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