Commit | Line | Data |
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1a578e9b | 1 | /* Unix emulation routines for GNU Emacs on the Mac OS. |
e0f712ba | 2 | Copyright (C) 2000, 2001 Free Software Foundation, Inc. |
1a578e9b AC |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
20 | ||
e0f712ba | 21 | /* Contributed by Andrew Choi (akochoi@mac.com). */ |
1a578e9b AC |
22 | |
23 | #include <config.h> | |
24 | ||
25 | #include <stdio.h> | |
26 | #include <errno.h> | |
f7f3a65f | 27 | #include <time.h> |
1a578e9b AC |
28 | #include <utime.h> |
29 | #include <dirent.h> | |
1000788b | 30 | #include <sys/types.h> |
1a578e9b AC |
31 | #include <sys/stat.h> |
32 | #include <string.h> | |
33 | #include <pwd.h> | |
49e7a2c0 | 34 | #include <grp.h> |
1a578e9b | 35 | #include <sys/param.h> |
1000788b | 36 | #include <stdlib.h> |
2eb46b2d | 37 | #include <fcntl.h> |
1a578e9b AC |
38 | #if __MWERKS__ |
39 | #include <unistd.h> | |
40 | #endif | |
41 | ||
e0f712ba AC |
42 | #ifdef MAC_OSX |
43 | #undef mktime | |
44 | #undef DEBUG | |
45 | #undef free | |
46 | #undef malloc | |
47 | #undef realloc | |
f00691a3 | 48 | #undef init_process |
e0f712ba | 49 | #include <Carbon/Carbon.h> |
c3f4c690 ST |
50 | #undef mktime |
51 | #define mktime emacs_mktime | |
e0f712ba AC |
52 | #undef free |
53 | #define free unexec_free | |
54 | #undef malloc | |
55 | #define malloc unexec_malloc | |
56 | #undef realloc | |
57 | #define realloc unexec_realloc | |
f00691a3 AC |
58 | #undef init_process |
59 | #define init_process emacs_init_process | |
e0f712ba | 60 | #else /* not MAC_OSX */ |
1a578e9b AC |
61 | #include <Files.h> |
62 | #include <MacTypes.h> | |
63 | #include <TextUtils.h> | |
64 | #include <Folders.h> | |
65 | #include <Resources.h> | |
66 | #include <Aliases.h> | |
67 | #include <FixMath.h> | |
68 | #include <Timer.h> | |
69 | #include <OSA.h> | |
70 | #include <AppleScript.h> | |
e0f712ba AC |
71 | #include <Scrap.h> |
72 | #endif /* not MAC_OSX */ | |
1a578e9b AC |
73 | |
74 | #include "lisp.h" | |
75 | #include "process.h" | |
76 | #include "sysselect.h" | |
77 | #include "systime.h" | |
c3f4c690 | 78 | #include "blockinput.h" |
1a578e9b AC |
79 | |
80 | Lisp_Object QCLIPBOARD; | |
81 | ||
82 | /* An instance of the AppleScript component. */ | |
83 | static ComponentInstance as_scripting_component; | |
84 | /* The single script context used for all script executions. */ | |
85 | static OSAID as_script_context; | |
86 | ||
87 | ||
88 | /* When converting from Mac to Unix pathnames, /'s in folder names are | |
89 | converted to :'s. This function, used in copying folder names, | |
90 | performs a strncat and converts all character a to b in the copy of | |
91 | the string s2 appended to the end of s1. */ | |
92 | ||
93 | void | |
94 | string_cat_and_replace (char *s1, const char *s2, int n, char a, char b) | |
95 | { | |
96 | int l1 = strlen (s1); | |
97 | int l2 = strlen (s2); | |
98 | char *p = s1 + l1; | |
99 | int i; | |
7d0393cf | 100 | |
1a578e9b AC |
101 | strncat (s1, s2, n); |
102 | for (i = 0; i < l2; i++) | |
103 | { | |
104 | if (*p == a) | |
105 | *p = b; | |
106 | p++; | |
107 | } | |
108 | } | |
109 | ||
110 | ||
e0f712ba | 111 | /* Convert a Mac pathname to Posix form. A Mac full pathname is one |
1a578e9b | 112 | that does not begin with a ':' and contains at least one ':'. A Mac |
7d0393cf | 113 | full pathname causes a '/' to be prepended to the Posix pathname. |
1a578e9b AC |
114 | The algorithm for the rest of the pathname is as follows: |
115 | For each segment between two ':', | |
116 | if it is non-null, copy as is and then add a '/' at the end, | |
e0f712ba | 117 | otherwise, insert a "../" into the Posix pathname. |
1a578e9b | 118 | Returns 1 if successful; 0 if fails. */ |
7d0393cf | 119 | |
1a578e9b | 120 | int |
60fe1161 | 121 | mac_to_posix_pathname (const char *mfn, char *ufn, int ufnbuflen) |
1a578e9b AC |
122 | { |
123 | const char *p, *q, *pe; | |
7d0393cf | 124 | |
1a578e9b | 125 | strcpy (ufn, ""); |
7d0393cf | 126 | |
1a578e9b AC |
127 | if (*mfn == '\0') |
128 | return 1; | |
7d0393cf | 129 | |
1a578e9b AC |
130 | p = strchr (mfn, ':'); |
131 | if (p != 0 && p != mfn) /* full pathname */ | |
132 | strcat (ufn, "/"); | |
7d0393cf | 133 | |
1a578e9b AC |
134 | p = mfn; |
135 | if (*p == ':') | |
136 | p++; | |
137 | ||
138 | pe = mfn + strlen (mfn); | |
139 | while (p < pe) | |
140 | { | |
141 | q = strchr (p, ':'); | |
142 | if (q) | |
143 | { | |
144 | if (q == p) | |
145 | { /* two consecutive ':' */ | |
146 | if (strlen (ufn) + 3 >= ufnbuflen) | |
147 | return 0; | |
148 | strcat (ufn, "../"); | |
149 | } | |
150 | else | |
151 | { | |
152 | if (strlen (ufn) + (q - p) + 1 >= ufnbuflen) | |
153 | return 0; | |
154 | string_cat_and_replace (ufn, p, q - p, '/', ':'); | |
155 | strcat (ufn, "/"); | |
156 | } | |
157 | p = q + 1; | |
158 | } | |
159 | else | |
160 | { | |
161 | if (strlen (ufn) + (pe - p) >= ufnbuflen) | |
162 | return 0; | |
163 | string_cat_and_replace (ufn, p, pe - p, '/', ':'); | |
164 | /* no separator for last one */ | |
165 | p = pe; | |
166 | } | |
167 | } | |
7d0393cf | 168 | |
1a578e9b AC |
169 | return 1; |
170 | } | |
171 | ||
172 | ||
173 | extern char *get_temp_dir_name (); | |
174 | ||
175 | ||
e0f712ba | 176 | /* Convert a Posix pathname to Mac form. Approximately reverse of the |
1a578e9b | 177 | above in algorithm. */ |
7d0393cf | 178 | |
1a578e9b | 179 | int |
60fe1161 | 180 | posix_to_mac_pathname (const char *ufn, char *mfn, int mfnbuflen) |
1a578e9b AC |
181 | { |
182 | const char *p, *q, *pe; | |
183 | char expanded_pathname[MAXPATHLEN+1]; | |
7d0393cf | 184 | |
1a578e9b | 185 | strcpy (mfn, ""); |
7d0393cf | 186 | |
1a578e9b AC |
187 | if (*ufn == '\0') |
188 | return 1; | |
189 | ||
190 | p = ufn; | |
7d0393cf | 191 | |
1a578e9b AC |
192 | /* Check for and handle volume names. Last comparison: strangely |
193 | somewhere "/.emacs" is passed. A temporary fix for now. */ | |
194 | if (*p == '/' && strchr (p+1, '/') == NULL && strcmp (p, "/.emacs") != 0) | |
195 | { | |
196 | if (strlen (p) + 1 > mfnbuflen) | |
197 | return 0; | |
198 | strcpy (mfn, p+1); | |
199 | strcat (mfn, ":"); | |
200 | return 1; | |
201 | } | |
202 | ||
203 | /* expand to emacs dir found by init_emacs_passwd_dir */ | |
204 | if (strncmp (p, "~emacs/", 7) == 0) | |
205 | { | |
206 | struct passwd *pw = getpwnam ("emacs"); | |
207 | p += 7; | |
208 | if (strlen (pw->pw_dir) + strlen (p) > MAXPATHLEN) | |
209 | return 0; | |
210 | strcpy (expanded_pathname, pw->pw_dir); | |
211 | strcat (expanded_pathname, p); | |
212 | p = expanded_pathname; | |
213 | /* now p points to the pathname with emacs dir prefix */ | |
214 | } | |
215 | else if (strncmp (p, "/tmp/", 5) == 0) | |
216 | { | |
217 | char *t = get_temp_dir_name (); | |
218 | p += 5; | |
219 | if (strlen (t) + strlen (p) > MAXPATHLEN) | |
220 | return 0; | |
221 | strcpy (expanded_pathname, t); | |
222 | strcat (expanded_pathname, p); | |
223 | p = expanded_pathname; | |
224 | /* now p points to the pathname with emacs dir prefix */ | |
7d0393cf | 225 | } |
1a578e9b AC |
226 | else if (*p != '/') /* relative pathname */ |
227 | strcat (mfn, ":"); | |
7d0393cf | 228 | |
1a578e9b AC |
229 | if (*p == '/') |
230 | p++; | |
231 | ||
232 | pe = p + strlen (p); | |
233 | while (p < pe) | |
234 | { | |
235 | q = strchr (p, '/'); | |
236 | if (q) | |
237 | { | |
238 | if (q - p == 2 && *p == '.' && *(p+1) == '.') | |
239 | { | |
240 | if (strlen (mfn) + 1 >= mfnbuflen) | |
241 | return 0; | |
242 | strcat (mfn, ":"); | |
243 | } | |
244 | else | |
245 | { | |
246 | if (strlen (mfn) + (q - p) + 1 >= mfnbuflen) | |
247 | return 0; | |
248 | string_cat_and_replace (mfn, p, q - p, ':', '/'); | |
249 | strcat (mfn, ":"); | |
250 | } | |
251 | p = q + 1; | |
252 | } | |
253 | else | |
254 | { | |
255 | if (strlen (mfn) + (pe - p) >= mfnbuflen) | |
256 | return 0; | |
257 | string_cat_and_replace (mfn, p, pe - p, ':', '/'); | |
258 | p = pe; | |
259 | } | |
260 | } | |
7d0393cf | 261 | |
1a578e9b AC |
262 | return 1; |
263 | } | |
264 | ||
d8f96db8 ST |
265 | #if TARGET_API_MAC_CARBON |
266 | CFStringRef | |
267 | cfstring_create_with_utf8_cstring (c_str) | |
268 | const char *c_str; | |
269 | { | |
270 | CFStringRef str; | |
271 | ||
272 | str = CFStringCreateWithCString (NULL, c_str, kCFStringEncodingUTF8); | |
273 | if (str == NULL) | |
274 | /* Failed to interpret as UTF 8. Fall back on Mac Roman. */ | |
275 | str = CFStringCreateWithCString (NULL, c_str, kCFStringEncodingMacRoman); | |
276 | ||
277 | return str; | |
278 | } | |
279 | #endif | |
280 | ||
e0f712ba | 281 | #ifndef MAC_OSX |
1a578e9b AC |
282 | |
283 | /* The following functions with "sys_" prefix are stubs to Unix | |
284 | functions that have already been implemented by CW or MPW. The | |
285 | calls to them in Emacs source course are #define'd to call the sys_ | |
286 | versions by the header files s-mac.h. In these stubs pathnames are | |
287 | converted between their Unix and Mac forms. */ | |
288 | ||
289 | ||
290 | /* Unix epoch is Jan 1, 1970 while Mac epoch is Jan 1, 1904: 66 years | |
291 | + 17 leap days. These are for adjusting time values returned by | |
292 | MacOS Toolbox functions. */ | |
293 | ||
294 | #define MAC_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) | |
295 | ||
296 | #ifdef __MWERKS__ | |
e0f712ba | 297 | #if __MSL__ < 0x6000 |
1a578e9b AC |
298 | /* CW Pro 5 epoch is Jan 1, 1900 (aaarghhhhh!); remember, 1900 is not |
299 | a leap year! This is for adjusting time_t values returned by MSL | |
300 | functions. */ | |
301 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 70 + 17) * 24 * 60 * 60) | |
e0f712ba AC |
302 | #else /* __MSL__ >= 0x6000 */ |
303 | /* CW changes Pro 6 to follow Unix! */ | |
1a578e9b | 304 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) |
e0f712ba | 305 | #endif /* __MSL__ >= 0x6000 */ |
1a578e9b AC |
306 | #elif __MRC__ |
307 | /* MPW library functions follow Unix (confused?). */ | |
308 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) | |
e0f712ba | 309 | #else /* not __MRC__ */ |
1a578e9b | 310 | You lose!!! |
e0f712ba | 311 | #endif /* not __MRC__ */ |
1a578e9b AC |
312 | |
313 | ||
314 | /* Define our own stat function for both MrC and CW. The reason for | |
315 | doing this: "stat" is both the name of a struct and function name: | |
316 | can't use the same trick like that for sys_open, sys_close, etc. to | |
317 | redirect Emacs's calls to our own version that converts Unix style | |
318 | filenames to Mac style filename because all sorts of compilation | |
319 | errors will be generated if stat is #define'd to be sys_stat. */ | |
320 | ||
321 | int | |
322 | stat_noalias (const char *path, struct stat *buf) | |
323 | { | |
324 | char mac_pathname[MAXPATHLEN+1]; | |
325 | CInfoPBRec cipb; | |
326 | ||
60fe1161 | 327 | if (posix_to_mac_pathname (path, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
328 | return -1; |
329 | ||
330 | c2pstr (mac_pathname); | |
331 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
332 | cipb.hFileInfo.ioVRefNum = 0; | |
333 | cipb.hFileInfo.ioDirID = 0; | |
334 | cipb.hFileInfo.ioFDirIndex = 0; | |
335 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 336 | |
1a578e9b AC |
337 | errno = PBGetCatInfo (&cipb, false); |
338 | if (errno == -43) /* -43: fnfErr defined in Errors.h */ | |
339 | errno = ENOENT; | |
340 | if (errno != noErr) | |
341 | return -1; | |
342 | ||
343 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* bit 4 = 1 for directories */ | |
344 | { | |
345 | buf->st_mode = S_IFDIR | S_IREAD | S_IEXEC; | |
7d0393cf | 346 | |
1a578e9b AC |
347 | if (!(cipb.hFileInfo.ioFlAttrib & 0x1)) |
348 | buf->st_mode |= S_IWRITE; /* bit 1 = 1 for locked files/directories */ | |
349 | buf->st_ino = cipb.dirInfo.ioDrDirID; | |
350 | buf->st_dev = cipb.dirInfo.ioVRefNum; | |
351 | buf->st_size = cipb.dirInfo.ioDrNmFls; | |
352 | /* size of dir = number of files and dirs */ | |
353 | buf->st_atime | |
354 | = buf->st_mtime | |
355 | = cipb.dirInfo.ioDrMdDat - MAC_UNIX_EPOCH_DIFF; | |
356 | buf->st_ctime = cipb.dirInfo.ioDrCrDat - MAC_UNIX_EPOCH_DIFF; | |
357 | } | |
358 | else | |
359 | { | |
360 | buf->st_mode = S_IFREG | S_IREAD; | |
361 | if (!(cipb.hFileInfo.ioFlAttrib & 0x1)) | |
362 | buf->st_mode |= S_IWRITE; /* bit 1 = 1 for locked files/directories */ | |
363 | if (cipb.hFileInfo.ioFlFndrInfo.fdType == 'APPL') | |
364 | buf->st_mode |= S_IEXEC; | |
365 | buf->st_ino = cipb.hFileInfo.ioDirID; | |
366 | buf->st_dev = cipb.hFileInfo.ioVRefNum; | |
367 | buf->st_size = cipb.hFileInfo.ioFlLgLen; | |
