Commit | Line | Data |
---|---|---|
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> | |
33 | #include <sys/param.h> | |
1000788b | 34 | #include <stdlib.h> |
2eb46b2d | 35 | #include <fcntl.h> |
1a578e9b AC |
36 | #if __MWERKS__ |
37 | #include <unistd.h> | |
38 | #endif | |
39 | ||
e0f712ba AC |
40 | #ifdef MAC_OSX |
41 | #undef mktime | |
42 | #undef DEBUG | |
43 | #undef free | |
44 | #undef malloc | |
45 | #undef realloc | |
f00691a3 | 46 | #undef init_process |
e0f712ba AC |
47 | #include <Carbon/Carbon.h> |
48 | #undef free | |
49 | #define free unexec_free | |
50 | #undef malloc | |
51 | #define malloc unexec_malloc | |
52 | #undef realloc | |
53 | #define realloc unexec_realloc | |
f00691a3 AC |
54 | #undef init_process |
55 | #define init_process emacs_init_process | |
e0f712ba | 56 | #else /* not MAC_OSX */ |
1a578e9b AC |
57 | #include <Files.h> |
58 | #include <MacTypes.h> | |
59 | #include <TextUtils.h> | |
60 | #include <Folders.h> | |
61 | #include <Resources.h> | |
62 | #include <Aliases.h> | |
63 | #include <FixMath.h> | |
64 | #include <Timer.h> | |
65 | #include <OSA.h> | |
66 | #include <AppleScript.h> | |
e0f712ba AC |
67 | #include <Scrap.h> |
68 | #endif /* not MAC_OSX */ | |
1a578e9b AC |
69 | |
70 | #include "lisp.h" | |
71 | #include "process.h" | |
72 | #include "sysselect.h" | |
73 | #include "systime.h" | |
74 | ||
75 | Lisp_Object QCLIPBOARD; | |
76 | ||
77 | /* An instance of the AppleScript component. */ | |
78 | static ComponentInstance as_scripting_component; | |
79 | /* The single script context used for all script executions. */ | |
80 | static OSAID as_script_context; | |
81 | ||
82 | ||
83 | /* When converting from Mac to Unix pathnames, /'s in folder names are | |
84 | converted to :'s. This function, used in copying folder names, | |
85 | performs a strncat and converts all character a to b in the copy of | |
86 | the string s2 appended to the end of s1. */ | |
87 | ||
88 | void | |
89 | string_cat_and_replace (char *s1, const char *s2, int n, char a, char b) | |
90 | { | |
91 | int l1 = strlen (s1); | |
92 | int l2 = strlen (s2); | |
93 | char *p = s1 + l1; | |
94 | int i; | |
7d0393cf | 95 | |
1a578e9b AC |
96 | strncat (s1, s2, n); |
97 | for (i = 0; i < l2; i++) | |
98 | { | |
99 | if (*p == a) | |
100 | *p = b; | |
101 | p++; | |
102 | } | |
103 | } | |
104 | ||
105 | ||
e0f712ba | 106 | /* Convert a Mac pathname to Posix form. A Mac full pathname is one |
1a578e9b | 107 | that does not begin with a ':' and contains at least one ':'. A Mac |
7d0393cf | 108 | full pathname causes a '/' to be prepended to the Posix pathname. |
1a578e9b AC |
109 | The algorithm for the rest of the pathname is as follows: |
110 | For each segment between two ':', | |
111 | if it is non-null, copy as is and then add a '/' at the end, | |
e0f712ba | 112 | otherwise, insert a "../" into the Posix pathname. |
1a578e9b | 113 | Returns 1 if successful; 0 if fails. */ |
7d0393cf | 114 | |
1a578e9b | 115 | int |
60fe1161 | 116 | mac_to_posix_pathname (const char *mfn, char *ufn, int ufnbuflen) |
1a578e9b AC |
117 | { |
118 | const char *p, *q, *pe; | |
7d0393cf | 119 | |
1a578e9b | 120 | strcpy (ufn, ""); |
7d0393cf | 121 | |
1a578e9b AC |
122 | if (*mfn == '\0') |
123 | return 1; | |
7d0393cf | 124 | |
1a578e9b AC |
125 | p = strchr (mfn, ':'); |
126 | if (p != 0 && p != mfn) /* full pathname */ | |
127 | strcat (ufn, "/"); | |
7d0393cf | 128 | |
1a578e9b AC |
129 | p = mfn; |
130 | if (*p == ':') | |
131 | p++; | |
132 | ||
133 | pe = mfn + strlen (mfn); | |
134 | while (p < pe) | |
135 | { | |
136 | q = strchr (p, ':'); | |
137 | if (q) | |
138 | { | |
139 | if (q == p) | |
140 | { /* two consecutive ':' */ | |
141 | if (strlen (ufn) + 3 >= ufnbuflen) | |
142 | return 0; | |
143 | strcat (ufn, "../"); | |
144 | } | |
145 | else | |
146 | { | |
147 | if (strlen (ufn) + (q - p) + 1 >= ufnbuflen) | |
148 | return 0; | |
149 | string_cat_and_replace (ufn, p, q - p, '/', ':'); | |
150 | strcat (ufn, "/"); | |
151 | } | |
152 | p = q + 1; | |
153 | } | |
154 | else | |
155 | { | |
156 | if (strlen (ufn) + (pe - p) >= ufnbuflen) | |
157 | return 0; | |
158 | string_cat_and_replace (ufn, p, pe - p, '/', ':'); | |
159 | /* no separator for last one */ | |
160 | p = pe; | |
161 | } | |
162 | } | |
7d0393cf | 163 | |
1a578e9b AC |
164 | return 1; |
165 | } | |
166 | ||
167 | ||
168 | extern char *get_temp_dir_name (); | |
169 | ||
170 | ||
e0f712ba | 171 | /* Convert a Posix pathname to Mac form. Approximately reverse of the |
1a578e9b | 172 | above in algorithm. */ |
7d0393cf | 173 | |
1a578e9b | 174 | int |
60fe1161 | 175 | posix_to_mac_pathname (const char *ufn, char *mfn, int mfnbuflen) |
1a578e9b AC |
176 | { |
177 | const char *p, *q, *pe; | |
178 | char expanded_pathname[MAXPATHLEN+1]; | |
7d0393cf | 179 | |
1a578e9b | 180 | strcpy (mfn, ""); |
7d0393cf | 181 | |
1a578e9b AC |
182 | if (*ufn == '\0') |
183 | return 1; | |
184 | ||
185 | p = ufn; | |
7d0393cf | 186 | |
1a578e9b AC |
187 | /* Check for and handle volume names. Last comparison: strangely |
188 | somewhere "/.emacs" is passed. A temporary fix for now. */ | |
189 | if (*p == '/' && strchr (p+1, '/') == NULL && strcmp (p, "/.emacs") != 0) | |
190 | { | |
191 | if (strlen (p) + 1 > mfnbuflen) | |
192 | return 0; | |
193 | strcpy (mfn, p+1); | |
194 | strcat (mfn, ":"); | |
195 | return 1; | |
196 | } | |
197 | ||
198 | /* expand to emacs dir found by init_emacs_passwd_dir */ | |
199 | if (strncmp (p, "~emacs/", 7) == 0) | |
200 | { | |
201 | struct passwd *pw = getpwnam ("emacs"); | |
202 | p += 7; | |
203 | if (strlen (pw->pw_dir) + strlen (p) > MAXPATHLEN) | |
204 | return 0; | |
205 | strcpy (expanded_pathname, pw->pw_dir); | |
206 | strcat (expanded_pathname, p); | |
207 | p = expanded_pathname; | |
208 | /* now p points to the pathname with emacs dir prefix */ | |
209 | } | |
210 | else if (strncmp (p, "/tmp/", 5) == 0) | |
211 | { | |
212 | char *t = get_temp_dir_name (); | |
213 | p += 5; | |
214 | if (strlen (t) + strlen (p) > MAXPATHLEN) | |
215 | return 0; | |
216 | strcpy (expanded_pathname, t); | |
217 | strcat (expanded_pathname, p); | |
218 | p = expanded_pathname; | |
219 | /* now p points to the pathname with emacs dir prefix */ | |
7d0393cf | 220 | } |
1a578e9b AC |
221 | else if (*p != '/') /* relative pathname */ |
222 | strcat (mfn, ":"); | |
7d0393cf | 223 | |
1a578e9b AC |
224 | if (*p == '/') |
225 | p++; | |
226 | ||
227 | pe = p + strlen (p); | |
228 | while (p < pe) | |
229 | { | |
230 | q = strchr (p, '/'); | |
231 | if (q) | |
232 | { | |
233 | if (q - p == 2 && *p == '.' && *(p+1) == '.') | |
234 | { | |
235 | if (strlen (mfn) + 1 >= mfnbuflen) | |
236 | return 0; | |
237 | strcat (mfn, ":"); | |
238 | } | |
239 | else | |
240 | { | |
241 | if (strlen (mfn) + (q - p) + 1 >= mfnbuflen) | |
242 | return 0; | |
243 | string_cat_and_replace (mfn, p, q - p, ':', '/'); | |
244 | strcat (mfn, ":"); | |
245 | } | |
246 | p = q + 1; | |
247 | } | |
248 | else | |
249 | { | |
250 | if (strlen (mfn) + (pe - p) >= mfnbuflen) | |
251 | return 0; | |
252 | string_cat_and_replace (mfn, p, pe - p, ':', '/'); | |
253 | p = pe; | |
254 | } | |
255 | } | |
7d0393cf | 256 | |
1a578e9b AC |
257 | return 1; |
258 | } | |
259 | ||
e0f712ba | 260 | #ifndef MAC_OSX |
1a578e9b AC |
261 | |
262 | /* The following functions with "sys_" prefix are stubs to Unix | |
263 | functions that have already been implemented by CW or MPW. The | |
264 | calls to them in Emacs source course are #define'd to call the sys_ | |
265 | versions by the header files s-mac.h. In these stubs pathnames are | |
266 | converted between their Unix and Mac forms. */ | |
267 | ||
268 | ||
269 | /* Unix epoch is Jan 1, 1970 while Mac epoch is Jan 1, 1904: 66 years | |
270 | + 17 leap days. These are for adjusting time values returned by | |
271 | MacOS Toolbox functions. */ | |
272 | ||
273 | #define MAC_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) | |
274 | ||
275 | #ifdef __MWERKS__ | |
e0f712ba | 276 | #if __MSL__ < 0x6000 |
1a578e9b AC |
277 | /* CW Pro 5 epoch is Jan 1, 1900 (aaarghhhhh!); remember, 1900 is not |
278 | a leap year! This is for adjusting time_t values returned by MSL | |
279 | functions. */ | |
280 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 70 + 17) * 24 * 60 * 60) | |
e0f712ba AC |
281 | #else /* __MSL__ >= 0x6000 */ |
282 | /* CW changes Pro 6 to follow Unix! */ | |
1a578e9b | 283 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) |
e0f712ba | 284 | #endif /* __MSL__ >= 0x6000 */ |
1a578e9b AC |
285 | #elif __MRC__ |
286 | /* MPW library functions follow Unix (confused?). */ | |
287 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) | |
e0f712ba | 288 | #else /* not __MRC__ */ |
1a578e9b | 289 | You lose!!! |
e0f712ba | 290 | #endif /* not __MRC__ */ |
1a578e9b AC |
291 | |
292 | ||
293 | /* Define our own stat function for both MrC and CW. The reason for | |
294 | doing this: "stat" is both the name of a struct and function name: | |
295 | can't use the same trick like that for sys_open, sys_close, etc. to | |
296 | redirect Emacs's calls to our own version that converts Unix style | |
297 | filenames to Mac style filename because all sorts of compilation | |
298 | errors will be generated if stat is #define'd to be sys_stat. */ | |
299 | ||
300 | int | |
301 | stat_noalias (const char *path, struct stat *buf) | |
302 | { | |
303 | char mac_pathname[MAXPATHLEN+1]; | |
304 | CInfoPBRec cipb; | |
305 | ||
60fe1161 | 306 | if (posix_to_mac_pathname (path, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
307 | return -1; |
308 | ||
309 | c2pstr (mac_pathname); | |
310 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
311 | cipb.hFileInfo.ioVRefNum = 0; | |
312 | cipb.hFileInfo.ioDirID = 0; | |
313 | cipb.hFileInfo.ioFDirIndex = 0; | |
314 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 315 | |
1a578e9b AC |
316 | errno = PBGetCatInfo (&cipb, false); |
317 | if (errno == -43) /* -43: fnfErr defined in Errors.h */ | |
318 | errno = ENOENT; | |
319 | if (errno != noErr) | |
320 | return -1; | |
321 | ||
322 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* bit 4 = 1 for directories */ | |
323 | { | |
324 | buf->st_mode = S_IFDIR | S_IREAD | S_IEXEC; | |
7d0393cf | 325 | |
1a578e9b AC |
326 | if (!(cipb.hFileInfo.ioFlAttrib & 0x1)) |
327 | buf->st_mode |= S_IWRITE; /* bit 1 = 1 for locked files/directories */ | |
328 | buf->st_ino = cipb.dirInfo.ioDrDirID; | |
329 | buf->st_dev = cipb.dirInfo.ioVRefNum; | |
330 | buf->st_size = cipb.dirInfo.ioDrNmFls; | |
331 | /* size of dir = number of files and dirs */ | |
332 | buf->st_atime | |
333 | = buf->st_mtime | |
334 | = cipb.dirInfo.ioDrMdDat - MAC_UNIX_EPOCH_DIFF; | |
335 | buf->st_ctime = cipb.dirInfo.ioDrCrDat - MAC_UNIX_EPOCH_DIFF; | |
336 | } | |
337 | else | |
338 | { | |
339 | buf->st_mode = S_IFREG | S_IREAD; | |
340 | if (!(cipb.hFileInfo.ioFlAttrib & 0x1)) | |
341 | buf->st_mode |= S_IWRITE; /* bit 1 = 1 for locked files/directories */ | |
342 | if (cipb.hFileInfo.ioFlFndrInfo.fdType == 'APPL') | |
343 | buf->st_mode |= S_IEXEC; | |
344 | buf->st_ino = cipb.hFileInfo.ioDirID; | |
345 | buf->st_dev = cipb.hFileInfo.ioVRefNum; | |
346 | buf->st_size = cipb.hFileInfo.ioFlLgLen; | |
347 | buf->st_atime | |
348 | = buf->st_mtime | |
349 | = cipb.hFileInfo.ioFlMdDat - MAC_UNIX_EPOCH_DIFF; | |
350 | buf->st_ctime = cipb.hFileInfo.ioFlCrDat - MAC_UNIX_EPOCH_DIFF; | |
351 | } | |
352 | ||
353 | if (cipb.hFileInfo.ioFlFndrInfo.fdFlags & 0x8000) | |
354 | { | |
355 | /* identify alias files as symlinks */ | |
1a578e9b | 356 | buf->st_mode &= ~S_IFREG; |
3b6944ed | 357 | buf->st_mode |= S_IFLNK; |
1a578e9b AC |
358 | } |
359 | ||
360 | buf->st_nlink = 1; | |
361 | buf->st_uid = getuid (); | |
362 | buf->st_gid = getgid (); | |
363 | buf->st_rdev = 0; | |
364 | ||
365 | return 0; | |
366 | } | |
367 | ||
368 | ||
369 | int | |
370 | lstat (const char *path, struct stat *buf) | |
371 | { | |
372 | int result; | |
373 | char true_pathname[MAXPATHLEN+1]; | |
374 | ||
375 | /* Try looking for the file without resolving aliases first. */ | |
376 | if ((result = stat_noalias (path, buf)) >= 0) | |
377 | return result; | |
378 | ||
379 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) | |
