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| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sat, 15 May 2010 17:06:53 +0200 |
| parents | 1bb06e6512a2 |
| children | d0ddf7ba1630 |
| 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 | |
| 157 static int WaitForChar __ARGS((long)); | |
| 158 #if defined(__BEOS__) | |
| 159 int RealWaitForChar __ARGS((int, long, int *)); | |
| 160 #else | |
| 161 static int RealWaitForChar __ARGS((int, long, int *)); | |
| 162 #endif | |
| 163 | |
| 164 #ifdef FEAT_XCLIPBOARD | |
| 165 static int do_xterm_trace __ARGS((void)); | |
| 331 | 166 # define XT_TRACE_DELAY 50 /* delay for xterm tracing */ |
| 7 | 167 #endif |
| 168 | |
| 169 static void handle_resize __ARGS((void)); | |
| 170 | |
| 171 #if defined(SIGWINCH) | |
| 172 static RETSIGTYPE sig_winch __ARGS(SIGPROTOARG); | |
| 173 #endif | |
| 174 #if defined(SIGINT) | |
| 175 static RETSIGTYPE catch_sigint __ARGS(SIGPROTOARG); | |
| 176 #endif | |
| 177 #if defined(SIGPWR) | |
| 178 static RETSIGTYPE catch_sigpwr __ARGS(SIGPROTOARG); | |
| 179 #endif | |
| 180 #if defined(SIGALRM) && defined(FEAT_X11) \ | |
| 181 && defined(FEAT_TITLE) && !defined(FEAT_GUI_GTK) | |
| 182 # define SET_SIG_ALARM | |
| 183 static RETSIGTYPE sig_alarm __ARGS(SIGPROTOARG); | |
| 1832 | 184 /* volatile because it is used in signal handler sig_alarm(). */ |
| 185 static volatile int sig_alarm_called; | |
| 7 | 186 #endif |
| 187 static RETSIGTYPE deathtrap __ARGS(SIGPROTOARG); | |
| 188 | |
| 167 | 189 static void catch_int_signal __ARGS((void)); |
| 7 | 190 static void set_signals __ARGS((void)); |
| 191 static void catch_signals __ARGS((RETSIGTYPE (*func_deadly)(), RETSIGTYPE (*func_other)())); | |
| 192 #ifndef __EMX__ | |
| 193 static int have_wildcard __ARGS((int, char_u **)); | |
| 194 static int have_dollars __ARGS((int, char_u **)); | |
| 195 #endif | |
| 196 | |
| 197 #ifndef __EMX__ | |
| 198 static int save_patterns __ARGS((int num_pat, char_u **pat, int *num_file, char_u ***file)); | |
| 199 #endif | |
| 200 | |
| 201 #ifndef SIG_ERR | |
| 1879 | 202 # define SIG_ERR ((RETSIGTYPE (*)())-1) |
| 7 | 203 #endif |
| 204 | |
| 1832 | 205 /* volatile because it is used in signal handler sig_winch(). */ |
| 206 static volatile int do_resize = FALSE; | |
| 7 | 207 #ifndef __EMX__ |
| 208 static char_u *extra_shell_arg = NULL; | |
| 209 static int show_shell_mess = TRUE; | |
| 210 #endif | |
| 1832 | 211 /* volatile because it is used in signal handler deathtrap(). */ |
| 212 static volatile int deadly_signal = 0; /* The signal we caught */ | |
| 213 /* volatile because it is used in signal handler deathtrap(). */ | |
| 214 static volatile int in_mch_delay = FALSE; /* sleeping in mch_delay() */ | |
| 7 | 215 |
| 216 static int curr_tmode = TMODE_COOK; /* contains current terminal mode */ | |
| 217 | |
| 218 #ifdef USE_XSMP | |
| 219 typedef struct | |
| 220 { | |
| 221 SmcConn smcconn; /* The SM connection ID */ | |
| 222 IceConn iceconn; /* The ICE connection ID */ | |
| 1605 | 223 char *clientid; /* The client ID for the current smc session */ |
| 7 | 224 Bool save_yourself; /* If we're in the middle of a save_yourself */ |
| 225 Bool shutdown; /* If we're in shutdown mode */ | |
| 226 } xsmp_config_T; | |
| 227 | |
| 228 static xsmp_config_T xsmp; | |
| 229 #endif | |
| 230 | |
| 231 #ifdef SYS_SIGLIST_DECLARED | |
| 232 /* | |
| 233 * I have seen | |
| 234 * extern char *_sys_siglist[NSIG]; | |
| 235 * on Irix, Linux, NetBSD and Solaris. It contains a nice list of strings | |
| 236 * that describe the signals. That is nearly what we want here. But | |
| 237 * autoconf does only check for sys_siglist (without the underscore), I | |
| 238 * do not want to change everything today.... jw. | |
| 239 * This is why AC_DECL_SYS_SIGLIST is commented out in configure.in | |
| 240 */ | |
| 241 #endif | |
| 242 | |
| 243 static struct signalinfo | |
| 244 { | |
| 245 int sig; /* Signal number, eg. SIGSEGV etc */ | |
| 246 char *name; /* Signal name (not char_u!). */ | |
| 247 char deadly; /* Catch as a deadly signal? */ | |
| 248 } signal_info[] = | |
| 249 { | |
| 250 #ifdef SIGHUP | |
| 251 {SIGHUP, "HUP", TRUE}, | |
| 252 #endif | |
| 253 #ifdef SIGQUIT | |
| 254 {SIGQUIT, "QUIT", TRUE}, | |
| 255 #endif | |
| 256 #ifdef SIGILL | |
| 257 {SIGILL, "ILL", TRUE}, | |
| 258 #endif | |
| 259 #ifdef SIGTRAP | |
| 260 {SIGTRAP, "TRAP", TRUE}, | |
| 261 #endif | |
| 262 #ifdef SIGABRT | |
| 263 {SIGABRT, "ABRT", TRUE}, | |
| 264 #endif | |
| 265 #ifdef SIGEMT | |
| 266 {SIGEMT, "EMT", TRUE}, | |
| 267 #endif | |
| 268 #ifdef SIGFPE | |
| 269 {SIGFPE, "FPE", TRUE}, | |
| 270 #endif | |
| 271 #ifdef SIGBUS | |
| 272 {SIGBUS, "BUS", TRUE}, | |
| 273 #endif | |
| 274 #ifdef SIGSEGV | |
| 275 {SIGSEGV, "SEGV", TRUE}, | |
| 276 #endif | |
| 277 #ifdef SIGSYS | |
| 278 {SIGSYS, "SYS", TRUE}, | |
| 279 #endif | |
| 280 #ifdef SIGALRM | |
| 281 {SIGALRM, "ALRM", FALSE}, /* Perl's alarm() can trigger it */ | |
| 282 #endif | |
| 283 #ifdef SIGTERM | |
| 284 {SIGTERM, "TERM", TRUE}, | |
| 285 #endif | |
| 286 #ifdef SIGVTALRM | |
| 287 {SIGVTALRM, "VTALRM", TRUE}, | |
| 288 #endif | |
| 1560 | 289 #if defined(SIGPROF) && !defined(FEAT_MZSCHEME) && !defined(WE_ARE_PROFILING) |
| 290 /* MzScheme uses SIGPROF for its own needs; On Linux with profiling | |
| 291 * this makes Vim exit. WE_ARE_PROFILING is defined in Makefile. */ | |
| 7 | 292 {SIGPROF, "PROF", TRUE}, |
| 293 #endif | |
| 294 #ifdef SIGXCPU | |
| 295 {SIGXCPU, "XCPU", TRUE}, | |
| 296 #endif | |
| 297 #ifdef SIGXFSZ | |
| 298 {SIGXFSZ, "XFSZ", TRUE}, | |
| 299 #endif | |
| 300 #ifdef SIGUSR1 | |
| 301 {SIGUSR1, "USR1", TRUE}, | |
| 302 #endif | |
| 1620 | 303 #if defined(SIGUSR2) && !defined(FEAT_SYSMOUSE) |
| 304 /* Used for sysmouse handling */ | |
| 7 | 305 {SIGUSR2, "USR2", TRUE}, |
| 306 #endif | |
| 307 #ifdef SIGINT | |
| 308 {SIGINT, "INT", FALSE}, | |
| 309 #endif | |
| 310 #ifdef SIGWINCH | |
| 311 {SIGWINCH, "WINCH", FALSE}, | |
| 312 #endif | |
| 313 #ifdef SIGTSTP | |
| 314 {SIGTSTP, "TSTP", FALSE}, | |
| 315 #endif | |
| 316 #ifdef SIGPIPE | |
| 317 {SIGPIPE, "PIPE", FALSE}, | |
| 318 #endif | |
| 319 {-1, "Unknown!", FALSE} | |
| 320 }; | |
| 321 | |
| 1935 | 322 int |
| 323 mch_chdir(path) | |
| 324 char *path; | |
| 325 { | |
| 326 if (p_verbose >= 5) | |
| 327 { | |
| 328 verbose_enter(); | |
| 329 smsg((char_u *)"chdir(%s)", path); | |
| 330 verbose_leave(); | |
| 331 } | |
| 332 # ifdef VMS | |
| 333 return chdir(vms_fixfilename(path)); | |
| 334 # else | |
| 335 return chdir(path); | |
| 336 # endif | |
| 337 } | |
| 338 | |
| 1757 | 339 /* |
| 340 * Write s[len] to the screen. | |
| 341 */ | |
| 7 | 342 void |
| 343 mch_write(s, len) | |
| 344 char_u *s; | |
| 345 int len; | |
| 346 { | |
| 1757 | 347 ignored = (int)write(1, (char *)s, len); |
| 7 | 348 if (p_wd) /* Unix is too fast, slow down a bit more */ |
| 349 RealWaitForChar(read_cmd_fd, p_wd, NULL); | |
| 350 } | |
| 351 | |
| 352 /* | |
| 1450 | 353 * mch_inchar(): low level input function. |
| 7 | 354 * Get a characters from the keyboard. |
| 355 * Return the number of characters that are available. | |
| 356 * If wtime == 0 do not wait for characters. | |
| 357 * If wtime == n wait a short time for characters. | |
| 358 * If wtime == -1 wait forever for characters. | |
| 359 */ | |
| 360 int | |
| 361 mch_inchar(buf, maxlen, wtime, tb_change_cnt) | |
| 362 char_u *buf; | |
| 363 int maxlen; | |
| 364 long wtime; /* don't use "time", MIPS cannot handle it */ | |
| 365 int tb_change_cnt; | |
| 366 { | |
| 367 int len; | |
| 368 | |
| 369 /* Check if window changed size while we were busy, perhaps the ":set | |
| 370 * columns=99" command was used. */ | |
| 371 while (do_resize) | |
| 372 handle_resize(); | |
| 373 | |
| 374 if (wtime >= 0) | |
| 375 { | |
| 376 while (WaitForChar(wtime) == 0) /* no character available */ | |
| 377 { | |
| 378 if (!do_resize) /* return if not interrupted by resize */ | |
| 379 return 0; | |
| 380 handle_resize(); | |
| 381 } | |
| 382 } | |
| 383 else /* wtime == -1 */ | |
| 384 { | |
| 385 /* | |
| 386 * If there is no character available within 'updatetime' seconds | |
| 216 | 387 * flush all the swap files to disk. |
| 7 | 388 * Also done when interrupted by SIGWINCH. |
| 389 */ | |
| 390 if (WaitForChar(p_ut) == 0) | |
| 391 { | |
| 392 #ifdef FEAT_AUTOCMD | |
| 609 | 393 if (trigger_cursorhold() && maxlen >= 3 |
| 394 && !typebuf_changed(tb_change_cnt)) | |
| 7 | 395 { |
| 216 | 396 buf[0] = K_SPECIAL; |
| 397 buf[1] = KS_EXTRA; | |
| 398 buf[2] = (int)KE_CURSORHOLD; | |
| 399 return 3; | |
| 7 | 400 } |
| 216 | 401 #endif |
| 369 | 402 before_blocking(); |
| 7 | 403 } |
| 404 } | |
| 405 | |
| 406 for (;;) /* repeat until we got a character */ | |
| 407 { | |
| 408 while (do_resize) /* window changed size */ | |
| 409 handle_resize(); | |
| 410 /* | |
| 411 * we want to be interrupted by the winch signal | |
| 412 */ | |
| 413 WaitForChar(-1L); | |
| 414 if (do_resize) /* interrupted by SIGWINCH signal */ | |
| 415 continue; | |
| 416 | |
| 417 /* If input was put directly in typeahead buffer bail out here. */ | |
| 418 if (typebuf_changed(tb_change_cnt)) | |
| 419 return 0; | |
| 420 | |
| 421 /* | |
| 422 * For some terminals we only get one character at a time. | |
| 423 * We want the get all available characters, so we could keep on | |
| 424 * trying until none is available | |
| 425 * For some other terminals this is quite slow, that's why we don't do | |
| 426 * it. | |
| 427 */ | |
| 428 len = read_from_input_buf(buf, (long)maxlen); | |
| 429 if (len > 0) | |
| 430 { | |
| 431 #ifdef OS2 | |
| 432 int i; | |
| 433 | |
| 434 for (i = 0; i < len; i++) | |
| 435 if (buf[i] == 0) | |
| 436 buf[i] = K_NUL; | |
| 437 #endif | |
| 438 return len; | |
| 439 } | |
| 440 } | |
| 441 } | |
| 442 | |
| 443 static void | |
| 444 handle_resize() | |
| 445 { | |
| 446 do_resize = FALSE; | |
| 447 shell_resized(); | |
| 448 } | |
| 449 | |
| 450 /* | |
| 451 * return non-zero if a character is available | |
| 452 */ | |
| 453 int | |
| 454 mch_char_avail() | |
| 455 { | |
| 456 return WaitForChar(0L); | |
| 457 } | |
| 458 | |
| 459 #if defined(HAVE_TOTAL_MEM) || defined(PROTO) | |
| 460 # ifdef HAVE_SYS_RESOURCE_H | |
| 1879 | 461 # include <sys/resource.h> |
| 7 | 462 # endif |
| 463 # if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_SYSCTL) | |
| 464 # include <sys/sysctl.h> | |
| 465 # endif | |
| 466 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO) | |
| 467 # include <sys/sysinfo.h> | |
| 468 # endif | |
| 469 | |
| 470 /* | |
| 1110 | 471 * Return total amount of memory available in Kbyte. |
| 472 * Doesn't change when memory has been allocated. | |
| 7 | 473 */ |
| 474 long_u | |
| 475 mch_total_mem(special) | |
| 1877 | 476 int special UNUSED; |
| 7 | 477 { |
| 478 # ifdef __EMX__ | |
| 1110 | 479 return ulimit(3, 0L) >> 10; /* always 32MB? */ |
| 7 | 480 # else |
| 481 long_u mem = 0; | |
| 1110 | 482 long_u shiftright = 10; /* how much to shift "mem" right for Kbyte */ |
| 7 | 483 |
| 484 # ifdef HAVE_SYSCTL | |
| 485 int mib[2], physmem; | |
| 486 size_t len; | |
| 487 | |
| 488 /* BSD way of getting the amount of RAM available. */ | |
| 489 mib[0] = CTL_HW; | |
| 490 mib[1] = HW_USERMEM; | |
| 491 len = sizeof(physmem); | |
| 492 if (sysctl(mib, 2, &physmem, &len, NULL, 0) == 0) | |
| 493 mem = (long_u)physmem; | |
| 494 # endif | |
| 495 | |
| 496 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO) | |
| 497 if (mem == 0) | |
| 498 { | |
| 499 struct sysinfo sinfo; | |
| 500 | |
| 501 /* Linux way of getting amount of RAM available */ | |
| 502 if (sysinfo(&sinfo) == 0) | |
| 1110 | 503 { |
| 504 # ifdef HAVE_SYSINFO_MEM_UNIT | |
| 505 /* avoid overflow as much as possible */ | |
| 506 while (shiftright > 0 && (sinfo.mem_unit & 1) == 0) | |
| 507 { | |
| 508 sinfo.mem_unit = sinfo.mem_unit >> 1; | |
| 509 --shiftright; | |
| 510 } | |
| 511 mem = sinfo.totalram * sinfo.mem_unit; | |
| 512 # else | |
| 7 | 513 mem = sinfo.totalram; |
| 1110 | 514 # endif |
| 515 } | |
| 7 | 516 } |
| 517 # endif | |
| 518 | |
| 519 # ifdef HAVE_SYSCONF | |
| 520 if (mem == 0) | |
| 521 { | |
| 522 long pagesize, pagecount; | |
| 523 | |
| 524 /* Solaris way of getting amount of RAM available */ | |
| 525 pagesize = sysconf(_SC_PAGESIZE); | |
| 526 pagecount = sysconf(_SC_PHYS_PAGES); | |
| 527 if (pagesize > 0 && pagecount > 0) | |
| 1110 | 528 { |
| 529 /* avoid overflow as much as possible */ | |
| 530 while (shiftright > 0 && (pagesize & 1) == 0) | |
| 531 { | |
| 1204 | 532 pagesize = (long_u)pagesize >> 1; |
| 1110 | 533 --shiftright; |
| 534 } | |
| 7 | 535 mem = (long_u)pagesize * pagecount; |
| 1110 | 536 } |
| 7 | 537 } |
| 538 # endif | |
| 539 | |
| 540 /* Return the minimum of the physical memory and the user limit, because | |
| 541 * using more than the user limit may cause Vim to be terminated. */ | |
| 542 # if defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT) | |
| 543 { | |
| 544 struct rlimit rlp; | |
| 545 | |
| 546 if (getrlimit(RLIMIT_DATA, &rlp) == 0 | |
| 547 && rlp.rlim_cur < ((rlim_t)1 << (sizeof(long_u) * 8 - 1)) | |
| 548 # ifdef RLIM_INFINITY | |
| 549 && rlp.rlim_cur != RLIM_INFINITY | |
| 550 # endif | |
| 1110 | 551 && ((long_u)rlp.rlim_cur >> 10) < (mem >> shiftright) |
| 7 | 552 ) |
| 1110 | 553 { |
| 554 mem = (long_u)rlp.rlim_cur; | |
| 555 shiftright = 10; | |
| 556 } | |
| 7 | 557 } |
| 558 # endif | |
| 559 | |
| 560 if (mem > 0) | |
| 1110 | 561 return mem >> shiftright; |
| 562 return (long_u)0x1fffff; | |
| 7 | 563 # endif |
| 564 } | |
| 565 #endif | |
| 566 | |
| 567 void | |
| 568 mch_delay(msec, ignoreinput) | |
| 569 long msec; | |
| 570 int ignoreinput; | |
| 571 { | |
| 572 int old_tmode; | |
| 14 | 573 #ifdef FEAT_MZSCHEME |
| 574 long total = msec; /* remember original value */ | |
| 575 #endif | |
| 7 | 576 |
| 577 if (ignoreinput) | |
| 578 { | |
| 579 /* Go to cooked mode without echo, to allow SIGINT interrupting us | |
| 1530 | 580 * here. But we don't want QUIT to kill us (CTRL-\ used in a |
| 581 * shell may produce SIGQUIT). */ | |
| 582 in_mch_delay = TRUE; | |
| 7 | 583 old_tmode = curr_tmode; |
| 584 if (curr_tmode == TMODE_RAW) | |
| 585 settmode(TMODE_SLEEP); | |
| 586 | |
| 587 /* | |
| 588 * Everybody sleeps in a different way... | |
| 589 * Prefer nanosleep(), some versions of usleep() can only sleep up to | |
| 590 * one second. | |
| 591 */ | |
| 14 | 592 #ifdef FEAT_MZSCHEME |
| 593 do | |
| 594 { | |
| 595 /* if total is large enough, wait by portions in p_mzq */ | |
| 596 if (total > p_mzq) | |
| 597 msec = p_mzq; | |
| 598 else | |
| 599 msec = total; | |
| 600 total -= msec; | |
| 601 #endif | |
| 7 | 602 #ifdef HAVE_NANOSLEEP |
| 603 { | |
| 604 struct timespec ts; | |
| 605 | |
| 606 ts.tv_sec = msec / 1000; | |
| 607 ts.tv_nsec = (msec % 1000) * 1000000; | |
| 608 (void)nanosleep(&ts, NULL); | |
| 609 } | |
| 610 #else | |
| 611 # ifdef HAVE_USLEEP | |
| 612 while (msec >= 1000) | |
| 613 { | |
| 614 usleep((unsigned int)(999 * 1000)); | |
| 615 msec -= 999; | |
| 616 } | |
| 617 usleep((unsigned int)(msec * 1000)); | |
| 618 # else | |
| 619 # ifndef HAVE_SELECT | |
| 620 poll(NULL, 0, (int)msec); | |
| 621 # else | |
| 622 # ifdef __EMX__ | |
| 623 _sleep2(msec); | |
| 624 # else | |
| 625 { | |
| 626 struct timeval tv; | |
| 627 | |
| 628 tv.tv_sec = msec / 1000; | |
| 629 tv.tv_usec = (msec % 1000) * 1000; | |
| 630 /* | |
| 631 * NOTE: Solaris 2.6 has a bug that makes select() hang here. Get | |
| 632 * a patch from Sun to fix this. Reported by Gunnar Pedersen. | |
| 633 */ | |
| 634 select(0, NULL, NULL, NULL, &tv); | |
| 635 } | |
| 636 # endif /* __EMX__ */ | |
| 637 # endif /* HAVE_SELECT */ | |
| 638 # endif /* HAVE_NANOSLEEP */ | |
| 639 #endif /* HAVE_USLEEP */ | |
| 14 | 640 #ifdef FEAT_MZSCHEME |
| 641 } | |
| 642 while (total > 0); | |
| 643 #endif | |
| 7 | 644 |
| 645 settmode(old_tmode); | |
| 1530 | 646 in_mch_delay = FALSE; |
| 7 | 647 } |
| 648 else | |
| 649 WaitForChar(msec); | |
| 650 } | |
| 651 | |
| 180 | 652 #if 0 /* disabled, no longer needed now that regmatch() is not recursive */ |
| 653 # if defined(HAVE_GETRLIMIT) | |
| 654 # define HAVE_STACK_LIMIT | |
| 655 # endif | |
| 656 #endif | |
| 657 | |
| 658 #if defined(HAVE_STACK_LIMIT) \ | |
| 7 | 659 || (!defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGSTACK)) |
| 660 # define HAVE_CHECK_STACK_GROWTH | |
| 661 /* | |
| 662 * Support for checking for an almost-out-of-stack-space situation. | |
| 663 */ | |
| 664 | |
| 665 /* | |
| 666 * Return a pointer to an item on the stack. Used to find out if the stack | |
| 667 * grows up or down. | |
| 668 */ | |
| 669 static void check_stack_growth __ARGS((char *p)); | |
| 670 static int stack_grows_downwards; | |
| 671 | |
| 672 /* | |
| 673 * Find out if the stack grows upwards or downwards. | |
| 674 * "p" points to a variable on the stack of the caller. | |
| 675 */ | |
| 676 static void | |
| 677 check_stack_growth(p) | |
| 678 char *p; | |
| 679 { | |
| 680 int i; | |
| 681 | |
| 682 stack_grows_downwards = (p > (char *)&i); | |
| 683 } | |
| 684 #endif | |
| 685 | |
| 180 | 686 #if defined(HAVE_STACK_LIMIT) || defined(PROTO) |
| 7 | 687 static char *stack_limit = NULL; |
| 688 | |
| 689 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H) | |
| 690 # include <pthread.h> | |
| 691 # include <pthread_np.h> | |
| 692 #endif | |
| 693 | |
| 694 /* | |
| 695 * Find out until how var the stack can grow without getting into trouble. | |
| 696 * Called when starting up and when switching to the signal stack in | |
| 697 * deathtrap(). | |
| 698 */ | |
| 699 static void | |
| 700 get_stack_limit() | |
| 701 { | |
| 702 struct rlimit rlp; | |
| 703 int i; | |
| 704 long lim; | |
| 705 | |
| 706 /* Set the stack limit to 15/16 of the allowable size. Skip this when the | |
| 707 * limit doesn't fit in a long (rlim_cur might be "long long"). */ | |
| 708 if (getrlimit(RLIMIT_STACK, &rlp) == 0 | |
| 709 && rlp.rlim_cur < ((rlim_t)1 << (sizeof(long_u) * 8 - 1)) | |
| 710 # ifdef RLIM_INFINITY | |
| 711 && rlp.rlim_cur != RLIM_INFINITY | |
| 712 # endif | |
| 713 ) | |
| 714 { | |
| 715 lim = (long)rlp.rlim_cur; | |
| 716 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H) | |
| 717 { | |
| 718 pthread_attr_t attr; | |
| 719 size_t size; | |
| 720 | |
| 721 /* On FreeBSD the initial thread always has a fixed stack size, no | |
| 722 * matter what the limits are set to. Normally it's 1 Mbyte. */ | |
| 723 pthread_attr_init(&attr); | |
| 724 if (pthread_attr_get_np(pthread_self(), &attr) == 0) | |
| 725 { | |
| 726 pthread_attr_getstacksize(&attr, &size); | |
| 727 if (lim > (long)size) | |
| 728 lim = (long)size; | |
| 729 } | |
| 730 pthread_attr_destroy(&attr); | |
| 731 } | |
| 732 #endif | |
| 733 if (stack_grows_downwards) | |
| 734 { | |
| 735 stack_limit = (char *)((long)&i - (lim / 16L * 15L)); | |
| 736 if (stack_limit >= (char *)&i) | |
| 737 /* overflow, set to 1/16 of current stack position */ | |
| 738 stack_limit = (char *)((long)&i / 16L); | |
| 739 } | |
| 740 else | |
| 741 { | |
| 742 stack_limit = (char *)((long)&i + (lim / 16L * 15L)); | |
| 743 if (stack_limit <= (char *)&i) | |
| 744 stack_limit = NULL; /* overflow */ | |
| 745 } | |
| 746 } | |
| 747 } | |
| 748 | |
| 749 /* | |
| 750 * Return FAIL when running out of stack space. | |
| 751 * "p" must point to any variable local to the caller that's on the stack. | |
| 752 */ | |
| 753 int | |
| 754 mch_stackcheck(p) | |
| 755 char *p; | |
| 756 { | |
| 757 if (stack_limit != NULL) | |
| 758 { | |
| 759 if (stack_grows_downwards) | |
| 760 { | |
| 761 if (p < stack_limit) | |
| 762 return FAIL; | |
| 763 } | |
| 764 else if (p > stack_limit) | |
| 765 return FAIL; | |
| 766 } | |
| 767 return OK; | |
| 768 } | |
| 769 #endif | |
| 770 | |
| 771 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 772 /* | |
| 773 * Support for using the signal stack. | |
| 774 * This helps when we run out of stack space, which causes a SIGSEGV. The | |
| 775 * signal handler then must run on another stack, since the normal stack is | |
| 776 * completely full. | |
| 777 */ | |
| 778 | |
| 779 #ifndef SIGSTKSZ | |
| 780 # define SIGSTKSZ 8000 /* just a guess of how much stack is needed... */ | |
| 781 #endif | |
| 782 | |
| 783 # ifdef HAVE_SIGALTSTACK | |
| 784 static stack_t sigstk; /* for sigaltstack() */ | |
| 785 # else | |
| 786 static struct sigstack sigstk; /* for sigstack() */ | |
| 787 # endif | |
| 788 | |
| 789 static void init_signal_stack __ARGS((void)); | |
| 790 static char *signal_stack; | |
| 791 | |
| 792 static void | |
| 793 init_signal_stack() | |
| 794 { | |
| 795 if (signal_stack != NULL) | |
| 796 { | |
| 797 # ifdef HAVE_SIGALTSTACK | |
| 1375 | 798 # if defined(__APPLE__) && (!defined(MAC_OS_X_VERSION_MAX_ALLOWED) \ |
| 799 || MAC_OS_X_VERSION_MAX_ALLOWED <= 1040) | |
| 7 | 800 /* missing prototype. Adding it to osdef?.h.in doesn't work, because |
| 801 * "struct sigaltstack" needs to be declared. */ | |
| 802 extern int sigaltstack __ARGS((const struct sigaltstack *ss, struct sigaltstack *oss)); | |
| 803 # endif | |
| 804 | |
| 805 # ifdef HAVE_SS_BASE | |
| 806 sigstk.ss_base = signal_stack; | |
| 807 # else | |
| 808 sigstk.ss_sp = signal_stack; | |
| 809 # endif | |
| 810 sigstk.ss_size = SIGSTKSZ; | |
| 811 sigstk.ss_flags = 0; | |
| 812 (void)sigaltstack(&sigstk, NULL); | |
| 813 # else | |
| 814 sigstk.ss_sp = signal_stack; | |
| 815 if (stack_grows_downwards) | |
| 816 sigstk.ss_sp += SIGSTKSZ - 1; | |
| 817 sigstk.ss_onstack = 0; | |
| 818 (void)sigstack(&sigstk, NULL); | |
| 819 # endif | |
| 820 } | |
| 821 } | |
| 822 #endif | |
| 823 | |
| 824 /* | |
| 1832 | 825 * We need correct prototypes for a signal function, otherwise mean compilers |
| 7 | 826 * will barf when the second argument to signal() is ``wrong''. |
| 827 * Let me try it with a few tricky defines from my own osdef.h (jw). | |
| 828 */ | |
| 829 #if defined(SIGWINCH) | |
| 830 static RETSIGTYPE | |
| 831 sig_winch SIGDEFARG(sigarg) | |
| 832 { | |
| 833 /* this is not required on all systems, but it doesn't hurt anybody */ | |
| 834 signal(SIGWINCH, (RETSIGTYPE (*)())sig_winch); | |
| 835 do_resize = TRUE; | |
| 836 SIGRETURN; | |
| 837 } | |
| 838 #endif | |
| 839 | |
| 840 #if defined(SIGINT) | |
| 841 static RETSIGTYPE | |
| 842 catch_sigint SIGDEFARG(sigarg) | |
| 843 { | |
| 844 /* this is not required on all systems, but it doesn't hurt anybody */ | |
| 845 signal(SIGINT, (RETSIGTYPE (*)())catch_sigint); | |
| 846 got_int = TRUE; | |
| 847 SIGRETURN; | |
| 848 } | |
| 849 #endif | |
| 850 | |
| 851 #if defined(SIGPWR) | |
| 852 static RETSIGTYPE | |
| 853 catch_sigpwr SIGDEFARG(sigarg) | |
| 854 { | |
| 37 | 855 /* this is not required on all systems, but it doesn't hurt anybody */ |
| 856 signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr); | |
| 7 | 857 /* |
| 858 * I'm not sure we get the SIGPWR signal when the system is really going | |
| 859 * down or when the batteries are almost empty. Just preserve the swap | |
| 860 * files and don't exit, that can't do any harm. | |
| 861 */ | |
| 862 ml_sync_all(FALSE, FALSE); | |
| 863 SIGRETURN; | |
| 864 } | |
| 865 #endif | |
| 866 | |
| 867 #ifdef SET_SIG_ALARM | |
| 868 /* | |
| 869 * signal function for alarm(). | |
| 870 */ | |
| 871 static RETSIGTYPE | |
| 872 sig_alarm SIGDEFARG(sigarg) | |
| 873 { | |
| 874 /* doesn't do anything, just to break a system call */ | |
| 875 sig_alarm_called = TRUE; | |
| 876 SIGRETURN; | |
| 877 } | |
| 878 #endif | |
| 879 | |
| 188 | 880 #if (defined(HAVE_SETJMP_H) \ |
| 881 && ((defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) \ | |
| 882 || defined(FEAT_LIBCALL))) \ | |
| 883 || defined(PROTO) | |
| 7 | 884 /* |
| 885 * A simplistic version of setjmp() that only allows one level of using. | |
| 886 * Don't call twice before calling mch_endjmp()!. | |
| 887 * Usage: | |
| 888 * mch_startjmp(); | |
| 889 * if (SETJMP(lc_jump_env) != 0) | |
| 890 * { | |
| 891 * mch_didjmp(); | |
| 892 * EMSG("crash!"); | |
| 893 * } | |
| 894 * else | |
| 895 * { | |
| 896 * do_the_work; | |
| 897 * mch_endjmp(); | |
| 898 * } | |
| 899 * Note: Can't move SETJMP() here, because a function calling setjmp() must | |
| 900 * not return before the saved environment is used. | |
| 901 * Returns OK for normal return, FAIL when the protected code caused a | |
| 902 * problem and LONGJMP() was used. | |
| 903 */ | |
| 904 void | |
| 905 mch_startjmp() | |
| 906 { | |
| 907 #ifdef SIGHASARG | |
| 908 lc_signal = 0; | |
| 909 #endif | |
| 910 lc_active = TRUE; | |
| 911 } | |
| 912 | |
| 913 void | |
| 914 mch_endjmp() | |
| 915 { | |
| 916 lc_active = FALSE; | |
| 917 } | |
| 918 | |
| 919 void | |
| 920 mch_didjmp() | |
| 921 { | |
| 922 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 923 /* On FreeBSD the signal stack has to be reset after using siglongjmp(), | |
| 924 * otherwise catching the signal only works once. */ | |
| 925 init_signal_stack(); | |
| 926 # endif | |
| 927 } | |
| 928 #endif | |
| 929 | |
| 930 /* | |
| 931 * This function handles deadly signals. | |
| 932 * It tries to preserve any swap file and exit properly. | |
| 933 * (partly from Elvis). | |
| 934 */ | |
| 935 static RETSIGTYPE | |
| 936 deathtrap SIGDEFARG(sigarg) | |
| 937 { | |
| 938 static int entered = 0; /* count the number of times we got here. | |
| 939 Note: when memory has been corrupted | |
| 940 this may get an arbitrary value! */ | |
| 941 #ifdef SIGHASARG | |
| 942 int i; | |
| 943 #endif | |
| 944 | |
| 945 #if defined(HAVE_SETJMP_H) | |
| 946 /* | |
| 947 * Catch a crash in protected code. | |
| 948 * Restores the environment saved in lc_jump_env, which looks like | |
| 949 * SETJMP() returns 1. | |
| 950 */ | |
| 951 if (lc_active) | |
| 952 { | |
| 953 # if defined(SIGHASARG) | |
| 954 lc_signal = sigarg; | |
| 955 # endif | |
| 956 lc_active = FALSE; /* don't jump again */ | |
| 957 LONGJMP(lc_jump_env, 1); | |
| 958 /* NOTREACHED */ | |
| 959 } | |
| 960 #endif | |
| 961 | |
| 36 | 962 #ifdef SIGHASARG |
| 1530 | 963 # ifdef SIGQUIT |
| 964 /* While in mch_delay() we go to cooked mode to allow a CTRL-C to | |
| 965 * interrupt us. But in cooked mode we may also get SIGQUIT, e.g., when | |
| 966 * pressing CTRL-\, but we don't want Vim to exit then. */ | |
| 967 if (in_mch_delay && sigarg == SIGQUIT) | |
| 968 SIGRETURN; | |
| 969 # endif | |
| 970 | |
| 37 | 971 /* When SIGHUP, SIGQUIT, etc. are blocked: postpone the effect and return |
| 972 * here. This avoids that a non-reentrant function is interrupted, e.g., | |
| 973 * free(). Calling free() again may then cause a crash. */ | |
| 974 if (entered == 0 | |
| 975 && (0 | |
| 976 # ifdef SIGHUP | |
| 977 || sigarg == SIGHUP | |
| 978 # endif | |
| 979 # ifdef SIGQUIT | |
| 980 || sigarg == SIGQUIT | |
| 981 # endif | |
| 982 # ifdef SIGTERM | |
| 983 || sigarg == SIGTERM | |
| 984 # endif | |
| 985 # ifdef SIGPWR | |
| 986 || sigarg == SIGPWR | |
| 987 # endif | |
| 988 # ifdef SIGUSR1 | |
| 989 || sigarg == SIGUSR1 | |
| 990 # endif | |
| 991 # ifdef SIGUSR2 | |
| 992 || sigarg == SIGUSR2 | |
| 993 # endif | |
| 994 ) | |
| 413 | 995 && !vim_handle_signal(sigarg)) |
| 36 | 996 SIGRETURN; |
| 997 #endif | |
| 998 | |
| 7 | 999 /* Remember how often we have been called. */ |
| 1000 ++entered; | |
| 1001 | |
| 1002 #ifdef FEAT_EVAL | |
| 1003 /* Set the v:dying variable. */ | |
| 1004 set_vim_var_nr(VV_DYING, (long)entered); | |
| 1005 #endif | |
| 1006 | |
| 180 | 1007 #ifdef HAVE_STACK_LIMIT |
