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 | 28 | |
b564370b | 29 | #ifdef HAVE_CARBON |
e0f712ba AC |
30 | #ifdef MAC_OSX |
31 | #undef mktime | |
32 | #undef DEBUG | |
33 | #undef free | |
34 | #undef malloc | |
35 | #undef realloc | |
f00691a3 | 36 | #undef init_process |
e0f712ba | 37 | #include <Carbon/Carbon.h> |
c3f4c690 ST |
38 | #undef mktime |
39 | #define mktime emacs_mktime | |
e0f712ba AC |
40 | #undef free |
41 | #define free unexec_free | |
42 | #undef malloc | |
43 | #define malloc unexec_malloc | |
44 | #undef realloc | |
45 | #define realloc unexec_realloc | |
f00691a3 AC |
46 | #undef init_process |
47 | #define init_process emacs_init_process | |
b564370b YM |
48 | #else /* not MAC_OSX */ |
49 | #undef SIGHUP | |
50 | #define OLDP2C 1 | |
51 | #include <Carbon.h> | |
52 | #endif /* not MAC_OSX */ | |
53 | #else /* not HAVE_CARBON */ | |
1a578e9b AC |
54 | #include <Files.h> |
55 | #include <MacTypes.h> | |
56 | #include <TextUtils.h> | |
57 | #include <Folders.h> | |
58 | #include <Resources.h> | |
59 | #include <Aliases.h> | |
60 | #include <FixMath.h> | |
61 | #include <Timer.h> | |
62 | #include <OSA.h> | |
63 | #include <AppleScript.h> | |
e0f712ba | 64 | #include <Scrap.h> |
b564370b YM |
65 | #include <Events.h> |
66 | #include <Processes.h> | |
67 | #include <EPPC.h> | |
68 | #endif /* not HAVE_CARBON */ | |
69 | ||
70 | #include <utime.h> | |
71 | #include <dirent.h> | |
72 | #include <sys/types.h> | |
73 | #include <sys/stat.h> | |
74 | #include <string.h> | |
75 | #include <pwd.h> | |
76 | #include <grp.h> | |
77 | #include <sys/param.h> | |
78 | #include <stdlib.h> | |
79 | #include <fcntl.h> | |
80 | #if __MWERKS__ | |
81 | #include <unistd.h> | |
82 | #endif | |
1a578e9b AC |
83 | |
84 | #include "lisp.h" | |
85 | #include "process.h" | |
86 | #include "sysselect.h" | |
87 | #include "systime.h" | |
c3f4c690 | 88 | #include "blockinput.h" |
1a578e9b AC |
89 | |
90 | Lisp_Object QCLIPBOARD; | |
91 | ||
92 | /* An instance of the AppleScript component. */ | |
93 | static ComponentInstance as_scripting_component; | |
94 | /* The single script context used for all script executions. */ | |
95 | static OSAID as_script_context; | |
96 | ||
97 | ||
98 | /* When converting from Mac to Unix pathnames, /'s in folder names are | |
99 | converted to :'s. This function, used in copying folder names, | |
100 | performs a strncat and converts all character a to b in the copy of | |
101 | the string s2 appended to the end of s1. */ | |
102 | ||
103 | void | |
104 | string_cat_and_replace (char *s1, const char *s2, int n, char a, char b) | |
105 | { | |
106 | int l1 = strlen (s1); | |
107 | int l2 = strlen (s2); | |
108 | char *p = s1 + l1; | |
109 | int i; | |
7d0393cf | 110 | |
1a578e9b AC |
111 | strncat (s1, s2, n); |
112 | for (i = 0; i < l2; i++) | |
113 | { | |
114 | if (*p == a) | |
115 | *p = b; | |
116 | p++; | |
117 | } | |
118 | } | |
119 | ||
120 | ||
e0f712ba | 121 | /* Convert a Mac pathname to Posix form. A Mac full pathname is one |
1a578e9b | 122 | that does not begin with a ':' and contains at least one ':'. A Mac |
7d0393cf | 123 | full pathname causes a '/' to be prepended to the Posix pathname. |
1a578e9b AC |
124 | The algorithm for the rest of the pathname is as follows: |
125 | For each segment between two ':', | |
126 | if it is non-null, copy as is and then add a '/' at the end, | |
e0f712ba | 127 | otherwise, insert a "../" into the Posix pathname. |
1a578e9b | 128 | Returns 1 if successful; 0 if fails. */ |
7d0393cf | 129 | |
1a578e9b | 130 | int |
60fe1161 | 131 | mac_to_posix_pathname (const char *mfn, char *ufn, int ufnbuflen) |
1a578e9b AC |
132 | { |
133 | const char *p, *q, *pe; | |
7d0393cf | 134 | |
1a578e9b | 135 | strcpy (ufn, ""); |
7d0393cf | 136 | |
1a578e9b AC |
137 | if (*mfn == '\0') |
138 | return 1; | |
7d0393cf | 139 | |
1a578e9b AC |
140 | p = strchr (mfn, ':'); |
141 | if (p != 0 && p != mfn) /* full pathname */ | |
142 | strcat (ufn, "/"); | |
7d0393cf | 143 | |
1a578e9b AC |
144 | p = mfn; |
145 | if (*p == ':') | |
146 | p++; | |
147 | ||
148 | pe = mfn + strlen (mfn); | |
149 | while (p < pe) | |
150 | { | |
151 | q = strchr (p, ':'); | |
152 | if (q) | |
153 | { | |
154 | if (q == p) | |
155 | { /* two consecutive ':' */ | |
156 | if (strlen (ufn) + 3 >= ufnbuflen) | |
157 | return 0; | |
158 | strcat (ufn, "../"); | |
159 | } | |
160 | else | |
161 | { | |
162 | if (strlen (ufn) + (q - p) + 1 >= ufnbuflen) | |
163 | return 0; | |
164 | string_cat_and_replace (ufn, p, q - p, '/', ':'); | |
165 | strcat (ufn, "/"); | |
166 | } | |
167 | p = q + 1; | |
168 | } | |
169 | else | |
170 | { | |
171 | if (strlen (ufn) + (pe - p) >= ufnbuflen) | |
172 | return 0; | |
173 | string_cat_and_replace (ufn, p, pe - p, '/', ':'); | |
174 | /* no separator for last one */ | |
175 | p = pe; | |
176 | } | |
177 | } | |
7d0393cf | 178 | |
1a578e9b AC |
179 | return 1; |
180 | } | |
181 | ||
182 | ||
183 | extern char *get_temp_dir_name (); | |
184 | ||
185 | ||
e0f712ba | 186 | /* Convert a Posix pathname to Mac form. Approximately reverse of the |
1a578e9b | 187 | above in algorithm. */ |
7d0393cf | 188 | |
1a578e9b | 189 | int |
60fe1161 | 190 | posix_to_mac_pathname (const char *ufn, char *mfn, int mfnbuflen) |
1a578e9b AC |
191 | { |
192 | const char *p, *q, *pe; | |
193 | char expanded_pathname[MAXPATHLEN+1]; | |
7d0393cf | 194 | |
1a578e9b | 195 | strcpy (mfn, ""); |
7d0393cf | 196 | |
1a578e9b AC |
197 | if (*ufn == '\0') |
198 | return 1; | |
199 | ||
200 | p = ufn; | |
7d0393cf | 201 | |
1a578e9b AC |
202 | /* Check for and handle volume names. Last comparison: strangely |
203 | somewhere "/.emacs" is passed. A temporary fix for now. */ | |
204 | if (*p == '/' && strchr (p+1, '/') == NULL && strcmp (p, "/.emacs") != 0) | |
205 | { | |
206 | if (strlen (p) + 1 > mfnbuflen) | |
207 | return 0; | |
208 | strcpy (mfn, p+1); | |
209 | strcat (mfn, ":"); | |
210 | return 1; | |
211 | } | |
212 | ||
213 | /* expand to emacs dir found by init_emacs_passwd_dir */ | |
214 | if (strncmp (p, "~emacs/", 7) == 0) | |
215 | { | |
216 | struct passwd *pw = getpwnam ("emacs"); | |
217 | p += 7; | |
218 | if (strlen (pw->pw_dir) + strlen (p) > MAXPATHLEN) | |
219 | return 0; | |
220 | strcpy (expanded_pathname, pw->pw_dir); | |
221 | strcat (expanded_pathname, p); | |
222 | p = expanded_pathname; | |
223 | /* now p points to the pathname with emacs dir prefix */ | |
224 | } | |
225 | else if (strncmp (p, "/tmp/", 5) == 0) | |
226 | { | |
227 | char *t = get_temp_dir_name (); | |
228 | p += 5; | |
229 | if (strlen (t) + strlen (p) > MAXPATHLEN) | |
230 | return 0; | |
231 | strcpy (expanded_pathname, t); | |
232 | strcat (expanded_pathname, p); | |
233 | p = expanded_pathname; | |
234 | /* now p points to the pathname with emacs dir prefix */ | |
7d0393cf | 235 | } |
1a578e9b AC |
236 | else if (*p != '/') /* relative pathname */ |
237 | strcat (mfn, ":"); | |
7d0393cf | 238 | |
1a578e9b AC |
239 | if (*p == '/') |
240 | p++; | |
241 | ||
242 | pe = p + strlen (p); | |
243 | while (p < pe) | |
244 | { | |
245 | q = strchr (p, '/'); | |
246 | if (q) | |
247 | { | |
248 | if (q - p == 2 && *p == '.' && *(p+1) == '.') | |
249 | { | |
250 | if (strlen (mfn) + 1 >= mfnbuflen) | |
251 | return 0; | |
252 | strcat (mfn, ":"); | |
253 | } | |
254 | else | |
255 | { | |
256 | if (strlen (mfn) + (q - p) + 1 >= mfnbuflen) | |
257 | return 0; | |
258 | string_cat_and_replace (mfn, p, q - p, ':', '/'); | |
259 | strcat (mfn, ":"); | |
260 | } | |
261 | p = q + 1; | |
262 | } | |
263 | else | |
264 | { | |
265 | if (strlen (mfn) + (pe - p) >= mfnbuflen) | |
266 | return 0; | |
267 | string_cat_and_replace (mfn, p, pe - p, ':', '/'); | |
268 | p = pe; | |
269 | } | |
270 | } | |
7d0393cf | 271 | |
1a578e9b AC |
272 | return 1; |
273 | } | |
274 | ||
d8f96db8 ST |
275 | #if TARGET_API_MAC_CARBON |
276 | CFStringRef | |
277 | cfstring_create_with_utf8_cstring (c_str) | |
278 | const char *c_str; | |
279 | { | |
280 | CFStringRef str; | |
281 | ||
282 | str = CFStringCreateWithCString (NULL, c_str, kCFStringEncodingUTF8); | |
283 | if (str == NULL) | |
284 | /* Failed to interpret as UTF 8. Fall back on Mac Roman. */ | |
285 | str = CFStringCreateWithCString (NULL, c_str, kCFStringEncodingMacRoman); | |
286 | ||
287 | return str; | |
288 | } | |
289 | #endif | |
290 | ||
e0f712ba | 291 | #ifndef MAC_OSX |
1a578e9b AC |
292 | |
293 | /* The following functions with "sys_" prefix are stubs to Unix | |
294 | functions that have already been implemented by CW or MPW. The | |
295 | calls to them in Emacs source course are #define'd to call the sys_ | |
296 | versions by the header files s-mac.h. In these stubs pathnames are | |
297 | converted between their Unix and Mac forms. */ | |
298 | ||
299 | ||
300 | /* Unix epoch is Jan 1, 1970 while Mac epoch is Jan 1, 1904: 66 years | |
301 | + 17 leap days. These are for adjusting time values returned by | |
302 | MacOS Toolbox functions. */ | |
303 | ||
304 | #define MAC_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) | |
305 | ||
306 | #ifdef __MWERKS__ | |
e0f712ba | 307 | #if __MSL__ < 0x6000 |
1a578e9b AC |
308 | /* CW Pro 5 epoch is Jan 1, 1900 (aaarghhhhh!); remember, 1900 is not |
309 | a leap year! This is for adjusting time_t values returned by MSL | |
310 | functions. */ | |
311 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 70 + 17) * 24 * 60 * 60) | |
e0f712ba AC |
312 | #else /* __MSL__ >= 0x6000 */ |
313 | /* CW changes Pro 6 to follow Unix! */ | |
1a578e9b | 314 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) |
e0f712ba | 315 | #endif /* __MSL__ >= 0x6000 */ |
1a578e9b AC |
316 | #elif __MRC__ |
317 | /* MPW library functions follow Unix (confused?). */ | |
318 | #define CW_OR_MPW_UNIX_EPOCH_DIFF ((365L * 66 + 17) * 24 * 60 * 60) | |
e0f712ba | 319 | #else /* not __MRC__ */ |
1a578e9b | 320 | You lose!!! |
e0f712ba | 321 | #endif /* not __MRC__ */ |
1a578e9b AC |
322 | |
323 | ||
324 | /* Define our own stat function for both MrC and CW. The reason for | |
325 | doing this: "stat" is both the name of a struct and function name: | |
326 | can't use the same trick like that for sys_open, sys_close, etc. to | |
327 | redirect Emacs's calls to our own version that converts Unix style | |
328 | filenames to Mac style filename because all sorts of compilation | |
329 | errors will be generated if stat is #define'd to be sys_stat. */ | |
330 | ||
331 | int | |
332 | stat_noalias (const char *path, struct stat *buf) | |
333 | { | |
334 | char mac_pathname[MAXPATHLEN+1]; | |
335 | CInfoPBRec cipb; | |
336 | ||
60fe1161 | 337 | if (posix_to_mac_pathname (path, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
338 | return -1; |
339 | ||
340 | c2pstr (mac_pathname); | |
341 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
342 | cipb.hFileInfo.ioVRefNum = 0; | |
343 | cipb.hFileInfo.ioDirID = 0; | |
344 | cipb.hFileInfo.ioFDirIndex = 0; | |
345 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 346 | |
1a578e9b AC |
347 | errno = PBGetCatInfo (&cipb, false); |
348 | if (errno == -43) /* -43: fnfErr defined in Errors.h */ | |
349 | errno = ENOENT; | |
350 | if (errno != noErr) | |
351 | return -1; | |
352 | ||
353 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* bit 4 = 1 for directories */ | |
354 | { | |
355 | buf->st_mode = S_IFDIR | S_IREAD | S_IEXEC; | |
7d0393cf | 356 | |
1a578e9b AC |
357 | if (!(cipb.hFileInfo.ioFlAttrib & 0x1)) |
358 | buf->st_mode |= S_IWRITE; /* bit 1 = 1 for locked files/directories */ | |
359 | buf->st_ino = cipb.dirInfo.ioDrDirID; | |
360 | buf->st_dev = cipb.dirInfo.ioVRefNum; | |
361 | buf->st_size = cipb.dirInfo.ioDrNmFls; | |
362 | /* size of dir = number of files and dirs */ | |
363 | buf->st_atime | |
364 | = buf->st_mtime | |
365 | = cipb.dirInfo.ioDrMdDat - MAC_UNIX_EPOCH_DIFF; | |
366 | buf->st_ctime = cipb.dirInfo.ioDrCrDat - MAC_UNIX_EPOCH_DIFF; | |
367 | } | |
368 | else | |
369 | { | |
370 | buf->st_mode = S_IFREG | S_IREAD; | |
371 | if (!(cipb.hFileInfo.ioFlAttrib & 0x1)) | |
372 | buf->st_mode |= S_IWRITE; /* bit 1 = 1 for locked files/directories */ | |
373 | if (cipb.hFileInfo.ioFlFndrInfo.fdType == 'APPL') | |
374 | buf->st_mode |= S_IEXEC; | |
375 | buf->st_ino = cipb.hFileInfo.ioDirID; | |
376 | buf->st_dev = cipb.hFileInfo.ioVRefNum; | |
377 | buf->st_size = cipb.hFileInfo.ioFlLgLen; | |
378 | buf->st_atime | |
379 | = buf->st_mtime | |
380 | = cipb.hFileInfo.ioFlMdDat - MAC_UNIX_EPOCH_DIFF; | |
381 | buf->st_ctime = cipb.hFileInfo.ioFlCrDat - MAC_UNIX_EPOCH_DIFF; | |
382 | } | |
383 | ||
384 | if (cipb.hFileInfo.ioFlFndrInfo.fdFlags & 0x8000) | |
385 | { | |
386 | /* identify alias files as symlinks */ | |
1a578e9b | 387 | buf->st_mode &= ~S_IFREG; |
3b6944ed | 388 | buf->st_mode |= S_IFLNK; |
1a578e9b AC |
389 | } |
390 | ||
391 | buf->st_nlink = 1; | |
392 | buf->st_uid = getuid (); | |
393 | buf->st_gid = getgid (); | |
394 | buf->st_rdev = 0; | |
395 | ||
396 | return 0; | |
397 | } | |
398 | ||
399 | ||
400 | int | |
401 | lstat (const char *path, struct stat *buf) | |
402 | { | |
403 | int result; | |
404 | char true_pathname[MAXPATHLEN+1]; | |
405 | ||
406 | /* Try looking for the file without resolving aliases first. */ | |
407 | if ((result = stat_noalias (path, buf)) >= 0) | |
408 | return result; | |
409 | ||
410 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) | |
411 | return -1; | |
7d0393cf | 412 | |
