Mercurial > vim
annotate src/os_unix.c @ 5444:d563839a9be0 v7.4.072
updated for version 7.4.072
Problem: Crash when using Insert mode completion.
Solution: Avoid going past the end of pum_array. (idea by Fransisco Lopes)
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Wed, 06 Nov 2013 04:04:33 +0100 |
parents | 739074bdceb8 |
children | e35c69ad4823 |
rev | line source |
---|---|
7 | 1 /* vi:set ts=8 sts=4 sw=4: |
2 * | |
3 * VIM - Vi IMproved by Bram Moolenaar | |
4 * OS/2 port by Paul Slootman | |
5 * VMS merge by Zoltan Arpadffy | |
6 * | |
7 * Do ":help uganda" in Vim to read copying and usage conditions. | |
8 * Do ":help credits" in Vim to see a list of people who contributed. | |
9 * See README.txt for an overview of the Vim source code. | |
10 */ | |
11 | |
12 /* | |
13 * os_unix.c -- code for all flavors of Unix (BSD, SYSV, SVR4, POSIX, ...) | |
14 * Also for OS/2, using the excellent EMX package!!! | |
15 * Also for BeOS and Atari MiNT. | |
16 * | |
17 * A lot of this file was originally written by Juergen Weigert and later | |
18 * changed beyond recognition. | |
19 */ | |
20 | |
21 /* | |
22 * Some systems have a prototype for select() that has (int *) instead of | |
23 * (fd_set *), which is wrong. This define removes that prototype. We define | |
24 * our own prototype below. | |
25 * Don't use it for the Mac, it causes a warning for precompiled headers. | |
26 * TODO: use a configure check for precompiled headers? | |
27 */ | |
1076 | 28 #if !defined(__APPLE__) && !defined(__TANDEM) |
7 | 29 # define select select_declared_wrong |
30 #endif | |
31 | |
32 #include "vim.h" | |
33 | |
14 | 34 #ifdef FEAT_MZSCHEME |
35 # include "if_mzsch.h" | |
36 #endif | |
37 | |
7 | 38 #include "os_unixx.h" /* unix includes for os_unix.c only */ |
39 | |
40 #ifdef USE_XSMP | |
41 # include <X11/SM/SMlib.h> | |
42 #endif | |
43 | |
1583 | 44 #ifdef HAVE_SELINUX |
45 # include <selinux/selinux.h> | |
46 static int selinux_enabled = -1; | |
47 #endif | |
48 | |
7 | 49 /* |
50 * Use this prototype for select, some include files have a wrong prototype | |
51 */ | |
1076 | 52 #ifndef __TANDEM |
53 # undef select | |
54 # ifdef __BEOS__ | |
55 # define select beos_select | |
56 # endif | |
7 | 57 #endif |
58 | |
1102 | 59 #ifdef __CYGWIN__ |
60 # ifndef WIN32 | |
1657 | 61 # include <cygwin/version.h> |
62 # include <sys/cygwin.h> /* for cygwin_conv_to_posix_path() and/or | |
63 * for cygwin_conv_path() */ | |
4168 | 64 # ifdef FEAT_CYGWIN_WIN32_CLIPBOARD |
65 # define WIN32_LEAN_AND_MEAN | |
66 # include <windows.h> | |
67 # include "winclip.pro" | |
68 # endif | |
1102 | 69 # endif |
70 #endif | |
71 | |
7 | 72 #if defined(HAVE_SELECT) |
73 extern int select __ARGS((int, fd_set *, fd_set *, fd_set *, struct timeval *)); | |
74 #endif | |
75 | |
76 #ifdef FEAT_MOUSE_GPM | |
77 # include <gpm.h> | |
78 /* <linux/keyboard.h> contains defines conflicting with "keymap.h", | |
79 * I just copied relevant defines here. A cleaner solution would be to put gpm | |
80 * code into separate file and include there linux/keyboard.h | |
81 */ | |
82 /* #include <linux/keyboard.h> */ | |
83 # define KG_SHIFT 0 | |
84 # define KG_CTRL 2 | |
85 # define KG_ALT 3 | |
86 # define KG_ALTGR 1 | |
87 # define KG_SHIFTL 4 | |
88 # define KG_SHIFTR 5 | |
89 # define KG_CTRLL 6 | |
90 # define KG_CTRLR 7 | |
91 # define KG_CAPSSHIFT 8 | |
92 | |
93 static void gpm_close __ARGS((void)); | |
94 static int gpm_open __ARGS((void)); | |
95 static int mch_gpm_process __ARGS((void)); | |
96 #endif | |
97 | |
1620 | 98 #ifdef FEAT_SYSMOUSE |
99 # include <sys/consio.h> | |
100 # include <sys/fbio.h> | |
101 | |
102 static int sysmouse_open __ARGS((void)); | |
103 static void sysmouse_close __ARGS((void)); | |
104 static RETSIGTYPE sig_sysmouse __ARGS(SIGPROTOARG); | |
105 #endif | |
106 | |
7 | 107 /* |
108 * end of autoconf section. To be extended... | |
109 */ | |
110 | |
111 /* Are the following #ifdefs still required? And why? Is that for X11? */ | |
112 | |
113 #if defined(ESIX) || defined(M_UNIX) && !defined(SCO) | |
114 # ifdef SIGWINCH | |
115 # undef SIGWINCH | |
116 # endif | |
117 # ifdef TIOCGWINSZ | |
118 # undef TIOCGWINSZ | |
119 # endif | |
120 #endif | |
121 | |
122 #if defined(SIGWINDOW) && !defined(SIGWINCH) /* hpux 9.01 has it */ | |
123 # define SIGWINCH SIGWINDOW | |
124 #endif | |
125 | |
126 #ifdef FEAT_X11 | |
127 # include <X11/Xlib.h> | |
128 # include <X11/Xutil.h> | |
129 # include <X11/Xatom.h> | |
130 # ifdef FEAT_XCLIPBOARD | |
131 # include <X11/Intrinsic.h> | |
132 # include <X11/Shell.h> | |
133 # include <X11/StringDefs.h> | |
134 static Widget xterm_Shell = (Widget)0; | |
4230 | 135 static void clip_update __ARGS((void)); |
7 | 136 static void xterm_update __ARGS((void)); |
137 # endif | |
138 | |
139 # if defined(FEAT_XCLIPBOARD) || defined(FEAT_TITLE) | |
140 Window x11_window = 0; | |
141 # endif | |
142 Display *x11_display = NULL; | |
143 | |
144 # ifdef FEAT_TITLE | |
145 static int get_x11_windis __ARGS((void)); | |
146 static void set_x11_title __ARGS((char_u *)); | |
147 static void set_x11_icon __ARGS((char_u *)); | |
148 # endif | |
149 #endif | |
150 | |
151 #ifdef FEAT_TITLE | |
152 static int get_x11_title __ARGS((int)); | |
153 static int get_x11_icon __ARGS((int)); | |
154 | |
155 static char_u *oldtitle = NULL; | |
156 static int did_set_title = FALSE; | |
157 static char_u *oldicon = NULL; | |
158 static int did_set_icon = FALSE; | |
159 #endif | |
160 | |
161 static void may_core_dump __ARGS((void)); | |
162 | |
3048 | 163 #ifdef HAVE_UNION_WAIT |
164 typedef union wait waitstatus; | |
165 #else | |
166 typedef int waitstatus; | |
167 #endif | |
3062 | 168 static pid_t wait4pid __ARGS((pid_t, waitstatus *)); |
3048 | 169 |
7 | 170 static int WaitForChar __ARGS((long)); |
171 #if defined(__BEOS__) | |
172 int RealWaitForChar __ARGS((int, long, int *)); | |
173 #else | |
174 static int RealWaitForChar __ARGS((int, long, int *)); | |
175 #endif | |
176 | |
177 #ifdef FEAT_XCLIPBOARD | |
178 static int do_xterm_trace __ARGS((void)); | |
331 | 179 # define XT_TRACE_DELAY 50 /* delay for xterm tracing */ |
7 | 180 #endif |
181 | |
182 static void handle_resize __ARGS((void)); | |
183 | |
184 #if defined(SIGWINCH) | |
185 static RETSIGTYPE sig_winch __ARGS(SIGPROTOARG); | |
186 #endif | |
187 #if defined(SIGINT) | |
188 static RETSIGTYPE catch_sigint __ARGS(SIGPROTOARG); | |
189 #endif | |
190 #if defined(SIGPWR) | |
191 static RETSIGTYPE catch_sigpwr __ARGS(SIGPROTOARG); | |
192 #endif | |
193 #if defined(SIGALRM) && defined(FEAT_X11) \ | |
194 && defined(FEAT_TITLE) && !defined(FEAT_GUI_GTK) | |
195 # define SET_SIG_ALARM | |
196 static RETSIGTYPE sig_alarm __ARGS(SIGPROTOARG); | |
1832 | 197 /* volatile because it is used in signal handler sig_alarm(). */ |
198 static volatile int sig_alarm_called; | |
7 | 199 #endif |
200 static RETSIGTYPE deathtrap __ARGS(SIGPROTOARG); | |
201 | |
167 | 202 static void catch_int_signal __ARGS((void)); |
7 | 203 static void set_signals __ARGS((void)); |
204 static void catch_signals __ARGS((RETSIGTYPE (*func_deadly)(), RETSIGTYPE (*func_other)())); | |
205 #ifndef __EMX__ | |
206 static int have_wildcard __ARGS((int, char_u **)); | |
207 static int have_dollars __ARGS((int, char_u **)); | |
208 #endif | |
209 | |
210 #ifndef __EMX__ | |
211 static int save_patterns __ARGS((int num_pat, char_u **pat, int *num_file, char_u ***file)); | |
212 #endif | |
213 | |
214 #ifndef SIG_ERR | |
1879 | 215 # define SIG_ERR ((RETSIGTYPE (*)())-1) |
7 | 216 #endif |
217 | |
1832 | 218 /* volatile because it is used in signal handler sig_winch(). */ |
219 static volatile int do_resize = FALSE; | |
7 | 220 #ifndef __EMX__ |
221 static char_u *extra_shell_arg = NULL; | |
222 static int show_shell_mess = TRUE; | |
223 #endif | |
1832 | 224 /* volatile because it is used in signal handler deathtrap(). */ |
225 static volatile int deadly_signal = 0; /* The signal we caught */ | |
226 /* volatile because it is used in signal handler deathtrap(). */ | |
227 static volatile int in_mch_delay = FALSE; /* sleeping in mch_delay() */ | |
7 | 228 |
229 static int curr_tmode = TMODE_COOK; /* contains current terminal mode */ | |
230 | |
231 #ifdef USE_XSMP | |
232 typedef struct | |
233 { | |
234 SmcConn smcconn; /* The SM connection ID */ | |
235 IceConn iceconn; /* The ICE connection ID */ | |
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236 char *clientid; /* The client ID for the current smc session */ |
7 | 237 Bool save_yourself; /* If we're in the middle of a save_yourself */ |
238 Bool shutdown; /* If we're in shutdown mode */ | |
239 } xsmp_config_T; | |
240 | |
241 static xsmp_config_T xsmp; | |
242 #endif | |
243 | |
244 #ifdef SYS_SIGLIST_DECLARED | |
245 /* | |
246 * I have seen | |
247 * extern char *_sys_siglist[NSIG]; | |
248 * on Irix, Linux, NetBSD and Solaris. It contains a nice list of strings | |
249 * that describe the signals. That is nearly what we want here. But | |
250 * autoconf does only check for sys_siglist (without the underscore), I | |
251 * do not want to change everything today.... jw. | |
252 * This is why AC_DECL_SYS_SIGLIST is commented out in configure.in | |
253 */ | |
254 #endif | |
255 | |
256 static struct signalinfo | |
257 { | |
258 int sig; /* Signal number, eg. SIGSEGV etc */ | |
259 char *name; /* Signal name (not char_u!). */ | |
260 char deadly; /* Catch as a deadly signal? */ | |
261 } signal_info[] = | |
262 { | |
263 #ifdef SIGHUP | |
264 {SIGHUP, "HUP", TRUE}, | |
265 #endif | |
266 #ifdef SIGQUIT | |
267 {SIGQUIT, "QUIT", TRUE}, | |
268 #endif | |
269 #ifdef SIGILL | |
270 {SIGILL, "ILL", TRUE}, | |
271 #endif | |
272 #ifdef SIGTRAP | |
273 {SIGTRAP, "TRAP", TRUE}, | |
274 #endif | |
275 #ifdef SIGABRT | |
276 {SIGABRT, "ABRT", TRUE}, | |
277 #endif | |
278 #ifdef SIGEMT | |
279 {SIGEMT, "EMT", TRUE}, | |
280 #endif | |
281 #ifdef SIGFPE | |
282 {SIGFPE, "FPE", TRUE}, | |
283 #endif | |
284 #ifdef SIGBUS | |
285 {SIGBUS, "BUS", TRUE}, | |
286 #endif | |
4074 | 287 #if defined(SIGSEGV) && !defined(FEAT_MZSCHEME) |
288 /* MzScheme uses SEGV in its garbage collector */ | |
7 | 289 {SIGSEGV, "SEGV", TRUE}, |
290 #endif | |
291 #ifdef SIGSYS | |
292 {SIGSYS, "SYS", TRUE}, | |
293 #endif | |
294 #ifdef SIGALRM | |
295 {SIGALRM, "ALRM", FALSE}, /* Perl's alarm() can trigger it */ | |
296 #endif | |
297 #ifdef SIGTERM | |
298 {SIGTERM, "TERM", TRUE}, | |
299 #endif | |
2701 | 300 #if defined(SIGVTALRM) && !defined(FEAT_RUBY) |
7 | 301 {SIGVTALRM, "VTALRM", TRUE}, |
302 #endif | |
1560 | 303 #if defined(SIGPROF) && !defined(FEAT_MZSCHEME) && !defined(WE_ARE_PROFILING) |
304 /* MzScheme uses SIGPROF for its own needs; On Linux with profiling | |
305 * this makes Vim exit. WE_ARE_PROFILING is defined in Makefile. */ | |
7 | 306 {SIGPROF, "PROF", TRUE}, |
307 #endif | |
308 #ifdef SIGXCPU | |
309 {SIGXCPU, "XCPU", TRUE}, | |
310 #endif | |
311 #ifdef SIGXFSZ | |
312 {SIGXFSZ, "XFSZ", TRUE}, | |
313 #endif | |
314 #ifdef SIGUSR1 | |
315 {SIGUSR1, "USR1", TRUE}, | |
316 #endif | |
1620 | 317 #if defined(SIGUSR2) && !defined(FEAT_SYSMOUSE) |
318 /* Used for sysmouse handling */ | |
7 | 319 {SIGUSR2, "USR2", TRUE}, |
320 #endif | |
321 #ifdef SIGINT | |
322 {SIGINT, "INT", FALSE}, | |
323 #endif | |
324 #ifdef SIGWINCH | |
325 {SIGWINCH, "WINCH", FALSE}, | |
326 #endif | |
327 #ifdef SIGTSTP | |
328 {SIGTSTP, "TSTP", FALSE}, | |
329 #endif | |
330 #ifdef SIGPIPE | |
331 {SIGPIPE, "PIPE", FALSE}, | |
332 #endif | |
333 {-1, "Unknown!", FALSE} | |
334 }; | |
335 | |
1935 | 336 int |
337 mch_chdir(path) | |
338 char *path; | |
339 { | |
340 if (p_verbose >= 5) | |
341 { | |
342 verbose_enter(); | |
343 smsg((char_u *)"chdir(%s)", path); | |
344 verbose_leave(); | |
345 } | |
346 # ifdef VMS | |
347 return chdir(vms_fixfilename(path)); | |
348 # else | |
349 return chdir(path); | |
350 # endif | |
351 } | |
352 | |
1757 | 353 /* |
354 * Write s[len] to the screen. | |
355 */ | |
7 | 356 void |
357 mch_write(s, len) | |
358 char_u *s; | |
359 int len; | |
360 { | |
1757 | 361 ignored = (int)write(1, (char *)s, len); |
7 | 362 if (p_wd) /* Unix is too fast, slow down a bit more */ |
363 RealWaitForChar(read_cmd_fd, p_wd, NULL); | |
364 } | |
365 | |
366 /* | |
1450 | 367 * mch_inchar(): low level input function. |
7 | 368 * Get a characters from the keyboard. |
369 * Return the number of characters that are available. | |
370 * If wtime == 0 do not wait for characters. | |
371 * If wtime == n wait a short time for characters. | |
372 * If wtime == -1 wait forever for characters. | |
373 */ | |
374 int | |
375 mch_inchar(buf, maxlen, wtime, tb_change_cnt) | |
376 char_u *buf; | |
377 int maxlen; | |
378 long wtime; /* don't use "time", MIPS cannot handle it */ | |
379 int tb_change_cnt; | |
380 { | |
381 int len; | |
382 | |
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parents:
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383 #ifdef FEAT_NETBEANS_INTG |
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384 /* Process the queued netbeans messages. */ |
2210 | 385 netbeans_parse_messages(); |
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386 #endif |
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parents:
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387 |
7 | 388 /* Check if window changed size while we were busy, perhaps the ":set |
389 * columns=99" command was used. */ | |
390 while (do_resize) | |
391 handle_resize(); | |
392 | |
393 if (wtime >= 0) | |
394 { | |
395 while (WaitForChar(wtime) == 0) /* no character available */ | |
396 { | |
397 if (!do_resize) /* return if not interrupted by resize */ | |
398 return 0; | |
399 handle_resize(); | |
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changeset
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400 #ifdef FEAT_NETBEANS_INTG |
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401 /* Process the queued netbeans messages. */ |
2311
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402 netbeans_parse_messages(); |
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Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
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403 #endif |
7 | 404 } |
405 } | |
406 else /* wtime == -1 */ | |
407 { | |
408 /* | |
409 * If there is no character available within 'updatetime' seconds | |
216 | 410 * flush all the swap files to disk. |
7 | 411 * Also done when interrupted by SIGWINCH. |
412 */ | |
413 if (WaitForChar(p_ut) == 0) | |
414 { | |
415 #ifdef FEAT_AUTOCMD | |
609 | 416 if (trigger_cursorhold() && maxlen >= 3 |
417 && !typebuf_changed(tb_change_cnt)) | |
7 | 418 { |
216 | 419 buf[0] = K_SPECIAL; |
420 buf[1] = KS_EXTRA; | |
421 buf[2] = (int)KE_CURSORHOLD; | |
422 return 3; | |
7 | 423 } |
216 | 424 #endif |
369 | 425 before_blocking(); |
7 | 426 } |
427 } | |
428 | |
429 for (;;) /* repeat until we got a character */ | |
430 { | |
431 while (do_resize) /* window changed size */ | |
432 handle_resize(); | |
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Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
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433 |
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Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
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434 #ifdef FEAT_NETBEANS_INTG |
d0ddf7ba1630
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Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
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435 /* Process the queued netbeans messages. */ |
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2277
diff
changeset
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436 netbeans_parse_messages(); |
2209
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Bram Moolenaar <bram@vim.org>
parents:
2074
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changeset
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437 #endif |
2436 | 438 #ifndef VMS /* VMS: must try reading, WaitForChar() does nothing. */ |
7 | 439 /* |
2436 | 440 * We want to be interrupted by the winch signal |
441 * or by an event on the monitored file descriptors. | |
7 | 442 */ |
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443 if (WaitForChar(-1L) == 0) |
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444 { |
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445 if (do_resize) /* interrupted by SIGWINCH signal */ |
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Bram Moolenaar <bram@vim.org>
parents:
2074
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446 handle_resize(); |
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Bram Moolenaar <bram@vim.org>
parents:
2074
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447 return 0; |
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Bram Moolenaar <bram@vim.org>
parents:
2074
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changeset
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448 } |
2436 | 449 #endif |
7 | 450 |
451 /* If input was put directly in typeahead buffer bail out here. */ | |
452 if (typebuf_changed(tb_change_cnt)) | |
453 return 0; | |
454 | |
455 /* | |
456 * For some terminals we only get one character at a time. | |
457 * We want the get all available characters, so we could keep on | |
458 * trying until none is available | |
459 * For some other terminals this is quite slow, that's why we don't do | |
460 * it. | |
461 */ | |
462 len = read_from_input_buf(buf, (long)maxlen); | |
463 if (len > 0) | |
464 { | |
465 #ifdef OS2 | |
466 int i; | |
467 | |
468 for (i = 0; i < len; i++) | |
469 if (buf[i] == 0) | |
470 buf[i] = K_NUL; | |
471 #endif | |
472 return len; | |
473 } | |
474 } | |
475 } | |
476 | |
477 static void | |
478 handle_resize() | |
479 { | |
480 do_resize = FALSE; | |
481 shell_resized(); | |
482 } | |
483 | |
484 /* | |
485 * return non-zero if a character is available | |
486 */ | |
487 int | |
488 mch_char_avail() | |
489 { | |
490 return WaitForChar(0L); | |
491 } | |
492 | |
493 #if defined(HAVE_TOTAL_MEM) || defined(PROTO) | |
494 # ifdef HAVE_SYS_RESOURCE_H | |
1879 | 495 # include <sys/resource.h> |
7 | 496 # endif |
497 # if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_SYSCTL) | |
498 # include <sys/sysctl.h> | |
499 # endif | |
500 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO) | |
501 # include <sys/sysinfo.h> | |
502 # endif | |
503 | |
504 /* | |
1110 | 505 * Return total amount of memory available in Kbyte. |
506 * Doesn't change when memory has been allocated. | |
7 | 507 */ |
508 long_u | |
509 mch_total_mem(special) | |
1877 | 510 int special UNUSED; |
7 | 511 { |
512 # ifdef __EMX__ | |
1110 | 513 return ulimit(3, 0L) >> 10; /* always 32MB? */ |
7 | 514 # else |
515 long_u mem = 0; | |
1110 | 516 long_u shiftright = 10; /* how much to shift "mem" right for Kbyte */ |
7 | 517 |
518 # ifdef HAVE_SYSCTL | |
519 int mib[2], physmem; | |
520 size_t len; | |
521 | |
522 /* BSD way of getting the amount of RAM available. */ | |
523 mib[0] = CTL_HW; | |
524 mib[1] = HW_USERMEM; | |
525 len = sizeof(physmem); | |
526 if (sysctl(mib, 2, &physmem, &len, NULL, 0) == 0) | |
527 mem = (long_u)physmem; | |
528 # endif | |
529 | |
530 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO) | |
531 if (mem == 0) | |
532 { | |
533 struct sysinfo sinfo; | |
534 | |
535 /* Linux way of getting amount of RAM available */ | |
536 if (sysinfo(&sinfo) == 0) | |
1110 | 537 { |
538 # ifdef HAVE_SYSINFO_MEM_UNIT | |
539 /* avoid overflow as much as possible */ | |
540 while (shiftright > 0 && (sinfo.mem_unit & 1) == 0) | |
541 { | |
542 sinfo.mem_unit = sinfo.mem_unit >> 1; | |
543 --shiftright; | |
544 } | |
545 mem = sinfo.totalram * sinfo.mem_unit; | |
546 # else | |
7 | 547 mem = sinfo.totalram; |
1110 | 548 # endif |
549 } | |
7 | 550 } |
551 # endif | |
552 | |
553 # ifdef HAVE_SYSCONF | |
554 if (mem == 0) | |
555 { | |
556 long pagesize, pagecount; | |
557 | |
558 /* Solaris way of getting amount of RAM available */ | |
559 pagesize = sysconf(_SC_PAGESIZE); | |
560 pagecount = sysconf(_SC_PHYS_PAGES); | |
561 if (pagesize > 0 && pagecount > 0) | |
1110 | 562 { |
563 /* avoid overflow as much as possible */ | |
564 while (shiftright > 0 && (pagesize & 1) == 0) | |
565 { | |
1204 | 566 pagesize = (long_u)pagesize >> 1; |
1110 | 567 --shiftright; |
568 } | |
7 | 569 mem = (long_u)pagesize * pagecount; |
1110 | 570 } |
7 | 571 } |
572 # endif | |
573 | |
574 /* Return the minimum of the physical memory and the user limit, because | |
575 * using more than the user limit may cause Vim to be terminated. */ | |
576 # if defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT) | |
577 { | |
578 struct rlimit rlp; | |
579 | |
580 if (getrlimit(RLIMIT_DATA, &rlp) == 0 | |
581 && rlp.rlim_cur < ((rlim_t)1 << (sizeof(long_u) * 8 - 1)) | |
582 # ifdef RLIM_INFINITY | |
583 && rlp.rlim_cur != RLIM_INFINITY | |
584 # endif | |
1110 | 585 && ((long_u)rlp.rlim_cur >> 10) < (mem >> shiftright) |
7 | 586 ) |
1110 | 587 { |
588 mem = (long_u)rlp.rlim_cur; | |
589 shiftright = 10; | |
590 } | |
7 | 591 } |
592 # endif | |
593 | |
594 if (mem > 0) | |
1110 | 595 return mem >> shiftright; |
596 return (long_u)0x1fffff; | |
7 | 597 # endif |
598 } | |
599 #endif | |
600 | |
601 void | |
602 mch_delay(msec, ignoreinput) | |
603 long msec; | |
604 int ignoreinput; | |
605 { | |
606 int old_tmode; | |
14 | 607 #ifdef FEAT_MZSCHEME |
608 long total = msec; /* remember original value */ | |
609 #endif | |
7 | 610 |
611 if (ignoreinput) | |
612 { | |
613 /* Go to cooked mode without echo, to allow SIGINT interrupting us | |
1530 | 614 * here. But we don't want QUIT to kill us (CTRL-\ used in a |
615 * shell may produce SIGQUIT). */ | |
616 in_mch_delay = TRUE; | |
7 | 617 old_tmode = curr_tmode; |
618 if (curr_tmode == TMODE_RAW) | |
619 settmode(TMODE_SLEEP); | |
620 | |
621 /* | |
622 * Everybody sleeps in a different way... | |
623 * Prefer nanosleep(), some versions of usleep() can only sleep up to | |
624 * one second. | |
625 */ | |
14 | 626 #ifdef FEAT_MZSCHEME |
627 do | |
628 { | |
629 /* if total is large enough, wait by portions in p_mzq */ | |
630 if (total > p_mzq) | |
631 msec = p_mzq; | |
632 else | |
633 msec = total; | |
634 total -= msec; | |
635 #endif | |
7 | 636 #ifdef HAVE_NANOSLEEP |
637 { | |
638 struct timespec ts; | |
639 | |
640 ts.tv_sec = msec / 1000; | |
641 ts.tv_nsec = (msec % 1000) * 1000000; | |
642 (void)nanosleep(&ts, NULL); | |
643 } | |
644 #else | |
645 # ifdef HAVE_USLEEP | |
646 while (msec >= 1000) | |
647 { | |
648 usleep((unsigned int)(999 * 1000)); | |
649 msec -= 999; | |
650 } | |
651 usleep((unsigned int)(msec * 1000)); | |
652 # else | |
653 # ifndef HAVE_SELECT | |
654 poll(NULL, 0, (int)msec); | |
655 # else | |
656 # ifdef __EMX__ | |
657 _sleep2(msec); | |
658 # else | |
659 { | |
660 struct timeval tv; | |
661 | |
662 tv.tv_sec = msec / 1000; | |
663 tv.tv_usec = (msec % 1000) * 1000; | |
664 /* | |
665 * NOTE: Solaris 2.6 has a bug that makes select() hang here. Get | |
666 * a patch from Sun to fix this. Reported by Gunnar Pedersen. | |
667 */ | |
668 select(0, NULL, NULL, NULL, &tv); | |
669 } | |
670 # endif /* __EMX__ */ | |
671 # endif /* HAVE_SELECT */ | |
672 # endif /* HAVE_NANOSLEEP */ | |
673 #endif /* HAVE_USLEEP */ | |
14 | 674 #ifdef FEAT_MZSCHEME |
675 } | |
676 while (total > 0); | |
677 #endif | |
7 | 678 |
679 settmode(old_tmode); | |
1530 | 680 in_mch_delay = FALSE; |
7 | 681 } |
682 else | |
683 WaitForChar(msec); | |
684 } | |
685 | |
180 | 686 #if defined(HAVE_STACK_LIMIT) \ |
7 | 687 || (!defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGSTACK)) |
688 # define HAVE_CHECK_STACK_GROWTH | |
689 /* | |
690 * Support for checking for an almost-out-of-stack-space situation. | |
691 */ | |
692 | |
693 /* | |
694 * Return a pointer to an item on the stack. Used to find out if the stack | |
695 * grows up or down. | |
696 */ | |
697 static void check_stack_growth __ARGS((char *p)); | |
698 static int stack_grows_downwards; | |
699 | |
700 /* | |
701 * Find out if the stack grows upwards or downwards. | |
702 * "p" points to a variable on the stack of the caller. | |
703 */ | |
704 static void | |
705 check_stack_growth(p) | |
706 char *p; | |
707 { | |
708 int i; | |
709 | |
710 stack_grows_downwards = (p > (char *)&i); | |
711 } | |
712 #endif | |
713 | |
180 | 714 #if defined(HAVE_STACK_LIMIT) || defined(PROTO) |
7 | 715 static char *stack_limit = NULL; |
716 | |
717 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H) | |
718 # include <pthread.h> | |
719 # include <pthread_np.h> | |
720 #endif | |
721 | |
722 /* | |
723 * Find out until how var the stack can grow without getting into trouble. | |
724 * Called when starting up and when switching to the signal stack in | |
725 * deathtrap(). | |
726 */ | |
727 static void | |
728 get_stack_limit() | |
729 { | |
730 struct rlimit rlp; | |
731 int i; | |
732 long lim; | |
733 | |
734 /* Set the stack limit to 15/16 of the allowable size. Skip this when the | |
735 * limit doesn't fit in a long (rlim_cur might be "long long"). */ | |
736 if (getrlimit(RLIMIT_STACK, &rlp) == 0 | |
737 && rlp.rlim_cur < ((rlim_t)1 << (sizeof(long_u) * 8 - 1)) | |
738 # ifdef RLIM_INFINITY | |
739 && rlp.rlim_cur != RLIM_INFINITY | |
740 # endif | |
741 ) | |
742 { | |
743 lim = (long)rlp.rlim_cur; | |
744 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H) | |
745 { | |
746 pthread_attr_t attr; | |
747 size_t size; | |
748 | |
749 /* On FreeBSD the initial thread always has a fixed stack size, no | |
750 * matter what the limits are set to. Normally it's 1 Mbyte. */ | |
751 pthread_attr_init(&attr); | |
752 if (pthread_attr_get_np(pthread_self(), &attr) == 0) | |
753 { | |
754 pthread_attr_getstacksize(&attr, &size); | |
755 if (lim > (long)size) | |
756 lim = (long)size; | |
757 } | |
758 pthread_attr_destroy(&attr); | |
759 } | |
760 #endif | |
761 if (stack_grows_downwards) | |
762 { | |
763 stack_limit = (char *)((long)&i - (lim / 16L * 15L)); | |
764 if (stack_limit >= (char *)&i) | |
765 /* overflow, set to 1/16 of current stack position */ | |
766 stack_limit = (char *)((long)&i / 16L); | |
767 } | |
768 else | |
769 { | |
770 stack_limit = (char *)((long)&i + (lim / 16L * 15L)); | |
771 if (stack_limit <= (char *)&i) | |
772 stack_limit = NULL; /* overflow */ | |
773 } | |
774 } | |
775 } | |
776 | |
777 /* | |
778 * Return FAIL when running out of stack space. | |
779 * "p" must point to any variable local to the caller that's on the stack. | |
780 */ | |
781 int | |
782 mch_stackcheck(p) | |
783 char *p; | |
784 { | |
785 if (stack_limit != NULL) | |
786 { | |
787 if (stack_grows_downwards) | |
788 { | |
789 if (p < stack_limit) | |
790 return FAIL; | |
791 } | |
792 else if (p > stack_limit) | |
793 return FAIL; | |
794 } | |
795 return OK; | |
796 } | |
797 #endif | |
798 | |
799 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
800 /* | |
801 * Support for using the signal stack. | |
802 * This helps when we run out of stack space, which causes a SIGSEGV. The | |
803 * signal handler then must run on another stack, since the normal stack is | |
804 * completely full. | |
805 */ | |
806 | |
5421 | 807 #if defined(HAVE_AVAILABILITYMACROS_H) |
5411 | 808 # include <AvailabilityMacros.h> |
809 #endif | |
810 | |
7 | 811 #ifndef SIGSTKSZ |
812 # define SIGSTKSZ 8000 /* just a guess of how much stack is needed... */ | |
813 #endif | |
814 | |
815 # ifdef HAVE_SIGALTSTACK | |
816 static stack_t sigstk; /* for sigaltstack() */ | |
817 # else | |
818 static struct sigstack sigstk; /* for sigstack() */ | |
819 # endif | |
820 | |
821 static void init_signal_stack __ARGS((void)); | |
822 static char *signal_stack; | |
823 | |
824 static void | |
825 init_signal_stack() | |
826 { | |
827 if (signal_stack != NULL) | |
828 { | |
829 # ifdef HAVE_SIGALTSTACK | |
1375 | 830 # if defined(__APPLE__) && (!defined(MAC_OS_X_VERSION_MAX_ALLOWED) \ |
831 || MAC_OS_X_VERSION_MAX_ALLOWED <= 1040) | |
7 | 832 /* missing prototype. Adding it to osdef?.h.in doesn't work, because |
833 * "struct sigaltstack" needs to be declared. */ | |
834 extern int sigaltstack __ARGS((const struct sigaltstack *ss, struct sigaltstack *oss)); | |
835 # endif | |
836 | |
837 # ifdef HAVE_SS_BASE | |
838 sigstk.ss_base = signal_stack; | |
839 # else | |
840 sigstk.ss_sp = signal_stack; | |
841 # endif | |
842 sigstk.ss_size = SIGSTKSZ; | |
843 sigstk.ss_flags = 0; | |
844 (void)sigaltstack(&sigstk, NULL); | |