380 | return -1; | |
7d0393cf | 381 | |
1a578e9b AC |
382 | return stat_noalias (true_pathname, buf); |
383 | } | |
384 | ||
385 | ||
386 | int | |
387 | stat (const char *path, struct stat *sb) | |
388 | { | |
389 | int result; | |
7d0393cf | 390 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b | 391 | int len; |
7d0393cf | 392 | |
3b6944ed AC |
393 | if ((result = stat_noalias (path, sb)) >= 0 && |
394 | ! (sb->st_mode & S_IFLNK)) | |
1a578e9b AC |
395 | return result; |
396 | ||
397 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) | |
398 | return -1; | |
7d0393cf | 399 | |
1a578e9b AC |
400 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
401 | if (len > -1) | |
402 | { | |
403 | fully_resolved_name[len] = '\0'; | |
404 | /* in fact our readlink terminates strings */ | |
405 | return lstat (fully_resolved_name, sb); | |
406 | } | |
407 | else | |
408 | return lstat (true_pathname, sb); | |
409 | } | |
410 | ||
411 | ||
412 | #if __MRC__ | |
413 | /* CW defines fstat in stat.mac.c while MPW does not provide this | |
414 | function. Without the information of how to get from a file | |
415 | descriptor in MPW StdCLib to a Mac OS file spec, it should be hard | |
416 | to implement this function. Fortunately, there is only one place | |
417 | where this function is called in our configuration: in fileio.c, | |
418 | where only the st_dev and st_ino fields are used to determine | |
419 | whether two fildes point to different i-nodes to prevent copying | |
420 | a file onto itself equal. What we have here probably needs | |
421 | improvement. */ | |
422 | ||
423 | int | |
424 | fstat (int fildes, struct stat *buf) | |
425 | { | |
426 | buf->st_dev = 0; | |
427 | buf->st_ino = fildes; | |
428 | buf->st_mode = S_IFREG; /* added by T.I. for the copy-file */ | |
429 | return 0; /* success */ | |
430 | } | |
431 | #endif /* __MRC__ */ | |
432 | ||
433 | ||
1a578e9b AC |
434 | int |
435 | mkdir (const char *dirname, int mode) | |
436 | { | |
437 | #pragma unused(mode) | |
438 | ||
439 | HFileParam hfpb; | |
440 | char true_pathname[MAXPATHLEN+1], mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 441 | |
1a578e9b AC |
442 | if (find_true_pathname (dirname, true_pathname, MAXPATHLEN+1) == -1) |
443 | return -1; | |
7d0393cf | 444 | |
60fe1161 | 445 | if (posix_to_mac_pathname (true_pathname, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
446 | return -1; |
447 | ||
448 | c2pstr (mac_pathname); | |
449 | hfpb.ioNamePtr = mac_pathname; | |
450 | hfpb.ioVRefNum = 0; /* ignored unless name is invalid */ | |
451 | hfpb.ioDirID = 0; /* parent is the root */ | |
7d0393cf | 452 | |
1a578e9b AC |
453 | errno = PBDirCreate ((HParmBlkPtr) &hfpb, false); |
454 | /* just return the Mac OSErr code for now */ | |
455 | return errno == noErr ? 0 : -1; | |
456 | } | |
457 | ||
458 | ||
459 | #undef rmdir | |
460 | sys_rmdir (const char *dirname) | |
461 | { | |
462 | HFileParam hfpb; | |
463 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 464 | |
60fe1161 | 465 | if (posix_to_mac_pathname (dirname, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
466 | return -1; |
467 | ||
468 | c2pstr (mac_pathname); | |
469 | hfpb.ioNamePtr = mac_pathname; | |
470 | hfpb.ioVRefNum = 0; /* ignored unless name is invalid */ | |
471 | hfpb.ioDirID = 0; /* parent is the root */ | |
7d0393cf | 472 | |
1a578e9b AC |
473 | errno = PBHDelete ((HParmBlkPtr) &hfpb, false); |
474 | return errno == noErr ? 0 : -1; | |
475 | } | |
476 | ||
477 | ||
478 | #ifdef __MRC__ | |
479 | /* No implementation yet. */ | |
480 | int | |
481 | execvp (const char *path, ...) | |
482 | { | |
483 | return -1; | |
484 | } | |
485 | #endif /* __MRC__ */ | |
486 | ||
487 | ||
488 | int | |
489 | utime (const char *path, const struct utimbuf *times) | |
490 | { | |
7d0393cf | 491 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
492 | int len; |
493 | char mac_pathname[MAXPATHLEN+1]; | |
494 | CInfoPBRec cipb; | |
7d0393cf | 495 | |
1a578e9b AC |
496 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
497 | return -1; | |
7d0393cf | 498 | |
1a578e9b AC |
499 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
500 | if (len > -1) | |
501 | fully_resolved_name[len] = '\0'; | |
502 | else | |
503 | strcpy (fully_resolved_name, true_pathname); | |
504 | ||
60fe1161 | 505 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
506 | return -1; |
507 | ||
508 | c2pstr (mac_pathname); | |
509 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
510 | cipb.hFileInfo.ioVRefNum = 0; | |
511 | cipb.hFileInfo.ioDirID = 0; | |
7d0393cf | 512 | cipb.hFileInfo.ioFDirIndex = 0; |
1a578e9b | 513 | /* set to 0 to get information about specific dir or file */ |
7d0393cf | 514 | |
1a578e9b AC |
515 | errno = PBGetCatInfo (&cipb, false); |
516 | if (errno != noErr) | |
517 | return -1; | |
518 | ||
519 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* bit 4 = 1 for directories */ | |
520 | { | |
521 | if (times) | |
522 | cipb.dirInfo.ioDrMdDat = times->modtime + MAC_UNIX_EPOCH_DIFF; | |
523 | else | |
524 | GetDateTime (&cipb.dirInfo.ioDrMdDat); | |
525 | } | |
526 | else | |
527 | { | |
528 | if (times) | |
529 | cipb.hFileInfo.ioFlMdDat = times->modtime + MAC_UNIX_EPOCH_DIFF; | |
530 | else | |
531 | GetDateTime (&cipb.hFileInfo.ioFlMdDat); | |
532 | } | |
533 | ||
534 | errno = PBSetCatInfo (&cipb, false); | |
535 | return errno == noErr ? 0 : -1; | |
536 | } | |
537 | ||
538 | ||
539 | #ifndef F_OK | |
540 | #define F_OK 0 | |
541 | #endif | |
542 | #ifndef X_OK | |
543 | #define X_OK 1 | |
544 | #endif | |
545 | #ifndef W_OK | |
546 | #define W_OK 2 | |
547 | #endif | |
548 | ||
549 | /* Like stat, but test for access mode in hfpb.ioFlAttrib */ | |
550 | int | |
551 | access (const char *path, int mode) | |
552 | { | |
7d0393cf | 553 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
554 | int len; |
555 | char mac_pathname[MAXPATHLEN+1]; | |
556 | CInfoPBRec cipb; | |
7d0393cf | 557 | |
1a578e9b AC |
558 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
559 | return -1; | |
7d0393cf | 560 | |
1a578e9b AC |
561 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
562 | if (len > -1) | |
563 | fully_resolved_name[len] = '\0'; | |
564 | else | |
565 | strcpy (fully_resolved_name, true_pathname); | |
566 | ||
60fe1161 | 567 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
568 | return -1; |
569 | ||
570 | c2pstr (mac_pathname); | |
571 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
572 | cipb.hFileInfo.ioVRefNum = 0; | |
573 | cipb.hFileInfo.ioDirID = 0; | |
574 | cipb.hFileInfo.ioFDirIndex = 0; | |
575 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 576 | |
1a578e9b AC |
577 | errno = PBGetCatInfo (&cipb, false); |
578 | if (errno != noErr) | |
579 | return -1; | |
580 | ||
581 | if (mode == F_OK) /* got this far, file exists */ | |
582 | return 0; | |
583 | ||
584 | if (mode & X_OK) | |
585 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* path refers to a directory */ | |
586 | return 0; | |
587 | else | |
588 | { | |
589 | if (cipb.hFileInfo.ioFlFndrInfo.fdType == 'APPL') | |
590 | return 0; | |
591 | else | |
592 | return -1; | |
593 | } | |
594 | ||
595 | if (mode & W_OK) | |
596 | return (cipb.hFileInfo.ioFlAttrib & 0x1) ? -1 : 0; | |
597 | /* don't allow if lock bit is on */ | |
598 | ||
599 | return -1; | |
600 | } | |
601 | ||
602 | ||
603 | #define DEV_NULL_FD 0x10000 | |
604 | ||
605 | #undef open | |
606 | int | |
607 | sys_open (const char *path, int oflag) | |
608 | { | |
7d0393cf | 609 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
610 | int len; |
611 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 612 | |
1a578e9b AC |
613 | if (strcmp (path, "/dev/null") == 0) |
614 | return DEV_NULL_FD; /* some bogus fd to be ignored in write */ | |
7d0393cf | 615 | |
1a578e9b AC |
616 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
617 | return -1; | |
7d0393cf | 618 | |
1a578e9b AC |
619 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
620 | if (len > -1) | |
621 | fully_resolved_name[len] = '\0'; | |
622 | else | |
623 | strcpy (fully_resolved_name, true_pathname); | |
624 | ||
60fe1161 | 625 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
626 | return -1; |
627 | else | |
628 | { | |
629 | #ifdef __MRC__ | |
3b6944ed AC |
630 | int res = open (mac_pathname, oflag); |
631 | /* if (oflag == O_WRONLY || oflag == O_RDWR) */ | |
632 | if (oflag & O_CREAT) | |
1a578e9b | 633 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); |
3b6944ed | 634 | return res; |
e0f712ba | 635 | #else /* not __MRC__ */ |
1a578e9b | 636 | return open (mac_pathname, oflag); |
e0f712ba | 637 | #endif /* not __MRC__ */ |
1a578e9b AC |
638 | } |
639 | } | |
640 | ||
641 | ||
642 | #undef creat | |
643 | int | |
644 | sys_creat (const char *path, mode_t mode) | |
645 | { | |
7d0393cf | 646 | char true_pathname[MAXPATHLEN+1]; |
1a578e9b AC |
647 | int len; |
648 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 649 | |
1a578e9b AC |
650 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
651 | return -1; | |
652 | ||
60fe1161 | 653 | if (!posix_to_mac_pathname (true_pathname, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
654 | return -1; |
655 | else | |
656 | { | |
657 | #ifdef __MRC__ | |
658 | int result = creat (mac_pathname); | |
659 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); | |
660 | return result; | |
e0f712ba | 661 | #else /* not __MRC__ */ |
1a578e9b | 662 | return creat (mac_pathname, mode); |
e0f712ba | 663 | #endif /* not __MRC__ */ |
1a578e9b AC |
664 | } |
665 | } | |
666 | ||
667 | ||
668 | #undef unlink | |
669 | int | |
670 | sys_unlink (const char *path) | |
671 | { | |
7d0393cf | 672 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
673 | int len; |
674 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 675 | |
1a578e9b AC |
676 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
677 | return -1; | |
7d0393cf | 678 | |
1a578e9b AC |
679 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
680 | if (len > -1) | |
681 | fully_resolved_name[len] = '\0'; | |
682 | else | |
683 | strcpy (fully_resolved_name, true_pathname); | |
684 | ||
60fe1161 | 685 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
686 | return -1; |
687 | else | |
688 | return unlink (mac_pathname); | |
689 | } | |
690 | ||
691 | ||
692 | #undef read | |
693 | int | |
694 | sys_read (int fildes, char *buf, int count) | |
695 | { | |
696 | if (fildes == 0) /* this should not be used for console input */ | |
697 | return -1; | |
698 | else | |
e0f712ba | 699 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
700 | return _read (fildes, buf, count); |
701 | #else | |
702 | return read (fildes, buf, count); | |
703 | #endif | |
704 | } | |
705 | ||
706 | ||
707 | #undef write | |
708 | int | |
709 | sys_write (int fildes, const char *buf, int count) | |
710 | { | |
711 | if (fildes == DEV_NULL_FD) | |
712 | return count; | |
713 | else | |
e0f712ba | 714 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
715 | return _write (fildes, buf, count); |
716 | #else | |
717 | return write (fildes, buf, count); | |
718 | #endif | |
719 | } | |
720 | ||
721 | ||
722 | #undef rename | |
723 | int | |
724 | sys_rename (const char * old_name, const char * new_name) | |
725 | { | |
726 | char true_old_pathname[MAXPATHLEN+1], true_new_pathname[MAXPATHLEN+1]; | |
7d0393cf | 727 | char fully_resolved_old_name[MAXPATHLEN+1]; |
1a578e9b AC |
728 | int len; |
729 | char mac_old_name[MAXPATHLEN+1], mac_new_name[MAXPATHLEN+1]; | |
7d0393cf | 730 | |
1a578e9b AC |
731 | if (find_true_pathname (old_name, true_old_pathname, MAXPATHLEN+1) == -1) |
732 | return -1; | |
7d0393cf | 733 | |
1a578e9b AC |
734 | len = readlink (true_old_pathname, fully_resolved_old_name, MAXPATHLEN); |
735 | if (len > -1) | |
736 | fully_resolved_old_name[len] = '\0'; | |
737 | else | |
738 | strcpy (fully_resolved_old_name, true_old_pathname); | |
739 | ||
740 | if (find_true_pathname (new_name, true_new_pathname, MAXPATHLEN+1) == -1) | |
741 | return -1; | |
7d0393cf | 742 | |
1a578e9b AC |
743 | if (strcmp (fully_resolved_old_name, true_new_pathname) == 0) |
744 | return 0; | |
745 | ||
60fe1161 | 746 | if (!posix_to_mac_pathname (fully_resolved_old_name, |