1a578e9b AC |
413 | return stat_noalias (true_pathname, buf); |
414 | } | |
415 | ||
416 | ||
417 | int | |
418 | stat (const char *path, struct stat *sb) | |
419 | { | |
420 | int result; | |
7d0393cf | 421 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b | 422 | int len; |
7d0393cf | 423 | |
3b6944ed AC |
424 | if ((result = stat_noalias (path, sb)) >= 0 && |
425 | ! (sb->st_mode & S_IFLNK)) | |
1a578e9b AC |
426 | return result; |
427 | ||
428 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) | |
429 | return -1; | |
7d0393cf | 430 | |
1a578e9b AC |
431 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
432 | if (len > -1) | |
433 | { | |
434 | fully_resolved_name[len] = '\0'; | |
435 | /* in fact our readlink terminates strings */ | |
436 | return lstat (fully_resolved_name, sb); | |
437 | } | |
438 | else | |
439 | return lstat (true_pathname, sb); | |
440 | } | |
441 | ||
442 | ||
443 | #if __MRC__ | |
444 | /* CW defines fstat in stat.mac.c while MPW does not provide this | |
445 | function. Without the information of how to get from a file | |
446 | descriptor in MPW StdCLib to a Mac OS file spec, it should be hard | |
447 | to implement this function. Fortunately, there is only one place | |
448 | where this function is called in our configuration: in fileio.c, | |
449 | where only the st_dev and st_ino fields are used to determine | |
450 | whether two fildes point to different i-nodes to prevent copying | |
451 | a file onto itself equal. What we have here probably needs | |
452 | improvement. */ | |
453 | ||
454 | int | |
455 | fstat (int fildes, struct stat *buf) | |
456 | { | |
457 | buf->st_dev = 0; | |
458 | buf->st_ino = fildes; | |
459 | buf->st_mode = S_IFREG; /* added by T.I. for the copy-file */ | |
460 | return 0; /* success */ | |
461 | } | |
462 | #endif /* __MRC__ */ | |
463 | ||
464 | ||
1a578e9b AC |
465 | int |
466 | mkdir (const char *dirname, int mode) | |
467 | { | |
468 | #pragma unused(mode) | |
469 | ||
470 | HFileParam hfpb; | |
471 | char true_pathname[MAXPATHLEN+1], mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 472 | |
1a578e9b AC |
473 | if (find_true_pathname (dirname, true_pathname, MAXPATHLEN+1) == -1) |
474 | return -1; | |
7d0393cf | 475 | |
60fe1161 | 476 | if (posix_to_mac_pathname (true_pathname, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
477 | return -1; |
478 | ||
479 | c2pstr (mac_pathname); | |
480 | hfpb.ioNamePtr = mac_pathname; | |
481 | hfpb.ioVRefNum = 0; /* ignored unless name is invalid */ | |
482 | hfpb.ioDirID = 0; /* parent is the root */ | |
7d0393cf | 483 | |
1a578e9b AC |
484 | errno = PBDirCreate ((HParmBlkPtr) &hfpb, false); |
485 | /* just return the Mac OSErr code for now */ | |
486 | return errno == noErr ? 0 : -1; | |
487 | } | |
488 | ||
489 | ||
490 | #undef rmdir | |
491 | sys_rmdir (const char *dirname) | |
492 | { | |
493 | HFileParam hfpb; | |
494 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 495 | |
60fe1161 | 496 | if (posix_to_mac_pathname (dirname, mac_pathname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
497 | return -1; |
498 | ||
499 | c2pstr (mac_pathname); | |
500 | hfpb.ioNamePtr = mac_pathname; | |
501 | hfpb.ioVRefNum = 0; /* ignored unless name is invalid */ | |
502 | hfpb.ioDirID = 0; /* parent is the root */ | |
7d0393cf | 503 | |
1a578e9b AC |
504 | errno = PBHDelete ((HParmBlkPtr) &hfpb, false); |
505 | return errno == noErr ? 0 : -1; | |
506 | } | |
507 | ||
508 | ||
509 | #ifdef __MRC__ | |
510 | /* No implementation yet. */ | |
511 | int | |
512 | execvp (const char *path, ...) | |
513 | { | |
514 | return -1; | |
515 | } | |
516 | #endif /* __MRC__ */ | |
517 | ||
518 | ||
519 | int | |
520 | utime (const char *path, const struct utimbuf *times) | |
521 | { | |
7d0393cf | 522 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
523 | int len; |
524 | char mac_pathname[MAXPATHLEN+1]; | |
525 | CInfoPBRec cipb; | |
7d0393cf | 526 | |
1a578e9b AC |
527 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
528 | return -1; | |
7d0393cf | 529 | |
1a578e9b AC |
530 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
531 | if (len > -1) | |
532 | fully_resolved_name[len] = '\0'; | |
533 | else | |
534 | strcpy (fully_resolved_name, true_pathname); | |
535 | ||
60fe1161 | 536 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
537 | return -1; |
538 | ||
539 | c2pstr (mac_pathname); | |
540 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
541 | cipb.hFileInfo.ioVRefNum = 0; | |
542 | cipb.hFileInfo.ioDirID = 0; | |
7d0393cf | 543 | cipb.hFileInfo.ioFDirIndex = 0; |
1a578e9b | 544 | /* set to 0 to get information about specific dir or file */ |
7d0393cf | 545 | |
1a578e9b AC |
546 | errno = PBGetCatInfo (&cipb, false); |
547 | if (errno != noErr) | |
548 | return -1; | |
549 | ||
550 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* bit 4 = 1 for directories */ | |
551 | { | |
552 | if (times) | |
553 | cipb.dirInfo.ioDrMdDat = times->modtime + MAC_UNIX_EPOCH_DIFF; | |
554 | else | |
555 | GetDateTime (&cipb.dirInfo.ioDrMdDat); | |
556 | } | |
557 | else | |
558 | { | |
559 | if (times) | |
560 | cipb.hFileInfo.ioFlMdDat = times->modtime + MAC_UNIX_EPOCH_DIFF; | |
561 | else | |
562 | GetDateTime (&cipb.hFileInfo.ioFlMdDat); | |
563 | } | |
564 | ||
565 | errno = PBSetCatInfo (&cipb, false); | |
566 | return errno == noErr ? 0 : -1; | |
567 | } | |
568 | ||
569 | ||
570 | #ifndef F_OK | |
571 | #define F_OK 0 | |
572 | #endif | |
573 | #ifndef X_OK | |
574 | #define X_OK 1 | |
575 | #endif | |
576 | #ifndef W_OK | |
577 | #define W_OK 2 | |
578 | #endif | |
579 | ||
580 | /* Like stat, but test for access mode in hfpb.ioFlAttrib */ | |
581 | int | |
582 | access (const char *path, int mode) | |
583 | { | |
7d0393cf | 584 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
585 | int len; |
586 | char mac_pathname[MAXPATHLEN+1]; | |
587 | CInfoPBRec cipb; | |
7d0393cf | 588 | |
1a578e9b AC |
589 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
590 | return -1; | |
7d0393cf | 591 | |
1a578e9b AC |
592 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
593 | if (len > -1) | |
594 | fully_resolved_name[len] = '\0'; | |
595 | else | |
596 | strcpy (fully_resolved_name, true_pathname); | |
597 | ||
60fe1161 | 598 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
599 | return -1; |
600 | ||
601 | c2pstr (mac_pathname); | |
602 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
603 | cipb.hFileInfo.ioVRefNum = 0; | |
604 | cipb.hFileInfo.ioDirID = 0; | |
605 | cipb.hFileInfo.ioFDirIndex = 0; | |
606 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 607 | |
1a578e9b AC |
608 | errno = PBGetCatInfo (&cipb, false); |
609 | if (errno != noErr) | |
610 | return -1; | |
611 | ||
612 | if (mode == F_OK) /* got this far, file exists */ | |
613 | return 0; | |
614 | ||
615 | if (mode & X_OK) | |
616 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* path refers to a directory */ | |
617 | return 0; | |
618 | else | |
619 | { | |
620 | if (cipb.hFileInfo.ioFlFndrInfo.fdType == 'APPL') | |
621 | return 0; | |
622 | else | |
623 | return -1; | |
624 | } | |
625 | ||
626 | if (mode & W_OK) | |
627 | return (cipb.hFileInfo.ioFlAttrib & 0x1) ? -1 : 0; | |
628 | /* don't allow if lock bit is on */ | |
629 | ||
630 | return -1; | |
631 | } | |
632 | ||
633 | ||
634 | #define DEV_NULL_FD 0x10000 | |
635 | ||
636 | #undef open | |
637 | int | |
638 | sys_open (const char *path, int oflag) | |
639 | { | |
7d0393cf | 640 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
641 | int len; |
642 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 643 | |
1a578e9b AC |
644 | if (strcmp (path, "/dev/null") == 0) |
645 | return DEV_NULL_FD; /* some bogus fd to be ignored in write */ | |
7d0393cf | 646 | |
1a578e9b AC |
647 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
648 | return -1; | |
7d0393cf | 649 | |
1a578e9b AC |
650 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
651 | if (len > -1) | |
652 | fully_resolved_name[len] = '\0'; | |
653 | else | |
654 | strcpy (fully_resolved_name, true_pathname); | |
655 | ||
60fe1161 | 656 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
657 | return -1; |
658 | else | |
659 | { | |
660 | #ifdef __MRC__ | |
3b6944ed AC |
661 | int res = open (mac_pathname, oflag); |
662 | /* if (oflag == O_WRONLY || oflag == O_RDWR) */ | |
663 | if (oflag & O_CREAT) | |
1a578e9b | 664 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); |
3b6944ed | 665 | return res; |
e0f712ba | 666 | #else /* not __MRC__ */ |
1a578e9b | 667 | return open (mac_pathname, oflag); |
e0f712ba | 668 | #endif /* not __MRC__ */ |
1a578e9b AC |
669 | } |
670 | } | |
671 | ||
672 | ||
673 | #undef creat | |
674 | int | |
675 | sys_creat (const char *path, mode_t mode) | |
676 | { | |
7d0393cf | 677 | char true_pathname[MAXPATHLEN+1]; |
1a578e9b AC |
678 | int len; |
679 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 680 | |
1a578e9b AC |
681 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
682 | return -1; | |
683 | ||
60fe1161 | 684 | if (!posix_to_mac_pathname (true_pathname, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
685 | return -1; |
686 | else | |
687 | { | |
688 | #ifdef __MRC__ | |
689 | int result = creat (mac_pathname); | |
690 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); | |
691 | return result; | |
e0f712ba | 692 | #else /* not __MRC__ */ |
1a578e9b | 693 | return creat (mac_pathname, mode); |
e0f712ba | 694 | #endif /* not __MRC__ */ |
1a578e9b AC |
695 | } |
696 | } | |
697 | ||
698 | ||
699 | #undef unlink | |
700 | int | |
701 | sys_unlink (const char *path) | |
702 | { | |
7d0393cf | 703 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
704 | int len; |
705 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 706 | |
1a578e9b AC |
707 | if (find_true_pathname (path, true_pathname, MAXPATHLEN+1) == -1) |
708 | return -1; | |
7d0393cf | 709 | |
1a578e9b AC |
710 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
711 | if (len > -1) | |
712 | fully_resolved_name[len] = '\0'; | |
713 | else | |
714 | strcpy (fully_resolved_name, true_pathname); | |
715 | ||
60fe1161 | 716 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
717 | return -1; |
718 | else | |
719 | return unlink (mac_pathname); | |
720 | } | |
721 | ||
722 | ||
723 | #undef read | |
724 | int | |
725 | sys_read (int fildes, char *buf, int count) | |
726 | { | |
727 | if (fildes == 0) /* this should not be used for console input */ | |
728 | return -1; | |
729 | else | |
e0f712ba | 730 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
731 | return _read (fildes, buf, count); |
732 | #else | |
733 | return read (fildes, buf, count); | |
734 | #endif | |
735 | } | |
736 | ||
737 | ||
738 | #undef write | |
739 | int | |
740 | sys_write (int fildes, const char *buf, int count) | |
741 | { | |
742 | if (fildes == DEV_NULL_FD) | |
743 | return count; | |
744 | else | |
e0f712ba | 745 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
746 | return _write (fildes, buf, count); |
747 | #else | |
748 | return write (fildes, buf, count); | |
749 | #endif | |
750 | } | |
751 | ||
752 | ||
753 | #undef rename | |
754 | int | |
755 | sys_rename (const char * old_name, const char * new_name) | |
756 | { | |
757 | char true_old_pathname[MAXPATHLEN+1], true_new_pathname[MAXPATHLEN+1]; | |
7d0393cf | 758 | char fully_resolved_old_name[MAXPATHLEN+1]; |
1a578e9b AC |
759 | int len; |
760 | char mac_old_name[MAXPATHLEN+1], mac_new_name[MAXPATHLEN+1]; | |
7d0393cf | 761 | |
1a578e9b AC |
762 | if (find_true_pathname (old_name, true_old_pathname, MAXPATHLEN+1) == -1) |
763 | return -1; | |
7d0393cf | 764 | |
1a578e9b AC |
765 | len = readlink (true_old_pathname, fully_resolved_old_name, MAXPATHLEN); |
766 | if (len > -1) | |
767 | fully_resolved_old_name[len] = '\0'; | |
768 | else | |
769 | strcpy (fully_resolved_old_name, true_old_pathname); | |
770 | ||
771 | if (find_true_pathname (new_name, true_new_pathname, MAXPATHLEN+1) == -1) | |
772 | return -1; | |
7d0393cf | 773 | |
1a578e9b AC |
774 | if (strcmp (fully_resolved_old_name, true_new_pathname) == 0) |
775 | return 0; | |
776 | ||
60fe1161 | 777 | if (!posix_to_mac_pathname (fully_resolved_old_name, |
1a578e9b AC |
778 | mac_old_name, |
779 | MAXPATHLEN+1)) | |
780 | return -1; | |
7d0393cf | 781 | |
60fe1161 | 782 | if (!posix_to_mac_pathname(true_new_pathname, mac_new_name, MAXPATHLEN+1)) |
1a578e9b AC |
783 | return -1; |
784 | ||
785 | /* If a file with new_name already exists, rename deletes the old | |
786 | file in Unix. CW version fails in these situation. So we add a | |
787 | call to unlink here. */ | |
788 | (void) unlink (mac_new_name); | |
7d0393cf | 789 | |
1a578e9b AC |
790 | return rename (mac_old_name, mac_new_name); |
791 | } | |
792 | ||
793 | ||
794 | #undef fopen | |
795 | extern FILE *fopen (const char *name, const char *mode); | |
796 | FILE * | |
797 | sys_fopen (const char *name, const char *mode) | |
798 | { | |
7d0393cf | 799 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
800 | int len; |
801 | char mac_pathname[MAXPATHLEN+1]; | |
7d0393cf | 802 | |
1a578e9b AC |
803 | if (find_true_pathname (name, true_pathname, MAXPATHLEN+1) == -1) |
804 | return 0; | |
7d0393cf | 805 | |
1a578e9b AC |
806 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
807 | if (len > -1) | |
808 | fully_resolved_name[len] = '\0'; | |
809 | else | |