| 7 | 1008 /* Since we are now using the signal stack, need to reset the stack |
| 1009 * limit. Otherwise using a regexp will fail. */ | |
| 1010 get_stack_limit(); | |
| 1011 #endif | |
| 1012 | |
| 758 | 1013 #if 0 |
| 1014 /* This is for opening gdb the moment Vim crashes. | |
| 1015 * You need to manually adjust the file name and Vim executable name. | |
| 1016 * Suggested by SungHyun Nam. */ | |
| 1017 { | |
| 1018 # define VI_GDB_FILE "/tmp/vimgdb" | |
| 1019 # define VIM_NAME "/usr/bin/vim" | |
| 1020 FILE *fp = fopen(VI_GDB_FILE, "w"); | |
| 1021 if (fp) | |
| 1022 { | |
| 1023 fprintf(fp, | |
| 1024 "file %s\n" | |
| 1025 "attach %d\n" | |
| 1026 "set height 1000\n" | |
| 1027 "bt full\n" | |
| 1028 , VIM_NAME, getpid()); | |
| 1029 fclose(fp); | |
| 1030 system("xterm -e gdb -x "VI_GDB_FILE); | |
| 1031 unlink(VI_GDB_FILE); | |
| 1032 } | |
| 1033 } | |
| 1034 #endif | |
| 1035 | |
| 7 | 1036 #ifdef SIGHASARG |
| 1037 /* try to find the name of this signal */ | |
| 1038 for (i = 0; signal_info[i].sig != -1; i++) | |
| 1039 if (sigarg == signal_info[i].sig) | |
| 1040 break; | |
| 1041 deadly_signal = sigarg; | |
| 1042 #endif | |
| 1043 | |
| 1044 full_screen = FALSE; /* don't write message to the GUI, it might be | |
| 1045 * part of the problem... */ | |
| 1046 /* | |
| 1047 * If something goes wrong after entering here, we may get here again. | |
| 1048 * When this happens, give a message and try to exit nicely (resetting the | |
| 1049 * terminal mode, etc.) | |
| 1050 * When this happens twice, just exit, don't even try to give a message, | |
| 1051 * stack may be corrupt or something weird. | |
| 1052 * When this still happens again (or memory was corrupted in such a way | |
| 1053 * that "entered" was clobbered) use _exit(), don't try freeing resources. | |
| 1054 */ | |
| 1055 if (entered >= 3) | |
| 1056 { | |
| 1057 reset_signals(); /* don't catch any signals anymore */ | |
| 1058 may_core_dump(); | |
| 1059 if (entered >= 4) | |
| 1060 _exit(8); | |
| 1061 exit(7); | |
| 1062 } | |
| 1063 if (entered == 2) | |
| 1064 { | |
| 1065 OUT_STR(_("Vim: Double signal, exiting\n")); | |
| 1066 out_flush(); | |
| 1067 getout(1); | |
| 1068 } | |
| 1069 | |
| 1070 #ifdef SIGHASARG | |
| 1071 sprintf((char *)IObuff, _("Vim: Caught deadly signal %s\n"), | |
| 1072 signal_info[i].name); | |
| 1073 #else | |
| 1074 sprintf((char *)IObuff, _("Vim: Caught deadly signal\n")); | |
| 1075 #endif | |
| 1076 preserve_exit(); /* preserve files and exit */ | |
| 1077 | |
| 33 | 1078 #ifdef NBDEBUG |
| 1079 reset_signals(); | |
| 1080 may_core_dump(); | |
| 1081 abort(); | |
| 1082 #endif | |
| 1083 | |
| 7 | 1084 SIGRETURN; |
| 1085 } | |
| 1086 | |
| 1832 | 1087 #if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1088 /* |
| 1089 * On Solaris with multi-threading, suspending might not work immediately. | |
| 1090 * Catch the SIGCONT signal, which will be used as an indication whether the | |
| 1091 * suspending has been done or not. | |
| 1832 | 1092 * |
| 1093 * On Linux, signal is not always handled immediately either. | |
| 1094 * See https://bugs.launchpad.net/bugs/291373 | |
| 1095 * | |
| 1096 * volatile because it is used in in signal handler sigcont_handler(). | |
| 7 | 1097 */ |
| 1832 | 1098 static volatile int sigcont_received; |
| 7 | 1099 static RETSIGTYPE sigcont_handler __ARGS(SIGPROTOARG); |
| 1100 | |
| 1101 /* | |
| 1102 * signal handler for SIGCONT | |
| 1103 */ | |
| 1104 static RETSIGTYPE | |
| 1105 sigcont_handler SIGDEFARG(sigarg) | |
| 1106 { | |
| 1107 sigcont_received = TRUE; | |
| 1108 SIGRETURN; | |
| 1109 } | |
| 1110 #endif | |
| 1111 | |
| 1112 /* | |
| 1113 * If the machine has job control, use it to suspend the program, | |
| 1114 * otherwise fake it by starting a new shell. | |
| 1115 */ | |
| 1116 void | |
| 1117 mch_suspend() | |
| 1118 { | |
| 1119 /* BeOS does have SIGTSTP, but it doesn't work. */ | |
| 1120 #if defined(SIGTSTP) && !defined(__BEOS__) | |
| 1121 out_flush(); /* needed to make cursor visible on some systems */ | |
| 1122 settmode(TMODE_COOK); | |
| 1123 out_flush(); /* needed to disable mouse on some systems */ | |
| 1124 | |
| 1125 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) | |
| 1126 /* Since we are going to sleep, we can't respond to requests for the X | |
| 1127 * selections. Lose them, otherwise other applications will hang. But | |
| 1128 * first copy the text to cut buffer 0. */ | |
| 1129 if (clip_star.owned || clip_plus.owned) | |
| 1130 { | |
| 1131 x11_export_final_selection(); | |
| 1132 if (clip_star.owned) | |
| 1133 clip_lose_selection(&clip_star); | |
| 1134 if (clip_plus.owned) | |
| 1135 clip_lose_selection(&clip_plus); | |
| 1136 if (x11_display != NULL) | |
| 1137 XFlush(x11_display); | |
| 1138 } | |
| 1139 # endif | |
| 1140 | |
| 1832 | 1141 # if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1142 sigcont_received = FALSE; |
| 1143 # endif | |
| 1144 kill(0, SIGTSTP); /* send ourselves a STOP signal */ | |
| 1832 | 1145 # if defined(_REENTRANT) && defined(SIGCONT) |
| 1146 /* | |
| 1147 * Wait for the SIGCONT signal to be handled. It generally happens | |
| 1148 * immediately, but somehow not all the time. Do not call pause() | |
| 1149 * because there would be race condition which would hang Vim if | |
| 1150 * signal happened in between the test of sigcont_received and the | |
| 1151 * call to pause(). If signal is not yet received, call sleep(0) | |
| 1152 * to just yield CPU. Signal should then be received. If somehow | |
| 1153 * it's still not received, sleep 1, 2, 3 ms. Don't bother waiting | |
| 1154 * further if signal is not received after 1+2+3+4 ms (not expected | |
| 1155 * to happen). | |
| 1156 */ | |
| 1157 { | |
| 1932 | 1158 long wait_time; |
| 1159 for (wait_time = 0; !sigcont_received && wait_time <= 3L; wait_time++) | |
| 1832 | 1160 /* Loop is not entered most of the time */ |
| 1932 | 1161 mch_delay(wait_time, FALSE); |
| 1832 | 1162 } |
| 7 | 1163 # endif |
| 1164 | |
| 1165 # ifdef FEAT_TITLE | |
| 1166 /* | |
| 1167 * Set oldtitle to NULL, so the current title is obtained again. | |
| 1168 */ | |
| 1169 vim_free(oldtitle); | |
| 1170 oldtitle = NULL; | |
| 1171 # endif | |
| 1172 settmode(TMODE_RAW); | |
| 1173 need_check_timestamps = TRUE; | |
| 1174 did_check_timestamps = FALSE; | |
| 1175 #else | |
| 1176 suspend_shell(); | |
| 1177 #endif | |
| 1178 } | |
| 1179 | |
| 1180 void | |
| 1181 mch_init() | |
| 1182 { | |
| 1183 Columns = 80; | |
| 1184 Rows = 24; | |
| 1185 | |
| 1186 out_flush(); | |
| 1187 set_signals(); | |
| 167 | 1188 |
| 765 | 1189 #ifdef MACOS_CONVERT |
| 167 | 1190 mac_conv_init(); |
| 1191 #endif | |
| 7 | 1192 } |
| 1193 | |
| 1194 static void | |
| 1195 set_signals() | |
| 1196 { | |
| 1197 #if defined(SIGWINCH) | |
| 1198 /* | |
| 1199 * WINDOW CHANGE signal is handled with sig_winch(). | |
| 1200 */ | |
| 1201 signal(SIGWINCH, (RETSIGTYPE (*)())sig_winch); | |
| 1202 #endif | |
| 1203 | |
| 1204 /* | |
| 1205 * We want the STOP signal to work, to make mch_suspend() work. | |
| 1206 * For "rvim" the STOP signal is ignored. | |
| 1207 */ | |
| 1208 #ifdef SIGTSTP | |
| 1209 signal(SIGTSTP, restricted ? SIG_IGN : SIG_DFL); | |
| 1210 #endif | |
| 1832 | 1211 #if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1212 signal(SIGCONT, sigcont_handler); |
| 1213 #endif | |
| 1214 | |
| 1215 /* | |
| 1216 * We want to ignore breaking of PIPEs. | |
| 1217 */ | |
| 1218 #ifdef SIGPIPE | |
| 1219 signal(SIGPIPE, SIG_IGN); | |
| 1220 #endif | |
| 1221 | |
| 1222 #ifdef SIGINT | |
| 167 | 1223 catch_int_signal(); |
| 7 | 1224 #endif |
| 1225 | |
| 1226 /* | |
| 1227 * Ignore alarm signals (Perl's alarm() generates it). | |
| 1228 */ | |
| 1229 #ifdef SIGALRM | |
| 1230 signal(SIGALRM, SIG_IGN); | |
| 1231 #endif | |
| 1232 | |
| 1233 /* | |
| 1234 * Catch SIGPWR (power failure?) to preserve the swap files, so that no | |
| 1235 * work will be lost. | |
| 1236 */ | |
| 1237 #ifdef SIGPWR | |
| 1238 signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr); | |
| 1239 #endif | |
| 1240 | |
| 1241 /* | |
| 1242 * Arrange for other signals to gracefully shutdown Vim. | |
| 1243 */ | |
| 1244 catch_signals(deathtrap, SIG_ERR); | |
| 1245 | |
| 1246 #if defined(FEAT_GUI) && defined(SIGHUP) | |
| 1247 /* | |
| 1248 * When the GUI is running, ignore the hangup signal. | |
| 1249 */ | |
| 1250 if (gui.in_use) | |
| 1251 signal(SIGHUP, SIG_IGN); | |
| 1252 #endif | |
| 1253 } | |
| 1254 | |
| 167 | 1255 #if defined(SIGINT) || defined(PROTO) |
| 1256 /* | |
| 1257 * Catch CTRL-C (only works while in Cooked mode). | |
| 1258 */ | |
| 1259 static void | |
| 1260 catch_int_signal() | |
| 1261 { | |
| 1262 signal(SIGINT, (RETSIGTYPE (*)())catch_sigint); | |
| 1263 } | |
| 1264 #endif | |
| 1265 | |
| 7 | 1266 void |
| 1267 reset_signals() | |
| 1268 { | |
| 1269 catch_signals(SIG_DFL, SIG_DFL); | |
| 1832 | 1270 #if defined(_REENTRANT) && defined(SIGCONT) |
| 7 | 1271 /* SIGCONT isn't in the list, because its default action is ignore */ |
| 1272 signal(SIGCONT, SIG_DFL); | |
| 1273 #endif | |
| 1274 } | |
| 1275 | |
| 1276 static void | |
| 1277 catch_signals(func_deadly, func_other) | |
| 1278 RETSIGTYPE (*func_deadly)(); | |
| 1279 RETSIGTYPE (*func_other)(); | |
| 1280 { | |
| 1281 int i; | |
| 1282 | |
| 1283 for (i = 0; signal_info[i].sig != -1; i++) | |
| 1284 if (signal_info[i].deadly) | |
| 1285 { | |
| 1286 #if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGACTION) | |
| 1287 struct sigaction sa; | |
| 1288 | |
| 1289 /* Setup to use the alternate stack for the signal function. */ | |
| 1290 sa.sa_handler = func_deadly; | |
| 1291 sigemptyset(&sa.sa_mask); | |
| 1292 # if defined(__linux__) && defined(_REENTRANT) | |
| 1293 /* On Linux, with glibc compiled for kernel 2.2, there is a bug in | |
| 1294 * thread handling in combination with using the alternate stack: | |
| 1295 * pthread library functions try to use the stack pointer to | |
| 1296 * identify the current thread, causing a SEGV signal, which | |
| 1297 * recursively calls deathtrap() and hangs. */ | |
| 1298 sa.sa_flags = 0; | |
| 1299 # else | |
| 1300 sa.sa_flags = SA_ONSTACK; | |
| 1301 # endif | |
| 1302 sigaction(signal_info[i].sig, &sa, NULL); | |
| 1303 #else | |
| 1304 # if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGVEC) | |
| 1305 struct sigvec sv; | |
| 1306 | |
| 1307 /* Setup to use the alternate stack for the signal function. */ | |
| 1308 sv.sv_handler = func_deadly; | |
| 1309 sv.sv_mask = 0; | |
| 1310 sv.sv_flags = SV_ONSTACK; | |
| 1311 sigvec(signal_info[i].sig, &sv, NULL); | |
| 1312 # else | |
| 1313 signal(signal_info[i].sig, func_deadly); | |
| 1314 # endif | |
| 1315 #endif | |
| 1316 } | |
| 1317 else if (func_other != SIG_ERR) | |
| 1318 signal(signal_info[i].sig, func_other); | |
| 1319 } | |
| 1320 | |
| 1321 /* | |
| 37 | 1322 * Handling of SIGHUP, SIGQUIT and SIGTERM: |
| 1146 | 1323 * "when" == a signal: when busy, postpone and return FALSE, otherwise |
| 1324 * return TRUE | |
| 1325 * "when" == SIGNAL_BLOCK: Going to be busy, block signals | |
| 1326 * "when" == SIGNAL_UNBLOCK: Going to wait, unblock signals, use postponed | |
| 1327 * signal | |
| 36 | 1328 * Returns TRUE when Vim should exit. |
| 1329 */ | |
| 1330 int | |
| 413 | 1331 vim_handle_signal(sig) |
| 37 | 1332 int sig; |
| 36 | 1333 { |
| 37 | 1334 static int got_signal = 0; |
| 1335 static int blocked = TRUE; | |
| 1336 | |
| 1337 switch (sig) | |
| 36 | 1338 { |
| 37 | 1339 case SIGNAL_BLOCK: blocked = TRUE; |
| 1340 break; | |
| 1341 | |
| 1342 case SIGNAL_UNBLOCK: blocked = FALSE; | |
| 1343 if (got_signal != 0) | |
| 1344 { | |
| 1345 kill(getpid(), got_signal); | |
| 1346 got_signal = 0; | |
| 1347 } | |
| 1348 break; | |
| 1349 | |
| 1350 default: if (!blocked) | |
| 36 | 1351 return TRUE; /* exit! */ |
| 37 | 1352 got_signal = sig; |
| 1353 #ifdef SIGPWR | |
| 1354 if (sig != SIGPWR) | |
| 1355 #endif | |
| 1356 got_int = TRUE; /* break any loops */ | |
| 36 | 1357 break; |
| 1358 } | |
| 1359 return FALSE; | |
| 1360 } | |
| 1361 | |
| 1362 /* | |
| 7 | 1363 * Check_win checks whether we have an interactive stdout. |
| 1364 */ | |
| 1365 int | |
| 1366 mch_check_win(argc, argv) | |
| 1877 | 1367 int argc UNUSED; |
| 1368 char **argv UNUSED; | |
| 7 | 1369 { |
| 1370 #ifdef OS2 | |
| 1371 /* | |
| 1372 * Store argv[0], may be used for $VIM. Only use it if it is an absolute | |
| 1373 * name, mostly it's just "vim" and found in the path, which is unusable. | |
| 1374 */ | |
| 1375 if (mch_isFullName(argv[0])) | |
| 1376 exe_name = vim_strsave((char_u *)argv[0]); | |
| 1377 #endif | |
| 1378 if (isatty(1)) | |
| 1379 return OK; | |
| 1380 return FAIL; | |
| 1381 } | |
| 1382 | |
| 1383 /* | |
| 1384 * Return TRUE if the input comes from a terminal, FALSE otherwise. | |
| 1385 */ | |
| 1386 int | |
| 1387 mch_input_isatty() | |
| 1388 { | |
| 1389 if (isatty(read_cmd_fd)) | |
| 1390 return TRUE; | |
| 1391 return FALSE; | |
| 1392 } | |
| 1393 | |
| 1394 #ifdef FEAT_X11 | |
| 1395 | |
| 1396 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) \ | |
| 1397 && (defined(FEAT_XCLIPBOARD) || defined(FEAT_TITLE)) | |
| 1398 | |
| 1399 static void xopen_message __ARGS((struct timeval *tvp)); | |
| 1400 | |
| 1401 /* | |
| 1402 * Give a message about the elapsed time for opening the X window. | |
| 1403 */ | |
| 1404 static void | |
| 1405 xopen_message(tvp) | |
| 1406 struct timeval *tvp; /* must contain start time */ | |
| 1407 { | |
| 1408 struct timeval end_tv; | |
| 1409 | |
| 1410 /* Compute elapsed time. */ | |
| 1411 gettimeofday(&end_tv, NULL); | |
| 1412 smsg((char_u *)_("Opening the X display took %ld msec"), | |
| 1413 (end_tv.tv_sec - tvp->tv_sec) * 1000L | |
| 273 | 1414 + (end_tv.tv_usec - tvp->tv_usec) / 1000L); |
| 7 | 1415 } |
| 1416 # endif | |
| 1417 #endif | |
| 1418 | |
| 1419 #if defined(FEAT_X11) && (defined(FEAT_TITLE) || defined(FEAT_XCLIPBOARD)) | |
| 1420 /* | |
| 1421 * A few functions shared by X11 title and clipboard code. | |
| 1422 */ | |
| 1423 static int x_error_handler __ARGS((Display *dpy, XErrorEvent *error_event)); | |
| 1424 static int x_error_check __ARGS((Display *dpy, XErrorEvent *error_event)); | |
| 1425 static int x_connect_to_server __ARGS((void)); | |
| 1426 static int test_x11_window __ARGS((Display *dpy)); | |
| 1427 | |
| 1428 static int got_x_error = FALSE; | |
| 1429 | |
| 1430 /* | |
| 1431 * X Error handler, otherwise X just exits! (very rude) -- webb | |
| 1432 */ | |
| 1433 static int | |
| 1434 x_error_handler(dpy, error_event) | |
| 1435 Display *dpy; | |
| 1436 XErrorEvent *error_event; | |
| 1437 { | |
| 42 | 1438 XGetErrorText(dpy, error_event->error_code, (char *)IObuff, IOSIZE); |
| 7 | 1439 STRCAT(IObuff, _("\nVim: Got X error\n")); |
| 1440 | |
| 1441 /* We cannot print a message and continue, because no X calls are allowed | |
| 1442 * here (causes my system to hang). Silently continuing might be an | |
| 1443 * alternative... */ | |
| 1444 preserve_exit(); /* preserve files and exit */ | |
| 1445 | |
| 1446 return 0; /* NOTREACHED */ | |
| 1447 } | |
| 1448 | |
| 1449 /* | |
| 1450 * Another X Error handler, just used to check for errors. | |
| 1451 */ | |
| 1452 static int | |
| 1453 x_error_check(dpy, error_event) | |
| 1883 | 1454 Display *dpy UNUSED; |
| 1455 XErrorEvent *error_event UNUSED; | |
| 7 | 1456 { |
| 1457 got_x_error = TRUE; | |
| 1458 return 0; | |
| 1459 } | |
| 1460 | |
| 1461 #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) | |
| 1462 # if defined(HAVE_SETJMP_H) | |
| 1463 /* | |
| 1464 * An X IO Error handler, used to catch error while opening the display. | |
| 1465 */ | |
| 1466 static int x_IOerror_check __ARGS((Display *dpy)); | |
| 1467 | |
| 1468 static int | |
| 1469 x_IOerror_check(dpy) | |
| 1883 | 1470 Display *dpy UNUSED; |
| 7 | 1471 { |
| 1472 /* This function should not return, it causes exit(). Longjump instead. */ | |
| 1473 LONGJMP(lc_jump_env, 1); | |
|
2074
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1474 # ifdef VMS |
|
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1475 return 0; /* avoid the compiler complains about missing return value */ |
|
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|
1476 # endif |
| 7 | 1477 } |
| 1478 # endif | |
| 1479 | |
| 1480 /* | |
| 1481 * An X IO Error handler, used to catch terminal errors. | |
| 1482 */ | |
| 1483 static int x_IOerror_handler __ARGS((Display *dpy)); | |
| 1484 | |
| 1485 static int | |
| 1486 x_IOerror_handler(dpy) | |
| 1883 | 1487 Display *dpy UNUSED; |
| 7 | 1488 { |
| 1489 xterm_dpy = NULL; | |
| 1490 x11_window = 0; | |
| 1491 x11_display = NULL; | |
| 1492 xterm_Shell = (Widget)0; | |
| 1493 | |
| 1494 /* This function should not return, it causes exit(). Longjump instead. */ | |
| 1495 LONGJMP(x_jump_env, 1); | |
|
2074
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1496 # ifdef VMS |
|
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|
1497 return 0; /* avoid the compiler complains about missing return value */ |
|
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diff
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|
1498 # endif |
| 7 | 1499 } |
| 1500 #endif | |
| 1501 | |
| 1502 /* | |
| 1503 * Return TRUE when connection to the X server is desired. | |
| 1504 */ | |
| 1505 static int | |
| 1506 x_connect_to_server() | |
| 1507 { | |
| 1508 regmatch_T regmatch; | |
| 1509 | |
| 1510 #if defined(FEAT_CLIENTSERVER) | |
| 1511 if (x_force_connect) | |
| 1512 return TRUE; | |
| 1513 #endif | |
| 1514 if (x_no_connect) | |
| 1515 return FALSE; | |
| 1516 | |
| 1517 /* Check for a match with "exclude:" from 'clipboard'. */ | |
| 1518 if (clip_exclude_prog != NULL) | |
| 1519 { | |
| 1520 regmatch.rm_ic = FALSE; /* Don't ignore case */ | |
| 1521 regmatch.regprog = clip_exclude_prog; | |
| 1522 if (vim_regexec(®match, T_NAME, (colnr_T)0)) | |
| 1523 return FALSE; | |
| 1524 } | |
| 1525 return TRUE; | |
| 1526 } | |
| 1527 | |
| 1528 /* | |
| 1529 * Test if "dpy" and x11_window are valid by getting the window title. | |
| 1530 * I don't actually want it yet, so there may be a simpler call to use, but | |
| 1531 * this will cause the error handler x_error_check() to be called if anything | |
| 1532 * is wrong, such as the window pointer being invalid (as can happen when the | |
| 1533 * user changes his DISPLAY, but not his WINDOWID) -- webb | |
| 1534 */ | |
| 1535 static int | |
| 1536 test_x11_window(dpy) | |
| 1537 Display *dpy; | |
| 1538 { | |
| 1539 int (*old_handler)(); | |
| 1540 XTextProperty text_prop; | |
| 1541 | |
| 1542 old_handler = XSetErrorHandler(x_error_check); | |
| 1543 got_x_error = FALSE; | |
| 1544 if (XGetWMName(dpy, x11_window, &text_prop)) | |
| 1545 XFree((void *)text_prop.value); | |
| 1546 XSync(dpy, False); | |
| 1547 (void)XSetErrorHandler(old_handler); | |
| 1548 | |
| 1549 if (p_verbose > 0 && got_x_error) | |
| 292 | 1550 verb_msg((char_u *)_("Testing the X display failed")); |
| 7 | 1551 |
| 1552 return (got_x_error ? FAIL : OK); | |
| 1553 } | |
| 1554 #endif | |
| 1555 | |
| 1556 #ifdef FEAT_TITLE | |
| 1557 | |
| 1558 #ifdef FEAT_X11 | |
| 1559 | |
| 1560 static int get_x11_thing __ARGS((int get_title, int test_only)); | |
| 1561 | |
| 1562 /* | |
| 1563 * try to get x11 window and display | |
| 1564 * | |
| 1565 * return FAIL for failure, OK otherwise | |
| 1566 */ | |
| 1567 static int | |
| 1568 get_x11_windis() | |
| 1569 { | |
| 1570 char *winid; | |
| 1571 static int result = -1; | |
| 1572 #define XD_NONE 0 /* x11_display not set here */ | |
| 1573 #define XD_HERE 1 /* x11_display opened here */ | |
| 1574 #define XD_GUI 2 /* x11_display used from gui.dpy */ | |
| 1575 #define XD_XTERM 3 /* x11_display used from xterm_dpy */ | |
| 1576 static int x11_display_from = XD_NONE; | |
| 1577 static int did_set_error_handler = FALSE; | |
| 1578 | |
| 1579 if (!did_set_error_handler) | |
| 1580 { | |
| 1581 /* X just exits if it finds an error otherwise! */ | |
| 1582 (void)XSetErrorHandler(x_error_handler); | |
| 1583 did_set_error_handler = TRUE; | |
| 1584 } | |
| 1585 | |
| 574 | 1586 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) |
| 7 | 1587 if (gui.in_use) |
| 1588 { | |
| 1589 /* | |
| 1590 * If the X11 display was opened here before, for the window where Vim | |
| 1591 * was started, close that one now to avoid a memory leak. | |
| 1592 */ | |
| 1593 if (x11_display_from == XD_HERE && x11_display != NULL) | |
| 1594 { | |
| 1595 XCloseDisplay(x11_display); | |
| 1596 x11_display_from = XD_NONE; | |
| 1597 } | |
| 1598 if (gui_get_x11_windis(&x11_window, &x11_display) == OK) | |
| 1599 { | |
| 1600 x11_display_from = XD_GUI; | |
| 1601 return OK; | |
| 1602 } | |
| 1603 x11_display = NULL; | |
| 1604 return FAIL; | |
| 1605 } | |
| 1606 else if (x11_display_from == XD_GUI) | |
| 1607 { | |
| 1608 /* GUI must have stopped somehow, clear x11_display */ | |
| 1609 x11_window = 0; | |
| 1610 x11_display = NULL; | |
| 1611 x11_display_from = XD_NONE; | |
| 1612 } | |
| 1613 #endif | |
| 1614 | |
| 1615 /* When started with the "-X" argument, don't try connecting. */ | |
| 1616 if (!x_connect_to_server()) | |
| 1617 return FAIL; | |
| 1618 | |
| 1619 /* | |
| 1620 * If WINDOWID not set, should try another method to find out | |
| 1621 * what the current window number is. The only code I know for | |
| 1622 * this is very complicated. | |
| 1623 * We assume that zero is invalid for WINDOWID. | |
| 1624 */ | |
| 1625 if (x11_window == 0 && (winid = getenv("WINDOWID")) != NULL) | |
| 1626 x11_window = (Window)atol(winid); | |
| 1627 | |
| 1628 #ifdef FEAT_XCLIPBOARD | |
| 1629 if (xterm_dpy != NULL && x11_window != 0) | |
| 1630 { | |
| 1450 | 1631 /* We may have checked it already, but Gnome terminal can move us to |
| 1632 * another window, so we need to check every time. */ | |
| 1633 if (x11_display_from != XD_XTERM) | |
| 1634 { | |
| 1635 /* | |
| 1636 * If the X11 display was opened here before, for the window where | |
| 1637 * Vim was started, close that one now to avoid a memory leak. | |
| 1638 */ | |
| 1639 if (x11_display_from == XD_HERE && x11_display != NULL) | |
| 1640 XCloseDisplay(x11_display); | |
| 1641 x11_display = xterm_dpy; | |
| 1642 x11_display_from = XD_XTERM; | |
| 1643 } | |
| 7 | 1644 if (test_x11_window(x11_display) == FAIL) |
| 1645 { | |
| 1646 /* probably bad $WINDOWID */ | |
| 1647 x11_window = 0; | |
| 1648 x11_display = NULL; | |
| 1649 x11_display_from = XD_NONE; | |
| 1650 return FAIL; | |
| 1651 } | |
| 1652 return OK; | |
| 1653 } | |
| 1654 #endif | |
| 1655 | |
| 1656 if (x11_window == 0 || x11_display == NULL) | |
| 1657 result = -1; | |
| 1658 | |
| 1659 if (result != -1) /* Have already been here and set this */ | |
| 1660 return result; /* Don't do all these X calls again */ | |
| 1661 | |
| 1662 if (x11_window != 0 && x11_display == NULL) | |
| 1663 { | |
| 1664 #ifdef SET_SIG_ALARM | |
| 1665 RETSIGTYPE (*sig_save)(); | |
| 1666 #endif | |
| 1667 #if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 1668 struct timeval start_tv; | |
| 1669 | |
| 1670 if (p_verbose > 0) | |
| 1671 gettimeofday(&start_tv, NULL); | |
| 1672 #endif | |
| 1673 | |
| 1674 #ifdef SET_SIG_ALARM | |
| 1675 /* | |
| 1676 * Opening the Display may hang if the DISPLAY setting is wrong, or | |
| 1677 * the network connection is bad. Set an alarm timer to get out. | |
| 1678 */ | |
| 1679 sig_alarm_called = FALSE; | |
| 1680 sig_save = (RETSIGTYPE (*)())signal(SIGALRM, | |
| 1681 (RETSIGTYPE (*)())sig_alarm); | |
| 1682 alarm(2); | |
| 1683 #endif | |
| 1684 x11_display = XOpenDisplay(NULL); | |
| 1685 | |
| 1686 #ifdef SET_SIG_ALARM | |
| 1687 alarm(0); | |
| 1688 signal(SIGALRM, (RETSIGTYPE (*)())sig_save); | |
| 1689 if (p_verbose > 0 && sig_alarm_called) | |
| 292 | 1690 verb_msg((char_u *)_("Opening the X display timed out")); |
| 7 | 1691 #endif |
| 1692 if (x11_display != NULL) | |
| 1693 { | |
| 1694 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 1695 if (p_verbose > 0) | |
| 292 | 1696 { |
| 1697 verbose_enter(); | |
| 7 | 1698 xopen_message(&start_tv); |
| 292 | 1699 verbose_leave(); |
| 1700 } | |
| 7 | 1701 # endif |
| 1702 if (test_x11_window(x11_display) == FAIL) | |
| 1703 { | |
| 1704 /* Maybe window id is bad */ | |
| 1705 x11_window = 0; | |
| 1706 XCloseDisplay(x11_display); | |
| 1707 x11_display = NULL; | |
| 1708 } | |
| 1709 else | |
| 1710 x11_display_from = XD_HERE; | |
| 1711 } | |
| 1712 } | |
| 1713 if (x11_window == 0 || x11_display == NULL) | |
| 1714 return (result = FAIL); | |
| 1715 return (result = OK); | |
| 1716 } | |
| 1717 | |
| 1718 /* | |
| 1719 * Determine original x11 Window Title | |
| 1720 */ | |
| 1721 static int | |
| 1722 get_x11_title(test_only) | |
| 1723 int test_only; | |
| 1724 { | |
| 32 | 1725 return get_x11_thing(TRUE, test_only); |
| 7 | 1726 } |
| 1727 | |
| 1728 /* | |
| 1729 * Determine original x11 Window icon | |
| 1730 */ | |
| 1731 static int | |
| 1732 get_x11_icon(test_only) | |
| 1733 int test_only; | |
| 1734 { | |
| 1735 int retval = FALSE; | |
| 1736 | |
| 1737 retval = get_x11_thing(FALSE, test_only); | |
| 1738 | |
| 1739 /* could not get old icon, use terminal name */ | |
| 1740 if (oldicon == NULL && !test_only) | |
| 1741 { | |
| 1742 if (STRNCMP(T_NAME, "builtin_", 8) == 0) | |
| 1940 | 1743 oldicon = vim_strsave(T_NAME + 8); |
| 7 | 1744 else |
| 1940 | 1745 oldicon = vim_strsave(T_NAME); |
| 7 | 1746 } |
| 1747 | |
| 1748 return retval; | |
| 1749 } | |
| 1750 | |
| 1751 static int | |
| 1752 get_x11_thing(get_title, test_only) | |
| 1753 int get_title; /* get title string */ | |
| 1754 int test_only; | |
| 1755 { | |
| 1756 XTextProperty text_prop; | |
| 1757 int retval = FALSE; | |
| 1758 Status status; | |
| 1759 | |
| 1760 if (get_x11_windis() == OK) | |
| 1761 { | |
| 1762 /* Get window/icon name if any */ | |
| 1763 if (get_title) | |
| 1764 status = XGetWMName(x11_display, x11_window, &text_prop); | |
| 1765 else | |
| 1766 status = XGetWMIconName(x11_display, x11_window, &text_prop); | |
| 1767 | |
| 1768 /* | |
| 1769 * If terminal is xterm, then x11_window may be a child window of the | |
| 1770 * outer xterm window that actually contains the window/icon name, so | |
| 1771 * keep traversing up the tree until a window with a title/icon is | |
| 1772 * found. | |
| 1773 */ | |
| 1774 /* Previously this was only done for xterm and alikes. I don't see a | |
| 1775 * reason why it would fail for other terminal emulators. | |
| 1776 * if (term_is_xterm) */ | |
| 1777 { | |
| 1778 Window root; | |
| 1779 Window parent; | |
| 1780 Window win = x11_window; | |
| 1781 Window *children; | |
| 1782 unsigned int num_children; | |
| 1783 | |
| 1784 while (!status || text_prop.value == NULL) | |
| 1785 { | |
| 1786 if (!XQueryTree(x11_display, win, &root, &parent, &children, | |
| 1787 &num_children)) | |
| 1788 break; | |
| 1789 if (children) | |
| 1790 XFree((void *)children); | |
| 1791 if (parent == root || parent == 0) | |
| 1792 break; | |
| 1793 | |
| 1794 win = parent; | |
| 1795 if (get_title) | |
| 1796 status = XGetWMName(x11_display, win, &text_prop); | |
| 1797 else | |
| 1798 status = XGetWMIconName(x11_display, win, &text_prop); | |
| 1799 } | |
| 1800 } | |
| 1801 if (status && text_prop.value != NULL) | |
| 1802 { | |
| 1803 retval = TRUE; | |
| 1804 if (!test_only) | |
| 1805 { | |
| 1806 #ifdef FEAT_XFONTSET | |
| 1807 if (text_prop.encoding == XA_STRING) | |
| 1808 { | |
| 1809 #endif | |
| 1810 if (get_title) | |
| 1811 oldtitle = vim_strsave((char_u *)text_prop.value); | |
| 1812 else | |
| 1813 oldicon = vim_strsave((char_u *)text_prop.value); | |
