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comparison src/os_unix.h @ 7:3fc0f57ecb91 v7.0001

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updated for version 7.0001
author vimboss
date Sun, 13 Jun 2004 20:20:40 +0000
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children c10855f07ab0
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6:c2daee826b8f 7:3fc0f57ecb91
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 */
8
9 /*
10 * NextStep has a problem with configure, undefine a few things:
11 */
12 #ifdef NeXT
13 # ifdef HAVE_UTIME
14 # undef HAVE_UTIME
15 # endif
16 # ifdef HAVE_SYS_UTSNAME_H
17 # undef HAVE_SYS_UTSNAME_H
18 # endif
19 #endif
20
21 #include <stdio.h>
22 #include <ctype.h>
23
24 #ifdef VAXC
25 # include <types.h>
26 # include <stat.h>
27 #else
28 # include <sys/types.h>
29 # include <sys/stat.h>
30 #endif
31
32 #ifdef HAVE_STDLIB_H
33 # include <stdlib.h>
34 #endif
35
36 #ifdef __EMX__
37 # define HAVE_TOTAL_MEM
38 #endif
39
40 #if defined(__CYGWIN__) || defined(__CYGWIN32__)
41 # define WIN32UNIX /* Compiling for Win32 using Unix files. */
42 # define BINARY_FILE_IO
43 #endif
44
45 /* On AIX 4.2 there is a conflicting prototype for ioctl() in stropts.h and
46 * unistd.h. This hack should fix that (suggested by Jeff George).
47 * But on AIX 4.3 it's alright (suggested by Jake Hamby). */
48 #if defined(FEAT_GUI) && defined(_AIX) && !defined(_AIX43) && !defined(_NO_PROTO)
49 # define _NO_PROTO
50 #endif
51
52 #ifdef HAVE_UNISTD_H
53 # include <unistd.h>
54 #endif
55
56 #ifdef HAVE_LIBC_H
57 # include <libc.h> /* for NeXT */
58 #endif
59
60 #ifdef HAVE_SYS_PARAM_H
61 # include <sys/param.h> /* defines BSD, if it's a BSD system */
62 #endif
63
64 /*
65 * Sun defines FILE on SunOS 4.x.x, Solaris has a typedef for FILE
66 */
67 #if defined(sun) && !defined(FILE)
68 # define SOLARIS
69 #endif
70
71 /*
72 * Using getcwd() is preferred, because it checks for a buffer overflow.
73 * Don't use getcwd() on systems do use system("sh -c pwd"). There is an
74 * autoconf check for this.
75 * Use getcwd() anyway if getwd() isn't present.
76 */
77 #if defined(HAVE_GETCWD) && !(defined(BAD_GETCWD) && defined(HAVE_GETWD))
78 # define USE_GETCWD
79 #endif
80
81 #ifndef __ARGS
82 /* The AIX VisualAge cc compiler defines __EXTENDED__ instead of __STDC__
83 * because it includes pre-ansi features. */
84 # if defined(__STDC__) || defined(__GNUC__) || defined(__EXTENDED__)
85 # define __ARGS(x) x
86 # else
87 # define __ARGS(x) ()
88 # endif
89 #endif
90
91 /* always use unlink() to remove files */
92 #ifndef PROTO
93 # ifdef VMS
94 # define mch_remove(x) delete((char *)(x))
95 # define vim_mkdir(x, y) mkdir((char *)(x), y)
96 # ifdef VAX
97 # else
98 # define mch_rmdir(x) rmdir((char *)(x))
99 # endif
100 # else
101 # define vim_mkdir(x, y) mkdir((char *)(x), y)
102 # define mch_rmdir(x) rmdir((char *)(x))
103 # define mch_remove(x) unlink((char *)(x))