810 | strcpy (fully_resolved_name, true_pathname); | |
811 | ||
60fe1161 | 812 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
813 | return 0; |
814 | else | |
815 | { | |
816 | #ifdef __MRC__ | |
817 | if (mode[0] == 'w' || mode[0] == 'a') | |
818 | fsetfileinfo (mac_pathname, 'EMAx', 'TEXT'); | |
e0f712ba | 819 | #endif /* not __MRC__ */ |
1a578e9b AC |
820 | return fopen (mac_pathname, mode); |
821 | } | |
822 | } | |
823 | ||
824 | ||
1a578e9b AC |
825 | long target_ticks = 0; |
826 | ||
827 | #ifdef __MRC__ | |
828 | __sigfun alarm_signal_func = (__sigfun) 0; | |
829 | #elif __MWERKS__ | |
830 | __signal_func_ptr alarm_signal_func = (__signal_func_ptr) 0; | |
e0f712ba | 831 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 832 | You lose!!! |
e0f712ba | 833 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
834 | |
835 | ||
836 | /* These functions simulate SIG_ALRM. The stub for function signal | |
837 | stores the signal handler function in alarm_signal_func if a | |
838 | SIG_ALRM is encountered. check_alarm is called in XTread_socket, | |
839 | which emacs calls periodically. A pending alarm is represented by | |
840 | a non-zero target_ticks value. check_alarm calls the handler | |
841 | function pointed to by alarm_signal_func if one has been set up and | |
842 | an alarm is pending. */ | |
843 | ||
844 | void | |
845 | check_alarm () | |
846 | { | |
847 | if (target_ticks && TickCount () > target_ticks) | |
848 | { | |
849 | target_ticks = 0; | |
850 | if (alarm_signal_func) | |
851 | (*alarm_signal_func)(SIGALRM); | |
852 | } | |
853 | } | |
854 | ||
855 | ||
b15325b2 ST |
856 | extern Boolean mac_wait_next_event (EventRecord *, UInt32, Boolean); |
857 | ||
1a578e9b | 858 | int |
e0f712ba | 859 | select (n, rfds, wfds, efds, timeout) |
1a578e9b AC |
860 | int n; |
861 | SELECT_TYPE *rfds; | |
862 | SELECT_TYPE *wfds; | |
863 | SELECT_TYPE *efds; | |
864 | struct timeval *timeout; | |
865 | { | |
b15325b2 | 866 | #if TARGET_API_MAC_CARBON |
b564370b YM |
867 | OSErr err; |
868 | EventTimeout timeout_sec = | |
869 | (timeout | |
870 | ? (EMACS_SECS (*timeout) * kEventDurationSecond | |
871 | + EMACS_USECS (*timeout) * kEventDurationMicrosecond) | |
872 | : kEventDurationForever); | |
873 | ||
874 | if (FD_ISSET (0, rfds)) | |
875 | { | |
876 | BLOCK_INPUT; | |
877 | err = ReceiveNextEvent (0, NULL, timeout_sec, kEventLeaveInQueue, NULL); | |
878 | UNBLOCK_INPUT; | |
879 | if (err == noErr) | |
880 | return 1; | |
881 | else | |
882 | FD_ZERO (rfds); | |
883 | } | |
884 | return 0; | |
e0f712ba | 885 | #else /* not TARGET_API_MAC_CARBON */ |
1a578e9b | 886 | EventRecord e; |
b15325b2 ST |
887 | UInt32 sleep_time = EMACS_SECS (*timeout) * 60 + |
888 | ((EMACS_USECS (*timeout) * 60) / 1000000); | |
1a578e9b AC |
889 | |
890 | /* Can only handle wait for keyboard input. */ | |
891 | if (n > 1 || wfds || efds) | |
892 | return -1; | |
893 | ||
b15325b2 ST |
894 | /* Also return true if an event other than a keyDown has occurred. |
895 | This causes kbd_buffer_get_event in keyboard.c to call | |
896 | read_avail_input which in turn calls XTread_socket to poll for | |
897 | these events. Otherwise these never get processed except but a | |
898 | very slow poll timer. */ | |
899 | if (FD_ISSET (0, rfds) && mac_wait_next_event (&e, sleep_time, false)) | |
900 | return 1; | |
1a578e9b AC |
901 | |
902 | return 0; | |
e0f712ba | 903 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
904 | } |
905 | ||
906 | ||
907 | /* Called in sys_select to wait for an alarm signal to arrive. */ | |
908 | ||
909 | int | |
910 | pause () | |
911 | { | |
fa0b4c14 AC |
912 | EventRecord e; |
913 | unsigned long tick; | |
7d0393cf | 914 | |
1a578e9b AC |
915 | if (!target_ticks) /* no alarm pending */ |
916 | return -1; | |
917 | ||
e0f712ba AC |
918 | if ((tick = TickCount ()) < target_ticks) |
919 | WaitNextEvent (0, &e, target_ticks - tick, NULL); /* Accept no event; | |
920 | just wait. by T.I. */ | |
7d0393cf | 921 | |
1a578e9b AC |
922 | target_ticks = 0; |
923 | if (alarm_signal_func) | |
924 | (*alarm_signal_func)(SIGALRM); | |
7d0393cf | 925 | |
1a578e9b AC |
926 | return 0; |
927 | } | |
928 | ||
929 | ||
930 | int | |
931 | alarm (int seconds) | |
932 | { | |
933 | long remaining = target_ticks ? (TickCount () - target_ticks) / 60 : 0; | |
7d0393cf | 934 | |
1a578e9b | 935 | target_ticks = seconds ? TickCount () + 60 * seconds : 0; |
7d0393cf | 936 | |
1a578e9b AC |
937 | return (remaining < 0) ? 0 : (unsigned int) remaining; |
938 | } | |
939 | ||
940 | ||
941 | #undef signal | |
942 | #ifdef __MRC__ | |
943 | extern __sigfun signal (int signal, __sigfun signal_func); | |
944 | __sigfun | |
945 | sys_signal (int signal_num, __sigfun signal_func) | |
946 | #elif __MWERKS__ | |
947 | extern __signal_func_ptr signal (int signal, __signal_func_ptr signal_func); | |
948 | __signal_func_ptr | |
949 | sys_signal (int signal_num, __signal_func_ptr signal_func) | |
e0f712ba | 950 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 951 | You lose!!! |
e0f712ba | 952 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
953 | { |
954 | if (signal_num != SIGALRM) | |
955 | return signal (signal_num, signal_func); | |
956 | else | |
957 | { | |
958 | #ifdef __MRC__ | |
7d0393cf | 959 | __sigfun old_signal_func; |
1a578e9b | 960 | #elif __MWERKS__ |
7d0393cf | 961 | __signal_func_ptr old_signal_func; |
1a578e9b AC |
962 | #else |
963 | You lose!!! | |
964 | #endif | |
965 | old_signal_func = alarm_signal_func; | |
966 | alarm_signal_func = signal_func; | |
967 | return old_signal_func; | |
968 | } | |
969 | } | |
970 | ||
971 | ||
972 | /* gettimeofday should return the amount of time (in a timeval | |
973 | structure) since midnight today. The toolbox function Microseconds | |
974 | returns the number of microseconds (in a UnsignedWide value) since | |
975 | the machine was booted. Also making this complicated is WideAdd, | |
976 | WideSubtract, etc. take wide values. */ | |
977 | ||
978 | int | |
979 | gettimeofday (tp) | |
980 | struct timeval *tp; | |
981 | { | |
982 | static inited = 0; | |
983 | static wide wall_clock_at_epoch, clicks_at_epoch; | |
984 | UnsignedWide uw_microseconds; | |
985 | wide w_microseconds; | |
986 | time_t sys_time (time_t *); | |
987 | ||
988 | /* If this function is called for the first time, record the number | |
989 | of seconds since midnight and the number of microseconds since | |
990 | boot at the time of this first call. */ | |
991 | if (!inited) | |
992 | { | |
993 | time_t systime; | |
994 | inited = 1; | |
995 | systime = sys_time (NULL); | |
996 | /* Store microseconds since midnight in wall_clock_at_epoch. */ | |
997 | WideMultiply (systime, 1000000L, &wall_clock_at_epoch); | |
998 | Microseconds (&uw_microseconds); | |
999 | /* Store microseconds since boot in clicks_at_epoch. */ | |
1000 | clicks_at_epoch.hi = uw_microseconds.hi; | |
1001 | clicks_at_epoch.lo = uw_microseconds.lo; | |
1002 | } | |
1003 | ||
1004 | /* Get time since boot */ | |
1005 | Microseconds (&uw_microseconds); | |
7d0393cf | 1006 | |
1a578e9b AC |
1007 | /* Convert to time since midnight*/ |
1008 | w_microseconds.hi = uw_microseconds.hi; | |
1009 | w_microseconds.lo = uw_microseconds.lo; | |
1010 | WideSubtract (&w_microseconds, &clicks_at_epoch); | |
1011 | WideAdd (&w_microseconds, &wall_clock_at_epoch); | |
1012 | tp->tv_sec = WideDivide (&w_microseconds, 1000000L, &tp->tv_usec); | |
1013 | ||
1014 | return 0; | |
1015 | } | |
1016 | ||
1017 | ||
1018 | #ifdef __MRC__ | |
1019 | unsigned int | |
1020 | sleep (unsigned int seconds) | |
1021 | { | |
bc04fb2c | 1022 | unsigned long time_up; |
fa0b4c14 AC |
1023 | EventRecord e; |
1024 | ||
bc04fb2c AC |
1025 | time_up = TickCount () + seconds * 60; |
1026 | while (TickCount () < time_up) | |
1027 | { | |
1028 | /* Accept no event; just wait. by T.I. */ | |
1029 | WaitNextEvent (0, &e, 30, NULL); | |
1030 | } | |
1a578e9b | 1031 | |
1a578e9b AC |
1032 | return (0); |
1033 | } | |
1034 | #endif /* __MRC__ */ | |
1035 | ||
1036 | ||
1037 | /* The time functions adjust time values according to the difference | |
1038 | between the Unix and CW epoches. */ | |
1039 | ||
1040 | #undef gmtime | |
1041 | extern struct tm *gmtime (const time_t *); | |
1042 | struct tm * | |
1043 | sys_gmtime (const time_t *timer) | |
1044 | { | |
1045 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
7d0393cf | 1046 | |
1a578e9b AC |
1047 | return gmtime (&unix_time); |
1048 | } | |
1049 | ||
1050 | ||
1051 | #undef localtime | |
1052 | extern struct tm *localtime (const time_t *); | |
1053 | struct tm * | |
1054 | sys_localtime (const time_t *timer) | |
1055 | { | |
e0f712ba | 1056 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1057 | time_t unix_time = *timer; |
1058 | #else | |
1059 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1060 | #endif | |
7d0393cf | 1061 | |
1a578e9b AC |
1062 | return localtime (&unix_time); |
1063 | } | |
1064 | ||
1065 | ||
1066 | #undef ctime | |
1067 | extern char *ctime (const time_t *); | |
1068 | char * | |
1069 | sys_ctime (const time_t *timer) | |
1070 | { | |
e0f712ba | 1071 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1072 | time_t unix_time = *timer; |
1073 | #else | |
1074 | time_t unix_time = *timer + CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1075 | #endif | |
7d0393cf | 1076 | |
1a578e9b AC |
1077 | return ctime (&unix_time); |
1078 | } | |
1079 | ||
1080 | ||
1081 | #undef time | |
1082 | extern time_t time (time_t *); | |
1083 | time_t | |
1084 | sys_time (time_t *timer) | |
1085 | { | |
e0f712ba | 1086 | #if __MSL__ >= 0x6000 |
1a578e9b AC |
1087 | time_t mac_time = time (NULL); |
1088 | #else | |
1089 | time_t mac_time = time (NULL) - CW_OR_MPW_UNIX_EPOCH_DIFF; | |
1090 | #endif | |
1091 | ||
1092 | if (timer) | |
1093 | *timer = mac_time; | |
7d0393cf | 1094 | |
1a578e9b AC |
1095 | return mac_time; |
1096 | } | |
1097 | ||
1098 | ||
1099 | /* MPW strftime broken for "%p" format */ | |
1100 | #ifdef __MRC__ | |
1101 | #undef strftime | |
1102 | #include <time.h> | |
1103 | size_t | |
1104 | sys_strftime (char * s, size_t maxsize, const char * format, | |
1105 | const struct tm * timeptr) | |
1106 | { | |
1107 | if (strcmp (format, "%p") == 0) | |
1108 | { | |
1109 | if (maxsize < 3) | |
1110 | return 0; | |
1111 | if (timeptr->tm_hour < 12) | |
1112 | { | |
1113 | strcpy (s, "AM"); | |
1114 | return 2; | |
1115 | } | |
1116 | else | |
1117 | { | |
1118 | strcpy (s, "PM"); | |
1119 | return 2; | |
1120 | } | |
1121 | } | |
1122 | else | |
1123 | return strftime (s, maxsize, format, timeptr); | |
1124 | } | |
1125 | #endif /* __MRC__ */ | |
1126 | ||
1127 | ||
1128 | /* no subprocesses, empty wait */ | |
1129 | ||
1130 | int | |
1131 | wait (int pid) | |
1132 | { | |
1133 | return 0; | |
1134 | } | |
1135 | ||
1136 | ||
1137 | void | |
1138 | croak (char *badfunc) | |
1139 | { | |
1140 | printf ("%s not yet implemented\r\n", badfunc); | |
1141 | exit (1); | |
1142 | } | |
1143 | ||
1144 | ||
1145 | char * | |
1146 | index (const char * str, int chr) | |
1147 | { | |
1148 | return strchr (str, chr); | |
1149 | } | |
1150 | ||
1151 | ||
1152 | char * | |
1153 | mktemp (char *template) | |
1154 | { | |
1155 | int len, k; | |
1156 | static seqnum = 0; | |
7d0393cf | 1157 | |
1a578e9b AC |
1158 | len = strlen (template); |
1159 | k = len - 1; | |
1160 | while (k >= 0 && template[k] == 'X') | |
1161 | k--; | |
7d0393cf | 1162 | |
1a578e9b | 1163 | k++; /* make k index of first 'X' */ |
7d0393cf | 1164 | |
1a578e9b AC |
1165 | if (k < len) |
1166 | { | |
1167 | /* Zero filled, number of digits equal to the number of X's. */ | |
1168 | sprintf (&template[k], "%0*d", len-k, seqnum++); | |
7d0393cf | 1169 | |
1a578e9b AC |
1170 | return template; |
1171 | } | |
1172 | else | |
7d0393cf | 1173 | return 0; |
1a578e9b AC |
1174 | } |
1175 | ||
1176 | ||
1177 | /* Emulate getpwuid, getpwnam and others. */ | |
1178 | ||
1179 | #define PASSWD_FIELD_SIZE 256 | |
1180 | ||
1181 | static char my_passwd_name[PASSWD_FIELD_SIZE]; | |
1182 | static char my_passwd_dir[MAXPATHLEN+1]; | |
1183 | ||
7d0393cf | 1184 | static struct passwd my_passwd = |
1a578e9b AC |
1185 | { |
1186 | my_passwd_name, | |
1187 | my_passwd_dir, | |
1188 | }; | |
1189 | ||
49e7a2c0 LH |
1190 | static struct group my_group = |
1191 | { | |
1192 | /* There are no groups on the mac, so we just return "root" as the | |
1193 | group name. */ | |
1194 | "root", | |
1195 | }; | |
1196 | ||
1a578e9b AC |
1197 | |
1198 | /* Initialized by main () in macterm.c to pathname of emacs directory. */ | |
1199 | ||
1200 | char emacs_passwd_dir[MAXPATHLEN+1]; | |
1201 | ||
1202 | char * | |
1203 | getwd (char *); | |
1204 | ||
1205 | void | |
1206 | init_emacs_passwd_dir () | |
1207 | { | |
1208 | int found = false; | |
1209 | ||
1210 | if (getwd (emacs_passwd_dir) && getwd (my_passwd_dir)) | |
1211 | { | |
1212 | /* Need pathname of first ancestor that begins with "emacs" | |
1213 | since Mac emacs application is somewhere in the emacs-* | |
1214 | tree. */ | |
1215 | int len = strlen (emacs_passwd_dir); | |
1216 | int j = len - 1; | |
1217 | /* j points to the "/" following the directory name being | |
1218 | compared. */ | |
1219 | int i = j - 1; | |
1220 | while (i >= 0 && !found) | |
1221 | { | |
1222 | while (i >= 0 && emacs_passwd_dir[i] != '/') | |
1223 | i--; | |
1224 | if (emacs_passwd_dir[i] == '/' && i+5 < len) | |