368 | buf->st_atime | |
369 | = buf->st_mtime | |
370 | = cipb.hFileInfo.ioFlMdDat - MAC_UNIX_EPOCH_DIFF; | |
371 | buf->st_ctime = cipb.hFileInfo.ioFlCrDat - MAC_UNIX_EPOCH_DIFF; | |
372 | } | |
373 | ||
374 | if (cipb.hFileInfo.ioFlFndrInfo.fdFlags & 0x8000) | |
375 | { | |
376 | /* identify alias files as symlinks */ | |
1a578e9b | 377 | buf->st_mode &= ~S_IFREG; |
3b6944ed | 378 | buf->st_mode |= S_IFLNK; |
1a578e9b AC |
379 | } |
380 | ||
381 | buf->st_nlink = 1; | |
382 | buf->st_uid = getuid (); | |
383 | buf->st_gid = getgid (); | |
384 | buf->st_rdev = 0; | |
385 | ||
386 | return 0; | |
387 | } | |
388 | ||
389 | ||
390 | int | |
391 | lstat (const char *path, struct stat *buf) | |
392 | { | |
393 | int result; | |
394 | char true_pathname[MAXPATHLEN+1]; | |
395 | ||
396 | /* Try looking for the file without resolving aliases first. */ | |
397 | if ((result = stat_noalias (path, buf)) >= 0) | |
398 | return result; | |
399 | ||
400 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) | |
401 | return -1; | |
7d0393cf | 402 | |
1a578e9b AC |
403 | return stat_noalias (true_pathname, buf); |
404 | } | |
405 | ||
406 | ||
407 | int | |
408 | stat (const char *path, struct stat *sb) | |
409 | { | |
410 | int result; | |
7d0393cf | 411 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b | 412 | int len; |
7d0393cf | 413 | |
3b6944ed AC |
414 | if ((result = stat_noalias (path, sb)) >= 0 && |
415 | ! (sb->st_mode & S_IFLNK)) | |
1a578e9b AC |
416 | return result; |
417 | ||
418 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) | |
419 | return -1; | |
7d0393cf | 420 | |
1a578e9b AC |
421 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
422 | if (len > -1) | |
423 | { | |
424 | fully_resolved_name[len] = '\0'; | |
425 | /* in fact our readlink terminates strings */ | |
426 | return lstat (fully_resolved_name, sb); | |
427 | } | |
428 | else | |
429 | return lstat (true_pathname, sb); | |
430 | } | |
431 | ||
432 | ||
433 | #if __MRC__ | |
434 | /* CW defines fstat in stat.mac.c while MPW does not provide this | |
435 | function. Without the information of how to get from a file | |
436 | descriptor in MPW StdCLib to a Mac OS file spec, it should be hard | |
437 | to implement this function. Fortunately, there is only one place | |
438 | where this function is called in our configuration: in fileio.c, | |
439 | where only the st_dev and st_ino fields are used to determine | |
440 | whether two fildes point to different i-nodes to prevent copying | |
441 | a file onto itself equal. What we have here probably needs | |
442 | improvement. */ | |
443 | ||
444 | int | |
445 | fstat (int fildes, struct stat *buf) | |
446 | { | |
447 | buf->st_dev = 0; | |
448 | buf->st_ino = fildes; | |
449 | buf->st_mode = S_IFREG; /* added by T.I. for the copy-file */ | |
450 | return 0; /* success */ | |
451 | } | |
452 | #endif /* __MRC__ */ | |
453 | ||
454 | ||
1a578e9b AC |
455 | int |
456 | mkdir (const char *dirname, int mode) | |
457 | { | |
458 | #pragma unused(mode) | |
459 | ||
460 | HFileParam hfpb; | |
461 | char true_pathname[MAXPATHLEN+1], mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 462 | |
1a578e9b AC |
463 | if (find_true_pathname (dirname, true_pathname, MAXPATHLEN+1) == -1) |
464 | return -1; | |
7d0393cf | 465 | |
60fe1161 | 466 | if (posix_to_mac_pathname (true_pathname, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
467 | return -1; |
468 | ||
469 | c2pstr (mac_pathname); | |
470 | hfpb.ioNamePtr = mac_pathname; | |
471 | hfpb.ioVRefNum = 0; /* ignored unless name is invalid */ | |
472 | hfpb.ioDirID = 0; /* parent is the root */ | |
7d0393cf | 473 | |
1a578e9b AC |
474 | errno = PBDirCreate ((HParmBlkPtr) &hfpb, false); |
475 | /* just return the Mac OSErr code for now */ | |
476 | return errno == noErr ? 0 : -1; | |
477 | } | |
478 | ||
479 | ||
480 | #undef rmdir | |
481 | sys_rmdir (const char *dirname) | |
482 | { | |
483 | HFileParam hfpb; | |
484 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 485 | |
60fe1161 | 486 | if (posix_to_mac_pathname (dirname, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
487 | return -1; |
488 | ||
489 | c2pstr (mac_pathname); | |
490 | hfpb.ioNamePtr = mac_pathname; | |
491 | hfpb.ioVRefNum = 0; /* ignored unless name is invalid */ | |
492 | hfpb.ioDirID = 0; /* parent is the root */ | |
7d0393cf | 493 | |
1a578e9b AC |
494 | errno = PBHDelete ((HParmBlkPtr) &hfpb, false); |
495 | return errno == noErr ? 0 : -1; | |
496 | } | |
497 | ||
498 | ||
499 | #ifdef __MRC__ | |
500 | /* No implementation yet. */ | |
501 | int | |
502 | execvp (const char *path, ...) | |
503 | { | |
504 | return -1; | |
505 | } | |
506 | #endif /* __MRC__ */ | |
507 | ||
508 | ||
509 | int | |
510 | utime (const char *path, const struct utimbuf *times) | |
511 | { | |
7d0393cf | 512 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
513 | int len; |
514 | char mac_pathname[MAXPATHLEN+1]; | |
515 | CInfoPBRec cipb; | |
7d0393cf | 516 | |
1a578e9b AC |
517 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
518 | return -1; | |
7d0393cf | 519 | |
1a578e9b AC |
520 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
521 | if (len > -1) | |
522 | fully_resolved_name[len] = '\0'; | |
523 | else | |
524 | strcpy (fully_resolved_name, true_pathname); | |
525 | ||
60fe1161 | 526 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
527 | return -1; |
528 | ||
529 | c2pstr (mac_pathname); | |
530 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
531 | cipb.hFileInfo.ioVRefNum = 0; | |
532 | cipb.hFileInfo.ioDirID = 0; | |
7d0393cf | 533 | cipb.hFileInfo.ioFDirIndex = 0; |
1a578e9b | 534 | /* set to 0 to get information about specific dir or file */ |
7d0393cf | 535 | |
1a578e9b AC |
536 | errno = PBGetCatInfo (&cipb, false); |
537 | if (errno != noErr) | |
538 | return -1; | |
539 | ||
540 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* bit 4 = 1 for directories */ | |
541 | { | |
542 | if (times) | |
543 | cipb.dirInfo.ioDrMdDat = times->modtime + MAC_UNIX_EPOCH_DIFF; | |
544 | else | |
545 | GetDateTime (&cipb.dirInfo.ioDrMdDat); | |
546 | } | |
547 | else | |
548 | { | |
549 | if (times) | |
550 | cipb.hFileInfo.ioFlMdDat = times->modtime + MAC_UNIX_EPOCH_DIFF; | |
551 | else | |
552 | GetDateTime (&cipb.hFileInfo.ioFlMdDat); | |
553 | } | |
554 | ||
555 | errno = PBSetCatInfo (&cipb, false); | |
556 | return errno == noErr ? 0 : -1; | |
557 | } | |
558 | ||
559 | ||
560 | #ifndef F_OK | |
561 | #define F_OK 0 | |
562 | #endif | |
563 | #ifndef X_OK | |
564 | #define X_OK 1 | |
565 | #endif | |
566 | #ifndef W_OK | |
567 | #define W_OK 2 | |
568 | #endif | |
569 | ||
570 | /* Like stat, but test for access mode in hfpb.ioFlAttrib */ | |
571 | int | |
572 | access (const char *path, int mode) | |
573 | { | |
7d0393cf | 574 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
575 | int len; |
576 | char mac_pathname[MAXPATHLEN+1]; | |
577 | CInfoPBRec cipb; | |
7d0393cf | 578 | |
1a578e9b AC |
579 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
580 | return -1; | |
7d0393cf | 581 | |
1a578e9b AC |
582 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
583 | if (len > -1) | |
584 | fully_resolved_name[len] = '\0'; | |
585 | else | |
586 | strcpy (fully_resolved_name, true_pathname); | |
587 | ||
60fe1161 | 588 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
589 | return -1; |
590 | ||
591 | c2pstr (mac_pathname); | |
592 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
593 | cipb.hFileInfo.ioVRefNum = 0; | |
594 | cipb.hFileInfo.ioDirID = 0; | |
595 | cipb.hFileInfo.ioFDirIndex = 0; | |
596 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 597 | |
1a578e9b AC |
598 | errno = PBGetCatInfo (&cipb, false); |
599 | if (errno != noErr) | |
600 | return -1; | |
601 | ||
602 | if (mode == F_OK) /* got this far, file exists */ | |
603 | return 0; | |
604 | ||
605 | if (mode & X_OK) | |
606 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* path refers to a directory */ | |
607 | return 0; | |
608 | else | |
609 | { | |
610 | if (cipb.hFileInfo.ioFlFndrInfo.fdType == 'APPL') | |
611 | return 0; | |
612 | else | |
613 | return -1; | |
614 | } | |
615 | ||
616 | if (mode & W_OK) | |
617 | return (cipb.hFileInfo.ioFlAttrib & 0x1) ? -1 : 0; | |
618 | /* don't allow if lock bit is on */ | |
619 | ||
620 | return -1; | |
621 | } | |
622 | ||
623 | ||
624 | #define DEV_NULL_FD 0x10000 | |
625 | ||
626 | #undef open | |
627 | int | |
628 | sys_open (const char *path, int oflag) | |
629 | { | |
7d0393cf | 630 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
631 | int len; |
632 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 633 | |
1a578e9b AC |
634 | if (strcmp (path, "/dev/null") == 0) |
635 | return DEV_NULL_FD; /* some bogus fd to be ignored in write */ | |
7d0393cf | 636 | |
1a578e9b AC |
637 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
638 | return -1; | |
7d0393cf | 639 | |
1a578e9b AC |
640 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
641 | if (len > -1) | |
642 | fully_resolved_name[len] = '\0'; | |
643 | else | |
644 | strcpy (fully_resolved_name, true_pathname); | |
645 | ||
60fe1161 | 646 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
647 | return -1; |
648 | else | |
649 | { | |
650 | #ifdef __MRC__ | |
3b6944ed AC |
651 | int res = open (mac_pathname, oflag); |
652 | /* if (oflag == O_WRONLY || oflag == O_RDWR) */ | |
653 | if (oflag & O_CREAT) | |
1a578e9b | 654 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); |
3b6944ed | 655 | return res; |
e0f712ba | 656 | #else /* not __MRC__ */ |
1a578e9b | 657 | return open (mac_pathname, oflag); |
e0f712ba | 658 | #endif /* not __MRC__ */ |
1a578e9b AC |
659 | } |
660 | } | |
661 | ||
662 | ||
663 | #undef creat | |
664 | int | |
665 | sys_creat (const char *path, mode_t mode) | |
666 | { | |
7d0393cf | 667 | char true_pathname[MAXPATHLEN+1]; |
1a578e9b AC |
668 | int len; |
669 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 670 | |
1a578e9b AC |
671 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
672 | return -1; | |
673 | ||
60fe1161 | 674 | if (!posix_to_mac_pathname (true_pathname, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
675 | return -1; |
676 | else | |
677 | { | |
678 | #ifdef __MRC__ | |
679 | int result = creat (mac_pathname); | |
680 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); | |
681 | return result; | |
e0f712ba | 682 | #else /* not __MRC__ */ |
1a578e9b | 683 | return creat (mac_pathname, mode); |
e0f712ba | 684 | #endif /* not __MRC__ */ |
1a578e9b AC |
685 | } |
686 | } | |
687 | ||
688 | ||
689 | #undef unlink | |
690 | int | |
691 | sys_unlink (const char *path) | |
692 | { | |
7d0393cf | 693 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
694 | int len; |
695 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 696 | |
1a578e9b AC |
697 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
698 | return -1; | |
7d0393cf | 699 | |
1a578e9b AC |
700 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
701 | if (len > -1) | |
702 | fully_resolved_name[len] = '\0'; | |
703 | else | |
704 | strcpy (fully_resolved_name, true_pathname); | |
705 | ||
60fe1161 | 706 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
707 | return -1; |
708 | else | |
709 | return unlink (mac_pathname); | |
710 | } | |
711 | ||
712 | ||
713 | #undef read | |
714 | int | |
715 | sys_read (int fildes, char *buf, int count) | |
716 | { | |
717 | if (fildes == 0) /* this should not be used for console input */ | |
718 | return -1; | |
719 | else | |
e0f712ba | 720 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
721 | return _read (fildes, buf, count); |
722 | #else | |
723 | return read (fildes, buf, count); | |
724 | #endif | |
725 | } | |
726 | ||
727 | ||
728 | #undef write | |
729 | int | |
730 | sys_write (int fildes, const char *buf, int count) | |
731 | { | |
732 | if (fildes == DEV_NULL_FD) | |
733 | return count; | |
734 | else | |
e0f712ba | 735 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
736 | return _write (fildes, buf, count); |
737 | #else | |
738 | return write (fildes, buf, count); | |
739 | #endif | |
740 | } | |
741 | ||
742 | ||
743 | #undef rename | |
744 | int | |
745 | sys_rename (const char * old_name, const char * new_name) | |
746 | { | |
747 | char true_old_pathname[MAXPATHLEN+1], true_new_pathname[MAXPATHLEN+1]; | |
7d0393cf | 748 | char fully_resolved_old_name[MAXPATHLEN+1]; |
1a578e9b AC |
749 | int len; |
750 | char mac_old_name[MAXPATHLEN+1], mac_new_name[MAXPATHLEN+1]; | |
7d0393cf | 751 | |
1a578e9b AC |