| 1814 #ifdef FEAT_XFONTSET | |
| 1815 } | |
| 1816 else | |
| 1817 { | |
| 1818 char **cl; | |
| 1819 Status transform_status; | |
| 1820 int n = 0; | |
| 1821 | |
| 1822 transform_status = XmbTextPropertyToTextList(x11_display, | |
| 1823 &text_prop, | |
| 1824 &cl, &n); | |
| 1825 if (transform_status >= Success && n > 0 && cl[0]) | |
| 1826 { | |
| 1827 if (get_title) | |
| 1828 oldtitle = vim_strsave((char_u *) cl[0]); | |
| 1829 else | |
| 1830 oldicon = vim_strsave((char_u *) cl[0]); | |
| 1831 XFreeStringList(cl); | |
| 1832 } | |
| 1833 else | |
| 1834 { | |
| 1835 if (get_title) | |
| 1836 oldtitle = vim_strsave((char_u *)text_prop.value); | |
| 1837 else | |
| 1838 oldicon = vim_strsave((char_u *)text_prop.value); | |
| 1839 } | |
| 1840 } | |
| 1841 #endif | |
| 1842 } | |
| 1843 XFree((void *)text_prop.value); | |
| 1844 } | |
| 1845 } | |
| 1846 return retval; | |
| 1847 } | |
| 1848 | |
| 1849 /* Are Xutf8 functions available? Avoid error from old compilers. */ | |
| 1850 #if defined(X_HAVE_UTF8_STRING) && defined(FEAT_MBYTE) | |
| 1851 # if X_HAVE_UTF8_STRING | |
| 1852 # define USE_UTF8_STRING | |
| 1853 # endif | |
| 1854 #endif | |
| 1855 | |
| 1856 /* | |
| 1857 * Set x11 Window Title | |
| 1858 * | |
| 1859 * get_x11_windis() must be called before this and have returned OK | |
| 1860 */ | |
| 1861 static void | |
| 1862 set_x11_title(title) | |
| 1863 char_u *title; | |
| 1864 { | |
| 1865 /* XmbSetWMProperties() and Xutf8SetWMProperties() should use a STRING | |
| 1866 * when possible, COMPOUND_TEXT otherwise. COMPOUND_TEXT isn't | |
| 1867 * supported everywhere and STRING doesn't work for multi-byte titles. | |
| 1868 */ | |
| 1869 #ifdef USE_UTF8_STRING | |
| 1870 if (enc_utf8) | |
| 1871 Xutf8SetWMProperties(x11_display, x11_window, (const char *)title, | |
| 1872 NULL, NULL, 0, NULL, NULL, NULL); | |
| 1873 else | |
| 1874 #endif | |
| 1875 { | |
| 1876 #if XtSpecificationRelease >= 4 | |
| 1877 # ifdef FEAT_XFONTSET | |
| 1878 XmbSetWMProperties(x11_display, x11_window, (const char *)title, | |
| 1879 NULL, NULL, 0, NULL, NULL, NULL); | |
| 1880 # else | |
| 1881 XTextProperty text_prop; | |
| 129 | 1882 char *c_title = (char *)title; |
| 7 | 1883 |
| 1884 /* directly from example 3-18 "basicwin" of Xlib Programming Manual */ | |
| 129 | 1885 (void)XStringListToTextProperty(&c_title, 1, &text_prop); |
| 7 | 1886 XSetWMProperties(x11_display, x11_window, &text_prop, |
| 1887 NULL, NULL, 0, NULL, NULL, NULL); | |
| 1888 # endif | |
| 1889 #else | |
| 1890 XStoreName(x11_display, x11_window, (char *)title); | |
| 1891 #endif | |
| 1892 } | |
| 1893 XFlush(x11_display); | |
| 1894 } | |
| 1895 | |
| 1896 /* | |
| 1897 * Set x11 Window icon | |
| 1898 * | |
| 1899 * get_x11_windis() must be called before this and have returned OK | |
| 1900 */ | |
| 1901 static void | |
| 1902 set_x11_icon(icon) | |
| 1903 char_u *icon; | |
| 1904 { | |
| 1905 /* See above for comments about using X*SetWMProperties(). */ | |
| 1906 #ifdef USE_UTF8_STRING | |
| 1907 if (enc_utf8) | |
| 1908 Xutf8SetWMProperties(x11_display, x11_window, NULL, (const char *)icon, | |
| 1909 NULL, 0, NULL, NULL, NULL); | |
| 1910 else | |
| 1911 #endif | |
| 1912 { | |
| 1913 #if XtSpecificationRelease >= 4 | |
| 1914 # ifdef FEAT_XFONTSET | |
| 1915 XmbSetWMProperties(x11_display, x11_window, NULL, (const char *)icon, | |
| 1916 NULL, 0, NULL, NULL, NULL); | |
| 1917 # else | |
| 1918 XTextProperty text_prop; | |
| 129 | 1919 char *c_icon = (char *)icon; |
| 1920 | |
| 1921 (void)XStringListToTextProperty(&c_icon, 1, &text_prop); | |
| 7 | 1922 XSetWMProperties(x11_display, x11_window, NULL, &text_prop, |
| 1923 NULL, 0, NULL, NULL, NULL); | |
| 1924 # endif | |
| 1925 #else | |
| 1926 XSetIconName(x11_display, x11_window, (char *)icon); | |
| 1927 #endif | |
| 1928 } | |
| 1929 XFlush(x11_display); | |
| 1930 } | |
| 1931 | |
| 1932 #else /* FEAT_X11 */ | |
| 1933 | |
| 1934 static int | |
| 1935 get_x11_title(test_only) | |
| 1883 | 1936 int test_only UNUSED; |
| 7 | 1937 { |
| 1938 return FALSE; | |
| 1939 } | |
| 1940 | |
| 1941 static int | |
| 1942 get_x11_icon(test_only) | |
| 1943 int test_only; | |
| 1944 { | |
| 1945 if (!test_only) | |
| 1946 { | |
| 1947 if (STRNCMP(T_NAME, "builtin_", 8) == 0) | |
| 1940 | 1948 oldicon = vim_strsave(T_NAME + 8); |
| 7 | 1949 else |
| 1940 | 1950 oldicon = vim_strsave(T_NAME); |
| 7 | 1951 } |
| 1952 return FALSE; | |
| 1953 } | |
| 1954 | |
| 1955 #endif /* FEAT_X11 */ | |
| 1956 | |
| 1957 int | |
| 1958 mch_can_restore_title() | |
| 1959 { | |
| 1960 return get_x11_title(TRUE); | |
| 1961 } | |
| 1962 | |
| 1963 int | |
| 1964 mch_can_restore_icon() | |
| 1965 { | |
| 1966 return get_x11_icon(TRUE); | |
| 1967 } | |
| 1968 | |
| 1969 /* | |
| 1970 * Set the window title and icon. | |
| 1971 */ | |
| 1972 void | |
| 1973 mch_settitle(title, icon) | |
| 1974 char_u *title; | |
| 1975 char_u *icon; | |
| 1976 { | |
| 1977 int type = 0; | |
| 1978 static int recursive = 0; | |
| 1979 | |
| 1980 if (T_NAME == NULL) /* no terminal name (yet) */ | |
| 1981 return; | |
| 1982 if (title == NULL && icon == NULL) /* nothing to do */ | |
| 1983 return; | |
| 1984 | |
| 1985 /* When one of the X11 functions causes a deadly signal, we get here again | |
| 1986 * recursively. Avoid hanging then (something is probably locked). */ | |
| 1987 if (recursive) | |
| 1988 return; | |
| 1989 ++recursive; | |
| 1990 | |
| 1991 /* | |
| 1992 * if the window ID and the display is known, we may use X11 calls | |
| 1993 */ | |
| 1994 #ifdef FEAT_X11 | |
| 1995 if (get_x11_windis() == OK) | |
| 1996 type = 1; | |
| 1997 #else | |
| 1998 # if defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_GTK) | |
| 1999 if (gui.in_use) | |
| 2000 type = 1; | |
| 2001 # endif | |
| 2002 #endif | |
| 2003 | |
| 2004 /* | |
| 2005 * Note: if "t_TS" is set, title is set with escape sequence rather | |
| 2006 * than x11 calls, because the x11 calls don't always work | |
| 2007 */ | |
| 2008 if ((type || *T_TS != NUL) && title != NULL) | |
| 2009 { | |
| 2010 if (oldtitle == NULL | |
| 2011 #ifdef FEAT_GUI | |
| 2012 && !gui.in_use | |
| 2013 #endif | |
| 2014 ) /* first call but not in GUI, save title */ | |
| 2015 (void)get_x11_title(FALSE); | |
| 2016 | |
| 2017 if (*T_TS != NUL) /* it's OK if t_fs is empty */ | |
| 2018 term_settitle(title); | |
| 2019 #ifdef FEAT_X11 | |
| 2020 else | |
| 2021 # ifdef FEAT_GUI_GTK | |
| 2022 if (!gui.in_use) /* don't do this if GTK+ is running */ | |
| 2023 # endif | |
| 2024 set_x11_title(title); /* x11 */ | |
| 2025 #endif | |
| 64 | 2026 #if defined(FEAT_GUI_GTK) \ |
| 7 | 2027 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) |
| 2028 else | |
| 2029 gui_mch_settitle(title, icon); | |
| 2030 #endif | |
| 2031 did_set_title = TRUE; | |
| 2032 } | |
| 2033 | |
| 2034 if ((type || *T_CIS != NUL) && icon != NULL) | |
| 2035 { | |
| 2036 if (oldicon == NULL | |
| 2037 #ifdef FEAT_GUI | |
| 2038 && !gui.in_use | |
| 2039 #endif | |
| 2040 ) /* first call, save icon */ | |
| 2041 get_x11_icon(FALSE); | |
| 2042 | |
| 2043 if (*T_CIS != NUL) | |
| 2044 { | |
| 2045 out_str(T_CIS); /* set icon start */ | |
| 2046 out_str_nf(icon); | |
| 2047 out_str(T_CIE); /* set icon end */ | |
| 2048 out_flush(); | |
| 2049 } | |
| 2050 #ifdef FEAT_X11 | |
| 2051 else | |
| 2052 # ifdef FEAT_GUI_GTK | |
| 2053 if (!gui.in_use) /* don't do this if GTK+ is running */ | |
| 2054 # endif | |
| 2055 set_x11_icon(icon); /* x11 */ | |
| 2056 #endif | |
| 2057 did_set_icon = TRUE; | |
| 2058 } | |
| 2059 --recursive; | |
| 2060 } | |
| 2061 | |
| 2062 /* | |
| 2063 * Restore the window/icon title. | |
| 2064 * "which" is one of: | |
| 2065 * 1 only restore title | |
| 2066 * 2 only restore icon | |
| 2067 * 3 restore title and icon | |
| 2068 */ | |
| 2069 void | |
| 2070 mch_restore_title(which) | |
| 2071 int which; | |
| 2072 { | |
| 2073 /* only restore the title or icon when it has been set */ | |
| 2074 mch_settitle(((which & 1) && did_set_title) ? | |
| 2075 (oldtitle ? oldtitle : p_titleold) : NULL, | |
| 2076 ((which & 2) && did_set_icon) ? oldicon : NULL); | |
| 2077 } | |
| 2078 | |
| 2079 #endif /* FEAT_TITLE */ | |
| 2080 | |
| 2081 /* | |
| 2082 * Return TRUE if "name" looks like some xterm name. | |
| 158 | 2083 * Seiichi Sato mentioned that "mlterm" works like xterm. |
| 7 | 2084 */ |
| 2085 int | |
| 2086 vim_is_xterm(name) | |
| 2087 char_u *name; | |
| 2088 { | |
| 2089 if (name == NULL) | |
| 2090 return FALSE; | |
| 2091 return (STRNICMP(name, "xterm", 5) == 0 | |
| 2092 || STRNICMP(name, "nxterm", 6) == 0 | |
| 2093 || STRNICMP(name, "kterm", 5) == 0 | |
| 158 | 2094 || STRNICMP(name, "mlterm", 6) == 0 |
| 7 | 2095 || STRNICMP(name, "rxvt", 4) == 0 |
| 2096 || STRCMP(name, "builtin_xterm") == 0); | |
| 2097 } | |
| 2098 | |
| 1620 | 2099 #if defined(FEAT_MOUSE_XTERM) || defined(PROTO) |
| 2100 /* | |
| 2101 * Return TRUE if "name" appears to be that of a terminal | |
| 2102 * known to support the xterm-style mouse protocol. | |
| 2103 * Relies on term_is_xterm having been set to its correct value. | |
| 2104 */ | |
| 2105 int | |
| 2106 use_xterm_like_mouse(name) | |
| 2107 char_u *name; | |
| 2108 { | |
| 2109 return (name != NULL | |
| 2110 && (term_is_xterm || STRNICMP(name, "screen", 6) == 0)); | |
| 2111 } | |
| 2112 #endif | |
| 2113 | |
| 7 | 2114 #if defined(FEAT_MOUSE_TTY) || defined(PROTO) |
| 2115 /* | |
| 2116 * Return non-zero when using an xterm mouse, according to 'ttymouse'. | |
| 2117 * Return 1 for "xterm". | |
| 2118 * Return 2 for "xterm2". | |
| 2119 */ | |
| 2120 int | |
| 2121 use_xterm_mouse() | |
| 2122 { | |
| 2123 if (ttym_flags == TTYM_XTERM2) | |
| 2124 return 2; | |
| 2125 if (ttym_flags == TTYM_XTERM) | |
| 2126 return 1; | |
| 2127 return 0; | |
| 2128 } | |
| 2129 #endif | |
| 2130 | |
| 2131 int | |
| 2132 vim_is_iris(name) | |
| 2133 char_u *name; | |
| 2134 { | |
| 2135 if (name == NULL) | |
| 2136 return FALSE; | |
| 2137 return (STRNICMP(name, "iris-ansi", 9) == 0 | |
| 2138 || STRCMP(name, "builtin_iris-ansi") == 0); | |
| 2139 } | |
| 2140 | |
| 2141 int | |
| 2142 vim_is_vt300(name) | |
| 2143 char_u *name; | |
| 2144 { | |
| 2145 if (name == NULL) | |
| 2146 return FALSE; /* actually all ANSI comp. terminals should be here */ | |
| 22 | 2147 /* catch VT100 - VT5xx */ |
| 2148 return ((STRNICMP(name, "vt", 2) == 0 | |
| 2149 && vim_strchr((char_u *)"12345", name[2]) != NULL) | |
| 7 | 2150 || STRCMP(name, "builtin_vt320") == 0); |
| 2151 } | |
| 2152 | |
| 2153 /* | |
| 2154 * Return TRUE if "name" is a terminal for which 'ttyfast' should be set. | |
| 2155 * This should include all windowed terminal emulators. | |
| 2156 */ | |
| 2157 int | |
| 2158 vim_is_fastterm(name) | |
| 2159 char_u *name; | |
| 2160 { | |
| 2161 if (name == NULL) | |
| 2162 return FALSE; | |
| 2163 if (vim_is_xterm(name) || vim_is_vt300(name) || vim_is_iris(name)) | |
| 2164 return TRUE; | |
| 2165 return ( STRNICMP(name, "hpterm", 6) == 0 | |
| 2166 || STRNICMP(name, "sun-cmd", 7) == 0 | |
| 2167 || STRNICMP(name, "screen", 6) == 0 | |
| 2168 || STRNICMP(name, "dtterm", 6) == 0); | |
| 2169 } | |
| 2170 | |
| 2171 /* | |
| 2172 * Insert user name in s[len]. | |
| 2173 * Return OK if a name found. | |
| 2174 */ | |
| 2175 int | |
| 2176 mch_get_user_name(s, len) | |
| 2177 char_u *s; | |
| 2178 int len; | |
| 2179 { | |
| 2180 #ifdef VMS | |
| 509 | 2181 vim_strncpy(s, (char_u *)cuserid(NULL), len - 1); |
| 7 | 2182 return OK; |
| 2183 #else | |
| 2184 return mch_get_uname(getuid(), s, len); | |
| 2185 #endif | |
| 2186 } | |
| 2187 | |
| 2188 /* | |
| 2189 * Insert user name for "uid" in s[len]. | |
| 2190 * Return OK if a name found. | |
| 2191 */ | |
| 2192 int | |
| 2193 mch_get_uname(uid, s, len) | |
| 2194 uid_t uid; | |
| 2195 char_u *s; | |
| 2196 int len; | |
| 2197 { | |
| 2198 #if defined(HAVE_PWD_H) && defined(HAVE_GETPWUID) | |
| 2199 struct passwd *pw; | |
| 2200 | |
| 2201 if ((pw = getpwuid(uid)) != NULL | |
| 2202 && pw->pw_name != NULL && *(pw->pw_name) != NUL) | |
| 2203 { | |
| 418 | 2204 vim_strncpy(s, (char_u *)pw->pw_name, len - 1); |
| 7 | 2205 return OK; |
| 2206 } | |
| 2207 #endif | |
| 2208 sprintf((char *)s, "%d", (int)uid); /* assumes s is long enough */ | |
| 2209 return FAIL; /* a number is not a name */ | |
| 2210 } | |
| 2211 | |
| 2212 /* | |
| 2213 * Insert host name is s[len]. | |
| 2214 */ | |
| 2215 | |
| 2216 #ifdef HAVE_SYS_UTSNAME_H | |
| 2217 void | |
| 2218 mch_get_host_name(s, len) | |
| 2219 char_u *s; | |
| 2220 int len; | |
| 2221 { | |
| 2222 struct utsname vutsname; | |
| 2223 | |
| 2224 if (uname(&vutsname) < 0) | |
| 2225 *s = NUL; | |
| 2226 else | |
| 418 | 2227 vim_strncpy(s, (char_u *)vutsname.nodename, len - 1); |
| 7 | 2228 } |
| 2229 #else /* HAVE_SYS_UTSNAME_H */ | |
| 2230 | |
| 2231 # ifdef HAVE_SYS_SYSTEMINFO_H | |
| 2232 # define gethostname(nam, len) sysinfo(SI_HOSTNAME, nam, len) | |
| 2233 # endif | |
| 2234 | |
| 2235 void | |
| 2236 mch_get_host_name(s, len) | |
| 2237 char_u *s; | |
| 2238 int len; | |
| 2239 { | |
| 2240 # ifdef VAXC | |
| 2241 vaxc$gethostname((char *)s, len); | |
| 2242 # else | |
| 2243 gethostname((char *)s, len); | |
| 2244 # endif | |
| 2245 s[len - 1] = NUL; /* make sure it's terminated */ | |
| 2246 } | |
| 2247 #endif /* HAVE_SYS_UTSNAME_H */ | |
| 2248 | |
| 2249 /* | |
| 2250 * return process ID | |
| 2251 */ | |
| 2252 long | |
| 2253 mch_get_pid() | |
| 2254 { | |
| 2255 return (long)getpid(); | |
| 2256 } | |
| 2257 | |
| 2258 #if !defined(HAVE_STRERROR) && defined(USE_GETCWD) | |
| 2259 static char *strerror __ARGS((int)); | |
| 2260 | |
| 2261 static char * | |
| 2262 strerror(err) | |
| 2263 int err; | |
| 2264 { | |
| 2265 extern int sys_nerr; | |
| 2266 extern char *sys_errlist[]; | |
| 2267 static char er[20]; | |
| 2268 | |
| 2269 if (err > 0 && err < sys_nerr) | |
| 2270 return (sys_errlist[err]); | |
| 2271 sprintf(er, "Error %d", err); | |
| 2272 return er; | |
| 2273 } | |
| 2274 #endif | |
| 2275 | |
| 2276 /* | |
| 2277 * Get name of current directory into buffer 'buf' of length 'len' bytes. | |
| 2278 * Return OK for success, FAIL for failure. | |
| 2279 */ | |
| 2280 int | |
| 2281 mch_dirname(buf, len) | |
| 2282 char_u *buf; | |
| 2283 int len; | |
| 2284 { | |
| 2285 #if defined(USE_GETCWD) | |
| 2286 if (getcwd((char *)buf, len) == NULL) | |
| 2287 { | |
| 2288 STRCPY(buf, strerror(errno)); | |
| 2289 return FAIL; | |
| 2290 } | |
| 2291 return OK; | |
| 2292 #else | |
| 2293 return (getwd((char *)buf) != NULL ? OK : FAIL); | |
| 2294 #endif | |
| 2295 } | |
| 2296 | |
| 2297 #if defined(OS2) || defined(PROTO) | |
| 2298 /* | |
| 2299 * Replace all slashes by backslashes. | |
| 2300 * When 'shellslash' set do it the other way around. | |
| 2301 */ | |
| 2302 void | |
| 2303 slash_adjust(p) | |
| 2304 char_u *p; | |
| 2305 { | |
| 2306 while (*p) | |
| 2307 { | |
| 2308 if (*p == psepcN) | |
| 2309 *p = psepc; | |
| 39 | 2310 mb_ptr_adv(p); |
| 7 | 2311 } |
| 2312 } | |
| 2313 #endif | |
| 2314 | |
| 2315 /* | |
| 1045 | 2316 * Get absolute file name into "buf[len]". |
| 7 | 2317 * |
| 2318 * return FAIL for failure, OK for success | |
| 2319 */ | |
| 2320 int | |
| 2321 mch_FullName(fname, buf, len, force) | |
| 2322 char_u *fname, *buf; | |
| 2323 int len; | |
| 2324 int force; /* also expand when already absolute path */ | |
| 2325 { | |
| 2326 int l; | |
| 1082 | 2327 #ifdef OS2 |
| 7 | 2328 int only_drive; /* file name is only a drive letter */ |
| 1082 | 2329 #endif |
| 2330 #ifdef HAVE_FCHDIR | |
| 7 | 2331 int fd = -1; |
| 2332 static int dont_fchdir = FALSE; /* TRUE when fchdir() doesn't work */ | |
| 1082 | 2333 #endif |
| 7 | 2334 char_u olddir[MAXPATHL]; |
| 2335 char_u *p; | |
| 2336 int retval = OK; | |
| 1615 | 2337 #ifdef __CYGWIN__ |
| 1620 | 2338 char_u posix_fname[MAXPATHL]; /* Cygwin docs mention MAX_PATH, but |
| 2339 it's not always defined */ | |
| 2340 #endif | |
| 7 | 2341 |
| 1082 | 2342 #ifdef VMS |
| 2343 fname = vms_fixfilename(fname); | |
| 2344 #endif | |
| 2345 | |
| 1102 | 2346 #ifdef __CYGWIN__ |
| 2347 /* | |
| 2348 * This helps for when "/etc/hosts" is a symlink to "c:/something/hosts". | |
| 2349 */ | |
| 1657 | 2350 # if CYGWIN_VERSION_DLL_MAJOR >= 1007 |
| 2351 cygwin_conv_path(CCP_WIN_A_TO_POSIX, fname, posix_fname, MAXPATHL); | |
| 2352 # else | |
| 1615 | 2353 cygwin_conv_to_posix_path(fname, posix_fname); |
| 1657 | 2354 # endif |
| 1615 | 2355 fname = posix_fname; |
| 1102 | 2356 #endif |
| 2357 | |
| 7 | 2358 /* expand it if forced or not an absolute path */ |
| 2359 if (force || !mch_isFullName(fname)) | |
| 2360 { | |
| 2361 /* | |
| 2362 * If the file name has a path, change to that directory for a moment, | |
| 2363 * and then do the getwd() (and get back to where we were). | |
| 2364 * This will get the correct path name with "../" things. | |
| 2365 */ | |
| 1082 | 2366 #ifdef OS2 |
| 7 | 2367 only_drive = 0; |
| 2368 if (((p = vim_strrchr(fname, '/')) != NULL) | |
| 2369 || ((p = vim_strrchr(fname, '\\')) != NULL) | |
| 2370 || (((p = vim_strchr(fname, ':')) != NULL) && ++only_drive)) | |
| 1082 | 2371 #else |
| 7 | 2372 if ((p = vim_strrchr(fname, '/')) != NULL) |
| 1082 | 2373 #endif |
| 7 | 2374 { |
| 1082 | 2375 #ifdef HAVE_FCHDIR |
| 7 | 2376 /* |
| 2377 * Use fchdir() if possible, it's said to be faster and more | |
| 2378 * reliable. But on SunOS 4 it might not work. Check this by | |
| 2379 * doing a fchdir() right now. | |
| 2380 */ | |
| 2381 if (!dont_fchdir) | |
| 2382 { | |
| 2383 fd = open(".", O_RDONLY | O_EXTRA, 0); | |
| 2384 if (fd >= 0 && fchdir(fd) < 0) | |
| 2385 { | |
| 2386 close(fd); | |
| 2387 fd = -1; | |
| 2388 dont_fchdir = TRUE; /* don't try again */ | |
| 2389 } | |
| 2390 } | |
| 1082 | 2391 #endif |
| 7 | 2392 |
| 2393 /* Only change directory when we are sure we can return to where | |
| 2394 * we are now. After doing "su" chdir(".") might not work. */ | |
| 2395 if ( | |
| 1082 | 2396 #ifdef HAVE_FCHDIR |
| 7 | 2397 fd < 0 && |
| 1082 | 2398 #endif |
| 7 | 2399 (mch_dirname(olddir, MAXPATHL) == FAIL |
| 2400 || mch_chdir((char *)olddir) != 0)) | |
| 2401 { | |
| 2402 p = NULL; /* can't get current dir: don't chdir */ | |
| 2403 retval = FAIL; | |
| 2404 } | |
| 2405 else | |
| 2406 { | |
| 1082 | 2407 #ifdef OS2 |
| 7 | 2408 /* |
| 2409 * compensate for case where ':' from "D:" was the only | |
| 2410 * path separator detected in the file name; the _next_ | |
| 2411 * character has to be removed, and then restored later. | |
| 2412 */ | |
| 2413 if (only_drive) | |
| 2414 p++; | |
| 1082 | 2415 #endif |
| 7 | 2416 /* The directory is copied into buf[], to be able to remove |
| 2417 * the file name without changing it (could be a string in | |
| 2418 * read-only memory) */ | |
| 2419 if (p - fname >= len) | |
| 2420 retval = FAIL; | |
| 2421 else | |
| 2422 { | |
| 418 | 2423 vim_strncpy(buf, fname, p - fname); |
| 7 | 2424 if (mch_chdir((char *)buf)) |
| 2425 retval = FAIL; | |
| 2426 else | |
| 2427 fname = p + 1; | |
| 2428 *buf = NUL; | |
| 2429 } | |
| 1082 | 2430 #ifdef OS2 |
| 7 | 2431 if (only_drive) |
| 2432 { | |
| 2433 p--; | |
| 2434 if (retval != FAIL) | |
| 2435 fname--; | |
| 2436 } | |
| 1082 | 2437 #endif |
| 7 | 2438 } |
| 2439 } | |
| 2440 if (mch_dirname(buf, len) == FAIL) | |
| 2441 { | |
| 2442 retval = FAIL; | |
| 2443 *buf = NUL; | |
| 2444 } | |
| 2445 if (p != NULL) | |
| 2446 { | |
| 1082 | 2447 #ifdef HAVE_FCHDIR |
| 7 | 2448 if (fd >= 0) |
| 2449 { | |
| 1935 | 2450 if (p_verbose >= 5) |
| 2451 { | |
| 2452 verbose_enter(); | |
| 2453 MSG("fchdir() to previous dir"); | |
| 2454 verbose_leave(); | |
| 2455 } | |
| 7 | 2456 l = fchdir(fd); |
| 2457 close(fd); | |
| 2458 } | |
| 2459 else | |
| 1082 | 2460 #endif |
| 7 | 2461 l = mch_chdir((char *)olddir); |
| 2462 if (l != 0) | |
| 2463 EMSG(_(e_prev_dir)); | |
| 2464 } | |
| 2465 | |
| 2466 l = STRLEN(buf); | |
| 2467 if (l >= len) | |
| 2468 retval = FAIL; | |
| 1082 | 2469 #ifndef VMS |
| 7 | 2470 else |
| 2471 { | |
| 2472 if (l > 0 && buf[l - 1] != '/' && *fname != NUL | |
| 2473 && STRCMP(fname, ".") != 0) | |
| 2474 STRCAT(buf, "/"); | |
| 2475 } | |
| 1082 | 2476 #endif |
| 7 | 2477 } |
| 1045 | 2478 |
| 7 | 2479 /* Catch file names which are too long. */ |
| 1877 | 2480 if (retval == FAIL || (int)(STRLEN(buf) + STRLEN(fname)) >= len) |
| 7 | 2481 return FAIL; |
| 2482 | |
| 2483 /* Do not append ".", "/dir/." is equal to "/dir". */ | |
| 2484 if (STRCMP(fname, ".") != 0) | |
| 2485 STRCAT(buf, fname); | |
| 2486 | |
| 2487 return OK; | |
| 2488 } | |
| 2489 | |
| 2490 /* | |
| 2491 * Return TRUE if "fname" does not depend on the current directory. | |
| 2492 */ | |
| 2493 int | |
| 2494 mch_isFullName(fname) | |
| 2495 char_u *fname; | |
| 2496 { | |
| 2497 #ifdef __EMX__ | |
| 2498 return _fnisabs(fname); | |
| 2499 #else | |
| 2500 # ifdef VMS | |
| 2501 return ( fname[0] == '/' || fname[0] == '.' || | |
| 2502 strchr((char *)fname,':') || strchr((char *)fname,'"') || | |
| 2503 (strchr((char *)fname,'[') && strchr((char *)fname,']'))|| | |
| 2504 (strchr((char *)fname,'<') && strchr((char *)fname,'>')) ); | |
| 2505 # else | |
| 2506 return (*fname == '/' || *fname == '~'); | |
| 2507 # endif | |
| 2508 #endif | |
| 2509 } | |
| 2510 | |
| 585 | 2511 #if defined(USE_FNAME_CASE) || defined(PROTO) |
| 2512 /* | |
| 2513 * Set the case of the file name, if it already exists. This will cause the | |
| 2514 * file name to remain exactly the same. | |
| 1450 | 2515 * Only required for file systems where case is ignored and preserved. |
| 585 | 2516 */ |
| 2517 void | |
| 2518 fname_case(name, len) | |
| 2519 char_u *name; | |
| 1883 | 2520 int len UNUSED; /* buffer size, only used when name gets longer */ |
| 585 | 2521 { |
| 2522 struct stat st; | |
| 2523 char_u *slash, *tail; | |
| 2524 DIR *dirp; | |
| 2525 struct dirent *dp; | |
| 2526 | |
| 2527 if (lstat((char *)name, &st) >= 0) | |
| 2528 { | |
| 2529 /* Open the directory where the file is located. */ | |
| 2530 slash = vim_strrchr(name, '/'); | |
| 2531 if (slash == NULL) | |
| 2532 { | |
| 2533 dirp = opendir("."); | |
| 2534 tail = name; | |
| 2535 } | |
| 2536 else | |
| 2537 { | |
| 2538 *slash = NUL; | |
| 2539 dirp = opendir((char *)name); | |
| 2540 *slash = '/'; | |
| 2541 tail = slash + 1; | |
| 2542 } | |
| 2543 | |
| 2544 if (dirp != NULL) | |
| 2545 { | |
| 2546 while ((dp = readdir(dirp)) != NULL) | |
| 2547 { | |
| 2548 /* Only accept names that differ in case and are the same byte | |
| 2549 * length. TODO: accept different length name. */ | |
| 2550 if (STRICMP(tail, dp->d_name) == 0 | |
| 2551 && STRLEN(tail) == STRLEN(dp->d_name)) | |
| 2552 { | |
| 2553 char_u newname[MAXPATHL + 1]; | |
| 2554 struct stat st2; | |
| 2555 | |
| 2556 /* Verify the inode is equal. */ | |
| 2557 vim_strncpy(newname, name, MAXPATHL); | |
| 2558 vim_strncpy(newname + (tail - name), (char_u *)dp->d_name, | |
| 2559 MAXPATHL - (tail - name)); | |
| 2560 if (lstat((char *)newname, &st2) >= 0 | |
| 2561 && st.st_ino == st2.st_ino | |
| 2562 && st.st_dev == st2.st_dev) | |
| 2563 { | |
| 2564 STRCPY(tail, dp->d_name); | |
| 2565 break; | |
| 2566 } | |
| 2567 } | |
| 2568 } | |
| 2569 | |
| 2570 closedir(dirp); | |
| 2571 } | |
| 2572 } | |
| 2573 } | |
| 2574 #endif | |
| 2575 | |
| 7 | 2576 /* |
| 2577 * Get file permissions for 'name'. | |
| 2578 * Returns -1 when it doesn't exist. | |
| 2579 */ | |
| 2580 long | |
| 2581 mch_getperm(name) | |
| 2582 char_u *name; | |
| 2583 { | |
| 2584 struct stat statb; | |
| 2585 | |
| 2586 /* Keep the #ifdef outside of stat(), it may be a macro. */ | |
| 2587 #ifdef VMS | |
| 2588 if (stat((char *)vms_fixfilename(name), &statb)) | |
| 2589 #else | |
| 2590 if (stat((char *)name, &statb)) | |
| 2591 #endif | |
| 2592 return -1; | |
| 1350 | 2593 #ifdef __INTERIX |
| 2594 /* The top bit makes the value negative, which means the file doesn't | |
| 2595 * exist. Remove the bit, we don't use it. */ | |
| 2596 return statb.st_mode & ~S_ADDACE; | |
| 2597 #else | |
| 7 | 2598 return statb.st_mode; |
| 1350 | 2599 #endif |
| 7 | 2600 } |
| 2601 | |
| 2602 /* | |
| 2603 * set file permission for 'name' to 'perm' | |
| 2604 * | |
| 2605 * return FAIL for failure, OK otherwise | |
| 2606 */ | |
| 2607 int | |
| 2608 mch_setperm(name, perm) | |
| 2609 char_u *name; | |
| 2610 long perm; | |
| 2611 { | |
| 2612 return (chmod((char *) | |
| 2613 #ifdef VMS | |
| 2614 vms_fixfilename(name), | |
| 2615 #else | |
| 2616 name, | |
| 2617 #endif | |
| 2618 (mode_t)perm) == 0 ? OK : FAIL); | |
| 2619 } | |
| 2620 | |
| 2621 #if defined(HAVE_ACL) || defined(PROTO) | |
| 2622 # ifdef HAVE_SYS_ACL_H | |
| 2623 # include <sys/acl.h> | |
| 2624 # endif | |
| 2625 # ifdef HAVE_SYS_ACCESS_H | |
| 2626 # include <sys/access.h> | |
| 2627 # endif | |
| 2628 | |
| 2629 # ifdef HAVE_SOLARIS_ACL | |
| 2630 typedef struct vim_acl_solaris_T { | |
| 2631 int acl_cnt; | |
| 2632 aclent_t *acl_entry; | |
| 2633 } vim_acl_solaris_T; | |
| 2634 # endif | |
| 2635 | |
| 1583 | 2636 #if defined(HAVE_SELINUX) || defined(PROTO) |
| 2637 /* | |
| 2638 * Copy security info from "from_file" to "to_file". | |
| 2639 */ | |
| 2640 void | |
| 2641 mch_copy_sec(from_file, to_file) | |
| 2642 char_u *from_file; | |
| 2643 char_u *to_file; | |
| 2644 { | |
| 2645 if (from_file == NULL) | |
| 2646 return; | |
| 2647 | |
| 2648 if (selinux_enabled == -1) | |
| 2649 selinux_enabled = is_selinux_enabled(); | |
| 2650 | |
| 2651 if (selinux_enabled > 0) | |
| 2652 { | |
| 2653 security_context_t from_context = NULL; | |
| 2654 security_context_t to_context = NULL; | |
| 2655 | |
| 2656 if (getfilecon((char *)from_file, &from_context) < 0) | |
| 2657 { | |
| 2658 /* If the filesystem doesn't support extended attributes, | |
| 2659 the original had no special security context and the | |
| 2660 target cannot have one either. */ | |
| 2661 if (errno == EOPNOTSUPP) | |
| 2662 return; | |
| 2663 | |
| 2664 MSG_PUTS(_("\nCould not get security context for ")); | |
| 2665 msg_outtrans(from_file); | |
| 2666 msg_putchar('\n'); | |
| 2667 return; | |
| 2668 } | |
| 2669 if (getfilecon((char *)to_file, &to_context) < 0) | |
| 2670 { | |
| 2671 MSG_PUTS(_("\nCould not get security context for ")); | |
| 2672 msg_outtrans(to_file); | |
| 2673 msg_putchar('\n'); | |
| 2674 freecon (from_context); | |
| 2675 return ; | |
| 2676 } | |
| 2677 if (strcmp(from_context, to_context) != 0) | |
| 2678 { | |
| 2679 if (setfilecon((char *)to_file, from_context) < 0) | |
| 2680 { | |
| 2681 MSG_PUTS(_("\nCould not set security context for ")); | |
| 2682 msg_outtrans(to_file); | |
| 2683 msg_putchar('\n'); | |
| 2684 } | |
| 2685 } | |
| 2686 freecon(to_context); | |
| 2687 freecon(from_context); | |
| 2688 } | |
| 2689 } | |
| 2690 #endif /* HAVE_SELINUX */ | |
| 2691 | |
| 7 | 2692 /* |
| 2693 * Return a pointer to the ACL of file "fname" in allocated memory. | |
| 2694 * Return NULL if the ACL is not available for whatever reason. | |
| 2695 */ | |
| 2696 vim_acl_T | |
| 2697 mch_get_acl(fname) | |
| 1877 | 2698 char_u *fname UNUSED; |
| 7 | 2699 { |
| 2700 vim_acl_T ret = NULL; | |
| 2701 #ifdef HAVE_POSIX_ACL | |
| 2702 ret = (vim_acl_T)acl_get_file((char *)fname, ACL_TYPE_ACCESS); | |
| 2703 #else | |
| 2704 #ifdef HAVE_SOLARIS_ACL | |
| 2705 vim_acl_solaris_T *aclent; | |
| 2706 | |
| 2707 aclent = malloc(sizeof(vim_acl_solaris_T)); | |
| 2708 if ((aclent->acl_cnt = acl((char *)fname, GETACLCNT, 0, NULL)) < 0) | |
| 2709 { | |
| 2710 free(aclent); | |
| 2711 return NULL; | |
| 2712 } | |
