Mercurial > vim
annotate src/os_unix.c @ 6673:21719d38d2ff v7.4.661
updated for version 7.4.661
Problem: Using "0 CTRL-D" in Insert mode may have CursorHoldI interfere.
(Gary Johnson)
Solution: Don't store K_CURSORHOLD as the last character. (Christian
Brabandt)
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Fri, 13 Mar 2015 13:24:23 +0100 |
parents | 48111d5fd8a8 |
children | 781104cb0d06 |
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 | |
5788 | 49 #ifdef HAVE_SMACK |
50 # include <attr/xattr.h> | |
51 # include <linux/xattr.h> | |
52 # ifndef SMACK_LABEL_LEN | |
53 # define SMACK_LABEL_LEN 1024 | |
54 # endif | |
55 #endif | |
56 | |
7 | 57 /* |
58 * Use this prototype for select, some include files have a wrong prototype | |
59 */ | |
1076 | 60 #ifndef __TANDEM |
61 # undef select | |
62 # ifdef __BEOS__ | |
63 # define select beos_select | |
64 # endif | |
7 | 65 #endif |
66 | |
1102 | 67 #ifdef __CYGWIN__ |
68 # ifndef WIN32 | |
1657 | 69 # include <cygwin/version.h> |
70 # include <sys/cygwin.h> /* for cygwin_conv_to_posix_path() and/or | |
71 * for cygwin_conv_path() */ | |
4168 | 72 # ifdef FEAT_CYGWIN_WIN32_CLIPBOARD |
73 # define WIN32_LEAN_AND_MEAN | |
74 # include <windows.h> | |
75 # include "winclip.pro" | |
76 # endif | |
1102 | 77 # endif |
78 #endif | |
79 | |
7 | 80 #if defined(HAVE_SELECT) |
81 extern int select __ARGS((int, fd_set *, fd_set *, fd_set *, struct timeval *)); | |
82 #endif | |
83 | |
84 #ifdef FEAT_MOUSE_GPM | |
85 # include <gpm.h> | |
86 /* <linux/keyboard.h> contains defines conflicting with "keymap.h", | |
87 * I just copied relevant defines here. A cleaner solution would be to put gpm | |
88 * code into separate file and include there linux/keyboard.h | |
89 */ | |
90 /* #include <linux/keyboard.h> */ | |
91 # define KG_SHIFT 0 | |
92 # define KG_CTRL 2 | |
93 # define KG_ALT 3 | |
94 # define KG_ALTGR 1 | |
95 # define KG_SHIFTL 4 | |
96 # define KG_SHIFTR 5 | |
97 # define KG_CTRLL 6 | |
98 # define KG_CTRLR 7 | |
99 # define KG_CAPSSHIFT 8 | |
100 | |
101 static void gpm_close __ARGS((void)); | |
102 static int gpm_open __ARGS((void)); | |
103 static int mch_gpm_process __ARGS((void)); | |
104 #endif | |
105 | |
1620 | 106 #ifdef FEAT_SYSMOUSE |
107 # include <sys/consio.h> | |
108 # include <sys/fbio.h> | |
109 | |
110 static int sysmouse_open __ARGS((void)); | |
111 static void sysmouse_close __ARGS((void)); | |
112 static RETSIGTYPE sig_sysmouse __ARGS(SIGPROTOARG); | |
113 #endif | |
114 | |
7 | 115 /* |
116 * end of autoconf section. To be extended... | |
117 */ | |
118 | |
119 /* Are the following #ifdefs still required? And why? Is that for X11? */ | |
120 | |
121 #if defined(ESIX) || defined(M_UNIX) && !defined(SCO) | |
122 # ifdef SIGWINCH | |
123 # undef SIGWINCH | |
124 # endif | |
125 # ifdef TIOCGWINSZ | |
126 # undef TIOCGWINSZ | |
127 # endif | |
128 #endif | |
129 | |
130 #if defined(SIGWINDOW) && !defined(SIGWINCH) /* hpux 9.01 has it */ | |
131 # define SIGWINCH SIGWINDOW | |
132 #endif | |
133 | |
134 #ifdef FEAT_X11 | |
135 # include <X11/Xlib.h> | |
136 # include <X11/Xutil.h> | |
137 # include <X11/Xatom.h> | |
138 # ifdef FEAT_XCLIPBOARD | |
139 # include <X11/Intrinsic.h> | |
140 # include <X11/Shell.h> | |
141 # include <X11/StringDefs.h> | |
142 static Widget xterm_Shell = (Widget)0; | |
4230 | 143 static void clip_update __ARGS((void)); |
7 | 144 static void xterm_update __ARGS((void)); |
145 # endif | |
146 | |
147 # if defined(FEAT_XCLIPBOARD) || defined(FEAT_TITLE) | |
148 Window x11_window = 0; | |
149 # endif | |
150 Display *x11_display = NULL; | |
151 | |
152 # ifdef FEAT_TITLE | |
153 static int get_x11_windis __ARGS((void)); | |
154 static void set_x11_title __ARGS((char_u *)); | |
155 static void set_x11_icon __ARGS((char_u *)); | |
156 # endif | |
157 #endif | |
158 | |
159 #ifdef FEAT_TITLE | |
160 static int get_x11_title __ARGS((int)); | |
161 static int get_x11_icon __ARGS((int)); | |
162 | |
163 static char_u *oldtitle = NULL; | |
164 static int did_set_title = FALSE; | |
165 static char_u *oldicon = NULL; | |
166 static int did_set_icon = FALSE; | |
167 #endif | |
168 | |
169 static void may_core_dump __ARGS((void)); | |
170 | |
3048 | 171 #ifdef HAVE_UNION_WAIT |
172 typedef union wait waitstatus; | |
173 #else | |
174 typedef int waitstatus; | |
175 #endif | |
3062 | 176 static pid_t wait4pid __ARGS((pid_t, waitstatus *)); |
3048 | 177 |
7 | 178 static int WaitForChar __ARGS((long)); |
5541 | 179 #if defined(__BEOS__) || defined(VMS) |
7 | 180 int RealWaitForChar __ARGS((int, long, int *)); |
181 #else | |
182 static int RealWaitForChar __ARGS((int, long, int *)); | |
183 #endif | |
184 | |
185 #ifdef FEAT_XCLIPBOARD | |
186 static int do_xterm_trace __ARGS((void)); | |
331 | 187 # define XT_TRACE_DELAY 50 /* delay for xterm tracing */ |
7 | 188 #endif |
189 | |
190 static void handle_resize __ARGS((void)); | |
191 | |
192 #if defined(SIGWINCH) | |
193 static RETSIGTYPE sig_winch __ARGS(SIGPROTOARG); | |
194 #endif | |
195 #if defined(SIGINT) | |
196 static RETSIGTYPE catch_sigint __ARGS(SIGPROTOARG); | |
197 #endif | |
198 #if defined(SIGPWR) | |
199 static RETSIGTYPE catch_sigpwr __ARGS(SIGPROTOARG); | |
200 #endif | |
201 #if defined(SIGALRM) && defined(FEAT_X11) \ | |
202 && defined(FEAT_TITLE) && !defined(FEAT_GUI_GTK) | |
203 # define SET_SIG_ALARM | |
204 static RETSIGTYPE sig_alarm __ARGS(SIGPROTOARG); | |
1832 | 205 /* volatile because it is used in signal handler sig_alarm(). */ |
206 static volatile int sig_alarm_called; | |
7 | 207 #endif |
208 static RETSIGTYPE deathtrap __ARGS(SIGPROTOARG); | |
209 | |
167 | 210 static void catch_int_signal __ARGS((void)); |
7 | 211 static void set_signals __ARGS((void)); |
212 static void catch_signals __ARGS((RETSIGTYPE (*func_deadly)(), RETSIGTYPE (*func_other)())); | |
213 #ifndef __EMX__ | |
214 static int have_wildcard __ARGS((int, char_u **)); | |
215 static int have_dollars __ARGS((int, char_u **)); | |
216 #endif | |
217 | |
218 #ifndef __EMX__ | |
219 static int save_patterns __ARGS((int num_pat, char_u **pat, int *num_file, char_u ***file)); | |
220 #endif | |
221 | |
222 #ifndef SIG_ERR | |
1879 | 223 # define SIG_ERR ((RETSIGTYPE (*)())-1) |
7 | 224 #endif |
225 | |
1832 | 226 /* volatile because it is used in signal handler sig_winch(). */ |
227 static volatile int do_resize = FALSE; | |
7 | 228 #ifndef __EMX__ |
229 static char_u *extra_shell_arg = NULL; | |
230 static int show_shell_mess = TRUE; | |
231 #endif | |
1832 | 232 /* volatile because it is used in signal handler deathtrap(). */ |
233 static volatile int deadly_signal = 0; /* The signal we caught */ | |
234 /* volatile because it is used in signal handler deathtrap(). */ | |
235 static volatile int in_mch_delay = FALSE; /* sleeping in mch_delay() */ | |
7 | 236 |
237 static int curr_tmode = TMODE_COOK; /* contains current terminal mode */ | |
238 | |
239 #ifdef USE_XSMP | |
240 typedef struct | |
241 { | |
242 SmcConn smcconn; /* The SM connection ID */ | |
243 IceConn iceconn; /* The ICE connection ID */ | |
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244 char *clientid; /* The client ID for the current smc session */ |
7 | 245 Bool save_yourself; /* If we're in the middle of a save_yourself */ |
246 Bool shutdown; /* If we're in shutdown mode */ | |
247 } xsmp_config_T; | |
248 | |
249 static xsmp_config_T xsmp; | |
250 #endif | |
251 | |
252 #ifdef SYS_SIGLIST_DECLARED | |
253 /* | |
254 * I have seen | |
255 * extern char *_sys_siglist[NSIG]; | |
256 * on Irix, Linux, NetBSD and Solaris. It contains a nice list of strings | |
257 * that describe the signals. That is nearly what we want here. But | |
258 * autoconf does only check for sys_siglist (without the underscore), I | |
259 * do not want to change everything today.... jw. | |
260 * This is why AC_DECL_SYS_SIGLIST is commented out in configure.in | |
261 */ | |
262 #endif | |
263 | |
264 static struct signalinfo | |
265 { | |
266 int sig; /* Signal number, eg. SIGSEGV etc */ | |
267 char *name; /* Signal name (not char_u!). */ | |
268 char deadly; /* Catch as a deadly signal? */ | |
269 } signal_info[] = | |
270 { | |
271 #ifdef SIGHUP | |
272 {SIGHUP, "HUP", TRUE}, | |
273 #endif | |
274 #ifdef SIGQUIT | |
275 {SIGQUIT, "QUIT", TRUE}, | |
276 #endif | |
277 #ifdef SIGILL | |
278 {SIGILL, "ILL", TRUE}, | |
279 #endif | |
280 #ifdef SIGTRAP | |
281 {SIGTRAP, "TRAP", TRUE}, | |
282 #endif | |
283 #ifdef SIGABRT | |
284 {SIGABRT, "ABRT", TRUE}, | |
285 #endif | |
286 #ifdef SIGEMT | |
287 {SIGEMT, "EMT", TRUE}, | |
288 #endif | |
289 #ifdef SIGFPE | |
290 {SIGFPE, "FPE", TRUE}, | |
291 #endif | |
292 #ifdef SIGBUS | |
293 {SIGBUS, "BUS", TRUE}, | |
294 #endif | |
4074 | 295 #if defined(SIGSEGV) && !defined(FEAT_MZSCHEME) |
296 /* MzScheme uses SEGV in its garbage collector */ | |
7 | 297 {SIGSEGV, "SEGV", TRUE}, |
298 #endif | |
299 #ifdef SIGSYS | |
300 {SIGSYS, "SYS", TRUE}, | |
301 #endif | |
302 #ifdef SIGALRM | |
303 {SIGALRM, "ALRM", FALSE}, /* Perl's alarm() can trigger it */ | |
304 #endif | |
305 #ifdef SIGTERM | |
306 {SIGTERM, "TERM", TRUE}, | |
307 #endif | |
2701 | 308 #if defined(SIGVTALRM) && !defined(FEAT_RUBY) |
7 | 309 {SIGVTALRM, "VTALRM", TRUE}, |
310 #endif | |
1560 | 311 #if defined(SIGPROF) && !defined(FEAT_MZSCHEME) && !defined(WE_ARE_PROFILING) |
312 /* MzScheme uses SIGPROF for its own needs; On Linux with profiling | |
313 * this makes Vim exit. WE_ARE_PROFILING is defined in Makefile. */ | |
7 | 314 {SIGPROF, "PROF", TRUE}, |
315 #endif | |
316 #ifdef SIGXCPU | |
317 {SIGXCPU, "XCPU", TRUE}, | |
318 #endif | |
319 #ifdef SIGXFSZ | |
320 {SIGXFSZ, "XFSZ", TRUE}, | |
321 #endif | |
322 #ifdef SIGUSR1 | |
323 {SIGUSR1, "USR1", TRUE}, | |
324 #endif | |
1620 | 325 #if defined(SIGUSR2) && !defined(FEAT_SYSMOUSE) |
326 /* Used for sysmouse handling */ | |
7 | 327 {SIGUSR2, "USR2", TRUE}, |
328 #endif | |
329 #ifdef SIGINT | |
330 {SIGINT, "INT", FALSE}, | |
331 #endif | |
332 #ifdef SIGWINCH | |
333 {SIGWINCH, "WINCH", FALSE}, | |
334 #endif | |
335 #ifdef SIGTSTP | |
336 {SIGTSTP, "TSTP", FALSE}, | |
337 #endif | |
338 #ifdef SIGPIPE | |
339 {SIGPIPE, "PIPE", FALSE}, | |
340 #endif | |
341 {-1, "Unknown!", FALSE} | |
342 }; | |
343 | |
1935 | 344 int |
345 mch_chdir(path) | |
346 char *path; | |
347 { | |
348 if (p_verbose >= 5) | |
349 { | |
350 verbose_enter(); | |
351 smsg((char_u *)"chdir(%s)", path); | |
352 verbose_leave(); | |
353 } | |
354 # ifdef VMS | |
355 return chdir(vms_fixfilename(path)); | |
356 # else | |
357 return chdir(path); | |
358 # endif | |
359 } | |
360 | |
1757 | 361 /* |
362 * Write s[len] to the screen. | |
363 */ | |
7 | 364 void |
365 mch_write(s, len) | |
366 char_u *s; | |
367 int len; | |
368 { | |
1757 | 369 ignored = (int)write(1, (char *)s, len); |
7 | 370 if (p_wd) /* Unix is too fast, slow down a bit more */ |
371 RealWaitForChar(read_cmd_fd, p_wd, NULL); | |
372 } | |
373 | |
374 /* | |
1450 | 375 * mch_inchar(): low level input function. |
7 | 376 * Get a characters from the keyboard. |
377 * Return the number of characters that are available. | |
378 * If wtime == 0 do not wait for characters. | |
379 * If wtime == n wait a short time for characters. | |
380 * If wtime == -1 wait forever for characters. | |
381 */ | |
382 int | |
383 mch_inchar(buf, maxlen, wtime, tb_change_cnt) | |
384 char_u *buf; | |
385 int maxlen; | |
386 long wtime; /* don't use "time", MIPS cannot handle it */ | |
387 int tb_change_cnt; | |
388 { | |
389 int len; | |
390 | |
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391 #ifdef FEAT_NETBEANS_INTG |
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392 /* Process the queued netbeans messages. */ |
2210 | 393 netbeans_parse_messages(); |
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394 #endif |
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395 |
7 | 396 /* Check if window changed size while we were busy, perhaps the ":set |
397 * columns=99" command was used. */ | |
398 while (do_resize) | |
399 handle_resize(); | |
400 | |
401 if (wtime >= 0) | |
402 { | |
403 while (WaitForChar(wtime) == 0) /* no character available */ | |
404 { | |
405 if (!do_resize) /* return if not interrupted by resize */ | |
406 return 0; | |
407 handle_resize(); | |
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changeset
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408 #ifdef FEAT_NETBEANS_INTG |
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409 /* Process the queued netbeans messages. */ |
2311
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410 netbeans_parse_messages(); |
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Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
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411 #endif |
7 | 412 } |
413 } | |
414 else /* wtime == -1 */ | |
415 { | |
416 /* | |
417 * If there is no character available within 'updatetime' seconds | |
216 | 418 * flush all the swap files to disk. |
7 | 419 * Also done when interrupted by SIGWINCH. |
420 */ | |
421 if (WaitForChar(p_ut) == 0) | |
422 { | |
423 #ifdef FEAT_AUTOCMD | |
609 | 424 if (trigger_cursorhold() && maxlen >= 3 |
425 && !typebuf_changed(tb_change_cnt)) | |
7 | 426 { |
216 | 427 buf[0] = K_SPECIAL; |
428 buf[1] = KS_EXTRA; | |
429 buf[2] = (int)KE_CURSORHOLD; | |
430 return 3; | |
7 | 431 } |
216 | 432 #endif |
369 | 433 before_blocking(); |
7 | 434 } |
435 } | |
436 | |
437 for (;;) /* repeat until we got a character */ | |
438 { | |
439 while (do_resize) /* window changed size */ | |
440 handle_resize(); | |
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Bram Moolenaar <bram@vim.org>
parents:
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changeset
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441 |
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parents:
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changeset
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442 #ifdef FEAT_NETBEANS_INTG |
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Bram Moolenaar <bram@vim.org>
parents:
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changeset
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443 /* Process the queued netbeans messages. */ |
2311
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Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2277
diff
changeset
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444 netbeans_parse_messages(); |
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parents:
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changeset
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445 #endif |
7 | 446 /* |
2436 | 447 * We want to be interrupted by the winch signal |
448 * or by an event on the monitored file descriptors. | |
7 | 449 */ |
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450 if (WaitForChar(-1L) == 0) |
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451 { |
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452 if (do_resize) /* interrupted by SIGWINCH signal */ |
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453 handle_resize(); |
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454 return 0; |
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455 } |
7 | 456 |
457 /* If input was put directly in typeahead buffer bail out here. */ | |
458 if (typebuf_changed(tb_change_cnt)) | |
459 return 0; | |
460 | |
461 /* | |
462 * For some terminals we only get one character at a time. | |
463 * We want the get all available characters, so we could keep on | |
464 * trying until none is available | |
465 * For some other terminals this is quite slow, that's why we don't do | |
466 * it. | |
467 */ | |
468 len = read_from_input_buf(buf, (long)maxlen); | |
469 if (len > 0) | |
470 { | |
471 #ifdef OS2 | |
472 int i; | |
473 | |
474 for (i = 0; i < len; i++) | |
475 if (buf[i] == 0) | |
476 buf[i] = K_NUL; | |
477 #endif | |
478 return len; | |
479 } | |
480 } | |
481 } | |
482 | |
483 static void | |
484 handle_resize() | |
485 { | |
486 do_resize = FALSE; | |
487 shell_resized(); | |
488 } | |
489 | |
490 /* | |
491 * return non-zero if a character is available | |
492 */ | |
493 int | |
494 mch_char_avail() | |
495 { | |
496 return WaitForChar(0L); | |
497 } | |
498 | |
499 #if defined(HAVE_TOTAL_MEM) || defined(PROTO) | |
500 # ifdef HAVE_SYS_RESOURCE_H | |
1879 | 501 # include <sys/resource.h> |
7 | 502 # endif |
503 # if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_SYSCTL) | |
504 # include <sys/sysctl.h> | |
505 # endif | |
506 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO) | |
507 # include <sys/sysinfo.h> | |
508 # endif | |
509 | |
510 /* | |
1110 | 511 * Return total amount of memory available in Kbyte. |
512 * Doesn't change when memory has been allocated. | |
7 | 513 */ |
514 long_u | |
515 mch_total_mem(special) | |
1877 | 516 int special UNUSED; |
7 | 517 { |
518 # ifdef __EMX__ | |
1110 | 519 return ulimit(3, 0L) >> 10; /* always 32MB? */ |
7 | 520 # else |
521 long_u mem = 0; | |
1110 | 522 long_u shiftright = 10; /* how much to shift "mem" right for Kbyte */ |
7 | 523 |
524 # ifdef HAVE_SYSCTL | |
525 int mib[2], physmem; | |
526 size_t len; | |
527 | |
528 /* BSD way of getting the amount of RAM available. */ | |
529 mib[0] = CTL_HW; | |
530 mib[1] = HW_USERMEM; | |
531 len = sizeof(physmem); | |
532 if (sysctl(mib, 2, &physmem, &len, NULL, 0) == 0) | |
533 mem = (long_u)physmem; | |
534 # endif | |
535 | |
536 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO) | |
537 if (mem == 0) | |
538 { | |
539 struct sysinfo sinfo; | |
540 | |
541 /* Linux way of getting amount of RAM available */ | |
542 if (sysinfo(&sinfo) == 0) | |
1110 | 543 { |
544 # ifdef HAVE_SYSINFO_MEM_UNIT | |
545 /* avoid overflow as much as possible */ | |
546 while (shiftright > 0 && (sinfo.mem_unit & 1) == 0) | |
547 { | |
548 sinfo.mem_unit = sinfo.mem_unit >> 1; | |
549 --shiftright; | |
550 } | |
551 mem = sinfo.totalram * sinfo.mem_unit; | |
552 # else | |
7 | 553 mem = sinfo.totalram; |
1110 | 554 # endif |
555 } | |
7 | 556 } |
557 # endif | |
558 | |
559 # ifdef HAVE_SYSCONF | |
560 if (mem == 0) | |
561 { | |
562 long pagesize, pagecount; | |
563 | |
564 /* Solaris way of getting amount of RAM available */ | |
565 pagesize = sysconf(_SC_PAGESIZE); | |
566 pagecount = sysconf(_SC_PHYS_PAGES); | |
567 if (pagesize > 0 && pagecount > 0) | |
1110 | 568 { |
569 /* avoid overflow as much as possible */ | |
570 while (shiftright > 0 && (pagesize & 1) == 0) | |
571 { | |
1204 | 572 pagesize = (long_u)pagesize >> 1; |
1110 | 573 --shiftright; |
574 } | |
7 | 575 mem = (long_u)pagesize * pagecount; |
1110 | 576 } |
7 | 577 } |
578 # endif | |
579 | |
580 /* Return the minimum of the physical memory and the user limit, because | |
581 * using more than the user limit may cause Vim to be terminated. */ | |
582 # if defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT) | |
583 { | |
584 struct rlimit rlp; | |
585 | |
586 if (getrlimit(RLIMIT_DATA, &rlp) == 0 | |
587 && rlp.rlim_cur < ((rlim_t)1 << (sizeof(long_u) * 8 - 1)) | |
588 # ifdef RLIM_INFINITY | |
589 && rlp.rlim_cur != RLIM_INFINITY | |
590 # endif | |
1110 | 591 && ((long_u)rlp.rlim_cur >> 10) < (mem >> shiftright) |
7 | 592 ) |
1110 | 593 { |
594 mem = (long_u)rlp.rlim_cur; | |
595 shiftright = 10; | |
596 } | |
7 | 597 } |
598 # endif | |
599 | |
600 if (mem > 0) | |
1110 | 601 return mem >> shiftright; |
602 return (long_u)0x1fffff; | |
7 | 603 # endif |
604 } | |
605 #endif | |
606 | |
607 void | |
608 mch_delay(msec, ignoreinput) | |
609 long msec; | |
610 int ignoreinput; | |
611 { | |
612 int old_tmode; | |
14 | 613 #ifdef FEAT_MZSCHEME |
614 long total = msec; /* remember original value */ | |
615 #endif | |
7 | 616 |
617 if (ignoreinput) | |
618 { | |
619 /* Go to cooked mode without echo, to allow SIGINT interrupting us | |
1530 | 620 * here. But we don't want QUIT to kill us (CTRL-\ used in a |
621 * shell may produce SIGQUIT). */ | |
622 in_mch_delay = TRUE; | |
7 | 623 old_tmode = curr_tmode; |
624 if (curr_tmode == TMODE_RAW) | |
625 settmode(TMODE_SLEEP); | |
626 | |
627 /* | |
628 * Everybody sleeps in a different way... | |
629 * Prefer nanosleep(), some versions of usleep() can only sleep up to | |
630 * one second. | |
631 */ | |
14 | 632 #ifdef FEAT_MZSCHEME |
633 do | |
634 { | |
635 /* if total is large enough, wait by portions in p_mzq */ | |
636 if (total > p_mzq) | |
637 msec = p_mzq; | |
638 else | |
639 msec = total; | |
640 total -= msec; | |
641 #endif | |
7 | 642 #ifdef HAVE_NANOSLEEP |
643 { | |
644 struct timespec ts; | |
645 | |
646 ts.tv_sec = msec / 1000; | |
647 ts.tv_nsec = (msec % 1000) * 1000000; | |
648 (void)nanosleep(&ts, NULL); | |
649 } | |
650 #else | |
651 # ifdef HAVE_USLEEP | |
652 while (msec >= 1000) | |
653 { | |
654 usleep((unsigned int)(999 * 1000)); | |
655 msec -= 999; | |
656 } | |
657 usleep((unsigned int)(msec * 1000)); | |
658 # else | |
659 # ifndef HAVE_SELECT | |
660 poll(NULL, 0, (int)msec); | |
661 # else | |
662 # ifdef __EMX__ | |
663 _sleep2(msec); | |
664 # else | |
665 { | |
666 struct timeval tv; | |
667 | |
668 tv.tv_sec = msec / 1000; | |
669 tv.tv_usec = (msec % 1000) * 1000; | |
670 /* | |
671 * NOTE: Solaris 2.6 has a bug that makes select() hang here. Get | |
672 * a patch from Sun to fix this. Reported by Gunnar Pedersen. | |
673 */ | |
674 select(0, NULL, NULL, NULL, &tv); | |
675 } | |
676 # endif /* __EMX__ */ | |
677 # endif /* HAVE_SELECT */ | |
678 # endif /* HAVE_NANOSLEEP */ | |
679 #endif /* HAVE_USLEEP */ | |
14 | 680 #ifdef FEAT_MZSCHEME |
681 } | |
682 while (total > 0); | |
683 #endif | |
7 | 684 |
685 settmode(old_tmode); | |
1530 | 686 in_mch_delay = FALSE; |
7 | 687 } |
688 else | |
689 WaitForChar(msec); | |
690 } | |
691 | |
180 | 692 #if defined(HAVE_STACK_LIMIT) \ |
7 | 693 || (!defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGSTACK)) |
694 # define HAVE_CHECK_STACK_GROWTH | |
695 /* | |
696 * Support for checking for an almost-out-of-stack-space situation. | |
697 */ | |
698 | |
699 /* | |
700 * Return a pointer to an item on the stack. Used to find out if the stack | |
701 * grows up or down. | |
702 */ | |
703 static void check_stack_growth __ARGS((char *p)); | |
704 static int stack_grows_downwards; | |
705 | |
706 /* | |
707 * Find out if the stack grows upwards or downwards. | |
708 * "p" points to a variable on the stack of the caller. | |
709 */ | |
710 static void | |
711 check_stack_growth(p) | |
712 char *p; | |
713 { | |
714 int i; | |
715 | |
716 stack_grows_downwards = (p > (char *)&i); | |
717 } | |
718 #endif | |
719 | |
180 | 720 #if defined(HAVE_STACK_LIMIT) || defined(PROTO) |
7 | 721 static char *stack_limit = NULL; |
722 | |
723 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H) | |
724 # include <pthread.h> | |
725 # include <pthread_np.h> | |
726 #endif | |
727 | |
728 /* | |
729 * Find out until how var the stack can grow without getting into trouble. | |
730 * Called when starting up and when switching to the signal stack in | |
731 * deathtrap(). | |
732 */ | |
733 static void | |
734 get_stack_limit() | |
735 { | |
736 struct rlimit rlp; | |
737 int i; | |
738 long lim; | |
739 | |
740 /* Set the stack limit to 15/16 of the allowable size. Skip this when the | |
741 * limit doesn't fit in a long (rlim_cur might be "long long"). */ | |
742 if (getrlimit(RLIMIT_STACK, &rlp) == 0 | |
743 && rlp.rlim_cur < ((rlim_t)1 << (sizeof(long_u) * 8 - 1)) | |
744 # ifdef RLIM_INFINITY | |
745 && rlp.rlim_cur != RLIM_INFINITY | |
746 # endif | |
747 ) | |
748 { | |
749 lim = (long)rlp.rlim_cur; | |
750 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H) | |
751 { | |
752 pthread_attr_t attr; | |
753 size_t size; | |
754 | |
755 /* On FreeBSD the initial thread always has a fixed stack size, no | |
756 * matter what the limits are set to. Normally it's 1 Mbyte. */ | |
757 pthread_attr_init(&attr); | |
758 if (pthread_attr_get_np(pthread_self(), &attr) == 0) | |
759 { | |
760 pthread_attr_getstacksize(&attr, &size); | |
761 if (lim > (long)size) | |
762 lim = (long)size; | |
763 } | |
764 pthread_attr_destroy(&attr); | |
765 } | |
766 #endif | |
767 if (stack_grows_downwards) | |
768 { | |
769 stack_limit = (char *)((long)&i - (lim / 16L * 15L)); | |
770 if (stack_limit >= (char *)&i) | |
771 /* overflow, set to 1/16 of current stack position */ | |
772 stack_limit = (char *)((long)&i / 16L); | |
773 } | |
774 else | |
775 { | |
776 stack_limit = (char *)((long)&i + (lim / 16L * 15L)); | |
777 if (stack_limit <= (char *)&i) | |
778 stack_limit = NULL; /* overflow */ | |
779 } | |
780 } | |
781 } | |
782 | |
783 /* | |
784 * Return FAIL when running out of stack space. | |
785 * "p" must point to any variable local to the caller that's on the stack. | |
786 */ | |
787 int | |
788 mch_stackcheck(p) | |
789 char *p; | |
790 { | |
791 if (stack_limit != NULL) | |
792 { | |
793 if (stack_grows_downwards) | |
794 { | |
795 if (p < stack_limit) | |
796 return FAIL; | |
797 } | |
798 else if (p > stack_limit) | |
799 return FAIL; | |
800 } | |
801 return OK; | |
802 } | |
803 #endif | |
804 | |
805 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
806 /* | |
807 * Support for using the signal stack. | |
808 * This helps when we run out of stack space, which causes a SIGSEGV. The | |
809 * signal handler then must run on another stack, since the normal stack is | |
810 * completely full. | |
811 */ | |
812 | |
5421 | 813 #if defined(HAVE_AVAILABILITYMACROS_H) |
5411 | 814 # include <AvailabilityMacros.h> |
815 #endif | |
816 | |
7 | 817 #ifndef SIGSTKSZ |
818 # define SIGSTKSZ 8000 /* just a guess of how much stack is needed... */ | |
819 #endif | |
820 | |
821 # ifdef HAVE_SIGALTSTACK | |
822 static stack_t sigstk; /* for sigaltstack() */ | |
823 # else | |
824 static struct sigstack sigstk; /* for sigstack() */ | |
825 # endif | |
826 | |
827 static void init_signal_stack __ARGS((void)); | |
828 static char *signal_stack; | |
829 | |
830 static void | |
831 init_signal_stack() | |
832 { | |
833 if (signal_stack != NULL) | |
834 { | |
835 # ifdef HAVE_SIGALTSTACK | |
1375 | 836 # if defined(__APPLE__) && (!defined(MAC_OS_X_VERSION_MAX_ALLOWED) \ |
837 || MAC_OS_X_VERSION_MAX_ALLOWED <= 1040) | |
7 | 838 /* missing prototype. Adding it to osdef?.h.in doesn't work, because |
839 * "struct sigaltstack" needs to be declared. */ | |
840 extern int sigaltstack __ARGS((const struct sigaltstack *ss, struct sigaltstack *oss)); | |
841 # endif | |
842 | |
843 # ifdef HAVE_SS_BASE | |
844 sigstk.ss_base = signal_stack; | |
845 # else | |
846 sigstk.ss_sp = signal_stack; | |
847 # endif | |
848 sigstk.ss_size = SIGSTKSZ; | |
849 sigstk.ss_flags = 0; | |
850 (void)sigaltstack(&sigstk, NULL); | |
851 # else | |
852 sigstk.ss_sp = signal_stack; | |
853 if (stack_grows_downwards) | |
854 sigstk.ss_sp += SIGSTKSZ - 1; | |
855 sigstk.ss_onstack = 0; | |
856 (void)sigstack(&sigstk, NULL); | |
857 # endif | |
858 } | |
859 } | |
860 #endif | |
861 | |
862 /* | |
1832 | 863 * We need correct prototypes for a signal function, otherwise mean compilers |
7 | 864 * will barf when the second argument to signal() is ``wrong''. |
865 * Let me try it with a few tricky defines from my own osdef.h (jw). | |
866 */ | |
867 #if defined(SIGWINCH) | |
868 static RETSIGTYPE | |
869 sig_winch SIGDEFARG(sigarg) | |
870 { | |
871 /* this is not required on all systems, but it doesn't hurt anybody */ | |
872 signal(SIGWINCH, (RETSIGTYPE (*)())sig_winch); | |
873 do_resize = TRUE; | |
874 SIGRETURN; | |
875 } | |
876 #endif | |
877 | |
878 #if defined(SIGINT) | |
879 static RETSIGTYPE | |
880 catch_sigint SIGDEFARG(sigarg) | |
881 { | |
882 /* this is not required on all systems, but it doesn't hurt anybody */ | |
883 signal(SIGINT, (RETSIGTYPE (*)())catch_sigint); | |
884 got_int = TRUE; | |
885 SIGRETURN; | |
886 } | |
887 #endif | |
888 | |
889 #if defined(SIGPWR) | |
890 static RETSIGTYPE | |
891 catch_sigpwr SIGDEFARG(sigarg) | |
892 { | |
37 | 893 /* this is not required on all systems, but it doesn't hurt anybody */ |
894 signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr); | |
7 | 895 /* |
896 * I'm not sure we get the SIGPWR signal when the system is really going | |
897 * down or when the batteries are almost empty. Just preserve the swap | |
898 * files and don't exit, that can't do any harm. | |
899 */ | |
900 ml_sync_all(FALSE, FALSE); | |
901 SIGRETURN; | |
902 } | |
903 #endif | |
904 | |
905 #ifdef SET_SIG_ALARM | |
906 /* | |
907 * signal function for alarm(). | |
