the redirection */ |
| 7 | 5727 |
| 5728 /* | |
| 5729 * Using zsh -G: If a pattern has no matches, it is just deleted from | |
| 5730 * the argument list, otherwise zsh gives an error message and doesn't | |
| 5731 * expand any other pattern. | |
| 5732 */ | |
| 5733 if (shell_style == STYLE_PRINT) | |
| 5734 extra_shell_arg = (char_u *)"-G"; /* Use zsh NULL_GLOB option */ | |
| 5735 | |
| 5736 /* | |
| 5737 * If we use -f then shell variables set in .cshrc won't get expanded. | |
| 5738 * vi can do it, so we will too, but it is only necessary if there is a "$" | |
| 5739 * in one of the patterns, otherwise we can still use the fast option. | |
| 5740 */ | |
| 5741 else if (shell_style == STYLE_GLOB && !have_dollars(num_pat, pat)) | |
| 5742 extra_shell_arg = (char_u *)"-f"; /* Use csh fast option */ | |
| 5743 | |
| 5744 /* | |
| 5745 * execute the shell command | |
| 5746 */ | |
| 5747 i = call_shell(command, SHELL_EXPAND | SHELL_SILENT); | |
| 5748 | |
| 5749 /* When running in the background, give it some time to create the temp | |
| 5750 * file, but don't wait for it to finish. */ | |
| 5751 if (ampersent) | |
| 5752 mch_delay(10L, TRUE); | |
| 5753 | |
| 5754 extra_shell_arg = NULL; /* cleanup */ | |
| 5755 show_shell_mess = TRUE; | |
| 5756 vim_free(command); | |
| 5757 | |
| 1508 | 5758 if (i != 0) /* mch_call_shell() failed */ |
| 7 | 5759 { |
| 5760 mch_remove(tempname); | |
| 5761 vim_free(tempname); | |
| 5762 /* | |
| 5763 * With interactive completion, the error message is not printed. | |
| 5764 * However with USE_SYSTEM, I don't know how to turn off error messages | |
| 5765 * from the shell, so screen may still get messed up -- webb. | |
| 5766 */ | |
| 5767 #ifndef USE_SYSTEM | |
| 5768 if (!(flags & EW_SILENT)) | |
| 5769 #endif | |
| 5770 { | |
| 5771 redraw_later_clear(); /* probably messed up screen */ | |
| 5772 msg_putchar('\n'); /* clear bottom line quickly */ | |
| 5773 cmdline_row = Rows - 1; /* continue on last line */ | |
| 5774 #ifdef USE_SYSTEM | |
| 5775 if (!(flags & EW_SILENT)) | |
| 5776 #endif | |
| 5777 { | |
| 5778 MSG(_(e_wildexpand)); | |
| 5779 msg_start(); /* don't overwrite this message */ | |
| 5780 } | |
| 5781 } | |
| 5782 /* If a `cmd` expansion failed, don't list `cmd` as a match, even when | |
| 5783 * EW_NOTFOUND is given */ | |
| 5784 if (shell_style == STYLE_BT) | |
| 5785 return FAIL; | |
| 5786 goto notfound; | |
| 5787 } | |
| 5788 | |
| 5789 /* | |
| 5790 * read the names from the file into memory | |
| 5791 */ | |
| 5792 fd = fopen((char *)tempname, READBIN); | |
| 5793 if (fd == NULL) | |
| 5794 { | |
| 5795 /* Something went wrong, perhaps a file name with a special char. */ | |
| 5796 if (!(flags & EW_SILENT)) | |
| 5797 { | |
| 5798 MSG(_(e_wildexpand)); | |
| 5799 msg_start(); /* don't overwrite this message */ | |
| 5800 } | |
| 5801 vim_free(tempname); | |
| 5802 goto notfound; | |
| 5803 } | |
| 5804 fseek(fd, 0L, SEEK_END); | |
| 5805 len = ftell(fd); /* get size of temp file */ | |
| 5806 fseek(fd, 0L, SEEK_SET); | |
| 5807 buffer = alloc(len + 1); | |
| 5808 if (buffer == NULL) | |
| 5809 { | |
| 5810 /* out of memory */ | |
| 5811 mch_remove(tempname); | |
| 5812 vim_free(tempname); | |
| 5813 fclose(fd); | |
| 5814 return FAIL; | |
| 5815 } | |
| 5816 i = fread((char *)buffer, 1, len, fd); | |
| 5817 fclose(fd); | |
| 5818 mch_remove(tempname); | |
| 1877 | 5819 if (i != (int)len) |
| 7 | 5820 { |
| 5821 /* unexpected read error */ | |
| 5822 EMSG2(_(e_notread), tempname); | |
| 5823 vim_free(tempname); | |
| 5824 vim_free(buffer); | |
| 5825 return FAIL; | |
| 5826 } | |
| 5827 vim_free(tempname); | |
| 5828 | |
| 1508 | 5829 # if defined(__CYGWIN__) || defined(__CYGWIN32__) |
| 7 | 5830 /* Translate <CR><NL> into <NL>. Caution, buffer may contain NUL. */ |
| 5831 p = buffer; | |
| 5832 for (i = 0; i < len; ++i) | |
| 5833 if (!(buffer[i] == CAR && buffer[i + 1] == NL)) | |
| 5834 *p++ = buffer[i]; | |
| 5835 len = p - buffer; | |
| 5836 # endif | |
| 5837 | |
| 5838 | |
| 5839 /* file names are separated with Space */ | |
| 5840 if (shell_style == STYLE_ECHO) | |
| 5841 { | |
| 5842 buffer[len] = '\n'; /* make sure the buffer ends in NL */ | |
| 5843 p = buffer; | |
| 5844 for (i = 0; *p != '\n'; ++i) /* count number of entries */ | |
| 5845 { | |
| 5846 while (*p != ' ' && *p != '\n') | |
| 5847 ++p; | |
| 5848 p = skipwhite(p); /* skip to next entry */ | |
| 5849 } | |
| 5850 } | |
| 5851 /* file names are separated with NL */ | |
| 1508 | 5852 else if (shell_style == STYLE_BT || shell_style == STYLE_VIMGLOB) |
| 7 | 5853 { |
| 5854 buffer[len] = NUL; /* make sure the buffer ends in NUL */ | |
| 5855 p = buffer; | |
| 5856 for (i = 0; *p != NUL; ++i) /* count number of entries */ | |
| 5857 { | |
| 5858 while (*p != '\n' && *p != NUL) | |
| 5859 ++p; | |
| 5860 if (*p != NUL) | |
| 5861 ++p; | |
| 5862 p = skipwhite(p); /* skip leading white space */ | |
| 5863 } | |
| 5864 } | |
| 5865 /* file names are separated with NUL */ | |
| 5866 else | |
| 5867 { | |
| 5868 /* | |
| 5869 * Some versions of zsh use spaces instead of NULs to separate | |
| 5870 * results. Only do this when there is no NUL before the end of the | |
| 5871 * buffer, otherwise we would never be able to use file names with | |
| 5872 * embedded spaces when zsh does use NULs. | |
| 5873 * When we found a NUL once, we know zsh is OK, set did_find_nul and | |
| 5874 * don't check for spaces again. | |
| 5875 */ | |
| 5876 check_spaces = FALSE; | |
| 5877 if (shell_style == STYLE_PRINT && !did_find_nul) | |
| 5878 { | |
| 5879 /* If there is a NUL, set did_find_nul, else set check_spaces */ | |
| 2768 | 5880 buffer[len] = NUL; |
| 1877 | 5881 if (len && (int)STRLEN(buffer) < (int)len - 1) |
| 7 | 5882 did_find_nul = TRUE; |
| 5883 else | |
| 5884 check_spaces = TRUE; | |
| 5885 } | |
| 5886 | |
| 5887 /* | |
| 5888 * Make sure the buffer ends with a NUL. For STYLE_PRINT there | |
| 5889 * already is one, for STYLE_GLOB it needs to be added. | |
| 5890 */ | |
| 5891 if (len && buffer[len - 1] == NUL) | |
| 5892 --len; | |
| 5893 else | |
| 5894 buffer[len] = NUL; | |
| 5895 i = 0; | |