845 # else | |
846 sigstk.ss_sp = signal_stack; | |
847 if (stack_grows_downwards) | |
848 sigstk.ss_sp += SIGSTKSZ - 1; | |
849 sigstk.ss_onstack = 0; | |
850 (void)sigstack(&sigstk, NULL); | |
851 # endif | |
852 } | |
853 } | |
854 #endif | |
855 | |
856 /* | |
1832 | 857 * We need correct prototypes for a signal function, otherwise mean compilers |
7 | 858 * will barf when the second argument to signal() is ``wrong''. |
859 * Let me try it with a few tricky defines from my own osdef.h (jw). | |
860 */ | |
861 #if defined(SIGWINCH) | |
862 static RETSIGTYPE | |
863 sig_winch SIGDEFARG(sigarg) | |
864 { | |
865 /* this is not required on all systems, but it doesn't hurt anybody */ | |
866 signal(SIGWINCH, (RETSIGTYPE (*)())sig_winch); | |
867 do_resize = TRUE; | |
868 SIGRETURN; | |
869 } | |
870 #endif | |
871 | |
872 #if defined(SIGINT) | |
873 static RETSIGTYPE | |
874 catch_sigint SIGDEFARG(sigarg) | |
875 { | |
876 /* this is not required on all systems, but it doesn't hurt anybody */ | |
877 signal(SIGINT, (RETSIGTYPE (*)())catch_sigint); | |
878 got_int = TRUE; | |
879 SIGRETURN; | |
880 } | |
881 #endif | |
882 | |
883 #if defined(SIGPWR) | |
884 static RETSIGTYPE | |
885 catch_sigpwr SIGDEFARG(sigarg) | |
886 { | |
37 | 887 /* this is not required on all systems, but it doesn't hurt anybody */ |
888 signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr); | |
7 | 889 /* |
890 * I'm not sure we get the SIGPWR signal when the system is really going | |
891 * down or when the batteries are almost empty. Just preserve the swap | |
892 * files and don't exit, that can't do any harm. | |
893 */ | |
894 ml_sync_all(FALSE, FALSE); | |
895 SIGRETURN; | |
896 } | |
897 #endif | |
898 | |
899 #ifdef SET_SIG_ALARM | |
900 /* | |
901 * signal function for alarm(). | |
902 */ | |
903 static RETSIGTYPE | |
904 sig_alarm SIGDEFARG(sigarg) | |
905 { | |
906 /* doesn't do anything, just to break a system call */ | |
907 sig_alarm_called = TRUE; | |
908 SIGRETURN; | |
909 } | |
910 #endif | |
911 | |
188 | 912 #if (defined(HAVE_SETJMP_H) \ |
913 && ((defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) \ | |
914 || defined(FEAT_LIBCALL))) \ | |
915 || defined(PROTO) | |
7 | 916 /* |
917 * A simplistic version of setjmp() that only allows one level of using. | |
918 * Don't call twice before calling mch_endjmp()!. | |
919 * Usage: | |
920 * mch_startjmp(); | |
921 * if (SETJMP(lc_jump_env) != 0) | |
922 * { | |
923 * mch_didjmp(); | |
924 * EMSG("crash!"); | |
925 * } | |
926 * else | |
927 * { | |
928 * do_the_work; | |
929 * mch_endjmp(); | |
930 * } | |
931 * Note: Can't move SETJMP() here, because a function calling setjmp() must | |
932 * not return before the saved environment is used. | |
933 * Returns OK for normal return, FAIL when the protected code caused a | |
934 * problem and LONGJMP() was used. | |
935 */ | |
936 void | |
937 mch_startjmp() | |
938 { | |
939 #ifdef SIGHASARG | |
940 lc_signal = 0; | |
941 #endif | |
942 lc_active = TRUE; | |
943 } | |
944 | |
945 void | |
946 mch_endjmp() | |
947 { | |
948 lc_active = FALSE; | |
949 } | |
950 | |
951 void | |
952 mch_didjmp() | |
953 { | |
954 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
955 /* On FreeBSD the signal stack has to be reset after using siglongjmp(), | |
956 * otherwise catching the signal only works once. */ | |
957 init_signal_stack(); | |
958 # endif | |
959 } | |
960 #endif | |
961 | |
962 /* | |
963 * This function handles deadly signals. | |
5338 | 964 * It tries to preserve any swap files and exit properly. |
7 | 965 * (partly from Elvis). |
5338 | 966 * NOTE: Avoid unsafe functions, such as allocating memory, they can result in |
967 * a deadlock. | |
7 | 968 */ |
969 static RETSIGTYPE | |
970 deathtrap SIGDEFARG(sigarg) | |
971 { | |
972 static int entered = 0; /* count the number of times we got here. | |
973 Note: when memory has been corrupted | |
974 this may get an arbitrary value! */ | |
975 #ifdef SIGHASARG | |
976 int i; | |
977 #endif | |
978 | |
979 #if defined(HAVE_SETJMP_H) | |
980 /* | |
981 * Catch a crash in protected code. | |
982 * Restores the environment saved in lc_jump_env, which looks like | |
983 * SETJMP() returns 1. | |
984 */ | |
985 if (lc_active) | |
986 { | |
987 # if defined(SIGHASARG) | |
988 lc_signal = sigarg; | |
989 # endif | |
990 lc_active = FALSE; /* don't jump again */ | |
991 LONGJMP(lc_jump_env, 1); | |
992 /* NOTREACHED */ | |
993 } | |
994 #endif | |
995 | |
36 | 996 #ifdef SIGHASARG |
1530 | 997 # ifdef SIGQUIT |
998 /* While in mch_delay() we go to cooked mode to allow a CTRL-C to | |
999 * interrupt us. But in cooked mode we may also get SIGQUIT, e.g., when | |
1000 * pressing CTRL-\, but we don't want Vim to exit then. */ | |
1001 if (in_mch_delay && sigarg == SIGQUIT) | |
1002 SIGRETURN; | |
1003 # endif | |
1004 | |
37 | 1005 /* When SIGHUP, SIGQUIT, etc. are blocked: postpone the effect and return |
1006 * here. This avoids that a non-reentrant function is interrupted, e.g., | |
1007 * free(). Calling free() again may then cause a crash. */ | |
1008 if (entered == 0 | |
1009 && (0 | |
1010 # ifdef SIGHUP | |
1011 || sigarg == SIGHUP | |
1012 # endif | |
1013 # ifdef SIGQUIT | |
1014 || sigarg == SIGQUIT | |
1015 # endif | |
1016 # ifdef SIGTERM | |
1017 || sigarg == SIGTERM | |
1018 # endif | |
1019 # ifdef SIGPWR | |
1020 || sigarg == SIGPWR | |
1021 # endif | |
1022 # ifdef SIGUSR1 | |
1023 || sigarg == SIGUSR1 | |
1024 # endif | |
1025 # ifdef SIGUSR2 | |
1026 || sigarg == SIGUSR2 | |
1027 # endif | |
1028 ) | |
413 | 1029 && !vim_handle_signal(sigarg)) |
36 | 1030 SIGRETURN; |
1031 #endif | |
1032 | |
7 | 1033 /* Remember how often we have been called. */ |
1034 ++entered; | |
1035 | |
1036 #ifdef FEAT_EVAL | |
1037 /* Set the v:dying variable. */ | |
1038 set_vim_var_nr(VV_DYING, (long)entered); | |
1039 #endif | |
1040 | |
180 | 1041 #ifdef HAVE_STACK_LIMIT |
7 | 1042 /* Since we are now using the signal stack, need to reset the stack |
1043 * limit. Otherwise using a regexp will fail. */ | |
1044 get_stack_limit(); | |
1045 #endif | |
1046 | |
758 | 1047 #if 0 |
1048 /* This is for opening gdb the moment Vim crashes. | |
1049 * You need to manually adjust the file name and Vim executable name. | |
1050 * Suggested by SungHyun Nam. */ | |
1051 { | |
1052 # define VI_GDB_FILE "/tmp/vimgdb" | |
1053 # define VIM_NAME "/usr/bin/vim" | |
1054 FILE *fp = fopen(VI_GDB_FILE, "w"); | |
1055 if (fp) | |
1056 { | |
1057 fprintf(fp, | |
1058 "file %s\n" | |
1059 "attach %d\n" | |
1060 "set height 1000\n" | |
1061 "bt full\n" | |
1062 , VIM_NAME, getpid()); | |
1063 fclose(fp); | |
1064 system("xterm -e gdb -x "VI_GDB_FILE); | |
1065 unlink(VI_GDB_FILE); | |
1066 } | |
1067 } | |
1068 #endif | |
1069 | |
7 | 1070 #ifdef SIGHASARG |
1071 /* try to find the name of this signal */ | |
1072 for (i = 0; signal_info[i].sig != -1; i++) | |
1073 if (sigarg == signal_info[i].sig) | |
1074 break; | |
1075 deadly_signal = sigarg; | |
1076 #endif | |
1077 | |
1078 full_screen = FALSE; /* don't write message to the GUI, it might be | |
1079 * part of the problem... */ | |
1080 /* | |
1081 * If something goes wrong after entering here, we may get here again. | |
1082 * When this happens, give a message and try to exit nicely (resetting the | |
1083 * terminal mode, etc.) | |
1084 * When this happens twice, just exit, don't even try to give a message, | |
1085 * stack may be corrupt or something weird. | |
1086 * When this still happens again (or memory was corrupted in such a way | |
1087 * that "entered" was clobbered) use _exit(), don't try freeing resources. | |
1088 */ | |
1089 if (entered >= 3) | |
1090 { | |
1091 reset_signals(); /* don't catch any signals anymore */ | |
1092 may_core_dump(); | |
1093 if (entered >= 4) | |
1094 _exit(8); | |
1095 exit(7); | |
1096 } | |
1097 if (entered == 2) | |
1098 { | |
5338 | 1099 /* No translation, it may call malloc(). */ |
1100 OUT_STR("Vim: Double signal, exiting\n"); | |
7 | 1101 out_flush(); |
1102 getout(1); | |
1103 } | |
1104 | |
5338 | 1105 /* No translation, it may call malloc(). */ |
7 | 1106 #ifdef SIGHASARG |
5338 | 1107 sprintf((char *)IObuff, "Vim: Caught deadly signal %s\n", |
7 | 1108 signal_info[i].name); |
1109 #else | |
5338 | 1110 sprintf((char *)IObuff, "Vim: Caught deadly signal\n"); |
1111 #endif | |
1112 | |
1113 /* Preserve files and exit. This sets the really_exiting flag to prevent | |
1114 * calling free(). */ | |
1115 preserve_exit(); | |
7 | 1116 |
33 | 1117 #ifdef NBDEBUG |
1118 reset_signals(); | |
1119 may_core_dump(); | |
1120 abort(); | |
1121 #endif | |
1122 | |
7 | 1123 SIGRETURN; |
1124 } | |
1125 | |
1832 | 1126 #if defined(_REENTRANT) && defined(SIGCONT) |
7 | 1127 /* |
1128 * On Solaris with multi-threading, suspending might not work immediately. | |
1129 * Catch the SIGCONT signal, which will be used as an indication whether the | |
1130 * suspending has been done or not. | |
1832 | 1131 * |
1132 * On Linux, signal is not always handled immediately either. | |
1133 * See https://bugs.launchpad.net/bugs/291373 | |
1134 * | |
2701 | 1135 * volatile because it is used in signal handler sigcont_handler(). |
7 | 1136 */ |
1832 | 1137 static volatile int sigcont_received; |
7 | 1138 static RETSIGTYPE sigcont_handler __ARGS(SIGPROTOARG); |
1139 | |
1140 /* | |
1141 * signal handler for SIGCONT | |
1142 */ | |
1143 static RETSIGTYPE | |
1144 sigcont_handler SIGDEFARG(sigarg) | |
1145 { | |
1146 sigcont_received = TRUE; | |
1147 SIGRETURN; | |
1148 } | |
1149 #endif | |
1150 | |
2586 | 1151 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
1152 static void loose_clipboard __ARGS((void)); | |
4230 | 1153 # ifdef USE_SYSTEM |
4209 | 1154 static void save_clipboard __ARGS((void)); |
1155 static void restore_clipboard __ARGS((void)); | |
1156 | |
1157 static void *clip_star_save = NULL; | |
1158 static void *clip_plus_save = NULL; | |
4230 | 1159 # endif |
2586 | 1160 |
1161 /* | |
1162 * Called when Vim is going to sleep or execute a shell command. | |
1163 * We can't respond to requests for the X selections. Lose them, otherwise | |
1164 * other applications will hang. But first copy the text to cut buffer 0. | |
1165 */ | |
1166 static void | |
1167 loose_clipboard() | |
1168 { | |
1169 if (clip_star.owned || clip_plus.owned) | |
1170 { | |
1171 x11_export_final_selection(); | |
1172 if (clip_star.owned) | |
1173 clip_lose_selection(&clip_star); | |
1174 if (clip_plus.owned) | |
1175 clip_lose_selection(&clip_plus); | |
1176 if (x11_display != NULL) | |
1177 XFlush(x11_display); | |
1178 } | |
1179 } | |
4209 | 1180 |
4230 | 1181 # ifdef USE_SYSTEM |
4209 | 1182 /* |
1183 * Save clipboard text to restore later. | |
1184 */ | |
1185 static void | |
1186 save_clipboard() | |
1187 { | |
1188 if (clip_star.owned) | |
1189 clip_star_save = get_register('*', TRUE); | |
1190 if (clip_plus.owned) | |
1191 clip_plus_save = get_register('+', TRUE); | |
1192 } | |
1193 | |
1194 /* | |
1195 * Restore clipboard text if no one own the X selection. | |
1196 */ | |
1197 static void | |
1198 restore_clipboard() | |
1199 { | |
1200 if (clip_star_save != NULL) | |
1201 { | |
1202 if (!clip_gen_owner_exists(&clip_star)) | |
1203 put_register('*', clip_star_save); | |
1204 else | |
1205 free_register(clip_star_save); | |
1206 clip_star_save = NULL; | |
1207 } | |
1208 if (clip_plus_save != NULL) | |
1209 { | |
1210 if (!clip_gen_owner_exists(&clip_plus)) | |
1211 put_register('+', clip_plus_save); | |
1212 else | |
1213 free_register(clip_plus_save); | |
1214 clip_plus_save = NULL; | |
1215 } | |
1216 } | |
4230 | 1217 # endif |
2586 | 1218 #endif |
1219 | |
7 | 1220 /* |
1221 * If the machine has job control, use it to suspend the program, | |
1222 * otherwise fake it by starting a new shell. | |
1223 */ | |
1224 void | |
1225 mch_suspend() | |
1226 { | |
1227 /* BeOS does have SIGTSTP, but it doesn't work. */ | |
1228 #if defined(SIGTSTP) && !defined(__BEOS__) | |
1229 out_flush(); /* needed to make cursor visible on some systems */ | |
1230 settmode(TMODE_COOK); | |
1231 out_flush(); /* needed to disable mouse on some systems */ | |
1232 | |
1233 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) | |
2586 | 1234 loose_clipboard(); |
7 | 1235 # endif |
1236 | |
1832 | 1237 # if defined(_REENTRANT) && defined(SIGCONT) |
7 | 1238 sigcont_received = FALSE; |
1239 # endif | |
1240 kill(0, SIGTSTP); /* send ourselves a STOP signal */ | |
1832 | 1241 # if defined(_REENTRANT) && defined(SIGCONT) |
1242 /* | |
1243 * Wait for the SIGCONT signal to be handled. It generally happens | |
1244 * immediately, but somehow not all the time. Do not call pause() | |
1245 * because there would be race condition which would hang Vim if | |
1246 * signal happened in between the test of sigcont_received and the | |
1247 * call to pause(). If signal is not yet received, call sleep(0) | |
1248 * to just yield CPU. Signal should then be received. If somehow | |
1249 * it's still not received, sleep 1, 2, 3 ms. Don't bother waiting | |
1250 * further if signal is not received after 1+2+3+4 ms (not expected | |
1251 * to happen). | |
1252 */ | |
1253 { | |
1932 | 1254 long wait_time; |
1255 for (wait_time = 0; !sigcont_received && wait_time <= 3L; wait_time++) | |
1832 | 1256 /* Loop is not entered most of the time */ |
1932 | 1257 mch_delay(wait_time, FALSE); |
1832 | 1258 } |
7 | 1259 # endif |
1260 | |
1261 # ifdef FEAT_TITLE | |
1262 /* | |
1263 * Set oldtitle to NULL, so the current title is obtained again. | |
1264 */ | |
1265 vim_free(oldtitle); | |
1266 oldtitle = NULL; | |
1267 # endif | |
1268 settmode(TMODE_RAW); | |
1269 need_check_timestamps = TRUE; | |
1270 did_check_timestamps = FALSE; | |
1271 #else | |
1272 suspend_shell(); | |
1273 #endif | |
1274 } | |
1275 | |
1276 void | |
1277 mch_init() | |
1278 { | |
1279 Columns = 80; | |
1280 Rows = 24; | |
1281 | |
1282 out_flush(); | |
1283 set_signals(); | |
167 | 1284 |
765 | 1285 #ifdef MACOS_CONVERT |
167 | 1286 mac_conv_init(); |
1287 #endif | |
4168 | 1288 #ifdef FEAT_CYGWIN_WIN32_CLIPBOARD |
1289 win_clip_init(); | |
1290 #endif | |
7 | 1291 } |
1292 | |
1293 static void | |
1294 set_signals() | |
1295 { | |
1296 #if defined(SIGWINCH) | |
1297 /* | |
1298 * WINDOW CHANGE signal is handled with sig_winch(). | |
1299 */ | |
1300 signal(SIGWINCH, (RETSIGTYPE (*)())sig_winch); | |
1301 #endif | |
1302 | |
1303 /* | |
1304 * We want the STOP signal to work, to make mch_suspend() work. | |
1305 * For "rvim" the STOP signal is ignored. | |
1306 */ | |
1307 #ifdef SIGTSTP | |
1308 signal(SIGTSTP, restricted ? SIG_IGN : SIG_DFL); | |
1309 #endif | |
1832 | 1310 #if defined(_REENTRANT) && defined(SIGCONT) |
7 | 1311 signal(SIGCONT, sigcont_handler); |
1312 #endif | |
1313 | |
1314 /* | |
1315 * We want to ignore breaking of PIPEs. | |
1316 */ | |
1317 #ifdef SIGPIPE | |
1318 signal(SIGPIPE, SIG_IGN); | |
1319 #endif | |
1320 | |
1321 #ifdef SIGINT | |
167 | 1322 catch_int_signal(); |
7 | 1323 #endif |
1324 | |
1325 /* | |
1326 * Ignore alarm signals (Perl's alarm() generates it). | |
1327 */ | |
1328 #ifdef SIGALRM | |
1329 signal(SIGALRM, SIG_IGN); | |
1330 #endif | |
1331 | |
1332 /* | |
1333 * Catch SIGPWR (power failure?) to preserve the swap files, so that no | |
1334 * work will be lost. | |
1335 */ | |
1336 #ifdef SIGPWR | |
1337 signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr); | |
1338 #endif | |
1339 | |
1340 /* | |
1341 * Arrange for other signals to gracefully shutdown Vim. | |
1342 */ | |
1343 catch_signals(deathtrap, SIG_ERR); | |
1344 | |
1345 #if defined(FEAT_GUI) && defined(SIGHUP) | |
1346 /* | |
1347 * When the GUI is running, ignore the hangup signal. | |
1348 */ | |
1349 if (gui.in_use) | |
1350 signal(SIGHUP, SIG_IGN); | |
1351 #endif | |
1352 } | |
1353 | |
167 | 1354 #if defined(SIGINT) || defined(PROTO) |
1355 /* | |
1356 * Catch CTRL-C (only works while in Cooked mode). | |
1357 */ | |
1358 static void | |
1359 catch_int_signal() | |
1360 { | |
1361 signal(SIGINT, (RETSIGTYPE (*)())catch_sigint); | |
1362 } | |
1363 #endif | |
1364 | |
7 | 1365 void |
1366 reset_signals() | |
1367 { | |
1368 catch_signals(SIG_DFL, SIG_DFL); | |
1832 | 1369 #if defined(_REENTRANT) && defined(SIGCONT) |
7 | 1370 /* SIGCONT isn't in the list, because its default action is ignore */ |
1371 signal(SIGCONT, SIG_DFL); | |
1372 #endif | |
1373 } | |
1374 | |
1375 static void | |
1376 catch_signals(func_deadly, func_other) | |
1377 RETSIGTYPE (*func_deadly)(); | |
1378 RETSIGTYPE (*func_other)(); | |
1379 { | |
1380 int i; | |
1381 | |
1382 for (i = 0; signal_info[i].sig != -1; i++) | |
1383 if (signal_info[i].deadly) | |
1384 { | |
1385 #if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGACTION) | |
1386 struct sigaction sa; | |
1387 | |
1388 /* Setup to use the alternate stack for the signal function. */ | |
1389 sa.sa_handler = func_deadly; | |
1390 sigemptyset(&sa.sa_mask); | |
1391 # if defined(__linux__) && defined(_REENTRANT) | |
1392 /* On Linux, with glibc compiled for kernel 2.2, there is a bug in | |
1393 * thread handling in combination with using the alternate stack: | |
1394 * pthread library functions try to use the stack pointer to | |
1395 * identify the current thread, causing a SEGV signal, which | |
1396 * recursively calls deathtrap() and hangs. */ | |
1397 sa.sa_flags = 0; | |
1398 # else | |
1399 sa.sa_flags = SA_ONSTACK; | |
1400 # endif | |
1401 sigaction(signal_info[i].sig, &sa, NULL); | |
1402 #else | |
1403 # if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGVEC) | |
1404 struct sigvec sv; | |
1405 | |
1406 /* Setup to use the alternate stack for the signal function. */ | |
1407 sv.sv_handler = func_deadly; | |
1408 sv.sv_mask = 0; | |
1409 sv.sv_flags = SV_ONSTACK; | |
1410 sigvec(signal_info[i].sig, &sv, NULL); | |
1411 # else | |
1412 signal(signal_info[i].sig, func_deadly); | |
1413 # endif | |
1414 #endif | |
1415 } | |
1416 else if (func_other != SIG_ERR) | |
1417 signal(signal_info[i].sig, func_other); | |
1418 } | |
1419 | |
1420 /* | |
37 | 1421 * Handling of SIGHUP, SIGQUIT and SIGTERM: |
1146 | 1422 * "when" == a signal: when busy, postpone and return FALSE, otherwise |
1423 * return TRUE | |
1424 * "when" == SIGNAL_BLOCK: Going to be busy, block signals | |
1425 * "when" == SIGNAL_UNBLOCK: Going to wait, unblock signals, use postponed | |
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1426 * signal |
36 | 1427 * Returns TRUE when Vim should exit. |
1428 */ | |
1429 int | |
413 | 1430 vim_handle_signal(sig) |
37 | 1431 int sig; |
36 | 1432 { |
37 | 1433 static int got_signal = 0; |
1434 static int blocked = TRUE; | |
1435 | |
1436 switch (sig) | |
36 | 1437 { |
37 | 1438 case SIGNAL_BLOCK: blocked = TRUE; |
1439 break; | |
1440 | |
1441 case SIGNAL_UNBLOCK: blocked = FALSE; | |
1442 if (got_signal != 0) | |
1443 { | |
1444 kill(getpid(), got_signal); | |
1445 got_signal = 0; | |
1446 } | |
1447 break; | |
1448 | |
1449 default: if (!blocked) | |
36 | 1450 return TRUE; /* exit! */ |
37 | 1451 got_signal = sig; |
1452 #ifdef SIGPWR | |
1453 if (sig != SIGPWR) | |
1454 #endif | |
1455 got_int = TRUE; /* break any loops */ | |
36 | 1456 break; |
1457 } | |
1458 return FALSE; | |
1459 } | |
1460 | |
1461 /* | |
7 | 1462 * Check_win checks whether we have an interactive stdout. |
1463 */ | |
1464 int | |
1465 mch_check_win(argc, argv) | |
1877 | 1466 int argc UNUSED; |
1467 char **argv UNUSED; | |
7 | 1468 { |
1469 #ifdef OS2 | |
1470 /* | |
1471 * Store argv[0], may be used for $VIM. Only use it if it is an absolute | |
1472 * name, mostly it's just "vim" and found in the path, which is unusable. | |
1473 */ | |
1474 if (mch_isFullName(argv[0])) | |
1475 exe_name = vim_strsave((char_u *)argv[0]); | |
1476 #endif | |
1477 if (isatty(1)) | |
1478 return OK; | |
1479 return FAIL; | |
1480 } | |
1481 | |
1482 /* | |
1483 * Return TRUE if the input comes from a terminal, FALSE otherwise. | |
1484 */ | |
1485 int | |
1486 mch_input_isatty() | |
1487 { | |
1488 if (isatty(read_cmd_fd)) | |
1489 return TRUE; | |
1490 return FALSE; | |
1491 } | |
1492 | |
1493 #ifdef FEAT_X11 | |
1494 | |
1495 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) \ | |
1496 && (defined(FEAT_XCLIPBOARD) || defined(FEAT_TITLE)) | |
1497 | |
1498 static void xopen_message __ARGS((struct timeval *tvp)); | |
1499 | |
1500 /* | |
1501 * Give a message about the elapsed time for opening the X window. | |
1502 */ | |
1503 static void | |
1504 xopen_message(tvp) | |
1505 struct timeval *tvp; /* must contain start time */ | |
1506 { | |
1507 struct timeval end_tv; | |
1508 | |
1509 /* Compute elapsed time. */ | |
1510 gettimeofday(&end_tv, NULL); | |
1511 smsg((char_u *)_("Opening the X display took %ld msec"), | |
1512 (end_tv.tv_sec - tvp->tv_sec) * 1000L | |
273 | 1513 + (end_tv.tv_usec - tvp->tv_usec) / 1000L); |
7 | 1514 } |
1515 # endif | |
1516 #endif | |
1517 | |
1518 #if defined(FEAT_X11) && (defined(FEAT_TITLE) || defined(FEAT_XCLIPBOARD)) | |
1519 /* | |
1520 * A few functions shared by X11 title and clipboard code. | |
1521 */ | |
1522 static int x_error_handler __ARGS((Display *dpy, XErrorEvent *error_event)); | |
1523 static int x_error_check __ARGS((Display *dpy, XErrorEvent *error_event)); | |
1524 static int x_connect_to_server __ARGS((void)); | |
1525 static int test_x11_window __ARGS((Display *dpy)); | |
1526 | |
1527 static int got_x_error = FALSE; | |
1528 | |
1529 /* | |
1530 * X Error handler, otherwise X just exits! (very rude) -- webb | |
1531 */ | |
1532 static int | |
1533 x_error_handler(dpy, error_event) | |
1534 Display *dpy; | |
1535 XErrorEvent *error_event; | |
1536 { | |
42 | 1537 XGetErrorText(dpy, error_event->error_code, (char *)IObuff, IOSIZE); |
7 | 1538 STRCAT(IObuff, _("\nVim: Got X error\n")); |
1539 | |
1540 /* We cannot print a message and continue, because no X calls are allowed | |
1541 * here (causes my system to hang). Silently continuing might be an | |
1542 * alternative... */ | |
1543 preserve_exit(); /* preserve files and exit */ | |
1544 | |
1545 return 0; /* NOTREACHED */ | |
1546 } | |
1547 | |
1548 /* | |
1549 * Another X Error handler, just used to check for errors. | |
1550 */ | |
1551 static int | |
1552 x_error_check(dpy, error_event) | |
1883 | 1553 Display *dpy UNUSED; |
1554 XErrorEvent *error_event UNUSED; | |
7 | 1555 { |
1556 got_x_error = TRUE; | |
1557 return 0; | |
1558 } | |
1559 | |
1560 #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) | |
1561 # if defined(HAVE_SETJMP_H) | |
1562 /* | |
1563 * An X IO Error handler, used to catch error while opening the display. | |
1564 */ | |
1565 static int x_IOerror_check __ARGS((Display *dpy)); | |
1566 | |
1567 static int | |
1568 x_IOerror_check(dpy) | |
1883 | 1569 Display *dpy UNUSED; |
7 | 1570 { |
1571 /* This function should not return, it causes exit(). Longjump instead. */ | |
1572 LONGJMP(lc_jump_env, 1); | |
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1573 # if defined(VMS) || defined(__CYGWIN__) || defined(__CYGWIN32__) |
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1574 return 0; /* avoid the compiler complains about missing return value */ |
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1575 # endif |
7 | 1576 } |
1577 # endif | |
1578 | |
1579 /* | |
1580 * An X IO Error handler, used to catch terminal errors. | |
1581 */ | |
1582 static int x_IOerror_handler __ARGS((Display *dpy)); | |
1583 | |
1584 static int | |
1585 x_IOerror_handler(dpy) | |
1883 | 1586 Display *dpy UNUSED; |
7 | 1587 { |
1588 xterm_dpy = NULL; | |
1589 x11_window = 0; | |
1590 x11_display = NULL; | |
1591 xterm_Shell = (Widget)0; | |
1592 | |
1593 /* This function should not return, it causes exit(). Longjump instead. */ | |
1594 LONGJMP(x_jump_env, 1); | |
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1595 # if defined(VMS) || defined(__CYGWIN__) || defined(__CYGWIN32__) |
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1596 return 0; /* avoid the compiler complains about missing return value */ |
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1597 # endif |
7 | 1598 } |
1599 #endif | |
1600 | |
1601 /* | |
1602 * Return TRUE when connection to the X server is desired. | |
1603 */ | |
1604 static int | |
1605 x_connect_to_server() | |
1606 { | |
1607 regmatch_T regmatch; | |
1608 | |
1609 #if defined(FEAT_CLIENTSERVER) | |
1610 if (x_force_connect) | |
1611 return TRUE; | |
1612 #endif | |
1613 if (x_no_connect) | |
1614 return FALSE; | |
1615 | |
1616 /* Check for a match with "exclude:" from 'clipboard'. */ | |
1617 if (clip_exclude_prog != NULL) | |
1618 { | |
1619 regmatch.rm_ic = FALSE; /* Don't ignore case */ | |
1620 regmatch.regprog = clip_exclude_prog; | |
1621 if (vim_regexec(®match, T_NAME, (colnr_T)0)) | |
1622 return FALSE; | |
1623 } | |
1624 return TRUE; | |
1625 } | |
1626 | |
1627 /* | |
1628 * Test if "dpy" and x11_window are valid by getting the window title. | |
1629 * I don't actually want it yet, so there may be a simpler call to use, but | |
1630 * this will cause the error handler x_error_check() to be called if anything | |
1631 * is wrong, such as the window pointer being invalid (as can happen when the | |
1632 * user changes his DISPLAY, but not his WINDOWID) -- webb | |
1633 */ | |
1634 static int | |
1635 test_x11_window(dpy) | |
1636 Display *dpy; | |
1637 { | |
1638 int (*old_handler)(); | |
1639 XTextProperty text_prop; | |
1640 | |
1641 old_handler = XSetErrorHandler(x_error_check); | |
1642 got_x_error = FALSE; | |
1643 if (XGetWMName(dpy, x11_window, &text_prop)) | |
1644 XFree((void *)text_prop.value); | |
1645 XSync(dpy, False); | |
1646 (void)XSetErrorHandler(old_handler); | |
1647 | |
1648 if (p_verbose > 0 && got_x_error) | |
292 | 1649 verb_msg((char_u *)_("Testing the X display failed")); |
7 | 1650 |
1651 return (got_x_error ? FAIL : OK); | |
1652 } | |
1653 #endif | |
1654 | |
1655 #ifdef FEAT_TITLE | |
1656 | |
1657 #ifdef FEAT_X11 | |
1658 | |
1659 static int get_x11_thing __ARGS((int get_title, int test_only)); | |
1660 | |
1661 /* | |
1662 * try to get x11 window and display | |
1663 * | |
1664 * return FAIL for failure, OK otherwise | |
1665 */ | |
1666 static int | |
1667 get_x11_windis() | |
1668 { | |
1669 char *winid; | |
1670 static int result = -1; | |
1671 #define XD_NONE 0 /* x11_display not set here */ | |
1672 #define XD_HERE 1 /* x11_display opened here */ | |
1673 #define XD_GUI 2 /* x11_display used from gui.dpy */ | |
1674 #define XD_XTERM 3 /* x11_display used from xterm_dpy */ | |
1675 static int x11_display_from = XD_NONE; | |
1676 static int did_set_error_handler = FALSE; | |
1677 | |
1678 if (!did_set_error_handler) | |
1679 { | |
1680 /* X just exits if it finds an error otherwise! */ | |
1681 (void)XSetErrorHandler(x_error_handler); | |
1682 did_set_error_handler = TRUE; | |
1683 } | |
1684 | |
574 | 1685 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) |
7 | 1686 if (gui.in_use) |
1687 { | |
1688 /* | |
1689 * If the X11 display was opened here before, for the window where Vim | |
1690 * was started, close that one now to avoid a memory leak. | |
1691 */ | |
1692 if (x11_display_from == XD_HERE && x11_display != NULL) | |
1693 { | |
1694 XCloseDisplay(x11_display); | |
1695 x11_display_from = XD_NONE; | |
1696 } | |
1697 if (gui_get_x11_windis(&x11_window, &x11_display) == OK) | |
1698 { | |
1699 x11_display_from = XD_GUI; | |
1700 return OK; | |
1701 } | |
1702 x11_display = NULL; | |
1703 return FAIL; | |
1704 } | |
1705 else if (x11_display_from == XD_GUI) | |
1706 { | |
1707 /* GUI must have stopped somehow, clear x11_display */ | |
1708 x11_window = 0; | |
1709 x11_display = NULL; | |
1710 x11_display_from = XD_NONE; | |
1711 } | |
1712 #endif | |
1713 | |
1714 /* When started with the "-X" argument, don't try connecting. */ | |
1715 if (!x_connect_to_server()) | |
1716 return FAIL; | |
1717 | |
1718 /* | |
1719 * If WINDOWID not set, should try another method to find out | |
1720 * what the current window number is. The only code I know for | |
1721 * this is very complicated. | |
1722 * We assume that zero is invalid for WINDOWID. | |
1723 */ | |
1724 if (x11_window == 0 && (winid = getenv("WINDOWID")) != NULL) | |
1725 x11_window = (Window)atol(winid); | |
1726 | |
1727 #ifdef FEAT_XCLIPBOARD | |
1728 if (xterm_dpy != NULL && x11_window != 0) | |
1729 { | |
1450 | 1730 /* We may have checked it already, but Gnome terminal can move us to |
1731 * another window, so we need to check every time. */ | |
1732 if (x11_display_from != XD_XTERM) | |