908 */ | |
909 static RETSIGTYPE | |
910 sig_alarm SIGDEFARG(sigarg) | |
911 { | |
912 /* doesn't do anything, just to break a system call */ | |
913 sig_alarm_called = TRUE; | |
914 SIGRETURN; | |
915 } | |
916 #endif | |
917 | |
188 | 918 #if (defined(HAVE_SETJMP_H) \ |
919 && ((defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) \ | |
920 || defined(FEAT_LIBCALL))) \ | |
921 || defined(PROTO) | |
7 | 922 /* |
923 * A simplistic version of setjmp() that only allows one level of using. | |
924 * Don't call twice before calling mch_endjmp()!. | |
925 * Usage: | |
926 * mch_startjmp(); | |
927 * if (SETJMP(lc_jump_env) != 0) | |
928 * { | |
929 * mch_didjmp(); | |
930 * EMSG("crash!"); | |
931 * } | |
932 * else | |
933 * { | |
934 * do_the_work; | |
935 * mch_endjmp(); | |
936 * } | |
937 * Note: Can't move SETJMP() here, because a function calling setjmp() must | |
938 * not return before the saved environment is used. | |
939 * Returns OK for normal return, FAIL when the protected code caused a | |
940 * problem and LONGJMP() was used. | |
941 */ | |
942 void | |
943 mch_startjmp() | |
944 { | |
945 #ifdef SIGHASARG | |
946 lc_signal = 0; | |
947 #endif | |
948 lc_active = TRUE; | |
949 } | |
950 | |
951 void | |
952 mch_endjmp() | |
953 { | |
954 lc_active = FALSE; | |
955 } | |
956 | |
957 void | |
958 mch_didjmp() | |
959 { | |
960 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
961 /* On FreeBSD the signal stack has to be reset after using siglongjmp(), | |
962 * otherwise catching the signal only works once. */ | |
963 init_signal_stack(); | |
964 # endif | |
965 } | |
966 #endif | |
967 | |
968 /* | |
969 * This function handles deadly signals. | |
5338 | 970 * It tries to preserve any swap files and exit properly. |
7 | 971 * (partly from Elvis). |
5338 | 972 * NOTE: Avoid unsafe functions, such as allocating memory, they can result in |
973 * a deadlock. | |
7 | 974 */ |
975 static RETSIGTYPE | |
976 deathtrap SIGDEFARG(sigarg) | |
977 { | |
978 static int entered = 0; /* count the number of times we got here. | |
979 Note: when memory has been corrupted | |
980 this may get an arbitrary value! */ | |
981 #ifdef SIGHASARG | |
982 int i; | |
983 #endif | |
984 | |
985 #if defined(HAVE_SETJMP_H) | |
986 /* | |
987 * Catch a crash in protected code. | |
988 * Restores the environment saved in lc_jump_env, which looks like | |
989 * SETJMP() returns 1. | |
990 */ | |
991 if (lc_active) | |
992 { | |
993 # if defined(SIGHASARG) | |
994 lc_signal = sigarg; | |
995 # endif | |
996 lc_active = FALSE; /* don't jump again */ | |
997 LONGJMP(lc_jump_env, 1); | |
998 /* NOTREACHED */ | |
999 } | |
1000 #endif | |
1001 | |
36 | 1002 #ifdef SIGHASARG |
1530 | 1003 # ifdef SIGQUIT |
1004 /* While in mch_delay() we go to cooked mode to allow a CTRL-C to | |
1005 * interrupt us. But in cooked mode we may also get SIGQUIT, e.g., when | |
1006 * pressing CTRL-\, but we don't want Vim to exit then. */ | |
1007 if (in_mch_delay && sigarg == SIGQUIT) | |
1008 SIGRETURN; | |
1009 # endif | |
1010 | |
37 | 1011 /* When SIGHUP, SIGQUIT, etc. are blocked: postpone the effect and return |
1012 * here. This avoids that a non-reentrant function is interrupted, e.g., | |
1013 * free(). Calling free() again may then cause a crash. */ | |
1014 if (entered == 0 | |
1015 && (0 | |
1016 # ifdef SIGHUP | |
1017 || sigarg == SIGHUP | |
1018 # endif | |
1019 # ifdef SIGQUIT | |
1020 || sigarg == SIGQUIT | |
1021 # endif | |
1022 # ifdef SIGTERM | |
1023 || sigarg == SIGTERM | |
1024 # endif | |
1025 # ifdef SIGPWR | |
1026 || sigarg == SIGPWR | |
1027 # endif | |
1028 # ifdef SIGUSR1 | |
1029 || sigarg == SIGUSR1 | |
1030 # endif | |
1031 # ifdef SIGUSR2 | |
1032 || sigarg == SIGUSR2 | |
1033 # endif | |
1034 ) | |
413 | 1035 && !vim_handle_signal(sigarg)) |
36 | 1036 SIGRETURN; |
1037 #endif | |
1038 | |
7 | 1039 /* Remember how often we have been called. */ |
1040 ++entered; | |
1041 | |
1042 #ifdef FEAT_EVAL | |
1043 /* Set the v:dying variable. */ | |
1044 set_vim_var_nr(VV_DYING, (long)entered); | |
1045 #endif | |
1046 | |
180 | 1047 #ifdef HAVE_STACK_LIMIT |
7 | 1048 /* Since we are now using the signal stack, need to reset the stack |
1049 * limit. Otherwise using a regexp will fail. */ | |
1050 get_stack_limit(); | |
1051 #endif | |
1052 | |
758 | 1053 #if 0 |
1054 /* This is for opening gdb the moment Vim crashes. | |
1055 * You need to manually adjust the file name and Vim executable name. | |
1056 * Suggested by SungHyun Nam. */ | |
1057 { | |
1058 # define VI_GDB_FILE "/tmp/vimgdb" | |
1059 # define VIM_NAME "/usr/bin/vim" | |
1060 FILE *fp = fopen(VI_GDB_FILE, "w"); | |
1061 if (fp) | |
1062 { | |
1063 fprintf(fp, | |
1064 "file %s\n" | |
1065 "attach %d\n" | |
1066 "set height 1000\n" | |
1067 "bt full\n" | |
1068 , VIM_NAME, getpid()); | |
1069 fclose(fp); | |
1070 system("xterm -e gdb -x "VI_GDB_FILE); | |
1071 unlink(VI_GDB_FILE); | |
1072 } | |
1073 } | |
1074 #endif | |
1075 | |
7 | 1076 #ifdef SIGHASARG |
1077 /* try to find the name of this signal */ | |
1078 for (i = 0; signal_info[i].sig != -1; i++) | |
1079 if (sigarg == signal_info[i].sig) | |
1080 break; | |
1081 deadly_signal = sigarg; | |
1082 #endif | |
1083 | |
1084 full_screen = FALSE; /* don't write message to the GUI, it might be | |
1085 * part of the problem... */ | |
1086 /* | |
1087 * If something goes wrong after entering here, we may get here again. | |
1088 * When this happens, give a message and try to exit nicely (resetting the | |
1089 * terminal mode, etc.) | |
1090 * When this happens twice, just exit, don't even try to give a message, | |
1091 * stack may be corrupt or something weird. | |
1092 * When this still happens again (or memory was corrupted in such a way | |
1093 * that "entered" was clobbered) use _exit(), don't try freeing resources. | |
1094 */ | |
1095 if (entered >= 3) | |
1096 { | |
1097 reset_signals(); /* don't catch any signals anymore */ | |
1098 may_core_dump(); | |
1099 if (entered >= 4) | |
1100 _exit(8); | |
1101 exit(7); | |
1102 } | |
1103 if (entered == 2) | |
1104 { | |
5338 | 1105 /* No translation, it may call malloc(). */ |
1106 OUT_STR("Vim: Double signal, exiting\n"); | |
7 | 1107 out_flush(); |
1108 getout(1); | |
1109 } | |
1110 | |
5338 | 1111 /* No translation, it may call malloc(). */ |
7 | 1112 #ifdef SIGHASARG |
5338 | 1113 sprintf((char *)IObuff, "Vim: Caught deadly signal %s\n", |
7 | 1114 signal_info[i].name); |
1115 #else | |
5338 | 1116 sprintf((char *)IObuff, "Vim: Caught deadly signal\n"); |
1117 #endif | |
1118 | |
1119 /* Preserve files and exit. This sets the really_exiting flag to prevent | |
1120 * calling free(). */ | |
1121 preserve_exit(); | |
7 | 1122 |
33 | 1123 #ifdef NBDEBUG |
1124 reset_signals(); | |
1125 may_core_dump(); | |
1126 abort(); | |
1127 #endif | |
1128 | |
7 | 1129 SIGRETURN; |
1130 } | |
1131 | |
1832 | 1132 #if defined(_REENTRANT) && defined(SIGCONT) |
7 | 1133 /* |
1134 * On Solaris with multi-threading, suspending might not work immediately. | |
1135 * Catch the SIGCONT signal, which will be used as an indication whether the | |
1136 * suspending has been done or not. | |
1832 | 1137 * |
1138 * On Linux, signal is not always handled immediately either. | |
1139 * See https://bugs.launchpad.net/bugs/291373 | |
1140 * | |
2701 | 1141 * volatile because it is used in signal handler sigcont_handler(). |
7 | 1142 */ |
1832 | 1143 static volatile int sigcont_received; |
7 | 1144 static RETSIGTYPE sigcont_handler __ARGS(SIGPROTOARG); |
1145 | |
1146 /* | |
1147 * signal handler for SIGCONT | |
1148 */ | |
1149 static RETSIGTYPE | |
1150 sigcont_handler SIGDEFARG(sigarg) | |
1151 { | |
1152 sigcont_received = TRUE; | |
1153 SIGRETURN; | |
1154 } | |
1155 #endif | |
1156 | |
2586 | 1157 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
1158 static void loose_clipboard __ARGS((void)); | |
4230 | 1159 # ifdef USE_SYSTEM |
4209 | 1160 static void save_clipboard __ARGS((void)); |
1161 static void restore_clipboard __ARGS((void)); | |
1162 | |
1163 static void *clip_star_save = NULL; | |
1164 static void *clip_plus_save = NULL; | |
4230 | 1165 # endif |
2586 | 1166 |
1167 /* | |
1168 * Called when Vim is going to sleep or execute a shell command. | |
1169 * We can't respond to requests for the X selections. Lose them, otherwise | |
1170 * other applications will hang. But first copy the text to cut buffer 0. | |
1171 */ | |
1172 static void | |
1173 loose_clipboard() | |
1174 { | |
1175 if (clip_star.owned || clip_plus.owned) | |
1176 { | |
1177 x11_export_final_selection(); | |
1178 if (clip_star.owned) | |
1179 clip_lose_selection(&clip_star); | |
1180 if (clip_plus.owned) | |
1181 clip_lose_selection(&clip_plus); | |
1182 if (x11_display != NULL) | |
1183 XFlush(x11_display); | |
1184 } | |
1185 } | |
4209 | 1186 |
4230 | 1187 # ifdef USE_SYSTEM |
4209 | 1188 /* |
1189 * Save clipboard text to restore later. | |
1190 */ | |
1191 static void | |
1192 save_clipboard() | |
1193 { | |
1194 if (clip_star.owned) | |
1195 clip_star_save = get_register('*', TRUE); | |
1196 if (clip_plus.owned) | |
1197 clip_plus_save = get_register('+', TRUE); | |
1198 } | |
1199 | |
1200 /* | |
1201 * Restore clipboard text if no one own the X selection. | |
1202 */ | |
1203 static void | |
1204 restore_clipboard() | |
1205 { | |
1206 if (clip_star_save != NULL) | |
1207 { | |
1208 if (!clip_gen_owner_exists(&clip_star)) | |
1209 put_register('*', clip_star_save); | |
1210 else | |
1211 free_register(clip_star_save); | |
1212 clip_star_save = NULL; | |
1213 } | |
1214 if (clip_plus_save != NULL) | |
1215 { | |
1216 if (!clip_gen_owner_exists(&clip_plus)) | |
1217 put_register('+', clip_plus_save); | |
1218 else | |
1219 free_register(clip_plus_save); | |
1220 clip_plus_save = NULL; | |
1221 } | |
1222 } | |
4230 | 1223 # endif |
2586 | 1224 #endif |
1225 | |
7 | 1226 /* |
1227 * If the machine has job control, use it to suspend the program, | |
1228 * otherwise fake it by starting a new shell. | |
1229 */ | |
1230 void | |
1231 mch_suspend() | |
1232 { | |
1233 /* BeOS does have SIGTSTP, but it doesn't work. */ | |
1234 #if defined(SIGTSTP) && !defined(__BEOS__) | |
1235 out_flush(); /* needed to make cursor visible on some systems */ | |
1236 settmode(TMODE_COOK); | |
1237 out_flush(); /* needed to disable mouse on some systems */ | |
1238 | |
1239 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) | |
2586 | 1240 loose_clipboard(); |
7 | 1241 # endif |
1242 | |
1832 | 1243 # if defined(_REENTRANT) && defined(SIGCONT) |
7 | 1244 sigcont_received = FALSE; |
1245 # endif | |
1246 kill(0, SIGTSTP); /* send ourselves a STOP signal */ | |
1832 | 1247 # if defined(_REENTRANT) && defined(SIGCONT) |
1248 /* | |
1249 * Wait for the SIGCONT signal to be handled. It generally happens | |
1250 * immediately, but somehow not all the time. Do not call pause() | |
1251 * because there would be race condition which would hang Vim if | |
1252 * signal happened in between the test of sigcont_received and the | |
1253 * call to pause(). If signal is not yet received, call sleep(0) | |
1254 * to just yield CPU. Signal should then be received. If somehow | |
1255 * it's still not received, sleep 1, 2, 3 ms. Don't bother waiting | |
1256 * further if signal is not received after 1+2+3+4 ms (not expected | |
1257 * to happen). | |
1258 */ | |
1259 { | |
1932 | 1260 long wait_time; |
1261 for (wait_time = 0; !sigcont_received && wait_time <= 3L; wait_time++) | |
1832 | 1262 /* Loop is not entered most of the time */ |
1932 | 1263 mch_delay(wait_time, FALSE); |
1832 | 1264 } |
7 | 1265 # endif |
1266 | |
1267 # ifdef FEAT_TITLE | |
1268 /* | |
1269 * Set oldtitle to NULL, so the current title is obtained again. | |
1270 */ | |
1271 vim_free(oldtitle); | |
1272 oldtitle = NULL; | |
1273 # endif | |
1274 settmode(TMODE_RAW); | |
1275 need_check_timestamps = TRUE; | |
1276 did_check_timestamps = FALSE; | |
1277 #else | |
1278 suspend_shell(); | |
1279 #endif | |
1280 } | |
1281 | |
1282 void | |
1283 mch_init() | |
1284 { | |
1285 Columns = 80; | |
1286 Rows = 24; | |
1287 | |
1288 out_flush(); | |
1289 set_signals(); | |
167 | 1290 |
765 | 1291 #ifdef MACOS_CONVERT |
167 | 1292 mac_conv_init(); |
1293 #endif | |
4168 | 1294 #ifdef FEAT_CYGWIN_WIN32_CLIPBOARD |
1295 win_clip_init(); | |
1296 #endif | |
7 | 1297 } |
1298 | |
1299 static void | |
1300 set_signals() | |
1301 { | |
1302 #if defined(SIGWINCH) | |
1303 /* | |
1304 * WINDOW CHANGE signal is handled with sig_winch(). | |
1305 */ | |
1306 signal(SIGWINCH, (RETSIGTYPE (*)())sig_winch); | |
1307 #endif | |
1308 | |
1309 /* | |
1310 * We want the STOP signal to work, to make mch_suspend() work. | |
1311 * For "rvim" the STOP signal is ignored. | |
1312 */ | |
1313 #ifdef SIGTSTP | |
1314 signal(SIGTSTP, restricted ? SIG_IGN : SIG_DFL); | |
1315 #endif | |
1832 | 1316 #if defined(_REENTRANT) && defined(SIGCONT) |
7 | 1317 signal(SIGCONT, sigcont_handler); |
1318 #endif | |
1319 | |
1320 /* | |
1321 * We want to ignore breaking of PIPEs. | |
1322 */ | |
1323 #ifdef SIGPIPE | |
1324 signal(SIGPIPE, SIG_IGN); | |
1325 #endif | |
1326 | |
1327 #ifdef SIGINT | |
167 | 1328 catch_int_signal(); |
7 | 1329 #endif |
1330 | |
1331 /* | |
1332 * Ignore alarm signals (Perl's alarm() generates it). | |
1333 */ | |
1334 #ifdef SIGALRM | |
1335 signal(SIGALRM, SIG_IGN); | |
1336 #endif | |
1337 | |
1338 /* | |
1339 * Catch SIGPWR (power failure?) to preserve the swap files, so that no | |
1340 * work will be lost. | |
1341 */ | |
1342 #ifdef SIGPWR | |
1343 signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr); | |
1344 #endif | |
1345 | |
1346 /* | |
1347 * Arrange for other signals to gracefully shutdown Vim. | |
1348 */ | |
1349 catch_signals(deathtrap, SIG_ERR); | |
1350 | |
1351 #if defined(FEAT_GUI) && defined(SIGHUP) | |
1352 /* | |
1353 * When the GUI is running, ignore the hangup signal. | |
1354 */ | |
1355 if (gui.in_use) | |
1356 signal(SIGHUP, SIG_IGN); | |
1357 #endif | |
1358 } | |
1359 | |
167 | 1360 #if defined(SIGINT) || defined(PROTO) |
1361 /* | |
1362 * Catch CTRL-C (only works while in Cooked mode). | |
1363 */ | |
1364 static void | |
1365 catch_int_signal() | |
1366 { | |
1367 signal(SIGINT, (RETSIGTYPE (*)())catch_sigint); | |
1368 } | |
1369 #endif | |
1370 | |
7 | 1371 void |
1372 reset_signals() | |
1373 { | |
1374 catch_signals(SIG_DFL, SIG_DFL); | |
1832 | 1375 #if defined(_REENTRANT) && defined(SIGCONT) |
7 | 1376 /* SIGCONT isn't in the list, because its default action is ignore */ |
1377 signal(SIGCONT, SIG_DFL); | |
1378 #endif | |
1379 } | |
1380 | |
1381 static void | |
1382 catch_signals(func_deadly, func_other) | |
1383 RETSIGTYPE (*func_deadly)(); | |
1384 RETSIGTYPE (*func_other)(); | |
1385 { | |
1386 int i; | |
1387 | |
1388 for (i = 0; signal_info[i].sig != -1; i++) | |
1389 if (signal_info[i].deadly) | |
1390 { | |
1391 #if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGACTION) | |
1392 struct sigaction sa; | |
1393 | |
1394 /* Setup to use the alternate stack for the signal function. */ | |
1395 sa.sa_handler = func_deadly; | |
1396 sigemptyset(&sa.sa_mask); | |
1397 # if defined(__linux__) && defined(_REENTRANT) | |
1398 /* On Linux, with glibc compiled for kernel 2.2, there is a bug in | |
1399 * thread handling in combination with using the alternate stack: | |
1400 * pthread library functions try to use the stack pointer to | |
1401 * identify the current thread, causing a SEGV signal, which | |
1402 * recursively calls deathtrap() and hangs. */ | |
1403 sa.sa_flags = 0; | |
1404 # else | |
1405 sa.sa_flags = SA_ONSTACK; | |
1406 # endif | |
1407 sigaction(signal_info[i].sig, &sa, NULL); | |
1408 #else | |
1409 # if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGVEC) | |
1410 struct sigvec sv; | |
1411 | |
1412 /* Setup to use the alternate stack for the signal function. */ | |
1413 sv.sv_handler = func_deadly; | |
1414 sv.sv_mask = 0; | |
1415 sv.sv_flags = SV_ONSTACK; | |
1416 sigvec(signal_info[i].sig, &sv, NULL); | |
1417 # else | |
1418 signal(signal_info[i].sig, func_deadly); | |
1419 # endif | |
1420 #endif | |
1421 } | |
1422 else if (func_other != SIG_ERR) | |
1423 signal(signal_info[i].sig, func_other); | |
1424 } | |
1425 | |
1426 /* | |
37 | 1427 * Handling of SIGHUP, SIGQUIT and SIGTERM: |
1146 | 1428 * "when" == a signal: when busy, postpone and return FALSE, otherwise |
1429 * return TRUE | |
1430 * "when" == SIGNAL_BLOCK: Going to be busy, block signals | |
1431 * "when" == SIGNAL_UNBLOCK: Going to wait, unblock signals, use postponed | |
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1432 * signal |
36 | 1433 * Returns TRUE when Vim should exit. |
1434 */ | |
1435 int | |
413 | 1436 vim_handle_signal(sig) |
37 | 1437 int sig; |
36 | 1438 { |
37 | 1439 static int got_signal = 0; |
1440 static int blocked = TRUE; | |
1441 | |
1442 switch (sig) | |
36 | 1443 { |
37 | 1444 case SIGNAL_BLOCK: blocked = TRUE; |
1445 break; | |
1446 | |
1447 case SIGNAL_UNBLOCK: blocked = FALSE; | |
1448 if (got_signal != 0) | |
1449 { | |
1450 kill(getpid(), got_signal); | |
1451 got_signal = 0; | |
1452 } | |
1453 break; | |
1454 | |
1455 default: if (!blocked) | |
36 | 1456 return TRUE; /* exit! */ |
37 | 1457 got_signal = sig; |
1458 #ifdef SIGPWR | |
1459 if (sig != SIGPWR) | |
1460 #endif | |
1461 got_int = TRUE; /* break any loops */ | |
36 | 1462 break; |
1463 } | |
1464 return FALSE; | |
1465 } | |
1466 | |
1467 /* | |
7 | 1468 * Check_win checks whether we have an interactive stdout. |
1469 */ | |
1470 int | |
1471 mch_check_win(argc, argv) | |
1877 | 1472 int argc UNUSED; |
1473 char **argv UNUSED; | |
7 | 1474 { |
1475 #ifdef OS2 | |
1476 /* | |
1477 * Store argv[0], may be used for $VIM. Only use it if it is an absolute | |
1478 * name, mostly it's just "vim" and found in the path, which is unusable. | |
1479 */ | |
1480 if (mch_isFullName(argv[0])) | |
1481 exe_name = vim_strsave((char_u *)argv[0]); | |
1482 #endif | |
1483 if (isatty(1)) | |
1484 return OK; | |
1485 return FAIL; | |
1486 } | |
1487 | |
1488 /* | |
1489 * Return TRUE if the input comes from a terminal, FALSE otherwise. | |
1490 */ | |
1491 int | |
1492 mch_input_isatty() | |
1493 { | |
1494 if (isatty(read_cmd_fd)) | |
1495 return TRUE; | |
1496 return FALSE; | |
1497 } | |
1498 | |
1499 #ifdef FEAT_X11 | |
1500 | |
1501 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) \ | |
1502 && (defined(FEAT_XCLIPBOARD) || defined(FEAT_TITLE)) | |
1503 | |
1504 static void xopen_message __ARGS((struct timeval *tvp)); | |
1505 | |
1506 /* | |
1507 * Give a message about the elapsed time for opening the X window. | |
1508 */ | |
1509 static void | |
1510 xopen_message(tvp) | |
1511 struct timeval *tvp; /* must contain start time */ | |
1512 { | |
1513 struct timeval end_tv; | |
1514 | |
1515 /* Compute elapsed time. */ | |
1516 gettimeofday(&end_tv, NULL); | |
1517 smsg((char_u *)_("Opening the X display took %ld msec"), | |
1518 (end_tv.tv_sec - tvp->tv_sec) * 1000L | |
273 | 1519 + (end_tv.tv_usec - tvp->tv_usec) / 1000L); |
7 | 1520 } |
1521 # endif | |
1522 #endif | |
1523 | |
1524 #if defined(FEAT_X11) && (defined(FEAT_TITLE) || defined(FEAT_XCLIPBOARD)) | |
1525 /* | |
1526 * A few functions shared by X11 title and clipboard code. | |
1527 */ | |
1528 static int x_error_handler __ARGS((Display *dpy, XErrorEvent *error_event)); | |
1529 static int x_error_check __ARGS((Display *dpy, XErrorEvent *error_event)); | |
1530 static int x_connect_to_server __ARGS((void)); | |
1531 static int test_x11_window __ARGS((Display *dpy)); | |
1532 | |
1533 static int got_x_error = FALSE; | |
1534 | |
1535 /* | |
1536 * X Error handler, otherwise X just exits! (very rude) -- webb | |
1537 */ | |
1538 static int | |
1539 x_error_handler(dpy, error_event) | |
1540 Display *dpy; | |
1541 XErrorEvent *error_event; | |
1542 { | |
42 | 1543 XGetErrorText(dpy, error_event->error_code, (char *)IObuff, IOSIZE); |
7 | 1544 STRCAT(IObuff, _("\nVim: Got X error\n")); |
1545 | |
1546 /* We cannot print a message and continue, because no X calls are allowed | |
1547 * here (causes my system to hang). Silently continuing might be an | |
1548 * alternative... */ | |
1549 preserve_exit(); /* preserve files and exit */ | |
1550 | |
1551 return 0; /* NOTREACHED */ | |
1552 } | |
1553 | |
1554 /* | |
1555 * Another X Error handler, just used to check for errors. | |
1556 */ | |
1557 static int | |
1558 x_error_check(dpy, error_event) | |
1883 | 1559 Display *dpy UNUSED; |
1560 XErrorEvent *error_event UNUSED; | |
7 | 1561 { |
1562 got_x_error = TRUE; | |
1563 return 0; | |
1564 } | |
1565 | |
1566 #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) | |
1567 # if defined(HAVE_SETJMP_H) | |
1568 /* | |
1569 * An X IO Error handler, used to catch error while opening the display. | |
1570 */ | |
1571 static int x_IOerror_check __ARGS((Display *dpy)); | |
1572 | |
1573 static int | |
1574 x_IOerror_check(dpy) | |
1883 | 1575 Display *dpy UNUSED; |
7 | 1576 { |
1577 /* This function should not return, it causes exit(). Longjump instead. */ | |
1578 LONGJMP(lc_jump_env, 1); | |
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1579 # if defined(VMS) || defined(__CYGWIN__) || defined(__CYGWIN32__) |
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1580 return 0; /* avoid the compiler complains about missing return value */ |
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1581 # endif |
7 | 1582 } |
1583 # endif | |
1584 | |
1585 /* | |
1586 * An X IO Error handler, used to catch terminal errors. | |
1587 */ | |
1588 static int x_IOerror_handler __ARGS((Display *dpy)); | |
6383 | 1589 static void may_restore_clipboard __ARGS((void)); |
1590 static int xterm_dpy_was_reset = FALSE; | |
7 | 1591 |
1592 static int | |
1593 x_IOerror_handler(dpy) | |
1883 | 1594 Display *dpy UNUSED; |
7 | 1595 { |
1596 xterm_dpy = NULL; | |
6383 | 1597 xterm_dpy_was_reset = TRUE; |
7 | 1598 x11_window = 0; |
1599 x11_display = NULL; | |
1600 xterm_Shell = (Widget)0; | |
1601 | |
1602 /* This function should not return, it causes exit(). Longjump instead. */ | |
1603 LONGJMP(x_jump_env, 1); | |
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1604 # if defined(VMS) || defined(__CYGWIN__) || defined(__CYGWIN32__) |
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1605 return 0; /* avoid the compiler complains about missing return value */ |
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1606 # endif |
7 | 1607 } |
6383 | 1608 |
1609 /* | |
1610 * If the X11 connection was lost try to restore it. | |
1611 * Helps when the X11 server was stopped and restarted while Vim was inactive | |
6448 | 1612 * (e.g. through tmux). |
6383 | 1613 */ |
1614 static void | |
1615 may_restore_clipboard() | |
1616 { | |
1617 if (xterm_dpy_was_reset) | |
1618 { | |
1619 xterm_dpy_was_reset = FALSE; | |
6458 | 1620 |
1621 # ifndef LESSTIF_VERSION | |
1622 /* This has been reported to avoid Vim getting stuck. */ | |
1623 if (app_context != (XtAppContext)NULL) | |
1624 { | |
1625 XtDestroyApplicationContext(app_context); | |
1626 app_context = (XtAppContext)NULL; | |
1627 x11_display = NULL; /* freed by XtDestroyApplicationContext() */ | |
1628 } | |
1629 # endif | |
1630 | |
6383 | 1631 setup_term_clip(); |
1632 get_x11_title(FALSE); | |
1633 } | |
1634 } | |
7 | 1635 #endif |
1636 | |
1637 /* | |
1638 * Return TRUE when connection to the X server is desired. | |
1639 */ | |
1640 static int | |
1641 x_connect_to_server() | |
1642 { | |
1643 #if defined(FEAT_CLIENTSERVER) | |
1644 if (x_force_connect) | |
1645 return TRUE; | |
1646 #endif | |
1647 if (x_no_connect) | |
1648 return FALSE; | |
1649 | |
1650 /* Check for a match with "exclude:" from 'clipboard'. */ | |
1651 if (clip_exclude_prog != NULL) | |
1652 { | |
6375 | 1653 if (vim_regexec_prog(&clip_exclude_prog, FALSE, T_NAME, (colnr_T)0)) |
7 | 1654 return FALSE; |
1655 } | |
1656 return TRUE; | |
1657 } | |
1658 | |
1659 /* | |
1660 * Test if "dpy" and x11_window are valid by getting the window title. | |
1661 * I don't actually want it yet, so there may be a simpler call to use, but | |
1662 * this will cause the error handler x_error_check() to be called if anything | |
1663 * is wrong, such as the window pointer being invalid (as can happen when the | |
1664 * user changes his DISPLAY, but not his WINDOWID) -- webb | |
1665 */ | |
1666 static int | |
1667 test_x11_window(dpy) | |
1668 Display *dpy; | |
1669 { | |
1670 int (*old_handler)(); | |
1671 XTextProperty text_prop; | |
1672 | |
1673 old_handler = XSetErrorHandler(x_error_check); | |
1674 got_x_error = FALSE; | |
1675 if (XGetWMName(dpy, x11_window, &text_prop)) | |
1676 XFree((void *)text_prop.value); | |
1677 XSync(dpy, False); | |
1678 (void)XSetErrorHandler(old_handler); | |
1679 | |
1680 if (p_verbose > 0 && got_x_error) | |
292 | 1681 verb_msg((char_u *)_("Testing the X display failed")); |
7 | 1682 |
1683 return (got_x_error ? FAIL : OK); | |
1684 } | |
1685 #endif | |
1686 | |
1687 #ifdef FEAT_TITLE | |
1688 | |
1689 #ifdef FEAT_X11 | |
1690 | |
1691 static int get_x11_thing __ARGS((int get_title, int test_only)); | |
1692 | |
1693 /* | |
1694 * try to get x11 window and display | |
1695 * | |
1696 * return FAIL for failure, OK otherwise | |
1697 */ | |
1698 static int | |
1699 get_x11_windis() | |
1700 { | |
1701 char *winid; | |
1702 static int result = -1; | |
1703 #define XD_NONE 0 /* x11_display not set here */ | |
1704 #define XD_HERE 1 /* x11_display opened here */ | |
1705 #define XD_GUI 2 /* x11_display used from gui.dpy */ | |
1706 #define XD_XTERM 3 /* x11_display used from xterm_dpy */ | |
1707 static int x11_display_from = XD_NONE; | |
1708 static int did_set_error_handler = FALSE; | |
1709 | |
1710 if (!did_set_error_handler) | |
1711 { | |
1712 /* X just exits if it finds an error otherwise! */ | |
1713 (void)XSetErrorHandler(x_error_handler); | |
1714 did_set_error_handler = TRUE; | |
1715 } | |
1716 | |
574 | 1717 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) |
7 | 1718 if (gui.in_use) |
1719 { | |
1720 /* | |
1721 * If the X11 display was opened here before, for the window where Vim | |
1722 * was started, close that one now to avoid a memory leak. | |
1723 */ | |
1724 if (x11_display_from == XD_HERE && x11_display != NULL) | |
1725 { | |
1726 XCloseDisplay(x11_display); | |
1727 x11_display_from = XD_NONE; | |
1728 } | |
1729 if (gui_get_x11_windis(&x11_window, &x11_display) == OK) | |
1730 { | |
1731 x11_display_from = XD_GUI; | |
1732 return OK; | |
1733 } | |
1734 x11_display = NULL; | |
1735 return FAIL; | |
1736 } | |
1737 else if (x11_display_from == XD_GUI) | |
1738 { | |
1739 /* GUI must have stopped somehow, clear x11_display */ | |
1740 x11_window = 0; | |
1741 x11_display = NULL; | |
1742 x11_display_from = XD_NONE; | |
1743 } | |
1744 #endif | |
1745 | |
1746 /* When started with the "-X" argument, don't try connecting. */ | |
1747 if (!x_connect_to_server()) | |
1748 return FAIL; | |
1749 | |
1750 /* | |
1751 * If WINDOWID not set, should try another method to find out | |
1752 * what the current window number is. The only code I know for | |
1753 * this is very complicated. | |
1754 * We assume that zero is invalid for WINDOWID. | |
1755 */ | |
1756 if (x11_window == 0 && (winid = getenv("WINDOWID")) != NULL) | |
1757 x11_window = (Window)atol(winid); | |
1758 | |
1759 #ifdef FEAT_XCLIPBOARD | |
1760 if (xterm_dpy != NULL && x11_window != 0) | |
1761 { | |
1450 | 1762 /* We may have checked it already, but Gnome terminal can move us to |
1763 * another window, so we need to check every time. */ | |
1764 if (x11_display_from != XD_XTERM) | |
1765 { | |
1766 /* | |
1767 * If the X11 display was opened here before, for the window where | |
1768 * Vim was started, close that one now to avoid a memory leak. | |
1769 */ | |
1770 if (x11_display_from == XD_HERE && x11_display != NULL) | |
1771 XCloseDisplay(x11_display); | |
1772 x11_display = xterm_dpy; | |
1773 x11_display_from = XD_XTERM; | |
1774 } | |
7 | 1775 if (test_x11_window(x11_display) == FAIL) |
1776 { | |
1777 /* probably bad $WINDOWID */ | |
1778 x11_window = 0; | |
1779 x11_display = NULL; | |
1780 x11_display_from = XD_NONE; | |
1781 return FAIL; | |
1782 } | |
1783 return OK; | |
1784 } | |
1785 #endif | |
1786 | |
1787 if (x11_window == 0 || x11_display == NULL) | |
1788 result = -1; | |
1789 | |
1790 if (result != -1) /* Have already been here and set this */ | |
1791 return result; /* Don't do all these X calls again */ | |
1792 | |
1793 if (x11_window != 0 && x11_display == NULL) | |