| 2713 aclent->acl_entry = malloc(aclent->acl_cnt * sizeof(aclent_t)); | |
| 2714 if (acl((char *)fname, GETACL, aclent->acl_cnt, aclent->acl_entry) < 0) | |
| 2715 { | |
| 2716 free(aclent->acl_entry); | |
| 2717 free(aclent); | |
| 2718 return NULL; | |
| 2719 } | |
| 2720 ret = (vim_acl_T)aclent; | |
| 2721 #else | |
| 2722 #if defined(HAVE_AIX_ACL) | |
| 2723 int aclsize; | |
| 2724 struct acl *aclent; | |
| 2725 | |
| 2726 aclsize = sizeof(struct acl); | |
| 2727 aclent = malloc(aclsize); | |
| 2728 if (statacl((char *)fname, STX_NORMAL, aclent, aclsize) < 0) | |
| 2729 { | |
| 2730 if (errno == ENOSPC) | |
| 2731 { | |
| 2732 aclsize = aclent->acl_len; | |
| 2733 aclent = realloc(aclent, aclsize); | |
| 2734 if (statacl((char *)fname, STX_NORMAL, aclent, aclsize) < 0) | |
| 2735 { | |
| 2736 free(aclent); | |
| 2737 return NULL; | |
| 2738 } | |
| 2739 } | |
| 2740 else | |
| 2741 { | |
| 2742 free(aclent); | |
| 2743 return NULL; | |
| 2744 } | |
| 2745 } | |
| 2746 ret = (vim_acl_T)aclent; | |
| 2747 #endif /* HAVE_AIX_ACL */ | |
| 2748 #endif /* HAVE_SOLARIS_ACL */ | |
| 2749 #endif /* HAVE_POSIX_ACL */ | |
| 2750 return ret; | |
| 2751 } | |
| 2752 | |
| 2753 /* | |
| 2754 * Set the ACL of file "fname" to "acl" (unless it's NULL). | |
| 2755 */ | |
| 2756 void | |
| 2757 mch_set_acl(fname, aclent) | |
| 1877 | 2758 char_u *fname UNUSED; |
| 7 | 2759 vim_acl_T aclent; |
| 2760 { | |
| 2761 if (aclent == NULL) | |
| 2762 return; | |
| 2763 #ifdef HAVE_POSIX_ACL | |
| 2764 acl_set_file((char *)fname, ACL_TYPE_ACCESS, (acl_t)aclent); | |
| 2765 #else | |
| 2766 #ifdef HAVE_SOLARIS_ACL | |
| 2767 acl((char *)fname, SETACL, ((vim_acl_solaris_T *)aclent)->acl_cnt, | |
| 2768 ((vim_acl_solaris_T *)aclent)->acl_entry); | |
| 2769 #else | |
| 2770 #ifdef HAVE_AIX_ACL | |
| 2771 chacl((char *)fname, aclent, ((struct acl *)aclent)->acl_len); | |
| 2772 #endif /* HAVE_AIX_ACL */ | |
| 2773 #endif /* HAVE_SOLARIS_ACL */ | |
| 2774 #endif /* HAVE_POSIX_ACL */ | |
| 2775 } | |
| 2776 | |
| 2777 void | |
| 2778 mch_free_acl(aclent) | |
| 2779 vim_acl_T aclent; | |
| 2780 { | |
| 2781 if (aclent == NULL) | |
| 2782 return; | |
| 2783 #ifdef HAVE_POSIX_ACL | |
| 2784 acl_free((acl_t)aclent); | |
| 2785 #else | |
| 2786 #ifdef HAVE_SOLARIS_ACL | |
| 2787 free(((vim_acl_solaris_T *)aclent)->acl_entry); | |
| 2788 free(aclent); | |
| 2789 #else | |
| 2790 #ifdef HAVE_AIX_ACL | |
| 2791 free(aclent); | |
| 2792 #endif /* HAVE_AIX_ACL */ | |
| 2793 #endif /* HAVE_SOLARIS_ACL */ | |
| 2794 #endif /* HAVE_POSIX_ACL */ | |
| 2795 } | |
| 2796 #endif | |
| 2797 | |
| 2798 /* | |
| 2799 * Set hidden flag for "name". | |
| 2800 */ | |
| 2801 void | |
| 2802 mch_hide(name) | |
| 1877 | 2803 char_u *name UNUSED; |
| 7 | 2804 { |
| 2805 /* can't hide a file */ | |
| 2806 } | |
| 2807 | |
| 2808 /* | |
| 2809 * return TRUE if "name" is a directory | |
| 2810 * return FALSE if "name" is not a directory | |
| 2811 * return FALSE for error | |
| 2812 */ | |
| 2813 int | |
| 2814 mch_isdir(name) | |
| 2815 char_u *name; | |
| 2816 { | |
| 2817 struct stat statb; | |
| 2818 | |
| 2819 if (*name == NUL) /* Some stat()s don't flag "" as an error. */ | |
| 2820 return FALSE; | |
| 2821 if (stat((char *)name, &statb)) | |
| 2822 return FALSE; | |
| 2823 #ifdef _POSIX_SOURCE | |
| 2824 return (S_ISDIR(statb.st_mode) ? TRUE : FALSE); | |
| 2825 #else | |
| 2826 return ((statb.st_mode & S_IFMT) == S_IFDIR ? TRUE : FALSE); | |
| 2827 #endif | |
| 2828 } | |
| 2829 | |
| 2830 static int executable_file __ARGS((char_u *name)); | |
| 2831 | |
| 2832 /* | |
| 2833 * Return 1 if "name" is an executable file, 0 if not or it doesn't exist. | |
| 2834 */ | |
| 2835 static int | |
| 2836 executable_file(name) | |
| 2837 char_u *name; | |
| 2838 { | |
| 2839 struct stat st; | |
| 2840 | |
| 2841 if (stat((char *)name, &st)) | |
| 2842 return 0; | |
| 2843 return S_ISREG(st.st_mode) && mch_access((char *)name, X_OK) == 0; | |
| 2844 } | |
| 2845 | |
| 2846 /* | |
| 2847 * Return 1 if "name" can be found in $PATH and executed, 0 if not. | |
| 2848 * Return -1 if unknown. | |
| 2849 */ | |
| 2850 int | |
| 2851 mch_can_exe(name) | |
| 2852 char_u *name; | |
| 2853 { | |
| 2854 char_u *buf; | |
| 2855 char_u *p, *e; | |
| 2856 int retval; | |
| 2857 | |
| 2858 /* If it's an absolute or relative path don't need to use $PATH. */ | |
| 2859 if (mch_isFullName(name) || (name[0] == '.' && (name[1] == '/' | |
| 2860 || (name[1] == '.' && name[2] == '/')))) | |
| 2861 return executable_file(name); | |
| 2862 | |
| 2863 p = (char_u *)getenv("PATH"); | |
| 2864 if (p == NULL || *p == NUL) | |
| 2865 return -1; | |
| 2866 buf = alloc((unsigned)(STRLEN(name) + STRLEN(p) + 2)); | |
| 2867 if (buf == NULL) | |
| 2868 return -1; | |
| 2869 | |
| 2870 /* | |
| 2871 * Walk through all entries in $PATH to check if "name" exists there and | |
| 2872 * is an executable file. | |
| 2873 */ | |
| 2874 for (;;) | |
| 2875 { | |
| 2876 e = (char_u *)strchr((char *)p, ':'); | |
| 2877 if (e == NULL) | |
| 2878 e = p + STRLEN(p); | |
| 2879 if (e - p <= 1) /* empty entry means current dir */ | |
| 2880 STRCPY(buf, "./"); | |
| 2881 else | |
| 2882 { | |
| 418 | 2883 vim_strncpy(buf, p, e - p); |
| 7 | 2884 add_pathsep(buf); |
| 2885 } | |
| 2886 STRCAT(buf, name); | |
| 2887 retval = executable_file(buf); | |
| 2888 if (retval == 1) | |
| 2889 break; | |
| 2890 | |
| 2891 if (*e != ':') | |
| 2892 break; | |
| 2893 p = e + 1; | |
| 2894 } | |
| 2895 | |
| 2896 vim_free(buf); | |
| 2897 return retval; | |
| 2898 } | |
| 2899 | |
| 2900 /* | |
| 2901 * Check what "name" is: | |
| 2902 * NODE_NORMAL: file or directory (or doesn't exist) | |
| 2903 * NODE_WRITABLE: writable device, socket, fifo, etc. | |
| 2904 * NODE_OTHER: non-writable things | |
| 2905 */ | |
| 2906 int | |
| 2907 mch_nodetype(name) | |
| 2908 char_u *name; | |
| 2909 { | |
| 2910 struct stat st; | |
| 2911 | |
| 2912 if (stat((char *)name, &st)) | |
| 2913 return NODE_NORMAL; | |
| 2914 if (S_ISREG(st.st_mode) || S_ISDIR(st.st_mode)) | |
| 2915 return NODE_NORMAL; | |
| 2916 #ifndef OS2 | |
| 2917 if (S_ISBLK(st.st_mode)) /* block device isn't writable */ | |
| 2918 return NODE_OTHER; | |
| 2919 #endif | |
| 2920 /* Everything else is writable? */ | |
| 2921 return NODE_WRITABLE; | |
| 2922 } | |
| 2923 | |
| 2924 void | |
| 2925 mch_early_init() | |
| 2926 { | |
| 2927 #ifdef HAVE_CHECK_STACK_GROWTH | |
| 2928 int i; | |
| 180 | 2929 |
| 7 | 2930 check_stack_growth((char *)&i); |
| 2931 | |
| 180 | 2932 # ifdef HAVE_STACK_LIMIT |
| 7 | 2933 get_stack_limit(); |
| 2934 # endif | |
| 2935 | |
| 2936 #endif | |
| 2937 | |
| 2938 /* | |
| 2939 * Setup an alternative stack for signals. Helps to catch signals when | |
| 2940 * running out of stack space. | |
| 2941 * Use of sigaltstack() is preferred, it's more portable. | |
| 2942 * Ignore any errors. | |
| 2943 */ | |
| 2944 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 1737 | 2945 signal_stack = (char *)alloc(SIGSTKSZ); |
| 7 | 2946 init_signal_stack(); |
| 2947 #endif | |
| 2948 } | |
| 2949 | |
| 355 | 2950 #if defined(EXITFREE) || defined(PROTO) |
| 2951 void | |
| 2952 mch_free_mem() | |
| 2953 { | |
| 359 | 2954 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
| 2955 if (clip_star.owned) | |
| 2956 clip_lose_selection(&clip_star); | |
| 2957 if (clip_plus.owned) | |
| 2958 clip_lose_selection(&clip_plus); | |
| 355 | 2959 # endif |
| 1605 | 2960 # if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) |
| 355 | 2961 if (xterm_Shell != (Widget)0) |
| 2962 XtDestroyWidget(xterm_Shell); | |
| 1605 | 2963 # ifndef LESSTIF_VERSION |
| 2964 /* Lesstif crashes here, lose some memory */ | |
| 355 | 2965 if (xterm_dpy != NULL) |
| 2966 XtCloseDisplay(xterm_dpy); | |
| 2967 if (app_context != (XtAppContext)NULL) | |
| 1605 | 2968 { |
| 355 | 2969 XtDestroyApplicationContext(app_context); |
| 1605 | 2970 # ifdef FEAT_X11 |
| 2971 x11_display = NULL; /* freed by XtDestroyApplicationContext() */ | |
| 2972 # endif | |
| 2973 } | |
| 2974 # endif | |
| 355 | 2975 # endif |
| 1739 | 2976 /* Don't close the display for GTK 1, it is done in exit(). */ |
| 2977 # if defined(FEAT_X11) && (!defined(FEAT_GUI_GTK) || defined(HAVE_GTK2)) | |
| 1605 | 2978 if (x11_display != NULL |
| 2979 # ifdef FEAT_XCLIPBOARD | |
| 2980 && x11_display != xterm_dpy | |
| 2981 # endif | |
| 2982 ) | |
| 359 | 2983 XCloseDisplay(x11_display); |
| 2984 # endif | |
| 2985 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
| 2986 vim_free(signal_stack); | |
| 2987 signal_stack = NULL; | |
| 2988 # endif | |
| 2989 # ifdef FEAT_TITLE | |
| 2990 vim_free(oldtitle); | |
| 2991 vim_free(oldicon); | |
| 2992 # endif | |
| 355 | 2993 } |
| 2994 #endif | |
| 2995 | |
| 7 | 2996 static void exit_scroll __ARGS((void)); |
| 2997 | |
| 2998 /* | |
| 2999 * Output a newline when exiting. | |
| 3000 * Make sure the newline goes to the same stream as the text. | |
| 3001 */ | |
| 3002 static void | |
| 3003 exit_scroll() | |
| 3004 { | |
| 167 | 3005 if (silent_mode) |
| 3006 return; | |
| 7 | 3007 if (newline_on_exit || msg_didout) |
| 3008 { | |
| 3009 if (msg_use_printf()) | |
| 3010 { | |
| 3011 if (info_message) | |
| 3012 mch_msg("\n"); | |
| 3013 else | |
| 3014 mch_errmsg("\r\n"); | |
| 3015 } | |
| 3016 else | |
| 3017 out_char('\n'); | |
| 3018 } | |
| 3019 else | |
| 3020 { | |
| 3021 restore_cterm_colors(); /* get original colors back */ | |
| 3022 msg_clr_eos_force(); /* clear the rest of the display */ | |
| 3023 windgoto((int)Rows - 1, 0); /* may have moved the cursor */ | |
| 3024 } | |
| 3025 } | |
| 3026 | |
| 3027 void | |
| 3028 mch_exit(r) | |
| 3029 int r; | |
| 3030 { | |
| 3031 exiting = TRUE; | |
| 3032 | |
| 3033 #if defined(FEAT_X11) && defined(FEAT_CLIPBOARD) | |
| 3034 x11_export_final_selection(); | |
| 3035 #endif | |
| 3036 | |
| 3037 #ifdef FEAT_GUI | |
| 3038 if (!gui.in_use) | |
| 3039 #endif | |
| 3040 { | |
| 3041 settmode(TMODE_COOK); | |
| 3042 #ifdef FEAT_TITLE | |
| 3043 mch_restore_title(3); /* restore xterm title and icon name */ | |
| 3044 #endif | |
| 3045 /* | |
| 3046 * When t_ti is not empty but it doesn't cause swapping terminal | |
| 3047 * pages, need to output a newline when msg_didout is set. But when | |
| 3048 * t_ti does swap pages it should not go to the shell page. Do this | |
| 3049 * before stoptermcap(). | |
| 3050 */ | |
| 3051 if (swapping_screen() && !newline_on_exit) | |
| 3052 exit_scroll(); | |
| 3053 | |
| 3054 /* Stop termcap: May need to check for T_CRV response, which | |
| 3055 * requires RAW mode. */ | |
| 3056 stoptermcap(); | |
| 3057 | |
| 3058 /* | |
| 3059 * A newline is only required after a message in the alternate screen. | |
| 3060 * This is set to TRUE by wait_return(). | |
| 3061 */ | |
| 3062 if (!swapping_screen() || newline_on_exit) | |
| 3063 exit_scroll(); | |
| 3064 | |
| 3065 /* Cursor may have been switched off without calling starttermcap() | |
| 3066 * when doing "vim -u vimrc" and vimrc contains ":q". */ | |
| 3067 if (full_screen) | |
| 3068 cursor_on(); | |
| 3069 } | |
| 3070 out_flush(); | |
| 3071 ml_close_all(TRUE); /* remove all memfiles */ | |
| 3072 may_core_dump(); | |
| 3073 #ifdef FEAT_GUI | |
| 3074 if (gui.in_use) | |
| 3075 gui_exit(r); | |
| 3076 #endif | |
| 167 | 3077 |
| 765 | 3078 #ifdef MACOS_CONVERT |
| 167 | 3079 mac_conv_cleanup(); |
| 3080 #endif | |
| 3081 | |
| 7 | 3082 #ifdef __QNX__ |
| 3083 /* A core dump won't be created if the signal handler | |
| 3084 * doesn't return, so we can't call exit() */ | |
| 3085 if (deadly_signal != 0) | |
| 3086 return; | |
| 3087 #endif | |
| 3088 | |
| 33 | 3089 #ifdef FEAT_NETBEANS_INTG |
| 3090 if (usingNetbeans) | |
| 3091 netbeans_send_disconnect(); | |
| 3092 #endif | |
| 355 | 3093 |
| 3094 #ifdef EXITFREE | |
| 3095 free_all_mem(); | |
| 3096 #endif | |
| 3097 | |
| 7 | 3098 exit(r); |
| 3099 } | |
| 3100 | |
| 3101 static void | |
| 3102 may_core_dump() | |
| 3103 { | |
| 3104 if (deadly_signal != 0) | |
| 3105 { | |
| 3106 signal(deadly_signal, SIG_DFL); | |
| 3107 kill(getpid(), deadly_signal); /* Die using the signal we caught */ | |
| 3108 } | |
| 3109 } | |
| 3110 | |
| 3111 #ifndef VMS | |
| 3112 | |
| 3113 void | |
| 3114 mch_settmode(tmode) | |
| 3115 int tmode; | |
| 3116 { | |
| 3117 static int first = TRUE; | |
| 3118 | |
| 3119 /* Why is NeXT excluded here (and not in os_unixx.h)? */ | |
| 3120 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__) | |
| 3121 /* | |
| 3122 * for "new" tty systems | |
| 3123 */ | |
| 3124 # ifdef HAVE_TERMIOS_H | |
| 3125 static struct termios told; | |
| 3126 struct termios tnew; | |
| 3127 # else | |
| 3128 static struct termio told; | |
| 3129 struct termio tnew; | |
| 3130 # endif | |
| 3131 | |
| 3132 if (first) | |
| 3133 { | |
| 3134 first = FALSE; | |
| 3135 # if defined(HAVE_TERMIOS_H) | |
| 3136 tcgetattr(read_cmd_fd, &told); | |
| 3137 # else | |
| 3138 ioctl(read_cmd_fd, TCGETA, &told); | |
| 3139 # endif | |
| 3140 } | |
| 3141 | |
| 3142 tnew = told; | |
| 3143 if (tmode == TMODE_RAW) | |
| 3144 { | |
| 3145 /* | |
| 3146 * ~ICRNL enables typing ^V^M | |
| 3147 */ | |
| 3148 tnew.c_iflag &= ~ICRNL; | |
| 3149 tnew.c_lflag &= ~(ICANON | ECHO | ISIG | ECHOE | |
| 3150 # if defined(IEXTEN) && !defined(__MINT__) | |
| 3151 | IEXTEN /* IEXTEN enables typing ^V on SOLARIS */ | |
| 3152 /* but it breaks function keys on MINT */ | |
| 3153 # endif | |
| 3154 ); | |
| 3155 # ifdef ONLCR /* don't map NL -> CR NL, we do it ourselves */ | |
| 3156 tnew.c_oflag &= ~ONLCR; | |
| 3157 # endif | |
| 3158 tnew.c_cc[VMIN] = 1; /* return after 1 char */ | |
| 3159 tnew.c_cc[VTIME] = 0; /* don't wait */ | |
| 3160 } | |
| 3161 else if (tmode == TMODE_SLEEP) | |
| 3162 tnew.c_lflag &= ~(ECHO); | |
| 3163 | |
| 3164 # if defined(HAVE_TERMIOS_H) | |
| 3165 { | |
| 3166 int n = 10; | |
| 3167 | |
| 3168 /* A signal may cause tcsetattr() to fail (e.g., SIGCONT). Retry a | |
| 3169 * few times. */ | |
| 3170 while (tcsetattr(read_cmd_fd, TCSANOW, &tnew) == -1 | |
| 3171 && errno == EINTR && n > 0) | |
| 3172 --n; | |
| 3173 } | |
| 3174 # else | |
| 3175 ioctl(read_cmd_fd, TCSETA, &tnew); | |
| 3176 # endif | |
| 3177 | |
| 3178 #else | |
| 3179 | |
| 3180 /* | |
| 3181 * for "old" tty systems | |
| 3182 */ | |
| 3183 # ifndef TIOCSETN | |
| 3184 # define TIOCSETN TIOCSETP /* for hpux 9.0 */ | |
| 3185 # endif | |
| 3186 static struct sgttyb ttybold; | |
| 3187 struct sgttyb ttybnew; | |
| 3188 | |
| 3189 if (first) | |
| 3190 { | |
| 3191 first = FALSE; | |
| 3192 ioctl(read_cmd_fd, TIOCGETP, &ttybold); | |
| 3193 } | |
| 3194 | |
| 3195 ttybnew = ttybold; | |
| 3196 if (tmode == TMODE_RAW) | |
| 3197 { | |
| 3198 ttybnew.sg_flags &= ~(CRMOD | ECHO); | |
| 3199 ttybnew.sg_flags |= RAW; | |
| 3200 } | |
| 3201 else if (tmode == TMODE_SLEEP) | |
| 3202 ttybnew.sg_flags &= ~(ECHO); | |
| 3203 ioctl(read_cmd_fd, TIOCSETN, &ttybnew); | |
| 3204 #endif | |
| 3205 curr_tmode = tmode; | |
| 3206 } | |
| 3207 | |
| 3208 /* | |
| 3209 * Try to get the code for "t_kb" from the stty setting | |
| 3210 * | |
| 3211 * Even if termcap claims a backspace key, the user's setting *should* | |
| 3212 * prevail. stty knows more about reality than termcap does, and if | |
| 3213 * somebody's usual erase key is DEL (which, for most BSD users, it will | |
| 3214 * be), they're going to get really annoyed if their erase key starts | |
| 3215 * doing forward deletes for no reason. (Eric Fischer) | |
| 3216 */ | |
| 3217 void | |
| 3218 get_stty() | |
| 3219 { | |
| 3220 char_u buf[2]; | |
| 3221 char_u *p; | |
| 3222 | |
| 3223 /* Why is NeXT excluded here (and not in os_unixx.h)? */ | |
| 3224 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__) | |
| 3225 /* for "new" tty systems */ | |
| 3226 # ifdef HAVE_TERMIOS_H | |
| 3227 struct termios keys; | |
| 3228 # else | |
| 3229 struct termio keys; | |
| 3230 # endif | |
| 3231 | |
| 3232 # if defined(HAVE_TERMIOS_H) | |
| 3233 if (tcgetattr(read_cmd_fd, &keys) != -1) | |
| 3234 # else | |
| 3235 if (ioctl(read_cmd_fd, TCGETA, &keys) != -1) | |
| 3236 # endif | |
| 3237 { | |
| 3238 buf[0] = keys.c_cc[VERASE]; | |
| 3239 intr_char = keys.c_cc[VINTR]; | |
| 3240 #else | |
| 3241 /* for "old" tty systems */ | |
| 3242 struct sgttyb keys; | |
| 3243 | |
| 3244 if (ioctl(read_cmd_fd, TIOCGETP, &keys) != -1) | |
| 3245 { | |
| 3246 buf[0] = keys.sg_erase; | |
| 3247 intr_char = keys.sg_kill; | |
| 3248 #endif | |
| 3249 buf[1] = NUL; | |
| 3250 add_termcode((char_u *)"kb", buf, FALSE); | |
| 3251 | |
| 3252 /* | |
| 3253 * If <BS> and <DEL> are now the same, redefine <DEL>. | |
| 3254 */ | |
| 3255 p = find_termcode((char_u *)"kD"); | |
| 3256 if (p != NULL && p[0] == buf[0] && p[1] == buf[1]) | |
| 3257 do_fixdel(NULL); | |
| 3258 } | |
| 3259 #if 0 | |
| 3260 } /* to keep cindent happy */ | |
| 3261 #endif | |
| 3262 } | |
| 3263 | |
| 3264 #endif /* VMS */ | |
| 3265 | |
| 3266 #if defined(FEAT_MOUSE_TTY) || defined(PROTO) | |
| 3267 /* | |
| 3268 * Set mouse clicks on or off. | |
| 3269 */ | |
| 3270 void | |
| 3271 mch_setmouse(on) | |
| 3272 int on; | |
| 3273 { | |
| 3274 static int ison = FALSE; | |
| 3275 int xterm_mouse_vers; | |
| 3276 | |
| 3277 if (on == ison) /* return quickly if nothing to do */ | |
| 3278 return; | |
| 3279 | |
| 3280 xterm_mouse_vers = use_xterm_mouse(); | |
| 3281 if (xterm_mouse_vers > 0) | |
| 3282 { | |
| 3283 if (on) /* enable mouse events, use mouse tracking if available */ | |
| 3284 out_str_nf((char_u *) | |
| 3285 (xterm_mouse_vers > 1 | |
| 3286 ? IF_EB("\033[?1002h", ESC_STR "[?1002h") | |
| 3287 : IF_EB("\033[?1000h", ESC_STR "[?1000h"))); | |
| 3288 else /* disable mouse events, could probably always send the same */ | |
| 3289 out_str_nf((char_u *) | |
| 3290 (xterm_mouse_vers > 1 | |
| 3291 ? IF_EB("\033[?1002l", ESC_STR "[?1002l") | |
| 3292 : IF_EB("\033[?1000l", ESC_STR "[?1000l"))); | |
| 3293 ison = on; | |
| 3294 } | |
| 3295 | |
| 3296 # ifdef FEAT_MOUSE_DEC | |
| 3297 else if (ttym_flags == TTYM_DEC) | |
| 3298 { | |
| 3299 if (on) /* enable mouse events */ | |
| 3300 out_str_nf((char_u *)"\033[1;2'z\033[1;3'{"); | |
| 3301 else /* disable mouse events */ | |
| 3302 out_str_nf((char_u *)"\033['z"); | |
| 3303 ison = on; | |
| 3304 } | |
| 3305 # endif | |
| 3306 | |
| 3307 # ifdef FEAT_MOUSE_GPM | |
| 3308 else | |
| 3309 { | |
| 3310 if (on) | |
| 3311 { | |
| 3312 if (gpm_open()) | |
| 3313 ison = TRUE; | |
| 3314 } | |
| 3315 else | |
| 3316 { | |
| 3317 gpm_close(); | |
| 3318 ison = FALSE; | |
| 3319 } | |
| 3320 } | |
| 3321 # endif | |
| 3322 | |
| 1620 | 3323 # ifdef FEAT_SYSMOUSE |
| 3324 else | |
| 3325 { | |
| 3326 if (on) | |
| 3327 { | |
| 3328 if (sysmouse_open() == OK) | |
| 3329 ison = TRUE; | |
| 3330 } | |
| 3331 else | |
| 3332 { | |
| 3333 sysmouse_close(); | |
| 3334 ison = FALSE; | |
| 3335 } | |
| 3336 } | |
| 3337 # endif | |
| 3338 | |
| 7 | 3339 # ifdef FEAT_MOUSE_JSB |
| 3340 else | |
| 3341 { | |
| 3342 if (on) | |
| 3343 { | |
| 3344 /* D - Enable Mouse up/down messages | |
| 3345 * L - Enable Left Button Reporting | |
| 3346 * M - Enable Middle Button Reporting | |
| 3347 * R - Enable Right Button Reporting | |
| 3348 * K - Enable SHIFT and CTRL key Reporting | |
| 3349 * + - Enable Advanced messaging of mouse moves and up/down messages | |
| 3350 * Q - Quiet No Ack | |
| 3351 * # - Numeric value of mouse pointer required | |
| 3352 * 0 = Multiview 2000 cursor, used as standard | |
| 3353 * 1 = Windows Arrow | |
| 3354 * 2 = Windows I Beam | |
| 3355 * 3 = Windows Hour Glass | |
| 3356 * 4 = Windows Cross Hair | |
| 3357 * 5 = Windows UP Arrow | |
| 3358 */ | |
| 3359 #ifdef JSBTERM_MOUSE_NONADVANCED /* Disables full feedback of pointer movements */ | |
| 3360 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK1Q\033\\", | |
| 3361 ESC_STR "[0~ZwLMRK1Q" ESC_STR "\\")); | |
| 3362 #else | |
| 3363 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK+1Q\033\\", | |
| 3364 ESC_STR "[0~ZwLMRK+1Q" ESC_STR "\\")); | |
| 3365 #endif | |
| 3366 ison = TRUE; | |
| 3367 } | |
| 3368 else | |
| 3369 { | |
| 3370 out_str_nf((char_u *)IF_EB("\033[0~ZwQ\033\\", | |
| 3371 ESC_STR "[0~ZwQ" ESC_STR "\\")); | |
| 3372 ison = FALSE; | |
| 3373 } | |
| 3374 } | |
| 3375 # endif | |
| 3376 # ifdef FEAT_MOUSE_PTERM | |
| 3377 else | |
| 3378 { | |
| 3379 /* 1 = button press, 6 = release, 7 = drag, 1h...9l = right button */ | |
| 3380 if (on) | |
| 3381 out_str_nf("\033[>1h\033[>6h\033[>7h\033[>1h\033[>9l"); | |
| 3382 else | |
| 3383 out_str_nf("\033[>1l\033[>6l\033[>7l\033[>1l\033[>9h"); | |
| 3384 ison = on; | |
| 3385 } | |
| 3386 # endif | |
| 3387 } | |
| 3388 | |
| 3389 /* | |
| 3390 * Set the mouse termcode, depending on the 'term' and 'ttymouse' options. | |
| 3391 */ | |
| 3392 void | |
| 3393 check_mouse_termcode() | |
| 3394 { | |
| 3395 # ifdef FEAT_MOUSE_XTERM | |
| 3396 if (use_xterm_mouse() | |
| 3397 # ifdef FEAT_GUI | |
| 3398 && !gui.in_use | |
| 3399 # endif | |
| 3400 ) | |
| 3401 { | |
| 3402 set_mouse_termcode(KS_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
| 180 | 3403 ? IF_EB("\233M", CSI_STR "M") |
| 3404 : IF_EB("\033[M", ESC_STR "[M"))); | |
| 7 | 3405 if (*p_mouse != NUL) |
| 3406 { | |
| 3407 /* force mouse off and maybe on to send possibly new mouse | |
| 3408 * activation sequence to the xterm, with(out) drag tracing. */ | |
| 3409 mch_setmouse(FALSE); | |
| 3410 setmouse(); | |
| 3411 } | |
| 3412 } | |
| 3413 else | |
| 3414 del_mouse_termcode(KS_MOUSE); | |
| 3415 # endif | |
| 3416 | |
| 3417 # ifdef FEAT_MOUSE_GPM | |
| 3418 if (!use_xterm_mouse() | |
| 3419 # ifdef FEAT_GUI | |
| 3420 && !gui.in_use | |
| 3421 # endif | |
| 3422 ) | |
| 3423 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MG", ESC_STR "MG")); | |
| 3424 # endif | |
| 3425 | |
| 1620 | 3426 # ifdef FEAT_SYSMOUSE |
| 3427 if (!use_xterm_mouse() | |
| 3428 # ifdef FEAT_GUI | |
| 3429 && !gui.in_use | |
| 3430 # endif | |
| 3431 ) | |
| 3432 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MS", ESC_STR "MS")); | |
| 3433 # endif | |
| 3434 | |
| 7 | 3435 # ifdef FEAT_MOUSE_JSB |
| 3436 /* conflicts with xterm mouse: "\033[" and "\033[M" ??? */ | |
| 3437 if (!use_xterm_mouse() | |
| 3438 # ifdef FEAT_GUI | |
| 3439 && !gui.in_use | |
| 3440 # endif | |
| 3441 ) | |
| 3442 set_mouse_termcode(KS_JSBTERM_MOUSE, | |
| 3443 (char_u *)IF_EB("\033[0~zw", ESC_STR "[0~zw")); | |
| 3444 else | |
| 3445 del_mouse_termcode(KS_JSBTERM_MOUSE); | |
| 3446 # endif | |
| 3447 | |
| 3448 # ifdef FEAT_MOUSE_NET | |
| 180 | 3449 /* There is no conflict, but one may type "ESC }" from Insert mode. Don't |
| 7 | 3450 * define it in the GUI or when using an xterm. */ |
| 3451 if (!use_xterm_mouse() | |
| 3452 # ifdef FEAT_GUI | |
| 3453 && !gui.in_use | |
| 3454 # endif | |
| 3455 ) | |
| 3456 set_mouse_termcode(KS_NETTERM_MOUSE, | |
| 3457 (char_u *)IF_EB("\033}", ESC_STR "}")); | |
| 3458 else | |
| 3459 del_mouse_termcode(KS_NETTERM_MOUSE); | |
| 3460 # endif | |
| 3461 | |
| 3462 # ifdef FEAT_MOUSE_DEC | |
| 3463 /* conflicts with xterm mouse: "\033[" and "\033[M" */ | |
| 3464 if (!use_xterm_mouse() | |
| 3465 # ifdef FEAT_GUI | |
| 3466 && !gui.in_use | |
| 3467 # endif | |
| 3468 ) | |
| 180 | 3469 set_mouse_termcode(KS_DEC_MOUSE, (char_u *)(term_is_8bit(T_NAME) |
| 3470 ? IF_EB("\233", CSI_STR) : IF_EB("\033[", ESC_STR "["))); | |
| 7 | 3471 else |
| 3472 del_mouse_termcode(KS_DEC_MOUSE); | |
| 3473 # endif | |
| 3474 # ifdef FEAT_MOUSE_PTERM | |
| 3475 /* same as the dec mouse */ | |
| 3476 if (!use_xterm_mouse() | |
| 3477 # ifdef FEAT_GUI | |
| 3478 && !gui.in_use | |
| 3479 # endif | |
| 3480 ) | |
| 3481 set_mouse_termcode(KS_PTERM_MOUSE, | |
| 3482 (char_u *) IF_EB("\033[", ESC_STR "[")); | |
| 3483 else | |
| 3484 del_mouse_termcode(KS_PTERM_MOUSE); | |
| 3485 # endif | |
| 3486 } | |
| 3487 #endif | |
| 3488 | |
| 3489 /* | |
| 3490 * set screen mode, always fails. | |
| 3491 */ | |
| 3492 int | |
| 3493 mch_screenmode(arg) | |
| 1877 | 3494 char_u *arg UNUSED; |
| 7 | 3495 { |
| 3496 EMSG(_(e_screenmode)); | |
| 3497 return FAIL; | |
| 3498 } | |
| 3499 | |
| 3500 #ifndef VMS | |
| 3501 | |
| 3502 /* | |
| 3503 * Try to get the current window size: | |
| 3504 * 1. with an ioctl(), most accurate method | |
| 3505 * 2. from the environment variables LINES and COLUMNS | |
| 3506 * 3. from the termcap | |
| 3507 * 4. keep using the old values | |
| 3508 * Return OK when size could be determined, FAIL otherwise. | |
| 3509 */ | |
| 3510 int | |
| 3511 mch_get_shellsize() | |
| 3512 { | |
| 3513 long rows = 0; | |
| 3514 long columns = 0; | |
| 3515 char_u *p; | |
| 3516 | |
| 3517 /* | |
| 3518 * For OS/2 use _scrsize(). | |
| 3519 */ | |
| 3520 # ifdef __EMX__ | |
| 3521 { | |
| 3522 int s[2]; | |
| 3523 | |
| 3524 _scrsize(s); | |
| 3525 columns = s[0]; | |
| 3526 rows = s[1]; | |
| 3527 } | |
| 3528 # endif | |
| 3529 | |
| 3530 /* | |
| 3531 * 1. try using an ioctl. It is the most accurate method. | |
| 3532 * | |
| 3533 * Try using TIOCGWINSZ first, some systems that have it also define | |
| 3534 * TIOCGSIZE but don't have a struct ttysize. | |
| 3535 */ | |
| 3536 # ifdef TIOCGWINSZ | |
| 3537 { | |
| 3538 struct winsize ws; | |
| 3539 int fd = 1; | |
| 3540 | |
| 3541 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
| 3542 if (!isatty(fd) && isatty(read_cmd_fd)) | |
| 3543 fd = read_cmd_fd; | |
| 3544 if (ioctl(fd, TIOCGWINSZ, &ws) == 0) | |
| 3545 { | |
| 3546 columns = ws.ws_col; | |
| 3547 rows = ws.ws_row; | |
| 3548 } | |
| 3549 } | |
| 3550 # else /* TIOCGWINSZ */ | |
| 3551 # ifdef TIOCGSIZE | |
| 3552 { | |
| 3553 struct ttysize ts; | |
| 3554 int fd = 1; | |
| 3555 | |
| 3556 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
| 3557 if (!isatty(fd) && isatty(read_cmd_fd)) | |
| 3558 fd = read_cmd_fd; | |
| 3559 if (ioctl(fd, TIOCGSIZE, &ts) == 0) | |
| 3560 { | |
| 3561 columns = ts.ts_cols; | |
| 3562 rows = ts.ts_lines; | |
| 3563 } | |
| 3564 } | |
| 3565 # endif /* TIOCGSIZE */ | |
| 3566 # endif /* TIOCGWINSZ */ | |
| 3567 | |
| 3568 /* | |
| 3569 * 2. get size from environment | |
| 164 | 3570 * When being POSIX compliant ('|' flag in 'cpoptions') this overrules |
| 3571 * the ioctl() values! | |
| 7 | 3572 */ |
| 164 | 3573 if (columns == 0 || rows == 0 || vim_strchr(p_cpo, CPO_TSIZE) != NULL) |
| 7 | 3574 { |
| 3575 if ((p = (char_u *)getenv("LINES"))) | |
| 3576 rows = atoi((char *)p); | |
| 3577 if ((p = (char_u *)getenv("COLUMNS"))) | |
| 3578 columns = atoi((char *)p); | |
| 3579 } | |
| 3580 | |
| 3581 #ifdef HAVE_TGETENT | |
| 3582 /* | |
| 3583 * 3. try reading "co" and "li" entries from termcap | |
| 3584 */ | |
| 3585 if (columns == 0 || rows == 0) | |
| 3586 getlinecol(&columns, &rows); | |
| 3587 #endif | |
| 3588 | |
| 3589 /* | |
| 3590 * 4. If everything fails, use the old values | |
| 3591 */ | |
| 3592 if (columns <= 0 || rows <= 0) | |
| 3593 return FAIL; | |
| 3594 | |
| 3595 Rows = rows; | |
| 3596 Columns = columns; | |
| 3597 return OK; | |
| 3598 } | |
| 3599 | |
| 3600 /* | |
| 3601 * Try to set the window size to Rows and Columns. | |
| 3602 */ | |
| 3603 void | |
| 3604 mch_set_shellsize() | |
| 3605 { | |
| 3606 if (*T_CWS) | |
| 3607 { | |
| 3608 /* | |
| 3609 * NOTE: if you get an error here that term_set_winsize() is | |
| 3610 * undefined, check the output of configure. It could probably not | |
| 3611 * find a ncurses, termcap or termlib library. | |
| 3612 */ | |
| 3613 term_set_winsize((int)Rows, (int)Columns); | |
| 3614 out_flush(); | |
| 3615 screen_start(); /* don't know where cursor is now */ | |
| 3616 } | |
| 3617 } | |
| 3618 | |