104 # endif
105 #endif
106
107 /* The number of arguments to a signal handler is configured here. */
108 /* It used to be a long list of almost all systems. Any system that doesn't
109 * have an argument??? */
110 #define SIGHASARG
111
112 /* List 3 arg systems here. I guess __sgi, please test and correct me. jw. */
113 #if defined(__sgi) && defined(HAVE_SIGCONTEXT)
114 # define SIGHAS3ARGS
115 #endif
116
117 #ifdef SIGHASARG
118 # ifdef SIGHAS3ARGS
119 # define SIGPROTOARG (int, int, struct sigcontext *)
120 # define SIGDEFARG(s) (s, sig2, scont) int s, sig2; struct sigcontext *scont;
121 # define SIGDUMMYARG 0, 0, (struct sigcontext *)0
122 # else
123 # define SIGPROTOARG (int)
124 # define SIGDEFARG(s) (s) int s;
125 # define SIGDUMMYARG 0
126 # endif
127 #else
128 # define SIGPROTOARG (void)
129 # define SIGDEFARG(s) ()
130 # define SIGDUMMYARG
131 #endif
132
133 #ifdef HAVE_DIRENT_H
134 # include <dirent.h>
135 # ifndef NAMLEN
136 # define NAMLEN(dirent) strlen((dirent)->d_name)
137 # endif
138 #else
139 # define dirent direct
140 # define NAMLEN(dirent) (dirent)->d_namlen
141 # if HAVE_SYS_NDIR_H
142 # include <sys/ndir.h>
143 # endif
144 # if HAVE_SYS_DIR_H
145 # include <sys/dir.h>
146 # endif
147 # if HAVE_NDIR_H
148 # include <ndir.h>
149 # endif
150 #endif
151
152 #if !defined(HAVE_SYS_TIME_H) || defined(TIME_WITH_SYS_TIME)
153 # include <time.h> /* on some systems time.h should not be
154 included together with sys/time.h */
155 #endif
156 #ifdef HAVE_SYS_TIME_H
157 # include <sys/time.h>
158 #endif
159
160 #include <signal.h>
161
162 #if defined(DIRSIZ) && !defined(MAXNAMLEN)
163 # define MAXNAMLEN DIRSIZ
164 #endif
165
166 #if defined(UFS_MAXNAMLEN) && !defined(MAXNAMLEN)
167 # define MAXNAMLEN UFS_MAXNAMLEN /* for dynix/ptx */
168 #endif
169
170 #if defined(NAME_MAX) && !defined(MAXNAMLEN)
171 # define MAXNAMLEN NAME_MAX /* for Linux before .99p3 */
172 #endif
173
174 /*
175 * Note: if MAXNAMLEN has the wrong value, you will get error messages
176 * for not being able to open the swap file.
177 */
178 #if !defined(MAXNAMLEN)
179 # define MAXNAMLEN 512 /* for all other Unix */
180 #endif
181
182 #define BASENAMELEN (MAXNAMLEN - 5)
183
184 #ifdef HAVE_ERRNO_H
185 # include <errno.h>
186 #endif
187
188 #ifdef HAVE_PWD_H
189 # include <pwd.h>
190 #endif
191
192 #ifdef __COHERENT__
193 # undef __ARGS
194 #endif
195
196 #if (defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT)) \
197 || (defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO)) \
198 || defined(HAVE_SYSCTL) || defined(HAVE_SYSCONF)
199 # define HAVE_TOTAL_MEM
200 #endif
201
202 #ifdef VMS
203 #include <unixio.h>
204 #include <unixlib.h>
205 #include <signal.h>
206 #include <file.h>
207 #include <ssdef.h>
208 #include <descrip.h>
209 #include <libclidef.h>
210 #include <lnmdef.h>
211 #include <psldef.h>
212 #include <prvdef.h>
213 #include <dvidef.h>