752 | if (find_true_pathname (old_name, true_old_pathname, MAXPATHLEN+1) == -1) |
753 | return -1; | |
7d0393cf | 754 | |
1a578e9b AC |
755 | len = readlink (true_old_pathname, fully_resolved_old_name, MAXPATHLEN); |
756 | if (len > -1) | |
757 | fully_resolved_old_name[len] = '\0'; | |
758 | else | |
759 | strcpy (fully_resolved_old_name, true_old_pathname); | |
760 | ||
761 | if (find_true_pathname (new_name, true_new_pathname, MAXPATHLEN+1) == -1) | |
762 | return -1; | |
7d0393cf | 763 | |
1a578e9b AC |
764 | if (strcmp (fully_resolved_old_name, true_new_pathname) == 0) |
765 | return 0; | |
766 | ||
60fe1161 | 767 | if (!posix_to_mac_pathname (fully_resolved_old_name, |
1a578e9b AC |
768 | mac_old_name, |
769 | MAXPATHLEN+1)) | |
770 | return -1; | |
7d0393cf | 771 | |
60fe1161 | 772 | if (!posix_to_mac_pathname(true_new_pathname, mac_new_name, MAXPATHLEN+1)) |
1a578e9b AC |
773 | return -1; |
774 | ||
775 | /* If a file with new_name already exists, rename deletes the old | |
776 | file in Unix. CW version fails in these situation. So we add a | |
777 | call to unlink here. */ | |
778 | (void) unlink (mac_new_name); | |
7d0393cf | 779 | |
1a578e9b AC |
780 | return rename (mac_old_name, mac_new_name); |
781 | } | |
782 | ||
783 | ||
784 | #undef fopen | |
785 | extern FILE *fopen (const char *name, const char *mode); | |
786 | FILE * | |
787 | sys_fopen (const char *name, const char *mode) | |
788 | { | |
7d0393cf | 789 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
790 | int len; |
791 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 792 | |
1a578e9b AC |
793 | if (find_true_pathname (name, true_pathname, MAXPATHLEN+1) == -1) |
794 | return 0; | |
7d0393cf | 795 | |
1a578e9b AC |
796 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
797 | if (len > -1) | |
798 | fully_resolved_name[len] = '\0'; | |
799 | else | |
800 | strcpy (fully_resolved_name, true_pathname); | |
801 | ||
60fe1161 | 802 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
803 | return 0; |
804 | else | |
805 | { | |
806 | #ifdef __MRC__ | |
807 | if (mode[0] == 'w' || mode[0] == 'a') | |
808 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); | |
e0f712ba | 809 | #endif /* not __MRC__ */ |
1a578e9b AC |
810 | return fopen (mac_pathname, mode); |
811 | } | |
812 | } | |
813 | ||
814 | ||
815 | #include <Events.h> | |
816 | ||
817 | long target_ticks = 0; | |
818 | ||
819 | #ifdef __MRC__ | |
820 | __sigfun alarm_signal_func = (__sigfun) 0; | |
821 | #elif __MWERKS__ | |
822 | __signal_func_ptr alarm_signal_func = (__signal_func_ptr) 0; | |
e0f712ba | 823 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 824 | You lose!!! |
e0f712ba | 825 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
826 | |
827 | ||
828 | /* These functions simulate SIG_ALRM. The stub for function signal | |
829 | stores the signal handler function in alarm_signal_func if a | |
830 | SIG_ALRM is encountered. check_alarm is called in XTread_socket, | |
831 | which emacs calls periodically. A pending alarm is represented by | |
832 | a non-zero target_ticks value. check_alarm calls the handler | |
833 | function pointed to by alarm_signal_func if one has been set up and | |
834 | an alarm is pending. */ | |
835 | ||
836 | void | |
837 | check_alarm () | |
838 | { | |
839 | if (target_ticks && TickCount () > target_ticks) | |
840 | { | |
841 | target_ticks = 0; | |
842 | if (alarm_signal_func) | |
843 | (*alarm_signal_func)(SIGALRM); | |
844 | } | |
845 | } | |
846 | ||
847 | ||
848 | int | |
e0f712ba | 849 | select (n, rfds, wfds, efds, timeout) |
1a578e9b AC |
850 | int n; |
851 | SELECT_TYPE *rfds; | |
852 | SELECT_TYPE *wfds; | |
853 | SELECT_TYPE *efds; | |
854 | struct timeval *timeout; | |
855 | { | |
e0f712ba AC |
856 | #ifdef TARGET_API_MAC_CARBON |
857 | return 1; | |
858 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
859 | EMACS_TIME end_time, now; |
860 | EventRecord e; | |
1a578e9b AC |
861 | |
862 | /* Can only handle wait for keyboard input. */ | |
863 | if (n > 1 || wfds || efds) | |
864 | return -1; | |
865 | ||
866 | EMACS_GET_TIME (end_time); | |
867 | EMACS_ADD_TIME (end_time, end_time, *timeout); | |
7d0393cf | 868 | |
1a578e9b AC |
869 | do |
870 | { | |
871 | /* Also return true if an event other than a keyDown has | |
872 | occurred. This causes kbd_buffer_get_event in keyboard.c to | |
873 | call read_avail_input which in turn calls XTread_socket to | |
874 | poll for these events. Otherwise these never get processed | |
875 | except but a very slow poll timer. */ | |
876 | if (FD_ISSET (0, rfds) && EventAvail (everyEvent, &e)) | |
877 | return 1; | |
878 | ||
879 | /* Also check movement of the mouse. */ | |
880 | { | |
881 | Point mouse_pos; | |
882 | static Point old_mouse_pos = {-1, -1}; | |
7d0393cf | 883 | |
1a578e9b AC |
884 | GetMouse (&mouse_pos); |
885 | if (!EqualPt (mouse_pos, old_mouse_pos)) | |
886 | { | |
887 | old_mouse_pos = mouse_pos; | |
888 | return 1; | |
889 | } | |
890 | } | |
7d0393cf | 891 | |
e0f712ba AC |
892 | WaitNextEvent (0, &e, 1UL, NULL); /* Accept no event; wait 1 |
893 | tic. by T.I. */ | |
7d0393cf | 894 | |
1a578e9b AC |
895 | EMACS_GET_TIME (now); |
896 | EMACS_SUB_TIME (now, end_time, now); | |
897 | } | |
898 | while (!EMACS_TIME_NEG_P (now)); | |
899 | ||
900 | return 0; | |
e0f712ba | 901 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
902 | } |
903 | ||
904 | ||
905 | /* Called in sys_select to wait for an alarm signal to arrive. */ | |
906 | ||
907 | int | |
908 | pause () | |
909 | { | |
fa0b4c14 AC |
910 | EventRecord e; |
911 | unsigned long tick; | |
7d0393cf | 912 | |
1a578e9b AC |
913 | if (!target_ticks) /* no alarm pending */ |
914 | return -1; | |
915 | ||
e0f712ba AC |
916 | if ((tick = TickCount ()) < target_ticks) |
917 | WaitNextEvent (0, &e, target_ticks - tick, NULL); /* Accept no event; | |
918 | just wait. by T.I. */ | |
7d0393cf | 919 | |
1a578e9b AC |
920 | target_ticks = 0; |
921 | if (alarm_signal_func) | |
922 | (*alarm_signal_func)(SIGALRM); | |
7d0393cf | 923 | |
1a578e9b AC |
924 | return 0; |
925 | } | |
926 | ||
927 | ||
928 | int | |
929 | alarm (int seconds) | |
930 | { | |
931 | long remaining = target_ticks ? (TickCount () - target_ticks) / 60 : 0; | |
7d0393cf | 932 | |
1a578e9b | 933 | target_ticks = seconds ? TickCount () + 60 * seconds : 0; |
7d0393cf | 934 | |
1a578e9b AC |
935 | return (remaining < 0) ? 0 : (unsigned int) remaining; |
936 | } | |
937 | ||
938 | ||
939 | #undef signal | |
940 | #ifdef __MRC__ | |
941 | extern __sigfun signal (int signal, __sigfun signal_func); | |
942 | __sigfun | |
943 | sys_signal (int signal_num, __sigfun signal_func) | |
944 | #elif __MWERKS__ | |
945 | extern __signal_func_ptr signal (int signal, __signal_func_ptr signal_func); | |
946 | __signal_func_ptr | |
947 | sys_signal (int signal_num, __signal_func_ptr signal_func) | |
e0f712ba | 948 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 949 | You lose!!! |
e0f712ba | 950 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
951 | { |
952 | if (signal_num != SIGALRM) | |
953 | return signal (signal_num, signal_func); | |
954 | else | |
955 | { | |
956 | #ifdef __MRC__ | |
7d0393cf | 957 | __sigfun old_signal_func; |
1a578e9b | 958 | #elif __MWERKS__ |
7d0393cf | 959 | __signal_func_ptr old_signal_func; |
1a578e9b AC |
960 | #else |
961 | You lose!!! | |
962 | #endif | |
963 | old_signal_func = alarm_signal_func; | |
964 | alarm_signal_func = signal_func; | |
965 | return old_signal_func; | |
966 | } | |
967 | } | |
968 | ||
969 | ||
970 | /* gettimeofday should return the amount of time (in a timeval | |
971 | structure) since midnight today. The toolbox function Microseconds | |
972 | returns the number of microseconds (in a UnsignedWide value) since | |
973 | the machine was booted. Also making this complicated is WideAdd, | |
974 | WideSubtract, etc. take wide values. */ | |
975 | ||
976 | int | |
977 | gettimeofday (tp) | |
978 | struct timeval *tp; | |
979 | { | |
980 | static inited = 0; | |
981 | static wide wall_clock_at_epoch, clicks_at_epoch; | |
982 | UnsignedWide uw_microseconds; | |
983 | wide w_microseconds; | |
984 | time_t sys_time (time_t *); | |
985 | ||
986 | /* If this function is called for the first time, record the number | |
987 | of seconds since midnight and the number of microseconds since | |
988 | boot at the time of this first call. */ | |
989 | if (!inited) | |
990 | { | |
991 | time_t systime; | |
992 | inited = 1; | |
993 | systime = sys_time (NULL); | |
994 | /* Store microseconds since midnight in wall_clock_at_epoch. */ | |
995 | WideMultiply (systime, 1000000L, &wall_clock_at_epoch); | |
996 | Microseconds (&uw_microseconds); | |
997 | /* Store microseconds since boot in clicks_at_epoch. */ | |
998 | clicks_at_epoch.hi = uw_microseconds.hi; | |
999 | clicks_at_epoch.lo = uw_microseconds.lo; | |
1000 | } | |
1001 | ||
1002 | /* Get time since boot */ | |
1003 | Microseconds (&uw_microseconds); | |
7d0393cf | 1004 | |
1a578e9b AC |
1005 | /* Convert to time since midnight*/ |
1006 | w_microseconds.hi = uw_microseconds.hi; | |
1007 | w_microseconds.lo = uw_microseconds.lo; | |
1008 | WideSubtract (&w_microseconds, &clicks_at_epoch); | |
1009 | WideAdd (&w_microseconds, &wall_clock_at_epoch); | |
1010 | tp->tv_sec = WideDivide (&w_microseconds, 1000000L, &tp->tv_usec); | |
1011 | ||
1012 | return 0; | |
1013 | } | |
1014 | ||
1015 | ||
1016 | #ifdef __MRC__ | |
1017 | unsigned int | |
1018 | sleep (unsigned int seconds) | |
1019 | { | |
bc04fb2c | 1020 | unsigned long time_up; |
fa0b4c14 AC |
1021 | EventRecord e; |
1022 | ||
bc04fb2c AC |
1023 | time_up = TickCount () + seconds * 60; |
1024 | while (TickCount () < time_up) | |
1025 | { | |
1026 | /* Accept no event; just wait. by T.I. */ | |
1027 | WaitNextEvent (0, &e, 30, NULL); | |
1028 | } | |
1a578e9b | 1029 | |
1a578e9b AC |
1030 | return (0); |
1031 | } | |
1032 | #endif /* __MRC__ */ | |
1033 | ||
1034 | ||
1035 | /* The time functions adjust time values according to the difference | |
1036 | between the Unix and CW epoches. */ | |
1037 | ||
1038 | #undef gmtime | |
1039 | extern struct tm *gmtime (const time_t *); | |
1040 | struct tm * | |
1041 | sys_gmtime (const time_t *timer) | |
1042 | { | |
1043 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
7d0393cf | 1044 | |
1a578e9b AC |
1045 | return gmtime (&unix_time); |
1046 | } | |
1047 | ||
1048 | ||
1049 | #undef localtime | |
1050 | extern struct tm *localtime (const time_t *); | |
1051 | struct tm * | |
1052 | sys_localtime (const time_t *timer) | |
1053 | { | |
e0f712ba | 1054 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1055 | time_t unix_time = *timer; |
1056 | #else | |
1057 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1058 | #endif | |
7d0393cf | 1059 | |
1a578e9b AC |
1060 | return localtime (&unix_time); |
1061 | } | |
1062 | ||
1063 | ||
1064 | #undef ctime | |
1065 | extern char *ctime (const time_t *); | |
1066 | char * | |
1067 | sys_ctime (const time_t *timer) | |
1068 | { | |
e0f712ba | 1069 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1070 | time_t unix_time = *timer; |
1071 | #else | |
1072 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1073 | #endif | |
7d0393cf | 1074 | |
1a578e9b AC |
1075 | return ctime (&unix_time); |
1076 | } | |
1077 | ||
1078 | ||
1079 | #undef time | |
1080 | extern time_t time (time_t *); | |
1081 | time_t | |
1082 | sys_time (time_t *timer) | |
1083 | { | |
e0f712ba | 1084 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1085 | time_t mac_time = time (NULL); |
1086 | #else | |
1087 | time_t mac_time = time (NULL) - CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1088 | #endif | |
1089 | ||
1090 | if (timer) | |
1091 | *timer = mac_time; | |
7d0393cf | 1092 | |
1a578e9b AC |
1093 | return mac_time; |
1094 | } | |
1095 | ||
1096 | ||
1097 | /* MPW strftime broken for "%p" format */ | |
1098 | #ifdef __MRC__ | |
1099 | #undef strftime | |
1100 | #include <time.h> | |
1101 | size_t | |
1102 | sys_strftime (char * s, size_t maxsize, const char * format, | |
1103 | const struct tm * timeptr) | |
1104 | { | |
1105 | if (strcmp (format, "%p") == 0) | |
1106 | { | |
1107 | if (maxsize < 3) | |
1108 | return 0; | |
1109 | if (timeptr->tm_hour < 12) | |
1110 | { | |
1111 | strcpy (s, "AM"); | |
1112 | return 2; | |
1113 | } | |
1114 | else | |
1115 | { | |
1116 | strcpy (s, "PM"); | |
1117 | return 2; | |
1118 | } | |
1119 | } | |
1120 | else | |
1121 | return strftime (s, maxsize, format, timeptr); | |
1122 | } | |
1123 | #endif /* __MRC__ */ | |
1124 | ||
