Commit | Line | Data |
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1a578e9b | 1 | /* Unix emulation routines for GNU Emacs on the Mac OS. |
e0f712ba | 2 | Copyright (C) 2000, 2001 Free Software Foundation, Inc. |
1a578e9b AC |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
20 | ||
e0f712ba | 21 | /* Contributed by Andrew Choi (akochoi@mac.com). */ |
1a578e9b AC |
22 | |
23 | #include <config.h> | |
24 | ||
25 | #include <stdio.h> | |
26 | #include <errno.h> | |
27 | #include <utime.h> | |
28 | #include <dirent.h> | |
1000788b | 29 | #include <sys/types.h> |
1a578e9b AC |
30 | #include <sys/stat.h> |
31 | #include <string.h> | |
32 | #include <pwd.h> | |
49e7a2c0 | 33 | #include <grp.h> |
1a578e9b | 34 | #include <sys/param.h> |
1000788b | 35 | #include <stdlib.h> |
2eb46b2d | 36 | #include <fcntl.h> |
1a578e9b AC |
37 | #if __MWERKS__ |
38 | #include <unistd.h> | |
39 | #endif | |
40 | ||
e0f712ba AC |
41 | #ifdef MAC_OSX |
42 | #undef mktime | |
43 | #undef DEBUG | |
44 | #undef free | |
45 | #undef malloc | |
46 | #undef realloc | |
f00691a3 | 47 | #undef init_process |
e0f712ba AC |
48 | #include <Carbon/Carbon.h> |
49 | #undef free | |
50 | #define free unexec_free | |
51 | #undef malloc | |
52 | #define malloc unexec_malloc | |
53 | #undef realloc | |
54 | #define realloc unexec_realloc | |
f00691a3 AC |
55 | #undef init_process |
56 | #define init_process emacs_init_process | |
e0f712ba | 57 | #else /* not MAC_OSX */ |
1a578e9b AC |
58 | #include <Files.h> |
59 | #include <MacTypes.h> | |
60 | #include <TextUtils.h> | |
61 | #include <Folders.h> | |
62 | #include <Resources.h> | |
63 | #include <Aliases.h> | |
64 | #include <FixMath.h> | |
65 | #include <Timer.h> | |
66 | #include <OSA.h> | |
67 | #include <AppleScript.h> | |
e0f712ba AC |
68 | #include <Scrap.h> |
69 | #endif /* not MAC_OSX */ | |
1a578e9b AC |
70 | |
71 | #include "lisp.h" | |
72 | #include "process.h" | |
73 | #include "sysselect.h" | |
74 | #include "systime.h" | |
75 | ||
76 | Lisp_Object QCLIPBOARD; | |
77 | ||
78 | /* An instance of the AppleScript component. */ | |
79 | static ComponentInstance as_scripting_component; | |
80 | /* The single script context used for all script executions. */ | |
81 | static OSAID as_script_context; | |
82 | ||
83 | ||
84 | /* When converting from Mac to Unix pathnames, /'s in folder names are | |
85 | converted to :'s. This function, used in copying folder names, | |
86 | performs a strncat and converts all character a to b in the copy of | |
87 | the string s2 appended to the end of s1. */ | |
88 | ||
89 | void | |
90 | string_cat_and_replace (char *s1, const char *s2, int n, char a, char b) | |
91 | { | |
92 | int l1 = strlen (s1); | |
93 | int l2 = strlen (s2); | |
94 | char *p = s1 + l1; | |
95 | int i; | |
7d0393cf | 96 | |
1a578e9b AC |
97 | strncat (s1, s2, n); |
98 | for (i = 0; i < l2; i++) | |
99 | { | |
100 | if (*p == a) | |
101 | *p = b; | |
102 | p++; | |
103 | } | |
104 | } | |
105 | ||
106 | ||
e0f712ba | 107 | /* Convert a Mac pathname to Posix form. A Mac full pathname is one |
1a578e9b | 108 | that does not begin with a ':' and contains at least one ':'. A Mac |
7d0393cf | 109 | full pathname causes a '/' to be prepended to the Posix pathname. |
1a578e9b AC |
110 | The algorithm for the rest of the pathname is as follows: |
111 | For each segment between two ':', | |
112 | if it is non-null, copy as is and then add a '/' at the end, | |
e0f712ba | 113 | otherwise, insert a "../" into the Posix pathname. |
1a578e9b | 114 | Returns 1 if successful; 0 if fails. */ |
7d0393cf | 115 | |
1a578e9b | 116 | int |
60fe1161 | 117 | mac_to_posix_pathname (const char *mfn, char *ufn, int ufnbuflen) |
1a578e9b AC |
118 | { |
119 | const char *p, *q, *pe; | |
7d0393cf | 120 | |
1a578e9b | 121 | strcpy (ufn, ""); |
7d0393cf | 122 | |
1a578e9b AC |
123 | if (*mfn == '\0') |
124 | return 1; | |
7d0393cf | 125 | |
1a578e9b AC |
126 | p = strchr (mfn, ':'); |
127 | if (p != 0 && p != mfn) /* full pathname */ | |
128 | strcat (ufn, "/"); | |
7d0393cf | 129 | |
1a578e9b AC |
130 | p = mfn; |
131 | if (*p == ':') | |
132 | p++; | |
133 | ||
134 | pe = mfn + strlen (mfn); | |
135 | while (p < pe) | |
136 | { | |
137 | q = strchr (p, ':'); | |
138 | if (q) | |
139 | { | |
140 | if (q == p) | |
141 | { /* two consecutive ':' */ | |
142 | if (strlen (ufn) + 3 >= ufnbuflen) | |
143 | return 0; | |
144 | strcat (ufn, "../"); | |
145 | } | |
146 | else | |
147 | { | |
148 | if (strlen (ufn) + (q - p) + 1 >= ufnbuflen) | |
149 | return 0; | |
150 | string_cat_and_replace (ufn, p, q - p, '/', ':'); | |
151 | strcat (ufn, "/"); | |
152 | } | |
153 | p = q + 1; | |
154 | } | |
155 | else | |
156 | { | |
157 | if (strlen (ufn) + (pe - p) >= ufnbuflen) | |
158 | return 0; | |
159 | string_cat_and_replace (ufn, p, pe - p, '/', ':'); | |
160 | /* no separator for last one */ | |
161 | p = pe; | |
162 | } | |
163 | } | |
7d0393cf | 164 | |
1a578e9b AC |
165 | return 1; |
166 | } | |
167 | ||
168 | ||
169 | extern char *get_temp_dir_name (); | |
170 | ||
171 | ||
e0f712ba | 172 | /* Convert a Posix pathname to Mac form. Approximately reverse of the |
1a578e9b | 173 | above in algorithm. */ |
7d0393cf | 174 | |
1a578e9b | 175 | int |
60fe1161 | 176 | posix_to_mac_pathname (const char *ufn, char *mfn, int mfnbuflen) |
1a578e9b AC |
177 | { |
178 | const char *p, *q, *pe; | |
179 | char expanded_pathname[MAXPATHLEN+1]; | |
7d0393cf | 180 | |
1a578e9b | 181 | strcpy (mfn, ""); |
7d0393cf | 182 | |
1a578e9b AC |
183 | if (*ufn == '\0') |
184 | return 1; | |
185 | ||
186 | p = ufn; | |
7d0393cf | 187 | |
1a578e9b AC |
188 | /* Check for and handle volume names. Last comparison: strangely |
189 | somewhere "/.emacs" is passed. A temporary fix for now. */ | |
190 | if (*p == '/' && strchr (p+1, '/') == NULL && strcmp (p, "/.emacs") != 0) | |
191 | { | |
192 | if (strlen (p) + 1 > mfnbuflen) | |
193 | return 0; | |
194 | strcpy (mfn, p+1); | |
195 | strcat (mfn, ":"); | |
196 | return 1; | |
197 | } | |
198 | ||
199 | /* expand to emacs dir found by init_emacs_passwd_dir */ | |
200 | if (strncmp (p, "~emacs/", 7) == 0) | |
201 | { | |
202 | struct passwd *pw = getpwnam ("emacs"); | |
203 | p += 7; | |
204 | if (strlen (pw->pw_dir) + strlen (p) > MAXPATHLEN) | |
205 | return 0; | |
206 | strcpy (expanded_pathname, pw->pw_dir); | |
207 | strcat (expanded_pathname, p); | |
208 | p = expanded_pathname; | |
209 | /* now p points to the pathname with emacs dir prefix */ | |
210 | } | |
211 | else if (strncmp (p, "/tmp/", 5) == 0) | |
212 | { | |
213 | char *t = get_temp_dir_name (); | |
214 | p += 5; | |
215 | if (strlen (t) + strlen (p) > MAXPATHLEN) | |
216 | return 0; | |
217 | strcpy (expanded_pathname, t); | |
218 | strcat (expanded_pathname, p); | |
219 | p = expanded_pathname; | |
220 | /* now p points to the pathname with emacs dir prefix */ | |
7d0393cf | 221 | } |
1a578e9b AC |
222 | else if (*p != '/') /* relative pathname */ |
223 | strcat (mfn, ":"); | |
7d0393cf | 224 | |
1a578e9b AC |
225 | if (*p == '/') |
226 | p++; | |
227 | ||
228 | pe = p + strlen (p); | |
229 | while (p < pe) | |
230 | { | |
231 | q = strchr (p, '/'); | |
232 | if (q) | |
233 | { | |
234 | if (q - p == 2 && *p == '.' && *(p+1) == '.') | |
235 | { | |
236 | if (strlen (mfn) + 1 >= mfnbuflen) | |
237 | return 0; | |
238 | strcat (mfn, ":"); | |
239 | } | |
240 | else | |
241 | { | |
242 | if (strlen (mfn) + (q - p) + 1 >= mfnbuflen) | |
243 | return 0; | |
244 | string_cat_and_replace (mfn, p, q - p, ':', '/'); | |
245 | strcat (mfn, ":"); | |
246 | } | |
247 | p = q + 1; | |
248 | } | |
249 | else | |
250 | { | |
251 | if (strlen (mfn) + (pe - p) >= mfnbuflen) | |
252 | return 0; | |
253 | string_cat_and_replace (mfn, p, pe - p, ':', '/'); | |
254 | p = pe; | |
255 | } | |
256 | } | |
7d0393cf | 257 | |
1a578e9b AC |
258 | return 1; |
259 | } | |
260 | ||
e0f712ba | 261 | #ifndef MAC_OSX |
1a578e9b AC |
262 | |
263 | /* The following functions with "sys_" prefix are stubs to Unix | |
264 | functions that have already been implemented by CW or MPW. The | |
265 | calls to them in Emacs source course are #define'd to call the sys_ | |
266 | versions by the header files s-mac.h. In these stubs pathnames are | |
267 | converted between their Unix and Mac forms. */ | |
268 | ||
269 | ||
270 | /* Unix epoch is Jan 1, 1970 while Mac epoch is Jan 1, 1904: 66 years | |
271 | + 17 leap days. These are for adjusting time values returned by | |
272 | MacOS Toolbox functions. */ | |
273 | ||
274 | #define MAC_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) | |
275 | ||
276 | #ifdef __MWERKS__ | |
e0f712ba | 277 | #if __MSL__ < 0x6000 |
1a578e9b AC |
278 | /* CW Pro 5 epoch is Jan 1, 1900 (aaarghhhhh!); remember, 1900 is not |
279 | a leap year! This is for adjusting time_t values returned by MSL | |
280 | functions. */ | |
281 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 70 + 17) * 24 * 60 * 60) | |
e0f712ba AC |
282 | #else /* __MSL__ >= 0x6000 */ |
283 | /* CW changes Pro 6 to follow Unix! */ | |
1a578e9b | 284 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) |
e0f712ba | 285 | #endif /* __MSL__ >= 0x6000 */ |
1a578e9b AC |
286 | #elif __MRC__ |
287 | /* MPW library functions follow Unix (confused?). */ | |
288 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) | |
e0f712ba | 289 | #else /* not __MRC__ */ |
1a578e9b | 290 | You lose!!! |
e0f712ba | 291 | #endif /* not __MRC__ */ |
1a578e9b AC |
292 | |
293 | ||
294 | /* Define our own stat function for both MrC and CW. The reason for | |
295 | doing this: "stat" is both the name of a struct and function name: | |
296 | can't use the same trick like that for sys_open, sys_close, etc. to | |
297 | redirect Emacs's calls to our own version that converts Unix style | |
298 | filenames to Mac style filename because all sorts of compilation | |
299 | errors will be generated if stat is #define'd to be sys_stat. */ | |
300 | ||
301 | int | |
302 | stat_noalias (const char *path, struct stat *buf) | |
303 | { | |
304 | char mac_pathname[MAXPATHLEN+1]; | |
305 | CInfoPBRec cipb; | |
306 | ||
60fe1161 | 307 | if (posix_to_mac_pathname (path, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
308 | return -1; |
309 | ||
310 | c2pstr (mac_pathname); | |
311 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
312 | cipb.hFileInfo.ioVRefNum = 0; | |
313 | cipb.hFileInfo.ioDirID = 0; | |
314 | cipb.hFileInfo.ioFDirIndex = 0; | |
315 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 316 | |
1a578e9b AC |
317 | errno = PBGetCatInfo (&cipb, false); |
318 | if (errno == -43) /* -43: fnfErr defined in Errors.h */ | |
319 | errno = ENOENT; | |
320 | if (errno != noErr) | |
321 | return -1; | |
322 | ||
323 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* bit 4 = 1 for directories */ | |
324 | { | |
325 | buf->st_mode = S_IFDIR | S_IREAD | S_IEXEC; | |
7d0393cf | 326 | |
1a578e9b AC |
327 | if (!(cipb.hFileInfo.ioFlAttrib & 0x1)) |
328 | buf->st_mode |= S_IWRITE; /* bit 1 = 1 for locked files/directories */ | |
329 | buf->st_ino = cipb.dirInfo.ioDrDirID; | |
330 | buf->st_dev = cipb.dirInfo.ioVRefNum; | |
331 | buf->st_size = cipb.dirInfo.ioDrNmFls; | |
332 | /* size of dir = number of files and dirs */ | |
333 | buf->st_atime | |
334 | = buf->st_mtime | |
335 | = cipb.dirInfo.ioDrMdDat - MAC_UNIX_EPOCH_DIFF; | |
336 | buf->st_ctime = cipb.dirInfo.ioDrCrDat - MAC_UNIX_EPOCH_DIFF; | |
337 | } | |
338 | else | |
339 | { | |
340 | buf->st_mode = S_IFREG | S_IREAD; | |
341 | if (!(cipb.hFileInfo.ioFlAttrib & 0x1)) | |
342 | buf->st_mode |= S_IWRITE; /* bit 1 = 1 for locked files/directories */ | |
343 | if (cipb.hFileInfo.ioFlFndrInfo.fdType == 'APPL') | |
344 | buf->st_mode |= S_IEXEC; | |
345 | buf->st_ino = cipb.hFileInfo.ioDirID; | |
346 | buf->st_dev = cipb.hFileInfo.ioVRefNum; | |
347 | buf->st_size = cipb.hFileInfo.ioFlLgLen; | |
348 | buf->st_atime | |
349 | = buf->st_mtime | |
350 | = cipb.hFileInfo.ioFlMdDat - MAC_UNIX_EPOCH_DIFF; | |
351 | buf->st_ctime = cipb.hFileInfo.ioFlCrDat - MAC_UNIX_EPOCH_DIFF; | |
352 | } | |
353 | ||
354 | if (cipb.hFileInfo.ioFlFndrInfo.fdFlags & 0x8000) | |
355 | { | |
356 | /* identify alias files as symlinks */ | |
1a578e9b | 357 | buf->st_mode &= ~S_IFREG; |
3b6944ed | 358 | buf->st_mode |= S_IFLNK; |
1a578e9b AC |
359 | } |
360 | ||
361 | buf->st_nlink = 1; | |
362 | buf->st_uid = getuid (); | |
363 | buf->st_gid = getgid (); | |
364 | buf->st_rdev = 0; | |