1a578e9b AC |
747 | mac_old_name, |
748 | MAXPATHLEN+1)) | |
749 | return -1; | |
7d0393cf | 750 | |
60fe1161 | 751 | if (!posix_to_mac_pathname(true_new_pathname, mac_new_name, MAXPATHLEN+1)) |
1a578e9b AC |
752 | return -1; |
753 | ||
754 | /* If a file with new_name already exists, rename deletes the old | |
755 | file in Unix. CW version fails in these situation. So we add a | |
756 | call to unlink here. */ | |
757 | (void) unlink (mac_new_name); | |
7d0393cf | 758 | |
1a578e9b AC |
759 | return rename (mac_old_name, mac_new_name); |
760 | } | |
761 | ||
762 | ||
763 | #undef fopen | |
764 | extern FILE *fopen (const char *name, const char *mode); | |
765 | FILE * | |
766 | sys_fopen (const char *name, const char *mode) | |
767 | { | |
7d0393cf | 768 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
769 | int len; |
770 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 771 | |
1a578e9b AC |
772 | if (find_true_pathname (name, true_pathname, MAXPATHLEN+1) == -1) |
773 | return 0; | |
7d0393cf | 774 | |
1a578e9b AC |
775 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
776 | if (len > -1) | |
777 | fully_resolved_name[len] = '\0'; | |
778 | else | |
779 | strcpy (fully_resolved_name, true_pathname); | |
780 | ||
60fe1161 | 781 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
782 | return 0; |
783 | else | |
784 | { | |
785 | #ifdef __MRC__ | |
786 | if (mode[0] == 'w' || mode[0] == 'a') | |
787 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); | |
e0f712ba | 788 | #endif /* not __MRC__ */ |
1a578e9b AC |
789 | return fopen (mac_pathname, mode); |
790 | } | |
791 | } | |
792 | ||
793 | ||
794 | #include <Events.h> | |
795 | ||
796 | long target_ticks = 0; | |
797 | ||
798 | #ifdef __MRC__ | |
799 | __sigfun alarm_signal_func = (__sigfun) 0; | |
800 | #elif __MWERKS__ | |
801 | __signal_func_ptr alarm_signal_func = (__signal_func_ptr) 0; | |
e0f712ba | 802 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 803 | You lose!!! |
e0f712ba | 804 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
805 | |
806 | ||
807 | /* These functions simulate SIG_ALRM. The stub for function signal | |
808 | stores the signal handler function in alarm_signal_func if a | |
809 | SIG_ALRM is encountered. check_alarm is called in XTread_socket, | |
810 | which emacs calls periodically. A pending alarm is represented by | |
811 | a non-zero target_ticks value. check_alarm calls the handler | |
812 | function pointed to by alarm_signal_func if one has been set up and | |
813 | an alarm is pending. */ | |
814 | ||
815 | void | |
816 | check_alarm () | |
817 | { | |
818 | if (target_ticks && TickCount () > target_ticks) | |
819 | { | |
820 | target_ticks = 0; | |
821 | if (alarm_signal_func) | |
822 | (*alarm_signal_func)(SIGALRM); | |
823 | } | |
824 | } | |
825 | ||
826 | ||
827 | int | |
e0f712ba | 828 | select (n, rfds, wfds, efds, timeout) |
1a578e9b AC |
829 | int n; |
830 | SELECT_TYPE *rfds; | |
831 | SELECT_TYPE *wfds; | |
832 | SELECT_TYPE *efds; | |
833 | struct timeval *timeout; | |
834 | { | |
e0f712ba AC |
835 | #ifdef TARGET_API_MAC_CARBON |
836 | return 1; | |
837 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
838 | EMACS_TIME end_time, now; |
839 | EventRecord e; | |
1a578e9b AC |
840 | |
841 | /* Can only handle wait for keyboard input. */ | |
842 | if (n > 1 || wfds || efds) | |
843 | return -1; | |
844 | ||
845 | EMACS_GET_TIME (end_time); | |
846 | EMACS_ADD_TIME (end_time, end_time, *timeout); | |
7d0393cf | 847 | |
1a578e9b AC |
848 | do |
849 | { | |
850 | /* Also return true if an event other than a keyDown has | |
851 | occurred. This causes kbd_buffer_get_event in keyboard.c to | |
852 | call read_avail_input which in turn calls XTread_socket to | |
853 | poll for these events. Otherwise these never get processed | |
854 | except but a very slow poll timer. */ | |
855 | if (FD_ISSET (0, rfds) && EventAvail (everyEvent, &e)) | |
856 | return 1; | |
857 | ||
858 | /* Also check movement of the mouse. */ | |
859 | { | |
860 | Point mouse_pos; | |
861 | static Point old_mouse_pos = {-1, -1}; | |
7d0393cf | 862 | |
1a578e9b AC |
863 | GetMouse (&mouse_pos); |
864 | if (!EqualPt (mouse_pos, old_mouse_pos)) | |
865 | { | |
866 | old_mouse_pos = mouse_pos; | |
867 | return 1; | |
868 | } | |
869 | } | |
7d0393cf | 870 | |
e0f712ba AC |
871 | WaitNextEvent (0, &e, 1UL, NULL); /* Accept no event; wait 1 |
872 | tic. by T.I. */ | |
7d0393cf | 873 | |
1a578e9b AC |
874 | EMACS_GET_TIME (now); |
875 | EMACS_SUB_TIME (now, end_time, now); | |
876 | } | |
877 | while (!EMACS_TIME_NEG_P (now)); | |
878 | ||
879 | return 0; | |
e0f712ba | 880 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
881 | } |
882 | ||
883 | ||
884 | /* Called in sys_select to wait for an alarm signal to arrive. */ | |
885 | ||
886 | int | |
887 | pause () | |
888 | { | |
fa0b4c14 AC |
889 | EventRecord e; |
890 | unsigned long tick; | |
7d0393cf | 891 | |
1a578e9b AC |
892 | if (!target_ticks) /* no alarm pending */ |
893 | return -1; | |
894 | ||
e0f712ba AC |
895 | if ((tick = TickCount ()) < target_ticks) |
896 | WaitNextEvent (0, &e, target_ticks - tick, NULL); /* Accept no event; | |
897 | just wait. by T.I. */ | |
7d0393cf | 898 | |
1a578e9b AC |
899 | target_ticks = 0; |
900 | if (alarm_signal_func) | |
901 | (*alarm_signal_func)(SIGALRM); | |
7d0393cf | 902 | |
1a578e9b AC |
903 | return 0; |
904 | } | |
905 | ||
906 | ||
907 | int | |
908 | alarm (int seconds) | |
909 | { | |
910 | long remaining = target_ticks ? (TickCount () - target_ticks) / 60 : 0; | |
7d0393cf | 911 | |
1a578e9b | 912 | target_ticks = seconds ? TickCount () + 60 * seconds : 0; |
7d0393cf | 913 | |
1a578e9b AC |
914 | return (remaining < 0) ? 0 : (unsigned int) remaining; |
915 | } | |
916 | ||
917 | ||
918 | #undef signal | |
919 | #ifdef __MRC__ | |
920 | extern __sigfun signal (int signal, __sigfun signal_func); | |
921 | __sigfun | |
922 | sys_signal (int signal_num, __sigfun signal_func) | |
923 | #elif __MWERKS__ | |
924 | extern __signal_func_ptr signal (int signal, __signal_func_ptr signal_func); | |
925 | __signal_func_ptr | |
926 | sys_signal (int signal_num, __signal_func_ptr signal_func) | |
e0f712ba | 927 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 928 | You lose!!! |
e0f712ba | 929 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
930 | { |
931 | if (signal_num != SIGALRM) | |
932 | return signal (signal_num, signal_func); | |
933 | else | |
934 | { | |
935 | #ifdef __MRC__ | |
7d0393cf | 936 | __sigfun old_signal_func; |
1a578e9b | 937 | #elif __MWERKS__ |
7d0393cf | 938 | __signal_func_ptr old_signal_func; |
1a578e9b AC |
939 | #else |
940 | You lose!!! | |
941 | #endif | |
942 | old_signal_func = alarm_signal_func; | |
943 | alarm_signal_func = signal_func; | |
944 | return old_signal_func; | |
945 | } | |
946 | } | |
947 | ||
948 | ||
949 | /* gettimeofday should return the amount of time (in a timeval | |
950 | structure) since midnight today. The toolbox function Microseconds | |
951 | returns the number of microseconds (in a UnsignedWide value) since | |
952 | the machine was booted. Also making this complicated is WideAdd, | |
953 | WideSubtract, etc. take wide values. */ | |
954 | ||
955 | int | |
956 | gettimeofday (tp) | |
957 | struct timeval *tp; | |
958 | { | |
959 | static inited = 0; | |
960 | static wide wall_clock_at_epoch, clicks_at_epoch; | |
961 | UnsignedWide uw_microseconds; | |
962 | wide w_microseconds; | |
963 | time_t sys_time (time_t *); | |
964 | ||
965 | /* If this function is called for the first time, record the number | |
966 | of seconds since midnight and the number of microseconds since | |
967 | boot at the time of this first call. */ | |
968 | if (!inited) | |
969 | { | |
970 | time_t systime; | |
971 | inited = 1; | |
972 | systime = sys_time (NULL); | |
973 | /* Store microseconds since midnight in wall_clock_at_epoch. */ | |
974 | WideMultiply (systime, 1000000L, &wall_clock_at_epoch); | |
975 | Microseconds (&uw_microseconds); | |
976 | /* Store microseconds since boot in clicks_at_epoch. */ | |
977 | clicks_at_epoch.hi = uw_microseconds.hi; | |
978 | clicks_at_epoch.lo = uw_microseconds.lo; | |
979 | } | |
980 | ||
981 | /* Get time since boot */ | |
982 | Microseconds (&uw_microseconds); | |
7d0393cf | 983 | |
1a578e9b AC |
984 | /* Convert to time since midnight*/ |
985 | w_microseconds.hi = uw_microseconds.hi; | |
986 | w_microseconds.lo = uw_microseconds.lo; | |
987 | WideSubtract (&w_microseconds, &clicks_at_epoch); | |
988 | WideAdd (&w_microseconds, &wall_clock_at_epoch); | |
989 | tp->tv_sec = WideDivide (&w_microseconds, 1000000L, &tp->tv_usec); | |
990 | ||
991 | return 0; | |
992 | } | |
993 | ||
994 | ||
995 | #ifdef __MRC__ | |
996 | unsigned int | |
997 | sleep (unsigned int seconds) | |
998 | { | |
bc04fb2c | 999 | unsigned long time_up; |
fa0b4c14 AC |
1000 | EventRecord e; |
1001 | ||
bc04fb2c AC |
1002 | time_up = TickCount () + seconds * 60; |
1003 | while (TickCount () < time_up) | |
1004 | { | |
1005 | /* Accept no event; just wait. by T.I. */ | |
1006 | WaitNextEvent (0, &e, 30, NULL); | |
1007 | } | |
1a578e9b | 1008 | |
1a578e9b AC |
1009 | return (0); |
1010 | } | |
1011 | #endif /* __MRC__ */ | |
1012 | ||
1013 | ||
1014 | /* The time functions adjust time values according to the difference | |
1015 | between the Unix and CW epoches. */ | |
1016 | ||
1017 | #undef gmtime | |
1018 | extern struct tm *gmtime (const time_t *); | |
1019 | struct tm * | |
1020 | sys_gmtime (const time_t *timer) | |
1021 | { | |
1022 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
7d0393cf | 1023 | |
1a578e9b AC |
1024 | return gmtime (&unix_time); |
1025 | } | |
1026 | ||
1027 | ||
1028 | #undef localtime | |
1029 | extern struct tm *localtime (const time_t *); | |
1030 | struct tm * | |
1031 | sys_localtime (const time_t *timer) | |
1032 | { | |
e0f712ba | 1033 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1034 | time_t unix_time = *timer; |
1035 | #else | |
1036 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1037 | #endif | |
7d0393cf | 1038 | |
1a578e9b AC |
1039 | return localtime (&unix_time); |
1040 | } | |
1041 | ||
1042 | ||
1043 | #undef ctime | |
1044 | extern char *ctime (const time_t *); | |
1045 | char * | |
1046 | sys_ctime (const time_t *timer) | |
1047 | { | |
e0f712ba | 1048 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1049 | time_t unix_time = *timer; |
1050 | #else | |
1051 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1052 | #endif | |
7d0393cf | 1053 | |
1a578e9b AC |
1054 | return ctime (&unix_time); |
1055 | } | |
1056 | ||
1057 | ||
1058 | #undef time | |
1059 | extern time_t time (time_t *); | |
1060 | time_t | |
1061 | sys_time (time_t *timer) | |
1062 | { | |
e0f712ba | 1063 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1064 | time_t mac_time = time (NULL); |
1065 | #else | |
1066 | time_t mac_time = time (NULL) - CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1067 | #endif | |
1068 | ||
1069 | if (timer) | |
1070 | *timer = mac_time; | |
7d0393cf | 1071 | |
1a578e9b AC |
1072 | return mac_time; |
1073 | } | |
1074 | ||
1075 | ||
1076 | /* MPW strftime broken for "%p" format */ | |
1077 | #ifdef __MRC__ | |
1078 | #undef strftime | |
1079 | #include <time.h> | |
1080 | size_t | |
1081 | sys_strftime (char * s, size_t maxsize, const char * format, | |
1082 | const struct tm * timeptr) | |
1083 | { | |
1084 | if (strcmp (format, "%p") == 0) | |
1085 | { | |
1086 | if (maxsize < 3) | |
1087 | return 0; | |
1088 | if (timeptr->tm_hour < 12) | |
1089 | { | |
1090 | strcpy (s, "AM"); | |
1091 | return 2; | |
1092 | } | |
1093 | else | |
1094 | { | |
1095 | strcpy (s, "PM"); | |
1096 | return 2; | |
1097 | } | |
1098 | } | |
1099 | else | |
1100 | return strftime (s, maxsize, format, timeptr); | |
1101 | } | |
1102 | #endif /* __MRC__ */ | |
1103 | ||
1104 | ||
1105 | /* no subprocesses, empty wait */ | |
1106 | ||
1107 | int | |
1108 | wait (int pid) | |
1109 | { | |
1110 | return 0; | |
1111 | } | |
1112 | ||
1113 | ||
1114 | void | |
1115 | croak (char *badfunc) | |
1116 | { | |
1117 | printf ("%s not yet implemented\r\n", badfunc); | |
1118 | exit (1); | |
1119 | } | |
1120 | ||
1121 | ||
1122 | char * | |