1794 { | |
1795 #ifdef SET_SIG_ALARM | |
1796 RETSIGTYPE (*sig_save)(); | |
1797 #endif | |
1798 #if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
1799 struct timeval start_tv; | |
1800 | |
1801 if (p_verbose > 0) | |
1802 gettimeofday(&start_tv, NULL); | |
1803 #endif | |
1804 | |
1805 #ifdef SET_SIG_ALARM | |
1806 /* | |
1807 * Opening the Display may hang if the DISPLAY setting is wrong, or | |
1808 * the network connection is bad. Set an alarm timer to get out. | |
1809 */ | |
1810 sig_alarm_called = FALSE; | |
1811 sig_save = (RETSIGTYPE (*)())signal(SIGALRM, | |
1812 (RETSIGTYPE (*)())sig_alarm); | |
1813 alarm(2); | |
1814 #endif | |
1815 x11_display = XOpenDisplay(NULL); | |
1816 | |
1817 #ifdef SET_SIG_ALARM | |
1818 alarm(0); | |
1819 signal(SIGALRM, (RETSIGTYPE (*)())sig_save); | |
1820 if (p_verbose > 0 && sig_alarm_called) | |
292 | 1821 verb_msg((char_u *)_("Opening the X display timed out")); |
7 | 1822 #endif |
1823 if (x11_display != NULL) | |
1824 { | |
1825 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
1826 if (p_verbose > 0) | |
292 | 1827 { |
1828 verbose_enter(); | |
7 | 1829 xopen_message(&start_tv); |
292 | 1830 verbose_leave(); |
1831 } | |
7 | 1832 # endif |
1833 if (test_x11_window(x11_display) == FAIL) | |
1834 { | |
1835 /* Maybe window id is bad */ | |
1836 x11_window = 0; | |
1837 XCloseDisplay(x11_display); | |
1838 x11_display = NULL; | |
1839 } | |
1840 else | |
1841 x11_display_from = XD_HERE; | |
1842 } | |
1843 } | |
1844 if (x11_window == 0 || x11_display == NULL) | |
1845 return (result = FAIL); | |
2609 | 1846 |
1847 # ifdef FEAT_EVAL | |
1848 set_vim_var_nr(VV_WINDOWID, (long)x11_window); | |
1849 # endif | |
1850 | |
7 | 1851 return (result = OK); |
1852 } | |
1853 | |
1854 /* | |
1855 * Determine original x11 Window Title | |
1856 */ | |
1857 static int | |
1858 get_x11_title(test_only) | |
1859 int test_only; | |
1860 { | |
32 | 1861 return get_x11_thing(TRUE, test_only); |
7 | 1862 } |
1863 | |
1864 /* | |
1865 * Determine original x11 Window icon | |
1866 */ | |
1867 static int | |
1868 get_x11_icon(test_only) | |
1869 int test_only; | |
1870 { | |
1871 int retval = FALSE; | |
1872 | |
1873 retval = get_x11_thing(FALSE, test_only); | |
1874 | |
1875 /* could not get old icon, use terminal name */ | |
1876 if (oldicon == NULL && !test_only) | |
1877 { | |
1878 if (STRNCMP(T_NAME, "builtin_", 8) == 0) | |
1940 | 1879 oldicon = vim_strsave(T_NAME + 8); |
7 | 1880 else |
1940 | 1881 oldicon = vim_strsave(T_NAME); |
7 | 1882 } |
1883 | |
1884 return retval; | |
1885 } | |
1886 | |
1887 static int | |
1888 get_x11_thing(get_title, test_only) | |
1889 int get_title; /* get title string */ | |
1890 int test_only; | |
1891 { | |
1892 XTextProperty text_prop; | |
1893 int retval = FALSE; | |
1894 Status status; | |
1895 | |
1896 if (get_x11_windis() == OK) | |
1897 { | |
1898 /* Get window/icon name if any */ | |
1899 if (get_title) | |
1900 status = XGetWMName(x11_display, x11_window, &text_prop); | |
1901 else | |
1902 status = XGetWMIconName(x11_display, x11_window, &text_prop); | |
1903 | |
1904 /* | |
1905 * If terminal is xterm, then x11_window may be a child window of the | |
1906 * outer xterm window that actually contains the window/icon name, so | |
1907 * keep traversing up the tree until a window with a title/icon is | |
1908 * found. | |
1909 */ | |
1910 /* Previously this was only done for xterm and alikes. I don't see a | |
1911 * reason why it would fail for other terminal emulators. | |
1912 * if (term_is_xterm) */ | |
1913 { | |
1914 Window root; | |
1915 Window parent; | |
1916 Window win = x11_window; | |
1917 Window *children; | |
1918 unsigned int num_children; | |
1919 | |
1920 while (!status || text_prop.value == NULL) | |
1921 { | |
1922 if (!XQueryTree(x11_display, win, &root, &parent, &children, | |
1923 &num_children)) | |
1924 break; | |
1925 if (children) | |
1926 XFree((void *)children); | |
1927 if (parent == root || parent == 0) | |
1928 break; | |
1929 | |
1930 win = parent; | |
1931 if (get_title) | |
1932 status = XGetWMName(x11_display, win, &text_prop); | |
1933 else | |
1934 status = XGetWMIconName(x11_display, win, &text_prop); | |
1935 } | |
1936 } | |
1937 if (status && text_prop.value != NULL) | |
1938 { | |
1939 retval = TRUE; | |
1940 if (!test_only) | |
1941 { | |
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1942 #if defined(FEAT_XFONTSET) || defined(FEAT_MBYTE) |
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1943 if (text_prop.encoding == XA_STRING |
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1944 # ifdef FEAT_MBYTE |
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1945 && !has_mbyte |
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1946 # endif |
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1947 ) |
7 | 1948 { |
1949 #endif | |
1950 if (get_title) | |
1951 oldtitle = vim_strsave((char_u *)text_prop.value); | |
1952 else | |
1953 oldicon = vim_strsave((char_u *)text_prop.value); | |
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1954 #if defined(FEAT_XFONTSET) || defined(FEAT_MBYTE) |
7 | 1955 } |
1956 else | |
1957 { | |
1958 char **cl; | |
1959 Status transform_status; | |
1960 int n = 0; | |
1961 | |
1962 transform_status = XmbTextPropertyToTextList(x11_display, | |
1963 &text_prop, | |
1964 &cl, &n); | |
1965 if (transform_status >= Success && n > 0 && cl[0]) | |
1966 { | |
1967 if (get_title) | |
1968 oldtitle = vim_strsave((char_u *) cl[0]); | |
1969 else | |
1970 oldicon = vim_strsave((char_u *) cl[0]); | |
1971 XFreeStringList(cl); | |
1972 } | |
1973 else | |
1974 { | |
1975 if (get_title) | |
1976 oldtitle = vim_strsave((char_u *)text_prop.value); | |
1977 else | |
1978 oldicon = vim_strsave((char_u *)text_prop.value); | |
1979 } | |
1980 } | |
1981 #endif | |
1982 } | |
1983 XFree((void *)text_prop.value); | |
1984 } | |
1985 } | |
1986 return retval; | |
1987 } | |
1988 | |
6282 | 1989 /* Xutf8 functions are not avaialble on older systems. Note that on some |
1990 * systems X_HAVE_UTF8_STRING may be defined in a header file but | |
1991 * Xutf8SetWMProperties() is not in the X11 library. Configure checks for | |
1992 * that and defines HAVE_XUTF8SETWMPROPERTIES. */ | |
7 | 1993 #if defined(X_HAVE_UTF8_STRING) && defined(FEAT_MBYTE) |
6282 | 1994 # if X_HAVE_UTF8_STRING && HAVE_XUTF8SETWMPROPERTIES |
7 | 1995 # define USE_UTF8_STRING |
1996 # endif | |
1997 #endif | |
1998 | |
1999 /* | |
2000 * Set x11 Window Title | |
2001 * | |
2002 * get_x11_windis() must be called before this and have returned OK | |
2003 */ | |
2004 static void | |
2005 set_x11_title(title) | |
2006 char_u *title; | |
2007 { | |
2008 /* XmbSetWMProperties() and Xutf8SetWMProperties() should use a STRING | |
2009 * when possible, COMPOUND_TEXT otherwise. COMPOUND_TEXT isn't | |
2010 * supported everywhere and STRING doesn't work for multi-byte titles. | |
2011 */ | |
2012 #ifdef USE_UTF8_STRING | |
2013 if (enc_utf8) | |
2014 Xutf8SetWMProperties(x11_display, x11_window, (const char *)title, | |
2015 NULL, NULL, 0, NULL, NULL, NULL); | |
2016 else | |
2017 #endif | |
2018 { | |
2019 #if XtSpecificationRelease >= 4 | |
2020 # ifdef FEAT_XFONTSET | |
2021 XmbSetWMProperties(x11_display, x11_window, (const char *)title, | |
2022 NULL, NULL, 0, NULL, NULL, NULL); | |
2023 # else | |
2024 XTextProperty text_prop; | |
129 | 2025 char *c_title = (char *)title; |
7 | 2026 |
2027 /* directly from example 3-18 "basicwin" of Xlib Programming Manual */ | |
129 | 2028 (void)XStringListToTextProperty(&c_title, 1, &text_prop); |
7 | 2029 XSetWMProperties(x11_display, x11_window, &text_prop, |
2030 NULL, NULL, 0, NULL, NULL, NULL); | |
2031 # endif | |
2032 #else | |
2033 XStoreName(x11_display, x11_window, (char *)title); | |
2034 #endif | |
2035 } | |
2036 XFlush(x11_display); | |
2037 } | |
2038 | |
2039 /* | |
2040 * Set x11 Window icon | |
2041 * | |
2042 * get_x11_windis() must be called before this and have returned OK | |
2043 */ | |
2044 static void | |
2045 set_x11_icon(icon) | |
2046 char_u *icon; | |
2047 { | |
2048 /* See above for comments about using X*SetWMProperties(). */ | |
2049 #ifdef USE_UTF8_STRING | |
2050 if (enc_utf8) | |
2051 Xutf8SetWMProperties(x11_display, x11_window, NULL, (const char *)icon, | |
2052 NULL, 0, NULL, NULL, NULL); | |
2053 else | |
2054 #endif | |
2055 { | |
2056 #if XtSpecificationRelease >= 4 | |
2057 # ifdef FEAT_XFONTSET | |
2058 XmbSetWMProperties(x11_display, x11_window, NULL, (const char *)icon, | |
2059 NULL, 0, NULL, NULL, NULL); | |
2060 # else | |
2061 XTextProperty text_prop; | |
129 | 2062 char *c_icon = (char *)icon; |
2063 | |
2064 (void)XStringListToTextProperty(&c_icon, 1, &text_prop); | |
7 | 2065 XSetWMProperties(x11_display, x11_window, NULL, &text_prop, |
2066 NULL, 0, NULL, NULL, NULL); | |
2067 # endif | |
2068 #else | |
2069 XSetIconName(x11_display, x11_window, (char *)icon); | |
2070 #endif | |
2071 } | |
2072 XFlush(x11_display); | |
2073 } | |
2074 | |
2075 #else /* FEAT_X11 */ | |
2076 | |
2077 static int | |
2078 get_x11_title(test_only) | |
1883 | 2079 int test_only UNUSED; |
7 | 2080 { |
2081 return FALSE; | |
2082 } | |
2083 | |
2084 static int | |
2085 get_x11_icon(test_only) | |
2086 int test_only; | |
2087 { | |
2088 if (!test_only) | |
2089 { | |
2090 if (STRNCMP(T_NAME, "builtin_", 8) == 0) | |
1940 | 2091 oldicon = vim_strsave(T_NAME + 8); |
7 | 2092 else |
1940 | 2093 oldicon = vim_strsave(T_NAME); |
7 | 2094 } |
2095 return FALSE; | |
2096 } | |
2097 | |
2098 #endif /* FEAT_X11 */ | |
2099 | |
2100 int | |
2101 mch_can_restore_title() | |
2102 { | |
2103 return get_x11_title(TRUE); | |
2104 } | |
2105 | |
2106 int | |
2107 mch_can_restore_icon() | |
2108 { | |
2109 return get_x11_icon(TRUE); | |
2110 } | |
2111 | |
2112 /* | |
2113 * Set the window title and icon. | |
2114 */ | |
2115 void | |
2116 mch_settitle(title, icon) | |
2117 char_u *title; | |
2118 char_u *icon; | |
2119 { | |
2120 int type = 0; | |
2121 static int recursive = 0; | |
2122 | |
2123 if (T_NAME == NULL) /* no terminal name (yet) */ | |
2124 return; | |
2125 if (title == NULL && icon == NULL) /* nothing to do */ | |
2126 return; | |
2127 | |
2128 /* When one of the X11 functions causes a deadly signal, we get here again | |
2129 * recursively. Avoid hanging then (something is probably locked). */ | |
2130 if (recursive) | |
2131 return; | |
2132 ++recursive; | |
2133 | |
2134 /* | |
2135 * if the window ID and the display is known, we may use X11 calls | |
2136 */ | |
2137 #ifdef FEAT_X11 | |
2138 if (get_x11_windis() == OK) | |
2139 type = 1; | |
2140 #else | |
2141 # if defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_GTK) | |
2142 if (gui.in_use) | |
2143 type = 1; | |
2144 # endif | |
2145 #endif | |
2146 | |
2147 /* | |
2414
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diff
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2148 * Note: if "t_ts" is set, title is set with escape sequence rather |
7 | 2149 * than x11 calls, because the x11 calls don't always work |
2150 */ | |
2151 if ((type || *T_TS != NUL) && title != NULL) | |
2152 { | |
2153 if (oldtitle == NULL | |
2154 #ifdef FEAT_GUI | |
2155 && !gui.in_use | |
2156 #endif | |
2157 ) /* first call but not in GUI, save title */ | |
2158 (void)get_x11_title(FALSE); | |
2159 | |
2160 if (*T_TS != NUL) /* it's OK if t_fs is empty */ | |
2161 term_settitle(title); | |
2162 #ifdef FEAT_X11 | |
2163 else | |
2164 # ifdef FEAT_GUI_GTK | |
2165 if (!gui.in_use) /* don't do this if GTK+ is running */ | |
2166 # endif | |
2167 set_x11_title(title); /* x11 */ | |
2168 #endif | |
64 | 2169 #if defined(FEAT_GUI_GTK) \ |
7 | 2170 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) |
2171 else | |
2172 gui_mch_settitle(title, icon); | |
2173 #endif | |
2174 did_set_title = TRUE; | |
2175 } | |
2176 | |
2177 if ((type || *T_CIS != NUL) && icon != NULL) | |
2178 { | |
2179 if (oldicon == NULL | |
2180 #ifdef FEAT_GUI | |
2181 && !gui.in_use | |
2182 #endif | |
2183 ) /* first call, save icon */ | |
2184 get_x11_icon(FALSE); | |
2185 | |
2186 if (*T_CIS != NUL) | |
2187 { | |
2188 out_str(T_CIS); /* set icon start */ | |
2189 out_str_nf(icon); | |
2190 out_str(T_CIE); /* set icon end */ | |
2191 out_flush(); | |
2192 } | |
2193 #ifdef FEAT_X11 | |
2194 else | |
2195 # ifdef FEAT_GUI_GTK | |
2196 if (!gui.in_use) /* don't do this if GTK+ is running */ | |
2197 # endif | |
2198 set_x11_icon(icon); /* x11 */ | |
2199 #endif | |
2200 did_set_icon = TRUE; | |
2201 } | |
2202 --recursive; | |
2203 } | |
2204 | |
2205 /* | |
2206 * Restore the window/icon title. | |
2207 * "which" is one of: | |
2208 * 1 only restore title | |
2209 * 2 only restore icon | |
2210 * 3 restore title and icon | |
2211 */ | |
2212 void | |
2213 mch_restore_title(which) | |
2214 int which; | |
2215 { | |
2216 /* only restore the title or icon when it has been set */ | |
2217 mch_settitle(((which & 1) && did_set_title) ? | |
2218 (oldtitle ? oldtitle : p_titleold) : NULL, | |
2219 ((which & 2) && did_set_icon) ? oldicon : NULL); | |
2220 } | |
2221 | |
2222 #endif /* FEAT_TITLE */ | |
2223 | |
2224 /* | |
2225 * Return TRUE if "name" looks like some xterm name. | |
158 | 2226 * Seiichi Sato mentioned that "mlterm" works like xterm. |
7 | 2227 */ |
2228 int | |
2229 vim_is_xterm(name) | |
2230 char_u *name; | |
2231 { | |
2232 if (name == NULL) | |
2233 return FALSE; | |
2234 return (STRNICMP(name, "xterm", 5) == 0 | |
2235 || STRNICMP(name, "nxterm", 6) == 0 | |
2236 || STRNICMP(name, "kterm", 5) == 0 | |
158 | 2237 || STRNICMP(name, "mlterm", 6) == 0 |
7 | 2238 || STRNICMP(name, "rxvt", 4) == 0 |
2239 || STRCMP(name, "builtin_xterm") == 0); | |
2240 } | |
2241 | |
1620 | 2242 #if defined(FEAT_MOUSE_XTERM) || defined(PROTO) |
2243 /* | |
2244 * Return TRUE if "name" appears to be that of a terminal | |
2245 * known to support the xterm-style mouse protocol. | |
2246 * Relies on term_is_xterm having been set to its correct value. | |
2247 */ | |
2248 int | |
2249 use_xterm_like_mouse(name) | |
2250 char_u *name; | |
2251 { | |
2252 return (name != NULL | |
2253 && (term_is_xterm || STRNICMP(name, "screen", 6) == 0)); | |
2254 } | |
2255 #endif | |
2256 | |
7 | 2257 #if defined(FEAT_MOUSE_TTY) || defined(PROTO) |
2258 /* | |
2259 * Return non-zero when using an xterm mouse, according to 'ttymouse'. | |
2260 * Return 1 for "xterm". | |
2261 * Return 2 for "xterm2". | |
3145 | 2262 * Return 3 for "urxvt". |
3746 | 2263 * Return 4 for "sgr". |
7 | 2264 */ |
2265 int | |
2266 use_xterm_mouse() | |
2267 { | |
3746 | 2268 if (ttym_flags == TTYM_SGR) |
2269 return 4; | |
3145 | 2270 if (ttym_flags == TTYM_URXVT) |
2271 return 3; | |
7 | 2272 if (ttym_flags == TTYM_XTERM2) |
2273 return 2; | |
2274 if (ttym_flags == TTYM_XTERM) | |
2275 return 1; | |
2276 return 0; | |
2277 } | |
2278 #endif | |
2279 | |
2280 int | |
2281 vim_is_iris(name) | |
2282 char_u *name; | |
2283 { | |
2284 if (name == NULL) | |
2285 return FALSE; | |
2286 return (STRNICMP(name, "iris-ansi", 9) == 0 | |
2287 || STRCMP(name, "builtin_iris-ansi") == 0); | |
2288 } | |
2289 | |
2290 int | |
2291 vim_is_vt300(name) | |
2292 char_u *name; | |
2293 { | |
2294 if (name == NULL) | |
2295 return FALSE; /* actually all ANSI comp. terminals should be here */ | |
22 | 2296 /* catch VT100 - VT5xx */ |
2297 return ((STRNICMP(name, "vt", 2) == 0 | |
2298 && vim_strchr((char_u *)"12345", name[2]) != NULL) | |
7 | 2299 || STRCMP(name, "builtin_vt320") == 0); |
2300 } | |
2301 | |
2302 /* | |
2303 * Return TRUE if "name" is a terminal for which 'ttyfast' should be set. | |
2304 * This should include all windowed terminal emulators. | |
2305 */ | |
2306 int | |
2307 vim_is_fastterm(name) | |
2308 char_u *name; | |
2309 { | |
2310 if (name == NULL) | |
2311 return FALSE; | |
2312 if (vim_is_xterm(name) || vim_is_vt300(name) || vim_is_iris(name)) | |
2313 return TRUE; | |
2314 return ( STRNICMP(name, "hpterm", 6) == 0 | |
2315 || STRNICMP(name, "sun-cmd", 7) == 0 | |
2316 || STRNICMP(name, "screen", 6) == 0 | |
2317 || STRNICMP(name, "dtterm", 6) == 0); | |
2318 } | |
2319 | |
2320 /* | |
2321 * Insert user name in s[len]. | |
2322 * Return OK if a name found. | |
2323 */ | |
2324 int | |
2325 mch_get_user_name(s, len) | |
2326 char_u *s; | |
2327 int len; | |
2328 { | |
2329 #ifdef VMS | |
509 | 2330 vim_strncpy(s, (char_u *)cuserid(NULL), len - 1); |
7 | 2331 return OK; |
2332 #else | |
2333 return mch_get_uname(getuid(), s, len); | |
2334 #endif | |
2335 } | |
2336 | |
2337 /* | |
2338 * Insert user name for "uid" in s[len]. | |
2339 * Return OK if a name found. | |
2340 */ | |
2341 int | |
2342 mch_get_uname(uid, s, len) | |
2343 uid_t uid; | |
2344 char_u *s; | |
2345 int len; | |
2346 { | |
2347 #if defined(HAVE_PWD_H) && defined(HAVE_GETPWUID) | |
2348 struct passwd *pw; | |
2349 | |
2350 if ((pw = getpwuid(uid)) != NULL | |
2351 && pw->pw_name != NULL && *(pw->pw_name) != NUL) | |
2352 { | |
418 | 2353 vim_strncpy(s, (char_u *)pw->pw_name, len - 1); |
7 | 2354 return OK; |
2355 } | |
2356 #endif | |
2357 sprintf((char *)s, "%d", (int)uid); /* assumes s is long enough */ | |
2358 return FAIL; /* a number is not a name */ | |
2359 } | |
2360 | |
2361 /* | |
2362 * Insert host name is s[len]. | |
2363 */ | |
2364 | |
2365 #ifdef HAVE_SYS_UTSNAME_H | |
2366 void | |
2367 mch_get_host_name(s, len) | |
2368 char_u *s; | |
2369 int len; | |
2370 { | |
2371 struct utsname vutsname; | |
2372 | |
2373 if (uname(&vutsname) < 0) | |
2374 *s = NUL; | |
2375 else | |
418 | 2376 vim_strncpy(s, (char_u *)vutsname.nodename, len - 1); |
7 | 2377 } |
2378 #else /* HAVE_SYS_UTSNAME_H */ | |
2379 | |
2380 # ifdef HAVE_SYS_SYSTEMINFO_H | |
2381 # define gethostname(nam, len) sysinfo(SI_HOSTNAME, nam, len) | |
2382 # endif | |
2383 | |
2384 void | |
2385 mch_get_host_name(s, len) | |
2386 char_u *s; | |
2387 int len; | |
2388 { | |
2389 # ifdef VAXC | |
2390 vaxc$gethostname((char *)s, len); | |
2391 # else | |
2392 gethostname((char *)s, len); | |
2393 # endif | |
2394 s[len - 1] = NUL; /* make sure it's terminated */ | |
2395 } | |
2396 #endif /* HAVE_SYS_UTSNAME_H */ | |
2397 | |
2398 /* | |
2399 * return process ID | |
2400 */ | |
2401 long | |
2402 mch_get_pid() | |
2403 { | |
2404 return (long)getpid(); | |
2405 } | |
2406 | |
2407 #if !defined(HAVE_STRERROR) && defined(USE_GETCWD) | |
2408 static char *strerror __ARGS((int)); | |
2409 | |
2410 static char * | |
2411 strerror(err) | |
2412 int err; | |
2413 { | |
2414 extern int sys_nerr; | |
2415 extern char *sys_errlist[]; | |
2416 static char er[20]; | |
2417 | |
2418 if (err > 0 && err < sys_nerr) | |
2419 return (sys_errlist[err]); | |
2420 sprintf(er, "Error %d", err); | |
2421 return er; | |
2422 } | |
2423 #endif | |
2424 | |
2425 /* | |
2426 * Get name of current directory into buffer 'buf' of length 'len' bytes. | |
2427 * Return OK for success, FAIL for failure. | |
2428 */ | |
2429 int | |
2430 mch_dirname(buf, len) | |
2431 char_u *buf; | |
2432 int len; | |
2433 { | |
2434 #if defined(USE_GETCWD) | |
2435 if (getcwd((char *)buf, len) == NULL) | |
2436 { | |
2437 STRCPY(buf, strerror(errno)); | |
2438 return FAIL; | |
2439 } | |
2440 return OK; | |
2441 #else | |
2442 return (getwd((char *)buf) != NULL ? OK : FAIL); | |
2443 #endif | |
2444 } | |
2445 | |
2446 #if defined(OS2) || defined(PROTO) | |
2447 /* | |
2448 * Replace all slashes by backslashes. | |
2449 * When 'shellslash' set do it the other way around. | |
2450 */ | |
2451 void | |
2452 slash_adjust(p) | |
2453 char_u *p; | |
2454 { | |
2455 while (*p) | |
2456 { | |
2457 if (*p == psepcN) | |
2458 *p = psepc; | |
39 | 2459 mb_ptr_adv(p); |
7 | 2460 } |
2461 } | |
2462 #endif | |
2463 | |
2464 /* | |
1045 | 2465 * Get absolute file name into "buf[len]". |
7 | 2466 * |
2467 * return FAIL for failure, OK for success | |
2468 */ | |
2469 int | |
2470 mch_FullName(fname, buf, len, force) | |
2471 char_u *fname, *buf; | |
2472 int len; | |
2473 int force; /* also expand when already absolute path */ | |
2474 { | |
2475 int l; | |
1082 | 2476 #ifdef OS2 |
7 | 2477 int only_drive; /* file name is only a drive letter */ |
1082 | 2478 #endif |
2479 #ifdef HAVE_FCHDIR | |
7 | 2480 int fd = -1; |
2481 static int dont_fchdir = FALSE; /* TRUE when fchdir() doesn't work */ | |
1082 | 2482 #endif |
7 | 2483 char_u olddir[MAXPATHL]; |
2484 char_u *p; | |
2485 int retval = OK; | |
1615 | 2486 #ifdef __CYGWIN__ |
1620 | 2487 char_u posix_fname[MAXPATHL]; /* Cygwin docs mention MAX_PATH, but |
2488 it's not always defined */ | |
2489 #endif | |
7 | 2490 |
1082 | 2491 #ifdef VMS |
2492 fname = vms_fixfilename(fname); | |
2493 #endif | |
2494 | |
1102 | 2495 #ifdef __CYGWIN__ |
2496 /* | |
2497 * This helps for when "/etc/hosts" is a symlink to "c:/something/hosts". | |
2498 */ | |
1657 | 2499 # if CYGWIN_VERSION_DLL_MAJOR >= 1007 |
2500 cygwin_conv_path(CCP_WIN_A_TO_POSIX, fname, posix_fname, MAXPATHL); | |
2501 # else | |
1615 | 2502 cygwin_conv_to_posix_path(fname, posix_fname); |
1657 | 2503 # endif |
1615 | 2504 fname = posix_fname; |
1102 | 2505 #endif |
2506 | |
7 | 2507 /* expand it if forced or not an absolute path */ |
2508 if (force || !mch_isFullName(fname)) | |
2509 { | |
2510 /* | |
2511 * If the file name has a path, change to that directory for a moment, | |
2512 * and then do the getwd() (and get back to where we were). | |
2513 * This will get the correct path name with "../" things. | |
2514 */ | |
1082 | 2515 #ifdef OS2 |
7 | 2516 only_drive = 0; |
2517 if (((p = vim_strrchr(fname, '/')) != NULL) | |
2518 || ((p = vim_strrchr(fname, '\\')) != NULL) | |
2519 || (((p = vim_strchr(fname, ':')) != NULL) && ++only_drive)) | |
1082 | 2520 #else |
7 | 2521 if ((p = vim_strrchr(fname, '/')) != NULL) |
1082 | 2522 #endif |
7 | 2523 { |
1082 | 2524 #ifdef HAVE_FCHDIR |
7 | 2525 /* |
2526 * Use fchdir() if possible, it's said to be faster and more | |
2527 * reliable. But on SunOS 4 it might not work. Check this by | |
2528 * doing a fchdir() right now. | |
2529 */ | |
2530 if (!dont_fchdir) | |
2531 { | |
2532 fd = open(".", O_RDONLY | O_EXTRA, 0); | |
2533 if (fd >= 0 && fchdir(fd) < 0) | |
2534 { | |
2535 close(fd); | |
2536 fd = -1; | |
2537 dont_fchdir = TRUE; /* don't try again */ | |
2538 } | |
2539 } | |
1082 | 2540 #endif |
7 | 2541 |
2542 /* Only change directory when we are sure we can return to where | |
2543 * we are now. After doing "su" chdir(".") might not work. */ | |
2544 if ( | |
1082 | 2545 #ifdef HAVE_FCHDIR |
7 | 2546 fd < 0 && |
1082 | 2547 #endif |
7 | 2548 (mch_dirname(olddir, MAXPATHL) == FAIL |
2549 || mch_chdir((char *)olddir) != 0)) | |
2550 { | |
2551 p = NULL; /* can't get current dir: don't chdir */ | |
2552 retval = FAIL; | |
2553 } | |
2554 else | |
2555 { | |
1082 | 2556 #ifdef OS2 |
7 | 2557 /* |
2558 * compensate for case where ':' from "D:" was the only | |
2559 * path separator detected in the file name; the _next_ | |
2560 * character has to be removed, and then restored later. | |
2561 */ | |
2562 if (only_drive) | |
2563 p++; | |
1082 | 2564 #endif |
7 | 2565 /* The directory is copied into buf[], to be able to remove |
2566 * the file name without changing it (could be a string in | |
2567 * read-only memory) */ | |
2568 if (p - fname >= len) | |
2569 retval = FAIL; | |
2570 else | |
2571 { | |
418 | 2572 vim_strncpy(buf, fname, p - fname); |
7 | 2573 if (mch_chdir((char *)buf)) |
2574 retval = FAIL; | |
2575 else | |
2576 fname = p + 1; | |
2577 *buf = NUL; | |
2578 } | |
1082 | 2579 #ifdef OS2 |
7 | 2580 if (only_drive) |
2581 { | |
2582 p--; | |
2583 if (retval != FAIL) | |
2584 fname--; | |
2585 } | |
1082 | 2586 #endif |
7 | 2587 } |
2588 } | |
2589 if (mch_dirname(buf, len) == FAIL) | |
2590 { | |
2591 retval = FAIL; | |
2592 *buf = NUL; | |
2593 } | |
2594 if (p != NULL) | |
2595 { | |
1082 | 2596 #ifdef HAVE_FCHDIR |
7 | 2597 if (fd >= 0) |
2598 { | |
1935 | 2599 if (p_verbose >= 5) |
2600 { | |
2601 verbose_enter(); | |
2602 MSG("fchdir() to previous dir"); | |
2603 verbose_leave(); | |
2604 } | |
7 | 2605 l = fchdir(fd); |
2606 close(fd); | |
2607 } | |
2608 else | |
1082 | 2609 #endif |
7 | 2610 l = mch_chdir((char *)olddir); |
2611 if (l != 0) | |
2612 EMSG(_(e_prev_dir)); | |
2613 } | |
2614 | |
2615 l = STRLEN(buf); | |
3867 | 2616 if (l >= len - 1) |
2617 retval = FAIL; /* no space for trailing "/" */ | |
1082 | 2618 #ifndef VMS |
3867 | 2619 else if (l > 0 && buf[l - 1] != '/' && *fname != NUL |
7 | 2620 && STRCMP(fname, ".") != 0) |
3867 | 2621 STRCAT(buf, "/"); |
1082 | 2622 #endif |
7 | 2623 } |
1045 | 2624 |
7 | 2625 /* Catch file names which are too long. */ |
1877 | 2626 if (retval == FAIL || (int)(STRLEN(buf) + STRLEN(fname)) >= len) |
7 | 2627 return FAIL; |
2628 | |
2629 /* Do not append ".", "/dir/." is equal to "/dir". */ | |
2630 if (STRCMP(fname, ".") != 0) | |
2631 STRCAT(buf, fname); | |
2632 | |
2633 return OK; | |
2634 } | |
2635 | |
2636 /* | |
2637 * Return TRUE if "fname" does not depend on the current directory. | |
2638 */ | |
2639 int | |
2640 mch_isFullName(fname) | |
2641 char_u *fname; | |
2642 { | |
2643 #ifdef __EMX__ | |
2644 return _fnisabs(fname); | |
2645 #else | |
2646 # ifdef VMS | |
2647 return ( fname[0] == '/' || fname[0] == '.' || | |
2648 strchr((char *)fname,':') || strchr((char *)fname,'"') || | |
2649 (strchr((char *)fname,'[') && strchr((char *)fname,']'))|| | |
2650 (strchr((char *)fname,'<') && strchr((char *)fname,'>')) ); | |
2651 # else | |
2652 return (*fname == '/' || *fname == '~'); | |
2653 # endif | |
2654 #endif | |
2655 } | |
2656 | |
585 | 2657 #if defined(USE_FNAME_CASE) || defined(PROTO) |
2658 /* | |
2659 * Set the case of the file name, if it already exists. This will cause the | |
2660 * file name to remain exactly the same. | |
1450 | 2661 * Only required for file systems where case is ignored and preserved. |
585 | 2662 */ |
2663 void | |
2664 fname_case(name, len) | |
2665 char_u *name; | |
1883 | 2666 int len UNUSED; /* buffer size, only used when name gets longer */ |
585 | 2667 { |
2668 struct stat st; | |
2669 char_u *slash, *tail; | |
2670 DIR *dirp; | |
2671 struct dirent *dp; | |
2672 | |
2673 if (lstat((char *)name, &st) >= 0) | |
2674 { | |
2675 /* Open the directory where the file is located. */ | |
2676 slash = vim_strrchr(name, '/'); | |
2677 if (slash == NULL) | |
2678 { | |
2679 dirp = opendir("."); | |
2680 tail = name; | |
2681 } | |
2682 else | |
2683 { | |
2684 *slash = NUL; | |
2685 dirp = opendir((char *)name); | |
2686 *slash = '/'; | |
2687 tail = slash + 1; | |
2688 } | |
2689 | |
2690 if (dirp != NULL) | |
2691 { | |
2692 while ((dp = readdir(dirp)) != NULL) | |
2693 { | |
2694 /* Only accept names that differ in case and are the same byte | |
2695 * length. TODO: accept different length name. */ | |
2696 if (STRICMP(tail, dp->d_name) == 0 | |
2697 && STRLEN(tail) == STRLEN(dp->d_name)) | |
2698 { | |
2699 char_u newname[MAXPATHL + 1]; | |
2700 struct stat st2; | |
2701 | |
2702 /* Verify the inode is equal. */ | |
2703 vim_strncpy(newname, name, MAXPATHL); | |
2704 vim_strncpy(newname + (tail - name), (char_u *)dp->d_name, | |
2705 MAXPATHL - (tail - name)); | |
2706 if (lstat((char *)newname, &st2) >= 0 | |
2707 && st.st_ino == st2.st_ino | |
2708 && st.st_dev == st2.st_dev) | |
2709 { | |
2710 STRCPY(tail, dp->d_name); | |
2711 break; | |
2712 } | |
2713 } | |
2714 } | |
2715 | |
2716 closedir(dirp); | |
2717 } | |
2718 } | |
2719 } | |
2720 #endif | |
2721 | |
7 | 2722 /* |
2723 * Get file permissions for 'name'. | |
2724 * Returns -1 when it doesn't exist. | |
2725 */ | |
2726 long | |
2727 mch_getperm(name) | |
2728 char_u *name; | |
2729 { | |
2730 struct stat statb; | |
2731 | |
2732 /* Keep the #ifdef outside of stat(), it may be a macro. */ | |
2733 #ifdef VMS | |
2734 if (stat((char *)vms_fixfilename(name), &statb)) | |
2735 #else | |
2736 if (stat((char *)name, &statb)) | |
2737 #endif | |
2738 return -1; | |
1350 | 2739 #ifdef __INTERIX |
2740 /* The top bit makes the value negative, which means the file doesn't | |
2741 * exist. Remove the bit, we don't use it. */ | |
2742 return statb.st_mode & ~S_ADDACE; | |
2743 #else | |
7 | 2744 return statb.st_mode; |
1350 | 2745 #endif |
7 | 2746 } |
2747 | |
2748 /* | |
2749 * set file permission for 'name' to 'perm' | |
2750 * | |
2751 * return FAIL for failure, OK otherwise | |
2752 */ | |
2753 int | |
2754 mch_setperm(name, perm) | |
2755 char_u *name; | |
2756 long perm; | |
2757 { | |
2758 return (chmod((char *) | |
2759 #ifdef VMS | |
2760 vms_fixfilename(name), | |
2761 #else | |