365 | ||
366 | return 0; | |
367 | } | |
368 | ||
369 | ||
370 | int | |
371 | lstat (const char *path, struct stat *buf) | |
372 | { | |
373 | int result; | |
374 | char true_pathname[MAXPATHLEN+1]; | |
375 | ||
376 | /* Try looking for the file without resolving aliases first. */ | |
377 | if ((result = stat_noalias (path, buf)) >= 0) | |
378 | return result; | |
379 | ||
380 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) | |
381 | return -1; | |
7d0393cf | 382 | |
1a578e9b AC |
383 | return stat_noalias (true_pathname, buf); |
384 | } | |
385 | ||
386 | ||
387 | int | |
388 | stat (const char *path, struct stat *sb) | |
389 | { | |
390 | int result; | |
7d0393cf | 391 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b | 392 | int len; |
7d0393cf | 393 | |
3b6944ed AC |
394 | if ((result = stat_noalias (path, sb)) >= 0 && |
395 | ! (sb->st_mode & S_IFLNK)) | |
1a578e9b AC |
396 | return result; |
397 | ||
398 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) | |
399 | return -1; | |
7d0393cf | 400 | |
1a578e9b AC |
401 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
402 | if (len > -1) | |
403 | { | |
404 | fully_resolved_name[len] = '\0'; | |
405 | /* in fact our readlink terminates strings */ | |
406 | return lstat (fully_resolved_name, sb); | |
407 | } | |
408 | else | |
409 | return lstat (true_pathname, sb); | |
410 | } | |
411 | ||
412 | ||
413 | #if __MRC__ | |
414 | /* CW defines fstat in stat.mac.c while MPW does not provide this | |
415 | function. Without the information of how to get from a file | |
416 | descriptor in MPW StdCLib to a Mac OS file spec, it should be hard | |
417 | to implement this function. Fortunately, there is only one place | |
418 | where this function is called in our configuration: in fileio.c, | |
419 | where only the st_dev and st_ino fields are used to determine | |
420 | whether two fildes point to different i-nodes to prevent copying | |
421 | a file onto itself equal. What we have here probably needs | |
422 | improvement. */ | |
423 | ||
424 | int | |
425 | fstat (int fildes, struct stat *buf) | |
426 | { | |
427 | buf->st_dev = 0; | |
428 | buf->st_ino = fildes; | |
429 | buf->st_mode = S_IFREG; /* added by T.I. for the copy-file */ | |
430 | return 0; /* success */ | |
431 | } | |
432 | #endif /* __MRC__ */ | |
433 | ||
434 | ||
1a578e9b AC |
435 | int |
436 | mkdir (const char *dirname, int mode) | |
437 | { | |
438 | #pragma unused(mode) | |
439 | ||
440 | HFileParam hfpb; | |
441 | char true_pathname[MAXPATHLEN+1], mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 442 | |
1a578e9b AC |
443 | if (find_true_pathname (dirname, true_pathname, MAXPATHLEN+1) == -1) |
444 | return -1; | |
7d0393cf | 445 | |
60fe1161 | 446 | if (posix_to_mac_pathname (true_pathname, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
447 | return -1; |
448 | ||
449 | c2pstr (mac_pathname); | |
450 | hfpb.ioNamePtr = mac_pathname; | |
451 | hfpb.ioVRefNum = 0; /* ignored unless name is invalid */ | |
452 | hfpb.ioDirID = 0; /* parent is the root */ | |
7d0393cf | 453 | |
1a578e9b AC |
454 | errno = PBDirCreate ((HParmBlkPtr) &hfpb, false); |
455 | /* just return the Mac OSErr code for now */ | |
456 | return errno == noErr ? 0 : -1; | |
457 | } | |
458 | ||
459 | ||
460 | #undef rmdir | |
461 | sys_rmdir (const char *dirname) | |
462 | { | |
463 | HFileParam hfpb; | |
464 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 465 | |
60fe1161 | 466 | if (posix_to_mac_pathname (dirname, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
467 | return -1; |
468 | ||
469 | c2pstr (mac_pathname); | |
470 | hfpb.ioNamePtr = mac_pathname; | |
471 | hfpb.ioVRefNum = 0; /* ignored unless name is invalid */ | |
472 | hfpb.ioDirID = 0; /* parent is the root */ | |
7d0393cf | 473 | |
1a578e9b AC |
474 | errno = PBHDelete ((HParmBlkPtr) &hfpb, false); |
475 | return errno == noErr ? 0 : -1; | |
476 | } | |
477 | ||
478 | ||
479 | #ifdef __MRC__ | |
480 | /* No implementation yet. */ | |
481 | int | |
482 | execvp (const char *path, ...) | |
483 | { | |
484 | return -1; | |
485 | } | |
486 | #endif /* __MRC__ */ | |
487 | ||
488 | ||
489 | int | |
490 | utime (const char *path, const struct utimbuf *times) | |
491 | { | |
7d0393cf | 492 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
493 | int len; |
494 | char mac_pathname[MAXPATHLEN+1]; | |
495 | CInfoPBRec cipb; | |
7d0393cf | 496 | |
1a578e9b AC |
497 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
498 | return -1; | |
7d0393cf | 499 | |
1a578e9b AC |
500 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
501 | if (len > -1) | |
502 | fully_resolved_name[len] = '\0'; | |
503 | else | |
504 | strcpy (fully_resolved_name, true_pathname); | |
505 | ||
60fe1161 | 506 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
507 | return -1; |
508 | ||
509 | c2pstr (mac_pathname); | |
510 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
511 | cipb.hFileInfo.ioVRefNum = 0; | |
512 | cipb.hFileInfo.ioDirID = 0; | |
7d0393cf | 513 | cipb.hFileInfo.ioFDirIndex = 0; |
1a578e9b | 514 | /* set to 0 to get information about specific dir or file */ |
7d0393cf | 515 | |
1a578e9b AC |
516 | errno = PBGetCatInfo (&cipb, false); |
517 | if (errno != noErr) | |
518 | return -1; | |
519 | ||
520 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* bit 4 = 1 for directories */ | |
521 | { | |
522 | if (times) | |
523 | cipb.dirInfo.ioDrMdDat = times->modtime + MAC_UNIX_EPOCH_DIFF; | |
524 | else | |
525 | GetDateTime (&cipb.dirInfo.ioDrMdDat); | |
526 | } | |
527 | else | |
528 | { | |
529 | if (times) | |
530 | cipb.hFileInfo.ioFlMdDat = times->modtime + MAC_UNIX_EPOCH_DIFF; | |
531 | else | |
532 | GetDateTime (&cipb.hFileInfo.ioFlMdDat); | |
533 | } | |
534 | ||
535 | errno = PBSetCatInfo (&cipb, false); | |
536 | return errno == noErr ? 0 : -1; | |
537 | } | |
538 | ||
539 | ||
540 | #ifndef F_OK | |
541 | #define F_OK 0 | |
542 | #endif | |
543 | #ifndef X_OK | |
544 | #define X_OK 1 | |
545 | #endif | |
546 | #ifndef W_OK | |
547 | #define W_OK 2 | |
548 | #endif | |
549 | ||
550 | /* Like stat, but test for access mode in hfpb.ioFlAttrib */ | |
551 | int | |
552 | access (const char *path, int mode) | |
553 | { | |
7d0393cf | 554 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
555 | int len; |
556 | char mac_pathname[MAXPATHLEN+1]; | |
557 | CInfoPBRec cipb; | |
7d0393cf | 558 | |
1a578e9b AC |
559 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
560 | return -1; | |
7d0393cf | 561 | |
1a578e9b AC |
562 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
563 | if (len > -1) | |
564 | fully_resolved_name[len] = '\0'; | |
565 | else | |
566 | strcpy (fully_resolved_name, true_pathname); | |
567 | ||
60fe1161 | 568 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
569 | return -1; |
570 | ||
571 | c2pstr (mac_pathname); | |
572 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
573 | cipb.hFileInfo.ioVRefNum = 0; | |
574 | cipb.hFileInfo.ioDirID = 0; | |
575 | cipb.hFileInfo.ioFDirIndex = 0; | |
576 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 577 | |
1a578e9b AC |
578 | errno = PBGetCatInfo (&cipb, false); |
579 | if (errno != noErr) | |
580 | return -1; | |
581 | ||
582 | if (mode == F_OK) /* got this far, file exists */ | |
583 | return 0; | |
584 | ||
585 | if (mode & X_OK) | |
586 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* path refers to a directory */ | |
587 | return 0; | |
588 | else | |
589 | { | |
590 | if (cipb.hFileInfo.ioFlFndrInfo.fdType == 'APPL') | |
591 | return 0; | |
592 | else | |
593 | return -1; | |
594 | } | |
595 | ||
596 | if (mode & W_OK) | |
597 | return (cipb.hFileInfo.ioFlAttrib & 0x1) ? -1 : 0; | |
598 | /* don't allow if lock bit is on */ | |
599 | ||
600 | return -1; | |
601 | } | |
602 | ||
603 | ||
604 | #define DEV_NULL_FD 0x10000 | |
605 | ||
606 | #undef open | |
607 | int | |
608 | sys_open (const char *path, int oflag) | |
609 | { | |
7d0393cf | 610 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
611 | int len; |
612 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 613 | |
1a578e9b AC |
614 | if (strcmp (path, "/dev/null") == 0) |
615 | return DEV_NULL_FD; /* some bogus fd to be ignored in write */ | |
7d0393cf | 616 | |
1a578e9b AC |
617 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
618 | return -1; | |
7d0393cf | 619 | |
1a578e9b AC |
620 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
621 | if (len > -1) | |
622 | fully_resolved_name[len] = '\0'; | |
623 | else | |
624 | strcpy (fully_resolved_name, true_pathname); | |
625 | ||
60fe1161 | 626 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
627 | return -1; |
628 | else | |
629 | { | |
630 | #ifdef __MRC__ | |
3b6944ed AC |
631 | int res = open (mac_pathname, oflag); |
632 | /* if (oflag == O_WRONLY || oflag == O_RDWR) */ | |
633 | if (oflag & O_CREAT) | |
1a578e9b | 634 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); |
3b6944ed | 635 | return res; |
e0f712ba | 636 | #else /* not __MRC__ */ |
1a578e9b | 637 | return open (mac_pathname, oflag); |
e0f712ba | 638 | #endif /* not __MRC__ */ |
1a578e9b AC |
639 | } |
640 | } | |
641 | ||
642 | ||
643 | #undef creat | |
644 | int | |
645 | sys_creat (const char *path, mode_t mode) | |
646 | { | |
7d0393cf | 647 | char true_pathname[MAXPATHLEN+1]; |
1a578e9b AC |
648 | int len; |
649 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 650 | |
1a578e9b AC |
651 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
652 | return -1; | |
653 | ||
60fe1161 | 654 | if (!posix_to_mac_pathname (true_pathname, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
655 | return -1; |
656 | else | |
657 | { | |
658 | #ifdef __MRC__ | |
659 | int result = creat (mac_pathname); | |
660 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); | |
661 | return result; | |
e0f712ba | 662 | #else /* not __MRC__ */ |
1a578e9b | 663 | return creat (mac_pathname, mode); |
e0f712ba | 664 | #endif /* not __MRC__ */ |
1a578e9b AC |
665 | } |
666 | } | |
667 | ||
668 | ||
669 | #undef unlink | |
670 | int | |
671 | sys_unlink (const char *path) | |
672 | { | |
7d0393cf | 673 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
674 | int len; |
675 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 676 | |
1a578e9b AC |
677 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
678 | return -1; | |
7d0393cf | 679 | |
1a578e9b AC |
680 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
681 | if (len > -1) | |
682 | fully_resolved_name[len] = '\0'; | |
683 | else | |
684 | strcpy (fully_resolved_name, true_pathname); | |
685 | ||
60fe1161 | 686 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
687 | return -1; |
688 | else | |
689 | return unlink (mac_pathname); | |
690 | } | |
691 | ||
692 | ||
693 | #undef read | |
694 | int | |
695 | sys_read (int fildes, char *buf, int count) | |
696 | { | |
697 | if (fildes == 0) /* this should not be used for console input */ | |
698 | return -1; | |
699 | else | |
e0f712ba | 700 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
701 | return _read (fildes, buf, count); |
702 | #else | |
703 | return read (fildes, buf, count); | |
704 | #endif | |
705 | } | |
706 | ||
707 | ||
708 | #undef write | |
709 | int | |
710 | sys_write (int fildes, const char *buf, int count) | |
711 | { | |
712 | if (fildes == DEV_NULL_FD) | |
713 | return count; | |
714 | else | |
e0f712ba | 715 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
716 | return _write (fildes, buf, count); |
717 | #else | |
718 | return write (fildes, buf, count); | |
719 | #endif | |
720 | } | |
721 | ||
722 | ||
723 | #undef rename | |
724 | int | |
725 | sys_rename (const char * old_name, const char * new_name) | |
726 | { | |
727 | char true_old_pathname[MAXPATHLEN+1], true_new_pathname[MAXPATHLEN+1]; | |
7d0393cf | 728 | char fully_resolved_old_name[MAXPATHLEN+1]; |
1a578e9b AC |
729 | int len; |
730 | char mac_old_name[MAXPATHLEN+1], mac_new_name[MAXPATHLEN+1]; | |
7d0393cf | 731 | |
1a578e9b AC |
732 | if (find_true_pathname (old_name, true_old_pathname, MAXPATHLEN+1) == -1) |
733 | return -1; | |
7d0393cf | 734 | |
1a578e9b AC |
735 | len = readlink (true_old_pathname, fully_resolved_old_name, MAXPATHLEN); |
736 | if (len > -1) | |
737 | fully_resolved_old_name[len] = '\0'; | |
738 | else | |
739 | strcpy (fully_resolved_old_name, true_old_pathname); | |
740 | ||
741 | if (find_true_pathname (new_name, true_new_pathname, MAXPATHLEN+1) == -1) | |