1125 | ||
1126 | /* no subprocesses, empty wait */ | |
1127 | ||
1128 | int | |
1129 | wait (int pid) | |
1130 | { | |
1131 | return 0; | |
1132 | } | |
1133 | ||
1134 | ||
1135 | void | |
1136 | croak (char *badfunc) | |
1137 | { | |
1138 | printf ("%s not yet implemented\r\n", badfunc); | |
1139 | exit (1); | |
1140 | } | |
1141 | ||
1142 | ||
1143 | char * | |
1144 | index (const char * str, int chr) | |
1145 | { | |
1146 | return strchr (str, chr); | |
1147 | } | |
1148 | ||
1149 | ||
1150 | char * | |
1151 | mktemp (char *template) | |
1152 | { | |
1153 | int len, k; | |
1154 | static seqnum = 0; | |
7d0393cf | 1155 | |
1a578e9b AC |
1156 | len = strlen (template); |
1157 | k = len - 1; | |
1158 | while (k >= 0 && template[k] == 'X') | |
1159 | k--; | |
7d0393cf | 1160 | |
1a578e9b | 1161 | k++; /* make k index of first 'X' */ |
7d0393cf | 1162 | |
1a578e9b AC |
1163 | if (k < len) |
1164 | { | |
1165 | /* Zero filled, number of digits equal to the number of X's. */ | |
1166 | sprintf (&template[k], "%0*d", len-k, seqnum++); | |
7d0393cf | 1167 | |
1a578e9b AC |
1168 | return template; |
1169 | } | |
1170 | else | |
7d0393cf | 1171 | return 0; |
1a578e9b AC |
1172 | } |
1173 | ||
1174 | ||
1175 | /* Emulate getpwuid, getpwnam and others. */ | |
1176 | ||
1177 | #define PASSWD_FIELD_SIZE 256 | |
1178 | ||
1179 | static char my_passwd_name[PASSWD_FIELD_SIZE]; | |
1180 | static char my_passwd_dir[MAXPATHLEN+1]; | |
1181 | ||
7d0393cf | 1182 | static struct passwd my_passwd = |
1a578e9b AC |
1183 | { |
1184 | my_passwd_name, | |
1185 | my_passwd_dir, | |
1186 | }; | |
1187 | ||
49e7a2c0 LH |
1188 | static struct group my_group = |
1189 | { | |
1190 | /* There are no groups on the mac, so we just return "root" as the | |
1191 | group name. */ | |
1192 | "root", | |
1193 | }; | |
1194 | ||
1a578e9b AC |
1195 | |
1196 | /* Initialized by main () in macterm.c to pathname of emacs directory. */ | |
1197 | ||
1198 | char emacs_passwd_dir[MAXPATHLEN+1]; | |
1199 | ||
1200 | char * | |
1201 | getwd (char *); | |
1202 | ||
1203 | void | |
1204 | init_emacs_passwd_dir () | |
1205 | { | |
1206 | int found = false; | |
1207 | ||
1208 | if (getwd (emacs_passwd_dir) && getwd (my_passwd_dir)) | |
1209 | { | |
1210 | /* Need pathname of first ancestor that begins with "emacs" | |
1211 | since Mac emacs application is somewhere in the emacs-* | |
1212 | tree. */ | |
1213 | int len = strlen (emacs_passwd_dir); | |
1214 | int j = len - 1; | |
1215 | /* j points to the "/" following the directory name being | |
1216 | compared. */ | |
1217 | int i = j - 1; | |
1218 | while (i >= 0 && !found) | |
1219 | { | |
1220 | while (i >= 0 && emacs_passwd_dir[i] != '/') | |
1221 | i--; | |
1222 | if (emacs_passwd_dir[i] == '/' && i+5 < len) | |
1223 | found = (strncmp (&(emacs_passwd_dir[i+1]), "emacs", 5) == 0); | |
1224 | if (found) | |
1225 | emacs_passwd_dir[j+1] = '\0'; | |
1226 | else | |
1227 | { | |
1228 | j = i; | |
1229 | i = j - 1; | |
1230 | } | |
1231 | } | |
1232 | } | |
7d0393cf | 1233 | |
1a578e9b AC |
1234 | if (!found) |
1235 | { | |
1236 | /* Setting to "/" probably won't work but set it to something | |
1237 | anyway. */ | |
1238 | strcpy (emacs_passwd_dir, "/"); | |
1239 | strcpy (my_passwd_dir, "/"); | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | ||
7d0393cf | 1244 | static struct passwd emacs_passwd = |
1a578e9b AC |
1245 | { |
1246 | "emacs", | |
1247 | emacs_passwd_dir, | |
1248 | }; | |
1249 | ||
1250 | static int my_passwd_inited = 0; | |
1251 | ||
1252 | ||
1253 | static void | |
1254 | init_my_passwd () | |
1255 | { | |
1256 | char **owner_name; | |
1257 | ||
1258 | /* Note: my_passwd_dir initialized in int_emacs_passwd_dir to | |
1259 | directory where Emacs was started. */ | |
1260 | ||
1261 | owner_name = (char **) GetResource ('STR ',-16096); | |
1262 | if (owner_name) | |
1263 | { | |
1264 | HLock (owner_name); | |
1265 | BlockMove ((unsigned char *) *owner_name, | |
1266 | (unsigned char *) my_passwd_name, | |
1267 | *owner_name[0]+1); | |
1268 | HUnlock (owner_name); | |
1269 | p2cstr ((unsigned char *) my_passwd_name); | |
1270 | } | |
1271 | else | |
1272 | my_passwd_name[0] = 0; | |
1273 | } | |
1274 | ||
1275 | ||
1276 | struct passwd * | |
1277 | getpwuid (uid_t uid) | |
1278 | { | |
1279 | if (!my_passwd_inited) | |
7d0393cf | 1280 | { |
1a578e9b AC |
1281 | init_my_passwd (); |
1282 | my_passwd_inited = 1; | |
1283 | } | |
7d0393cf | 1284 | |
1a578e9b AC |
1285 | return &my_passwd; |
1286 | } | |
1287 | ||
1288 | ||
49e7a2c0 LH |
1289 | struct group * |
1290 | getgrgid (gid_t gid) | |
1291 | { | |
1292 | return &my_group; | |
1293 | } | |
1294 | ||
1295 | ||
1a578e9b AC |
1296 | struct passwd * |
1297 | getpwnam (const char *name) | |
1298 | { | |
1299 | if (strcmp (name, "emacs") == 0) | |
1300 | return &emacs_passwd; | |
1301 | ||
1302 | if (!my_passwd_inited) | |
7d0393cf | 1303 | { |
1a578e9b AC |
1304 | init_my_passwd (); |
1305 | my_passwd_inited = 1; | |
1306 | } | |
7d0393cf | 1307 | |
1a578e9b AC |
1308 | return &my_passwd; |
1309 | } | |
1310 | ||
1311 | ||
1312 | /* The functions fork, kill, sigsetmask, sigblock, request_sigio, | |
1313 | setpgrp, setpriority, and unrequest_sigio are defined to be empty | |
1314 | as in msdos.c. */ | |
1315 | ||
1316 | ||
1317 | int | |
1318 | fork () | |
1319 | { | |
1320 | return -1; | |
1321 | } | |
1322 | ||
1323 | ||
1324 | int | |
1325 | kill (int x, int y) | |
1326 | { | |
1327 | return -1; | |
1328 | } | |
1329 | ||
1330 | ||
1331 | void | |
1332 | sys_subshell () | |
1333 | { | |
1334 | error ("Can't spawn subshell"); | |
1335 | } | |
1336 | ||
1337 | ||
1338 | int | |
1339 | sigsetmask (int x) | |
1340 | { | |
1341 | return 0; | |
1342 | } | |
1343 | ||
1344 | ||
1345 | int | |
1346 | sigblock (int mask) | |
1347 | { | |
1348 | return 0; | |
7d0393cf | 1349 | } |
1a578e9b AC |
1350 | |
1351 | ||
1352 | void | |
1353 | request_sigio (void) | |
1354 | { | |
1355 | } | |
1356 | ||
1357 | ||
1358 | void | |
1359 | unrequest_sigio (void) | |
1360 | { | |
1361 | } | |
1362 | ||
1363 | ||
1364 | int | |
1365 | setpgrp () | |
1366 | { | |
1367 | return 0; | |
1368 | } | |
1369 | ||
1370 | ||
1371 | /* No pipes yet. */ | |
1372 | ||
1373 | int | |
1374 | pipe (int _fildes[2]) | |
1375 | { | |
1376 | errno = EACCES; | |
1377 | return -1; | |
1378 | } | |
1379 | ||
1380 | ||
1381 | /* Hard and symbolic links. */ | |
1382 | ||
1383 | int | |
1384 | symlink (const char *name1, const char *name2) | |
1385 | { | |
1386 | errno = ENOENT; | |
1387 | return -1; | |
1388 | } | |
1389 | ||
1390 | ||
1391 | int | |
1392 | link (const char *name1, const char *name2) | |
1393 | { | |
1394 | errno = ENOENT; | |
1395 | return -1; | |
1396 | } | |
1397 | ||
e0f712ba | 1398 | #endif /* ! MAC_OSX */ |
1a578e9b AC |
1399 | |
1400 | /* Determine the path name of the file specified by VREFNUM, DIRID, | |
1401 | and NAME and place that in the buffer PATH of length | |
1402 | MAXPATHLEN. */ | |
1403 | int | |
1404 | path_from_vol_dir_name (char *path, int man_path_len, short vol_ref_num, | |
1405 | long dir_id, ConstStr255Param name) | |
1406 | { | |
1407 | Str255 dir_name; | |
1408 | CInfoPBRec cipb; | |
1409 | OSErr err; | |
1410 | ||
1411 | if (strlen (name) > man_path_len) | |
1412 | return 0; | |
1413 | ||
1414 | memcpy (dir_name, name, name[0]+1); | |
1415 | memcpy (path, name, name[0]+1); | |
1416 | p2cstr (path); | |
1417 | ||
1418 | cipb.dirInfo.ioDrParID = dir_id; | |
1419 | cipb.dirInfo.ioNamePtr = dir_name; | |
1420 | ||
1421 | do | |
1422 | { | |
1423 | cipb.dirInfo.ioVRefNum = vol_ref_num; | |
1424 | cipb.dirInfo.ioFDirIndex = -1; | |
1425 | cipb.dirInfo.ioDrDirID = cipb.dirInfo.ioDrParID; | |
1426 | /* go up to parent each time */ | |
1427 | ||
1428 | err = PBGetCatInfo (&cipb, false); | |
1429 | if (err != noErr) | |
1430 | return 0; | |
7d0393cf | 1431 | |
1a578e9b AC |
1432 | p2cstr (dir_name); |
1433 | if (strlen (dir_name) + strlen (path) + 1 >= man_path_len) | |
1434 | return 0; | |
1435 | ||
1436 | strcat (dir_name, ":"); | |
1437 | strcat (dir_name, path); | |
1438 | /* attach to front since we're going up directory tree */ | |
1439 | strcpy (path, dir_name); | |
1440 | } | |
1441 | while (cipb.dirInfo.ioDrDirID != fsRtDirID); | |
1442 | /* stop when we see the volume's root directory */ | |
7d0393cf | 1443 | |
1a578e9b AC |
1444 | return 1; /* success */ |
1445 | } | |
1446 | ||
e0f712ba | 1447 | #ifndef MAC_OSX |
1a578e9b AC |
1448 | |
1449 | int | |
1450 | readlink (const char *path, char *buf, int bufsiz) | |
1451 | { | |
1452 | char mac_sym_link_name[MAXPATHLEN+1]; | |
1453 | OSErr err; | |
1454 | FSSpec fsspec; | |
1455 | Boolean target_is_folder, was_aliased; | |
1456 | Str255 directory_name, mac_pathname; | |
1457 | CInfoPBRec cipb; | |
1458 | ||
60fe1161 | 1459 | if (posix_to_mac_pathname (path, mac_sym_link_name, MAXPATHLEN+1) == 0) |
1a578e9b AC |
1460 | return -1; |
1461 | ||
1462 | c2pstr (mac_sym_link_name); | |
1463 | err = FSMakeFSSpec (0, 0, mac_sym_link_name, &fsspec); | |
1464 | if (err != noErr) | |
1465 | { | |
1466 | errno = ENOENT; | |
1467 | return -1; | |
1468 | } | |
1469 | ||
1470 | err = ResolveAliasFile (&fsspec, true, &target_is_folder, &was_aliased); | |
1471 | if (err != noErr || !was_aliased) | |
1472 | { | |
1473 | errno = ENOENT; | |
1474 | return -1; | |
1475 | } | |
1476 | ||
1477 | if (path_from_vol_dir_name (mac_pathname, 255, fsspec.vRefNum, fsspec.parID, | |
1478 | fsspec.name) == 0) | |
1479 | { | |
1480 | errno = ENOENT; | |
1481 | return -1; | |
1482 | } | |
1483 | ||
60fe1161 | 1484 | if (mac_to_posix_pathname (mac_pathname, buf, bufsiz) == 0) |
1a578e9b AC |
1485 | { |
1486 | errno = ENOENT; | |
1487 | return -1; | |
1488 | } | |
1489 | ||
1490 | return strlen (buf); | |
1491 | } | |
1492 | ||
1493 | ||
1494 | /* Convert a path to one with aliases fully expanded. */ | |
1495 | ||
1496 | static int | |
1497 | find_true_pathname (const char *path, char *buf, int bufsiz) | |
1498 | { | |
1499 | char *q, temp[MAXPATHLEN+1]; | |
1500 | const char *p; | |
1501 | int len; | |
1502 | ||
1503 | if (bufsiz <= 0 || path == 0 || path[0] == '\0') | |
1504 | return -1; | |
1505 | ||
1506 | buf[0] = '\0'; | |
7d0393cf | 1507 | |
1a578e9b AC |
1508 | p = path; |
1509 | if (*p == '/') | |
1510 | q = strchr (p + 1, '/'); | |
1511 | else | |
1512 | q = strchr (p, '/'); | |
1513 | len = 0; /* loop may not be entered, e.g., for "/" */ | |
1514 | ||
1515 | while (q) | |
1516 | { | |
1517 | strcpy (temp, buf); | |
1518 | strncat (temp, p, q - p); | |
1519 | len = readlink (temp, buf, bufsiz); | |
1520 | if (len <= -1) | |
1521 | { | |
1522 | if (strlen (temp) + 1 > bufsiz) | |
1523 | return -1; | |
1524 | strcpy (buf, temp); | |
1525 | } | |
1526 | strcat (buf, "/"); | |
1527 | len++; | |
1528 | p = q + 1; | |
1529 | q = strchr(p, '/'); | |
1530 | } | |
7d0393cf | 1531 | |
1a578e9b AC |
1532 | if (len + strlen (p) + 1 >= bufsiz) |
1533 | return -1; | |
7d0393cf | 1534 | |
1a578e9b AC |
1535 | strcat (buf, p); |
1536 | return len + strlen (p); | |
1537 | } | |
1538 | ||
1539 | ||
1540 | mode_t | |
1541 | umask (mode_t numask) | |
1542 | { | |
1543 | static mode_t mask = 022; | |
1544 | mode_t oldmask = mask; | |
1545 | mask = numask; | |
1546 | return oldmask; | |
1547 | } | |
1548 | ||
1549 | ||
1550 | int | |
1551 | chmod (const char *path, mode_t mode) | |
1552 | { | |
1553 | /* say it always succeed for now */ | |
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | ||
1558 | int | |
1559 | dup (int oldd) | |
1560 | { | |
1561 | #ifdef __MRC__ | |
1562 | return fcntl (oldd, F_DUPFD, 0); | |
1563 | #elif __MWERKS__ | |
1564 | /* current implementation of fcntl in fcntl.mac.c simply returns old | |
1565 | descriptor */ | |
1566 | return fcntl (oldd, F_DUPFD); | |
1567 | #else | |
1568 | You lose!!! | |
1569 | #endif | |
1570 | } | |
1571 | ||
1572 | ||
1573 | /* This is from the original sysdep.c. Emulate BSD dup2. First close | |
1574 | newd if it already exists. Then, attempt to dup oldd. If not | |
1575 | successful, call dup2 recursively until we are, then close the | |
1576 | unsuccessful ones. */ | |
1577 | ||
1578 | int | |
1579 | dup2 (int oldd, int newd) | |
1580 | { | |
1581 | int fd, ret; | |
7d0393cf | 1582 | |
1a578e9b AC |
1583 | close (newd); |
1584 | ||
1585 | fd = dup (oldd); | |
1586 | if (fd == -1) | |
1587 | return -1; | |
1588 | if (fd == newd) | |
1589 | return newd; | |
1590 | ret = dup2 (oldd, newd); | |
1591 | close (fd); | |
1592 | return ret; | |
1593 | } | |
1594 | ||
1595 | ||
1596 | /* let it fail for now */ | |
1597 | ||
1598 | char * | |