| 5896 for (p = buffer; p < buffer + len; ++p) | |
| 5897 if (*p == NUL || (*p == ' ' && check_spaces)) /* count entry */ | |
| 5898 { | |
| 5899 ++i; | |
| 5900 *p = NUL; | |
| 5901 } | |
| 5902 if (len) | |
| 5903 ++i; /* count last entry */ | |
| 5904 } | |
| 5905 if (i == 0) | |
| 5906 { | |
| 5907 /* | |
| 5908 * Can happen when using /bin/sh and typing ":e $NO_SUCH_VAR^I". | |
| 5909 * /bin/sh will happily expand it to nothing rather than returning an | |
| 5910 * error; and hey, it's good to check anyway -- webb. | |
| 5911 */ | |
| 5912 vim_free(buffer); | |
| 5913 goto notfound; | |
| 5914 } | |
| 5915 *num_file = i; | |
| 5916 *file = (char_u **)alloc(sizeof(char_u *) * i); | |
| 5917 if (*file == NULL) | |
| 5918 { | |
| 5919 /* out of memory */ | |
| 5920 vim_free(buffer); | |
| 5921 return FAIL; | |
| 5922 } | |
| 5923 | |
| 5924 /* | |
| 5925 * Isolate the individual file names. | |
| 5926 */ | |
| 5927 p = buffer; | |
| 5928 for (i = 0; i < *num_file; ++i) | |
| 5929 { | |
| 5930 (*file)[i] = p; | |
| 5931 /* Space or NL separates */ | |
| 1508 | 5932 if (shell_style == STYLE_ECHO || shell_style == STYLE_BT |
| 5933 || shell_style == STYLE_VIMGLOB) | |
| 7 | 5934 { |
| 652 | 5935 while (!(shell_style == STYLE_ECHO && *p == ' ') |
| 5936 && *p != '\n' && *p != NUL) | |
| 7 | 5937 ++p; |
| 5938 if (p == buffer + len) /* last entry */ | |
| 5939 *p = NUL; | |
| 5940 else | |
| 5941 { | |
| 5942 *p++ = NUL; | |
| 5943 p = skipwhite(p); /* skip to next entry */ | |
| 5944 } | |
| 5945 } | |
| 5946 else /* NUL separates */ | |
| 5947 { | |
| 5948 while (*p && p < buffer + len) /* skip entry */ | |
| 5949 ++p; | |
| 5950 ++p; /* skip NUL */ | |
| 5951 } | |
| 5952 } | |
| 5953 | |
| 5954 /* | |
| 5955 * Move the file names to allocated memory. | |
| 5956 */ | |
| 5957 for (j = 0, i = 0; i < *num_file; ++i) | |
| 5958 { | |
| 5959 /* Require the files to exist. Helps when using /bin/sh */ | |
| 5960 if (!(flags & EW_NOTFOUND) && mch_getperm((*file)[i]) < 0) | |
| 5961 continue; | |
| 5962 | |
| 5963 /* check if this entry should be included */ | |
| 5964 dir = (mch_isdir((*file)[i])); | |
| 5965 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
| 5966 continue; | |
| 5967 | |
| 715 | 5968 /* Skip files that are not executable if we check for that. */ |
| 5969 if (!dir && (flags & EW_EXEC) && !mch_can_exe((*file)[i])) | |
| 5970 continue; | |
| 5971 | |
| 7 | 5972 p = alloc((unsigned)(STRLEN((*file)[i]) + 1 + dir)); |
| 5973 if (p) | |
| 5974 { | |
| 5975 STRCPY(p, (*file)[i]); | |
| 5976 if (dir) | |
| 1479 | 5977 add_pathsep(p); /* add '/' to a directory name */ |
| 7 | 5978 (*file)[j++] = p; |
| 5979 } | |
| 5980 } | |
| 5981 vim_free(buffer); | |
| 5982 *num_file = j; | |
| 5983 | |
| 5984 if (*num_file == 0) /* rejected all entries */ | |
| 5985 { | |
| 5986 vim_free(*file); | |
| 5987 *file = NULL; | |
| 5988 goto notfound; | |
| 5989 } | |
| 5990 | |
| 5991 return OK; | |
| 5992 | |
| 5993 notfound: | |
| 5994 if (flags & EW_NOTFOUND) | |
| 5995 return save_patterns(num_pat, pat, num_file, file); | |
| 5996 return FAIL; | |
| 5997 | |
| 5998 #endif /* __EMX__ */ | |
| 5999 } | |
| 6000 | |
| 6001 #endif /* VMS */ | |
| 6002 | |
| 6003 #ifndef __EMX__ | |
| 6004 static int | |
| 6005 save_patterns(num_pat, pat, num_file, file) | |
| 6006 int num_pat; | |
| 6007 char_u **pat; | |
| 6008 int *num_file; | |
| 6009 char_u ***file; | |
| 6010 { | |
| 6011 int i; | |
| 99 | 6012 char_u *s; |
| 7 | 6013 |
| 6014 *file = (char_u **)alloc(num_pat * sizeof(char_u *)); | |
| 6015 if (*file == NULL) | |
| 6016 return FAIL; | |
| 6017 for (i = 0; i < num_pat; i++) | |
| 99 | 6018 { |
| 6019 s = vim_strsave(pat[i]); | |
| 6020 if (s != NULL) | |
| 6021 /* Be compatible with expand_filename(): halve the number of | |
| 6022 * backslashes. */ | |
| 6023 backslash_halve(s); | |
| 6024 (*file)[i] = s; | |
| 6025 } | |
| 7 | 6026 *num_file = num_pat; |
| 6027 return OK; | |
| 6028 } | |
| 6029 #endif | |
| 6030 | |
| 6031 | |
| 6032 /* | |
| 6033 * Return TRUE if the string "p" contains a wildcard that mch_expandpath() can | |
| 6034 * expand. | |
| 6035 */ | |
| 6036 int | |
| 6037 mch_has_exp_wildcard(p) | |
| 6038 char_u *p; | |
| 6039 { | |
| 39 | 6040 for ( ; *p; mb_ptr_adv(p)) |
| 7 | 6041 { |
| 6042 #ifndef OS2 | |
| 6043 if (*p == '\\' && p[1] != NUL) | |
| 6044 ++p; | |
| 6045 else | |
| 6046 #endif | |
| 6047 if (vim_strchr((char_u *) | |
| 6048 #ifdef VMS | |
| 6049 "*?%" | |
| 6050 #else | |
| 6051 # ifdef OS2 | |
| 6052 "*?" | |
| 6053 # else | |
| 6054 "*?[{'" | |
| 6055 # endif | |
| 6056 #endif | |
| 6057 , *p) != NULL) | |
| 6058 return TRUE; | |
| 6059 } | |
| 6060 return FALSE; | |
| 6061 } | |
| 6062 | |
| 6063 /* | |
| 6064 * Return TRUE if the string "p" contains a wildcard. | |
| 6065 * Don't recognize '~' at the end as a wildcard. | |
| 6066 */ | |
| 6067 int | |
| 6068 mch_has_wildcard(p) | |
| 6069 char_u *p; | |
| 6070 { | |
| 39 | 6071 for ( ; *p; mb_ptr_adv(p)) |
| 7 | 6072 { |
| 6073 #ifndef OS2 | |
| 6074 if (*p == '\\' && p[1] != NUL) | |
| 6075 ++p; | |
| 6076 else | |
| 6077 #endif | |
| 6078 if (vim_strchr((char_u *) | |
| 6079 #ifdef VMS | |
| 6080 "*?%$" | |
| 6081 #else | |
| 6082 # ifdef OS2 | |
| 6083 # ifdef VIM_BACKTICK | |
| 6084 "*?$`" | |
| 6085 # else | |
| 6086 "*?$" | |
| 6087 # endif | |
| 6088 # else | |
| 6089 "*?[{`'$" | |
| 6090 # endif | |
| 6091 #endif | |
| 6092 , *p) != NULL | |
| 6093 || (*p == '~' && p[1] != NUL)) | |
| 6094 return TRUE; | |
| 6095 } | |
| 6096 return FALSE; | |
| 6097 } | |
| 6098 | |
| 6099 #ifndef __EMX__ | |
| 6100 static int | |
| 6101 have_wildcard(num, file) | |
| 6102 int num; | |
| 6103 char_u **file; | |
| 6104 { | |
| 6105 int i; | |
| 6106 | |
| 6107 for (i = 0; i < num; i++) | |
| 6108 if (mch_has_wildcard(file[i])) | |
| 6109 return 1; | |
| 6110 return 0; | |
| 6111 } | |
| 6112 | |
| 6113 static int | |
| 6114 have_dollars(num, file) | |
| 6115 int num; | |
| 6116 char_u **file; | |
| 6117 { | |
| 6118 int i; | |
| 6119 | |
| 6120 for (i = 0; i < num; i++) | |
| 6121 if (vim_strchr(file[i], '$') != NULL) | |
| 6122 return TRUE; | |
| 6123 return FALSE; | |
| 6124 } | |
