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3d8d56df | 1 | /* Copyright (C) 1996, 1997 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
0f2d19dd | 41 | \f |
3d8d56df | 42 | #include <stdio.h> |
0f2d19dd | 43 | #include "_scm.h" |
20e6290e JB |
44 | #include "genio.h" |
45 | #include "smob.h" | |
52f4f4d6 | 46 | #include "feature.h" |
3d8d56df | 47 | #include "fports.h" |
0f2d19dd | 48 | |
20e6290e | 49 | #include "filesys.h" |
0f2d19dd JB |
50 | \f |
51 | #ifdef TIME_WITH_SYS_TIME | |
52 | # include <sys/time.h> | |
53 | # include <time.h> | |
54 | #else | |
55 | # if HAVE_SYS_TIME_H | |
56 | # include <sys/time.h> | |
57 | # else | |
58 | # include <time.h> | |
59 | # endif | |
60 | #endif | |
61 | ||
62 | #ifdef HAVE_UNISTD_H | |
63 | #include <unistd.h> | |
64 | #endif | |
65 | ||
3594582b | 66 | #ifdef LIBC_H_WITH_UNISTD_H |
1f9e2226 JB |
67 | #include <libc.h> |
68 | #endif | |
69 | ||
0f2d19dd JB |
70 | #ifdef HAVE_SYS_SELECT_H |
71 | #include <sys/select.h> | |
72 | #endif | |
73 | ||
1f9e2226 JB |
74 | #ifdef HAVE_STRING_H |
75 | #include <string.h> | |
76 | #endif | |
77 | ||
8cc71382 | 78 | #include <sys/types.h> |
0f2d19dd JB |
79 | #include <sys/stat.h> |
80 | #include <fcntl.h> | |
81 | ||
82 | #include <pwd.h> | |
83 | ||
84 | ||
85 | #ifdef FD_SET | |
86 | ||
87 | #define SELECT_TYPE fd_set | |
88 | #define SELECT_SET_SIZE FD_SETSIZE | |
89 | ||
90 | #else /* no FD_SET */ | |
91 | ||
92 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
93 | #define SELECT_SET_SIZE 32 | |
94 | #define SELECT_TYPE int | |
95 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
96 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
97 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
98 | #define FD_ZERO(p) (*(p) = 0) | |
99 | ||
100 | #endif /* no FD_SET */ | |
101 | ||
102 | #if HAVE_DIRENT_H | |
103 | # include <dirent.h> | |
104 | # define NAMLEN(dirent) strlen((dirent)->d_name) | |
105 | #else | |
106 | # define dirent direct | |
107 | # define NAMLEN(dirent) (dirent)->d_namlen | |
108 | # if HAVE_SYS_NDIR_H | |
109 | # include <sys/ndir.h> | |
110 | # endif | |
111 | # if HAVE_SYS_DIR_H | |
112 | # include <sys/dir.h> | |
113 | # endif | |
114 | # if HAVE_NDIR_H | |
115 | # include <ndir.h> | |
116 | # endif | |
117 | #endif | |
118 | ||
d7b8a21a JB |
119 | /* Ultrix has S_IFSOCK, but no S_ISSOCK. Ipe! */ |
120 | #if defined (S_IFSOCK) && ! defined (S_ISSOCK) | |
121 | #define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK) | |
122 | #endif | |
0f2d19dd JB |
123 | \f |
124 | ||
0f2d19dd JB |
125 | |
126 | \f | |
127 | ||