1599 | sbrk (int incr) | |
1600 | { | |
1601 | return (char *) -1; | |
1602 | } | |
1603 | ||
1604 | ||
1605 | int | |
1606 | fsync (int fd) | |
1607 | { | |
1608 | return 0; | |
1609 | } | |
1610 | ||
1611 | ||
1612 | int | |
1613 | ioctl (int d, int request, void *argp) | |
1614 | { | |
1615 | return -1; | |
1616 | } | |
1617 | ||
1618 | ||
1619 | #ifdef __MRC__ | |
1620 | int | |
1621 | isatty (int fildes) | |
1622 | { | |
1623 | if (fildes >=0 && fildes <= 2) | |
1624 | return 1; | |
1625 | else | |
1626 | return 0; | |
1627 | } | |
1628 | ||
1629 | ||
1630 | int | |
1631 | getgid () | |
1632 | { | |
1633 | return 100; | |
1634 | } | |
1635 | ||
1636 | ||
1637 | int | |
1638 | getegid () | |
1639 | { | |
1640 | return 100; | |
1641 | } | |
1642 | ||
1643 | ||
1644 | int | |
1645 | getuid () | |
1646 | { | |
1647 | return 200; | |
1648 | } | |
1649 | ||
1650 | ||
1651 | int | |
1652 | geteuid () | |
1653 | { | |
1654 | return 200; | |
1655 | } | |
1656 | #endif /* __MRC__ */ | |
1657 | ||
1658 | ||
1659 | #ifdef __MWERKS__ | |
e0f712ba | 1660 | #if __MSL__ < 0x6000 |
1a578e9b AC |
1661 | #undef getpid |
1662 | int | |
1663 | getpid () | |
1664 | { | |
1665 | return 9999; | |
1666 | } | |
1667 | #endif | |
1668 | #endif /* __MWERKS__ */ | |
1669 | ||
e0f712ba AC |
1670 | #endif /* ! MAC_OSX */ |
1671 | ||
1a578e9b AC |
1672 | |
1673 | /* Return the path to the directory in which Emacs can create | |
1674 | temporary files. The MacOS "temporary items" directory cannot be | |
1675 | used because it removes the file written by a process when it | |
1676 | exits. In that sense it's more like "/dev/null" than "/tmp" (but | |
1677 | again not exactly). And of course Emacs needs to read back the | |
1678 | files written by its subprocesses. So here we write the files to a | |
1679 | directory "Emacs" in the Preferences Folder. This directory is | |
1680 | created if it does not exist. */ | |
1681 | ||
e0f712ba | 1682 | char * |
1a578e9b AC |
1683 | get_temp_dir_name () |
1684 | { | |
1685 | static char *temp_dir_name = NULL; | |
1686 | short vol_ref_num; | |
1687 | long dir_id; | |
1688 | OSErr err; | |
1689 | Str255 dir_name, full_path; | |
1690 | CInfoPBRec cpb; | |
1691 | char unix_dir_name[MAXPATHLEN+1]; | |
1692 | DIR *dir; | |
7d0393cf | 1693 | |
1a578e9b AC |
1694 | /* Cache directory name with pointer temp_dir_name. |
1695 | Look for it only the first time. */ | |
1696 | if (!temp_dir_name) | |
1697 | { | |
1698 | err = FindFolder (kOnSystemDisk, kPreferencesFolderType, kCreateFolder, | |
1699 | &vol_ref_num, &dir_id); | |
1700 | if (err != noErr) | |
1701 | return NULL; | |
7d0393cf | 1702 | |
1a578e9b AC |
1703 | if (!path_from_vol_dir_name (full_path, 255, vol_ref_num, dir_id, "\p")) |
1704 | return NULL; | |
1705 | ||
1706 | if (strlen (full_path) + 6 <= MAXPATHLEN) | |
1707 | strcat (full_path, "Emacs:"); | |
7d0393cf | 1708 | else |
1a578e9b AC |
1709 | return NULL; |
1710 | ||
60fe1161 | 1711 | if (!mac_to_posix_pathname (full_path, unix_dir_name, MAXPATHLEN+1)) |
1a578e9b | 1712 | return NULL; |
7d0393cf | 1713 | |
1a578e9b AC |
1714 | dir = opendir (unix_dir_name); /* check whether temp directory exists */ |
1715 | if (dir) | |
1716 | closedir (dir); | |
1717 | else if (mkdir (unix_dir_name, 0700) != 0) /* create it if not */ | |
1718 | return NULL; | |
1719 | ||
1720 | temp_dir_name = (char *) malloc (strlen (unix_dir_name) + 1); | |
1721 | strcpy (temp_dir_name, unix_dir_name); | |
1722 | } | |
1723 | ||
1724 | return temp_dir_name; | |
1725 | } | |
1726 | ||
e0f712ba | 1727 | #ifndef MAC_OSX |
1a578e9b AC |
1728 | |
1729 | /* Allocate and construct an array of pointers to strings from a list | |
1730 | of strings stored in a 'STR#' resource. The returned pointer array | |
1731 | is stored in the style of argv and environ: if the 'STR#' resource | |
7d0393cf | 1732 | contains numString strings, a pointer array with numString+1 |
1a578e9b AC |
1733 | elements is returned in which the last entry contains a null |
1734 | pointer. The pointer to the pointer array is passed by pointer in | |
1735 | parameter t. The resource ID of the 'STR#' resource is passed in | |
1736 | parameter StringListID. | |
1737 | */ | |
1738 | ||
1739 | void | |
1740 | get_string_list (char ***t, short string_list_id) | |
1741 | { | |
1742 | Handle h; | |
1743 | Ptr p; | |
1744 | int i, num_strings; | |
1745 | ||
1746 | h = GetResource ('STR#', string_list_id); | |
1747 | if (h) | |
1748 | { | |
1749 | HLock (h); | |
1750 | p = *h; | |
1751 | num_strings = * (short *) p; | |
1752 | p += sizeof(short); | |
1753 | *t = (char **) malloc (sizeof (char *) * (num_strings + 1)); | |
1754 | for (i = 0; i < num_strings; i++) | |
1755 | { | |
1756 | short length = *p++; | |
1757 | (*t)[i] = (char *) malloc (length + 1); | |
1758 | strncpy ((*t)[i], p, length); | |
1759 | (*t)[i][length] = '\0'; | |
1760 | p += length; | |
1761 | } | |
1762 | (*t)[num_strings] = 0; | |
1763 | HUnlock (h); | |
1764 | } | |
1765 | else | |
1766 | { | |
1767 | /* Return no string in case GetResource fails. Bug fixed by | |
1768 | Ikegami Tsutomu. Caused MPW build to crash without sym -on | |
1769 | option (no sym -on implies -opt local). */ | |
1770 | *t = (char **) malloc (sizeof (char *)); | |
1771 | (*t)[0] = 0; | |
1772 | } | |
1773 | } | |
1774 | ||
1775 | ||
1776 | static char * | |
1777 | get_path_to_system_folder () | |
1778 | { | |
1779 | short vol_ref_num; | |
1780 | long dir_id; | |
1781 | OSErr err; | |
1782 | Str255 dir_name, full_path; | |
1783 | CInfoPBRec cpb; | |
1784 | static char system_folder_unix_name[MAXPATHLEN+1]; | |
1785 | DIR *dir; | |
7d0393cf | 1786 | |
1a578e9b AC |
1787 | err = FindFolder (kOnSystemDisk, kSystemFolderType, kDontCreateFolder, |
1788 | &vol_ref_num, &dir_id); | |
1789 | if (err != noErr) | |
1790 | return NULL; | |
7d0393cf | 1791 | |
1a578e9b AC |
1792 | if (!path_from_vol_dir_name (full_path, 255, vol_ref_num, dir_id, "\p")) |
1793 | return NULL; | |
1794 | ||
e0f712ba AC |
1795 | if (!mac_to_posix_pathname (full_path, system_folder_unix_name, |
1796 | MAXPATHLEN+1)) | |
1a578e9b | 1797 | return NULL; |
7d0393cf | 1798 | |
1a578e9b AC |
1799 | return system_folder_unix_name; |
1800 | } | |
1801 | ||
1802 | ||
1803 | char **environ; | |
1804 | ||
1805 | #define ENVIRON_STRING_LIST_ID 128 | |
1806 | ||
1807 | /* Get environment variable definitions from STR# resource. */ | |
1808 | ||
1809 | void | |
1810 | init_environ () | |
1811 | { | |
1812 | int i; | |
7d0393cf | 1813 | |
1a578e9b AC |
1814 | get_string_list (&environ, ENVIRON_STRING_LIST_ID); |
1815 | ||
1816 | i = 0; | |
1817 | while (environ[i]) | |
1818 | i++; | |
1819 | ||
1820 | /* Make HOME directory the one Emacs starts up in if not specified | |
1821 | by resource. */ | |
1822 | if (getenv ("HOME") == NULL) | |
1823 | { | |
1824 | environ = (char **) realloc (environ, sizeof (char *) * (i + 2)); | |
1825 | if (environ) | |
1826 | { | |
1827 | environ[i] = (char *) malloc (strlen (my_passwd_dir) + 6); | |
1828 | if (environ[i]) | |
1829 | { | |
1830 | strcpy (environ[i], "HOME="); | |
1831 | strcat (environ[i], my_passwd_dir); | |
1832 | } | |
1833 | environ[i+1] = 0; | |
1834 | i++; | |
1835 | } | |
1836 | } | |
1837 | ||
1838 | /* Make HOME directory the one Emacs starts up in if not specified | |
1839 | by resource. */ | |
1840 | if (getenv ("MAIL") == NULL) | |
1841 | { | |
1842 | environ = (char **) realloc (environ, sizeof (char *) * (i + 2)); | |
1843 | if (environ) | |
1844 | { | |
1845 | char * path_to_system_folder = get_path_to_system_folder (); | |
1846 | environ[i] = (char *) malloc (strlen (path_to_system_folder) + 22); | |
1847 | if (environ[i]) | |
1848 | { | |
1849 | strcpy (environ[i], "MAIL="); | |
1850 | strcat (environ[i], path_to_system_folder); | |
1851 | strcat (environ[i], "Eudora Folder/In"); | |
1852 | } | |
1853 | environ[i+1] = 0; | |
1854 | } | |
1855 | } | |
1856 | } | |
1857 | ||
1858 | ||
1859 | /* Return the value of the environment variable NAME. */ | |
1860 | ||
1861 | char * | |
1862 | getenv (const char *name) | |
1863 | { | |
1864 | int length = strlen(name); | |
1865 | char **e; | |
1866 | ||
1867 | for (e = environ; *e != 0; e++) | |
1868 | if (strncmp(*e, name, length) == 0 && (*e)[length] == '=') | |
1869 | return &(*e)[length + 1]; | |
1870 | ||
1871 | if (strcmp (name, "TMPDIR") == 0) | |
1872 | return get_temp_dir_name (); | |
1873 | ||
1874 | return 0; | |
1875 | } | |
1876 | ||
1877 | ||
1878 | #ifdef __MRC__ | |
1879 | /* see Interfaces&Libraries:Interfaces:CIncludes:signal.h */ | |
1880 | char *sys_siglist[] = | |
1881 | { | |
1882 | "Zero is not a signal!!!", | |
1883 | "Abort", /* 1 */ | |
1884 | "Interactive user interrupt", /* 2 */ "?", | |
1885 | "Floating point exception", /* 4 */ "?", "?", "?", | |
1886 | "Illegal instruction", /* 8 */ "?", "?", "?", "?", "?", "?", "?", | |
1887 | "Segment violation", /* 16 */ "?", "?", "?", "?", "?", "?", "?", | |
1888 | "?", "?", "?", "?", "?", "?", "?", "?", | |
1889 | "Terminal" /* 32 */ | |
1890 | }; | |
1891 | #elif __MWERKS__ | |
1892 | char *sys_siglist[] = | |
1893 | { | |
1894 | "Zero is not a signal!!!", | |
1895 | "Abort", | |
1896 | "Floating point exception", | |
1897 | "Illegal instruction", | |
1898 | "Interactive user interrupt", | |
1899 | "Segment violation", | |
1900 | "Terminal" | |
1901 | }; | |
e0f712ba | 1902 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 1903 | You lose!!! |
e0f712ba | 1904 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
1905 | |
1906 | ||
1907 | #include <utsname.h> | |
1908 | ||
1909 | int | |
1910 | uname (struct utsname *name) | |
1911 | { | |
1912 | char **system_name; | |
1913 | system_name = GetString (-16413); /* IM - Resource Manager Reference */ | |
1914 | if (system_name) | |
1915 | { | |
1916 | BlockMove (*system_name, name->nodename, (*system_name)[0]+1); | |
1917 | p2cstr (name->nodename); | |
1918 | return 0; | |
1919 | } | |
1920 | else | |
1921 | return -1; | |
1922 | } | |
1923 | ||
1924 | ||
1925 | #include <Processes.h> | |
1926 | #include <EPPC.h> | |
1927 | ||
1928 | /* Event class of HLE sent to subprocess. */ | |
1929 | const OSType kEmacsSubprocessSend = 'ESND'; | |
1930 | ||
1931 | /* Event class of HLE sent back from subprocess. */ | |
1932 | const OSType kEmacsSubprocessReply = 'ERPY'; | |
1933 | ||
1934 | ||
1935 | char * | |
1936 | mystrchr (char *s, char c) | |
1937 | { | |
1938 | while (*s && *s != c) | |
1939 | { | |
1940 | if (*s == '\\') | |
1941 | s++; | |
1942 | s++; | |
1943 | } | |
1944 | ||
1945 | if (*s) | |
1946 | { | |
1947 | *s = '\0'; | |
1948 | return s; | |
1949 | } | |
1950 | else | |
1951 | return NULL; | |
1952 | } | |
1953 | ||
1954 | ||
1955 | char * | |
1956 | mystrtok (char *s) | |
7d0393cf | 1957 | { |
1a578e9b AC |
1958 | while (*s) |
1959 | s++; | |
1960 | ||
1961 | return s + 1; | |
1962 | } | |
1963 | ||
1964 | ||
1965 | void | |
1966 | mystrcpy (char *to, char *from) | |
1967 | { | |
1968 | while (*from) | |
1969 | { | |
1970 | if (*from == '\\') | |
1971 | from++; | |
1972 | *to++ = *from++; | |
1973 | } | |
1974 | *to = '\0'; | |
1975 | } | |
1976 | ||
1977 | ||
1978 | /* Start a Mac subprocess. Arguments for it is passed in argv (null | |
1979 | terminated). The process should run with the default directory | |
1980 | "workdir", read input from "infn", and write output and error to | |
1981 | "outfn" and "errfn", resp. The Process Manager call | |
1982 | LaunchApplication is used to start the subprocess. We use high | |
1983 | level events as the mechanism to pass arguments to the subprocess | |
1984 | and to make Emacs wait for the subprocess to terminate and pass | |
1985 | back a result code. The bulk of the code here packs the arguments | |
1986 | into one message to be passed together with the high level event. | |
1987 | Emacs also sometimes starts a subprocess using a shell to perform | |
1988 | wildcard filename expansion. Since we don't really have a shell on | |
1989 | the Mac, this case is detected and the starting of the shell is | |
1990 | by-passed. We really need to add code here to do filename | |
1991 | expansion to support such functionality. */ | |
1992 | ||
1993 | int | |
1994 | run_mac_command (argv, workdir, infn, outfn, errfn) | |
1995 | unsigned char **argv; | |
1996 | const char *workdir; | |
1997 | const char *infn, *outfn, *errfn; | |
1998 | { | |
e0f712ba AC |
1999 | #ifdef TARGET_API_MAC_CARBON |
2000 | return -1; | |
2001 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2002 | char macappname[MAXPATHLEN+1], macworkdir[MAXPATHLEN+1]; |