1225 | found = (strncmp (&(emacs_passwd_dir[i+1]), "emacs", 5) == 0); | |
1226 | if (found) | |
1227 | emacs_passwd_dir[j+1] = '\0'; | |
1228 | else | |
1229 | { | |
1230 | j = i; | |
1231 | i = j - 1; | |
1232 | } | |
1233 | } | |
1234 | } | |
7d0393cf | 1235 | |
1a578e9b AC |
1236 | if (!found) |
1237 | { | |
1238 | /* Setting to "/" probably won't work but set it to something | |
1239 | anyway. */ | |
1240 | strcpy (emacs_passwd_dir, "/"); | |
1241 | strcpy (my_passwd_dir, "/"); | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | ||
7d0393cf | 1246 | static struct passwd emacs_passwd = |
1a578e9b AC |
1247 | { |
1248 | "emacs", | |
1249 | emacs_passwd_dir, | |
1250 | }; | |
1251 | ||
1252 | static int my_passwd_inited = 0; | |
1253 | ||
1254 | ||
1255 | static void | |
1256 | init_my_passwd () | |
1257 | { | |
1258 | char **owner_name; | |
1259 | ||
1260 | /* Note: my_passwd_dir initialized in int_emacs_passwd_dir to | |
1261 | directory where Emacs was started. */ | |
1262 | ||
1263 | owner_name = (char **) GetResource ('STR ',-16096); | |
1264 | if (owner_name) | |
1265 | { | |
1266 | HLock (owner_name); | |
1267 | BlockMove ((unsigned char *) *owner_name, | |
1268 | (unsigned char *) my_passwd_name, | |
1269 | *owner_name[0]+1); | |
1270 | HUnlock (owner_name); | |
1271 | p2cstr ((unsigned char *) my_passwd_name); | |
1272 | } | |
1273 | else | |
1274 | my_passwd_name[0] = 0; | |
1275 | } | |
1276 | ||
1277 | ||
1278 | struct passwd * | |
1279 | getpwuid (uid_t uid) | |
1280 | { | |
1281 | if (!my_passwd_inited) | |
7d0393cf | 1282 | { |
1a578e9b AC |
1283 | init_my_passwd (); |
1284 | my_passwd_inited = 1; | |
1285 | } | |
7d0393cf | 1286 | |
1a578e9b AC |
1287 | return &my_passwd; |
1288 | } | |
1289 | ||
1290 | ||
49e7a2c0 LH |
1291 | struct group * |
1292 | getgrgid (gid_t gid) | |
1293 | { | |
1294 | return &my_group; | |
1295 | } | |
1296 | ||
1297 | ||
1a578e9b AC |
1298 | struct passwd * |
1299 | getpwnam (const char *name) | |
1300 | { | |
1301 | if (strcmp (name, "emacs") == 0) | |
1302 | return &emacs_passwd; | |
1303 | ||
1304 | if (!my_passwd_inited) | |
7d0393cf | 1305 | { |
1a578e9b AC |
1306 | init_my_passwd (); |
1307 | my_passwd_inited = 1; | |
1308 | } | |
7d0393cf | 1309 | |
1a578e9b AC |
1310 | return &my_passwd; |
1311 | } | |
1312 | ||
1313 | ||
1314 | /* The functions fork, kill, sigsetmask, sigblock, request_sigio, | |
1315 | setpgrp, setpriority, and unrequest_sigio are defined to be empty | |
1316 | as in msdos.c. */ | |
1317 | ||
1318 | ||
1319 | int | |
1320 | fork () | |
1321 | { | |
1322 | return -1; | |
1323 | } | |
1324 | ||
1325 | ||
1326 | int | |
1327 | kill (int x, int y) | |
1328 | { | |
1329 | return -1; | |
1330 | } | |
1331 | ||
1332 | ||
1333 | void | |
1334 | sys_subshell () | |
1335 | { | |
1336 | error ("Can't spawn subshell"); | |
1337 | } | |
1338 | ||
1339 | ||
1340 | int | |
1341 | sigsetmask (int x) | |
1342 | { | |
1343 | return 0; | |
1344 | } | |
1345 | ||
1346 | ||
1347 | int | |
1348 | sigblock (int mask) | |
1349 | { | |
1350 | return 0; | |
7d0393cf | 1351 | } |
1a578e9b AC |
1352 | |
1353 | ||
1354 | void | |
1355 | request_sigio (void) | |
1356 | { | |
1357 | } | |
1358 | ||
1359 | ||
1360 | void | |
1361 | unrequest_sigio (void) | |
1362 | { | |
1363 | } | |
1364 | ||
1365 | ||
1366 | int | |
1367 | setpgrp () | |
1368 | { | |
1369 | return 0; | |
1370 | } | |
1371 | ||
1372 | ||
1373 | /* No pipes yet. */ | |
1374 | ||
1375 | int | |
1376 | pipe (int _fildes[2]) | |
1377 | { | |
1378 | errno = EACCES; | |
1379 | return -1; | |
1380 | } | |
1381 | ||
1382 | ||
1383 | /* Hard and symbolic links. */ | |
1384 | ||
1385 | int | |
1386 | symlink (const char *name1, const char *name2) | |
1387 | { | |
1388 | errno = ENOENT; | |
1389 | return -1; | |
1390 | } | |
1391 | ||
1392 | ||
1393 | int | |
1394 | link (const char *name1, const char *name2) | |
1395 | { | |
1396 | errno = ENOENT; | |
1397 | return -1; | |
1398 | } | |
1399 | ||
e0f712ba | 1400 | #endif /* ! MAC_OSX */ |
1a578e9b AC |
1401 | |
1402 | /* Determine the path name of the file specified by VREFNUM, DIRID, | |
1403 | and NAME and place that in the buffer PATH of length | |
1404 | MAXPATHLEN. */ | |
1405 | int | |
1406 | path_from_vol_dir_name (char *path, int man_path_len, short vol_ref_num, | |
1407 | long dir_id, ConstStr255Param name) | |
1408 | { | |
1409 | Str255 dir_name; | |
1410 | CInfoPBRec cipb; | |
1411 | OSErr err; | |
1412 | ||
1413 | if (strlen (name) > man_path_len) | |
1414 | return 0; | |
1415 | ||
1416 | memcpy (dir_name, name, name[0]+1); | |
1417 | memcpy (path, name, name[0]+1); | |
1418 | p2cstr (path); | |
1419 | ||
1420 | cipb.dirInfo.ioDrParID = dir_id; | |
1421 | cipb.dirInfo.ioNamePtr = dir_name; | |
1422 | ||
1423 | do | |
1424 | { | |
1425 | cipb.dirInfo.ioVRefNum = vol_ref_num; | |
1426 | cipb.dirInfo.ioFDirIndex = -1; | |
1427 | cipb.dirInfo.ioDrDirID = cipb.dirInfo.ioDrParID; | |
1428 | /* go up to parent each time */ | |
1429 | ||
1430 | err = PBGetCatInfo (&cipb, false); | |
1431 | if (err != noErr) | |
1432 | return 0; | |
7d0393cf | 1433 | |
1a578e9b AC |
1434 | p2cstr (dir_name); |
1435 | if (strlen (dir_name) + strlen (path) + 1 >= man_path_len) | |
1436 | return 0; | |
1437 | ||
1438 | strcat (dir_name, ":"); | |
1439 | strcat (dir_name, path); | |
1440 | /* attach to front since we're going up directory tree */ | |
1441 | strcpy (path, dir_name); | |
1442 | } | |
1443 | while (cipb.dirInfo.ioDrDirID != fsRtDirID); | |
1444 | /* stop when we see the volume's root directory */ | |
7d0393cf | 1445 | |
1a578e9b AC |
1446 | return 1; /* success */ |
1447 | } | |
1448 | ||
b564370b YM |
1449 | |
1450 | OSErr | |
1451 | posix_pathname_to_fsspec (ufn, fs) | |
1452 | const char *ufn; | |
1453 | FSSpec *fs; | |
1454 | { | |
1455 | Str255 mac_pathname; | |
1456 | ||
1457 | if (posix_to_mac_pathname (ufn, mac_pathname, sizeof (mac_pathname)) == 0) | |
1458 | return fnfErr; | |
1459 | else | |
1460 | { | |
1461 | c2pstr (mac_pathname); | |
1462 | return FSMakeFSSpec (0, 0, mac_pathname, fs); | |
1463 | } | |
1464 | } | |
1465 | ||
1466 | OSErr | |
1467 | fsspec_to_posix_pathname (fs, ufn, ufnbuflen) | |
1468 | const FSSpec *fs; | |
1469 | char *ufn; | |
1470 | int ufnbuflen; | |
1471 | { | |
1472 | char mac_pathname[MAXPATHLEN]; | |
1473 | ||
1474 | if (path_from_vol_dir_name (mac_pathname, sizeof (mac_pathname) - 1, | |
1475 | fs->vRefNum, fs->parID, fs->name) | |
1476 | && mac_to_posix_pathname (mac_pathname, ufn, ufnbuflen)) | |
1477 | return noErr; | |
1478 | else | |
1479 | return fnfErr; | |
1480 | } | |
1481 | ||
e0f712ba | 1482 | #ifndef MAC_OSX |
1a578e9b AC |
1483 | |
1484 | int | |
1485 | readlink (const char *path, char *buf, int bufsiz) | |
1486 | { | |
1487 | char mac_sym_link_name[MAXPATHLEN+1]; | |
1488 | OSErr err; | |
1489 | FSSpec fsspec; | |
1490 | Boolean target_is_folder, was_aliased; | |
1491 | Str255 directory_name, mac_pathname; | |
1492 | CInfoPBRec cipb; | |
1493 | ||
60fe1161 | 1494 | if (posix_to_mac_pathname (path, mac_sym_link_name, MAXPATHLEN+1) == 0) |
1a578e9b AC |
1495 | return -1; |
1496 | ||
1497 | c2pstr (mac_sym_link_name); | |
1498 | err = FSMakeFSSpec (0, 0, mac_sym_link_name, &fsspec); | |
1499 | if (err != noErr) | |
1500 | { | |
1501 | errno = ENOENT; | |
1502 | return -1; | |
1503 | } | |
1504 | ||
1505 | err = ResolveAliasFile (&fsspec, true, &target_is_folder, &was_aliased); | |
1506 | if (err != noErr || !was_aliased) | |
1507 | { | |
1508 | errno = ENOENT; | |
1509 | return -1; | |
1510 | } | |
1511 | ||
1512 | if (path_from_vol_dir_name (mac_pathname, 255, fsspec.vRefNum, fsspec.parID, | |
1513 | fsspec.name) == 0) | |
1514 | { | |
1515 | errno = ENOENT; | |
1516 | return -1; | |
1517 | } | |
1518 | ||
60fe1161 | 1519 | if (mac_to_posix_pathname (mac_pathname, buf, bufsiz) == 0) |
1a578e9b AC |
1520 | { |
1521 | errno = ENOENT; | |
1522 | return -1; | |
1523 | } | |
1524 | ||
1525 | return strlen (buf); | |
1526 | } | |
1527 | ||
1528 | ||
1529 | /* Convert a path to one with aliases fully expanded. */ | |
1530 | ||
1531 | static int | |
1532 | find_true_pathname (const char *path, char *buf, int bufsiz) | |
1533 | { | |
1534 | char *q, temp[MAXPATHLEN+1]; | |
1535 | const char *p; | |
1536 | int len; | |
1537 | ||
1538 | if (bufsiz <= 0 || path == 0 || path[0] == '\0') | |
1539 | return -1; | |
1540 | ||
1541 | buf[0] = '\0'; | |
7d0393cf | 1542 | |
1a578e9b AC |
1543 | p = path; |
1544 | if (*p == '/') | |
1545 | q = strchr (p + 1, '/'); | |
1546 | else | |
1547 | q = strchr (p, '/'); | |
1548 | len = 0; /* loop may not be entered, e.g., for "/" */ | |
1549 | ||
1550 | while (q) | |
1551 | { | |
1552 | strcpy (temp, buf); | |
1553 | strncat (temp, p, q - p); | |
1554 | len = readlink (temp, buf, bufsiz); | |
1555 | if (len <= -1) | |
1556 | { | |
1557 | if (strlen (temp) + 1 > bufsiz) | |
1558 | return -1; | |
1559 | strcpy (buf, temp); | |
1560 | } | |
1561 | strcat (buf, "/"); | |
1562 | len++; | |
1563 | p = q + 1; | |
1564 | q = strchr(p, '/'); | |
1565 | } | |
7d0393cf | 1566 | |
1a578e9b AC |
1567 | if (len + strlen (p) + 1 >= bufsiz) |
1568 | return -1; | |
7d0393cf | 1569 | |
1a578e9b AC |
1570 | strcat (buf, p); |
1571 | return len + strlen (p); | |
1572 | } | |
1573 | ||
1574 | ||
1575 | mode_t | |
1576 | umask (mode_t numask) | |
1577 | { | |
1578 | static mode_t mask = 022; | |
1579 | mode_t oldmask = mask; | |
1580 | mask = numask; | |
1581 | return oldmask; | |
1582 | } | |
1583 | ||
1584 | ||
1585 | int | |
1586 | chmod (const char *path, mode_t mode) | |
1587 | { | |
1588 | /* say it always succeed for now */ | |
1589 | return 0; | |
1590 | } | |
1591 | ||
1592 | ||
1593 | int | |
1594 | dup (int oldd) | |
1595 | { | |
1596 | #ifdef __MRC__ | |
1597 | return fcntl (oldd, F_DUPFD, 0); | |
1598 | #elif __MWERKS__ | |
1599 | /* current implementation of fcntl in fcntl.mac.c simply returns old | |
1600 | descriptor */ | |
1601 | return fcntl (oldd, F_DUPFD); | |
1602 | #else | |
1603 | You lose!!! | |
1604 | #endif | |
1605 | } | |
1606 | ||
1607 | ||
1608 | /* This is from the original sysdep.c. Emulate BSD dup2. First close | |
1609 | newd if it already exists. Then, attempt to dup oldd. If not | |
1610 | successful, call dup2 recursively until we are, then close the | |
1611 | unsuccessful ones. */ | |
1612 | ||
1613 | int | |
1614 | dup2 (int oldd, int newd) | |
1615 | { | |
1616 | int fd, ret; | |
7d0393cf | 1617 | |
1a578e9b AC |
1618 | close (newd); |
1619 | ||
1620 | fd = dup (oldd); | |
1621 | if (fd == -1) | |
1622 | return -1; | |
1623 | if (fd == newd) | |
1624 | return newd; | |
1625 | ret = dup2 (oldd, newd); | |
1626 | close (fd); | |
1627 | return ret; | |
1628 | } | |
1629 | ||
1630 | ||
1631 | /* let it fail for now */ | |
1632 | ||
1633 | char * | |
1634 | sbrk (int incr) | |
1635 | { | |
1636 | return (char *) -1; | |
1637 | } | |
1638 | ||
1639 | ||
1640 | int | |
1641 | fsync (int fd) | |
1642 | { | |
1643 | return 0; | |
1644 | } | |
1645 | ||
1646 | ||
1647 | int | |
1648 | ioctl (int d, int request, void *argp) | |
1649 | { | |
1650 | return -1; | |
1651 | } | |
1652 | ||
1653 | ||
1654 | #ifdef __MRC__ | |
1655 | int | |
1656 | isatty (int fildes) | |
1657 | { | |
1658 | if (fildes >=0 && fildes <= 2) | |
1659 | return 1; | |
1660 | else | |
1661 | return 0; | |
1662 | } | |
1663 | ||
1664 | ||
1665 | int | |
1666 | getgid () | |
1667 | { | |
1668 | return 100; | |
1669 | } | |
1670 | ||
1671 | ||
1672 | int | |
1673 | getegid () | |
1674 | { | |
1675 | return 100; | |
1676 | } | |
1677 | ||
1678 | ||
1679 | int | |
1680 | getuid () | |
1681 | { | |
1682 | return 200; | |
1683 | } | |
1684 | ||
1685 | ||
1686 | int | |
1687 | geteuid () | |
1688 | { | |
1689 | return 200; | |
1690 | } | |
1691 | #endif /* __MRC__ */ | |
1692 | ||
1693 | ||
1694 | #ifdef __MWERKS__ | |
e0f712ba | 1695 | #if __MSL__ < 0x6000 |
1a578e9b AC |
1696 | #undef getpid |
1697 | int | |
1698 | getpid () | |
1699 | { | |
1700 | return 9999; | |
1701 | } | |
1702 | #endif | |
1703 | #endif /* __MWERKS__ */ | |
1704 | ||
e0f712ba AC |
1705 | #endif /* ! MAC_OSX */ |
1706 | ||
1a578e9b AC |
1707 | |
1708 | /* Return the path to the directory in which Emacs can create | |
1709 | temporary files. The MacOS "temporary items" directory cannot be | |
1710 | used because it removes the file written by a process when it | |
1711 | exits. In that sense it's more like "/dev/null" than "/tmp" (but | |
1712 | again not exactly). And of course Emacs needs to read back the | |
1713 | files written by its subprocesses. So here we write the files to a | |
1714 | directory "Emacs" in the Preferences Folder. This directory is | |
1715 | created if it does not exist. */ | |
1716 | ||
e0f712ba | 1717 | char * |
1a578e9b AC |
1718 | get_temp_dir_name () |
1719 | { | |
1720 | static char *temp_dir_name = NULL; | |
1721 | short vol_ref_num; | |
1722 | long dir_id; | |
1723 | OSErr err; | |
1724 | Str255 dir_name, full_path; | |
1725 | CInfoPBRec cpb; | |
1726 | char unix_dir_name[MAXPATHLEN+1]; | |
1727 | DIR *dir; | |
7d0393cf | 1728 | |
1a578e9b AC |
1729 | /* Cache directory name with pointer temp_dir_name. |
1730 | Look for it only the first time. */ | |
1731 | if (!temp_dir_name) | |
1732 | { | |
1733 | err = FindFolder (kOnSystemDisk, kPreferencesFolderType, kCreateFolder, | |
1734 | &vol_ref_num, &dir_id); | |
1735 | if (err != noErr) | |
1736 | return NULL; | |
7d0393cf | 1737 | |
1a578e9b AC |