| 6125 #endif /* ifndef __EMX__ */ | |
| 6126 | |
| 6127 #ifndef HAVE_RENAME | |
| 6128 /* | |
| 6129 * Scaled-down version of rename(), which is missing in Xenix. | |
| 6130 * This version can only move regular files and will fail if the | |
| 6131 * destination exists. | |
| 6132 */ | |
| 6133 int | |
| 6134 mch_rename(src, dest) | |
| 6135 const char *src, *dest; | |
| 6136 { | |
| 6137 struct stat st; | |
| 6138 | |
| 6139 if (stat(dest, &st) >= 0) /* fail if destination exists */ | |
| 6140 return -1; | |
| 6141 if (link(src, dest) != 0) /* link file to new name */ | |
| 6142 return -1; | |
| 6143 if (mch_remove(src) == 0) /* delete link to old name */ | |
| 6144 return 0; | |
| 6145 return -1; | |
| 6146 } | |
| 6147 #endif /* !HAVE_RENAME */ | |
| 6148 | |
| 6149 #ifdef FEAT_MOUSE_GPM | |
| 6150 /* | |
| 6151 * Initializes connection with gpm (if it isn't already opened) | |
| 6152 * Return 1 if succeeded (or connection already opened), 0 if failed | |
| 6153 */ | |
| 6154 static int | |
| 6155 gpm_open() | |
| 6156 { | |
| 6157 static Gpm_Connect gpm_connect; /* Must it be kept till closing ? */ | |
| 6158 | |
| 6159 if (!gpm_flag) | |
| 6160 { | |
| 6161 gpm_connect.eventMask = (GPM_UP | GPM_DRAG | GPM_DOWN); | |
| 6162 gpm_connect.defaultMask = ~GPM_HARD; | |
| 6163 /* Default handling for mouse move*/ | |
| 6164 gpm_connect.minMod = 0; /* Handle any modifier keys */ | |
| 6165 gpm_connect.maxMod = 0xffff; | |
| 6166 if (Gpm_Open(&gpm_connect, 0) > 0) | |
| 6167 { | |
| 6168 /* gpm library tries to handling TSTP causes | |
| 6169 * problems. Anyways, we close connection to Gpm whenever | |
| 6170 * we are going to suspend or starting an external process | |
| 1450 | 6171 * so we shouldn't have problem with this |
| 7 | 6172 */ |
| 1832 | 6173 # ifdef SIGTSTP |
| 7 | 6174 signal(SIGTSTP, restricted ? SIG_IGN : SIG_DFL); |
| 1832 | 6175 # endif |
| 7 | 6176 return 1; /* succeed */ |
| 6177 } | |
| 6178 if (gpm_fd == -2) | |
| 6179 Gpm_Close(); /* We don't want to talk to xterm via gpm */ | |
| 6180 return 0; | |
| 6181 } | |
| 6182 return 1; /* already open */ | |
| 6183 } | |
| 6184 | |
| 6185 /* | |
| 6186 * Closes connection to gpm | |
| 6187 */ | |
| 6188 static void | |
| 6189 gpm_close() | |
| 6190 { | |
| 6191 if (gpm_flag && gpm_fd >= 0) /* if Open */ | |
| 6192 Gpm_Close(); | |
| 6193 } | |
| 6194 | |
| 6195 /* Reads gpm event and adds special keys to input buf. Returns length of | |
| 6196 * generated key sequence. | |
| 6197 * This function is made after gui_send_mouse_event | |
| 6198 */ | |
| 6199 static int | |
| 6200 mch_gpm_process() | |
| 6201 { | |
| 6202 int button; | |
| 6203 static Gpm_Event gpm_event; | |
| 6204 char_u string[6]; | |
| 6205 int_u vim_modifiers; | |
| 6206 int row,col; | |
| 6207 unsigned char buttons_mask; | |
| 6208 unsigned char gpm_modifiers; | |
| 6209 static unsigned char old_buttons = 0; | |
| 6210 | |
| 6211 Gpm_GetEvent(&gpm_event); | |
| 6212 | |
| 6213 #ifdef FEAT_GUI | |
| 6214 /* Don't put events in the input queue now. */ | |
| 6215 if (hold_gui_events) | |
| 6216 return 0; | |
| 6217 #endif | |
| 6218 | |
| 6219 row = gpm_event.y - 1; | |
| 6220 col = gpm_event.x - 1; | |
| 6221 | |
| 6222 string[0] = ESC; /* Our termcode */ | |
| 6223 string[1] = 'M'; | |
| 6224 string[2] = 'G'; | |
| 6225 switch (GPM_BARE_EVENTS(gpm_event.type)) | |
| 6226 { | |
| 6227 case GPM_DRAG: | |
| 6228 string[3] = MOUSE_DRAG; | |
| 6229 break; | |
| 6230 case GPM_DOWN: | |
| 6231 buttons_mask = gpm_event.buttons & ~old_buttons; | |
| 6232 old_buttons = gpm_event.buttons; | |
| 6233 switch (buttons_mask) | |
| 6234 { | |
| 6235 case GPM_B_LEFT: | |
| 6236 button = MOUSE_LEFT; | |
| 6237 break; | |
| 6238 case GPM_B_MIDDLE: | |
| 6239 button = MOUSE_MIDDLE; | |
| 6240 break; | |
| 6241 case GPM_B_RIGHT: | |
| 6242 button = MOUSE_RIGHT; | |
| 6243 break; | |
| 6244 default: | |
| 6245 return 0; | |
| 6246 /*Don't know what to do. Can more than one button be | |
| 6247 * reported in one event? */ | |
| 6248 } | |
| 6249 string[3] = (char_u)(button | 0x20); | |
| 6250 SET_NUM_MOUSE_CLICKS(string[3], gpm_event.clicks + 1); | |
| 6251 break; | |
| 6252 case GPM_UP: | |
| 6253 string[3] = MOUSE_RELEASE; | |
| 6254 old_buttons &= ~gpm_event.buttons; | |
| 6255 break; | |
| 6256 default: | |
| 6257 return 0; | |
| 6258 } | |
| 6259 /*This code is based on gui_x11_mouse_cb in gui_x11.c */ | |
| 6260 gpm_modifiers = gpm_event.modifiers; | |
| 6261 vim_modifiers = 0x0; | |
| 6262 /* I ignore capslock stats. Aren't we all just hate capslock mixing with | |
| 6263 * Vim commands ? Besides, gpm_event.modifiers is unsigned char, and | |
| 6264 * K_CAPSSHIFT is defined 8, so it probably isn't even reported | |
| 6265 */ | |
| 6266 if (gpm_modifiers & ((1 << KG_SHIFT) | (1 << KG_SHIFTR) | (1 << KG_SHIFTL))) | |
| 6267 vim_modifiers |= MOUSE_SHIFT; | |
| 6268 | |
| 6269 if (gpm_modifiers & ((1 << KG_CTRL) | (1 << KG_CTRLR) | (1 << KG_CTRLL))) | |
| 6270 vim_modifiers |= MOUSE_CTRL; | |
| 6271 if (gpm_modifiers & ((1 << KG_ALT) | (1 << KG_ALTGR))) | |
| 6272 vim_modifiers |= MOUSE_ALT; | |
| 6273 string[3] |= vim_modifiers; | |
| 6274 string[4] = (char_u)(col + ' ' + 1); | |
| 6275 string[5] = (char_u)(row + ' ' + 1); | |
| 6276 add_to_input_buf(string, 6); | |
| 6277 return 6; | |
| 6278 } | |
| 6279 #endif /* FEAT_MOUSE_GPM */ | |
| 6280 | |
| 1620 | 6281 #ifdef FEAT_SYSMOUSE |
| 6282 /* | |
| 6283 * Initialize connection with sysmouse. | |
| 6284 * Let virtual console inform us with SIGUSR2 for pending sysmouse | |
| 6285 * output, any sysmouse output than will be processed via sig_sysmouse(). | |
| 6286 * Return OK if succeeded, FAIL if failed. | |
| 6287 */ | |
| 6288 static int | |
| 6289 sysmouse_open() | |
| 6290 { | |
| 6291 struct mouse_info mouse; | |
| 6292 | |
| 6293 mouse.operation = MOUSE_MODE; | |
| 6294 mouse.u.mode.mode = 0; | |
| 6295 mouse.u.mode.signal = SIGUSR2; | |
| 6296 if (ioctl(1, CONS_MOUSECTL, &mouse) != -1) | |
| 6297 { | |
| 6298 signal(SIGUSR2, (RETSIGTYPE (*)())sig_sysmouse); | |
| 6299 mouse.operation = MOUSE_SHOW; | |
| 6300 ioctl(1, CONS_MOUSECTL, &mouse); | |
| 6301 return OK; | |
| 6302 } | |
| 6303 return FAIL; | |