1123 | index (const char * str, int chr) | |
1124 | { | |
1125 | return strchr (str, chr); | |
1126 | } | |
1127 | ||
1128 | ||
1129 | char * | |
1130 | mktemp (char *template) | |
1131 | { | |
1132 | int len, k; | |
1133 | static seqnum = 0; | |
7d0393cf | 1134 | |
1a578e9b AC |
1135 | len = strlen (template); |
1136 | k = len - 1; | |
1137 | while (k >= 0 && template[k] == 'X') | |
1138 | k--; | |
7d0393cf | 1139 | |
1a578e9b | 1140 | k++; /* make k index of first 'X' */ |
7d0393cf | 1141 | |
1a578e9b AC |
1142 | if (k < len) |
1143 | { | |
1144 | /* Zero filled, number of digits equal to the number of X's. */ | |
1145 | sprintf (&template[k], "%0*d", len-k, seqnum++); | |
7d0393cf | 1146 | |
1a578e9b AC |
1147 | return template; |
1148 | } | |
1149 | else | |
7d0393cf | 1150 | return 0; |
1a578e9b AC |
1151 | } |
1152 | ||
1153 | ||
1154 | /* Emulate getpwuid, getpwnam and others. */ | |
1155 | ||
1156 | #define PASSWD_FIELD_SIZE 256 | |
1157 | ||
1158 | static char my_passwd_name[PASSWD_FIELD_SIZE]; | |
1159 | static char my_passwd_dir[MAXPATHLEN+1]; | |
1160 | ||
7d0393cf | 1161 | static struct passwd my_passwd = |
1a578e9b AC |
1162 | { |
1163 | my_passwd_name, | |
1164 | my_passwd_dir, | |
1165 | }; | |
1166 | ||
1167 | ||
1168 | /* Initialized by main () in macterm.c to pathname of emacs directory. */ | |
1169 | ||
1170 | char emacs_passwd_dir[MAXPATHLEN+1]; | |
1171 | ||
1172 | char * | |
1173 | getwd (char *); | |
1174 | ||
1175 | void | |
1176 | init_emacs_passwd_dir () | |
1177 | { | |
1178 | int found = false; | |
1179 | ||
1180 | if (getwd (emacs_passwd_dir) && getwd (my_passwd_dir)) | |
1181 | { | |
1182 | /* Need pathname of first ancestor that begins with "emacs" | |
1183 | since Mac emacs application is somewhere in the emacs-* | |
1184 | tree. */ | |
1185 | int len = strlen (emacs_passwd_dir); | |
1186 | int j = len - 1; | |
1187 | /* j points to the "/" following the directory name being | |
1188 | compared. */ | |
1189 | int i = j - 1; | |
1190 | while (i >= 0 && !found) | |
1191 | { | |
1192 | while (i >= 0 && emacs_passwd_dir[i] != '/') | |
1193 | i--; | |
1194 | if (emacs_passwd_dir[i] == '/' && i+5 < len) | |
1195 | found = (strncmp (&(emacs_passwd_dir[i+1]), "emacs", 5) == 0); | |
1196 | if (found) | |
1197 | emacs_passwd_dir[j+1] = '\0'; | |
1198 | else | |
1199 | { | |
1200 | j = i; | |
1201 | i = j - 1; | |
1202 | } | |
1203 | } | |
1204 | } | |
7d0393cf | 1205 | |
1a578e9b AC |
1206 | if (!found) |
1207 | { | |
1208 | /* Setting to "/" probably won't work but set it to something | |
1209 | anyway. */ | |
1210 | strcpy (emacs_passwd_dir, "/"); | |
1211 | strcpy (my_passwd_dir, "/"); | |
1212 | } | |
1213 | } | |
1214 | ||
1215 | ||
7d0393cf | 1216 | static struct passwd emacs_passwd = |
1a578e9b AC |
1217 | { |
1218 | "emacs", | |
1219 | emacs_passwd_dir, | |
1220 | }; | |
1221 | ||
1222 | static int my_passwd_inited = 0; | |
1223 | ||
1224 | ||
1225 | static void | |
1226 | init_my_passwd () | |
1227 | { | |
1228 | char **owner_name; | |
1229 | ||
1230 | /* Note: my_passwd_dir initialized in int_emacs_passwd_dir to | |
1231 | directory where Emacs was started. */ | |
1232 | ||
1233 | owner_name = (char **) GetResource ('STR ',-16096); | |
1234 | if (owner_name) | |
1235 | { | |
1236 | HLock (owner_name); | |
1237 | BlockMove ((unsigned char *) *owner_name, | |
1238 | (unsigned char *) my_passwd_name, | |
1239 | *owner_name[0]+1); | |
1240 | HUnlock (owner_name); | |
1241 | p2cstr ((unsigned char *) my_passwd_name); | |
1242 | } | |
1243 | else | |
1244 | my_passwd_name[0] = 0; | |
1245 | } | |
1246 | ||
1247 | ||
1248 | struct passwd * | |
1249 | getpwuid (uid_t uid) | |
1250 | { | |
1251 | if (!my_passwd_inited) | |
7d0393cf | 1252 | { |
1a578e9b AC |
1253 | init_my_passwd (); |
1254 | my_passwd_inited = 1; | |
1255 | } | |
7d0393cf | 1256 | |
1a578e9b AC |
1257 | return &my_passwd; |
1258 | } | |
1259 | ||
1260 | ||
1261 | struct passwd * | |
1262 | getpwnam (const char *name) | |
1263 | { | |
1264 | if (strcmp (name, "emacs") == 0) | |
1265 | return &emacs_passwd; | |
1266 | ||
1267 | if (!my_passwd_inited) | |
7d0393cf | 1268 | { |
1a578e9b AC |
1269 | init_my_passwd (); |
1270 | my_passwd_inited = 1; | |
1271 | } | |
7d0393cf | 1272 | |
1a578e9b AC |
1273 | return &my_passwd; |
1274 | } | |
1275 | ||
1276 | ||
1277 | /* The functions fork, kill, sigsetmask, sigblock, request_sigio, | |
1278 | setpgrp, setpriority, and unrequest_sigio are defined to be empty | |
1279 | as in msdos.c. */ | |
1280 | ||
1281 | ||
1282 | int | |
1283 | fork () | |
1284 | { | |
1285 | return -1; | |
1286 | } | |
1287 | ||
1288 | ||
1289 | int | |
1290 | kill (int x, int y) | |
1291 | { | |
1292 | return -1; | |
1293 | } | |
1294 | ||
1295 | ||
1296 | void | |
1297 | sys_subshell () | |
1298 | { | |
1299 | error ("Can't spawn subshell"); | |
1300 | } | |
1301 | ||
1302 | ||
1303 | int | |
1304 | sigsetmask (int x) | |
1305 | { | |
1306 | return 0; | |
1307 | } | |
1308 | ||
1309 | ||
1310 | int | |
1311 | sigblock (int mask) | |
1312 | { | |
1313 | return 0; | |
7d0393cf | 1314 | } |
1a578e9b AC |
1315 | |
1316 | ||
1317 | void | |
1318 | request_sigio (void) | |
1319 | { | |
1320 | } | |
1321 | ||
1322 | ||
1323 | void | |
1324 | unrequest_sigio (void) | |
1325 | { | |
1326 | } | |
1327 | ||
1328 | ||
1329 | int | |
1330 | setpgrp () | |
1331 | { | |
1332 | return 0; | |
1333 | } | |
1334 | ||
1335 | ||
1336 | /* No pipes yet. */ | |
1337 | ||
1338 | int | |
1339 | pipe (int _fildes[2]) | |
1340 | { | |
1341 | errno = EACCES; | |
1342 | return -1; | |
1343 | } | |
1344 | ||
1345 | ||
1346 | /* Hard and symbolic links. */ | |
1347 | ||
1348 | int | |
1349 | symlink (const char *name1, const char *name2) | |
1350 | { | |
1351 | errno = ENOENT; | |
1352 | return -1; | |
1353 | } | |
1354 | ||
1355 | ||
1356 | int | |
1357 | link (const char *name1, const char *name2) | |
1358 | { | |
1359 | errno = ENOENT; | |
1360 | return -1; | |
1361 | } | |
1362 | ||
e0f712ba | 1363 | #endif /* ! MAC_OSX */ |
1a578e9b AC |
1364 | |
1365 | /* Determine the path name of the file specified by VREFNUM, DIRID, | |
1366 | and NAME and place that in the buffer PATH of length | |
1367 | MAXPATHLEN. */ | |
1368 | int | |
1369 | path_from_vol_dir_name (char *path, int man_path_len, short vol_ref_num, | |
1370 | long dir_id, ConstStr255Param name) | |
1371 | { | |
1372 | Str255 dir_name; | |
1373 | CInfoPBRec cipb; | |
1374 | OSErr err; | |
1375 | ||
1376 | if (strlen (name) > man_path_len) | |
1377 | return 0; | |
1378 | ||
1379 | memcpy (dir_name, name, name[0]+1); | |
1380 | memcpy (path, name, name[0]+1); | |
1381 | p2cstr (path); | |
1382 | ||
1383 | cipb.dirInfo.ioDrParID = dir_id; | |
1384 | cipb.dirInfo.ioNamePtr = dir_name; | |
1385 | ||
1386 | do | |
1387 | { | |
1388 | cipb.dirInfo.ioVRefNum = vol_ref_num; | |
1389 | cipb.dirInfo.ioFDirIndex = -1; | |
1390 | cipb.dirInfo.ioDrDirID = cipb.dirInfo.ioDrParID; | |
1391 | /* go up to parent each time */ | |
1392 | ||
1393 | err = PBGetCatInfo (&cipb, false); | |
1394 | if (err != noErr) | |
1395 | return 0; | |
7d0393cf | 1396 | |
1a578e9b AC |
1397 | p2cstr (dir_name); |
1398 | if (strlen (dir_name) + strlen (path) + 1 >= man_path_len) | |
1399 | return 0; | |
1400 | ||
1401 | strcat (dir_name, ":"); | |
1402 | strcat (dir_name, path); | |
1403 | /* attach to front since we're going up directory tree */ | |
1404 | strcpy (path, dir_name); | |
1405 | } | |
1406 | while (cipb.dirInfo.ioDrDirID != fsRtDirID); | |
1407 | /* stop when we see the volume's root directory */ | |
7d0393cf | 1408 | |
1a578e9b AC |
1409 | return 1; /* success */ |
1410 | } | |
1411 | ||
e0f712ba | 1412 | #ifndef MAC_OSX |
1a578e9b AC |
1413 | |
1414 | int | |
1415 | readlink (const char *path, char *buf, int bufsiz) | |
1416 | { | |
1417 | char mac_sym_link_name[MAXPATHLEN+1]; | |
1418 | OSErr err; | |
1419 | FSSpec fsspec; | |
1420 | Boolean target_is_folder, was_aliased; | |
1421 | Str255 directory_name, mac_pathname; | |
1422 | CInfoPBRec cipb; | |
1423 | ||
60fe1161 | 1424 | if (posix_to_mac_pathname (path, mac_sym_link_name, MAXPATHLEN+1) == 0) |
1a578e9b AC |
1425 | return -1; |
1426 | ||
1427 | c2pstr (mac_sym_link_name); | |
1428 | err = FSMakeFSSpec (0, 0, mac_sym_link_name, &fsspec); | |
1429 | if (err != noErr) | |
1430 | { | |
1431 | errno = ENOENT; | |
1432 | return -1; | |
1433 | } | |
1434 | ||
1435 | err = ResolveAliasFile (&fsspec, true, &target_is_folder, &was_aliased); | |
1436 | if (err != noErr || !was_aliased) | |
1437 | { | |
1438 | errno = ENOENT; | |
1439 | return -1; | |
1440 | } | |
1441 | ||
1442 | if (path_from_vol_dir_name (mac_pathname, 255, fsspec.vRefNum, fsspec.parID, | |
1443 | fsspec.name) == 0) | |
1444 | { | |
1445 | errno = ENOENT; | |
1446 | return -1; | |
1447 | } | |
1448 | ||
60fe1161 | 1449 | if (mac_to_posix_pathname (mac_pathname, buf, bufsiz) == 0) |
1a578e9b AC |
1450 | { |
1451 | errno = ENOENT; | |
1452 | return -1; | |
1453 | } | |
1454 | ||
1455 | return strlen (buf); | |
1456 | } | |
1457 | ||
1458 | ||
1459 | /* Convert a path to one with aliases fully expanded. */ | |
1460 | ||
1461 | static int | |
1462 | find_true_pathname (const char *path, char *buf, int bufsiz) | |
1463 | { | |
1464 | char *q, temp[MAXPATHLEN+1]; | |
1465 | const char *p; | |
1466 | int len; | |
1467 | ||
1468 | if (bufsiz <= 0 || path == 0 || path[0] == '\0') | |
1469 | return -1; | |
1470 | ||
1471 | buf[0] = '\0'; | |
7d0393cf | 1472 | |
1a578e9b AC |
1473 | p = path; |
1474 | if (*p == '/') | |
1475 | q = strchr (p + 1, '/'); | |
1476 | else | |
1477 | q = strchr (p, '/'); | |
1478 | len = 0; /* loop may not be entered, e.g., for "/" */ | |
1479 | ||
1480 | while (q) | |
1481 | { | |
1482 | strcpy (temp, buf); | |
1483 | strncat (temp, p, q - p); | |
1484 | len = readlink (temp, buf, bufsiz); | |
1485 | if (len <= -1) | |
1486 | { | |
1487 | if (strlen (temp) + 1 > bufsiz) | |
1488 | return -1; | |
1489 | strcpy (buf, temp); | |
1490 | } | |
1491 | strcat (buf, "/"); | |
1492 | len++; | |
1493 | p = q + 1; | |
1494 | q = strchr(p, '/'); | |
1495 | } | |
7d0393cf | 1496 | |
1a578e9b AC |
1497 | if (len + strlen (p) + 1 >= bufsiz) |
1498 | return -1; | |
7d0393cf | 1499 | |
1a578e9b AC |
1500 | strcat (buf, p); |
1501 | return len + strlen (p); | |
1502 | } | |
1503 | ||
1504 | ||
1505 | mode_t | |
1506 | umask (mode_t numask) | |
1507 | { | |
1508 | static mode_t mask = 022; | |
1509 | mode_t oldmask = mask; | |
1510 | mask = numask; | |
1511 | return oldmask; | |
1512 | } | |
1513 | ||
1514 | ||
1515 | int | |
1516 | chmod (const char *path, mode_t mode) | |
1517 | { | |
1518 | /* say it always succeed for now */ | |
1519 | return 0; | |
1520 | } | |
1521 | ||
1522 | ||
1523 | int | |
1524 | dup (int oldd) | |
1525 | { | |
1526 | #ifdef __MRC__ | |
1527 | return fcntl (oldd, F_DUPFD, 0); | |
1528 | #elif __MWERKS__ | |
1529 | /* current implementation of fcntl in fcntl.mac.c simply returns old | |
1530 | descriptor */ | |
1531 | return fcntl (oldd, F_DUPFD); | |
1532 | #else | |
1533 | You lose!!! | |
1534 | #endif | |
1535 | } | |
1536 | ||
1537 | ||
1538 | /* This is from the original sysdep.c. Emulate BSD dup2. First close | |
1539 | newd if it already exists. Then, attempt to dup oldd. If not | |
1540 | successful, call dup2 recursively until we are, then close the | |
1541 | unsuccessful ones. */ | |
1542 | ||
1543 | int | |
1544 | dup2 (int oldd, int newd) | |
1545 | { | |
1546 | int fd, ret; | |
7d0393cf | 1547 | |
1a578e9b AC |
1548 | close (newd); |
1549 | ||
1550 | fd = dup (oldd); | |
1551 | if (fd == -1) | |
1552 | return -1; | |
1553 | if (fd == newd) | |
1554 | return newd; | |
1555 | ret = dup2 (oldd, newd); | |
1556 | close (fd); | |
1557 | return ret; | |
1558 | } | |
1559 | ||
1560 | ||
1561 | /* let it fail for now */ | |
1562 | ||
1563 | char * | |
1564 | sbrk (int incr) | |
1565 | { | |
1566 | return (char *) -1; | |
1567 | } | |
1568 | ||
1569 | ||
1570 | int | |
1571 | fsync (int fd) | |
1572 | { | |
1573 | return 0; | |
1574 | } | |
1575 | ||
1576 | ||
1577 | int | |
1578 | ioctl (int d, int request, void *argp) | |
1579 | { | |
1580 | return -1; | |
1581 | } | |
1582 | ||
1583 | ||
1584 | #ifdef __MRC__ | |
1585 | int | |
1586 | isatty (int fildes) | |
1587 | { | |