1738 | if (!path_from_vol_dir_name (full_path, 255, vol_ref_num, dir_id, "\p")) |
1739 | return NULL; | |
1740 | ||
1741 | if (strlen (full_path) + 6 <= MAXPATHLEN) | |
1742 | strcat (full_path, "Emacs:"); | |
7d0393cf | 1743 | else |
1a578e9b AC |
1744 | return NULL; |
1745 | ||
60fe1161 | 1746 | if (!mac_to_posix_pathname (full_path, unix_dir_name, MAXPATHLEN+1)) |
1a578e9b | 1747 | return NULL; |
7d0393cf | 1748 | |
1a578e9b AC |
1749 | dir = opendir (unix_dir_name); /* check whether temp directory exists */ |
1750 | if (dir) | |
1751 | closedir (dir); | |
1752 | else if (mkdir (unix_dir_name, 0700) != 0) /* create it if not */ | |
1753 | return NULL; | |
1754 | ||
1755 | temp_dir_name = (char *) malloc (strlen (unix_dir_name) + 1); | |
1756 | strcpy (temp_dir_name, unix_dir_name); | |
1757 | } | |
1758 | ||
1759 | return temp_dir_name; | |
1760 | } | |
1761 | ||
e0f712ba | 1762 | #ifndef MAC_OSX |
1a578e9b AC |
1763 | |
1764 | /* Allocate and construct an array of pointers to strings from a list | |
1765 | of strings stored in a 'STR#' resource. The returned pointer array | |
1766 | is stored in the style of argv and environ: if the 'STR#' resource | |
7d0393cf | 1767 | contains numString strings, a pointer array with numString+1 |
1a578e9b AC |
1768 | elements is returned in which the last entry contains a null |
1769 | pointer. The pointer to the pointer array is passed by pointer in | |
1770 | parameter t. The resource ID of the 'STR#' resource is passed in | |
1771 | parameter StringListID. | |
1772 | */ | |
1773 | ||
1774 | void | |
1775 | get_string_list (char ***t, short string_list_id) | |
1776 | { | |
1777 | Handle h; | |
1778 | Ptr p; | |
1779 | int i, num_strings; | |
1780 | ||
1781 | h = GetResource ('STR#', string_list_id); | |
1782 | if (h) | |
1783 | { | |
1784 | HLock (h); | |
1785 | p = *h; | |
1786 | num_strings = * (short *) p; | |
1787 | p += sizeof(short); | |
1788 | *t = (char **) malloc (sizeof (char *) * (num_strings + 1)); | |
1789 | for (i = 0; i < num_strings; i++) | |
1790 | { | |
1791 | short length = *p++; | |
1792 | (*t)[i] = (char *) malloc (length + 1); | |
1793 | strncpy ((*t)[i], p, length); | |
1794 | (*t)[i][length] = '\0'; | |
1795 | p += length; | |
1796 | } | |
1797 | (*t)[num_strings] = 0; | |
1798 | HUnlock (h); | |
1799 | } | |
1800 | else | |
1801 | { | |
1802 | /* Return no string in case GetResource fails. Bug fixed by | |
1803 | Ikegami Tsutomu. Caused MPW build to crash without sym -on | |
1804 | option (no sym -on implies -opt local). */ | |
1805 | *t = (char **) malloc (sizeof (char *)); | |
1806 | (*t)[0] = 0; | |
1807 | } | |
1808 | } | |
1809 | ||
1810 | ||
1811 | static char * | |
1812 | get_path_to_system_folder () | |
1813 | { | |
1814 | short vol_ref_num; | |
1815 | long dir_id; | |
1816 | OSErr err; | |
1817 | Str255 dir_name, full_path; | |
1818 | CInfoPBRec cpb; | |
1819 | static char system_folder_unix_name[MAXPATHLEN+1]; | |
1820 | DIR *dir; | |
7d0393cf | 1821 | |
1a578e9b AC |
1822 | err = FindFolder (kOnSystemDisk, kSystemFolderType, kDontCreateFolder, |
1823 | &vol_ref_num, &dir_id); | |
1824 | if (err != noErr) | |
1825 | return NULL; | |
7d0393cf | 1826 | |
1a578e9b AC |
1827 | if (!path_from_vol_dir_name (full_path, 255, vol_ref_num, dir_id, "\p")) |
1828 | return NULL; | |
1829 | ||
e0f712ba AC |
1830 | if (!mac_to_posix_pathname (full_path, system_folder_unix_name, |
1831 | MAXPATHLEN+1)) | |
1a578e9b | 1832 | return NULL; |
7d0393cf | 1833 | |
1a578e9b AC |
1834 | return system_folder_unix_name; |
1835 | } | |
1836 | ||
1837 | ||
1838 | char **environ; | |
1839 | ||
1840 | #define ENVIRON_STRING_LIST_ID 128 | |
1841 | ||
1842 | /* Get environment variable definitions from STR# resource. */ | |
1843 | ||
1844 | void | |
1845 | init_environ () | |
1846 | { | |
1847 | int i; | |
7d0393cf | 1848 | |
1a578e9b AC |
1849 | get_string_list (&environ, ENVIRON_STRING_LIST_ID); |
1850 | ||
1851 | i = 0; | |
1852 | while (environ[i]) | |
1853 | i++; | |
1854 | ||
1855 | /* Make HOME directory the one Emacs starts up in if not specified | |
1856 | by resource. */ | |
1857 | if (getenv ("HOME") == NULL) | |
1858 | { | |
1859 | environ = (char **) realloc (environ, sizeof (char *) * (i + 2)); | |
1860 | if (environ) | |
1861 | { | |
1862 | environ[i] = (char *) malloc (strlen (my_passwd_dir) + 6); | |
1863 | if (environ[i]) | |
1864 | { | |
1865 | strcpy (environ[i], "HOME="); | |
1866 | strcat (environ[i], my_passwd_dir); | |
1867 | } | |
1868 | environ[i+1] = 0; | |
1869 | i++; | |
1870 | } | |
1871 | } | |
1872 | ||
1873 | /* Make HOME directory the one Emacs starts up in if not specified | |
1874 | by resource. */ | |
1875 | if (getenv ("MAIL") == NULL) | |
1876 | { | |
1877 | environ = (char **) realloc (environ, sizeof (char *) * (i + 2)); | |
1878 | if (environ) | |
1879 | { | |
1880 | char * path_to_system_folder = get_path_to_system_folder (); | |
1881 | environ[i] = (char *) malloc (strlen (path_to_system_folder) + 22); | |
1882 | if (environ[i]) | |
1883 | { | |
1884 | strcpy (environ[i], "MAIL="); | |
1885 | strcat (environ[i], path_to_system_folder); | |
1886 | strcat (environ[i], "Eudora Folder/In"); | |
1887 | } | |
1888 | environ[i+1] = 0; | |
1889 | } | |
1890 | } | |
1891 | } | |
1892 | ||
1893 | ||
1894 | /* Return the value of the environment variable NAME. */ | |
1895 | ||
1896 | char * | |
1897 | getenv (const char *name) | |
1898 | { | |
1899 | int length = strlen(name); | |
1900 | char **e; | |
1901 | ||
1902 | for (e = environ; *e != 0; e++) | |
1903 | if (strncmp(*e, name, length) == 0 && (*e)[length] == '=') | |
1904 | return &(*e)[length + 1]; | |
1905 | ||
1906 | if (strcmp (name, "TMPDIR") == 0) | |
1907 | return get_temp_dir_name (); | |
1908 | ||
1909 | return 0; | |
1910 | } | |
1911 | ||
1912 | ||
1913 | #ifdef __MRC__ | |
1914 | /* see Interfaces&Libraries:Interfaces:CIncludes:signal.h */ | |
1915 | char *sys_siglist[] = | |
1916 | { | |
1917 | "Zero is not a signal!!!", | |
1918 | "Abort", /* 1 */ | |
1919 | "Interactive user interrupt", /* 2 */ "?", | |
1920 | "Floating point exception", /* 4 */ "?", "?", "?", | |
1921 | "Illegal instruction", /* 8 */ "?", "?", "?", "?", "?", "?", "?", | |
1922 | "Segment violation", /* 16 */ "?", "?", "?", "?", "?", "?", "?", | |
1923 | "?", "?", "?", "?", "?", "?", "?", "?", | |
1924 | "Terminal" /* 32 */ | |
1925 | }; | |
1926 | #elif __MWERKS__ | |
1927 | char *sys_siglist[] = | |
1928 | { | |
1929 | "Zero is not a signal!!!", | |
1930 | "Abort", | |
1931 | "Floating point exception", | |
1932 | "Illegal instruction", | |
1933 | "Interactive user interrupt", | |
1934 | "Segment violation", | |
1935 | "Terminal" | |
1936 | }; | |
e0f712ba | 1937 | #else /* not __MRC__ and not __MWERKS__ */ |
1a578e9b | 1938 | You lose!!! |
e0f712ba | 1939 | #endif /* not __MRC__ and not __MWERKS__ */ |
1a578e9b AC |
1940 | |
1941 | ||
1942 | #include <utsname.h> | |
1943 | ||
1944 | int | |
1945 | uname (struct utsname *name) | |
1946 | { | |
1947 | char **system_name; | |
1948 | system_name = GetString (-16413); /* IM - Resource Manager Reference */ | |
1949 | if (system_name) | |
1950 | { | |
1951 | BlockMove (*system_name, name->nodename, (*system_name)[0]+1); | |
1952 | p2cstr (name->nodename); | |
1953 | return 0; | |
1954 | } | |
1955 | else | |
1956 | return -1; | |
1957 | } | |
1958 | ||
1959 | ||
1a578e9b AC |
1960 | /* Event class of HLE sent to subprocess. */ |
1961 | const OSType kEmacsSubprocessSend = 'ESND'; | |
1962 | ||
1963 | /* Event class of HLE sent back from subprocess. */ | |
1964 | const OSType kEmacsSubprocessReply = 'ERPY'; | |
1965 | ||
1966 | ||
1967 | char * | |
1968 | mystrchr (char *s, char c) | |
1969 | { | |
1970 | while (*s && *s != c) | |
1971 | { | |
1972 | if (*s == '\\') | |
1973 | s++; | |
1974 | s++; | |
1975 | } | |
1976 | ||
1977 | if (*s) | |
1978 | { | |
1979 | *s = '\0'; | |
1980 | return s; | |
1981 | } | |
1982 | else | |
1983 | return NULL; | |
1984 | } | |
1985 | ||
1986 | ||
1987 | char * | |
1988 | mystrtok (char *s) | |
7d0393cf | 1989 | { |
1a578e9b AC |
1990 | while (*s) |
1991 | s++; | |
1992 | ||
1993 | return s + 1; | |
1994 | } | |
1995 | ||
1996 | ||
1997 | void | |
1998 | mystrcpy (char *to, char *from) | |
1999 | { | |
2000 | while (*from) | |
2001 | { | |
2002 | if (*from == '\\') | |
2003 | from++; | |
2004 | *to++ = *from++; | |
2005 | } | |
2006 | *to = '\0'; | |
2007 | } | |
2008 | ||
2009 | ||
2010 | /* Start a Mac subprocess. Arguments for it is passed in argv (null | |
2011 | terminated). The process should run with the default directory | |
2012 | "workdir", read input from "infn", and write output and error to | |
2013 | "outfn" and "errfn", resp. The Process Manager call | |
2014 | LaunchApplication is used to start the subprocess. We use high | |
2015 | level events as the mechanism to pass arguments to the subprocess | |
2016 | and to make Emacs wait for the subprocess to terminate and pass | |
2017 | back a result code. The bulk of the code here packs the arguments | |
2018 | into one message to be passed together with the high level event. | |
2019 | Emacs also sometimes starts a subprocess using a shell to perform | |
2020 | wildcard filename expansion. Since we don't really have a shell on | |
2021 | the Mac, this case is detected and the starting of the shell is | |
2022 | by-passed. We really need to add code here to do filename | |
2023 | expansion to support such functionality. */ | |
2024 | ||
2025 | int | |
2026 | run_mac_command (argv, workdir, infn, outfn, errfn) | |
2027 | unsigned char **argv; | |
2028 | const char *workdir; | |
2029 | const char *infn, *outfn, *errfn; | |
2030 | { | |
b15325b2 | 2031 | #if TARGET_API_MAC_CARBON |
e0f712ba AC |
2032 | return -1; |
2033 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2034 | char macappname[MAXPATHLEN+1], macworkdir[MAXPATHLEN+1]; |
2035 | char macinfn[MAXPATHLEN+1], macoutfn[MAXPATHLEN+1], macerrfn[MAXPATHLEN+1]; | |
2036 | int paramlen, argc, newargc, j, retries; | |
2037 | char **newargv, *param, *p; | |
2038 | OSErr iErr; | |
2039 | FSSpec spec; | |
2040 | LaunchParamBlockRec lpbr; | |
2041 | EventRecord send_event, reply_event; | |
2042 | RgnHandle cursor_region_handle; | |
2043 | TargetID targ; | |
2044 | unsigned long ref_con, len; | |
7d0393cf | 2045 | |
60fe1161 | 2046 | if (posix_to_mac_pathname (workdir, macworkdir, MAXPATHLEN+1) == 0) |
1a578e9b | 2047 | return -1; |
60fe1161 | 2048 | if (posix_to_mac_pathname (infn, macinfn, MAXPATHLEN+1) == 0) |
1a578e9b | 2049 | return -1; |
60fe1161 | 2050 | if (posix_to_mac_pathname (outfn, macoutfn, MAXPATHLEN+1) == 0) |
1a578e9b | 2051 | return -1; |
60fe1161 | 2052 | if (posix_to_mac_pathname (errfn, macerrfn, MAXPATHLEN+1) == 0) |
1a578e9b | 2053 | return -1; |
7d0393cf | 2054 | |
1a578e9b AC |
2055 | paramlen = strlen (macworkdir) + strlen (macinfn) + strlen (macoutfn) |
2056 | + strlen (macerrfn) + 4; /* count nulls at end of strings */ | |
2057 | ||
2058 | argc = 0; | |
2059 | while (argv[argc]) | |
2060 | argc++; | |
2061 | ||
2062 | if (argc == 0) | |
2063 | return -1; | |
2064 | ||
2065 | /* If a subprocess is invoked with a shell, we receive 3 arguments | |
2066 | of the form: "<path to emacs bins>/sh" "-c" "<path to emacs | |
2067 | bins>/<command> <command args>" */ | |
2068 | j = strlen (argv[0]); | |
2069 | if (j >= 3 && strcmp (argv[0]+j-3, "/sh") == 0 | |
2070 | && argc == 3 && strcmp (argv[1], "-c") == 0) | |
2071 | { | |
2072 | char *command, *t, tempmacpathname[MAXPATHLEN+1]; | |
7d0393cf | 2073 | |
1a578e9b AC |
2074 | /* The arguments for the command in argv[2] are separated by |
2075 | spaces. Count them and put the count in newargc. */ | |
2076 | command = (char *) alloca (strlen (argv[2])+2); | |
2077 | strcpy (command, argv[2]); | |
2078 | if (command[strlen (command) - 1] != ' ') | |
2079 | strcat (command, " "); | |
7d0393cf | 2080 | |
1a578e9b AC |
2081 | t = command; |
2082 | newargc = 0; | |
2083 | t = mystrchr (t, ' '); | |
2084 | while (t) | |
2085 | { | |
2086 | newargc++; | |
2087 | t = mystrchr (t+1, ' '); | |
2088 | } | |
7d0393cf | 2089 | |
1a578e9b | 2090 | newargv = (char **) alloca (sizeof (char *) * newargc); |
7d0393cf | 2091 | |
1a578e9b AC |
2092 | t = command; |
2093 | for (j = 0; j < newargc; j++) | |
2094 | { | |
2095 | newargv[j] = (char *) alloca (strlen (t) + 1); | |
2096 | mystrcpy (newargv[j], t); | |
2097 | ||
2098 | t = mystrtok (t); | |
2099 | paramlen += strlen (newargv[j]) + 1; | |
2100 | } | |
7d0393cf | 2101 | |
1a578e9b AC |
2102 | if (strncmp (newargv[0], "~emacs/", 7) == 0) |
2103 | { | |
60fe1161 | 2104 | if (posix_to_mac_pathname (newargv[0], tempmacpathname, MAXPATHLEN+1) |
1a578e9b AC |
2105 | == 0) |
2106 | return -1; | |
2107 | } | |
2108 | else | |
2109 | { /* sometimes Emacs call "sh" without a path for the command */ | |
2110 | #if 0 | |
2111 | char *t = (char *) alloca (strlen (newargv[0]) + 7 + 1); | |
2112 | strcpy (t, "~emacs/"); | |
2113 | strcat (t, newargv[0]); | |
e0f712ba | 2114 | #endif /* 0 */ |
1a578e9b | 2115 | Lisp_Object path; |
b15325b2 | 2116 | openp (Vexec_path, build_string (newargv[0]), Vexec_suffixes, &path, |
141f653a | 2117 | make_number (X_OK)); |
1a578e9b AC |
2118 | |
2119 | if (NILP (path)) | |
2120 | return -1; | |
d5db4077 | 2121 | if (posix_to_mac_pathname (SDATA (path), tempmacpathname, |
1a578e9b AC |
2122 | MAXPATHLEN+1) == 0) |
2123 | return -1; | |
2124 | } | |
2125 | strcpy (macappname, tempmacpathname); | |