2762 name, | |
2763 #endif | |
2764 (mode_t)perm) == 0 ? OK : FAIL); | |
2765 } | |
2766 | |
2767 #if defined(HAVE_ACL) || defined(PROTO) | |
2768 # ifdef HAVE_SYS_ACL_H | |
2769 # include <sys/acl.h> | |
2770 # endif | |
2771 # ifdef HAVE_SYS_ACCESS_H | |
2772 # include <sys/access.h> | |
2773 # endif | |
2774 | |
2775 # ifdef HAVE_SOLARIS_ACL | |
2776 typedef struct vim_acl_solaris_T { | |
2777 int acl_cnt; | |
2778 aclent_t *acl_entry; | |
2779 } vim_acl_solaris_T; | |
2780 # endif | |
2781 | |
1583 | 2782 #if defined(HAVE_SELINUX) || defined(PROTO) |
2783 /* | |
2784 * Copy security info from "from_file" to "to_file". | |
2785 */ | |
2786 void | |
2787 mch_copy_sec(from_file, to_file) | |
2788 char_u *from_file; | |
2789 char_u *to_file; | |
2790 { | |
2791 if (from_file == NULL) | |
2792 return; | |
2793 | |
2794 if (selinux_enabled == -1) | |
2795 selinux_enabled = is_selinux_enabled(); | |
2796 | |
2797 if (selinux_enabled > 0) | |
2798 { | |
2799 security_context_t from_context = NULL; | |
2800 security_context_t to_context = NULL; | |
2801 | |
2802 if (getfilecon((char *)from_file, &from_context) < 0) | |
2803 { | |
2804 /* If the filesystem doesn't support extended attributes, | |
2805 the original had no special security context and the | |
2806 target cannot have one either. */ | |
2807 if (errno == EOPNOTSUPP) | |
2808 return; | |
2809 | |
2810 MSG_PUTS(_("\nCould not get security context for ")); | |
2811 msg_outtrans(from_file); | |
2812 msg_putchar('\n'); | |
2813 return; | |
2814 } | |
2815 if (getfilecon((char *)to_file, &to_context) < 0) | |
2816 { | |
2817 MSG_PUTS(_("\nCould not get security context for ")); | |
2818 msg_outtrans(to_file); | |
2819 msg_putchar('\n'); | |
2820 freecon (from_context); | |
2821 return ; | |
2822 } | |
2823 if (strcmp(from_context, to_context) != 0) | |
2824 { | |
2825 if (setfilecon((char *)to_file, from_context) < 0) | |
2826 { | |
2827 MSG_PUTS(_("\nCould not set security context for ")); | |
2828 msg_outtrans(to_file); | |
2829 msg_putchar('\n'); | |
2830 } | |
2831 } | |
2832 freecon(to_context); | |
2833 freecon(from_context); | |
2834 } | |
2835 } | |
2836 #endif /* HAVE_SELINUX */ | |
2837 | |
5788 | 2838 #if defined(HAVE_SMACK) && !defined(PROTO) |
2839 /* | |
2840 * Copy security info from "from_file" to "to_file". | |
2841 */ | |
2842 void | |
2843 mch_copy_sec(from_file, to_file) | |
2844 char_u *from_file; | |
2845 char_u *to_file; | |
2846 { | |
5832 | 2847 static const char * const smack_copied_attributes[] = |
5788 | 2848 { |
2849 XATTR_NAME_SMACK, | |
2850 XATTR_NAME_SMACKEXEC, | |
2851 XATTR_NAME_SMACKMMAP | |
2852 }; | |
2853 | |
2854 char buffer[SMACK_LABEL_LEN]; | |
2855 const char *name; | |
2856 int index; | |
2857 int ret; | |
2858 ssize_t size; | |
2859 | |
2860 if (from_file == NULL) | |
2861 return; | |
2862 | |
2863 for (index = 0 ; index < (int)(sizeof(smack_copied_attributes) | |
2864 / sizeof(smack_copied_attributes)[0]) ; index++) | |
2865 { | |
2866 /* get the name of the attribute to copy */ | |
2867 name = smack_copied_attributes[index]; | |
2868 | |
2869 /* get the value of the attribute in buffer */ | |
2870 size = getxattr((char*)from_file, name, buffer, sizeof(buffer)); | |
2871 if (size >= 0) | |
2872 { | |
2873 /* copy the attribute value of buffer */ | |
2874 ret = setxattr((char*)to_file, name, buffer, (size_t)size, 0); | |
2875 if (ret < 0) | |
2876 { | |
2877 MSG_PUTS(_("Could not set security context ")); | |
2878 MSG_PUTS(name); | |
2879 MSG_PUTS(_(" for ")); | |
2880 msg_outtrans(to_file); | |
2881 msg_putchar('\n'); | |
2882 } | |
2883 } | |
2884 else | |
2885 { | |
2886 /* what reason of not having the attribute value? */ | |
2887 switch (errno) | |
2888 { | |
2889 case ENOTSUP: | |
2890 /* extended attributes aren't supported or enabled */ | |
2891 /* should a message be echoed? not sure... */ | |
2892 return; /* leave because it isn't usefull to continue */ | |
2893 | |
2894 case ERANGE: | |
2895 default: | |
2896 /* no enough size OR unexpected error */ | |
2897 MSG_PUTS(_("Could not get security context ")); | |
2898 MSG_PUTS(name); | |
2899 MSG_PUTS(_(" for ")); | |
2900 msg_outtrans(from_file); | |
2901 MSG_PUTS(_(". Removing it!\n")); | |
2902 /* FALLTHROUGH to remove the attribute */ | |
2903 | |
2904 case ENODATA: | |
2905 /* no attribute of this name */ | |
2906 ret = removexattr((char*)to_file, name); | |
5800 | 2907 /* Silently ignore errors, apparently this happens when |
2908 * smack is not actually being used. */ | |
5788 | 2909 break; |
2910 } | |
2911 } | |
2912 } | |
2913 } | |
2914 #endif /* HAVE_SMACK */ | |
2915 | |
7 | 2916 /* |
2917 * Return a pointer to the ACL of file "fname" in allocated memory. | |
2918 * Return NULL if the ACL is not available for whatever reason. | |
2919 */ | |
2920 vim_acl_T | |
2921 mch_get_acl(fname) | |
1877 | 2922 char_u *fname UNUSED; |
7 | 2923 { |
2924 vim_acl_T ret = NULL; | |
2925 #ifdef HAVE_POSIX_ACL | |
2926 ret = (vim_acl_T)acl_get_file((char *)fname, ACL_TYPE_ACCESS); | |
2927 #else | |
3330 | 2928 #ifdef HAVE_SOLARIS_ZFS_ACL |
2929 acl_t *aclent; | |
2930 | |
2931 if (acl_get((char *)fname, 0, &aclent) < 0) | |
2932 return NULL; | |
2933 ret = (vim_acl_T)aclent; | |
2934 #else | |
7 | 2935 #ifdef HAVE_SOLARIS_ACL |
2936 vim_acl_solaris_T *aclent; | |
2937 | |
2938 aclent = malloc(sizeof(vim_acl_solaris_T)); | |
2939 if ((aclent->acl_cnt = acl((char *)fname, GETACLCNT, 0, NULL)) < 0) | |
2940 { | |
2941 free(aclent); | |
2942 return NULL; | |
2943 } | |
2944 aclent->acl_entry = malloc(aclent->acl_cnt * sizeof(aclent_t)); | |
2945 if (acl((char *)fname, GETACL, aclent->acl_cnt, aclent->acl_entry) < 0) | |
2946 { | |
2947 free(aclent->acl_entry); | |
2948 free(aclent); | |
2949 return NULL; | |
2950 } | |
2951 ret = (vim_acl_T)aclent; | |
2952 #else | |
2953 #if defined(HAVE_AIX_ACL) | |
2954 int aclsize; | |
2955 struct acl *aclent; | |
2956 | |
2957 aclsize = sizeof(struct acl); | |
2958 aclent = malloc(aclsize); | |
2959 if (statacl((char *)fname, STX_NORMAL, aclent, aclsize) < 0) | |
2960 { | |
2961 if (errno == ENOSPC) | |
2962 { | |
2963 aclsize = aclent->acl_len; | |
2964 aclent = realloc(aclent, aclsize); | |
2965 if (statacl((char *)fname, STX_NORMAL, aclent, aclsize) < 0) | |
2966 { | |
2967 free(aclent); | |
2968 return NULL; | |
2969 } | |
2970 } | |
2971 else | |
2972 { | |
2973 free(aclent); | |
2974 return NULL; | |
2975 } | |
2976 } | |
2977 ret = (vim_acl_T)aclent; | |
2978 #endif /* HAVE_AIX_ACL */ | |
2979 #endif /* HAVE_SOLARIS_ACL */ | |
3330 | 2980 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
7 | 2981 #endif /* HAVE_POSIX_ACL */ |
2982 return ret; | |
2983 } | |
2984 | |
2985 /* | |
2986 * Set the ACL of file "fname" to "acl" (unless it's NULL). | |
2987 */ | |
2988 void | |
2989 mch_set_acl(fname, aclent) | |
1877 | 2990 char_u *fname UNUSED; |
7 | 2991 vim_acl_T aclent; |
2992 { | |
2993 if (aclent == NULL) | |
2994 return; | |
2995 #ifdef HAVE_POSIX_ACL | |
2996 acl_set_file((char *)fname, ACL_TYPE_ACCESS, (acl_t)aclent); | |
2997 #else | |
3330 | 2998 #ifdef HAVE_SOLARIS_ZFS_ACL |
2999 acl_set((char *)fname, (acl_t *)aclent); | |
3000 #else | |
7 | 3001 #ifdef HAVE_SOLARIS_ACL |
3002 acl((char *)fname, SETACL, ((vim_acl_solaris_T *)aclent)->acl_cnt, | |
3003 ((vim_acl_solaris_T *)aclent)->acl_entry); | |
3004 #else | |
3005 #ifdef HAVE_AIX_ACL | |
3006 chacl((char *)fname, aclent, ((struct acl *)aclent)->acl_len); | |
3007 #endif /* HAVE_AIX_ACL */ | |
3008 #endif /* HAVE_SOLARIS_ACL */ | |
3330 | 3009 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
7 | 3010 #endif /* HAVE_POSIX_ACL */ |
3011 } | |
3012 | |
3013 void | |
3014 mch_free_acl(aclent) | |
3015 vim_acl_T aclent; | |
3016 { | |
3017 if (aclent == NULL) | |
3018 return; | |
3019 #ifdef HAVE_POSIX_ACL | |
3020 acl_free((acl_t)aclent); | |
3021 #else | |
3330 | 3022 #ifdef HAVE_SOLARIS_ZFS_ACL |
3023 acl_free((acl_t *)aclent); | |
3024 #else | |
7 | 3025 #ifdef HAVE_SOLARIS_ACL |
3026 free(((vim_acl_solaris_T *)aclent)->acl_entry); | |
3027 free(aclent); | |
3028 #else | |
3029 #ifdef HAVE_AIX_ACL | |
3030 free(aclent); | |
3031 #endif /* HAVE_AIX_ACL */ | |
3032 #endif /* HAVE_SOLARIS_ACL */ | |
3330 | 3033 #endif /* HAVE_SOLARIS_ZFS_ACL */ |
7 | 3034 #endif /* HAVE_POSIX_ACL */ |
3035 } | |
3036 #endif | |
3037 | |
3038 /* | |
3039 * Set hidden flag for "name". | |
3040 */ | |
3041 void | |
3042 mch_hide(name) | |
1877 | 3043 char_u *name UNUSED; |
7 | 3044 { |
3045 /* can't hide a file */ | |
3046 } | |
3047 | |
3048 /* | |
3049 * return TRUE if "name" is a directory | |
3050 * return FALSE if "name" is not a directory | |
3051 * return FALSE for error | |
3052 */ | |
3053 int | |
3054 mch_isdir(name) | |
3055 char_u *name; | |
3056 { | |
3057 struct stat statb; | |
3058 | |
3059 if (*name == NUL) /* Some stat()s don't flag "" as an error. */ | |
3060 return FALSE; | |
3061 if (stat((char *)name, &statb)) | |
3062 return FALSE; | |
3063 #ifdef _POSIX_SOURCE | |
3064 return (S_ISDIR(statb.st_mode) ? TRUE : FALSE); | |
3065 #else | |
3066 return ((statb.st_mode & S_IFMT) == S_IFDIR ? TRUE : FALSE); | |
3067 #endif | |
3068 } | |
3069 | |
3070 static int executable_file __ARGS((char_u *name)); | |
3071 | |
3072 /* | |
3073 * Return 1 if "name" is an executable file, 0 if not or it doesn't exist. | |
3074 */ | |
3075 static int | |
3076 executable_file(name) | |
3077 char_u *name; | |
3078 { | |
3079 struct stat st; | |
3080 | |
3081 if (stat((char *)name, &st)) | |
3082 return 0; | |
5704 | 3083 #ifdef VMS |
3084 /* Like on Unix system file can have executable rights but not necessarily | |
3085 * be an executable, but on Unix is not a default for an ordianry file to | |
3086 * have an executable flag - on VMS it is in most cases. | |
3087 * Therefore, this check does not have any sense - let keep us to the | |
3088 * conventions instead: | |
3089 * *.COM and *.EXE files are the executables - the rest are not. This is | |
3090 * not ideal but better then it was. | |
3091 */ | |
3092 int vms_executable = 0; | |
3093 if (S_ISREG(st.st_mode) && mch_access((char *)name, X_OK) == 0) | |
3094 { | |
3095 if (strstr(vms_tolower((char*)name),".exe") != NULL | |
3096 || strstr(vms_tolower((char*)name),".com")!= NULL) | |
3097 vms_executable = 1; | |
3098 } | |
3099 return vms_executable; | |
3100 #else | |
7 | 3101 return S_ISREG(st.st_mode) && mch_access((char *)name, X_OK) == 0; |
5704 | 3102 #endif |
7 | 3103 } |
3104 | |
3105 /* | |
3106 * Return 1 if "name" can be found in $PATH and executed, 0 if not. | |
3107 * Return -1 if unknown. | |
3108 */ | |
3109 int | |
5782 | 3110 mch_can_exe(name, path) |
7 | 3111 char_u *name; |
5782 | 3112 char_u **path; |
7 | 3113 { |
3114 char_u *buf; | |
3115 char_u *p, *e; | |
3116 int retval; | |
3117 | |
3118 /* If it's an absolute or relative path don't need to use $PATH. */ | |
3119 if (mch_isFullName(name) || (name[0] == '.' && (name[1] == '/' | |
3120 || (name[1] == '.' && name[2] == '/')))) | |
5704 | 3121 { |
5782 | 3122 if (executable_file(name)) |
3123 { | |
3124 if (path != NULL) | |
3125 { | |
3126 if (name[0] == '.') | |
3127 *path = FullName_save(name, TRUE); | |
3128 else | |
3129 *path = vim_strsave(name); | |
3130 } | |
3131 return TRUE; | |
3132 } | |
3133 return FALSE; | |
5704 | 3134 } |
7 | 3135 |
3136 p = (char_u *)getenv("PATH"); | |
3137 if (p == NULL || *p == NUL) | |
3138 return -1; | |
3139 buf = alloc((unsigned)(STRLEN(name) + STRLEN(p) + 2)); | |
3140 if (buf == NULL) | |
3141 return -1; | |
3142 | |
3143 /* | |
3144 * Walk through all entries in $PATH to check if "name" exists there and | |
3145 * is an executable file. | |
3146 */ | |
3147 for (;;) | |
3148 { | |
3149 e = (char_u *)strchr((char *)p, ':'); | |
3150 if (e == NULL) | |
3151 e = p + STRLEN(p); | |
3152 if (e - p <= 1) /* empty entry means current dir */ | |
3153 STRCPY(buf, "./"); | |
3154 else | |
3155 { | |
418 | 3156 vim_strncpy(buf, p, e - p); |
7 | 3157 add_pathsep(buf); |
3158 } | |
3159 STRCAT(buf, name); | |
3160 retval = executable_file(buf); | |
3161 if (retval == 1) | |
5782 | 3162 { |
3163 if (path != NULL) | |
3164 { | |
3165 if (buf[0] == '.') | |
3166 *path = FullName_save(buf, TRUE); | |
3167 else | |
3168 *path = vim_strsave(buf); | |
3169 } | |
7 | 3170 break; |
5782 | 3171 } |
7 | 3172 |
3173 if (*e != ':') | |
3174 break; | |
3175 p = e + 1; | |
3176 } | |
3177 | |
3178 vim_free(buf); | |
3179 return retval; | |
3180 } | |
3181 | |
3182 /* | |
3183 * Check what "name" is: | |
3184 * NODE_NORMAL: file or directory (or doesn't exist) | |
3185 * NODE_WRITABLE: writable device, socket, fifo, etc. | |
3186 * NODE_OTHER: non-writable things | |
3187 */ | |
3188 int | |
3189 mch_nodetype(name) | |
3190 char_u *name; | |
3191 { | |
3192 struct stat st; | |
3193 | |
3194 if (stat((char *)name, &st)) | |
3195 return NODE_NORMAL; | |
3196 if (S_ISREG(st.st_mode) || S_ISDIR(st.st_mode)) | |
3197 return NODE_NORMAL; | |
3198 #ifndef OS2 | |
3199 if (S_ISBLK(st.st_mode)) /* block device isn't writable */ | |
3200 return NODE_OTHER; | |
3201 #endif | |
3202 /* Everything else is writable? */ | |
3203 return NODE_WRITABLE; | |
3204 } | |
3205 | |
3206 void | |
3207 mch_early_init() | |
3208 { | |
3209 #ifdef HAVE_CHECK_STACK_GROWTH | |
3210 int i; | |
180 | 3211 |
7 | 3212 check_stack_growth((char *)&i); |
3213 | |
180 | 3214 # ifdef HAVE_STACK_LIMIT |
7 | 3215 get_stack_limit(); |
3216 # endif | |
3217 | |
3218 #endif | |
3219 | |
3220 /* | |
3221 * Setup an alternative stack for signals. Helps to catch signals when | |
3222 * running out of stack space. | |
3223 * Use of sigaltstack() is preferred, it's more portable. | |
3224 * Ignore any errors. | |
3225 */ | |
3226 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
1737 | 3227 signal_stack = (char *)alloc(SIGSTKSZ); |
7 | 3228 init_signal_stack(); |
3229 #endif | |
3230 } | |
3231 | |
355 | 3232 #if defined(EXITFREE) || defined(PROTO) |
3233 void | |
3234 mch_free_mem() | |
3235 { | |
359 | 3236 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
3237 if (clip_star.owned) | |
3238 clip_lose_selection(&clip_star); | |
3239 if (clip_plus.owned) | |
3240 clip_lose_selection(&clip_plus); | |
355 | 3241 # endif |
1605 | 3242 # if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) |
355 | 3243 if (xterm_Shell != (Widget)0) |
3244 XtDestroyWidget(xterm_Shell); | |
1605 | 3245 # ifndef LESSTIF_VERSION |
3246 /* Lesstif crashes here, lose some memory */ | |
355 | 3247 if (xterm_dpy != NULL) |
3248 XtCloseDisplay(xterm_dpy); | |
3249 if (app_context != (XtAppContext)NULL) | |
1605 | 3250 { |
355 | 3251 XtDestroyApplicationContext(app_context); |
1605 | 3252 # ifdef FEAT_X11 |
3253 x11_display = NULL; /* freed by XtDestroyApplicationContext() */ | |
3254 # endif | |
3255 } | |
3256 # endif | |
355 | 3257 # endif |
2277
f42e0b5ff9e9
Change remaining HAVE_GTK2 to FEAT_GUI_GTK.
Bram Moolenaar <bram@vim.org>
parents:
2275
diff
changeset
|
3258 # if defined(FEAT_X11) |
1605 | 3259 if (x11_display != NULL |
3260 # ifdef FEAT_XCLIPBOARD | |
3261 && x11_display != xterm_dpy | |
3262 # endif | |
3263 ) | |
359 | 3264 XCloseDisplay(x11_display); |
3265 # endif | |
3266 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK) | |
3267 vim_free(signal_stack); | |
3268 signal_stack = NULL; | |
3269 # endif | |
3270 # ifdef FEAT_TITLE | |
3271 vim_free(oldtitle); | |
3272 vim_free(oldicon); | |
3273 # endif | |
355 | 3274 } |
3275 #endif | |
3276 | |
7 | 3277 static void exit_scroll __ARGS((void)); |
3278 | |
3279 /* | |
3280 * Output a newline when exiting. | |
3281 * Make sure the newline goes to the same stream as the text. | |
3282 */ | |
3283 static void | |
3284 exit_scroll() | |
3285 { | |
167 | 3286 if (silent_mode) |
3287 return; | |
7 | 3288 if (newline_on_exit || msg_didout) |
3289 { | |
3290 if (msg_use_printf()) | |
3291 { | |
3292 if (info_message) | |
3293 mch_msg("\n"); | |
3294 else | |
3295 mch_errmsg("\r\n"); | |
3296 } | |
3297 else | |
3298 out_char('\n'); | |
3299 } | |
3300 else | |
3301 { | |
3302 restore_cterm_colors(); /* get original colors back */ | |
3303 msg_clr_eos_force(); /* clear the rest of the display */ | |
3304 windgoto((int)Rows - 1, 0); /* may have moved the cursor */ | |
3305 } | |
3306 } | |
3307 | |
3308 void | |
3309 mch_exit(r) | |
3310 int r; | |
3311 { | |
3312 exiting = TRUE; | |
3313 | |
3314 #if defined(FEAT_X11) && defined(FEAT_CLIPBOARD) | |
3315 x11_export_final_selection(); | |
3316 #endif | |
3317 | |
3318 #ifdef FEAT_GUI | |
3319 if (!gui.in_use) | |
3320 #endif | |
3321 { | |
3322 settmode(TMODE_COOK); | |
3323 #ifdef FEAT_TITLE | |
3324 mch_restore_title(3); /* restore xterm title and icon name */ | |
3325 #endif | |
3326 /* | |
3327 * When t_ti is not empty but it doesn't cause swapping terminal | |
3328 * pages, need to output a newline when msg_didout is set. But when | |
3329 * t_ti does swap pages it should not go to the shell page. Do this | |
3330 * before stoptermcap(). | |
3331 */ | |
3332 if (swapping_screen() && !newline_on_exit) | |
3333 exit_scroll(); | |
3334 | |
3335 /* Stop termcap: May need to check for T_CRV response, which | |
3336 * requires RAW mode. */ | |
3337 stoptermcap(); | |
3338 | |
3339 /* | |
3340 * A newline is only required after a message in the alternate screen. | |
3341 * This is set to TRUE by wait_return(). | |
3342 */ | |
3343 if (!swapping_screen() || newline_on_exit) | |
3344 exit_scroll(); | |
3345 | |
3346 /* Cursor may have been switched off without calling starttermcap() | |
3347 * when doing "vim -u vimrc" and vimrc contains ":q". */ | |
3348 if (full_screen) | |
3349 cursor_on(); | |
3350 } | |
3351 out_flush(); | |
3352 ml_close_all(TRUE); /* remove all memfiles */ | |
3353 may_core_dump(); | |
3354 #ifdef FEAT_GUI | |
3355 if (gui.in_use) | |
3356 gui_exit(r); | |
3357 #endif | |
167 | 3358 |
765 | 3359 #ifdef MACOS_CONVERT |
167 | 3360 mac_conv_cleanup(); |
3361 #endif | |
3362 | |
7 | 3363 #ifdef __QNX__ |
3364 /* A core dump won't be created if the signal handler | |
3365 * doesn't return, so we can't call exit() */ | |
3366 if (deadly_signal != 0) | |
3367 return; | |
3368 #endif | |
3369 | |
33 | 3370 #ifdef FEAT_NETBEANS_INTG |
2210 | 3371 netbeans_send_disconnect(); |
33 | 3372 #endif |
355 | 3373 |
3374 #ifdef EXITFREE | |
3375 free_all_mem(); | |
3376 #endif | |
3377 | |
7 | 3378 exit(r); |
3379 } | |
3380 | |
3381 static void | |
3382 may_core_dump() | |
3383 { | |
3384 if (deadly_signal != 0) | |
3385 { | |
3386 signal(deadly_signal, SIG_DFL); | |
3387 kill(getpid(), deadly_signal); /* Die using the signal we caught */ | |
3388 } | |
3389 } | |
3390 | |
3391 #ifndef VMS | |
3392 | |
3393 void | |
3394 mch_settmode(tmode) | |
3395 int tmode; | |
3396 { | |
3397 static int first = TRUE; | |
3398 | |
3399 /* Why is NeXT excluded here (and not in os_unixx.h)? */ | |
3400 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__) | |
3401 /* | |
3402 * for "new" tty systems | |
3403 */ | |
3404 # ifdef HAVE_TERMIOS_H | |
3405 static struct termios told; | |
3406 struct termios tnew; | |
3407 # else | |
3408 static struct termio told; | |
3409 struct termio tnew; | |
3410 # endif | |
3411 | |
3412 if (first) | |
3413 { | |
3414 first = FALSE; | |
3415 # if defined(HAVE_TERMIOS_H) | |
3416 tcgetattr(read_cmd_fd, &told); | |
3417 # else | |
3418 ioctl(read_cmd_fd, TCGETA, &told); | |
3419 # endif | |
3420 } | |
3421 | |
3422 tnew = told; | |
3423 if (tmode == TMODE_RAW) | |
3424 { | |
3425 /* | |
3426 * ~ICRNL enables typing ^V^M | |
3427 */ | |
3428 tnew.c_iflag &= ~ICRNL; | |
3429 tnew.c_lflag &= ~(ICANON | ECHO | ISIG | ECHOE | |
3430 # if defined(IEXTEN) && !defined(__MINT__) | |
3431 | IEXTEN /* IEXTEN enables typing ^V on SOLARIS */ | |
3432 /* but it breaks function keys on MINT */ | |
3433 # endif | |
3434 ); | |
3435 # ifdef ONLCR /* don't map NL -> CR NL, we do it ourselves */ | |
3436 tnew.c_oflag &= ~ONLCR; | |
3437 # endif | |
3438 tnew.c_cc[VMIN] = 1; /* return after 1 char */ | |
3439 tnew.c_cc[VTIME] = 0; /* don't wait */ | |
3440 } | |
3441 else if (tmode == TMODE_SLEEP) | |
3442 tnew.c_lflag &= ~(ECHO); | |
3443 | |
3444 # if defined(HAVE_TERMIOS_H) | |
3445 { | |
3446 int n = 10; | |
3447 | |
3448 /* A signal may cause tcsetattr() to fail (e.g., SIGCONT). Retry a | |
3449 * few times. */ | |
3450 while (tcsetattr(read_cmd_fd, TCSANOW, &tnew) == -1 | |
3451 && errno == EINTR && n > 0) | |
3452 --n; | |
3453 } | |
3454 # else | |
3455 ioctl(read_cmd_fd, TCSETA, &tnew); | |
3456 # endif | |
3457 | |
3458 #else | |
3459 | |
3460 /* | |
3461 * for "old" tty systems | |
3462 */ | |
3463 # ifndef TIOCSETN | |
3464 # define TIOCSETN TIOCSETP /* for hpux 9.0 */ | |
3465 # endif | |
3466 static struct sgttyb ttybold; | |
3467 struct sgttyb ttybnew; | |
3468 | |
3469 if (first) | |
3470 { | |
3471 first = FALSE; | |
3472 ioctl(read_cmd_fd, TIOCGETP, &ttybold); | |
3473 } | |
3474 | |
3475 ttybnew = ttybold; | |
3476 if (tmode == TMODE_RAW) | |
3477 { | |
3478 ttybnew.sg_flags &= ~(CRMOD | ECHO); | |
3479 ttybnew.sg_flags |= RAW; | |
3480 } | |
3481 else if (tmode == TMODE_SLEEP) | |
3482 ttybnew.sg_flags &= ~(ECHO); | |
3483 ioctl(read_cmd_fd, TIOCSETN, &ttybnew); | |
3484 #endif | |
3485 curr_tmode = tmode; | |
3486 } | |
3487 | |
3488 /* | |
3489 * Try to get the code for "t_kb" from the stty setting | |
3490 * | |
3491 * Even if termcap claims a backspace key, the user's setting *should* | |
3492 * prevail. stty knows more about reality than termcap does, and if | |
3493 * somebody's usual erase key is DEL (which, for most BSD users, it will | |
3494 * be), they're going to get really annoyed if their erase key starts | |
3495 * doing forward deletes for no reason. (Eric Fischer) | |
3496 */ | |
3497 void | |
3498 get_stty() | |
3499 { | |
3500 char_u buf[2]; | |
3501 char_u *p; | |
3502 | |
3503 /* Why is NeXT excluded here (and not in os_unixx.h)? */ | |
3504 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__) | |
3505 /* for "new" tty systems */ | |
3506 # ifdef HAVE_TERMIOS_H | |
3507 struct termios keys; | |
3508 # else | |
3509 struct termio keys; | |
3510 # endif | |
3511 | |
3512 # if defined(HAVE_TERMIOS_H) | |
3513 if (tcgetattr(read_cmd_fd, &keys) != -1) | |
3514 # else | |
3515 if (ioctl(read_cmd_fd, TCGETA, &keys) != -1) | |
3516 # endif | |
3517 { | |
3518 buf[0] = keys.c_cc[VERASE]; | |
3519 intr_char = keys.c_cc[VINTR]; | |
3520 #else | |
3521 /* for "old" tty systems */ | |
3522 struct sgttyb keys; | |
3523 | |
3524 if (ioctl(read_cmd_fd, TIOCGETP, &keys) != -1) | |
3525 { | |
3526 buf[0] = keys.sg_erase; | |
3527 intr_char = keys.sg_kill; | |
3528 #endif | |
3529 buf[1] = NUL; | |
3530 add_termcode((char_u *)"kb", buf, FALSE); | |
3531 | |
3532 /* | |
3533 * If <BS> and <DEL> are now the same, redefine <DEL>. | |
3534 */ | |
3535 p = find_termcode((char_u *)"kD"); | |
3536 if (p != NULL && p[0] == buf[0] && p[1] == buf[1]) | |
3537 do_fixdel(NULL); | |
3538 } | |
3539 #if 0 | |
3540 } /* to keep cindent happy */ | |
3541 #endif | |
3542 } | |
3543 | |
3544 #endif /* VMS */ | |
3545 | |
3546 #if defined(FEAT_MOUSE_TTY) || defined(PROTO) | |
3547 /* | |
3548 * Set mouse clicks on or off. | |
3549 */ | |
3550 void | |
3551 mch_setmouse(on) | |
3552 int on; | |
3553 { | |
3554 static int ison = FALSE; | |
3555 int xterm_mouse_vers; | |
3556 | |
3557 if (on == ison) /* return quickly if nothing to do */ | |
3558 return; | |
3559 | |
3560 xterm_mouse_vers = use_xterm_mouse(); | |
3145 | 3561 |
3562 # ifdef FEAT_MOUSE_URXVT | |
3746 | 3563 if (ttym_flags == TTYM_URXVT) |
3564 { | |
3145 | 3565 out_str_nf((char_u *) |
3566 (on | |
3567 ? IF_EB("\033[?1015h", ESC_STR "[?1015h") | |
3568 : IF_EB("\033[?1015l", ESC_STR "[?1015l"))); | |
3569 ison = on; | |
3570 } | |
3571 # endif | |
3572 | |
3746 | 3573 # ifdef FEAT_MOUSE_SGR |
3574 if (ttym_flags == TTYM_SGR) | |
3575 { | |
3576 out_str_nf((char_u *) | |
3577 (on | |
3578 ? IF_EB("\033[?1006h", ESC_STR "[?1006h") | |
3579 : IF_EB("\033[?1006l", ESC_STR "[?1006l"))); | |
3580 ison = on; | |
3581 } | |
3582 # endif | |
3583 | |
7 | 3584 if (xterm_mouse_vers > 0) |
3585 { | |
3586 if (on) /* enable mouse events, use mouse tracking if available */ | |
3587 out_str_nf((char_u *) | |
3588 (xterm_mouse_vers > 1 | |
3589 ? IF_EB("\033[?1002h", ESC_STR "[?1002h") | |
3590 : IF_EB("\033[?1000h", ESC_STR "[?1000h"))); | |
3591 else /* disable mouse events, could probably always send the same */ | |
3592 out_str_nf((char_u *) | |
3593 (xterm_mouse_vers > 1 | |
3594 ? IF_EB("\033[?1002l", ESC_STR "[?1002l") | |
3595 : IF_EB("\033[?1000l", ESC_STR "[?1000l"))); | |
3596 ison = on; | |
3597 } | |
3598 | |
3599 # ifdef FEAT_MOUSE_DEC | |
3600 else if (ttym_flags == TTYM_DEC) | |
3601 { | |
3602 if (on) /* enable mouse events */ | |
3603 out_str_nf((char_u *)"\033[1;2'z\033[1;3'{"); | |
3604 else /* disable mouse events */ | |
3605 out_str_nf((char_u *)"\033['z"); | |
3606 ison = on; | |
3607 } | |
3608 # endif | |
3609 | |
3610 # ifdef FEAT_MOUSE_GPM | |
3611 else | |
3612 { | |
3613 if (on) | |
3614 { | |
3615 if (gpm_open()) | |
3616 ison = TRUE; | |
3617 } | |
3618 else | |
3619 { | |
3620 gpm_close(); | |
3621 ison = FALSE; | |
3622 } | |
3623 } | |
3624 # endif | |
3625 | |
1620 | 3626 # ifdef FEAT_SYSMOUSE |
3627 else | |
3628 { | |
3629 if (on) | |
3630 { | |
3631 if (sysmouse_open() == OK) | |
3632 ison = TRUE; | |
3633 } | |
3634 else | |
3635 { | |
3636 sysmouse_close(); | |
3637 ison = FALSE; | |
3638 } | |
3639 } | |
3640 # endif | |
3641 | |
7 | 3642 # ifdef FEAT_MOUSE_JSB |
3643 else | |
3644 { | |
3645 if (on) | |
3646 { | |
3647 /* D - Enable Mouse up/down messages | |
3648 * L - Enable Left Button Reporting | |
3649 * M - Enable Middle Button Reporting | |
3650 * R - Enable Right Button Reporting | |
3651 * K - Enable SHIFT and CTRL key Reporting | |
3652 * + - Enable Advanced messaging of mouse moves and up/down messages | |
3653 * Q - Quiet No Ack | |
3654 * # - Numeric value of mouse pointer required | |
3655 * 0 = Multiview 2000 cursor, used as standard | |
3656 * 1 = Windows Arrow | |
3657 * 2 = Windows I Beam | |
3658 * 3 = Windows Hour Glass | |
3659 * 4 = Windows Cross Hair | |
3660 * 5 = Windows UP Arrow | |
3661 */ | |
4299 | 3662 # ifdef JSBTERM_MOUSE_NONADVANCED |
3663 /* Disables full feedback of pointer movements */ | |
7 | 3664 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK1Q\033\\", |
3665 ESC_STR "[0~ZwLMRK1Q" ESC_STR "\\")); | |
4299 | 3666 # else |
7 | 3667 out_str_nf((char_u *)IF_EB("\033[0~ZwLMRK+1Q\033\\", |
3668 ESC_STR "[0~ZwLMRK+1Q" ESC_STR "\\")); | |
4299 | 3669 # endif |
7 | 3670 ison = TRUE; |
3671 } | |
3672 else | |
3673 { | |
3674 out_str_nf((char_u *)IF_EB("\033[0~ZwQ\033\\", | |
3675 ESC_STR "[0~ZwQ" ESC_STR "\\")); | |
3676 ison = FALSE; | |
3677 } | |
3678 } | |
3679 # endif | |
3680 # ifdef FEAT_MOUSE_PTERM | |
3681 else | |
3682 { | |
3683 /* 1 = button press, 6 = release, 7 = drag, 1h...9l = right button */ | |
3684 if (on) | |
3685 out_str_nf("\033[>1h\033[>6h\033[>7h\033[>1h\033[>9l"); | |
3686 else | |
3687 out_str_nf("\033[>1l\033[>6l\033[>7l\033[>1l\033[>9h"); | |
3688 ison = on; | |
3689 } | |
3690 # endif | |
3691 } | |
3692 | |
3693 /* | |
3694 * Set the mouse termcode, depending on the 'term' and 'ttymouse' options. | |
3695 */ | |
3696 void | |
3697 check_mouse_termcode() | |
3698 { | |
3699 # ifdef FEAT_MOUSE_XTERM | |
3700 if (use_xterm_mouse() | |
3145 | 3701 # ifdef FEAT_MOUSE_URXVT |
3702 && use_xterm_mouse() != 3 | |
3703 # endif | |
7 | 3704 # ifdef FEAT_GUI |
3705 && !gui.in_use | |
3706 # endif | |
3707 ) | |
3708 { | |
3709 set_mouse_termcode(KS_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
180 | 3710 ? IF_EB("\233M", CSI_STR "M") |
3711 : IF_EB("\033[M", ESC_STR "[M"))); | |
7 | 3712 if (*p_mouse != NUL) |
3713 { | |
3714 /* force mouse off and maybe on to send possibly new mouse | |
3715 * activation sequence to the xterm, with(out) drag tracing. */ | |
3716 mch_setmouse(FALSE); | |
3717 setmouse(); | |
3718 } | |
3719 } | |
3720 else | |
3721 del_mouse_termcode(KS_MOUSE); | |
3722 # endif | |
3723 | |
3724 # ifdef FEAT_MOUSE_GPM | |
3725 if (!use_xterm_mouse() | |
3726 # ifdef FEAT_GUI | |
3727 && !gui.in_use | |
3728 # endif | |
3729 ) | |
3730 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MG", ESC_STR "MG")); | |
3731 # endif | |
3732 | |
1620 | 3733 # ifdef FEAT_SYSMOUSE |
3734 if (!use_xterm_mouse() | |
3735 # ifdef FEAT_GUI | |
3736 && !gui.in_use | |
3737 # endif | |
3738 ) | |
3739 set_mouse_termcode(KS_MOUSE, (char_u *)IF_EB("\033MS", ESC_STR "MS")); | |