1588 | if (fildes >=0 && fildes <= 2) | |
1589 | return 1; | |
1590 | else | |
1591 | return 0; | |
1592 | } | |
1593 | ||
1594 | ||
1595 | int | |
1596 | getgid () | |
1597 | { | |
1598 | return 100; | |
1599 | } | |
1600 | ||
1601 | ||
1602 | int | |
1603 | getegid () | |
1604 | { | |
1605 | return 100; | |
1606 | } | |
1607 | ||
1608 | ||
1609 | int | |
1610 | getuid () | |
1611 | { | |
1612 | return 200; | |
1613 | } | |
1614 | ||
1615 | ||
1616 | int | |
1617 | geteuid () | |
1618 | { | |
1619 | return 200; | |
1620 | } | |
1621 | #endif /* __MRC__ */ | |
1622 | ||
1623 | ||
1624 | #ifdef __MWERKS__ | |
e0f712ba | 1625 | #if __MSL__ < 0x6000 |
1a578e9b AC |
1626 | #undef getpid |
1627 | int | |
1628 | getpid () | |
1629 | { | |
1630 | return 9999; | |
1631 | } | |
1632 | #endif | |
1633 | #endif /* __MWERKS__ */ | |
1634 | ||
e0f712ba AC |
1635 | #endif /* ! MAC_OSX */ |
1636 | ||
1a578e9b AC |
1637 | |
1638 | /* Return the path to the directory in which Emacs can create | |
1639 | temporary files. The MacOS "temporary items" directory cannot be | |
1640 | used because it removes the file written by a process when it | |
1641 | exits. In that sense it's more like "/dev/null" than "/tmp" (but | |
1642 | again not exactly). And of course Emacs needs to read back the | |
1643 | files written by its subprocesses. So here we write the files to a | |
1644 | directory "Emacs" in the Preferences Folder. This directory is | |
1645 | created if it does not exist. */ | |
1646 | ||
e0f712ba | 1647 | char * |
1a578e9b AC |
1648 | get_temp_dir_name () |
1649 | { | |
1650 | static char *temp_dir_name = NULL; | |
1651 | short vol_ref_num; | |
1652 | long dir_id; | |
1653 | OSErr err; | |
1654 | Str255 dir_name, full_path; | |
1655 | CInfoPBRec cpb; | |
1656 | char unix_dir_name[MAXPATHLEN+1]; | |
1657 | DIR *dir; | |
7d0393cf | 1658 | |
1a578e9b AC |
1659 | /* Cache directory name with pointer temp_dir_name. |
1660 | Look for it only the first time. */ | |
1661 | if (!temp_dir_name) | |
1662 | { | |
1663 | err = FindFolder (kOnSystemDisk, kPreferencesFolderType, kCreateFolder, | |
1664 | &vol_ref_num, &dir_id); | |
1665 | if (err != noErr) | |
1666 | return NULL; | |
7d0393cf | 1667 | |
1a578e9b AC |
1668 | if (!path_from_vol_dir_name (full_path, 255, vol_ref_num, dir_id, "\p")) |
1669 | return NULL; | |
1670 | ||
1671 | if (strlen (full_path) + 6 <= MAXPATHLEN) | |
1672 | strcat (full_path, "Emacs:"); | |
7d0393cf | 1673 | else |
1a578e9b AC |
1674 | return NULL; |
1675 | ||
60fe1161 | 1676 | if (!mac_to_posix_pathname (full_path, unix_dir_name, MAXPATHLEN+1)) |
1a578e9b | 1677 | return NULL; |
7d0393cf | 1678 | |
1a578e9b AC |
1679 | dir = opendir (unix_dir_name); /* check whether temp directory exists */ |
1680 | if (dir) | |
1681 | closedir (dir); | |
1682 | else if (mkdir (unix_dir_name, 0700) != 0) /* create it if not */ | |
1683 | return NULL; | |
1684 | ||
1685 | temp_dir_name = (char *) malloc (strlen (unix_dir_name) + 1); | |
1686 | strcpy (temp_dir_name, unix_dir_name); | |
1687 | } | |
1688 | ||
1689 | return temp_dir_name; | |
1690 | } | |
1691 | ||
e0f712ba | 1692 | #ifndef MAC_OSX |
1a578e9b AC |
1693 | |
1694 | /* Allocate and construct an array of pointers to strings from a list | |
1695 | of strings stored in a 'STR#' resource. The returned pointer array | |
1696 | is stored in the style of argv and environ: if the 'STR#' resource | |
7d0393cf | 1697 | contains numString strings, a pointer array with numString+1 |
1a578e9b AC |
1698 | elements is returned in which the last entry contains a null |
1699 | pointer. The pointer to the pointer array is passed by pointer in | |
1700 | parameter t. The resource ID of the 'STR#' resource is passed in | |
1701 | parameter StringListID. | |
1702 | */ | |
1703 | ||
1704 | void | |
1705 | get_string_list (char ***t, short string_list_id) | |
1706 | { | |
1707 | Handle h; | |
1708 | Ptr p; | |
1709 | int i, num_strings; | |
1710 | ||
1711 | h = GetResource ('STR#', string_list_id); | |
1712 | if (h) | |
1713 | { | |
1714 | HLock (h); | |
1715 | p = *h; | |
1716 | num_strings = * (short *) p; | |
1717 | p += sizeof(short); | |
1718 | *t = (char **) malloc (sizeof (char *) * (num_strings + 1)); | |
1719 | for (i = 0; i < num_strings; i++) | |
1720 | { | |
1721 | short length = *p++; | |
1722 | (*t)[i] = (char *) malloc (length + 1); | |
1723 | strncpy ((*t)[i], p, length); | |
1724 | (*t)[i][length] = '\0'; | |
1725 | p += length; | |
1726 | } | |
1727 | (*t)[num_strings] = 0; | |
1728 | HUnlock (h); | |
1729 | } | |
1730 | else | |
1731 | { | |
1732 | /* Return no string in case GetResource fails. Bug fixed by | |
1733 | Ikegami Tsutomu. Caused MPW build to crash without sym -on | |
1734 | option (no sym -on implies -opt local). */ | |
1735 | *t = (char **) malloc (sizeof (char *)); | |
1736 | (*t)[0] = 0; | |
1737 | } | |
1738 | } | |
1739 | ||
1740 | ||
1741 | static char * | |
1742 | get_path_to_system_folder () | |
1743 | { | |
1744 | short vol_ref_num; | |
1745 | long dir_id; | |
1746 | OSErr err; | |
1747 | Str255 dir_name, full_path; | |
1748 | CInfoPBRec cpb; | |
1749 | static char system_folder_unix_name[MAXPATHLEN+1]; | |
1750 | DIR *dir; | |
7d0393cf | 1751 | |
1a578e9b AC |
1752 | err = FindFolder (kOnSystemDisk, kSystemFolderType, kDontCreateFolder, |
1753 | &vol_ref_num, &dir_id); | |
1754 | if (err != noErr) | |
1755 | return NULL; | |
7d0393cf | 1756 | |
1a578e9b AC |
1757 | if (!path_from_vol_dir_name (full_path, 255, vol_ref_num, dir_id, "\p")) |
1758 | return NULL; | |
1759 | ||
e0f712ba AC |
1760 | if (!mac_to_posix_pathname (full_path, system_folder_unix_name, |
1761 | MAXPATHLEN+1)) | |
1a578e9b | 1762 | return NULL; |
7d0393cf | 1763 | |
1a578e9b AC |
1764 | return system_folder_unix_name; |
1765 | } | |
1766 | ||
1767 | ||
1768 | char **environ; | |
1769 | ||
1770 | #define ENVIRON_STRING_LIST_ID 128 | |
1771 | ||
1772 | /* Get environment variable definitions from STR# resource. */ | |
1773 | ||
1774 | void | |
1775 | init_environ () | |
1776 | { | |
1777 | int i; | |
7d0393cf | 1778 | |
1a578e9b AC |
1779 | get_string_list (&environ, ENVIRON_STRING_LIST_ID); |
1780 | ||
1781 | i = 0; | |
1782 | while (environ[i]) | |
1783 | i++; | |
1784 | ||
1785 | /* Make HOME directory the one Emacs starts up in if not specified | |
1786 | by resource. */ | |
1787 | if (getenv ("HOME") == NULL) | |
1788 | { | |
1789 | environ = (char **) realloc (environ, sizeof (char *) * (i + 2)); | |
1790 | if (environ) | |
1791 | { | |
1792 | environ[i] = (char *) malloc (strlen (my_passwd_dir) + 6); | |
1793 | if (environ[i]) | |
1794 | { | |
1795 | strcpy (environ[i], "HOME="); | |
1796 | strcat (environ[i], my_passwd_dir); | |
1797 | } | |
1798 | environ[i+1] = 0; | |
1799 | i++; | |
1800 | } | |
1801 | } | |
1802 | ||
1803 | /* Make HOME directory the one Emacs starts up in if not specified | |
1804 | by resource. */ | |
1805 | if (getenv ("MAIL") == NULL) | |
1806 | { | |
1807 | environ = (char **) realloc (environ, sizeof (char *) * (i + 2)); | |
1808 | if (environ) | |
1809 | { | |
1810 | char * path_to_system_folder = get_path_to_system_folder (); | |
1811 | environ[i] = (char *) malloc (strlen (path_to_system_folder) + 22); | |
1812 | if (environ[i]) | |
1813 | { | |
1814 | strcpy (environ[i], "MAIL="); | |
1815 | strcat (environ[i], path_to_system_folder); | |
1816 | strcat (environ[i], "Eudora Folder/In"); | |
1817 | } | |
1818 | environ[i+1] = 0; | |
1819 | } | |
1820 | } | |
1821 | } | |
1822 | ||
1823 | ||
1824 | /* Return the value of the environment variable NAME. */ | |
1825 | ||
1826 | char * | |
1827 | getenv (const char *name) | |
1828 | { | |
1829 | int length = strlen(name); | |
1830 | char **e; | |
1831 | ||
1832 | for (e = environ; *e != 0; e++) | |
1833 | if (strncmp(*e, name, length) == 0 && (*e)[length] == '=') | |
1834 | return &(*e)[length + 1]; | |
1835 | ||
1836 | if (strcmp (name, "TMPDIR") == 0) | |
1837 | return get_temp_dir_name (); | |
1838 | ||
1839 | return 0; | |
1840 | } | |
1841 | ||
1842 | ||
1843 | #ifdef __MRC__ | |
1844 | /* see Interfaces&Libraries:Interfaces:CIncludes:signal.h */ | |
1845 | char *sys_siglist[] = | |
1846 | { | |
1847 | "Zero is not a signal!!!", | |
1848 | "Abort", /* 1 */ | |
1849 | "Interactive user interrupt", /* 2 */ "?", | |
1850 | "Floating point exception", /* 4 */ "?", "?", "?", | |
1851 | "Illegal instruction", /* 8 */ "?", "?", "?", "?", "?", "?", "?", | |
1852 | "Segment violation", /* 16 */ "?", "?", "?", "?", "?", "?", "?", | |
1853 | "?", "?", "?", "?", "?", "?", "?", "?", | |
1854 | "Terminal" /* 32 */ | |
1855 | }; | |
1856 | #elif __MWERKS__ | |
1857 | char *sys_siglist[] = | |
1858 | { | |
1859 | "Zero is not a signal!!!", | |
1860 | "Abort", | |
1861 | "Floating point exception", | |
1862 | "Illegal instruction", | |
1863 | "Interactive user interrupt", | |
1864 | "Segment violation", | |
1865 | "Terminal" | |
1866 | }; | |
e0f712ba | 1867 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 1868 | You lose!!! |
e0f712ba | 1869 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
1870 | |
1871 | ||
1872 | #include <utsname.h> | |
1873 | ||
1874 | int | |
1875 | uname (struct utsname *name) | |
1876 | { | |
1877 | char **system_name; | |
1878 | system_name = GetString (-16413); /* IM - Resource Manager Reference */ | |
1879 | if (system_name) | |
1880 | { | |
1881 | BlockMove (*system_name, name->nodename, (*system_name)[0]+1); | |
1882 | p2cstr (name->nodename); | |
1883 | return 0; | |
1884 | } | |
1885 | else | |
1886 | return -1; | |
1887 | } | |
1888 | ||
1889 | ||
1890 | #include <Processes.h> | |
1891 | #include <EPPC.h> | |
1892 | ||
1893 | /* Event class of HLE sent to subprocess. */ | |
1894 | const OSType kEmacsSubprocessSend = 'ESND'; | |
1895 | ||
1896 | /* Event class of HLE sent back from subprocess. */ | |
1897 | const OSType kEmacsSubprocessReply = 'ERPY'; | |
1898 | ||
1899 | ||
1900 | char * | |
1901 | mystrchr (char *s, char c) | |
1902 | { | |
1903 | while (*s && *s != c) | |
1904 | { | |
1905 | if (*s == '\\') | |
1906 | s++; | |
1907 | s++; | |
1908 | } | |
1909 | ||
1910 | if (*s) | |
1911 | { | |
1912 | *s = '\0'; | |
1913 | return s; | |
1914 | } | |
1915 | else | |
1916 | return NULL; | |
1917 | } | |
1918 | ||
1919 | ||
1920 | char * | |
1921 | mystrtok (char *s) | |
7d0393cf | 1922 | { |
1a578e9b AC |
1923 | while (*s) |
1924 | s++; | |
1925 | ||
1926 | return s + 1; | |
1927 | } | |
1928 | ||
1929 | ||
1930 | void | |
1931 | mystrcpy (char *to, char *from) | |
1932 | { | |
1933 | while (*from) | |
1934 | { | |
1935 | if (*from == '\\') | |
1936 | from++; | |
1937 | *to++ = *from++; | |
1938 | } | |
1939 | *to = '\0'; | |
1940 | } | |
1941 | ||
1942 | ||
1943 | /* Start a Mac subprocess. Arguments for it is passed in argv (null | |
1944 | terminated). The process should run with the default directory | |
1945 | "workdir", read input from "infn", and write output and error to | |
1946 | "outfn" and "errfn", resp. The Process Manager call | |
1947 | LaunchApplication is used to start the subprocess. We use high | |
1948 | level events as the mechanism to pass arguments to the subprocess | |
1949 | and to make Emacs wait for the subprocess to terminate and pass | |
1950 | back a result code. The bulk of the code here packs the arguments | |
1951 | into one message to be passed together with the high level event. | |
1952 | Emacs also sometimes starts a subprocess using a shell to perform | |
1953 | wildcard filename expansion. Since we don't really have a shell on | |
1954 | the Mac, this case is detected and the starting of the shell is | |
1955 | by-passed. We really need to add code here to do filename | |
1956 | expansion to support such functionality. */ | |
1957 | ||
1958 | int | |
1959 | run_mac_command (argv, workdir, infn, outfn, errfn) | |
1960 | unsigned char **argv; | |
1961 | const char *workdir; | |
1962 | const char *infn, *outfn, *errfn; | |
1963 | { | |
e0f712ba AC |
1964 | #ifdef TARGET_API_MAC_CARBON |
1965 | return -1; | |
1966 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
1967 | char macappname[MAXPATHLEN+1], macworkdir[MAXPATHLEN+1]; |
1968 | char macinfn[MAXPATHLEN+1], macoutfn[MAXPATHLEN+1], macerrfn[MAXPATHLEN+1]; | |
1969 | int paramlen, argc, newargc, j, retries; | |
