Mercurial > vim
annotate src/os_unix.h @ 18478:94223687df0e
Added tag v8.1.2233 for changeset e93cab5d0f0f27fad7882f1f412927df055b090d
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Tue, 29 Oct 2019 04:30:05 +0100 |
| parents | 8f4cc259ed7a |
| children | 9007e9896303 |
| rev | line source |
|---|---|
|
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commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 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 | |
|
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patch 8.1.0987: unnecessary condition in #ifdef
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36 #ifdef __CYGWIN__ |
| 7 | 37 # define WIN32UNIX /* Compiling for Win32 using Unix files. */ |
| 38 # define BINARY_FILE_IO | |
| 585 | 39 |
| 40 # define CASE_INSENSITIVE_FILENAME | |
| 41 # define USE_FNAME_CASE /* Fix filename case differences. */ | |
| 7 | 42 #endif |
| 43 | |
| 44 /* On AIX 4.2 there is a conflicting prototype for ioctl() in stropts.h and | |
| 45 * unistd.h. This hack should fix that (suggested by Jeff George). | |
| 46 * But on AIX 4.3 it's alright (suggested by Jake Hamby). */ | |
| 47 #if defined(FEAT_GUI) && defined(_AIX) && !defined(_AIX43) && !defined(_NO_PROTO) | |
| 48 # define _NO_PROTO | |
| 49 #endif | |
| 50 | |
| 51 #ifdef HAVE_UNISTD_H | |
| 1879 | 52 # include <unistd.h> |
| 7 | 53 #endif |
| 54 | |
| 55 #ifdef HAVE_LIBC_H | |
| 56 # include <libc.h> /* for NeXT */ | |
| 57 #endif | |
| 58 | |
| 59 #ifdef HAVE_SYS_PARAM_H | |
| 60 # include <sys/param.h> /* defines BSD, if it's a BSD system */ | |
| 61 #endif | |
| 62 | |
| 63 /* | |
| 64 * Using getcwd() is preferred, because it checks for a buffer overflow. | |
| 65 * Don't use getcwd() on systems do use system("sh -c pwd"). There is an | |
| 66 * autoconf check for this. | |
| 67 * Use getcwd() anyway if getwd() isn't present. | |
| 68 */ | |
| 69 #if defined(HAVE_GETCWD) && !(defined(BAD_GETCWD) && defined(HAVE_GETWD)) | |
| 70 # define USE_GETCWD | |
| 71 #endif | |
| 72 | |
| 73 /* always use unlink() to remove files */ | |
| 74 #ifndef PROTO | |
| 75 # ifdef VMS | |
| 76 # define mch_remove(x) delete((char *)(x)) | |
| 77 # define vim_mkdir(x, y) mkdir((char *)(x), y) | |
| 78 # else | |
| 79 # define vim_mkdir(x, y) mkdir((char *)(x), y) | |
| 80 # define mch_rmdir(x) rmdir((char *)(x)) | |
| 81 # define mch_remove(x) unlink((char *)(x)) | |
| 82 # endif | |
| 83 #endif | |
| 84 | |
| 85 /* The number of arguments to a signal handler is configured here. */ | |
| 86 /* It used to be a long list of almost all systems. Any system that doesn't | |
| 87 * have an argument??? */ | |
| 88 #define SIGHASARG | |
| 89 | |
| 90 /* List 3 arg systems here. I guess __sgi, please test and correct me. jw. */ | |
| 91 #if defined(__sgi) && defined(HAVE_SIGCONTEXT) | |
| 92 # define SIGHAS3ARGS | |
| 93 #endif | |
| 94 | |
| 95 #ifdef SIGHASARG | |
| 96 # ifdef SIGHAS3ARGS | |
| 97 # define SIGPROTOARG (int, int, struct sigcontext *) | |
| 98 # define SIGDEFARG(s) (s, sig2, scont) int s, sig2; struct sigcontext *scont; | |
| 99 # define SIGDUMMYARG 0, 0, (struct sigcontext *)0 | |
| 100 # else | |
| 101 # define SIGPROTOARG (int) | |
| 1877 | 102 # define SIGDEFARG(s) (s) int s UNUSED; |
| 7 | 103 # define SIGDUMMYARG 0 |
| 104 # endif | |
| 105 #else | |
| 106 # define SIGPROTOARG (void) | |
| 107 # define SIGDEFARG(s) () | |
| 108 # define SIGDUMMYARG | |
| 109 #endif | |
| 110 | |
| 111 #ifdef HAVE_DIRENT_H | |
| 112 # include <dirent.h> | |
| 113 # ifndef NAMLEN | |
| 114 # define NAMLEN(dirent) strlen((dirent)->d_name) | |
| 115 # endif | |
| 116 #else | |
| 117 # define dirent direct | |
| 118 # define NAMLEN(dirent) (dirent)->d_namlen | |
| 119 # if HAVE_SYS_NDIR_H | |
| 120 # include <sys/ndir.h> | |
| 121 # endif | |