| 6304 } | |
| 6305 | |
| 6306 /* | |
| 6307 * Stop processing SIGUSR2 signals, and also make sure that | |
| 6308 * virtual console do not send us any sysmouse related signal. | |
| 6309 */ | |
| 6310 static void | |
| 6311 sysmouse_close() | |
| 6312 { | |
| 6313 struct mouse_info mouse; | |
| 6314 | |
| 6315 signal(SIGUSR2, restricted ? SIG_IGN : SIG_DFL); | |
| 6316 mouse.operation = MOUSE_MODE; | |
| 6317 mouse.u.mode.mode = 0; | |
| 6318 mouse.u.mode.signal = 0; | |
| 6319 ioctl(1, CONS_MOUSECTL, &mouse); | |
| 6320 } | |
| 6321 | |
| 6322 /* | |
| 6323 * Gets info from sysmouse and adds special keys to input buf. | |
| 6324 */ | |
| 6325 static RETSIGTYPE | |
| 6326 sig_sysmouse SIGDEFARG(sigarg) | |
| 6327 { | |
| 6328 struct mouse_info mouse; | |
| 6329 struct video_info video; | |
| 6330 char_u string[6]; | |
| 6331 int row, col; | |
| 6332 int button; | |
| 6333 int buttons; | |
| 6334 static int oldbuttons = 0; | |
| 6335 | |
| 6336 #ifdef FEAT_GUI | |
| 6337 /* Don't put events in the input queue now. */ | |
| 6338 if (hold_gui_events) | |
| 6339 return; | |
| 6340 #endif | |
| 6341 | |
| 6342 mouse.operation = MOUSE_GETINFO; | |
| 6343 if (ioctl(1, FBIO_GETMODE, &video.vi_mode) != -1 | |
| 6344 && ioctl(1, FBIO_MODEINFO, &video) != -1 | |
| 6345 && ioctl(1, CONS_MOUSECTL, &mouse) != -1 | |
| 6346 && video.vi_cheight > 0 && video.vi_cwidth > 0) | |
| 6347 { | |
| 6348 row = mouse.u.data.y / video.vi_cheight; | |
| 6349 col = mouse.u.data.x / video.vi_cwidth; | |
| 6350 buttons = mouse.u.data.buttons; | |
| 6351 string[0] = ESC; /* Our termcode */ | |
| 6352 string[1] = 'M'; | |
| 6353 string[2] = 'S'; | |
| 6354 if (oldbuttons == buttons && buttons != 0) | |
| 6355 { | |
| 6356 button = MOUSE_DRAG; | |
| 6357 } | |
| 6358 else | |
| 6359 { | |
| 6360 switch (buttons) | |
| 6361 { | |
| 6362 case 0: | |
| 6363 button = MOUSE_RELEASE; | |
| 6364 break; | |
| 6365 case 1: | |
| 6366 button = MOUSE_LEFT; | |
| 6367 break; | |
| 6368 case 2: | |
| 6369 button = MOUSE_MIDDLE; | |
| 6370 break; | |
| 6371 case 4: | |
| 6372 button = MOUSE_RIGHT; | |
| 6373 break; | |
| 6374 default: | |
| 6375 return; | |
| 6376 } | |
| 6377 oldbuttons = buttons; | |
| 6378 } | |
| 6379 string[3] = (char_u)(button); | |
| 6380 string[4] = (char_u)(col + ' ' + 1); | |
| 6381 string[5] = (char_u)(row + ' ' + 1); | |
| 6382 add_to_input_buf(string, 6); | |
| 6383 } | |
| 6384 return; | |
| 6385 } | |
| 6386 #endif /* FEAT_SYSMOUSE */ | |
| 6387 | |
| 7 | 6388 #if defined(FEAT_LIBCALL) || defined(PROTO) |
| 6389 typedef char_u * (*STRPROCSTR)__ARGS((char_u *)); | |
| 6390 typedef char_u * (*INTPROCSTR)__ARGS((int)); | |
| 6391 typedef int (*STRPROCINT)__ARGS((char_u *)); | |
| 6392 typedef int (*INTPROCINT)__ARGS((int)); | |
| 6393 | |
| 6394 /* | |
| 6395 * Call a DLL routine which takes either a string or int param | |
| 6396 * and returns an allocated string. | |
| 6397 */ | |
| 6398 int | |
| 6399 mch_libcall(libname, funcname, argstring, argint, string_result, number_result) | |
| 6400 char_u *libname; | |
| 6401 char_u *funcname; | |
| 6402 char_u *argstring; /* NULL when using a argint */ | |
| 6403 int argint; | |
| 6404 char_u **string_result;/* NULL when using number_result */ | |
| 6405 int *number_result; | |
| 6406 { | |
| 6407 # if defined(USE_DLOPEN) | |
| 6408 void *hinstLib; | |
| 12 | 6409 char *dlerr = NULL; |
| 7 | 6410 # else |
| 6411 shl_t hinstLib; | |
| 6412 # endif | |
| 6413 STRPROCSTR ProcAdd; | |
| 6414 INTPROCSTR ProcAddI; | |
| 6415 char_u *retval_str = NULL; | |
| 6416 int retval_int = 0; | |
| 6417 int success = FALSE; | |
| 6418 | |
| 900 | 6419 /* |
| 6420 * Get a handle to the DLL module. | |
| 6421 */ | |
| 7 | 6422 # if defined(USE_DLOPEN) |
| 900 | 6423 /* First clear any error, it's not cleared by the dlopen() call. */ |
| 6424 (void)dlerror(); | |
| 6425 | |
| 7 | 6426 hinstLib = dlopen((char *)libname, RTLD_LAZY |
| 6427 # ifdef RTLD_LOCAL | |
| 6428 | RTLD_LOCAL | |
| 6429 # endif | |
| 6430 ); | |
| 12 | 6431 if (hinstLib == NULL) |
| 6432 { | |
| 6433 /* "dlerr" must be used before dlclose() */ | |
| 6434 dlerr = (char *)dlerror(); | |
| 6435 if (dlerr != NULL) | |
| 6436 EMSG2(_("dlerror = \"%s\""), dlerr); | |
| 6437 } | |
| 7 | 6438 # else |
| 6439 hinstLib = shl_load((const char*)libname, BIND_IMMEDIATE|BIND_VERBOSE, 0L); | |
| 6440 # endif | |
| 6441 | |
| 6442 /* If the handle is valid, try to get the function address. */ | |
| 6443 if (hinstLib != NULL) | |
| 6444 { | |
| 6445 # ifdef HAVE_SETJMP_H | |
| 6446 /* | |
| 6447 * Catch a crash when calling the library function. For example when | |
| 6448 * using a number where a string pointer is expected. | |
| 6449 */ | |
| 6450 mch_startjmp(); | |
| 6451 if (SETJMP(lc_jump_env) != 0) | |
| 6452 { | |
| 6453 success = FALSE; | |
| 857 | 6454 # if defined(USE_DLOPEN) |
| 12 | 6455 dlerr = NULL; |
| 857 | 6456 # endif |
| 7 | 6457 mch_didjmp(); |
| 6458 } | |
| 6459 else | |
| 6460 # endif | |
| 6461 { | |
| 6462 retval_str = NULL; | |
| 6463 retval_int = 0; | |
| 6464 | |
| 6465 if (argstring != NULL) | |
| 6466 { | |
| 6467 # if defined(USE_DLOPEN) | |
| 6468 ProcAdd = (STRPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
| 12 | 6469 dlerr = (char *)dlerror(); |
| 7 | 6470 # else |
| 6471 if (shl_findsym(&hinstLib, (const char *)funcname, | |
| 6472 TYPE_PROCEDURE, (void *)&ProcAdd) < 0) | |
| 6473 ProcAdd = NULL; | |
| 6474 # endif | |
| 12 | 6475 if ((success = (ProcAdd != NULL |
| 6476 # if defined(USE_DLOPEN) | |
| 6477 && dlerr == NULL | |
| 6478 # endif | |
| 6479 ))) | |
| 7 | 6480 { |
| 6481 if (string_result == NULL) | |
| 6482 retval_int = ((STRPROCINT)ProcAdd)(argstring); | |
| 6483 else | |
| 6484 retval_str = (ProcAdd)(argstring); | |
| 6485 } | |
| 6486 } | |
| 6487 else | |
| 6488 { | |
| 6489 # if defined(USE_DLOPEN) | |
| 6490 ProcAddI = (INTPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
| 12 | 6491 dlerr = (char *)dlerror(); |
| 7 | 6492 # else |
| 6493 if (shl_findsym(&hinstLib, (const char *)funcname, | |
| 6494 TYPE_PROCEDURE, (void *)&ProcAddI) < 0) | |
| 6495 ProcAddI = NULL; | |
| 6496 # endif | |
| 12 | 6497 if ((success = (ProcAddI != NULL |