742 | return -1; | |
7d0393cf | 743 | |
1a578e9b AC |
744 | if (strcmp (fully_resolved_old_name, true_new_pathname) == 0) |
745 | return 0; | |
746 | ||
60fe1161 | 747 | if (!posix_to_mac_pathname (fully_resolved_old_name, |
1a578e9b AC |
748 | mac_old_name, |
749 | MAXPATHLEN+1)) | |
750 | return -1; | |
7d0393cf | 751 | |
60fe1161 | 752 | if (!posix_to_mac_pathname(true_new_pathname, mac_new_name, MAXPATHLEN+1)) |
1a578e9b AC |
753 | return -1; |
754 | ||
755 | /* If a file with new_name already exists, rename deletes the old | |
756 | file in Unix. CW version fails in these situation. So we add a | |
757 | call to unlink here. */ | |
758 | (void) unlink (mac_new_name); | |
7d0393cf | 759 | |
1a578e9b AC |
760 | return rename (mac_old_name, mac_new_name); |
761 | } | |
762 | ||
763 | ||
764 | #undef fopen | |
765 | extern FILE *fopen (const char *name, const char *mode); | |
766 | FILE * | |
767 | sys_fopen (const char *name, const char *mode) | |
768 | { | |
7d0393cf | 769 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
770 | int len; |
771 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 772 | |
1a578e9b AC |
773 | if (find_true_pathname (name, true_pathname, MAXPATHLEN+1) == -1) |
774 | return 0; | |
7d0393cf | 775 | |
1a578e9b AC |
776 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
777 | if (len > -1) | |
778 | fully_resolved_name[len] = '\0'; | |
779 | else | |
780 | strcpy (fully_resolved_name, true_pathname); | |
781 | ||
60fe1161 | 782 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
783 | return 0; |
784 | else | |
785 | { | |
786 | #ifdef __MRC__ | |
787 | if (mode[0] == 'w' || mode[0] == 'a') | |
788 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); | |
e0f712ba | 789 | #endif /* not __MRC__ */ |
1a578e9b AC |
790 | return fopen (mac_pathname, mode); |
791 | } | |
792 | } | |
793 | ||
794 | ||
795 | #include <Events.h> | |
796 | ||
797 | long target_ticks = 0; | |
798 | ||
799 | #ifdef __MRC__ | |
800 | __sigfun alarm_signal_func = (__sigfun) 0; | |
801 | #elif __MWERKS__ | |
802 | __signal_func_ptr alarm_signal_func = (__signal_func_ptr) 0; | |
e0f712ba | 803 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 804 | You lose!!! |
e0f712ba | 805 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
806 | |
807 | ||
808 | /* These functions simulate SIG_ALRM. The stub for function signal | |
809 | stores the signal handler function in alarm_signal_func if a | |
810 | SIG_ALRM is encountered. check_alarm is called in XTread_socket, | |
811 | which emacs calls periodically. A pending alarm is represented by | |
812 | a non-zero target_ticks value. check_alarm calls the handler | |
813 | function pointed to by alarm_signal_func if one has been set up and | |
814 | an alarm is pending. */ | |
815 | ||
816 | void | |
817 | check_alarm () | |
818 | { | |
819 | if (target_ticks && TickCount () > target_ticks) | |
820 | { | |
821 | target_ticks = 0; | |
822 | if (alarm_signal_func) | |
823 | (*alarm_signal_func)(SIGALRM); | |
824 | } | |
825 | } | |
826 | ||
827 | ||
828 | int | |
e0f712ba | 829 | select (n, rfds, wfds, efds, timeout) |
1a578e9b AC |
830 | int n; |
831 | SELECT_TYPE *rfds; | |
832 | SELECT_TYPE *wfds; | |
833 | SELECT_TYPE *efds; | |
834 | struct timeval *timeout; | |
835 | { | |
e0f712ba AC |
836 | #ifdef TARGET_API_MAC_CARBON |
837 | return 1; | |
838 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
839 | EMACS_TIME end_time, now; |
840 | EventRecord e; | |
1a578e9b AC |
841 | |
842 | /* Can only handle wait for keyboard input. */ | |
843 | if (n > 1 || wfds || efds) | |
844 | return -1; | |
845 | ||
846 | EMACS_GET_TIME (end_time); | |
847 | EMACS_ADD_TIME (end_time, end_time, *timeout); | |
7d0393cf | 848 | |
1a578e9b AC |
849 | do |
850 | { | |
851 | /* Also return true if an event other than a keyDown has | |
852 | occurred. This causes kbd_buffer_get_event in keyboard.c to | |
853 | call read_avail_input which in turn calls XTread_socket to | |
854 | poll for these events. Otherwise these never get processed | |
855 | except but a very slow poll timer. */ | |
856 | if (FD_ISSET (0, rfds) && EventAvail (everyEvent, &e)) | |
857 | return 1; | |
858 | ||
859 | /* Also check movement of the mouse. */ | |
860 | { | |
861 | Point mouse_pos; | |
862 | static Point old_mouse_pos = {-1, -1}; | |
7d0393cf | 863 | |
1a578e9b AC |
864 | GetMouse (&mouse_pos); |
865 | if (!EqualPt (mouse_pos, old_mouse_pos)) | |
866 | { | |
867 | old_mouse_pos = mouse_pos; | |
868 | return 1; | |
869 | } | |
870 | } | |
7d0393cf | 871 | |
e0f712ba AC |
872 | WaitNextEvent (0, &e, 1UL, NULL); /* Accept no event; wait 1 |
873 | tic. by T.I. */ | |
7d0393cf | 874 | |
1a578e9b AC |
875 | EMACS_GET_TIME (now); |
876 | EMACS_SUB_TIME (now, end_time, now); | |
877 | } | |
878 | while (!EMACS_TIME_NEG_P (now)); | |
879 | ||
880 | return 0; | |
e0f712ba | 881 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
882 | } |
883 | ||
884 | ||
885 | /* Called in sys_select to wait for an alarm signal to arrive. */ | |
886 | ||
887 | int | |
888 | pause () | |
889 | { | |
fa0b4c14 AC |
890 | EventRecord e; |
891 | unsigned long tick; | |
7d0393cf | 892 | |
1a578e9b AC |
893 | if (!target_ticks) /* no alarm pending */ |
894 | return -1; | |
895 | ||
e0f712ba AC |
896 | if ((tick = TickCount ()) < target_ticks) |
897 | WaitNextEvent (0, &e, target_ticks - tick, NULL); /* Accept no event; | |
898 | just wait. by T.I. */ | |
7d0393cf | 899 | |
1a578e9b AC |
900 | target_ticks = 0; |
901 | if (alarm_signal_func) | |
902 | (*alarm_signal_func)(SIGALRM); | |
7d0393cf | 903 | |
1a578e9b AC |
904 | return 0; |
905 | } | |
906 | ||
907 | ||
908 | int | |
909 | alarm (int seconds) | |
910 | { | |
911 | long remaining = target_ticks ? (TickCount () - target_ticks) / 60 : 0; | |
7d0393cf | 912 | |
1a578e9b | 913 | target_ticks = seconds ? TickCount () + 60 * seconds : 0; |
7d0393cf | 914 | |
1a578e9b AC |
915 | return (remaining < 0) ? 0 : (unsigned int) remaining; |
916 | } | |
917 | ||
918 | ||
919 | #undef signal | |
920 | #ifdef __MRC__ | |
921 | extern __sigfun signal (int signal, __sigfun signal_func); | |
922 | __sigfun | |
923 | sys_signal (int signal_num, __sigfun signal_func) | |
924 | #elif __MWERKS__ | |
925 | extern __signal_func_ptr signal (int signal, __signal_func_ptr signal_func); | |
926 | __signal_func_ptr | |
927 | sys_signal (int signal_num, __signal_func_ptr signal_func) | |
e0f712ba | 928 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 929 | You lose!!! |
e0f712ba | 930 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
931 | { |
932 | if (signal_num != SIGALRM) | |
933 | return signal (signal_num, signal_func); | |
934 | else | |
935 | { | |
936 | #ifdef __MRC__ | |
7d0393cf | 937 | __sigfun old_signal_func; |
1a578e9b | 938 | #elif __MWERKS__ |
7d0393cf | 939 | __signal_func_ptr old_signal_func; |
1a578e9b AC |
940 | #else |
941 | You lose!!! | |
942 | #endif | |
943 | old_signal_func = alarm_signal_func; | |
944 | alarm_signal_func = signal_func; | |
945 | return old_signal_func; | |
946 | } | |
947 | } | |
948 | ||
949 | ||
950 | /* gettimeofday should return the amount of time (in a timeval | |
951 | structure) since midnight today. The toolbox function Microseconds | |
952 | returns the number of microseconds (in a UnsignedWide value) since | |
953 | the machine was booted. Also making this complicated is WideAdd, | |
954 | WideSubtract, etc. take wide values. */ | |
955 | ||
956 | int | |
957 | gettimeofday (tp) | |
958 | struct timeval *tp; | |
959 | { | |
960 | static inited = 0; | |
961 | static wide wall_clock_at_epoch, clicks_at_epoch; | |
962 | UnsignedWide uw_microseconds; | |
963 | wide w_microseconds; | |
964 | time_t sys_time (time_t *); | |
965 | ||
966 | /* If this function is called for the first time, record the number | |
967 | of seconds since midnight and the number of microseconds since | |
968 | boot at the time of this first call. */ | |
969 | if (!inited) | |
970 | { | |
971 | time_t systime; | |
972 | inited = 1; | |
973 | systime = sys_time (NULL); | |
974 | /* Store microseconds since midnight in wall_clock_at_epoch. */ | |
975 | WideMultiply (systime, 1000000L, &wall_clock_at_epoch); | |
976 | Microseconds (&uw_microseconds); | |
977 | /* Store microseconds since boot in clicks_at_epoch. */ | |
978 | clicks_at_epoch.hi = uw_microseconds.hi; | |
979 | clicks_at_epoch.lo = uw_microseconds.lo; | |
980 | } | |
981 | ||
982 | /* Get time since boot */ | |
983 | Microseconds (&uw_microseconds); | |
7d0393cf | 984 | |
1a578e9b AC |
985 | /* Convert to time since midnight*/ |
986 | w_microseconds.hi = uw_microseconds.hi; | |
987 | w_microseconds.lo = uw_microseconds.lo; | |
988 | WideSubtract (&w_microseconds, &clicks_at_epoch); | |
989 | WideAdd (&w_microseconds, &wall_clock_at_epoch); | |
990 | tp->tv_sec = WideDivide (&w_microseconds, 1000000L, &tp->tv_usec); | |
991 | ||
992 | return 0; | |
993 | } | |
994 | ||
995 | ||
996 | #ifdef __MRC__ | |
997 | unsigned int | |
998 | sleep (unsigned int seconds) | |
999 | { | |
bc04fb2c | 1000 | unsigned long time_up; |
fa0b4c14 AC |
1001 | EventRecord e; |
1002 | ||
bc04fb2c AC |
1003 | time_up = TickCount () + seconds * 60; |
1004 | while (TickCount () < time_up) | |
1005 | { | |
1006 | /* Accept no event; just wait. by T.I. */ | |
1007 | WaitNextEvent (0, &e, 30, NULL); | |
1008 | } | |
1a578e9b | 1009 | |
1a578e9b AC |
1010 | return (0); |
1011 | } | |
1012 | #endif /* __MRC__ */ | |
1013 | ||
1014 | ||
1015 | /* The time functions adjust time values according to the difference | |
1016 | between the Unix and CW epoches. */ | |
1017 | ||
1018 | #undef gmtime | |
1019 | extern struct tm *gmtime (const time_t *); | |
1020 | struct tm * | |
1021 | sys_gmtime (const time_t *timer) | |
1022 | { | |
1023 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
7d0393cf | 1024 | |
1a578e9b AC |
1025 | return gmtime (&unix_time); |
1026 | } | |
1027 | ||
1028 | ||
1029 | #undef localtime | |
1030 | extern struct tm *localtime (const time_t *); | |
1031 | struct tm * | |
1032 | sys_localtime (const time_t *timer) | |
1033 | { | |
e0f712ba | 1034 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1035 | time_t unix_time = *timer; |
1036 | #else | |
1037 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1038 | #endif | |
7d0393cf | 1039 | |
1a578e9b AC |
1040 | return localtime (&unix_time); |
1041 | } | |
1042 | ||
1043 | ||
1044 | #undef ctime | |
1045 | extern char *ctime (const time_t *); | |
1046 | char * | |
1047 | sys_ctime (const time_t *timer) | |
1048 | { | |
e0f712ba | 1049 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1050 | time_t unix_time = *timer; |
1051 | #else | |
1052 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1053 | #endif | |
7d0393cf | 1054 | |
1a578e9b AC |
1055 | return ctime (&unix_time); |
1056 | } | |
1057 | ||
1058 | ||
1059 | #undef time | |
1060 | extern time_t time (time_t *); | |
1061 | time_t | |
1062 | sys_time (time_t *timer) | |
1063 | { | |
e0f712ba | 1064 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1065 | time_t mac_time = time (NULL); |
1066 | #else | |
1067 | time_t mac_time = time (NULL) - CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1068 | #endif | |
1069 | ||
1070 | if (timer) | |
1071 | *timer = mac_time; | |
7d0393cf | 1072 | |
1a578e9b AC |
1073 | return mac_time; |
1074 | } | |
1075 | ||
1076 | ||
1077 | /* MPW strftime broken for "%p" format */ | |
1078 | #ifdef __MRC__ | |
1079 | #undef strftime | |
1080 | #include <time.h> | |
1081 | size_t | |
1082 | sys_strftime (char * s, size_t maxsize, const char * format, | |
1083 | const struct tm * timeptr) | |
1084 | { | |
1085 | if (strcmp (format, "%p") == 0) | |
1086 | { | |
1087 | if (maxsize < 3) | |
1088 | return 0; | |
1089 | if (timeptr->tm_hour < 12) | |
1090 | { | |
1091 | strcpy (s, "AM"); | |
1092 | return 2; | |
1093 | } | |
1094 | else | |
1095 | { | |
1096 | strcpy (s, "PM"); | |
1097 | return 2; | |
1098 | } | |
1099 | } | |
1100 | else | |
1101 | return strftime (s, maxsize, format, timeptr); | |
1102 | } | |
1103 | #endif /* __MRC__ */ | |
1104 | ||
1105 | ||
1106 | /* no subprocesses, empty wait */ | |
1107 | ||
1108 | int | |
1109 | wait (int pid) | |
1110 | { | |
1111 | return 0; | |
1112 | } | |
1113 | ||
1114 | ||
1115 | void | |
1116 | croak (char *badfunc) | |
1117 | { | |
1118 | printf ("%s not yet implemented\r\n", badfunc); | |
1119 | exit (1); | |