| 122 # if HAVE_SYS_DIR_H | |
| 123 # include <sys/dir.h> | |
| 124 # endif | |
| 125 # if HAVE_NDIR_H | |
| 126 # include <ndir.h> | |
| 127 # endif | |
| 128 #endif | |
| 129 | |
| 130 #if !defined(HAVE_SYS_TIME_H) || defined(TIME_WITH_SYS_TIME) | |
| 131 # include <time.h> /* on some systems time.h should not be | |
| 132 included together with sys/time.h */ | |
| 133 #endif | |
| 134 #ifdef HAVE_SYS_TIME_H | |
| 135 # include <sys/time.h> | |
| 136 #endif | |
| 137 | |
| 138 #include <signal.h> | |
| 139 | |
| 140 #if defined(DIRSIZ) && !defined(MAXNAMLEN) | |
| 141 # define MAXNAMLEN DIRSIZ | |
| 142 #endif | |
| 143 | |
| 144 #if defined(UFS_MAXNAMLEN) && !defined(MAXNAMLEN) | |
| 145 # define MAXNAMLEN UFS_MAXNAMLEN /* for dynix/ptx */ | |
| 146 #endif | |
| 147 | |
| 148 #if defined(NAME_MAX) && !defined(MAXNAMLEN) | |
| 149 # define MAXNAMLEN NAME_MAX /* for Linux before .99p3 */ | |
| 150 #endif | |
| 151 | |
| 152 /* | |
| 153 * Note: if MAXNAMLEN has the wrong value, you will get error messages | |
| 154 * for not being able to open the swap file. | |
| 155 */ | |
| 156 #if !defined(MAXNAMLEN) | |
| 157 # define MAXNAMLEN 512 /* for all other Unix */ | |
| 158 #endif | |
| 159 | |
| 160 #define BASENAMELEN (MAXNAMLEN - 5) | |
| 161 | |
| 162 #ifdef HAVE_PWD_H | |
| 163 # include <pwd.h> | |
| 164 #endif | |
| 165 | |
| 166 #if (defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT)) \ | |
| 167 || (defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO)) \ | |
| 168 || defined(HAVE_SYSCTL) || defined(HAVE_SYSCONF) | |
| 169 # define HAVE_TOTAL_MEM | |
| 170 #endif | |
| 171 | |
| 3927 | 172 |
| 173 #ifndef PROTO | |
| 174 | |
| 7 | 175 #ifdef VMS |
| 819 | 176 # include <unixio.h> |
| 177 # include <unixlib.h> | |
| 178 # include <signal.h> | |
| 179 # include <file.h> | |
| 180 # include <ssdef.h> | |
| 181 # include <descrip.h> | |
| 182 # include <libclidef.h> | |
| 183 # include <lnmdef.h> | |
| 184 # include <psldef.h> | |
| 185 # include <prvdef.h> | |
| 186 # include <dvidef.h> | |
| 187 # include <dcdef.h> | |
| 188 # include <stsdef.h> | |
| 189 # include <iodef.h> | |
| 190 # include <ttdef.h> | |
| 191 # include <tt2def.h> | |
| 192 # include <jpidef.h> | |
| 193 # include <rms.h> | |
| 194 # include <trmdef.h> | |
| 195 # include <string.h> | |
| 196 # include <starlet.h> | |
| 197 # include <socket.h> | |
| 198 # include <lib$routines.h> | |
| 5541 | 199 # include <libdef.h> |
| 200 # include <libdtdef.h> | |
| 819 | 201 |
| 202 # ifdef FEAT_GUI_GTK | |
| 203 # include "gui_gtk_vms.h" | |
| 204 # endif | |
| 3927 | 205 #endif |
| 7 | 206 |
| 3927 | 207 #endif /* PROTO */ |
| 208 | |
| 209 #ifdef VMS | |
| 7 | 210 typedef struct dsc$descriptor DESC; |
| 211 #endif | |
| 212 | |
| 213 /* | |
| 214 * Unix system-dependent file names | |
| 215 */ | |
| 216 #ifndef SYS_VIMRC_FILE | |
| 217 # define SYS_VIMRC_FILE "$VIM/vimrc" | |
| 218 #endif | |
| 219 #ifndef SYS_GVIMRC_FILE | |
| 220 # define SYS_GVIMRC_FILE "$VIM/gvimrc" | |
| 221 #endif | |
| 222 #ifndef DFLT_HELPFILE | |
| 223 # define DFLT_HELPFILE "$VIMRUNTIME/doc/help.txt" | |
| 224 #endif | |
| 225 #ifndef FILETYPE_FILE | |
| 226 # define FILETYPE_FILE "filetype.vim" | |
| 227 #endif | |
| 228 #ifndef FTPLUGIN_FILE | |
| 229 # define FTPLUGIN_FILE "ftplugin.vim" | |
| 230 #endif | |
| 231 #ifndef INDENT_FILE | |
| 232 # define INDENT_FILE "indent.vim" | |
| 233 #endif | |
| 234 #ifndef FTOFF_FILE | |
| 235 # define FTOFF_FILE "ftoff.vim" | |
| 236 #endif | |
| 237 #ifndef FTPLUGOF_FILE | |
| 238 # define FTPLUGOF_FILE "ftplugof.vim" | |
| 239 #endif | |
| 240 #ifndef INDOFF_FILE | |
| 241 # define INDOFF_FILE "indoff.vim" | |
| 242 #endif | |
| 243 #ifndef SYS_MENU_FILE | |
| 244 # define SYS_MENU_FILE "$VIMRUNTIME/menu.vim" | |