| 6498 # if defined(USE_DLOPEN) | |
| 6499 && dlerr == NULL | |
| 6500 # endif | |
| 6501 ))) | |
| 7 | 6502 { |
| 6503 if (string_result == NULL) | |
| 6504 retval_int = ((INTPROCINT)ProcAddI)(argint); | |
| 6505 else | |
| 6506 retval_str = (ProcAddI)(argint); | |
| 6507 } | |
| 6508 } | |
| 6509 | |
| 6510 /* Save the string before we free the library. */ | |
| 6511 /* Assume that a "1" or "-1" result is an illegal pointer. */ | |
| 6512 if (string_result == NULL) | |
| 6513 *number_result = retval_int; | |
| 6514 else if (retval_str != NULL | |
| 6515 && retval_str != (char_u *)1 | |
| 6516 && retval_str != (char_u *)-1) | |
| 6517 *string_result = vim_strsave(retval_str); | |
| 6518 } | |
| 6519 | |
| 6520 # ifdef HAVE_SETJMP_H | |
| 6521 mch_endjmp(); | |
| 6522 # ifdef SIGHASARG | |
| 6523 if (lc_signal != 0) | |
| 6524 { | |
| 6525 int i; | |
| 6526 | |
| 6527 /* try to find the name of this signal */ | |
| 6528 for (i = 0; signal_info[i].sig != -1; i++) | |
| 6529 if (lc_signal == signal_info[i].sig) | |
| 6530 break; | |
| 6531 EMSG2("E368: got SIG%s in libcall()", signal_info[i].name); | |
| 6532 } | |
| 6533 # endif | |
| 6534 # endif | |
| 6535 | |
| 12 | 6536 # if defined(USE_DLOPEN) |
| 6537 /* "dlerr" must be used before dlclose() */ | |
| 6538 if (dlerr != NULL) | |
| 6539 EMSG2(_("dlerror = \"%s\""), dlerr); | |
| 6540 | |
| 7 | 6541 /* Free the DLL module. */ |
| 6542 (void)dlclose(hinstLib); | |
| 6543 # else | |
| 6544 (void)shl_unload(hinstLib); | |
| 6545 # endif | |
| 6546 } | |
| 6547 | |
| 6548 if (!success) | |
| 6549 { | |
| 6550 EMSG2(_(e_libcall), funcname); | |
| 6551 return FAIL; | |
| 6552 } | |
| 6553 | |
| 6554 return OK; | |
| 6555 } | |
| 6556 #endif | |
| 6557 | |
| 6558 #if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) || defined(PROTO) | |
| 6559 static int xterm_trace = -1; /* default: disabled */ | |
| 6560 static int xterm_button; | |
| 6561 | |
| 6562 /* | |
| 6563 * Setup a dummy window for X selections in a terminal. | |
| 6564 */ | |
| 6565 void | |
| 6566 setup_term_clip() | |
| 6567 { | |
| 6568 int z = 0; | |
| 6569 char *strp = ""; | |
| 6570 Widget AppShell; | |
| 6571 | |
| 6572 if (!x_connect_to_server()) | |
| 6573 return; | |
| 6574 | |
| 6575 open_app_context(); | |
| 6576 if (app_context != NULL && xterm_Shell == (Widget)0) | |
| 6577 { | |
| 6578 int (*oldhandler)(); | |
| 6579 #if defined(HAVE_SETJMP_H) | |
| 6580 int (*oldIOhandler)(); | |
| 6581 #endif | |
| 6582 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 6583 struct timeval start_tv; | |
| 6584 | |
| 6585 if (p_verbose > 0) | |
| 6586 gettimeofday(&start_tv, NULL); | |
| 6587 # endif | |
| 6588 | |
| 6589 /* Ignore X errors while opening the display */ | |
| 6590 oldhandler = XSetErrorHandler(x_error_check); | |
| 6591 | |
| 6592 #if defined(HAVE_SETJMP_H) | |
| 6593 /* Ignore X IO errors while opening the display */ | |
| 6594 oldIOhandler = XSetIOErrorHandler(x_IOerror_check); | |
| 6595 mch_startjmp(); | |
| 6596 if (SETJMP(lc_jump_env) != 0) | |
| 6597 { | |
| 6598 mch_didjmp(); | |
| 6599 xterm_dpy = NULL; | |
| 6600 } | |
| 6601 else | |
| 6602 #endif | |
| 6603 { | |
| 6604 xterm_dpy = XtOpenDisplay(app_context, xterm_display, | |
| 6605 "vim_xterm", "Vim_xterm", NULL, 0, &z, &strp); | |
| 6606 #if defined(HAVE_SETJMP_H) | |
| 6607 mch_endjmp(); | |
| 6608 #endif | |
| 6609 } | |
| 6610 | |
| 6611 #if defined(HAVE_SETJMP_H) | |
| 6612 /* Now handle X IO errors normally. */ | |
| 6613 (void)XSetIOErrorHandler(oldIOhandler); | |
| 6614 #endif | |
| 6615 /* Now handle X errors normally. */ | |
| 6616 (void)XSetErrorHandler(oldhandler); | |
| 6617 | |
| 6618 if (xterm_dpy == NULL) | |
| 6619 { | |
| 6620 if (p_verbose > 0) | |
| 292 | 6621 verb_msg((char_u *)_("Opening the X display failed")); |
| 7 | 6622 return; |
| 6623 } | |
| 6624 | |
| 6625 /* Catch terminating error of the X server connection. */ | |
| 6626 (void)XSetIOErrorHandler(x_IOerror_handler); | |
| 6627 | |
| 6628 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 6629 if (p_verbose > 0) | |
| 292 | 6630 { |
| 6631 verbose_enter(); | |
| 7 | 6632 xopen_message(&start_tv); |
| 292 | 6633 verbose_leave(); |
| 6634 } | |
| 7 | 6635 # endif |
| 6636 | |
| 6637 /* Create a Shell to make converters work. */ | |
| 6638 AppShell = XtVaAppCreateShell("vim_xterm", "Vim_xterm", | |
| 6639 applicationShellWidgetClass, xterm_dpy, | |
| 6640 NULL); | |
| 6641 if (AppShell == (Widget)0) | |
| 6642 return; | |
| 6643 xterm_Shell = XtVaCreatePopupShell("VIM", | |
| 6644 topLevelShellWidgetClass, AppShell, | |
| 6645 XtNmappedWhenManaged, 0, | |
| 6646 XtNwidth, 1, | |
| 6647 XtNheight, 1, | |
| 6648 NULL); | |
| 6649 if (xterm_Shell == (Widget)0) | |
| 6650 return; | |
| 6651 | |
| 6652 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
|
6653 x11_setup_selection(xterm_Shell); |
| 7 | 6654 if (x11_display == NULL) |
| 6655 x11_display = xterm_dpy; | |
| 6656 | |
| 6657 XtRealizeWidget(xterm_Shell); | |
| 6658 XSync(xterm_dpy, False); | |
| 6659 xterm_update(); | |
| 6660 } | |
| 6661 if (xterm_Shell != (Widget)0) | |
| 6662 { | |
| 6663 clip_init(TRUE); | |
| 6664 if (x11_window == 0 && (strp = getenv("WINDOWID")) != NULL) | |
| 6665 x11_window = (Window)atol(strp); | |
| 6666 /* Check if $WINDOWID is valid. */ | |
| 6667 if (test_x11_window(xterm_dpy) == FAIL) | |
| 6668 x11_window = 0; | |
| 6669 if (x11_window != 0) | |
| 6670 xterm_trace = 0; | |
| 6671 } | |
| 6672 } | |
| 6673 | |
| 6674 void | |
| 6675 start_xterm_trace(button) | |
| 6676 int button; | |
| 6677 { | |
| 6678 if (x11_window == 0 || xterm_trace < 0 || xterm_Shell == (Widget)0) | |
| 6679 return; | |
| 6680 xterm_trace = 1; | |
| 6681 xterm_button = button; | |
| 6682 do_xterm_trace(); | |
| 6683 } | |
| 6684 | |
| 6685 | |
| 6686 void | |
| 6687 stop_xterm_trace() | |
| 6688 { | |
| 6689 if (xterm_trace < 0) | |
| 6690 return; | |
| 6691 xterm_trace = 0; | |
| 6692 } | |
| 6693 | |
| 6694 /* | |
| 6695 * Query the xterm pointer and generate mouse termcodes if necessary | |
| 6696 * return TRUE if dragging is active, else FALSE | |
| 6697 */ | |
| 6698 static int | |