1120 | } | |
1121 | ||
1122 | ||
1123 | char * | |
1124 | index (const char * str, int chr) | |
1125 | { | |
1126 | return strchr (str, chr); | |
1127 | } | |
1128 | ||
1129 | ||
1130 | char * | |
1131 | mktemp (char *template) | |
1132 | { | |
1133 | int len, k; | |
1134 | static seqnum = 0; | |
7d0393cf | 1135 | |
1a578e9b AC |
1136 | len = strlen (template); |
1137 | k = len - 1; | |
1138 | while (k >= 0 && template[k] == 'X') | |
1139 | k--; | |
7d0393cf | 1140 | |
1a578e9b | 1141 | k++; /* make k index of first 'X' */ |
7d0393cf | 1142 | |
1a578e9b AC |
1143 | if (k < len) |
1144 | { | |
1145 | /* Zero filled, number of digits equal to the number of X's. */ | |
1146 | sprintf (&template[k], "%0*d", len-k, seqnum++); | |
7d0393cf | 1147 | |
1a578e9b AC |
1148 | return template; |
1149 | } | |
1150 | else | |
7d0393cf | 1151 | return 0; |
1a578e9b AC |
1152 | } |
1153 | ||
1154 | ||
1155 | /* Emulate getpwuid, getpwnam and others. */ | |
1156 | ||
1157 | #define PASSWD_FIELD_SIZE 256 | |
1158 | ||
1159 | static char my_passwd_name[PASSWD_FIELD_SIZE]; | |
1160 | static char my_passwd_dir[MAXPATHLEN+1]; | |
1161 | ||
7d0393cf | 1162 | static struct passwd my_passwd = |
1a578e9b AC |
1163 | { |
1164 | my_passwd_name, | |
1165 | my_passwd_dir, | |
1166 | }; | |
1167 | ||
49e7a2c0 LH |
1168 | static struct group my_group = |
1169 | { | |
1170 | /* There are no groups on the mac, so we just return "root" as the | |
1171 | group name. */ | |
1172 | "root", | |
1173 | }; | |
1174 | ||
1a578e9b AC |
1175 | |
1176 | /* Initialized by main () in macterm.c to pathname of emacs directory. */ | |
1177 | ||
1178 | char emacs_passwd_dir[MAXPATHLEN+1]; | |
1179 | ||
1180 | char * | |
1181 | getwd (char *); | |
1182 | ||
1183 | void | |
1184 | init_emacs_passwd_dir () | |
1185 | { | |
1186 | int found = false; | |
1187 | ||
1188 | if (getwd (emacs_passwd_dir) && getwd (my_passwd_dir)) | |
1189 | { | |
1190 | /* Need pathname of first ancestor that begins with "emacs" | |
1191 | since Mac emacs application is somewhere in the emacs-* | |
1192 | tree. */ | |
1193 | int len = strlen (emacs_passwd_dir); | |
1194 | int j = len - 1; | |
1195 | /* j points to the "/" following the directory name being | |
1196 | compared. */ | |
1197 | int i = j - 1; | |
1198 | while (i >= 0 && !found) | |
1199 | { | |
1200 | while (i >= 0 && emacs_passwd_dir[i] != '/') | |
1201 | i--; | |
1202 | if (emacs_passwd_dir[i] == '/' && i+5 < len) | |
1203 | found = (strncmp (&(emacs_passwd_dir[i+1]), "emacs", 5) == 0); | |
1204 | if (found) | |
1205 | emacs_passwd_dir[j+1] = '\0'; | |
1206 | else | |
1207 | { | |
1208 | j = i; | |
1209 | i = j - 1; | |
1210 | } | |
1211 | } | |
1212 | } | |
7d0393cf | 1213 | |
1a578e9b AC |
1214 | if (!found) |
1215 | { | |
1216 | /* Setting to "/" probably won't work but set it to something | |
1217 | anyway. */ | |
1218 | strcpy (emacs_passwd_dir, "/"); | |
1219 | strcpy (my_passwd_dir, "/"); | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | ||
7d0393cf | 1224 | static struct passwd emacs_passwd = |
1a578e9b AC |
1225 | { |
1226 | "emacs", | |
1227 | emacs_passwd_dir, | |
1228 | }; | |
1229 | ||
1230 | static int my_passwd_inited = 0; | |
1231 | ||
1232 | ||
1233 | static void | |
1234 | init_my_passwd () | |
1235 | { | |
1236 | char **owner_name; | |
1237 | ||
1238 | /* Note: my_passwd_dir initialized in int_emacs_passwd_dir to | |
1239 | directory where Emacs was started. */ | |
1240 | ||
1241 | owner_name = (char **) GetResource ('STR ',-16096); | |
1242 | if (owner_name) | |
1243 | { | |
1244 | HLock (owner_name); | |
1245 | BlockMove ((unsigned char *) *owner_name, | |
1246 | (unsigned char *) my_passwd_name, | |
1247 | *owner_name[0]+1); | |
1248 | HUnlock (owner_name); | |
1249 | p2cstr ((unsigned char *) my_passwd_name); | |
1250 | } | |
1251 | else | |
1252 | my_passwd_name[0] = 0; | |
1253 | } | |
1254 | ||
1255 | ||
1256 | struct passwd * | |
1257 | getpwuid (uid_t uid) | |
1258 | { | |
1259 | if (!my_passwd_inited) | |
7d0393cf | 1260 | { |
1a578e9b AC |
1261 | init_my_passwd (); |
1262 | my_passwd_inited = 1; | |
1263 | } | |
7d0393cf | 1264 | |
1a578e9b AC |
1265 | return &my_passwd; |
1266 | } | |
1267 | ||
1268 | ||
49e7a2c0 LH |
1269 | struct group * |
1270 | getgrgid (gid_t gid) | |
1271 | { | |
1272 | return &my_group; | |
1273 | } | |
1274 | ||
1275 | ||
1a578e9b AC |
1276 | struct passwd * |
1277 | getpwnam (const char *name) | |
1278 | { | |
1279 | if (strcmp (name, "emacs") == 0) | |
1280 | return &emacs_passwd; | |
1281 | ||
1282 | if (!my_passwd_inited) | |
7d0393cf | 1283 | { |
1a578e9b AC |
1284 | init_my_passwd (); |
1285 | my_passwd_inited = 1; | |
1286 | } | |
7d0393cf | 1287 | |
1a578e9b AC |
1288 | return &my_passwd; |
1289 | } | |
1290 | ||
1291 | ||
1292 | /* The functions fork, kill, sigsetmask, sigblock, request_sigio, | |
1293 | setpgrp, setpriority, and unrequest_sigio are defined to be empty | |
1294 | as in msdos.c. */ | |
1295 | ||
1296 | ||
1297 | int | |
1298 | fork () | |
1299 | { | |
1300 | return -1; | |
1301 | } | |
1302 | ||
1303 | ||
1304 | int | |
1305 | kill (int x, int y) | |
1306 | { | |
1307 | return -1; | |
1308 | } | |
1309 | ||
1310 | ||
1311 | void | |
1312 | sys_subshell () | |
1313 | { | |
1314 | error ("Can't spawn subshell"); | |
1315 | } | |
1316 | ||
1317 | ||
1318 | int | |
1319 | sigsetmask (int x) | |
1320 | { | |
1321 | return 0; | |
1322 | } | |
1323 | ||
1324 | ||
1325 | int | |
1326 | sigblock (int mask) | |
1327 | { | |
1328 | return 0; | |
7d0393cf | 1329 | } |
1a578e9b AC |
1330 | |
1331 | ||
1332 | void | |
1333 | request_sigio (void) | |
1334 | { | |
1335 | } | |
1336 | ||
1337 | ||
1338 | void | |
1339 | unrequest_sigio (void) | |
1340 | { | |
1341 | } | |
1342 | ||
1343 | ||
1344 | int | |
1345 | setpgrp () | |
1346 | { | |
1347 | return 0; | |
1348 | } | |
1349 | ||
1350 | ||
1351 | /* No pipes yet. */ | |
1352 | ||
1353 | int | |
1354 | pipe (int _fildes[2]) | |
1355 | { | |
1356 | errno = EACCES; | |
1357 | return -1; | |
1358 | } | |
1359 | ||
1360 | ||
1361 | /* Hard and symbolic links. */ | |
1362 | ||
1363 | int | |
1364 | symlink (const char *name1, const char *name2) | |
1365 | { | |
1366 | errno = ENOENT; | |
1367 | return -1; | |
1368 | } | |
1369 | ||
1370 | ||
1371 | int | |
1372 | link (const char *name1, const char *name2) | |
1373 | { | |
1374 | errno = ENOENT; | |
1375 | return -1; | |
1376 | } | |
1377 | ||
e0f712ba | 1378 | #endif /* ! MAC_OSX */ |
1a578e9b AC |
1379 | |
1380 | /* Determine the path name of the file specified by VREFNUM, DIRID, | |
1381 | and NAME and place that in the buffer PATH of length | |
1382 | MAXPATHLEN. */ | |
1383 | int | |
1384 | path_from_vol_dir_name (char *path, int man_path_len, short vol_ref_num, | |
1385 | long dir_id, ConstStr255Param name) | |
1386 | { | |
1387 | Str255 dir_name; | |
1388 | CInfoPBRec cipb; | |
1389 | OSErr err; | |
1390 | ||
1391 | if (strlen (name) > man_path_len) | |
1392 | return 0; | |
1393 | ||
1394 | memcpy (dir_name, name, name[0]+1); | |
1395 | memcpy (path, name, name[0]+1); | |
1396 | p2cstr (path); | |
1397 | ||
1398 | cipb.dirInfo.ioDrParID = dir_id; | |
1399 | cipb.dirInfo.ioNamePtr = dir_name; | |
1400 | ||
1401 | do | |
1402 | { | |
1403 | cipb.dirInfo.ioVRefNum = vol_ref_num; | |
1404 | cipb.dirInfo.ioFDirIndex = -1; | |
1405 | cipb.dirInfo.ioDrDirID = cipb.dirInfo.ioDrParID; | |
1406 | /* go up to parent each time */ | |
1407 | ||
1408 | err = PBGetCatInfo (&cipb, false); | |
1409 | if (err != noErr) | |
1410 | return 0; | |
7d0393cf | 1411 | |
1a578e9b AC |
1412 | p2cstr (dir_name); |
1413 | if (strlen (dir_name) + strlen (path) + 1 >= man_path_len) | |
1414 | return 0; | |
1415 | ||
1416 | strcat (dir_name, ":"); | |
1417 | strcat (dir_name, path); | |
1418 | /* attach to front since we're going up directory tree */ | |
1419 | strcpy (path, dir_name); | |
1420 | } | |
1421 | while (cipb.dirInfo.ioDrDirID != fsRtDirID); | |
1422 | /* stop when we see the volume's root directory */ | |
7d0393cf | 1423 | |
1a578e9b AC |
1424 | return 1; /* success */ |
1425 | } | |
1426 | ||
e0f712ba | 1427 | #ifndef MAC_OSX |
1a578e9b AC |
1428 | |
1429 | int | |
1430 | readlink (const char *path, char *buf, int bufsiz) | |
1431 | { | |
1432 | char mac_sym_link_name[MAXPATHLEN+1]; | |
1433 | OSErr err; | |
1434 | FSSpec fsspec; | |
1435 | Boolean target_is_folder, was_aliased; | |
1436 | Str255 directory_name, mac_pathname; | |
1437 | CInfoPBRec cipb; | |
1438 | ||
60fe1161 | 1439 | if (posix_to_mac_pathname (path, mac_sym_link_name, MAXPATHLEN+1) == 0) |
1a578e9b AC |
1440 | return -1; |
1441 | ||
1442 | c2pstr (mac_sym_link_name); | |
1443 | err = FSMakeFSSpec (0, 0, mac_sym_link_name, &fsspec); | |
1444 | if (err != noErr) | |
1445 | { | |
1446 | errno = ENOENT; | |
1447 | return -1; | |
1448 | } | |
1449 | ||
1450 | err = ResolveAliasFile (&fsspec, true, &target_is_folder, &was_aliased); | |
1451 | if (err != noErr || !was_aliased) | |
1452 | { | |
1453 | errno = ENOENT; | |
1454 | return -1; | |
1455 | } | |
1456 | ||
1457 | if (path_from_vol_dir_name (mac_pathname, 255, fsspec.vRefNum, fsspec.parID, | |
1458 | fsspec.name) == 0) | |
1459 | { | |
1460 | errno = ENOENT; | |
1461 | return -1; | |
1462 | } | |
1463 | ||
60fe1161 | 1464 | if (mac_to_posix_pathname (mac_pathname, buf, bufsiz) == 0) |
1a578e9b AC |
1465 | { |
1466 | errno = ENOENT; | |
1467 | return -1; | |
1468 | } | |
1469 | ||
1470 | return strlen (buf); | |
1471 | } | |
1472 | ||
1473 | ||
1474 | /* Convert a path to one with aliases fully expanded. */ | |
1475 | ||
1476 | static int | |
1477 | find_true_pathname (const char *path, char *buf, int bufsiz) | |
1478 | { | |
1479 | char *q, temp[MAXPATHLEN+1]; | |
1480 | const char *p; | |
1481 | int len; | |
1482 | ||
1483 | if (bufsiz <= 0 || path == 0 || path[0] == '\0') | |
1484 | return -1; | |
1485 | ||
1486 | buf[0] = '\0'; | |
7d0393cf | 1487 | |
1a578e9b AC |
1488 | p = path; |
1489 | if (*p == '/') | |
1490 | q = strchr (p + 1, '/'); | |
1491 | else | |
1492 | q = strchr (p, '/'); | |
1493 | len = 0; /* loop may not be entered, e.g., for "/" */ | |
1494 | ||
1495 | while (q) | |
1496 | { | |
1497 | strcpy (temp, buf); | |
1498 | strncat (temp, p, q - p); | |
1499 | len = readlink (temp, buf, bufsiz); | |
1500 | if (len <= -1) | |
1501 | { | |
1502 | if (strlen (temp) + 1 > bufsiz) | |
1503 | return -1; | |
1504 | strcpy (buf, temp); | |
1505 | } | |
1506 | strcat (buf, "/"); | |
1507 | len++; | |
1508 | p = q + 1; | |
1509 | q = strchr(p, '/'); | |
1510 | } | |
7d0393cf | 1511 | |
1a578e9b AC |
1512 | if (len + strlen (p) + 1 >= bufsiz) |
1513 | return -1; | |
7d0393cf | 1514 | |
1a578e9b AC |
1515 | strcat (buf, p); |
1516 | return len + strlen (p); | |
1517 | } | |
1518 | ||
1519 | ||
1520 | mode_t | |
1521 | umask (mode_t numask) | |
1522 | { | |
1523 | static mode_t mask = 022; | |
1524 | mode_t oldmask = mask; | |
1525 | mask = numask; | |
1526 | return oldmask; | |
1527 | } | |
1528 | ||
1529 | ||
1530 | int | |
1531 | chmod (const char *path, mode_t mode) | |
1532 | { | |
1533 | /* say it always succeed for now */ | |
1534 | return 0; | |
1535 | } | |
1536 | ||
1537 | ||
1538 | int | |
1539 | dup (int oldd) | |
1540 | { | |
1541 | #ifdef __MRC__ | |
1542 | return fcntl (oldd, F_DUPFD, 0); | |
1543 | #elif __MWERKS__ | |
1544 | /* current implementation of fcntl in fcntl.mac.c simply returns old | |
1545 | descriptor */ | |
1546 | return fcntl (oldd, F_DUPFD); | |
1547 | #else | |
1548 | You lose!!! | |
1549 | #endif | |
1550 | } | |
1551 | ||
1552 | ||
1553 | /* This is from the original sysdep.c. Emulate BSD dup2. First close | |
1554 | newd if it already exists. Then, attempt to dup oldd. If not | |
1555 | successful, call dup2 recursively until we are, then close the | |
1556 | unsuccessful ones. */ | |
1557 | ||
1558 | int | |
1559 | dup2 (int oldd, int newd) | |
1560 | { | |
1561 | int fd, ret; | |
7d0393cf | 1562 | |
1a578e9b AC |
1563 | close (newd); |
1564 | ||
1565 | fd = dup (oldd); | |
1566 | if (fd == -1) | |
1567 | return -1; | |
1568 | if (fd == newd) | |
1569 | return newd; | |
1570 | ret = dup2 (oldd, newd); | |
1571 | close (fd); | |
1572 | return ret; | |
1573 | } | |
1574 | ||
1575 | ||
1576 | /* let it fail for now */ | |
1577 | ||
1578 | char * | |
1579 | sbrk (int incr) | |
1580 | { | |
1581 | return (char *) -1; | |
1582 | } | |
1583 | ||
1584 | ||
1585 | int | |
1586 | fsync (int fd) | |
1587 | { | |
1588 | return 0; | |
1589 | } | |