128 | /* {Permissions} | |
129 | */ | |
130 | ||
3d8d56df | 131 | SCM_PROC (s_chown, "chown", 3, 0, 0, scm_chown); |
1cc91f1b | 132 | |
0f2d19dd | 133 | SCM |
6afcd3b2 GH |
134 | scm_chown (object, owner, group) |
135 | SCM object; | |
0f2d19dd JB |
136 | SCM owner; |
137 | SCM group; | |
0f2d19dd | 138 | { |
6afcd3b2 GH |
139 | int rv; |
140 | int fdes; | |
02b754d3 | 141 | |
3d8d56df GH |
142 | SCM_ASSERT (SCM_INUMP (owner), owner, SCM_ARG2, s_chown); |
143 | SCM_ASSERT (SCM_INUMP (group), group, SCM_ARG3, s_chown); | |
6afcd3b2 GH |
144 | SCM_DEFER_INTS; |
145 | if (SCM_INUMP (object) || (SCM_NIMP (object) && SCM_OPFPORTP (object))) | |
146 | { | |
147 | if (SCM_INUMP (object)) | |
148 | fdes = SCM_INUM (object); | |
149 | else | |
150 | { | |
151 | fdes = fileno ((FILE *) SCM_STREAM (object)); | |
152 | if (fdes == -1) | |
153 | scm_syserror (s_chown); | |
154 | } | |
155 | SCM_SYSCALL (rv = fchown (fdes, SCM_INUM (owner), SCM_INUM (group))); | |
156 | } | |
157 | else | |
158 | { | |
159 | SCM_ASSERT (SCM_NIMP (object) && SCM_ROSTRINGP (object), | |
160 | object, SCM_ARG1, s_chown); | |
161 | SCM_COERCE_SUBSTR (object); | |
162 | SCM_SYSCALL (rv = chown (SCM_ROCHARS (object), | |
163 | SCM_INUM (owner), SCM_INUM (group))); | |
164 | } | |
165 | if (rv == -1) | |
3d8d56df | 166 | scm_syserror (s_chown); |
6afcd3b2 | 167 | SCM_ALLOW_INTS; |
02b754d3 | 168 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
169 | } |
170 | ||
171 | ||
3d8d56df | 172 | SCM_PROC (s_chmod, "chmod", 2, 0, 0, scm_chmod); |
1cc91f1b | 173 | |
0f2d19dd | 174 | SCM |
6afcd3b2 GH |
175 | scm_chmod (object, mode) |
176 | SCM object; | |
0f2d19dd | 177 | SCM mode; |
0f2d19dd JB |
178 | { |
179 | int rv; | |
6afcd3b2 GH |
180 | int fdes; |
181 | ||
3d8d56df | 182 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_chmod); |
6afcd3b2 GH |
183 | SCM_DEFER_INTS; |
184 | if (SCM_INUMP (object) || (SCM_NIMP (object) && SCM_OPFPORTP (object))) | |
89958ad0 | 185 | { |
6afcd3b2 GH |
186 | if (SCM_INUMP (object)) |
187 | fdes = SCM_INUM (object); | |
188 | else | |
189 | { | |
190 | fdes = fileno ((FILE *) SCM_STREAM (object)); | |
191 | if (fdes == -1) | |
192 | scm_syserror (s_chmod); | |
193 | } | |
194 | SCM_SYSCALL (rv = fchmod (fdes, SCM_INUM (mode))); | |
89958ad0 | 195 | } |
0f2d19dd JB |
196 | else |
197 | { | |
6afcd3b2 GH |
198 | SCM_ASSERT (SCM_NIMP (object) && SCM_ROSTRINGP (object), |
199 | object, SCM_ARG1, s_chmod); | |
200 | SCM_COERCE_SUBSTR (object); | |
201 | SCM_SYSCALL (rv = chmod (SCM_ROCHARS (object), SCM_INUM (mode))); | |
0f2d19dd | 202 | } |