| 6699 do_xterm_trace() | |
| 6700 { | |
| 6701 Window root, child; | |
| 6702 int root_x, root_y; | |
| 6703 int win_x, win_y; | |
| 6704 int row, col; | |
| 6705 int_u mask_return; | |
| 6706 char_u buf[50]; | |
| 6707 char_u *strp; | |
| 6708 long got_hints; | |
| 6709 static char_u *mouse_code; | |
| 6710 static char_u mouse_name[2] = {KS_MOUSE, KE_FILLER}; | |
| 6711 static int prev_row = 0, prev_col = 0; | |
| 6712 static XSizeHints xterm_hints; | |
| 6713 | |
| 6714 if (xterm_trace <= 0) | |
| 6715 return FALSE; | |
| 6716 | |
| 6717 if (xterm_trace == 1) | |
| 6718 { | |
| 6719 /* Get the hints just before tracking starts. The font size might | |
| 1510 | 6720 * have changed recently. */ |
| 6721 if (!XGetWMNormalHints(xterm_dpy, x11_window, &xterm_hints, &got_hints) | |
| 6722 || !(got_hints & PResizeInc) | |
| 7 | 6723 || xterm_hints.width_inc <= 1 |
| 6724 || xterm_hints.height_inc <= 1) | |
| 6725 { | |
| 6726 xterm_trace = -1; /* Not enough data -- disable tracing */ | |
| 6727 return FALSE; | |
| 6728 } | |
| 6729 | |
| 6730 /* Rely on the same mouse code for the duration of this */ | |
| 6731 mouse_code = find_termcode(mouse_name); | |
| 6732 prev_row = mouse_row; | |
| 6733 prev_row = mouse_col; | |
| 6734 xterm_trace = 2; | |
| 6735 | |
| 6736 /* Find the offset of the chars, there might be a scrollbar on the | |
| 6737 * left of the window and/or a menu on the top (eterm etc.) */ | |
| 6738 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
| 6739 &win_x, &win_y, &mask_return); | |
| 6740 xterm_hints.y = win_y - (xterm_hints.height_inc * mouse_row) | |
| 6741 - (xterm_hints.height_inc / 2); | |
| 6742 if (xterm_hints.y <= xterm_hints.height_inc / 2) | |
| 6743 xterm_hints.y = 2; | |
| 6744 xterm_hints.x = win_x - (xterm_hints.width_inc * mouse_col) | |
| 6745 - (xterm_hints.width_inc / 2); | |
| 6746 if (xterm_hints.x <= xterm_hints.width_inc / 2) | |
| 6747 xterm_hints.x = 2; | |
| 6748 return TRUE; | |
| 6749 } | |
| 2768 | 6750 if (mouse_code == NULL || STRLEN(mouse_code) > 45) |
| 7 | 6751 { |
| 6752 xterm_trace = 0; | |
| 6753 return FALSE; | |
| 6754 } | |
| 6755 | |
| 6756 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
| 6757 &win_x, &win_y, &mask_return); | |
| 6758 | |
| 6759 row = check_row((win_y - xterm_hints.y) / xterm_hints.height_inc); | |
| 6760 col = check_col((win_x - xterm_hints.x) / xterm_hints.width_inc); | |
| 6761 if (row == prev_row && col == prev_col) | |
| 6762 return TRUE; | |
| 6763 | |
| 6764 STRCPY(buf, mouse_code); | |
| 6765 strp = buf + STRLEN(buf); | |
| 6766 *strp++ = (xterm_button | MOUSE_DRAG) & ~0x20; | |
| 6767 *strp++ = (char_u)(col + ' ' + 1); | |
| 6768 *strp++ = (char_u)(row + ' ' + 1); | |
| 6769 *strp = 0; | |
| 6770 add_to_input_buf(buf, STRLEN(buf)); | |
| 6771 | |
| 6772 prev_row = row; | |
| 6773 prev_col = col; | |
| 6774 return TRUE; | |
| 6775 } | |
| 6776 | |
| 6777 # if defined(FEAT_GUI) || defined(PROTO) | |
| 6778 /* | |
| 6779 * Destroy the display, window and app_context. Required for GTK. | |
| 6780 */ | |
| 6781 void | |
| 6782 clear_xterm_clip() | |
| 6783 { | |
| 6784 if (xterm_Shell != (Widget)0) | |
| 6785 { | |
| 6786 XtDestroyWidget(xterm_Shell); | |
| 6787 xterm_Shell = (Widget)0; | |
| 6788 } | |
| 6789 if (xterm_dpy != NULL) | |
| 6790 { | |
| 1605 | 6791 # if 0 |
| 7 | 6792 /* Lesstif and Solaris crash here, lose some memory */ |
| 6793 XtCloseDisplay(xterm_dpy); | |
| 1605 | 6794 # endif |
| 7 | 6795 if (x11_display == xterm_dpy) |
| 6796 x11_display = NULL; | |
| 6797 xterm_dpy = NULL; | |
| 6798 } | |
| 1605 | 6799 # if 0 |
| 7 | 6800 if (app_context != (XtAppContext)NULL) |
| 6801 { | |
| 6802 /* Lesstif and Solaris crash here, lose some memory */ | |
| 6803 XtDestroyApplicationContext(app_context); | |
| 6804 app_context = (XtAppContext)NULL; | |
| 6805 } | |
| 1605 | 6806 # endif |
| 7 | 6807 } |
| 6808 # endif | |
| 6809 | |
| 6810 /* | |
| 6811 * Catch up with any queued X events. This may put keyboard input into the | |
| 6812 * input buffer, call resize call-backs, trigger timers etc. If there is | |
| 6813 * nothing in the X event queue (& no timers pending), then we return | |
| 6814 * immediately. | |
| 6815 */ | |
| 6816 static void | |
| 6817 xterm_update() | |
| 6818 { | |
| 6819 XEvent event; | |
| 6820 | |
| 6821 while (XtAppPending(app_context) && !vim_is_input_buf_full()) | |
| 6822 { | |
| 6823 XtAppNextEvent(app_context, &event); | |
| 6824 #ifdef FEAT_CLIENTSERVER | |
| 6825 { | |
| 6826 XPropertyEvent *e = (XPropertyEvent *)&event; | |
| 6827 | |
| 6828 if (e->type == PropertyNotify && e->window == commWindow | |
| 6829 && e->atom == commProperty && e->state == PropertyNewValue) | |
| 6830 serverEventProc(xterm_dpy, &event); | |
| 6831 } | |
| 6832 #endif | |
| 6833 XtDispatchEvent(&event); | |
| 6834 } | |
| 6835 } | |
| 6836 | |
| 6837 int | |
| 6838 clip_xterm_own_selection(cbd) | |
| 6839 VimClipboard *cbd; | |
| 6840 { | |
| 6841 if (xterm_Shell != (Widget)0) | |
| 6842 return clip_x11_own_selection(xterm_Shell, cbd); | |
| 6843 return FAIL; | |
| 6844 } | |
| 6845 | |
| 6846 void | |
| 6847 clip_xterm_lose_selection(cbd) | |
| 6848 VimClipboard *cbd; | |
| 6849 { | |
| 6850 if (xterm_Shell != (Widget)0) | |
| 6851 clip_x11_lose_selection(xterm_Shell, cbd); | |
| 6852 } | |
| 6853 | |
| 6854 void | |
| 6855 clip_xterm_request_selection(cbd) | |
| 6856 VimClipboard *cbd; | |
| 6857 { | |
| 6858 if (xterm_Shell != (Widget)0) | |
| 6859 clip_x11_request_selection(xterm_Shell, xterm_dpy, cbd); | |
| 6860 } | |
| 6861 | |
| 6862 void | |
| 6863 clip_xterm_set_selection(cbd) | |
| 6864 VimClipboard *cbd; | |
| 6865 { | |
| 6866 clip_x11_set_selection(cbd); | |
| 6867 } | |
| 6868 #endif | |
| 6869 | |
| 6870 | |
| 6871 #if defined(USE_XSMP) || defined(PROTO) | |
| 6872 /* | |
| 6873 * Code for X Session Management Protocol. | |
| 6874 */ | |
| 6875 static void xsmp_handle_save_yourself __ARGS((SmcConn smc_conn, SmPointer client_data, int save_type, Bool shutdown, int interact_style, Bool fast)); | |