1590 | ||
1591 | ||
1592 | int | |
1593 | ioctl (int d, int request, void *argp) | |
1594 | { | |
1595 | return -1; | |
1596 | } | |
1597 | ||
1598 | ||
1599 | #ifdef __MRC__ | |
1600 | int | |
1601 | isatty (int fildes) | |
1602 | { | |
1603 | if (fildes >=0 && fildes <= 2) | |
1604 | return 1; | |
1605 | else | |
1606 | return 0; | |
1607 | } | |
1608 | ||
1609 | ||
1610 | int | |
1611 | getgid () | |
1612 | { | |
1613 | return 100; | |
1614 | } | |
1615 | ||
1616 | ||
1617 | int | |
1618 | getegid () | |
1619 | { | |
1620 | return 100; | |
1621 | } | |
1622 | ||
1623 | ||
1624 | int | |
1625 | getuid () | |
1626 | { | |
1627 | return 200; | |
1628 | } | |
1629 | ||
1630 | ||
1631 | int | |
1632 | geteuid () | |
1633 | { | |
1634 | return 200; | |
1635 | } | |
1636 | #endif /* __MRC__ */ | |
1637 | ||
1638 | ||
1639 | #ifdef __MWERKS__ | |
e0f712ba | 1640 | #if __MSL__ < 0x6000 |
1a578e9b AC |
1641 | #undef getpid |
1642 | int | |
1643 | getpid () | |
1644 | { | |
1645 | return 9999; | |
1646 | } | |
1647 | #endif | |
1648 | #endif /* __MWERKS__ */ | |
1649 | ||
e0f712ba AC |
1650 | #endif /* ! MAC_OSX */ |
1651 | ||
1a578e9b AC |
1652 | |
1653 | /* Return the path to the directory in which Emacs can create | |
1654 | temporary files. The MacOS "temporary items" directory cannot be | |
1655 | used because it removes the file written by a process when it | |
1656 | exits. In that sense it's more like "/dev/null" than "/tmp" (but | |
1657 | again not exactly). And of course Emacs needs to read back the | |
1658 | files written by its subprocesses. So here we write the files to a | |
1659 | directory "Emacs" in the Preferences Folder. This directory is | |
1660 | created if it does not exist. */ | |
1661 | ||
e0f712ba | 1662 | char * |
1a578e9b AC |
1663 | get_temp_dir_name () |
1664 | { | |
1665 | static char *temp_dir_name = NULL; | |
1666 | short vol_ref_num; | |
1667 | long dir_id; | |
1668 | OSErr err; | |
1669 | Str255 dir_name, full_path; | |
1670 | CInfoPBRec cpb; | |
1671 | char unix_dir_name[MAXPATHLEN+1]; | |
1672 | DIR *dir; | |
7d0393cf | 1673 | |
1a578e9b AC |
1674 | /* Cache directory name with pointer temp_dir_name. |
1675 | Look for it only the first time. */ | |
1676 | if (!temp_dir_name) | |
1677 | { | |
1678 | err = FindFolder (kOnSystemDisk, kPreferencesFolderType, kCreateFolder, | |
1679 | &vol_ref_num, &dir_id); | |
1680 | if (err != noErr) | |
1681 | return NULL; | |
7d0393cf | 1682 | |
1a578e9b AC |
1683 | if (!path_from_vol_dir_name (full_path, 255, vol_ref_num, dir_id, "\p")) |
1684 | return NULL; | |
1685 | ||
1686 | if (strlen (full_path) + 6 <= MAXPATHLEN) | |
1687 | strcat (full_path, "Emacs:"); | |
7d0393cf | 1688 | else |
1a578e9b AC |
1689 | return NULL; |
1690 | ||
60fe1161 | 1691 | if (!mac_to_posix_pathname (full_path, unix_dir_name, MAXPATHLEN+1)) |
1a578e9b | 1692 | return NULL; |
7d0393cf | 1693 | |
1a578e9b AC |
1694 | dir = opendir (unix_dir_name); /* check whether temp directory exists */ |
1695 | if (dir) | |
1696 | closedir (dir); | |
1697 | else if (mkdir (unix_dir_name, 0700) != 0) /* create it if not */ | |
1698 | return NULL; | |
1699 | ||
1700 | temp_dir_name = (char *) malloc (strlen (unix_dir_name) + 1); | |
1701 | strcpy (temp_dir_name, unix_dir_name); | |
1702 | } | |
1703 | ||
1704 | return temp_dir_name; | |
1705 | } | |
1706 | ||
e0f712ba | 1707 | #ifndef MAC_OSX |
1a578e9b AC |
1708 | |
1709 | /* Allocate and construct an array of pointers to strings from a list | |
1710 | of strings stored in a 'STR#' resource. The returned pointer array | |
1711 | is stored in the style of argv and environ: if the 'STR#' resource | |
7d0393cf | 1712 | contains numString strings, a pointer array with numString+1 |
1a578e9b AC |
1713 | elements is returned in which the last entry contains a null |
1714 | pointer. The pointer to the pointer array is passed by pointer in | |
1715 | parameter t. The resource ID of the 'STR#' resource is passed in | |
1716 | parameter StringListID. | |
1717 | */ | |
1718 | ||
1719 | void | |
1720 | get_string_list (char ***t, short string_list_id) | |
1721 | { | |
1722 | Handle h; | |
1723 | Ptr p; | |
1724 | int i, num_strings; | |
1725 | ||
1726 | h = GetResource ('STR#', string_list_id); | |
1727 | if (h) | |
1728 | { | |
1729 | HLock (h); | |
1730 | p = *h; | |
1731 | num_strings = * (short *) p; | |
1732 | p += sizeof(short); | |
1733 | *t = (char **) malloc (sizeof (char *) * (num_strings + 1)); | |
1734 | for (i = 0; i < num_strings; i++) | |
1735 | { | |
1736 | short length = *p++; | |
1737 | (*t)[i] = (char *) malloc (length + 1); | |
1738 | strncpy ((*t)[i], p, length); | |
1739 | (*t)[i][length] = '\0'; | |
1740 | p += length; | |
1741 | } | |
1742 | (*t)[num_strings] = 0; | |
1743 | HUnlock (h); | |
1744 | } | |
1745 | else | |
1746 | { | |
1747 | /* Return no string in case GetResource fails. Bug fixed by | |
1748 | Ikegami Tsutomu. Caused MPW build to crash without sym -on | |
1749 | option (no sym -on implies -opt local). */ | |
1750 | *t = (char **) malloc (sizeof (char *)); | |
1751 | (*t)[0] = 0; | |
1752 | } | |
1753 | } | |
1754 | ||
1755 | ||
1756 | static char * | |
1757 | get_path_to_system_folder () | |
1758 | { | |
1759 | short vol_ref_num; | |
1760 | long dir_id; | |
1761 | OSErr err; | |
1762 | Str255 dir_name, full_path; | |
1763 | CInfoPBRec cpb; | |
1764 | static char system_folder_unix_name[MAXPATHLEN+1]; | |
1765 | DIR *dir; | |
7d0393cf | 1766 | |
1a578e9b AC |
1767 | err = FindFolder (kOnSystemDisk, kSystemFolderType, kDontCreateFolder, |
1768 | &vol_ref_num, &dir_id); | |
1769 | if (err != noErr) | |
1770 | return NULL; | |
7d0393cf | 1771 | |
1a578e9b AC |
1772 | if (!path_from_vol_dir_name (full_path, 255, vol_ref_num, dir_id, "\p")) |
1773 | return NULL; | |
1774 | ||
e0f712ba AC |
1775 | if (!mac_to_posix_pathname (full_path, system_folder_unix_name, |
1776 | MAXPATHLEN+1)) | |
1a578e9b | 1777 | return NULL; |
7d0393cf | 1778 | |
1a578e9b AC |
1779 | return system_folder_unix_name; |
1780 | } | |
1781 | ||
1782 | ||
1783 | char **environ; | |
1784 | ||
1785 | #define ENVIRON_STRING_LIST_ID 128 | |
1786 | ||
1787 | /* Get environment variable definitions from STR# resource. */ | |
1788 | ||
1789 | void | |
1790 | init_environ () | |
1791 | { | |
1792 | int i; | |
7d0393cf | 1793 | |
1a578e9b AC |
1794 | get_string_list (&environ, ENVIRON_STRING_LIST_ID); |
1795 | ||
1796 | i = 0; | |
1797 | while (environ[i]) | |
1798 | i++; | |
1799 | ||
1800 | /* Make HOME directory the one Emacs starts up in if not specified | |
1801 | by resource. */ | |
1802 | if (getenv ("HOME") == NULL) | |
1803 | { | |
1804 | environ = (char **) realloc (environ, sizeof (char *) * (i + 2)); | |
1805 | if (environ) | |
1806 | { | |
1807 | environ[i] = (char *) malloc (strlen (my_passwd_dir) + 6); | |
1808 | if (environ[i]) | |
1809 | { | |
1810 | strcpy (environ[i], "HOME="); | |
1811 | strcat (environ[i], my_passwd_dir); | |
1812 | } | |
1813 | environ[i+1] = 0; | |
1814 | i++; | |
1815 | } | |
1816 | } | |
1817 | ||
1818 | /* Make HOME directory the one Emacs starts up in if not specified | |
1819 | by resource. */ | |
1820 | if (getenv ("MAIL") == NULL) | |
1821 | { | |
1822 | environ = (char **) realloc (environ, sizeof (char *) * (i + 2)); | |
1823 | if (environ) | |
1824 | { | |
1825 | char * path_to_system_folder = get_path_to_system_folder (); | |
1826 | environ[i] = (char *) malloc (strlen (path_to_system_folder) + 22); | |
1827 | if (environ[i]) | |
1828 | { | |
1829 | strcpy (environ[i], "MAIL="); | |
1830 | strcat (environ[i], path_to_system_folder); | |
1831 | strcat (environ[i], "Eudora Folder/In"); | |
1832 | } | |
1833 | environ[i+1] = 0; | |
1834 | } | |
1835 | } | |
1836 | } | |
1837 | ||
1838 | ||
1839 | /* Return the value of the environment variable NAME. */ | |
1840 | ||
1841 | char * | |
1842 | getenv (const char *name) | |
1843 | { | |
1844 | int length = strlen(name); | |
1845 | char **e; | |
1846 | ||
1847 | for (e = environ; *e != 0; e++) | |
1848 | if (strncmp(*e, name, length) == 0 && (*e)[length] == '=') | |
1849 | return &(*e)[length + 1]; | |
1850 | ||
1851 | if (strcmp (name, "TMPDIR") == 0) | |
1852 | return get_temp_dir_name (); | |
1853 | ||
1854 | return 0; | |
1855 | } | |
1856 | ||
1857 | ||
1858 | #ifdef __MRC__ | |
1859 | /* see Interfaces&Libraries:Interfaces:CIncludes:signal.h */ | |
1860 | char *sys_siglist[] = | |
1861 | { | |
1862 | "Zero is not a signal!!!", | |
1863 | "Abort", /* 1 */ | |
1864 | "Interactive user interrupt", /* 2 */ "?", | |
1865 | "Floating point exception", /* 4 */ "?", "?", "?", | |
1866 | "Illegal instruction", /* 8 */ "?", "?", "?", "?", "?", "?", "?", | |
1867 | "Segment violation", /* 16 */ "?", "?", "?", "?", "?", "?", "?", | |
1868 | "?", "?", "?", "?", "?", "?", "?", "?", | |
1869 | "Terminal" /* 32 */ | |
1870 | }; | |
1871 | #elif __MWERKS__ | |
1872 | char *sys_siglist[] = | |
1873 | { | |
1874 | "Zero is not a signal!!!", | |
1875 | "Abort", | |
1876 | "Floating point exception", | |
1877 | "Illegal instruction", | |
1878 | "Interactive user interrupt", | |
1879 | "Segment violation", | |
1880 | "Terminal" | |
1881 | }; | |
e0f712ba | 1882 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 1883 | You lose!!! |
e0f712ba | 1884 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
1885 | |
1886 | ||
1887 | #include <utsname.h> | |
1888 | ||
1889 | int | |
1890 | uname (struct utsname *name) | |
1891 | { | |
1892 | char **system_name; | |
1893 | system_name = GetString (-16413); /* IM - Resource Manager Reference */ | |
1894 | if (system_name) | |
1895 | { | |
1896 | BlockMove (*system_name, name->nodename, (*system_name)[0]+1); | |
1897 | p2cstr (name->nodename); | |
1898 | return 0; | |
1899 | } | |
1900 | else | |
1901 | return -1; | |
1902 | } | |
1903 | ||
1904 | ||
1905 | #include <Processes.h> | |
1906 | #include <EPPC.h> | |
1907 | ||
1908 | /* Event class of HLE sent to subprocess. */ | |
1909 | const OSType kEmacsSubprocessSend = 'ESND'; | |
1910 | ||
1911 | /* Event class of HLE sent back from subprocess. */ | |
1912 | const OSType kEmacsSubprocessReply = 'ERPY'; | |
1913 | ||
1914 | ||
1915 | char * | |
1916 | mystrchr (char *s, char c) | |
1917 | { | |
1918 | while (*s && *s != c) | |
1919 | { | |
1920 | if (*s == '\\') | |
1921 | s++; | |
1922 | s++; | |
1923 | } | |
1924 | ||
1925 | if (*s) | |
1926 | { | |
1927 | *s = '\0'; | |
1928 | return s; | |
1929 | } | |
1930 | else | |
1931 | return NULL; | |
1932 | } | |
1933 | ||
1934 | ||
1935 | char * | |
1936 | mystrtok (char *s) | |
7d0393cf | 1937 | { |
1a578e9b AC |
1938 | while (*s) |
1939 | s++; | |
1940 | ||
1941 | return s + 1; | |
1942 | } | |
1943 | ||
1944 | ||
1945 | void | |
1946 | mystrcpy (char *to, char *from) | |
1947 | { | |
1948 | while (*from) | |
1949 | { | |
1950 | if (*from == '\\') | |
1951 | from++; | |
1952 | *to++ = *from++; | |
1953 | } | |
1954 | *to = '\0'; | |
1955 | } | |
1956 | ||
1957 | ||
1958 | /* Start a Mac subprocess. Arguments for it is passed in argv (null | |
1959 | terminated). The process should run with the default directory | |
1960 | "workdir", read input from "infn", and write output and error to | |
1961 | "outfn" and "errfn", resp. The Process Manager call | |
1962 | LaunchApplication is used to start the subprocess. We use high | |
1963 | level events as the mechanism to pass arguments to the subprocess | |
1964 | and to make Emacs wait for the subprocess to terminate and pass | |
1965 | back a result code. The bulk of the code here packs the arguments | |
1966 | into one message to be passed together with the high level event. | |
1967 | Emacs also sometimes starts a subprocess using a shell to perform | |
1968 | wildcard filename expansion. Since we don't really have a shell on | |
1969 | the Mac, this case is detected and the starting of the shell is | |
1970 | by-passed. We really need to add code here to do filename | |
1971 | expansion to support such functionality. */ | |
1972 | ||
1973 | int | |
1974 | run_mac_command (argv, workdir, infn, outfn, errfn) | |
1975 | unsigned char **argv; | |
1976 | const char *workdir; | |
1977 | const char *infn, *outfn, *errfn; | |
1978 | { | |
e0f712ba AC |
1979 | #ifdef TARGET_API_MAC_CARBON |
1980 | return -1; | |
1981 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
1982 | char macappname[MAXPATHLEN+1], macworkdir[MAXPATHLEN+1]; |
1983 | char macinfn[MAXPATHLEN+1], macoutfn[MAXPATHLEN+1], macerrfn[MAXPATHLEN+1]; | |