3740 # endif | |
3741 | |
7 | 3742 # ifdef FEAT_MOUSE_JSB |
6102 | 3743 /* Conflicts with xterm mouse: "\033[" and "\033[M" ??? */ |
7 | 3744 if (!use_xterm_mouse() |
3745 # ifdef FEAT_GUI | |
3746 && !gui.in_use | |
3747 # endif | |
3748 ) | |
3749 set_mouse_termcode(KS_JSBTERM_MOUSE, | |
3750 (char_u *)IF_EB("\033[0~zw", ESC_STR "[0~zw")); | |
3751 else | |
3752 del_mouse_termcode(KS_JSBTERM_MOUSE); | |
3753 # endif | |
3754 | |
3755 # ifdef FEAT_MOUSE_NET | |
180 | 3756 /* There is no conflict, but one may type "ESC }" from Insert mode. Don't |
7 | 3757 * define it in the GUI or when using an xterm. */ |
3758 if (!use_xterm_mouse() | |
3759 # ifdef FEAT_GUI | |
3760 && !gui.in_use | |
3761 # endif | |
3762 ) | |
3763 set_mouse_termcode(KS_NETTERM_MOUSE, | |
3764 (char_u *)IF_EB("\033}", ESC_STR "}")); | |
3765 else | |
3766 del_mouse_termcode(KS_NETTERM_MOUSE); | |
3767 # endif | |
3768 | |
3769 # ifdef FEAT_MOUSE_DEC | |
6102 | 3770 /* Conflicts with xterm mouse: "\033[" and "\033[M" */ |
5932 | 3771 if (!use_xterm_mouse() |
7 | 3772 # ifdef FEAT_GUI |
3773 && !gui.in_use | |
3774 # endif | |
3775 ) | |
180 | 3776 set_mouse_termcode(KS_DEC_MOUSE, (char_u *)(term_is_8bit(T_NAME) |
3777 ? IF_EB("\233", CSI_STR) : IF_EB("\033[", ESC_STR "["))); | |
7 | 3778 else |
3779 del_mouse_termcode(KS_DEC_MOUSE); | |
3780 # endif | |
3781 # ifdef FEAT_MOUSE_PTERM | |
6102 | 3782 /* same conflict as the dec mouse */ |
5932 | 3783 if (!use_xterm_mouse() |
7 | 3784 # ifdef FEAT_GUI |
3785 && !gui.in_use | |
3786 # endif | |
3787 ) | |
3788 set_mouse_termcode(KS_PTERM_MOUSE, | |
3789 (char_u *) IF_EB("\033[", ESC_STR "[")); | |
3790 else | |
3791 del_mouse_termcode(KS_PTERM_MOUSE); | |
3792 # endif | |
3145 | 3793 # ifdef FEAT_MOUSE_URXVT |
6102 | 3794 /* same conflict as the dec mouse */ |
5932 | 3795 if (use_xterm_mouse() == 3 |
3145 | 3796 # ifdef FEAT_GUI |
3797 && !gui.in_use | |
3798 # endif | |
3799 ) | |
3800 { | |
3801 set_mouse_termcode(KS_URXVT_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
3802 ? IF_EB("\233", CSI_STR) | |
3803 : IF_EB("\033[", ESC_STR "["))); | |
3804 | |
3805 if (*p_mouse != NUL) | |
3806 { | |
3807 mch_setmouse(FALSE); | |
3808 setmouse(); | |
3809 } | |
3810 } | |
3811 else | |
3812 del_mouse_termcode(KS_URXVT_MOUSE); | |
3813 # endif | |
3746 | 3814 # ifdef FEAT_MOUSE_SGR |
5905 | 3815 /* There is no conflict with xterm mouse */ |
3746 | 3816 if (use_xterm_mouse() == 4 |
3817 # ifdef FEAT_GUI | |
3818 && !gui.in_use | |
3819 # endif | |
3820 ) | |
3821 { | |
3822 set_mouse_termcode(KS_SGR_MOUSE, (char_u *)(term_is_8bit(T_NAME) | |
3823 ? IF_EB("\233<", CSI_STR "<") | |
3824 : IF_EB("\033[<", ESC_STR "[<"))); | |
3825 | |
3826 if (*p_mouse != NUL) | |
3827 { | |
3828 mch_setmouse(FALSE); | |
3829 setmouse(); | |
3830 } | |
3831 } | |
3832 else | |
3833 del_mouse_termcode(KS_SGR_MOUSE); | |
3834 # endif | |
7 | 3835 } |
3836 #endif | |
3837 | |
3838 /* | |
3839 * set screen mode, always fails. | |
3840 */ | |
3841 int | |
3842 mch_screenmode(arg) | |
1877 | 3843 char_u *arg UNUSED; |
7 | 3844 { |
3845 EMSG(_(e_screenmode)); | |
3846 return FAIL; | |
3847 } | |
3848 | |
3849 #ifndef VMS | |
3850 | |
3851 /* | |
3852 * Try to get the current window size: | |
3853 * 1. with an ioctl(), most accurate method | |
3854 * 2. from the environment variables LINES and COLUMNS | |
3855 * 3. from the termcap | |
3856 * 4. keep using the old values | |
3857 * Return OK when size could be determined, FAIL otherwise. | |
3858 */ | |
3859 int | |
3860 mch_get_shellsize() | |
3861 { | |
3862 long rows = 0; | |
3863 long columns = 0; | |
3864 char_u *p; | |
3865 | |
3866 /* | |
3867 * For OS/2 use _scrsize(). | |
3868 */ | |
3869 # ifdef __EMX__ | |
3870 { | |
3871 int s[2]; | |
3872 | |
3873 _scrsize(s); | |
3874 columns = s[0]; | |
3875 rows = s[1]; | |
3876 } | |
3877 # endif | |
3878 | |
3879 /* | |
3880 * 1. try using an ioctl. It is the most accurate method. | |
3881 * | |
3882 * Try using TIOCGWINSZ first, some systems that have it also define | |
3883 * TIOCGSIZE but don't have a struct ttysize. | |
3884 */ | |
3885 # ifdef TIOCGWINSZ | |
3886 { | |
3887 struct winsize ws; | |
3888 int fd = 1; | |
3889 | |
3890 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
3891 if (!isatty(fd) && isatty(read_cmd_fd)) | |
3892 fd = read_cmd_fd; | |
3893 if (ioctl(fd, TIOCGWINSZ, &ws) == 0) | |
3894 { | |
3895 columns = ws.ws_col; | |
3896 rows = ws.ws_row; | |
3897 } | |
3898 } | |
3899 # else /* TIOCGWINSZ */ | |
3900 # ifdef TIOCGSIZE | |
3901 { | |
3902 struct ttysize ts; | |
3903 int fd = 1; | |
3904 | |
3905 /* When stdout is not a tty, use stdin for the ioctl(). */ | |
3906 if (!isatty(fd) && isatty(read_cmd_fd)) | |
3907 fd = read_cmd_fd; | |
3908 if (ioctl(fd, TIOCGSIZE, &ts) == 0) | |
3909 { | |
3910 columns = ts.ts_cols; | |
3911 rows = ts.ts_lines; | |
3912 } | |
3913 } | |
3914 # endif /* TIOCGSIZE */ | |
3915 # endif /* TIOCGWINSZ */ | |
3916 | |
3917 /* | |
3918 * 2. get size from environment | |
164 | 3919 * When being POSIX compliant ('|' flag in 'cpoptions') this overrules |
3920 * the ioctl() values! | |
7 | 3921 */ |
164 | 3922 if (columns == 0 || rows == 0 || vim_strchr(p_cpo, CPO_TSIZE) != NULL) |
7 | 3923 { |
3924 if ((p = (char_u *)getenv("LINES"))) | |
3925 rows = atoi((char *)p); | |
3926 if ((p = (char_u *)getenv("COLUMNS"))) | |
3927 columns = atoi((char *)p); | |
3928 } | |
3929 | |
3930 #ifdef HAVE_TGETENT | |
3931 /* | |
3932 * 3. try reading "co" and "li" entries from termcap | |
3933 */ | |
3934 if (columns == 0 || rows == 0) | |
3935 getlinecol(&columns, &rows); | |
3936 #endif | |
3937 | |
3938 /* | |
3939 * 4. If everything fails, use the old values | |
3940 */ | |
3941 if (columns <= 0 || rows <= 0) | |
3942 return FAIL; | |
3943 | |
3944 Rows = rows; | |
3945 Columns = columns; | |
5070
cf52d2a8c05c
updated for version 7.3.1278
Bram Moolenaar <bram@vim.org>
parents:
5037
diff
changeset
|
3946 limit_screen_size(); |
7 | 3947 return OK; |
3948 } | |
3949 | |
3950 /* | |
3951 * Try to set the window size to Rows and Columns. | |
3952 */ | |
3953 void | |
3954 mch_set_shellsize() | |
3955 { | |
3956 if (*T_CWS) | |
3957 { | |
3958 /* | |
3959 * NOTE: if you get an error here that term_set_winsize() is | |
3960 * undefined, check the output of configure. It could probably not | |
3961 * find a ncurses, termcap or termlib library. | |
3962 */ | |
3963 term_set_winsize((int)Rows, (int)Columns); | |
3964 out_flush(); | |
3965 screen_start(); /* don't know where cursor is now */ | |
3966 } | |
3967 } | |
3968 | |
3969 #endif /* VMS */ | |
3970 | |
3971 /* | |
3972 * Rows and/or Columns has changed. | |
3973 */ | |
3974 void | |
3975 mch_new_shellsize() | |
3976 { | |
3977 /* Nothing to do. */ | |
3978 } | |
3979 | |
3048 | 3980 /* |
3981 * Wait for process "child" to end. | |
3982 * Return "child" if it exited properly, <= 0 on error. | |
3983 */ | |
3984 static pid_t | |
3985 wait4pid(child, status) | |
3986 pid_t child; | |
3987 waitstatus *status; | |
3988 { | |
3989 pid_t wait_pid = 0; | |
3990 | |
3991 while (wait_pid != child) | |
3992 { | |
3470 | 3993 /* When compiled with Python threads are probably used, in which case |
3994 * wait() sometimes hangs for no obvious reason. Use waitpid() | |
3995 * instead and loop (like the GUI). Also needed for other interfaces, | |
3996 * they might call system(). */ | |
3997 # ifdef __NeXT__ | |
3048 | 3998 wait_pid = wait4(child, status, WNOHANG, (struct rusage *)0); |
3470 | 3999 # else |
3048 | 4000 wait_pid = waitpid(child, status, WNOHANG); |
3470 | 4001 # endif |
3048 | 4002 if (wait_pid == 0) |
4003 { | |
4074 | 4004 /* Wait for 10 msec before trying again. */ |
3048 | 4005 mch_delay(10L, TRUE); |
4006 continue; | |
4007 } | |
4008 if (wait_pid <= 0 | |
4009 # ifdef ECHILD | |
4010 && errno == ECHILD | |
4011 # endif | |
4012 ) | |
4013 break; | |
4014 } | |
4015 return wait_pid; | |
4016 } | |
4017 | |
7 | 4018 int |
4019 mch_call_shell(cmd, options) | |
4020 char_u *cmd; | |
4021 int options; /* SHELL_*, see vim.h */ | |
4022 { | |
4023 #ifdef VMS | |
4024 char *ifn = NULL; | |
4025 char *ofn = NULL; | |
4026 #endif | |
4027 int tmode = cur_tmode; | |
4028 #ifdef USE_SYSTEM /* use system() to start the shell: simple but slow */ | |
4029 int x; | |
4030 # ifndef __EMX__ | |
4031 char_u *newcmd; /* only needed for unix */ | |
4032 # else | |
4033 /* | |
4034 * Set the preferred shell in the EMXSHELL environment variable (but | |
4035 * only if it is different from what is already in the environment). | |
4036 * Emx then takes care of whether to use "/c" or "-c" in an | |
4037 * intelligent way. Simply pass the whole thing to emx's system() call. | |
4038 * Emx also starts an interactive shell if system() is passed an empty | |
4039 * string. | |
4040 */ | |
4041 char_u *p, *old; | |
4042 | |
4043 if (((old = (char_u *)getenv("EMXSHELL")) == NULL) || STRCMP(old, p_sh)) | |
4044 { | |
4045 /* should check HAVE_SETENV, but I know we don't have it. */ | |
4046 p = alloc(10 + strlen(p_sh)); | |
4047 if (p) | |
4048 { | |
4049 sprintf((char *)p, "EMXSHELL=%s", p_sh); | |
4050 putenv((char *)p); /* don't free the pointer! */ | |
4051 } | |
4052 } | |
4053 # endif | |
4054 | |
4055 out_flush(); | |
4056 | |
4057 if (options & SHELL_COOKED) | |
4058 settmode(TMODE_COOK); /* set to normal mode */ | |
4059 | |
2586 | 4060 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
4209 | 4061 save_clipboard(); |
2586 | 4062 loose_clipboard(); |
4063 # endif | |
4064 | |
7 | 4065 # ifdef __EMX__ |
4066 if (cmd == NULL) | |
4067 x = system(""); /* this starts an interactive shell in emx */ | |
4068 else | |
4069 x = system((char *)cmd); | |
4070 /* system() returns -1 when error occurs in starting shell */ | |
4071 if (x == -1 && !emsg_silent) | |
4072 { | |
4073 MSG_PUTS(_("\nCannot execute shell ")); | |
4074 msg_outtrans(p_sh); | |
4075 msg_putchar('\n'); | |
4076 } | |
4077 # else /* not __EMX__ */ | |
4078 if (cmd == NULL) | |
4079 x = system((char *)p_sh); | |
4080 else | |
4081 { | |
4082 # ifdef VMS | |
4083 if (ofn = strchr((char *)cmd, '>')) | |
4084 *ofn++ = '\0'; | |
4085 if (ifn = strchr((char *)cmd, '<')) | |
4086 { | |
4087 char *p; | |
4088 | |
4089 *ifn++ = '\0'; | |
4090 p = strchr(ifn,' '); /* chop off any trailing spaces */ | |
4091 if (p) | |
4092 *p = '\0'; | |
4093 } | |
4094 if (ofn) | |
4095 x = vms_sys((char *)cmd, ofn, ifn); | |
4096 else | |
4097 x = system((char *)cmd); | |
4098 # else | |
4099 newcmd = lalloc(STRLEN(p_sh) | |
4100 + (extra_shell_arg == NULL ? 0 : STRLEN(extra_shell_arg)) | |
4101 + STRLEN(p_shcf) + STRLEN(cmd) + 4, TRUE); | |
4102 if (newcmd == NULL) | |
4103 x = 0; | |
4104 else | |
4105 { | |
4106 sprintf((char *)newcmd, "%s %s %s %s", p_sh, | |
4107 extra_shell_arg == NULL ? "" : (char *)extra_shell_arg, | |
4108 (char *)p_shcf, | |
4109 (char *)cmd); | |
4110 x = system((char *)newcmd); | |
4111 vim_free(newcmd); | |
4112 } | |
4113 # endif | |
4114 } | |
4115 # ifdef VMS | |
4116 x = vms_sys_status(x); | |
4117 # endif | |
4118 if (emsg_silent) | |
4119 ; | |
4120 else if (x == 127) | |
4121 MSG_PUTS(_("\nCannot execute shell sh\n")); | |
4122 # endif /* __EMX__ */ | |
4123 else if (x && !(options & SHELL_SILENT)) | |
4124 { | |
4125 MSG_PUTS(_("\nshell returned ")); | |
4126 msg_outnum((long)x); | |
4127 msg_putchar('\n'); | |
4128 } | |
4129 | |
4130 if (tmode == TMODE_RAW) | |
4131 settmode(TMODE_RAW); /* set to raw mode */ | |
4132 # ifdef FEAT_TITLE | |
4133 resettitle(); | |
4134 # endif | |
4209 | 4135 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) |
4136 restore_clipboard(); | |
4137 # endif | |
7 | 4138 return x; |
4139 | |
4140 #else /* USE_SYSTEM */ /* don't use system(), use fork()/exec() */ | |
4141 | |
167 | 4142 # define EXEC_FAILED 122 /* Exit code when shell didn't execute. Don't use |
4143 127, some shells use that already */ | |
7 | 4144 |
4145 char_u *newcmd = NULL; | |
4146 pid_t pid; | |
167 | 4147 pid_t wpid = 0; |
7 | 4148 pid_t wait_pid = 0; |
4149 # ifdef HAVE_UNION_WAIT | |
4150 union wait status; | |
4151 # else | |
4152 int status = -1; | |
4153 # endif | |
4154 int retval = -1; | |
4155 char **argv = NULL; | |
4156 int argc; | |
2994 | 4157 char_u *p_shcf_copy = NULL; |
7 | 4158 int i; |
4159 char_u *p; | |
4160 int inquote; | |
167 | 4161 int pty_master_fd = -1; /* for pty's */ |
7 | 4162 # ifdef FEAT_GUI |
4163 int pty_slave_fd = -1; | |
4164 char *tty_name; | |
167 | 4165 # endif |
602 | 4166 int fd_toshell[2]; /* for pipes */ |
7 | 4167 int fd_fromshell[2]; |
4168 int pipe_error = FALSE; | |
167 | 4169 # ifdef HAVE_SETENV |
7 | 4170 char envbuf[50]; |
167 | 4171 # else |
7 | 4172 static char envbuf_Rows[20]; |
4173 static char envbuf_Columns[20]; | |
4174 # endif | |
602 | 4175 int did_settmode = FALSE; /* settmode(TMODE_RAW) called */ |
7 | 4176 |
2586 | 4177 newcmd = vim_strsave(p_sh); |
4178 if (newcmd == NULL) /* out of memory */ | |
4179 goto error; | |
4180 | |
7 | 4181 out_flush(); |
4182 if (options & SHELL_COOKED) | |
4183 settmode(TMODE_COOK); /* set to normal mode */ | |
4184 | |
602 | 4185 /* |
4186 * Do this loop twice: | |
4187 * 1: find number of arguments | |
4188 * 2: separate them and build argv[] | |
4189 */ | |
7 | 4190 for (i = 0; i < 2; ++i) |
4191 { | |
4192 p = newcmd; | |
4193 inquote = FALSE; | |
4194 argc = 0; | |
4195 for (;;) | |
4196 { | |
4197 if (i == 1) | |
4198 argv[argc] = (char *)p; | |
4199 ++argc; | |
4200 while (*p && (inquote || (*p != ' ' && *p != TAB))) | |
4201 { | |
4202 if (*p == '"') | |
4203 inquote = !inquote; | |
4204 ++p; | |
4205 } | |
4206 if (*p == NUL) | |
4207 break; | |
4208 if (i == 1) | |
4209 *p++ = NUL; | |
4210 p = skipwhite(p); | |
4211 } | |
840 | 4212 if (argv == NULL) |
7 | 4213 { |
2994 | 4214 /* |
4215 * Account for possible multiple args in p_shcf. | |
4216 */ | |
4217 p = p_shcf; | |
4218 for (;;) | |
4219 { | |
4220 p = skiptowhite(p); | |
4221 if (*p == NUL) | |
4222 break; | |
4223 ++argc; | |
4224 p = skipwhite(p); | |
4225 } | |
4226 | |
7 | 4227 argv = (char **)alloc((unsigned)((argc + 4) * sizeof(char *))); |
4228 if (argv == NULL) /* out of memory */ | |
4229 goto error; | |
4230 } | |
4231 } | |
4232 if (cmd != NULL) | |
4233 { | |
3263 | 4234 char_u *s; |
4235 | |
7 | 4236 if (extra_shell_arg != NULL) |
4237 argv[argc++] = (char *)extra_shell_arg; | |
2994 | 4238 |
4239 /* Break 'shellcmdflag' into white separated parts. This doesn't | |
4240 * handle quoted strings, they are very unlikely to appear. */ | |
4241 p_shcf_copy = alloc((unsigned)STRLEN(p_shcf) + 1); | |
4242 if (p_shcf_copy == NULL) /* out of memory */ | |
4243 goto error; | |
4244 s = p_shcf_copy; | |
4245 p = p_shcf; | |
4246 while (*p != NUL) | |
4247 { | |
4248 argv[argc++] = (char *)s; | |
4249 while (*p && *p != ' ' && *p != TAB) | |
4250 *s++ = *p++; | |
4251 *s++ = NUL; | |
4252 p = skipwhite(p); | |
4253 } | |
4254 | |
7 | 4255 argv[argc++] = (char *)cmd; |
4256 } | |
4257 argv[argc] = NULL; | |
4258 | |
167 | 4259 /* |
4260 * For the GUI, when writing the output into the buffer and when reading | |
4261 * input from the buffer: Try using a pseudo-tty to get the stdin/stdout | |
4262 * of the executed command into the Vim window. Or use a pipe. | |
4263 */ | |
4264 if ((options & (SHELL_READ|SHELL_WRITE)) | |
7 | 4265 # ifdef FEAT_GUI |
167 | 4266 || (gui.in_use && show_shell_mess) |
4267 # endif | |
4268 ) | |
7 | 4269 { |
167 | 4270 # ifdef FEAT_GUI |
7 | 4271 /* |
4272 * Try to open a master pty. | |
4273 * If this works, open the slave pty. | |
4274 * If the slave can't be opened, close the master pty. | |
4275 */ | |
167 | 4276 if (p_guipty && !(options & (SHELL_READ|SHELL_WRITE))) |
7 | 4277 { |
4278 pty_master_fd = OpenPTY(&tty_name); /* open pty */ | |
2992 | 4279 if (pty_master_fd >= 0) |
7 | 4280 { |
2992 | 4281 /* Leaving out O_NOCTTY may lead to waitpid() always returning |
4282 * 0 on Mac OS X 10.7 thereby causing freezes. Let's assume | |
4283 * adding O_NOCTTY always works when defined. */ | |
4284 #ifdef O_NOCTTY | |
4285 pty_slave_fd = open(tty_name, O_RDWR | O_NOCTTY | O_EXTRA, 0); | |
4286 #else | |
4287 pty_slave_fd = open(tty_name, O_RDWR | O_EXTRA, 0); | |
4288 #endif | |
4289 if (pty_slave_fd < 0) | |
4290 { | |
4291 close(pty_master_fd); | |
4292 pty_master_fd = -1; | |
4293 } | |
7 | 4294 } |
4295 } | |
4296 /* | |
4297 * If not opening a pty or it didn't work, try using pipes. | |
4298 */ | |
4299 if (pty_master_fd < 0) | |
167 | 4300 # endif |
7 | 4301 { |
4302 pipe_error = (pipe(fd_toshell) < 0); | |
4303 if (!pipe_error) /* pipe create OK */ | |
4304 { | |
4305 pipe_error = (pipe(fd_fromshell) < 0); | |
4306 if (pipe_error) /* pipe create failed */ | |
4307 { | |
4308 close(fd_toshell[0]); | |
4309 close(fd_toshell[1]); | |
4310 } | |
4311 } | |
4312 if (pipe_error) | |
4313 { | |
4314 MSG_PUTS(_("\nCannot create pipes\n")); | |
4315 out_flush(); | |
4316 } | |
4317 } | |
4318 } | |
4319 | |
4320 if (!pipe_error) /* pty or pipe opened or not used */ | |
4321 { | |
4322 # ifdef __BEOS__ | |
4323 beos_cleanup_read_thread(); | |
4324 # endif | |
602 | 4325 |
7 | 4326 if ((pid = fork()) == -1) /* maybe we should use vfork() */ |
4327 { | |
4328 MSG_PUTS(_("\nCannot fork\n")); | |
167 | 4329 if ((options & (SHELL_READ|SHELL_WRITE)) |
7 | 4330 # ifdef FEAT_GUI |
167 | 4331 || (gui.in_use && show_shell_mess) |
4332 # endif | |
4333 ) | |
7 | 4334 { |
167 | 4335 # ifdef FEAT_GUI |
7 | 4336 if (pty_master_fd >= 0) /* close the pseudo tty */ |
4337 { | |
4338 close(pty_master_fd); | |
4339 close(pty_slave_fd); | |
4340 } | |
4341 else /* close the pipes */ | |
167 | 4342 # endif |
7 | 4343 { |
4344 close(fd_toshell[0]); | |
4345 close(fd_toshell[1]); | |
4346 close(fd_fromshell[0]); | |
4347 close(fd_fromshell[1]); | |
4348 } | |
4349 } | |
4350 } | |
4351 else if (pid == 0) /* child */ | |
4352 { | |
4353 reset_signals(); /* handle signals normally */ | |
4354 | |
4355 if (!show_shell_mess || (options & SHELL_EXPAND)) | |
4356 { | |
4357 int fd; | |
4358 | |
4359 /* | |
4360 * Don't want to show any message from the shell. Can't just | |
4361 * close stdout and stderr though, because some systems will | |
4362 * break if you try to write to them after that, so we must | |
4363 * use dup() to replace them with something else -- webb | |
4364 * Connect stdin to /dev/null too, so ":n `cat`" doesn't hang, | |
4365 * waiting for input. | |
4366 */ | |
4367 fd = open("/dev/null", O_RDWR | O_EXTRA, 0); | |
4368 fclose(stdin); | |
4369 fclose(stdout); | |
4370 fclose(stderr); | |
4371 | |
4372 /* | |
4373 * If any of these open()'s and dup()'s fail, we just continue | |
4374 * anyway. It's not fatal, and on most systems it will make | |
4375 * no difference at all. On a few it will cause the execvp() | |
4376 * to exit with a non-zero status even when the completion | |
4377 * could be done, which is nothing too serious. If the open() | |
4378 * or dup() failed we'd just do the same thing ourselves | |
4379 * anyway -- webb | |
4380 */ | |
4381 if (fd >= 0) | |
4382 { | |
1757 | 4383 ignored = dup(fd); /* To replace stdin (fd 0) */ |
4384 ignored = dup(fd); /* To replace stdout (fd 1) */ | |
4385 ignored = dup(fd); /* To replace stderr (fd 2) */ | |
7 | 4386 |
4387 /* Don't need this now that we've duplicated it */ | |
4388 close(fd); | |
4389 } | |
4390 } | |
167 | 4391 else if ((options & (SHELL_READ|SHELL_WRITE)) |
7 | 4392 # ifdef FEAT_GUI |
167 | 4393 || gui.in_use |
4394 # endif | |
4395 ) | |
7 | 4396 { |
4397 | |
167 | 4398 # ifdef HAVE_SETSID |
602 | 4399 /* Create our own process group, so that the child and all its |
4400 * children can be kill()ed. Don't do this when using pipes, | |
1698 | 4401 * because stdin is not a tty, we would lose /dev/tty. */ |
602 | 4402 if (p_stmp) |
1799 | 4403 { |
602 | 4404 (void)setsid(); |
1799 | 4405 # if defined(SIGHUP) |
4406 /* When doing "!xterm&" and 'shell' is bash: the shell | |
4407 * will exit and send SIGHUP to all processes in its | |
4408 * group, killing the just started process. Ignore SIGHUP | |
4409 * to avoid that. (suggested by Simon Schubert) | |
4410 */ | |
4411 signal(SIGHUP, SIG_IGN); | |
4412 # endif | |
4413 } | |
167 | 4414 # endif |
4415 # ifdef FEAT_GUI | |
602 | 4416 if (pty_slave_fd >= 0) |
4417 { | |
4418 /* push stream discipline modules */ | |
4419 if (options & SHELL_COOKED) | |
4420 SetupSlavePTY(pty_slave_fd); | |
7 | 4421 # ifdef TIOCSCTTY |
602 | 4422 /* Try to become controlling tty (probably doesn't work, |
4423 * unless run by root) */ | |
4424 ioctl(pty_slave_fd, TIOCSCTTY, (char *)NULL); | |
7 | 4425 # endif |
602 | 4426 } |
167 | 4427 # endif |
7 | 4428 /* Simulate to have a dumb terminal (for now) */ |
167 | 4429 # ifdef HAVE_SETENV |
7 | 4430 setenv("TERM", "dumb", 1); |
4431 sprintf((char *)envbuf, "%ld", Rows); | |
4432 setenv("ROWS", (char *)envbuf, 1); | |
4433 sprintf((char *)envbuf, "%ld", Rows); | |
4434 setenv("LINES", (char *)envbuf, 1); | |
4435 sprintf((char *)envbuf, "%ld", Columns); | |
4436 setenv("COLUMNS", (char *)envbuf, 1); | |
167 | 4437 # else |
7 | 4438 /* |
4439 * Putenv does not copy the string, it has to remain valid. | |
1698 | 4440 * Use a static array to avoid losing allocated memory. |
7 | 4441 */ |
4442 putenv("TERM=dumb"); | |
4443 sprintf(envbuf_Rows, "ROWS=%ld", Rows); | |
4444 putenv(envbuf_Rows); | |
4445 sprintf(envbuf_Rows, "LINES=%ld", Rows); | |
4446 putenv(envbuf_Rows); | |
4447 sprintf(envbuf_Columns, "COLUMNS=%ld", Columns); | |
4448 putenv(envbuf_Columns); | |
167 | 4449 # endif |
4450 | |
557 | 4451 /* |
4452 * stderr is only redirected when using the GUI, so that a | |
4453 * program like gpg can still access the terminal to get a | |
4454 * passphrase using stderr. | |
4455 */ | |
167 | 4456 # ifdef FEAT_GUI |
7 | 4457 if (pty_master_fd >= 0) |
4458 { | |
4459 close(pty_master_fd); /* close master side of pty */ | |
4460 | |
4461 /* set up stdin/stdout/stderr for the child */ | |
4462 close(0); | |
1757 | 4463 ignored = dup(pty_slave_fd); |
7 | 4464 close(1); |
1757 | 4465 ignored = dup(pty_slave_fd); |
557 | 4466 if (gui.in_use) |
4467 { | |
4468 close(2); | |
1757 | 4469 ignored = dup(pty_slave_fd); |
557 | 4470 } |
7 | 4471 |
4472 close(pty_slave_fd); /* has been dupped, close it now */ | |
4473 } | |
4474 else | |
167 | 4475 # endif |
7 | 4476 { |
4477 /* set up stdin for the child */ | |
4478 close(fd_toshell[1]); | |
4479 close(0); | |
1757 | 4480 ignored = dup(fd_toshell[0]); |
7 | 4481 close(fd_toshell[0]); |
4482 | |
4483 /* set up stdout for the child */ | |
4484 close(fd_fromshell[0]); | |
4485 close(1); | |
1757 | 4486 ignored = dup(fd_fromshell[1]); |
7 | 4487 close(fd_fromshell[1]); |
4488 | |
557 | 4489 # ifdef FEAT_GUI |
4490 if (gui.in_use) | |
4491 { | |
4492 /* set up stderr for the child */ | |
4493 close(2); | |
1757 | 4494 ignored = dup(1); |
557 | 4495 } |
4496 # endif | |
7 | 4497 } |
4498 } | |
167 | 4499 |
7 | 4500 /* |
4501 * There is no type cast for the argv, because the type may be | |
4502 * different on different machines. This may cause a warning | |
4503 * message with strict compilers, don't worry about it. | |
4504 * Call _exit() instead of exit() to avoid closing the connection | |
4505 * to the X server (esp. with GTK, which uses atexit()). | |
4506 */ | |
4507 execvp(argv[0], argv); | |
4508 _exit(EXEC_FAILED); /* exec failed, return failure code */ | |
4509 } | |
4510 else /* parent */ | |
4511 { | |
4512 /* | |
4513 * While child is running, ignore terminating signals. | |
167 | 4514 * Do catch CTRL-C, so that "got_int" is set. |
7 | 4515 */ |
4516 catch_signals(SIG_IGN, SIG_ERR); | |
167 | 4517 catch_int_signal(); |
7 | 4518 |
4519 /* | |
4520 * For the GUI we redirect stdin, stdout and stderr to our window. | |
167 | 4521 * This is also used to pipe stdin/stdout to/from the external |
4522 * command. | |
7 | 4523 */ |
167 | 4524 if ((options & (SHELL_READ|SHELL_WRITE)) |
4525 # ifdef FEAT_GUI | |
4526 || (gui.in_use && show_shell_mess) | |
4527 # endif | |
4528 ) | |
7 | 4529 { |
167 | 4530 # define BUFLEN 100 /* length for buffer, pseudo tty limit is 128 */ |
7 | 4531 char_u buffer[BUFLEN + 1]; |
167 | 4532 # ifdef FEAT_MBYTE |
7 | 4533 int buffer_off = 0; /* valid bytes in buffer[] */ |
167 | 4534 # endif |
7 | 4535 char_u ta_buf[BUFLEN + 1]; /* TypeAHead */ |
4536 int ta_len = 0; /* valid bytes in ta_buf[] */ | |
4537 int len; | |
4538 int p_more_save; | |
4539 int old_State; | |
4540 int c; | |
4541 int toshell_fd; | |
4542 int fromshell_fd; | |
167 | 4543 garray_T ga; |
4544 int noread_cnt; | |
1823 | 4545 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
4546 struct timeval start_tv; | |
4547 # endif | |
167 | 4548 |
4549 # ifdef FEAT_GUI | |
7 | 4550 if (pty_master_fd >= 0) |
4551 { | |
4552 fromshell_fd = pty_master_fd; | |
4553 toshell_fd = dup(pty_master_fd); | |
4554 } | |
4555 else | |
167 | 4556 # endif |
7 | 4557 { |
4558 close(fd_toshell[0]); | |
4559 close(fd_fromshell[1]); | |
4560 toshell_fd = fd_toshell[1]; | |
4561 fromshell_fd = fd_fromshell[0]; | |
4562 } | |
4563 | |
4564 /* | |
4565 * Write to the child if there are typed characters. | |
4566 * Read from the child if there are characters available. | |
4567 * Repeat the reading a few times if more characters are | |
4568 * available. Need to check for typed keys now and then, but | |
4569 * not too often (delays when no chars are available). | |
4570 * This loop is quit if no characters can be read from the pty | |
4571 * (WaitForChar detected special condition), or there are no | |
4572 * characters available and the child has exited. | |
4573 * Only check if the child has exited when there is no more | |
4574 * output. The child may exit before all the output has | |
4575 * been printed. | |
4576 * | |
4577 * Currently this busy loops! | |
4578 * This can probably dead-lock when the write blocks! | |
4579 */ | |
4580 p_more_save = p_more; | |
4581 p_more = FALSE; | |
4582 old_State = State; | |
4583 State = EXTERNCMD; /* don't redraw at window resize */ | |
4584 | |
602 | 4585 if ((options & SHELL_WRITE) && toshell_fd >= 0) |
167 | 4586 { |
4587 /* Fork a process that will write the lines to the | |
4588 * external program. */ | |
4589 if ((wpid = fork()) == -1) | |
4590 { | |
4591 MSG_PUTS(_("\nCannot fork\n")); | |
4592 } | |
3048 | 4593 else if (wpid == 0) /* child */ |
167 | 4594 { |
4595 linenr_T lnum = curbuf->b_op_start.lnum; | |
4596 int written = 0; | |
944 | 4597 char_u *lp = ml_get(lnum); |
167 | 4598 size_t l; |
4599 | |
177 | 4600 close(fromshell_fd); |
167 | 4601 for (;;) |
4602 { | |
944 | 4603 l = STRLEN(lp + written); |
167 | 4604 if (l == 0) |
4605 len = 0; | |
944 | 4606 else if (lp[written] == NL) |
167 | 4607 /* NL -> NUL translation */ |
4608 len = write(toshell_fd, "", (size_t)1); | |
4609 else | |
4610 { | |
3263 | 4611 char_u *s = vim_strchr(lp + written, NL); |
4612 | |
944 | 4613 len = write(toshell_fd, (char *)lp + written, |
1877 | 4614 s == NULL ? l |
4615 : (size_t)(s - (lp + written))); | |
167 | 4616 } |
1877 | 4617 if (len == (int)l) |
167 | 4618 { |
4619 /* Finished a line, add a NL, unless this line | |
4620 * should not have one. */ | |
4621 if (lnum != curbuf->b_op_end.lnum | |
4622 || !curbuf->b_p_bin | |
2707 | 4623 || (lnum != curbuf->b_no_eol_lnum |
167 | 4624 && (lnum != |
4625 curbuf->b_ml.ml_line_count | |
4626 || curbuf->b_p_eol))) | |
1757 | 4627 ignored = write(toshell_fd, "\n", |
4628 (size_t)1); | |
167 | 4629 ++lnum; |
4630 if (lnum > curbuf->b_op_end.lnum) | |
4631 { | |
4632 /* finished all the lines, close pipe */ | |
4633 close(toshell_fd); | |
4634 toshell_fd = -1; | |
4635 break; | |
4636 } | |
944 | 4637 lp = ml_get(lnum); |
167 | 4638 written = 0; |
4639 } | |
4640 else if (len > 0) | |
4641 written += len; | |
4642 } | |
4643 _exit(0); | |
4644 } | |
3048 | 4645 else /* parent */ |
167 | 4646 { |
4647 close(toshell_fd); | |
4648 toshell_fd = -1; | |
4649 } | |
4650 } | |
4651 | |
4652 if (options & SHELL_READ) | |
4653 ga_init2(&ga, 1, BUFLEN); | |
4654 | |
4655 noread_cnt = 0; | |
1823 | 4656 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) |
4657 gettimeofday(&start_tv, NULL); | |
4658 # endif | |
7 | 4659 for (;;) |
4660 { | |
4661 /* | |
4662 * Check if keys have been typed, write them to the child | |
592 | 4663 * if there are any. |
4664 * Don't do this if we are expanding wild cards (would eat | |
4665 * typeahead). | |
4666 * Don't do this when filtering and terminal is in cooked | |
4667 * mode, the shell command will handle the I/O. Avoids | |
4668 * that a typed password is echoed for ssh or gpg command. | |