2003 | char macinfn[MAXPATHLEN+1], macoutfn[MAXPATHLEN+1], macerrfn[MAXPATHLEN+1]; | |
2004 | int paramlen, argc, newargc, j, retries; | |
2005 | char **newargv, *param, *p; | |
2006 | OSErr iErr; | |
2007 | FSSpec spec; | |
2008 | LaunchParamBlockRec lpbr; | |
2009 | EventRecord send_event, reply_event; | |
2010 | RgnHandle cursor_region_handle; | |
2011 | TargetID targ; | |
2012 | unsigned long ref_con, len; | |
7d0393cf | 2013 | |
60fe1161 | 2014 | if (posix_to_mac_pathname (workdir, macworkdir, MAXPATHLEN+1) == 0) |
1a578e9b | 2015 | return -1; |
60fe1161 | 2016 | if (posix_to_mac_pathname (infn, macinfn, MAXPATHLEN+1) == 0) |
1a578e9b | 2017 | return -1; |
60fe1161 | 2018 | if (posix_to_mac_pathname (outfn, macoutfn, MAXPATHLEN+1) == 0) |
1a578e9b | 2019 | return -1; |
60fe1161 | 2020 | if (posix_to_mac_pathname (errfn, macerrfn, MAXPATHLEN+1) == 0) |
1a578e9b | 2021 | return -1; |
7d0393cf | 2022 | |
1a578e9b AC |
2023 | paramlen = strlen (macworkdir) + strlen (macinfn) + strlen (macoutfn) |
2024 | + strlen (macerrfn) + 4; /* count nulls at end of strings */ | |
2025 | ||
2026 | argc = 0; | |
2027 | while (argv[argc]) | |
2028 | argc++; | |
2029 | ||
2030 | if (argc == 0) | |
2031 | return -1; | |
2032 | ||
2033 | /* If a subprocess is invoked with a shell, we receive 3 arguments | |
2034 | of the form: "<path to emacs bins>/sh" "-c" "<path to emacs | |
2035 | bins>/<command> <command args>" */ | |
2036 | j = strlen (argv[0]); | |
2037 | if (j >= 3 && strcmp (argv[0]+j-3, "/sh") == 0 | |
2038 | && argc == 3 && strcmp (argv[1], "-c") == 0) | |
2039 | { | |
2040 | char *command, *t, tempmacpathname[MAXPATHLEN+1]; | |
7d0393cf | 2041 | |
1a578e9b AC |
2042 | /* The arguments for the command in argv[2] are separated by |
2043 | spaces. Count them and put the count in newargc. */ | |
2044 | command = (char *) alloca (strlen (argv[2])+2); | |
2045 | strcpy (command, argv[2]); | |
2046 | if (command[strlen (command) - 1] != ' ') | |
2047 | strcat (command, " "); | |
7d0393cf | 2048 | |
1a578e9b AC |
2049 | t = command; |
2050 | newargc = 0; | |
2051 | t = mystrchr (t, ' '); | |
2052 | while (t) | |
2053 | { | |
2054 | newargc++; | |
2055 | t = mystrchr (t+1, ' '); | |
2056 | } | |
7d0393cf | 2057 | |
1a578e9b | 2058 | newargv = (char **) alloca (sizeof (char *) * newargc); |
7d0393cf | 2059 | |
1a578e9b AC |
2060 | t = command; |
2061 | for (j = 0; j < newargc; j++) | |
2062 | { | |
2063 | newargv[j] = (char *) alloca (strlen (t) + 1); | |
2064 | mystrcpy (newargv[j], t); | |
2065 | ||
2066 | t = mystrtok (t); | |
2067 | paramlen += strlen (newargv[j]) + 1; | |
2068 | } | |
7d0393cf | 2069 | |
1a578e9b AC |
2070 | if (strncmp (newargv[0], "~emacs/", 7) == 0) |
2071 | { | |
60fe1161 | 2072 | if (posix_to_mac_pathname (newargv[0], tempmacpathname, MAXPATHLEN+1) |
1a578e9b AC |
2073 | == 0) |
2074 | return -1; | |
2075 | } | |
2076 | else | |
2077 | { /* sometimes Emacs call "sh" without a path for the command */ | |
2078 | #if 0 | |
2079 | char *t = (char *) alloca (strlen (newargv[0]) + 7 + 1); | |
2080 | strcpy (t, "~emacs/"); | |
2081 | strcat (t, newargv[0]); | |
e0f712ba | 2082 | #endif /* 0 */ |
1a578e9b | 2083 | Lisp_Object path; |
e0f712ba | 2084 | openp (Vexec_path, build_string (newargv[0]), EXEC_SUFFIXES, &path, |
141f653a | 2085 | make_number (X_OK)); |
1a578e9b AC |
2086 | |
2087 | if (NILP (path)) | |
2088 | return -1; | |
d5db4077 | 2089 | if (posix_to_mac_pathname (SDATA (path), tempmacpathname, |
1a578e9b AC |
2090 | MAXPATHLEN+1) == 0) |
2091 | return -1; | |
2092 | } | |
2093 | strcpy (macappname, tempmacpathname); | |
2094 | } | |
2095 | else | |
7d0393cf | 2096 | { |
60fe1161 | 2097 | if (posix_to_mac_pathname (argv[0], macappname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
2098 | return -1; |
2099 | ||
2100 | newargv = (char **) alloca (sizeof (char *) * argc); | |
7d0393cf | 2101 | newargc = argc; |
1a578e9b AC |
2102 | for (j = 1; j < argc; j++) |
2103 | { | |
2104 | if (strncmp (argv[j], "~emacs/", 7) == 0) | |
2105 | { | |
2106 | char *t = strchr (argv[j], ' '); | |
2107 | if (t) | |
2108 | { | |
2109 | char tempcmdname[MAXPATHLEN+1], tempmaccmdname[MAXPATHLEN+1]; | |
2110 | strncpy (tempcmdname, argv[j], t-argv[j]); | |
2111 | tempcmdname[t-argv[j]] = '\0'; | |
60fe1161 | 2112 | if (posix_to_mac_pathname (tempcmdname, tempmaccmdname, |
1a578e9b AC |
2113 | MAXPATHLEN+1) == 0) |
2114 | return -1; | |
2115 | newargv[j] = (char *) alloca (strlen (tempmaccmdname) | |
2116 | + strlen (t) + 1); | |
2117 | strcpy (newargv[j], tempmaccmdname); | |
2118 | strcat (newargv[j], t); | |
2119 | } | |
2120 | else | |
2121 | { | |
2122 | char tempmaccmdname[MAXPATHLEN+1]; | |
60fe1161 | 2123 | if (posix_to_mac_pathname (argv[j], tempmaccmdname, |
1a578e9b AC |
2124 | MAXPATHLEN+1) == 0) |
2125 | return -1; | |
2126 | newargv[j] = (char *) alloca (strlen (tempmaccmdname)+1); | |
2127 | strcpy (newargv[j], tempmaccmdname); | |
2128 | } | |
2129 | } | |
2130 | else | |
7d0393cf | 2131 | newargv[j] = argv[j]; |
1a578e9b AC |
2132 | paramlen += strlen (newargv[j]) + 1; |
2133 | } | |
2134 | } | |
2135 | ||
2136 | /* After expanding all the arguments, we now know the length of the | |
2137 | parameter block to be sent to the subprocess as a message | |
2138 | attached to the HLE. */ | |
2139 | param = (char *) malloc (paramlen + 1); | |
2140 | if (!param) | |
2141 | return -1; | |
2142 | ||
2143 | p = param; | |
2144 | *p++ = newargc; | |
2145 | /* first byte of message contains number of arguments for command */ | |
2146 | strcpy (p, macworkdir); | |
2147 | p += strlen (macworkdir); | |
2148 | *p++ = '\0'; | |
2149 | /* null terminate strings sent so it's possible to use strcpy over there */ | |
2150 | strcpy (p, macinfn); | |
2151 | p += strlen (macinfn); | |
7d0393cf | 2152 | *p++ = '\0'; |
1a578e9b AC |
2153 | strcpy (p, macoutfn); |
2154 | p += strlen (macoutfn); | |
7d0393cf | 2155 | *p++ = '\0'; |
1a578e9b AC |
2156 | strcpy (p, macerrfn); |
2157 | p += strlen (macerrfn); | |
7d0393cf | 2158 | *p++ = '\0'; |
1a578e9b AC |
2159 | for (j = 1; j < newargc; j++) |
2160 | { | |
2161 | strcpy (p, newargv[j]); | |
2162 | p += strlen (newargv[j]); | |
7d0393cf | 2163 | *p++ = '\0'; |
1a578e9b | 2164 | } |
7d0393cf | 2165 | |
1a578e9b | 2166 | c2pstr (macappname); |
7d0393cf | 2167 | |
1a578e9b | 2168 | iErr = FSMakeFSSpec (0, 0, macappname, &spec); |
7d0393cf | 2169 | |
1a578e9b AC |
2170 | if (iErr != noErr) |
2171 | { | |
2172 | free (param); | |
2173 | return -1; | |
2174 | } | |
2175 | ||
2176 | lpbr.launchBlockID = extendedBlock; | |
2177 | lpbr.launchEPBLength = extendedBlockLen; | |
2178 | lpbr.launchControlFlags = launchContinue + launchNoFileFlags; | |
2179 | lpbr.launchAppSpec = &spec; | |
2180 | lpbr.launchAppParameters = NULL; | |
2181 | ||
2182 | iErr = LaunchApplication (&lpbr); /* call the subprocess */ | |
2183 | if (iErr != noErr) | |
2184 | { | |
2185 | free (param); | |
2186 | return -1; | |
2187 | } | |
2188 | ||
2189 | send_event.what = kHighLevelEvent; | |
2190 | send_event.message = kEmacsSubprocessSend; | |
2191 | /* Event ID stored in "where" unused */ | |
2192 | ||
2193 | retries = 3; | |
2194 | /* OS may think current subprocess has terminated if previous one | |
2195 | terminated recently. */ | |
2196 | do | |
2197 | { | |
2198 | iErr = PostHighLevelEvent (&send_event, &lpbr.launchProcessSN, 0, param, | |
2199 | paramlen + 1, receiverIDisPSN); | |
2200 | } | |
2201 | while (iErr == sessClosedErr && retries-- > 0); | |
2202 | ||
2203 | if (iErr != noErr) | |
2204 | { | |
2205 | free (param); | |
2206 | return -1; | |
2207 | } | |
2208 | ||
2209 | cursor_region_handle = NewRgn (); | |
7d0393cf | 2210 | |
1a578e9b AC |
2211 | /* Wait for the subprocess to finish, when it will send us a ERPY |
2212 | high level event. */ | |
2213 | while (1) | |
2214 | if (WaitNextEvent (highLevelEventMask, &reply_event, 180, | |
2215 | cursor_region_handle) | |
2216 | && reply_event.message == kEmacsSubprocessReply) | |
2217 | break; | |
7d0393cf | 2218 | |
1a578e9b AC |
2219 | /* The return code is sent through the refCon */ |
2220 | iErr = AcceptHighLevelEvent (&targ, &ref_con, NULL, &len); | |
2221 | if (iErr != noErr) | |
2222 | { | |
2223 | DisposeHandle ((Handle) cursor_region_handle); | |
2224 | free (param); | |
2225 | return -1; | |
2226 | } | |
7d0393cf | 2227 | |
1a578e9b AC |
2228 | DisposeHandle ((Handle) cursor_region_handle); |
2229 | free (param); | |
2230 | ||
2231 | return ref_con; | |
e0f712ba | 2232 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2233 | } |
2234 | ||
2235 | ||
2236 | DIR * | |
2237 | opendir (const char *dirname) | |
2238 | { | |
7d0393cf | 2239 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
2240 | char mac_pathname[MAXPATHLEN+1], vol_name[MAXPATHLEN+1]; |
2241 | DIR *dirp; | |
2242 | CInfoPBRec cipb; | |
2243 | HVolumeParam vpb; | |
2244 | int len, vol_name_len; | |
7d0393cf | 2245 | |
1a578e9b AC |
2246 | if (find_true_pathname (dirname, true_pathname, MAXPATHLEN+1) == -1) |
2247 | return 0; | |
7d0393cf | 2248 | |
1a578e9b AC |
2249 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
2250 | if (len > -1) | |
2251 | fully_resolved_name[len] = '\0'; | |
2252 | else | |
2253 | strcpy (fully_resolved_name, true_pathname); | |
2254 | ||
2255 | dirp = (DIR *) malloc (sizeof(DIR)); | |
2256 | if (!dirp) | |
2257 | return 0; | |
2258 | ||
2259 | /* Handle special case when dirname is "/": sets up for readir to | |
2260 | get all mount volumes. */ | |
2261 | if (strcmp (fully_resolved_name, "/") == 0) | |
2262 | { | |
2263 | dirp->getting_volumes = 1; /* special all mounted volumes DIR struct */ | |
2264 | dirp->current_index = 1; /* index for first volume */ | |
2265 | return dirp; | |
2266 | } | |
2267 | ||
2268 | /* Handle typical cases: not accessing all mounted volumes. */ | |
60fe1161 | 2269 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
2270 | return 0; |
2271 | ||
2272 | /* Emacs calls opendir without the trailing '/', Mac needs trailing ':' */ | |
2273 | len = strlen (mac_pathname); | |
2274 | if (mac_pathname[len - 1] != ':' && len < MAXPATHLEN) | |
2275 | strcat (mac_pathname, ":"); | |
7d0393cf | 2276 | |
1a578e9b AC |
2277 | /* Extract volume name */ |
2278 | vol_name_len = strchr (mac_pathname, ':') - mac_pathname; | |
2279 | strncpy (vol_name, mac_pathname, vol_name_len); | |
2280 | vol_name[vol_name_len] = '\0'; | |
2281 | strcat (vol_name, ":"); | |
2282 | ||
2283 | c2pstr (mac_pathname); | |
2284 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
2285 | /* using full pathname so vRefNum and DirID ignored */ | |
2286 | cipb.hFileInfo.ioVRefNum = 0; | |
2287 | cipb.hFileInfo.ioDirID = 0; | |
2288 | cipb.hFileInfo.ioFDirIndex = 0; | |
2289 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 2290 | |
1a578e9b AC |
2291 | errno = PBGetCatInfo (&cipb, false); |
2292 | if (errno != noErr) | |
2293 | { | |
2294 | errno = ENOENT; | |
2295 | return 0; | |
2296 | } | |
2297 | ||
2298 | if (!(cipb.hFileInfo.ioFlAttrib & 0x10)) /* bit 4 = 1 for directories */ | |
2299 | return 0; /* not a directory */ | |
2300 | ||
2301 | dirp->dir_id = cipb.dirInfo.ioDrDirID; /* used later in readdir */ | |
2302 | dirp->getting_volumes = 0; | |
2303 | dirp->current_index = 1; /* index for first file/directory */ | |
2304 | ||
2305 | c2pstr (vol_name); | |
2306 | vpb.ioNamePtr = vol_name; | |
2307 | /* using full pathname so vRefNum and DirID ignored */ | |
2308 | vpb.ioVRefNum = 0; | |
2309 | vpb.ioVolIndex = -1; | |
2310 | errno = PBHGetVInfo ((union HParamBlockRec *) &vpb, false); | |
2311 | if (errno != noErr) | |
2312 | { | |
2313 | errno = ENOENT; | |
2314 | return 0; | |
2315 | } | |
2316 | ||
2317 | dirp->vol_ref_num = vpb.ioVRefNum; | |
7d0393cf | 2318 | |
1a578e9b AC |
2319 | return dirp; |
2320 | } | |
2321 | ||
2322 | int | |
2323 | closedir (DIR *dp) | |
2324 | { | |
2325 | free (dp); | |
2326 | ||
2327 | return 0; | |
2328 | } | |
2329 | ||
2330 | ||
2331 | struct dirent * | |
2332 | readdir (DIR *dp) | |
2333 | { | |
2334 | HParamBlockRec hpblock; | |
2335 | CInfoPBRec cipb; | |
2336 | static struct dirent s_dirent; | |
2337 | static Str255 s_name; | |
2338 | int done; | |
2339 | char *p; | |
2340 | ||
2341 | /* Handle the root directory containing the mounted volumes. Call | |
2342 | PBHGetVInfo specifying an index to obtain the info for a volume. | |
2343 | PBHGetVInfo returns an error when it receives an index beyond the | |
2344 | last volume, at which time we should return a nil dirent struct | |
2345 | pointer. */ | |
2346 | if (dp->getting_volumes) | |
2347 | { | |
2348 | hpblock.volumeParam.ioNamePtr = s_name; | |