| 245 #endif | |
| 246 | |
| 247 #ifndef USR_EXRC_FILE | |
| 248 # ifdef VMS | |
| 249 # define USR_EXRC_FILE "sys$login:.exrc" | |
| 250 # else | |
| 251 # define USR_EXRC_FILE "$HOME/.exrc" | |
| 252 # endif | |
| 253 #endif | |
| 254 | |
| 255 #if !defined(USR_EXRC_FILE2) && defined(VMS) | |
| 256 # define USR_EXRC_FILE2 "sys$login:_exrc" | |
| 257 #endif | |
| 258 | |
| 259 #ifndef USR_VIMRC_FILE | |
| 260 # ifdef VMS | |
| 261 # define USR_VIMRC_FILE "sys$login:.vimrc" | |
| 262 # else | |
| 263 # define USR_VIMRC_FILE "$HOME/.vimrc" | |
| 264 # endif | |
| 265 #endif | |
| 266 | |
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267 |
| 6783 | 268 #if !defined(USR_VIMRC_FILE2) |
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269 # ifdef VMS |
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270 # define USR_VIMRC_FILE2 "sys$login:vimfiles/vimrc" |
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271 # else |
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272 # define USR_VIMRC_FILE2 "~/.vim/vimrc" |
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273 # endif |
| 7 | 274 #endif |
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275 |
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276 #if !defined(USR_VIMRC_FILE3) && defined(VMS) |
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277 # define USR_VIMRC_FILE3 "sys$login:_vimrc" |
| 7 | 278 #endif |
| 279 | |
| 280 #ifndef USR_GVIMRC_FILE | |
| 281 # ifdef VMS | |
| 282 # define USR_GVIMRC_FILE "sys$login:.gvimrc" | |
| 283 # else | |
| 284 # define USR_GVIMRC_FILE "$HOME/.gvimrc" | |
| 285 # endif | |
| 286 #endif | |
| 287 | |
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288 #ifndef USR_GVIMRC_FILE2 |
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289 # ifdef VMS |
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290 # define USR_GVIMRC_FILE2 "sys$login:vimfiles/gvimrc" |
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291 # else |
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292 # define USR_GVIMRC_FILE2 "~/.vim/gvimrc" |
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293 # endif |
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294 #endif |
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295 |
| 7 | 296 #ifdef VMS |
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297 # ifndef USR_GVIMRC_FILE3 |
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298 # define USR_GVIMRC_FILE3 "sys$login:_gvimrc" |
| 7 | 299 # endif |
| 300 #endif | |
| 301 | |
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302 #ifndef VIM_DEFAULTS_FILE |
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303 # define VIM_DEFAULTS_FILE "$VIMRUNTIME/defaults.vim" |
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304 #endif |
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305 |
| 7 | 306 #ifndef EVIM_FILE |
| 307 # define EVIM_FILE "$VIMRUNTIME/evim.vim" | |
| 308 #endif | |
| 309 | |
| 310 #ifdef FEAT_VIMINFO | |
| 311 # ifndef VIMINFO_FILE | |
| 312 # ifdef VMS | |
| 313 # define VIMINFO_FILE "sys$login:.viminfo" | |
| 314 # else | |
| 315 # define VIMINFO_FILE "$HOME/.viminfo" | |
| 316 # endif | |
| 317 # endif | |
| 318 # if !defined(VIMINFO_FILE2) && defined(VMS) | |
| 319 # define VIMINFO_FILE2 "sys$login:_viminfo" | |
| 320 # endif | |
| 321 #endif | |
| 322 | |
| 323 #ifndef EXRC_FILE | |
| 324 # define EXRC_FILE ".exrc" | |
| 325 #endif | |
| 326 | |
| 327 #ifndef VIMRC_FILE | |
| 328 # define VIMRC_FILE ".vimrc" | |
| 329 #endif | |
| 330 | |
| 331 #ifdef FEAT_GUI | |
| 332 # ifndef GVIMRC_FILE | |
| 333 # define GVIMRC_FILE ".gvimrc" | |
| 334 # endif | |
| 335 #endif | |
| 336 | |
| 337 #ifndef SYNTAX_FNAME | |
| 338 # define SYNTAX_FNAME "$VIMRUNTIME/syntax/%s.vim" | |
| 339 #endif | |