602 | 4669 * Don't get characters when the child has already |
4670 * finished (wait_pid == 0). | |
167 | 4671 * Don't read characters unless we didn't get output for a |
1823 | 4672 * while (noread_cnt > 4), avoids that ":r !ls" eats |
4673 * typeahead. | |
7 | 4674 */ |
4675 len = 0; | |
4676 if (!(options & SHELL_EXPAND) | |
592 | 4677 && ((options & |
4678 (SHELL_READ|SHELL_WRITE|SHELL_COOKED)) | |
4679 != (SHELL_READ|SHELL_WRITE|SHELL_COOKED) | |
1823 | 4680 # ifdef FEAT_GUI |
592 | 4681 || gui.in_use |
1823 | 4682 # endif |
592 | 4683 ) |
602 | 4684 && wait_pid == 0 |
1823 | 4685 && (ta_len > 0 || noread_cnt > 4)) |
7 | 4686 { |
1823 | 4687 if (ta_len == 0) |
4688 { | |
4689 /* Get extra characters when we don't have any. | |
4690 * Reset the counter and timer. */ | |
4691 noread_cnt = 0; | |
4692 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
4693 gettimeofday(&start_tv, NULL); | |
4694 # endif | |
4695 len = ui_inchar(ta_buf, BUFLEN, 10L, 0); | |
4696 } | |
4697 if (ta_len > 0 || len > 0) | |
4698 { | |
7 | 4699 /* |
4700 * For pipes: | |
4701 * Check for CTRL-C: send interrupt signal to child. | |
4702 * Check for CTRL-D: EOF, close pipe to child. | |
4703 */ | |
4704 if (len == 1 && (pty_master_fd < 0 || cmd != NULL)) | |
4705 { | |
167 | 4706 # ifdef SIGINT |
7 | 4707 /* |
4708 * Send SIGINT to the child's group or all | |
4709 * processes in our group. | |
4710 */ | |
4711 if (ta_buf[ta_len] == Ctrl_C | |
4712 || ta_buf[ta_len] == intr_char) | |
167 | 4713 { |
4714 # ifdef HAVE_SETSID | |
7 | 4715 kill(-pid, SIGINT); |
167 | 4716 # else |
7 | 4717 kill(0, SIGINT); |
4718 # endif | |
167 | 4719 if (wpid > 0) |
4720 kill(wpid, SIGINT); | |
4721 } | |
4722 # endif | |
7 | 4723 if (pty_master_fd < 0 && toshell_fd >= 0 |
4724 && ta_buf[ta_len] == Ctrl_D) | |
4725 { | |
4726 close(toshell_fd); | |
4727 toshell_fd = -1; | |
4728 } | |
4729 } | |
4730 | |
4731 /* replace K_BS by <BS> and K_DEL by <DEL> */ | |
4732 for (i = ta_len; i < ta_len + len; ++i) | |
4733 { | |
4734 if (ta_buf[i] == CSI && len - i > 2) | |
4735 { | |
4736 c = TERMCAP2KEY(ta_buf[i + 1], ta_buf[i + 2]); | |
4737 if (c == K_DEL || c == K_KDEL || c == K_BS) | |
4738 { | |
4739 mch_memmove(ta_buf + i + 1, ta_buf + i + 3, | |
4740 (size_t)(len - i - 2)); | |
4741 if (c == K_DEL || c == K_KDEL) | |
4742 ta_buf[i] = DEL; | |
4743 else | |
4744 ta_buf[i] = Ctrl_H; | |
4745 len -= 2; | |
4746 } | |
4747 } | |
4748 else if (ta_buf[i] == '\r') | |
4749 ta_buf[i] = '\n'; | |
167 | 4750 # ifdef FEAT_MBYTE |
7 | 4751 if (has_mbyte) |
1903 | 4752 i += (*mb_ptr2len_len)(ta_buf + i, |
4753 ta_len + len - i) - 1; | |
167 | 4754 # endif |
7 | 4755 } |
4756 | |
4757 /* | |
4758 * For pipes: echo the typed characters. | |
4759 * For a pty this does not seem to work. | |
4760 */ | |
4761 if (pty_master_fd < 0) | |
4762 { | |
4763 for (i = ta_len; i < ta_len + len; ++i) | |
4764 { | |
4765 if (ta_buf[i] == '\n' || ta_buf[i] == '\b') | |
4766 msg_putchar(ta_buf[i]); | |
167 | 4767 # ifdef FEAT_MBYTE |
7 | 4768 else if (has_mbyte) |
4769 { | |
474 | 4770 int l = (*mb_ptr2len)(ta_buf + i); |
7 | 4771 |
4772 msg_outtrans_len(ta_buf + i, l); | |
4773 i += l - 1; | |
4774 } | |
167 | 4775 # endif |
7 | 4776 else |
4777 msg_outtrans_len(ta_buf + i, 1); | |
4778 } | |
4779 windgoto(msg_row, msg_col); | |
4780 out_flush(); | |
4781 } | |
4782 | |
4783 ta_len += len; | |
4784 | |
4785 /* | |
4786 * Write the characters to the child, unless EOF has | |
4787 * been typed for pipes. Write one character at a | |
1698 | 4788 * time, to avoid losing too much typeahead. |
167 | 4789 * When writing buffer lines, drop the typed |
4790 * characters (only check for CTRL-C). | |
7 | 4791 */ |
167 | 4792 if (options & SHELL_WRITE) |
4793 ta_len = 0; | |
4794 else if (toshell_fd >= 0) | |
7 | 4795 { |
4796 len = write(toshell_fd, (char *)ta_buf, (size_t)1); | |
4797 if (len > 0) | |
4798 { | |
4799 ta_len -= len; | |
4800 mch_memmove(ta_buf, ta_buf + len, ta_len); | |
4801 } | |
4802 } | |
1823 | 4803 } |
7 | 4804 } |
4805 | |
167 | 4806 if (got_int) |
4807 { | |
4808 /* CTRL-C sends a signal to the child, we ignore it | |
4809 * ourselves */ | |
4810 # ifdef HAVE_SETSID | |
4811 kill(-pid, SIGINT); | |
4812 # else | |
4813 kill(0, SIGINT); | |
4814 # endif | |
4815 if (wpid > 0) | |
4816 kill(wpid, SIGINT); | |
4817 got_int = FALSE; | |
4818 } | |
4819 | |
7 | 4820 /* |
4821 * Check if the child has any characters to be printed. | |
4822 * Read them and write them to our window. Repeat this as | |
4823 * long as there is something to do, avoid the 10ms wait | |
4824 * for mch_inchar(), or sending typeahead characters to | |
4825 * the external process. | |
4826 * TODO: This should handle escape sequences, compatible | |
4827 * to some terminal (vt52?). | |
4828 */ | |
167 | 4829 ++noread_cnt; |
7 | 4830 while (RealWaitForChar(fromshell_fd, 10L, NULL)) |
4831 { | |
2664 | 4832 len = read_eintr(fromshell_fd, buffer |
167 | 4833 # ifdef FEAT_MBYTE |
7 | 4834 + buffer_off, (size_t)(BUFLEN - buffer_off) |
167 | 4835 # else |
7 | 4836 , (size_t)BUFLEN |
167 | 4837 # endif |
7 | 4838 ); |
4839 if (len <= 0) /* end of file or error */ | |
4840 goto finished; | |
167 | 4841 |
4842 noread_cnt = 0; | |
4843 if (options & SHELL_READ) | |
4844 { | |
4845 /* Do NUL -> NL translation, append NL separated | |
4846 * lines to the current buffer. */ | |
4847 for (i = 0; i < len; ++i) | |
4848 { | |
4849 if (buffer[i] == NL) | |
4850 append_ga_line(&ga); | |
4851 else if (buffer[i] == NUL) | |
4852 ga_append(&ga, NL); | |
4853 else | |
4854 ga_append(&ga, buffer[i]); | |
4855 } | |
4856 } | |
4857 # ifdef FEAT_MBYTE | |
4858 else if (has_mbyte) | |
7 | 4859 { |
4860 int l; | |
4861 | |
167 | 4862 len += buffer_off; |
4863 buffer[len] = NUL; | |
4864 | |
7 | 4865 /* Check if the last character in buffer[] is |
4866 * incomplete, keep these bytes for the next | |
4867 * round. */ | |
4868 for (p = buffer; p < buffer + len; p += l) | |
4869 { | |
474 | 4870 l = mb_cptr2len(p); |
7 | 4871 if (l == 0) |
4872 l = 1; /* NUL byte? */ | |
4873 else if (MB_BYTE2LEN(*p) != l) | |
4874 break; | |
4875 } | |
4876 if (p == buffer) /* no complete character */ | |
4877 { | |
4878 /* avoid getting stuck at an illegal byte */ | |
4879 if (len >= 12) | |
4880 ++p; | |
4881 else | |
4882 { | |
4883 buffer_off = len; | |
4884 continue; | |
4885 } | |
4886 } | |
4887 c = *p; | |
4888 *p = NUL; | |
4889 msg_puts(buffer); | |
4890 if (p < buffer + len) | |
4891 { | |
4892 *p = c; | |
4893 buffer_off = (buffer + len) - p; | |
4894 mch_memmove(buffer, p, buffer_off); | |
4895 continue; | |
4896 } | |
4897 buffer_off = 0; | |
4898 } | |
167 | 4899 # endif /* FEAT_MBYTE */ |
7 | 4900 else |
4901 { | |
4902 buffer[len] = NUL; | |
4903 msg_puts(buffer); | |
4904 } | |
4905 | |
4906 windgoto(msg_row, msg_col); | |
4907 cursor_on(); | |
4908 out_flush(); | |
4909 if (got_int) | |
4910 break; | |
1823 | 4911 |
4912 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
4913 { | |
4914 struct timeval now_tv; | |
4915 long msec; | |
4916 | |
4917 /* Avoid that we keep looping here without | |
4918 * checking for a CTRL-C for a long time. Don't | |
4919 * break out too often to avoid losing typeahead. */ | |
4920 gettimeofday(&now_tv, NULL); | |
4921 msec = (now_tv.tv_sec - start_tv.tv_sec) * 1000L | |
4922 + (now_tv.tv_usec - start_tv.tv_usec) / 1000L; | |
4923 if (msec > 2000) | |
4924 { | |
4925 noread_cnt = 5; | |
4926 break; | |
4927 } | |
4928 } | |
4929 # endif | |
7 | 4930 } |
4931 | |
602 | 4932 /* If we already detected the child has finished break the |
4933 * loop now. */ | |
4934 if (wait_pid == pid) | |
4935 break; | |
4936 | |
7 | 4937 /* |
4938 * Check if the child still exists, before checking for | |
1698 | 4939 * typed characters (otherwise we would lose typeahead). |
7 | 4940 */ |
167 | 4941 # ifdef __NeXT__ |
3048 | 4942 wait_pid = wait4(pid, &status, WNOHANG, (struct rusage *)0); |
167 | 4943 # else |
7 | 4944 wait_pid = waitpid(pid, &status, WNOHANG); |
167 | 4945 # endif |
7 | 4946 if ((wait_pid == (pid_t)-1 && errno == ECHILD) |
4947 || (wait_pid == pid && WIFEXITED(status))) | |
4948 { | |
602 | 4949 /* Don't break the loop yet, try reading more |
4950 * characters from "fromshell_fd" first. When using | |
4951 * pipes there might still be something to read and | |
4952 * then we'll break the loop at the "break" above. */ | |
7 | 4953 wait_pid = pid; |
4954 } | |
602 | 4955 else |
4956 wait_pid = 0; | |
4230 | 4957 |
4248 | 4958 # if defined(FEAT_XCLIPBOARD) && defined(FEAT_X11) |
4230 | 4959 /* Handle any X events, e.g. serving the clipboard. */ |
4960 clip_update(); | |
4961 # endif | |
7 | 4962 } |
4963 finished: | |
4964 p_more = p_more_save; | |
167 | 4965 if (options & SHELL_READ) |
4966 { | |
4967 if (ga.ga_len > 0) | |
4968 { | |
4969 append_ga_line(&ga); | |
4970 /* remember that the NL was missing */ | |
2707 | 4971 curbuf->b_no_eol_lnum = curwin->w_cursor.lnum; |
167 | 4972 } |
4973 else | |
2707 | 4974 curbuf->b_no_eol_lnum = 0; |
167 | 4975 ga_clear(&ga); |
4976 } | |
4977 | |
7 | 4978 /* |
4979 * Give all typeahead that wasn't used back to ui_inchar(). | |
4980 */ | |
4981 if (ta_len) | |
4982 ui_inchar_undo(ta_buf, ta_len); | |
4983 State = old_State; | |
4984 if (toshell_fd >= 0) | |
4985 close(toshell_fd); | |
4986 close(fromshell_fd); | |
4987 } | |
4248 | 4988 # if defined(FEAT_XCLIPBOARD) && defined(FEAT_X11) |
4230 | 4989 else |
4990 { | |
4991 /* | |
4992 * Similar to the loop above, but only handle X events, no | |
4993 * I/O. | |
4994 */ | |
4995 for (;;) | |
4996 { | |
4997 if (got_int) | |
4998 { | |
4999 /* CTRL-C sends a signal to the child, we ignore it | |
5000 * ourselves */ | |
5001 # ifdef HAVE_SETSID | |
5002 kill(-pid, SIGINT); | |
5003 # else | |
5004 kill(0, SIGINT); | |
5005 # endif | |
5006 got_int = FALSE; | |
5007 } | |
5008 # ifdef __NeXT__ | |
5009 wait_pid = wait4(pid, &status, WNOHANG, (struct rusage *)0); | |
5010 # else | |
5011 wait_pid = waitpid(pid, &status, WNOHANG); | |
5012 # endif | |
5013 if ((wait_pid == (pid_t)-1 && errno == ECHILD) | |
5014 || (wait_pid == pid && WIFEXITED(status))) | |
5015 { | |
5016 wait_pid = pid; | |
5017 break; | |
5018 } | |
5019 | |
5020 /* Handle any X events, e.g. serving the clipboard. */ | |
5021 clip_update(); | |
5022 | |
5023 mch_delay(10L, TRUE); | |
5024 } | |
5025 } | |
5026 # endif | |
7 | 5027 |
5028 /* | |
5029 * Wait until our child has exited. | |
5030 * Ignore wait() returning pids of other children and returning | |
5031 * because of some signal like SIGWINCH. | |
5032 * Don't wait if wait_pid was already set above, indicating the | |
5033 * child already exited. | |
5034 */ | |
3048 | 5035 if (wait_pid != pid) |
5036 wait_pid = wait4pid(pid, &status); | |
7 | 5037 |
2600 | 5038 # ifdef FEAT_GUI |
5039 /* Close slave side of pty. Only do this after the child has | |
5040 * exited, otherwise the child may hang when it tries to write on | |
5041 * the pty. */ | |
5042 if (pty_master_fd >= 0) | |
5043 close(pty_slave_fd); | |
5044 # endif | |
5045 | |
167 | 5046 /* Make sure the child that writes to the external program is |
5047 * dead. */ | |
5048 if (wpid > 0) | |
3048 | 5049 { |
167 | 5050 kill(wpid, SIGKILL); |
3048 | 5051 wait4pid(wpid, NULL); |
5052 } | |
167 | 5053 |
7 | 5054 /* |
5055 * Set to raw mode right now, otherwise a CTRL-C after | |
5056 * catch_signals() will kill Vim. | |
5057 */ | |
5058 if (tmode == TMODE_RAW) | |
5059 settmode(TMODE_RAW); | |
5060 did_settmode = TRUE; | |
5061 set_signals(); | |
5062 | |
5063 if (WIFEXITED(status)) | |
5064 { | |
129 | 5065 /* LINTED avoid "bitwise operation on signed value" */ |
7 | 5066 retval = WEXITSTATUS(status); |
4074 | 5067 if (retval != 0 && !emsg_silent) |
7 | 5068 { |
5069 if (retval == EXEC_FAILED) | |
5070 { | |
5071 MSG_PUTS(_("\nCannot execute shell ")); | |
5072 msg_outtrans(p_sh); | |
5073 msg_putchar('\n'); | |
5074 } | |
5075 else if (!(options & SHELL_SILENT)) | |
5076 { | |
5077 MSG_PUTS(_("\nshell returned ")); | |
5078 msg_outnum((long)retval); | |
5079 msg_putchar('\n'); | |
5080 } | |
5081 } | |
5082 } | |
5083 else | |
5084 MSG_PUTS(_("\nCommand terminated\n")); | |
5085 } | |
5086 } | |
5087 vim_free(argv); | |
2994 | 5088 vim_free(p_shcf_copy); |
7 | 5089 |
5090 error: | |
5091 if (!did_settmode) | |
5092 if (tmode == TMODE_RAW) | |
5093 settmode(TMODE_RAW); /* set to raw mode */ | |
5094 # ifdef FEAT_TITLE | |
5095 resettitle(); | |
5096 # endif | |
5097 vim_free(newcmd); | |
5098 | |
5099 return retval; | |
5100 | |
5101 #endif /* USE_SYSTEM */ | |
5102 } | |
5103 | |
5104 /* | |
5105 * Check for CTRL-C typed by reading all available characters. | |
5106 * In cooked mode we should get SIGINT, no need to check. | |
5107 */ | |
5108 void | |
5109 mch_breakcheck() | |
5110 { | |
5111 if (curr_tmode == TMODE_RAW && RealWaitForChar(read_cmd_fd, 0L, NULL)) | |
5112 fill_input_buf(FALSE); | |
5113 } | |
5114 | |
5115 /* | |
5116 * Wait "msec" msec until a character is available from the keyboard or from | |
5117 * inbuf[]. msec == -1 will block forever. | |
5118 * When a GUI is being used, this will never get called -- webb | |
5119 */ | |
5120 static int | |
5121 WaitForChar(msec) | |
5122 long msec; | |
5123 { | |
5124 #ifdef FEAT_MOUSE_GPM | |
5125 int gpm_process_wanted; | |
5126 #endif | |
5127 #ifdef FEAT_XCLIPBOARD | |
5128 int rest; | |
5129 #endif | |
5130 int avail; | |
5131 | |
5132 if (input_available()) /* something in inbuf[] */ | |
5133 return 1; | |
5134 | |
5135 #if defined(FEAT_MOUSE_DEC) | |
5136 /* May need to query the mouse position. */ | |
5137 if (WantQueryMouse) | |
5138 { | |
227 | 5139 WantQueryMouse = FALSE; |
7 | 5140 mch_write((char_u *)IF_EB("\033[1'|", ESC_STR "[1'|"), 5); |
5141 } | |
5142 #endif | |
5143 | |
5144 /* | |
5145 * For FEAT_MOUSE_GPM and FEAT_XCLIPBOARD we loop here to process mouse | |
5146 * events. This is a bit complicated, because they might both be defined. | |
5147 */ | |
5148 #if defined(FEAT_MOUSE_GPM) || defined(FEAT_XCLIPBOARD) | |
5149 # ifdef FEAT_XCLIPBOARD | |
5150 rest = 0; | |
5151 if (do_xterm_trace()) | |
5152 rest = msec; | |
5153 # endif | |
5154 do | |
5155 { | |
5156 # ifdef FEAT_XCLIPBOARD | |
5157 if (rest != 0) | |
5158 { | |
5159 msec = XT_TRACE_DELAY; | |
5160 if (rest >= 0 && rest < XT_TRACE_DELAY) | |
5161 msec = rest; | |
5162 if (rest >= 0) | |
5163 rest -= msec; | |
5164 } | |
5165 # endif | |
5166 # ifdef FEAT_MOUSE_GPM | |
5167 gpm_process_wanted = 0; | |
5168 avail = RealWaitForChar(read_cmd_fd, msec, &gpm_process_wanted); | |
5169 # else | |
5170 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
5171 # endif | |
5172 if (!avail) | |
5173 { | |
5174 if (input_available()) | |
5175 return 1; | |
5176 # ifdef FEAT_XCLIPBOARD | |
5177 if (rest == 0 || !do_xterm_trace()) | |
5178 # endif | |
5179 break; | |
5180 } | |
5181 } | |
5182 while (FALSE | |
5183 # ifdef FEAT_MOUSE_GPM | |
5184 || (gpm_process_wanted && mch_gpm_process() == 0) | |
5185 # endif | |
5186 # ifdef FEAT_XCLIPBOARD | |
5187 || (!avail && rest != 0) | |
5188 # endif | |
5189 ); | |
5190 | |
5191 #else | |
5192 avail = RealWaitForChar(read_cmd_fd, msec, NULL); | |
5193 #endif | |
5194 return avail; | |
5195 } | |
5196 | |
5541 | 5197 #ifndef VMS |
7 | 5198 /* |
5199 * Wait "msec" msec until a character is available from file descriptor "fd". | |
3046 | 5200 * "msec" == 0 will check for characters once. |
5201 * "msec" == -1 will block until a character is available. | |
7 | 5202 * When a GUI is being used, this will not be used for input -- webb |
5203 * Returns also, when a request from Sniff is waiting -- toni. | |
5204 * Or when a Linux GPM mouse event is waiting. | |
5205 */ | |
5206 #if defined(__BEOS__) | |
5207 int | |
5208 #else | |
5209 static int | |
5210 #endif | |
5211 RealWaitForChar(fd, msec, check_for_gpm) | |
5212 int fd; | |
5213 long msec; | |
1877 | 5214 int *check_for_gpm UNUSED; |
7 | 5215 { |
5216 int ret; | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5217 #ifdef FEAT_NETBEANS_INTG |
2210 | 5218 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
|
5219 #endif |
14 | 5220 #if defined(FEAT_XCLIPBOARD) || defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
7 | 5221 static int busy = FALSE; |
5222 | |
5223 /* May retry getting characters after an event was handled. */ | |
5224 # define MAY_LOOP | |
5225 | |
5226 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
5227 /* Remember at what time we started, so that we know how much longer we | |
5228 * should wait after being interrupted. */ | |
5229 # define USE_START_TV | |
5230 struct timeval start_tv; | |
5231 | |
5232 if (msec > 0 && ( | |
5233 # ifdef FEAT_XCLIPBOARD | |
5234 xterm_Shell != (Widget)0 | |
14 | 5235 # if defined(USE_XSMP) || defined(FEAT_MZSCHEME) |
7 | 5236 || |
5237 # endif | |
5238 # endif | |
5239 # ifdef USE_XSMP | |
5240 xsmp_icefd != -1 | |
14 | 5241 # ifdef FEAT_MZSCHEME |
5242 || | |
5243 # endif | |
5244 # endif | |
5245 # ifdef FEAT_MZSCHEME | |
5246 (mzthreads_allowed() && p_mzq > 0) | |
7 | 5247 # endif |
5248 )) | |
5249 gettimeofday(&start_tv, NULL); | |
5250 # endif | |
5251 | |
5252 /* Handle being called recursively. This may happen for the session | |
5253 * manager stuff, it may save the file, which does a breakcheck. */ | |
5254 if (busy) | |
5255 return 0; | |
5256 #endif | |
5257 | |
5258 #ifdef MAY_LOOP | |
407 | 5259 for (;;) |
7 | 5260 #endif |
5261 { | |
5262 #ifdef MAY_LOOP | |
5263 int finished = TRUE; /* default is to 'loop' just once */ | |
14 | 5264 # ifdef FEAT_MZSCHEME |
5265 int mzquantum_used = FALSE; | |
5266 # endif | |
7 | 5267 #endif |
5268 #ifndef HAVE_SELECT | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5269 struct pollfd fds[6]; |
7 | 5270 int nfd; |
5271 # ifdef FEAT_XCLIPBOARD | |
5272 int xterm_idx = -1; | |
5273 # endif | |
5274 # ifdef FEAT_MOUSE_GPM | |
5275 int gpm_idx = -1; | |
5276 # endif | |
5277 # ifdef USE_XSMP | |
5278 int xsmp_idx = -1; | |
5279 # endif | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5280 # ifdef FEAT_NETBEANS_INTG |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5281 int nb_idx = -1; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5282 # endif |
14 | 5283 int towait = (int)msec; |
5284 | |
5285 # ifdef FEAT_MZSCHEME | |
5286 mzvim_check_threads(); | |
5287 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
5288 { | |
5289 towait = (int)p_mzq; /* don't wait longer than 'mzquantum' */ | |
5290 mzquantum_used = TRUE; | |
5291 } | |
5292 # endif | |
7 | 5293 fds[0].fd = fd; |
5294 fds[0].events = POLLIN; | |
5295 nfd = 1; | |
5296 | |
5297 # ifdef FEAT_SNIFF | |
5298 # define SNIFF_IDX 1 | |
5299 if (want_sniff_request) | |
5300 { | |
5301 fds[SNIFF_IDX].fd = fd_from_sniff; | |
5302 fds[SNIFF_IDX].events = POLLIN; | |
5303 nfd++; | |
5304 } | |
5305 # endif | |
5306 # ifdef FEAT_XCLIPBOARD | |
6383 | 5307 may_restore_clipboard(); |
7 | 5308 if (xterm_Shell != (Widget)0) |
5309 { | |
5310 xterm_idx = nfd; | |
5311 fds[nfd].fd = ConnectionNumber(xterm_dpy); | |
5312 fds[nfd].events = POLLIN; | |
5313 nfd++; | |
5314 } | |
5315 # endif | |
5316 # ifdef FEAT_MOUSE_GPM | |
5317 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
5318 { | |
5319 gpm_idx = nfd; | |
5320 fds[nfd].fd = gpm_fd; | |
5321 fds[nfd].events = POLLIN; | |
5322 nfd++; | |
5323 } | |
5324 # endif | |
5325 # ifdef USE_XSMP | |
5326 if (xsmp_icefd != -1) | |
5327 { | |
5328 xsmp_idx = nfd; | |
5329 fds[nfd].fd = xsmp_icefd; | |
5330 fds[nfd].events = POLLIN; | |
5331 nfd++; | |
5332 } | |
5333 # endif | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5334 #ifdef FEAT_NETBEANS_INTG |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5335 if (nb_fd != -1) |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5336 { |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5337 nb_idx = nfd; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5338 fds[nfd].fd = nb_fd; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5339 fds[nfd].events = POLLIN; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5340 nfd++; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5341 } |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5342 #endif |
7 | 5343 |
14 | 5344 ret = poll(fds, nfd, towait); |
5345 # ifdef FEAT_MZSCHEME | |
5346 if (ret == 0 && mzquantum_used) | |
1450 | 5347 /* MzThreads scheduling is required and timeout occurred */ |
14 | 5348 finished = FALSE; |
5349 # endif | |
7 | 5350 |
5351 # ifdef FEAT_SNIFF | |
5352 if (ret < 0) | |
5353 sniff_disconnect(1); | |
5354 else if (want_sniff_request) | |
5355 { | |
5356 if (fds[SNIFF_IDX].revents & POLLHUP) | |
5357 sniff_disconnect(1); | |
5358 if (fds[SNIFF_IDX].revents & POLLIN) | |
5359 sniff_request_waiting = 1; | |
5360 } | |
5361 # endif | |
5362 # ifdef FEAT_XCLIPBOARD | |
5363 if (xterm_Shell != (Widget)0 && (fds[xterm_idx].revents & POLLIN)) | |
5364 { | |
5365 xterm_update(); /* Maybe we should hand out clipboard */ | |
5366 if (--ret == 0 && !input_available()) | |
5367 /* Try again */ | |
5368 finished = FALSE; | |
5369 } | |
5370 # endif | |
5371 # ifdef FEAT_MOUSE_GPM | |
5372 if (gpm_idx >= 0 && (fds[gpm_idx].revents & POLLIN)) | |
5373 { | |
5374 *check_for_gpm = 1; | |
5375 } | |
5376 # endif | |
5377 # ifdef USE_XSMP | |
5378 if (xsmp_idx >= 0 && (fds[xsmp_idx].revents & (POLLIN | POLLHUP))) | |
5379 { | |
5380 if (fds[xsmp_idx].revents & POLLIN) | |
5381 { | |
5382 busy = TRUE; | |
5383 xsmp_handle_requests(); | |
5384 busy = FALSE; | |
5385 } | |
5386 else if (fds[xsmp_idx].revents & POLLHUP) | |
5387 { | |
5388 if (p_verbose > 0) | |
292 | 5389 verb_msg((char_u *)_("XSMP lost ICE connection")); |
7 | 5390 xsmp_close(); |
5391 } | |
5392 if (--ret == 0) | |
14 | 5393 finished = FALSE; /* Try again */ |
7 | 5394 } |
5395 # endif | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5396 #ifdef FEAT_NETBEANS_INTG |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5397 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
|
5398 { |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5399 netbeans_read(); |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5400 --ret; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5401 } |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5402 #endif |
7 | 5403 |
5404 | |
5405 #else /* HAVE_SELECT */ | |
5406 | |
5407 struct timeval tv; | |
14 | 5408 struct timeval *tvp; |
7 | 5409 fd_set rfds, efds; |
5410 int maxfd; | |
14 | 5411 long towait = msec; |
5412 | |
5413 # ifdef FEAT_MZSCHEME | |
5414 mzvim_check_threads(); | |
5415 if (mzthreads_allowed() && p_mzq > 0 && (msec < 0 || msec > p_mzq)) | |
5416 { | |
5417 towait = p_mzq; /* don't wait longer than 'mzquantum' */ | |
5418 mzquantum_used = TRUE; | |
5419 } | |
5420 # endif | |
7 | 5421 # ifdef __EMX__ |
5422 /* don't check for incoming chars if not in raw mode, because select() | |
5423 * always returns TRUE then (in some version of emx.dll) */ | |
5424 if (curr_tmode != TMODE_RAW) | |
5425 return 0; | |
5426 # endif | |
5427 | |
14 | 5428 if (towait >= 0) |
7 | 5429 { |
14 | 5430 tv.tv_sec = towait / 1000; |
5431 tv.tv_usec = (towait % 1000) * (1000000/1000); | |
5432 tvp = &tv; | |
7 | 5433 } |
14 | 5434 else |
5435 tvp = NULL; | |
7 | 5436 |
5437 /* | |
5438 * Select on ready for reading and exceptional condition (end of file). | |
5439 */ | |
3046 | 5440 select_eintr: |
5441 FD_ZERO(&rfds); | |
7 | 5442 FD_ZERO(&efds); |
5443 FD_SET(fd, &rfds); | |
5444 # if !defined(__QNX__) && !defined(__CYGWIN32__) | |
5445 /* For QNX select() always returns 1 if this is set. Why? */ | |
5446 FD_SET(fd, &efds); | |
5447 # endif | |
5448 maxfd = fd; | |
5449 | |
5450 # ifdef FEAT_SNIFF | |
5451 if (want_sniff_request) | |
5452 { | |
5453 FD_SET(fd_from_sniff, &rfds); | |
5454 FD_SET(fd_from_sniff, &efds); | |
5455 if (maxfd < fd_from_sniff) | |
5456 maxfd = fd_from_sniff; | |
5457 } | |
5458 # endif | |
5459 # ifdef FEAT_XCLIPBOARD | |
6383 | 5460 may_restore_clipboard(); |
7 | 5461 if (xterm_Shell != (Widget)0) |
5462 { | |
5463 FD_SET(ConnectionNumber(xterm_dpy), &rfds); | |
5464 if (maxfd < ConnectionNumber(xterm_dpy)) | |
5465 maxfd = ConnectionNumber(xterm_dpy); | |
3748 | 5466 |
5467 /* An event may have already been read but not handled. In | |
5468 * particulary, XFlush may cause this. */ | |
5469 xterm_update(); | |
7 | 5470 } |
5471 # endif | |
5472 # ifdef FEAT_MOUSE_GPM | |
5473 if (check_for_gpm != NULL && gpm_flag && gpm_fd >= 0) | |
5474 { | |
5475 FD_SET(gpm_fd, &rfds); | |
5476 FD_SET(gpm_fd, &efds); | |
5477 if (maxfd < gpm_fd) | |
5478 maxfd = gpm_fd; | |
5479 } | |
5480 # endif | |
5481 # ifdef USE_XSMP | |
5482 if (xsmp_icefd != -1) | |
5483 { | |
5484 FD_SET(xsmp_icefd, &rfds); | |
5485 FD_SET(xsmp_icefd, &efds); | |
5486 if (maxfd < xsmp_icefd) | |
5487 maxfd = xsmp_icefd; | |
5488 } | |
5489 # endif | |
3748 | 5490 # ifdef FEAT_NETBEANS_INTG |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5491 if (nb_fd != -1) |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5492 { |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5493 FD_SET(nb_fd, &rfds); |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5494 if (maxfd < nb_fd) |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5495 maxfd = nb_fd; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5496 } |
3748 | 5497 # endif |
7 | 5498 |
14 | 5499 ret = select(maxfd + 1, &rfds, NULL, &efds, tvp); |
3046 | 5500 # ifdef EINTR |
5501 if (ret == -1 && errno == EINTR) | |
3133 | 5502 { |
5503 /* Check whether window has been resized, EINTR may be caused by | |
5504 * SIGWINCH. */ | |
5505 if (do_resize) | |
5506 handle_resize(); | |
5507 | |
3046 | 5508 /* Interrupted by a signal, need to try again. We ignore msec |
5509 * here, because we do want to check even after a timeout if | |
5510 * characters are available. Needed for reading output of an | |
5511 * external command after the process has finished. */ | |
5512 goto select_eintr; | |
3133 | 5513 } |
3046 | 5514 # endif |
1076 | 5515 # ifdef __TANDEM |
5516 if (ret == -1 && errno == ENOTSUP) | |
5517 { | |
5518 FD_ZERO(&rfds); | |
5519 FD_ZERO(&efds); | |
5520 ret = 0; | |
5521 } | |
3046 | 5522 # endif |
14 | 5523 # ifdef FEAT_MZSCHEME |
5524 if (ret == 0 && mzquantum_used) | |
1450 | 5525 /* loop if MzThreads must be scheduled and timeout occurred */ |
14 | 5526 finished = FALSE; |
7 | 5527 # endif |
5528 | |
5529 # ifdef FEAT_SNIFF | |
5530 if (ret < 0 ) | |
5531 sniff_disconnect(1); | |
5532 else if (ret > 0 && want_sniff_request) | |
5533 { | |
5534 if (FD_ISSET(fd_from_sniff, &efds)) | |
5535 sniff_disconnect(1); | |
5536 if (FD_ISSET(fd_from_sniff, &rfds)) | |
5537 sniff_request_waiting = 1; | |
5538 } | |
5539 # endif | |
5540 # ifdef FEAT_XCLIPBOARD | |
5541 if (ret > 0 && xterm_Shell != (Widget)0 | |
5542 && FD_ISSET(ConnectionNumber(xterm_dpy), &rfds)) | |
5543 { | |
5544 xterm_update(); /* Maybe we should hand out clipboard */ | |
5545 /* continue looping when we only got the X event and the input | |
5546 * buffer is empty */ | |
5547 if (--ret == 0 && !input_available()) | |
5548 { | |
5549 /* Try again */ | |
5550 finished = FALSE; | |
5551 } | |
5552 } | |
5553 # endif | |
5554 # ifdef FEAT_MOUSE_GPM | |
5555 if (ret > 0 && gpm_flag && check_for_gpm != NULL && gpm_fd >= 0) | |
5556 { | |
5557 if (FD_ISSET(gpm_fd, &efds)) | |
5558 gpm_close(); | |
5559 else if (FD_ISSET(gpm_fd, &rfds)) | |
5560 *check_for_gpm = 1; | |
5561 } | |
5562 # endif | |
5563 # ifdef USE_XSMP | |
5564 if (ret > 0 && xsmp_icefd != -1) | |
5565 { | |
5566 if (FD_ISSET(xsmp_icefd, &efds)) | |
5567 { | |
5568 if (p_verbose > 0) | |
292 | 5569 verb_msg((char_u *)_("XSMP lost ICE connection")); |
7 | 5570 xsmp_close(); |
5571 if (--ret == 0) | |
5572 finished = FALSE; /* keep going if event was only one */ | |
5573 } | |
5574 else if (FD_ISSET(xsmp_icefd, &rfds)) | |
5575 { | |
5576 busy = TRUE; | |
5577 xsmp_handle_requests(); | |
5578 busy = FALSE; | |
5579 if (--ret == 0) | |
5580 finished = FALSE; /* keep going if event was only one */ | |
5581 } | |
5582 } | |
5583 # endif | |
2209
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5584 #ifdef FEAT_NETBEANS_INTG |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5585 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
|
5586 { |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5587 netbeans_read(); |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5588 --ret; |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5589 } |
d0ddf7ba1630
Included the patch to support netbeans in a terminal.