214 #include <dcdef.h>
215 #include <stsdef.h>
216 #include <iodef.h>
217 #include <ttdef.h>
218 #include <tt2def.h>
219 #include <jpidef.h>
220 #include <rms.h>
221 #include <trmdef.h>
222 #include <string.h>
223 #include <starlet.h>
224 #include <socket.h>
225 #include <lib$routines.h>
226
227 typedef struct dsc$descriptor DESC;
228 #endif
229
230 /*
231 * Unix system-dependent file names
232 */
233 #ifndef SYS_VIMRC_FILE
234 # define SYS_VIMRC_FILE "$VIM/vimrc"
235 #endif
236 #ifndef SYS_GVIMRC_FILE
237 # define SYS_GVIMRC_FILE "$VIM/gvimrc"
238 #endif
239 #ifndef DFLT_HELPFILE
240 # define DFLT_HELPFILE "$VIMRUNTIME/doc/help.txt"
241 #endif
242 #ifndef FILETYPE_FILE
243 # define FILETYPE_FILE "filetype.vim"
244 #endif
245 #ifndef FTPLUGIN_FILE
246 # define FTPLUGIN_FILE "ftplugin.vim"
247 #endif
248 #ifndef INDENT_FILE
249 # define INDENT_FILE "indent.vim"
250 #endif
251 #ifndef FTOFF_FILE
252 # define FTOFF_FILE "ftoff.vim"
253 #endif
254 #ifndef FTPLUGOF_FILE
255 # define FTPLUGOF_FILE "ftplugof.vim"
256 #endif
257 #ifndef INDOFF_FILE
258 # define INDOFF_FILE "indoff.vim"
259 #endif
260 #ifndef SYS_MENU_FILE
261 # define SYS_MENU_FILE "$VIMRUNTIME/menu.vim"
262 #endif
263
264 #ifndef USR_EXRC_FILE
265 # ifdef VMS
266 # define USR_EXRC_FILE "sys$login:.exrc"
267 # else
268 # define USR_EXRC_FILE "$HOME/.exrc"
269 # endif
270 #endif
271
272 #if !defined(USR_EXRC_FILE2) && defined(OS2)
273 # define USR_EXRC_FILE2 "$VIM/.exrc"
274 #endif
275 #if !defined(USR_EXRC_FILE2) && defined(VMS)
276 # define USR_EXRC_FILE2 "sys$login:_exrc"
277 #endif
278
279 #ifndef USR_VIMRC_FILE
280 # ifdef VMS
281 # define USR_VIMRC_FILE "sys$login:.vimrc"
282 # else
283 # define USR_VIMRC_FILE "$HOME/.vimrc"
284 # endif
285 #endif
286
287 #if !defined(USR_VIMRC_FILE2) && defined(OS2)
288 # define USR_VIMRC_FILE2 "$VIM/.vimrc"
289 #endif
290 #if !defined(USR_VIMRC_FILE2) && defined(VMS)
291 # define USR_VIMRC_FILE2 "sys$login:_vimrc"
292 #endif
293
294 #ifndef USR_GVIMRC_FILE
295 # ifdef VMS
296 # define USR_GVIMRC_FILE "sys$login:.gvimrc"
297 # else
298 # define USR_GVIMRC_FILE "$HOME/.gvimrc"
299 # endif
300 #endif
301
302 #ifdef VMS
303 # ifndef USR_GVIMRC_FILE2
304 # define USR_GVIMRC_FILE2 "sys$login:_gvimrc"
305 # endif
306 #endif
307
308 #ifndef EVIM_FILE
309 # define EVIM_FILE "$VIMRUNTIME/evim.vim"
310 #endif
311
312 #ifdef FEAT_VIMINFO
313 # ifndef VIMINFO_FILE
314 # ifdef VMS
315 # define VIMINFO_FILE "sys$login:.viminfo"
316 # else
317 # define VIMINFO_FILE "$HOME/.viminfo"
318 # endif
319 # endif
320 # if !defined(VIMINFO_FILE2) && defined(OS2)
321 # define VIMINFO_FILE2 "$VIM/.viminfo"
322 # endif
323 # if !defined(VIMINFO_FILE2) && defined(VMS)
324 # define VIMINFO_FILE2 "sys$login:_viminfo"
325 # endif
326 #endif
327
328 #ifndef EXRC_FILE
329 # define EXRC_FILE ".exrc"
330 #endif
331
332 #ifndef VIMRC_FILE
333 # define VIMRC_FILE ".vimrc"
334 #endif
335
336 #ifdef FEAT_GUI