| 340 | |
| 341 #ifndef DFLT_BDIR | |
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342 # ifdef VMS |
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343 # define DFLT_BDIR "./,sys$login:,tmp:" |
| 7 | 344 # else |
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345 # define DFLT_BDIR ".,~/tmp,~/" /* default for 'backupdir' */ |
| 7 | 346 # endif |
| 347 #endif | |
| 348 | |
| 349 #ifndef DFLT_DIR | |
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350 # ifdef VMS |
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351 # define DFLT_DIR "./,sys$login:,tmp:" |
| 7 | 352 # else |
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353 # define DFLT_DIR ".,~/tmp,/var/tmp,/tmp" /* default for 'directory' */ |
| 7 | 354 # endif |
| 355 #endif | |
| 356 | |
| 357 #ifndef DFLT_VDIR | |
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358 # ifdef VMS |
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359 # define DFLT_VDIR "sys$login:vimfiles/view" |
| 7 | 360 # else |
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361 # define DFLT_VDIR "$HOME/.vim/view" /* default for 'viewdir' */ |
| 7 | 362 # endif |
| 363 #endif | |
| 364 | |
| 365 #define DFLT_ERRORFILE "errors.err" | |
| 366 | |
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367 #ifdef VMS |
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368 # define DFLT_RUNTIMEPATH "sys$login:vimfiles,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,sys$login:vimfiles/after" |
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369 # define CLEAN_RUNTIMEPATH "$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after" |
| 7 | 370 #else |
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371 # ifdef RUNTIME_GLOBAL |
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372 # ifdef RUNTIME_GLOBAL_AFTER |
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373 # define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER ",~/.vim/after" |
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374 # define CLEAN_RUNTIMEPATH RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER |
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375 # else |
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376 # define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after,~/.vim/after" |
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377 # define CLEAN_RUNTIMEPATH RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after" |
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378 # endif |
| 7 | 379 # else |
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380 # define DFLT_RUNTIMEPATH "~/.vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,~/.vim/after" |
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381 # define CLEAN_RUNTIMEPATH "$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after" |
| 7 | 382 # endif |
| 383 #endif | |
| 384 | |
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385 #ifdef VMS |
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386 # ifndef VAX |
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387 # define VMS_TEMPNAM /* to fix default .LIS extension */ |
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388 # endif |
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389 # define TEMPNAME "TMP:v?XXXXXX.txt" |
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390 # define TEMPNAMELEN 28 |
| 7 | 391 #else |
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392 /* Try several directories to put the temp files. */ |
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393 # define TEMPDIRNAMES "$TMPDIR", "/tmp", ".", "$HOME" |
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394 # define TEMPNAMELEN 256 |
| 7 | 395 #endif |
| 396 | |