1984 | int paramlen, argc, newargc, j, retries; | |
1985 | char **newargv, *param, *p; | |
1986 | OSErr iErr; | |
1987 | FSSpec spec; | |
1988 | LaunchParamBlockRec lpbr; | |
1989 | EventRecord send_event, reply_event; | |
1990 | RgnHandle cursor_region_handle; | |
1991 | TargetID targ; | |
1992 | unsigned long ref_con, len; | |
7d0393cf | 1993 | |
60fe1161 | 1994 | if (posix_to_mac_pathname (workdir, macworkdir, MAXPATHLEN+1) == 0) |
1a578e9b | 1995 | return -1; |
60fe1161 | 1996 | if (posix_to_mac_pathname (infn, macinfn, MAXPATHLEN+1) == 0) |
1a578e9b | 1997 | return -1; |
60fe1161 | 1998 | if (posix_to_mac_pathname (outfn, macoutfn, MAXPATHLEN+1) == 0) |
1a578e9b | 1999 | return -1; |
60fe1161 | 2000 | if (posix_to_mac_pathname (errfn, macerrfn, MAXPATHLEN+1) == 0) |
1a578e9b | 2001 | return -1; |
7d0393cf | 2002 | |
1a578e9b AC |
2003 | paramlen = strlen (macworkdir) + strlen (macinfn) + strlen (macoutfn) |
2004 | + strlen (macerrfn) + 4; /* count nulls at end of strings */ | |
2005 | ||
2006 | argc = 0; | |
2007 | while (argv[argc]) | |
2008 | argc++; | |
2009 | ||
2010 | if (argc == 0) | |
2011 | return -1; | |
2012 | ||
2013 | /* If a subprocess is invoked with a shell, we receive 3 arguments | |
2014 | of the form: "<path to emacs bins>/sh" "-c" "<path to emacs | |
2015 | bins>/<command> <command args>" */ | |
2016 | j = strlen (argv[0]); | |
2017 | if (j >= 3 && strcmp (argv[0]+j-3, "/sh") == 0 | |
2018 | && argc == 3 && strcmp (argv[1], "-c") == 0) | |
2019 | { | |
2020 | char *command, *t, tempmacpathname[MAXPATHLEN+1]; | |
7d0393cf | 2021 | |
1a578e9b AC |
2022 | /* The arguments for the command in argv[2] are separated by |
2023 | spaces. Count them and put the count in newargc. */ | |
2024 | command = (char *) alloca (strlen (argv[2])+2); | |
2025 | strcpy (command, argv[2]); | |
2026 | if (command[strlen (command) - 1] != ' ') | |
2027 | strcat (command, " "); | |
7d0393cf | 2028 | |
1a578e9b AC |
2029 | t = command; |
2030 | newargc = 0; | |
2031 | t = mystrchr (t, ' '); | |
2032 | while (t) | |
2033 | { | |
2034 | newargc++; | |
2035 | t = mystrchr (t+1, ' '); | |
2036 | } | |
7d0393cf | 2037 | |
1a578e9b | 2038 | newargv = (char **) alloca (sizeof (char *) * newargc); |
7d0393cf | 2039 | |
1a578e9b AC |
2040 | t = command; |
2041 | for (j = 0; j < newargc; j++) | |
2042 | { | |
2043 | newargv[j] = (char *) alloca (strlen (t) + 1); | |
2044 | mystrcpy (newargv[j], t); | |
2045 | ||
2046 | t = mystrtok (t); | |
2047 | paramlen += strlen (newargv[j]) + 1; | |
2048 | } | |
7d0393cf | 2049 | |
1a578e9b AC |
2050 | if (strncmp (newargv[0], "~emacs/", 7) == 0) |
2051 | { | |
60fe1161 | 2052 | if (posix_to_mac_pathname (newargv[0], tempmacpathname, MAXPATHLEN+1) |
1a578e9b AC |
2053 | == 0) |
2054 | return -1; | |
2055 | } | |
2056 | else | |
2057 | { /* sometimes Emacs call "sh" without a path for the command */ | |
2058 | #if 0 | |
2059 | char *t = (char *) alloca (strlen (newargv[0]) + 7 + 1); | |
2060 | strcpy (t, "~emacs/"); | |
2061 | strcat (t, newargv[0]); | |
e0f712ba | 2062 | #endif /* 0 */ |
1a578e9b | 2063 | Lisp_Object path; |
e0f712ba | 2064 | openp (Vexec_path, build_string (newargv[0]), EXEC_SUFFIXES, &path, |
141f653a | 2065 | make_number (X_OK)); |
1a578e9b AC |
2066 | |
2067 | if (NILP (path)) | |
2068 | return -1; | |
d5db4077 | 2069 | if (posix_to_mac_pathname (SDATA (path), tempmacpathname, |
1a578e9b AC |
2070 | MAXPATHLEN+1) == 0) |
2071 | return -1; | |
2072 | } | |
2073 | strcpy (macappname, tempmacpathname); | |
2074 | } | |
2075 | else | |
7d0393cf | 2076 | { |
60fe1161 | 2077 | if (posix_to_mac_pathname (argv[0], macappname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
2078 | return -1; |
2079 | ||
2080 | newargv = (char **) alloca (sizeof (char *) * argc); | |
7d0393cf | 2081 | newargc = argc; |
1a578e9b AC |
2082 | for (j = 1; j < argc; j++) |
2083 | { | |
2084 | if (strncmp (argv[j], "~emacs/", 7) == 0) | |
2085 | { | |
2086 | char *t = strchr (argv[j], ' '); | |
2087 | if (t) | |
2088 | { | |
2089 | char tempcmdname[MAXPATHLEN+1], tempmaccmdname[MAXPATHLEN+1]; | |
2090 | strncpy (tempcmdname, argv[j], t-argv[j]); | |
2091 | tempcmdname[t-argv[j]] = '\0'; | |
60fe1161 | 2092 | if (posix_to_mac_pathname (tempcmdname, tempmaccmdname, |
1a578e9b AC |
2093 | MAXPATHLEN+1) == 0) |
2094 | return -1; | |
2095 | newargv[j] = (char *) alloca (strlen (tempmaccmdname) | |
2096 | + strlen (t) + 1); | |
2097 | strcpy (newargv[j], tempmaccmdname); | |
2098 | strcat (newargv[j], t); | |
2099 | } | |
2100 | else | |
2101 | { | |
2102 | char tempmaccmdname[MAXPATHLEN+1]; | |
60fe1161 | 2103 | if (posix_to_mac_pathname (argv[j], tempmaccmdname, |
1a578e9b AC |
2104 | MAXPATHLEN+1) == 0) |
2105 | return -1; | |
2106 | newargv[j] = (char *) alloca (strlen (tempmaccmdname)+1); | |
2107 | strcpy (newargv[j], tempmaccmdname); | |
2108 | } | |
2109 | } | |
2110 | else | |
7d0393cf | 2111 | newargv[j] = argv[j]; |
1a578e9b AC |
2112 | paramlen += strlen (newargv[j]) + 1; |
2113 | } | |
2114 | } | |
2115 | ||
2116 | /* After expanding all the arguments, we now know the length of the | |
2117 | parameter block to be sent to the subprocess as a message | |
2118 | attached to the HLE. */ | |
2119 | param = (char *) malloc (paramlen + 1); | |
2120 | if (!param) | |
2121 | return -1; | |
2122 | ||
2123 | p = param; | |
2124 | *p++ = newargc; | |
2125 | /* first byte of message contains number of arguments for command */ | |
2126 | strcpy (p, macworkdir); | |
2127 | p += strlen (macworkdir); | |
2128 | *p++ = '\0'; | |
2129 | /* null terminate strings sent so it's possible to use strcpy over there */ | |
2130 | strcpy (p, macinfn); | |
2131 | p += strlen (macinfn); | |
7d0393cf | 2132 | *p++ = '\0'; |
1a578e9b AC |
2133 | strcpy (p, macoutfn); |
2134 | p += strlen (macoutfn); | |
7d0393cf | 2135 | *p++ = '\0'; |
1a578e9b AC |
2136 | strcpy (p, macerrfn); |
2137 | p += strlen (macerrfn); | |
7d0393cf | 2138 | *p++ = '\0'; |
1a578e9b AC |
2139 | for (j = 1; j < newargc; j++) |
2140 | { | |
2141 | strcpy (p, newargv[j]); | |
2142 | p += strlen (newargv[j]); | |
7d0393cf | 2143 | *p++ = '\0'; |
1a578e9b | 2144 | } |
7d0393cf | 2145 | |
1a578e9b | 2146 | c2pstr (macappname); |
7d0393cf | 2147 | |
1a578e9b | 2148 | iErr = FSMakeFSSpec (0, 0, macappname, &spec); |
7d0393cf | 2149 | |
1a578e9b AC |
2150 | if (iErr != noErr) |
2151 | { | |
2152 | free (param); | |
2153 | return -1; | |
2154 | } | |
2155 | ||
2156 | lpbr.launchBlockID = extendedBlock; | |
2157 | lpbr.launchEPBLength = extendedBlockLen; | |
2158 | lpbr.launchControlFlags = launchContinue + launchNoFileFlags; | |
2159 | lpbr.launchAppSpec = &spec; | |
2160 | lpbr.launchAppParameters = NULL; | |
2161 | ||
2162 | iErr = LaunchApplication (&lpbr); /* call the subprocess */ | |
2163 | if (iErr != noErr) | |
2164 | { | |
2165 | free (param); | |
2166 | return -1; | |
2167 | } | |
2168 | ||
2169 | send_event.what = kHighLevelEvent; | |
2170 | send_event.message = kEmacsSubprocessSend; | |
2171 | /* Event ID stored in "where" unused */ | |
2172 | ||
2173 | retries = 3; | |
2174 | /* OS may think current subprocess has terminated if previous one | |
2175 | terminated recently. */ | |
2176 | do | |
2177 | { | |
2178 | iErr = PostHighLevelEvent (&send_event, &lpbr.launchProcessSN, 0, param, | |
2179 | paramlen + 1, receiverIDisPSN); | |
2180 | } | |
2181 | while (iErr == sessClosedErr && retries-- > 0); | |
2182 | ||
2183 | if (iErr != noErr) | |
2184 | { | |
2185 | free (param); | |
2186 | return -1; | |
2187 | } | |
2188 | ||
2189 | cursor_region_handle = NewRgn (); | |
7d0393cf | 2190 | |
1a578e9b AC |
2191 | /* Wait for the subprocess to finish, when it will send us a ERPY |
2192 | high level event. */ | |
2193 | while (1) | |
2194 | if (WaitNextEvent (highLevelEventMask, &reply_event, 180, | |
2195 | cursor_region_handle) | |
2196 | && reply_event.message == kEmacsSubprocessReply) | |
2197 | break; | |
7d0393cf | 2198 | |
1a578e9b AC |
2199 | /* The return code is sent through the refCon */ |
2200 | iErr = AcceptHighLevelEvent (&targ, &ref_con, NULL, &len); | |
2201 | if (iErr != noErr) | |
2202 | { | |
2203 | DisposeHandle ((Handle) cursor_region_handle); | |
2204 | free (param); | |
2205 | return -1; | |
2206 | } | |
7d0393cf | 2207 | |
1a578e9b AC |
2208 | DisposeHandle ((Handle) cursor_region_handle); |
2209 | free (param); | |
2210 | ||
2211 | return ref_con; | |
e0f712ba | 2212 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2213 | } |
2214 | ||
2215 | ||
2216 | DIR * | |
2217 | opendir (const char *dirname) | |
2218 | { | |
7d0393cf | 2219 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
2220 | char mac_pathname[MAXPATHLEN+1], vol_name[MAXPATHLEN+1]; |
2221 | DIR *dirp; | |
2222 | CInfoPBRec cipb; | |
2223 | HVolumeParam vpb; | |
2224 | int len, vol_name_len; | |
7d0393cf | 2225 | |
1a578e9b AC |
2226 | if (find_true_pathname (dirname, true_pathname, MAXPATHLEN+1) == -1) |
2227 | return 0; | |
7d0393cf | 2228 | |
1a578e9b AC |
2229 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
2230 | if (len > -1) | |
2231 | fully_resolved_name[len] = '\0'; | |
2232 | else | |
2233 | strcpy (fully_resolved_name, true_pathname); | |
2234 | ||
2235 | dirp = (DIR *) malloc (sizeof(DIR)); | |
2236 | if (!dirp) | |
2237 | return 0; | |
2238 | ||
2239 | /* Handle special case when dirname is "/": sets up for readir to | |
2240 | get all mount volumes. */ | |
2241 | if (strcmp (fully_resolved_name, "/") == 0) | |
2242 | { | |
2243 | dirp->getting_volumes = 1; /* special all mounted volumes DIR struct */ | |
2244 | dirp->current_index = 1; /* index for first volume */ | |
2245 | return dirp; | |
2246 | } | |
2247 | ||
2248 | /* Handle typical cases: not accessing all mounted volumes. */ | |
60fe1161 | 2249 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
2250 | return 0; |
2251 | ||
2252 | /* Emacs calls opendir without the trailing '/', Mac needs trailing ':' */ | |
2253 | len = strlen (mac_pathname); | |
2254 | if (mac_pathname[len - 1] != ':' && len < MAXPATHLEN) | |
2255 | strcat (mac_pathname, ":"); | |
7d0393cf | 2256 | |
1a578e9b AC |
2257 | /* Extract volume name */ |
2258 | vol_name_len = strchr (mac_pathname, ':') - mac_pathname; | |
2259 | strncpy (vol_name, mac_pathname, vol_name_len); | |
2260 | vol_name[vol_name_len] = '\0'; | |
2261 | strcat (vol_name, ":"); | |
2262 | ||
2263 | c2pstr (mac_pathname); | |
2264 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
2265 | /* using full pathname so vRefNum and DirID ignored */ | |
2266 | cipb.hFileInfo.ioVRefNum = 0; | |
2267 | cipb.hFileInfo.ioDirID = 0; | |
2268 | cipb.hFileInfo.ioFDirIndex = 0; | |
2269 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 2270 | |
1a578e9b AC |
2271 | errno = PBGetCatInfo (&cipb, false); |
2272 | if (errno != noErr) | |
2273 | { | |
2274 | errno = ENOENT; | |
2275 | return 0; | |
2276 | } | |
2277 | ||
2278 | if (!(cipb.hFileInfo.ioFlAttrib & 0x10)) /* bit 4 = 1 for directories */ | |
2279 | return 0; /* not a directory */ | |
2280 | ||
2281 | dirp->dir_id = cipb.dirInfo.ioDrDirID; /* used later in readdir */ | |
2282 | dirp->getting_volumes = 0; | |
2283 | dirp->current_index = 1; /* index for first file/directory */ | |
2284 | ||
2285 | c2pstr (vol_name); | |
2286 | vpb.ioNamePtr = vol_name; | |
2287 | /* using full pathname so vRefNum and DirID ignored */ | |
2288 | vpb.ioVRefNum = 0; | |
2289 | vpb.ioVolIndex = -1; | |
2290 | errno = PBHGetVInfo ((union HParamBlockRec *) &vpb, false); | |
2291 | if (errno != noErr) | |
2292 | { | |
2293 | errno = ENOENT; | |
2294 | return 0; | |
2295 | } | |
2296 | ||
2297 | dirp->vol_ref_num = vpb.ioVRefNum; | |
7d0393cf | 2298 | |
1a578e9b AC |
2299 | return dirp; |
2300 | } | |
2301 | ||
2302 | int | |
2303 | closedir (DIR *dp) | |
2304 | { | |
2305 | free (dp); | |
2306 | ||
2307 | return 0; | |
2308 | } | |
2309 | ||
2310 | ||
2311 | struct dirent * | |
2312 | readdir (DIR *dp) | |
2313 | { | |
2314 | HParamBlockRec hpblock; | |
2315 | CInfoPBRec cipb; | |
2316 | static struct dirent s_dirent; | |
2317 | static Str255 s_name; | |
2318 | int done; | |
2319 | char *p; | |
2320 | ||
2321 | /* Handle the root directory containing the mounted volumes. Call | |
2322 | PBHGetVInfo specifying an index to obtain the info for a volume. | |
2323 | PBHGetVInfo returns an error when it receives an index beyond the | |
2324 | last volume, at which time we should return a nil dirent struct | |
2325 | pointer. */ | |