2126 | } | |
2127 | else | |
7d0393cf | 2128 | { |
60fe1161 | 2129 | if (posix_to_mac_pathname (argv[0], macappname, MAXPATHLEN+1) == 0) |
1a578e9b AC |
2130 | return -1; |
2131 | ||
2132 | newargv = (char **) alloca (sizeof (char *) * argc); | |
7d0393cf | 2133 | newargc = argc; |
1a578e9b AC |
2134 | for (j = 1; j < argc; j++) |
2135 | { | |
2136 | if (strncmp (argv[j], "~emacs/", 7) == 0) | |
2137 | { | |
2138 | char *t = strchr (argv[j], ' '); | |
2139 | if (t) | |
2140 | { | |
2141 | char tempcmdname[MAXPATHLEN+1], tempmaccmdname[MAXPATHLEN+1]; | |
2142 | strncpy (tempcmdname, argv[j], t-argv[j]); | |
2143 | tempcmdname[t-argv[j]] = '\0'; | |
60fe1161 | 2144 | if (posix_to_mac_pathname (tempcmdname, tempmaccmdname, |
1a578e9b AC |
2145 | MAXPATHLEN+1) == 0) |
2146 | return -1; | |
2147 | newargv[j] = (char *) alloca (strlen (tempmaccmdname) | |
2148 | + strlen (t) + 1); | |
2149 | strcpy (newargv[j], tempmaccmdname); | |
2150 | strcat (newargv[j], t); | |
2151 | } | |
2152 | else | |
2153 | { | |
2154 | char tempmaccmdname[MAXPATHLEN+1]; | |
60fe1161 | 2155 | if (posix_to_mac_pathname (argv[j], tempmaccmdname, |
1a578e9b AC |
2156 | MAXPATHLEN+1) == 0) |
2157 | return -1; | |
2158 | newargv[j] = (char *) alloca (strlen (tempmaccmdname)+1); | |
2159 | strcpy (newargv[j], tempmaccmdname); | |
2160 | } | |
2161 | } | |
2162 | else | |
7d0393cf | 2163 | newargv[j] = argv[j]; |
1a578e9b AC |
2164 | paramlen += strlen (newargv[j]) + 1; |
2165 | } | |
2166 | } | |
2167 | ||
2168 | /* After expanding all the arguments, we now know the length of the | |
2169 | parameter block to be sent to the subprocess as a message | |
2170 | attached to the HLE. */ | |
2171 | param = (char *) malloc (paramlen + 1); | |
2172 | if (!param) | |
2173 | return -1; | |
2174 | ||
2175 | p = param; | |
2176 | *p++ = newargc; | |
2177 | /* first byte of message contains number of arguments for command */ | |
2178 | strcpy (p, macworkdir); | |
2179 | p += strlen (macworkdir); | |
2180 | *p++ = '\0'; | |
2181 | /* null terminate strings sent so it's possible to use strcpy over there */ | |
2182 | strcpy (p, macinfn); | |
2183 | p += strlen (macinfn); | |
7d0393cf | 2184 | *p++ = '\0'; |
1a578e9b AC |
2185 | strcpy (p, macoutfn); |
2186 | p += strlen (macoutfn); | |
7d0393cf | 2187 | *p++ = '\0'; |
1a578e9b AC |
2188 | strcpy (p, macerrfn); |
2189 | p += strlen (macerrfn); | |
7d0393cf | 2190 | *p++ = '\0'; |
1a578e9b AC |
2191 | for (j = 1; j < newargc; j++) |
2192 | { | |
2193 | strcpy (p, newargv[j]); | |
2194 | p += strlen (newargv[j]); | |
7d0393cf | 2195 | *p++ = '\0'; |
1a578e9b | 2196 | } |
7d0393cf | 2197 | |
1a578e9b | 2198 | c2pstr (macappname); |
7d0393cf | 2199 | |
1a578e9b | 2200 | iErr = FSMakeFSSpec (0, 0, macappname, &spec); |
7d0393cf | 2201 | |
1a578e9b AC |
2202 | if (iErr != noErr) |
2203 | { | |
2204 | free (param); | |
2205 | return -1; | |
2206 | } | |
2207 | ||
2208 | lpbr.launchBlockID = extendedBlock; | |
2209 | lpbr.launchEPBLength = extendedBlockLen; | |
2210 | lpbr.launchControlFlags = launchContinue + launchNoFileFlags; | |
2211 | lpbr.launchAppSpec = &spec; | |
2212 | lpbr.launchAppParameters = NULL; | |
2213 | ||
2214 | iErr = LaunchApplication (&lpbr); /* call the subprocess */ | |
2215 | if (iErr != noErr) | |
2216 | { | |
2217 | free (param); | |
2218 | return -1; | |
2219 | } | |
2220 | ||
2221 | send_event.what = kHighLevelEvent; | |
2222 | send_event.message = kEmacsSubprocessSend; | |
2223 | /* Event ID stored in "where" unused */ | |
2224 | ||
2225 | retries = 3; | |
2226 | /* OS may think current subprocess has terminated if previous one | |
2227 | terminated recently. */ | |
2228 | do | |
2229 | { | |
2230 | iErr = PostHighLevelEvent (&send_event, &lpbr.launchProcessSN, 0, param, | |
2231 | paramlen + 1, receiverIDisPSN); | |
2232 | } | |
2233 | while (iErr == sessClosedErr && retries-- > 0); | |
2234 | ||
2235 | if (iErr != noErr) | |
2236 | { | |
2237 | free (param); | |
2238 | return -1; | |
2239 | } | |
2240 | ||
2241 | cursor_region_handle = NewRgn (); | |
7d0393cf | 2242 | |
1a578e9b AC |
2243 | /* Wait for the subprocess to finish, when it will send us a ERPY |
2244 | high level event. */ | |
2245 | while (1) | |
2246 | if (WaitNextEvent (highLevelEventMask, &reply_event, 180, | |
2247 | cursor_region_handle) | |
2248 | && reply_event.message == kEmacsSubprocessReply) | |
2249 | break; | |
7d0393cf | 2250 | |
1a578e9b AC |
2251 | /* The return code is sent through the refCon */ |
2252 | iErr = AcceptHighLevelEvent (&targ, &ref_con, NULL, &len); | |
2253 | if (iErr != noErr) | |
2254 | { | |
2255 | DisposeHandle ((Handle) cursor_region_handle); | |
2256 | free (param); | |
2257 | return -1; | |
2258 | } | |
7d0393cf | 2259 | |
1a578e9b AC |
2260 | DisposeHandle ((Handle) cursor_region_handle); |
2261 | free (param); | |
2262 | ||
2263 | return ref_con; | |
e0f712ba | 2264 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2265 | } |
2266 | ||
2267 | ||
2268 | DIR * | |
2269 | opendir (const char *dirname) | |
2270 | { | |
7d0393cf | 2271 | char true_pathname[MAXPATHLEN+1], fully_resolved_name[MAXPATHLEN+1]; |
1a578e9b AC |
2272 | char mac_pathname[MAXPATHLEN+1], vol_name[MAXPATHLEN+1]; |
2273 | DIR *dirp; | |
2274 | CInfoPBRec cipb; | |
2275 | HVolumeParam vpb; | |
2276 | int len, vol_name_len; | |
7d0393cf | 2277 | |
1a578e9b AC |
2278 | if (find_true_pathname (dirname, true_pathname, MAXPATHLEN+1) == -1) |
2279 | return 0; | |
7d0393cf | 2280 | |
1a578e9b AC |
2281 | len = readlink (true_pathname, fully_resolved_name, MAXPATHLEN); |
2282 | if (len > -1) | |
2283 | fully_resolved_name[len] = '\0'; | |
2284 | else | |
2285 | strcpy (fully_resolved_name, true_pathname); | |
2286 | ||
2287 | dirp = (DIR *) malloc (sizeof(DIR)); | |
2288 | if (!dirp) | |
2289 | return 0; | |
2290 | ||
2291 | /* Handle special case when dirname is "/": sets up for readir to | |
2292 | get all mount volumes. */ | |
2293 | if (strcmp (fully_resolved_name, "/") == 0) | |
2294 | { | |
2295 | dirp->getting_volumes = 1; /* special all mounted volumes DIR struct */ | |
2296 | dirp->current_index = 1; /* index for first volume */ | |
2297 | return dirp; | |
2298 | } | |
2299 | ||
2300 | /* Handle typical cases: not accessing all mounted volumes. */ | |
60fe1161 | 2301 | if (!posix_to_mac_pathname (fully_resolved_name, mac_pathname, MAXPATHLEN+1)) |
1a578e9b AC |
2302 | return 0; |
2303 | ||
2304 | /* Emacs calls opendir without the trailing '/', Mac needs trailing ':' */ | |
2305 | len = strlen (mac_pathname); | |
2306 | if (mac_pathname[len - 1] != ':' && len < MAXPATHLEN) | |
2307 | strcat (mac_pathname, ":"); | |
7d0393cf | 2308 | |
1a578e9b AC |
2309 | /* Extract volume name */ |
2310 | vol_name_len = strchr (mac_pathname, ':') - mac_pathname; | |
2311 | strncpy (vol_name, mac_pathname, vol_name_len); | |
2312 | vol_name[vol_name_len] = '\0'; | |
2313 | strcat (vol_name, ":"); | |
2314 | ||
2315 | c2pstr (mac_pathname); | |
2316 | cipb.hFileInfo.ioNamePtr = mac_pathname; | |
2317 | /* using full pathname so vRefNum and DirID ignored */ | |
2318 | cipb.hFileInfo.ioVRefNum = 0; | |
2319 | cipb.hFileInfo.ioDirID = 0; | |
2320 | cipb.hFileInfo.ioFDirIndex = 0; | |
2321 | /* set to 0 to get information about specific dir or file */ | |
7d0393cf | 2322 | |
1a578e9b AC |
2323 | errno = PBGetCatInfo (&cipb, false); |
2324 | if (errno != noErr) | |
2325 | { | |
2326 | errno = ENOENT; | |
2327 | return 0; | |
2328 | } | |
2329 | ||
2330 | if (!(cipb.hFileInfo.ioFlAttrib & 0x10)) /* bit 4 = 1 for directories */ | |
2331 | return 0; /* not a directory */ | |
2332 | ||
2333 | dirp->dir_id = cipb.dirInfo.ioDrDirID; /* used later in readdir */ | |
2334 | dirp->getting_volumes = 0; | |
2335 | dirp->current_index = 1; /* index for first file/directory */ | |
2336 | ||
2337 | c2pstr (vol_name); | |
2338 | vpb.ioNamePtr = vol_name; | |
2339 | /* using full pathname so vRefNum and DirID ignored */ | |
2340 | vpb.ioVRefNum = 0; | |
2341 | vpb.ioVolIndex = -1; | |
2342 | errno = PBHGetVInfo ((union HParamBlockRec *) &vpb, false); | |
2343 | if (errno != noErr) | |
2344 | { | |
2345 | errno = ENOENT; | |
2346 | return 0; | |
2347 | } | |
2348 | ||
2349 | dirp->vol_ref_num = vpb.ioVRefNum; | |
7d0393cf | 2350 | |
1a578e9b AC |
2351 | return dirp; |
2352 | } | |
2353 | ||
2354 | int | |
2355 | closedir (DIR *dp) | |
2356 | { | |
2357 | free (dp); | |
2358 | ||
2359 | return 0; | |
2360 | } | |
2361 | ||
2362 | ||
2363 | struct dirent * | |
2364 | readdir (DIR *dp) | |
2365 | { | |
2366 | HParamBlockRec hpblock; | |
2367 | CInfoPBRec cipb; | |
2368 | static struct dirent s_dirent; | |
2369 | static Str255 s_name; | |
2370 | int done; | |
2371 | char *p; | |
2372 | ||
2373 | /* Handle the root directory containing the mounted volumes. Call | |
2374 | PBHGetVInfo specifying an index to obtain the info for a volume. | |
2375 | PBHGetVInfo returns an error when it receives an index beyond the | |
2376 | last volume, at which time we should return a nil dirent struct | |
2377 | pointer. */ | |
2378 | if (dp->getting_volumes) | |
2379 | { | |
2380 | hpblock.volumeParam.ioNamePtr = s_name; | |
2381 | hpblock.volumeParam.ioVRefNum = 0; | |
2382 | hpblock.volumeParam.ioVolIndex = dp->current_index; | |
7d0393cf | 2383 | |
1a578e9b AC |
2384 | errno = PBHGetVInfo (&hpblock, false); |
2385 | if (errno != noErr) | |
2386 | { | |
2387 | errno = ENOENT; | |
2388 | return 0; | |
2389 | } | |
7d0393cf | 2390 | |
1a578e9b AC |
2391 | p2cstr (s_name); |
2392 | strcat (s_name, "/"); /* need "/" for stat to work correctly */ | |
2393 | ||
2394 | dp->current_index++; | |
2395 | ||
2396 | s_dirent.d_ino = hpblock.volumeParam.ioVRefNum; | |
2397 | s_dirent.d_name = s_name; | |
7d0393cf | 2398 | |
1a578e9b AC |
2399 | return &s_dirent; |
2400 | } | |
2401 | else | |
2402 | { | |
2403 | cipb.hFileInfo.ioVRefNum = dp->vol_ref_num; | |
2404 | cipb.hFileInfo.ioNamePtr = s_name; | |
2405 | /* location to receive filename returned */ | |
2406 | ||
2407 | /* return only visible files */ | |
2408 | done = false; | |
2409 | while (!done) | |
2410 | { | |
2411 | cipb.hFileInfo.ioDirID = dp->dir_id; | |
2412 | /* directory ID found by opendir */ | |
2413 | cipb.hFileInfo.ioFDirIndex = dp->current_index; | |
7d0393cf | 2414 | |
1a578e9b AC |
2415 | errno = PBGetCatInfo (&cipb, false); |
2416 | if (errno != noErr) | |
2417 | { | |
2418 | errno = ENOENT; | |
2419 | return 0; | |
2420 | } | |
7d0393cf JB |
2421 | |
2422 | /* insist on a visible entry */ | |
1a578e9b AC |
2423 | if (cipb.hFileInfo.ioFlAttrib & 0x10) /* directory? */ |
2424 | done = !(cipb.dirInfo.ioDrUsrWds.frFlags & fInvisible); | |
2425 | else | |
2426 | done = !(cipb.hFileInfo.ioFlFndrInfo.fdFlags & fInvisible); | |
7d0393cf | 2427 | |
1a578e9b AC |
2428 | dp->current_index++; |
2429 | } | |
2430 | ||
2431 | p2cstr (s_name); | |
7d0393cf | 2432 | |
1a578e9b AC |
2433 | p = s_name; |
2434 | while (*p) | |
2435 | { | |
2436 | if (*p == '/') | |
2437 | *p = ':'; | |
2438 | p++; | |
2439 | } | |
2440 | ||
2441 | s_dirent.d_ino = cipb.dirInfo.ioDrDirID; | |
2442 | /* value unimportant: non-zero for valid file */ | |
2443 | s_dirent.d_name = s_name; | |
7d0393cf | 2444 | |
1a578e9b AC |
2445 | return &s_dirent; |
2446 | } | |
2447 | } | |
2448 | ||
2449 | ||
2450 | char * | |
2451 | getwd (char *path) | |
2452 | { | |
2453 | char mac_pathname[MAXPATHLEN+1]; | |
2454 | Str255 directory_name; | |
2455 | OSErr errno; | |
2456 | CInfoPBRec cipb; | |
2457 | ||
2458 | if (path_from_vol_dir_name (mac_pathname, 255, 0, 0, "\p") == 0) | |
2459 | return NULL; | |
2460 | ||
60fe1161 | 2461 | if (mac_to_posix_pathname (mac_pathname, path, MAXPATHLEN+1) == 0) |
1a578e9b AC |
2462 | return 0; |
2463 | else | |
2464 | return path; | |
2465 | } | |
2466 | ||
e0f712ba AC |
2467 | #endif /* ! MAC_OSX */ |
2468 | ||
1a578e9b AC |
2469 | |
2470 | void | |
2471 | initialize_applescript () | |
2472 | { | |
2473 | AEDesc null_desc; | |
2474 | OSAError osaerror; | |
7d0393cf | 2475 | |
1a578e9b AC |
2476 | /* if open fails, as_scripting_component is set to NULL. Its |
2477 | subsequent use in OSA calls will fail with badComponentInstance | |
2478 | error. */ | |
2479 | as_scripting_component = OpenDefaultComponent (kOSAComponentType, | |
2480 | kAppleScriptSubtype); | |
2481 | ||
2482 | null_desc.descriptorType = typeNull; | |
2483 | null_desc.dataHandle = 0; | |
2484 | osaerror = OSAMakeContext (as_scripting_component, &null_desc, | |
2485 | kOSANullScript, &as_script_context); | |
2486 | if (osaerror) | |
2487 | as_script_context = kOSANullScript; | |
2488 | /* use default context if create fails */ | |
2489 | } | |
2490 | ||
2491 | ||
2492 | void terminate_applescript() | |
2493 | { | |
2494 | OSADispose (as_scripting_component, as_script_context); | |
2495 | CloseComponent (as_scripting_component); | |
2496 | } | |
2497 | ||
2498 | ||
2499 | /* Compile and execute the AppleScript SCRIPT and return the error | |
2500 | status as function value. A zero is returned if compilation and | |
2501 | execution is successful, in which case RESULT returns a pointer to | |
2502 | a string containing the resulting script value. Otherwise, the Mac | |
2503 | error code is returned and RESULT returns a pointer to an error | |
2504 | string. In both cases the caller should deallocate the storage | |
2505 | used by the string pointed to by RESULT if it is non-NULL. For | |
2506 | documentation on the MacOS scripting architecture, see Inside | |