337 # ifndef GVIMRC_FILE
338 # define GVIMRC_FILE ".gvimrc"
339 # endif
340 #endif
341
342 #ifndef SYNTAX_FNAME
343 # define SYNTAX_FNAME "$VIMRUNTIME/syntax/%s.vim"
344 #endif
345
346 #ifndef DFLT_BDIR
347 # ifdef OS2
348 # define DFLT_BDIR ".,c:/tmp,~/tmp,~/"
349 # else
350 # ifdef VMS
351 # define DFLT_BDIR "./,sys$login:,tmp:"
352 # else
353 # define DFLT_BDIR ".,~/tmp,~/" /* default for 'backupdir' */
354 # endif
355 # endif
356 #endif
357
358 #ifndef DFLT_DIR
359 # ifdef OS2
360 # define DFLT_DIR ".,~/tmp,c:/tmp,/tmp"
361 # else
362 # ifdef VMS
363 # define DFLT_DIR "./,sys$login:,tmp:"
364 # else
365 # define DFLT_DIR ".,~/tmp,/var/tmp,/tmp" /* default for 'directory' */
366 # endif
367 # endif
368 #endif
369
370 #ifndef DFLT_VDIR
371 # ifdef OS2
372 # define DFLT_VDIR "$VIM/vimfiles/view"
373 # else
374 # ifdef VMS
375 # define DFLT_VDIR "sys$login:vimfiles/view"
376 # else
377 # define DFLT_VDIR "$HOME/.vim/view" /* default for 'viewdir' */
378 # endif
379 # endif
380 #endif
381
382 #define DFLT_ERRORFILE "errors.err"
383
384 #ifdef OS2
385 # define DFLT_RUNTIMEPATH "$HOME/vimfiles,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,$HOME/vimfiles/after"
386 #else
387 # ifdef VMS
388 # define DFLT_RUNTIMEPATH "sys$login:vimfiles,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,sys$login:vimfiles/after"
389 # else
390 # ifdef RUNTIME_GLOBAL
391 # define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after,~/.vim/after"
392 # else
393 # define DFLT_RUNTIMEPATH "~/.vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,~/.vim/after"
394 # endif
395 # endif
396 #endif
397
398 #ifdef OS2
399 /*
400 * Try several directories to put the temp files.
401 */
402 # define TEMPDIRNAMES "$TMP", "$TEMP", "c:\\TMP", "c:\\TEMP", ""
403 # define TEMPNAMELEN 128
404 #else
405 # ifdef VMS
406 # ifndef VAX
407 # define VMS_TEMPNAM /* to fix default .LIS extension */
408 # endif
409 # define TEMPNAME "TMP:v?XXXXXX.txt"
410 # define TEMPNAMELEN 28
411 # else
412 # define TEMPDIRNAMES "$TMPDIR", "/tmp", ".", "$HOME"
413 # define TEMPNAMELEN 256
414 # endif
415 #endif
416
417 /* Special wildcards that need to be handled by the shell */
418 #define SPECIAL_WILDCHAR "`'{"
419
420 #ifndef HAVE_OPENDIR
421 # define NO_EXPANDPATH
422 #endif
423
424 /*
425 * Unix has plenty of memory, use large buffers
426 */
427 #define CMDBUFFSIZE 1024 /* size of the command processing buffer */
428 #define MAXPATHL 1024 /* Unix has long paths and plenty of memory */
429
430 #define CHECK_INODE /* used when checking if a swap file already
431 exists for a file */
432 #ifdef VMS /* Use less memory because of older systems */
433 # ifndef DFLT_MAXMEM
434 # define DFLT_MAXMEM (2*1024)
435 # endif
436 # ifndef DFLT_MAXMEMTOT
437 # define DFLT_MAXMEMTOT (5*1024)
438 # endif
439 #else
440 # ifndef DFLT_MAXMEM
441 # define DFLT_MAXMEM (5*1024) /* use up to 5 Mbyte for a buffer */