6afcd3b2 | 203 | if (rv == -1) |
3d8d56df | 204 | scm_syserror (s_chmod); |
6afcd3b2 | 205 | SCM_ALLOW_INTS; |
02b754d3 | 206 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
207 | } |
208 | ||
209 | SCM_PROC (s_umask, "umask", 0, 1, 0, scm_umask); | |
1cc91f1b | 210 | |
0f2d19dd JB |
211 | SCM |
212 | scm_umask (mode) | |
213 | SCM mode; | |
0f2d19dd JB |
214 | { |
215 | mode_t mask; | |
216 | if (SCM_UNBNDP (mode)) | |
217 | { | |
218 | mask = umask (0); | |
219 | umask (mask); | |
220 | } | |
221 | else | |
222 | { | |
223 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG1, s_umask); | |
224 | mask = umask (SCM_INUM (mode)); | |
225 | } | |
226 | return SCM_MAKINUM (mask); | |
227 | } | |
228 | ||
229 | \f | |
0f2d19dd | 230 | |
6afcd3b2 | 231 | SCM_PROC (s_open_fdes, "open-fdes", 2, 1, 0, scm_open_fdes); |
0f2d19dd | 232 | SCM |
6afcd3b2 | 233 | scm_open_fdes (SCM path, SCM flags, SCM mode) |
0f2d19dd JB |
234 | { |
235 | int fd; | |
3d8d56df | 236 | int iflags; |
6afcd3b2 | 237 | int imode; |
0f2d19dd | 238 | |
6afcd3b2 GH |
239 | SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, |
240 | s_open_fdes); | |
241 | SCM_COERCE_SUBSTR (path); | |
242 | iflags = scm_num2long (flags, (char *) SCM_ARG2, s_open_fdes); | |
0f2d19dd JB |
243 | |
244 | SCM_DEFER_INTS; | |
3d8d56df | 245 | if (SCM_UNBNDP (mode)) |
6afcd3b2 | 246 | imode = 0666; |
0f2d19dd JB |
247 | else |
248 | { | |
6afcd3b2 GH |
249 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG3, s_open_fdes); |
250 | imode = SCM_INUM (mode); | |
0f2d19dd | 251 | } |
6afcd3b2 | 252 | SCM_SYSCALL (fd = open (SCM_ROCHARS (path), iflags, imode)); |
3d8d56df | 253 | if (fd == -1) |
6afcd3b2 GH |
254 | scm_syserror (s_open_fdes); |
255 | SCM_ALLOW_INTS; | |
256 | return SCM_MAKINUM (fd); | |
257 | } | |
258 | ||
259 | SCM_PROC (s_open, "open", 2, 1, 0, scm_open); | |
260 | SCM | |
261 | scm_open (SCM path, SCM flags, SCM mode) | |
262 | { | |
263 | SCM newpt; | |
264 | char *port_mode; | |
265 | int fd; | |
266 | FILE *f; | |
267 | int iflags; | |
268 | ||
269 | fd = SCM_INUM (scm_open_fdes (path, flags, mode)); | |
270 | iflags = scm_num2long (flags, (char *) SCM_ARG2, s_open_fdes); | |
3d8d56df GH |
271 | SCM_NEWCELL (newpt); |
272 | if (iflags & O_RDWR) | |
273 | port_mode = "r+"; | |
274 | else { | |
275 | if (iflags & O_WRONLY) | |
276 | port_mode = "w"; | |
277 | else | |
278 | port_mode = "r"; | |
279 | } | |
6afcd3b2 | 280 | SCM_DEFER_INTS; |
3d8d56df GH |
281 | f = fdopen (fd, port_mode); |
282 | if (!f) | |
0f2d19dd | 283 | { |
3d8d56df GH |
284 | SCM_SYSCALL (close (fd)); |
285 | scm_syserror (s_open); | |