1733 { | |
1734 /* | |
1735 * If the X11 display was opened here before, for the window where | |
1736 * Vim was started, close that one now to avoid a memory leak. | |
1737 */ | |
1738 if (x11_display_from == XD_HERE && x11_display != NULL) | |
1739 XCloseDisplay(x11_display); | |
1740 x11_display = xterm_dpy; | |
1741 x11_display_from = XD_XTERM; | |
1742 } | |
7 | 1743 if (test_x11_window(x11_display) == FAIL) |
1744 { | |
1745 /* probably bad $WINDOWID */ | |
1746 x11_window = 0; | |
1747 x11_display = NULL; | |
1748 x11_display_from = XD_NONE; | |
1749 return FAIL; | |
1750 } | |
1751 return OK; | |
1752 } | |
1753 #endif | |
1754 | |
1755 if (x11_window == 0 || x11_display == NULL) | |
1756 result = -1; | |
1757 | |
1758 if (result != -1) /* Have already been here and set this */ | |
1759 return result; /* Don't do all these X calls again */ | |
1760 | |
1761 if (x11_window != 0 && x11_display == NULL) | |
1762 { | |
1763 #ifdef SET_SIG_ALARM | |
1764 RETSIGTYPE (*sig_save)(); | |
1765 #endif | |
1766 #if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
1767 struct timeval start_tv; | |
1768 | |
1769 if (p_verbose > 0) | |
1770 gettimeofday(&start_tv, NULL); | |
1771 #endif | |
1772 | |
1773 #ifdef SET_SIG_ALARM | |
1774 /* | |
1775 * Opening the Display may hang if the DISPLAY setting is wrong, or | |
1776 * the network connection is bad. Set an alarm timer to get out. | |
1777 */ | |
1778 sig_alarm_called = FALSE; | |
1779 sig_save = (RETSIGTYPE (*)())signal(SIGALRM, | |
1780 (RETSIGTYPE (*)())sig_alarm); | |
1781 alarm(2); | |
1782 #endif | |
1783 x11_display = XOpenDisplay(NULL); | |
1784 | |
1785 #ifdef SET_SIG_ALARM | |
1786 alarm(0); | |
1787 signal(SIGALRM, (RETSIGTYPE (*)())sig_save); | |
1788 if (p_verbose > 0 && sig_alarm_called) | |
292 | 1789 verb_msg((char_u *)_("Opening the X display timed out")); |
7 | 1790 #endif |
1791 if (x11_display != NULL) | |
1792 { | |
1793 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
1794 if (p_verbose > 0) | |
292 | 1795 { |
1796 verbose_enter(); | |
7 | 1797 xopen_message(&start_tv); |
292 | 1798 verbose_leave(); |
1799 } | |
7 | 1800 # endif |
1801 if (test_x11_window(x11_display) == FAIL) | |
1802 { | |
1803 /* Maybe window id is bad */ | |
1804 x11_window = 0; | |
1805 XCloseDisplay(x11_display); | |
1806 x11_display = NULL; | |
1807 } | |
1808 else | |
1809 x11_display_from = XD_HERE; | |
1810 } | |
1811 } | |
1812 if (x11_window == 0 || x11_display == NULL) | |
1813 return (result = FAIL); | |
2609 | 1814 |
1815 # ifdef FEAT_EVAL | |
1816 set_vim_var_nr(VV_WINDOWID, (long)x11_window); | |
1817 # endif | |
1818 | |
7 | 1819 return (result = OK); |
1820 } | |
1821 | |
1822 /* | |
1823 * Determine original x11 Window Title | |
1824 */ | |
1825 static int | |
1826 get_x11_title(test_only) | |
1827 int test_only; | |
1828 { | |
32 | 1829 return get_x11_thing(TRUE, test_only); |
7 | 1830 } |
1831 | |
1832 /* | |
1833 * Determine original x11 Window icon | |
1834 */ | |
1835 static int | |
1836 get_x11_icon(test_only) | |
1837 int test_only; | |
1838 { | |
1839 int retval = FALSE; | |
1840 | |
1841 retval = get_x11_thing(FALSE, test_only); | |
1842 | |
1843 /* could not get old icon, use terminal name */ | |
1844 if (oldicon == NULL && !test_only) | |
1845 { | |
1846 if (STRNCMP(T_NAME, "builtin_", 8) == 0) | |
1940 | 1847 oldicon = vim_strsave(T_NAME + 8); |
7 | 1848 else |
1940 | 1849 oldicon = vim_strsave(T_NAME); |
7 | 1850 } |
1851 | |
1852 return retval; | |
1853 } | |
1854 | |
1855 static int | |
1856 get_x11_thing(get_title, test_only) | |
1857 int get_title; /* get title string */ | |
1858 int test_only; | |
1859 { | |
1860 XTextProperty text_prop; | |
1861 int retval = FALSE; | |
1862 Status status; | |
1863 | |
1864 if (get_x11_windis() == OK) | |
1865 { | |
1866 /* Get window/icon name if any */ | |
1867 if (get_title) | |
1868 status = XGetWMName(x11_display, x11_window, &text_prop); | |
1869 else | |
1870 status = XGetWMIconName(x11_display, x11_window, &text_prop); | |
1871 | |
1872 /* | |
1873 * If terminal is xterm, then x11_window may be a child window of the | |
1874 * outer xterm window that actually contains the window/icon name, so | |
1875 * keep traversing up the tree until a window with a title/icon is | |
1876 * found. | |
1877 */ | |
1878 /* Previously this was only done for xterm and alikes. I don't see a | |
1879 * reason why it would fail for other terminal emulators. | |
1880 * if (term_is_xterm) */ | |
1881 { | |
1882 Window root; | |
1883 Window parent; | |
1884 Window win = x11_window; | |
1885 Window *children; | |
1886 unsigned int num_children; | |
1887 | |
1888 while (!status || text_prop.value == NULL) | |
1889 { | |
1890 if (!XQueryTree(x11_display, win, &root, &parent, &children, | |
1891 &num_children)) | |
1892 break; | |
1893 if (children) | |
1894 XFree((void *)children); | |
1895 if (parent == root || parent == 0) | |
1896 break; | |
1897 | |
1898 win = parent; | |
1899 if (get_title) | |
1900 status = XGetWMName(x11_display, win, &text_prop); | |
1901 else | |
1902 status = XGetWMIconName(x11_display, win, &text_prop); | |
1903 } | |
1904 } | |
1905 if (status && text_prop.value != NULL) | |
1906 { | |
1907 retval = TRUE; | |
1908 if (!test_only) | |
1909 { | |
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1910 #if defined(FEAT_XFONTSET) || defined(FEAT_MBYTE) |
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1911 if (text_prop.encoding == XA_STRING |
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1912 # ifdef FEAT_MBYTE |
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1913 && !has_mbyte |
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1914 # endif |
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1915 ) |
7 | 1916 { |
1917 #endif | |
1918 if (get_title) | |
1919 oldtitle = vim_strsave((char_u *)text_prop.value); | |
1920 else | |
1921 oldicon = vim_strsave((char_u *)text_prop.value); | |
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1922 #if defined(FEAT_XFONTSET) || defined(FEAT_MBYTE) |
7 | 1923 } |
1924 else | |
1925 { | |
1926 char **cl; | |
1927 Status transform_status; | |
1928 int n = 0; | |
1929 | |
1930 transform_status = XmbTextPropertyToTextList(x11_display, | |
1931 &text_prop, | |
1932 &cl, &n); | |
1933 if (transform_status >= Success && n > 0 && cl[0]) | |
1934 { | |
1935 if (get_title) | |
1936 oldtitle = vim_strsave((char_u *) cl[0]); | |
1937 else | |
1938 oldicon = vim_strsave((char_u *) cl[0]); | |
1939 XFreeStringList(cl); | |
1940 } | |
1941 else | |
1942 { | |
1943 if (get_title) | |
1944 oldtitle = vim_strsave((char_u *)text_prop.value); | |
1945 else | |
1946 oldicon = vim_strsave((char_u *)text_prop.value); | |
1947 } | |
1948 } | |
1949 #endif | |
1950 } | |
1951 XFree((void *)text_prop.value); | |
1952 } | |
1953 } | |
1954 return retval; | |
1955 } | |
1956 | |
1957 /* Are Xutf8 functions available? Avoid error from old compilers. */ | |
1958 #if defined(X_HAVE_UTF8_STRING) && defined(FEAT_MBYTE) | |
1959 # if X_HAVE_UTF8_STRING | |
1960 # define USE_UTF8_STRING | |
1961 # endif | |
1962 #endif | |
1963 | |
1964 /* | |
1965 * Set x11 Window Title | |
1966 * | |
1967 * get_x11_windis() must be called before this and have returned OK | |
1968 */ | |
1969 static void | |
1970 set_x11_title(title) | |
1971 char_u *title; | |
1972 { | |
1973 /* XmbSetWMProperties() and Xutf8SetWMProperties() should use a STRING | |
1974 * when possible, COMPOUND_TEXT otherwise. COMPOUND_TEXT isn't | |
1975 * supported everywhere and STRING doesn't work for multi-byte titles. | |
1976 */ | |
1977 #ifdef USE_UTF8_STRING | |
1978 if (enc_utf8) | |
1979 Xutf8SetWMProperties(x11_display, x11_window, (const char *)title, | |
1980 NULL, NULL, 0, NULL, NULL, NULL); | |
1981 else | |
1982 #endif | |
1983 { | |
1984 #if XtSpecificationRelease >= 4 | |
1985 # ifdef FEAT_XFONTSET | |
1986 XmbSetWMProperties(x11_display, x11_window, (const char *)title, | |
1987 NULL, NULL, 0, NULL, NULL, NULL); | |
1988 # else | |
1989 XTextProperty text_prop; | |
129 | 1990 char *c_title = (char *)title; |
7 | 1991 |
1992 /* directly from example 3-18 "basicwin" of Xlib Programming Manual */ | |
129 | 1993 (void)XStringListToTextProperty(&c_title, 1, &text_prop); |
7 | 1994 XSetWMProperties(x11_display, x11_window, &text_prop, |
1995 NULL, NULL, 0, NULL, NULL, NULL); | |
1996 # endif | |
1997 #else | |
1998 XStoreName(x11_display, x11_window, (char *)title); | |
1999 #endif | |
2000 } | |
2001 XFlush(x11_display); | |
2002 } | |
2003 | |
2004 /* | |
2005 * Set x11 Window icon | |
2006 * | |
2007 * get_x11_windis() must be called before this and have returned OK | |
2008 */ | |
2009 static void | |
2010 set_x11_icon(icon) | |
2011 char_u *icon; | |
2012 { | |
2013 /* See above for comments about using X*SetWMProperties(). */ | |
2014 #ifdef USE_UTF8_STRING | |
2015 if (enc_utf8) | |
2016 Xutf8SetWMProperties(x11_display, x11_window, NULL, (const char *)icon, | |
2017 NULL, 0, NULL, NULL, NULL); | |
2018 else | |
2019 #endif | |
2020 { | |
2021 #if XtSpecificationRelease >= 4 | |
2022 # ifdef FEAT_XFONTSET | |
2023 XmbSetWMProperties(x11_display, x11_window, NULL, (const char *)icon, | |
2024 NULL, 0, NULL, NULL, NULL); | |
2025 # else | |
2026 XTextProperty text_prop; | |
129 | 2027 char *c_icon = (char *)icon; |
2028 | |
2029 (void)XStringListToTextProperty(&c_icon, 1, &text_prop); | |
7 | 2030 XSetWMProperties(x11_display, x11_window, NULL, &text_prop, |
2031 NULL, 0, NULL, NULL, NULL); | |
2032 # endif | |
2033 #else | |
2034 XSetIconName(x11_display, x11_window, (char *)icon); | |
2035 #endif | |
2036 } | |
2037 XFlush(x11_display); | |
2038 } | |
2039 | |
2040 #else /* FEAT_X11 */ | |
2041 | |
2042 static int | |
2043 get_x11_title(test_only) | |
1883 | 2044 int test_only UNUSED; |
7 | 2045 { |
2046 return FALSE; | |
2047 } | |
2048 | |
2049 static int | |
2050 get_x11_icon(test_only) | |
2051 int test_only; | |
2052 { | |
2053 if (!test_only) | |
2054 { | |
2055 if (STRNCMP(T_NAME, "builtin_", 8) == 0) | |
1940 | 2056 oldicon = vim_strsave(T_NAME + 8); |
7 | 2057 else |
1940 | 2058 oldicon = vim_strsave(T_NAME); |
7 | 2059 } |
2060 return FALSE; | |
2061 } | |
2062 | |
2063 #endif /* FEAT_X11 */ | |
2064 | |
2065 int | |
2066 mch_can_restore_title() | |
2067 { | |
2068 return get_x11_title(TRUE); | |
2069 } | |
2070 | |
2071 int | |
2072 mch_can_restore_icon() | |
2073 { | |
2074 return get_x11_icon(TRUE); | |
2075 } | |
2076 | |
2077 /* | |
2078 * Set the window title and icon. | |
2079 */ | |
2080 void | |
2081 mch_settitle(title, icon) | |
2082 char_u *title; | |
2083 char_u *icon; | |
2084 { | |
2085 int type = 0; | |
2086 static int recursive = 0; | |
2087 | |
2088 if (T_NAME == NULL) /* no terminal name (yet) */ | |
2089 return; | |
2090 if (title == NULL && icon == NULL) /* nothing to do */ | |
2091 return; | |
2092 | |
2093 /* When one of the X11 functions causes a deadly signal, we get here again | |
2094 * recursively. Avoid hanging then (something is probably locked). */ | |
2095 if (recursive) | |
2096 return; | |
2097 ++recursive; | |
2098 | |
2099 /* | |
2100 * if the window ID and the display is known, we may use X11 calls | |
2101 */ | |
2102 #ifdef FEAT_X11 | |
2103 if (get_x11_windis() == OK) | |
2104 type = 1; | |
2105 #else | |
2106 # if defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_GTK) | |
2107 if (gui.in_use) | |
2108 type = 1; | |
2109 # endif | |
2110 #endif | |
2111 | |
2112 /* | |
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diff
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2113 * Note: if "t_ts" is set, title is set with escape sequence rather |
7 | 2114 * than x11 calls, because the x11 calls don't always work |
2115 */ | |
2116 if ((type || *T_TS != NUL) && title != NULL) | |
2117 { | |
2118 if (oldtitle == NULL | |
2119 #ifdef FEAT_GUI | |
2120 && !gui.in_use | |
2121 #endif | |
2122 ) /* first call but not in GUI, save title */ | |
2123 (void)get_x11_title(FALSE); | |
2124 | |
2125 if (*T_TS != NUL) /* it's OK if t_fs is empty */ | |
2126 term_settitle(title); | |
2127 #ifdef FEAT_X11 | |
2128 else | |
2129 # ifdef FEAT_GUI_GTK | |
2130 if (!gui.in_use) /* don't do this if GTK+ is running */ | |
2131 # endif | |
2132 set_x11_title(title); /* x11 */ | |
2133 #endif | |
64 | 2134 #if defined(FEAT_GUI_GTK) \ |
7 | 2135 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) |
2136 else | |
2137 gui_mch_settitle(title, icon); | |
2138 #endif | |
2139 did_set_title = TRUE; | |
2140 } | |
2141 | |
2142 if ((type || *T_CIS != NUL) && icon != NULL) | |
2143 { | |
2144 if (oldicon == NULL | |
2145 #ifdef FEAT_GUI | |
2146 && !gui.in_use | |
2147 #endif | |
2148 ) /* first call, save icon */ | |
2149 get_x11_icon(FALSE); | |
2150 | |
2151 if (*T_CIS != NUL) | |
2152 { | |
2153 out_str(T_CIS); /* set icon start */ | |
2154 out_str_nf(icon); | |
2155 out_str(T_CIE); /* set icon end */ | |
2156 out_flush(); | |
2157 } | |
2158 #ifdef FEAT_X11 | |
2159 else | |
2160 # ifdef FEAT_GUI_GTK | |
2161 if (!gui.in_use) /* don't do this if GTK+ is running */ | |
2162 # endif | |
2163 set_x11_icon(icon); /* x11 */ | |
2164 #endif | |
2165 did_set_icon = TRUE; | |
2166 } | |
2167 --recursive; | |
2168 } | |
2169 | |
2170 /* | |
2171 * Restore the window/icon title. | |
2172 * "which" is one of: | |
2173 * 1 only restore title | |
2174 * 2 only restore icon | |
2175 * 3 restore title and icon | |
2176 */ | |
2177 void | |
2178 mch_restore_title(which) | |
2179 int which; | |
2180 { | |
2181 /* only restore the title or icon when it has been set */ | |
2182 mch_settitle(((which & 1) && did_set_title) ? | |
2183 (oldtitle ? oldtitle : p_titleold) : NULL, | |
2184 ((which & 2) && did_set_icon) ? oldicon : NULL); | |
2185 } | |
2186 | |
2187 #endif /* FEAT_TITLE */ | |
2188 | |
2189 /* | |
2190 * Return TRUE if "name" looks like some xterm name. | |
158 | 2191 * Seiichi Sato mentioned that "mlterm" works like xterm. |
7 | 2192 */ |
2193 int | |
2194 vim_is_xterm(name) | |
2195 char_u *name; | |
2196 { | |
2197 if (name == NULL) | |
2198 return FALSE; | |
2199 return (STRNICMP(name, "xterm", 5) == 0 | |
2200 || STRNICMP(name, "nxterm", 6) == 0 | |
2201 || STRNICMP(name, "kterm", 5) == 0 | |
158 | 2202 || STRNICMP(name, "mlterm", 6) == 0 |
7 | 2203 || STRNICMP(name, "rxvt", 4) == 0 |
2204 || STRCMP(name, "builtin_xterm") == 0); | |
2205 } | |
2206 | |
1620 | 2207 #if defined(FEAT_MOUSE_XTERM) || defined(PROTO) |
2208 /* | |
2209 * Return TRUE if "name" appears to be that of a terminal | |
2210 * known to support the xterm-style mouse protocol. | |
2211 * Relies on term_is_xterm having been set to its correct value. | |
2212 */ | |
2213 int | |
2214 use_xterm_like_mouse(name) | |
2215 char_u *name; | |
2216 { | |
2217 return (name != NULL | |
2218 && (term_is_xterm || STRNICMP(name, "screen", 6) == 0)); | |
2219 } | |
2220 #endif | |
2221 | |
7 | 2222 #if defined(FEAT_MOUSE_TTY) || defined(PROTO) |
2223 /* | |
2224 * Return non-zero when using an xterm mouse, according to 'ttymouse'. | |
2225 * Return 1 for "xterm". | |
2226 * Return 2 for "xterm2". | |
3145 | 2227 * Return 3 for "urxvt". |
3746 | 2228 * Return 4 for "sgr". |
7 | 2229 */ |
2230 int | |
2231 use_xterm_mouse() | |
2232 { | |
3746 | 2233 if (ttym_flags == TTYM_SGR) |
2234 return 4; | |
3145 | 2235 if (ttym_flags == TTYM_URXVT) |
2236 return 3; | |
7 | 2237 if (ttym_flags == TTYM_XTERM2) |
2238 return 2; | |
2239 if (ttym_flags == TTYM_XTERM) | |
2240 return 1; | |
2241 return 0; | |
2242 } | |
2243 #endif | |
2244 | |
2245 int | |
2246 vim_is_iris(name) | |
2247 char_u *name; | |
2248 { | |
2249 if (name == NULL) | |
2250 return FALSE; | |
2251 return (STRNICMP(name, "iris-ansi", 9) == 0 | |
2252 || STRCMP(name, "builtin_iris-ansi") == 0); | |
2253 } | |
2254 | |
2255 int | |
2256 vim_is_vt300(name) | |
2257 char_u *name; | |
2258 { | |
2259 if (name == NULL) | |
2260 return FALSE; /* actually all ANSI comp. terminals should be here */ | |
22 | 2261 /* catch VT100 - VT5xx */ |
2262 return ((STRNICMP(name, "vt", 2) == 0 | |
2263 && vim_strchr((char_u *)"12345", name[2]) != NULL) | |
7 | 2264 || STRCMP(name, "builtin_vt320") == 0); |
2265 } | |
2266 | |
2267 /* | |
2268 * Return TRUE if "name" is a terminal for which 'ttyfast' should be set. | |
2269 * This should include all windowed terminal emulators. | |
2270 */ | |
2271 int | |
2272 vim_is_fastterm(name) | |
2273 char_u *name; | |
2274 { | |
2275 if (name == NULL) | |
2276 return FALSE; | |
2277 if (vim_is_xterm(name) || vim_is_vt300(name) || vim_is_iris(name)) | |
2278 return TRUE; | |
2279 return ( STRNICMP(name, "hpterm", 6) == 0 | |
2280 || STRNICMP(name, "sun-cmd", 7) == 0 | |
2281 || STRNICMP(name, "screen", 6) == 0 | |
2282 || STRNICMP(name, "dtterm", 6) == 0); | |
2283 } | |
2284 | |
2285 /* | |
2286 * Insert user name in s[len]. | |
2287 * Return OK if a name found. | |
2288 */ | |
2289 int | |
2290 mch_get_user_name(s, len) | |
2291 char_u *s; | |
2292 int len; | |
2293 { | |
2294 #ifdef VMS | |
509 | 2295 vim_strncpy(s, (char_u *)cuserid(NULL), len - 1); |
7 | 2296 return OK; |
2297 #else | |
2298 return mch_get_uname(getuid(), s, len); | |
2299 #endif | |
2300 } | |
2301 | |
2302 /* | |
2303 * Insert user name for "uid" in s[len]. | |
2304 * Return OK if a name found. | |
2305 */ | |
2306 int | |
2307 mch_get_uname(uid, s, len) | |
2308 uid_t uid; | |
2309 char_u *s; | |
2310 int len; | |
2311 { | |
2312 #if defined(HAVE_PWD_H) && defined(HAVE_GETPWUID) | |
2313 struct passwd *pw; | |
2314 | |
2315 if ((pw = getpwuid(uid)) != NULL | |
2316 && pw->pw_name != NULL && *(pw->pw_name) != NUL) | |
2317 { | |
418 | 2318 vim_strncpy(s, (char_u *)pw->pw_name, len - 1); |
7 | 2319 return OK; |
2320 } | |
2321 #endif | |
2322 sprintf((char *)s, "%d", (int)uid); /* assumes s is long enough */ | |
2323 return FAIL; /* a number is not a name */ | |
2324 } | |
2325 | |
2326 /* | |
2327 * Insert host name is s[len]. | |
2328 */ | |
2329 | |
2330 #ifdef HAVE_SYS_UTSNAME_H | |
2331 void | |
2332 mch_get_host_name(s, len) | |
2333 char_u *s; | |
2334 int len; | |
2335 { | |
2336 struct utsname vutsname; | |
2337 | |
2338 if (uname(&vutsname) < 0) | |
2339 *s = NUL; | |
2340 else | |
418 | 2341 vim_strncpy(s, (char_u *)vutsname.nodename, len - 1); |
7 | 2342 } |
2343 #else /* HAVE_SYS_UTSNAME_H */ | |
2344 | |
2345 # ifdef HAVE_SYS_SYSTEMINFO_H | |
2346 # define gethostname(nam, len) sysinfo(SI_HOSTNAME, nam, len) | |
2347 # endif | |
2348 | |
2349 void | |
2350 mch_get_host_name(s, len) | |
2351 char_u *s; | |
2352 int len; | |
2353 { | |
2354 # ifdef VAXC | |
2355 vaxc$gethostname((char *)s, len); | |
2356 # else | |
2357 gethostname((char *)s, len); | |
2358 # endif | |
2359 s[len - 1] = NUL; /* make sure it's terminated */ | |
2360 } | |
2361 #endif /* HAVE_SYS_UTSNAME_H */ | |
2362 | |
2363 /* | |
2364 * return process ID | |
2365 */ | |
2366 long | |
2367 mch_get_pid() | |
2368 { | |
2369 return (long)getpid(); | |
2370 } | |
2371 | |
2372 #if !defined(HAVE_STRERROR) && defined(USE_GETCWD) | |
2373 static char *strerror __ARGS((int)); | |
2374 | |
2375 static char * | |
2376 strerror(err) | |
2377 int err; | |
2378 { | |
2379 extern int sys_nerr; | |
2380 extern char *sys_errlist[]; | |
2381 static char er[20]; | |
2382 | |
2383 if (err > 0 && err < sys_nerr) | |
2384 return (sys_errlist[err]); | |
2385 sprintf(er, "Error %d", err); | |
2386 return er; | |
2387 } | |
2388 #endif | |
2389 | |
2390 /* | |
2391 * Get name of current directory into buffer 'buf' of length 'len' bytes. | |
2392 * Return OK for success, FAIL for failure. | |
2393 */ | |
2394 int | |
2395 mch_dirname(buf, len) | |
2396 char_u *buf; | |
2397 int len; | |
2398 { | |
2399 #if defined(USE_GETCWD) | |
2400 if (getcwd((char *)buf, len) == NULL) | |
2401 { | |
2402 STRCPY(buf, strerror(errno)); | |
2403 return FAIL; | |
2404 } | |
2405 return OK; | |
2406 #else | |
2407 return (getwd((char *)buf) != NULL ? OK : FAIL); | |
2408 #endif | |
2409 } | |
2410 | |
2411 #if defined(OS2) || defined(PROTO) | |
2412 /* | |
2413 * Replace all slashes by backslashes. | |
2414 * When 'shellslash' set do it the other way around. | |
2415 */ | |
2416 void | |
2417 slash_adjust(p) | |
2418 char_u *p; | |
2419 { | |
2420 while (*p) | |
2421 { | |
2422 if (*p == psepcN) | |
2423 *p = psepc; | |
39 | 2424 mb_ptr_adv(p); |
7 | 2425 } |
2426 } | |
2427 #endif | |
2428 | |
2429 /* | |
1045 | 2430 * Get absolute file name into "buf[len]". |
7 | 2431 * |
2432 * return FAIL for failure, OK for success | |
2433 */ | |
2434 int | |
2435 mch_FullName(fname, buf, len, force) | |
2436 char_u *fname, *buf; | |
2437 int len; | |
2438 int force; /* also expand when already absolute path */ | |
2439 { | |
2440 int l; | |
1082 | 2441 #ifdef OS2 |
7 | 2442 int only_drive; /* file name is only a drive letter */ |
1082 | 2443 #endif |
2444 #ifdef HAVE_FCHDIR | |
7 | 2445 int fd = -1; |
2446 static int dont_fchdir = FALSE; /* TRUE when fchdir() doesn't work */ | |
1082 | 2447 #endif |
7 | 2448 char_u olddir[MAXPATHL]; |
2449 char_u *p; | |
2450 int retval = OK; | |
1615 | 2451 #ifdef __CYGWIN__ |
1620 | 2452 char_u posix_fname[MAXPATHL]; /* Cygwin docs mention MAX_PATH, but |
2453 it's not always defined */ | |
2454 #endif | |
7 | 2455 |
1082 | 2456 #ifdef VMS |
2457 fname = vms_fixfilename(fname); | |
2458 #endif | |
2459 | |
1102 | 2460 #ifdef __CYGWIN__ |
2461 /* | |
2462 * This helps for when "/etc/hosts" is a symlink to "c:/something/hosts". | |
2463 */ | |
1657 | 2464 # if CYGWIN_VERSION_DLL_MAJOR >= 1007 |
2465 cygwin_conv_path(CCP_WIN_A_TO_POSIX, fname, posix_fname, MAXPATHL); | |
2466 # else | |
1615 | 2467 cygwin_conv_to_posix_path(fname, posix_fname); |
1657 | 2468 # endif |
1615 | 2469 fname = posix_fname; |
1102 | 2470 #endif |
2471 | |
7 | 2472 /* expand it if forced or not an absolute path */ |
2473 if (force || !mch_isFullName(fname)) | |
2474 { | |
2475 /* | |
2476 * If the file name has a path, change to that directory for a moment, | |
2477 * and then do the getwd() (and get back to where we were). | |
2478 * This will get the correct path name with "../" things. | |
2479 */ | |
1082 | 2480 #ifdef OS2 |
7 | 2481 only_drive = 0; |
2482 if (((p = vim_strrchr(fname, '/')) != NULL) | |
2483 || ((p = vim_strrchr(fname, '\\')) != NULL) | |
2484 || (((p = vim_strchr(fname, ':')) != NULL) && ++only_drive)) | |
1082 | 2485 #else |
7 | 2486 if ((p = vim_strrchr(fname, '/')) != NULL) |
1082 | 2487 #endif |
7 | 2488 { |
1082 | 2489 #ifdef HAVE_FCHDIR |
7 | 2490 /* |
2491 * Use fchdir() if possible, it's said to be faster and more | |
2492 * reliable. But on SunOS 4 it might not work. Check this by | |
2493 * doing a fchdir() right now. | |
2494 */ | |
2495 if (!dont_fchdir) | |
2496 { | |
2497 fd = open(".", O_RDONLY | O_EXTRA, 0); | |
2498 if (fd >= 0 && fchdir(fd) < 0) | |
2499 { | |
2500 close(fd); | |
2501 fd = -1; | |
2502 dont_fchdir = TRUE; /* don't try again */ | |
2503 } | |
2504 } | |
1082 | 2505 #endif |
7 | 2506 |
2507 /* Only change directory when we are sure we can return to where | |
2508 * we are now. After doing "su" chdir(".") might not work. */ | |
2509 if ( | |
1082 | 2510 #ifdef HAVE_FCHDIR |
7 | 2511 fd < 0 && |
1082 | 2512 #endif |
7 | 2513 (mch_dirname(olddir, MAXPATHL) == FAIL |
2514 || mch_chdir((char *)olddir) != 0)) | |
2515 { | |
2516 p = NULL; /* can't get current dir: don't chdir */ | |
2517 retval = FAIL; | |
2518 } | |
2519 else | |
2520 { | |
1082 | 2521 #ifdef OS2 |
7 | 2522 /* |
2523 * compensate for case where ':' from "D:" was the only | |
2524 * path separator detected in the file name; the _next_ | |
2525 * character has to be removed, and then restored later. | |
2526 */ | |
2527 if (only_drive) | |
2528 p++; | |
1082 | 2529 #endif |
7 | 2530 /* The directory is copied into buf[], to be able to remove |
2531 * the file name without changing it (could be a string in | |
2532 * read-only memory) */ | |
2533 if (p - fname >= len) | |
2534 retval = FAIL; | |
2535 else | |
2536 { | |
418 | 2537 vim_strncpy(buf, fname, p - fname); |
7 | 2538 if (mch_chdir((char *)buf)) |
2539 retval = FAIL; | |
2540 else | |
2541 fname = p + 1; | |
2542 *buf = NUL; | |
2543 } | |
1082 | 2544 #ifdef OS2 |
7 | 2545 if (only_drive) |
2546 { | |
2547 p--; | |
2548 if (retval != FAIL) | |
2549 fname--; | |
2550 } | |
1082 | 2551 #endif |
7 | 2552 } |
2553 } | |
2554 if (mch_dirname(buf, len) == FAIL) | |
2555 { | |
2556 retval = FAIL; | |
2557 *buf = NUL; | |
2558 } | |
2559 if (p != NULL) | |
2560 { | |
1082 | 2561 #ifdef HAVE_FCHDIR |
7 | 2562 if (fd >= 0) |
2563 { | |
1935 | 2564 if (p_verbose >= 5) |
2565 { | |
2566 verbose_enter(); | |
2567 MSG("fchdir() to previous dir"); | |
2568 verbose_leave(); | |
2569 } | |
7 | 2570 l = fchdir(fd); |
2571 close(fd); | |
2572 } | |
2573 else | |
1082 | 2574 #endif |
7 | 2575 l = mch_chdir((char *)olddir); |
2576 if (l != 0) | |
2577 EMSG(_(e_prev_dir)); | |
2578 } | |
2579 | |
2580 l = STRLEN(buf); | |
3867 | 2581 if (l >= len - 1) |
2582 retval = FAIL; /* no space for trailing "/" */ | |
1082 | 2583 #ifndef VMS |
3867 | 2584 else if (l > 0 && buf[l - 1] != '/' && *fname != NUL |
7 | 2585 && STRCMP(fname, ".") != 0) |
3867 | 2586 STRCAT(buf, "/"); |
1082 | 2587 #endif |
7 | 2588 } |
1045 | 2589 |
7 | 2590 /* Catch file names which are too long. */ |
1877 | 2591 if (retval == FAIL || (int)(STRLEN(buf) + STRLEN(fname)) >= len) |
7 | 2592 return FAIL; |
2593 | |
2594 /* Do not append ".", "/dir/." is equal to "/dir". */ | |
2595 if (STRCMP(fname, ".") != 0) | |
2596 STRCAT(buf, fname); | |
2597 | |
2598 return OK; | |
2599 } | |
2600 | |
2601 /* | |
2602 * Return TRUE if "fname" does not depend on the current directory. | |
2603 */ | |
2604 int | |
2605 mch_isFullName(fname) | |
2606 char_u *fname; | |
2607 { | |
2608 #ifdef __EMX__ | |
2609 return _fnisabs(fname); | |
2610 #else | |
2611 # ifdef VMS | |
2612 return ( fname[0] == '/' || fname[0] == '.' || | |
2613 strchr((char *)fname,':') || strchr((char *)fname,'"') || | |
2614 (strchr((char *)fname,'[') && strchr((char *)fname,']'))|| | |
2615 (strchr((char *)fname,'<') && strchr((char *)fname,'>')) ); | |
2616 # else | |
2617 return (*fname == '/' || *fname == '~'); | |
2618 # endif | |
2619 #endif | |
2620 } | |
2621 | |
585 | 2622 #if defined(USE_FNAME_CASE) || defined(PROTO) |
2623 /* | |
2624 * Set the case of the file name, if it already exists. This will cause the | |
2625 * file name to remain exactly the same. | |
1450 | 2626 * Only required for file systems where case is ignored and preserved. |
585 | 2627 */ |
2628 void | |
2629 fname_case(name, len) | |
2630 char_u *name; | |
1883 | 2631 int len UNUSED; /* buffer size, only used when name gets longer */ |
585 | 2632 { |
2633 struct stat st; | |
2634 char_u *slash, *tail; | |
2635 DIR *dirp; | |
2636 struct dirent *dp; | |
2637 | |
2638 if (lstat((char *)name, &st) >= 0) | |
2639 { | |
2640 /* Open the directory where the file is located. */ | |
2641 slash = vim_strrchr(name, '/'); | |
2642 if (slash == NULL) | |
2643 { | |
2644 dirp = opendir("."); | |
2645 tail = name; | |
2646 } | |
2647 else | |
2648 { | |
2649 *slash = NUL; | |
2650 dirp = opendir((char *)name); | |
2651 *slash = '/'; | |
2652 tail = slash + 1; | |
2653 } | |
2654 | |
2655 if (dirp != NULL) | |
2656 { | |
2657 while ((dp = readdir(dirp)) != NULL) | |
2658 { | |
2659 /* Only accept names that differ in case and are the same byte | |
2660 * length. TODO: accept different length name. */ | |
2661 if (STRICMP(tail, dp->d_name) == 0 | |
2662 && STRLEN(tail) == STRLEN(dp->d_name)) | |
2663 { | |
2664 char_u newname[MAXPATHL + 1]; | |
2665 struct stat st2; | |
2666 | |
2667 /* Verify the inode is equal. */ | |
2668 vim_strncpy(newname, name, MAXPATHL); | |
2669 vim_strncpy(newname + (tail - name), (char_u *)dp->d_name, | |
2670 MAXPATHL - (tail - name)); | |
2671 if (lstat((char *)newname, &st2) >= 0 | |
2672 && st.st_ino == st2.st_ino | |
2673 && st.st_dev == st2.st_dev) | |
2674 { | |
2675 STRCPY(tail, dp->d_name); | |
2676 break; | |
2677 } | |
2678 } | |
2679 } | |
2680 | |
2681 closedir(dirp); | |
2682 } | |
2683 } | |
2684 } | |
2685 #endif | |
2686 | |
7 | 2687 /* |
2688 * Get file permissions for 'name'. | |
2689 * Returns -1 when it doesn't exist. | |
2690 */ | |
2691 long | |
2692 mch_getperm(name) | |
2693 char_u *name; | |
2694 { | |
2695 struct stat statb; | |
2696 | |
2697 /* Keep the #ifdef outside of stat(), it may be a macro. */ | |
2698 #ifdef VMS | |
2699 if (stat((char *)vms_fixfilename(name), &statb)) | |
2700 #else | |
2701 if (stat((char *)name, &statb)) | |