2507 | Macintosh - Interapplication Communications: Scripting Components. */ | |
2508 | ||
2509 | static long | |
2510 | do_applescript (char *script, char **result) | |
2511 | { | |
2512 | AEDesc script_desc, result_desc, error_desc; | |
2513 | OSErr error; | |
2514 | OSAError osaerror; | |
2515 | long length; | |
2516 | ||
2517 | *result = 0; | |
2518 | ||
84c0c2cc AC |
2519 | if (!as_scripting_component) |
2520 | initialize_applescript(); | |
2521 | ||
1a578e9b AC |
2522 | error = AECreateDesc (typeChar, script, strlen(script), &script_desc); |
2523 | if (error) | |
2524 | return error; | |
2525 | ||
2526 | osaerror = OSADoScript (as_scripting_component, &script_desc, kOSANullScript, | |
2527 | typeChar, kOSAModeNull, &result_desc); | |
2528 | ||
2529 | if (osaerror == errOSAScriptError) | |
2530 | { | |
2531 | /* error executing AppleScript: retrieve error message */ | |
2532 | if (!OSAScriptError (as_scripting_component, kOSAErrorMessage, typeChar, | |
2533 | &error_desc)) | |
2534 | { | |
e0f712ba AC |
2535 | #if TARGET_API_MAC_CARBON |
2536 | length = AEGetDescDataSize (&error_desc); | |
2537 | *result = (char *) xmalloc (length + 1); | |
2538 | if (*result) | |
2539 | { | |
2540 | AEGetDescData (&error_desc, *result, length); | |
2541 | *(*result + length) = '\0'; | |
2542 | } | |
2543 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2544 | HLock (error_desc.dataHandle); |
2545 | length = GetHandleSize(error_desc.dataHandle); | |
2546 | *result = (char *) xmalloc (length + 1); | |
2547 | if (*result) | |
2548 | { | |
2549 | memcpy (*result, *(error_desc.dataHandle), length); | |
2550 | *(*result + length) = '\0'; | |
2551 | } | |
2552 | HUnlock (error_desc.dataHandle); | |
e0f712ba | 2553 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2554 | AEDisposeDesc (&error_desc); |
2555 | } | |
2556 | } | |
2557 | else if (osaerror == noErr) /* success: retrieve resulting script value */ | |
2558 | { | |
e0f712ba AC |
2559 | #if TARGET_API_MAC_CARBON |
2560 | length = AEGetDescDataSize (&result_desc); | |
2561 | *result = (char *) xmalloc (length + 1); | |
2562 | if (*result) | |
2563 | { | |
2564 | AEGetDescData (&result_desc, *result, length); | |
2565 | *(*result + length) = '\0'; | |
2566 | } | |
2567 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2568 | HLock (result_desc.dataHandle); |
2569 | length = GetHandleSize(result_desc.dataHandle); | |
2570 | *result = (char *) xmalloc (length + 1); | |
2571 | if (*result) | |
2572 | { | |
2573 | memcpy (*result, *(result_desc.dataHandle), length); | |
2574 | *(*result + length) = '\0'; | |
2575 | } | |
2576 | HUnlock (result_desc.dataHandle); | |
e0f712ba | 2577 | #endif /* not TARGET_API_MAC_CARBON */ |
84c0c2cc | 2578 | AEDisposeDesc (&result_desc); |
1a578e9b AC |
2579 | } |
2580 | ||
2581 | AEDisposeDesc (&script_desc); | |
1a578e9b AC |
2582 | |
2583 | return osaerror; | |
2584 | } | |
2585 | ||
2586 | ||
2587 | DEFUN ("do-applescript", Fdo_applescript, Sdo_applescript, 1, 1, 0, | |
e0f712ba AC |
2588 | doc: /* Compile and execute AppleScript SCRIPT and retrieve and return the result. |
2589 | If compilation and execution are successful, the resulting script | |
2590 | value is returned as a string. Otherwise the function aborts and | |
2591 | displays the error message returned by the AppleScript scripting | |
2592 | component. */) | |
1a578e9b AC |
2593 | (script) |
2594 | Lisp_Object script; | |
2595 | { | |
2596 | char *result, *temp; | |
2597 | Lisp_Object lisp_result; | |
2598 | long status; | |
2599 | ||
e0f712ba | 2600 | CHECK_STRING (script); |
7d0393cf | 2601 | |
c3f4c690 | 2602 | BLOCK_INPUT; |
d5db4077 | 2603 | status = do_applescript (SDATA (script), &result); |
c3f4c690 | 2604 | UNBLOCK_INPUT; |
1a578e9b AC |
2605 | if (status) |
2606 | { | |
2607 | if (!result) | |
84c0c2cc | 2608 | error ("AppleScript error %d", status); |
1a578e9b AC |
2609 | else |
2610 | { | |
2611 | /* Unfortunately only OSADoScript in do_applescript knows how | |
2612 | how large the resulting script value or error message is | |
2613 | going to be and therefore as caller memory must be | |
2614 | deallocated here. It is necessary to free the error | |
2615 | message before calling error to avoid a memory leak. */ | |
2616 | temp = (char *) alloca (strlen (result) + 1); | |
2617 | strcpy (temp, result); | |
2618 | xfree (result); | |
2619 | error (temp); | |
2620 | } | |
2621 | } | |
2622 | else | |
2623 | { | |
2624 | lisp_result = build_string (result); | |
2625 | xfree (result); | |
2626 | return lisp_result; | |
2627 | } | |
2628 | } | |
2629 | ||
2630 | ||
e0f712ba AC |
2631 | DEFUN ("mac-file-name-to-posix", Fmac_file_name_to_posix, |
2632 | Smac_file_name_to_posix, 1, 1, 0, | |
2633 | doc: /* Convert Macintosh filename to Posix form. */) | |
2634 | (mac_filename) | |
2635 | Lisp_Object mac_filename; | |
1a578e9b | 2636 | { |
60fe1161 | 2637 | char posix_filename[MAXPATHLEN+1]; |
1a578e9b | 2638 | |
e0f712ba | 2639 | CHECK_STRING (mac_filename); |
7d0393cf | 2640 | |
d5db4077 | 2641 | if (mac_to_posix_pathname (SDATA (mac_filename), posix_filename, |
1a578e9b | 2642 | MAXPATHLEN)) |
60fe1161 | 2643 | return build_string (posix_filename); |
1a578e9b AC |
2644 | else |
2645 | return Qnil; | |
2646 | } | |
2647 | ||
2648 | ||
e0f712ba AC |
2649 | DEFUN ("posix-file-name-to-mac", Fposix_file_name_to_mac, |
2650 | Sposix_file_name_to_mac, 1, 1, 0, | |
2651 | doc: /* Convert Posix filename to Mac form. */) | |
2652 | (posix_filename) | |
2653 | Lisp_Object posix_filename; | |
1a578e9b AC |
2654 | { |
2655 | char mac_filename[MAXPATHLEN+1]; | |
2656 | ||
e0f712ba | 2657 | CHECK_STRING (posix_filename); |
7d0393cf | 2658 | |
d5db4077 | 2659 | if (posix_to_mac_pathname (SDATA (posix_filename), mac_filename, |
1a578e9b AC |
2660 | MAXPATHLEN)) |
2661 | return build_string (mac_filename); | |
2662 | else | |
2663 | return Qnil; | |
2664 | } | |
2665 | ||
2666 | ||
2667 | /* set interprogram-paste-function to mac-paste-function in mac-win.el | |
2668 | to enable Emacs to obtain the contents of the Mac clipboard. */ | |
2669 | DEFUN ("mac-paste-function", Fmac_paste_function, Smac_paste_function, 0, 0, 0, | |
e0f712ba AC |
2670 | doc: /* Return the contents of the Mac clipboard as a string. */) |
2671 | () | |
1a578e9b | 2672 | { |
e0f712ba | 2673 | #if TARGET_API_MAC_CARBON |
c3f4c690 | 2674 | OSStatus err; |
e0f712ba AC |
2675 | ScrapRef scrap; |
2676 | ScrapFlavorFlags sff; | |
2677 | Size s; | |
2678 | int i; | |
2679 | char *data; | |
2680 | ||
c3f4c690 ST |
2681 | BLOCK_INPUT; |
2682 | err = GetCurrentScrap (&scrap); | |
2683 | if (err == noErr) | |
2684 | err = GetScrapFlavorFlags (scrap, kScrapFlavorTypeText, &sff); | |
2685 | if (err == noErr) | |
2686 | err = GetScrapFlavorSize (scrap, kScrapFlavorTypeText, &s); | |
2687 | if (err == noErr && (data = (char*) alloca (s))) | |
2688 | err = GetScrapFlavorData (scrap, kScrapFlavorTypeText, &s, data); | |
2689 | UNBLOCK_INPUT; | |
2690 | if (err != noErr || s == 0) | |
e0f712ba | 2691 | return Qnil; |
7d0393cf | 2692 | |
e0f712ba AC |
2693 | /* Emacs expects clipboard contents have Unix-style eol's */ |
2694 | for (i = 0; i < s; i++) | |
2695 | if (data[i] == '\r') | |
2696 | data[i] = '\n'; | |
2697 | ||
2698 | return make_string (data, s); | |
2699 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2700 | Lisp_Object value; |
2701 | Handle my_handle; | |
2702 | long scrap_offset, rc, i; | |
2703 | ||
2704 | my_handle = NewHandle (0); /* allocate 0-length data area */ | |
2705 | ||
2706 | rc = GetScrap (my_handle, 'TEXT', &scrap_offset); | |
2707 | if (rc < 0) | |
2708 | return Qnil; | |
2709 | ||
2710 | HLock (my_handle); | |
2711 | ||
2712 | /* Emacs expects clipboard contents have Unix-style eol's */ | |
2713 | for (i = 0; i < rc; i++) | |
2714 | if ((*my_handle)[i] == '\r') | |
2715 | (*my_handle)[i] = '\n'; | |
2716 | ||
2717 | value = make_string (*my_handle, rc); | |
2718 | ||
2719 | HUnlock (my_handle); | |
7d0393cf | 2720 | |
1a578e9b AC |
2721 | DisposeHandle (my_handle); |
2722 | ||
2723 | return value; | |
e0f712ba | 2724 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2725 | } |
2726 | ||
2727 | ||
2728 | /* set interprogram-cut-function to mac-cut-function in mac-win.el | |
2729 | to enable Emacs to write the top of the kill-ring to the Mac clipboard. */ | |
2730 | DEFUN ("mac-cut-function", Fmac_cut_function, Smac_cut_function, 1, 2, 0, | |
e0f712ba | 2731 | doc: /* Put the value of the string parameter to the Mac clipboard. */) |
1a578e9b AC |
2732 | (value, push) |
2733 | Lisp_Object value, push; | |
2734 | { | |
2735 | char *buf; | |
2736 | int len, i; | |
2737 | ||
2738 | /* fixme: ignore the push flag for now */ | |
2739 | ||
e0f712ba | 2740 | CHECK_STRING (value); |
7d0393cf | 2741 | |
d5db4077 | 2742 | len = SCHARS (value); |
e0f712ba | 2743 | buf = (char *) alloca (len+1); |
d5db4077 | 2744 | bcopy (SDATA (value), buf, len); |
e0f712ba | 2745 | buf[len] = '\0'; |
7d0393cf | 2746 | |
1a578e9b AC |
2747 | /* convert to Mac-style eol's before sending to clipboard */ |
2748 | for (i = 0; i < len; i++) | |
2749 | if (buf[i] == '\n') | |
2750 | buf[i] = '\r'; | |
2751 | ||
e0f712ba AC |
2752 | #if TARGET_API_MAC_CARBON |
2753 | { | |
2754 | ScrapRef scrap; | |
c3f4c690 ST |
2755 | |
2756 | BLOCK_INPUT; | |
e0f712ba AC |
2757 | ClearCurrentScrap (); |
2758 | if (GetCurrentScrap (&scrap) != noErr) | |
c3f4c690 ST |
2759 | { |
2760 | UNBLOCK_INPUT; | |
2761 | error ("cannot get current scrap"); | |
2762 | } | |
e0f712ba AC |
2763 | |
2764 | if (PutScrapFlavor (scrap, kScrapFlavorTypeText, kScrapFlavorMaskNone, len, | |
2765 | buf) != noErr) | |
c3f4c690 ST |
2766 | { |
2767 | UNBLOCK_INPUT; | |
2768 | error ("cannot put to scrap"); | |
2769 | } | |
2770 | UNBLOCK_INPUT; | |
e0f712ba AC |
2771 | } |
2772 | #else /* not TARGET_API_MAC_CARBON */ | |
1a578e9b AC |
2773 | ZeroScrap (); |
2774 | PutScrap (len, 'TEXT', buf); | |
e0f712ba | 2775 | #endif /* not TARGET_API_MAC_CARBON */ |
7d0393cf | 2776 | |
1a578e9b AC |
2777 | return Qnil; |
2778 | } | |
2779 | ||
2780 | ||
2781 | DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p, | |
e0f712ba AC |
2782 | 0, 1, 0, |
2783 | doc: /* Whether there is an owner for the given X Selection. | |
2784 | The arg should be the name of the selection in question, typically one of | |
2785 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
14bda6db | 2786 | \(Those are literal upper-case symbol names, since that's what X expects.) |
e0f712ba AC |
2787 | For convenience, the symbol nil is the same as `PRIMARY', |
2788 | and t is the same as `SECONDARY'. */) | |
1a578e9b AC |
2789 | (selection) |
2790 | Lisp_Object selection; | |
2791 | { | |
e0f712ba | 2792 | CHECK_SYMBOL (selection); |
1a578e9b AC |
2793 | |
2794 | /* Return nil for PRIMARY and SECONDARY selections; for CLIPBOARD, check | |
2795 | if the clipboard currently has valid text format contents. */ | |
2796 | ||
2797 | if (EQ (selection, QCLIPBOARD)) | |
2798 | { | |
2799 | Lisp_Object val = Qnil; | |
e0f712ba AC |
2800 | |
2801 | #if TARGET_API_MAC_CARBON | |
2802 | ScrapRef scrap; | |
2803 | ScrapFlavorFlags sff; | |
2804 | ||
c3f4c690 | 2805 | BLOCK_INPUT; |
e0f712ba AC |
2806 | if (GetCurrentScrap (&scrap) == noErr) |
2807 | if (GetScrapFlavorFlags (scrap, kScrapFlavorTypeText, &sff) == noErr) | |
2808 | val = Qt; | |
c3f4c690 | 2809 | UNBLOCK_INPUT; |
e0f712ba | 2810 | #else /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2811 | Handle my_handle; |
2812 | long rc, scrap_offset; | |
2813 | ||
2814 | my_handle = NewHandle (0); | |
2815 | ||
2816 | rc = GetScrap (my_handle, 'TEXT', &scrap_offset); | |
2817 | if (rc >= 0) | |
2818 | val = Qt; | |
2819 | ||
2820 | DisposeHandle (my_handle); | |
e0f712ba | 2821 | #endif /* not TARGET_API_MAC_CARBON */ |
1a578e9b AC |
2822 | |
2823 | return val; | |
2824 | } | |
2825 | return Qnil; | |
2826 | } | |
2827 | ||
b15325b2 ST |
2828 | |
2829 | DEFUN ("mac-clear-font-name-table", Fmac_clear_font_name_table, Smac_clear_font_name_table, 0, 0, 0, | |
2830 | doc: /* Clear the font name table. */) | |
2831 | () | |
2832 | { | |
2833 | check_mac (); | |
2834 | mac_clear_font_name_table (); | |
2835 | return Qnil; | |
2836 | } | |
2837 | ||
8030369c AC |
2838 | #ifdef MAC_OSX |
2839 | #undef select | |
2840 | ||
2841 | extern int inhibit_window_system; | |
2b187eac | 2842 | extern int noninteractive; |
8030369c | 2843 | |
b15325b2 ST |
2844 | /* Unlike in X11, window events in Carbon do not come from sockets. |
2845 | So we cannot simply use `select' to monitor two kinds of inputs: | |
2846 | window events and process outputs. We emulate such functionality | |
2847 | by regarding fd 0 as the window event channel and simultaneously | |
2848 | monitoring both kinds of input channels. It is implemented by | |
2849 | dividing into some cases: | |
2850 | 1. The window event channel is not involved. | |
2851 | -> Use `select'. | |
2852 | 2. Sockets are not involved. | |
2853 | -> Use ReceiveNextEvent. | |
2854 | 3. [If SELECT_USE_CFSOCKET is defined] | |
2855 | Only the window event channel and socket read channels are | |
2856 | involved, and timeout is not too short (greater than | |
2857 | SELECT_TIMEOUT_THRESHHOLD_RUNLOOP seconds). | |
2858 | -> Create CFSocket for each socket and add it into the current | |
2859 | event RunLoop so that an `ready-to-read' event can be posted | |