| 3619 #endif /* VMS */ | |
| 3620 | |
| 3621 /* | |
| 3622 * Rows and/or Columns has changed. | |
| 3623 */ | |
| 3624 void | |
| 3625 mch_new_shellsize() | |
| 3626 { | |
| 3627 /* Nothing to do. */ | |
| 3628 } | |
| 3629 | |
| 167 | 3630 #ifndef USE_SYSTEM |
| 3631 static void append_ga_line __ARGS((garray_T *gap)); | |
| 3632 | |
| 3633 /* | |
| 3634 * Append the text in "gap" below the cursor line and clear "gap". | |
| 3635 */ | |
| 3636 static void | |
| 3637 append_ga_line(gap) | |
| 3638 garray_T *gap; | |
| 3639 { | |
| 3640 /* Remove trailing CR. */ | |
| 3641 if (gap->ga_len > 0 | |
| 3642 && !curbuf->b_p_bin | |
| 3643 && ((char_u *)gap->ga_data)[gap->ga_len - 1] == CAR) | |
| 3644 --gap->ga_len; | |
| 3645 ga_append(gap, NUL); | |
| 3646 ml_append(curwin->w_cursor.lnum++, gap->ga_data, 0, FALSE); | |
| 3647 gap->ga_len = 0; | |
| 3648 } | |
| 3649 #endif | |
| 3650 | |
| 7 | 3651 int |
| 3652 mch_call_shell(cmd, options) | |
| 3653 char_u *cmd; | |
| 3654 int options; /* SHELL_*, see vim.h */ | |
| 3655 { | |
| 3656 #ifdef VMS | |
| 3657 char *ifn = NULL; | |
| 3658 char *ofn = NULL; | |
| 3659 #endif | |
| 3660 int tmode = cur_tmode; | |
| 3661 #ifdef USE_SYSTEM /* use system() to start the shell: simple but slow */ | |
| 3662 int x; | |
| 3663 # ifndef __EMX__ | |
| 3664 char_u *newcmd; /* only needed for unix */ | |
| 3665 # else | |
| 3666 /* | |
| 3667 * Set the preferred shell in the EMXSHELL environment variable (but | |
| 3668 * only if it is different from what is already in the environment). | |
| 3669 * Emx then takes care of whether to use "/c" or "-c" in an | |
| 3670 * intelligent way. Simply pass the whole thing to emx's system() call. | |
| 3671 * Emx also starts an interactive shell if system() is passed an empty | |
| 3672 * string. | |
| 3673 */ | |
| 3674 char_u *p, *old; | |
| 3675 | |
| 3676 if (((old = (char_u *)getenv("EMXSHELL")) == NULL) || STRCMP(old, p_sh)) | |
| 3677 { | |
| 3678 /* should check HAVE_SETENV, but I know we don't have it. */ | |
| 3679 p = alloc(10 + strlen(p_sh)); | |
| 3680 if (p) | |
| 3681 { | |
| 3682 sprintf((char *)p, "EMXSHELL=%s", p_sh); | |
| 3683 putenv((char *)p); /* don't free the pointer! */ | |
| 3684 } | |
| 3685 } | |
| 3686 # endif | |
| 3687 | |
| 3688 out_flush(); | |
| 3689 | |
| 3690 if (options & SHELL_COOKED) | |
| 3691 settmode(TMODE_COOK); /* set to normal mode */ | |
| 3692 | |
| 3693 # ifdef __EMX__ | |
| 3694 if (cmd == NULL) | |
| 3695 x = system(""); /* this starts an interactive shell in emx */ | |
| 3696 else | |
| 3697 x = system((char *)cmd); | |
| 3698 /* system() returns -1 when error occurs in starting shell */ | |
| 3699 if (x == -1 && !emsg_silent) | |
| 3700 { | |
| 3701 MSG_PUTS(_("\nCannot execute shell ")); | |
| 3702 msg_outtrans(p_sh); | |
| 3703 msg_putchar('\n'); | |
| 3704 } | |
| 3705 # else /* not __EMX__ */ | |
| 3706 if (cmd == NULL) | |
| 3707 x = system((char *)p_sh); | |
| 3708 else | |
| 3709 { | |
| 3710 # ifdef VMS | |
| 3711 if (ofn = strchr((char *)cmd, '>')) | |
| 3712 *ofn++ = '\0'; | |
| 3713 if (ifn = strchr((char *)cmd, '<')) | |
| 3714 { | |
| 3715 char *p; | |
| 3716 | |
| 3717 *ifn++ = '\0'; | |
| 3718 p = strchr(ifn,' '); /* chop off any trailing spaces */ | |
| 3719 if (p) | |
| 3720 *p = '\0'; | |
| 3721 } | |
| 3722 if (ofn) | |
| 3723 x = vms_sys((char *)cmd, ofn, ifn); | |
| 3724 else | |
| 3725 x = system((char *)cmd); | |
| 3726 # else | |
| 3727 newcmd = lalloc(STRLEN(p_sh) | |
| 3728 + (extra_shell_arg == NULL ? 0 : STRLEN(extra_shell_arg)) | |
| 3729 + STRLEN(p_shcf) + STRLEN(cmd) + 4, TRUE); | |
| 3730 if (newcmd == NULL) | |
| 3731 x = 0; | |
| 3732 else | |
| 3733 { | |
| 3734 sprintf((char *)newcmd, "%s %s %s %s", p_sh, | |
| 3735 extra_shell_arg == NULL ? "" : (char *)extra_shell_arg, | |
| 3736 (char *)p_shcf, | |
| 3737 (char *)cmd); | |
| 3738 x = system((char *)newcmd); | |
| 3739 vim_free(newcmd); | |
| 3740 } | |
| 3741 # endif | |
| 3742 } | |
| 3743 # ifdef VMS | |
| 3744 x = vms_sys_status(x); | |
| 3745 # endif | |
| 3746 if (emsg_silent) | |
| 3747 ; | |
| 3748 else if (x == 127) | |
| 3749 MSG_PUTS(_("\nCannot execute shell sh\n")); | |
| 3750 # endif /* __EMX__ */ | |
| 3751 else if (x && !(options & SHELL_SILENT)) | |
| 3752 { | |
| 3753 MSG_PUTS(_("\nshell returned ")); | |
| 3754 msg_outnum((long)x); | |
| 3755 msg_putchar('\n'); | |
| 3756 } | |
| 3757 | |
| 3758 if (tmode == TMODE_RAW) | |
| 3759 settmode(TMODE_RAW); /* set to raw mode */ | |
| 3760 # ifdef FEAT_TITLE | |
| 3761 resettitle(); | |
| 3762 # endif | |
| 3763 return x; | |
| 3764 | |
| 3765 #else /* USE_SYSTEM */ /* don't use system(), use fork()/exec() */ | |
| 3766 | |
| 167 | 3767 # define EXEC_FAILED 122 /* Exit code when shell didn't execute. Don't use |
| 3768 127, some shells use that already */ | |
| 7 | 3769 |
| 3770 char_u *newcmd = NULL; | |
| 3771 pid_t pid; | |
| 167 | 3772 pid_t wpid = 0; |
| 7 | 3773 pid_t wait_pid = 0; |
| 3774 # ifdef HAVE_UNION_WAIT | |
| 3775 union wait status; | |
| 3776 # else | |
| 3777 int status = -1; | |
| 3778 # endif | |
| 3779 int retval = -1; | |
| 3780 char **argv = NULL; | |
| 3781 int argc; | |
| 3782 int i; | |
| 3783 char_u *p; | |
| 3784 int inquote; | |
| 167 | 3785 int pty_master_fd = -1; /* for pty's */ |
| 7 | 3786 # ifdef FEAT_GUI |
| 3787 int pty_slave_fd = -1; | |
| 3788 char *tty_name; | |
| 167 | 3789 # endif |
| 602 | 3790 int fd_toshell[2]; /* for pipes */ |
| 7 | 3791 int fd_fromshell[2]; |
| 3792 int pipe_error = FALSE; | |
| 167 | 3793 # ifdef HAVE_SETENV |
| 7 | 3794 char envbuf[50]; |
| 167 | 3795 # else |
| 7 | 3796 static char envbuf_Rows[20]; |
| 3797 static char envbuf_Columns[20]; | |
| 3798 # endif | |
| 602 | 3799 int did_settmode = FALSE; /* settmode(TMODE_RAW) called */ |
| 7 | 3800 |
| 3801 out_flush(); | |
| 3802 if (options & SHELL_COOKED) | |
| 3803 settmode(TMODE_COOK); /* set to normal mode */ | |
| 3804 | |
| 3805 newcmd = vim_strsave(p_sh); | |
| 3806 if (newcmd == NULL) /* out of memory */ | |
| 3807 goto error; | |
| 602 | 3808 |
| 3809 /* | |
| 3810 * Do this loop twice: | |
| 3811 * 1: find number of arguments | |
| 3812 * 2: separate them and build argv[] | |
| 3813 */ | |
| 7 | 3814 for (i = 0; i < 2; ++i) |
| 3815 { | |
| 3816 p = newcmd; | |
| 3817 inquote = FALSE; | |
| 3818 argc = 0; | |
| 3819 for (;;) | |
| 3820 { | |
| 3821 if (i == 1) | |
| 3822 argv[argc] = (char *)p; | |
| 3823 ++argc; | |
| 3824 while (*p && (inquote || (*p != ' ' && *p != TAB))) | |
| 3825 { | |
| 3826 if (*p == '"') | |
| 3827 inquote = !inquote; | |
| 3828 ++p; | |
| 3829 } | |
| 3830 if (*p == NUL) | |
| 3831 break; | |
| 3832 if (i == 1) | |
| 3833 *p++ = NUL; | |
| 3834 p = skipwhite(p); | |
| 3835 } | |
| 840 | 3836 if (argv == NULL) |
| 7 | 3837 { |
| 3838 argv = (char **)alloc((unsigned)((argc + 4) * sizeof(char *))); | |
| 3839 if (argv == NULL) /* out of memory */ | |
| 3840 goto error; | |
| 3841 } | |
| 3842 } | |
| 3843 if (cmd != NULL) | |
| 3844 { | |
| 3845 if (extra_shell_arg != NULL) | |
| 3846 argv[argc++] = (char *)extra_shell_arg; | |
| 3847 argv[argc++] = (char *)p_shcf; | |
| 3848 argv[argc++] = (char *)cmd; | |
| 3849 } | |
| 3850 argv[argc] = NULL; | |
| 3851 | |
| 167 | 3852 /* |
| 3853 * For the GUI, when writing the output into the buffer and when reading | |
| 3854 * input from the buffer: Try using a pseudo-tty to get the stdin/stdout | |
| 3855 * of the executed command into the Vim window. Or use a pipe. | |
| 3856 */ | |
| 3857 if ((options & (SHELL_READ|SHELL_WRITE)) | |
| 7 | 3858 # ifdef FEAT_GUI |
| 167 | 3859 || (gui.in_use && show_shell_mess) |
| 3860 # endif | |
| 3861 ) | |
| 7 | 3862 { |
| 167 | 3863 # ifdef FEAT_GUI |
| 7 | 3864 /* |
| 3865 * Try to open a master pty. | |
| 3866 * If this works, open the slave pty. | |
| 3867 * If the slave can't be opened, close the master pty. | |
| 3868 */ | |
| 167 | 3869 if (p_guipty && !(options & (SHELL_READ|SHELL_WRITE))) |
| 7 | 3870 { |
| 3871 pty_master_fd = OpenPTY(&tty_name); /* open pty */ | |
| 3872 if (pty_master_fd >= 0 && ((pty_slave_fd = | |
| 3873 open(tty_name, O_RDWR | O_EXTRA, 0)) < 0)) | |
| 3874 { | |
| 3875 close(pty_master_fd); | |
| 3876 pty_master_fd = -1; | |
| 3877 } | |
| 3878 } | |
| 3879 /* | |
| 3880 * If not opening a pty or it didn't work, try using pipes. | |
| 3881 */ | |
| 3882 if (pty_master_fd < 0) | |
| 167 | 3883 # endif |
| 7 | 3884 { |
| 3885 pipe_error = (pipe(fd_toshell) < 0); | |
| 3886 if (!pipe_error) /* pipe create OK */ | |
| 3887 { | |
| 3888 pipe_error = (pipe(fd_fromshell) < 0); | |
| 3889 if (pipe_error) /* pipe create failed */ | |
| 3890 { | |
| 3891 close(fd_toshell[0]); | |
| 3892 close(fd_toshell[1]); | |
| 3893 } | |
| 3894 } | |
| 3895 if (pipe_error) | |
| 3896 { | |
| 3897 MSG_PUTS(_("\nCannot create pipes\n")); | |
| 3898 out_flush(); | |
| 3899 } | |
| 3900 } | |
| 3901 } | |
| 3902 | |
| 3903 if (!pipe_error) /* pty or pipe opened or not used */ | |
| 3904 { | |
| 3905 # ifdef __BEOS__ | |
| 3906 beos_cleanup_read_thread(); | |
| 3907 # endif | |
| 602 | 3908 |
| 7 | 3909 if ((pid = fork()) == -1) /* maybe we should use vfork() */ |
| 3910 { | |
| 3911 MSG_PUTS(_("\nCannot fork\n")); | |
| 167 | 3912 if ((options & (SHELL_READ|SHELL_WRITE)) |
| 7 | 3913 # ifdef FEAT_GUI |
| 167 | 3914 || (gui.in_use && show_shell_mess) |
| 3915 # endif | |
| 3916 ) | |
| 7 | 3917 { |
| 167 | 3918 # ifdef FEAT_GUI |
| 7 | 3919 if (pty_master_fd >= 0) /* close the pseudo tty */ |
| 3920 { | |
| 3921 close(pty_master_fd); | |
| 3922 close(pty_slave_fd); | |
| 3923 } | |
| 3924 else /* close the pipes */ | |
| 167 | 3925 # endif |
| 7 | 3926 { |
| 3927 close(fd_toshell[0]); | |
| 3928 close(fd_toshell[1]); | |
| 3929 close(fd_fromshell[0]); | |
| 3930 close(fd_fromshell[1]); | |
| 3931 } | |
| 3932 } | |
| 3933 } | |
| 3934 else if (pid == 0) /* child */ | |
| 3935 { | |
| 3936 reset_signals(); /* handle signals normally */ | |
| 3937 | |
| 3938 if (!show_shell_mess || (options & SHELL_EXPAND)) | |
| 3939 { | |
| 3940 int fd; | |
| 3941 | |
| 3942 /* | |
| 3943 * Don't want to show any message from the shell. Can't just | |
| 3944 * close stdout and stderr though, because some systems will | |
| 3945 * break if you try to write to them after that, so we must | |
| 3946 * use dup() to replace them with something else -- webb | |
| 3947 * Connect stdin to /dev/null too, so ":n `cat`" doesn't hang, | |
| 3948 * waiting for input. | |
| 3949 */ | |
| 3950 fd = open("/dev/null", O_RDWR | O_EXTRA, 0); | |
| 3951 fclose(stdin); | |
| 3952 fclose(stdout); | |
| 3953 fclose(stderr); | |
| 3954 | |
| 3955 /* | |
| 3956 * If any of these open()'s and dup()'s fail, we just continue | |
| 3957 * anyway. It's not fatal, and on most systems it will make | |
| 3958 * no difference at all. On a few it will cause the execvp() | |
| 3959 * to exit with a non-zero status even when the completion | |
| 3960 * could be done, which is nothing too serious. If the open() | |
| 3961 * or dup() failed we'd just do the same thing ourselves | |
| 3962 * anyway -- webb | |
| 3963 */ | |
| 3964 if (fd >= 0) | |
| 3965 { | |
| 1757 | 3966 ignored = dup(fd); /* To replace stdin (fd 0) */ |
| 3967 ignored = dup(fd); /* To replace stdout (fd 1) */ | |
| 3968 ignored = dup(fd); /* To replace stderr (fd 2) */ | |
| 7 | 3969 |
| 3970 /* Don't need this now that we've duplicated it */ | |
| 3971 close(fd); | |
| 3972 } | |
| 3973 } | |
| 167 | 3974 else if ((options & (SHELL_READ|SHELL_WRITE)) |
| 7 | 3975 # ifdef FEAT_GUI |
| 167 | 3976 || gui.in_use |
| 3977 # endif | |
| 3978 ) | |
| 7 | 3979 { |
| 3980 | |
| 167 | 3981 # ifdef HAVE_SETSID |
| 602 | 3982 /* Create our own process group, so that the child and all its |
| 3983 * children can be kill()ed. Don't do this when using pipes, | |
| 1698 | 3984 * because stdin is not a tty, we would lose /dev/tty. */ |
| 602 | 3985 if (p_stmp) |
| 1799 | 3986 { |
| 602 | 3987 (void)setsid(); |
| 1799 | 3988 # if defined(SIGHUP) |
| 3989 /* When doing "!xterm&" and 'shell' is bash: the shell | |
| 3990 * will exit and send SIGHUP to all processes in its | |
| 3991 * group, killing the just started process. Ignore SIGHUP | |
| 3992 * to avoid that. (suggested by Simon Schubert) | |
| 3993 */ | |
| 3994 signal(SIGHUP, SIG_IGN); | |
| 3995 # endif | |
| 3996 } | |
| 167 | 3997 # endif |
| 3998 # ifdef FEAT_GUI | |
| 602 | 3999 if (pty_slave_fd >= 0) |
| 4000 { | |
| 4001 /* push stream discipline modules */ | |
| 4002 if (options & SHELL_COOKED) | |
| 4003 SetupSlavePTY(pty_slave_fd); | |
| 7 | 4004 # ifdef TIOCSCTTY |
| 602 | 4005 /* Try to become controlling tty (probably doesn't work, |
| 4006 * unless run by root) */ | |
| 4007 ioctl(pty_slave_fd, TIOCSCTTY, (char *)NULL); | |
| 7 | 4008 # endif |
| 602 | 4009 } |
| 167 | 4010 # endif |
| 7 | 4011 /* Simulate to have a dumb terminal (for now) */ |
| 167 | 4012 # ifdef HAVE_SETENV |
| 7 | 4013 setenv("TERM", "dumb", 1); |
| 4014 sprintf((char *)envbuf, "%ld", Rows); | |
| 4015 setenv("ROWS", (char *)envbuf, 1); | |
| 4016 sprintf((char *)envbuf, "%ld", Rows); | |
| 4017 setenv("LINES", (char *)envbuf, 1); | |
| 4018 sprintf((char *)envbuf, "%ld", Columns); | |
| 4019 setenv("COLUMNS", (char *)envbuf, 1); | |
| 167 | 4020 # else |
| 7 | 4021 /* |
| 4022 * Putenv does not copy the string, it has to remain valid. | |
| 1698 | 4023 * Use a static array to avoid losing allocated memory. |
| 7 | 4024 */ |
| 4025 putenv("TERM=dumb"); | |
| 4026 sprintf(envbuf_Rows, "ROWS=%ld", Rows); | |
| 4027 putenv(envbuf_Rows); | |
| 4028 sprintf(envbuf_Rows, "LINES=%ld", Rows); | |
| 4029 putenv(envbuf_Rows); | |
| 4030 sprintf(envbuf_Columns, "COLUMNS=%ld", Columns); | |
| 4031 putenv(envbuf_Columns); | |
| 167 | 4032 # endif |
| 4033 | |
| 557 | 4034 /* |
| 4035 * stderr is only redirected when using the GUI, so that a | |
| 4036 * program like gpg can still access the terminal to get a | |
| 4037 * passphrase using stderr. | |
| 4038 */ | |
| 167 | 4039 # ifdef FEAT_GUI |
| 7 | 4040 if (pty_master_fd >= 0) |
| 4041 { | |
| 4042 close(pty_master_fd); /* close master side of pty */ | |
| 4043 | |
| 4044 /* set up stdin/stdout/stderr for the child */ | |
| 4045 close(0); | |
| 1757 | 4046 ignored = dup(pty_slave_fd); |
| 7 | 4047 close(1); |
| 1757 | 4048 ignored = dup(pty_slave_fd); |
| 557 | 4049 if (gui.in_use) |
| 4050 { | |
| 4051 close(2); | |
| 1757 | 4052 ignored = dup(pty_slave_fd); |
| 557 | 4053 } |
| 7 | 4054 |
| 4055 close(pty_slave_fd); /* has been dupped, close it now */ | |
| 4056 } | |
| 4057 else | |
| 167 | 4058 # endif |
| 7 | 4059 { |
| 4060 /* set up stdin for the child */ | |
| 4061 close(fd_toshell[1]); | |
| 4062 close(0); | |
| 1757 | 4063 ignored = dup(fd_toshell[0]); |
| 7 | 4064 close(fd_toshell[0]); |
| 4065 | |
| 4066 /* set up stdout for the child */ | |
| 4067 close(fd_fromshell[0]); | |
| 4068 close(1); | |
| 1757 | 4069 ignored = dup(fd_fromshell[1]); |
| 7 | 4070 close(fd_fromshell[1]); |
| 4071 | |
| 557 | 4072 # ifdef FEAT_GUI |
| 4073 if (gui.in_use) | |
| 4074 { | |
| 4075 /* set up stderr for the child */ | |
| 4076 close(2); | |
| 1757 | 4077 ignored = dup(1); |
| 557 | 4078 } |
| 4079 # endif | |
| 7 | 4080 } |
| 4081 } | |
| 167 | 4082 |
| 7 | 4083 /* |
| 4084 * There is no type cast for the argv, because the type may be | |
| 4085 * different on different machines. This may cause a warning | |
| 4086 * message with strict compilers, don't worry about it. | |
| 4087 * Call _exit() instead of exit() to avoid closing the connection | |
| 4088 * to the X server (esp. with GTK, which uses atexit()). | |
| 4089 */ | |
| 4090 execvp(argv[0], argv); | |
| 4091 _exit(EXEC_FAILED); /* exec failed, return failure code */ | |
| 4092 } | |
| 4093 else /* parent */ | |
| 4094 { | |
| 4095 /* | |
| 4096 * While child is running, ignore terminating signals. | |
| 167 | 4097 * Do catch CTRL-C, so that "got_int" is set. |
| 7 | 4098 */ |
| 4099 catch_signals(SIG_IGN, SIG_ERR); | |
| 167 | 4100 catch_int_signal(); |
| 7 | 4101 |
| 4102 /* | |
| 4103 * For the GUI we redirect stdin, stdout and stderr to our window. | |
| 167 | 4104 * This is also used to pipe stdin/stdout to/from the external |
| 4105 * command. | |
| 7 | 4106 */ |
| 167 | 4107 if ((options & (SHELL_READ|SHELL_WRITE)) |
| 4108 # ifdef FEAT_GUI | |
| 4109 || (gui.in_use && show_shell_mess) | |
| 4110 # endif | |
| 4111 ) | |
| 7 | 4112 { |
| 167 | 4113 # define BUFLEN 100 /* length for buffer, pseudo tty limit is 128 */ |
| 7 | 4114 char_u buffer[BUFLEN + 1]; |
| 167 | 4115 # ifdef FEAT_MBYTE |
| 7 | 4116 int buffer_off = 0; /* valid bytes in buffer[] */ |
| 167 | 4117 # endif |
| 7 | 4118 char_u ta_buf[BUFLEN + 1]; /* TypeAHead */ |
| 4119 int ta_len = 0; /* valid bytes in ta_buf[] */ | |
| 4120 int len; | |
| 4121 int p_more_save; | |
| 4122 int old_State; | |
| 4123 int c; | |
| 4124 int toshell_fd; | |
| 4125 int fromshell_fd; | |
| 167 | 4126 garray_T ga; |
| 4127 int noread_cnt; | |
| 1823 | 4128 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
| 4129 struct timeval start_tv; | |
| 4130 # endif | |
| 167 | 4131 |
| 4132 # ifdef FEAT_GUI | |
| 7 | 4133 if (pty_master_fd >= 0) |
| 4134 { | |
| 4135 close(pty_slave_fd); /* close slave side of pty */ | |
| 4136 fromshell_fd = pty_master_fd; | |
| 4137 toshell_fd = dup(pty_master_fd); | |
| 4138 } | |
| 4139 else | |
| 167 | 4140 # endif |
| 7 | 4141 { |
| 4142 close(fd_toshell[0]); | |
| 4143 close(fd_fromshell[1]); | |
| 4144 toshell_fd = fd_toshell[1]; | |
| 4145 fromshell_fd = fd_fromshell[0]; | |
| 4146 } | |
| 4147 | |
| 4148 /* | |
| 4149 * Write to the child if there are typed characters. | |
| 4150 * Read from the child if there are characters available. | |
| 4151 * Repeat the reading a few times if more characters are | |
| 4152 * available. Need to check for typed keys now and then, but | |
| 4153 * not too often (delays when no chars are available). | |
| 4154 * This loop is quit if no characters can be read from the pty | |
| 4155 * (WaitForChar detected special condition), or there are no | |
| 4156 * characters available and the child has exited. | |
| 4157 * Only check if the child has exited when there is no more | |
| 4158 * output. The child may exit before all the output has | |
| 4159 * been printed. | |
| 4160 * | |
| 4161 * Currently this busy loops! | |
| 4162 * This can probably dead-lock when the write blocks! | |
| 4163 */ | |
| 4164 p_more_save = p_more; | |
| 4165 p_more = FALSE; | |
| 4166 old_State = State; | |
| 4167 State = EXTERNCMD; /* don't redraw at window resize */ | |
| 4168 | |
| 602 | 4169 if ((options & SHELL_WRITE) && toshell_fd >= 0) |
| 167 | 4170 { |
| 4171 /* Fork a process that will write the lines to the | |
| 4172 * external program. */ | |
| 4173 if ((wpid = fork()) == -1) | |
| 4174 { | |
| 4175 MSG_PUTS(_("\nCannot fork\n")); | |
| 4176 } | |
| 4177 else if (wpid == 0) | |
| 4178 { | |
| 4179 linenr_T lnum = curbuf->b_op_start.lnum; | |
| 4180 int written = 0; | |
| 944 | 4181 char_u *lp = ml_get(lnum); |
| 167 | 4182 char_u *s; |
| 4183 size_t l; | |
| 4184 | |
| 4185 /* child */ | |
| 177 | 4186 close(fromshell_fd); |
| 167 | 4187 for (;;) |
| 4188 { | |
| 944 | 4189 l = STRLEN(lp + written); |
| 167 | 4190 if (l == 0) |
| 4191 len = 0; | |
| 944 | 4192 else if (lp[written] == NL) |
| 167 | 4193 /* NL -> NUL translation */ |
| 4194 len = write(toshell_fd, "", (size_t)1); | |
| 4195 else | |
| 4196 { | |
| 944 | 4197 s = vim_strchr(lp + written, NL); |
| 4198 len = write(toshell_fd, (char *)lp + written, | |
| 1877 | 4199 s == NULL ? l |
| 4200 : (size_t)(s - (lp + written))); | |
| 167 | 4201 } |
| 1877 | 4202 if (len == (int)l) |
| 167 | 4203 { |
| 4204 /* Finished a line, add a NL, unless this line | |
| 4205 * should not have one. */ | |
| 4206 if (lnum != curbuf->b_op_end.lnum | |
| 4207 || !curbuf->b_p_bin | |
| 4208 || (lnum != write_no_eol_lnum | |
| 4209 && (lnum != | |
| 4210 curbuf->b_ml.ml_line_count | |
| 4211 || curbuf->b_p_eol))) | |
| 1757 | 4212 ignored = write(toshell_fd, "\n", |
| 4213 (size_t)1); | |
| 167 | 4214 ++lnum; |
| 4215 if (lnum > curbuf->b_op_end.lnum) | |
| 4216 { | |
| 4217 /* finished all the lines, close pipe */ | |
| 4218 close(toshell_fd); | |
| 4219 toshell_fd = -1; | |
| 4220 break; | |
| 4221 } | |
| 944 | 4222 lp = ml_get(lnum); |
| 167 | 4223 written = 0; |
| 4224 } | |
| 4225 else if (len > 0) | |
| 4226 written += len; | |
| 4227 } | |
| 4228 _exit(0); | |
| 4229 } | |
| 4230 else | |
| 4231 { | |
| 4232 close(toshell_fd); | |
| 4233 toshell_fd = -1; | |
| 4234 } | |
| 4235 } | |
| 4236 | |
| 4237 if (options & SHELL_READ) | |
| 4238 ga_init2(&ga, 1, BUFLEN); | |
| 4239 | |
| 4240 noread_cnt = 0; | |
| 1823 | 4241 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
| 4242 gettimeofday(&start_tv, NULL); | |
| 4243 # endif | |
| 7 | 4244 for (;;) |
| 4245 { | |
| 4246 /* | |
| 4247 * Check if keys have been typed, write them to the child | |
| 592 | 4248 * if there are any. |
| 4249 * Don't do this if we are expanding wild cards (would eat | |
| 4250 * typeahead). | |
| 4251 * Don't do this when filtering and terminal is in cooked | |
| 4252 * mode, the shell command will handle the I/O. Avoids | |
| 4253 * that a typed password is echoed for ssh or gpg command. | |
| 602 | 4254 * Don't get characters when the child has already |
| 4255 * finished (wait_pid == 0). | |
| 167 | 4256 * Don't read characters unless we didn't get output for a |
| 1823 | 4257 * while (noread_cnt > 4), avoids that ":r !ls" eats |
| 4258 * typeahead. | |
| 7 | 4259 */ |
| 4260 len = 0; | |
| 4261 if (!(options & SHELL_EXPAND) | |
| 592 | 4262 && ((options & |
| 4263 (SHELL_READ|SHELL_WRITE|SHELL_COOKED)) | |
| 4264 != (SHELL_READ|SHELL_WRITE|SHELL_COOKED) | |
| 1823 | 4265 # ifdef FEAT_GUI |
| 592 | 4266 || gui.in_use |
| 1823 | 4267 # endif |
| 592 | 4268 ) |
| 602 | 4269 && wait_pid == 0 |
| 1823 | 4270 && (ta_len > 0 || noread_cnt > 4)) |
| 7 | 4271 { |
| 1823 | 4272 if (ta_len == 0) |
| 4273 { | |
| 4274 /* Get extra characters when we don't have any. | |
| 4275 * Reset the counter and timer. */ | |
| 4276 noread_cnt = 0; | |
| 4277 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 4278 gettimeofday(&start_tv, NULL); | |
| 4279 # endif | |
| 4280 len = ui_inchar(ta_buf, BUFLEN, 10L, 0); | |
| 4281 } | |
| 4282 if (ta_len > 0 || len > 0) | |
| 4283 { | |
| 7 | 4284 /* |
| 4285 * For pipes: | |
| 4286 * Check for CTRL-C: send interrupt signal to child. | |
| 4287 * Check for CTRL-D: EOF, close pipe to child. | |
| 4288 */ | |
| 4289 if (len == 1 && (pty_master_fd < 0 || cmd != NULL)) | |
| 4290 { | |
| 167 | 4291 # ifdef SIGINT |
| 7 | 4292 /* |
| 4293 * Send SIGINT to the child's group or all | |
| 4294 * processes in our group. | |
| 4295 */ | |
| 4296 if (ta_buf[ta_len] == Ctrl_C | |
| 4297 || ta_buf[ta_len] == intr_char) | |
| 167 | 4298 { |
| 4299 # ifdef HAVE_SETSID | |
| 7 | 4300 kill(-pid, SIGINT); |
| 167 | 4301 # else |
| 7 | 4302 kill(0, SIGINT); |
| 4303 # endif | |
| 167 | 4304 if (wpid > 0) |
| 4305 kill(wpid, SIGINT); | |
| 4306 } | |
| 4307 # endif | |
| 7 | 4308 if (pty_master_fd < 0 && toshell_fd >= 0 |
| 4309 && ta_buf[ta_len] == Ctrl_D) | |
| 4310 { | |
| 4311 close(toshell_fd); | |
| 4312 toshell_fd = -1; | |
| 4313 } | |
| 4314 } | |
| 4315 | |
| 4316 /* replace K_BS by <BS> and K_DEL by <DEL> */ | |
| 4317 for (i = ta_len; i < ta_len + len; ++i) | |
| 4318 { | |
| 4319 if (ta_buf[i] == CSI && len - i > 2) | |
| 4320 { | |
| 4321 c = TERMCAP2KEY(ta_buf[i + 1], ta_buf[i + 2]); | |
| 4322 if (c == K_DEL || c == K_KDEL || c == K_BS) | |
| 4323 { | |
| 4324 mch_memmove(ta_buf + i + 1, ta_buf + i + 3, | |
| 4325 (size_t)(len - i - 2)); | |
| 4326 if (c == K_DEL || c == K_KDEL) | |
| 4327 ta_buf[i] = DEL; | |
| 4328 else | |
| 4329 ta_buf[i] = Ctrl_H; | |
| 4330 len -= 2; | |
| 4331 } | |
| 4332 } | |
| 4333 else if (ta_buf[i] == '\r') | |
| 4334 ta_buf[i] = '\n'; | |
| 167 | 4335 # ifdef FEAT_MBYTE |
| 7 | 4336 if (has_mbyte) |
| 1903 | 4337 i += (*mb_ptr2len_len)(ta_buf + i, |
| 4338 ta_len + len - i) - 1; | |
| 167 | 4339 # endif |
| 7 | 4340 } |
| 4341 | |
| 4342 /* | |
| 4343 * For pipes: echo the typed characters. | |
| 4344 * For a pty this does not seem to work. | |
| 4345 */ | |
| 4346 if (pty_master_fd < 0) | |
| 4347 { | |
| 4348 for (i = ta_len; i < ta_len + len; ++i) | |
| 4349 { | |
| 4350 if (ta_buf[i] == '\n' || ta_buf[i] == '\b') | |
| 4351 msg_putchar(ta_buf[i]); | |
| 167 | 4352 # ifdef FEAT_MBYTE |
| 7 | 4353 else if (has_mbyte) |
| 4354 { | |
| 474 | 4355 int l = (*mb_ptr2len)(ta_buf + i); |
| 7 | 4356 |
| 4357 msg_outtrans_len(ta_buf + i, l); | |
| 4358 i += l - 1; | |
| 4359 } | |
| 167 | 4360 # endif |
| 7 | 4361 else |
| 4362 msg_outtrans_len(ta_buf + i, 1); | |
| 4363 } | |
| 4364 windgoto(msg_row, msg_col); | |
| 4365 out_flush(); | |
| 4366 } | |
| 4367 | |
| 4368 ta_len += len; | |
| 4369 | |
| 4370 /* | |
| 4371 * Write the characters to the child, unless EOF has | |
| 4372 * been typed for pipes. Write one character at a | |
| 1698 | 4373 * time, to avoid losing too much typeahead. |
| 167 | 4374 * When writing buffer lines, drop the typed |
| 4375 * characters (only check for CTRL-C). | |
| 7 | 4376 */ |
| 167 | 4377 if (options & SHELL_WRITE) |
| 4378 ta_len = 0; | |
| 4379 else if (toshell_fd >= 0) | |
| 7 | 4380 { |
| 4381 len = write(toshell_fd, (char *)ta_buf, (size_t)1); | |
| 4382 if (len > 0) | |
| 4383 { | |
| 4384 ta_len -= len; | |
| 4385 mch_memmove(ta_buf, ta_buf + len, ta_len); | |
| 4386 } | |
| 4387 } | |
| 1823 | 4388 } |
| 7 | 4389 } |
| 4390 | |
| 167 | 4391 if (got_int) |
| 4392 { | |
| 4393 /* CTRL-C sends a signal to the child, we ignore it | |
| 4394 * ourselves */ | |
| 4395 # ifdef HAVE_SETSID | |
| 4396 kill(-pid, SIGINT); | |
| 4397 # else | |
| 4398 kill(0, SIGINT); | |
| 4399 # endif | |
| 4400 if (wpid > 0) | |
| 4401 kill(wpid, SIGINT); | |
| 4402 got_int = FALSE; | |
| 4403 } | |
| 4404 | |
| 7 | 4405 /* |
| 4406 * Check if the child has any characters to be printed. | |
| 4407 * Read them and write them to our window. Repeat this as | |
| 4408 * long as there is something to do, avoid the 10ms wait | |
| 4409 * for mch_inchar(), or sending typeahead characters to | |
| 4410 * the external process. | |
| 4411 * TODO: This should handle escape sequences, compatible | |
| 4412 * to some terminal (vt52?). | |
| 4413 */ | |
| 167 | 4414 ++noread_cnt; |
| 7 | 4415 while (RealWaitForChar(fromshell_fd, 10L, NULL)) |
| 4416 { | |
| 4417 len = read(fromshell_fd, (char *)buffer | |
| 167 | 4418 # ifdef FEAT_MBYTE |
| 7 | 4419 + buffer_off, (size_t)(BUFLEN - buffer_off) |
| 167 | 4420 # else |
| 7 | 4421 , (size_t)BUFLEN |
| 167 | 4422 # endif |
| 7 | 4423 ); |
| 4424 if (len <= 0) /* end of file or error */ | |
| 4425 goto finished; | |
| 167 | 4426 |
| 4427 noread_cnt = 0; | |
| 4428 if (options & SHELL_READ) | |
| 4429 { | |
| 4430 /* Do NUL -> NL translation, append NL separated | |
| 4431 * lines to the current buffer. */ | |
| 4432 for (i = 0; i < len; ++i) | |
| 4433 { | |
| 4434 if (buffer[i] == NL) | |
| 4435 append_ga_line(&ga); | |
| 4436 else if (buffer[i] == NUL) | |
| 4437 ga_append(&ga, NL); | |
| 4438 else | |
| 4439 ga_append(&ga, buffer[i]); | |
| 4440 } | |
| 4441 } | |
| 4442 # ifdef FEAT_MBYTE | |
| 4443 else if (has_mbyte) | |
| 7 | 4444 { |
| 4445 int l; | |
| 4446 | |
| 167 | 4447 len += buffer_off; |
| 4448 buffer[len] = NUL; | |
| 4449 | |
| 7 | 4450 /* Check if the last character in buffer[] is |
| 4451 * incomplete, keep these bytes for the next | |
| 4452 * round. */ | |
| 4453 for (p = buffer; p < buffer + len; p += l) | |