| 6876 static void xsmp_die __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6877 static void xsmp_save_complete __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6878 static void xsmp_shutdown_cancelled __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6879 static void xsmp_ice_connection __ARGS((IceConn iceConn, IcePointer clientData, Bool opening, IcePointer *watchData)); | |
| 6880 | |
| 6881 | |
| 6882 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
| 6883 static void xsmp_handle_interaction __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6884 | |
| 6885 /* | |
| 6886 * This is our chance to ask the user if they want to save, | |
| 6887 * or abort the logout | |
| 6888 */ | |
| 6889 static void | |
| 6890 xsmp_handle_interaction(smc_conn, client_data) | |
| 6891 SmcConn smc_conn; | |
| 1883 | 6892 SmPointer client_data UNUSED; |
| 7 | 6893 { |
| 6894 cmdmod_T save_cmdmod; | |
| 6895 int cancel_shutdown = False; | |
| 6896 | |
| 6897 save_cmdmod = cmdmod; | |
| 6898 cmdmod.confirm = TRUE; | |
| 6899 if (check_changed_any(FALSE)) | |
| 6900 /* Mustn't logout */ | |
| 6901 cancel_shutdown = True; | |
| 6902 cmdmod = save_cmdmod; | |
| 6903 setcursor(); /* position cursor */ | |
| 6904 out_flush(); | |
| 6905 | |
| 6906 /* Done interaction */ | |
| 6907 SmcInteractDone(smc_conn, cancel_shutdown); | |
| 6908 | |
| 6909 /* Finish off | |
| 6910 * Only end save-yourself here if we're not cancelling shutdown; | |
| 6911 * we'll get a cancelled callback later in which we'll end it. | |
| 6912 * Hopefully get around glitchy SMs (like GNOME-1) | |
| 6913 */ | |
| 6914 if (!cancel_shutdown) | |
| 6915 { | |
| 6916 xsmp.save_yourself = False; | |
| 6917 SmcSaveYourselfDone(smc_conn, True); | |
| 6918 } | |
| 6919 } | |
| 6920 # endif | |
| 6921 | |
| 6922 /* | |
| 6923 * Callback that starts save-yourself. | |
| 6924 */ | |
| 6925 static void | |
| 6926 xsmp_handle_save_yourself(smc_conn, client_data, save_type, | |
| 6927 shutdown, interact_style, fast) | |
| 6928 SmcConn smc_conn; | |
| 1883 | 6929 SmPointer client_data UNUSED; |
| 6930 int save_type UNUSED; | |
| 7 | 6931 Bool shutdown; |
| 1883 | 6932 int interact_style UNUSED; |
| 6933 Bool fast UNUSED; | |
| 7 | 6934 { |
| 6935 /* Handle already being in saveyourself */ | |
| 6936 if (xsmp.save_yourself) | |
| 6937 SmcSaveYourselfDone(smc_conn, True); | |
| 6938 xsmp.save_yourself = True; | |
| 6939 xsmp.shutdown = shutdown; | |
| 6940 | |
| 6941 /* First up, preserve all files */ | |
| 6942 out_flush(); | |
| 6943 ml_sync_all(FALSE, FALSE); /* preserve all swap files */ | |
| 6944 | |
| 6945 if (p_verbose > 0) | |
| 292 | 6946 verb_msg((char_u *)_("XSMP handling save-yourself request")); |
| 7 | 6947 |
| 6948 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
| 6949 /* Now see if we can ask about unsaved files */ | |
| 6950 if (shutdown && !fast && gui.in_use) | |
| 6951 /* Need to interact with user, but need SM's permission */ | |
| 6952 SmcInteractRequest(smc_conn, SmDialogError, | |
| 6953 xsmp_handle_interaction, client_data); | |
| 6954 else | |
| 6955 # endif | |
| 6956 { | |
| 6957 /* Can stop the cycle here */ | |
| 6958 SmcSaveYourselfDone(smc_conn, True); | |
| 6959 xsmp.save_yourself = False; | |
| 6960 } | |
| 6961 } | |
| 6962 | |
| 6963 | |
| 6964 /* | |
| 6965 * Callback to warn us of imminent death. | |
| 6966 */ | |
| 6967 static void | |
| 6968 xsmp_die(smc_conn, client_data) | |
| 1883 | 6969 SmcConn smc_conn UNUSED; |
| 6970 SmPointer client_data UNUSED; | |
| 7 | 6971 { |
| 6972 xsmp_close(); | |
| 6973 | |
| 6974 /* quit quickly leaving swapfiles for modified buffers behind */ | |
| 6975 getout_preserve_modified(0); | |
| 6976 } | |
| 6977 | |
| 6978 | |
| 6979 /* | |
| 6980 * Callback to tell us that save-yourself has completed. | |
| 6981 */ | |
| 6982 static void | |
| 6983 xsmp_save_complete(smc_conn, client_data) | |
| 1883 | 6984 SmcConn smc_conn UNUSED; |
| 6985 SmPointer client_data UNUSED; | |
| 7 | 6986 { |
| 6987 xsmp.save_yourself = False; | |
| 6988 } | |
| 6989 | |
| 6990 | |
| 6991 /* | |
| 6992 * Callback to tell us that an instigated shutdown was cancelled | |
| 6993 * (maybe even by us) | |
| 6994 */ | |
| 6995 static void | |
| 6996 xsmp_shutdown_cancelled(smc_conn, client_data) | |
| 6997 SmcConn smc_conn; | |
| 1883 | 6998 SmPointer client_data UNUSED; |
| 7 | 6999 { |
| 7000 if (xsmp.save_yourself) | |
| 7001 SmcSaveYourselfDone(smc_conn, True); | |
| 7002 xsmp.save_yourself = False; | |
| 7003 xsmp.shutdown = False; | |
| 7004 } | |
| 7005 | |
| 7006 | |
| 7007 /* | |
| 7008 * Callback to tell us that a new ICE connection has been established. | |
| 7009 */ | |
| 7010 static void | |
| 7011 xsmp_ice_connection(iceConn, clientData, opening, watchData) | |
| 7012 IceConn iceConn; | |
| 1883 | 7013 IcePointer clientData UNUSED; |
| 7 | 7014 Bool opening; |
| 1883 | 7015 IcePointer *watchData UNUSED; |
| 7 | 7016 { |
| 7017 /* Intercept creation of ICE connection fd */ | |
| 7018 if (opening) | |
| 7019 { | |
| 7020 xsmp_icefd = IceConnectionNumber(iceConn); | |
| 7021 IceRemoveConnectionWatch(xsmp_ice_connection, NULL); | |
| 7022 } | |
| 7023 } | |
| 7024 | |
| 7025 | |
| 7026 /* Handle any ICE processing that's required; return FAIL if SM lost */ | |
| 7027 int | |
| 7028 xsmp_handle_requests() | |
| 7029 { | |
| 7030 Bool rep; | |
| 7031 | |
| 7032 if (IceProcessMessages(xsmp.iceconn, NULL, &rep) | |
| 7033 == IceProcessMessagesIOError) | |
| 7034 { | |
| 7035 /* Lost ICE */ | |
| 7036 if (p_verbose > 0) | |
| 292 | 7037 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 7038 xsmp_close(); |
| 7039 return FAIL; | |
| 7040 } | |
| 7041 else | |
| 7042 return OK; | |
| 7043 } | |
| 7044 | |
| 7045 static int dummy; | |
| 7046 | |
| 7047 /* Set up X Session Management Protocol */ | |
| 7048 void | |
| 7049 xsmp_init(void) | |
| 7050 { | |
| 7051 char errorstring[80]; | |
| 7052 SmcCallbacks smcallbacks; | |
| 7053 #if 0 | |
| 7054 SmPropValue smname; | |
| 7055 SmProp smnameprop; | |
| 7056 SmProp *smprops[1]; | |
| 7057 #endif | |
| 7058 | |
| 7059 if (p_verbose > 0) | |
| 292 | 7060 verb_msg((char_u *)_("XSMP opening connection")); |
| 7 | 7061 |
| 7062 xsmp.save_yourself = xsmp.shutdown = False; | |
| 7063 | |
| 7064 /* Set up SM callbacks - must have all, even if they're not used */ | |