2860 | to the event queue that is also used for window events. Then | |
2861 | ReceiveNextEvent can wait for both kinds of inputs. | |
2862 | 4. Otherwise. | |
2863 | -> Periodically poll the window input channel while repeatedly | |
2864 | executing `select' with a short timeout | |
2865 | (SELECT_POLLING_PERIOD_USEC microseconds). */ | |
2866 | ||
2867 | #define SELECT_POLLING_PERIOD_USEC 20000 | |
2868 | #ifdef SELECT_USE_CFSOCKET | |
2869 | #define SELECT_TIMEOUT_THRESHOLD_RUNLOOP 0.2 | |
2870 | #define EVENT_CLASS_SOCK 'Sock' | |
2871 | ||
2872 | static void | |
2873 | socket_callback (s, type, address, data, info) | |
2874 | CFSocketRef s; | |
2875 | CFSocketCallBackType type; | |
2876 | CFDataRef address; | |
2877 | const void *data; | |
2878 | void *info; | |
2879 | { | |
2880 | EventRef event; | |
2881 | ||
2882 | CreateEvent (NULL, EVENT_CLASS_SOCK, 0, 0, kEventAttributeNone, &event); | |
2883 | PostEventToQueue (GetCurrentEventQueue (), event, kEventPriorityStandard); | |
2884 | ReleaseEvent (event); | |
2885 | } | |
2886 | #endif /* SELECT_USE_CFSOCKET */ | |
2887 | ||
2888 | static int | |
2889 | select_and_poll_event (n, rfds, wfds, efds, timeout) | |
2890 | int n; | |
2891 | SELECT_TYPE *rfds; | |
2892 | SELECT_TYPE *wfds; | |
2893 | SELECT_TYPE *efds; | |
2894 | struct timeval *timeout; | |
2895 | { | |
2896 | int r; | |
2897 | OSErr err; | |
2898 | ||
2899 | r = select (n, rfds, wfds, efds, timeout); | |
2900 | if (r != -1) | |
2901 | { | |
2902 | BLOCK_INPUT; | |
2903 | err = ReceiveNextEvent (0, NULL, kEventDurationNoWait, | |
2904 | kEventLeaveInQueue, NULL); | |
2905 | UNBLOCK_INPUT; | |
2906 | if (err == noErr) | |
2907 | { | |
2908 | FD_SET (0, rfds); | |
2909 | r++; | |
2910 | } | |
2911 | } | |
2912 | return r; | |
2913 | } | |
2914 | ||
856a5c5b | 2915 | #if MAC_OS_X_VERSION_MAX_ALLOWED < 1020 |
b15325b2 ST |
2916 | #undef SELECT_INVALIDATE_CFSOCKET |
2917 | #endif | |
2918 | ||
8030369c AC |
2919 | int |
2920 | sys_select (n, rfds, wfds, efds, timeout) | |
bfcf6608 ST |
2921 | int n; |
2922 | SELECT_TYPE *rfds; | |
2923 | SELECT_TYPE *wfds; | |
2924 | SELECT_TYPE *efds; | |
2925 | struct timeval *timeout; | |
8030369c | 2926 | { |
bfcf6608 | 2927 | OSErr err; |
b15325b2 ST |
2928 | int i, r; |
2929 | EMACS_TIME select_timeout; | |
2930 | ||
e082ac9d ST |
2931 | if (inhibit_window_system || noninteractive |
2932 | || rfds == NULL || !FD_ISSET (0, rfds)) | |
bfcf6608 | 2933 | return select (n, rfds, wfds, efds, timeout); |
b15325b2 ST |
2934 | |
2935 | FD_CLR (0, rfds); | |
2936 | ||
bfcf6608 | 2937 | if (wfds == NULL && efds == NULL) |
2b187eac | 2938 | { |
b15325b2 ST |
2939 | int nsocks = 0; |
2940 | SELECT_TYPE orfds = *rfds; | |
2941 | ||
2942 | EventTimeout timeout_sec = | |
2943 | (timeout | |
2944 | ? (EMACS_SECS (*timeout) * kEventDurationSecond | |
2945 | + EMACS_USECS (*timeout) * kEventDurationMicrosecond) | |
2946 | : kEventDurationForever); | |
bfcf6608 ST |
2947 | |
2948 | for (i = 1; i < n; i++) | |
2949 | if (FD_ISSET (i, rfds)) | |
b15325b2 | 2950 | nsocks++; |
bfcf6608 | 2951 | |
b15325b2 ST |
2952 | if (nsocks == 0) |
2953 | { | |
bfcf6608 ST |
2954 | BLOCK_INPUT; |
2955 | err = ReceiveNextEvent (0, NULL, timeout_sec, | |
2956 | kEventLeaveInQueue, NULL); | |
2957 | UNBLOCK_INPUT; | |
2958 | if (err == noErr) | |
96720f09 | 2959 | { |
e082ac9d ST |
2960 | FD_SET (0, rfds); |
2961 | return 1; | |
96720f09 | 2962 | } |
bfcf6608 ST |
2963 | else |
2964 | return 0; | |
2b187eac | 2965 | } |
2b187eac | 2966 | |
b15325b2 ST |
2967 | /* Avoid initial overhead of RunLoop setup for the case that |
2968 | some input is already available. */ | |
2969 | EMACS_SET_SECS_USECS (select_timeout, 0, 0); | |
2970 | r = select_and_poll_event (n, rfds, wfds, efds, &select_timeout); | |
2971 | if (r != 0 || timeout_sec == 0.0) | |
2972 | return r; | |
177c0ea7 | 2973 | |
b15325b2 | 2974 | *rfds = orfds; |
bfcf6608 | 2975 | |
b15325b2 ST |
2976 | #ifdef SELECT_USE_CFSOCKET |
2977 | if (timeout_sec > 0 && timeout_sec <= SELECT_TIMEOUT_THRESHOLD_RUNLOOP) | |
2978 | goto poll_periodically; | |
bfcf6608 | 2979 | |
b15325b2 ST |
2980 | { |
2981 | CFRunLoopRef runloop = | |
2982 | (CFRunLoopRef) GetCFRunLoopFromEventLoop (GetCurrentEventLoop ()); | |
2983 | EventTypeSpec specs[] = {{EVENT_CLASS_SOCK, 0}}; | |
2984 | #ifdef SELECT_INVALIDATE_CFSOCKET | |
2985 | CFSocketRef *shead, *s; | |
2986 | #else | |
2987 | CFRunLoopSourceRef *shead, *s; | |
2988 | #endif | |
2989 | ||
2990 | BLOCK_INPUT; | |
2991 | ||
2992 | #ifdef SELECT_INVALIDATE_CFSOCKET | |
2993 | shead = xmalloc (sizeof (CFSocketRef) * nsocks); | |
2994 | #else | |
2995 | shead = xmalloc (sizeof (CFRunLoopSourceRef) * nsocks); | |
2996 | #endif | |
2997 | s = shead; | |
2998 | for (i = 1; i < n; i++) | |
2999 | if (FD_ISSET (i, rfds)) | |
bfcf6608 | 3000 | { |
b15325b2 ST |
3001 | CFSocketRef socket = |
3002 | CFSocketCreateWithNative (NULL, i, kCFSocketReadCallBack, | |
3003 | socket_callback, NULL); | |
3004 | CFRunLoopSourceRef source = | |
3005 | CFSocketCreateRunLoopSource (NULL, socket, 0); | |
3006 | ||
3007 | #ifdef SELECT_INVALIDATE_CFSOCKET | |
3008 | CFSocketSetSocketFlags (socket, 0); | |
3009 | #endif | |
3010 | CFRunLoopAddSource (runloop, source, kCFRunLoopDefaultMode); | |
3011 | #ifdef SELECT_INVALIDATE_CFSOCKET | |
3012 | CFRelease (source); | |
3013 | *s = socket; | |
3014 | #else | |
3015 | CFRelease (socket); | |
3016 | *s = source; | |
3017 | #endif | |
3018 | s++; | |
bfcf6608 | 3019 | } |
1000788b | 3020 | |
b15325b2 ST |
3021 | err = ReceiveNextEvent (0, NULL, timeout_sec, kEventLeaveInQueue, NULL); |
3022 | ||
3023 | do | |
3024 | { | |
3025 | --s; | |
3026 | #ifdef SELECT_INVALIDATE_CFSOCKET | |
3027 | CFSocketInvalidate (*s); | |
3028 | #else | |
3029 | CFRunLoopRemoveSource (runloop, *s, kCFRunLoopDefaultMode); | |
3030 | #endif | |
3031 | CFRelease (*s); | |
3032 | } | |
3033 | while (s != shead); | |
3034 | ||
3035 | xfree (shead); | |
3036 | ||
3037 | if (err) | |
3038 | { | |
3039 | FD_ZERO (rfds); | |
3040 | r = 0; | |
3041 | } | |
3042 | else | |
3043 | { | |
3044 | FlushEventsMatchingListFromQueue (GetCurrentEventQueue (), | |
3045 | GetEventTypeCount (specs), | |
3046 | specs); | |
3047 | EMACS_SET_SECS_USECS (select_timeout, 0, 0); | |
3048 | r = select_and_poll_event (n, rfds, wfds, efds, &select_timeout); | |
3049 | } | |
3050 | ||
3051 | UNBLOCK_INPUT; | |
3052 | ||
3053 | return r; | |
3054 | } | |
3055 | #endif /* SELECT_USE_CFSOCKET */ | |
bfcf6608 | 3056 | } |
bfcf6608 | 3057 | |
b15325b2 ST |
3058 | poll_periodically: |
3059 | { | |
3060 | EMACS_TIME end_time, now, remaining_time; | |
3061 | SELECT_TYPE orfds = *rfds, owfds, oefds; | |
3062 | ||
3063 | if (wfds) | |
3064 | owfds = *wfds; | |
3065 | if (efds) | |
3066 | oefds = *efds; | |
3067 | if (timeout) | |
3068 | { | |
3069 | remaining_time = *timeout; | |
3070 | EMACS_GET_TIME (now); | |
3071 | EMACS_ADD_TIME (end_time, now, remaining_time); | |
3072 | } | |
3073 | ||
3074 | do | |
3075 | { | |
3076 | EMACS_SET_SECS_USECS (select_timeout, 0, SELECT_POLLING_PERIOD_USEC); | |
3077 | if (timeout && EMACS_TIME_LT (remaining_time, select_timeout)) | |
3078 | select_timeout = remaining_time; | |
3079 | r = select_and_poll_event (n, rfds, wfds, efds, &select_timeout); | |
3080 | if (r != 0) | |
3081 | return r; | |
3082 | ||
3083 | *rfds = orfds; | |
3084 | if (wfds) | |
3085 | *wfds = owfds; | |
3086 | if (efds) | |
3087 | *efds = oefds; | |
3088 | ||
3089 | if (timeout) | |
3090 | { | |
3091 | EMACS_GET_TIME (now); | |
3092 | EMACS_SUB_TIME (remaining_time, end_time, now); | |
3093 | } | |
3094 | } | |
3095 | while (!timeout || EMACS_TIME_LT (now, end_time)); | |
3096 | ||
3097 | FD_ZERO (rfds); | |
3098 | if (wfds) | |
3099 | FD_ZERO (wfds); | |
3100 | if (efds) | |
3101 | FD_ZERO (efds); | |
3102 | return 0; | |
3103 | } | |
bfcf6608 | 3104 | } |
1000788b AC |
3105 | |
3106 | /* Set up environment variables so that Emacs can correctly find its | |
3107 | support files when packaged as an application bundle. Directories | |
3108 | placed in /usr/local/share/emacs/<emacs-version>/, /usr/local/bin, | |
3109 | and /usr/local/libexec/emacs/<emacs-version>/<system-configuration> | |
3110 | by `make install' by default can instead be placed in | |
3111 | .../Emacs.app/Contents/Resources/ and | |
3112 | .../Emacs.app/Contents/MacOS/. Each of these environment variables | |
3113 | is changed only if it is not already set. Presumably if the user | |
3114 | sets an environment variable, he will want to use files in his path | |
3115 | instead of ones in the application bundle. */ | |
3116 | void | |
3117 | init_mac_osx_environment () | |
3118 | { | |
3119 | CFBundleRef bundle; | |
3120 | CFURLRef bundleURL; | |
3121 | CFStringRef cf_app_bundle_pathname; | |
3122 | int app_bundle_pathname_len; | |
3123 | char *app_bundle_pathname; | |
3124 | char *p, *q; | |
3125 | struct stat st; | |
3126 | ||
3127 | /* Fetch the pathname of the application bundle as a C string into | |
3128 | app_bundle_pathname. */ | |
3129 | ||
3130 | bundle = CFBundleGetMainBundle (); | |
3131 | if (!bundle) | |
3132 | return; | |
3133 | ||
3134 | bundleURL = CFBundleCopyBundleURL (bundle); | |
3135 | if (!bundleURL) | |
3136 | return; | |
3137 | ||
3138 | cf_app_bundle_pathname = CFURLCopyFileSystemPath (bundleURL, | |
3139 | kCFURLPOSIXPathStyle); | |
3140 | app_bundle_pathname_len = CFStringGetLength (cf_app_bundle_pathname); | |
3141 | app_bundle_pathname = (char *) alloca (app_bundle_pathname_len + 1); | |
3142 | ||
3143 | if (!CFStringGetCString (cf_app_bundle_pathname, | |
3144 | app_bundle_pathname, | |
3145 | app_bundle_pathname_len + 1, | |
3146 | kCFStringEncodingISOLatin1)) | |
3147 | { | |
3148 | CFRelease (cf_app_bundle_pathname); | |
3149 | return; | |
3150 | } | |
3151 | ||
3152 | CFRelease (cf_app_bundle_pathname); | |
3153 | ||
3154 | /* P should have sufficient room for the pathname of the bundle plus | |
3155 | the subpath in it leading to the respective directories. Q | |
3156 | should have three times that much room because EMACSLOADPATH can | |
3157 | have the value "<path to lisp dir>:<path to leim dir>:<path to | |
3158 | site-lisp dir>". */ | |
3159 | p = (char *) alloca (app_bundle_pathname_len + 50); | |
3160 | q = (char *) alloca (3 * app_bundle_pathname_len + 150); | |
3161 | if (!getenv ("EMACSLOADPATH")) | |
3162 | { | |
3163 | q[0] = '\0'; | |
3164 | ||
3165 | strcpy (p, app_bundle_pathname); | |
3166 | strcat (p, "/Contents/Resources/lisp"); | |
3167 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
3168 | strcat (q, p); | |
3169 | ||
3170 | strcpy (p, app_bundle_pathname); | |
3171 | strcat (p, "/Contents/Resources/leim"); | |
3172 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
3173 | { | |
3174 | if (q[0] != '\0') | |
3175 | strcat (q, ":"); | |
3176 | strcat (q, p); | |
3177 | } | |
3178 | ||
3179 | strcpy (p, app_bundle_pathname); | |
3180 | strcat (p, "/Contents/Resources/site-lisp"); | |
3181 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
3182 | { | |
3183 | if (q[0] != '\0') | |
3184 | strcat (q, ":"); | |
3185 | strcat (q, p); | |
3186 | } | |
3187 | ||
3188 | if (q[0] != '\0') | |
3189 | setenv ("EMACSLOADPATH", q, 1); | |
3190 | } | |
3191 | ||
3192 | if (!getenv ("EMACSPATH")) | |
3193 | { | |
3194 | q[0] = '\0'; | |
3195 | ||
3196 | strcpy (p, app_bundle_pathname); | |
e8f25745 | 3197 | strcat (p, "/Contents/MacOS/libexec"); |
1000788b AC |
3198 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) |
3199 | strcat (q, p); | |
3200 | ||
3201 | strcpy (p, app_bundle_pathname); | |
e8f25745 | 3202 | strcat (p, "/Contents/MacOS/bin"); |
1000788b AC |
3203 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) |
3204 | { | |
3205 | if (q[0] != '\0') | |
3206 | strcat (q, ":"); | |
3207 | strcat (q, p); | |
3208 | } | |
3209 | ||
3210 | if (q[0] != '\0') | |
3211 | setenv ("EMACSPATH", q, 1); | |
3212 | } | |
3213 | ||
3214 | if (!getenv ("EMACSDATA")) | |
3215 | { | |
3216 | strcpy (p, app_bundle_pathname); | |
3217 | strcat (p, "/Contents/Resources/etc"); | |
3218 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
3219 | setenv ("EMACSDATA", p, 1); | |
3220 | } | |
3221 | ||
3222 | if (!getenv ("EMACSDOC")) | |
3223 | { | |
3224 | strcpy (p, app_bundle_pathname); | |
3225 | strcat (p, "/Contents/Resources/etc"); | |
3226 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
3227 | setenv ("EMACSDOC", p, 1); | |
3228 | } | |
3229 | ||
3230 | if (!getenv ("INFOPATH")) | |
3231 | { | |
3232 | strcpy (p, app_bundle_pathname); | |
3233 | strcat (p, "/Contents/Resources/info"); | |
3234 | if (stat (p, &st) == 0 && (st.st_mode & S_IFMT) == S_IFDIR) | |
3235 | setenv ("INFOPATH", p, 1); | |
3236 | } | |
3237 | } | |
8030369c | 3238 | #endif /* MAC_OSX */ |
1a578e9b AC |
3239 | |
3240 | void | |
3241 | syms_of_mac () | |
3242 | { | |
3243 | QCLIPBOARD = intern ("CLIPBOARD"); | |
3244 | staticpro (&QCLIPBOARD); | |
7d0393cf | 3245 | |
1a578e9b AC |
3246 | defsubr (&Smac_paste_function); |
3247 | defsubr (&Smac_cut_function); | |
3248 | defsubr (&Sx_selection_exists_p); | |
b15325b2 | 3249 | defsubr (&Smac_clear_font_name_table); |
1a578e9b AC |
3250 | |
3251 | defsubr (&Sdo_applescript); | |
60fe1161 AC |
3252 | defsubr (&Smac_file_name_to_posix); |
3253 | defsubr (&Sposix_file_name_to_mac); | |
1a578e9b | 3254 | } |
ab5796a9 MB |
3255 | |
3256 | /* arch-tag: 29d30c1f-0c6b-4f88-8a6d-0558d7f9dbff | |
3257 | (do not change this comment) */ |