| 4454 { | |
| 474 | 4455 l = mb_cptr2len(p); |
| 7 | 4456 if (l == 0) |
| 4457 l = 1; /* NUL byte? */ | |
| 4458 else if (MB_BYTE2LEN(*p) != l) | |
| 4459 break; | |
| 4460 } | |
| 4461 if (p == buffer) /* no complete character */ | |
| 4462 { | |
| 4463 /* avoid getting stuck at an illegal byte */ | |
| 4464 if (len >= 12) | |
| 4465 ++p; | |
| 4466 else | |
| 4467 { | |
| 4468 buffer_off = len; | |
| 4469 continue; | |
| 4470 } | |
| 4471 } | |
| 4472 c = *p; | |
| 4473 *p = NUL; | |
| 4474 msg_puts(buffer); | |
| 4475 if (p < buffer + len) | |
| 4476 { | |
| 4477 *p = c; | |
| 4478 buffer_off = (buffer + len) - p; | |
| 4479 mch_memmove(buffer, p, buffer_off); | |
| 4480 continue; | |
| 4481 } | |
| 4482 buffer_off = 0; | |
| 4483 } | |
| 167 | 4484 # endif /* FEAT_MBYTE */ |
| 7 | 4485 else |
| 4486 { | |
| 4487 buffer[len] = NUL; | |
| 4488 msg_puts(buffer); | |
| 4489 } | |
| 4490 | |
| 4491 windgoto(msg_row, msg_col); | |
| 4492 cursor_on(); | |
| 4493 out_flush(); | |
| 4494 if (got_int) | |
| 4495 break; | |
| 1823 | 4496 |
| 4497 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 4498 { | |
| 4499 struct timeval now_tv; | |
| 4500 long msec; | |
| 4501 | |
| 4502 /* Avoid that we keep looping here without | |
| 4503 * checking for a CTRL-C for a long time. Don't | |
| 4504 * break out too often to avoid losing typeahead. */ | |
| 4505 gettimeofday(&now_tv, NULL); | |
| 4506 msec = (now_tv.tv_sec - start_tv.tv_sec) * 1000L | |
| 4507 + (now_tv.tv_usec - start_tv.tv_usec) / 1000L; | |
| 4508 if (msec > 2000) | |
| 4509 { | |
| 4510 noread_cnt = 5; | |
| 4511 break; | |
| 4512 } | |
| 4513 } | |
| 4514 # endif | |
| 7 | 4515 } |
| 4516 | |
| 602 | 4517 /* If we already detected the child has finished break the |
| 4518 * loop now. */ | |
| 4519 if (wait_pid == pid) | |
| 4520 break; | |
| 4521 | |
| 7 | 4522 /* |
| 4523 * Check if the child still exists, before checking for | |
| 1698 | 4524 * typed characters (otherwise we would lose typeahead). |
| 7 | 4525 */ |
| 167 | 4526 # ifdef __NeXT__ |
| 7 | 4527 wait_pid = wait4(pid, &status, WNOHANG, (struct rusage *) 0); |
| 167 | 4528 # else |
| 7 | 4529 wait_pid = waitpid(pid, &status, WNOHANG); |
| 167 | 4530 # endif |
| 7 | 4531 if ((wait_pid == (pid_t)-1 && errno == ECHILD) |
| 4532 || (wait_pid == pid && WIFEXITED(status))) | |
| 4533 { | |
| 602 | 4534 /* Don't break the loop yet, try reading more |
| 4535 * characters from "fromshell_fd" first. When using | |
| 4536 * pipes there might still be something to read and | |
| 4537 * then we'll break the loop at the "break" above. */ | |
| 7 | 4538 wait_pid = pid; |
| 4539 } | |
| 602 | 4540 else |
| 4541 wait_pid = 0; | |
| 7 | 4542 } |
| 4543 finished: | |
| 4544 p_more = p_more_save; | |
| 167 | 4545 if (options & SHELL_READ) |
| 4546 { | |
| 4547 if (ga.ga_len > 0) | |
| 4548 { | |
| 4549 append_ga_line(&ga); | |
| 4550 /* remember that the NL was missing */ | |
| 4551 write_no_eol_lnum = curwin->w_cursor.lnum; | |
| 4552 } | |
| 4553 else | |
| 4554 write_no_eol_lnum = 0; | |
| 4555 ga_clear(&ga); | |
| 4556 } | |
| 4557 | |
| 7 | 4558 /* |
| 4559 * Give all typeahead that wasn't used back to ui_inchar(). | |
| 4560 */ | |
| 4561 if (ta_len) | |
| 4562 ui_inchar_undo(ta_buf, ta_len); | |
| 4563 State = old_State; | |
| 4564 if (toshell_fd >= 0) | |
| 4565 close(toshell_fd); | |
| 4566 close(fromshell_fd); | |
| 4567 } | |
| 4568 | |
| 4569 /* | |
| 4570 * Wait until our child has exited. | |
| 4571 * Ignore wait() returning pids of other children and returning | |
| 4572 * because of some signal like SIGWINCH. | |
| 4573 * Don't wait if wait_pid was already set above, indicating the | |
| 4574 * child already exited. | |
| 4575 */ | |
| 4576 while (wait_pid != pid) | |
| 4577 { | |
| 167 | 4578 # ifdef _THREAD_SAFE |
| 7 | 4579 /* Ugly hack: when compiled with Python threads are probably |
| 4580 * used, in which case wait() sometimes hangs for no obvious | |
| 4581 * reason. Use waitpid() instead and loop (like the GUI). */ | |
| 4582 # ifdef __NeXT__ | |
| 4583 wait_pid = wait4(pid, &status, WNOHANG, (struct rusage *)0); | |
| 4584 # else | |
| 4585 wait_pid = waitpid(pid, &status, WNOHANG); | |
| 4586 # endif | |
| 4587 if (wait_pid == 0) | |
| 4588 { | |
| 4589 /* Wait for 1/100 sec before trying again. */ | |
| 4590 mch_delay(10L, TRUE); | |
| 4591 continue; | |
| 4592 } | |
| 167 | 4593 # else |
| 7 | 4594 wait_pid = wait(&status); |
| 167 | 4595 # endif |
| 7 | 4596 if (wait_pid <= 0 |
| 4597 # ifdef ECHILD | |
| 4598 && errno == ECHILD | |
| 4599 # endif | |
| 4600 ) | |
| 4601 break; | |
| 4602 } | |
| 4603 | |
| 167 | 4604 /* Make sure the child that writes to the external program is |
| 4605 * dead. */ | |
| 4606 if (wpid > 0) | |
| 4607 kill(wpid, SIGKILL); | |
| 4608 | |
| 7 | 4609 /* |
| 4610 * Set to raw mode right now, otherwise a CTRL-C after | |
| 4611 * catch_signals() will kill Vim. | |
| 4612 */ | |
| 4613 if (tmode == TMODE_RAW) | |
| 4614 settmode(TMODE_RAW); | |
| 4615 did_settmode = TRUE; | |
| 4616 set_signals(); | |
| 4617 | |
| 4618 if (WIFEXITED(status)) | |
| 4619 { | |
| 129 | 4620 /* LINTED avoid "bitwise operation on signed value" */ |
| 7 | 4621 retval = WEXITSTATUS(status); |
| 4622 if (retval && !emsg_silent) | |
| 4623 { | |
| 4624 if (retval == EXEC_FAILED) | |
| 4625 { | |
| 4626 MSG_PUTS(_("\nCannot execute shell ")); | |
| 4627 msg_outtrans(p_sh); | |
| 4628 msg_putchar('\n'); | |
| 4629 } | |
| 4630 else if (!(options & SHELL_SILENT)) | |
| 4631 { | |
| 4632 MSG_PUTS(_("\nshell returned ")); | |
| 4633 msg_outnum((long)retval); | |
| 4634 msg_putchar('\n'); | |
| 4635 } | |
| 4636 } | |
| 4637 } | |
| 4638 else | |
| 4639 MSG_PUTS(_("\nCommand terminated\n")); | |
| 4640 } | |
| 4641 } | |
| 4642 vim_free(argv); | |
| 4643 | |
| 4644 error: | |
| 4645 if (!did_settmode) | |
| 4646 if (tmode == TMODE_RAW) | |
| 4647 settmode(TMODE_RAW); /* set to raw mode */ | |
| 4648 # ifdef FEAT_TITLE | |
| 4649 resettitle(); | |
| 4650 # endif | |
| 4651 vim_free(newcmd); | |
| 4652 | |
| 4653 return retval; | |
| 4654 | |
| 4655 #endif /* USE_SYSTEM */ | |
| 4656 } | |
| 4657 | |
| 4658 /* | |
| 4659 * Check for CTRL-C typed by reading all available characters. | |
| 4660 * In cooked mode we should get SIGINT, no need to check. | |
| 4661 */ | |
| 4662 void | |
| 4663 mch_breakcheck() | |
| 4664 { | |
| 4665 if (curr_tmode == TMODE_RAW && RealWaitForChar(read_cmd_fd, 0L, NULL)) | |
| 4666 fill_input_buf(FALSE); | |
| 4667 } | |
| 4668 | |
| 4669 /* | |
| 4670 * Wait "msec" msec until a character is available from the keyboard or from | |
| 4671 * inbuf[]. msec == -1 will block forever. | |
| 4672 * When a GUI is being used, this will never get called -- webb | |
| 4673 */ | |
| 4674 static int | |
| 4675 WaitForChar(msec) | |
| 4676 long msec; | |
| 4677 { | |
| 4678 #ifdef FEAT_MOUSE_GPM | |
| 4679 int gpm_process_wanted; | |
| 4680 #endif | |
| 4681 #ifdef FEAT_XCLIPBOARD | |
| 4682 int rest; | |
| 4683 #endif | |
| 4684 int avail; | |
| 4685 | |
| 4686 if (input_available()) /* something in inbuf[] */ | |
| 4687 return 1; | |
| 4688 | |
| 4689 #if defined(FEAT_MOUSE_DEC) | |
| 4690 /* May need to query the mouse position. */ | |
| 4691 if (WantQueryMouse) | |
| 4692 { | |
| 227 | 4693 WantQueryMouse = FALSE; |
| 7 | 4694 mch_write((char_u *)IF_EB("\033[1'|", ESC_STR "[1'|"), 5); |
| 4695 } | |
| 4696 #endif | |
| 4697 | |
| 4698 /* | |
| 4699 * For FEAT_MOUSE_GPM and FEAT_XCLIPBOARD we loop here to process mouse | |
| 4700 * events. This is a bit complicated, because they might both be defined. | |
| 4701 */ | |
| 4702 #if defined(FEAT_MOUSE_GPM) || defined(FEAT_XCLIPBOARD) | |
| 4703 # ifdef FEAT_XCLIPBOARD | |
| 4704 rest = 0; | |
| 4705 if (do_xterm_trace()) | |
| 4706 rest = msec; | |
| 4707 # endif | |
| 4708 do | |
| 4709 { | |
| 4710 # ifdef FEAT_XCLIPBOARD | |
| 4711 if (rest != 0) | |
| 4712 { | |
| 4713 msec = XT_TRACE_DELAY; | |
| 4714 if (rest >= 0 && rest < XT_TRACE_DELAY) | |
| 4715 msec = rest; | |
| 4716 if (rest >= 0) | |
| 4717 rest -= msec; | |
| 4718 } | |
| 4719 # endif | |
| 4720 # ifdef FEAT_MOUSE_GPM | |
| 4721 gpm_process_wanted = 0; | |
| 4722 avail = RealWaitForChar(read_cmd_fd, msec, &gpm_process_wanted); | |
| 4723 # else | |
| 4724 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
| 4725 # endif | |
| 4726 if (!avail) | |
| 4727 { | |
| 4728 if (input_available()) | |
| 4729 return 1; | |
| 4730 # ifdef FEAT_XCLIPBOARD | |
| 4731 if (rest == 0 || !do_xterm_trace()) | |
| 4732 # endif | |
| 4733 break; | |
| 4734 } | |
| 4735 } | |
| 4736 while (FALSE | |
| 4737 # ifdef FEAT_MOUSE_GPM | |
| 4738 || (gpm_process_wanted && mch_gpm_process() == 0) | |
| 4739 # endif | |
| 4740 # ifdef FEAT_XCLIPBOARD | |
| 4741 || (!avail && rest != 0) | |
| 4742 # endif | |
| 4743 ); | |
| 4744 | |
| 4745 #else | |
| 4746 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
| 4747 #endif | |
| 4748 return avail; | |
| 4749 } | |
| 4750 | |
| 4751 /* | |
| 4752 * Wait "msec" msec until a character is available from file descriptor "fd". | |
| 4753 * Time == -1 will block forever. | |
| 4754 * When a GUI is being used, this will not be used for input -- webb | |
| 4755 * Returns also, when a request from Sniff is waiting -- toni. | |
| 4756 * Or when a Linux GPM mouse event is waiting. | |
| 4757 */ | |
| 4758 #if defined(__BEOS__) | |
| 4759 int | |
| 4760 #else | |
| 4761 static int | |
| 4762 #endif | |
| 4763 RealWaitForChar(fd, msec, check_for_gpm) | |
| 4764 int fd; | |
| 4765 long msec; | |
| 1877 | 4766 int *check_for_gpm UNUSED; |
| 7 | 4767 { |
| 4768 int ret; | |
| 14 | 4769 #if defined(FEAT_XCLIPBOARD) || defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
| 7 | 4770 static int busy = FALSE; |
| 4771 | |
| 4772 /* May retry getting characters after an event was handled. */ | |
| 4773 # define MAY_LOOP | |
| 4774 | |
| 4775 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 4776 /* Remember at what time we started, so that we know how much longer we | |
| 4777 * should wait after being interrupted. */ | |
| 4778 # define USE_START_TV | |
| 4779 struct timeval start_tv; | |
| 4780 | |
| 4781 if (msec > 0 && ( | |
| 4782 # ifdef FEAT_XCLIPBOARD | |
| 4783 xterm_Shell != (Widget)0 | |
| 14 | 4784 # if defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
| 7 | 4785 || |
| 4786 # endif | |
| 4787 # endif | |
| 4788 # ifdef USE_XSMP | |
| 4789 xsmp_icefd != -1 | |
| 14 | 4790 # ifdef FEAT_MZSCHEME |
| 4791 || | |
| 4792 # endif | |
| 4793 # endif | |
| 4794 # ifdef FEAT_MZSCHEME | |
| 4795 (mzthreads_allowed() && p_mzq > 0) | |
| 7 | 4796 # endif |
| 4797 )) | |
| 4798 gettimeofday(&start_tv, NULL); | |
| 4799 # endif | |
| 4800 | |
| 4801 /* Handle being called recursively. This may happen for the session | |
| 4802 * manager stuff, it may save the file, which does a breakcheck. */ | |
| 4803 if (busy) | |
| 4804 return 0; | |
| 4805 #endif | |
| 4806 | |
| 4807 #ifdef MAY_LOOP | |
| 407 | 4808 for (;;) |
| 7 | 4809 #endif |
| 4810 { | |
| 4811 #ifdef MAY_LOOP | |
| 4812 int finished = TRUE; /* default is to 'loop' just once */ | |
| 14 | 4813 # ifdef FEAT_MZSCHEME |
| 4814 int mzquantum_used = FALSE; | |
| 4815 # endif | |
| 7 | 4816 #endif |
| 4817 #ifndef HAVE_SELECT | |
| 4818 struct pollfd fds[5]; | |
| 4819 int nfd; | |
| 4820 # ifdef FEAT_XCLIPBOARD | |
| 4821 int xterm_idx = -1; | |
| 4822 # endif | |
| 4823 # ifdef FEAT_MOUSE_GPM | |
| 4824 int gpm_idx = -1; | |
| 4825 # endif | |
| 4826 # ifdef USE_XSMP | |
| 4827 int xsmp_idx = -1; | |
| 4828 # endif | |
| 14 | 4829 int towait = (int)msec; |
| 4830 | |
| 4831 # ifdef FEAT_MZSCHEME | |
| 4832 mzvim_check_threads(); | |
| 4833 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
| 4834 { | |
| 4835 towait = (int)p_mzq; /* don't wait longer than 'mzquantum' */ | |
| 4836 mzquantum_used = TRUE; | |
| 4837 } | |
| 4838 # endif | |
| 7 | 4839 fds[0].fd = fd; |
| 4840 fds[0].events = POLLIN; | |
| 4841 nfd = 1; | |
| 4842 | |
| 4843 # ifdef FEAT_SNIFF | |
| 4844 # define SNIFF_IDX 1 | |
| 4845 if (want_sniff_request) | |
| 4846 { | |
| 4847 fds[SNIFF_IDX].fd = fd_from_sniff; | |
| 4848 fds[SNIFF_IDX].events = POLLIN; | |
| 4849 nfd++; | |
| 4850 } | |
| 4851 # endif | |
| 4852 # ifdef FEAT_XCLIPBOARD | |
| 4853 if (xterm_Shell != (Widget)0) | |
| 4854 { | |
| 4855 xterm_idx = nfd; | |
| 4856 fds[nfd].fd = ConnectionNumber(xterm_dpy); | |
| 4857 fds[nfd].events = POLLIN; | |
| 4858 nfd++; | |
| 4859 } | |
| 4860 # endif | |
| 4861 # ifdef FEAT_MOUSE_GPM | |
| 4862 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
| 4863 { | |
| 4864 gpm_idx = nfd; | |
| 4865 fds[nfd].fd = gpm_fd; | |
| 4866 fds[nfd].events = POLLIN; | |
| 4867 nfd++; | |
| 4868 } | |
| 4869 # endif | |
| 4870 # ifdef USE_XSMP | |
| 4871 if (xsmp_icefd != -1) | |
| 4872 { | |
| 4873 xsmp_idx = nfd; | |
| 4874 fds[nfd].fd = xsmp_icefd; | |
| 4875 fds[nfd].events = POLLIN; | |
| 4876 nfd++; | |
| 4877 } | |
| 4878 # endif | |
| 4879 | |
| 14 | 4880 ret = poll(fds, nfd, towait); |
| 4881 # ifdef FEAT_MZSCHEME | |
| 4882 if (ret == 0 && mzquantum_used) | |
| 1450 | 4883 /* MzThreads scheduling is required and timeout occurred */ |
| 14 | 4884 finished = FALSE; |
| 4885 # endif | |
| 7 | 4886 |
| 4887 # ifdef FEAT_SNIFF | |
| 4888 if (ret < 0) | |
| 4889 sniff_disconnect(1); | |
| 4890 else if (want_sniff_request) | |
| 4891 { | |
| 4892 if (fds[SNIFF_IDX].revents & POLLHUP) | |
| 4893 sniff_disconnect(1); | |
| 4894 if (fds[SNIFF_IDX].revents & POLLIN) | |
| 4895 sniff_request_waiting = 1; | |
| 4896 } | |
| 4897 # endif | |
| 4898 # ifdef FEAT_XCLIPBOARD | |
| 4899 if (xterm_Shell != (Widget)0 && (fds[xterm_idx].revents & POLLIN)) | |
| 4900 { | |
| 4901 xterm_update(); /* Maybe we should hand out clipboard */ | |
| 4902 if (--ret == 0 && !input_available()) | |
| 4903 /* Try again */ | |
| 4904 finished = FALSE; | |
| 4905 } | |
| 4906 # endif | |
| 4907 # ifdef FEAT_MOUSE_GPM | |
| 4908 if (gpm_idx >= 0 && (fds[gpm_idx].revents & POLLIN)) | |
| 4909 { | |
| 4910 *check_for_gpm = 1; | |
| 4911 } | |
| 4912 # endif | |
| 4913 # ifdef USE_XSMP | |
| 4914 if (xsmp_idx >= 0 && (fds[xsmp_idx].revents & (POLLIN | POLLHUP))) | |
| 4915 { | |
| 4916 if (fds[xsmp_idx].revents & POLLIN) | |
| 4917 { | |
| 4918 busy = TRUE; | |
| 4919 xsmp_handle_requests(); | |
| 4920 busy = FALSE; | |
| 4921 } | |
| 4922 else if (fds[xsmp_idx].revents & POLLHUP) | |
| 4923 { | |
| 4924 if (p_verbose > 0) | |
| 292 | 4925 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 4926 xsmp_close(); |
| 4927 } | |
| 4928 if (--ret == 0) | |
| 14 | 4929 finished = FALSE; /* Try again */ |
| 7 | 4930 } |
| 4931 # endif | |
| 4932 | |
| 4933 | |
| 4934 #else /* HAVE_SELECT */ | |
| 4935 | |
| 4936 struct timeval tv; | |
| 14 | 4937 struct timeval *tvp; |
| 7 | 4938 fd_set rfds, efds; |
| 4939 int maxfd; | |
| 14 | 4940 long towait = msec; |
| 4941 | |
| 4942 # ifdef FEAT_MZSCHEME | |
| 4943 mzvim_check_threads(); | |
| 4944 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
| 4945 { | |
| 4946 towait = p_mzq; /* don't wait longer than 'mzquantum' */ | |
| 4947 mzquantum_used = TRUE; | |
| 4948 } | |
| 4949 # endif | |
| 7 | 4950 # ifdef __EMX__ |
| 4951 /* don't check for incoming chars if not in raw mode, because select() | |
| 4952 * always returns TRUE then (in some version of emx.dll) */ | |
| 4953 if (curr_tmode != TMODE_RAW) | |
| 4954 return 0; | |
| 4955 # endif | |
| 4956 | |
| 14 | 4957 if (towait >= 0) |
| 7 | 4958 { |
| 14 | 4959 tv.tv_sec = towait / 1000; |
| 4960 tv.tv_usec = (towait % 1000) * (1000000/1000); | |
| 4961 tvp = &tv; | |
| 7 | 4962 } |
| 14 | 4963 else |
| 4964 tvp = NULL; | |
| 7 | 4965 |
| 4966 /* | |
| 4967 * Select on ready for reading and exceptional condition (end of file). | |
| 4968 */ | |
| 4969 FD_ZERO(&rfds); /* calls bzero() on a sun */ | |
| 4970 FD_ZERO(&efds); | |
| 4971 FD_SET(fd, &rfds); | |
| 4972 # if !defined(__QNX__) && !defined(__CYGWIN32__) | |
| 4973 /* For QNX select() always returns 1 if this is set. Why? */ | |
| 4974 FD_SET(fd, &efds); | |
| 4975 # endif | |
| 4976 maxfd = fd; | |
| 4977 | |
| 4978 # ifdef FEAT_SNIFF | |
| 4979 if (want_sniff_request) | |
| 4980 { | |
| 4981 FD_SET(fd_from_sniff, &rfds); | |
| 4982 FD_SET(fd_from_sniff, &efds); | |
| 4983 if (maxfd < fd_from_sniff) | |
| 4984 maxfd = fd_from_sniff; | |
| 4985 } | |
| 4986 # endif | |
| 4987 # ifdef FEAT_XCLIPBOARD | |
| 4988 if (xterm_Shell != (Widget)0) | |
| 4989 { | |
| 4990 FD_SET(ConnectionNumber(xterm_dpy), &rfds); | |
| 4991 if (maxfd < ConnectionNumber(xterm_dpy)) | |
| 4992 maxfd = ConnectionNumber(xterm_dpy); | |
| 4993 } | |
| 4994 # endif | |
| 4995 # ifdef FEAT_MOUSE_GPM | |
| 4996 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
| 4997 { | |
| 4998 FD_SET(gpm_fd, &rfds); | |
| 4999 FD_SET(gpm_fd, &efds); | |
| 5000 if (maxfd < gpm_fd) | |
| 5001 maxfd = gpm_fd; | |
| 5002 } | |
| 5003 # endif | |
| 5004 # ifdef USE_XSMP | |
| 5005 if (xsmp_icefd != -1) | |
| 5006 { | |
| 5007 FD_SET(xsmp_icefd, &rfds); | |
| 5008 FD_SET(xsmp_icefd, &efds); | |
| 5009 if (maxfd < xsmp_icefd) | |
| 5010 maxfd = xsmp_icefd; | |
| 5011 } | |
| 5012 # endif | |
| 5013 | |
| 5014 # ifdef OLD_VMS | |
| 5015 /* Old VMS as v6.2 and older have broken select(). It waits more than | |
| 5016 * required. Should not be used */ | |
| 5017 ret = 0; | |
| 5018 # else | |
| 14 | 5019 ret = select(maxfd + 1, &rfds, NULL, &efds, tvp); |
| 5020 # endif | |
| 1076 | 5021 # ifdef __TANDEM |
| 5022 if (ret == -1 && errno == ENOTSUP) | |
| 5023 { | |
| 5024 FD_ZERO(&rfds); | |
| 5025 FD_ZERO(&efds); | |
| 5026 ret = 0; | |
| 5027 } | |
| 5028 #endif | |
| 14 | 5029 # ifdef FEAT_MZSCHEME |
| 5030 if (ret == 0 && mzquantum_used) | |
| 1450 | 5031 /* loop if MzThreads must be scheduled and timeout occurred */ |
| 14 | 5032 finished = FALSE; |
| 7 | 5033 # endif |
| 5034 | |
| 5035 # ifdef FEAT_SNIFF | |
| 5036 if (ret < 0 ) | |
| 5037 sniff_disconnect(1); | |
| 5038 else if (ret > 0 && want_sniff_request) | |
| 5039 { | |
| 5040 if (FD_ISSET(fd_from_sniff, &efds)) | |
| 5041 sniff_disconnect(1); | |
| 5042 if (FD_ISSET(fd_from_sniff, &rfds)) | |
| 5043 sniff_request_waiting = 1; | |
| 5044 } | |
| 5045 # endif | |
| 5046 # ifdef FEAT_XCLIPBOARD | |
| 5047 if (ret > 0 && xterm_Shell != (Widget)0 | |
| 5048 && FD_ISSET(ConnectionNumber(xterm_dpy), &rfds)) | |
| 5049 { | |
| 5050 xterm_update(); /* Maybe we should hand out clipboard */ | |
| 5051 /* continue looping when we only got the X event and the input | |
| 5052 * buffer is empty */ | |
| 5053 if (--ret == 0 && !input_available()) | |
| 5054 { | |
| 5055 /* Try again */ | |
| 5056 finished = FALSE; | |
| 5057 } | |
| 5058 } | |
| 5059 # endif | |
| 5060 # ifdef FEAT_MOUSE_GPM | |
| 5061 if (ret > 0 && gpm_flag && check_for_gpm != NULL && gpm_fd >= 0) | |
| 5062 { | |
| 5063 if (FD_ISSET(gpm_fd, &efds)) | |
| 5064 gpm_close(); | |
| 5065 else if (FD_ISSET(gpm_fd, &rfds)) | |
| 5066 *check_for_gpm = 1; | |
| 5067 } | |
| 5068 # endif | |
| 5069 # ifdef USE_XSMP | |
| 5070 if (ret > 0 && xsmp_icefd != -1) | |
| 5071 { | |
| 5072 if (FD_ISSET(xsmp_icefd, &efds)) | |
| 5073 { | |
| 5074 if (p_verbose > 0) | |
| 292 | 5075 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 5076 xsmp_close(); |
| 5077 if (--ret == 0) | |
| 5078 finished = FALSE; /* keep going if event was only one */ | |
| 5079 } | |
| 5080 else if (FD_ISSET(xsmp_icefd, &rfds)) | |
| 5081 { | |
| 5082 busy = TRUE; | |
| 5083 xsmp_handle_requests(); | |
| 5084 busy = FALSE; | |
| 5085 if (--ret == 0) | |
| 5086 finished = FALSE; /* keep going if event was only one */ | |
| 5087 } | |
| 5088 } | |
| 5089 # endif | |
| 5090 | |
| 5091 #endif /* HAVE_SELECT */ | |
| 5092 | |
| 5093 #ifdef MAY_LOOP | |
| 5094 if (finished || msec == 0) | |
| 5095 break; | |
| 5096 | |
| 5097 /* We're going to loop around again, find out for how long */ | |
| 5098 if (msec > 0) | |
| 5099 { | |
| 5100 # ifdef USE_START_TV | |
| 5101 struct timeval mtv; | |
| 5102 | |
| 5103 /* Compute remaining wait time. */ | |
| 5104 gettimeofday(&mtv, NULL); | |
| 5105 msec -= (mtv.tv_sec - start_tv.tv_sec) * 1000L | |
| 5106 + (mtv.tv_usec - start_tv.tv_usec) / 1000L; | |
| 5107 # else | |
| 5108 /* Guess we got interrupted halfway. */ | |
| 5109 msec = msec / 2; | |
| 5110 # endif | |
| 5111 if (msec <= 0) | |
| 5112 break; /* waited long enough */ | |
| 5113 } | |
| 5114 #endif | |
| 5115 } | |
| 5116 | |
| 5117 return (ret > 0); | |
| 5118 } | |
| 5119 | |
| 5120 #ifndef VMS | |
| 5121 | |
| 5122 #ifndef NO_EXPANDPATH | |
| 5123 /* | |
| 444 | 5124 * Expand a path into all matching files and/or directories. Handles "*", |
| 5125 * "?", "[a-z]", "**", etc. | |
| 5126 * "path" has backslashes before chars that are not to be expanded. | |
| 5127 * Returns the number of matches found. | |
| 7 | 5128 */ |
| 5129 int | |
| 5130 mch_expandpath(gap, path, flags) | |
| 5131 garray_T *gap; | |
| 5132 char_u *path; | |
| 5133 int flags; /* EW_* flags */ | |
| 5134 { | |
| 444 | 5135 return unix_expandpath(gap, path, 0, flags, FALSE); |
| 7 | 5136 } |
| 5137 #endif | |
| 5138 | |
| 5139 /* | |
| 5140 * mch_expand_wildcards() - this code does wild-card pattern matching using | |
| 5141 * the shell | |
| 5142 * | |
| 5143 * return OK for success, FAIL for error (you may lose some memory) and put | |
| 5144 * an error message in *file. | |
| 5145 * | |
| 5146 * num_pat is number of input patterns | |
| 5147 * pat is array of pointers to input patterns | |
| 5148 * num_file is pointer to number of matched file names | |
| 5149 * file is pointer to array of pointers to matched file names | |
| 5150 */ | |
| 5151 | |
| 5152 #ifndef SEEK_SET | |
| 5153 # define SEEK_SET 0 | |
| 5154 #endif | |
| 5155 #ifndef SEEK_END | |
| 5156 # define SEEK_END 2 | |
| 5157 #endif | |
| 5158 | |
| 822 | 5159 #define SHELL_SPECIAL (char_u *)"\t \"&'$;<>()\\|" |
| 628 | 5160 |
| 7 | 5161 int |
| 5162 mch_expand_wildcards(num_pat, pat, num_file, file, flags) | |
| 5163 int num_pat; | |
| 5164 char_u **pat; | |
| 5165 int *num_file; | |
| 5166 char_u ***file; | |
| 5167 int flags; /* EW_* flags */ | |
| 5168 { | |
| 5169 int i; | |
| 5170 size_t len; | |
| 5171 char_u *p; | |
| 5172 int dir; | |
| 5173 #ifdef __EMX__ | |
| 1508 | 5174 /* |
| 5175 * This is the OS/2 implementation. | |
| 5176 */ | |
| 7 | 5177 # define EXPL_ALLOC_INC 16 |
| 5178 char_u **expl_files; | |
| 5179 size_t files_alloced, files_free; | |
| 5180 char_u *buf; | |
| 5181 int has_wildcard; | |
| 5182 | |
| 5183 *num_file = 0; /* default: no files found */ | |
| 5184 files_alloced = EXPL_ALLOC_INC; /* how much space is allocated */ | |
| 5185 files_free = EXPL_ALLOC_INC; /* how much space is not used */ | |
| 5186 *file = (char_u **)alloc(sizeof(char_u **) * files_alloced); | |
| 5187 if (*file == NULL) | |
| 5188 return FAIL; | |
| 5189 | |
| 5190 for (; num_pat > 0; num_pat--, pat++) | |
| 5191 { | |
| 5192 expl_files = NULL; | |
| 5193 if (vim_strchr(*pat, '$') || vim_strchr(*pat, '~')) | |
| 5194 /* expand environment var or home dir */ | |
| 5195 buf = expand_env_save(*pat); | |
| 5196 else | |
| 5197 buf = vim_strsave(*pat); | |
| 5198 expl_files = NULL; | |
| 99 | 5199 has_wildcard = mch_has_exp_wildcard(buf); /* (still) wildcards? */ |
| 7 | 5200 if (has_wildcard) /* yes, so expand them */ |
| 5201 expl_files = (char_u **)_fnexplode(buf); | |
| 5202 | |
| 5203 /* | |
| 5204 * return value of buf if no wildcards left, | |
| 5205 * OR if no match AND EW_NOTFOUND is set. | |
| 5206 */ | |
| 5207 if ((!has_wildcard && ((flags & EW_NOTFOUND) || mch_getperm(buf) >= 0)) | |
| 5208 || (expl_files == NULL && (flags & EW_NOTFOUND))) | |
| 5209 { /* simply save the current contents of *buf */ | |
| 5210 expl_files = (char_u **)alloc(sizeof(char_u **) * 2); | |
| 5211 if (expl_files != NULL) | |
| 5212 { | |
| 5213 expl_files[0] = vim_strsave(buf); | |
| 5214 expl_files[1] = NULL; | |
| 5215 } | |
| 5216 } | |
| 5217 vim_free(buf); | |
| 5218 | |
| 5219 /* | |
| 5220 * Count number of names resulting from expansion, | |
| 5221 * At the same time add a backslash to the end of names that happen to | |
| 5222 * be directories, and replace slashes with backslashes. | |
| 5223 */ | |
| 5224 if (expl_files) | |
| 5225 { | |
| 5226 for (i = 0; (p = expl_files[i]) != NULL; i++) | |
| 5227 { | |
| 5228 dir = mch_isdir(p); | |
| 5229 /* If we don't want dirs and this is one, skip it */ | |
| 5230 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
| 5231 continue; | |
| 5232 | |
| 715 | 5233 /* Skip files that are not executable if we check for that. */ |
| 5234 if (!dir && (flags & EW_EXEC) && !mch_can_exe(p)) | |
| 5235 continue; | |
| 5236 | |
| 7 | 5237 if (--files_free == 0) |
| 5238 { | |
| 5239 /* need more room in table of pointers */ | |
| 5240 files_alloced += EXPL_ALLOC_INC; | |
| 5241 *file = (char_u **)vim_realloc(*file, | |
| 5242 sizeof(char_u **) * files_alloced); | |
| 5243 if (*file == NULL) | |
| 5244 { | |
| 5245 EMSG(_(e_outofmem)); | |
| 5246 *num_file = 0; | |
| 5247 return FAIL; | |
| 5248 } | |
| 5249 files_free = EXPL_ALLOC_INC; | |
| 5250 } | |
| 5251 slash_adjust(p); | |
| 5252 if (dir) | |
| 5253 { | |
| 5254 /* For a directory we add a '/', unless it's already | |
| 5255 * there. */ | |
| 5256 len = STRLEN(p); | |
| 5257 if (((*file)[*num_file] = alloc(len + 2)) != NULL) | |
| 5258 { | |
| 5259 STRCPY((*file)[*num_file], p); | |
| 902 | 5260 if (!after_pathsep((*file)[*num_file], |
| 5261 (*file)[*num_file] + len)) | |
| 7 | 5262 { |
| 5263 (*file)[*num_file][len] = psepc; | |
| 39 | 5264 (*file)[*num_file][len + 1] = NUL; |
| 7 | 5265 } |
| 5266 } | |
| 5267 } | |
| 5268 else | |
| 5269 { | |
| 5270 (*file)[*num_file] = vim_strsave(p); | |
| 5271 } | |
| 5272 | |
| 5273 /* | |
| 5274 * Error message already given by either alloc or vim_strsave. | |
| 5275 * Should return FAIL, but returning OK works also. | |
| 5276 */ | |
| 5277 if ((*file)[*num_file] == NULL) | |
| 5278 break; | |
| 5279 (*num_file)++; | |
| 5280 } | |
| 5281 _fnexplodefree((char **)expl_files); | |
| 5282 } | |
| 5283 } | |
| 5284 return OK; | |
| 5285 | |
| 5286 #else /* __EMX__ */ | |
| 1508 | 5287 /* |
| 5288 * This is the non-OS/2 implementation (really Unix). | |
| 5289 */ | |
| 7 | 5290 int j; |
| 5291 char_u *tempname; | |
| 5292 char_u *command; | |
| 5293 FILE *fd; | |
| 5294 char_u *buffer; | |
| 1508 | 5295 #define STYLE_ECHO 0 /* use "echo", the default */ |
| 5296 #define STYLE_GLOB 1 /* use "glob", for csh */ | |
| 5297 #define STYLE_VIMGLOB 2 /* use "vimglob", for Posix sh */ | |
| 5298 #define STYLE_PRINT 3 /* use "print -N", for zsh */ | |
| 5299 #define STYLE_BT 4 /* `cmd` expansion, execute the pattern | |
| 5300 * directly */ | |
| 7 | 5301 int shell_style = STYLE_ECHO; |
| 5302 int check_spaces; | |
| 5303 static int did_find_nul = FALSE; | |
| 5304 int ampersent = FALSE; | |
| 1508 | 5305 /* vimglob() function to define for Posix shell */ |
| 1620 | 5306 static char *sh_vimglob_func = "vimglob() { while [ $# -ge 1 ]; do echo \"$1\"; shift; done }; vimglob >"; |
| 7 | 5307 |
| 5308 *num_file = 0; /* default: no files found */ | |
| 5309 *file = NULL; | |
| 5310 | |
| 5311 /* | |
| 5312 * If there are no wildcards, just copy the names to allocated memory. | |
| 5313 * Saves a lot of time, because we don't have to start a new shell. | |
| 5314 */ | |
| 5315 if (!have_wildcard(num_pat, pat)) | |
| 5316 return save_patterns(num_pat, pat, num_file, file); | |
| 5317 | |
| 428 | 5318 # ifdef HAVE_SANDBOX |
| 5319 /* Don't allow any shell command in the sandbox. */ | |
| 5320 if (sandbox != 0 && check_secure()) | |