1970 | char **newargv, *param, *p; | |
1971 | OSErr iErr; | |
1972 | FSSpec spec; | |
1973 | LaunchParamBlockRec lpbr; | |
1974 | EventRecord send_event, reply_event; | |
1975 | RgnHandle cursor_region_handle; | |
1976 | TargetID targ; | |
1977 | unsigned long ref_con, len; | |
7d0393cf | 1978 | |
60fe1161 | 1979 | if (posix_to_mac_pathname (workdir, macworkdir, MAXPATHLEN+1) == 0) |
1a578e9b | 1980 | return -1; |
60fe1161 | 1981 | if (posix_to_mac_pathname (infn, macinfn, MAXPATHLEN+1) == 0) |
1a578e9b | 1982 | return -1; |
60fe1161 | 1983 | if (posix_to_mac_pathname (outfn, macoutfn, MAXPATHLEN+1) == 0) |
1a578e9b | 1984 | return -1; |
60fe1161 | 1985 | if (posix_to_mac_pathname (errfn, macerrfn, MAXPATHLEN+1) == 0) |
1a578e9b | 1986 | return -1; |
7d0393cf | 1987 | |
1a578e9b AC |
1988 | paramlen = strlen (macworkdir) + strlen (macinfn) + strlen (macoutfn) |
1989 | + strlen (macerrfn) + 4; /* count nulls at end of strings */ | |
1990 | ||
1991 | argc = 0; | |
1992 | while (argv[argc]) | |
1993 | argc++; | |
1994 | ||
1995 | if (argc == 0) | |
1996 | return -1; | |
1997 | ||
1998 | /* If a subprocess is invoked with a shell, we receive 3 arguments | |
1999 | of the form: "<path to emacs bins>/sh" "-c" "<path to emacs | |
2000 | bins>/<command> <command args>" */ | |
2001 | j = strlen (argv[0]); | |
2002 | if (j >= 3 && strcmp (argv[0]+j-3, "/sh") == 0 | |
2003 | && argc == 3 && strcmp (argv[1], "-c") == 0) | |
2004 | { | |
2005 | char *command, *t, tempmacpathname[MAXPATHLEN+1]; | |
7d0393cf | 2006 | |
1a578e9b AC |
2007 | /* The arguments for the command in argv[2] are separated by |
2008 | spaces. Count them and put the count in newargc. */ | |
2009 | command = (char *) alloca (strlen (argv[2])+2); | |
2010 | strcpy (command, argv[2]); | |
2011 | if (command[strlen (command) - 1] != ' ') | |
2012 | strcat (command, " "); | |
7d0393cf | 2013 | |
1a578e9b AC |
2014 | t = command; |
2015 | newargc = 0; | |
2016 | t = mystrchr (t, ' '); | |
2017 | while (t) | |
2018 | { | |
2019 | newargc++; | |
2020 | t = mystrchr (t+1, ' '); | |
2021 | } | |
7d0393cf | 2022 | |
1a578e9b | 2023 | newargv = (char **) alloca (sizeof (char *) * newargc); |
7d0393cf | 2024 | |
1a578e9b AC |
2025 | t = command; |
2026 | for (j = 0; j < newargc; j++) | |
2027 | { | |
2028 | newargv[j] = (char *) alloca (strlen (t) + 1); | |
2029 | mystrcpy (newargv[j], t); | |
2030 | ||
2031 | t = mystrtok (t); | |
2032 | paramlen += strlen (newargv[j]) + 1; | |
2033 | } | |
7d0393cf | 2034 | |
1a578e9b AC |
2035 | if (strncmp (newargv[0], "~emacs/", 7) == 0) |
2036 | { | |
60fe1161 | 2037 | if (posix_to_mac_pathname (newargv[0], tempmacpathname, MAXPATHLEN+1) |
1a578e9b AC |
2038 | == 0) |
2039 | return -1; | |
2040 | } | |
2041 | else | |
2042 | { /* sometimes Emacs call "sh" without a path for the command */ | |
2043 | #if 0 | |
2044 | char *t = (char *) alloca (strlen (newargv[0]) + 7 + 1); | |
2045 | strcpy (t, "~emacs/"); | |
2046 | strcat (t, newargv[0]); | |
e0f712ba | 2047 | #endif /* 0 */ |
1a578e9b | 2048 | Lisp_Object path; |
e0f712ba | 2049 | openp (Vexec_path, build_string (newargv[0]), EXEC_SUFFIXES, &path, |
141f653a | 2050 | make_number (X_OK)); |
1a578e9b AC |
2051 | |
2052 | if (NILP (path)) | |
2053 | return -1; | |
d5db4077 | 2054 | if (posix_to_mac_pathname (SDATA (path), tempmacpathname, |
1a578e9b AC |
2055 | MAXPATHLEN+1) == 0) |
2056 | return -1; | |
2057 | } | |
2058 | strcpy (macappname, tempmacpathname); | |
2059 | } | |
2060 | else | |
7d0393cf | 2061 | { |
60fe1161 | 2062 | if (posix_to_mac_pathname (argv[0], macappname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
2063 | return -1; |
2064 | ||
2065 | newargv = (char **) alloca (sizeof (char *) * argc); | |
7d0393cf | 2066 | newargc = argc; |
1a578e9b AC |
2067 | for (j = 1; j < argc; j++) |
2068 | { | |
2069 | if (strncmp (argv[j], "~emacs/", 7) == 0) | |
2070 | { | |
2071 | char *t = strchr (argv[j], ' '); | |
2072 | if (t) | |
2073 | { | |
2074 | char tempcmdname[MAXPATHLEN+1], tempmaccmdname[MAXPATHLEN+1]; | |
2075 | strncpy (tempcmdname, argv[j], t-argv[j]); | |
2076 | tempcmdname[t-argv[j]] = '\0'; | |
60fe1161 | 2077 | if (posix_to_mac_pathname (tempcmdname, tempmaccmdname, |
1a578e9b AC |
2078 | MAXPATHLEN+1) == 0) |
2079 | return -1; | |
2080 | newargv[j] = (char *) alloca (strlen (tempmaccmdname) | |
2081 | + strlen (t) + 1); | |
2082 | strcpy (newargv[j], tempmaccmdname); | |
2083 | strcat (newargv[j], t); | |
2084 | } | |
2085 | else | |
2086 | { | |
2087 | char tempmaccmdname[MAXPATHLEN+1]; | |
60fe1161 | 2088 | if (posix_to_mac_pathname (argv[j], tempmaccmdname, |
1a578e9b AC |
2089 | MAXPATHLEN+1) == 0) |
2090 | return -1; | |
2091 | newargv[j] = (char *) alloca (strlen (tempmaccmdname)+1); | |
2092 | strcpy (newargv[j], tempmaccmdname); | |
2093 | } | |
2094 | } | |
2095 | else | |
7d0393cf | 2096 | newargv[j] = argv[j]; |
1a578e9b AC |
2097 | paramlen += strlen (newargv[j]) + 1; |
2098 | } | |
2099 | } | |
2100 | ||
2101 | /* After expanding all the arguments, we now know the length of the | |
2102 | parameter block to be sent to the subprocess as a message | |
2103 | attached to the HLE. */ | |
2104 | param = (char *) malloc (paramlen + 1); | |
2105 | if (!param) | |
2106 | return -1; | |
2107 | ||
2108 | p = param; | |
2109 | *p++ = newargc; | |
2110 | /* first byte of message contains number of arguments for command */ | |
2111 | strcpy (p, macworkdir); | |
2112 | p += strlen (macworkdir); | |
2113 | *p++ = '\0'; | |
2114 | /* null terminate strings sent so it's possible to use strcpy over there */ | |
2115 | strcpy (p, macinfn); | |
2116 | p += strlen (macinfn); | |
7d0393cf | 2117 | *p++ = '\0'; |
1a578e9b AC |
2118 | strcpy (p, macoutfn); |
2119 | p += strlen (macoutfn); | |
7d0393cf | 2120 | *p++ = '\0'; |
1a578e9b AC |
2121 | strcpy (p, macerrfn); |
2122 | p += strlen (macerrfn); | |
7d0393cf | 2123 | *p++ = '\0'; |
1a578e9b AC |
2124 | for (j = 1; j < newargc; j++) |
2125 | { | |
2126 | strcpy (p, newargv[j]); | |
2127 | p += strlen (newargv[j]); | |
7d0393cf | 2128 | *p++ = '\0'; |
1a578e9b | 2129 | } |
7d0393cf | 2130 | |
1a578e9b | 2131 | c2pstr (macappname); |
7d0393cf | 2132 | |
1a578e9b | 2133 | iErr = FSMakeFSSpec (0, 0, macappname, &spec); |
7d0393cf | 2134 | |
1a578e9b AC |
2135 | if (iErr != noErr) |
2136 | { | |
2137 | free (param); | |
2138 | return -1; | |
2139 | } | |
2140 | ||
2141 | lpbr.launchBlockID = extendedBlock; | |
2142 | lpbr.launchEPBLength = extendedBlockLen; | |
2143 | lpbr.launchControlFlags = launchContinue + launchNoFileFlags; | |
2144 | lpbr.launchAppSpec = &spec; | |
2145 | lpbr.launchAppParameters = NULL; | |
2146 | ||
2147 | iErr = LaunchApplication (&lpbr); /* call the subprocess */ | |
2148 | if (iErr != noErr) | |
2149 | { | |
2150 | free (param); | |
2151 | return -1; | |
2152 | } | |
2153 | ||
2154 | send_event.what = kHighLevelEvent; | |
2155 | send_event.message = kEmacsSubprocessSend; | |
2156 | /* Event ID stored in "where" unused */ | |
2157 | ||
2158 | retries = 3; | |
2159 | /* OS may think current subprocess has terminated if previous one | |
2160 | terminated recently. */ | |
2161 | do | |
2162 | { | |
2163 | iErr = PostHighLevelEvent (&send_event, &lpbr.launchProcessSN, 0, param, | |
2164 | paramlen + 1, receiverIDisPSN); | |
2165 | } | |
2166 | while (iErr == sessClosedErr && retries-- > 0); | |
2167 | ||
2168 | if (iErr != noErr) | |
2169 | { | |
2170 | free (param); | |
2171 | return -1; | |
2172 | } | |
2173 | ||
2174 | cursor_region_handle = NewRgn (); | |
7d0393cf | 2175 | |
1a578e9b AC |
2176 | /* Wait for the subprocess to finish, when it will send us a ERPY |
2177 | high level event. */ | |
2178 | while (1) | |
2179 | if (WaitNextEvent (highLevelEventMask, &reply_event, 180, | |
2180 | cursor_region_handle) | |
2181 | && reply_event.message == kEmacsSubprocessReply) | |
2182 | break; | |
7d0393cf | 2183 | |
1a578e9b AC |
2184 | /* The return code is sent through the refCon */ |
2185 | iErr = AcceptHighLevelEvent (&targ, &ref_con, NULL, &len); | |
2186 | if (iErr != noErr) | |
2187 | { | |
2188 | DisposeHandle ((Handle) cursor_region_handle); | |
2189 | free (param); | |
2190 | return -1; | |
2191 | } | |
7d0393cf | 2192 | |
1a578e9b AC |
2193 | DisposeHandle ((Handle) cursor_region_handle); |
2194 | free (param); | |
2195 | ||
2196 | return ref_con; | |
e0f712ba | 2197 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2198 | } |
2199 | ||
2200 | ||
2201 | DIR * | |
2202 | opendir (const char *dirname) | |
2203 | { | |
7d0393cf | 2204 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
2205 | char mac_pathname[MAXPATHLEN+1], vol_name[MAXPATHLEN+1]; |
2206 | DIR *dirp; | |
2207 | CInfoPBRec cipb; | |
2208 | HVolumeParam vpb; | |
2209 | int len, vol_name_len; | |
7d0393cf | 2210 | |
1a578e9b AC |
2211 | if (find_true_pathname (dirname, true_pathname, MAXPATHLEN+1) == -1) |
2212 | return 0; | |
7d0393cf | 2213 | |
1a578e9b AC |
2214 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
2215 | if (len > -1) | |
2216 | fully_resolved_name[len] = '\0'; | |
2217 | else | |
2218 | strcpy (fully_resolved_name, true_pathname); | |
2219 | ||
2220 | dirp = (DIR *) malloc (sizeof(DIR)); | |
2221 | if (!dirp) | |
2222 | return 0; | |
2223 | ||
2224 | /* Handle special case when dirname is "/": sets up for readir to | |
2225 | get all mount volumes. */ | |
2226 | if (strcmp (fully_resolved_name, "/") == 0) | |
2227 | { | |
2228 | dirp->getting_volumes = 1; /* special all mounted volumes DIR struct */ | |
2229 | dirp->current_index = 1; /* index for first volume */ | |
2230 | return dirp; | |
2231 | } | |
2232 | ||
2233 | /* Handle typical cases: not accessing all mounted volumes. */ | |
60fe1161 | 2234 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
2235 | return 0; |
2236 | ||
2237 | /* Emacs calls opendir without the trailing '/', Mac needs trailing ':' */ | |
2238 | len = strlen (mac_pathname); | |
2239 | if (mac_pathname[len - 1] != ':' && len < MAXPATHLEN) | |
2240 | strcat (mac_pathname, ":"); | |
7d0393cf | 2241 | |
1a578e9b AC |
2242 | /* Extract volume name */ |
2243 | vol_name_len = strchr (mac_pathname, ':') - mac_pathname; | |
2244 | strncpy (vol_name, mac_pathname, vol_name_len); | |
2245 | vol_name[vol_name_len] = '\0'; | |
2246 | strcat (vol_name, ":"); | |
2247 | ||
2248 | c2pstr (mac_pathname); | |
2249 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
2250 | /* using full pathname so vRefNum and DirID ignored */ | |
2251 | cipb.hFileInfo.ioVRefNum = 0; | |
2252 | cipb.hFileInfo.ioDirID = 0; | |
2253 | cipb.hFileInfo.ioFDirIndex = 0; | |
2254 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 2255 | |
1a578e9b AC |
2256 | errno = PBGetCatInfo (&cipb, false); |
2257 | if (errno != noErr) | |
2258 | { | |
2259 | errno = ENOENT; | |
2260 | return 0; | |
2261 | } | |
2262 | ||
2263 | if (!(cipb.hFileInfo.ioFlAttrib & 0x10)) /* bit 4 = 1 for directories */ | |
2264 | return 0; /* not a directory */ | |
2265 | ||
2266 | dirp->dir_id = cipb.dirInfo.ioDrDirID; /* used later in readdir */ | |
2267 | dirp->getting_volumes = 0; | |
2268 | dirp->current_index = 1; /* index for first file/directory */ | |
2269 | ||
2270 | c2pstr (vol_name); | |
2271 | vpb.ioNamePtr = vol_name; | |
2272 | /* using full pathname so vRefNum and DirID ignored */ | |
2273 | vpb.ioVRefNum = 0; | |
2274 | vpb.ioVolIndex = -1; | |
2275 | errno = PBHGetVInfo ((union HParamBlockRec *) &vpb, false); | |
2276 | if (errno != noErr) | |
2277 | { | |
2278 | errno = ENOENT; | |
2279 | return 0; | |
2280 | } | |
2281 | ||
2282 | dirp->vol_ref_num = vpb.ioVRefNum; | |
7d0393cf | 2283 | |
1a578e9b AC |
2284 | return dirp; |
2285 | } | |
2286 | ||
2287 | int | |
2288 | closedir (DIR *dp) | |
2289 | { | |
2290 | free (dp); | |
2291 | ||
2292 | return 0; | |
2293 | } | |
2294 | ||
2295 | ||
2296 | struct dirent * | |
2297 | readdir (DIR *dp) | |
2298 | { | |
2299 | HParamBlockRec hpblock; | |
2300 | CInfoPBRec cipb; | |
2301 | static struct dirent s_dirent; | |
2302 | static Str255 s_name; | |
2303 | int done; | |
2304 | char *p; | |
2305 | ||
2306 | /* Handle the root directory containing the mounted volumes. Call | |
2307 | PBHGetVInfo specifying an index to obtain the info for a volume. | |
2308 | PBHGetVInfo returns an error when it receives an index beyond the | |