2702 #endif | |
2703 return -1; | |
1350 | 2704 #ifdef __INTERIX |
2705 /* The top bit makes the value negative, which means the file doesn't | |
2706 * exist. Remove the bit, we don't use it. */ | |
2707 return statb.st_mode & ~S_ADDACE; | |
2708 #else | |
7 | 2709 return statb.st_mode; |
1350 | 2710 #endif |
7 | 2711 } |
2712 | |
2713 /* | |
2714 * set file permission for 'name' to 'perm' | |
2715 * | |
2716 * return FAIL for failure, OK otherwise | |
2717 */ | |
2718 int | |
2719 mch_setperm(name, perm) | |
2720 char_u *name; | |
2721 long perm; | |
2722 { | |
2723 return (chmod((char *) | |
2724 #ifdef VMS | |
2725 vms_fixfilename(name), | |
2726 #else | |
2727 name, | |
2728 #endif | |
2729 (mode_t)perm) == 0 ? OK : FAIL); | |
2730 } | |
2731 | |
2732 #if defined(HAVE_ACL) || defined(PROTO) | |
2733 # ifdef HAVE_SYS_ACL_H | |
2734 # include <sys/acl.h> | |
2735 # endif | |
2736 # ifdef HAVE_SYS_ACCESS_H | |
2737 # include <sys/access.h> | |
2738 # endif | |
2739 | |
2740 # ifdef HAVE_SOLARIS_ACL | |
2741 typedef struct vim_acl_solaris_T { | |
2742 int acl_cnt; | |
2743 aclent_t *acl_entry; | |
2744 } vim_acl_solaris_T; | |
2745 # endif | |
2746 | |
1583 | 2747 #if defined(HAVE_SELINUX) || defined(PROTO) |
2748 /* | |
2749 * Copy security info from "from_file" to "to_file". | |
2750 */ | |
2751 void | |
2752 mch_copy_sec(from_file, to_file) | |
2753 char_u *from_file; | |
2754 char_u *to_file; | |
2755 { | |
2756 if (from_file == NULL) | |
2757 return; | |
2758 | |
2759 if (selinux_enabled == -1) | |
2760 selinux_enabled = is_selinux_enabled(); | |
2761 | |
2762 if (selinux_enabled > 0) | |
2763 { | |
2764 security_context_t from_context = NULL; | |
2765 security_context_t to_context = NULL; | |
2766 | |
2767 if (getfilecon((char *)from_file, &from_context) < 0) | |
2768 { | |
2769 /* If the filesystem doesn't support extended attributes, | |
2770 the original had no special security context and the | |
2771 target cannot have one either. */ | |
2772 if (errno == EOPNOTSUPP) | |
2773 return; | |
2774 | |
2775 MSG_PUTS(_("\nCould not get security context for ")); | |
2776 msg_outtrans(from_file); | |
2777 msg_putchar('\n'); | |
2778 return; | |
2779 } | |
2780 if (getfilecon((char *)to_file, &to_context) < 0) | |
2781 { | |
2782 MSG_PUTS(_("\nCould not get security context for ")); | |
2783 msg_outtrans(to_file); | |
2784 msg_putchar('\n'); | |
2785 freecon (from_context); | |
2786 return ; | |
2787 } | |
2788 if (strcmp(from_context, to_context) != 0) | |
2789 { | |
2790 if (setfilecon((char *)to_file, from_context) < 0) | |
2791 { | |
2792 MSG_PUTS(_("\nCould not set security context for ")); | |
2793 msg_outtrans(to_file); | |
2794 msg_putchar('\n'); | |
2795 } | |
2796 } | |
2797 freecon(to_context); | |
2798 freecon(from_context); | |
2799 } | |
2800 } | |
2801 #endif /* HAVE_SELINUX */ | |
2802 | |
7 | 2803 /* |
2804 * Return a pointer to the ACL of file "fname" in allocated memory. | |
2805 * Return NULL if the ACL is not available for whatever reason. | |
2806 */ | |
2807 vim_acl_T | |
2808 mch_get_acl(fname) | |
1877 | 2809 char_u *fname UNUSED; |
7 | 2810 { |
2811 vim_acl_T ret = NULL; | |
2812 #ifdef HAVE_POSIX_ACL | |
2813 ret = (vim_acl_T)acl_get_file((char *)fname, ACL_TYPE_ACCESS); | |
2814 #else | |
3330 | 2815 #ifdef HAVE_SOLARIS_ZFS_ACL |
2816 acl_t *aclent; | |
2817 | |
2818 if (acl_get((char *)fname, 0, &aclent) < 0) | |
2819 return NULL; | |
2820 ret = (vim_acl_T)aclent; | |
2821 #else | |
7 | 2822 #ifdef HAVE_SOLARIS_ACL |
2823 vim_acl_solaris_T *aclent; | |
2824 | |
2825 aclent = malloc(sizeof(vim_acl_solaris_T)); | |
2826 if ((aclent->acl_cnt = acl((char *)fname, GETACLCNT, 0, NULL)) < 0) | |
2827 { | |
2828 free(aclent); | |
2829 return NULL; | |
2830 } | |
2831 aclent->acl_entry = malloc(aclent->acl_cnt * sizeof(aclent_t)); | |
2832 if (acl((char *)fname, GETACL, aclent->acl_cnt, aclent->acl_entry) < 0) | |
2833 { | |
2834 free(aclent->acl_entry); | |
2835 free(aclent); | |
2836 return NULL; | |
2837 } | |
2838 ret = (vim_acl_T)aclent; | |
2839 #else | |
2840 #if defined(HAVE_AIX_ACL) | |
2841 int aclsize; | |
2842 struct acl *aclent; | |
2843 | |
2844 aclsize = sizeof(struct acl); | |
2845 aclent = malloc(aclsize); | |
2846 if (statacl((char *)fname, STX_NORMAL, aclent, aclsize) < 0) | |
2847 { | |
2848 if (errno == ENOSPC) | |
2849 { | |
2850 aclsize = aclent->acl_len; | |
2851 aclent = realloc(aclent, aclsize); | |
2852 if (statacl((char *)fname, STX_NORMAL, aclent, aclsize) < 0) | |
2853 { | |
2854 free(aclent); | |
2855 return NULL; | |
2856 } | |
2857 } | |
2858 else | |
2859 { | |
2860 free(aclent); | |
2861 return NULL; | |
2862 } | |
2863 } | |
2864 ret = (vim_acl_T)aclent; | |
2865 #endif /* HAVE_AIX_ACL */ | |
2866 #endif /* HAVE_SOLARIS_ACL */ | |
3330 | 2867 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
7 | 2868 #endif /* HAVE_POSIX_ACL */ |
2869 return ret; | |
2870 } | |
2871 | |
2872 /* | |
2873 * Set the ACL of file "fname" to "acl" (unless it's NULL). | |
2874 */ | |
2875 void | |
2876 mch_set_acl(fname, aclent) | |
1877 | 2877 char_u *fname UNUSED; |
7 | 2878 vim_acl_T aclent; |
2879 { | |
2880 if (aclent == NULL) | |
2881 return; | |
2882 #ifdef HAVE_POSIX_ACL | |
2883 acl_set_file((char *)fname, ACL_TYPE_ACCESS, (acl_t)aclent); | |
2884 #else | |
3330 | 2885 #ifdef HAVE_SOLARIS_ZFS_ACL |
2886 acl_set((char *)fname, (acl_t *)aclent); | |
2887 #else | |
7 | 2888 #ifdef HAVE_SOLARIS_ACL |
2889 acl((char *)fname, SETACL, ((vim_acl_solaris_T *)aclent)->acl_cnt, | |
2890 ((vim_acl_solaris_T *)aclent)->acl_entry); | |
2891 #else | |
2892 #ifdef HAVE_AIX_ACL | |
2893 chacl((char *)fname, aclent, ((struct acl *)aclent)->acl_len); | |
2894 #endif /* HAVE_AIX_ACL */ | |
2895 #endif /* HAVE_SOLARIS_ACL */ | |
3330 | 2896 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
7 | 2897 #endif /* HAVE_POSIX_ACL */ |
2898 } | |
2899 | |
2900 void | |
2901 mch_free_acl(aclent) | |
2902 vim_acl_T aclent; | |
2903 { | |
2904 if (aclent == NULL) | |
2905 return; | |
2906 #ifdef HAVE_POSIX_ACL | |
2907 acl_free((acl_t)aclent); | |
2908 #else | |
3330 | 2909 #ifdef HAVE_SOLARIS_ZFS_ACL |
2910 acl_free((acl_t *)aclent); | |
2911 #else | |
7 | 2912 #ifdef HAVE_SOLARIS_ACL |
2913 free(((vim_acl_solaris_T *)aclent)->acl_entry); | |
2914 free(aclent); | |
2915 #else | |
2916 #ifdef HAVE_AIX_ACL | |
2917 free(aclent); | |
2918 #endif /* HAVE_AIX_ACL */ | |
2919 #endif /* HAVE_SOLARIS_ACL */ | |
3330 | 2920 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
7 | 2921 #endif /* HAVE_POSIX_ACL */ |
2922 } | |
2923 #endif | |
2924 | |
2925 /* | |
2926 * Set hidden flag for "name". | |
2927 */ | |
2928 void | |
2929 mch_hide(name) | |
1877 | 2930 char_u *name UNUSED; |
7 | 2931 { |
2932 /* can't hide a file */ | |
2933 } | |
2934 | |
2935 /* | |
2936 * return TRUE if "name" is a directory | |
2937 * return FALSE if "name" is not a directory | |
2938 * return FALSE for error | |
2939 */ | |
2940 int | |
2941 mch_isdir(name) | |
2942 char_u *name; | |
2943 { | |
2944 struct stat statb; | |
2945 | |
2946 if (*name == NUL) /* Some stat()s don't flag "" as an error. */ | |
2947 return FALSE; | |
2948 if (stat((char *)name, &statb)) | |
2949 return FALSE; | |
2950 #ifdef _POSIX_SOURCE | |
2951 return (S_ISDIR(statb.st_mode) ? TRUE : FALSE); | |
2952 #else | |
2953 return ((statb.st_mode & S_IFMT) == S_IFDIR ? TRUE : FALSE); | |
2954 #endif | |
2955 } | |
2956 | |
2957 static int executable_file __ARGS((char_u *name)); | |
2958 | |
2959 /* | |
2960 * Return 1 if "name" is an executable file, 0 if not or it doesn't exist. | |
2961 */ | |
2962 static int | |
2963 executable_file(name) | |
2964 char_u *name; | |
2965 { | |
2966 struct stat st; | |
2967 | |
2968 if (stat((char *)name, &st)) | |
2969 return 0; | |
2970 return S_ISREG(st.st_mode) && mch_access((char *)name, X_OK) == 0; | |
2971 } | |
2972 | |
2973 /* | |
2974 * Return 1 if "name" can be found in $PATH and executed, 0 if not. | |
2975 * Return -1 if unknown. | |
2976 */ | |
2977 int | |
2978 mch_can_exe(name) | |
2979 char_u *name; | |
2980 { | |
2981 char_u *buf; | |
2982 char_u *p, *e; | |
2983 int retval; | |
2984 | |
2985 /* If it's an absolute or relative path don't need to use $PATH. */ | |
2986 if (mch_isFullName(name) || (name[0] == '.' && (name[1] == '/' | |
2987 || (name[1] == '.' && name[2] == '/')))) | |
2988 return executable_file(name); | |
2989 | |
2990 p = (char_u *)getenv("PATH"); | |
2991 if (p == NULL || *p == NUL) | |
2992 return -1; | |
2993 buf = alloc((unsigned)(STRLEN(name) + STRLEN(p) + 2)); | |
2994 if (buf == NULL) | |
2995 return -1; | |
2996 | |
2997 /* | |
2998 * Walk through all entries in $PATH to check if "name" exists there and | |
2999 * is an executable file. | |
3000 */ | |
3001 for (;;) | |
3002 { | |
3003 e = (char_u *)strchr((char *)p, ':'); | |
3004 if (e == NULL) | |
3005 e = p + STRLEN(p); | |
3006 if (e - p <= 1) /* empty entry means current dir */ | |
3007 STRCPY(buf, "./"); | |
3008 else | |
3009 { | |
418 | 3010 vim_strncpy(buf, p, e - p); |
7 | 3011 add_pathsep(buf); |
3012 } | |
3013 STRCAT(buf, name); | |
3014 retval = executable_file(buf); | |
3015 if (retval == 1) | |
3016 break; | |
3017 | |
3018 if (*e != ':') | |
3019 break; | |
3020 p = e + 1; | |
3021 } | |
3022 | |
3023 vim_free(buf); | |
3024 return retval; | |
3025 } | |
3026 | |
3027 /* | |
3028 * Check what "name" is: | |
3029 * NODE_NORMAL: file or directory (or doesn't exist) | |
3030 * NODE_WRITABLE: writable device, socket, fifo, etc. | |
3031 * NODE_OTHER: non-writable things | |
3032 */ | |
3033 int | |
3034 mch_nodetype(name) | |
3035 char_u *name; | |
3036 { | |
3037 struct stat st; | |
3038 | |
3039 if (stat((char *)name, &st)) | |
3040 return NODE_NORMAL; | |
3041 if (S_ISREG(st.st_mode) || S_ISDIR(st.st_mode)) | |
3042 return NODE_NORMAL; | |
3043 #ifndef OS2 | |
3044 if (S_ISBLK(st.st_mode)) /* block device isn't writable */ | |
3045 return NODE_OTHER; | |
3046 #endif | |
3047 /* Everything else is writable? */ | |
3048 return NODE_WRITABLE; | |
3049 } | |
3050 | |
3051 void | |
3052 mch_early_init() | |
3053 { | |
3054 #ifdef HAVE_CHECK_STACK_GROWTH | |
3055 int i; | |
180 | 3056 |
7 | 3057 check_stack_growth((char *)&i); |
3058 | |
180 | 3059 # ifdef HAVE_STACK_LIMIT |
7 | 3060 get_stack_limit(); |
3061 # endif | |
3062 | |
3063 #endif | |
3064 | |
3065 /* | |
3066 * Setup an alternative stack for signals. Helps to catch signals when | |
3067 * running out of stack space. | |
3068 * Use of sigaltstack() is preferred, it's more portable. | |
3069 * Ignore any errors. | |
3070 */ | |
3071 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
1737 | 3072 signal_stack = (char *)alloc(SIGSTKSZ); |
7 | 3073 init_signal_stack(); |
3074 #endif | |
3075 } | |
3076 | |
355 | 3077 #if defined(EXITFREE) || defined(PROTO) |
3078 void | |
3079 mch_free_mem() | |
3080 { | |
359 | 3081 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
3082 if (clip_star.owned) | |
3083 clip_lose_selection(&clip_star); | |
3084 if (clip_plus.owned) | |
3085 clip_lose_selection(&clip_plus); | |
355 | 3086 # endif |
1605 | 3087 # if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) |
355 | 3088 if (xterm_Shell != (Widget)0) |
3089 XtDestroyWidget(xterm_Shell); | |
1605 | 3090 # ifndef LESSTIF_VERSION |
3091 /* Lesstif crashes here, lose some memory */ | |
355 | 3092 if (xterm_dpy != NULL) |
3093 XtCloseDisplay(xterm_dpy); | |
3094 if (app_context != (XtAppContext)NULL) | |
1605 | 3095 { |
355 | 3096 XtDestroyApplicationContext(app_context); |
1605 | 3097 # ifdef FEAT_X11 |
3098 x11_display = NULL; /* freed by XtDestroyApplicationContext() */ | |
3099 # endif | |
3100 } | |
3101 # endif | |
355 | 3102 # endif |
2277
f42e0b5ff9e9
Change remaining HAVE_GTK2 to FEAT_GUI_GTK.
Bram Moolenaar <bram@vim.org>
parents:
2275
diff
changeset
|
3103 # if defined(FEAT_X11) |
1605 | 3104 if (x11_display != NULL |
3105 # ifdef FEAT_XCLIPBOARD | |
3106 && x11_display != xterm_dpy | |
3107 # endif | |
3108 ) | |
359 | 3109 XCloseDisplay(x11_display); |
3110 # endif | |
3111 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
3112 vim_free(signal_stack); | |
3113 signal_stack = NULL; | |
3114 # endif | |
3115 # ifdef FEAT_TITLE | |
3116 vim_free(oldtitle); | |
3117 vim_free(oldicon); | |
3118 # endif | |
355 | 3119 } |
3120 #endif | |
3121 | |
7 | 3122 static void exit_scroll __ARGS((void)); |
3123 | |
3124 /* | |
3125 * Output a newline when exiting. | |
3126 * Make sure the newline goes to the same stream as the text. | |
3127 */ | |
3128 static void | |
3129 exit_scroll() | |
3130 { | |
167 | 3131 if (silent_mode) |
3132 return; | |
7 | 3133 if (newline_on_exit || msg_didout) |
3134 { | |
3135 if (msg_use_printf()) | |
3136 { | |
3137 if (info_message) | |
3138 mch_msg("\n"); | |
3139 else | |
3140 mch_errmsg("\r\n"); | |
3141 } | |
3142 else | |
3143 out_char('\n'); | |
3144 } | |
3145 else | |
3146 { | |
3147 restore_cterm_colors(); /* get original colors back */ | |
3148 msg_clr_eos_force(); /* clear the rest of the display */ | |
3149 windgoto((int)Rows - 1, 0); /* may have moved the cursor */ | |
3150 } | |
3151 } | |
3152 | |
3153 void | |
3154 mch_exit(r) | |
3155 int r; | |
3156 { | |
3157 exiting = TRUE; | |
3158 | |
3159 #if defined(FEAT_X11) && defined(FEAT_CLIPBOARD) | |
3160 x11_export_final_selection(); | |
3161 #endif | |
3162 | |
3163 #ifdef FEAT_GUI | |
3164 if (!gui.in_use) | |
3165 #endif | |
3166 { | |
3167 settmode(TMODE_COOK); | |
3168 #ifdef FEAT_TITLE | |
3169 mch_restore_title(3); /* restore xterm title and icon name */ | |
3170 #endif | |
3171 /* | |
3172 * When t_ti is not empty but it doesn't cause swapping terminal | |
3173 * pages, need to output a newline when msg_didout is set. But when | |
3174 * t_ti does swap pages it should not go to the shell page. Do this | |
3175 * before stoptermcap(). | |
3176 */ | |
3177 if (swapping_screen() && !newline_on_exit) | |
3178 exit_scroll(); | |
3179 | |
3180 /* Stop termcap: May need to check for T_CRV response, which | |
3181 * requires RAW mode. */ | |
3182 stoptermcap(); | |
3183 | |
3184 /* | |
3185 * A newline is only required after a message in the alternate screen. | |
3186 * This is set to TRUE by wait_return(). | |
3187 */ | |
3188 if (!swapping_screen() || newline_on_exit) | |
3189 exit_scroll(); | |
3190 | |
3191 /* Cursor may have been switched off without calling starttermcap() | |
3192 * when doing "vim -u vimrc" and vimrc contains ":q". */ | |
3193 if (full_screen) | |
3194 cursor_on(); | |
3195 } | |
3196 out_flush(); | |
3197 ml_close_all(TRUE); /* remove all memfiles */ | |
3198 may_core_dump(); | |
3199 #ifdef FEAT_GUI | |
3200 if (gui.in_use) | |
3201 gui_exit(r); | |
3202 #endif | |
167 | 3203 |
765 | 3204 #ifdef MACOS_CONVERT |
167 | 3205 mac_conv_cleanup(); |
3206 #endif | |
3207 | |
7 | 3208 #ifdef __QNX__ |
3209 /* A core dump won't be created if the signal handler | |
3210 * doesn't return, so we can't call exit() */ | |
3211 if (deadly_signal != 0) | |
3212 return; | |
3213 #endif | |
3214 | |
33 | 3215 #ifdef FEAT_NETBEANS_INTG |
2210 | 3216 netbeans_send_disconnect(); |
33 | 3217 #endif |
355 | 3218 |
3219 #ifdef EXITFREE | |
3220 free_all_mem(); | |
3221 #endif | |
3222 | |
7 | 3223 exit(r); |
3224 } | |
3225 | |
3226 static void | |
3227 may_core_dump() | |
3228 { | |
3229 if (deadly_signal != 0) | |
3230 { | |
3231 signal(deadly_signal, SIG_DFL); | |
3232 kill(getpid(), deadly_signal); /* Die using the signal we caught */ | |
3233 } | |
3234 } | |
3235 | |
3236 #ifndef VMS | |
3237 | |
3238 void | |
3239 mch_settmode(tmode) | |
3240 int tmode; | |
3241 { | |
3242 static int first = TRUE; | |
3243 | |
3244 /* Why is NeXT excluded here (and not in os_unixx.h)? */ | |
3245 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__) | |
3246 /* | |
3247 * for "new" tty systems | |
3248 */ | |
3249 # ifdef HAVE_TERMIOS_H | |
3250 static struct termios told; | |
3251 struct termios tnew; | |
3252 # else | |
3253 static struct termio told; | |
3254 struct termio tnew; | |
3255 # endif | |
3256 | |
3257 if (first) | |
3258 { | |
3259 first = FALSE; | |
3260 # if defined(HAVE_TERMIOS_H) | |
3261 tcgetattr(read_cmd_fd, &told); | |
3262 # else | |
3263 ioctl(read_cmd_fd, TCGETA, &told); | |
3264 # endif | |
3265 } | |
3266 | |
3267 tnew = told; | |
3268 if (tmode == TMODE_RAW) | |
3269 { | |
3270 /* | |
3271 * ~ICRNL enables typing ^V^M | |
3272 */ | |
3273 tnew.c_iflag &= ~ICRNL; | |
3274 tnew.c_lflag &= ~(ICANON | ECHO | ISIG | ECHOE | |
3275 # if defined(IEXTEN) && !defined(__MINT__) | |
3276 | IEXTEN /* IEXTEN enables typing ^V on SOLARIS */ | |
3277 /* but it breaks function keys on MINT */ | |
3278 # endif | |
3279 ); | |
3280 # ifdef ONLCR /* don't map NL -> CR NL, we do it ourselves */ | |
3281 tnew.c_oflag &= ~ONLCR; | |
3282 # endif | |
3283 tnew.c_cc[VMIN] = 1; /* return after 1 char */ | |
3284 tnew.c_cc[VTIME] = 0; /* don't wait */ | |
3285 } | |
3286 else if (tmode == TMODE_SLEEP) | |
3287 tnew.c_lflag &= ~(ECHO); | |
3288 | |
3289 # if defined(HAVE_TERMIOS_H) | |
3290 { | |
3291 int n = 10; | |
3292 | |
3293 /* A signal may cause tcsetattr() to fail (e.g., SIGCONT). Retry a | |
3294 * few times. */ | |
3295 while (tcsetattr(read_cmd_fd, TCSANOW, &tnew) == -1 | |
3296 && errno == EINTR && n > 0) | |
3297 --n; | |
3298 } | |
3299 # else | |
3300 ioctl(read_cmd_fd, TCSETA, &tnew); | |
3301 # endif | |
3302 | |
3303 #else | |
3304 | |
3305 /* | |
3306 * for "old" tty systems | |
3307 */ | |
3308 # ifndef TIOCSETN | |
3309 # define TIOCSETN TIOCSETP /* for hpux 9.0 */ | |
3310 # endif | |
3311 static struct sgttyb ttybold; | |
3312 struct sgttyb ttybnew; | |
3313 | |
3314 if (first) | |
3315 { | |
3316 first = FALSE; | |
3317 ioctl(read_cmd_fd, TIOCGETP, &ttybold); | |
3318 } | |
3319 | |
3320 ttybnew = ttybold; | |
3321 if (tmode == TMODE_RAW) | |
3322 { | |
3323 ttybnew.sg_flags &= ~(CRMOD | ECHO); | |
3324 ttybnew.sg_flags |= RAW; | |
3325 } | |
3326 else if (tmode == TMODE_SLEEP) | |
3327 ttybnew.sg_flags &= ~(ECHO); | |
3328 ioctl(read_cmd_fd, TIOCSETN, &ttybnew); | |
3329 #endif | |
3330 curr_tmode = tmode; | |
3331 } | |
3332 | |
3333 /* | |
3334 * Try to get the code for "t_kb" from the stty setting | |
3335 * | |
3336 * Even if termcap claims a backspace key, the user's setting *should* | |
3337 * prevail. stty knows more about reality than termcap does, and if | |
3338 * somebody's usual erase key is DEL (which, for most BSD users, it will | |
3339 * be), they're going to get really annoyed if their erase key starts | |
3340 * doing forward deletes for no reason. (Eric Fischer) | |
3341 */ | |
3342 void | |
3343 get_stty() | |
3344 { | |
3345 char_u buf[2]; | |
3346 char_u *p; | |
3347 | |
3348 /* Why is NeXT excluded here (and not in os_unixx.h)? */ | |
3349 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__) | |
3350 /* for "new" tty systems */ | |
3351 # ifdef HAVE_TERMIOS_H | |
3352 struct termios keys; | |
3353 # else | |
3354 struct termio keys; | |
3355 # endif | |
3356 | |
3357 # if defined(HAVE_TERMIOS_H) | |
3358 if (tcgetattr(read_cmd_fd, &keys) != -1) | |
3359 # else | |
3360 if (ioctl(read_cmd_fd, TCGETA, &keys) != -1) | |
3361 # endif | |
3362 { | |
3363 buf[0] = keys.c_cc[VERASE]; | |
3364 intr_char = keys.c_cc[VINTR]; | |
3365 #else | |
3366 /* for "old" tty systems */ | |
3367 struct sgttyb keys; | |
3368 | |
3369 if (ioctl(read_cmd_fd, TIOCGETP, &keys) != -1) | |
3370 { | |
3371 buf[0] = keys.sg_erase; | |
3372 intr_char = keys.sg_kill; | |
3373 #endif | |
3374 buf[1] = NUL; | |
3375 add_termcode((char_u *)"kb", buf, FALSE); | |
3376 | |
3377 /* | |
3378 * If <BS> and <DEL> are now the same, redefine <DEL>. | |
3379 */ | |
3380 p = find_termcode((char_u *)"kD"); | |
3381 if (p != NULL && p[0] == buf[0] && p[1] == buf[1]) | |
3382 do_fixdel(NULL); | |
3383 } | |
3384 #if 0 | |
3385 } /* to keep cindent happy */ | |
3386 #endif | |
3387 } | |
3388 | |
3389 #endif /* VMS */ | |
3390 | |
3391 #if defined(FEAT_MOUSE_TTY) || defined(PROTO) | |
3392 /* | |
3393 * Set mouse clicks on or off. | |
3394 */ | |
3395 void | |
3396 mch_setmouse(on) | |
3397 int on; | |
3398 { | |
3399 static int ison = FALSE; | |
3400 int xterm_mouse_vers; | |
3401 | |
3402 if (on == ison) /* return quickly if nothing to do */ | |
3403 return; | |
3404 | |
3405 xterm_mouse_vers = use_xterm_mouse(); | |
3145 | 3406 |
3407 # ifdef FEAT_MOUSE_URXVT | |
3746 | 3408 if (ttym_flags == TTYM_URXVT) |
3409 { | |
3145 | 3410 out_str_nf((char_u *) |
3411 (on | |
3412 ? IF_EB("\033[?1015h", ESC_STR "[?1015h") | |
3413 : IF_EB("\033[?1015l", ESC_STR "[?1015l"))); | |
3414 ison = on; | |
3415 } | |
3416 # endif | |
3417 | |
3746 | 3418 # ifdef FEAT_MOUSE_SGR |
3419 if (ttym_flags == TTYM_SGR) | |
3420 { | |
3421 out_str_nf((char_u *) | |
3422 (on | |
3423 ? IF_EB("\033[?1006h", ESC_STR "[?1006h") | |
3424 : IF_EB("\033[?1006l", ESC_STR "[?1006l"))); | |
3425 ison = on; | |
3426 } | |
3427 # endif | |
3428 | |
7 | 3429 if (xterm_mouse_vers > 0) |
3430 { | |
3431 if (on) /* enable mouse events, use mouse tracking if available */ | |
3432 out_str_nf((char_u *) | |
3433 (xterm_mouse_vers > 1 | |
3434 ? IF_EB("\033[?1002h", ESC_STR "[?1002h") | |
3435 : IF_EB("\033[?1000h", ESC_STR "[?1000h"))); | |
3436 else /* disable mouse events, could probably always send the same */ | |
3437 out_str_nf((char_u *) | |
3438 (xterm_mouse_vers > 1 | |
3439 ? IF_EB("\033[?1002l", ESC_STR "[?1002l") | |
3440 : IF_EB("\033[?1000l", ESC_STR "[?1000l"))); | |
3441 ison = on; | |
3442 } | |
3443 | |
3444 # ifdef FEAT_MOUSE_DEC | |
3445 else if (ttym_flags == TTYM_DEC) | |
3446 { | |
3447 if (on) /* enable mouse events */ | |
3448 out_str_nf((char_u *)"\033[1;2'z\033[1;3'{"); | |
3449 else /* disable mouse events */ | |
3450 out_str_nf((char_u *)"\033['z"); | |
3451 ison = on; | |
3452 } | |
3453 # endif | |
3454 | |
3455 # ifdef FEAT_MOUSE_GPM | |
3456 else | |
3457 { | |
3458 if (on) | |
3459 { | |
3460 if (gpm_open()) | |
3461 ison = TRUE; | |
3462 } | |
3463 else | |
3464 { | |
3465 gpm_close(); | |
3466 ison = FALSE; | |
3467 } | |
3468 } | |
3469 # endif | |
3470 | |
1620 | 3471 # ifdef FEAT_SYSMOUSE |
3472 else | |
3473 { | |
3474 if (on) | |
3475 { | |
3476 if (sysmouse_open() == OK) | |
3477 ison = TRUE; | |
3478 } | |
3479 else | |
3480 { | |
3481 sysmouse_close(); | |
3482 ison = FALSE; | |
3483 } | |
3484 } | |
3485 # endif | |
3486 | |
7 | 3487 # ifdef FEAT_MOUSE_JSB |
3488 else | |
3489 { | |
3490 if (on) | |
3491 { | |
3492 /* D - Enable Mouse up/down messages | |
3493 * L - Enable Left Button Reporting | |
3494 * M - Enable Middle Button Reporting | |
3495 * R - Enable Right Button Reporting | |
3496 * K - Enable SHIFT and CTRL key Reporting | |
3497 * + - Enable Advanced messaging of mouse moves and up/down messages | |
3498 * Q - Quiet No Ack | |
3499 * # - Numeric value of mouse pointer required | |
3500 * 0 = Multiview 2000 cursor, used as standard | |
3501 * 1 = Windows Arrow | |
3502 * 2 = Windows I Beam | |
3503 * 3 = Windows Hour Glass | |
3504 * 4 = Windows Cross Hair | |
3505 * 5 = Windows UP Arrow | |
3506 */ | |
4299 | 3507 # ifdef JSBTERM_MOUSE_NONADVANCED |
3508 /* Disables full feedback of pointer movements */ | |
7 | 3509 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK1Q\033\\", |
3510 ESC_STR "[0~ZwLMRK1Q" ESC_STR "\\")); | |
4299 | 3511 # else |
7 | 3512 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK+1Q\033\\", |
3513 ESC_STR "[0~ZwLMRK+1Q" ESC_STR "\\")); | |
4299 | 3514 # endif |
7 | 3515 ison = TRUE; |
3516 } | |
3517 else | |
3518 { | |
3519 out_str_nf((char_u *)IF_EB("\033[0~ZwQ\033\\", | |
3520 ESC_STR "[0~ZwQ" ESC_STR "\\")); | |
3521 ison = FALSE; | |
3522 } | |
3523 } | |
3524 # endif | |
3525 # ifdef FEAT_MOUSE_PTERM | |
3526 else | |
3527 { | |
3528 /* 1 = button press, 6 = release, 7 = drag, 1h...9l = right button */ | |
3529 if (on) | |
3530 out_str_nf("\033[>1h\033[>6h\033[>7h\033[>1h\033[>9l"); | |
3531 else | |
3532 out_str_nf("\033[>1l\033[>6l\033[>7l\033[>1l\033[>9h"); | |
3533 ison = on; | |
3534 } | |
3535 # endif | |
3536 } | |
3537 | |
3538 /* | |
3539 * Set the mouse termcode, depending on the 'term' and 'ttymouse' options. | |
3540 */ | |
3541 void | |
3542 check_mouse_termcode() | |
3543 { | |
3544 # ifdef FEAT_MOUSE_XTERM | |
3545 if (use_xterm_mouse() | |
3145 | 3546 # ifdef FEAT_MOUSE_URXVT |
3547 && use_xterm_mouse() != 3 | |
3548 # endif | |
7 | 3549 # ifdef FEAT_GUI |
3550 && !gui.in_use | |
3551 # endif | |
3552 ) | |
3553 { | |
3554 set_mouse_termcode(KS_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
180 | 3555 ? IF_EB("\233M", CSI_STR "M") |
3556 : IF_EB("\033[M", ESC_STR "[M"))); | |
7 | 3557 if (*p_mouse != NUL) |
3558 { | |
3559 /* force mouse off and maybe on to send possibly new mouse | |
3560 * activation sequence to the xterm, with(out) drag tracing. */ | |
3561 mch_setmouse(FALSE); | |
3562 setmouse(); | |
3563 } | |
3564 } | |
3565 else | |
3566 del_mouse_termcode(KS_MOUSE); | |
3567 # endif | |
3568 | |
3569 # ifdef FEAT_MOUSE_GPM | |
3570 if (!use_xterm_mouse() | |
3571 # ifdef FEAT_GUI | |
3572 && !gui.in_use | |
3573 # endif | |
3574 ) | |
3575 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MG", ESC_STR "MG")); | |
3576 # endif | |
3577 | |
1620 | 3578 # ifdef FEAT_SYSMOUSE |
3579 if (!use_xterm_mouse() | |
3580 # ifdef FEAT_GUI | |
3581 && !gui.in_use | |
3582 # endif | |
3583 ) | |
3584 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MS", ESC_STR "MS")); | |
3585 # endif | |
3586 | |
7 | 3587 # ifdef FEAT_MOUSE_JSB |
3588 /* conflicts with xterm mouse: "\033[" and "\033[M" ??? */ | |
3589 if (!use_xterm_mouse() | |
3590 # ifdef FEAT_GUI | |
3591 && !gui.in_use | |
3592 # endif | |
3593 ) | |
3594 set_mouse_termcode(KS_JSBTERM_MOUSE, | |
3595 (char_u *)IF_EB("\033[0~zw", ESC_STR "[0~zw")); | |
3596 else | |
3597 del_mouse_termcode(KS_JSBTERM_MOUSE); | |
3598 # endif | |
3599 | |
3600 # ifdef FEAT_MOUSE_NET | |
180 | 3601 /* There is no conflict, but one may type "ESC }" from Insert mode. Don't |
7 | 3602 * define it in the GUI or when using an xterm. */ |
3603 if (!use_xterm_mouse() | |
3604 # ifdef FEAT_GUI | |
3605 && !gui.in_use | |
3606 # endif | |
3607 ) | |
3608 set_mouse_termcode(KS_NETTERM_MOUSE, | |
3609 (char_u *)IF_EB("\033}", ESC_STR "}")); | |
3610 else | |
3611 del_mouse_termcode(KS_NETTERM_MOUSE); | |
3612 # endif | |
3613 | |
3614 # ifdef FEAT_MOUSE_DEC | |
3615 /* conflicts with xterm mouse: "\033[" and "\033[M" */ | |
3616 if (!use_xterm_mouse() | |
3617 # ifdef FEAT_GUI | |
3618 && !gui.in_use | |
3619 # endif | |
3620 ) | |
180 | 3621 set_mouse_termcode(KS_DEC_MOUSE, (char_u *)(term_is_8bit(T_NAME) |
3622 ? IF_EB("\233", CSI_STR) : IF_EB("\033[", ESC_STR "["))); | |
7 | 3623 else |
3624 del_mouse_termcode(KS_DEC_MOUSE); | |
3625 # endif | |
3626 # ifdef FEAT_MOUSE_PTERM | |
3627 /* same as the dec mouse */ | |
3628 if (!use_xterm_mouse() | |
3629 # ifdef FEAT_GUI | |
3630 && !gui.in_use | |
3631 # endif | |
3632 ) | |
3633 set_mouse_termcode(KS_PTERM_MOUSE, | |
3634 (char_u *) IF_EB("\033[", ESC_STR "[")); | |
3635 else | |
3636 del_mouse_termcode(KS_PTERM_MOUSE); | |
3637 # endif | |
3145 | 3638 # ifdef FEAT_MOUSE_URXVT |
3639 /* same as the dec mouse */ | |
3640 if (use_xterm_mouse() == 3 | |
3641 # ifdef FEAT_GUI | |
3642 && !gui.in_use | |
3643 # endif | |
3644 ) | |
3645 { | |
3646 set_mouse_termcode(KS_URXVT_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
3647 ? IF_EB("\233", CSI_STR) | |
3648 : IF_EB("\033[", ESC_STR "["))); | |
3649 | |
3650 if (*p_mouse != NUL) | |
3651 { | |
3652 mch_setmouse(FALSE); | |
3653 setmouse(); | |
3654 } | |
3655 } | |
3656 else | |
3657 del_mouse_termcode(KS_URXVT_MOUSE); | |
3658 # endif | |
3746 | 3659 # ifdef FEAT_MOUSE_SGR |
3660 /* same as the dec mouse */ | |
3661 if (use_xterm_mouse() == 4 | |
3662 # ifdef FEAT_GUI | |
3663 && !gui.in_use | |
3664 # endif | |
3665 ) | |
3666 { | |
3667 set_mouse_termcode(KS_SGR_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
3668 ? IF_EB("\233<", CSI_STR "<") | |
3669 : IF_EB("\033[<", ESC_STR "[<"))); | |
3670 | |
3671 if (*p_mouse != NUL) | |
3672 { | |
3673 mch_setmouse(FALSE); | |
3674 setmouse(); | |
3675 } | |
3676 } | |
3677 else | |
3678 del_mouse_termcode(KS_SGR_MOUSE); | |
3679 # endif | |
7 | 3680 } |
3681 #endif | |
3682 | |
3683 /* | |
3684 * set screen mode, always fails. | |
3685 */ | |
3686 int | |
3687 mch_screenmode(arg) | |
1877 | 3688 char_u *arg UNUSED; |
7 | 3689 { |
3690 EMSG(_(e_screenmode)); | |
3691 return FAIL; | |
3692 } | |
3693 | |