0f2d19dd | 286 | } |
3d8d56df GH |
287 | { |
288 | struct scm_port_table * pt; | |
289 | ||
290 | pt = scm_add_to_port_table (newpt); | |
291 | SCM_SETPTAB_ENTRY (newpt, pt); | |
292 | SCM_SETCAR (newpt, scm_tc16_fport | scm_mode_bits (port_mode)); | |
293 | /* if (SCM_BUF0 & SCM_CAR (newpt)) | |
294 | scm_setbuf0 (newpt); */ | |
295 | SCM_SETSTREAM (newpt, (SCM)f); | |
296 | SCM_PTAB_ENTRY (newpt)->file_name = path; | |
297 | } | |
0f2d19dd | 298 | SCM_ALLOW_INTS; |
1cc91f1b | 299 | |
3d8d56df | 300 | return newpt; |
0f2d19dd JB |
301 | } |
302 | ||
eadd48de GH |
303 | SCM_PROC (s_close, "close", 1, 0, 0, scm_close); |
304 | SCM | |
305 | scm_close (SCM fd_or_port) | |
306 | { | |
307 | int rv; | |
308 | int fd; | |
309 | ||
310 | if (SCM_NIMP (fd_or_port) && SCM_PORTP (fd_or_port)) | |
311 | return scm_close_port (fd_or_port); | |
312 | SCM_ASSERT (SCM_INUMP (fd_or_port), fd_or_port, SCM_ARG1, s_close); | |
313 | fd = SCM_INUM (fd_or_port); | |
314 | SCM_DEFER_INTS; | |
315 | scm_evict_ports (fd); /* see scsh manual. */ | |
a9488d12 | 316 | SCM_SYSCALL (rv = close (fd)); |
eadd48de GH |
317 | /* following scsh, closing an already closed file descriptor is |
318 | not an error. */ | |
319 | if (rv < 0 && errno != EBADF) | |
320 | scm_syserror (s_close); | |
321 | SCM_ALLOW_INTS; | |
322 | return (rv < 0) ? SCM_BOOL_F : SCM_BOOL_T; | |
323 | } | |
324 | ||
0f2d19dd JB |
325 | \f |
326 | /* {Files} | |
327 | */ | |
1cc91f1b | 328 | |
ae5253c5 GH |
329 | SCM_SYMBOL (scm_sym_regular, "regular"); |
330 | SCM_SYMBOL (scm_sym_directory, "directory"); | |
331 | SCM_SYMBOL (scm_sym_symlink, "symlink"); | |
332 | SCM_SYMBOL (scm_sym_block_special, "block-special"); | |
333 | SCM_SYMBOL (scm_sym_char_special, "char-special"); | |
334 | SCM_SYMBOL (scm_sym_fifo, "fifo"); | |
335 | SCM_SYMBOL (scm_sym_sock, "socket"); | |
336 | SCM_SYMBOL (scm_sym_unknown, "unknown"); | |
337 | ||
1cc91f1b JB |
338 | static SCM scm_stat2scm SCM_P ((struct stat *stat_temp)); |
339 | ||
0f2d19dd JB |
340 | static SCM |
341 | scm_stat2scm (stat_temp) | |
342 | struct stat *stat_temp; | |
0f2d19dd | 343 | { |
ae5253c5 | 344 | SCM ans = scm_make_vector (SCM_MAKINUM (15), SCM_UNSPECIFIED, SCM_BOOL_F); |
0f2d19dd | 345 | SCM *ve = SCM_VELTS (ans); |
ae5253c5 | 346 | |
0f2d19dd JB |
347 | ve[0] = scm_ulong2num ((unsigned long) stat_temp->st_dev); |
348 | ve[1] = scm_ulong2num ((unsigned long) stat_temp->st_ino); | |
349 | ve[2] = scm_ulong2num ((unsigned long) stat_temp->st_mode); | |
350 | ve[3] = scm_ulong2num ((unsigned long) stat_temp->st_nlink); | |