2309 | last volume, at which time we should return a nil dirent struct | |
2310 | pointer. */ | |
2311 | if (dp->getting_volumes) | |
2312 | { | |
2313 | hpblock.volumeParam.ioNamePtr = s_name; | |
2314 | hpblock.volumeParam.ioVRefNum = 0; | |
2315 | hpblock.volumeParam.ioVolIndex = dp->current_index; | |
7d0393cf | 2316 | |
1a578e9b AC |
2317 | errno = PBHGetVInfo (&hpblock, false); |
2318 | if (errno != noErr) | |
2319 | { | |
2320 | errno = ENOENT; | |
2321 | return 0; | |
2322 | } | |
7d0393cf | 2323 | |
1a578e9b AC |
2324 | p2cstr (s_name); |
2325 | strcat (s_name, "/"); /* need "/" for stat to work correctly */ | |
2326 | ||
2327 | dp->current_index++; | |
2328 | ||
2329 | s_dirent.d_ino = hpblock.volumeParam.ioVRefNum; | |
2330 | s_dirent.d_name = s_name; | |
7d0393cf | 2331 | |
1a578e9b AC |
2332 | return &s_dirent; |
2333 | } | |
2334 | else | |
2335 | { | |
2336 | cipb.hFileInfo.ioVRefNum = dp->vol_ref_num; | |
2337 | cipb.hFileInfo.ioNamePtr = s_name; | |
2338 | /* location to receive filename returned */ | |
2339 | ||
2340 | /* return only visible files */ | |
2341 | done = false; | |
2342 | while (!done) | |
2343 | { | |
2344 | cipb.hFileInfo.ioDirID = dp->dir_id; | |
2345 | /* directory ID found by opendir */ | |
2346 | cipb.hFileInfo.ioFDirIndex = dp->current_index; | |
7d0393cf | 2347 | |
1a578e9b AC |
2348 | errno = PBGetCatInfo (&cipb, false); |
2349 | if (errno != noErr) | |
2350 | { | |
2351 | errno = ENOENT; | |
2352 | return 0; | |
2353 | } | |
7d0393cf JB |
2354 | |
2355 | /* insist on a visible entry */ | |
1a578e9b AC |
2356 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* directory? */ |
2357 | done = !(cipb.dirInfo.ioDrUsrWds.frFlags & fInvisible); | |
2358 | else | |
2359 | done = !(cipb.hFileInfo.ioFlFndrInfo.fdFlags & fInvisible); | |
7d0393cf | 2360 | |
1a578e9b AC |
2361 | dp->current_index++; |
2362 | } | |
2363 | ||
2364 | p2cstr (s_name); | |
7d0393cf | 2365 | |
1a578e9b AC |
2366 | p = s_name; |
2367 | while (*p) | |
2368 | { | |
2369 | if (*p == '/') | |
2370 | *p = ':'; | |
2371 | p++; | |
2372 | } | |
2373 | ||
2374 | s_dirent.d_ino = cipb.dirInfo.ioDrDirID; | |
2375 | /* value unimportant: non-zero for valid file */ | |
2376 | s_dirent.d_name = s_name; | |
7d0393cf | 2377 | |
1a578e9b AC |
2378 | return &s_dirent; |
2379 | } | |
2380 | } | |
2381 | ||
2382 | ||
2383 | char * | |
2384 | getwd (char *path) | |
2385 | { | |
2386 | char mac_pathname[MAXPATHLEN+1]; | |
2387 | Str255 directory_name; | |
2388 | OSErr errno; | |
2389 | CInfoPBRec cipb; | |
2390 | ||
2391 | if (path_from_vol_dir_name (mac_pathname, 255, 0, 0, "\p") == 0) | |
2392 | return NULL; | |
2393 | ||
60fe1161 | 2394 | if (mac_to_posix_pathname (mac_pathname, path, MAXPATHLEN+1) == 0) |
1a578e9b AC |
2395 | return 0; |
2396 | else | |
2397 | return path; | |
2398 | } | |
2399 | ||
e0f712ba AC |
2400 | #endif /* ! MAC_OSX */ |
2401 | ||
1a578e9b AC |
2402 | |
2403 | void | |
2404 | initialize_applescript () | |
2405 | { | |
2406 | AEDesc null_desc; | |
2407 | OSAError osaerror; | |
7d0393cf | 2408 | |
1a578e9b AC |
2409 | /* if open fails, as_scripting_component is set to NULL. Its |
2410 | subsequent use in OSA calls will fail with badComponentInstance | |
2411 | error. */ | |
2412 | as_scripting_component = OpenDefaultComponent (kOSAComponentType, | |
2413 | kAppleScriptSubtype); | |
2414 | ||
2415 | null_desc.descriptorType = typeNull; | |
2416 | null_desc.dataHandle = 0; | |
2417 | osaerror = OSAMakeContext (as_scripting_component, &null_desc, | |
2418 | kOSANullScript, &as_script_context); | |
2419 | if (osaerror) | |
2420 | as_script_context = kOSANullScript; | |
2421 | /* use default context if create fails */ | |
2422 | } | |
2423 | ||
2424 | ||
2425 | void terminate_applescript() | |
2426 | { | |
2427 | OSADispose (as_scripting_component, as_script_context); | |
2428 | CloseComponent (as_scripting_component); | |
2429 | } | |
2430 | ||
2431 | ||
2432 | /* Compile and execute the AppleScript SCRIPT and return the error | |
2433 | status as function value. A zero is returned if compilation and | |
2434 | execution is successful, in which case RESULT returns a pointer to | |
2435 | a string containing the resulting script value. Otherwise, the Mac | |
2436 | error code is returned and RESULT returns a pointer to an error | |
2437 | string. In both cases the caller should deallocate the storage | |
2438 | used by the string pointed to by RESULT if it is non-NULL. For | |
2439 | documentation on the MacOS scripting architecture, see Inside | |
2440 | Macintosh - Interapplication Communications: Scripting Components. */ | |
2441 | ||
2442 | static long | |
2443 | do_applescript (char *script, char **result) | |
2444 | { | |
2445 | AEDesc script_desc, result_desc, error_desc; | |
2446 | OSErr error; | |
2447 | OSAError osaerror; | |
2448 | long length; | |
2449 | ||
2450 | *result = 0; | |
2451 | ||
84c0c2cc AC |
2452 | if (!as_scripting_component) |
2453 | initialize_applescript(); | |
2454 | ||
1a578e9b AC |
2455 | error = AECreateDesc (typeChar, script, strlen(script), &script_desc); |
2456 | if (error) | |
2457 | return error; | |
2458 | ||
2459 | osaerror = OSADoScript (as_scripting_component, &script_desc, kOSANullScript, | |
2460 | typeChar, kOSAModeNull, &result_desc); | |
2461 | ||
2462 | if (osaerror == errOSAScriptError) | |
2463 | { | |
2464 | /* error executing AppleScript: retrieve error message */ | |
2465 | if (!OSAScriptError (as_scripting_component, kOSAErrorMessage, typeChar, | |
2466 | &error_desc)) | |
2467 | { | |
e0f712ba AC |
2468 | #if TARGET_API_MAC_CARBON |
2469 | length = AEGetDescDataSize (&error_desc); | |
2470 | *result = (char *) xmalloc (length + 1); | |
2471 | if (*result) | |
2472 | { | |
2473 | AEGetDescData (&error_desc, *result, length); | |
2474 | *(*result + length) = '\0'; | |
2475 | } | |
2476 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2477 | HLock (error_desc.dataHandle); |
2478 | length = GetHandleSize(error_desc.dataHandle); | |
2479 | *result = (char *) xmalloc (length + 1); | |
2480 | if (*result) | |
2481 | { | |
2482 | memcpy (*result, *(error_desc.dataHandle), length); | |
2483 | *(*result + length) = '\0'; | |
2484 | } | |
2485 | HUnlock (error_desc.dataHandle); | |
e0f712ba | 2486 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2487 | AEDisposeDesc (&error_desc); |
2488 | } | |
2489 | } | |
2490 | else if (osaerror == noErr) /* success: retrieve resulting script value */ | |
2491 | { | |
e0f712ba AC |
2492 | #if TARGET_API_MAC_CARBON |
2493 | length = AEGetDescDataSize (&result_desc); | |
2494 | *result = (char *) xmalloc (length + 1); | |
2495 | if (*result) | |
2496 | { | |
2497 | AEGetDescData (&result_desc, *result, length); | |
2498 | *(*result + length) = '\0'; | |
2499 | } | |
2500 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2501 | HLock (result_desc.dataHandle); |
2502 | length = GetHandleSize(result_desc.dataHandle); | |
2503 | *result = (char *) xmalloc (length + 1); | |
2504 | if (*result) | |
2505 | { | |
2506 | memcpy (*result, *(result_desc.dataHandle), length); | |
2507 | *(*result + length) = '\0'; | |
2508 | } | |
2509 | HUnlock (result_desc.dataHandle); | |
e0f712ba | 2510 | #endif /* not TARGET_API_MAC_CARBON */ |
84c0c2cc | 2511 | AEDisposeDesc (&result_desc); |
1a578e9b AC |
2512 | } |
2513 | ||
2514 | AEDisposeDesc (&script_desc); | |
1a578e9b AC |
2515 | |
2516 | return osaerror; | |
2517 | } | |
2518 | ||
2519 | ||
2520 | DEFUN ("do-applescript", Fdo_applescript, Sdo_applescript, 1, 1, 0, | |
e0f712ba AC |
2521 | doc: /* Compile and execute AppleScript SCRIPT and retrieve and return the result. |
2522 | If compilation and execution are successful, the resulting script | |
2523 | value is returned as a string. Otherwise the function aborts and | |
2524 | displays the error message returned by the AppleScript scripting | |
2525 | component. */) | |
1a578e9b AC |
2526 | (script) |
2527 | Lisp_Object script; | |
2528 | { | |
2529 | char *result, *temp; | |
2530 | Lisp_Object lisp_result; | |
2531 | long status; | |
2532 | ||
e0f712ba | 2533 | CHECK_STRING (script); |
7d0393cf | 2534 | |
d5db4077 | 2535 | status = do_applescript (SDATA (script), &result); |
1a578e9b AC |
2536 | if (status) |
2537 | { | |
2538 | if (!result) | |
84c0c2cc | 2539 | error ("AppleScript error %d", status); |
1a578e9b AC |
2540 | else |
2541 | { | |
2542 | /* Unfortunately only OSADoScript in do_applescript knows how | |
2543 | how large the resulting script value or error message is | |
2544 | going to be and therefore as caller memory must be | |
2545 | deallocated here. It is necessary to free the error | |
2546 | message before calling error to avoid a memory leak. */ | |
2547 | temp = (char *) alloca (strlen (result) + 1); | |
2548 | strcpy (temp, result); | |
2549 | xfree (result); | |
2550 | error (temp); | |
2551 | } | |
2552 | } | |
2553 | else | |
2554 | { | |
2555 | lisp_result = build_string (result); | |
2556 | xfree (result); | |
2557 | return lisp_result; | |
2558 | } | |
2559 | } | |
2560 | ||
2561 | ||
e0f712ba AC |
2562 | DEFUN ("mac-file-name-to-posix", Fmac_file_name_to_posix, |
2563 | Smac_file_name_to_posix, 1, 1, 0, | |
2564 | doc: /* Convert Macintosh filename to Posix form. */) | |
2565 | (mac_filename) | |
2566 | Lisp_Object mac_filename; | |
1a578e9b | 2567 | { |
60fe1161 | 2568 | char posix_filename[MAXPATHLEN+1]; |
1a578e9b | 2569 | |
e0f712ba | 2570 | CHECK_STRING (mac_filename); |
7d0393cf | 2571 | |
d5db4077 | 2572 | if (mac_to_posix_pathname (SDATA (mac_filename), posix_filename, |
1a578e9b | 2573 | MAXPATHLEN)) |
60fe1161 | 2574 | return build_string (posix_filename); |
1a578e9b AC |
2575 | else |
2576 | return Qnil; | |
2577 | } | |
2578 | ||
2579 | ||
e0f712ba AC |
2580 | DEFUN ("posix-file-name-to-mac", Fposix_file_name_to_mac, |
2581 | Sposix_file_name_to_mac, 1, 1, 0, | |
2582 | doc: /* Convert Posix filename to Mac form. */) | |
2583 | (posix_filename) | |
2584 | Lisp_Object posix_filename; | |
1a578e9b AC |
2585 | { |
2586 | char mac_filename[MAXPATHLEN+1]; | |
2587 | ||
e0f712ba | 2588 | CHECK_STRING (posix_filename); |
7d0393cf | 2589 | |
d5db4077 | 2590 | if (posix_to_mac_pathname (SDATA (posix_filename), mac_filename, |
1a578e9b AC |
2591 | MAXPATHLEN)) |
2592 | return build_string (mac_filename); | |
2593 | else | |
2594 | return Qnil; | |
2595 | } | |
2596 | ||
2597 | ||
2598 | /* set interprogram-paste-function to mac-paste-function in mac-win.el | |
2599 | to enable Emacs to obtain the contents of the Mac clipboard. */ | |
2600 | DEFUN ("mac-paste-function", Fmac_paste_function, Smac_paste_function, 0, 0, 0, | |
e0f712ba AC |
2601 | doc: /* Return the contents of the Mac clipboard as a string. */) |
2602 | () | |
1a578e9b | 2603 | { |
e0f712ba AC |
2604 | #if TARGET_API_MAC_CARBON |
2605 | ScrapRef scrap; | |
2606 | ScrapFlavorFlags sff; | |
2607 | Size s; | |
2608 | int i; | |
2609 | char *data; | |
2610 | ||
2611 | if (GetCurrentScrap (&scrap) != noErr) | |
2612 | return Qnil; | |
2613 | ||
2614 | if (GetScrapFlavorFlags (scrap, kScrapFlavorTypeText, &sff) != noErr) | |
2615 | return Qnil; | |
2616 | ||
2617 | if (GetScrapFlavorSize (scrap, kScrapFlavorTypeText, &s) != noErr) | |
2618 | return Qnil; | |
2619 | ||
2620 | if ((data = (char*) alloca (s)) == NULL) | |
2621 | return Qnil; | |
2622 | ||
2623 | if (GetScrapFlavorData (scrap, kScrapFlavorTypeText, &s, data) != noErr | |
2624 | || s == 0) | |
2625 | return Qnil; | |
7d0393cf | 2626 | |
e0f712ba AC |
2627 | /* Emacs expects clipboard contents have Unix-style eol's */ |
2628 | for (i = 0; i < s; i++) | |
2629 | if (data[i] == '\r') | |
2630 | data[i] = '\n'; | |
2631 | ||
2632 | return make_string (data, s); | |
2633 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2634 | Lisp_Object value; |
2635 | Handle my_handle; | |
2636 | long scrap_offset, rc, i; | |
2637 | ||
2638 | my_handle = NewHandle (0); /* allocate 0-length data area */ | |
2639 | ||
2640 | rc = GetScrap (my_handle, 'TEXT', &scrap_offset); | |
2641 | if (rc < 0) | |
2642 | return Qnil; | |
2643 | ||
2644 | HLock (my_handle); | |
2645 | ||
2646 | /* Emacs expects clipboard contents have Unix-style eol's */ | |
2647 | for (i = 0; i < rc; i++) | |