3694 #ifndef VMS | |
3695 | |
3696 /* | |
3697 * Try to get the current window size: | |
3698 * 1. with an ioctl(), most accurate method | |
3699 * 2. from the environment variables LINES and COLUMNS | |
3700 * 3. from the termcap | |
3701 * 4. keep using the old values | |
3702 * Return OK when size could be determined, FAIL otherwise. | |
3703 */ | |
3704 int | |
3705 mch_get_shellsize() | |
3706 { | |
3707 long rows = 0; | |
3708 long columns = 0; | |
3709 char_u *p; | |
3710 | |
3711 /* | |
3712 * For OS/2 use _scrsize(). | |
3713 */ | |
3714 # ifdef __EMX__ | |
3715 { | |
3716 int s[2]; | |
3717 | |
3718 _scrsize(s); | |
3719 columns = s[0]; | |
3720 rows = s[1]; | |
3721 } | |
3722 # endif | |
3723 | |
3724 /* | |
3725 * 1. try using an ioctl. It is the most accurate method. | |
3726 * | |
3727 * Try using TIOCGWINSZ first, some systems that have it also define | |
3728 * TIOCGSIZE but don't have a struct ttysize. | |
3729 */ | |
3730 # ifdef TIOCGWINSZ | |
3731 { | |
3732 struct winsize ws; | |
3733 int fd = 1; | |
3734 | |
3735 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
3736 if (!isatty(fd) && isatty(read_cmd_fd)) | |
3737 fd = read_cmd_fd; | |
3738 if (ioctl(fd, TIOCGWINSZ, &ws) == 0) | |
3739 { | |
3740 columns = ws.ws_col; | |
3741 rows = ws.ws_row; | |
3742 } | |
3743 } | |
3744 # else /* TIOCGWINSZ */ | |
3745 # ifdef TIOCGSIZE | |
3746 { | |
3747 struct ttysize ts; | |
3748 int fd = 1; | |
3749 | |
3750 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
3751 if (!isatty(fd) && isatty(read_cmd_fd)) | |
3752 fd = read_cmd_fd; | |
3753 if (ioctl(fd, TIOCGSIZE, &ts) == 0) | |
3754 { | |
3755 columns = ts.ts_cols; | |
3756 rows = ts.ts_lines; | |
3757 } | |
3758 } | |
3759 # endif /* TIOCGSIZE */ | |
3760 # endif /* TIOCGWINSZ */ | |
3761 | |
3762 /* | |
3763 * 2. get size from environment | |
164 | 3764 * When being POSIX compliant ('|' flag in 'cpoptions') this overrules |
3765 * the ioctl() values! | |
7 | 3766 */ |
164 | 3767 if (columns == 0 || rows == 0 || vim_strchr(p_cpo, CPO_TSIZE) != NULL) |
7 | 3768 { |
3769 if ((p = (char_u *)getenv("LINES"))) | |
3770 rows = atoi((char *)p); | |
3771 if ((p = (char_u *)getenv("COLUMNS"))) | |
3772 columns = atoi((char *)p); | |
3773 } | |
3774 | |
3775 #ifdef HAVE_TGETENT | |
3776 /* | |
3777 * 3. try reading "co" and "li" entries from termcap | |
3778 */ | |
3779 if (columns == 0 || rows == 0) | |
3780 getlinecol(&columns, &rows); | |
3781 #endif | |
3782 | |
3783 /* | |
3784 * 4. If everything fails, use the old values | |
3785 */ | |
3786 if (columns <= 0 || rows <= 0) | |
3787 return FAIL; | |
3788 | |
3789 Rows = rows; | |
3790 Columns = columns; | |
5070
cf52d2a8c05c
updated for version 7.3.1278
Bram Moolenaar <bram@vim.org>
parents:
5037
diff
changeset
|
3791 limit_screen_size(); |
7 | 3792 return OK; |
3793 } | |
3794 | |
3795 /* | |
3796 * Try to set the window size to Rows and Columns. | |
3797 */ | |
3798 void | |
3799 mch_set_shellsize() | |
3800 { | |
3801 if (*T_CWS) | |
3802 { | |
3803 /* | |
3804 * NOTE: if you get an error here that term_set_winsize() is | |
3805 * undefined, check the output of configure. It could probably not | |
3806 * find a ncurses, termcap or termlib library. | |
3807 */ | |
3808 term_set_winsize((int)Rows, (int)Columns); | |
3809 out_flush(); | |
3810 screen_start(); /* don't know where cursor is now */ | |
3811 } | |
3812 } | |
3813 | |
3814 #endif /* VMS */ | |
3815 | |
3816 /* | |
3817 * Rows and/or Columns has changed. | |
3818 */ | |
3819 void | |
3820 mch_new_shellsize() | |
3821 { | |
3822 /* Nothing to do. */ | |
3823 } | |
3824 | |
3048 | 3825 /* |
3826 * Wait for process "child" to end. | |
3827 * Return "child" if it exited properly, <= 0 on error. | |
3828 */ | |
3829 static pid_t | |
3830 wait4pid(child, status) | |
3831 pid_t child; | |
3832 waitstatus *status; | |
3833 { | |
3834 pid_t wait_pid = 0; | |
3835 | |
3836 while (wait_pid != child) | |
3837 { | |
3470 | 3838 /* When compiled with Python threads are probably used, in which case |
3839 * wait() sometimes hangs for no obvious reason. Use waitpid() | |
3840 * instead and loop (like the GUI). Also needed for other interfaces, | |
3841 * they might call system(). */ | |
3842 # ifdef __NeXT__ | |
3048 | 3843 wait_pid = wait4(child, status, WNOHANG, (struct rusage *)0); |
3470 | 3844 # else |
3048 | 3845 wait_pid = waitpid(child, status, WNOHANG); |
3470 | 3846 # endif |
3048 | 3847 if (wait_pid == 0) |
3848 { | |
4074 | 3849 /* Wait for 10 msec before trying again. */ |
3048 | 3850 mch_delay(10L, TRUE); |
3851 continue; | |
3852 } | |
3853 if (wait_pid <= 0 | |
3854 # ifdef ECHILD | |
3855 && errno == ECHILD | |
3856 # endif | |
3857 ) | |
3858 break; | |
3859 } | |
3860 return wait_pid; | |
3861 } | |
3862 | |
7 | 3863 int |
3864 mch_call_shell(cmd, options) | |
3865 char_u *cmd; | |
3866 int options; /* SHELL_*, see vim.h */ | |
3867 { | |
3868 #ifdef VMS | |
3869 char *ifn = NULL; | |
3870 char *ofn = NULL; | |
3871 #endif | |
3872 int tmode = cur_tmode; | |
3873 #ifdef USE_SYSTEM /* use system() to start the shell: simple but slow */ | |
3874 int x; | |
3875 # ifndef __EMX__ | |
3876 char_u *newcmd; /* only needed for unix */ | |
3877 # else | |
3878 /* | |
3879 * Set the preferred shell in the EMXSHELL environment variable (but | |
3880 * only if it is different from what is already in the environment). | |
3881 * Emx then takes care of whether to use "/c" or "-c" in an | |
3882 * intelligent way. Simply pass the whole thing to emx's system() call. | |
3883 * Emx also starts an interactive shell if system() is passed an empty | |
3884 * string. | |
3885 */ | |
3886 char_u *p, *old; | |
3887 | |
3888 if (((old = (char_u *)getenv("EMXSHELL")) == NULL) || STRCMP(old, p_sh)) | |
3889 { | |
3890 /* should check HAVE_SETENV, but I know we don't have it. */ | |
3891 p = alloc(10 + strlen(p_sh)); | |
3892 if (p) | |
3893 { | |
3894 sprintf((char *)p, "EMXSHELL=%s", p_sh); | |
3895 putenv((char *)p); /* don't free the pointer! */ | |
3896 } | |
3897 } | |
3898 # endif | |
3899 | |
3900 out_flush(); | |
3901 | |
3902 if (options & SHELL_COOKED) | |
3903 settmode(TMODE_COOK); /* set to normal mode */ | |
3904 | |
2586 | 3905 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
4209 | 3906 save_clipboard(); |
2586 | 3907 loose_clipboard(); |
3908 # endif | |
3909 | |
7 | 3910 # ifdef __EMX__ |
3911 if (cmd == NULL) | |
3912 x = system(""); /* this starts an interactive shell in emx */ | |
3913 else | |
3914 x = system((char *)cmd); | |
3915 /* system() returns -1 when error occurs in starting shell */ | |
3916 if (x == -1 && !emsg_silent) | |
3917 { | |
3918 MSG_PUTS(_("\nCannot execute shell ")); | |
3919 msg_outtrans(p_sh); | |
3920 msg_putchar('\n'); | |
3921 } | |
3922 # else /* not __EMX__ */ | |
3923 if (cmd == NULL) | |
3924 x = system((char *)p_sh); | |
3925 else | |
3926 { | |
3927 # ifdef VMS | |
3928 if (ofn = strchr((char *)cmd, '>')) | |
3929 *ofn++ = '\0'; | |
3930 if (ifn = strchr((char *)cmd, '<')) | |
3931 { | |
3932 char *p; | |
3933 | |
3934 *ifn++ = '\0'; | |
3935 p = strchr(ifn,' '); /* chop off any trailing spaces */ | |
3936 if (p) | |
3937 *p = '\0'; | |
3938 } | |
3939 if (ofn) | |
3940 x = vms_sys((char *)cmd, ofn, ifn); | |
3941 else | |
3942 x = system((char *)cmd); | |
3943 # else | |
3944 newcmd = lalloc(STRLEN(p_sh) | |
3945 + (extra_shell_arg == NULL ? 0 : STRLEN(extra_shell_arg)) | |
3946 + STRLEN(p_shcf) + STRLEN(cmd) + 4, TRUE); | |
3947 if (newcmd == NULL) | |
3948 x = 0; | |
3949 else | |
3950 { | |
3951 sprintf((char *)newcmd, "%s %s %s %s", p_sh, | |
3952 extra_shell_arg == NULL ? "" : (char *)extra_shell_arg, | |
3953 (char *)p_shcf, | |
3954 (char *)cmd); | |
3955 x = system((char *)newcmd); | |
3956 vim_free(newcmd); | |
3957 } | |
3958 # endif | |
3959 } | |
3960 # ifdef VMS | |
3961 x = vms_sys_status(x); | |
3962 # endif | |
3963 if (emsg_silent) | |
3964 ; | |
3965 else if (x == 127) | |
3966 MSG_PUTS(_("\nCannot execute shell sh\n")); | |
3967 # endif /* __EMX__ */ | |
3968 else if (x && !(options & SHELL_SILENT)) | |
3969 { | |
3970 MSG_PUTS(_("\nshell returned ")); | |
3971 msg_outnum((long)x); | |
3972 msg_putchar('\n'); | |
3973 } | |
3974 | |
3975 if (tmode == TMODE_RAW) | |
3976 settmode(TMODE_RAW); /* set to raw mode */ | |
3977 # ifdef FEAT_TITLE | |
3978 resettitle(); | |
3979 # endif | |
4209 | 3980 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
3981 restore_clipboard(); | |
3982 # endif | |
7 | 3983 return x; |
3984 | |
3985 #else /* USE_SYSTEM */ /* don't use system(), use fork()/exec() */ | |
3986 | |
167 | 3987 # define EXEC_FAILED 122 /* Exit code when shell didn't execute. Don't use |
3988 127, some shells use that already */ | |
7 | 3989 |
3990 char_u *newcmd = NULL; | |
3991 pid_t pid; | |
167 | 3992 pid_t wpid = 0; |
7 | 3993 pid_t wait_pid = 0; |
3994 # ifdef HAVE_UNION_WAIT | |
3995 union wait status; | |
3996 # else | |
3997 int status = -1; | |
3998 # endif | |
3999 int retval = -1; | |
4000 char **argv = NULL; | |
4001 int argc; | |
2994 | 4002 char_u *p_shcf_copy = NULL; |
7 | 4003 int i; |
4004 char_u *p; | |
4005 int inquote; | |
167 | 4006 int pty_master_fd = -1; /* for pty's */ |
7 | 4007 # ifdef FEAT_GUI |
4008 int pty_slave_fd = -1; | |
4009 char *tty_name; | |
167 | 4010 # endif |
602 | 4011 int fd_toshell[2]; /* for pipes */ |
7 | 4012 int fd_fromshell[2]; |
4013 int pipe_error = FALSE; | |
167 | 4014 # ifdef HAVE_SETENV |
7 | 4015 char envbuf[50]; |
167 | 4016 # else |
7 | 4017 static char envbuf_Rows[20]; |
4018 static char envbuf_Columns[20]; | |
4019 # endif | |
602 | 4020 int did_settmode = FALSE; /* settmode(TMODE_RAW) called */ |
7 | 4021 |
2586 | 4022 newcmd = vim_strsave(p_sh); |
4023 if (newcmd == NULL) /* out of memory */ | |
4024 goto error; | |
4025 | |
7 | 4026 out_flush(); |
4027 if (options & SHELL_COOKED) | |
4028 settmode(TMODE_COOK); /* set to normal mode */ | |
4029 | |
602 | 4030 /* |
4031 * Do this loop twice: | |
4032 * 1: find number of arguments | |
4033 * 2: separate them and build argv[] | |
4034 */ | |
7 | 4035 for (i = 0; i < 2; ++i) |
4036 { | |
4037 p = newcmd; | |
4038 inquote = FALSE; | |
4039 argc = 0; | |
4040 for (;;) | |
4041 { | |
4042 if (i == 1) | |
4043 argv[argc] = (char *)p; | |
4044 ++argc; | |
4045 while (*p && (inquote || (*p != ' ' && *p != TAB))) | |
4046 { | |
4047 if (*p == '"') | |
4048 inquote = !inquote; | |
4049 ++p; | |
4050 } | |
4051 if (*p == NUL) | |
4052 break; | |
4053 if (i == 1) | |
4054 *p++ = NUL; | |
4055 p = skipwhite(p); | |
4056 } | |
840 | 4057 if (argv == NULL) |
7 | 4058 { |
2994 | 4059 /* |
4060 * Account for possible multiple args in p_shcf. | |
4061 */ | |
4062 p = p_shcf; | |
4063 for (;;) | |
4064 { | |
4065 p = skiptowhite(p); | |
4066 if (*p == NUL) | |
4067 break; | |
4068 ++argc; | |
4069 p = skipwhite(p); | |
4070 } | |
4071 | |
7 | 4072 argv = (char **)alloc((unsigned)((argc + 4) * sizeof(char *))); |
4073 if (argv == NULL) /* out of memory */ | |
4074 goto error; | |
4075 } | |
4076 } | |
4077 if (cmd != NULL) | |
4078 { | |
3263 | 4079 char_u *s; |
4080 | |
7 | 4081 if (extra_shell_arg != NULL) |
4082 argv[argc++] = (char *)extra_shell_arg; | |
2994 | 4083 |
4084 /* Break 'shellcmdflag' into white separated parts. This doesn't | |
4085 * handle quoted strings, they are very unlikely to appear. */ | |
4086 p_shcf_copy = alloc((unsigned)STRLEN(p_shcf) + 1); | |
4087 if (p_shcf_copy == NULL) /* out of memory */ | |
4088 goto error; | |
4089 s = p_shcf_copy; | |
4090 p = p_shcf; | |
4091 while (*p != NUL) | |
4092 { | |
4093 argv[argc++] = (char *)s; | |
4094 while (*p && *p != ' ' && *p != TAB) | |
4095 *s++ = *p++; | |
4096 *s++ = NUL; | |
4097 p = skipwhite(p); | |
4098 } | |
4099 | |
7 | 4100 argv[argc++] = (char *)cmd; |
4101 } | |
4102 argv[argc] = NULL; | |
4103 | |
167 | 4104 /* |
4105 * For the GUI, when writing the output into the buffer and when reading | |
4106 * input from the buffer: Try using a pseudo-tty to get the stdin/stdout | |
4107 * of the executed command into the Vim window. Or use a pipe. | |
4108 */ | |
4109 if ((options & (SHELL_READ|SHELL_WRITE)) | |
7 | 4110 # ifdef FEAT_GUI |
167 | 4111 || (gui.in_use && show_shell_mess) |
4112 # endif | |
4113 ) | |
7 | 4114 { |
167 | 4115 # ifdef FEAT_GUI |
7 | 4116 /* |
4117 * Try to open a master pty. | |
4118 * If this works, open the slave pty. | |
4119 * If the slave can't be opened, close the master pty. | |
4120 */ | |
167 | 4121 if (p_guipty && !(options & (SHELL_READ|SHELL_WRITE))) |
7 | 4122 { |
4123 pty_master_fd = OpenPTY(&tty_name); /* open pty */ | |
2992 | 4124 if (pty_master_fd >= 0) |
7 | 4125 { |
2992 | 4126 /* Leaving out O_NOCTTY may lead to waitpid() always returning |
4127 * 0 on Mac OS X 10.7 thereby causing freezes. Let's assume | |
4128 * adding O_NOCTTY always works when defined. */ | |
4129 #ifdef O_NOCTTY | |
4130 pty_slave_fd = open(tty_name, O_RDWR | O_NOCTTY | O_EXTRA, 0); | |
4131 #else | |
4132 pty_slave_fd = open(tty_name, O_RDWR | O_EXTRA, 0); | |
4133 #endif | |
4134 if (pty_slave_fd < 0) | |
4135 { | |
4136 close(pty_master_fd); | |
4137 pty_master_fd = -1; | |
4138 } | |
7 | 4139 } |
4140 } | |
4141 /* | |
4142 * If not opening a pty or it didn't work, try using pipes. | |
4143 */ | |
4144 if (pty_master_fd < 0) | |
167 | 4145 # endif |
7 | 4146 { |
4147 pipe_error = (pipe(fd_toshell) < 0); | |
4148 if (!pipe_error) /* pipe create OK */ | |
4149 { | |
4150 pipe_error = (pipe(fd_fromshell) < 0); | |
4151 if (pipe_error) /* pipe create failed */ | |
4152 { | |
4153 close(fd_toshell[0]); | |
4154 close(fd_toshell[1]); | |
4155 } | |
4156 } | |
4157 if (pipe_error) | |
4158 { | |
4159 MSG_PUTS(_("\nCannot create pipes\n")); | |
4160 out_flush(); | |
4161 } | |
4162 } | |
4163 } | |
4164 | |
4165 if (!pipe_error) /* pty or pipe opened or not used */ | |
4166 { | |
4167 # ifdef __BEOS__ | |
4168 beos_cleanup_read_thread(); | |
4169 # endif | |
602 | 4170 |
7 | 4171 if ((pid = fork()) == -1) /* maybe we should use vfork() */ |
4172 { | |
4173 MSG_PUTS(_("\nCannot fork\n")); | |
167 | 4174 if ((options & (SHELL_READ|SHELL_WRITE)) |
7 | 4175 # ifdef FEAT_GUI |
167 | 4176 || (gui.in_use && show_shell_mess) |
4177 # endif | |
4178 ) | |
7 | 4179 { |
167 | 4180 # ifdef FEAT_GUI |
7 | 4181 if (pty_master_fd >= 0) /* close the pseudo tty */ |
4182 { | |
4183 close(pty_master_fd); | |
4184 close(pty_slave_fd); | |
4185 } | |
4186 else /* close the pipes */ | |
167 | 4187 # endif |
7 | 4188 { |
4189 close(fd_toshell[0]); | |
4190 close(fd_toshell[1]); | |
4191 close(fd_fromshell[0]); | |
4192 close(fd_fromshell[1]); | |
4193 } | |
4194 } | |
4195 } | |
4196 else if (pid == 0) /* child */ | |
4197 { | |
4198 reset_signals(); /* handle signals normally */ | |
4199 | |
4200 if (!show_shell_mess || (options & SHELL_EXPAND)) | |
4201 { | |
4202 int fd; | |
4203 | |
4204 /* | |
4205 * Don't want to show any message from the shell. Can't just | |
4206 * close stdout and stderr though, because some systems will | |
4207 * break if you try to write to them after that, so we must | |
4208 * use dup() to replace them with something else -- webb | |
4209 * Connect stdin to /dev/null too, so ":n `cat`" doesn't hang, | |
4210 * waiting for input. | |
4211 */ | |
4212 fd = open("/dev/null", O_RDWR | O_EXTRA, 0); | |
4213 fclose(stdin); | |
4214 fclose(stdout); | |
4215 fclose(stderr); | |
4216 | |
4217 /* | |
4218 * If any of these open()'s and dup()'s fail, we just continue | |
4219 * anyway. It's not fatal, and on most systems it will make | |
4220 * no difference at all. On a few it will cause the execvp() | |
4221 * to exit with a non-zero status even when the completion | |
4222 * could be done, which is nothing too serious. If the open() | |
4223 * or dup() failed we'd just do the same thing ourselves | |
4224 * anyway -- webb | |
4225 */ | |
4226 if (fd >= 0) | |
4227 { | |
1757 | 4228 ignored = dup(fd); /* To replace stdin (fd 0) */ |
4229 ignored = dup(fd); /* To replace stdout (fd 1) */ | |
4230 ignored = dup(fd); /* To replace stderr (fd 2) */ | |
7 | 4231 |
4232 /* Don't need this now that we've duplicated it */ | |
4233 close(fd); | |
4234 } | |
4235 } | |
167 | 4236 else if ((options & (SHELL_READ|SHELL_WRITE)) |
7 | 4237 # ifdef FEAT_GUI |
167 | 4238 || gui.in_use |
4239 # endif | |
4240 ) | |
7 | 4241 { |
4242 | |
167 | 4243 # ifdef HAVE_SETSID |
602 | 4244 /* Create our own process group, so that the child and all its |
4245 * children can be kill()ed. Don't do this when using pipes, | |
1698 | 4246 * because stdin is not a tty, we would lose /dev/tty. */ |
602 | 4247 if (p_stmp) |
1799 | 4248 { |
602 | 4249 (void)setsid(); |
1799 | 4250 # if defined(SIGHUP) |
4251 /* When doing "!xterm&" and 'shell' is bash: the shell | |
4252 * will exit and send SIGHUP to all processes in its | |
4253 * group, killing the just started process. Ignore SIGHUP | |
4254 * to avoid that. (suggested by Simon Schubert) | |
4255 */ | |
4256 signal(SIGHUP, SIG_IGN); | |
4257 # endif | |
4258 } | |
167 | 4259 # endif |
4260 # ifdef FEAT_GUI | |
602 | 4261 if (pty_slave_fd >= 0) |
4262 { | |
4263 /* push stream discipline modules */ | |
4264 if (options & SHELL_COOKED) | |
4265 SetupSlavePTY(pty_slave_fd); | |
7 | 4266 # ifdef TIOCSCTTY |
602 | 4267 /* Try to become controlling tty (probably doesn't work, |
4268 * unless run by root) */ | |
4269 ioctl(pty_slave_fd, TIOCSCTTY, (char *)NULL); | |
7 | 4270 # endif |
602 | 4271 } |
167 | 4272 # endif |
7 | 4273 /* Simulate to have a dumb terminal (for now) */ |
167 | 4274 # ifdef HAVE_SETENV |
7 | 4275 setenv("TERM", "dumb", 1); |
4276 sprintf((char *)envbuf, "%ld", Rows); | |
4277 setenv("ROWS", (char *)envbuf, 1); | |
4278 sprintf((char *)envbuf, "%ld", Rows); | |
4279 setenv("LINES", (char *)envbuf, 1); | |
4280 sprintf((char *)envbuf, "%ld", Columns); | |
4281 setenv("COLUMNS", (char *)envbuf, 1); | |
167 | 4282 # else |
7 | 4283 /* |
4284 * Putenv does not copy the string, it has to remain valid. | |
1698 | 4285 * Use a static array to avoid losing allocated memory. |
7 | 4286 */ |
4287 putenv("TERM=dumb"); | |
4288 sprintf(envbuf_Rows, "ROWS=%ld", Rows); | |
4289 putenv(envbuf_Rows); | |
4290 sprintf(envbuf_Rows, "LINES=%ld", Rows); | |
4291 putenv(envbuf_Rows); | |
4292 sprintf(envbuf_Columns, "COLUMNS=%ld", Columns); | |
4293 putenv(envbuf_Columns); | |
167 | 4294 # endif |
4295 | |
557 | 4296 /* |
4297 * stderr is only redirected when using the GUI, so that a | |
4298 * program like gpg can still access the terminal to get a | |
4299 * passphrase using stderr. | |
4300 */ | |
167 | 4301 # ifdef FEAT_GUI |
7 | 4302 if (pty_master_fd >= 0) |
4303 { | |
4304 close(pty_master_fd); /* close master side of pty */ | |
4305 | |
4306 /* set up stdin/stdout/stderr for the child */ | |
4307 close(0); | |
1757 | 4308 ignored = dup(pty_slave_fd); |
7 | 4309 close(1); |
1757 | 4310 ignored = dup(pty_slave_fd); |
557 | 4311 if (gui.in_use) |
4312 { | |
4313 close(2); | |
1757 | 4314 ignored = dup(pty_slave_fd); |
557 | 4315 } |
7 | 4316 |
4317 close(pty_slave_fd); /* has been dupped, close it now */ | |
4318 } | |
4319 else | |
167 | 4320 # endif |
7 | 4321 { |
4322 /* set up stdin for the child */ | |
4323 close(fd_toshell[1]); | |
4324 close(0); | |
1757 | 4325 ignored = dup(fd_toshell[0]); |
7 | 4326 close(fd_toshell[0]); |
4327 | |
4328 /* set up stdout for the child */ | |
4329 close(fd_fromshell[0]); | |
4330 close(1); | |
1757 | 4331 ignored = dup(fd_fromshell[1]); |
7 | 4332 close(fd_fromshell[1]); |
4333 | |
557 | 4334 # ifdef FEAT_GUI |
4335 if (gui.in_use) | |
4336 { | |
4337 /* set up stderr for the child */ | |
4338 close(2); | |
1757 | 4339 ignored = dup(1); |
557 | 4340 } |
4341 # endif | |
7 | 4342 } |
4343 } | |
167 | 4344 |
7 | 4345 /* |
4346 * There is no type cast for the argv, because the type may be | |
4347 * different on different machines. This may cause a warning | |
4348 * message with strict compilers, don't worry about it. | |
4349 * Call _exit() instead of exit() to avoid closing the connection | |
4350 * to the X server (esp. with GTK, which uses atexit()). | |
4351 */ | |
4352 execvp(argv[0], argv); | |
4353 _exit(EXEC_FAILED); /* exec failed, return failure code */ | |
4354 } | |
4355 else /* parent */ | |
4356 { | |
4357 /* | |
4358 * While child is running, ignore terminating signals. | |
167 | 4359 * Do catch CTRL-C, so that "got_int" is set. |
7 | 4360 */ |
4361 catch_signals(SIG_IGN, SIG_ERR); | |
167 | 4362 catch_int_signal(); |
7 | 4363 |
4364 /* | |
4365 * For the GUI we redirect stdin, stdout and stderr to our window. | |
167 | 4366 * This is also used to pipe stdin/stdout to/from the external |
4367 * command. | |
7 | 4368 */ |
167 | 4369 if ((options & (SHELL_READ|SHELL_WRITE)) |
4370 # ifdef FEAT_GUI | |
4371 || (gui.in_use && show_shell_mess) | |
4372 # endif | |
4373 ) | |
7 | 4374 { |
167 | 4375 # define BUFLEN 100 /* length for buffer, pseudo tty limit is 128 */ |
7 | 4376 char_u buffer[BUFLEN + 1]; |
167 | 4377 # ifdef FEAT_MBYTE |
7 | 4378 int buffer_off = 0; /* valid bytes in buffer[] */ |
167 | 4379 # endif |
7 | 4380 char_u ta_buf[BUFLEN + 1]; /* TypeAHead */ |
4381 int ta_len = 0; /* valid bytes in ta_buf[] */ | |
4382 int len; | |
4383 int p_more_save; | |
4384 int old_State; | |
4385 int c; | |
4386 int toshell_fd; | |
4387 int fromshell_fd; | |
167 | 4388 garray_T ga; |
4389 int noread_cnt; | |
1823 | 4390 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
4391 struct timeval start_tv; | |
4392 # endif | |
167 | 4393 |
4394 # ifdef FEAT_GUI | |
7 | 4395 if (pty_master_fd >= 0) |
4396 { | |
4397 fromshell_fd = pty_master_fd; | |
4398 toshell_fd = dup(pty_master_fd); | |
4399 } | |
4400 else | |
167 | 4401 # endif |
7 | 4402 { |
4403 close(fd_toshell[0]); | |
4404 close(fd_fromshell[1]); | |
4405 toshell_fd = fd_toshell[1]; | |
4406 fromshell_fd = fd_fromshell[0]; | |
4407 } | |
4408 | |
4409 /* | |
4410 * Write to the child if there are typed characters. | |
4411 * Read from the child if there are characters available. | |
4412 * Repeat the reading a few times if more characters are | |
4413 * available. Need to check for typed keys now and then, but | |
4414 * not too often (delays when no chars are available). | |
4415 * This loop is quit if no characters can be read from the pty | |
4416 * (WaitForChar detected special condition), or there are no | |
4417 * characters available and the child has exited. | |
4418 * Only check if the child has exited when there is no more | |
4419 * output. The child may exit before all the output has | |
4420 * been printed. | |
4421 * | |
4422 * Currently this busy loops! | |
4423 * This can probably dead-lock when the write blocks! | |
4424 */ | |
4425 p_more_save = p_more; | |
4426 p_more = FALSE; | |
4427 old_State = State; | |
4428 State = EXTERNCMD; /* don't redraw at window resize */ | |
4429 | |
602 | 4430 if ((options & SHELL_WRITE) && toshell_fd >= 0) |
167 | 4431 { |
4432 /* Fork a process that will write the lines to the | |
4433 * external program. */ | |
4434 if ((wpid = fork()) == -1) | |
4435 { | |
4436 MSG_PUTS(_("\nCannot fork\n")); | |
4437 } | |
3048 | 4438 else if (wpid == 0) /* child */ |
167 | 4439 { |
4440 linenr_T lnum = curbuf->b_op_start.lnum; | |
4441 int written = 0; | |
944 | 4442 char_u *lp = ml_get(lnum); |
167 | 4443 size_t l; |
4444 | |
177 | 4445 close(fromshell_fd); |
167 | 4446 for (;;) |
4447 { | |
944 | 4448 l = STRLEN(lp + written); |
167 | 4449 if (l == 0) |
4450 len = 0; | |
944 | 4451 else if (lp[written] == NL) |
167 | 4452 /* NL -> NUL translation */ |
4453 len = write(toshell_fd, "", (size_t)1); | |
4454 else | |
4455 { | |
3263 | 4456 char_u *s = vim_strchr(lp + written, NL); |
4457 | |
944 | 4458 len = write(toshell_fd, (char *)lp + written, |
1877 | 4459 s == NULL ? l |
4460 : (size_t)(s - (lp + written))); | |
167 | 4461 } |
1877 | 4462 if (len == (int)l) |
167 | 4463 { |
4464 /* Finished a line, add a NL, unless this line | |
4465 * should not have one. */ | |
4466 if (lnum != curbuf->b_op_end.lnum | |
4467 || !curbuf->b_p_bin | |
2707 | 4468 || (lnum != curbuf->b_no_eol_lnum |
167 | 4469 && (lnum != |
4470 curbuf->b_ml.ml_line_count | |
4471 || curbuf->b_p_eol))) | |
1757 | 4472 ignored = write(toshell_fd, "\n", |
4473 (size_t)1); | |
167 | 4474 ++lnum; |
4475 if (lnum > curbuf->b_op_end.lnum) | |
4476 { | |
4477 /* finished all the lines, close pipe */ | |
4478 close(toshell_fd); | |
4479 toshell_fd = -1; | |
4480 break; | |
4481 } | |
944 | 4482 lp = ml_get(lnum); |
167 | 4483 written = 0; |
4484 } | |
4485 else if (len > 0) | |
4486 written += len; | |
4487 } | |
4488 _exit(0); | |
4489 } | |
3048 | 4490 else /* parent */ |
167 | 4491 { |
4492 close(toshell_fd); | |
4493 toshell_fd = -1; | |
4494 } | |
4495 } | |
4496 | |
4497 if (options & SHELL_READ) | |
4498 ga_init2(&ga, 1, BUFLEN); | |
4499 | |
4500 noread_cnt = 0; | |
1823 | 4501 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
4502 gettimeofday(&start_tv, NULL); | |
4503 # endif | |
7 | 4504 for (;;) |
4505 { | |
4506 /* | |
4507 * Check if keys have been typed, write them to the child | |
592 | 4508 * if there are any. |
4509 * Don't do this if we are expanding wild cards (would eat | |
4510 * typeahead). | |
4511 * Don't do this when filtering and terminal is in cooked | |
4512 * mode, the shell command will handle the I/O. Avoids | |
4513 * that a typed password is echoed for ssh or gpg command. | |
602 | 4514 * Don't get characters when the child has already |
4515 * finished (wait_pid == 0). | |
167 | 4516 * Don't read characters unless we didn't get output for a |
1823 | 4517 * while (noread_cnt > 4), avoids that ":r !ls" eats |
4518 * typeahead. | |
7 | 4519 */ |
4520 len = 0; | |
4521 if (!(options & SHELL_EXPAND) | |
592 | 4522 && ((options & |
4523 (SHELL_READ|SHELL_WRITE|SHELL_COOKED)) | |
4524 != (SHELL_READ|SHELL_WRITE|SHELL_COOKED) | |
1823 | 4525 # ifdef FEAT_GUI |
592 | 4526 || gui.in_use |
1823 | 4527 # endif |
592 | 4528 ) |
602 | 4529 && wait_pid == 0 |
1823 | 4530 && (ta_len > 0 || noread_cnt > 4)) |
7 | 4531 { |
1823 | 4532 if (ta_len == 0) |
4533 { | |
4534 /* Get extra characters when we don't have any. | |
4535 * Reset the counter and timer. */ | |
4536 noread_cnt = 0; | |
4537 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
4538 gettimeofday(&start_tv, NULL); | |
4539 # endif | |
4540 len = ui_inchar(ta_buf, BUFLEN, 10L, 0); | |
4541 } | |
4542 if (ta_len > 0 || len > 0) | |
4543 { | |
7 | 4544 /* |
4545 * For pipes: | |
4546 * Check for CTRL-C: send interrupt signal to child. | |
4547 * Check for CTRL-D: EOF, close pipe to child. | |
4548 */ | |
4549 if (len == 1 && (pty_master_fd < 0 || cmd != NULL)) | |
4550 { | |
167 | 4551 # ifdef SIGINT |
7 | 4552 /* |
4553 * Send SIGINT to the child's group or all | |
4554 * processes in our group. | |
4555 */ | |
4556 if (ta_buf[ta_len] == Ctrl_C | |
4557 || ta_buf[ta_len] == intr_char) | |
167 | 4558 { |
4559 # ifdef HAVE_SETSID | |
7 | 4560 kill(-pid, SIGINT); |
167 | 4561 # else |
7 | 4562 kill(0, SIGINT); |
4563 # endif | |
167 | 4564 if (wpid > 0) |
4565 kill(wpid, SIGINT); | |
4566 } | |
4567 # endif | |
7 | 4568 if (pty_master_fd < 0 && toshell_fd >= 0 |
4569 && ta_buf[ta_len] == Ctrl_D) | |
4570 { | |
4571 close(toshell_fd); | |
4572 toshell_fd = -1; | |
4573 } | |
4574 } | |
4575 | |
4576 /* replace K_BS by <BS> and K_DEL by <DEL> */ | |
4577 for (i = ta_len; i < ta_len + len; ++i) | |
4578 { | |
4579 if (ta_buf[i] == CSI && len - i > 2) | |
4580 { | |
4581 c = TERMCAP2KEY(ta_buf[i + 1], ta_buf[i + 2]); | |
4582 if (c == K_DEL || c == K_KDEL || c == K_BS) | |
4583 { | |
4584 mch_memmove(ta_buf + i + 1, ta_buf + i + 3, | |
4585 (size_t)(len - i - 2)); | |
4586 if (c == K_DEL || c == K_KDEL) | |
4587 ta_buf[i] = DEL; | |
4588 else | |
4589 ta_buf[i] = Ctrl_H; | |
4590 len -= 2; | |
4591 } | |
4592 } | |
4593 else if (ta_buf[i] == '\r') | |
4594 ta_buf[i] = '\n'; | |
167 | 4595 # ifdef FEAT_MBYTE |
7 | 4596 if (has_mbyte) |
1903 | 4597 i += (*mb_ptr2len_len)(ta_buf + i, |
4598 ta_len + len - i) - 1; | |
167 | 4599 # endif |
7 | 4600 } |
4601 | |
4602 /* | |
4603 * For pipes: echo the typed characters. | |
4604 * For a pty this does not seem to work. | |
4605 */ | |
4606 if (pty_master_fd < 0) | |
4607 { | |
4608 for (i = ta_len; i < ta_len + len; ++i) | |
4609 { | |
4610 if (ta_buf[i] == '\n' || ta_buf[i] == '\b') | |
4611 msg_putchar(ta_buf[i]); | |
167 | 4612 # ifdef FEAT_MBYTE |
7 | 4613 else if (has_mbyte) |
4614 { | |
474 | 4615 int l = (*mb_ptr2len)(ta_buf + i); |
7 | 4616 |