351 | ve[4] = scm_ulong2num ((unsigned long) stat_temp->st_uid); | |
352 | ve[5] = scm_ulong2num ((unsigned long) stat_temp->st_gid); | |
353 | #ifdef HAVE_ST_RDEV | |
354 | ve[6] = scm_ulong2num ((unsigned long) stat_temp->st_rdev); | |
355 | #else | |
356 | ve[6] = SCM_BOOL_F; | |
357 | #endif | |
358 | ve[7] = scm_ulong2num ((unsigned long) stat_temp->st_size); | |
359 | ve[8] = scm_ulong2num ((unsigned long) stat_temp->st_atime); | |
360 | ve[9] = scm_ulong2num ((unsigned long) stat_temp->st_mtime); | |
361 | ve[10] = scm_ulong2num ((unsigned long) stat_temp->st_ctime); | |
362 | #ifdef HAVE_ST_BLKSIZE | |
363 | ve[11] = scm_ulong2num ((unsigned long) stat_temp->st_blksize); | |
364 | #else | |
365 | ve[11] = scm_ulong2num (4096L); | |
366 | #endif | |
367 | #ifdef HAVE_ST_BLOCKS | |
368 | ve[12] = scm_ulong2num ((unsigned long) stat_temp->st_blocks); | |
369 | #else | |
370 | ve[12] = SCM_BOOL_F; | |
371 | #endif | |
ae5253c5 GH |
372 | { |
373 | int mode = stat_temp->st_mode; | |
374 | ||
375 | if (S_ISREG (mode)) | |
376 | ve[13] = scm_sym_regular; | |
377 | else if (S_ISDIR (mode)) | |
378 | ve[13] = scm_sym_directory; | |
379 | else if (S_ISLNK (mode)) | |
380 | ve[13] = scm_sym_symlink; | |
381 | else if (S_ISBLK (mode)) | |
382 | ve[13] = scm_sym_block_special; | |
383 | else if (S_ISCHR (mode)) | |
384 | ve[13] = scm_sym_char_special; | |
385 | else if (S_ISFIFO (mode)) | |
386 | ve[13] = scm_sym_fifo; | |
387 | else if (S_ISSOCK (mode)) | |
388 | ve[13] = scm_sym_sock; | |
389 | else | |
390 | ve[13] = scm_sym_unknown; | |
391 | ||
392 | ve[14] = SCM_MAKINUM ((~S_IFMT) & mode); | |
393 | ||
394 | /* the layout of the bits in ve[14] is intended to be portable. | |
395 | If there are systems that don't follow the usual convention, | |
396 | the following could be used: | |
397 | ||
398 | tmp = 0; | |
399 | if (S_ISUID & mode) tmp += 1; | |
400 | tmp <<= 1; | |
401 | if (S_IRGRP & mode) tmp += 1; | |
402 | tmp <<= 1; | |
403 | if (S_ISVTX & mode) tmp += 1; | |
404 | tmp <<= 1; | |
405 | if (S_IRUSR & mode) tmp += 1; | |
406 | tmp <<= 1; | |
407 | if (S_IWUSR & mode) tmp += 1; | |
408 | tmp <<= 1; | |
409 | if (S_IXUSR & mode) tmp += 1; | |
410 | tmp <<= 1; | |
411 | if (S_IWGRP & mode) tmp += 1; | |
412 | tmp <<= 1; | |
413 | if (S_IXGRP & mode) tmp += 1; | |
414 | tmp <<= 1; | |
415 | if (S_IROTH & mode) tmp += 1; | |
416 | tmp <<= 1; | |
417 | if (S_IWOTH & mode) tmp += 1; | |
418 | tmp <<= 1; | |
419 | if (S_IXOTH & mode) tmp += 1; | |
420 | ||
421 | ve[14] = SCM_MAKINUM (tmp); | |
422 | ||
423 | */ | |
424 | } | |
0f2d19dd JB |
425 | |
426 | return ans; | |