2648 | if ((*my_handle)[i] == '\r') | |
2649 | (*my_handle)[i] = '\n'; | |
2650 | ||
2651 | value = make_string (*my_handle, rc); | |
2652 | ||
2653 | HUnlock (my_handle); | |
7d0393cf | 2654 | |
1a578e9b AC |
2655 | DisposeHandle (my_handle); |
2656 | ||
2657 | return value; | |
e0f712ba | 2658 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2659 | } |
2660 | ||
2661 | ||
2662 | /* set interprogram-cut-function to mac-cut-function in mac-win.el | |
2663 | to enable Emacs to write the top of the kill-ring to the Mac clipboard. */ | |
2664 | DEFUN ("mac-cut-function", Fmac_cut_function, Smac_cut_function, 1, 2, 0, | |
e0f712ba | 2665 | doc: /* Put the value of the string parameter to the Mac clipboard. */) |
1a578e9b AC |
2666 | (value, push) |
2667 | Lisp_Object value, push; | |
2668 | { | |
2669 | char *buf; | |
2670 | int len, i; | |
2671 | ||
2672 | /* fixme: ignore the push flag for now */ | |
2673 | ||
e0f712ba | 2674 | CHECK_STRING (value); |
7d0393cf | 2675 | |
d5db4077 | 2676 | len = SCHARS (value); |
e0f712ba | 2677 | buf = (char *) alloca (len+1); |
d5db4077 | 2678 | bcopy (SDATA (value), buf, len); |
e0f712ba | 2679 | buf[len] = '\0'; |
7d0393cf | 2680 | |
1a578e9b AC |
2681 | /* convert to Mac-style eol's before sending to clipboard */ |
2682 | for (i = 0; i < len; i++) | |
2683 | if (buf[i] == '\n') | |
2684 | buf[i] = '\r'; | |
2685 | ||
e0f712ba AC |
2686 | #if TARGET_API_MAC_CARBON |
2687 | { | |
2688 | ScrapRef scrap; | |
2689 | ClearCurrentScrap (); | |
2690 | if (GetCurrentScrap (&scrap) != noErr) | |
2691 | error ("cannot get current scrap"); | |
2692 | ||
2693 | if (PutScrapFlavor (scrap, kScrapFlavorTypeText, kScrapFlavorMaskNone, len, | |
2694 | buf) != noErr) | |
2695 | error ("cannot put to scrap"); | |
2696 | } | |
2697 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2698 | ZeroScrap (); |
2699 | PutScrap (len, 'TEXT', buf); | |
e0f712ba | 2700 | #endif /* not TARGET_API_MAC_CARBON */ |
7d0393cf | 2701 | |
1a578e9b AC |
2702 | return Qnil; |
2703 | } | |
2704 | ||
2705 | ||
2706 | DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p, | |
e0f712ba AC |
2707 | 0, 1, 0, |
2708 | doc: /* Whether there is an owner for the given X Selection. | |
2709 | The arg should be the name of the selection in question, typically one of | |
2710 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
14bda6db | 2711 | \(Those are literal upper-case symbol names, since that's what X expects.) |
e0f712ba AC |
2712 | For convenience, the symbol nil is the same as `PRIMARY', |
2713 | and t is the same as `SECONDARY'. */) | |
1a578e9b AC |
2714 | (selection) |
2715 | Lisp_Object selection; | |
2716 | { | |
e0f712ba | 2717 | CHECK_SYMBOL (selection); |
1a578e9b AC |
2718 | |
2719 | /* Return nil for PRIMARY and SECONDARY selections; for CLIPBOARD, check | |
2720 | if the clipboard currently has valid text format contents. */ | |
2721 | ||
2722 | if (EQ (selection, QCLIPBOARD)) | |
2723 | { | |
2724 | Lisp_Object val = Qnil; | |
e0f712ba AC |
2725 | |
2726 | #if TARGET_API_MAC_CARBON | |
2727 | ScrapRef scrap; | |
2728 | ScrapFlavorFlags sff; | |
2729 | ||
2730 | if (GetCurrentScrap (&scrap) == noErr) | |
2731 | if (GetScrapFlavorFlags (scrap, kScrapFlavorTypeText, &sff) == noErr) | |
2732 | val = Qt; | |
2733 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2734 | Handle my_handle; |
2735 | long rc, scrap_offset; | |
2736 | ||
2737 | my_handle = NewHandle (0); | |
2738 | ||
2739 | rc = GetScrap (my_handle, 'TEXT', &scrap_offset); | |
2740 | if (rc >= 0) | |
2741 | val = Qt; | |
2742 | ||
2743 | DisposeHandle (my_handle); | |
e0f712ba | 2744 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2745 | |
2746 | return val; | |
2747 | } | |
2748 | return Qnil; | |
2749 | } | |
2750 | ||
8030369c AC |
2751 | #ifdef MAC_OSX |
2752 | #undef select | |
2753 | ||
2754 | extern int inhibit_window_system; | |
2b187eac | 2755 | extern int noninteractive; |
8030369c AC |
2756 | |
2757 | /* When Emacs is started from the Finder, SELECT always immediately | |
2758 | returns as if input is present when file descriptor 0 is polled for | |
2759 | input. Strangely, when Emacs is run as a GUI application from the | |
2760 | command line, it blocks in the same situation. This `wrapper' of | |
2761 | the system call SELECT corrects this discrepancy. */ | |
2762 | int | |
2763 | sys_select (n, rfds, wfds, efds, timeout) | |
2764 | int n; | |
2765 | SELECT_TYPE *rfds; | |
2766 | SELECT_TYPE *wfds; | |
2767 | SELECT_TYPE *efds; | |
2768 | struct timeval *timeout; | |
2769 | { | |
2770 | if (!inhibit_window_system && rfds && FD_ISSET (0, rfds)) | |
2771 | return 1; | |
88069dff | 2772 | else if (inhibit_window_system || noninteractive || |
177c0ea7 | 2773 | (timeout && (EMACS_SECS(*timeout)==0) && |
88069dff | 2774 | (EMACS_USECS(*timeout)==0))) |
2b187eac | 2775 | return select(n, rfds, wfds, efds, timeout); |
8030369c | 2776 | else |
2b187eac ST |
2777 | { |
2778 | EMACS_TIME end_time, now; | |
96720f09 | 2779 | |
2b187eac ST |
2780 | EMACS_GET_TIME (end_time); |
2781 | if (timeout) | |
2782 | EMACS_ADD_TIME (end_time, end_time, *timeout); | |
177c0ea7 | 2783 | |
2b187eac ST |
2784 | do |
2785 | { | |
2786 | int r; | |
2787 | EMACS_TIME one_second; | |
96720f09 | 2788 | SELECT_TYPE orfds; |
177c0ea7 | 2789 | |
96720f09 ST |
2790 | FD_ZERO (&orfds); |
2791 | if (rfds) | |
2792 | { | |
2793 | orfds = *rfds; | |
2794 | } | |
177c0ea7 | 2795 | |
2b187eac ST |
2796 | EMACS_SET_SECS (one_second, 1); |
2797 | EMACS_SET_USECS (one_second, 0); | |
177c0ea7 | 2798 | |
88069dff ST |
2799 | if (timeout && EMACS_TIME_LT(*timeout, one_second)) |
2800 | one_second = *timeout; | |
2801 | ||
96720f09 ST |
2802 | if ((r = select (n, &orfds, wfds, efds, &one_second)) > 0) |
2803 | { | |
2804 | *rfds = orfds; | |
2805 | return r; | |
2806 | } | |
2807 | ||
2b187eac | 2808 | mac_check_for_quit_char(); |
177c0ea7 | 2809 | |
2b187eac ST |
2810 | EMACS_GET_TIME (now); |
2811 | EMACS_SUB_TIME (now, end_time, now); | |
2812 | } | |
2813 | while (!timeout || !EMACS_TIME_NEG_P (now)); | |
177c0ea7 | 2814 | |
2b187eac ST |
2815 | return 0; |
2816 | } | |
2817 | } | |
2818 | ||
2819 | #undef read | |
2820 | int sys_read (fds, buf, nbyte) | |
2821 | int fds; | |
2822 | char *buf; | |
2823 | unsigned int nbyte; | |
2824 | { | |
2825 | SELECT_TYPE rfds; | |
2826 | EMACS_TIME one_second; | |
2827 | int r; | |
2828 | ||
2829 | /* Use select to block on IO while still checking for quit_char */ | |
2eb46b2d ST |
2830 | if (!inhibit_window_system && !noninteractive && |
2831 | ! (fcntl(fds, F_GETFL, 0) & O_NONBLOCK)) | |
2b187eac ST |
2832 | { |
2833 | FD_ZERO (&rfds); | |
2834 | FD_SET (fds, &rfds); | |
2835 | if (sys_select (fds+1, &rfds, 0, 0, NULL) < 0) | |
2836 | return -1; | |
2837 | } | |
177c0ea7 | 2838 | |
2b187eac | 2839 | return read (fds, buf, nbyte); |
8030369c | 2840 | } |
1000788b AC |
2841 | |
2842 | ||
2843 | /* Set up environment variables so that Emacs can correctly find its | |
2844 | support files when packaged as an application bundle. Directories | |
2845 | placed in /usr/local/share/emacs/<emacs-version>/, /usr/local/bin, | |
2846 | and /usr/local/libexec/emacs/<emacs-version>/<system-configuration> | |
2847 | by `make install' by default can instead be placed in | |
2848 | .../Emacs.app/Contents/Resources/ and | |
2849 | .../Emacs.app/Contents/MacOS/. Each of these environment variables | |
2850 | is changed only if it is not already set. Presumably if the user | |
2851 | sets an environment variable, he will want to use files in his path | |
2852 | instead of ones in the application bundle. */ | |
2853 | void | |
2854 | init_mac_osx_environment () | |
2855 | { | |
2856 | CFBundleRef bundle; | |
2857 | CFURLRef bundleURL; | |
2858 | CFStringRef cf_app_bundle_pathname; | |
2859 | int app_bundle_pathname_len; | |
2860 | char *app_bundle_pathname; | |
2861 | char *p, *q; | |
2862 | struct stat st; | |
2863 | ||
2864 | /* Fetch the pathname of the application bundle as a C string into | |
2865 | app_bundle_pathname. */ | |
2866 | ||
2867 | bundle = CFBundleGetMainBundle (); | |
2868 | if (!bundle) | |
2869 | return; | |
2870 | ||
2871 | bundleURL = CFBundleCopyBundleURL (bundle); | |
2872 | if (!bundleURL) | |
2873 | return; | |
2874 | ||
2875 | cf_app_bundle_pathname = CFURLCopyFileSystemPath (bundleURL, | |
2876 | kCFURLPOSIXPathStyle); | |
2877 | app_bundle_pathname_len = CFStringGetLength (cf_app_bundle_pathname); | |
2878 | app_bundle_pathname = (char *) alloca (app_bundle_pathname_len + 1); | |
2879 | ||
2880 | if (!CFStringGetCString (cf_app_bundle_pathname, | |
2881 | app_bundle_pathname, | |
2882 | app_bundle_pathname_len + 1, | |
2883 | kCFStringEncodingISOLatin1)) | |
2884 | { | |
2885 | CFRelease (cf_app_bundle_pathname); | |
2886 | return; | |
2887 | } | |
2888 | ||
2889 | CFRelease (cf_app_bundle_pathname); | |
2890 | ||
2891 | /* P should have sufficient room for the pathname of the bundle plus | |
2892 | the subpath in it leading to the respective directories. Q | |
2893 | should have three times that much room because EMACSLOADPATH can | |
2894 | have the value "<path to lisp dir>:<path to leim dir>:<path to | |
2895 | site-lisp dir>". */ | |
2896 | p = (char *) alloca (app_bundle_pathname_len + 50); | |
2897 | q = (char *) alloca (3 * app_bundle_pathname_len + 150); | |
2898 | if (!getenv ("EMACSLOADPATH")) | |
2899 | { | |
2900 | q[0] = '\0'; | |
2901 | ||
2902 | strcpy (p, app_bundle_pathname); | |
2903 | strcat (p, "/Contents/Resources/lisp"); | |
2904 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2905 | strcat (q, p); | |
2906 | ||
2907 | strcpy (p, app_bundle_pathname); | |
2908 | strcat (p, "/Contents/Resources/leim"); | |
2909 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2910 | { | |
2911 | if (q[0] != '\0') | |
2912 | strcat (q, ":"); | |
2913 | strcat (q, p); | |
2914 | } | |
2915 | ||
2916 | strcpy (p, app_bundle_pathname); | |
2917 | strcat (p, "/Contents/Resources/site-lisp"); | |
2918 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2919 | { | |
2920 | if (q[0] != '\0') | |
2921 | strcat (q, ":"); | |
2922 | strcat (q, p); | |
2923 | } | |
2924 | ||
2925 | if (q[0] != '\0') | |
2926 | setenv ("EMACSLOADPATH", q, 1); | |
2927 | } | |
2928 | ||
2929 | if (!getenv ("EMACSPATH")) | |
2930 | { | |
2931 | q[0] = '\0'; | |
2932 | ||
2933 | strcpy (p, app_bundle_pathname); | |
e8f25745 | 2934 | strcat (p, "/Contents/MacOS/libexec"); |
1000788b AC |
2935 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) |
2936 | strcat (q, p); | |
2937 | ||
2938 | strcpy (p, app_bundle_pathname); | |
e8f25745 | 2939 | strcat (p, "/Contents/MacOS/bin"); |
1000788b AC |
2940 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) |
2941 | { | |
2942 | if (q[0] != '\0') | |
2943 | strcat (q, ":"); | |
2944 | strcat (q, p); | |
2945 | } | |
2946 | ||
2947 | if (q[0] != '\0') | |
2948 | setenv ("EMACSPATH", q, 1); | |
2949 | } | |
2950 | ||
2951 | if (!getenv ("EMACSDATA")) | |
2952 | { | |
2953 | strcpy (p, app_bundle_pathname); | |
2954 | strcat (p, "/Contents/Resources/etc"); | |
2955 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2956 | setenv ("EMACSDATA", p, 1); | |
2957 | } | |
2958 | ||
2959 | if (!getenv ("EMACSDOC")) | |
2960 | { | |
2961 | strcpy (p, app_bundle_pathname); | |
2962 | strcat (p, "/Contents/Resources/etc"); | |
2963 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2964 | setenv ("EMACSDOC", p, 1); | |
2965 | } | |
2966 | ||
2967 | if (!getenv ("INFOPATH")) | |
2968 | { | |
2969 | strcpy (p, app_bundle_pathname); | |
2970 | strcat (p, "/Contents/Resources/info"); | |
2971 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2972 | setenv ("INFOPATH", p, 1); | |
2973 | } | |
2974 | } | |
8030369c | 2975 | #endif /* MAC_OSX */ |
1a578e9b AC |
2976 | |
2977 | void | |
2978 | syms_of_mac () | |
2979 | { | |
2980 | QCLIPBOARD = intern ("CLIPBOARD"); | |
2981 | staticpro (&QCLIPBOARD); | |
7d0393cf | 2982 | |
1a578e9b AC |
2983 | defsubr (&Smac_paste_function); |
2984 | defsubr (&Smac_cut_function); | |
2985 | defsubr (&Sx_selection_exists_p); | |
2986 | ||
2987 | defsubr (&Sdo_applescript); | |
60fe1161 AC |
2988 | defsubr (&Smac_file_name_to_posix); |
2989 | defsubr (&Sposix_file_name_to_mac); | |
1a578e9b | 2990 | } |