4617 msg_outtrans_len(ta_buf + i, l); | |
4618 i += l - 1; | |
4619 } | |
167 | 4620 # endif |
7 | 4621 else |
4622 msg_outtrans_len(ta_buf + i, 1); | |
4623 } | |
4624 windgoto(msg_row, msg_col); | |
4625 out_flush(); | |
4626 } | |
4627 | |
4628 ta_len += len; | |
4629 | |
4630 /* | |
4631 * Write the characters to the child, unless EOF has | |
4632 * been typed for pipes. Write one character at a | |
1698 | 4633 * time, to avoid losing too much typeahead. |
167 | 4634 * When writing buffer lines, drop the typed |
4635 * characters (only check for CTRL-C). | |
7 | 4636 */ |
167 | 4637 if (options & SHELL_WRITE) |
4638 ta_len = 0; | |
4639 else if (toshell_fd >= 0) | |
7 | 4640 { |
4641 len = write(toshell_fd, (char *)ta_buf, (size_t)1); | |
4642 if (len > 0) | |
4643 { | |
4644 ta_len -= len; | |
4645 mch_memmove(ta_buf, ta_buf + len, ta_len); | |
4646 } | |
4647 } | |
1823 | 4648 } |
7 | 4649 } |
4650 | |
167 | 4651 if (got_int) |
4652 { | |
4653 /* CTRL-C sends a signal to the child, we ignore it | |
4654 * ourselves */ | |
4655 # ifdef HAVE_SETSID | |
4656 kill(-pid, SIGINT); | |
4657 # else | |
4658 kill(0, SIGINT); | |
4659 # endif | |
4660 if (wpid > 0) | |
4661 kill(wpid, SIGINT); | |
4662 got_int = FALSE; | |
4663 } | |
4664 | |
7 | 4665 /* |
4666 * Check if the child has any characters to be printed. | |
4667 * Read them and write them to our window. Repeat this as | |
4668 * long as there is something to do, avoid the 10ms wait | |
4669 * for mch_inchar(), or sending typeahead characters to | |
4670 * the external process. | |
4671 * TODO: This should handle escape sequences, compatible | |
4672 * to some terminal (vt52?). | |
4673 */ | |
167 | 4674 ++noread_cnt; |
7 | 4675 while (RealWaitForChar(fromshell_fd, 10L, NULL)) |
4676 { | |
2664 | 4677 len = read_eintr(fromshell_fd, buffer |
167 | 4678 # ifdef FEAT_MBYTE |
7 | 4679 + buffer_off, (size_t)(BUFLEN - buffer_off) |
167 | 4680 # else |
7 | 4681 , (size_t)BUFLEN |
167 | 4682 # endif |
7 | 4683 ); |
4684 if (len <= 0) /* end of file or error */ | |
4685 goto finished; | |
167 | 4686 |
4687 noread_cnt = 0; | |
4688 if (options & SHELL_READ) | |
4689 { | |
4690 /* Do NUL -> NL translation, append NL separated | |
4691 * lines to the current buffer. */ | |
4692 for (i = 0; i < len; ++i) | |
4693 { | |
4694 if (buffer[i] == NL) | |
4695 append_ga_line(&ga); | |
4696 else if (buffer[i] == NUL) | |
4697 ga_append(&ga, NL); | |
4698 else | |
4699 ga_append(&ga, buffer[i]); | |
4700 } | |
4701 } | |
4702 # ifdef FEAT_MBYTE | |
4703 else if (has_mbyte) | |
7 | 4704 { |
4705 int l; | |
4706 | |
167 | 4707 len += buffer_off; |
4708 buffer[len] = NUL; | |
4709 | |
7 | 4710 /* Check if the last character in buffer[] is |
4711 * incomplete, keep these bytes for the next | |
4712 * round. */ | |
4713 for (p = buffer; p < buffer + len; p += l) | |
4714 { | |
474 | 4715 l = mb_cptr2len(p); |
7 | 4716 if (l == 0) |
4717 l = 1; /* NUL byte? */ | |
4718 else if (MB_BYTE2LEN(*p) != l) | |
4719 break; | |
4720 } | |
4721 if (p == buffer) /* no complete character */ | |
4722 { | |
4723 /* avoid getting stuck at an illegal byte */ | |
4724 if (len >= 12) | |
4725 ++p; | |
4726 else | |
4727 { | |
4728 buffer_off = len; | |
4729 continue; | |
4730 } | |
4731 } | |
4732 c = *p; | |
4733 *p = NUL; | |
4734 msg_puts(buffer); | |
4735 if (p < buffer + len) | |
4736 { | |
4737 *p = c; | |
4738 buffer_off = (buffer + len) - p; | |
4739 mch_memmove(buffer, p, buffer_off); | |
4740 continue; | |
4741 } | |
4742 buffer_off = 0; | |
4743 } | |
167 | 4744 # endif /* FEAT_MBYTE */ |
7 | 4745 else |
4746 { | |
4747 buffer[len] = NUL; | |
4748 msg_puts(buffer); | |
4749 } | |
4750 | |
4751 windgoto(msg_row, msg_col); | |
4752 cursor_on(); | |
4753 out_flush(); | |
4754 if (got_int) | |
4755 break; | |
1823 | 4756 |
4757 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
4758 { | |
4759 struct timeval now_tv; | |
4760 long msec; | |
4761 | |
4762 /* Avoid that we keep looping here without | |
4763 * checking for a CTRL-C for a long time. Don't | |
4764 * break out too often to avoid losing typeahead. */ | |
4765 gettimeofday(&now_tv, NULL); | |
4766 msec = (now_tv.tv_sec - start_tv.tv_sec) * 1000L | |
4767 + (now_tv.tv_usec - start_tv.tv_usec) / 1000L; | |
4768 if (msec > 2000) | |
4769 { | |
4770 noread_cnt = 5; | |
4771 break; | |
4772 } | |
4773 } | |
4774 # endif | |
7 | 4775 } |
4776 | |
602 | 4777 /* If we already detected the child has finished break the |
4778 * loop now. */ | |
4779 if (wait_pid == pid) | |
4780 break; | |
4781 | |
7 | 4782 /* |
4783 * Check if the child still exists, before checking for | |
1698 | 4784 * typed characters (otherwise we would lose typeahead). |
7 | 4785 */ |
167 | 4786 # ifdef __NeXT__ |
3048 | 4787 wait_pid = wait4(pid, &status, WNOHANG, (struct rusage *)0); |
167 | 4788 # else |
7 | 4789 wait_pid = waitpid(pid, &status, WNOHANG); |
167 | 4790 # endif |
7 | 4791 if ((wait_pid == (pid_t)-1 && errno == ECHILD) |
4792 || (wait_pid == pid && WIFEXITED(status))) | |
4793 { | |
602 | 4794 /* Don't break the loop yet, try reading more |
4795 * characters from "fromshell_fd" first. When using | |
4796 * pipes there might still be something to read and | |
4797 * then we'll break the loop at the "break" above. */ | |
7 | 4798 wait_pid = pid; |
4799 } | |
602 | 4800 else |
4801 wait_pid = 0; | |
4230 | 4802 |
4248 | 4803 # if defined(FEAT_XCLIPBOARD) && defined(FEAT_X11) |
4230 | 4804 /* Handle any X events, e.g. serving the clipboard. */ |
4805 clip_update(); | |
4806 # endif | |
7 | 4807 } |
4808 finished: | |
4809 p_more = p_more_save; | |
167 | 4810 if (options & SHELL_READ) |
4811 { | |
4812 if (ga.ga_len > 0) | |
4813 { | |
4814 append_ga_line(&ga); | |
4815 /* remember that the NL was missing */ | |
2707 | 4816 curbuf->b_no_eol_lnum = curwin->w_cursor.lnum; |
167 | 4817 } |
4818 else | |
2707 | 4819 curbuf->b_no_eol_lnum = 0; |
167 | 4820 ga_clear(&ga); |
4821 } | |
4822 | |
7 | 4823 /* |
4824 * Give all typeahead that wasn't used back to ui_inchar(). | |
4825 */ | |
4826 if (ta_len) | |
4827 ui_inchar_undo(ta_buf, ta_len); | |
4828 State = old_State; | |
4829 if (toshell_fd >= 0) | |
4830 close(toshell_fd); | |
4831 close(fromshell_fd); | |
4832 } | |
4248 | 4833 # if defined(FEAT_XCLIPBOARD) && defined(FEAT_X11) |
4230 | 4834 else |
4835 { | |
4836 /* | |
4837 * Similar to the loop above, but only handle X events, no | |
4838 * I/O. | |
4839 */ | |
4840 for (;;) | |
4841 { | |
4842 if (got_int) | |
4843 { | |
4844 /* CTRL-C sends a signal to the child, we ignore it | |
4845 * ourselves */ | |
4846 # ifdef HAVE_SETSID | |
4847 kill(-pid, SIGINT); | |
4848 # else | |
4849 kill(0, SIGINT); | |
4850 # endif | |
4851 got_int = FALSE; | |
4852 } | |
4853 # ifdef __NeXT__ | |
4854 wait_pid = wait4(pid, &status, WNOHANG, (struct rusage *)0); | |
4855 # else | |
4856 wait_pid = waitpid(pid, &status, WNOHANG); | |
4857 # endif | |
4858 if ((wait_pid == (pid_t)-1 && errno == ECHILD) | |
4859 || (wait_pid == pid && WIFEXITED(status))) | |
4860 { | |
4861 wait_pid = pid; | |
4862 break; | |
4863 } | |
4864 | |
4865 /* Handle any X events, e.g. serving the clipboard. */ | |
4866 clip_update(); | |
4867 | |
4868 mch_delay(10L, TRUE); | |
4869 } | |
4870 } | |
4871 # endif | |
7 | 4872 |
4873 /* | |
4874 * Wait until our child has exited. | |
4875 * Ignore wait() returning pids of other children and returning | |
4876 * because of some signal like SIGWINCH. | |
4877 * Don't wait if wait_pid was already set above, indicating the | |
4878 * child already exited. | |
4879 */ | |
3048 | 4880 if (wait_pid != pid) |
4881 wait_pid = wait4pid(pid, &status); | |
7 | 4882 |
2600 | 4883 # ifdef FEAT_GUI |
4884 /* Close slave side of pty. Only do this after the child has | |
4885 * exited, otherwise the child may hang when it tries to write on | |
4886 * the pty. */ | |
4887 if (pty_master_fd >= 0) | |
4888 close(pty_slave_fd); | |
4889 # endif | |
4890 | |
167 | 4891 /* Make sure the child that writes to the external program is |
4892 * dead. */ | |
4893 if (wpid > 0) | |
3048 | 4894 { |
167 | 4895 kill(wpid, SIGKILL); |
3048 | 4896 wait4pid(wpid, NULL); |
4897 } | |
167 | 4898 |
7 | 4899 /* |
4900 * Set to raw mode right now, otherwise a CTRL-C after | |
4901 * catch_signals() will kill Vim. | |
4902 */ | |
4903 if (tmode == TMODE_RAW) | |
4904 settmode(TMODE_RAW); | |
4905 did_settmode = TRUE; | |
4906 set_signals(); | |
4907 | |
4908 if (WIFEXITED(status)) | |
4909 { | |
129 | 4910 /* LINTED avoid "bitwise operation on signed value" */ |
7 | 4911 retval = WEXITSTATUS(status); |
4074 | 4912 if (retval != 0 && !emsg_silent) |
7 | 4913 { |
4914 if (retval == EXEC_FAILED) | |
4915 { | |
4916 MSG_PUTS(_("\nCannot execute shell ")); | |
4917 msg_outtrans(p_sh); | |
4918 msg_putchar('\n'); | |
4919 } | |
4920 else if (!(options & SHELL_SILENT)) | |
4921 { | |
4922 MSG_PUTS(_("\nshell returned ")); | |
4923 msg_outnum((long)retval); | |
4924 msg_putchar('\n'); | |
4925 } | |
4926 } | |
4927 } | |
4928 else | |
4929 MSG_PUTS(_("\nCommand terminated\n")); | |
4930 } | |
4931 } | |
4932 vim_free(argv); | |
2994 | 4933 vim_free(p_shcf_copy); |
7 | 4934 |
4935 error: | |
4936 if (!did_settmode) | |
4937 if (tmode == TMODE_RAW) | |
4938 settmode(TMODE_RAW); /* set to raw mode */ | |
4939 # ifdef FEAT_TITLE | |
4940 resettitle(); | |
4941 # endif | |
4942 vim_free(newcmd); | |
4943 | |
4944 return retval; | |
4945 | |
4946 #endif /* USE_SYSTEM */ | |
4947 } | |
4948 | |
4949 /* | |
4950 * Check for CTRL-C typed by reading all available characters. | |
4951 * In cooked mode we should get SIGINT, no need to check. | |
4952 */ | |
4953 void | |
4954 mch_breakcheck() | |
4955 { | |
4956 if (curr_tmode == TMODE_RAW && RealWaitForChar(read_cmd_fd, 0L, NULL)) | |
4957 fill_input_buf(FALSE); | |
4958 } | |
4959 | |
4960 /* | |
4961 * Wait "msec" msec until a character is available from the keyboard or from | |
4962 * inbuf[]. msec == -1 will block forever. | |
4963 * When a GUI is being used, this will never get called -- webb | |
4964 */ | |
4965 static int | |
4966 WaitForChar(msec) | |
4967 long msec; | |
4968 { | |
4969 #ifdef FEAT_MOUSE_GPM | |
4970 int gpm_process_wanted; | |
4971 #endif | |
4972 #ifdef FEAT_XCLIPBOARD | |
4973 int rest; | |
4974 #endif | |
4975 int avail; | |
4976 | |
4977 if (input_available()) /* something in inbuf[] */ | |
4978 return 1; | |
4979 | |
4980 #if defined(FEAT_MOUSE_DEC) | |
4981 /* May need to query the mouse position. */ | |
4982 if (WantQueryMouse) | |
4983 { | |
227 | 4984 WantQueryMouse = FALSE; |
7 | 4985 mch_write((char_u *)IF_EB("\033[1'|", ESC_STR "[1'|"), 5); |
4986 } | |
4987 #endif | |
4988 | |
4989 /* | |
4990 * For FEAT_MOUSE_GPM and FEAT_XCLIPBOARD we loop here to process mouse | |
4991 * events. This is a bit complicated, because they might both be defined. | |
4992 */ | |
4993 #if defined(FEAT_MOUSE_GPM) || defined(FEAT_XCLIPBOARD) | |
4994 # ifdef FEAT_XCLIPBOARD | |
4995 rest = 0; | |
4996 if (do_xterm_trace()) | |
4997 rest = msec; | |
4998 # endif | |
4999 do | |
5000 { | |
5001 # ifdef FEAT_XCLIPBOARD | |
5002 if (rest != 0) | |
5003 { | |
5004 msec = XT_TRACE_DELAY; | |
5005 if (rest >= 0 && rest < XT_TRACE_DELAY) | |
5006 msec = rest; | |
5007 if (rest >= 0) | |
5008 rest -= msec; | |
5009 } | |
5010 # endif | |
5011 # ifdef FEAT_MOUSE_GPM | |
5012 gpm_process_wanted = 0; | |
5013 avail = RealWaitForChar(read_cmd_fd, msec, &gpm_process_wanted); | |
5014 # else | |
5015 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
5016 # endif | |
5017 if (!avail) | |
5018 { | |
5019 if (input_available()) | |
5020 return 1; | |
5021 # ifdef FEAT_XCLIPBOARD | |
5022 if (rest == 0 || !do_xterm_trace()) | |
5023 # endif | |
5024 break; | |
5025 } | |
5026 } | |
5027 while (FALSE | |
5028 # ifdef FEAT_MOUSE_GPM | |
5029 || (gpm_process_wanted && mch_gpm_process() == 0) | |
5030 # endif | |
5031 # ifdef FEAT_XCLIPBOARD | |
5032 || (!avail && rest != 0) | |
5033 # endif | |
5034 ); | |
5035 | |
5036 #else | |
5037 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
5038 #endif | |
5039 return avail; | |
5040 } | |
5041 | |
5042 /* | |
5043 * Wait "msec" msec until a character is available from file descriptor "fd". | |
3046 | 5044 * "msec" == 0 will check for characters once. |
5045 * "msec" == -1 will block until a character is available. | |
7 | 5046 * When a GUI is being used, this will not be used for input -- webb |
5047 * Returns also, when a request from Sniff is waiting -- toni. | |
5048 * Or when a Linux GPM mouse event is waiting. | |
5049 */ | |
5050 #if defined(__BEOS__) | |
5051 int | |
5052 #else | |
5053 static int | |
5054 #endif | |
5055 RealWaitForChar(fd, msec, check_for_gpm) | |
5056 int fd; | |
5057 long msec; | |
1877 | 5058 int *check_for_gpm UNUSED; |
7 | 5059 { |
5060 int ret; | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5061 #ifdef FEAT_NETBEANS_INTG |
2210 | 5062 int nb_fd = netbeans_filedesc(); |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5063 #endif |
14 | 5064 #if defined(FEAT_XCLIPBOARD) || defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
7 | 5065 static int busy = FALSE; |
5066 | |
5067 /* May retry getting characters after an event was handled. */ | |
5068 # define MAY_LOOP | |
5069 | |
5070 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
5071 /* Remember at what time we started, so that we know how much longer we | |
5072 * should wait after being interrupted. */ | |
5073 # define USE_START_TV | |
5074 struct timeval start_tv; | |
5075 | |
5076 if (msec > 0 && ( | |
5077 # ifdef FEAT_XCLIPBOARD | |
5078 xterm_Shell != (Widget)0 | |
14 | 5079 # if defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
7 | 5080 || |
5081 # endif | |
5082 # endif | |
5083 # ifdef USE_XSMP | |
5084 xsmp_icefd != -1 | |
14 | 5085 # ifdef FEAT_MZSCHEME |
5086 || | |
5087 # endif | |
5088 # endif | |
5089 # ifdef FEAT_MZSCHEME | |
5090 (mzthreads_allowed() && p_mzq > 0) | |
7 | 5091 # endif |
5092 )) | |
5093 gettimeofday(&start_tv, NULL); | |
5094 # endif | |
5095 | |
5096 /* Handle being called recursively. This may happen for the session | |
5097 * manager stuff, it may save the file, which does a breakcheck. */ | |
5098 if (busy) | |
5099 return 0; | |
5100 #endif | |
5101 | |
5102 #ifdef MAY_LOOP | |
407 | 5103 for (;;) |
7 | 5104 #endif |
5105 { | |
5106 #ifdef MAY_LOOP | |
5107 int finished = TRUE; /* default is to 'loop' just once */ | |
14 | 5108 # ifdef FEAT_MZSCHEME |
5109 int mzquantum_used = FALSE; | |
5110 # endif | |
7 | 5111 #endif |
5112 #ifndef HAVE_SELECT | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5113 struct pollfd fds[6]; |
7 | 5114 int nfd; |
5115 # ifdef FEAT_XCLIPBOARD | |
5116 int xterm_idx = -1; | |
5117 # endif | |
5118 # ifdef FEAT_MOUSE_GPM | |
5119 int gpm_idx = -1; | |
5120 # endif | |
5121 # ifdef USE_XSMP | |
5122 int xsmp_idx = -1; | |
5123 # endif | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5124 # ifdef FEAT_NETBEANS_INTG |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5125 int nb_idx = -1; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5126 # endif |
14 | 5127 int towait = (int)msec; |
5128 | |
5129 # ifdef FEAT_MZSCHEME | |
5130 mzvim_check_threads(); | |
5131 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
5132 { | |
5133 towait = (int)p_mzq; /* don't wait longer than 'mzquantum' */ | |
5134 mzquantum_used = TRUE; | |
5135 } | |
5136 # endif | |
7 | 5137 fds[0].fd = fd; |
5138 fds[0].events = POLLIN; | |
5139 nfd = 1; | |
5140 | |
5141 # ifdef FEAT_SNIFF | |
5142 # define SNIFF_IDX 1 | |
5143 if (want_sniff_request) | |
5144 { | |
5145 fds[SNIFF_IDX].fd = fd_from_sniff; | |
5146 fds[SNIFF_IDX].events = POLLIN; | |
5147 nfd++; | |
5148 } | |
5149 # endif | |
5150 # ifdef FEAT_XCLIPBOARD | |
5151 if (xterm_Shell != (Widget)0) | |
5152 { | |
5153 xterm_idx = nfd; | |
5154 fds[nfd].fd = ConnectionNumber(xterm_dpy); | |
5155 fds[nfd].events = POLLIN; | |
5156 nfd++; | |
5157 } | |
5158 # endif | |
5159 # ifdef FEAT_MOUSE_GPM | |
5160 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
5161 { | |
5162 gpm_idx = nfd; | |
5163 fds[nfd].fd = gpm_fd; | |
5164 fds[nfd].events = POLLIN; | |
5165 nfd++; | |
5166 } | |
5167 # endif | |
5168 # ifdef USE_XSMP | |
5169 if (xsmp_icefd != -1) | |
5170 { | |
5171 xsmp_idx = nfd; | |
5172 fds[nfd].fd = xsmp_icefd; | |
5173 fds[nfd].events = POLLIN; | |
5174 nfd++; | |
5175 } | |
5176 # endif | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5177 #ifdef FEAT_NETBEANS_INTG |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5178 if (nb_fd != -1) |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5179 { |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5180 nb_idx = nfd; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5181 fds[nfd].fd = nb_fd; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5182 fds[nfd].events = POLLIN; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5183 nfd++; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5184 } |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5185 #endif |
7 | 5186 |
14 | 5187 ret = poll(fds, nfd, towait); |
5188 # ifdef FEAT_MZSCHEME | |
5189 if (ret == 0 && mzquantum_used) | |
1450 | 5190 /* MzThreads scheduling is required and timeout occurred */ |
14 | 5191 finished = FALSE; |
5192 # endif | |
7 | 5193 |
5194 # ifdef FEAT_SNIFF | |
5195 if (ret < 0) | |
5196 sniff_disconnect(1); | |
5197 else if (want_sniff_request) | |
5198 { | |
5199 if (fds[SNIFF_IDX].revents & POLLHUP) | |
5200 sniff_disconnect(1); | |
5201 if (fds[SNIFF_IDX].revents & POLLIN) | |
5202 sniff_request_waiting = 1; | |
5203 } | |
5204 # endif | |
5205 # ifdef FEAT_XCLIPBOARD | |
5206 if (xterm_Shell != (Widget)0 && (fds[xterm_idx].revents & POLLIN)) | |
5207 { | |
5208 xterm_update(); /* Maybe we should hand out clipboard */ | |
5209 if (--ret == 0 && !input_available()) | |
5210 /* Try again */ | |
5211 finished = FALSE; | |
5212 } | |
5213 # endif | |
5214 # ifdef FEAT_MOUSE_GPM | |
5215 if (gpm_idx >= 0 && (fds[gpm_idx].revents & POLLIN)) | |
5216 { | |
5217 *check_for_gpm = 1; | |
5218 } | |
5219 # endif | |
5220 # ifdef USE_XSMP | |
5221 if (xsmp_idx >= 0 && (fds[xsmp_idx].revents & (POLLIN | POLLHUP))) | |
5222 { | |
5223 if (fds[xsmp_idx].revents & POLLIN) | |
5224 { | |
5225 busy = TRUE; | |
5226 xsmp_handle_requests(); | |
5227 busy = FALSE; | |
5228 } | |
5229 else if (fds[xsmp_idx].revents & POLLHUP) | |
5230 { | |
5231 if (p_verbose > 0) | |
292 | 5232 verb_msg((char_u *)_("XSMP lost ICE connection")); |
7 | 5233 xsmp_close(); |
5234 } | |
5235 if (--ret == 0) | |
14 | 5236 finished = FALSE; /* Try again */ |
7 | 5237 } |
5238 # endif | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5239 #ifdef FEAT_NETBEANS_INTG |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5240 if (ret > 0 && nb_idx != -1 && fds[nb_idx].revents & POLLIN) |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5241 { |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5242 netbeans_read(); |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5243 --ret; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5244 } |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5245 #endif |
7 | 5246 |
5247 | |
5248 #else /* HAVE_SELECT */ | |
5249 | |
5250 struct timeval tv; | |
14 | 5251 struct timeval *tvp; |
7 | 5252 fd_set rfds, efds; |
5253 int maxfd; | |
14 | 5254 long towait = msec; |
5255 | |
5256 # ifdef FEAT_MZSCHEME | |
5257 mzvim_check_threads(); | |
5258 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
5259 { | |
5260 towait = p_mzq; /* don't wait longer than 'mzquantum' */ | |
5261 mzquantum_used = TRUE; | |
5262 } | |
5263 # endif | |
7 | 5264 # ifdef __EMX__ |
5265 /* don't check for incoming chars if not in raw mode, because select() | |
5266 * always returns TRUE then (in some version of emx.dll) */ | |
5267 if (curr_tmode != TMODE_RAW) | |
5268 return 0; | |
5269 # endif | |
5270 | |
14 | 5271 if (towait >= 0) |
7 | 5272 { |
14 | 5273 tv.tv_sec = towait / 1000; |
5274 tv.tv_usec = (towait % 1000) * (1000000/1000); | |
5275 tvp = &tv; | |
7 | 5276 } |
14 | 5277 else |
5278 tvp = NULL; | |
7 | 5279 |
5280 /* | |
5281 * Select on ready for reading and exceptional condition (end of file). | |
5282 */ | |
3046 | 5283 select_eintr: |
5284 FD_ZERO(&rfds); | |
7 | 5285 FD_ZERO(&efds); |
5286 FD_SET(fd, &rfds); | |
5287 # if !defined(__QNX__) && !defined(__CYGWIN32__) | |
5288 /* For QNX select() always returns 1 if this is set. Why? */ | |
5289 FD_SET(fd, &efds); | |
5290 # endif | |
5291 maxfd = fd; | |
5292 | |
5293 # ifdef FEAT_SNIFF | |
5294 if (want_sniff_request) | |
5295 { | |
5296 FD_SET(fd_from_sniff, &rfds); | |
5297 FD_SET(fd_from_sniff, &efds); | |
5298 if (maxfd < fd_from_sniff) | |
5299 maxfd = fd_from_sniff; | |
5300 } | |
5301 # endif | |
5302 # ifdef FEAT_XCLIPBOARD | |
5303 if (xterm_Shell != (Widget)0) | |
5304 { | |
5305 FD_SET(ConnectionNumber(xterm_dpy), &rfds); | |
5306 if (maxfd < ConnectionNumber(xterm_dpy)) | |
5307 maxfd = ConnectionNumber(xterm_dpy); | |
3748 | 5308 |
5309 /* An event may have already been read but not handled. In | |
5310 * particulary, XFlush may cause this. */ | |
5311 xterm_update(); | |
7 | 5312 } |
5313 # endif | |
5314 # ifdef FEAT_MOUSE_GPM | |
5315 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
5316 { | |
5317 FD_SET(gpm_fd, &rfds); | |
5318 FD_SET(gpm_fd, &efds); | |
5319 if (maxfd < gpm_fd) | |
5320 maxfd = gpm_fd; | |
5321 } | |
5322 # endif | |
5323 # ifdef USE_XSMP | |
5324 if (xsmp_icefd != -1) | |
5325 { | |
5326 FD_SET(xsmp_icefd, &rfds); | |
5327 FD_SET(xsmp_icefd, &efds); | |
5328 if (maxfd < xsmp_icefd) | |
5329 maxfd = xsmp_icefd; | |
5330 } | |
5331 # endif | |
3748 | 5332 # ifdef FEAT_NETBEANS_INTG |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5333 if (nb_fd != -1) |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5334 { |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5335 FD_SET(nb_fd, &rfds); |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5336 if (maxfd < nb_fd) |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5337 maxfd = nb_fd; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5338 } |
3748 | 5339 # endif |
7 | 5340 |
5341 # ifdef OLD_VMS | |
5342 /* Old VMS as v6.2 and older have broken select(). It waits more than | |
5343 * required. Should not be used */ | |
5344 ret = 0; | |
5345 # else | |
14 | 5346 ret = select(maxfd + 1, &rfds, NULL, &efds, tvp); |
5347 # endif | |
3046 | 5348 # ifdef EINTR |
5349 if (ret == -1 && errno == EINTR) | |
3133 | 5350 { |
5351 /* Check whether window has been resized, EINTR may be caused by | |
5352 * SIGWINCH. */ | |
5353 if (do_resize) | |
5354 handle_resize(); | |
5355 | |
3046 | 5356 /* Interrupted by a signal, need to try again. We ignore msec |
5357 * here, because we do want to check even after a timeout if | |
5358 * characters are available. Needed for reading output of an | |
5359 * external command after the process has finished. */ | |
5360 goto select_eintr; | |
3133 | 5361 } |
3046 | 5362 # endif |
1076 | 5363 # ifdef __TANDEM |
5364 if (ret == -1 && errno == ENOTSUP) | |
5365 { | |
5366 FD_ZERO(&rfds); | |
5367 FD_ZERO(&efds); | |
5368 ret = 0; | |
5369 } | |
3046 | 5370 # endif |
14 | 5371 # ifdef FEAT_MZSCHEME |
5372 if (ret == 0 && mzquantum_used) | |
1450 | 5373 /* loop if MzThreads must be scheduled and timeout occurred */ |
14 | 5374 finished = FALSE; |
7 | 5375 # endif |
5376 | |
5377 # ifdef FEAT_SNIFF | |
5378 if (ret < 0 ) | |
5379 sniff_disconnect(1); | |
5380 else if (ret > 0 && want_sniff_request) | |
5381 { | |
5382 if (FD_ISSET(fd_from_sniff, &efds)) | |
5383 sniff_disconnect(1); | |
5384 if (FD_ISSET(fd_from_sniff, &rfds)) | |
5385 sniff_request_waiting = 1; | |
5386 } | |
5387 # endif | |
5388 # ifdef FEAT_XCLIPBOARD | |
5389 if (ret > 0 && xterm_Shell != (Widget)0 | |
5390 && FD_ISSET(ConnectionNumber(xterm_dpy), &rfds)) | |
5391 { | |
5392 xterm_update(); /* Maybe we should hand out clipboard */ | |
5393 /* continue looping when we only got the X event and the input | |
5394 * buffer is empty */ | |
5395 if (--ret == 0 && !input_available()) | |
5396 { | |
5397 /* Try again */ | |
5398 finished = FALSE; | |
5399 } | |
5400 } | |
5401 # endif | |
5402 # ifdef FEAT_MOUSE_GPM | |
5403 if (ret > 0 && gpm_flag && check_for_gpm != NULL && gpm_fd >= 0) | |
5404 { | |
5405 if (FD_ISSET(gpm_fd, &efds)) | |
5406 gpm_close(); | |
5407 else if (FD_ISSET(gpm_fd, &rfds)) | |
5408 *check_for_gpm = 1; | |
5409 } | |
5410 # endif | |
5411 # ifdef USE_XSMP | |
5412 if (ret > 0 && xsmp_icefd != -1) | |
5413 { | |
5414 if (FD_ISSET(xsmp_icefd, &efds)) | |
5415 { | |
5416 if (p_verbose > 0) | |
292 | 5417 verb_msg((char_u *)_("XSMP lost ICE connection")); |
7 | 5418 xsmp_close(); |
5419 if (--ret == 0) | |
5420 finished = FALSE; /* keep going if event was only one */ | |
5421 } | |
5422 else if (FD_ISSET(xsmp_icefd, &rfds)) | |
5423 { | |
5424 busy = TRUE; | |
5425 xsmp_handle_requests(); | |
5426 busy = FALSE; | |
5427 if (--ret == 0) | |
5428 finished = FALSE; /* keep going if event was only one */ | |
5429 } | |
5430 } | |
5431 # endif | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5432 #ifdef FEAT_NETBEANS_INTG |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5433 if (ret > 0 && nb_fd != -1 && FD_ISSET(nb_fd, &rfds)) |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5434 { |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5435 netbeans_read(); |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5436 --ret; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5437 } |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5438 #endif |
7 | 5439 |
5440 #endif /* HAVE_SELECT */ | |
5441 | |
5442 #ifdef MAY_LOOP | |
5443 if (finished || msec == 0) | |
5444 break; | |
5445 | |
5446 /* We're going to loop around again, find out for how long */ | |
5447 if (msec > 0) | |
5448 { | |
5449 # ifdef USE_START_TV | |
5450 struct timeval mtv; | |
5451 | |
5452 /* Compute remaining wait time. */ | |
5453 gettimeofday(&mtv, NULL); | |
5454 msec -= (mtv.tv_sec - start_tv.tv_sec) * 1000L | |
5455 + (mtv.tv_usec - start_tv.tv_usec) / 1000L; | |
5456 # else | |
5457 /* Guess we got interrupted halfway. */ | |
5458 msec = msec / 2; | |
5459 # endif | |
5460 if (msec <= 0) | |
5461 break; /* waited long enough */ | |
5462 } | |
5463 #endif | |
5464 } | |
5465 | |
5466 return (ret > 0); | |
5467 } | |
5468 | |
5469 #ifndef VMS | |
5470 | |
5471 #ifndef NO_EXPANDPATH | |
5472 /* | |
444 | 5473 * Expand a path into all matching files and/or directories. Handles "*", |
5474 * "?", "[a-z]", "**", etc. | |
5475 * "path" has backslashes before chars that are not to be expanded. | |
5476 * Returns the number of matches found. | |
7 | 5477 */ |
5478 int | |
5479 mch_expandpath(gap, path, flags) | |
5480 garray_T *gap; | |
5481 char_u *path; | |
5482 int flags; /* EW_* flags */ | |
5483 { | |
444 | 5484 return unix_expandpath(gap, path, 0, flags, FALSE); |
7 | 5485 } |
5486 #endif | |
5487 | |
5488 /* | |
5489 * mch_expand_wildcards() - this code does wild-card pattern matching using | |
5490 * the shell | |
5491 * | |
5492 * return OK for success, FAIL for error (you may lose some memory) and put | |
5493 * an error message in *file. | |
5494 * | |
5495 * num_pat is number of input patterns | |
5496 * pat is array of pointers to input patterns | |
5497 * num_file is pointer to number of matched file names | |
5498 * file is pointer to array of pointers to matched file names | |
5499 */ | |
5500 | |
5501 #ifndef SEEK_SET | |
5502 # define SEEK_SET 0 | |
5503 #endif | |
5504 #ifndef SEEK_END | |
5505 # define SEEK_END 2 | |
5506 #endif | |
5507 | |
822 | 5508 #define SHELL_SPECIAL (char_u *)"\t \"&'$;<>()\\|" |
628 | 5509 |
7 | 5510 int |
5511 mch_expand_wildcards(num_pat, pat, num_file, file, flags) | |
5512 int num_pat; | |
5513 char_u **pat; | |
5514 int *num_file; | |
5515 char_u ***file; | |
5516 int flags; /* EW_* flags */ | |
5517 { | |
5518 int i; | |
5519 size_t len; | |
5520 char_u *p; | |
5521 int dir; | |
5522 #ifdef __EMX__ | |
1508 | 5523 /* |
5524 * This is the OS/2 implementation. | |
5525 */ | |
7 | 5526 # define EXPL_ALLOC_INC 16 |
5527 char_u **expl_files; | |
5528 size_t files_alloced, files_free; | |
5529 char_u *buf; | |
5530 int has_wildcard; | |
5531 | |
5532 *num_file = 0; /* default: no files found */ | |
5533 files_alloced = EXPL_ALLOC_INC; /* how much space is allocated */ | |
5534 files_free = EXPL_ALLOC_INC; /* how much space is not used */ | |
5535 *file = (char_u **)alloc(sizeof(char_u **) * files_alloced); | |