2326 | if (dp->getting_volumes) | |
2327 | { | |
2328 | hpblock.volumeParam.ioNamePtr = s_name; | |
2329 | hpblock.volumeParam.ioVRefNum = 0; | |
2330 | hpblock.volumeParam.ioVolIndex = dp->current_index; | |
7d0393cf | 2331 | |
1a578e9b AC |
2332 | errno = PBHGetVInfo (&hpblock, false); |
2333 | if (errno != noErr) | |
2334 | { | |
2335 | errno = ENOENT; | |
2336 | return 0; | |
2337 | } | |
7d0393cf | 2338 | |
1a578e9b AC |
2339 | p2cstr (s_name); |
2340 | strcat (s_name, "/"); /* need "/" for stat to work correctly */ | |
2341 | ||
2342 | dp->current_index++; | |
2343 | ||
2344 | s_dirent.d_ino = hpblock.volumeParam.ioVRefNum; | |
2345 | s_dirent.d_name = s_name; | |
7d0393cf | 2346 | |
1a578e9b AC |
2347 | return &s_dirent; |
2348 | } | |
2349 | else | |
2350 | { | |
2351 | cipb.hFileInfo.ioVRefNum = dp->vol_ref_num; | |
2352 | cipb.hFileInfo.ioNamePtr = s_name; | |
2353 | /* location to receive filename returned */ | |
2354 | ||
2355 | /* return only visible files */ | |
2356 | done = false; | |
2357 | while (!done) | |
2358 | { | |
2359 | cipb.hFileInfo.ioDirID = dp->dir_id; | |
2360 | /* directory ID found by opendir */ | |
2361 | cipb.hFileInfo.ioFDirIndex = dp->current_index; | |
7d0393cf | 2362 | |
1a578e9b AC |
2363 | errno = PBGetCatInfo (&cipb, false); |
2364 | if (errno != noErr) | |
2365 | { | |
2366 | errno = ENOENT; | |
2367 | return 0; | |
2368 | } | |
7d0393cf JB |
2369 | |
2370 | /* insist on a visible entry */ | |
1a578e9b AC |
2371 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* directory? */ |
2372 | done = !(cipb.dirInfo.ioDrUsrWds.frFlags & fInvisible); | |
2373 | else | |
2374 | done = !(cipb.hFileInfo.ioFlFndrInfo.fdFlags & fInvisible); | |
7d0393cf | 2375 | |
1a578e9b AC |
2376 | dp->current_index++; |
2377 | } | |
2378 | ||
2379 | p2cstr (s_name); | |
7d0393cf | 2380 | |
1a578e9b AC |
2381 | p = s_name; |
2382 | while (*p) | |
2383 | { | |
2384 | if (*p == '/') | |
2385 | *p = ':'; | |
2386 | p++; | |
2387 | } | |
2388 | ||
2389 | s_dirent.d_ino = cipb.dirInfo.ioDrDirID; | |
2390 | /* value unimportant: non-zero for valid file */ | |
2391 | s_dirent.d_name = s_name; | |
7d0393cf | 2392 | |
1a578e9b AC |
2393 | return &s_dirent; |
2394 | } | |
2395 | } | |
2396 | ||
2397 | ||
2398 | char * | |
2399 | getwd (char *path) | |
2400 | { | |
2401 | char mac_pathname[MAXPATHLEN+1]; | |
2402 | Str255 directory_name; | |
2403 | OSErr errno; | |
2404 | CInfoPBRec cipb; | |
2405 | ||
2406 | if (path_from_vol_dir_name (mac_pathname, 255, 0, 0, "\p") == 0) | |
2407 | return NULL; | |
2408 | ||
60fe1161 | 2409 | if (mac_to_posix_pathname (mac_pathname, path, MAXPATHLEN+1) == 0) |
1a578e9b AC |
2410 | return 0; |
2411 | else | |
2412 | return path; | |
2413 | } | |
2414 | ||
e0f712ba AC |
2415 | #endif /* ! MAC_OSX */ |
2416 | ||
1a578e9b AC |
2417 | |
2418 | void | |
2419 | initialize_applescript () | |
2420 | { | |
2421 | AEDesc null_desc; | |
2422 | OSAError osaerror; | |
7d0393cf | 2423 | |
1a578e9b AC |
2424 | /* if open fails, as_scripting_component is set to NULL. Its |
2425 | subsequent use in OSA calls will fail with badComponentInstance | |
2426 | error. */ | |
2427 | as_scripting_component = OpenDefaultComponent (kOSAComponentType, | |
2428 | kAppleScriptSubtype); | |
2429 | ||
2430 | null_desc.descriptorType = typeNull; | |
2431 | null_desc.dataHandle = 0; | |
2432 | osaerror = OSAMakeContext (as_scripting_component, &null_desc, | |
2433 | kOSANullScript, &as_script_context); | |
2434 | if (osaerror) | |
2435 | as_script_context = kOSANullScript; | |
2436 | /* use default context if create fails */ | |
2437 | } | |
2438 | ||
2439 | ||
2440 | void terminate_applescript() | |
2441 | { | |
2442 | OSADispose (as_scripting_component, as_script_context); | |
2443 | CloseComponent (as_scripting_component); | |
2444 | } | |
2445 | ||
2446 | ||
2447 | /* Compile and execute the AppleScript SCRIPT and return the error | |
2448 | status as function value. A zero is returned if compilation and | |
2449 | execution is successful, in which case RESULT returns a pointer to | |
2450 | a string containing the resulting script value. Otherwise, the Mac | |
2451 | error code is returned and RESULT returns a pointer to an error | |
2452 | string. In both cases the caller should deallocate the storage | |
2453 | used by the string pointed to by RESULT if it is non-NULL. For | |
2454 | documentation on the MacOS scripting architecture, see Inside | |
2455 | Macintosh - Interapplication Communications: Scripting Components. */ | |
2456 | ||
2457 | static long | |
2458 | do_applescript (char *script, char **result) | |
2459 | { | |
2460 | AEDesc script_desc, result_desc, error_desc; | |
2461 | OSErr error; | |
2462 | OSAError osaerror; | |
2463 | long length; | |
2464 | ||
2465 | *result = 0; | |
2466 | ||
84c0c2cc AC |
2467 | if (!as_scripting_component) |
2468 | initialize_applescript(); | |
2469 | ||
1a578e9b AC |
2470 | error = AECreateDesc (typeChar, script, strlen(script), &script_desc); |
2471 | if (error) | |
2472 | return error; | |
2473 | ||
2474 | osaerror = OSADoScript (as_scripting_component, &script_desc, kOSANullScript, | |
2475 | typeChar, kOSAModeNull, &result_desc); | |
2476 | ||
2477 | if (osaerror == errOSAScriptError) | |
2478 | { | |
2479 | /* error executing AppleScript: retrieve error message */ | |
2480 | if (!OSAScriptError (as_scripting_component, kOSAErrorMessage, typeChar, | |
2481 | &error_desc)) | |
2482 | { | |
e0f712ba AC |
2483 | #if TARGET_API_MAC_CARBON |
2484 | length = AEGetDescDataSize (&error_desc); | |
2485 | *result = (char *) xmalloc (length + 1); | |
2486 | if (*result) | |
2487 | { | |
2488 | AEGetDescData (&error_desc, *result, length); | |
2489 | *(*result + length) = '\0'; | |
2490 | } | |
2491 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2492 | HLock (error_desc.dataHandle); |
2493 | length = GetHandleSize(error_desc.dataHandle); | |
2494 | *result = (char *) xmalloc (length + 1); | |
2495 | if (*result) | |
2496 | { | |
2497 | memcpy (*result, *(error_desc.dataHandle), length); | |
2498 | *(*result + length) = '\0'; | |
2499 | } | |
2500 | HUnlock (error_desc.dataHandle); | |
e0f712ba | 2501 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2502 | AEDisposeDesc (&error_desc); |
2503 | } | |
2504 | } | |
2505 | else if (osaerror == noErr) /* success: retrieve resulting script value */ | |
2506 | { | |
e0f712ba AC |
2507 | #if TARGET_API_MAC_CARBON |
2508 | length = AEGetDescDataSize (&result_desc); | |
2509 | *result = (char *) xmalloc (length + 1); | |
2510 | if (*result) | |
2511 | { | |
2512 | AEGetDescData (&result_desc, *result, length); | |
2513 | *(*result + length) = '\0'; | |
2514 | } | |
2515 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2516 | HLock (result_desc.dataHandle); |
2517 | length = GetHandleSize(result_desc.dataHandle); | |
2518 | *result = (char *) xmalloc (length + 1); | |
2519 | if (*result) | |
2520 | { | |
2521 | memcpy (*result, *(result_desc.dataHandle), length); | |
2522 | *(*result + length) = '\0'; | |
2523 | } | |
2524 | HUnlock (result_desc.dataHandle); | |
e0f712ba | 2525 | #endif /* not TARGET_API_MAC_CARBON */ |
84c0c2cc | 2526 | AEDisposeDesc (&result_desc); |
1a578e9b AC |
2527 | } |
2528 | ||
2529 | AEDisposeDesc (&script_desc); | |
1a578e9b AC |
2530 | |
2531 | return osaerror; | |
2532 | } | |
2533 | ||
2534 | ||
2535 | DEFUN ("do-applescript", Fdo_applescript, Sdo_applescript, 1, 1, 0, | |
e0f712ba AC |
2536 | doc: /* Compile and execute AppleScript SCRIPT and retrieve and return the result. |
2537 | If compilation and execution are successful, the resulting script | |
2538 | value is returned as a string. Otherwise the function aborts and | |
2539 | displays the error message returned by the AppleScript scripting | |
2540 | component. */) | |
1a578e9b AC |
2541 | (script) |
2542 | Lisp_Object script; | |
2543 | { | |
2544 | char *result, *temp; | |
2545 | Lisp_Object lisp_result; | |
2546 | long status; | |
2547 | ||
e0f712ba | 2548 | CHECK_STRING (script); |
7d0393cf | 2549 | |
d5db4077 | 2550 | status = do_applescript (SDATA (script), &result); |
1a578e9b AC |
2551 | if (status) |
2552 | { | |
2553 | if (!result) | |
84c0c2cc | 2554 | error ("AppleScript error %d", status); |
1a578e9b AC |
2555 | else |
2556 | { | |
2557 | /* Unfortunately only OSADoScript in do_applescript knows how | |
2558 | how large the resulting script value or error message is | |
2559 | going to be and therefore as caller memory must be | |
2560 | deallocated here. It is necessary to free the error | |
2561 | message before calling error to avoid a memory leak. */ | |
2562 | temp = (char *) alloca (strlen (result) + 1); | |
2563 | strcpy (temp, result); | |
2564 | xfree (result); | |
2565 | error (temp); | |
2566 | } | |
2567 | } | |
2568 | else | |
2569 | { | |
2570 | lisp_result = build_string (result); | |
2571 | xfree (result); | |
2572 | return lisp_result; | |
2573 | } | |
2574 | } | |
2575 | ||
2576 | ||
e0f712ba AC |
2577 | DEFUN ("mac-file-name-to-posix", Fmac_file_name_to_posix, |
2578 | Smac_file_name_to_posix, 1, 1, 0, | |
2579 | doc: /* Convert Macintosh filename to Posix form. */) | |
2580 | (mac_filename) | |
2581 | Lisp_Object mac_filename; | |
1a578e9b | 2582 | { |
60fe1161 | 2583 | char posix_filename[MAXPATHLEN+1]; |
1a578e9b | 2584 | |
e0f712ba | 2585 | CHECK_STRING (mac_filename); |
7d0393cf | 2586 | |
d5db4077 | 2587 | if (mac_to_posix_pathname (SDATA (mac_filename), posix_filename, |
1a578e9b | 2588 | MAXPATHLEN)) |
60fe1161 | 2589 | return build_string (posix_filename); |
1a578e9b AC |
2590 | else |
2591 | return Qnil; | |
2592 | } | |
2593 | ||
2594 | ||
e0f712ba AC |
2595 | DEFUN ("posix-file-name-to-mac", Fposix_file_name_to_mac, |
2596 | Sposix_file_name_to_mac, 1, 1, 0, | |
2597 | doc: /* Convert Posix filename to Mac form. */) | |
2598 | (posix_filename) | |
2599 | Lisp_Object posix_filename; | |
1a578e9b AC |
2600 | { |
2601 | char mac_filename[MAXPATHLEN+1]; | |
2602 | ||
e0f712ba | 2603 | CHECK_STRING (posix_filename); |
7d0393cf | 2604 | |
d5db4077 | 2605 | if (posix_to_mac_pathname (SDATA (posix_filename), mac_filename, |
1a578e9b AC |
2606 | MAXPATHLEN)) |
2607 | return build_string (mac_filename); | |
2608 | else | |
2609 | return Qnil; | |
2610 | } | |
2611 | ||
2612 | ||
2613 | /* set interprogram-paste-function to mac-paste-function in mac-win.el | |
2614 | to enable Emacs to obtain the contents of the Mac clipboard. */ | |
2615 | DEFUN ("mac-paste-function", Fmac_paste_function, Smac_paste_function, 0, 0, 0, | |
e0f712ba AC |
2616 | doc: /* Return the contents of the Mac clipboard as a string. */) |
2617 | () | |
1a578e9b | 2618 | { |
e0f712ba AC |
2619 | #if TARGET_API_MAC_CARBON |
2620 | ScrapRef scrap; | |
2621 | ScrapFlavorFlags sff; | |
2622 | Size s; | |
2623 | int i; | |
2624 | char *data; | |
2625 | ||
2626 | if (GetCurrentScrap (&scrap) != noErr) | |
2627 | return Qnil; | |
2628 | ||
2629 | if (GetScrapFlavorFlags (scrap, kScrapFlavorTypeText, &sff) != noErr) | |
2630 | return Qnil; | |
2631 | ||
2632 | if (GetScrapFlavorSize (scrap, kScrapFlavorTypeText, &s) != noErr) | |
2633 | return Qnil; | |
2634 | ||
2635 | if ((data = (char*) alloca (s)) == NULL) | |
2636 | return Qnil; | |
2637 | ||
2638 | if (GetScrapFlavorData (scrap, kScrapFlavorTypeText, &s, data) != noErr | |
2639 | || s == 0) | |
2640 | return Qnil; | |
7d0393cf | 2641 | |
e0f712ba AC |
2642 | /* Emacs expects clipboard contents have Unix-style eol's */ |
2643 | for (i = 0; i < s; i++) | |
2644 | if (data[i] == '\r') | |
2645 | data[i] = '\n'; | |
2646 | ||
2647 | return make_string (data, s); | |
2648 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2649 | Lisp_Object value; |
2650 | Handle my_handle; | |
2651 | long scrap_offset, rc, i; | |
2652 | ||
2653 | my_handle = NewHandle (0); /* allocate 0-length data area */ | |
2654 | ||
2655 | rc = GetScrap (my_handle, 'TEXT', &scrap_offset); | |
2656 | if (rc < 0) | |
2657 | return Qnil; | |
2658 | ||
2659 | HLock (my_handle); | |
2660 | ||
2661 | /* Emacs expects clipboard contents have Unix-style eol's */ | |
2662 | for (i = 0; i < rc; i++) | |
2663 | if ((*my_handle)[i] == '\r') | |
2664 | (*my_handle)[i] = '\n'; | |
2665 | ||
2666 | value = make_string (*my_handle, rc); | |
2667 | ||
2668 | HUnlock (my_handle); | |
7d0393cf | 2669 | |
1a578e9b AC |
2670 | DisposeHandle (my_handle); |
2671 | ||
2672 | return value; | |
e0f712ba | 2673 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2674 | } |