2349 | hpblock.volumeParam.ioVRefNum = 0; | |
2350 | hpblock.volumeParam.ioVolIndex = dp->current_index; | |
7d0393cf | 2351 | |
1a578e9b AC |
2352 | errno = PBHGetVInfo (&hpblock, false); |
2353 | if (errno != noErr) | |
2354 | { | |
2355 | errno = ENOENT; | |
2356 | return 0; | |
2357 | } | |
7d0393cf | 2358 | |
1a578e9b AC |
2359 | p2cstr (s_name); |
2360 | strcat (s_name, "/"); /* need "/" for stat to work correctly */ | |
2361 | ||
2362 | dp->current_index++; | |
2363 | ||
2364 | s_dirent.d_ino = hpblock.volumeParam.ioVRefNum; | |
2365 | s_dirent.d_name = s_name; | |
7d0393cf | 2366 | |
1a578e9b AC |
2367 | return &s_dirent; |
2368 | } | |
2369 | else | |
2370 | { | |
2371 | cipb.hFileInfo.ioVRefNum = dp->vol_ref_num; | |
2372 | cipb.hFileInfo.ioNamePtr = s_name; | |
2373 | /* location to receive filename returned */ | |
2374 | ||
2375 | /* return only visible files */ | |
2376 | done = false; | |
2377 | while (!done) | |
2378 | { | |
2379 | cipb.hFileInfo.ioDirID = dp->dir_id; | |
2380 | /* directory ID found by opendir */ | |
2381 | cipb.hFileInfo.ioFDirIndex = dp->current_index; | |
7d0393cf | 2382 | |
1a578e9b AC |
2383 | errno = PBGetCatInfo (&cipb, false); |
2384 | if (errno != noErr) | |
2385 | { | |
2386 | errno = ENOENT; | |
2387 | return 0; | |
2388 | } | |
7d0393cf JB |
2389 | |
2390 | /* insist on a visible entry */ | |
1a578e9b AC |
2391 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* directory? */ |
2392 | done = !(cipb.dirInfo.ioDrUsrWds.frFlags & fInvisible); | |
2393 | else | |
2394 | done = !(cipb.hFileInfo.ioFlFndrInfo.fdFlags & fInvisible); | |
7d0393cf | 2395 | |
1a578e9b AC |
2396 | dp->current_index++; |
2397 | } | |
2398 | ||
2399 | p2cstr (s_name); | |
7d0393cf | 2400 | |
1a578e9b AC |
2401 | p = s_name; |
2402 | while (*p) | |
2403 | { | |
2404 | if (*p == '/') | |
2405 | *p = ':'; | |
2406 | p++; | |
2407 | } | |
2408 | ||
2409 | s_dirent.d_ino = cipb.dirInfo.ioDrDirID; | |
2410 | /* value unimportant: non-zero for valid file */ | |
2411 | s_dirent.d_name = s_name; | |
7d0393cf | 2412 | |
1a578e9b AC |
2413 | return &s_dirent; |
2414 | } | |
2415 | } | |
2416 | ||
2417 | ||
2418 | char * | |
2419 | getwd (char *path) | |
2420 | { | |
2421 | char mac_pathname[MAXPATHLEN+1]; | |
2422 | Str255 directory_name; | |
2423 | OSErr errno; | |
2424 | CInfoPBRec cipb; | |
2425 | ||
2426 | if (path_from_vol_dir_name (mac_pathname, 255, 0, 0, "\p") == 0) | |
2427 | return NULL; | |
2428 | ||
60fe1161 | 2429 | if (mac_to_posix_pathname (mac_pathname, path, MAXPATHLEN+1) == 0) |
1a578e9b AC |
2430 | return 0; |
2431 | else | |
2432 | return path; | |
2433 | } | |
2434 | ||
e0f712ba AC |
2435 | #endif /* ! MAC_OSX */ |
2436 | ||
1a578e9b AC |
2437 | |
2438 | void | |
2439 | initialize_applescript () | |
2440 | { | |
2441 | AEDesc null_desc; | |
2442 | OSAError osaerror; | |
7d0393cf | 2443 | |
1a578e9b AC |
2444 | /* if open fails, as_scripting_component is set to NULL. Its |
2445 | subsequent use in OSA calls will fail with badComponentInstance | |
2446 | error. */ | |
2447 | as_scripting_component = OpenDefaultComponent (kOSAComponentType, | |
2448 | kAppleScriptSubtype); | |
2449 | ||
2450 | null_desc.descriptorType = typeNull; | |
2451 | null_desc.dataHandle = 0; | |
2452 | osaerror = OSAMakeContext (as_scripting_component, &null_desc, | |
2453 | kOSANullScript, &as_script_context); | |
2454 | if (osaerror) | |
2455 | as_script_context = kOSANullScript; | |
2456 | /* use default context if create fails */ | |
2457 | } | |
2458 | ||
2459 | ||
2460 | void terminate_applescript() | |
2461 | { | |
2462 | OSADispose (as_scripting_component, as_script_context); | |
2463 | CloseComponent (as_scripting_component); | |
2464 | } | |
2465 | ||
2466 | ||
2467 | /* Compile and execute the AppleScript SCRIPT and return the error | |
2468 | status as function value. A zero is returned if compilation and | |
2469 | execution is successful, in which case RESULT returns a pointer to | |
2470 | a string containing the resulting script value. Otherwise, the Mac | |
2471 | error code is returned and RESULT returns a pointer to an error | |
2472 | string. In both cases the caller should deallocate the storage | |
2473 | used by the string pointed to by RESULT if it is non-NULL. For | |
2474 | documentation on the MacOS scripting architecture, see Inside | |
2475 | Macintosh - Interapplication Communications: Scripting Components. */ | |
2476 | ||
2477 | static long | |
2478 | do_applescript (char *script, char **result) | |
2479 | { | |
2480 | AEDesc script_desc, result_desc, error_desc; | |
2481 | OSErr error; | |
2482 | OSAError osaerror; | |
2483 | long length; | |
2484 | ||
2485 | *result = 0; | |
2486 | ||
84c0c2cc AC |
2487 | if (!as_scripting_component) |
2488 | initialize_applescript(); | |
2489 | ||
1a578e9b AC |
2490 | error = AECreateDesc (typeChar, script, strlen(script), &script_desc); |
2491 | if (error) | |
2492 | return error; | |
2493 | ||
2494 | osaerror = OSADoScript (as_scripting_component, &script_desc, kOSANullScript, | |
2495 | typeChar, kOSAModeNull, &result_desc); | |
2496 | ||
2497 | if (osaerror == errOSAScriptError) | |
2498 | { | |
2499 | /* error executing AppleScript: retrieve error message */ | |
2500 | if (!OSAScriptError (as_scripting_component, kOSAErrorMessage, typeChar, | |
2501 | &error_desc)) | |
2502 | { | |
e0f712ba AC |
2503 | #if TARGET_API_MAC_CARBON |
2504 | length = AEGetDescDataSize (&error_desc); | |
2505 | *result = (char *) xmalloc (length + 1); | |
2506 | if (*result) | |
2507 | { | |
2508 | AEGetDescData (&error_desc, *result, length); | |
2509 | *(*result + length) = '\0'; | |
2510 | } | |
2511 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2512 | HLock (error_desc.dataHandle); |
2513 | length = GetHandleSize(error_desc.dataHandle); | |
2514 | *result = (char *) xmalloc (length + 1); | |
2515 | if (*result) | |
2516 | { | |
2517 | memcpy (*result, *(error_desc.dataHandle), length); | |
2518 | *(*result + length) = '\0'; | |
2519 | } | |
2520 | HUnlock (error_desc.dataHandle); | |
e0f712ba | 2521 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2522 | AEDisposeDesc (&error_desc); |
2523 | } | |
2524 | } | |
2525 | else if (osaerror == noErr) /* success: retrieve resulting script value */ | |
2526 | { | |
e0f712ba AC |
2527 | #if TARGET_API_MAC_CARBON |
2528 | length = AEGetDescDataSize (&result_desc); | |
2529 | *result = (char *) xmalloc (length + 1); | |
2530 | if (*result) | |
2531 | { | |
2532 | AEGetDescData (&result_desc, *result, length); | |
2533 | *(*result + length) = '\0'; | |
2534 | } | |
2535 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2536 | HLock (result_desc.dataHandle); |
2537 | length = GetHandleSize(result_desc.dataHandle); | |
2538 | *result = (char *) xmalloc (length + 1); | |
2539 | if (*result) | |
2540 | { | |
2541 | memcpy (*result, *(result_desc.dataHandle), length); | |
2542 | *(*result + length) = '\0'; | |
2543 | } | |
2544 | HUnlock (result_desc.dataHandle); | |
e0f712ba | 2545 | #endif /* not TARGET_API_MAC_CARBON */ |
84c0c2cc | 2546 | AEDisposeDesc (&result_desc); |
1a578e9b AC |
2547 | } |
2548 | ||
2549 | AEDisposeDesc (&script_desc); | |
1a578e9b AC |
2550 | |
2551 | return osaerror; | |
2552 | } | |
2553 | ||
2554 | ||
2555 | DEFUN ("do-applescript", Fdo_applescript, Sdo_applescript, 1, 1, 0, | |
e0f712ba AC |
2556 | doc: /* Compile and execute AppleScript SCRIPT and retrieve and return the result. |
2557 | If compilation and execution are successful, the resulting script | |
2558 | value is returned as a string. Otherwise the function aborts and | |
2559 | displays the error message returned by the AppleScript scripting | |
2560 | component. */) | |
1a578e9b AC |
2561 | (script) |
2562 | Lisp_Object script; | |
2563 | { | |
2564 | char *result, *temp; | |
2565 | Lisp_Object lisp_result; | |
2566 | long status; | |
2567 | ||
e0f712ba | 2568 | CHECK_STRING (script); |
7d0393cf | 2569 | |
c3f4c690 | 2570 | BLOCK_INPUT; |
d5db4077 | 2571 | status = do_applescript (SDATA (script), &result); |
c3f4c690 | 2572 | UNBLOCK_INPUT; |
1a578e9b AC |
2573 | if (status) |
2574 | { | |
2575 | if (!result) | |
84c0c2cc | 2576 | error ("AppleScript error %d", status); |
1a578e9b AC |
2577 | else |
2578 | { | |
2579 | /* Unfortunately only OSADoScript in do_applescript knows how | |
2580 | how large the resulting script value or error message is | |
2581 | going to be and therefore as caller memory must be | |
2582 | deallocated here. It is necessary to free the error | |
2583 | message before calling error to avoid a memory leak. */ | |
2584 | temp = (char *) alloca (strlen (result) + 1); | |
2585 | strcpy (temp, result); | |
2586 | xfree (result); | |
2587 | error (temp); | |
2588 | } | |
2589 | } | |
2590 | else | |
2591 | { | |
2592 | lisp_result = build_string (result); | |
2593 | xfree (result); | |
2594 | return lisp_result; | |
2595 | } | |
2596 | } | |
2597 | ||
2598 | ||
e0f712ba AC |
2599 | DEFUN ("mac-file-name-to-posix", Fmac_file_name_to_posix, |
2600 | Smac_file_name_to_posix, 1, 1, 0, | |
2601 | doc: /* Convert Macintosh filename to Posix form. */) | |
2602 | (mac_filename) | |
2603 | Lisp_Object mac_filename; | |
1a578e9b | 2604 | { |
60fe1161 | 2605 | char posix_filename[MAXPATHLEN+1]; |
1a578e9b | 2606 | |
e0f712ba | 2607 | CHECK_STRING (mac_filename); |
7d0393cf | 2608 | |
d5db4077 | 2609 | if (mac_to_posix_pathname (SDATA (mac_filename), posix_filename, |
1a578e9b | 2610 | MAXPATHLEN)) |
60fe1161 | 2611 | return build_string (posix_filename); |
1a578e9b AC |
2612 | else |
2613 | return Qnil; | |
2614 | } | |
2615 | ||
2616 | ||
e0f712ba AC |
2617 | DEFUN ("posix-file-name-to-mac", Fposix_file_name_to_mac, |
2618 | Sposix_file_name_to_mac, 1, 1, 0, | |
2619 | doc: /* Convert Posix filename to Mac form. */) | |
2620 | (posix_filename) | |
2621 | Lisp_Object posix_filename; | |
1a578e9b AC |
2622 | { |
2623 | char mac_filename[MAXPATHLEN+1]; | |
2624 | ||
e0f712ba | 2625 | CHECK_STRING (posix_filename); |
7d0393cf | 2626 | |
d5db4077 | 2627 | if (posix_to_mac_pathname (SDATA (posix_filename), mac_filename, |
1a578e9b AC |
2628 | MAXPATHLEN)) |
2629 | return build_string (mac_filename); | |
2630 | else | |
2631 | return Qnil; | |
2632 | } | |
2633 | ||
2634 | ||
2635 | /* set interprogram-paste-function to mac-paste-function in mac-win.el | |
2636 | to enable Emacs to obtain the contents of the Mac clipboard. */ | |
2637 | DEFUN ("mac-paste-function", Fmac_paste_function, Smac_paste_function, 0, 0, 0, | |
e0f712ba AC |
2638 | doc: /* Return the contents of the Mac clipboard as a string. */) |
2639 | () | |
1a578e9b | 2640 | { |
e0f712ba | 2641 | #if TARGET_API_MAC_CARBON |
c3f4c690 | 2642 | OSStatus err; |
e0f712ba AC |
2643 | ScrapRef scrap; |
2644 | ScrapFlavorFlags sff; | |
2645 | Size s; | |
2646 | int i; | |
2647 | char *data; | |
2648 | ||
c3f4c690 ST |
2649 | BLOCK_INPUT; |
2650 | err = GetCurrentScrap (&scrap); | |
2651 | if (err == noErr) | |
2652 | err = GetScrapFlavorFlags (scrap, kScrapFlavorTypeText, &sff); | |
2653 | if (err == noErr) | |
2654 | err = GetScrapFlavorSize (scrap, kScrapFlavorTypeText, &s); | |
2655 | if (err == noErr && (data = (char*) alloca (s))) | |
2656 | err = GetScrapFlavorData (scrap, kScrapFlavorTypeText, &s, data); | |
2657 | UNBLOCK_INPUT; | |
2658 | if (err != noErr || s == 0) | |
e0f712ba | 2659 | return Qnil; |
7d0393cf | 2660 | |
e0f712ba AC |
2661 | /* Emacs expects clipboard contents have Unix-style eol's */ |
2662 | for (i = 0; i < s; i++) | |
2663 | if (data[i] == '\r') | |
2664 | data[i] = '\n'; | |
2665 | ||
2666 | return make_string (data, s); | |
2667 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2668 | Lisp_Object value; |
2669 | Handle my_handle; | |
2670 | long scrap_offset, rc, i; | |
2671 | ||
2672 | my_handle = NewHandle (0); /* allocate 0-length data area */ | |
2673 | ||
2674 | rc = GetScrap (my_handle, 'TEXT', &scrap_offset); | |
2675 | if (rc < 0) | |
2676 | return Qnil; | |
2677 | ||
2678 | HLock (my_handle); | |
2679 | ||
2680 | /* Emacs expects clipboard contents have Unix-style eol's */ | |
2681 | for (i = 0; i < rc; i++) | |
2682 | if ((*my_handle)[i] == '\r') | |
2683 | (*my_handle)[i] = '\n'; | |
2684 | ||
2685 | value = make_string (*my_handle, rc); | |
2686 | ||
2687 | HUnlock (my_handle); | |
7d0393cf | 2688 | |
1a578e9b AC |
2689 | DisposeHandle (my_handle); |
2690 | ||
2691 | return value; | |
e0f712ba | 2692 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2693 | } |
2694 | ||
2695 | ||
2696 | /* set interprogram-cut-function to mac-cut-function in mac-win.el | |