| 5321 return FAIL; | |
| 5322 # endif | |
| 5323 | |
| 7 | 5324 /* |
| 5325 * Don't allow the use of backticks in secure and restricted mode. | |
| 5326 */ | |
| 428 | 5327 if (secure || restricted) |
| 7 | 5328 for (i = 0; i < num_pat; ++i) |
| 5329 if (vim_strchr(pat[i], '`') != NULL | |
| 5330 && (check_restricted() || check_secure())) | |
| 5331 return FAIL; | |
| 5332 | |
| 5333 /* | |
| 5334 * get a name for the temp file | |
| 5335 */ | |
| 5336 if ((tempname = vim_tempname('o')) == NULL) | |
| 5337 { | |
| 5338 EMSG(_(e_notmp)); | |
| 5339 return FAIL; | |
| 5340 } | |
| 5341 | |
| 5342 /* | |
| 5343 * Let the shell expand the patterns and write the result into the temp | |
| 1508 | 5344 * file. |
| 5345 * STYLE_BT: NL separated | |
| 5346 * If expanding `cmd` execute it directly. | |
| 5347 * STYLE_GLOB: NUL separated | |
| 5348 * If we use *csh, "glob" will work better than "echo". | |
| 5349 * STYLE_PRINT: NL or NUL separated | |
| 5350 * If we use *zsh, "print -N" will work better than "glob". | |
| 5351 * STYLE_VIMGLOB: NL separated | |
| 5352 * If we use *sh*, we define "vimglob()". | |
| 5353 * STYLE_ECHO: space separated. | |
| 5354 * A shell we don't know, stay safe and use "echo". | |
| 7 | 5355 */ |
| 5356 if (num_pat == 1 && *pat[0] == '`' | |
| 5357 && (len = STRLEN(pat[0])) > 2 | |
| 5358 && *(pat[0] + len - 1) == '`') | |
| 5359 shell_style = STYLE_BT; | |
| 5360 else if ((len = STRLEN(p_sh)) >= 3) | |
| 5361 { | |
| 5362 if (STRCMP(p_sh + len - 3, "csh") == 0) | |
| 5363 shell_style = STYLE_GLOB; | |
| 5364 else if (STRCMP(p_sh + len - 3, "zsh") == 0) | |
| 5365 shell_style = STYLE_PRINT; | |
| 5366 } | |
| 1508 | 5367 if (shell_style == STYLE_ECHO && strstr((char *)gettail(p_sh), |
| 5368 "sh") != NULL) | |
| 5369 shell_style = STYLE_VIMGLOB; | |
| 5370 | |
| 5371 /* Compute the length of the command. We need 2 extra bytes: for the | |
| 5372 * optional '&' and for the NUL. | |
| 5373 * Worst case: "unset nonomatch; print -N >" plus two is 29 */ | |
| 7 | 5374 len = STRLEN(tempname) + 29; |
| 1508 | 5375 if (shell_style == STYLE_VIMGLOB) |
| 5376 len += STRLEN(sh_vimglob_func); | |
| 5377 | |
| 147 | 5378 for (i = 0; i < num_pat; ++i) |
| 5379 { | |
| 5380 /* Count the length of the patterns in the same way as they are put in | |
| 5381 * "command" below. */ | |
| 5382 #ifdef USE_SYSTEM | |
| 7 | 5383 len += STRLEN(pat[i]) + 3; /* add space and two quotes */ |
| 147 | 5384 #else |
| 5385 ++len; /* add space */ | |
| 628 | 5386 for (j = 0; pat[i][j] != NUL; ++j) |
| 5387 { | |
| 5388 if (vim_strchr(SHELL_SPECIAL, pat[i][j]) != NULL) | |
| 5389 ++len; /* may add a backslash */ | |
| 5390 ++len; | |
| 5391 } | |
| 147 | 5392 #endif |
| 5393 } | |
| 7 | 5394 command = alloc(len); |
| 5395 if (command == NULL) | |
| 5396 { | |
| 5397 /* out of memory */ | |
| 5398 vim_free(tempname); | |
| 5399 return FAIL; | |
| 5400 } | |
| 5401 | |
| 5402 /* | |
| 5403 * Build the shell command: | |
| 5404 * - Set $nonomatch depending on EW_NOTFOUND (hopefully the shell | |
| 5405 * recognizes this). | |
| 5406 * - Add the shell command to print the expanded names. | |
| 5407 * - Add the temp file name. | |
| 5408 * - Add the file name patterns. | |
| 5409 */ | |
| 5410 if (shell_style == STYLE_BT) | |
| 5411 { | |
| 628 | 5412 /* change `command; command& ` to (command; command ) */ |
| 5413 STRCPY(command, "("); | |
| 5414 STRCAT(command, pat[0] + 1); /* exclude first backtick */ | |
| 7 | 5415 p = command + STRLEN(command) - 1; |
| 628 | 5416 *p-- = ')'; /* remove last backtick */ |
| 7 | 5417 while (p > command && vim_iswhite(*p)) |
| 5418 --p; | |
| 5419 if (*p == '&') /* remove trailing '&' */ | |
| 5420 { | |
| 5421 ampersent = TRUE; | |
| 5422 *p = ' '; | |
| 5423 } | |
| 5424 STRCAT(command, ">"); | |
| 5425 } | |
| 5426 else | |
| 5427 { | |
| 5428 if (flags & EW_NOTFOUND) | |
| 5429 STRCPY(command, "set nonomatch; "); | |
| 5430 else | |
| 5431 STRCPY(command, "unset nonomatch; "); | |
| 5432 if (shell_style == STYLE_GLOB) | |
| 5433 STRCAT(command, "glob >"); | |
| 5434 else if (shell_style == STYLE_PRINT) | |
| 5435 STRCAT(command, "print -N >"); | |
| 1508 | 5436 else if (shell_style == STYLE_VIMGLOB) |
| 5437 STRCAT(command, sh_vimglob_func); | |
| 7 | 5438 else |
| 5439 STRCAT(command, "echo >"); | |
| 5440 } | |
| 1508 | 5441 |
| 7 | 5442 STRCAT(command, tempname); |
| 1508 | 5443 |
| 7 | 5444 if (shell_style != STYLE_BT) |
| 5445 for (i = 0; i < num_pat; ++i) | |
| 5446 { | |
| 5447 /* When using system() always add extra quotes, because the shell | |
| 628 | 5448 * is started twice. Otherwise put a backslash before special |
| 1450 | 5449 * characters, except inside ``. */ |
| 7 | 5450 #ifdef USE_SYSTEM |
| 5451 STRCAT(command, " \""); | |
| 5452 STRCAT(command, pat[i]); | |
| 5453 STRCAT(command, "\""); | |
| 5454 #else | |
| 233 | 5455 int intick = FALSE; |
| 5456 | |
| 7 | 5457 p = command + STRLEN(command); |
| 5458 *p++ = ' '; | |
| 628 | 5459 for (j = 0; pat[i][j] != NUL; ++j) |
| 233 | 5460 { |
| 5461 if (pat[i][j] == '`') | |
| 5462 intick = !intick; | |
| 628 | 5463 else if (pat[i][j] == '\\' && pat[i][j + 1] != NUL) |
| 5464 { | |
| 644 | 5465 /* Remove a backslash, take char literally. But keep |
| 652 | 5466 * backslash inside backticks, before a special character |
| 5467 * and before a backtick. */ | |
| 644 | 5468 if (intick |
| 652 | 5469 || vim_strchr(SHELL_SPECIAL, pat[i][j + 1]) != NULL |
| 5470 || pat[i][j + 1] == '`') | |
| 644 | 5471 *p++ = '\\'; |
| 648 | 5472 ++j; |
| 628 | 5473 } |
| 5474 else if (!intick && vim_strchr(SHELL_SPECIAL, | |
| 233 | 5475 pat[i][j]) != NULL) |
| 628 | 5476 /* Put a backslash before a special character, but not |
| 5477 * when inside ``. */ | |
| 5478 *p++ = '\\'; | |
| 648 | 5479 |
| 5480 /* Copy one character. */ | |
| 5481 *p++ = pat[i][j]; | |
| 233 | 5482 } |
| 7 | 5483 *p = NUL; |
| 5484 #endif | |
| 5485 } | |
| 5486 if (flags & EW_SILENT) | |
| 5487 show_shell_mess = FALSE; | |
| 5488 if (ampersent) | |
| 1508 | 5489 STRCAT(command, "&"); /* put the '&' after the redirection */ |
| 7 | 5490 |
| 5491 /* | |
| 5492 * Using zsh -G: If a pattern has no matches, it is just deleted from | |
| 5493 * the argument list, otherwise zsh gives an error message and doesn't | |
| 5494 * expand any other pattern. | |
| 5495 */ | |
| 5496 if (shell_style == STYLE_PRINT) | |
| 5497 extra_shell_arg = (char_u *)"-G"; /* Use zsh NULL_GLOB option */ | |
| 5498 | |
| 5499 /* | |
| 5500 * If we use -f then shell variables set in .cshrc won't get expanded. | |
| 5501 * vi can do it, so we will too, but it is only necessary if there is a "$" | |
| 5502 * in one of the patterns, otherwise we can still use the fast option. | |
| 5503 */ | |
| 5504 else if (shell_style == STYLE_GLOB && !have_dollars(num_pat, pat)) | |
| 5505 extra_shell_arg = (char_u *)"-f"; /* Use csh fast option */ | |
| 5506 | |
| 5507 /* | |
| 5508 * execute the shell command | |
| 5509 */ | |
| 5510 i = call_shell(command, SHELL_EXPAND | SHELL_SILENT); | |
| 5511 | |
| 5512 /* When running in the background, give it some time to create the temp | |
| 5513 * file, but don't wait for it to finish. */ | |
| 5514 if (ampersent) | |
| 5515 mch_delay(10L, TRUE); | |
| 5516 | |
| 5517 extra_shell_arg = NULL; /* cleanup */ | |
| 5518 show_shell_mess = TRUE; | |
| 5519 vim_free(command); | |
| 5520 | |
| 1508 | 5521 if (i != 0) /* mch_call_shell() failed */ |
| 7 | 5522 { |
| 5523 mch_remove(tempname); | |
| 5524 vim_free(tempname); | |
| 5525 /* | |
| 5526 * With interactive completion, the error message is not printed. | |
| 5527 * However with USE_SYSTEM, I don't know how to turn off error messages | |
| 5528 * from the shell, so screen may still get messed up -- webb. | |
| 5529 */ | |
| 5530 #ifndef USE_SYSTEM | |
| 5531 if (!(flags & EW_SILENT)) | |
| 5532 #endif | |
| 5533 { | |
| 5534 redraw_later_clear(); /* probably messed up screen */ | |
| 5535 msg_putchar('\n'); /* clear bottom line quickly */ | |
| 5536 cmdline_row = Rows - 1; /* continue on last line */ | |
| 5537 #ifdef USE_SYSTEM | |
| 5538 if (!(flags & EW_SILENT)) | |
| 5539 #endif | |
| 5540 { | |
| 5541 MSG(_(e_wildexpand)); | |
| 5542 msg_start(); /* don't overwrite this message */ | |
| 5543 } | |
| 5544 } | |
| 5545 /* If a `cmd` expansion failed, don't list `cmd` as a match, even when | |
| 5546 * EW_NOTFOUND is given */ | |
| 5547 if (shell_style == STYLE_BT) | |
| 5548 return FAIL; | |
| 5549 goto notfound; | |
| 5550 } | |
| 5551 | |
| 5552 /* | |
| 5553 * read the names from the file into memory | |
| 5554 */ | |
| 5555 fd = fopen((char *)tempname, READBIN); | |
| 5556 if (fd == NULL) | |
| 5557 { | |
| 5558 /* Something went wrong, perhaps a file name with a special char. */ | |
| 5559 if (!(flags & EW_SILENT)) | |
| 5560 { | |
| 5561 MSG(_(e_wildexpand)); | |
| 5562 msg_start(); /* don't overwrite this message */ | |
| 5563 } | |
| 5564 vim_free(tempname); | |
| 5565 goto notfound; | |
| 5566 } | |
| 5567 fseek(fd, 0L, SEEK_END); | |
| 5568 len = ftell(fd); /* get size of temp file */ | |
| 5569 fseek(fd, 0L, SEEK_SET); | |
| 5570 buffer = alloc(len + 1); | |
| 5571 if (buffer == NULL) | |
| 5572 { | |
| 5573 /* out of memory */ | |
| 5574 mch_remove(tempname); | |
| 5575 vim_free(tempname); | |
| 5576 fclose(fd); | |
| 5577 return FAIL; | |
| 5578 } | |
| 5579 i = fread((char *)buffer, 1, len, fd); | |
| 5580 fclose(fd); | |
| 5581 mch_remove(tempname); | |
| 1877 | 5582 if (i != (int)len) |
| 7 | 5583 { |
| 5584 /* unexpected read error */ | |
| 5585 EMSG2(_(e_notread), tempname); | |
| 5586 vim_free(tempname); | |
| 5587 vim_free(buffer); | |
| 5588 return FAIL; | |
| 5589 } | |
| 5590 vim_free(tempname); | |
| 5591 | |
| 1508 | 5592 # if defined(__CYGWIN__) || defined(__CYGWIN32__) |
| 7 | 5593 /* Translate <CR><NL> into <NL>. Caution, buffer may contain NUL. */ |
| 5594 p = buffer; | |
| 5595 for (i = 0; i < len; ++i) | |
| 5596 if (!(buffer[i] == CAR && buffer[i + 1] == NL)) | |
| 5597 *p++ = buffer[i]; | |
| 5598 len = p - buffer; | |
| 5599 # endif | |
| 5600 | |
| 5601 | |
| 5602 /* file names are separated with Space */ | |
| 5603 if (shell_style == STYLE_ECHO) | |
| 5604 { | |
| 5605 buffer[len] = '\n'; /* make sure the buffer ends in NL */ | |
| 5606 p = buffer; | |
| 5607 for (i = 0; *p != '\n'; ++i) /* count number of entries */ | |
| 5608 { | |
| 5609 while (*p != ' ' && *p != '\n') | |
| 5610 ++p; | |
| 5611 p = skipwhite(p); /* skip to next entry */ | |
| 5612 } | |
| 5613 } | |
| 5614 /* file names are separated with NL */ | |
| 1508 | 5615 else if (shell_style == STYLE_BT || shell_style == STYLE_VIMGLOB) |
| 7 | 5616 { |
| 5617 buffer[len] = NUL; /* make sure the buffer ends in NUL */ | |
| 5618 p = buffer; | |
| 5619 for (i = 0; *p != NUL; ++i) /* count number of entries */ | |
| 5620 { | |
| 5621 while (*p != '\n' && *p != NUL) | |
| 5622 ++p; | |
| 5623 if (*p != NUL) | |
| 5624 ++p; | |
| 5625 p = skipwhite(p); /* skip leading white space */ | |
| 5626 } | |
| 5627 } | |
| 5628 /* file names are separated with NUL */ | |
| 5629 else | |
| 5630 { | |
| 5631 /* | |
| 5632 * Some versions of zsh use spaces instead of NULs to separate | |
| 5633 * results. Only do this when there is no NUL before the end of the | |
| 5634 * buffer, otherwise we would never be able to use file names with | |
| 5635 * embedded spaces when zsh does use NULs. | |
| 5636 * When we found a NUL once, we know zsh is OK, set did_find_nul and | |
| 5637 * don't check for spaces again. | |
| 5638 */ | |
| 5639 check_spaces = FALSE; | |
| 5640 if (shell_style == STYLE_PRINT && !did_find_nul) | |
| 5641 { | |
| 5642 /* If there is a NUL, set did_find_nul, else set check_spaces */ | |
| 1877 | 5643 if (len && (int)STRLEN(buffer) < (int)len - 1) |
| 7 | 5644 did_find_nul = TRUE; |
| 5645 else | |
| 5646 check_spaces = TRUE; | |
| 5647 } | |
| 5648 | |
| 5649 /* | |
| 5650 * Make sure the buffer ends with a NUL. For STYLE_PRINT there | |
| 5651 * already is one, for STYLE_GLOB it needs to be added. | |
| 5652 */ | |
| 5653 if (len && buffer[len - 1] == NUL) | |
| 5654 --len; | |
| 5655 else | |
| 5656 buffer[len] = NUL; | |
| 5657 i = 0; | |
| 5658 for (p = buffer; p < buffer + len; ++p) | |
| 5659 if (*p == NUL || (*p == ' ' && check_spaces)) /* count entry */ | |
| 5660 { | |
| 5661 ++i; | |
| 5662 *p = NUL; | |
| 5663 } | |
| 5664 if (len) | |
| 5665 ++i; /* count last entry */ | |
| 5666 } | |
| 5667 if (i == 0) | |
| 5668 { | |
| 5669 /* | |
| 5670 * Can happen when using /bin/sh and typing ":e $NO_SUCH_VAR^I". | |
| 5671 * /bin/sh will happily expand it to nothing rather than returning an | |
| 5672 * error; and hey, it's good to check anyway -- webb. | |
| 5673 */ | |
| 5674 vim_free(buffer); | |
| 5675 goto notfound; | |
| 5676 } | |
| 5677 *num_file = i; | |
| 5678 *file = (char_u **)alloc(sizeof(char_u *) * i); | |
| 5679 if (*file == NULL) | |
| 5680 { | |
| 5681 /* out of memory */ | |
| 5682 vim_free(buffer); | |
| 5683 return FAIL; | |
| 5684 } | |
| 5685 | |
| 5686 /* | |
| 5687 * Isolate the individual file names. | |
| 5688 */ | |
| 5689 p = buffer; | |
| 5690 for (i = 0; i < *num_file; ++i) | |
| 5691 { | |
| 5692 (*file)[i] = p; | |
| 5693 /* Space or NL separates */ | |
| 1508 | 5694 if (shell_style == STYLE_ECHO || shell_style == STYLE_BT |
| 5695 || shell_style == STYLE_VIMGLOB) | |
| 7 | 5696 { |
| 652 | 5697 while (!(shell_style == STYLE_ECHO && *p == ' ') |
| 5698 && *p != '\n' && *p != NUL) | |
| 7 | 5699 ++p; |
| 5700 if (p == buffer + len) /* last entry */ | |
| 5701 *p = NUL; | |
| 5702 else | |
| 5703 { | |
| 5704 *p++ = NUL; | |
| 5705 p = skipwhite(p); /* skip to next entry */ | |
| 5706 } | |
| 5707 } | |
| 5708 else /* NUL separates */ | |
| 5709 { | |
| 5710 while (*p && p < buffer + len) /* skip entry */ | |
| 5711 ++p; | |
| 5712 ++p; /* skip NUL */ | |
| 5713 } | |
| 5714 } | |
| 5715 | |
| 5716 /* | |
| 5717 * Move the file names to allocated memory. | |
| 5718 */ | |
| 5719 for (j = 0, i = 0; i < *num_file; ++i) | |
| 5720 { | |
| 5721 /* Require the files to exist. Helps when using /bin/sh */ | |
| 5722 if (!(flags & EW_NOTFOUND) && mch_getperm((*file)[i]) < 0) | |
| 5723 continue; | |
| 5724 | |
| 5725 /* check if this entry should be included */ | |
| 5726 dir = (mch_isdir((*file)[i])); | |
| 5727 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
| 5728 continue; | |
| 5729 | |
| 715 | 5730 /* Skip files that are not executable if we check for that. */ |
| 5731 if (!dir && (flags & EW_EXEC) && !mch_can_exe((*file)[i])) | |
| 5732 continue; | |
| 5733 | |
| 7 | 5734 p = alloc((unsigned)(STRLEN((*file)[i]) + 1 + dir)); |
| 5735 if (p) | |
| 5736 { | |
| 5737 STRCPY(p, (*file)[i]); | |
| 5738 if (dir) | |
| 1479 | 5739 add_pathsep(p); /* add '/' to a directory name */ |
| 7 | 5740 (*file)[j++] = p; |
| 5741 } | |
| 5742 } | |
| 5743 vim_free(buffer); | |
| 5744 *num_file = j; | |
| 5745 | |
| 5746 if (*num_file == 0) /* rejected all entries */ | |
| 5747 { | |
| 5748 vim_free(*file); | |
| 5749 *file = NULL; | |
| 5750 goto notfound; | |
| 5751 } | |
| 5752 | |
| 5753 return OK; | |
| 5754 | |
| 5755 notfound: | |
| 5756 if (flags & EW_NOTFOUND) | |
| 5757 return save_patterns(num_pat, pat, num_file, file); | |
| 5758 return FAIL; | |
| 5759 | |
| 5760 #endif /* __EMX__ */ | |
| 5761 } | |
| 5762 | |
| 5763 #endif /* VMS */ | |
| 5764 | |
| 5765 #ifndef __EMX__ | |
| 5766 static int | |
| 5767 save_patterns(num_pat, pat, num_file, file) | |
| 5768 int num_pat; | |
| 5769 char_u **pat; | |
| 5770 int *num_file; | |
| 5771 char_u ***file; | |
| 5772 { | |
| 5773 int i; | |
| 99 | 5774 char_u *s; |
| 7 | 5775 |
| 5776 *file = (char_u **)alloc(num_pat * sizeof(char_u *)); | |
| 5777 if (*file == NULL) | |
| 5778 return FAIL; | |
| 5779 for (i = 0; i < num_pat; i++) | |
| 99 | 5780 { |
| 5781 s = vim_strsave(pat[i]); | |
| 5782 if (s != NULL) | |
| 5783 /* Be compatible with expand_filename(): halve the number of | |
| 5784 * backslashes. */ | |
| 5785 backslash_halve(s); | |
| 5786 (*file)[i] = s; | |
| 5787 } | |
| 7 | 5788 *num_file = num_pat; |
| 5789 return OK; | |
| 5790 } | |
| 5791 #endif | |
| 5792 | |
| 5793 | |
| 5794 /* | |
| 5795 * Return TRUE if the string "p" contains a wildcard that mch_expandpath() can | |
| 5796 * expand. | |
| 5797 */ | |
| 5798 int | |
| 5799 mch_has_exp_wildcard(p) | |
| 5800 char_u *p; | |
| 5801 { | |
| 39 | 5802 for ( ; *p; mb_ptr_adv(p)) |
| 7 | 5803 { |
| 5804 #ifndef OS2 | |
| 5805 if (*p == '\\' && p[1] != NUL) | |
| 5806 ++p; | |
| 5807 else | |
| 5808 #endif | |
| 5809 if (vim_strchr((char_u *) | |
| 5810 #ifdef VMS | |
| 5811 "*?%" | |
| 5812 #else | |
| 5813 # ifdef OS2 | |
| 5814 "*?" | |
| 5815 # else | |
| 5816 "*?[{'" | |
| 5817 # endif | |
| 5818 #endif | |
| 5819 , *p) != NULL) | |
| 5820 return TRUE; | |
| 5821 } | |
| 5822 return FALSE; | |
| 5823 } | |
| 5824 | |
| 5825 /* | |
| 5826 * Return TRUE if the string "p" contains a wildcard. | |
| 5827 * Don't recognize '~' at the end as a wildcard. | |
| 5828 */ | |
| 5829 int | |
| 5830 mch_has_wildcard(p) | |
| 5831 char_u *p; | |
| 5832 { | |
| 39 | 5833 for ( ; *p; mb_ptr_adv(p)) |
| 7 | 5834 { |
| 5835 #ifndef OS2 | |
| 5836 if (*p == '\\' && p[1] != NUL) | |
| 5837 ++p; | |
| 5838 else | |
| 5839 #endif | |
| 5840 if (vim_strchr((char_u *) | |
| 5841 #ifdef VMS | |
| 5842 "*?%$" | |
| 5843 #else | |
| 5844 # ifdef OS2 | |
| 5845 # ifdef VIM_BACKTICK | |
| 5846 "*?$`" | |
| 5847 # else | |
| 5848 "*?$" | |
| 5849 # endif | |
| 5850 # else | |
| 5851 "*?[{`'$" | |
| 5852 # endif | |
| 5853 #endif | |
| 5854 , *p) != NULL | |
| 5855 || (*p == '~' && p[1] != NUL)) | |
| 5856 return TRUE; | |
| 5857 } | |
| 5858 return FALSE; | |
| 5859 } | |
| 5860 | |
| 5861 #ifndef __EMX__ | |
| 5862 static int | |
| 5863 have_wildcard(num, file) | |
| 5864 int num; | |
| 5865 char_u **file; | |
| 5866 { | |
| 5867 int i; | |
| 5868 | |
| 5869 for (i = 0; i < num; i++) | |
| 5870 if (mch_has_wildcard(file[i])) | |
| 5871 return 1; | |
| 5872 return 0; | |
| 5873 } | |
| 5874 | |
| 5875 static int | |
| 5876 have_dollars(num, file) | |
| 5877 int num; | |
| 5878 char_u **file; | |
| 5879 { | |
| 5880 int i; | |
| 5881 | |
| 5882 for (i = 0; i < num; i++) | |
| 5883 if (vim_strchr(file[i], '$') != NULL) | |
| 5884 return TRUE; | |
| 5885 return FALSE; | |
| 5886 } | |
| 5887 #endif /* ifndef __EMX__ */ | |
| 5888 | |
| 5889 #ifndef HAVE_RENAME | |
| 5890 /* | |
| 5891 * Scaled-down version of rename(), which is missing in Xenix. | |
| 5892 * This version can only move regular files and will fail if the | |
| 5893 * destination exists. | |
| 5894 */ | |
| 5895 int | |
| 5896 mch_rename(src, dest) | |
| 5897 const char *src, *dest; | |
| 5898 { | |
| 5899 struct stat st; | |
| 5900 | |
| 5901 if (stat(dest, &st) >= 0) /* fail if destination exists */ | |
| 5902 return -1; | |
| 5903 if (link(src, dest) != 0) /* link file to new name */ | |
| 5904 return -1; | |
| 5905 if (mch_remove(src) == 0) /* delete link to old name */ | |
| 5906 return 0; | |
| 5907 return -1; | |
| 5908 } | |
| 5909 #endif /* !HAVE_RENAME */ | |
| 5910 | |
| 5911 #ifdef FEAT_MOUSE_GPM | |
| 5912 /* | |
| 5913 * Initializes connection with gpm (if it isn't already opened) | |
| 5914 * Return 1 if succeeded (or connection already opened), 0 if failed | |
| 5915 */ | |
| 5916 static int | |
| 5917 gpm_open() | |
| 5918 { | |
| 5919 static Gpm_Connect gpm_connect; /* Must it be kept till closing ? */ | |
| 5920 | |
| 5921 if (!gpm_flag) | |
| 5922 { | |
| 5923 gpm_connect.eventMask = (GPM_UP | GPM_DRAG | GPM_DOWN); | |
| 5924 gpm_connect.defaultMask = ~GPM_HARD; | |
| 5925 /* Default handling for mouse move*/ | |
| 5926 gpm_connect.minMod = 0; /* Handle any modifier keys */ | |
| 5927 gpm_connect.maxMod = 0xffff; | |
| 5928 if (Gpm_Open(&gpm_connect, 0) > 0) | |
| 5929 { | |
| 5930 /* gpm library tries to handling TSTP causes | |
| 5931 * problems. Anyways, we close connection to Gpm whenever | |
| 5932 * we are going to suspend or starting an external process | |
| 1450 | 5933 * so we shouldn't have problem with this |
| 7 | 5934 */ |
| 1832 | 5935 # ifdef SIGTSTP |
| 7 | 5936 signal(SIGTSTP, restricted ? SIG_IGN : SIG_DFL); |
| 1832 | 5937 # endif |
| 7 | 5938 return 1; /* succeed */ |
| 5939 } | |
| 5940 if (gpm_fd == -2) | |
| 5941 Gpm_Close(); /* We don't want to talk to xterm via gpm */ | |
| 5942 return 0; | |
| 5943 } | |
| 5944 return 1; /* already open */ | |
| 5945 } | |
| 5946 | |
| 5947 /* | |
| 5948 * Closes connection to gpm | |
| 5949 */ | |
| 5950 static void | |
| 5951 gpm_close() | |
| 5952 { | |
| 5953 if (gpm_flag && gpm_fd >= 0) /* if Open */ | |
| 5954 Gpm_Close(); | |
| 5955 } | |
| 5956 | |
| 5957 /* Reads gpm event and adds special keys to input buf. Returns length of | |
| 5958 * generated key sequence. | |
| 5959 * This function is made after gui_send_mouse_event | |
| 5960 */ | |
| 5961 static int | |
| 5962 mch_gpm_process() | |
| 5963 { | |
| 5964 int button; | |
| 5965 static Gpm_Event gpm_event; | |
| 5966 char_u string[6]; | |
| 5967 int_u vim_modifiers; | |
| 5968 int row,col; | |
| 5969 unsigned char buttons_mask; | |
| 5970 unsigned char gpm_modifiers; | |
| 5971 static unsigned char old_buttons = 0; | |
| 5972 | |
| 5973 Gpm_GetEvent(&gpm_event); | |
| 5974 | |
| 5975 #ifdef FEAT_GUI | |
| 5976 /* Don't put events in the input queue now. */ | |
| 5977 if (hold_gui_events) | |
| 5978 return 0; | |
| 5979 #endif | |
| 5980 | |
| 5981 row = gpm_event.y - 1; | |
| 5982 col = gpm_event.x - 1; | |
| 5983 | |
| 5984 string[0] = ESC; /* Our termcode */ | |
| 5985 string[1] = 'M'; | |
| 5986 string[2] = 'G'; | |
| 5987 switch (GPM_BARE_EVENTS(gpm_event.type)) | |
| 5988 { | |
| 5989 case GPM_DRAG: | |
| 5990 string[3] = MOUSE_DRAG; | |
| 5991 break; | |
| 5992 case GPM_DOWN: | |
| 5993 buttons_mask = gpm_event.buttons & ~old_buttons; | |
| 5994 old_buttons = gpm_event.buttons; | |
| 5995 switch (buttons_mask) | |
| 5996 { | |
| 5997 case GPM_B_LEFT: | |
| 5998 button = MOUSE_LEFT; | |
| 5999 break; | |
| 6000 case GPM_B_MIDDLE: | |
| 6001 button = MOUSE_MIDDLE; | |
| 6002 break; | |
| 6003 case GPM_B_RIGHT: | |
| 6004 button = MOUSE_RIGHT; | |
| 6005 break; | |
| 6006 default: | |
| 6007 return 0; | |
| 6008 /*Don't know what to do. Can more than one button be | |
| 6009 * reported in one event? */ | |
| 6010 } | |
| 6011 string[3] = (char_u)(button | 0x20); | |
| 6012 SET_NUM_MOUSE_CLICKS(string[3], gpm_event.clicks + 1); | |
| 6013 break; | |
| 6014 case GPM_UP: | |
| 6015 string[3] = MOUSE_RELEASE; | |
| 6016 old_buttons &= ~gpm_event.buttons; | |
| 6017 break; | |
| 6018 default: | |
| 6019 return 0; | |
| 6020 } | |
| 6021 /*This code is based on gui_x11_mouse_cb in gui_x11.c */ | |
| 6022 gpm_modifiers = gpm_event.modifiers; | |
| 6023 vim_modifiers = 0x0; | |
| 6024 /* I ignore capslock stats. Aren't we all just hate capslock mixing with | |
| 6025 * Vim commands ? Besides, gpm_event.modifiers is unsigned char, and | |
| 6026 * K_CAPSSHIFT is defined 8, so it probably isn't even reported | |
| 6027 */ | |
| 6028 if (gpm_modifiers & ((1 << KG_SHIFT) | (1 << KG_SHIFTR) | (1 << KG_SHIFTL))) | |
| 6029 vim_modifiers |= MOUSE_SHIFT; | |
| 6030 | |
| 6031 if (gpm_modifiers & ((1 << KG_CTRL) | (1 << KG_CTRLR) | (1 << KG_CTRLL))) | |
| 6032 vim_modifiers |= MOUSE_CTRL; | |
| 6033 if (gpm_modifiers & ((1 << KG_ALT) | (1 << KG_ALTGR))) | |
| 6034 vim_modifiers |= MOUSE_ALT; | |
| 6035 string[3] |= vim_modifiers; | |
| 6036 string[4] = (char_u)(col + ' ' + 1); | |
| 6037 string[5] = (char_u)(row + ' ' + 1); | |
| 6038 add_to_input_buf(string, 6); | |
| 6039 return 6; | |
| 6040 } | |
| 6041 #endif /* FEAT_MOUSE_GPM */ | |
| 6042 | |
| 1620 | 6043 #ifdef FEAT_SYSMOUSE |
| 6044 /* | |
| 6045 * Initialize connection with sysmouse. | |
| 6046 * Let virtual console inform us with SIGUSR2 for pending sysmouse | |
| 6047 * output, any sysmouse output than will be processed via sig_sysmouse(). | |
| 6048 * Return OK if succeeded, FAIL if failed. | |
| 6049 */ | |
| 6050 static int | |
| 6051 sysmouse_open() | |
| 6052 { | |
| 6053 struct mouse_info mouse; | |
| 6054 | |
| 6055 mouse.operation = MOUSE_MODE; | |
| 6056 mouse.u.mode.mode = 0; | |
| 6057 mouse.u.mode.signal = SIGUSR2; | |
| 6058 if (ioctl(1, CONS_MOUSECTL, &mouse) != -1) | |
| 6059 { | |
| 6060 signal(SIGUSR2, (RETSIGTYPE (*)())sig_sysmouse); | |
| 6061 mouse.operation = MOUSE_SHOW; | |
| 6062 ioctl(1, CONS_MOUSECTL, &mouse); | |
| 6063 return OK; | |
| 6064 } | |
| 6065 return FAIL; | |
| 6066 } | |
| 6067 | |
| 6068 /* | |
| 6069 * Stop processing SIGUSR2 signals, and also make sure that | |
| 6070 * virtual console do not send us any sysmouse related signal. | |
| 6071 */ | |
| 6072 static void | |
| 6073 sysmouse_close() | |
| 6074 { | |
| 6075 struct mouse_info mouse; | |
| 6076 | |
| 6077 signal(SIGUSR2, restricted ? SIG_IGN : SIG_DFL); | |
| 6078 mouse.operation = MOUSE_MODE; | |
| 6079 mouse.u.mode.mode = 0; | |
| 6080 mouse.u.mode.signal = 0; | |
| 6081 ioctl(1, CONS_MOUSECTL, &mouse); | |
| 6082 } | |
| 6083 | |
| 6084 /* | |
| 6085 * Gets info from sysmouse and adds special keys to input buf. | |
| 6086 */ | |
| 6087 static RETSIGTYPE | |
| 6088 sig_sysmouse SIGDEFARG(sigarg) | |
| 6089 { | |
| 6090 struct mouse_info mouse; | |
| 6091 struct video_info video; | |
| 6092 char_u string[6]; | |
| 6093 int row, col; | |
| 6094 int button; | |
| 6095 int buttons; | |
| 6096 static int oldbuttons = 0; | |
| 6097 | |
| 6098 #ifdef FEAT_GUI | |
| 6099 /* Don't put events in the input queue now. */ | |
| 6100 if (hold_gui_events) | |
| 6101 return; | |
| 6102 #endif | |
| 6103 | |
| 6104 mouse.operation = MOUSE_GETINFO; | |
| 6105 if (ioctl(1, FBIO_GETMODE, &video.vi_mode) != -1 | |
| 6106 && ioctl(1, FBIO_MODEINFO, &video) != -1 | |
| 6107 && ioctl(1, CONS_MOUSECTL, &mouse) != -1 | |
| 6108 && video.vi_cheight > 0 && video.vi_cwidth > 0) | |
| 6109 { | |
| 6110 row = mouse.u.data.y / video.vi_cheight; | |
| 6111 col = mouse.u.data.x / video.vi_cwidth; | |
| 6112 buttons = mouse.u.data.buttons; | |
| 6113 string[0] = ESC; /* Our termcode */ | |
| 6114 string[1] = 'M'; | |
| 6115 string[2] = 'S'; | |
| 6116 if (oldbuttons == buttons && buttons != 0) | |
| 6117 { | |
| 6118 button = MOUSE_DRAG; | |
| 6119 } | |
| 6120 else | |
| 6121 { | |
| 6122 switch (buttons) | |
| 6123 { | |
| 6124 case 0: | |
| 6125 button = MOUSE_RELEASE; | |
| 6126 break; | |
| 6127 case 1: | |
| 6128 button = MOUSE_LEFT; | |
| 6129 break; | |
| 6130 case 2: | |
| 6131 button = MOUSE_MIDDLE; | |
| 6132 break; | |
| 6133 case 4: | |
| 6134 button = MOUSE_RIGHT; | |
| 6135 break; | |
| 6136 default: | |
| 6137 return; | |
| 6138 } | |
| 6139 oldbuttons = buttons; | |
| 6140 } | |
| 6141 string[3] = (char_u)(button); | |
| 6142 string[4] = (char_u)(col + ' ' + 1); | |
| 6143 string[5] = (char_u)(row + ' ' + 1); | |
| 6144 add_to_input_buf(string, 6); | |
| 6145 } | |
| 6146 return; | |
| 6147 } | |
| 6148 #endif /* FEAT_SYSMOUSE */ | |
| 6149 | |
| 7 | 6150 #if defined(FEAT_LIBCALL) || defined(PROTO) |
| 6151 typedef char_u * (*STRPROCSTR)__ARGS((char_u *)); | |
| 6152 typedef char_u * (*INTPROCSTR)__ARGS((int)); | |
| 6153 typedef int (*STRPROCINT)__ARGS((char_u *)); | |
| 6154 typedef int (*INTPROCINT)__ARGS((int)); | |
| 6155 | |
| 6156 /* | |
| 6157 * Call a DLL routine which takes either a string or int param | |
| 6158 * and returns an allocated string. | |
| 6159 */ | |
| 6160 int | |
| 6161 mch_libcall(libname, funcname, argstring, argint, string_result, number_result) | |
| 6162 char_u *libname; | |
| 6163 char_u *funcname; | |