| 397 /* Special wildcards that need to be handled by the shell */ | |
| 398 #define SPECIAL_WILDCHAR "`'{" | |
| 399 | |
| 400 /* | |
| 401 * Unix has plenty of memory, use large buffers | |
| 402 */ | |
| 403 #define CMDBUFFSIZE 1024 /* size of the command processing buffer */ | |
| 1611 | 404 |
| 405 /* Use the system path length if it makes sense. */ | |
| 406 #if defined(PATH_MAX) && (PATH_MAX > 1000) | |
| 407 # define MAXPATHL PATH_MAX | |
| 408 #else | |
| 409 # define MAXPATHL 1024 | |
| 410 #endif | |
| 7 | 411 |
| 412 #define CHECK_INODE /* used when checking if a swap file already | |
| 413 exists for a file */ | |
| 414 #ifdef VMS /* Use less memory because of older systems */ | |
| 415 # ifndef DFLT_MAXMEM | |
| 416 # define DFLT_MAXMEM (2*1024) | |
| 417 # endif | |
| 418 # ifndef DFLT_MAXMEMTOT | |
| 419 # define DFLT_MAXMEMTOT (5*1024) | |
| 420 # endif | |
| 421 #else | |
| 422 # ifndef DFLT_MAXMEM | |
| 423 # define DFLT_MAXMEM (5*1024) /* use up to 5 Mbyte for a buffer */ | |
| 424 # endif | |
| 425 # ifndef DFLT_MAXMEMTOT | |
| 426 # define DFLT_MAXMEMTOT (10*1024) /* use up to 10 Mbyte for Vim */ | |
| 427 # endif | |
| 428 #endif | |
| 429 | |
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430 /* memmove() is not present on all systems, use memmove, bcopy or memcpy. |
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431 * Some systems have (void *) arguments, some (char *). If we use (char *) it |
| 7 | 432 * works for all */ |
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433 #if defined(USEMEMMOVE) || (!defined(USEBCOPY) && !defined(USEMEMCPY)) |
| 7 | 434 # define mch_memmove(to, from, len) memmove((char *)(to), (char *)(from), len) |
| 435 #else | |
| 436 # ifdef USEBCOPY | |
| 437 # define mch_memmove(to, from, len) bcopy((char *)(from), (char *)(to), len) | |
| 438 # else | |
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439 /* ifdef USEMEMCPY */ |
| 7 | 440 # define mch_memmove(to, from, len) memcpy((char *)(to), (char *)(from), len) |
| 441 # endif | |
| 442 #endif | |
| 443 | |
| 444 #ifndef PROTO | |
| 445 # ifdef HAVE_RENAME | |
| 446 # define mch_rename(src, dst) rename(src, dst) | |
| 447 # else | |
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448 int mch_rename(const char *src, const char *dest); |
| 7 | 449 # endif |
| 450 # ifndef VMS | |
| 451 # ifdef __MVS__ | |
| 1204 | 452 /* on OS390 Unix getenv() doesn't return a pointer to persistent |
| 7 | 453 * storage -> use __getenv() */ |
| 454 # define mch_getenv(x) (char_u *)__getenv((char *)(x)) | |
| 455 # else | |
| 456 # define mch_getenv(x) (char_u *)getenv((char *)(x)) | |
| 457 # endif | |
| 458 # define mch_setenv(name, val, x) setenv(name, val, x) | |
| 459 # endif | |
| 460 #endif | |
| 461 | |
| 462 /* Note: Some systems need both string.h and strings.h (Savage). However, | |
| 463 * some systems can't handle both, only use string.h in that case. */ | |
| 464 #ifdef HAVE_STRING_H | |
| 465 # include <string.h> | |
| 466 #endif | |
| 467 #if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H) | |
| 468 # include <strings.h> | |
| 469 #endif | |
| 470 | |
| 471 #if defined(HAVE_SETJMP_H) | |
| 472 # include <setjmp.h> | |
| 473 # ifdef HAVE_SIGSETJMP | |
| 474 # define JMP_BUF sigjmp_buf | |
| 475 # define SETJMP(x) sigsetjmp((x), 1) | |
| 476 # define LONGJMP siglongjmp | |
| 477 # else | |
| 478 # define JMP_BUF jmp_buf | |
| 479 # define SETJMP(x) setjmp(x) | |
| 480 # define LONGJMP longjmp | |
| 481 # endif | |
| 482 #endif | |
| 483 | |
| 5743 | 484 #ifndef HAVE_DUP |
| 485 # define HAVE_DUP /* have dup() */ | |
| 486 #endif | |
| 7 | 487 #define HAVE_ST_MODE /* have stat.st_mode */ |
| 488 | |
| 489 /* We have three kinds of ACL support. */ | |
| 490 #define HAVE_ACL (HAVE_POSIX_ACL || HAVE_SOLARIS_ACL || HAVE_AIX_ACL) |