5536 if (*file == NULL) | |
5537 return FAIL; | |
5538 | |
5539 for (; num_pat > 0; num_pat--, pat++) | |
5540 { | |
5541 expl_files = NULL; | |
5542 if (vim_strchr(*pat, '$') || vim_strchr(*pat, '~')) | |
5543 /* expand environment var or home dir */ | |
5544 buf = expand_env_save(*pat); | |
5545 else | |
5546 buf = vim_strsave(*pat); | |
5547 expl_files = NULL; | |
99 | 5548 has_wildcard = mch_has_exp_wildcard(buf); /* (still) wildcards? */ |
7 | 5549 if (has_wildcard) /* yes, so expand them */ |
5550 expl_files = (char_u **)_fnexplode(buf); | |
5551 | |
5552 /* | |
5553 * return value of buf if no wildcards left, | |
5554 * OR if no match AND EW_NOTFOUND is set. | |
5555 */ | |
5556 if ((!has_wildcard && ((flags & EW_NOTFOUND) || mch_getperm(buf) >= 0)) | |
5557 || (expl_files == NULL && (flags & EW_NOTFOUND))) | |
5558 { /* simply save the current contents of *buf */ | |
5559 expl_files = (char_u **)alloc(sizeof(char_u **) * 2); | |
5560 if (expl_files != NULL) | |
5561 { | |
5562 expl_files[0] = vim_strsave(buf); | |
5563 expl_files[1] = NULL; | |
5564 } | |
5565 } | |
5566 vim_free(buf); | |
5567 | |
5568 /* | |
5569 * Count number of names resulting from expansion, | |
5570 * At the same time add a backslash to the end of names that happen to | |
5571 * be directories, and replace slashes with backslashes. | |
5572 */ | |
5573 if (expl_files) | |
5574 { | |
5575 for (i = 0; (p = expl_files[i]) != NULL; i++) | |
5576 { | |
5577 dir = mch_isdir(p); | |
5578 /* If we don't want dirs and this is one, skip it */ | |
5579 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
5580 continue; | |
5581 | |
715 | 5582 /* Skip files that are not executable if we check for that. */ |
5583 if (!dir && (flags & EW_EXEC) && !mch_can_exe(p)) | |
5584 continue; | |
5585 | |
7 | 5586 if (--files_free == 0) |
5587 { | |
5588 /* need more room in table of pointers */ | |
5589 files_alloced += EXPL_ALLOC_INC; | |
5590 *file = (char_u **)vim_realloc(*file, | |
5591 sizeof(char_u **) * files_alloced); | |
5592 if (*file == NULL) | |
5593 { | |
5594 EMSG(_(e_outofmem)); | |
5595 *num_file = 0; | |
5596 return FAIL; | |
5597 } | |
5598 files_free = EXPL_ALLOC_INC; | |
5599 } | |
5600 slash_adjust(p); | |
5601 if (dir) | |
5602 { | |
5603 /* For a directory we add a '/', unless it's already | |
5604 * there. */ | |
5605 len = STRLEN(p); | |
5606 if (((*file)[*num_file] = alloc(len + 2)) != NULL) | |
5607 { | |
5608 STRCPY((*file)[*num_file], p); | |
902 | 5609 if (!after_pathsep((*file)[*num_file], |
5610 (*file)[*num_file] + len)) | |
7 | 5611 { |
5612 (*file)[*num_file][len] = psepc; | |
39 | 5613 (*file)[*num_file][len + 1] = NUL; |
7 | 5614 } |
5615 } | |
5616 } | |
5617 else | |
5618 { | |
5619 (*file)[*num_file] = vim_strsave(p); | |
5620 } | |
5621 | |
5622 /* | |
5623 * Error message already given by either alloc or vim_strsave. | |
5624 * Should return FAIL, but returning OK works also. | |
5625 */ | |
5626 if ((*file)[*num_file] == NULL) | |
5627 break; | |
5628 (*num_file)++; | |
5629 } | |
5630 _fnexplodefree((char **)expl_files); | |
5631 } | |
5632 } | |
5633 return OK; | |
5634 | |
5635 #else /* __EMX__ */ | |
1508 | 5636 /* |
5637 * This is the non-OS/2 implementation (really Unix). | |
5638 */ | |
7 | 5639 int j; |
5640 char_u *tempname; | |
5641 char_u *command; | |
5642 FILE *fd; | |
5643 char_u *buffer; | |
1508 | 5644 #define STYLE_ECHO 0 /* use "echo", the default */ |
5645 #define STYLE_GLOB 1 /* use "glob", for csh */ | |
5646 #define STYLE_VIMGLOB 2 /* use "vimglob", for Posix sh */ | |
5647 #define STYLE_PRINT 3 /* use "print -N", for zsh */ | |
5648 #define STYLE_BT 4 /* `cmd` expansion, execute the pattern | |
5649 * directly */ | |
7 | 5650 int shell_style = STYLE_ECHO; |
5651 int check_spaces; | |
5652 static int did_find_nul = FALSE; | |
5653 int ampersent = FALSE; | |
1508 | 5654 /* vimglob() function to define for Posix shell */ |
1620 | 5655 static char *sh_vimglob_func = "vimglob() { while [ $# -ge 1 ]; do echo \"$1\"; shift; done }; vimglob >"; |
7 | 5656 |
5657 *num_file = 0; /* default: no files found */ | |
5658 *file = NULL; | |
5659 | |
5660 /* | |
5661 * If there are no wildcards, just copy the names to allocated memory. | |
5662 * Saves a lot of time, because we don't have to start a new shell. | |
5663 */ | |
5664 if (!have_wildcard(num_pat, pat)) | |
5665 return save_patterns(num_pat, pat, num_file, file); | |
5666 | |
428 | 5667 # ifdef HAVE_SANDBOX |
5668 /* Don't allow any shell command in the sandbox. */ | |
5669 if (sandbox != 0 && check_secure()) | |
5670 return FAIL; | |
5671 # endif | |
5672 | |
7 | 5673 /* |
5674 * Don't allow the use of backticks in secure and restricted mode. | |
5675 */ | |
428 | 5676 if (secure || restricted) |
7 | 5677 for (i = 0; i < num_pat; ++i) |
5678 if (vim_strchr(pat[i], '`') != NULL | |
5679 && (check_restricted() || check_secure())) | |
5680 return FAIL; | |
5681 | |
5682 /* | |
5683 * get a name for the temp file | |
5684 */ | |
5685 if ((tempname = vim_tempname('o')) == NULL) | |
5686 { | |
5687 EMSG(_(e_notmp)); | |
5688 return FAIL; | |
5689 } | |
5690 | |
5691 /* | |
5692 * Let the shell expand the patterns and write the result into the temp | |
1508 | 5693 * file. |
5694 * STYLE_BT: NL separated | |
5695 * If expanding `cmd` execute it directly. | |
5696 * STYLE_GLOB: NUL separated | |
5697 * If we use *csh, "glob" will work better than "echo". | |
5698 * STYLE_PRINT: NL or NUL separated | |
5699 * If we use *zsh, "print -N" will work better than "glob". | |
5700 * STYLE_VIMGLOB: NL separated | |
5701 * If we use *sh*, we define "vimglob()". | |
5702 * STYLE_ECHO: space separated. | |
5703 * A shell we don't know, stay safe and use "echo". | |
7 | 5704 */ |
5705 if (num_pat == 1 && *pat[0] == '`' | |
5706 && (len = STRLEN(pat[0])) > 2 | |
5707 && *(pat[0] + len - 1) == '`') | |
5708 shell_style = STYLE_BT; | |
5709 else if ((len = STRLEN(p_sh)) >= 3) | |
5710 { | |
5711 if (STRCMP(p_sh + len - 3, "csh") == 0) | |
5712 shell_style = STYLE_GLOB; | |
5713 else if (STRCMP(p_sh + len - 3, "zsh") == 0) | |
5714 shell_style = STYLE_PRINT; | |
5715 } | |
1508 | 5716 if (shell_style == STYLE_ECHO && strstr((char *)gettail(p_sh), |
5717 "sh") != NULL) | |
5718 shell_style = STYLE_VIMGLOB; | |
5719 | |
5720 /* Compute the length of the command. We need 2 extra bytes: for the | |
5721 * optional '&' and for the NUL. | |
5722 * Worst case: "unset nonomatch; print -N >" plus two is 29 */ | |
7 | 5723 len = STRLEN(tempname) + 29; |
1508 | 5724 if (shell_style == STYLE_VIMGLOB) |
5725 len += STRLEN(sh_vimglob_func); | |
5726 | |
147 | 5727 for (i = 0; i < num_pat; ++i) |
5728 { | |
5729 /* Count the length of the patterns in the same way as they are put in | |
5730 * "command" below. */ | |
5731 #ifdef USE_SYSTEM | |
7 | 5732 len += STRLEN(pat[i]) + 3; /* add space and two quotes */ |
147 | 5733 #else |
5734 ++len; /* add space */ | |
628 | 5735 for (j = 0; pat[i][j] != NUL; ++j) |
5736 { | |
5737 if (vim_strchr(SHELL_SPECIAL, pat[i][j]) != NULL) | |
5738 ++len; /* may add a backslash */ | |
5739 ++len; | |
5740 } | |
147 | 5741 #endif |
5742 } | |
7 | 5743 command = alloc(len); |
5744 if (command == NULL) | |
5745 { | |
5746 /* out of memory */ | |
5747 vim_free(tempname); | |
5748 return FAIL; | |
5749 } | |
5750 | |
5751 /* | |
5752 * Build the shell command: | |
5753 * - Set $nonomatch depending on EW_NOTFOUND (hopefully the shell | |
5754 * recognizes this). | |
5755 * - Add the shell command to print the expanded names. | |
5756 * - Add the temp file name. | |
5757 * - Add the file name patterns. | |
5758 */ | |
5759 if (shell_style == STYLE_BT) | |
5760 { | |
628 | 5761 /* change `command; command& ` to (command; command ) */ |
5762 STRCPY(command, "("); | |
5763 STRCAT(command, pat[0] + 1); /* exclude first backtick */ | |
7 | 5764 p = command + STRLEN(command) - 1; |
628 | 5765 *p-- = ')'; /* remove last backtick */ |
7 | 5766 while (p > command && vim_iswhite(*p)) |
5767 --p; | |
5768 if (*p == '&') /* remove trailing '&' */ | |
5769 { | |
5770 ampersent = TRUE; | |
5771 *p = ' '; | |
5772 } | |
5773 STRCAT(command, ">"); | |
5774 } | |
5775 else | |
5776 { | |
5777 if (flags & EW_NOTFOUND) | |
5778 STRCPY(command, "set nonomatch; "); | |
5779 else | |
5780 STRCPY(command, "unset nonomatch; "); | |
5781 if (shell_style == STYLE_GLOB) | |
5782 STRCAT(command, "glob >"); | |
5783 else if (shell_style == STYLE_PRINT) | |
5784 STRCAT(command, "print -N >"); | |
1508 | 5785 else if (shell_style == STYLE_VIMGLOB) |
5786 STRCAT(command, sh_vimglob_func); | |
7 | 5787 else |
5788 STRCAT(command, "echo >"); | |
5789 } | |
1508 | 5790 |
7 | 5791 STRCAT(command, tempname); |
1508 | 5792 |
7 | 5793 if (shell_style != STYLE_BT) |
5794 for (i = 0; i < num_pat; ++i) | |
5795 { | |
5796 /* When using system() always add extra quotes, because the shell | |
628 | 5797 * is started twice. Otherwise put a backslash before special |
1450 | 5798 * characters, except inside ``. */ |
7 | 5799 #ifdef USE_SYSTEM |
5800 STRCAT(command, " \""); | |
5801 STRCAT(command, pat[i]); | |
5802 STRCAT(command, "\""); | |
5803 #else | |
233 | 5804 int intick = FALSE; |
5805 | |
7 | 5806 p = command + STRLEN(command); |
5807 *p++ = ' '; | |
628 | 5808 for (j = 0; pat[i][j] != NUL; ++j) |
233 | 5809 { |
5810 if (pat[i][j] == '`') | |
5811 intick = !intick; | |
628 | 5812 else if (pat[i][j] == '\\' && pat[i][j + 1] != NUL) |
5813 { | |
644 | 5814 /* Remove a backslash, take char literally. But keep |
652 | 5815 * backslash inside backticks, before a special character |
5816 * and before a backtick. */ | |
644 | 5817 if (intick |
652 | 5818 || vim_strchr(SHELL_SPECIAL, pat[i][j + 1]) != NULL |
5819 || pat[i][j + 1] == '`') | |
644 | 5820 *p++ = '\\'; |
648 | 5821 ++j; |
628 | 5822 } |
5823 else if (!intick && vim_strchr(SHELL_SPECIAL, | |
233 | 5824 pat[i][j]) != NULL) |
628 | 5825 /* Put a backslash before a special character, but not |
5826 * when inside ``. */ | |
5827 *p++ = '\\'; | |
648 | 5828 |
5829 /* Copy one character. */ | |
5830 *p++ = pat[i][j]; | |
233 | 5831 } |
7 | 5832 *p = NUL; |
5833 #endif | |
5834 } | |
5835 if (flags & EW_SILENT) | |
5836 show_shell_mess = FALSE; | |
5837 if (ampersent) | |
1508 | 5838 STRCAT(command, "&"); /* put the '&' after the redirection */ |
7 | 5839 |
5840 /* | |
5841 * Using zsh -G: If a pattern has no matches, it is just deleted from | |
5842 * the argument list, otherwise zsh gives an error message and doesn't | |
5843 * expand any other pattern. | |
5844 */ | |
5845 if (shell_style == STYLE_PRINT) | |
5846 extra_shell_arg = (char_u *)"-G"; /* Use zsh NULL_GLOB option */ | |
5847 | |
5848 /* | |
5849 * If we use -f then shell variables set in .cshrc won't get expanded. | |
5850 * vi can do it, so we will too, but it is only necessary if there is a "$" | |
5851 * in one of the patterns, otherwise we can still use the fast option. | |
5852 */ | |
5853 else if (shell_style == STYLE_GLOB && !have_dollars(num_pat, pat)) | |
5854 extra_shell_arg = (char_u *)"-f"; /* Use csh fast option */ | |
5855 | |
5856 /* | |
5857 * execute the shell command | |
5858 */ | |
5859 i = call_shell(command, SHELL_EXPAND | SHELL_SILENT); | |
5860 | |
5861 /* When running in the background, give it some time to create the temp | |
5862 * file, but don't wait for it to finish. */ | |
5863 if (ampersent) | |
5864 mch_delay(10L, TRUE); | |
5865 | |
5866 extra_shell_arg = NULL; /* cleanup */ | |
5867 show_shell_mess = TRUE; | |
5868 vim_free(command); | |
5869 | |
1508 | 5870 if (i != 0) /* mch_call_shell() failed */ |
7 | 5871 { |
5872 mch_remove(tempname); | |
5873 vim_free(tempname); | |
5874 /* | |
5875 * With interactive completion, the error message is not printed. | |
5876 * However with USE_SYSTEM, I don't know how to turn off error messages | |
5877 * from the shell, so screen may still get messed up -- webb. | |
5878 */ | |
5879 #ifndef USE_SYSTEM | |
5880 if (!(flags & EW_SILENT)) | |
5881 #endif | |
5882 { | |
5883 redraw_later_clear(); /* probably messed up screen */ | |
5884 msg_putchar('\n'); /* clear bottom line quickly */ | |
5885 cmdline_row = Rows - 1; /* continue on last line */ | |
5886 #ifdef USE_SYSTEM | |
5887 if (!(flags & EW_SILENT)) | |
5888 #endif | |
5889 { | |
5890 MSG(_(e_wildexpand)); | |
5891 msg_start(); /* don't overwrite this message */ | |
5892 } | |
5893 } | |
5894 /* If a `cmd` expansion failed, don't list `cmd` as a match, even when | |
5895 * EW_NOTFOUND is given */ | |
5896 if (shell_style == STYLE_BT) | |
5897 return FAIL; | |
5898 goto notfound; | |
5899 } | |
5900 | |
5901 /* | |
5902 * read the names from the file into memory | |
5903 */ | |
5904 fd = fopen((char *)tempname, READBIN); | |
5905 if (fd == NULL) | |
5906 { | |
5907 /* Something went wrong, perhaps a file name with a special char. */ | |
5908 if (!(flags & EW_SILENT)) | |
5909 { | |
5910 MSG(_(e_wildexpand)); | |
5911 msg_start(); /* don't overwrite this message */ | |
5912 } | |
5913 vim_free(tempname); | |
5914 goto notfound; | |
5915 } | |
5916 fseek(fd, 0L, SEEK_END); | |
5917 len = ftell(fd); /* get size of temp file */ | |
5918 fseek(fd, 0L, SEEK_SET); | |
5919 buffer = alloc(len + 1); | |
5920 if (buffer == NULL) | |
5921 { | |
5922 /* out of memory */ | |
5923 mch_remove(tempname); | |
5924 vim_free(tempname); | |
5925 fclose(fd); | |
5926 return FAIL; | |
5927 } | |
5928 i = fread((char *)buffer, 1, len, fd); | |
5929 fclose(fd); | |
5930 mch_remove(tempname); | |
1877 | 5931 if (i != (int)len) |
7 | 5932 { |
5933 /* unexpected read error */ | |
5934 EMSG2(_(e_notread), tempname); | |
5935 vim_free(tempname); | |
5936 vim_free(buffer); | |
5937 return FAIL; | |
5938 } | |
5939 vim_free(tempname); | |
5940 | |
1508 | 5941 # if defined(__CYGWIN__) || defined(__CYGWIN32__) |
7 | 5942 /* Translate <CR><NL> into <NL>. Caution, buffer may contain NUL. */ |
5943 p = buffer; | |
5037
5e0b6a9282df
updated for version 7.3.1262
Bram Moolenaar <bram@vim.org>
parents:
4299
diff
changeset
|
5944 for (i = 0; i < (int)len; ++i) |
7 | 5945 if (!(buffer[i] == CAR && buffer[i + 1] == NL)) |
5946 *p++ = buffer[i]; | |
5947 len = p - buffer; | |
5948 # endif | |
5949 | |
5950 | |
5951 /* file names are separated with Space */ | |
5952 if (shell_style == STYLE_ECHO) | |
5953 { | |
5954 buffer[len] = '\n'; /* make sure the buffer ends in NL */ | |
5955 p = buffer; | |
5956 for (i = 0; *p != '\n'; ++i) /* count number of entries */ | |
5957 { | |
5958 while (*p != ' ' && *p != '\n') | |
5959 ++p; | |
5960 p = skipwhite(p); /* skip to next entry */ | |
5961 } | |
5962 } | |
5963 /* file names are separated with NL */ | |
1508 | 5964 else if (shell_style == STYLE_BT || shell_style == STYLE_VIMGLOB) |
7 | 5965 { |
5966 buffer[len] = NUL; /* make sure the buffer ends in NUL */ | |
5967 p = buffer; | |
5968 for (i = 0; *p != NUL; ++i) /* count number of entries */ | |
5969 { | |
5970 while (*p != '\n' && *p != NUL) | |
5971 ++p; | |
5972 if (*p != NUL) | |
5973 ++p; | |
5974 p = skipwhite(p); /* skip leading white space */ | |
5975 } | |
5976 } | |
5977 /* file names are separated with NUL */ | |
5978 else | |
5979 { | |
5980 /* | |
5981 * Some versions of zsh use spaces instead of NULs to separate | |
5982 * results. Only do this when there is no NUL before the end of the | |
5983 * buffer, otherwise we would never be able to use file names with | |
5984 * embedded spaces when zsh does use NULs. | |
5985 * When we found a NUL once, we know zsh is OK, set did_find_nul and | |
5986 * don't check for spaces again. | |
5987 */ | |
5988 check_spaces = FALSE; | |
5989 if (shell_style == STYLE_PRINT && !did_find_nul) | |
5990 { | |
5991 /* If there is a NUL, set did_find_nul, else set check_spaces */ | |
2768 | 5992 buffer[len] = NUL; |
1877 | 5993 if (len && (int)STRLEN(buffer) < (int)len - 1) |
7 | 5994 did_find_nul = TRUE; |
5995 else | |
5996 check_spaces = TRUE; | |
5997 } | |
5998 | |
5999 /* | |
6000 * Make sure the buffer ends with a NUL. For STYLE_PRINT there | |
6001 * already is one, for STYLE_GLOB it needs to be added. | |
6002 */ | |
6003 if (len && buffer[len - 1] == NUL) | |
6004 --len; | |
6005 else | |
6006 buffer[len] = NUL; | |
6007 i = 0; | |
6008 for (p = buffer; p < buffer + len; ++p) | |
6009 if (*p == NUL || (*p == ' ' && check_spaces)) /* count entry */ | |
6010 { | |
6011 ++i; | |
6012 *p = NUL; | |
6013 } | |
6014 if (len) | |
6015 ++i; /* count last entry */ | |
6016 } | |
6017 if (i == 0) | |
6018 { | |
6019 /* | |
6020 * Can happen when using /bin/sh and typing ":e $NO_SUCH_VAR^I". | |
6021 * /bin/sh will happily expand it to nothing rather than returning an | |
6022 * error; and hey, it's good to check anyway -- webb. | |
6023 */ | |
6024 vim_free(buffer); | |
6025 goto notfound; | |
6026 } | |
6027 *num_file = i; | |
6028 *file = (char_u **)alloc(sizeof(char_u *) * i); | |
6029 if (*file == NULL) | |
6030 { | |
6031 /* out of memory */ | |
6032 vim_free(buffer); | |
6033 return FAIL; | |
6034 } | |
6035 | |
6036 /* | |
6037 * Isolate the individual file names. | |
6038 */ | |
6039 p = buffer; | |
6040 for (i = 0; i < *num_file; ++i) | |
6041 { | |
6042 (*file)[i] = p; | |
6043 /* Space or NL separates */ | |
1508 | 6044 if (shell_style == STYLE_ECHO || shell_style == STYLE_BT |
6045 || shell_style == STYLE_VIMGLOB) | |
7 | 6046 { |
652 | 6047 while (!(shell_style == STYLE_ECHO && *p == ' ') |
6048 && *p != '\n' && *p != NUL) | |
7 | 6049 ++p; |
6050 if (p == buffer + len) /* last entry */ | |
6051 *p = NUL; | |
6052 else | |
6053 { | |
6054 *p++ = NUL; | |
6055 p = skipwhite(p); /* skip to next entry */ | |
6056 } | |
6057 } | |
6058 else /* NUL separates */ | |
6059 { | |
6060 while (*p && p < buffer + len) /* skip entry */ | |
6061 ++p; | |
6062 ++p; /* skip NUL */ | |
6063 } | |
6064 } | |
6065 | |
6066 /* | |
6067 * Move the file names to allocated memory. | |
6068 */ | |
6069 for (j = 0, i = 0; i < *num_file; ++i) | |
6070 { | |
6071 /* Require the files to exist. Helps when using /bin/sh */ | |
6072 if (!(flags & EW_NOTFOUND) && mch_getperm((*file)[i]) < 0) | |
6073 continue; | |
6074 | |
6075 /* check if this entry should be included */ | |
6076 dir = (mch_isdir((*file)[i])); | |
6077 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
6078 continue; | |
6079 | |
715 | 6080 /* Skip files that are not executable if we check for that. */ |
6081 if (!dir && (flags & EW_EXEC) && !mch_can_exe((*file)[i])) | |
6082 continue; | |
6083 | |
7 | 6084 p = alloc((unsigned)(STRLEN((*file)[i]) + 1 + dir)); |
6085 if (p) | |
6086 { | |
6087 STRCPY(p, (*file)[i]); | |
6088 if (dir) | |
1479 | 6089 add_pathsep(p); /* add '/' to a directory name */ |
7 | 6090 (*file)[j++] = p; |
6091 } | |
6092 } | |
6093 vim_free(buffer); | |
6094 *num_file = j; | |
6095 | |
6096 if (*num_file == 0) /* rejected all entries */ | |
6097 { | |
6098 vim_free(*file); | |
6099 *file = NULL; | |
6100 goto notfound; | |
6101 } | |
6102 | |
6103 return OK; | |
6104 | |
6105 notfound: | |
6106 if (flags & EW_NOTFOUND) | |
6107 return save_patterns(num_pat, pat, num_file, file); | |
6108 return FAIL; | |
6109 | |
6110 #endif /* __EMX__ */ | |
6111 } | |
6112 | |
6113 #endif /* VMS */ | |
6114 | |
6115 #ifndef __EMX__ | |
6116 static int | |
6117 save_patterns(num_pat, pat, num_file, file) | |
6118 int num_pat; | |
6119 char_u **pat; | |
6120 int *num_file; | |
6121 char_u ***file; | |
6122 { | |
6123 int i; | |
99 | 6124 char_u *s; |
7 | 6125 |
6126 *file = (char_u **)alloc(num_pat * sizeof(char_u *)); | |
6127 if (*file == NULL) | |
6128 return FAIL; | |
6129 for (i = 0; i < num_pat; i++) | |
99 | 6130 { |
6131 s = vim_strsave(pat[i]); | |
6132 if (s != NULL) | |
6133 /* Be compatible with expand_filename(): halve the number of | |
6134 * backslashes. */ | |
6135 backslash_halve(s); | |
6136 (*file)[i] = s; | |
6137 } | |
7 | 6138 *num_file = num_pat; |
6139 return OK; | |
6140 } | |
6141 #endif | |
6142 | |
6143 /* | |
6144 * Return TRUE if the string "p" contains a wildcard that mch_expandpath() can | |
6145 * expand. | |
6146 */ | |
6147 int | |
6148 mch_has_exp_wildcard(p) | |
6149 char_u *p; | |
6150 { | |
39 | 6151 for ( ; *p; mb_ptr_adv(p)) |
7 | 6152 { |
6153 #ifndef OS2 | |
6154 if (*p == '\\' && p[1] != NUL) | |
6155 ++p; | |
6156 else | |
6157 #endif | |
6158 if (vim_strchr((char_u *) | |
6159 #ifdef VMS | |
6160 "*?%" | |
6161 #else | |
6162 # ifdef OS2 | |
6163 "*?" | |
6164 # else | |
6165 "*?[{'" | |
6166 # endif | |
6167 #endif | |
6168 , *p) != NULL) | |
6169 return TRUE; | |
6170 } | |
6171 return FALSE; | |
6172 } | |
6173 | |
6174 /* | |
6175 * Return TRUE if the string "p" contains a wildcard. | |
6176 * Don't recognize '~' at the end as a wildcard. | |
6177 */ | |
6178 int | |
6179 mch_has_wildcard(p) | |
6180 char_u *p; | |
6181 { | |
39 | 6182 for ( ; *p; mb_ptr_adv(p)) |
7 | 6183 { |
6184 #ifndef OS2 | |
6185 if (*p == '\\' && p[1] != NUL) | |
6186 ++p; | |
6187 else | |
6188 #endif | |
6189 if (vim_strchr((char_u *) | |
6190 #ifdef VMS | |
6191 "*?%$" | |
6192 #else | |
6193 # ifdef OS2 | |
6194 # ifdef VIM_BACKTICK | |
6195 "*?$`" | |
6196 # else | |
6197 "*?$" | |
6198 # endif | |
6199 # else | |
6200 "*?[{`'$" | |
6201 # endif | |
6202 #endif | |
6203 , *p) != NULL | |
6204 || (*p == '~' && p[1] != NUL)) | |
6205 return TRUE; | |
6206 } | |
6207 return FALSE; | |
6208 } | |
6209 | |
6210 #ifndef __EMX__ | |
6211 static int | |
6212 have_wildcard(num, file) | |
6213 int num; | |
6214 char_u **file; | |
6215 { | |
6216 int i; | |
6217 | |
6218 for (i = 0; i < num; i++) | |
6219 if (mch_has_wildcard(file[i])) | |
6220 return 1; | |
6221 return 0; | |
6222 } | |
6223 | |
6224 static int | |
6225 have_dollars(num, file) | |
6226 int num; | |
6227 char_u **file; | |
6228 { | |
6229 int i; | |
6230 | |
6231 for (i = 0; i < num; i++) | |
6232 if (vim_strchr(file[i], '$') != NULL) | |
6233 return TRUE; | |
6234 return FALSE; | |
6235 } | |
6236 #endif /* ifndef __EMX__ */ | |
6237 | |
6238 #ifndef HAVE_RENAME | |
6239 /* | |
6240 * Scaled-down version of rename(), which is missing in Xenix. | |
6241 * This version can only move regular files and will fail if the | |
6242 * destination exists. | |
6243 */ | |
6244 int | |
6245 mch_rename(src, dest) | |
6246 const char *src, *dest; | |
6247 { | |
6248 struct stat st; | |
6249 | |
6250 if (stat(dest, &st) >= 0) /* fail if destination exists */ | |
6251 return -1; | |
6252 if (link(src, dest) != 0) /* link file to new name */ | |
6253 return -1; | |
6254 if (mch_remove(src) == 0) /* delete link to old name */ | |
6255 return 0; | |
6256 return -1; | |
6257 } | |
6258 #endif /* !HAVE_RENAME */ | |
6259 | |
6260 #ifdef FEAT_MOUSE_GPM | |
6261 /* | |
6262 * Initializes connection with gpm (if it isn't already opened) | |
6263 * Return 1 if succeeded (or connection already opened), 0 if failed | |
6264 */ | |
6265 static int | |
6266 gpm_open() | |
6267 { | |
6268 static Gpm_Connect gpm_connect; /* Must it be kept till closing ? */ | |
6269 | |
6270 if (!gpm_flag) | |
6271 { | |
6272 gpm_connect.eventMask = (GPM_UP | GPM_DRAG | GPM_DOWN); | |
6273 gpm_connect.defaultMask = ~GPM_HARD; | |
6274 /* Default handling for mouse move*/ | |
6275 gpm_connect.minMod = 0; /* Handle any modifier keys */ | |
6276 gpm_connect.maxMod = 0xffff; | |
6277 if (Gpm_Open(&gpm_connect, 0) > 0) | |
6278 { | |
6279 /* gpm library tries to handling TSTP causes | |
6280 * problems. Anyways, we close connection to Gpm whenever | |
6281 * we are going to suspend or starting an external process | |
1450 | 6282 * so we shouldn't have problem with this |
7 | 6283 */ |
1832 | 6284 # ifdef SIGTSTP |
7 | 6285 signal(SIGTSTP, restricted ? SIG_IGN : SIG_DFL); |
1832 | 6286 # endif |
7 | 6287 return 1; /* succeed */ |
6288 } | |
6289 if (gpm_fd == -2) | |
6290 Gpm_Close(); /* We don't want to talk to xterm via gpm */ | |
6291 return 0; | |
6292 } | |
6293 return 1; /* already open */ | |
6294 } | |
6295 | |
6296 /* | |
6297 * Closes connection to gpm | |
6298 */ | |
6299 static void | |
6300 gpm_close() | |
6301 { | |
6302 if (gpm_flag && gpm_fd >= 0) /* if Open */ | |
6303 Gpm_Close(); | |
6304 } | |
6305 | |
6306 /* Reads gpm event and adds special keys to input buf. Returns length of | |
6307 * generated key sequence. | |
6308 * This function is made after gui_send_mouse_event | |
6309 */ | |
6310 static int | |
6311 mch_gpm_process() | |
6312 { | |
6313 int button; | |
6314 static Gpm_Event gpm_event; | |
6315 char_u string[6]; | |
6316 int_u vim_modifiers; | |
6317 int row,col; | |
6318 unsigned char buttons_mask; | |
6319 unsigned char gpm_modifiers; | |
6320 static unsigned char old_buttons = 0; | |
6321 | |
6322 Gpm_GetEvent(&gpm_event); | |
6323 | |
6324 #ifdef FEAT_GUI | |
6325 /* Don't put events in the input queue now. */ | |
6326 if (hold_gui_events) | |
6327 return 0; | |
6328 #endif | |
6329 | |
6330 row = gpm_event.y - 1; | |
6331 col = gpm_event.x - 1; | |
6332 | |
6333 string[0] = ESC; /* Our termcode */ | |
6334 string[1] = 'M'; | |
6335 string[2] = 'G'; | |
6336 switch (GPM_BARE_EVENTS(gpm_event.type)) | |
6337 { | |
6338 case GPM_DRAG: | |
6339 string[3] = MOUSE_DRAG; | |
6340 break; | |
6341 case GPM_DOWN: | |
6342 buttons_mask = gpm_event.buttons & ~old_buttons; | |
6343 old_buttons = gpm_event.buttons; | |
6344 switch (buttons_mask) | |
6345 { | |
6346 case GPM_B_LEFT: | |
6347 button = MOUSE_LEFT; | |
6348 break; | |
6349 case GPM_B_MIDDLE: | |
6350 button = MOUSE_MIDDLE; | |
6351 break; | |
6352 case GPM_B_RIGHT: | |
6353 button = MOUSE_RIGHT; | |
6354 break; | |
6355 default: | |
6356 return 0; | |
6357 /*Don't know what to do. Can more than one button be | |
6358 * reported in one event? */ | |
6359 } | |
6360 string[3] = (char_u)(button | 0x20); | |
6361 SET_NUM_MOUSE_CLICKS(string[3], gpm_event.clicks + 1); | |
6362 break; | |
6363 case GPM_UP: | |
6364 string[3] = MOUSE_RELEASE; | |
6365 old_buttons &= ~gpm_event.buttons; | |
6366 break; | |
6367 default: | |
6368 return 0; | |
6369 } | |
6370 /*This code is based on gui_x11_mouse_cb in gui_x11.c */ | |
6371 gpm_modifiers = gpm_event.modifiers; | |
6372 vim_modifiers = 0x0; | |
6373 /* I ignore capslock stats. Aren't we all just hate capslock mixing with | |
6374 * Vim commands ? Besides, gpm_event.modifiers is unsigned char, and | |
6375 * K_CAPSSHIFT is defined 8, so it probably isn't even reported | |
6376 */ | |
6377 if (gpm_modifiers & ((1 << KG_SHIFT) | (1 << KG_SHIFTR) | (1 << KG_SHIFTL))) | |
6378 vim_modifiers |= MOUSE_SHIFT; | |
6379 | |
6380 if (gpm_modifiers & ((1 << KG_CTRL) | (1 << KG_CTRLR) | (1 << KG_CTRLL))) | |
6381 vim_modifiers |= MOUSE_CTRL; | |
6382 if (gpm_modifiers & ((1 << KG_ALT) | (1 << KG_ALTGR))) | |
6383 vim_modifiers |= MOUSE_ALT; | |
6384 string[3] |= vim_modifiers; | |
6385 string[4] = (char_u)(col + ' ' + 1); | |
6386 string[5] = (char_u)(row + ' ' + 1); | |
6387 add_to_input_buf(string, 6); | |
6388 return 6; | |
6389 } | |
6390 #endif /* FEAT_MOUSE_GPM */ | |
6391 | |
1620 | 6392 #ifdef FEAT_SYSMOUSE |
6393 /* | |
6394 * Initialize connection with sysmouse. | |
6395 * Let virtual console inform us with SIGUSR2 for pending sysmouse | |
6396 * output, any sysmouse output than will be processed via sig_sysmouse(). | |
6397 * Return OK if succeeded, FAIL if failed. | |
6398 */ | |
6399 static int | |
6400 sysmouse_open() | |
6401 { | |
6402 struct mouse_info mouse; | |
6403 | |
6404 mouse.operation = MOUSE_MODE; | |
6405 mouse.u.mode.mode = 0; | |
6406 mouse.u.mode.signal = SIGUSR2; | |
6407 if (ioctl(1, CONS_MOUSECTL, &mouse) != -1) | |
6408 { | |
6409 signal(SIGUSR2, (RETSIGTYPE (*)())sig_sysmouse); | |
6410 mouse.operation = MOUSE_SHOW; | |
6411 ioctl(1, CONS_MOUSECTL, &mouse); | |
6412 return OK; | |
6413 } | |
6414 return FAIL; | |
6415 } | |
6416 | |
6417 /* | |
6418 * Stop processing SIGUSR2 signals, and also make sure that | |
6419 * virtual console do not send us any sysmouse related signal. | |
6420 */ | |
6421 static void | |
6422 sysmouse_close() | |
6423 { | |
6424 struct mouse_info mouse; | |
6425 | |
6426 signal(SIGUSR2, restricted ? SIG_IGN : SIG_DFL); | |
6427 mouse.operation = MOUSE_MODE; | |
6428 mouse.u.mode.mode = 0; | |
6429 mouse.u.mode.signal = 0; | |
6430 ioctl(1, CONS_MOUSECTL, &mouse); | |
6431 } | |
6432 | |
6433 /* | |
6434 * Gets info from sysmouse and adds special keys to input buf. | |
6435 */ | |
6436 static RETSIGTYPE | |
6437 sig_sysmouse SIGDEFARG(sigarg) | |
6438 { | |
6439 struct mouse_info mouse; | |
6440 struct video_info video; | |
6441 char_u string[6]; | |
6442 int row, col; | |
6443 int button; | |