| 6164 char_u *argstring; /* NULL when using a argint */ | |
| 6165 int argint; | |
| 6166 char_u **string_result;/* NULL when using number_result */ | |
| 6167 int *number_result; | |
| 6168 { | |
| 6169 # if defined(USE_DLOPEN) | |
| 6170 void *hinstLib; | |
| 12 | 6171 char *dlerr = NULL; |
| 7 | 6172 # else |
| 6173 shl_t hinstLib; | |
| 6174 # endif | |
| 6175 STRPROCSTR ProcAdd; | |
| 6176 INTPROCSTR ProcAddI; | |
| 6177 char_u *retval_str = NULL; | |
| 6178 int retval_int = 0; | |
| 6179 int success = FALSE; | |
| 6180 | |
| 900 | 6181 /* |
| 6182 * Get a handle to the DLL module. | |
| 6183 */ | |
| 7 | 6184 # if defined(USE_DLOPEN) |
| 900 | 6185 /* First clear any error, it's not cleared by the dlopen() call. */ |
| 6186 (void)dlerror(); | |
| 6187 | |
| 7 | 6188 hinstLib = dlopen((char *)libname, RTLD_LAZY |
| 6189 # ifdef RTLD_LOCAL | |
| 6190 | RTLD_LOCAL | |
| 6191 # endif | |
| 6192 ); | |
| 12 | 6193 if (hinstLib == NULL) |
| 6194 { | |
| 6195 /* "dlerr" must be used before dlclose() */ | |
| 6196 dlerr = (char *)dlerror(); | |
| 6197 if (dlerr != NULL) | |
| 6198 EMSG2(_("dlerror = \"%s\""), dlerr); | |
| 6199 } | |
| 7 | 6200 # else |
| 6201 hinstLib = shl_load((const char*)libname, BIND_IMMEDIATE|BIND_VERBOSE, 0L); | |
| 6202 # endif | |
| 6203 | |
| 6204 /* If the handle is valid, try to get the function address. */ | |
| 6205 if (hinstLib != NULL) | |
| 6206 { | |
| 6207 # ifdef HAVE_SETJMP_H | |
| 6208 /* | |
| 6209 * Catch a crash when calling the library function. For example when | |
| 6210 * using a number where a string pointer is expected. | |
| 6211 */ | |
| 6212 mch_startjmp(); | |
| 6213 if (SETJMP(lc_jump_env) != 0) | |
| 6214 { | |
| 6215 success = FALSE; | |
| 857 | 6216 # if defined(USE_DLOPEN) |
| 12 | 6217 dlerr = NULL; |
| 857 | 6218 # endif |
| 7 | 6219 mch_didjmp(); |
| 6220 } | |
| 6221 else | |
| 6222 # endif | |
| 6223 { | |
| 6224 retval_str = NULL; | |
| 6225 retval_int = 0; | |
| 6226 | |
| 6227 if (argstring != NULL) | |
| 6228 { | |
| 6229 # if defined(USE_DLOPEN) | |
| 6230 ProcAdd = (STRPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
| 12 | 6231 dlerr = (char *)dlerror(); |
| 7 | 6232 # else |
| 6233 if (shl_findsym(&hinstLib, (const char *)funcname, | |
| 6234 TYPE_PROCEDURE, (void *)&ProcAdd) < 0) | |
| 6235 ProcAdd = NULL; | |
| 6236 # endif | |
| 12 | 6237 if ((success = (ProcAdd != NULL |
| 6238 # if defined(USE_DLOPEN) | |
| 6239 && dlerr == NULL | |
| 6240 # endif | |
| 6241 ))) | |
| 7 | 6242 { |
| 6243 if (string_result == NULL) | |
| 6244 retval_int = ((STRPROCINT)ProcAdd)(argstring); | |
| 6245 else | |
| 6246 retval_str = (ProcAdd)(argstring); | |
| 6247 } | |
| 6248 } | |
| 6249 else | |
| 6250 { | |
| 6251 # if defined(USE_DLOPEN) | |
| 6252 ProcAddI = (INTPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
| 12 | 6253 dlerr = (char *)dlerror(); |
| 7 | 6254 # else |
| 6255 if (shl_findsym(&hinstLib, (const char *)funcname, | |
| 6256 TYPE_PROCEDURE, (void *)&ProcAddI) < 0) | |
| 6257 ProcAddI = NULL; | |
| 6258 # endif | |
| 12 | 6259 if ((success = (ProcAddI != NULL |
| 6260 # if defined(USE_DLOPEN) | |
| 6261 && dlerr == NULL | |
| 6262 # endif | |
| 6263 ))) | |
| 7 | 6264 { |
| 6265 if (string_result == NULL) | |
| 6266 retval_int = ((INTPROCINT)ProcAddI)(argint); | |
| 6267 else | |
| 6268 retval_str = (ProcAddI)(argint); | |
| 6269 } | |
| 6270 } | |
| 6271 | |
| 6272 /* Save the string before we free the library. */ | |
| 6273 /* Assume that a "1" or "-1" result is an illegal pointer. */ | |
| 6274 if (string_result == NULL) | |
| 6275 *number_result = retval_int; | |
| 6276 else if (retval_str != NULL | |
| 6277 && retval_str != (char_u *)1 | |
| 6278 && retval_str != (char_u *)-1) | |
| 6279 *string_result = vim_strsave(retval_str); | |
| 6280 } | |
| 6281 | |
| 6282 # ifdef HAVE_SETJMP_H | |
| 6283 mch_endjmp(); | |
| 6284 # ifdef SIGHASARG | |
| 6285 if (lc_signal != 0) | |
| 6286 { | |
| 6287 int i; | |
| 6288 | |
| 6289 /* try to find the name of this signal */ | |
| 6290 for (i = 0; signal_info[i].sig != -1; i++) | |
| 6291 if (lc_signal == signal_info[i].sig) | |
| 6292 break; | |
| 6293 EMSG2("E368: got SIG%s in libcall()", signal_info[i].name); | |
| 6294 } | |
| 6295 # endif | |
| 6296 # endif | |
| 6297 | |
| 12 | 6298 # if defined(USE_DLOPEN) |
| 6299 /* "dlerr" must be used before dlclose() */ | |
| 6300 if (dlerr != NULL) | |
| 6301 EMSG2(_("dlerror = \"%s\""), dlerr); | |
| 6302 | |
| 7 | 6303 /* Free the DLL module. */ |
| 6304 (void)dlclose(hinstLib); | |
| 6305 # else | |
| 6306 (void)shl_unload(hinstLib); | |
| 6307 # endif | |
| 6308 } | |
| 6309 | |
| 6310 if (!success) | |
| 6311 { | |
| 6312 EMSG2(_(e_libcall), funcname); | |
| 6313 return FAIL; | |
| 6314 } | |
| 6315 | |
| 6316 return OK; | |
| 6317 } | |
| 6318 #endif | |
| 6319 | |
| 6320 #if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) || defined(PROTO) | |
| 6321 static int xterm_trace = -1; /* default: disabled */ | |
| 6322 static int xterm_button; | |
| 6323 | |
| 6324 /* | |
| 6325 * Setup a dummy window for X selections in a terminal. | |
| 6326 */ | |
| 6327 void | |
| 6328 setup_term_clip() | |
| 6329 { | |
| 6330 int z = 0; | |
| 6331 char *strp = ""; | |
| 6332 Widget AppShell; | |
| 6333 | |
| 6334 if (!x_connect_to_server()) | |
| 6335 return; | |
| 6336 | |
| 6337 open_app_context(); | |
| 6338 if (app_context != NULL && xterm_Shell == (Widget)0) | |
| 6339 { | |
| 6340 int (*oldhandler)(); | |
| 6341 #if defined(HAVE_SETJMP_H) | |
| 6342 int (*oldIOhandler)(); | |
| 6343 #endif | |
| 6344 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 6345 struct timeval start_tv; | |
| 6346 | |
| 6347 if (p_verbose > 0) | |
| 6348 gettimeofday(&start_tv, NULL); | |
| 6349 # endif | |
| 6350 | |
| 6351 /* Ignore X errors while opening the display */ | |
| 6352 oldhandler = XSetErrorHandler(x_error_check); | |
| 6353 | |
| 6354 #if defined(HAVE_SETJMP_H) | |
| 6355 /* Ignore X IO errors while opening the display */ | |
| 6356 oldIOhandler = XSetIOErrorHandler(x_IOerror_check); | |
| 6357 mch_startjmp(); | |
| 6358 if (SETJMP(lc_jump_env) != 0) | |
| 6359 { | |
| 6360 mch_didjmp(); | |
| 6361 xterm_dpy = NULL; | |
| 6362 } | |
| 6363 else | |
| 6364 #endif | |
| 6365 { | |
| 6366 xterm_dpy = XtOpenDisplay(app_context, xterm_display, | |
| 6367 "vim_xterm", "Vim_xterm", NULL, 0, &z, &strp); | |
| 6368 #if defined(HAVE_SETJMP_H) | |
| 6369 mch_endjmp(); | |
| 6370 #endif | |
| 6371 } | |
| 6372 | |
| 6373 #if defined(HAVE_SETJMP_H) | |
| 6374 /* Now handle X IO errors normally. */ | |
| 6375 (void)XSetIOErrorHandler(oldIOhandler); | |
| 6376 #endif | |
| 6377 /* Now handle X errors normally. */ | |
| 6378 (void)XSetErrorHandler(oldhandler); | |
| 6379 | |
| 6380 if (xterm_dpy == NULL) | |
| 6381 { | |
| 6382 if (p_verbose > 0) | |
| 292 | 6383 verb_msg((char_u *)_("Opening the X display failed")); |
| 7 | 6384 return; |
| 6385 } | |
| 6386 | |
| 6387 /* Catch terminating error of the X server connection. */ | |
| 6388 (void)XSetIOErrorHandler(x_IOerror_handler); | |
| 6389 | |
| 6390 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
| 6391 if (p_verbose > 0) | |
| 292 | 6392 { |
| 6393 verbose_enter(); | |
| 7 | 6394 xopen_message(&start_tv); |
| 292 | 6395 verbose_leave(); |
| 6396 } | |
| 7 | 6397 # endif |
| 6398 | |
| 6399 /* Create a Shell to make converters work. */ | |
| 6400 AppShell = XtVaAppCreateShell("vim_xterm", "Vim_xterm", | |
| 6401 applicationShellWidgetClass, xterm_dpy, | |
| 6402 NULL); | |
| 6403 if (AppShell == (Widget)0) | |
| 6404 return; | |
| 6405 xterm_Shell = XtVaCreatePopupShell("VIM", | |
| 6406 topLevelShellWidgetClass, AppShell, | |
| 6407 XtNmappedWhenManaged, 0, | |
| 6408 XtNwidth, 1, | |
| 6409 XtNheight, 1, | |
| 6410 NULL); | |
| 6411 if (xterm_Shell == (Widget)0) | |
| 6412 return; | |
| 6413 | |
| 6414 x11_setup_atoms(xterm_dpy); | |
| 6415 if (x11_display == NULL) | |
| 6416 x11_display = xterm_dpy; | |
| 6417 | |
| 6418 XtRealizeWidget(xterm_Shell); | |
| 6419 XSync(xterm_dpy, False); | |
| 6420 xterm_update(); | |
| 6421 } | |
| 6422 if (xterm_Shell != (Widget)0) | |
| 6423 { | |
| 6424 clip_init(TRUE); | |
| 6425 if (x11_window == 0 && (strp = getenv("WINDOWID")) != NULL) | |
| 6426 x11_window = (Window)atol(strp); | |
| 6427 /* Check if $WINDOWID is valid. */ | |
| 6428 if (test_x11_window(xterm_dpy) == FAIL) | |
| 6429 x11_window = 0; | |
| 6430 if (x11_window != 0) | |
| 6431 xterm_trace = 0; | |
| 6432 } | |
| 6433 } | |
| 6434 | |
| 6435 void | |
| 6436 start_xterm_trace(button) | |
| 6437 int button; | |
| 6438 { | |
| 6439 if (x11_window == 0 || xterm_trace < 0 || xterm_Shell == (Widget)0) | |
| 6440 return; | |
| 6441 xterm_trace = 1; | |
| 6442 xterm_button = button; | |
| 6443 do_xterm_trace(); | |
| 6444 } | |
| 6445 | |
| 6446 | |
| 6447 void | |
| 6448 stop_xterm_trace() | |
| 6449 { | |
| 6450 if (xterm_trace < 0) | |
| 6451 return; | |
| 6452 xterm_trace = 0; | |
| 6453 } | |
| 6454 | |
| 6455 /* | |
| 6456 * Query the xterm pointer and generate mouse termcodes if necessary | |
| 6457 * return TRUE if dragging is active, else FALSE | |
| 6458 */ | |
| 6459 static int | |
| 6460 do_xterm_trace() | |
| 6461 { | |
| 6462 Window root, child; | |
| 6463 int root_x, root_y; | |
| 6464 int win_x, win_y; | |
| 6465 int row, col; | |
| 6466 int_u mask_return; | |
| 6467 char_u buf[50]; | |
| 6468 char_u *strp; | |
| 6469 long got_hints; | |
| 6470 static char_u *mouse_code; | |
| 6471 static char_u mouse_name[2] = {KS_MOUSE, KE_FILLER}; | |
| 6472 static int prev_row = 0, prev_col = 0; | |
| 6473 static XSizeHints xterm_hints; | |
| 6474 | |
| 6475 if (xterm_trace <= 0) | |
| 6476 return FALSE; | |
| 6477 | |
| 6478 if (xterm_trace == 1) | |
| 6479 { | |
| 6480 /* Get the hints just before tracking starts. The font size might | |
| 1510 | 6481 * have changed recently. */ |
| 6482 if (!XGetWMNormalHints(xterm_dpy, x11_window, &xterm_hints, &got_hints) | |
| 6483 || !(got_hints & PResizeInc) | |
| 7 | 6484 || xterm_hints.width_inc <= 1 |
| 6485 || xterm_hints.height_inc <= 1) | |
| 6486 { | |
| 6487 xterm_trace = -1; /* Not enough data -- disable tracing */ | |
| 6488 return FALSE; | |
| 6489 } | |
| 6490 | |
| 6491 /* Rely on the same mouse code for the duration of this */ | |
| 6492 mouse_code = find_termcode(mouse_name); | |
| 6493 prev_row = mouse_row; | |
| 6494 prev_row = mouse_col; | |
| 6495 xterm_trace = 2; | |
| 6496 | |
| 6497 /* Find the offset of the chars, there might be a scrollbar on the | |
| 6498 * left of the window and/or a menu on the top (eterm etc.) */ | |
| 6499 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
| 6500 &win_x, &win_y, &mask_return); | |
| 6501 xterm_hints.y = win_y - (xterm_hints.height_inc * mouse_row) | |
| 6502 - (xterm_hints.height_inc / 2); | |
| 6503 if (xterm_hints.y <= xterm_hints.height_inc / 2) | |
| 6504 xterm_hints.y = 2; | |
| 6505 xterm_hints.x = win_x - (xterm_hints.width_inc * mouse_col) | |
| 6506 - (xterm_hints.width_inc / 2); | |
| 6507 if (xterm_hints.x <= xterm_hints.width_inc / 2) | |
| 6508 xterm_hints.x = 2; | |
| 6509 return TRUE; | |
| 6510 } | |
| 6511 if (mouse_code == NULL) | |
| 6512 { | |
| 6513 xterm_trace = 0; | |
| 6514 return FALSE; | |
| 6515 } | |
| 6516 | |
| 6517 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
| 6518 &win_x, &win_y, &mask_return); | |
| 6519 | |
| 6520 row = check_row((win_y - xterm_hints.y) / xterm_hints.height_inc); | |
| 6521 col = check_col((win_x - xterm_hints.x) / xterm_hints.width_inc); | |
| 6522 if (row == prev_row && col == prev_col) | |
| 6523 return TRUE; | |
| 6524 | |
| 6525 STRCPY(buf, mouse_code); | |
| 6526 strp = buf + STRLEN(buf); | |
| 6527 *strp++ = (xterm_button | MOUSE_DRAG) & ~0x20; | |
| 6528 *strp++ = (char_u)(col + ' ' + 1); | |
| 6529 *strp++ = (char_u)(row + ' ' + 1); | |
| 6530 *strp = 0; | |
| 6531 add_to_input_buf(buf, STRLEN(buf)); | |
| 6532 | |
| 6533 prev_row = row; | |
| 6534 prev_col = col; | |
| 6535 return TRUE; | |
| 6536 } | |
| 6537 | |
| 6538 # if defined(FEAT_GUI) || defined(PROTO) | |
| 6539 /* | |
| 6540 * Destroy the display, window and app_context. Required for GTK. | |
| 6541 */ | |
| 6542 void | |
| 6543 clear_xterm_clip() | |
| 6544 { | |
| 6545 if (xterm_Shell != (Widget)0) | |
| 6546 { | |
| 6547 XtDestroyWidget(xterm_Shell); | |
| 6548 xterm_Shell = (Widget)0; | |
| 6549 } | |
| 6550 if (xterm_dpy != NULL) | |
| 6551 { | |
| 1605 | 6552 # if 0 |
| 7 | 6553 /* Lesstif and Solaris crash here, lose some memory */ |
| 6554 XtCloseDisplay(xterm_dpy); | |
| 1605 | 6555 # endif |
| 7 | 6556 if (x11_display == xterm_dpy) |
| 6557 x11_display = NULL; | |
| 6558 xterm_dpy = NULL; | |
| 6559 } | |
| 1605 | 6560 # if 0 |
| 7 | 6561 if (app_context != (XtAppContext)NULL) |
| 6562 { | |
| 6563 /* Lesstif and Solaris crash here, lose some memory */ | |
| 6564 XtDestroyApplicationContext(app_context); | |
| 6565 app_context = (XtAppContext)NULL; | |
| 6566 } | |
| 1605 | 6567 # endif |
| 7 | 6568 } |
| 6569 # endif | |
| 6570 | |
| 6571 /* | |
| 6572 * Catch up with any queued X events. This may put keyboard input into the | |
| 6573 * input buffer, call resize call-backs, trigger timers etc. If there is | |
| 6574 * nothing in the X event queue (& no timers pending), then we return | |
| 6575 * immediately. | |
| 6576 */ | |
| 6577 static void | |
| 6578 xterm_update() | |
| 6579 { | |
| 6580 XEvent event; | |
| 6581 | |
| 6582 while (XtAppPending(app_context) && !vim_is_input_buf_full()) | |
| 6583 { | |
| 6584 XtAppNextEvent(app_context, &event); | |
| 6585 #ifdef FEAT_CLIENTSERVER | |
| 6586 { | |
| 6587 XPropertyEvent *e = (XPropertyEvent *)&event; | |
| 6588 | |
| 6589 if (e->type == PropertyNotify && e->window == commWindow | |
| 6590 && e->atom == commProperty && e->state == PropertyNewValue) | |
| 6591 serverEventProc(xterm_dpy, &event); | |
| 6592 } | |
| 6593 #endif | |
| 6594 XtDispatchEvent(&event); | |
| 6595 } | |
| 6596 } | |
| 6597 | |
| 6598 int | |
| 6599 clip_xterm_own_selection(cbd) | |
| 6600 VimClipboard *cbd; | |
| 6601 { | |
| 6602 if (xterm_Shell != (Widget)0) | |
| 6603 return clip_x11_own_selection(xterm_Shell, cbd); | |
| 6604 return FAIL; | |
| 6605 } | |
| 6606 | |
| 6607 void | |
| 6608 clip_xterm_lose_selection(cbd) | |
| 6609 VimClipboard *cbd; | |
| 6610 { | |
| 6611 if (xterm_Shell != (Widget)0) | |
| 6612 clip_x11_lose_selection(xterm_Shell, cbd); | |
| 6613 } | |
| 6614 | |
| 6615 void | |
| 6616 clip_xterm_request_selection(cbd) | |
| 6617 VimClipboard *cbd; | |
| 6618 { | |
| 6619 if (xterm_Shell != (Widget)0) | |
| 6620 clip_x11_request_selection(xterm_Shell, xterm_dpy, cbd); | |
| 6621 } | |
| 6622 | |
| 6623 void | |
| 6624 clip_xterm_set_selection(cbd) | |
| 6625 VimClipboard *cbd; | |
| 6626 { | |
| 6627 clip_x11_set_selection(cbd); | |
| 6628 } | |
| 6629 #endif | |
| 6630 | |
| 6631 | |
| 6632 #if defined(USE_XSMP) || defined(PROTO) | |
| 6633 /* | |
| 6634 * Code for X Session Management Protocol. | |
| 6635 */ | |
| 6636 static void xsmp_handle_save_yourself __ARGS((SmcConn smc_conn, SmPointer client_data, int save_type, Bool shutdown, int interact_style, Bool fast)); | |
| 6637 static void xsmp_die __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6638 static void xsmp_save_complete __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6639 static void xsmp_shutdown_cancelled __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6640 static void xsmp_ice_connection __ARGS((IceConn iceConn, IcePointer clientData, Bool opening, IcePointer *watchData)); | |
| 6641 | |
| 6642 | |
| 6643 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
| 6644 static void xsmp_handle_interaction __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
| 6645 | |
| 6646 /* | |
| 6647 * This is our chance to ask the user if they want to save, | |
| 6648 * or abort the logout | |
| 6649 */ | |
| 6650 static void | |
| 6651 xsmp_handle_interaction(smc_conn, client_data) | |
| 6652 SmcConn smc_conn; | |
| 1883 | 6653 SmPointer client_data UNUSED; |
| 7 | 6654 { |
| 6655 cmdmod_T save_cmdmod; | |
| 6656 int cancel_shutdown = False; | |
| 6657 | |
| 6658 save_cmdmod = cmdmod; | |
| 6659 cmdmod.confirm = TRUE; | |
| 6660 if (check_changed_any(FALSE)) | |
| 6661 /* Mustn't logout */ | |
| 6662 cancel_shutdown = True; | |
| 6663 cmdmod = save_cmdmod; | |
| 6664 setcursor(); /* position cursor */ | |
| 6665 out_flush(); | |
| 6666 | |
| 6667 /* Done interaction */ | |
| 6668 SmcInteractDone(smc_conn, cancel_shutdown); | |
| 6669 | |
| 6670 /* Finish off | |
| 6671 * Only end save-yourself here if we're not cancelling shutdown; | |
| 6672 * we'll get a cancelled callback later in which we'll end it. | |
| 6673 * Hopefully get around glitchy SMs (like GNOME-1) | |
| 6674 */ | |
| 6675 if (!cancel_shutdown) | |
| 6676 { | |
| 6677 xsmp.save_yourself = False; | |
| 6678 SmcSaveYourselfDone(smc_conn, True); | |
| 6679 } | |
| 6680 } | |
| 6681 # endif | |
| 6682 | |
| 6683 /* | |
| 6684 * Callback that starts save-yourself. | |
| 6685 */ | |
| 6686 static void | |
| 6687 xsmp_handle_save_yourself(smc_conn, client_data, save_type, | |
| 6688 shutdown, interact_style, fast) | |
| 6689 SmcConn smc_conn; | |
| 1883 | 6690 SmPointer client_data UNUSED; |
| 6691 int save_type UNUSED; | |
| 7 | 6692 Bool shutdown; |
| 1883 | 6693 int interact_style UNUSED; |
| 6694 Bool fast UNUSED; | |
| 7 | 6695 { |
| 6696 /* Handle already being in saveyourself */ | |
| 6697 if (xsmp.save_yourself) | |
| 6698 SmcSaveYourselfDone(smc_conn, True); | |
| 6699 xsmp.save_yourself = True; | |
| 6700 xsmp.shutdown = shutdown; | |
| 6701 | |
| 6702 /* First up, preserve all files */ | |
| 6703 out_flush(); | |
| 6704 ml_sync_all(FALSE, FALSE); /* preserve all swap files */ | |
| 6705 | |
| 6706 if (p_verbose > 0) | |
| 292 | 6707 verb_msg((char_u *)_("XSMP handling save-yourself request")); |
| 7 | 6708 |
| 6709 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
| 6710 /* Now see if we can ask about unsaved files */ | |
| 6711 if (shutdown && !fast && gui.in_use) | |
| 6712 /* Need to interact with user, but need SM's permission */ | |
| 6713 SmcInteractRequest(smc_conn, SmDialogError, | |
| 6714 xsmp_handle_interaction, client_data); | |
| 6715 else | |
| 6716 # endif | |
| 6717 { | |
| 6718 /* Can stop the cycle here */ | |
| 6719 SmcSaveYourselfDone(smc_conn, True); | |
| 6720 xsmp.save_yourself = False; | |
| 6721 } | |
| 6722 } | |
| 6723 | |
| 6724 | |
| 6725 /* | |
| 6726 * Callback to warn us of imminent death. | |
| 6727 */ | |
| 6728 static void | |
| 6729 xsmp_die(smc_conn, client_data) | |
| 1883 | 6730 SmcConn smc_conn UNUSED; |
| 6731 SmPointer client_data UNUSED; | |
| 7 | 6732 { |
| 6733 xsmp_close(); | |
| 6734 | |
| 6735 /* quit quickly leaving swapfiles for modified buffers behind */ | |
| 6736 getout_preserve_modified(0); | |
| 6737 } | |
| 6738 | |
| 6739 | |
| 6740 /* | |
| 6741 * Callback to tell us that save-yourself has completed. | |
| 6742 */ | |
| 6743 static void | |
| 6744 xsmp_save_complete(smc_conn, client_data) | |
| 1883 | 6745 SmcConn smc_conn UNUSED; |
| 6746 SmPointer client_data UNUSED; | |
| 7 | 6747 { |
| 6748 xsmp.save_yourself = False; | |
| 6749 } | |
| 6750 | |
| 6751 | |
| 6752 /* | |
| 6753 * Callback to tell us that an instigated shutdown was cancelled | |
| 6754 * (maybe even by us) | |
| 6755 */ | |
| 6756 static void | |
| 6757 xsmp_shutdown_cancelled(smc_conn, client_data) | |
| 6758 SmcConn smc_conn; | |
| 1883 | 6759 SmPointer client_data UNUSED; |
| 7 | 6760 { |
| 6761 if (xsmp.save_yourself) | |
| 6762 SmcSaveYourselfDone(smc_conn, True); | |
| 6763 xsmp.save_yourself = False; | |
| 6764 xsmp.shutdown = False; | |
| 6765 } | |
| 6766 | |
| 6767 | |
| 6768 /* | |
| 6769 * Callback to tell us that a new ICE connection has been established. | |
| 6770 */ | |
| 6771 static void | |
| 6772 xsmp_ice_connection(iceConn, clientData, opening, watchData) | |
| 6773 IceConn iceConn; | |
| 1883 | 6774 IcePointer clientData UNUSED; |
| 7 | 6775 Bool opening; |
| 1883 | 6776 IcePointer *watchData UNUSED; |
| 7 | 6777 { |
| 6778 /* Intercept creation of ICE connection fd */ | |
| 6779 if (opening) | |
| 6780 { | |
| 6781 xsmp_icefd = IceConnectionNumber(iceConn); | |
| 6782 IceRemoveConnectionWatch(xsmp_ice_connection, NULL); | |
| 6783 } | |
| 6784 } | |
| 6785 | |
| 6786 | |
| 6787 /* Handle any ICE processing that's required; return FAIL if SM lost */ | |
| 6788 int | |
| 6789 xsmp_handle_requests() | |
| 6790 { | |
| 6791 Bool rep; | |
| 6792 | |
| 6793 if (IceProcessMessages(xsmp.iceconn, NULL, &rep) | |
| 6794 == IceProcessMessagesIOError) | |
| 6795 { | |
| 6796 /* Lost ICE */ | |
| 6797 if (p_verbose > 0) | |
| 292 | 6798 verb_msg((char_u *)_("XSMP lost ICE connection")); |
| 7 | 6799 xsmp_close(); |
| 6800 return FAIL; | |
| 6801 } | |
| 6802 else | |
| 6803 return OK; | |
| 6804 } | |
| 6805 | |
| 6806 static int dummy; | |
| 6807 | |
| 6808 /* Set up X Session Management Protocol */ | |
| 6809 void | |
| 6810 xsmp_init(void) | |
| 6811 { | |
| 6812 char errorstring[80]; | |
| 6813 SmcCallbacks smcallbacks; | |
| 6814 #if 0 | |
| 6815 SmPropValue smname; | |
| 6816 SmProp smnameprop; | |
| 6817 SmProp *smprops[1]; | |
| 6818 #endif | |
| 6819 | |
| 6820 if (p_verbose > 0) | |
| 292 | 6821 verb_msg((char_u *)_("XSMP opening connection")); |
| 7 | 6822 |
| 6823 xsmp.save_yourself = xsmp.shutdown = False; | |
| 6824 | |
| 6825 /* Set up SM callbacks - must have all, even if they're not used */ | |
| 6826 smcallbacks.save_yourself.callback = xsmp_handle_save_yourself; | |
| 6827 smcallbacks.save_yourself.client_data = NULL; | |
| 6828 smcallbacks.die.callback = xsmp_die; | |
| 6829 smcallbacks.die.client_data = NULL; | |
| 6830 smcallbacks.save_complete.callback = xsmp_save_complete; | |
| 6831 smcallbacks.save_complete.client_data = NULL; | |
| 6832 smcallbacks.shutdown_cancelled.callback = xsmp_shutdown_cancelled; | |
| 6833 smcallbacks.shutdown_cancelled.client_data = NULL; | |
| 6834 | |
| 6835 /* Set up a watch on ICE connection creations. The "dummy" argument is | |
| 6836 * apparently required for FreeBSD (we get a BUS error when using NULL). */ | |
| 6837 if (IceAddConnectionWatch(xsmp_ice_connection, &dummy) == 0) | |
| 6838 { | |
| 6839 if (p_verbose > 0) | |
| 292 | 6840 verb_msg((char_u *)_("XSMP ICE connection watch failed")); |
| 7 | 6841 return; |
| 6842 } | |
| 6843 | |
| 6844 /* Create an SM connection */ | |
| 6845 xsmp.smcconn = SmcOpenConnection( | |
| 6846 NULL, | |
| 6847 NULL, | |
| 6848 SmProtoMajor, | |
| 6849 SmProtoMinor, | |
| 6850 SmcSaveYourselfProcMask | SmcDieProcMask | |
| 6851 | SmcSaveCompleteProcMask | SmcShutdownCancelledProcMask, | |
| 6852 &smcallbacks, | |
| 6853 NULL, | |
| 1605 | 6854 &xsmp.clientid, |
| 7 | 6855 sizeof(errorstring), |
| 6856 errorstring); | |
| 6857 if (xsmp.smcconn == NULL) | |
| 6858 { | |
| 6859 char errorreport[132]; | |
| 273 | 6860 |
| 292 | 6861 if (p_verbose > 0) |
| 6862 { | |
| 6863 vim_snprintf(errorreport, sizeof(errorreport), | |
| 273 | 6864 _("XSMP SmcOpenConnection failed: %s"), errorstring); |
| 292 | 6865 verb_msg((char_u *)errorreport); |
| 6866 } | |
| 7 | 6867 return; |
| 6868 } | |
| 6869 xsmp.iceconn = SmcGetIceConnection(xsmp.smcconn); | |
| 6870 | |
| 6871 #if 0 | |
| 6872 /* ID ourselves */ | |
| 6873 smname.value = "vim"; | |
| 6874 smname.length = 3; | |
| 6875 smnameprop.name = "SmProgram"; | |
| 6876 smnameprop.type = "SmARRAY8"; | |
| 6877 smnameprop.num_vals = 1; | |
| 6878 smnameprop.vals = &smname; | |
| 6879 | |
| 6880 smprops[0] = &smnameprop; | |
| 6881 SmcSetProperties(xsmp.smcconn, 1, smprops); | |
| 6882 #endif | |
| 6883 } | |
| 6884 | |
| 6885 | |
| 6886 /* Shut down XSMP comms. */ | |
| 6887 void | |
| 6888 xsmp_close() | |
| 6889 { | |
| 6890 if (xsmp_icefd != -1) | |
| 6891 { | |
| 6892 SmcCloseConnection(xsmp.smcconn, 0, NULL); | |
| 1737 | 6893 if (xsmp.clientid != NULL) |
| 6894 free(xsmp.clientid); | |
| 1605 | 6895 xsmp.clientid = NULL; |
| 7 | 6896 xsmp_icefd = -1; |
| 6897 } | |
| 6898 } | |
| 6899 #endif /* USE_XSMP */ | |
| 6900 | |
| 6901 | |
| 6902 #ifdef EBCDIC | |
| 6903 /* Translate character to its CTRL- value */ | |
| 6904 char CtrlTable[] = | |
| 6905 { | |
| 6906 /* 00 - 5E */ | |
| 6907 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 6908 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 6909 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 6910 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 6911 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 6912 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 6913 /* ^ */ 0x1E, | |
| 6914 /* - */ 0x1F, | |
| 6915 /* 61 - 6C */ | |
| 6916 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 6917 /* _ */ 0x1F, | |
| 6918 /* 6E - 80 */ | |
| 6919 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 6920 /* a */ 0x01, | |
| 6921 /* b */ 0x02, | |
| 6922 /* c */ 0x03, | |
| 6923 /* d */ 0x37, | |
| 6924 /* e */ 0x2D, | |
| 6925 /* f */ 0x2E, | |
| 6926 /* g */ 0x2F, | |
| 6927 /* h */ 0x16, | |
| 6928 /* i */ 0x05, | |
| 6929 /* 8A - 90 */ | |
| 6930 0, 0, 0, 0, 0, 0, 0, | |
| 6931 /* j */ 0x15, | |
| 6932 /* k */ 0x0B, | |
| 6933 /* l */ 0x0C, | |
| 6934 /* m */ 0x0D, | |
| 6935 /* n */ 0x0E, | |
| 6936 /* o */ 0x0F, | |
| 6937 /* p */ 0x10, | |
| 6938 /* q */ 0x11, | |
| 6939 /* r */ 0x12, | |
| 6940 /* 9A - A1 */ | |
| 6941 0, 0, 0, 0, 0, 0, 0, 0, | |
| 6942 /* s */ 0x13, | |
| 6943 /* t */ 0x3C, | |
| 6944 /* u */ 0x3D, | |
| 6945 /* v */ 0x32, | |
| 6946 /* w */ 0x26, | |
| 6947 /* x */ 0x18, | |
| 6948 /* y */ 0x19, | |
| 6949 /* z */ 0x3F, | |
| 6950 /* AA - AC */ | |
| 6951 0, 0, 0, | |
| 6952 /* [ */ 0x27, | |
| 6953 /* AE - BC */ | |
| 6954 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 6955 /* ] */ 0x1D, | |
| 6956 /* BE - C0 */ 0, 0, 0, | |
| 6957 /* A */ 0x01, | |
| 6958 /* B */ 0x02, | |
| 6959 /* C */ 0x03, | |
| 6960 /* D */ 0x37, | |
| 6961 /* E */ 0x2D, | |
| 6962 /* F */ 0x2E, | |
| 6963 /* G */ 0x2F, | |
| 6964 /* H */ 0x16, | |
| 6965 /* I */ 0x05, | |
| 6966 /* CA - D0 */ 0, 0, 0, 0, 0, 0, 0, | |
| 6967 /* J */ 0x15, | |
| 6968 /* K */ 0x0B, | |
| 6969 /* L */ 0x0C, | |
| 6970 /* M */ 0x0D, | |
| 6971 /* N */ 0x0E, | |
| 6972 /* O */ 0x0F, | |
| 6973 /* P */ 0x10, | |
| 6974 /* Q */ 0x11, | |
| 6975 /* R */ 0x12, | |
| 6976 /* DA - DF */ 0, 0, 0, 0, 0, 0, | |
| 6977 /* \ */ 0x1C, | |
| 6978 /* E1 */ 0, | |
| 6979 /* S */ 0x13, | |
| 6980 /* T */ 0x3C, | |
| 6981 /* U */ 0x3D, | |
| 6982 /* V */ 0x32, | |
| 6983 /* W */ 0x26, | |
| 6984 /* X */ 0x18, | |
| 6985 /* Y */ 0x19, | |
| 6986 /* Z */ 0x3F, | |
| 6987 /* EA - FF*/ 0, 0, 0, 0, 0, 0, | |
| 6988 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
| 6989 }; | |
| 6990 | |
| 6991 char MetaCharTable[]= | |
| 6992 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
| 6993 0, 0, 0, 0,'\\', 0,'F', 0,'W','M','N', 0, 0, 0, 0, 0, | |
| 6994 0, 0, 0, 0,']', 0, 0,'G', 0, 0,'R','O', 0, 0, 0, 0, | |
| 6995 '@','A','B','C','D','E', 0, 0,'H','I','J','K','L', 0, 0, 0, | |
| 6996 'P','Q', 0,'S','T','U','V', 0,'X','Y','Z','[', 0, 0,'^', 0 | |
| 6997 }; | |
| 6998 | |
| 6999 | |
| 7000 /* TODO: Use characters NOT numbers!!! */ | |
| 7001 char CtrlCharTable[]= | |
| 7002 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
| 7003 124,193,194,195, 0,201, 0, 0, 0, 0, 0,210,211,212,213,214, | |
| 7004 215,216,217,226, 0,209,200, 0,231,232, 0, 0,224,189, 95,109, | |
| 7005 0, 0, 0, 0, 0, 0,230,173, 0, 0, 0, 0, 0,197,198,199, | |
| 7006 0, 0,229, 0, 0, 0, 0,196, 0, 0, 0, 0,227,228, 0,233, | |
| 7007 }; | |
| 7008 | |
| 7009 | |
| 7010 #endif |