Bram Moolenaar <bram@vim.org>
parents:
2074
diff
changeset
|
5590 #endif |
7 | 5591 |
5592 #endif /* HAVE_SELECT */ | |
5593 | |
5594 #ifdef MAY_LOOP | |
5595 if (finished || msec == 0) | |
5596 break; | |
5597 | |
5598 /* We're going to loop around again, find out for how long */ | |
5599 if (msec > 0) | |
5600 { | |
5601 # ifdef USE_START_TV | |
5602 struct timeval mtv; | |
5603 | |
5604 /* Compute remaining wait time. */ | |
5605 gettimeofday(&mtv, NULL); | |
5606 msec -= (mtv.tv_sec - start_tv.tv_sec) * 1000L | |
5607 + (mtv.tv_usec - start_tv.tv_usec) / 1000L; | |
5608 # else | |
5609 /* Guess we got interrupted halfway. */ | |
5610 msec = msec / 2; | |
5611 # endif | |
5612 if (msec <= 0) | |
5613 break; /* waited long enough */ | |
5614 } | |
5615 #endif | |
5616 } | |
5617 | |
5618 return (ret > 0); | |
5619 } | |
5620 | |
5621 #ifndef NO_EXPANDPATH | |
5622 /* | |
444 | 5623 * Expand a path into all matching files and/or directories. Handles "*", |
5624 * "?", "[a-z]", "**", etc. | |
5625 * "path" has backslashes before chars that are not to be expanded. | |
5626 * Returns the number of matches found. | |
7 | 5627 */ |
5628 int | |
5629 mch_expandpath(gap, path, flags) | |
5630 garray_T *gap; | |
5631 char_u *path; | |
5632 int flags; /* EW_* flags */ | |
5633 { | |
444 | 5634 return unix_expandpath(gap, path, 0, flags, FALSE); |
7 | 5635 } |
5636 #endif | |
5637 | |
5638 /* | |
5639 * mch_expand_wildcards() - this code does wild-card pattern matching using | |
5640 * the shell | |
5641 * | |
5642 * return OK for success, FAIL for error (you may lose some memory) and put | |
5643 * an error message in *file. | |
5644 * | |
5645 * num_pat is number of input patterns | |
5646 * pat is array of pointers to input patterns | |
5647 * num_file is pointer to number of matched file names | |
5648 * file is pointer to array of pointers to matched file names | |
5649 */ | |
5650 | |
5651 #ifndef SEEK_SET | |
5652 # define SEEK_SET 0 | |
5653 #endif | |
5654 #ifndef SEEK_END | |
5655 # define SEEK_END 2 | |
5656 #endif | |
5657 | |
822 | 5658 #define SHELL_SPECIAL (char_u *)"\t \"&'$;<>()\\|" |
628 | 5659 |
7 | 5660 int |
5661 mch_expand_wildcards(num_pat, pat, num_file, file, flags) | |
5662 int num_pat; | |
5663 char_u **pat; | |
5664 int *num_file; | |
5665 char_u ***file; | |
5666 int flags; /* EW_* flags */ | |
5667 { | |
5668 int i; | |
5669 size_t len; | |
5670 char_u *p; | |
5671 int dir; | |
5672 #ifdef __EMX__ | |
1508 | 5673 /* |
5674 * This is the OS/2 implementation. | |
5675 */ | |
7 | 5676 # define EXPL_ALLOC_INC 16 |
5677 char_u **expl_files; | |
5678 size_t files_alloced, files_free; | |
5679 char_u *buf; | |
5680 int has_wildcard; | |
5681 | |
5682 *num_file = 0; /* default: no files found */ | |
5683 files_alloced = EXPL_ALLOC_INC; /* how much space is allocated */ | |
5684 files_free = EXPL_ALLOC_INC; /* how much space is not used */ | |
5685 *file = (char_u **)alloc(sizeof(char_u **) * files_alloced); | |
5686 if (*file == NULL) | |
5687 return FAIL; | |
5688 | |
5689 for (; num_pat > 0; num_pat--, pat++) | |
5690 { | |
5691 expl_files = NULL; | |
5692 if (vim_strchr(*pat, '$') || vim_strchr(*pat, '~')) | |
5693 /* expand environment var or home dir */ | |
5694 buf = expand_env_save(*pat); | |
5695 else | |
5696 buf = vim_strsave(*pat); | |
5697 expl_files = NULL; | |
99 | 5698 has_wildcard = mch_has_exp_wildcard(buf); /* (still) wildcards? */ |
7 | 5699 if (has_wildcard) /* yes, so expand them */ |
5700 expl_files = (char_u **)_fnexplode(buf); | |
5701 | |
5702 /* | |
5703 * return value of buf if no wildcards left, | |
5704 * OR if no match AND EW_NOTFOUND is set. | |
5705 */ | |
5706 if ((!has_wildcard && ((flags & EW_NOTFOUND) || mch_getperm(buf) >= 0)) | |
5707 || (expl_files == NULL && (flags & EW_NOTFOUND))) | |
5708 { /* simply save the current contents of *buf */ | |
5709 expl_files = (char_u **)alloc(sizeof(char_u **) * 2); | |
5710 if (expl_files != NULL) | |
5711 { | |
5712 expl_files[0] = vim_strsave(buf); | |
5713 expl_files[1] = NULL; | |
5714 } | |
5715 } | |
5716 vim_free(buf); | |
5717 | |
5718 /* | |
5719 * Count number of names resulting from expansion, | |
5720 * At the same time add a backslash to the end of names that happen to | |
5721 * be directories, and replace slashes with backslashes. | |
5722 */ | |
5723 if (expl_files) | |
5724 { | |
5725 for (i = 0; (p = expl_files[i]) != NULL; i++) | |
5726 { | |
5727 dir = mch_isdir(p); | |
5728 /* If we don't want dirs and this is one, skip it */ | |
5729 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
5730 continue; | |
5731 | |
715 | 5732 /* Skip files that are not executable if we check for that. */ |
5782 | 5733 if (!dir && (flags & EW_EXEC) && !mch_can_exe(p, NULL)) |
715 | 5734 continue; |
5735 | |
7 | 5736 if (--files_free == 0) |
5737 { | |
5738 /* need more room in table of pointers */ | |
5739 files_alloced += EXPL_ALLOC_INC; | |
5740 *file = (char_u **)vim_realloc(*file, | |
5741 sizeof(char_u **) * files_alloced); | |
5742 if (*file == NULL) | |
5743 { | |
5744 EMSG(_(e_outofmem)); | |
5745 *num_file = 0; | |
5746 return FAIL; | |
5747 } | |
5748 files_free = EXPL_ALLOC_INC; | |
5749 } | |
5750 slash_adjust(p); | |
5751 if (dir) | |
5752 { | |
5753 /* For a directory we add a '/', unless it's already | |
5754 * there. */ | |
5755 len = STRLEN(p); | |
5756 if (((*file)[*num_file] = alloc(len + 2)) != NULL) | |
5757 { | |
5758 STRCPY((*file)[*num_file], p); | |
902 | 5759 if (!after_pathsep((*file)[*num_file], |
5760 (*file)[*num_file] + len)) | |
7 | 5761 { |
5762 (*file)[*num_file][len] = psepc; | |
39 | 5763 (*file)[*num_file][len + 1] = NUL; |
7 | 5764 } |
5765 } | |
5766 } | |
5767 else | |
5768 { | |
5769 (*file)[*num_file] = vim_strsave(p); | |
5770 } | |
5771 | |
5772 /* | |
5773 * Error message already given by either alloc or vim_strsave. | |
5774 * Should return FAIL, but returning OK works also. | |
5775 */ | |
5776 if ((*file)[*num_file] == NULL) | |
5777 break; | |
5778 (*num_file)++; | |
5779 } | |
5780 _fnexplodefree((char **)expl_files); | |
5781 } | |
5782 } | |
5783 return OK; | |
5784 | |
5785 #else /* __EMX__ */ | |
1508 | 5786 /* |
5787 * This is the non-OS/2 implementation (really Unix). | |
5788 */ | |
7 | 5789 int j; |
5790 char_u *tempname; | |
5791 char_u *command; | |
5792 FILE *fd; | |
5793 char_u *buffer; | |
1508 | 5794 #define STYLE_ECHO 0 /* use "echo", the default */ |
5795 #define STYLE_GLOB 1 /* use "glob", for csh */ | |
5796 #define STYLE_VIMGLOB 2 /* use "vimglob", for Posix sh */ | |
5797 #define STYLE_PRINT 3 /* use "print -N", for zsh */ | |
5798 #define STYLE_BT 4 /* `cmd` expansion, execute the pattern | |
5799 * directly */ | |
7 | 5800 int shell_style = STYLE_ECHO; |
5801 int check_spaces; | |
5802 static int did_find_nul = FALSE; | |
5803 int ampersent = FALSE; | |
1508 | 5804 /* vimglob() function to define for Posix shell */ |
1620 | 5805 static char *sh_vimglob_func = "vimglob() { while [ $# -ge 1 ]; do echo \"$1\"; shift; done }; vimglob >"; |
7 | 5806 |
5807 *num_file = 0; /* default: no files found */ | |
5808 *file = NULL; | |
5809 | |
5810 /* | |
5811 * If there are no wildcards, just copy the names to allocated memory. | |
5812 * Saves a lot of time, because we don't have to start a new shell. | |
5813 */ | |
5814 if (!have_wildcard(num_pat, pat)) | |
5815 return save_patterns(num_pat, pat, num_file, file); | |
5816 | |
428 | 5817 # ifdef HAVE_SANDBOX |
5818 /* Don't allow any shell command in the sandbox. */ | |
5819 if (sandbox != 0 && check_secure()) | |
5820 return FAIL; | |
5821 # endif | |
5822 | |
7 | 5823 /* |
5824 * Don't allow the use of backticks in secure and restricted mode. | |
5825 */ | |
428 | 5826 if (secure || restricted) |
7 | 5827 for (i = 0; i < num_pat; ++i) |
5828 if (vim_strchr(pat[i], '`') != NULL | |
5829 && (check_restricted() || check_secure())) | |
5830 return FAIL; | |
5831 | |
5832 /* | |
5833 * get a name for the temp file | |
5834 */ | |
5835 if ((tempname = vim_tempname('o')) == NULL) | |
5836 { | |
5837 EMSG(_(e_notmp)); | |
5838 return FAIL; | |
5839 } | |
5840 | |
5841 /* | |
5842 * Let the shell expand the patterns and write the result into the temp | |
1508 | 5843 * file. |
5844 * STYLE_BT: NL separated | |
5845 * If expanding `cmd` execute it directly. | |
5846 * STYLE_GLOB: NUL separated | |
5847 * If we use *csh, "glob" will work better than "echo". | |
5848 * STYLE_PRINT: NL or NUL separated | |
5849 * If we use *zsh, "print -N" will work better than "glob". | |
5850 * STYLE_VIMGLOB: NL separated | |
5851 * If we use *sh*, we define "vimglob()". | |
5852 * STYLE_ECHO: space separated. | |
5853 * A shell we don't know, stay safe and use "echo". | |
7 | 5854 */ |
5855 if (num_pat == 1 && *pat[0] == '`' | |
5856 && (len = STRLEN(pat[0])) > 2 | |
5857 && *(pat[0] + len - 1) == '`') | |
5858 shell_style = STYLE_BT; | |
5859 else if ((len = STRLEN(p_sh)) >= 3) | |
5860 { | |
5861 if (STRCMP(p_sh + len - 3, "csh") == 0) | |
5862 shell_style = STYLE_GLOB; | |
5863 else if (STRCMP(p_sh + len - 3, "zsh") == 0) | |
5864 shell_style = STYLE_PRINT; | |
5865 } | |
1508 | 5866 if (shell_style == STYLE_ECHO && strstr((char *)gettail(p_sh), |
5867 "sh") != NULL) | |
5868 shell_style = STYLE_VIMGLOB; | |
5869 | |
5870 /* Compute the length of the command. We need 2 extra bytes: for the | |
5871 * optional '&' and for the NUL. | |
5872 * Worst case: "unset nonomatch; print -N >" plus two is 29 */ | |
7 | 5873 len = STRLEN(tempname) + 29; |
1508 | 5874 if (shell_style == STYLE_VIMGLOB) |
5875 len += STRLEN(sh_vimglob_func); | |
5876 | |
147 | 5877 for (i = 0; i < num_pat; ++i) |
5878 { | |
5879 /* Count the length of the patterns in the same way as they are put in | |
5880 * "command" below. */ | |
5881 #ifdef USE_SYSTEM | |
7 | 5882 len += STRLEN(pat[i]) + 3; /* add space and two quotes */ |
147 | 5883 #else |
5884 ++len; /* add space */ | |
628 | 5885 for (j = 0; pat[i][j] != NUL; ++j) |
5886 { | |
5887 if (vim_strchr(SHELL_SPECIAL, pat[i][j]) != NULL) | |
5888 ++len; /* may add a backslash */ | |
5889 ++len; | |
5890 } | |
147 | 5891 #endif |
5892 } | |
7 | 5893 command = alloc(len); |
5894 if (command == NULL) | |
5895 { | |
5896 /* out of memory */ | |
5897 vim_free(tempname); | |
5898 return FAIL; | |
5899 } | |
5900 | |
5901 /* | |
5902 * Build the shell command: | |
5903 * - Set $nonomatch depending on EW_NOTFOUND (hopefully the shell | |
5904 * recognizes this). | |
5905 * - Add the shell command to print the expanded names. | |
5906 * - Add the temp file name. | |
5907 * - Add the file name patterns. | |
5908 */ | |
5909 if (shell_style == STYLE_BT) | |
5910 { | |
628 | 5911 /* change `command; command& ` to (command; command ) */ |
5912 STRCPY(command, "("); | |
5913 STRCAT(command, pat[0] + 1); /* exclude first backtick */ | |
7 | 5914 p = command + STRLEN(command) - 1; |
628 | 5915 *p-- = ')'; /* remove last backtick */ |
7 | 5916 while (p > command && vim_iswhite(*p)) |
5917 --p; | |
5918 if (*p == '&') /* remove trailing '&' */ | |
5919 { | |
5920 ampersent = TRUE; | |
5921 *p = ' '; | |
5922 } | |
5923 STRCAT(command, ">"); | |
5924 } | |
5925 else | |
5926 { | |
5927 if (flags & EW_NOTFOUND) | |
5928 STRCPY(command, "set nonomatch; "); | |
5929 else | |
5930 STRCPY(command, "unset nonomatch; "); | |
5931 if (shell_style == STYLE_GLOB) | |
5932 STRCAT(command, "glob >"); | |
5933 else if (shell_style == STYLE_PRINT) | |
5934 STRCAT(command, "print -N >"); | |
1508 | 5935 else if (shell_style == STYLE_VIMGLOB) |
5936 STRCAT(command, sh_vimglob_func); | |
7 | 5937 else |
5938 STRCAT(command, "echo >"); | |
5939 } | |
1508 | 5940 |
7 | 5941 STRCAT(command, tempname); |
1508 | 5942 |
7 | 5943 if (shell_style != STYLE_BT) |
5944 for (i = 0; i < num_pat; ++i) | |
5945 { | |
5946 /* When using system() always add extra quotes, because the shell | |
628 | 5947 * is started twice. Otherwise put a backslash before special |
1450 | 5948 * characters, except inside ``. */ |
7 | 5949 #ifdef USE_SYSTEM |
5950 STRCAT(command, " \""); | |
5951 STRCAT(command, pat[i]); | |
5952 STRCAT(command, "\""); | |
5953 #else | |
233 | 5954 int intick = FALSE; |
5955 | |
7 | 5956 p = command + STRLEN(command); |
5957 *p++ = ' '; | |
628 | 5958 for (j = 0; pat[i][j] != NUL; ++j) |
233 | 5959 { |
5960 if (pat[i][j] == '`') | |
5961 intick = !intick; | |
628 | 5962 else if (pat[i][j] == '\\' && pat[i][j + 1] != NUL) |
5963 { | |
644 | 5964 /* Remove a backslash, take char literally. But keep |
652 | 5965 * backslash inside backticks, before a special character |
5966 * and before a backtick. */ | |
644 | 5967 if (intick |
652 | 5968 || vim_strchr(SHELL_SPECIAL, pat[i][j + 1]) != NULL |
5969 || pat[i][j + 1] == '`') | |
644 | 5970 *p++ = '\\'; |
648 | 5971 ++j; |
628 | 5972 } |
6174 | 5973 else if (!intick |
5974 && ((flags & EW_KEEPDOLLAR) == 0 || pat[i][j] != '$') | |
5975 && vim_strchr(SHELL_SPECIAL, pat[i][j]) != NULL) | |
628 | 5976 /* Put a backslash before a special character, but not |
6174 | 5977 * when inside ``. And not for $var when EW_KEEPDOLLAR is |
5978 * set. */ | |
628 | 5979 *p++ = '\\'; |
648 | 5980 |
5981 /* Copy one character. */ | |
5982 *p++ = pat[i][j]; | |
233 | 5983 } |
7 | 5984 *p = NUL; |
5985 #endif | |
5986 } | |
5987 if (flags & EW_SILENT) | |
5988 show_shell_mess = FALSE; | |
5989 if (ampersent) | |
1508 | 5990 STRCAT(command, "&"); /* put the '&' after the redirection */ |
7 | 5991 |
5992 /* | |
5993 * Using zsh -G: If a pattern has no matches, it is just deleted from | |
5994 * the argument list, otherwise zsh gives an error message and doesn't | |
5995 * expand any other pattern. | |
5996 */ | |
5997 if (shell_style == STYLE_PRINT) | |
5998 extra_shell_arg = (char_u *)"-G"; /* Use zsh NULL_GLOB option */ | |
5999 | |
6000 /* | |
6001 * If we use -f then shell variables set in .cshrc won't get expanded. | |
6002 * vi can do it, so we will too, but it is only necessary if there is a "$" | |
6003 * in one of the patterns, otherwise we can still use the fast option. | |
6004 */ | |
6005 else if (shell_style == STYLE_GLOB && !have_dollars(num_pat, pat)) | |
6006 extra_shell_arg = (char_u *)"-f"; /* Use csh fast option */ | |
6007 | |
6008 /* | |
6009 * execute the shell command | |
6010 */ | |
6011 i = call_shell(command, SHELL_EXPAND | SHELL_SILENT); | |
6012 | |
6013 /* When running in the background, give it some time to create the temp | |
6014 * file, but don't wait for it to finish. */ | |
6015 if (ampersent) | |
6016 mch_delay(10L, TRUE); | |
6017 | |
6018 extra_shell_arg = NULL; /* cleanup */ | |
6019 show_shell_mess = TRUE; | |
6020 vim_free(command); | |
6021 | |
1508 | 6022 if (i != 0) /* mch_call_shell() failed */ |
7 | 6023 { |
6024 mch_remove(tempname); | |
6025 vim_free(tempname); | |
6026 /* | |
6027 * With interactive completion, the error message is not printed. | |
6028 * However with USE_SYSTEM, I don't know how to turn off error messages | |
6029 * from the shell, so screen may still get messed up -- webb. | |
6030 */ | |
6031 #ifndef USE_SYSTEM | |
6032 if (!(flags & EW_SILENT)) | |
6033 #endif | |
6034 { | |
6035 redraw_later_clear(); /* probably messed up screen */ | |
6036 msg_putchar('\n'); /* clear bottom line quickly */ | |
6037 cmdline_row = Rows - 1; /* continue on last line */ | |
6038 #ifdef USE_SYSTEM | |
6039 if (!(flags & EW_SILENT)) | |
6040 #endif | |
6041 { | |
6042 MSG(_(e_wildexpand)); | |
6043 msg_start(); /* don't overwrite this message */ | |
6044 } | |
6045 } | |
6046 /* If a `cmd` expansion failed, don't list `cmd` as a match, even when | |
6047 * EW_NOTFOUND is given */ | |
6048 if (shell_style == STYLE_BT) | |
6049 return FAIL; | |
6050 goto notfound; | |
6051 } | |
6052 | |
6053 /* | |
6054 * read the names from the file into memory | |
6055 */ | |
6056 fd = fopen((char *)tempname, READBIN); | |
6057 if (fd == NULL) | |
6058 { | |
6059 /* Something went wrong, perhaps a file name with a special char. */ | |
6060 if (!(flags & EW_SILENT)) | |
6061 { | |
6062 MSG(_(e_wildexpand)); | |
6063 msg_start(); /* don't overwrite this message */ | |
6064 } | |
6065 vim_free(tempname); | |
6066 goto notfound; | |
6067 } | |
6068 fseek(fd, 0L, SEEK_END); | |
6069 len = ftell(fd); /* get size of temp file */ | |
6070 fseek(fd, 0L, SEEK_SET); | |
6071 buffer = alloc(len + 1); | |
6072 if (buffer == NULL) | |
6073 { | |
6074 /* out of memory */ | |
6075 mch_remove(tempname); | |
6076 vim_free(tempname); | |
6077 fclose(fd); | |
6078 return FAIL; | |
6079 } | |
6080 i = fread((char *)buffer, 1, len, fd); | |
6081 fclose(fd); | |
6082 mch_remove(tempname); | |
1877 | 6083 if (i != (int)len) |
7 | 6084 { |
6085 /* unexpected read error */ | |
6086 EMSG2(_(e_notread), tempname); | |
6087 vim_free(tempname); | |
6088 vim_free(buffer); | |
6089 return FAIL; | |
6090 } | |
6091 vim_free(tempname); | |
6092 | |
1508 | 6093 # if defined(__CYGWIN__) || defined(__CYGWIN32__) |
7 | 6094 /* Translate <CR><NL> into <NL>. Caution, buffer may contain NUL. */ |
6095 p = buffer; | |
5037
5e0b6a9282df
updated for version 7.3.1262
Bram Moolenaar <bram@vim.org>
parents:
4299
diff
changeset
|
6096 for (i = 0; i < (int)len; ++i) |
7 | 6097 if (!(buffer[i] == CAR && buffer[i + 1] == NL)) |
6098 *p++ = buffer[i]; | |
6099 len = p - buffer; | |
6100 # endif | |
6101 | |
6102 | |
6103 /* file names are separated with Space */ | |
6104 if (shell_style == STYLE_ECHO) | |
6105 { | |
6106 buffer[len] = '\n'; /* make sure the buffer ends in NL */ | |
6107 p = buffer; | |
6108 for (i = 0; *p != '\n'; ++i) /* count number of entries */ | |
6109 { | |
6110 while (*p != ' ' && *p != '\n') | |
6111 ++p; | |
6112 p = skipwhite(p); /* skip to next entry */ | |
6113 } | |
6114 } | |
6115 /* file names are separated with NL */ | |
1508 | 6116 else if (shell_style == STYLE_BT || shell_style == STYLE_VIMGLOB) |
7 | 6117 { |
6118 buffer[len] = NUL; /* make sure the buffer ends in NUL */ | |
6119 p = buffer; | |
6120 for (i = 0; *p != NUL; ++i) /* count number of entries */ | |
6121 { | |
6122 while (*p != '\n' && *p != NUL) | |
6123 ++p; | |
6124 if (*p != NUL) | |
6125 ++p; | |
6126 p = skipwhite(p); /* skip leading white space */ | |
6127 } | |
6128 } | |
6129 /* file names are separated with NUL */ | |
6130 else | |
6131 { | |
6132 /* | |
6133 * Some versions of zsh use spaces instead of NULs to separate | |
6134 * results. Only do this when there is no NUL before the end of the | |
6135 * buffer, otherwise we would never be able to use file names with | |
6136 * embedded spaces when zsh does use NULs. | |
6137 * When we found a NUL once, we know zsh is OK, set did_find_nul and | |
6138 * don't check for spaces again. | |
6139 */ | |
6140 check_spaces = FALSE; | |
6141 if (shell_style == STYLE_PRINT && !did_find_nul) | |
6142 { | |
6143 /* If there is a NUL, set did_find_nul, else set check_spaces */ | |
2768 | 6144 buffer[len] = NUL; |
5533 | 6145 if (len && (int)STRLEN(buffer) < (int)len) |
7 | 6146 did_find_nul = TRUE; |
6147 else | |
6148 check_spaces = TRUE; | |
6149 } | |
6150 | |
6151 /* | |
6152 * Make sure the buffer ends with a NUL. For STYLE_PRINT there | |
6153 * already is one, for STYLE_GLOB it needs to be added. | |
6154 */ | |
6155 if (len && buffer[len - 1] == NUL) | |
6156 --len; | |
6157 else | |
6158 buffer[len] = NUL; | |
6159 i = 0; | |
6160 for (p = buffer; p < buffer + len; ++p) | |
6161 if (*p == NUL || (*p == ' ' && check_spaces)) /* count entry */ | |
6162 { | |
6163 ++i; | |
6164 *p = NUL; | |
6165 } | |
6166 if (len) | |
6167 ++i; /* count last entry */ | |
6168 } | |
6169 if (i == 0) | |
6170 { | |
6171 /* | |
6172 * Can happen when using /bin/sh and typing ":e $NO_SUCH_VAR^I". | |
6173 * /bin/sh will happily expand it to nothing rather than returning an | |
6174 * error; and hey, it's good to check anyway -- webb. | |
6175 */ | |
6176 vim_free(buffer); | |
6177 goto notfound; | |
6178 } | |
6179 *num_file = i; | |
6180 *file = (char_u **)alloc(sizeof(char_u *) * i); | |
6181 if (*file == NULL) | |
6182 { | |
6183 /* out of memory */ | |
6184 vim_free(buffer); | |
6185 return FAIL; | |
6186 } | |
6187 | |
6188 /* | |
6189 * Isolate the individual file names. | |
6190 */ | |
6191 p = buffer; | |
6192 for (i = 0; i < *num_file; ++i) | |
6193 { | |
6194 (*file)[i] = p; | |
6195 /* Space or NL separates */ | |
1508 | 6196 if (shell_style == STYLE_ECHO || shell_style == STYLE_BT |
6197 || shell_style == STYLE_VIMGLOB) | |
7 | 6198 { |
652 | 6199 while (!(shell_style == STYLE_ECHO && *p == ' ') |
6200 && *p != '\n' && *p != NUL) | |
7 | 6201 ++p; |
6202 if (p == buffer + len) /* last entry */ | |
6203 *p = NUL; | |
6204 else | |
6205 { | |
6206 *p++ = NUL; | |
6207 p = skipwhite(p); /* skip to next entry */ | |
6208 } | |
6209 } | |
6210 else /* NUL separates */ | |
6211 { | |
6212 while (*p && p < buffer + len) /* skip entry */ | |
6213 ++p; | |
6214 ++p; /* skip NUL */ | |
6215 } | |
6216 } | |
6217 | |
6218 /* | |
6219 * Move the file names to allocated memory. | |
6220 */ | |
6221 for (j = 0, i = 0; i < *num_file; ++i) | |
6222 { | |
6223 /* Require the files to exist. Helps when using /bin/sh */ | |
6224 if (!(flags & EW_NOTFOUND) && mch_getperm((*file)[i]) < 0) | |
6225 continue; | |
6226 | |
6227 /* check if this entry should be included */ | |
6228 dir = (mch_isdir((*file)[i])); | |
6229 if ((dir && !(flags & EW_DIR)) || (!dir && !(flags & EW_FILE))) | |
6230 continue; | |
6231 | |
715 | 6232 /* Skip files that are not executable if we check for that. */ |
5782 | 6233 if (!dir && (flags & EW_EXEC) && !mch_can_exe((*file)[i], NULL)) |
715 | 6234 continue; |
6235 | |
7 | 6236 p = alloc((unsigned)(STRLEN((*file)[i]) + 1 + dir)); |
6237 if (p) | |
6238 { | |
6239 STRCPY(p, (*file)[i]); | |
6240 if (dir) | |
1479 | 6241 add_pathsep(p); /* add '/' to a directory name */ |
7 | 6242 (*file)[j++] = p; |
6243 } | |
6244 } | |
6245 vim_free(buffer); | |
6246 *num_file = j; | |
6247 | |
6248 if (*num_file == 0) /* rejected all entries */ | |
6249 { | |
6250 vim_free(*file); | |
6251 *file = NULL; | |
6252 goto notfound; | |
6253 } | |
6254 | |
6255 return OK; | |
6256 | |
6257 notfound: | |
6258 if (flags & EW_NOTFOUND) | |
6259 return save_patterns(num_pat, pat, num_file, file); | |
6260 return FAIL; | |
6261 | |
6262 #endif /* __EMX__ */ | |
6263 } | |
6264 | |
6265 #endif /* VMS */ | |
6266 | |
6267 #ifndef __EMX__ | |
6268 static int | |
6269 save_patterns(num_pat, pat, num_file, file) | |
6270 int num_pat; | |
6271 char_u **pat; | |
6272 int *num_file; | |
6273 char_u ***file; | |
6274 { | |
6275 int i; | |
99 | 6276 char_u *s; |
7 | 6277 |
6278 *file = (char_u **)alloc(num_pat * sizeof(char_u *)); | |
6279 if (*file == NULL) | |
6280 return FAIL; | |
6281 for (i = 0; i < num_pat; i++) | |
99 | 6282 { |
6283 s = vim_strsave(pat[i]); | |
6284 if (s != NULL) | |
6285 /* Be compatible with expand_filename(): halve the number of | |
6286 * backslashes. */ | |
6287 backslash_halve(s); | |
6288 (*file)[i] = s; | |
6289 } | |
7 | 6290 *num_file = num_pat; |
6291 return OK; | |
6292 } | |
6293 #endif | |
6294 | |
6295 /* | |
6296 * Return TRUE if the string "p" contains a wildcard that mch_expandpath() can | |
6297 * expand. | |
6298 */ | |
6299 int | |
6300 mch_has_exp_wildcard(p) | |
6301 char_u *p; | |
6302 { | |
39 | 6303 for ( ; *p; mb_ptr_adv(p)) |
7 | 6304 { |
6305 #ifndef OS2 | |
6306 if (*p == '\\' && p[1] != NUL) | |
6307 ++p; | |
6308 else | |
6309 #endif | |
6310 if (vim_strchr((char_u *) | |
6311 #ifdef VMS | |
6312 "*?%" | |
6313 #else | |
6314 # ifdef OS2 | |
6315 "*?" | |
6316 # else | |
6317 "*?[{'" | |
6318 # endif | |
6319 #endif | |
6320 , *p) != NULL) | |
6321 return TRUE; | |
6322 } | |
6323 return FALSE; | |
6324 } | |
6325 | |
6326 /* | |
6327 * Return TRUE if the string "p" contains a wildcard. | |
6328 * Don't recognize '~' at the end as a wildcard. | |
6329 */ | |
6330 int | |
6331 mch_has_wildcard(p) | |
6332 char_u *p; | |
6333 { | |
39 | 6334 for ( ; *p; mb_ptr_adv(p)) |
7 | 6335 { |
6336 #ifndef OS2 | |
6337 if (*p == '\\' && p[1] != NUL) | |
6338 ++p; | |
6339 else | |
6340 #endif | |
6341 if (vim_strchr((char_u *) | |
6342 #ifdef VMS | |
6343 "*?%$" | |
6344 #else | |
6345 # ifdef OS2 | |
6346 # ifdef VIM_BACKTICK | |
6347 "*?$`" | |
6348 # else | |
6349 "*?$" | |
6350 # endif | |
6351 # else | |
6352 "*?[{`'$" | |
6353 # endif | |
6354 #endif | |
6355 , *p) != NULL | |
6356 || (*p == '~' && p[1] != NUL)) | |
6357 return TRUE; | |
6358 } | |
6359 return FALSE; | |
6360 } | |
6361 | |
6362 #ifndef __EMX__ | |
6363 static int | |
6364 have_wildcard(num, file) | |
6365 int num; | |
6366 char_u **file; | |
6367 { | |
6368 int i; | |
6369 | |
6370 for (i = 0; i < num; i++) | |
6371 if (mch_has_wildcard(file[i])) | |
6372 return 1; | |
6373 return 0; | |
6374 } | |
6375 | |
6376 static int | |
6377 have_dollars(num, file) | |
6378 int num; | |
6379 char_u **file; | |
6380 { | |
6381 int i; | |
6382 | |
6383 for (i = 0; i < num; i++) | |
6384 if (vim_strchr(file[i], '$') != NULL) | |
6385 return TRUE; | |
6386 return FALSE; | |
6387 } | |
6388 #endif /* ifndef __EMX__ */ | |
6389 | |
6390 #ifndef HAVE_RENAME | |
6391 /* | |
6392 * Scaled-down version of rename(), which is missing in Xenix. | |
6393 * This version can only move regular files and will fail if the | |
6394 * destination exists. | |
6395 */ | |
6396 int | |
6397 mch_rename(src, dest) | |
6398 const char *src, *dest; | |
6399 { | |
6400 struct stat st; | |
6401 | |
6402 if (stat(dest, &st) >= 0) /* fail if destination exists */ | |
6403 return -1; | |
6404 if (link(src, dest) != 0) /* link file to new name */ | |
6405 return -1; | |
6406 if (mch_remove(src) == 0) /* delete link to old name */ | |
6407 return 0; | |
6408 return -1; | |
6409 } | |
6410 #endif /* !HAVE_RENAME */ | |
6411 | |
6412 #ifdef FEAT_MOUSE_GPM | |
6413 /* | |
6414 * Initializes connection with gpm (if it isn't already opened) | |
6415 * Return 1 if succeeded (or connection already opened), 0 if failed | |
6416 */ | |
6417 static int | |
6418 gpm_open() | |
6419 { | |
6420 static Gpm_Connect gpm_connect; /* Must it be kept till closing ? */ | |
6421 | |
6422 if (!gpm_flag) | |
6423 { | |
6424 gpm_connect.eventMask = (GPM_UP | GPM_DRAG | GPM_DOWN); | |
6425 gpm_connect.defaultMask = ~GPM_HARD; | |
6426 /* Default handling for mouse move*/ | |
6427 gpm_connect.minMod = 0; /* Handle any modifier keys */ | |
6428 gpm_connect.maxMod = 0xffff; | |
6429 if (Gpm_Open(&gpm_connect, 0) > 0) | |
6430 { | |
6431 /* gpm library tries to handling TSTP causes | |
6432 * problems. Anyways, we close connection to Gpm whenever | |
6433 * we are going to suspend or starting an external process | |
1450 | 6434 * so we shouldn't have problem with this |
7 | 6435 */ |
1832 | 6436 # ifdef SIGTSTP |
7 | 6437 signal(SIGTSTP, restricted ? SIG_IGN : SIG_DFL); |
1832 | 6438 # endif |
7 | 6439 return 1; /* succeed */ |
6440 } | |
6441 if (gpm_fd == -2) | |
6442 Gpm_Close(); /* We don't want to talk to xterm via gpm */ | |
6443 return 0; | |
6444 } | |
6445 return 1; /* already open */ | |
6446 } | |
6447 | |
6448 /* | |
6449 * Closes connection to gpm | |
6450 */ | |
6451 static void | |
6452 gpm_close() | |
6453 { | |
6454 if (gpm_flag && gpm_fd >= 0) /* if Open */ | |
6455 Gpm_Close(); | |
6456 } | |
6457 | |
6458 /* Reads gpm event and adds special keys to input buf. Returns length of | |
6459 * generated key sequence. | |
5782 | 6460 * This function is styled after gui_send_mouse_event(). |
7 | 6461 */ |
6462 static int | |
6463 mch_gpm_process() | |
6464 { | |
6465 int button; | |
6466 static Gpm_Event gpm_event; | |
6467 char_u string[6]; | |
6468 int_u vim_modifiers; | |
6469 int row,col; | |
6470 unsigned char buttons_mask; | |
6471 unsigned char gpm_modifiers; | |
6472 static unsigned char old_buttons = 0; | |
6473 | |
6474 Gpm_GetEvent(&gpm_event); | |
6475 | |
6476 #ifdef FEAT_GUI | |
6477 /* Don't put events in the input queue now. */ | |
6478 if (hold_gui_events) | |
6479 return 0; | |
6480 #endif | |
6481 | |
6482 row = gpm_event.y - 1; | |
6483 col = gpm_event.x - 1; | |
6484 | |
6485 string[0] = ESC; /* Our termcode */ | |
6486 string[1] = 'M'; | |
6487 string[2] = 'G'; | |
6488 switch (GPM_BARE_EVENTS(gpm_event.type)) | |
6489 { | |
6490 case GPM_DRAG: | |
6491 string[3] = MOUSE_DRAG; | |
6492 break; | |
6493 case GPM_DOWN: | |
6494 buttons_mask = gpm_event.buttons & ~old_buttons; | |
6495 old_buttons = gpm_event.buttons; | |
6496 switch (buttons_mask) | |
6497 { | |
6498 case GPM_B_LEFT: | |
6499 button = MOUSE_LEFT; | |
6500 break; | |
6501 case GPM_B_MIDDLE: | |
6502 button = MOUSE_MIDDLE; | |
6503 break; | |
6504 case GPM_B_RIGHT: | |
6505 button = MOUSE_RIGHT; | |
6506 break; | |
6507 default: | |
6508 return 0; | |
6509 /*Don't know what to do. Can more than one button be | |
6510 * reported in one event? */ | |
6511 } | |
6512 string[3] = (char_u)(button | 0x20); | |
6513 SET_NUM_MOUSE_CLICKS(string[3], gpm_event.clicks + 1); | |
6514 break; | |
6515 case GPM_UP: | |
6516 string[3] = MOUSE_RELEASE; | |
6517 old_buttons &= ~gpm_event.buttons; | |
6518 break; | |
6519 default: | |
6520 return 0; | |
6521 } | |
6522 /*This code is based on gui_x11_mouse_cb in gui_x11.c */ | |
6523 gpm_modifiers = gpm_event.modifiers; | |
6524 vim_modifiers = 0x0; | |
6525 /* I ignore capslock stats. Aren't we all just hate capslock mixing with | |
6526 * Vim commands ? Besides, gpm_event.modifiers is unsigned char, and | |
6527 * K_CAPSSHIFT is defined 8, so it probably isn't even reported | |
6528 */ | |
6529 if (gpm_modifiers & ((1 << KG_SHIFT) | (1 << KG_SHIFTR) | (1 << KG_SHIFTL))) | |
6530 vim_modifiers |= MOUSE_SHIFT; | |
6531 | |
6532 if (gpm_modifiers & ((1 << KG_CTRL) | (1 << KG_CTRLR) | (1 << KG_CTRLL))) | |
6533 vim_modifiers |= MOUSE_CTRL; | |
6534 if (gpm_modifiers & ((1 << KG_ALT) | (1 << KG_ALTGR))) | |
6535 vim_modifiers |= MOUSE_ALT; | |
6536 string[3] |= vim_modifiers; | |
6537 string[4] = (char_u)(col + ' ' + 1); | |
6538 string[5] = (char_u)(row + ' ' + 1); | |
6539 add_to_input_buf(string, 6); | |
6540 return 6; | |
6541 } | |
6542 #endif /* FEAT_MOUSE_GPM */ | |