6444 int buttons; | |
6445 static int oldbuttons = 0; | |
6446 | |
6447 #ifdef FEAT_GUI | |
6448 /* Don't put events in the input queue now. */ | |
6449 if (hold_gui_events) | |
6450 return; | |
6451 #endif | |
6452 | |
6453 mouse.operation = MOUSE_GETINFO; | |
6454 if (ioctl(1, FBIO_GETMODE, &video.vi_mode) != -1 | |
6455 && ioctl(1, FBIO_MODEINFO, &video) != -1 | |
6456 && ioctl(1, CONS_MOUSECTL, &mouse) != -1 | |
6457 && video.vi_cheight > 0 && video.vi_cwidth > 0) | |
6458 { | |
6459 row = mouse.u.data.y / video.vi_cheight; | |
6460 col = mouse.u.data.x / video.vi_cwidth; | |
6461 buttons = mouse.u.data.buttons; | |
6462 string[0] = ESC; /* Our termcode */ | |
6463 string[1] = 'M'; | |
6464 string[2] = 'S'; | |
6465 if (oldbuttons == buttons && buttons != 0) | |
6466 { | |
6467 button = MOUSE_DRAG; | |
6468 } | |
6469 else | |
6470 { | |
6471 switch (buttons) | |
6472 { | |
6473 case 0: | |
6474 button = MOUSE_RELEASE; | |
6475 break; | |
6476 case 1: | |
6477 button = MOUSE_LEFT; | |
6478 break; | |
6479 case 2: | |
6480 button = MOUSE_MIDDLE; | |
6481 break; | |
6482 case 4: | |
6483 button = MOUSE_RIGHT; | |
6484 break; | |
6485 default: | |
6486 return; | |
6487 } | |
6488 oldbuttons = buttons; | |
6489 } | |
6490 string[3] = (char_u)(button); | |
6491 string[4] = (char_u)(col + ' ' + 1); | |
6492 string[5] = (char_u)(row + ' ' + 1); | |
6493 add_to_input_buf(string, 6); | |
6494 } | |
6495 return; | |
6496 } | |
6497 #endif /* FEAT_SYSMOUSE */ | |
6498 | |
7 | 6499 #if defined(FEAT_LIBCALL) || defined(PROTO) |
6500 typedef char_u * (*STRPROCSTR)__ARGS((char_u *)); | |
6501 typedef char_u * (*INTPROCSTR)__ARGS((int)); | |
6502 typedef int (*STRPROCINT)__ARGS((char_u *)); | |
6503 typedef int (*INTPROCINT)__ARGS((int)); | |
6504 | |
6505 /* | |
6506 * Call a DLL routine which takes either a string or int param | |
6507 * and returns an allocated string. | |
6508 */ | |
6509 int | |
6510 mch_libcall(libname, funcname, argstring, argint, string_result, number_result) | |
6511 char_u *libname; | |
6512 char_u *funcname; | |
6513 char_u *argstring; /* NULL when using a argint */ | |
6514 int argint; | |
6515 char_u **string_result;/* NULL when using number_result */ | |
6516 int *number_result; | |
6517 { | |
6518 # if defined(USE_DLOPEN) | |
6519 void *hinstLib; | |
12 | 6520 char *dlerr = NULL; |
7 | 6521 # else |
6522 shl_t hinstLib; | |
6523 # endif | |
6524 STRPROCSTR ProcAdd; | |
6525 INTPROCSTR ProcAddI; | |
6526 char_u *retval_str = NULL; | |
6527 int retval_int = 0; | |
6528 int success = FALSE; | |
6529 | |
900 | 6530 /* |
6531 * Get a handle to the DLL module. | |
6532 */ | |
7 | 6533 # if defined(USE_DLOPEN) |
900 | 6534 /* First clear any error, it's not cleared by the dlopen() call. */ |
6535 (void)dlerror(); | |
6536 | |
7 | 6537 hinstLib = dlopen((char *)libname, RTLD_LAZY |
6538 # ifdef RTLD_LOCAL | |
6539 | RTLD_LOCAL | |
6540 # endif | |
6541 ); | |
12 | 6542 if (hinstLib == NULL) |
6543 { | |
6544 /* "dlerr" must be used before dlclose() */ | |
6545 dlerr = (char *)dlerror(); | |
6546 if (dlerr != NULL) | |
6547 EMSG2(_("dlerror = \"%s\""), dlerr); | |
6548 } | |
7 | 6549 # else |
6550 hinstLib = shl_load((const char*)libname, BIND_IMMEDIATE|BIND_VERBOSE, 0L); | |
6551 # endif | |
6552 | |
6553 /* If the handle is valid, try to get the function address. */ | |
6554 if (hinstLib != NULL) | |
6555 { | |
6556 # ifdef HAVE_SETJMP_H | |
6557 /* | |
6558 * Catch a crash when calling the library function. For example when | |
6559 * using a number where a string pointer is expected. | |
6560 */ | |
6561 mch_startjmp(); | |
6562 if (SETJMP(lc_jump_env) != 0) | |
6563 { | |
6564 success = FALSE; | |
857 | 6565 # if defined(USE_DLOPEN) |
12 | 6566 dlerr = NULL; |
857 | 6567 # endif |
7 | 6568 mch_didjmp(); |
6569 } | |
6570 else | |
6571 # endif | |
6572 { | |
6573 retval_str = NULL; | |
6574 retval_int = 0; | |
6575 | |
6576 if (argstring != NULL) | |
6577 { | |
6578 # if defined(USE_DLOPEN) | |
6579 ProcAdd = (STRPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
12 | 6580 dlerr = (char *)dlerror(); |
7 | 6581 # else |
6582 if (shl_findsym(&hinstLib, (const char *)funcname, | |
6583 TYPE_PROCEDURE, (void *)&ProcAdd) < 0) | |
6584 ProcAdd = NULL; | |
6585 # endif | |
12 | 6586 if ((success = (ProcAdd != NULL |
6587 # if defined(USE_DLOPEN) | |
6588 && dlerr == NULL | |
6589 # endif | |
6590 ))) | |
7 | 6591 { |
6592 if (string_result == NULL) | |
6593 retval_int = ((STRPROCINT)ProcAdd)(argstring); | |
6594 else | |
6595 retval_str = (ProcAdd)(argstring); | |
6596 } | |
6597 } | |
6598 else | |
6599 { | |
6600 # if defined(USE_DLOPEN) | |
6601 ProcAddI = (INTPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
12 | 6602 dlerr = (char *)dlerror(); |
7 | 6603 # else |
6604 if (shl_findsym(&hinstLib, (const char *)funcname, | |
6605 TYPE_PROCEDURE, (void *)&ProcAddI) < 0) | |
6606 ProcAddI = NULL; | |
6607 # endif | |
12 | 6608 if ((success = (ProcAddI != NULL |
6609 # if defined(USE_DLOPEN) | |
6610 && dlerr == NULL | |
6611 # endif | |
6612 ))) | |
7 | 6613 { |
6614 if (string_result == NULL) | |
6615 retval_int = ((INTPROCINT)ProcAddI)(argint); | |
6616 else | |
6617 retval_str = (ProcAddI)(argint); | |
6618 } | |
6619 } | |
6620 | |
6621 /* Save the string before we free the library. */ | |
6622 /* Assume that a "1" or "-1" result is an illegal pointer. */ | |
6623 if (string_result == NULL) | |
6624 *number_result = retval_int; | |
6625 else if (retval_str != NULL | |
6626 && retval_str != (char_u *)1 | |
6627 && retval_str != (char_u *)-1) | |
6628 *string_result = vim_strsave(retval_str); | |
6629 } | |
6630 | |
6631 # ifdef HAVE_SETJMP_H | |
6632 mch_endjmp(); | |
6633 # ifdef SIGHASARG | |
6634 if (lc_signal != 0) | |
6635 { | |
6636 int i; | |
6637 | |
6638 /* try to find the name of this signal */ | |
6639 for (i = 0; signal_info[i].sig != -1; i++) | |
6640 if (lc_signal == signal_info[i].sig) | |
6641 break; | |
6642 EMSG2("E368: got SIG%s in libcall()", signal_info[i].name); | |
6643 } | |
6644 # endif | |
6645 # endif | |
6646 | |
12 | 6647 # if defined(USE_DLOPEN) |
6648 /* "dlerr" must be used before dlclose() */ | |
6649 if (dlerr != NULL) | |
6650 EMSG2(_("dlerror = \"%s\""), dlerr); | |
6651 | |
7 | 6652 /* Free the DLL module. */ |
6653 (void)dlclose(hinstLib); | |
6654 # else | |
6655 (void)shl_unload(hinstLib); | |
6656 # endif | |
6657 } | |
6658 | |
6659 if (!success) | |
6660 { | |
6661 EMSG2(_(e_libcall), funcname); | |
6662 return FAIL; | |
6663 } | |
6664 | |
6665 return OK; | |
6666 } | |
6667 #endif | |
6668 | |
6669 #if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) || defined(PROTO) | |
6670 static int xterm_trace = -1; /* default: disabled */ | |
6671 static int xterm_button; | |
6672 | |
6673 /* | |
6674 * Setup a dummy window for X selections in a terminal. | |
6675 */ | |
6676 void | |
6677 setup_term_clip() | |
6678 { | |
6679 int z = 0; | |
6680 char *strp = ""; | |
6681 Widget AppShell; | |
6682 | |
6683 if (!x_connect_to_server()) | |
6684 return; | |
6685 | |
6686 open_app_context(); | |
6687 if (app_context != NULL && xterm_Shell == (Widget)0) | |
6688 { | |
6689 int (*oldhandler)(); | |
6690 #if defined(HAVE_SETJMP_H) | |
6691 int (*oldIOhandler)(); | |
6692 #endif | |
6693 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
6694 struct timeval start_tv; | |
6695 | |
6696 if (p_verbose > 0) | |
6697 gettimeofday(&start_tv, NULL); | |
6698 # endif | |
6699 | |
6700 /* Ignore X errors while opening the display */ | |
6701 oldhandler = XSetErrorHandler(x_error_check); | |
6702 | |
6703 #if defined(HAVE_SETJMP_H) | |
6704 /* Ignore X IO errors while opening the display */ | |
6705 oldIOhandler = XSetIOErrorHandler(x_IOerror_check); | |
6706 mch_startjmp(); | |
6707 if (SETJMP(lc_jump_env) != 0) | |
6708 { | |
6709 mch_didjmp(); | |
6710 xterm_dpy = NULL; | |
6711 } | |
6712 else | |
6713 #endif | |
6714 { | |
6715 xterm_dpy = XtOpenDisplay(app_context, xterm_display, | |
6716 "vim_xterm", "Vim_xterm", NULL, 0, &z, &strp); | |
6717 #if defined(HAVE_SETJMP_H) | |
6718 mch_endjmp(); | |
6719 #endif | |
6720 } | |
6721 | |
6722 #if defined(HAVE_SETJMP_H) | |
6723 /* Now handle X IO errors normally. */ | |
6724 (void)XSetIOErrorHandler(oldIOhandler); | |
6725 #endif | |
6726 /* Now handle X errors normally. */ | |
6727 (void)XSetErrorHandler(oldhandler); | |
6728 | |
6729 if (xterm_dpy == NULL) | |
6730 { | |
6731 if (p_verbose > 0) | |
292 | 6732 verb_msg((char_u *)_("Opening the X display failed")); |
7 | 6733 return; |
6734 } | |
6735 | |
6736 /* Catch terminating error of the X server connection. */ | |
6737 (void)XSetIOErrorHandler(x_IOerror_handler); | |
6738 | |
6739 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
6740 if (p_verbose > 0) | |
292 | 6741 { |
6742 verbose_enter(); | |
7 | 6743 xopen_message(&start_tv); |
292 | 6744 verbose_leave(); |
6745 } | |
7 | 6746 # endif |
6747 | |
6748 /* Create a Shell to make converters work. */ | |
6749 AppShell = XtVaAppCreateShell("vim_xterm", "Vim_xterm", | |
6750 applicationShellWidgetClass, xterm_dpy, | |
6751 NULL); | |
6752 if (AppShell == (Widget)0) | |
6753 return; | |
6754 xterm_Shell = XtVaCreatePopupShell("VIM", | |
6755 topLevelShellWidgetClass, AppShell, | |
6756 XtNmappedWhenManaged, 0, | |
6757 XtNwidth, 1, | |
6758 XtNheight, 1, | |
6759 NULL); | |
6760 if (xterm_Shell == (Widget)0) | |
6761 return; | |
6762 | |
6763 x11_setup_atoms(xterm_dpy); | |
2270
917fff7bc09d
Fixes for time in clipboard request. Also fix ownership. (David Fries)
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
6764 x11_setup_selection(xterm_Shell); |
7 | 6765 if (x11_display == NULL) |
6766 x11_display = xterm_dpy; | |
6767 | |
6768 XtRealizeWidget(xterm_Shell); | |
6769 XSync(xterm_dpy, False); | |
6770 xterm_update(); | |
6771 } | |
6772 if (xterm_Shell != (Widget)0) | |
6773 { | |
6774 clip_init(TRUE); | |
6775 if (x11_window == 0 && (strp = getenv("WINDOWID")) != NULL) | |
6776 x11_window = (Window)atol(strp); | |
6777 /* Check if $WINDOWID is valid. */ | |
6778 if (test_x11_window(xterm_dpy) == FAIL) | |
6779 x11_window = 0; | |
6780 if (x11_window != 0) | |
6781 xterm_trace = 0; | |
6782 } | |
6783 } | |
6784 | |
6785 void | |
6786 start_xterm_trace(button) | |
6787 int button; | |
6788 { | |
6789 if (x11_window == 0 || xterm_trace < 0 || xterm_Shell == (Widget)0) | |
6790 return; | |
6791 xterm_trace = 1; | |
6792 xterm_button = button; | |
6793 do_xterm_trace(); | |
6794 } | |
6795 | |
6796 | |
6797 void | |
6798 stop_xterm_trace() | |
6799 { | |
6800 if (xterm_trace < 0) | |
6801 return; | |
6802 xterm_trace = 0; | |
6803 } | |
6804 | |
6805 /* | |
6806 * Query the xterm pointer and generate mouse termcodes if necessary | |
6807 * return TRUE if dragging is active, else FALSE | |
6808 */ | |
6809 static int | |
6810 do_xterm_trace() | |
6811 { | |
6812 Window root, child; | |
6813 int root_x, root_y; | |
6814 int win_x, win_y; | |
6815 int row, col; | |
6816 int_u mask_return; | |
6817 char_u buf[50]; | |
6818 char_u *strp; | |
6819 long got_hints; | |
6820 static char_u *mouse_code; | |
6821 static char_u mouse_name[2] = {KS_MOUSE, KE_FILLER}; | |
6822 static int prev_row = 0, prev_col = 0; | |
6823 static XSizeHints xterm_hints; | |
6824 | |
6825 if (xterm_trace <= 0) | |
6826 return FALSE; | |
6827 | |
6828 if (xterm_trace == 1) | |
6829 { | |
6830 /* Get the hints just before tracking starts. The font size might | |
1510 | 6831 * have changed recently. */ |
6832 if (!XGetWMNormalHints(xterm_dpy, x11_window, &xterm_hints, &got_hints) | |
6833 || !(got_hints & PResizeInc) | |
7 | 6834 || xterm_hints.width_inc <= 1 |
6835 || xterm_hints.height_inc <= 1) | |
6836 { | |
6837 xterm_trace = -1; /* Not enough data -- disable tracing */ | |
6838 return FALSE; | |
6839 } | |
6840 | |
6841 /* Rely on the same mouse code for the duration of this */ | |
6842 mouse_code = find_termcode(mouse_name); | |
6843 prev_row = mouse_row; | |
6844 prev_row = mouse_col; | |
6845 xterm_trace = 2; | |
6846 | |
6847 /* Find the offset of the chars, there might be a scrollbar on the | |
6848 * left of the window and/or a menu on the top (eterm etc.) */ | |
6849 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
6850 &win_x, &win_y, &mask_return); | |
6851 xterm_hints.y = win_y - (xterm_hints.height_inc * mouse_row) | |
6852 - (xterm_hints.height_inc / 2); | |
6853 if (xterm_hints.y <= xterm_hints.height_inc / 2) | |
6854 xterm_hints.y = 2; | |
6855 xterm_hints.x = win_x - (xterm_hints.width_inc * mouse_col) | |
6856 - (xterm_hints.width_inc / 2); | |
6857 if (xterm_hints.x <= xterm_hints.width_inc / 2) | |
6858 xterm_hints.x = 2; | |
6859 return TRUE; | |
6860 } | |
2768 | 6861 if (mouse_code == NULL || STRLEN(mouse_code) > 45) |
7 | 6862 { |
6863 xterm_trace = 0; | |
6864 return FALSE; | |
6865 } | |
6866 | |
6867 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
6868 &win_x, &win_y, &mask_return); | |
6869 | |
6870 row = check_row((win_y - xterm_hints.y) / xterm_hints.height_inc); | |
6871 col = check_col((win_x - xterm_hints.x) / xterm_hints.width_inc); | |
6872 if (row == prev_row && col == prev_col) | |
6873 return TRUE; | |
6874 | |
6875 STRCPY(buf, mouse_code); | |
6876 strp = buf + STRLEN(buf); | |
6877 *strp++ = (xterm_button | MOUSE_DRAG) & ~0x20; | |
6878 *strp++ = (char_u)(col + ' ' + 1); | |
6879 *strp++ = (char_u)(row + ' ' + 1); | |
6880 *strp = 0; | |
6881 add_to_input_buf(buf, STRLEN(buf)); | |
6882 | |
6883 prev_row = row; | |
6884 prev_col = col; | |
6885 return TRUE; | |
6886 } | |
6887 | |
6888 # if defined(FEAT_GUI) || defined(PROTO) | |
6889 /* | |
6890 * Destroy the display, window and app_context. Required for GTK. | |
6891 */ | |
6892 void | |
6893 clear_xterm_clip() | |
6894 { | |
6895 if (xterm_Shell != (Widget)0) | |
6896 { | |
6897 XtDestroyWidget(xterm_Shell); | |
6898 xterm_Shell = (Widget)0; | |
6899 } | |
6900 if (xterm_dpy != NULL) | |
6901 { | |
1605 | 6902 # if 0 |
7 | 6903 /* Lesstif and Solaris crash here, lose some memory */ |
6904 XtCloseDisplay(xterm_dpy); | |
1605 | 6905 # endif |
7 | 6906 if (x11_display == xterm_dpy) |
6907 x11_display = NULL; | |
6908 xterm_dpy = NULL; | |
6909 } | |
1605 | 6910 # if 0 |
7 | 6911 if (app_context != (XtAppContext)NULL) |
6912 { | |
6913 /* Lesstif and Solaris crash here, lose some memory */ | |
6914 XtDestroyApplicationContext(app_context); | |
6915 app_context = (XtAppContext)NULL; | |
6916 } | |
1605 | 6917 # endif |
7 | 6918 } |
6919 # endif | |
6920 | |
6921 /* | |
4230 | 6922 * Catch up with GUI or X events. |
6923 */ | |
6924 static void | |
6925 clip_update() | |
6926 { | |
6927 # ifdef FEAT_GUI | |
6928 if (gui.in_use) | |
6929 gui_mch_update(); | |
6930 else | |
6931 # endif | |
6932 if (xterm_Shell != (Widget)0) | |
6933 xterm_update(); | |
6934 } | |
6935 | |
6936 /* | |
7 | 6937 * Catch up with any queued X events. This may put keyboard input into the |
6938 * input buffer, call resize call-backs, trigger timers etc. If there is | |
6939 * nothing in the X event queue (& no timers pending), then we return | |
6940 * immediately. | |
6941 */ | |
6942 static void | |
6943 xterm_update() | |
6944 { | |
6945 XEvent event; | |
6946 | |
6947 while (XtAppPending(app_context) && !vim_is_input_buf_full()) | |
6948 { | |
6949 XtAppNextEvent(app_context, &event); | |
6950 #ifdef FEAT_CLIENTSERVER | |
6951 { | |
6952 XPropertyEvent *e = (XPropertyEvent *)&event; | |
6953 | |
6954 if (e->type == PropertyNotify && e->window == commWindow | |
6955 && e->atom == commProperty && e->state == PropertyNewValue) | |
6956 serverEventProc(xterm_dpy, &event); | |
6957 } | |
6958 #endif | |
6959 XtDispatchEvent(&event); | |
6960 } | |
6961 } | |
6962 | |
6963 int | |
6964 clip_xterm_own_selection(cbd) | |
6965 VimClipboard *cbd; | |
6966 { | |
6967 if (xterm_Shell != (Widget)0) | |
6968 return clip_x11_own_selection(xterm_Shell, cbd); | |
6969 return FAIL; | |
6970 } | |
6971 | |
6972 void | |
6973 clip_xterm_lose_selection(cbd) | |
6974 VimClipboard *cbd; | |
6975 { | |
6976 if (xterm_Shell != (Widget)0) | |
6977 clip_x11_lose_selection(xterm_Shell, cbd); | |
6978 } | |
6979 | |
6980 void | |
6981 clip_xterm_request_selection(cbd) | |
6982 VimClipboard *cbd; | |
6983 { | |
6984 if (xterm_Shell != (Widget)0) | |
6985 clip_x11_request_selection(xterm_Shell, xterm_dpy, cbd); | |
6986 } | |
6987 | |
6988 void | |
6989 clip_xterm_set_selection(cbd) | |
6990 VimClipboard *cbd; | |
6991 { | |
6992 clip_x11_set_selection(cbd); | |
6993 } | |
6994 #endif | |
6995 | |
6996 | |
6997 #if defined(USE_XSMP) || defined(PROTO) | |
6998 /* | |
6999 * Code for X Session Management Protocol. | |
7000 */ | |
7001 static void xsmp_handle_save_yourself __ARGS((SmcConn smc_conn, SmPointer client_data, int save_type, Bool shutdown, int interact_style, Bool fast)); | |
7002 static void xsmp_die __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
7003 static void xsmp_save_complete __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
7004 static void xsmp_shutdown_cancelled __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
7005 static void xsmp_ice_connection __ARGS((IceConn iceConn, IcePointer clientData, Bool opening, IcePointer *watchData)); | |
7006 | |
7007 | |
7008 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
7009 static void xsmp_handle_interaction __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
7010 | |
7011 /* | |
7012 * This is our chance to ask the user if they want to save, | |
7013 * or abort the logout | |
7014 */ | |
7015 static void | |
7016 xsmp_handle_interaction(smc_conn, client_data) | |
7017 SmcConn smc_conn; | |
1883 | 7018 SmPointer client_data UNUSED; |
7 | 7019 { |
7020 cmdmod_T save_cmdmod; | |
7021 int cancel_shutdown = False; | |
7022 | |
7023 save_cmdmod = cmdmod; | |
7024 cmdmod.confirm = TRUE; | |
7025 if (check_changed_any(FALSE)) | |
7026 /* Mustn't logout */ | |
7027 cancel_shutdown = True; | |
7028 cmdmod = save_cmdmod; | |
7029 setcursor(); /* position cursor */ | |
7030 out_flush(); | |
7031 | |
7032 /* Done interaction */ | |
7033 SmcInteractDone(smc_conn, cancel_shutdown); | |
7034 | |
7035 /* Finish off | |
7036 * Only end save-yourself here if we're not cancelling shutdown; | |
7037 * we'll get a cancelled callback later in which we'll end it. | |
7038 * Hopefully get around glitchy SMs (like GNOME-1) | |
7039 */ | |
7040 if (!cancel_shutdown) | |
7041 { | |
7042 xsmp.save_yourself = False; | |
7043 SmcSaveYourselfDone(smc_conn, True); | |
7044 } | |
7045 } | |
7046 # endif | |
7047 | |
7048 /* | |
7049 * Callback that starts save-yourself. | |
7050 */ | |
7051 static void | |
7052 xsmp_handle_save_yourself(smc_conn, client_data, save_type, | |
7053 shutdown, interact_style, fast) | |
7054 SmcConn smc_conn; | |
1883 | 7055 SmPointer client_data UNUSED; |
7056 int save_type UNUSED; | |
7 | 7057 Bool shutdown; |
1883 | 7058 int interact_style UNUSED; |
7059 Bool fast UNUSED; | |
7 | 7060 { |
7061 /* Handle already being in saveyourself */ | |
7062 if (xsmp.save_yourself) | |
7063 SmcSaveYourselfDone(smc_conn, True); | |
7064 xsmp.save_yourself = True; | |
7065 xsmp.shutdown = shutdown; | |
7066 | |
7067 /* First up, preserve all files */ | |
7068 out_flush(); | |
7069 ml_sync_all(FALSE, FALSE); /* preserve all swap files */ | |
7070 | |
7071 if (p_verbose > 0) | |
292 | 7072 verb_msg((char_u *)_("XSMP handling save-yourself request")); |
7 | 7073 |
7074 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
7075 /* Now see if we can ask about unsaved files */ | |
7076 if (shutdown && !fast && gui.in_use) | |
7077 /* Need to interact with user, but need SM's permission */ | |
7078 SmcInteractRequest(smc_conn, SmDialogError, | |
7079 xsmp_handle_interaction, client_data); | |
7080 else | |
7081 # endif | |
7082 { | |
7083 /* Can stop the cycle here */ | |
7084 SmcSaveYourselfDone(smc_conn, True); | |
7085 xsmp.save_yourself = False; | |
7086 } | |
7087 } | |
7088 | |
7089 | |
7090 /* | |
7091 * Callback to warn us of imminent death. | |
7092 */ | |
7093 static void | |
7094 xsmp_die(smc_conn, client_data) | |
1883 | 7095 SmcConn smc_conn UNUSED; |
7096 SmPointer client_data UNUSED; | |
7 | 7097 { |
7098 xsmp_close(); | |
7099 | |
7100 /* quit quickly leaving swapfiles for modified buffers behind */ | |
7101 getout_preserve_modified(0); | |
7102 } | |
7103 | |
7104 | |
7105 /* | |
7106 * Callback to tell us that save-yourself has completed. | |
7107 */ | |
7108 static void | |
7109 xsmp_save_complete(smc_conn, client_data) | |
1883 | 7110 SmcConn smc_conn UNUSED; |
7111 SmPointer client_data UNUSED; | |
7 | 7112 { |
7113 xsmp.save_yourself = False; | |
7114 } | |
7115 | |
7116 | |
7117 /* | |
7118 * Callback to tell us that an instigated shutdown was cancelled | |
7119 * (maybe even by us) | |
7120 */ | |
7121 static void | |
7122 xsmp_shutdown_cancelled(smc_conn, client_data) | |
7123 SmcConn smc_conn; | |
1883 | 7124 SmPointer client_data UNUSED; |
7 | 7125 { |
7126 if (xsmp.save_yourself) | |
7127 SmcSaveYourselfDone(smc_conn, True); | |
7128 xsmp.save_yourself = False; | |
7129 xsmp.shutdown = False; | |
7130 } | |
7131 | |
7132 | |
7133 /* | |
7134 * Callback to tell us that a new ICE connection has been established. | |
7135 */ | |
7136 static void | |
7137 xsmp_ice_connection(iceConn, clientData, opening, watchData) | |
7138 IceConn iceConn; | |
1883 | 7139 IcePointer clientData UNUSED; |
7 | 7140 Bool opening; |
1883 | 7141 IcePointer *watchData UNUSED; |
7 | 7142 { |
7143 /* Intercept creation of ICE connection fd */ | |
7144 if (opening) | |
7145 { | |
7146 xsmp_icefd = IceConnectionNumber(iceConn); | |
7147 IceRemoveConnectionWatch(xsmp_ice_connection, NULL); | |
7148 } | |
7149 } | |
7150 | |
7151 | |
7152 /* Handle any ICE processing that's required; return FAIL if SM lost */ | |
7153 int | |
7154 xsmp_handle_requests() | |
7155 { | |
7156 Bool rep; | |
7157 | |
7158 if (IceProcessMessages(xsmp.iceconn, NULL, &rep) | |
7159 == IceProcessMessagesIOError) | |
7160 { | |
7161 /* Lost ICE */ | |
7162 if (p_verbose > 0) | |
292 | 7163 verb_msg((char_u *)_("XSMP lost ICE connection")); |
7 | 7164 xsmp_close(); |
7165 return FAIL; | |
7166 } | |
7167 else | |
7168 return OK; | |
7169 } | |
7170 | |
7171 static int dummy; | |
7172 | |
7173 /* Set up X Session Management Protocol */ | |
7174 void | |
7175 xsmp_init(void) | |
7176 { | |
7177 char errorstring[80]; | |
7178 SmcCallbacks smcallbacks; | |
7179 #if 0 | |
7180 SmPropValue smname; | |
7181 SmProp smnameprop; | |
7182 SmProp *smprops[1]; | |
7183 #endif | |
7184 | |
7185 if (p_verbose > 0) | |
292 | 7186 verb_msg((char_u *)_("XSMP opening connection")); |
7 | 7187 |
7188 xsmp.save_yourself = xsmp.shutdown = False; | |
7189 | |
7190 /* Set up SM callbacks - must have all, even if they're not used */ | |
7191 smcallbacks.save_yourself.callback = xsmp_handle_save_yourself; | |
7192 smcallbacks.save_yourself.client_data = NULL; | |
7193 smcallbacks.die.callback = xsmp_die; | |
7194 smcallbacks.die.client_data = NULL; | |
7195 smcallbacks.save_complete.callback = xsmp_save_complete; | |
7196 smcallbacks.save_complete.client_data = NULL; | |
7197 smcallbacks.shutdown_cancelled.callback = xsmp_shutdown_cancelled; | |
7198 smcallbacks.shutdown_cancelled.client_data = NULL; | |
7199 | |
7200 /* Set up a watch on ICE connection creations. The "dummy" argument is | |
7201 * apparently required for FreeBSD (we get a BUS error when using NULL). */ | |
7202 if (IceAddConnectionWatch(xsmp_ice_connection, &dummy) == 0) | |
7203 { | |
7204 if (p_verbose > 0) | |
292 | 7205 verb_msg((char_u *)_("XSMP ICE connection watch failed")); |
7 | 7206 return; |
7207 } | |
7208 | |
7209 /* Create an SM connection */ | |
7210 xsmp.smcconn = SmcOpenConnection( | |
7211 NULL, | |
7212 NULL, | |
7213 SmProtoMajor, | |
7214 SmProtoMinor, | |
7215 SmcSaveYourselfProcMask | SmcDieProcMask | |
7216 | SmcSaveCompleteProcMask | SmcShutdownCancelledProcMask, | |
7217 &smcallbacks, | |
7218 NULL, | |
1605 | 7219 &xsmp.clientid, |
7 | 7220 sizeof(errorstring), |
7221 errorstring); | |
7222 if (xsmp.smcconn == NULL) | |
7223 { | |
7224 char errorreport[132]; | |
273 | 7225 |
292 | 7226 if (p_verbose > 0) |
7227 { | |
7228 vim_snprintf(errorreport, sizeof(errorreport), | |
273 | 7229 _("XSMP SmcOpenConnection failed: %s"), errorstring); |
292 | 7230 verb_msg((char_u *)errorreport); |
7231 } | |
7 | 7232 return; |
7233 } | |
7234 xsmp.iceconn = SmcGetIceConnection(xsmp.smcconn); | |
7235 | |
7236 #if 0 | |
7237 /* ID ourselves */ | |
7238 smname.value = "vim"; | |
7239 smname.length = 3; | |
7240 smnameprop.name = "SmProgram"; | |
7241 smnameprop.type = "SmARRAY8"; | |
7242 smnameprop.num_vals = 1; | |
7243 smnameprop.vals = &smname; | |
7244 | |
7245 smprops[0] = &smnameprop; | |
7246 SmcSetProperties(xsmp.smcconn, 1, smprops); | |
7247 #endif | |
7248 } | |
7249 | |
7250 | |
7251 /* Shut down XSMP comms. */ | |
7252 void | |
7253 xsmp_close() | |
7254 { | |
7255 if (xsmp_icefd != -1) | |
7256 { | |
7257 SmcCloseConnection(xsmp.smcconn, 0, NULL); | |
1737 | 7258 if (xsmp.clientid != NULL) |
7259 free(xsmp.clientid); | |
1605 | 7260 xsmp.clientid = NULL; |
7 | 7261 xsmp_icefd = -1; |
7262 } | |
7263 } | |
7264 #endif /* USE_XSMP */ | |
7265 | |
7266 | |
7267 #ifdef EBCDIC | |
7268 /* Translate character to its CTRL- value */ | |
7269 char CtrlTable[] = | |
7270 { | |
7271 /* 00 - 5E */ | |
7272 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7273 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7274 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7275 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7276 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7277 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7278 /* ^ */ 0x1E, | |
7279 /* - */ 0x1F, | |
7280 /* 61 - 6C */ | |
7281 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7282 /* _ */ 0x1F, | |
7283 /* 6E - 80 */ | |
7284 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7285 /* a */ 0x01, | |
7286 /* b */ 0x02, | |
7287 /* c */ 0x03, | |
7288 /* d */ 0x37, | |
7289 /* e */ 0x2D, | |
7290 /* f */ 0x2E, | |
7291 /* g */ 0x2F, | |
7292 /* h */ 0x16, | |
7293 /* i */ 0x05, | |
7294 /* 8A - 90 */ | |
7295 0, 0, 0, 0, 0, 0, 0, | |
7296 /* j */ 0x15, | |
7297 /* k */ 0x0B, | |
7298 /* l */ 0x0C, | |
7299 /* m */ 0x0D, | |
7300 /* n */ 0x0E, | |
7301 /* o */ 0x0F, | |
7302 /* p */ 0x10, | |
7303 /* q */ 0x11, | |
7304 /* r */ 0x12, | |
7305 /* 9A - A1 */ | |
7306 0, 0, 0, 0, 0, 0, 0, 0, | |
7307 /* s */ 0x13, | |
7308 /* t */ 0x3C, | |
7309 /* u */ 0x3D, | |
7310 /* v */ 0x32, | |
7311 /* w */ 0x26, | |
7312 /* x */ 0x18, | |
7313 /* y */ 0x19, | |
7314 /* z */ 0x3F, | |
7315 /* AA - AC */ | |
7316 0, 0, 0, | |
7317 /* [ */ 0x27, | |
7318 /* AE - BC */ | |
7319 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7320 /* ] */ 0x1D, | |
7321 /* BE - C0 */ 0, 0, 0, | |
7322 /* A */ 0x01, | |
7323 /* B */ 0x02, | |
7324 /* C */ 0x03, | |
7325 /* D */ 0x37, | |
7326 /* E */ 0x2D, | |
7327 /* F */ 0x2E, | |
7328 /* G */ 0x2F, | |
7329 /* H */ 0x16, | |
7330 /* I */ 0x05, | |
7331 /* CA - D0 */ 0, 0, 0, 0, 0, 0, 0, | |
7332 /* J */ 0x15, | |
7333 /* K */ 0x0B, | |
7334 /* L */ 0x0C, | |
7335 /* M */ 0x0D, | |
7336 /* N */ 0x0E, | |
7337 /* O */ 0x0F, | |
7338 /* P */ 0x10, | |
7339 /* Q */ 0x11, | |
7340 /* R */ 0x12, | |
7341 /* DA - DF */ 0, 0, 0, 0, 0, 0, | |
7342 /* \ */ 0x1C, | |
7343 /* E1 */ 0, | |
7344 /* S */ 0x13, | |
7345 /* T */ 0x3C, | |
7346 /* U */ 0x3D, | |
7347 /* V */ 0x32, | |
7348 /* W */ 0x26, | |
7349 /* X */ 0x18, | |
7350 /* Y */ 0x19, | |
7351 /* Z */ 0x3F, | |
7352 /* EA - FF*/ 0, 0, 0, 0, 0, 0, | |
7353 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7354 }; | |
7355 | |
7356 char MetaCharTable[]= | |
7357 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
7358 0, 0, 0, 0,'\\', 0,'F', 0,'W','M','N', 0, 0, 0, 0, 0, | |
7359 0, 0, 0, 0,']', 0, 0,'G', 0, 0,'R','O', 0, 0, 0, 0, | |
7360 '@','A','B','C','D','E', 0, 0,'H','I','J','K','L', 0, 0, 0, | |
7361 'P','Q', 0,'S','T','U','V', 0,'X','Y','Z','[', 0, 0,'^', 0 | |
7362 }; | |
7363 | |
7364 | |
7365 /* TODO: Use characters NOT numbers!!! */ | |
7366 char CtrlCharTable[]= | |
7367 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
7368 124,193,194,195, 0,201, 0, 0, 0, 0, 0,210,211,212,213,214, | |
7369 215,216,217,226, 0,209,200, 0,231,232, 0, 0,224,189, 95,109, | |
7370 0, 0, 0, 0, 0, 0,230,173, 0, 0, 0, 0, 0,197,198,199, | |
7371 0, 0,229, 0, 0, 0, 0,196, 0, 0, 0, 0,227,228, 0,233, | |
7372 }; | |
7373 | |
7374 | |
7375 #endif |