442 # endif
443 # ifndef DFLT_MAXMEMTOT
444 # define DFLT_MAXMEMTOT (10*1024) /* use up to 10 Mbyte for Vim */
445 # endif
446 #endif
447
448 /* memmove is not present on all systems, use memmove, bcopy, memcpy or our
449 * own version */
450 /* Some systems have (void *) arguments, some (char *). If we use (char *) it
451 * works for all */
452 #ifdef USEMEMMOVE
453 # define mch_memmove(to, from, len) memmove((char *)(to), (char *)(from), len)
454 #else
455 # ifdef USEBCOPY
456 # define mch_memmove(to, from, len) bcopy((char *)(from), (char *)(to), len)
457 # else
458 # ifdef USEMEMCPY
459 # define mch_memmove(to, from, len) memcpy((char *)(to), (char *)(from), len)
460 # else
461 # define VIM_MEMMOVE /* found in misc2.c */
462 # endif
463 # endif
464 #endif
465
466 #ifndef PROTO
467 # ifdef HAVE_RENAME
468 # define mch_rename(src, dst) rename(src, dst)
469 # else
470 int mch_rename __ARGS((const char *src, const char *dest));
471 # endif
472 # ifdef VMS
473 # define mch_chdir(s) chdir(vms_fixfilename(s))
474 # else
475 # define mch_chdir(s) chdir(s)
476 # endif
477 # ifndef VMS
478 # ifdef __MVS__
479 /* on OS390 Unix getenv() doesn't return a pointer to persistant
480 * storage -> use __getenv() */
481 # define mch_getenv(x) (char_u *)__getenv((char *)(x))
482 # else
483 # define mch_getenv(x) (char_u *)getenv((char *)(x))
484 # endif
485 # define mch_setenv(name, val, x) setenv(name, val, x)
486 # endif
487 #endif
488
489 #if !defined(S_ISDIR) && defined(S_IFDIR)
490 # define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
491 #endif
492 #if !defined(S_ISREG) && defined(S_IFREG)
493 # define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
494 #endif
495 #if !defined(S_ISBLK) && defined(S_IFBLK)
496 # define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
497 #endif
498 #if !defined(S_ISSOCK) && defined(S_IFSOCK)
499 # define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
500 #endif
501 #if !defined(S_ISFIFO) && defined(S_IFIFO)
502 # define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
503 #endif
504
505 /* Note: Some systems need both string.h and strings.h (Savage). However,
506 * some systems can't handle both, only use string.h in that case. */
507 #ifdef HAVE_STRING_H
508 # include <string.h>
509 #endif
510 #if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
511 # include <strings.h>
512 #endif
513
514 #if defined(HAVE_SETJMP_H)
515 # include <setjmp.h>
516 # ifdef HAVE_SIGSETJMP
517 # define JMP_BUF sigjmp_buf
518 # define SETJMP(x) sigsetjmp((x), 1)
519 # define LONGJMP siglongjmp
520 # else
521 # define JMP_BUF jmp_buf
522 # define SETJMP(x) setjmp(x)
523 # define LONGJMP longjmp
524 # endif
525 #endif
526
527 #define HAVE_DUP /* have dup() */
528 #define HAVE_ST_MODE /* have stat.st_mode */
529
530 /* We have three kinds of ACL support. */
531 #define HAVE_ACL (HAVE_POSIX_ACL || HAVE_SOLARIS_ACL || HAVE_AIX_ACL)