6543 | |
1620 | 6544 #ifdef FEAT_SYSMOUSE |
6545 /* | |
6546 * Initialize connection with sysmouse. | |
6547 * Let virtual console inform us with SIGUSR2 for pending sysmouse | |
6548 * output, any sysmouse output than will be processed via sig_sysmouse(). | |
6549 * Return OK if succeeded, FAIL if failed. | |
6550 */ | |
6551 static int | |
6552 sysmouse_open() | |
6553 { | |
6554 struct mouse_info mouse; | |
6555 | |
6556 mouse.operation = MOUSE_MODE; | |
6557 mouse.u.mode.mode = 0; | |
6558 mouse.u.mode.signal = SIGUSR2; | |
6559 if (ioctl(1, CONS_MOUSECTL, &mouse) != -1) | |
6560 { | |
6561 signal(SIGUSR2, (RETSIGTYPE (*)())sig_sysmouse); | |
6562 mouse.operation = MOUSE_SHOW; | |
6563 ioctl(1, CONS_MOUSECTL, &mouse); | |
6564 return OK; | |
6565 } | |
6566 return FAIL; | |
6567 } | |
6568 | |
6569 /* | |
6570 * Stop processing SIGUSR2 signals, and also make sure that | |
6571 * virtual console do not send us any sysmouse related signal. | |
6572 */ | |
6573 static void | |
6574 sysmouse_close() | |
6575 { | |
6576 struct mouse_info mouse; | |
6577 | |
6578 signal(SIGUSR2, restricted ? SIG_IGN : SIG_DFL); | |
6579 mouse.operation = MOUSE_MODE; | |
6580 mouse.u.mode.mode = 0; | |
6581 mouse.u.mode.signal = 0; | |
6582 ioctl(1, CONS_MOUSECTL, &mouse); | |
6583 } | |
6584 | |
6585 /* | |
6586 * Gets info from sysmouse and adds special keys to input buf. | |
6587 */ | |
6588 static RETSIGTYPE | |
6589 sig_sysmouse SIGDEFARG(sigarg) | |
6590 { | |
6591 struct mouse_info mouse; | |
6592 struct video_info video; | |
6593 char_u string[6]; | |
6594 int row, col; | |
6595 int button; | |
6596 int buttons; | |
6597 static int oldbuttons = 0; | |
6598 | |
6599 #ifdef FEAT_GUI | |
6600 /* Don't put events in the input queue now. */ | |
6601 if (hold_gui_events) | |
6602 return; | |
6603 #endif | |
6604 | |
6605 mouse.operation = MOUSE_GETINFO; | |
6606 if (ioctl(1, FBIO_GETMODE, &video.vi_mode) != -1 | |
6607 && ioctl(1, FBIO_MODEINFO, &video) != -1 | |
6608 && ioctl(1, CONS_MOUSECTL, &mouse) != -1 | |
6609 && video.vi_cheight > 0 && video.vi_cwidth > 0) | |
6610 { | |
6611 row = mouse.u.data.y / video.vi_cheight; | |
6612 col = mouse.u.data.x / video.vi_cwidth; | |
6613 buttons = mouse.u.data.buttons; | |
6614 string[0] = ESC; /* Our termcode */ | |
6615 string[1] = 'M'; | |
6616 string[2] = 'S'; | |
6617 if (oldbuttons == buttons && buttons != 0) | |
6618 { | |
6619 button = MOUSE_DRAG; | |
6620 } | |
6621 else | |
6622 { | |
6623 switch (buttons) | |
6624 { | |
6625 case 0: | |
6626 button = MOUSE_RELEASE; | |
6627 break; | |
6628 case 1: | |
6629 button = MOUSE_LEFT; | |
6630 break; | |
6631 case 2: | |
6632 button = MOUSE_MIDDLE; | |
6633 break; | |
6634 case 4: | |
6635 button = MOUSE_RIGHT; | |
6636 break; | |
6637 default: | |
6638 return; | |
6639 } | |
6640 oldbuttons = buttons; | |
6641 } | |
6642 string[3] = (char_u)(button); | |
6643 string[4] = (char_u)(col + ' ' + 1); | |
6644 string[5] = (char_u)(row + ' ' + 1); | |
6645 add_to_input_buf(string, 6); | |
6646 } | |
6647 return; | |
6648 } | |
6649 #endif /* FEAT_SYSMOUSE */ | |
6650 | |
7 | 6651 #if defined(FEAT_LIBCALL) || defined(PROTO) |
6652 typedef char_u * (*STRPROCSTR)__ARGS((char_u *)); | |
6653 typedef char_u * (*INTPROCSTR)__ARGS((int)); | |
6654 typedef int (*STRPROCINT)__ARGS((char_u *)); | |
6655 typedef int (*INTPROCINT)__ARGS((int)); | |
6656 | |
6657 /* | |
6658 * Call a DLL routine which takes either a string or int param | |
6659 * and returns an allocated string. | |
6660 */ | |
6661 int | |
6662 mch_libcall(libname, funcname, argstring, argint, string_result, number_result) | |
6663 char_u *libname; | |
6664 char_u *funcname; | |
6665 char_u *argstring; /* NULL when using a argint */ | |
6666 int argint; | |
6667 char_u **string_result;/* NULL when using number_result */ | |
6668 int *number_result; | |
6669 { | |
6670 # if defined(USE_DLOPEN) | |
6671 void *hinstLib; | |
12 | 6672 char *dlerr = NULL; |
7 | 6673 # else |
6674 shl_t hinstLib; | |
6675 # endif | |
6676 STRPROCSTR ProcAdd; | |
6677 INTPROCSTR ProcAddI; | |
6678 char_u *retval_str = NULL; | |
6679 int retval_int = 0; | |
6680 int success = FALSE; | |
6681 | |
900 | 6682 /* |
6683 * Get a handle to the DLL module. | |
6684 */ | |
7 | 6685 # if defined(USE_DLOPEN) |
900 | 6686 /* First clear any error, it's not cleared by the dlopen() call. */ |
6687 (void)dlerror(); | |
6688 | |
7 | 6689 hinstLib = dlopen((char *)libname, RTLD_LAZY |
6690 # ifdef RTLD_LOCAL | |
6691 | RTLD_LOCAL | |
6692 # endif | |
6693 ); | |
12 | 6694 if (hinstLib == NULL) |
6695 { | |
6696 /* "dlerr" must be used before dlclose() */ | |
6697 dlerr = (char *)dlerror(); | |
6698 if (dlerr != NULL) | |
6699 EMSG2(_("dlerror = \"%s\""), dlerr); | |
6700 } | |
7 | 6701 # else |
6702 hinstLib = shl_load((const char*)libname, BIND_IMMEDIATE|BIND_VERBOSE, 0L); | |
6703 # endif | |
6704 | |
6705 /* If the handle is valid, try to get the function address. */ | |
6706 if (hinstLib != NULL) | |
6707 { | |
6708 # ifdef HAVE_SETJMP_H | |
6709 /* | |
6710 * Catch a crash when calling the library function. For example when | |
6711 * using a number where a string pointer is expected. | |
6712 */ | |
6713 mch_startjmp(); | |
6714 if (SETJMP(lc_jump_env) != 0) | |
6715 { | |
6716 success = FALSE; | |
857 | 6717 # if defined(USE_DLOPEN) |
12 | 6718 dlerr = NULL; |
857 | 6719 # endif |
7 | 6720 mch_didjmp(); |
6721 } | |
6722 else | |
6723 # endif | |
6724 { | |
6725 retval_str = NULL; | |
6726 retval_int = 0; | |
6727 | |
6728 if (argstring != NULL) | |
6729 { | |
6730 # if defined(USE_DLOPEN) | |
6731 ProcAdd = (STRPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
12 | 6732 dlerr = (char *)dlerror(); |
7 | 6733 # else |
6734 if (shl_findsym(&hinstLib, (const char *)funcname, | |
6735 TYPE_PROCEDURE, (void *)&ProcAdd) < 0) | |
6736 ProcAdd = NULL; | |
6737 # endif | |
12 | 6738 if ((success = (ProcAdd != NULL |
6739 # if defined(USE_DLOPEN) | |
6740 && dlerr == NULL | |
6741 # endif | |
6742 ))) | |
7 | 6743 { |
6744 if (string_result == NULL) | |
6745 retval_int = ((STRPROCINT)ProcAdd)(argstring); | |
6746 else | |
6747 retval_str = (ProcAdd)(argstring); | |
6748 } | |
6749 } | |
6750 else | |
6751 { | |
6752 # if defined(USE_DLOPEN) | |
6753 ProcAddI = (INTPROCSTR)dlsym(hinstLib, (const char *)funcname); | |
12 | 6754 dlerr = (char *)dlerror(); |
7 | 6755 # else |
6756 if (shl_findsym(&hinstLib, (const char *)funcname, | |
6757 TYPE_PROCEDURE, (void *)&ProcAddI) < 0) | |
6758 ProcAddI = NULL; | |
6759 # endif | |
12 | 6760 if ((success = (ProcAddI != NULL |
6761 # if defined(USE_DLOPEN) | |
6762 && dlerr == NULL | |
6763 # endif | |
6764 ))) | |
7 | 6765 { |
6766 if (string_result == NULL) | |
6767 retval_int = ((INTPROCINT)ProcAddI)(argint); | |
6768 else | |
6769 retval_str = (ProcAddI)(argint); | |
6770 } | |
6771 } | |
6772 | |
6773 /* Save the string before we free the library. */ | |
6774 /* Assume that a "1" or "-1" result is an illegal pointer. */ | |
6775 if (string_result == NULL) | |
6776 *number_result = retval_int; | |
6777 else if (retval_str != NULL | |
6778 && retval_str != (char_u *)1 | |
6779 && retval_str != (char_u *)-1) | |
6780 *string_result = vim_strsave(retval_str); | |
6781 } | |
6782 | |
6783 # ifdef HAVE_SETJMP_H | |
6784 mch_endjmp(); | |
6785 # ifdef SIGHASARG | |
6786 if (lc_signal != 0) | |
6787 { | |
6788 int i; | |
6789 | |
6790 /* try to find the name of this signal */ | |
6791 for (i = 0; signal_info[i].sig != -1; i++) | |
6792 if (lc_signal == signal_info[i].sig) | |
6793 break; | |
6794 EMSG2("E368: got SIG%s in libcall()", signal_info[i].name); | |
6795 } | |
6796 # endif | |
6797 # endif | |
6798 | |
12 | 6799 # if defined(USE_DLOPEN) |
6800 /* "dlerr" must be used before dlclose() */ | |
6801 if (dlerr != NULL) | |
6802 EMSG2(_("dlerror = \"%s\""), dlerr); | |
6803 | |
7 | 6804 /* Free the DLL module. */ |
6805 (void)dlclose(hinstLib); | |
6806 # else | |
6807 (void)shl_unload(hinstLib); | |
6808 # endif | |
6809 } | |
6810 | |
6811 if (!success) | |
6812 { | |
6813 EMSG2(_(e_libcall), funcname); | |
6814 return FAIL; | |
6815 } | |
6816 | |
6817 return OK; | |
6818 } | |
6819 #endif | |
6820 | |
6821 #if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) || defined(PROTO) | |
6822 static int xterm_trace = -1; /* default: disabled */ | |
6823 static int xterm_button; | |
6824 | |
6825 /* | |
6826 * Setup a dummy window for X selections in a terminal. | |
6827 */ | |
6828 void | |
6829 setup_term_clip() | |
6830 { | |
6831 int z = 0; | |
6832 char *strp = ""; | |
6833 Widget AppShell; | |
6834 | |
6835 if (!x_connect_to_server()) | |
6836 return; | |
6837 | |
6838 open_app_context(); | |
6839 if (app_context != NULL && xterm_Shell == (Widget)0) | |
6840 { | |
6841 int (*oldhandler)(); | |
6842 #if defined(HAVE_SETJMP_H) | |
6843 int (*oldIOhandler)(); | |
6844 #endif | |
6845 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
6846 struct timeval start_tv; | |
6847 | |
6848 if (p_verbose > 0) | |
6849 gettimeofday(&start_tv, NULL); | |
6850 # endif | |
6851 | |
6852 /* Ignore X errors while opening the display */ | |
6853 oldhandler = XSetErrorHandler(x_error_check); | |
6854 | |
6855 #if defined(HAVE_SETJMP_H) | |
6856 /* Ignore X IO errors while opening the display */ | |
6857 oldIOhandler = XSetIOErrorHandler(x_IOerror_check); | |
6858 mch_startjmp(); | |
6859 if (SETJMP(lc_jump_env) != 0) | |
6860 { | |
6861 mch_didjmp(); | |
6862 xterm_dpy = NULL; | |
6863 } | |
6864 else | |
6865 #endif | |
6866 { | |
6867 xterm_dpy = XtOpenDisplay(app_context, xterm_display, | |
6868 "vim_xterm", "Vim_xterm", NULL, 0, &z, &strp); | |
6869 #if defined(HAVE_SETJMP_H) | |
6870 mch_endjmp(); | |
6871 #endif | |
6872 } | |
6873 | |
6874 #if defined(HAVE_SETJMP_H) | |
6875 /* Now handle X IO errors normally. */ | |
6876 (void)XSetIOErrorHandler(oldIOhandler); | |
6877 #endif | |
6878 /* Now handle X errors normally. */ | |
6879 (void)XSetErrorHandler(oldhandler); | |
6880 | |
6881 if (xterm_dpy == NULL) | |
6882 { | |
6883 if (p_verbose > 0) | |
292 | 6884 verb_msg((char_u *)_("Opening the X display failed")); |
7 | 6885 return; |
6886 } | |
6887 | |
6888 /* Catch terminating error of the X server connection. */ | |
6889 (void)XSetIOErrorHandler(x_IOerror_handler); | |
6890 | |
6891 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) | |
6892 if (p_verbose > 0) | |
292 | 6893 { |
6894 verbose_enter(); | |
7 | 6895 xopen_message(&start_tv); |
292 | 6896 verbose_leave(); |
6897 } | |
7 | 6898 # endif |
6899 | |
6900 /* Create a Shell to make converters work. */ | |
6901 AppShell = XtVaAppCreateShell("vim_xterm", "Vim_xterm", | |
6902 applicationShellWidgetClass, xterm_dpy, | |
6903 NULL); | |
6904 if (AppShell == (Widget)0) | |
6905 return; | |
6906 xterm_Shell = XtVaCreatePopupShell("VIM", | |
6907 topLevelShellWidgetClass, AppShell, | |
6908 XtNmappedWhenManaged, 0, | |
6909 XtNwidth, 1, | |
6910 XtNheight, 1, | |
6911 NULL); | |
6912 if (xterm_Shell == (Widget)0) | |
6913 return; | |
6914 | |
6915 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
|
6916 x11_setup_selection(xterm_Shell); |
7 | 6917 if (x11_display == NULL) |
6918 x11_display = xterm_dpy; | |
6919 | |
6920 XtRealizeWidget(xterm_Shell); | |
6921 XSync(xterm_dpy, False); | |
6922 xterm_update(); | |
6923 } | |
6924 if (xterm_Shell != (Widget)0) | |
6925 { | |
6926 clip_init(TRUE); | |
6927 if (x11_window == 0 && (strp = getenv("WINDOWID")) != NULL) | |
6928 x11_window = (Window)atol(strp); | |
6929 /* Check if $WINDOWID is valid. */ | |
6930 if (test_x11_window(xterm_dpy) == FAIL) | |
6931 x11_window = 0; | |
6932 if (x11_window != 0) | |
6933 xterm_trace = 0; | |
6934 } | |
6935 } | |
6936 | |
6937 void | |
6938 start_xterm_trace(button) | |
6939 int button; | |
6940 { | |
6941 if (x11_window == 0 || xterm_trace < 0 || xterm_Shell == (Widget)0) | |
6942 return; | |
6943 xterm_trace = 1; | |
6944 xterm_button = button; | |
6945 do_xterm_trace(); | |
6946 } | |
6947 | |
6948 | |
6949 void | |
6950 stop_xterm_trace() | |
6951 { | |
6952 if (xterm_trace < 0) | |
6953 return; | |
6954 xterm_trace = 0; | |
6955 } | |
6956 | |
6957 /* | |
6958 * Query the xterm pointer and generate mouse termcodes if necessary | |
6959 * return TRUE if dragging is active, else FALSE | |
6960 */ | |
6961 static int | |
6962 do_xterm_trace() | |
6963 { | |
6964 Window root, child; | |
6965 int root_x, root_y; | |
6966 int win_x, win_y; | |
6967 int row, col; | |
6968 int_u mask_return; | |
6969 char_u buf[50]; | |
6970 char_u *strp; | |
6971 long got_hints; | |
6972 static char_u *mouse_code; | |
6973 static char_u mouse_name[2] = {KS_MOUSE, KE_FILLER}; | |
6974 static int prev_row = 0, prev_col = 0; | |
6975 static XSizeHints xterm_hints; | |
6976 | |
6977 if (xterm_trace <= 0) | |
6978 return FALSE; | |
6979 | |
6980 if (xterm_trace == 1) | |
6981 { | |
6982 /* Get the hints just before tracking starts. The font size might | |
1510 | 6983 * have changed recently. */ |
6984 if (!XGetWMNormalHints(xterm_dpy, x11_window, &xterm_hints, &got_hints) | |
6985 || !(got_hints & PResizeInc) | |
7 | 6986 || xterm_hints.width_inc <= 1 |
6987 || xterm_hints.height_inc <= 1) | |
6988 { | |
6989 xterm_trace = -1; /* Not enough data -- disable tracing */ | |
6990 return FALSE; | |
6991 } | |
6992 | |
6993 /* Rely on the same mouse code for the duration of this */ | |
6994 mouse_code = find_termcode(mouse_name); | |
6995 prev_row = mouse_row; | |
6996 prev_row = mouse_col; | |
6997 xterm_trace = 2; | |
6998 | |
6999 /* Find the offset of the chars, there might be a scrollbar on the | |
7000 * left of the window and/or a menu on the top (eterm etc.) */ | |
7001 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
7002 &win_x, &win_y, &mask_return); | |
7003 xterm_hints.y = win_y - (xterm_hints.height_inc * mouse_row) | |
7004 - (xterm_hints.height_inc / 2); | |
7005 if (xterm_hints.y <= xterm_hints.height_inc / 2) | |
7006 xterm_hints.y = 2; | |
7007 xterm_hints.x = win_x - (xterm_hints.width_inc * mouse_col) | |
7008 - (xterm_hints.width_inc / 2); | |
7009 if (xterm_hints.x <= xterm_hints.width_inc / 2) | |
7010 xterm_hints.x = 2; | |
7011 return TRUE; | |
7012 } | |
2768 | 7013 if (mouse_code == NULL || STRLEN(mouse_code) > 45) |
7 | 7014 { |
7015 xterm_trace = 0; | |
7016 return FALSE; | |
7017 } | |
7018 | |
7019 XQueryPointer(xterm_dpy, x11_window, &root, &child, &root_x, &root_y, | |
7020 &win_x, &win_y, &mask_return); | |
7021 | |
7022 row = check_row((win_y - xterm_hints.y) / xterm_hints.height_inc); | |
7023 col = check_col((win_x - xterm_hints.x) / xterm_hints.width_inc); | |
7024 if (row == prev_row && col == prev_col) | |
7025 return TRUE; | |
7026 | |
7027 STRCPY(buf, mouse_code); | |
7028 strp = buf + STRLEN(buf); | |
7029 *strp++ = (xterm_button | MOUSE_DRAG) & ~0x20; | |
7030 *strp++ = (char_u)(col + ' ' + 1); | |
7031 *strp++ = (char_u)(row + ' ' + 1); | |
7032 *strp = 0; | |
7033 add_to_input_buf(buf, STRLEN(buf)); | |
7034 | |
7035 prev_row = row; | |
7036 prev_col = col; | |
7037 return TRUE; | |
7038 } | |
7039 | |
7040 # if defined(FEAT_GUI) || defined(PROTO) | |
7041 /* | |
7042 * Destroy the display, window and app_context. Required for GTK. | |
7043 */ | |
7044 void | |
7045 clear_xterm_clip() | |
7046 { | |
7047 if (xterm_Shell != (Widget)0) | |
7048 { | |
7049 XtDestroyWidget(xterm_Shell); | |
7050 xterm_Shell = (Widget)0; | |
7051 } | |
7052 if (xterm_dpy != NULL) | |
7053 { | |
1605 | 7054 # if 0 |
7 | 7055 /* Lesstif and Solaris crash here, lose some memory */ |
7056 XtCloseDisplay(xterm_dpy); | |
1605 | 7057 # endif |
7 | 7058 if (x11_display == xterm_dpy) |
7059 x11_display = NULL; | |
7060 xterm_dpy = NULL; | |
7061 } | |
1605 | 7062 # if 0 |
7 | 7063 if (app_context != (XtAppContext)NULL) |
7064 { | |
7065 /* Lesstif and Solaris crash here, lose some memory */ | |
7066 XtDestroyApplicationContext(app_context); | |
7067 app_context = (XtAppContext)NULL; | |
7068 } | |
1605 | 7069 # endif |
7 | 7070 } |
7071 # endif | |
7072 | |
7073 /* | |
4230 | 7074 * Catch up with GUI or X events. |
7075 */ | |
7076 static void | |
7077 clip_update() | |
7078 { | |
7079 # ifdef FEAT_GUI | |
7080 if (gui.in_use) | |
7081 gui_mch_update(); | |
7082 else | |
7083 # endif | |
7084 if (xterm_Shell != (Widget)0) | |
7085 xterm_update(); | |
7086 } | |
7087 | |
7088 /* | |
7 | 7089 * Catch up with any queued X events. This may put keyboard input into the |
7090 * input buffer, call resize call-backs, trigger timers etc. If there is | |
7091 * nothing in the X event queue (& no timers pending), then we return | |
7092 * immediately. | |
7093 */ | |
7094 static void | |
7095 xterm_update() | |
7096 { | |
7097 XEvent event; | |
7098 | |
7099 while (XtAppPending(app_context) && !vim_is_input_buf_full()) | |
7100 { | |
7101 XtAppNextEvent(app_context, &event); | |
7102 #ifdef FEAT_CLIENTSERVER | |
7103 { | |
7104 XPropertyEvent *e = (XPropertyEvent *)&event; | |
7105 | |
7106 if (e->type == PropertyNotify && e->window == commWindow | |
7107 && e->atom == commProperty && e->state == PropertyNewValue) | |
7108 serverEventProc(xterm_dpy, &event); | |
7109 } | |
7110 #endif | |
7111 XtDispatchEvent(&event); | |
7112 } | |
7113 } | |
7114 | |
7115 int | |
7116 clip_xterm_own_selection(cbd) | |
7117 VimClipboard *cbd; | |
7118 { | |
7119 if (xterm_Shell != (Widget)0) | |
7120 return clip_x11_own_selection(xterm_Shell, cbd); | |
7121 return FAIL; | |
7122 } | |
7123 | |
7124 void | |
7125 clip_xterm_lose_selection(cbd) | |
7126 VimClipboard *cbd; | |
7127 { | |
7128 if (xterm_Shell != (Widget)0) | |
7129 clip_x11_lose_selection(xterm_Shell, cbd); | |
7130 } | |
7131 | |
7132 void | |
7133 clip_xterm_request_selection(cbd) | |
7134 VimClipboard *cbd; | |
7135 { | |
7136 if (xterm_Shell != (Widget)0) | |
7137 clip_x11_request_selection(xterm_Shell, xterm_dpy, cbd); | |
7138 } | |
7139 | |
7140 void | |
7141 clip_xterm_set_selection(cbd) | |
7142 VimClipboard *cbd; | |
7143 { | |
7144 clip_x11_set_selection(cbd); | |
7145 } | |
7146 #endif | |
7147 | |
7148 | |
7149 #if defined(USE_XSMP) || defined(PROTO) | |
7150 /* | |
7151 * Code for X Session Management Protocol. | |
7152 */ | |
7153 static void xsmp_handle_save_yourself __ARGS((SmcConn smc_conn, SmPointer client_data, int save_type, Bool shutdown, int interact_style, Bool fast)); | |
7154 static void xsmp_die __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
7155 static void xsmp_save_complete __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
7156 static void xsmp_shutdown_cancelled __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
7157 static void xsmp_ice_connection __ARGS((IceConn iceConn, IcePointer clientData, Bool opening, IcePointer *watchData)); | |
7158 | |
7159 | |
7160 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
7161 static void xsmp_handle_interaction __ARGS((SmcConn smc_conn, SmPointer client_data)); | |
7162 | |
7163 /* | |
7164 * This is our chance to ask the user if they want to save, | |
7165 * or abort the logout | |
7166 */ | |
7167 static void | |
7168 xsmp_handle_interaction(smc_conn, client_data) | |
7169 SmcConn smc_conn; | |
1883 | 7170 SmPointer client_data UNUSED; |
7 | 7171 { |
7172 cmdmod_T save_cmdmod; | |
7173 int cancel_shutdown = False; | |
7174 | |
7175 save_cmdmod = cmdmod; | |
7176 cmdmod.confirm = TRUE; | |
7177 if (check_changed_any(FALSE)) | |
7178 /* Mustn't logout */ | |
7179 cancel_shutdown = True; | |
7180 cmdmod = save_cmdmod; | |
7181 setcursor(); /* position cursor */ | |
7182 out_flush(); | |
7183 | |
7184 /* Done interaction */ | |
7185 SmcInteractDone(smc_conn, cancel_shutdown); | |
7186 | |
7187 /* Finish off | |
7188 * Only end save-yourself here if we're not cancelling shutdown; | |
7189 * we'll get a cancelled callback later in which we'll end it. | |
7190 * Hopefully get around glitchy SMs (like GNOME-1) | |
7191 */ | |
7192 if (!cancel_shutdown) | |
7193 { | |
7194 xsmp.save_yourself = False; | |
7195 SmcSaveYourselfDone(smc_conn, True); | |
7196 } | |
7197 } | |
7198 # endif | |
7199 | |
7200 /* | |
7201 * Callback that starts save-yourself. | |
7202 */ | |
7203 static void | |
7204 xsmp_handle_save_yourself(smc_conn, client_data, save_type, | |
7205 shutdown, interact_style, fast) | |
7206 SmcConn smc_conn; | |
1883 | 7207 SmPointer client_data UNUSED; |
7208 int save_type UNUSED; | |
7 | 7209 Bool shutdown; |
1883 | 7210 int interact_style UNUSED; |
7211 Bool fast UNUSED; | |
7 | 7212 { |
7213 /* Handle already being in saveyourself */ | |
7214 if (xsmp.save_yourself) | |
7215 SmcSaveYourselfDone(smc_conn, True); | |
7216 xsmp.save_yourself = True; | |
7217 xsmp.shutdown = shutdown; | |
7218 | |
7219 /* First up, preserve all files */ | |
7220 out_flush(); | |
7221 ml_sync_all(FALSE, FALSE); /* preserve all swap files */ | |
7222 | |
7223 if (p_verbose > 0) | |
292 | 7224 verb_msg((char_u *)_("XSMP handling save-yourself request")); |
7 | 7225 |
7226 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT) | |
7227 /* Now see if we can ask about unsaved files */ | |
7228 if (shutdown && !fast && gui.in_use) | |
7229 /* Need to interact with user, but need SM's permission */ | |
7230 SmcInteractRequest(smc_conn, SmDialogError, | |
7231 xsmp_handle_interaction, client_data); | |
7232 else | |
7233 # endif | |
7234 { | |
7235 /* Can stop the cycle here */ | |
7236 SmcSaveYourselfDone(smc_conn, True); | |
7237 xsmp.save_yourself = False; | |
7238 } | |
7239 } | |
7240 | |
7241 | |
7242 /* | |
7243 * Callback to warn us of imminent death. | |
7244 */ | |
7245 static void | |
7246 xsmp_die(smc_conn, client_data) | |
1883 | 7247 SmcConn smc_conn UNUSED; |
7248 SmPointer client_data UNUSED; | |
7 | 7249 { |
7250 xsmp_close(); | |
7251 | |
7252 /* quit quickly leaving swapfiles for modified buffers behind */ | |
7253 getout_preserve_modified(0); | |
7254 } | |
7255 | |
7256 | |
7257 /* | |
7258 * Callback to tell us that save-yourself has completed. | |
7259 */ | |
7260 static void | |
7261 xsmp_save_complete(smc_conn, client_data) | |
1883 | 7262 SmcConn smc_conn UNUSED; |
7263 SmPointer client_data UNUSED; | |
7 | 7264 { |
7265 xsmp.save_yourself = False; | |
7266 } | |
7267 | |
7268 | |
7269 /* | |
7270 * Callback to tell us that an instigated shutdown was cancelled | |
7271 * (maybe even by us) | |
7272 */ | |
7273 static void | |
7274 xsmp_shutdown_cancelled(smc_conn, client_data) | |
7275 SmcConn smc_conn; | |
1883 | 7276 SmPointer client_data UNUSED; |
7 | 7277 { |
7278 if (xsmp.save_yourself) | |
7279 SmcSaveYourselfDone(smc_conn, True); | |
7280 xsmp.save_yourself = False; | |
7281 xsmp.shutdown = False; | |
7282 } | |
7283 | |
7284 | |
7285 /* | |
7286 * Callback to tell us that a new ICE connection has been established. | |
7287 */ | |
7288 static void | |
7289 xsmp_ice_connection(iceConn, clientData, opening, watchData) | |
7290 IceConn iceConn; | |
1883 | 7291 IcePointer clientData UNUSED; |
7 | 7292 Bool opening; |
1883 | 7293 IcePointer *watchData UNUSED; |
7 | 7294 { |
7295 /* Intercept creation of ICE connection fd */ | |
7296 if (opening) | |
7297 { | |
7298 xsmp_icefd = IceConnectionNumber(iceConn); | |
7299 IceRemoveConnectionWatch(xsmp_ice_connection, NULL); | |
7300 } | |
7301 } | |
7302 | |
7303 | |
7304 /* Handle any ICE processing that's required; return FAIL if SM lost */ | |
7305 int | |
7306 xsmp_handle_requests() | |
7307 { | |
7308 Bool rep; | |
7309 | |
7310 if (IceProcessMessages(xsmp.iceconn, NULL, &rep) | |
7311 == IceProcessMessagesIOError) | |
7312 { | |
7313 /* Lost ICE */ | |
7314 if (p_verbose > 0) | |
292 | 7315 verb_msg((char_u *)_("XSMP lost ICE connection")); |
7 | 7316 xsmp_close(); |
7317 return FAIL; | |
7318 } | |
7319 else | |
7320 return OK; | |
7321 } | |
7322 | |
7323 static int dummy; | |
7324 | |
7325 /* Set up X Session Management Protocol */ | |
7326 void | |
7327 xsmp_init(void) | |
7328 { | |
7329 char errorstring[80]; | |
7330 SmcCallbacks smcallbacks; | |
7331 #if 0 | |
7332 SmPropValue smname; | |
7333 SmProp smnameprop; | |
7334 SmProp *smprops[1]; | |
7335 #endif | |
7336 | |
7337 if (p_verbose > 0) | |
292 | 7338 verb_msg((char_u *)_("XSMP opening connection")); |
7 | 7339 |
7340 xsmp.save_yourself = xsmp.shutdown = False; | |
7341 | |
7342 /* Set up SM callbacks - must have all, even if they're not used */ | |
7343 smcallbacks.save_yourself.callback = xsmp_handle_save_yourself; | |
7344 smcallbacks.save_yourself.client_data = NULL; | |
7345 smcallbacks.die.callback = xsmp_die; | |
7346 smcallbacks.die.client_data = NULL; | |
7347 smcallbacks.save_complete.callback = xsmp_save_complete; | |
7348 smcallbacks.save_complete.client_data = NULL; | |
7349 smcallbacks.shutdown_cancelled.callback = xsmp_shutdown_cancelled; | |
7350 smcallbacks.shutdown_cancelled.client_data = NULL; | |
7351 | |
7352 /* Set up a watch on ICE connection creations. The "dummy" argument is | |
7353 * apparently required for FreeBSD (we get a BUS error when using NULL). */ | |
7354 if (IceAddConnectionWatch(xsmp_ice_connection, &dummy) == 0) | |
7355 { | |
7356 if (p_verbose > 0) | |
292 | 7357 verb_msg((char_u *)_("XSMP ICE connection watch failed")); |
7 | 7358 return; |
7359 } | |
7360 | |
7361 /* Create an SM connection */ | |
7362 xsmp.smcconn = SmcOpenConnection( | |
7363 NULL, | |
7364 NULL, | |
7365 SmProtoMajor, | |
7366 SmProtoMinor, | |
7367 SmcSaveYourselfProcMask | SmcDieProcMask | |
7368 | SmcSaveCompleteProcMask | SmcShutdownCancelledProcMask, | |
7369 &smcallbacks, | |
7370 NULL, | |
1605 | 7371 &xsmp.clientid, |
7 | 7372 sizeof(errorstring), |
7373 errorstring); | |
7374 if (xsmp.smcconn == NULL) | |
7375 { | |
7376 char errorreport[132]; | |
273 | 7377 |
292 | 7378 if (p_verbose > 0) |
7379 { | |
7380 vim_snprintf(errorreport, sizeof(errorreport), | |
273 | 7381 _("XSMP SmcOpenConnection failed: %s"), errorstring); |
292 | 7382 verb_msg((char_u *)errorreport); |
7383 } | |
7 | 7384 return; |
7385 } | |
7386 xsmp.iceconn = SmcGetIceConnection(xsmp.smcconn); | |
7387 | |
7388 #if 0 | |
7389 /* ID ourselves */ | |
7390 smname.value = "vim"; | |
7391 smname.length = 3; | |
7392 smnameprop.name = "SmProgram"; | |
7393 smnameprop.type = "SmARRAY8"; | |
7394 smnameprop.num_vals = 1; | |
7395 smnameprop.vals = &smname; | |
7396 | |
7397 smprops[0] = &smnameprop; | |
7398 SmcSetProperties(xsmp.smcconn, 1, smprops); | |
7399 #endif | |
7400 } | |
7401 | |
7402 | |
7403 /* Shut down XSMP comms. */ | |
7404 void | |
7405 xsmp_close() | |
7406 { | |
7407 if (xsmp_icefd != -1) | |
7408 { | |
7409 SmcCloseConnection(xsmp.smcconn, 0, NULL); | |
1737 | 7410 if (xsmp.clientid != NULL) |
7411 free(xsmp.clientid); | |
1605 | 7412 xsmp.clientid = NULL; |
7 | 7413 xsmp_icefd = -1; |
7414 } | |
7415 } | |
7416 #endif /* USE_XSMP */ | |
7417 | |
7418 | |
7419 #ifdef EBCDIC | |
7420 /* Translate character to its CTRL- value */ | |
7421 char CtrlTable[] = | |
7422 { | |
7423 /* 00 - 5E */ | |
7424 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7425 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7426 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7427 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7428 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7429 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7430 /* ^ */ 0x1E, | |
7431 /* - */ 0x1F, | |
7432 /* 61 - 6C */ | |
7433 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7434 /* _ */ 0x1F, | |
7435 /* 6E - 80 */ | |
7436 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7437 /* a */ 0x01, | |
7438 /* b */ 0x02, | |
7439 /* c */ 0x03, | |
7440 /* d */ 0x37, | |
7441 /* e */ 0x2D, | |
7442 /* f */ 0x2E, | |
7443 /* g */ 0x2F, | |
7444 /* h */ 0x16, | |
7445 /* i */ 0x05, | |
7446 /* 8A - 90 */ | |
7447 0, 0, 0, 0, 0, 0, 0, | |
7448 /* j */ 0x15, | |
7449 /* k */ 0x0B, | |
7450 /* l */ 0x0C, | |
7451 /* m */ 0x0D, | |
7452 /* n */ 0x0E, | |
7453 /* o */ 0x0F, | |
7454 /* p */ 0x10, | |
7455 /* q */ 0x11, | |
7456 /* r */ 0x12, | |
7457 /* 9A - A1 */ | |
7458 0, 0, 0, 0, 0, 0, 0, 0, | |
7459 /* s */ 0x13, | |
7460 /* t */ 0x3C, | |
7461 /* u */ 0x3D, | |
7462 /* v */ 0x32, | |
7463 /* w */ 0x26, | |
7464 /* x */ 0x18, | |
7465 /* y */ 0x19, | |
7466 /* z */ 0x3F, | |
7467 /* AA - AC */ | |
7468 0, 0, 0, | |
7469 /* [ */ 0x27, | |
7470 /* AE - BC */ | |
7471 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7472 /* ] */ 0x1D, | |
7473 /* BE - C0 */ 0, 0, 0, | |
7474 /* A */ 0x01, | |
7475 /* B */ 0x02, | |
7476 /* C */ 0x03, | |
7477 /* D */ 0x37, | |
7478 /* E */ 0x2D, | |
7479 /* F */ 0x2E, | |
7480 /* G */ 0x2F, | |
7481 /* H */ 0x16, | |
7482 /* I */ 0x05, | |
7483 /* CA - D0 */ 0, 0, 0, 0, 0, 0, 0, | |
7484 /* J */ 0x15, | |
7485 /* K */ 0x0B, | |
7486 /* L */ 0x0C, | |
7487 /* M */ 0x0D, | |
7488 /* N */ 0x0E, | |
7489 /* O */ 0x0F, | |
7490 /* P */ 0x10, | |
7491 /* Q */ 0x11, | |
7492 /* R */ 0x12, | |
7493 /* DA - DF */ 0, 0, 0, 0, 0, 0, | |
7494 /* \ */ 0x1C, | |
7495 /* E1 */ 0, | |
7496 /* S */ 0x13, | |
7497 /* T */ 0x3C, | |
7498 /* U */ 0x3D, | |
7499 /* V */ 0x32, | |
7500 /* W */ 0x26, | |
7501 /* X */ 0x18, | |
7502 /* Y */ 0x19, | |
7503 /* Z */ 0x3F, | |
7504 /* EA - FF*/ 0, 0, 0, 0, 0, 0, | |
7505 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
7506 }; | |
7507 | |
7508 char MetaCharTable[]= | |
7509 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
7510 0, 0, 0, 0,'\\', 0,'F', 0,'W','M','N', 0, 0, 0, 0, 0, | |
7511 0, 0, 0, 0,']', 0, 0,'G', 0, 0,'R','O', 0, 0, 0, 0, | |
7512 '@','A','B','C','D','E', 0, 0,'H','I','J','K','L', 0, 0, 0, | |
7513 'P','Q', 0,'S','T','U','V', 0,'X','Y','Z','[', 0, 0,'^', 0 | |
7514 }; | |
7515 | |
7516 | |
7517 /* TODO: Use characters NOT numbers!!! */ | |
7518 char CtrlCharTable[]= | |
7519 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ | |
7520 124,193,194,195, 0,201, 0, 0, 0, 0, 0,210,211,212,213,214, | |
7521 215,216,217,226, 0,209,200, 0,231,232, 0, 0,224,189, 95,109, | |
7522 0, 0, 0, 0, 0, 0,230,173, 0, 0, 0, 0, 0,197,198,199, | |
7523 0, 0,229, 0, 0, 0, 0,196, 0, 0, 0, 0,227,228, 0,233, | |
7524 }; | |
7525 | |
7526 | |
7527 #endif |