2675 | ||
2676 | ||
2677 | /* set interprogram-cut-function to mac-cut-function in mac-win.el | |
2678 | to enable Emacs to write the top of the kill-ring to the Mac clipboard. */ | |
2679 | DEFUN ("mac-cut-function", Fmac_cut_function, Smac_cut_function, 1, 2, 0, | |
e0f712ba | 2680 | doc: /* Put the value of the string parameter to the Mac clipboard. */) |
1a578e9b AC |
2681 | (value, push) |
2682 | Lisp_Object value, push; | |
2683 | { | |
2684 | char *buf; | |
2685 | int len, i; | |
2686 | ||
2687 | /* fixme: ignore the push flag for now */ | |
2688 | ||
e0f712ba | 2689 | CHECK_STRING (value); |
7d0393cf | 2690 | |
d5db4077 | 2691 | len = SCHARS (value); |
e0f712ba | 2692 | buf = (char *) alloca (len+1); |
d5db4077 | 2693 | bcopy (SDATA (value), buf, len); |
e0f712ba | 2694 | buf[len] = '\0'; |
7d0393cf | 2695 | |
1a578e9b AC |
2696 | /* convert to Mac-style eol's before sending to clipboard */ |
2697 | for (i = 0; i < len; i++) | |
2698 | if (buf[i] == '\n') | |
2699 | buf[i] = '\r'; | |
2700 | ||
e0f712ba AC |
2701 | #if TARGET_API_MAC_CARBON |
2702 | { | |
2703 | ScrapRef scrap; | |
2704 | ClearCurrentScrap (); | |
2705 | if (GetCurrentScrap (&scrap) != noErr) | |
2706 | error ("cannot get current scrap"); | |
2707 | ||
2708 | if (PutScrapFlavor (scrap, kScrapFlavorTypeText, kScrapFlavorMaskNone, len, | |
2709 | buf) != noErr) | |
2710 | error ("cannot put to scrap"); | |
2711 | } | |
2712 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2713 | ZeroScrap (); |
2714 | PutScrap (len, 'TEXT', buf); | |
e0f712ba | 2715 | #endif /* not TARGET_API_MAC_CARBON */ |
7d0393cf | 2716 | |
1a578e9b AC |
2717 | return Qnil; |
2718 | } | |
2719 | ||
2720 | ||
2721 | DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p, | |
e0f712ba AC |
2722 | 0, 1, 0, |
2723 | doc: /* Whether there is an owner for the given X Selection. | |
2724 | The arg should be the name of the selection in question, typically one of | |
2725 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
14bda6db | 2726 | \(Those are literal upper-case symbol names, since that's what X expects.) |
e0f712ba AC |
2727 | For convenience, the symbol nil is the same as `PRIMARY', |
2728 | and t is the same as `SECONDARY'. */) | |
1a578e9b AC |
2729 | (selection) |
2730 | Lisp_Object selection; | |
2731 | { | |
e0f712ba | 2732 | CHECK_SYMBOL (selection); |
1a578e9b AC |
2733 | |
2734 | /* Return nil for PRIMARY and SECONDARY selections; for CLIPBOARD, check | |
2735 | if the clipboard currently has valid text format contents. */ | |
2736 | ||
2737 | if (EQ (selection, QCLIPBOARD)) | |
2738 | { | |
2739 | Lisp_Object val = Qnil; | |
e0f712ba AC |
2740 | |
2741 | #if TARGET_API_MAC_CARBON | |
2742 | ScrapRef scrap; | |
2743 | ScrapFlavorFlags sff; | |
2744 | ||
2745 | if (GetCurrentScrap (&scrap) == noErr) | |
2746 | if (GetScrapFlavorFlags (scrap, kScrapFlavorTypeText, &sff) == noErr) | |
2747 | val = Qt; | |
2748 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2749 | Handle my_handle; |
2750 | long rc, scrap_offset; | |
2751 | ||
2752 | my_handle = NewHandle (0); | |
2753 | ||
2754 | rc = GetScrap (my_handle, 'TEXT', &scrap_offset); | |
2755 | if (rc >= 0) | |
2756 | val = Qt; | |
2757 | ||
2758 | DisposeHandle (my_handle); | |
e0f712ba | 2759 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2760 | |
2761 | return val; | |
2762 | } | |
2763 | return Qnil; | |
2764 | } | |
2765 | ||
8030369c AC |
2766 | #ifdef MAC_OSX |
2767 | #undef select | |
2768 | ||
2769 | extern int inhibit_window_system; | |
2b187eac | 2770 | extern int noninteractive; |
8030369c | 2771 | |
bfcf6608 ST |
2772 | #include "blockinput.h" |
2773 | ||
8030369c AC |
2774 | /* When Emacs is started from the Finder, SELECT always immediately |
2775 | returns as if input is present when file descriptor 0 is polled for | |
2776 | input. Strangely, when Emacs is run as a GUI application from the | |
2777 | command line, it blocks in the same situation. This `wrapper' of | |
2778 | the system call SELECT corrects this discrepancy. */ | |
2779 | int | |
2780 | sys_select (n, rfds, wfds, efds, timeout) | |
bfcf6608 ST |
2781 | int n; |
2782 | SELECT_TYPE *rfds; | |
2783 | SELECT_TYPE *wfds; | |
2784 | SELECT_TYPE *efds; | |
2785 | struct timeval *timeout; | |
8030369c | 2786 | { |
bfcf6608 ST |
2787 | OSErr err; |
2788 | EMACS_TIME end_time, now, remaining_time; | |
2789 | ||
e082ac9d ST |
2790 | if (inhibit_window_system || noninteractive |
2791 | || rfds == NULL || !FD_ISSET (0, rfds)) | |
bfcf6608 ST |
2792 | return select (n, rfds, wfds, efds, timeout); |
2793 | ||
2794 | if (wfds == NULL && efds == NULL) | |
2b187eac | 2795 | { |
bfcf6608 ST |
2796 | int i; |
2797 | ||
2798 | for (i = 1; i < n; i++) | |
2799 | if (FD_ISSET (i, rfds)) | |
2800 | break; | |
2801 | if (i == n) | |
2802 | { | |
2803 | EventTimeout timeout_sec = | |
2804 | (timeout | |
2805 | ? (EMACS_SECS (*timeout) * kEventDurationSecond | |
2806 | + EMACS_USECS (*timeout) * kEventDurationMicrosecond) | |
2807 | : kEventDurationForever); | |
2808 | ||
2809 | BLOCK_INPUT; | |
2810 | err = ReceiveNextEvent (0, NULL, timeout_sec, | |
2811 | kEventLeaveInQueue, NULL); | |
2812 | UNBLOCK_INPUT; | |
2813 | if (err == noErr) | |
96720f09 | 2814 | { |
e082ac9d ST |
2815 | FD_ZERO (rfds); |
2816 | FD_SET (0, rfds); | |
2817 | return 1; | |
96720f09 | 2818 | } |
bfcf6608 ST |
2819 | else |
2820 | return 0; | |
2b187eac | 2821 | } |
2b187eac | 2822 | } |
2b187eac | 2823 | |
bfcf6608 | 2824 | if (timeout) |
2b187eac | 2825 | { |
bfcf6608 ST |
2826 | remaining_time = *timeout; |
2827 | EMACS_GET_TIME (now); | |
2828 | EMACS_ADD_TIME (end_time, now, remaining_time); | |
2b187eac | 2829 | } |
bfcf6608 ST |
2830 | FD_CLR (0, rfds); |
2831 | do | |
2832 | { | |
2833 | EMACS_TIME select_timeout; | |
2834 | SELECT_TYPE orfds = *rfds; | |
2835 | int r; | |
177c0ea7 | 2836 | |
bfcf6608 ST |
2837 | EMACS_SET_SECS_USECS (select_timeout, 0, 20000); |
2838 | ||
2839 | if (timeout && EMACS_TIME_LT (remaining_time, select_timeout)) | |
2840 | select_timeout = remaining_time; | |
2841 | ||
2842 | r = select (n, &orfds, wfds, efds, &select_timeout); | |
2843 | BLOCK_INPUT; | |
2844 | err = ReceiveNextEvent (0, NULL, kEventDurationNoWait, | |
2845 | kEventLeaveInQueue, NULL); | |
2846 | UNBLOCK_INPUT; | |
2847 | if (r > 0) | |
2848 | { | |
2849 | *rfds = orfds; | |
2850 | if (err == noErr) | |
2851 | { | |
2852 | FD_SET (0, rfds); | |
2853 | r++; | |
2854 | } | |
2855 | return r; | |
2856 | } | |
2857 | else if (err == noErr) | |
2858 | { | |
2859 | FD_ZERO (rfds); | |
2860 | FD_SET (0, rfds); | |
2861 | return 1; | |
2862 | } | |
1000788b | 2863 | |
bfcf6608 ST |
2864 | if (timeout) |
2865 | { | |
2866 | EMACS_GET_TIME (now); | |
2867 | EMACS_SUB_TIME (remaining_time, end_time, now); | |
2868 | } | |
2869 | } | |
2870 | while (!timeout || EMACS_TIME_LT (now, end_time)); | |
2871 | ||
2872 | return 0; | |
2873 | } | |
1000788b AC |
2874 | |
2875 | /* Set up environment variables so that Emacs can correctly find its | |
2876 | support files when packaged as an application bundle. Directories | |
2877 | placed in /usr/local/share/emacs/<emacs-version>/, /usr/local/bin, | |
2878 | and /usr/local/libexec/emacs/<emacs-version>/<system-configuration> | |
2879 | by `make install' by default can instead be placed in | |
2880 | .../Emacs.app/Contents/Resources/ and | |
2881 | .../Emacs.app/Contents/MacOS/. Each of these environment variables | |
2882 | is changed only if it is not already set. Presumably if the user | |
2883 | sets an environment variable, he will want to use files in his path | |
2884 | instead of ones in the application bundle. */ | |
2885 | void | |
2886 | init_mac_osx_environment () | |
2887 | { | |
2888 | CFBundleRef bundle; | |
2889 | CFURLRef bundleURL; | |
2890 | CFStringRef cf_app_bundle_pathname; | |
2891 | int app_bundle_pathname_len; | |
2892 | char *app_bundle_pathname; | |
2893 | char *p, *q; | |
2894 | struct stat st; | |
2895 | ||
2896 | /* Fetch the pathname of the application bundle as a C string into | |
2897 | app_bundle_pathname. */ | |
2898 | ||
2899 | bundle = CFBundleGetMainBundle (); | |
2900 | if (!bundle) | |
2901 | return; | |
2902 | ||
2903 | bundleURL = CFBundleCopyBundleURL (bundle); | |
2904 | if (!bundleURL) | |
2905 | return; | |
2906 | ||
2907 | cf_app_bundle_pathname = CFURLCopyFileSystemPath (bundleURL, | |
2908 | kCFURLPOSIXPathStyle); | |
2909 | app_bundle_pathname_len = CFStringGetLength (cf_app_bundle_pathname); | |
2910 | app_bundle_pathname = (char *) alloca (app_bundle_pathname_len + 1); | |
2911 | ||
2912 | if (!CFStringGetCString (cf_app_bundle_pathname, | |
2913 | app_bundle_pathname, | |
2914 | app_bundle_pathname_len + 1, | |
2915 | kCFStringEncodingISOLatin1)) | |
2916 | { | |
2917 | CFRelease (cf_app_bundle_pathname); | |
2918 | return; | |
2919 | } | |
2920 | ||
2921 | CFRelease (cf_app_bundle_pathname); | |
2922 | ||
2923 | /* P should have sufficient room for the pathname of the bundle plus | |
2924 | the subpath in it leading to the respective directories. Q | |
2925 | should have three times that much room because EMACSLOADPATH can | |
2926 | have the value "<path to lisp dir>:<path to leim dir>:<path to | |
2927 | site-lisp dir>". */ | |
2928 | p = (char *) alloca (app_bundle_pathname_len + 50); | |
2929 | q = (char *) alloca (3 * app_bundle_pathname_len + 150); | |
2930 | if (!getenv ("EMACSLOADPATH")) | |
2931 | { | |
2932 | q[0] = '\0'; | |
2933 | ||
2934 | strcpy (p, app_bundle_pathname); | |
2935 | strcat (p, "/Contents/Resources/lisp"); | |
2936 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2937 | strcat (q, p); | |
2938 | ||
2939 | strcpy (p, app_bundle_pathname); | |
2940 | strcat (p, "/Contents/Resources/leim"); | |
2941 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2942 | { | |
2943 | if (q[0] != '\0') | |
2944 | strcat (q, ":"); | |
2945 | strcat (q, p); | |
2946 | } | |
2947 | ||
2948 | strcpy (p, app_bundle_pathname); | |
2949 | strcat (p, "/Contents/Resources/site-lisp"); | |
2950 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2951 | { | |
2952 | if (q[0] != '\0') | |
2953 | strcat (q, ":"); | |
2954 | strcat (q, p); | |
2955 | } | |
2956 | ||
2957 | if (q[0] != '\0') | |
2958 | setenv ("EMACSLOADPATH", q, 1); | |
2959 | } | |
2960 | ||
2961 | if (!getenv ("EMACSPATH")) | |
2962 | { | |
2963 | q[0] = '\0'; | |
2964 | ||
2965 | strcpy (p, app_bundle_pathname); | |
e8f25745 | 2966 | strcat (p, "/Contents/MacOS/libexec"); |
1000788b AC |
2967 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) |
2968 | strcat (q, p); | |
2969 | ||
2970 | strcpy (p, app_bundle_pathname); | |
e8f25745 | 2971 | strcat (p, "/Contents/MacOS/bin"); |
1000788b AC |
2972 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) |
2973 | { | |
2974 | if (q[0] != '\0') | |
2975 | strcat (q, ":"); | |
2976 | strcat (q, p); | |
2977 | } | |
2978 | ||
2979 | if (q[0] != '\0') | |
2980 | setenv ("EMACSPATH", q, 1); | |
2981 | } | |
2982 | ||
2983 | if (!getenv ("EMACSDATA")) | |
2984 | { | |
2985 | strcpy (p, app_bundle_pathname); | |
2986 | strcat (p, "/Contents/Resources/etc"); | |
2987 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2988 | setenv ("EMACSDATA", p, 1); | |
2989 | } | |
2990 | ||
2991 | if (!getenv ("EMACSDOC")) | |
2992 | { | |
2993 | strcpy (p, app_bundle_pathname); | |
2994 | strcat (p, "/Contents/Resources/etc"); | |
2995 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2996 | setenv ("EMACSDOC", p, 1); | |
2997 | } | |
2998 | ||
2999 | if (!getenv ("INFOPATH")) | |
3000 | { | |
3001 | strcpy (p, app_bundle_pathname); | |
3002 | strcat (p, "/Contents/Resources/info"); | |
3003 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
3004 | setenv ("INFOPATH", p, 1); | |
3005 | } | |
3006 | } | |
8030369c | 3007 | #endif /* MAC_OSX */ |
1a578e9b AC |
3008 | |
3009 | void | |
3010 | syms_of_mac () | |
3011 | { | |
3012 | QCLIPBOARD = intern ("CLIPBOARD"); | |
3013 | staticpro (&QCLIPBOARD); | |
7d0393cf | 3014 | |
1a578e9b AC |
3015 | defsubr (&Smac_paste_function); |
3016 | defsubr (&Smac_cut_function); | |
3017 | defsubr (&Sx_selection_exists_p); | |
3018 | ||
3019 | defsubr (&Sdo_applescript); | |
60fe1161 AC |
3020 | defsubr (&Smac_file_name_to_posix); |
3021 | defsubr (&Sposix_file_name_to_mac); | |
1a578e9b | 3022 | } |
ab5796a9 MB |
3023 | |
3024 | /* arch-tag: 29d30c1f-0c6b-4f88-8a6d-0558d7f9dbff | |
3025 | (do not change this comment) */ |