| 7065 smcallbacks.save_yourself.callback = xsmp_handle_save_yourself; | |
| 7066 smcallbacks.save_yourself.client_data = NULL; | |
| 7067 smcallbacks.die.callback = xsmp_die; | |
| 7068 smcallbacks.die.client_data = NULL; | |
| 7069 smcallbacks.save_complete.callback = xsmp_save_complete; | |
| 7070 smcallbacks.save_complete.client_data = NULL; | |
| 7071 smcallbacks.shutdown_cancelled.callback = xsmp_shutdown_cancelled; | |
| 7072 smcallbacks.shutdown_cancelled.client_data = NULL; | |
| 7073 | |
| 7074 /* Set up a watch on ICE connection creations. The "dummy" argument is | |
| 7075 * apparently required for FreeBSD (we get a BUS error when using NULL). */ | |
| 7076 if (IceAddConnectionWatch(xsmp_ice_connection, &dummy) == 0) | |
| 7077 { | |
| 7078 if (p_verbose > 0) | |
| 292 | 7079 verb_msg((char_u *)_("XSMP ICE connection watch failed")); |
| 7 | 7080 return; |
| 7081 } | |
| 7082 | |
| 7083 /* Create an SM connection */ | |
| 7084 xsmp.smcconn = SmcOpenConnection( | |
| 7085 NULL, | |
| 7086 NULL, | |
| 7087 SmProtoMajor, | |
| 7088 SmProtoMinor, | |
| 7089 SmcSaveYourselfProcMask | SmcDieProcMask | |
| 7090 | SmcSaveCompleteProcMask | SmcShutdownCancelledProcMask, | |
| 7091 &smcallbacks, | |
| 7092 NULL, | |
| 1605 | 7093 &xsmp.clientid, |
| 7 | 7094 sizeof(errorstring), |
| 7095 errorstring); | |
| 7096 if (xsmp.smcconn == NULL) | |
| 7097 { | |
| 7098 char errorreport[132]; | |
| 273 | 7099 |
| 292 | 7100 if (p_verbose > 0) |
| 7101 { | |
| 7102 vim_snprintf(errorreport, sizeof(errorreport), | |
| 273 | 7103 _("XSMP SmcOpenConnection failed: %s"), errorstring); |
| 292 | 7104 verb_msg((char_u *)errorreport); |
| 7105 } | |
| 7 | 7106 return; |
| 7107 } | |
| 7108 xsmp.iceconn = SmcGetIceConnection(xsmp.smcconn); | |
| 7109 | |
| 7110 #if 0 | |
| 7111 /* ID ourselves */ | |
| 7112 smname.value = "vim"; | |
| 7113 smname.length = 3; | |
| 7114 smnameprop.name = "SmProgram"; | |
| 7115 smnameprop.type = "SmARRAY8"; | |
| 7116 smnameprop.num_vals = 1; | |
| 7117 smnameprop.vals = &smname; | |
| 7118 | |
| 7119 smprops[0] = &smnameprop; | |
| 7120 SmcSetProperties(xsmp.smcconn, 1, smprops); | |
| 7121 #endif | |
| 7122 } | |
| 7123 | |
| 7124 | |
| 7125 /* Shut down XSMP comms. */ | |
| 7126 void | |
| 7127 xsmp_close() | |
| 7128 { | |
| 7129 if (xsmp_icefd != -1) | |
| 7130 { | |
| 7131 SmcCloseConnection(xsmp.smcconn, 0, NULL); | |
| 1737 | 7132 if (xsmp.clientid != NULL) |
| 7133 free(xsmp.clientid); | |
| 1605 | 7134 xsmp.clientid = NULL; |
| 7 | 7135 xsmp_icefd = -1; |
| 7136 } | |
| 7137 } | |
| 7138 #endif /* USE_XSMP */ | |
| 7139 | |
| 7140 | |
| 7141 #ifdef EBCDIC | |
| 7142 /* Translate character to its CTRL- value */ | |
| 7143 char CtrlTable[] = | |
| 7144 { | |
| 7145 /* 00 - 5E */ | |
| 7146 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7147 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7148 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7149 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7150 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7151 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7152 /* ^ */ 0x1E, | |
| 7153 /* - */ 0x1F, | |
| 7154 /* 61 - 6C */ | |
| 7155 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7156 /* _ */ 0x1F, | |
| 7157 /* 6E - 80 */ | |
| 7158 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7159 /* a */ 0x01, | |
| 7160 /* b */ 0x02, | |
| 7161 /* c */ 0x03, | |
| 7162 /* d */ 0x37, | |
| 7163 /* e */ 0x2D, | |
| 7164 /* f */ 0x2E, | |
| 7165 /* g */ 0x2F, | |
| 7166 /* h */ 0x16, | |
| 7167 /* i */ 0x05, | |
| 7168 /* 8A - 90 */ | |
| 7169 0, 0, 0, 0, 0, 0, 0, | |
| 7170 /* j */ 0x15, | |
| 7171 /* k */ 0x0B, | |
| 7172 /* l */ 0x0C, | |
| 7173 /* m */ 0x0D, | |
| 7174 /* n */ 0x0E, | |
| 7175 /* o */ 0x0F, | |
| 7176 /* p */ 0x10, | |
| 7177 /* q */ 0x11, | |
| 7178 /* r */ 0x12, | |
| 7179 /* 9A - A1 */ | |
| 7180 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7181 /* s */ 0x13, | |
| 7182 /* t */ 0x3C, | |
| 7183 /* u */ 0x3D, | |
| 7184 /* v */ 0x32, | |
| 7185 /* w */ 0x26, | |
| 7186 /* x */ 0x18, | |
| 7187 /* y */ 0x19, | |
| 7188 /* z */ 0x3F, | |
| 7189 /* AA - AC */ | |
| 7190 0, 0, 0, | |
| 7191 /* [ */ 0x27, | |
| 7192 /* AE - BC */ | |
| 7193 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7194 /* ] */ 0x1D, | |
| 7195 /* BE - C0 */ 0, 0, 0, | |
| 7196 /* A */ 0x01, | |
| 7197 /* B */ 0x02, | |
| 7198 /* C */ 0x03, | |
| 7199 /* D */ 0x37, | |
| 7200 /* E */ 0x2D, | |
| 7201 /* F */ 0x2E, | |
| 7202 /* G */ 0x2F, | |
| 7203 /* H */ 0x16, | |
| 7204 /* I */ 0x05, | |
| 7205 /* CA - D0 */ 0, 0, 0, 0, 0, 0, 0, | |
| 7206 /* J */ 0x15, | |
| 7207 /* K */ 0x0B, | |
| 7208 /* L */ 0x0C, | |
| 7209 /* M */ 0x0D, | |
| 7210 /* N */ 0x0E, | |
| 7211 /* O */ 0x0F, | |
| 7212 /* P */ 0x10, | |
| 7213 /* Q */ 0x11, | |
| 7214 /* R */ 0x12, | |
| 7215 /* DA - DF */ 0, 0, 0, 0, 0, 0, | |
| 7216 /* \ */ 0x1C, | |
| 7217 /* E1 */ 0, | |
| 7218 /* S */ 0x13, | |
| 7219 /* T */ 0x3C, | |
| 7220 /* U */ 0x3D, | |
| 7221 /* V */ 0x32, | |
| 7222 /* W */ 0x26, | |
| 7223 /* X */ 0x18, | |
| 7224 /* Y */ 0x19, | |
| 7225 /* Z */ 0x3F, | |
| 7226 /* EA - FF*/ 0, 0, 0, 0, 0, 0, | |
| 7227 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 7228 }; | |
| 7229 | |
| 7230 char MetaCharTable[]= | |
| 7231 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
| 7232 0, 0, 0, 0,'\\', 0,'F', 0,'W','M','N', 0, 0, 0, 0, 0, | |
| 7233 0, 0, 0, 0,']', 0, 0,'G', 0, 0,'R','O', 0, 0, 0, 0, | |
| 7234 '@','A','B','C','D','E', 0, 0,'H','I','J','K','L', 0, 0, 0, | |
| 7235 'P','Q', 0,'S','T','U','V', 0,'X','Y','Z','[', 0, 0,'^', 0 | |
| 7236 }; | |
| 7237 | |
| 7238 | |
| 7239 /* TODO: Use characters NOT numbers!!! */ | |
| 7240 char CtrlCharTable[]= | |
| 7241 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
| 7242 124,193,194,195, 0,201, 0, 0, 0, 0, 0,210,211,212,213,214, | |
| 7243 215,216,217,226, 0,209,200, 0,231,232, 0, 0,224,189, 95,109, | |
| 7244 0, 0, 0, 0, 0, 0,230,173, 0, 0, 0, 0, 0,197,198,199, | |
| 7245 0, 0,229, 0, 0, 0, 0,196, 0, 0, 0, 0,227,228, 0,233, | |
| 7246 }; | |
| 7247 | |
| 7248 | |
| 7249 #endif |