2697 | to enable Emacs to write the top of the kill-ring to the Mac clipboard. */ | |
2698 | DEFUN ("mac-cut-function", Fmac_cut_function, Smac_cut_function, 1, 2, 0, | |
e0f712ba | 2699 | doc: /* Put the value of the string parameter to the Mac clipboard. */) |
1a578e9b AC |
2700 | (value, push) |
2701 | Lisp_Object value, push; | |
2702 | { | |
2703 | char *buf; | |
2704 | int len, i; | |
2705 | ||
2706 | /* fixme: ignore the push flag for now */ | |
2707 | ||
e0f712ba | 2708 | CHECK_STRING (value); |
7d0393cf | 2709 | |
d5db4077 | 2710 | len = SCHARS (value); |
e0f712ba | 2711 | buf = (char *) alloca (len+1); |
d5db4077 | 2712 | bcopy (SDATA (value), buf, len); |
e0f712ba | 2713 | buf[len] = '\0'; |
7d0393cf | 2714 | |
1a578e9b AC |
2715 | /* convert to Mac-style eol's before sending to clipboard */ |
2716 | for (i = 0; i < len; i++) | |
2717 | if (buf[i] == '\n') | |
2718 | buf[i] = '\r'; | |
2719 | ||
e0f712ba AC |
2720 | #if TARGET_API_MAC_CARBON |
2721 | { | |
2722 | ScrapRef scrap; | |
c3f4c690 ST |
2723 | |
2724 | BLOCK_INPUT; | |
e0f712ba AC |
2725 | ClearCurrentScrap (); |
2726 | if (GetCurrentScrap (&scrap) != noErr) | |
c3f4c690 ST |
2727 | { |
2728 | UNBLOCK_INPUT; | |
2729 | error ("cannot get current scrap"); | |
2730 | } | |
e0f712ba AC |
2731 | |
2732 | if (PutScrapFlavor (scrap, kScrapFlavorTypeText, kScrapFlavorMaskNone, len, | |
2733 | buf) != noErr) | |
c3f4c690 ST |
2734 | { |
2735 | UNBLOCK_INPUT; | |
2736 | error ("cannot put to scrap"); | |
2737 | } | |
2738 | UNBLOCK_INPUT; | |
e0f712ba AC |
2739 | } |
2740 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2741 | ZeroScrap (); |
2742 | PutScrap (len, 'TEXT', buf); | |
e0f712ba | 2743 | #endif /* not TARGET_API_MAC_CARBON */ |
7d0393cf | 2744 | |
1a578e9b AC |
2745 | return Qnil; |
2746 | } | |
2747 | ||
2748 | ||
2749 | DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p, | |
e0f712ba AC |
2750 | 0, 1, 0, |
2751 | doc: /* Whether there is an owner for the given X Selection. | |
2752 | The arg should be the name of the selection in question, typically one of | |
2753 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
14bda6db | 2754 | \(Those are literal upper-case symbol names, since that's what X expects.) |
e0f712ba AC |
2755 | For convenience, the symbol nil is the same as `PRIMARY', |
2756 | and t is the same as `SECONDARY'. */) | |
1a578e9b AC |
2757 | (selection) |
2758 | Lisp_Object selection; | |
2759 | { | |
e0f712ba | 2760 | CHECK_SYMBOL (selection); |
1a578e9b AC |
2761 | |
2762 | /* Return nil for PRIMARY and SECONDARY selections; for CLIPBOARD, check | |
2763 | if the clipboard currently has valid text format contents. */ | |
2764 | ||
2765 | if (EQ (selection, QCLIPBOARD)) | |
2766 | { | |
2767 | Lisp_Object val = Qnil; | |
e0f712ba AC |
2768 | |
2769 | #if TARGET_API_MAC_CARBON | |
2770 | ScrapRef scrap; | |
2771 | ScrapFlavorFlags sff; | |
2772 | ||
c3f4c690 | 2773 | BLOCK_INPUT; |
e0f712ba AC |
2774 | if (GetCurrentScrap (&scrap) == noErr) |
2775 | if (GetScrapFlavorFlags (scrap, kScrapFlavorTypeText, &sff) == noErr) | |
2776 | val = Qt; | |
c3f4c690 | 2777 | UNBLOCK_INPUT; |
e0f712ba | 2778 | #else /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2779 | Handle my_handle; |
2780 | long rc, scrap_offset; | |
2781 | ||
2782 | my_handle = NewHandle (0); | |
2783 | ||
2784 | rc = GetScrap (my_handle, 'TEXT', &scrap_offset); | |
2785 | if (rc >= 0) | |
2786 | val = Qt; | |
2787 | ||
2788 | DisposeHandle (my_handle); | |
e0f712ba | 2789 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2790 | |
2791 | return val; | |
2792 | } | |
2793 | return Qnil; | |
2794 | } | |
2795 | ||
8030369c AC |
2796 | #ifdef MAC_OSX |
2797 | #undef select | |
2798 | ||
2799 | extern int inhibit_window_system; | |
2b187eac | 2800 | extern int noninteractive; |
8030369c AC |
2801 | |
2802 | /* When Emacs is started from the Finder, SELECT always immediately | |
2803 | returns as if input is present when file descriptor 0 is polled for | |
2804 | input. Strangely, when Emacs is run as a GUI application from the | |
2805 | command line, it blocks in the same situation. This `wrapper' of | |
2806 | the system call SELECT corrects this discrepancy. */ | |
2807 | int | |
2808 | sys_select (n, rfds, wfds, efds, timeout) | |
bfcf6608 ST |
2809 | int n; |
2810 | SELECT_TYPE *rfds; | |
2811 | SELECT_TYPE *wfds; | |
2812 | SELECT_TYPE *efds; | |
2813 | struct timeval *timeout; | |
8030369c | 2814 | { |
bfcf6608 ST |
2815 | OSErr err; |
2816 | EMACS_TIME end_time, now, remaining_time; | |
2817 | ||
e082ac9d ST |
2818 | if (inhibit_window_system || noninteractive |
2819 | || rfds == NULL || !FD_ISSET (0, rfds)) | |
bfcf6608 ST |
2820 | return select (n, rfds, wfds, efds, timeout); |
2821 | ||
2822 | if (wfds == NULL && efds == NULL) | |
2b187eac | 2823 | { |
bfcf6608 ST |
2824 | int i; |
2825 | ||
2826 | for (i = 1; i < n; i++) | |
2827 | if (FD_ISSET (i, rfds)) | |
2828 | break; | |
2829 | if (i == n) | |
2830 | { | |
2831 | EventTimeout timeout_sec = | |
2832 | (timeout | |
2833 | ? (EMACS_SECS (*timeout) * kEventDurationSecond | |
2834 | + EMACS_USECS (*timeout) * kEventDurationMicrosecond) | |
2835 | : kEventDurationForever); | |
2836 | ||
2837 | BLOCK_INPUT; | |
2838 | err = ReceiveNextEvent (0, NULL, timeout_sec, | |
2839 | kEventLeaveInQueue, NULL); | |
2840 | UNBLOCK_INPUT; | |
2841 | if (err == noErr) | |
96720f09 | 2842 | { |
e082ac9d ST |
2843 | FD_ZERO (rfds); |
2844 | FD_SET (0, rfds); | |
2845 | return 1; | |
96720f09 | 2846 | } |
bfcf6608 ST |
2847 | else |
2848 | return 0; | |
2b187eac | 2849 | } |
2b187eac | 2850 | } |
2b187eac | 2851 | |
bfcf6608 | 2852 | if (timeout) |
2b187eac | 2853 | { |
bfcf6608 ST |
2854 | remaining_time = *timeout; |
2855 | EMACS_GET_TIME (now); | |
2856 | EMACS_ADD_TIME (end_time, now, remaining_time); | |
2b187eac | 2857 | } |
bfcf6608 ST |
2858 | FD_CLR (0, rfds); |
2859 | do | |
2860 | { | |
2861 | EMACS_TIME select_timeout; | |
2862 | SELECT_TYPE orfds = *rfds; | |
2863 | int r; | |
177c0ea7 | 2864 | |
bfcf6608 ST |
2865 | EMACS_SET_SECS_USECS (select_timeout, 0, 20000); |
2866 | ||
2867 | if (timeout && EMACS_TIME_LT (remaining_time, select_timeout)) | |
2868 | select_timeout = remaining_time; | |
2869 | ||
2870 | r = select (n, &orfds, wfds, efds, &select_timeout); | |
2871 | BLOCK_INPUT; | |
2872 | err = ReceiveNextEvent (0, NULL, kEventDurationNoWait, | |
2873 | kEventLeaveInQueue, NULL); | |
2874 | UNBLOCK_INPUT; | |
2875 | if (r > 0) | |
2876 | { | |
2877 | *rfds = orfds; | |
2878 | if (err == noErr) | |
2879 | { | |
2880 | FD_SET (0, rfds); | |
2881 | r++; | |
2882 | } | |
2883 | return r; | |
2884 | } | |
2885 | else if (err == noErr) | |
2886 | { | |
2887 | FD_ZERO (rfds); | |
2888 | FD_SET (0, rfds); | |
2889 | return 1; | |
2890 | } | |
1000788b | 2891 | |
bfcf6608 ST |
2892 | if (timeout) |
2893 | { | |
2894 | EMACS_GET_TIME (now); | |
2895 | EMACS_SUB_TIME (remaining_time, end_time, now); | |
2896 | } | |
2897 | } | |
2898 | while (!timeout || EMACS_TIME_LT (now, end_time)); | |
2899 | ||
2900 | return 0; | |
2901 | } | |
1000788b AC |
2902 | |
2903 | /* Set up environment variables so that Emacs can correctly find its | |
2904 | support files when packaged as an application bundle. Directories | |
2905 | placed in /usr/local/share/emacs/<emacs-version>/, /usr/local/bin, | |
2906 | and /usr/local/libexec/emacs/<emacs-version>/<system-configuration> | |
2907 | by `make install' by default can instead be placed in | |
2908 | .../Emacs.app/Contents/Resources/ and | |
2909 | .../Emacs.app/Contents/MacOS/. Each of these environment variables | |
2910 | is changed only if it is not already set. Presumably if the user | |
2911 | sets an environment variable, he will want to use files in his path | |
2912 | instead of ones in the application bundle. */ | |
2913 | void | |
2914 | init_mac_osx_environment () | |
2915 | { | |
2916 | CFBundleRef bundle; | |
2917 | CFURLRef bundleURL; | |
2918 | CFStringRef cf_app_bundle_pathname; | |
2919 | int app_bundle_pathname_len; | |
2920 | char *app_bundle_pathname; | |
2921 | char *p, *q; | |
2922 | struct stat st; | |
2923 | ||
2924 | /* Fetch the pathname of the application bundle as a C string into | |
2925 | app_bundle_pathname. */ | |
2926 | ||
2927 | bundle = CFBundleGetMainBundle (); | |
2928 | if (!bundle) | |
2929 | return; | |
2930 | ||
2931 | bundleURL = CFBundleCopyBundleURL (bundle); | |
2932 | if (!bundleURL) | |
2933 | return; | |
2934 | ||
2935 | cf_app_bundle_pathname = CFURLCopyFileSystemPath (bundleURL, | |
2936 | kCFURLPOSIXPathStyle); | |
2937 | app_bundle_pathname_len = CFStringGetLength (cf_app_bundle_pathname); | |
2938 | app_bundle_pathname = (char *) alloca (app_bundle_pathname_len + 1); | |
2939 | ||
2940 | if (!CFStringGetCString (cf_app_bundle_pathname, | |
2941 | app_bundle_pathname, | |
2942 | app_bundle_pathname_len + 1, | |
2943 | kCFStringEncodingISOLatin1)) | |
2944 | { | |
2945 | CFRelease (cf_app_bundle_pathname); | |
2946 | return; | |
2947 | } | |
2948 | ||
2949 | CFRelease (cf_app_bundle_pathname); | |
2950 | ||
2951 | /* P should have sufficient room for the pathname of the bundle plus | |
2952 | the subpath in it leading to the respective directories. Q | |
2953 | should have three times that much room because EMACSLOADPATH can | |
2954 | have the value "<path to lisp dir>:<path to leim dir>:<path to | |
2955 | site-lisp dir>". */ | |
2956 | p = (char *) alloca (app_bundle_pathname_len + 50); | |
2957 | q = (char *) alloca (3 * app_bundle_pathname_len + 150); | |
2958 | if (!getenv ("EMACSLOADPATH")) | |
2959 | { | |
2960 | q[0] = '\0'; | |
2961 | ||
2962 | strcpy (p, app_bundle_pathname); | |
2963 | strcat (p, "/Contents/Resources/lisp"); | |
2964 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2965 | strcat (q, p); | |
2966 | ||
2967 | strcpy (p, app_bundle_pathname); | |
2968 | strcat (p, "/Contents/Resources/leim"); | |
2969 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2970 | { | |
2971 | if (q[0] != '\0') | |
2972 | strcat (q, ":"); | |
2973 | strcat (q, p); | |
2974 | } | |
2975 | ||
2976 | strcpy (p, app_bundle_pathname); | |
2977 | strcat (p, "/Contents/Resources/site-lisp"); | |
2978 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
2979 | { | |
2980 | if (q[0] != '\0') | |
2981 | strcat (q, ":"); | |
2982 | strcat (q, p); | |
2983 | } | |
2984 | ||
2985 | if (q[0] != '\0') | |
2986 | setenv ("EMACSLOADPATH", q, 1); | |
2987 | } | |
2988 | ||
2989 | if (!getenv ("EMACSPATH")) | |
2990 | { | |
2991 | q[0] = '\0'; | |
2992 | ||
2993 | strcpy (p, app_bundle_pathname); | |
e8f25745 | 2994 | strcat (p, "/Contents/MacOS/libexec"); |
1000788b AC |
2995 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) |
2996 | strcat (q, p); | |
2997 | ||
2998 | strcpy (p, app_bundle_pathname); | |
e8f25745 | 2999 | strcat (p, "/Contents/MacOS/bin"); |
1000788b AC |
3000 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) |
3001 | { | |
3002 | if (q[0] != '\0') | |
3003 | strcat (q, ":"); | |
3004 | strcat (q, p); | |
3005 | } | |
3006 | ||
3007 | if (q[0] != '\0') | |
3008 | setenv ("EMACSPATH", q, 1); | |
3009 | } | |
3010 | ||
3011 | if (!getenv ("EMACSDATA")) | |
3012 | { | |
3013 | strcpy (p, app_bundle_pathname); | |
3014 | strcat (p, "/Contents/Resources/etc"); | |
3015 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
3016 | setenv ("EMACSDATA", p, 1); | |
3017 | } | |
3018 | ||
3019 | if (!getenv ("EMACSDOC")) | |
3020 | { | |
3021 | strcpy (p, app_bundle_pathname); | |
3022 | strcat (p, "/Contents/Resources/etc"); | |
3023 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
3024 | setenv ("EMACSDOC", p, 1); | |
3025 | } | |
3026 | ||
3027 | if (!getenv ("INFOPATH")) | |
3028 | { | |
3029 | strcpy (p, app_bundle_pathname); | |
3030 | strcat (p, "/Contents/Resources/info"); | |
3031 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
3032 | setenv ("INFOPATH", p, 1); | |
3033 | } | |
3034 | } | |
8030369c | 3035 | #endif /* MAC_OSX */ |
1a578e9b AC |
3036 | |
3037 | void | |
3038 | syms_of_mac () | |
3039 | { | |
3040 | QCLIPBOARD = intern ("CLIPBOARD"); | |
3041 | staticpro (&QCLIPBOARD); | |
7d0393cf | 3042 | |
1a578e9b AC |
3043 | defsubr (&Smac_paste_function); |
3044 | defsubr (&Smac_cut_function); | |
3045 | defsubr (&Sx_selection_exists_p); | |
3046 | ||
3047 | defsubr (&Sdo_applescript); | |
60fe1161 AC |
3048 | defsubr (&Smac_file_name_to_posix); |
3049 | defsubr (&Sposix_file_name_to_mac); | |
1a578e9b | 3050 | } |
ab5796a9 MB |
3051 | |
3052 | /* arch-tag: 29d30c1f-0c6b-4f88-8a6d-0558d7f9dbff | |
3053 | (do not change this comment) */ |