427 | } | |
428 | ||
3d8d56df | 429 | SCM_PROC (s_stat, "stat", 1, 0, 0, scm_stat); |
1cc91f1b | 430 | |
0f2d19dd | 431 | SCM |
6afcd3b2 GH |
432 | scm_stat (object) |
433 | SCM object; | |
0f2d19dd | 434 | { |
6afcd3b2 GH |
435 | int rv; |
436 | int fdes; | |
0f2d19dd JB |
437 | struct stat stat_temp; |
438 | ||
6afcd3b2 GH |
439 | SCM_DEFER_INTS; |
440 | if (SCM_INUMP (object) || (SCM_NIMP (object) && SCM_OPFPORTP (object))) | |
0f2d19dd | 441 | { |
6afcd3b2 GH |
442 | if (SCM_INUMP (object)) |
443 | fdes = SCM_INUM (object); | |
c0ebd8c5 | 444 | else |
0f2d19dd | 445 | { |
6afcd3b2 GH |
446 | fdes = fileno ((FILE *) SCM_STREAM (object)); |
447 | if (fdes == -1) | |
448 | scm_syserror (s_stat); | |
0f2d19dd | 449 | } |
6afcd3b2 | 450 | SCM_SYSCALL (rv = fstat (fdes, &stat_temp)); |
0f2d19dd | 451 | } |
6afcd3b2 GH |
452 | else |
453 | { | |
454 | SCM_ASSERT (SCM_NIMP (object) && SCM_ROSTRINGP (object), | |
455 | object, SCM_ARG1, s_stat); | |
456 | SCM_COERCE_SUBSTR (object); | |
457 | SCM_SYSCALL (rv = stat (SCM_ROCHARS (object), &stat_temp)); | |
458 | } | |
459 | if (rv == -1) | |
3d8d56df GH |
460 | { |
461 | int en = errno; | |
462 | ||
463 | scm_syserror_msg (s_stat, "%s: %S", | |
464 | scm_listify (scm_makfrom0str (strerror (errno)), | |
6afcd3b2 | 465 | object, |
3d8d56df GH |
466 | SCM_UNDEFINED), |
467 | en); | |
468 | } | |
6afcd3b2 | 469 | SCM_ALLOW_INTS; |
02b754d3 | 470 | return scm_stat2scm (&stat_temp); |
0f2d19dd JB |
471 | } |
472 | ||
473 | ||
474 | \f | |
475 | /* {Modifying Directories} | |
476 | */ | |
477 | ||
3d8d56df | 478 | SCM_PROC (s_link, "link", 2, 0, 0, scm_link); |
1cc91f1b | 479 | |
0f2d19dd | 480 | SCM |
3d8d56df | 481 | scm_link (oldpath, newpath) |
0f2d19dd JB |
482 | SCM oldpath; |
483 | SCM newpath; | |
0f2d19dd JB |
484 | { |
485 | int val; | |
02b754d3 | 486 | |
6afcd3b2 GH |
487 | SCM_ASSERT (SCM_NIMP (oldpath) && SCM_ROSTRINGP (oldpath), oldpath, |
488 | SCM_ARG1, s_link); | |
0f2d19dd | 489 | if (SCM_SUBSTRP (oldpath)) |
6afcd3b2 GH |
490 | oldpath = scm_makfromstr (SCM_ROCHARS (oldpath), |
491 | SCM_ROLENGTH (oldpath), 0); | |
492 | SCM_ASSERT (SCM_NIMP (newpath) && SCM_ROSTRINGP (newpath), newpath, | |
493 | SCM_ARG2, s_link); | |
0f2d19dd | 494 | if (SCM_SUBSTRP (newpath)) |
6afcd3b2 GH |
495 | newpath = scm_makfromstr (SCM_ROCHARS (newpath), |
496 | SCM_ROLENGTH (newpath), 0); | |
497 | SCM_DEFER_INTS; | |
0f2d19dd | 498 | SCM_SYSCALL (val = link (SCM_ROCHARS (oldpath), SCM_ROCHARS (newpath))); |
02b754d3 | 499 | if (val != 0) |
3d8d56df | 500 | scm_syserror (s_link); |
6afcd3b2 | 501 | SCM_ALLOW_INTS; |
02b754d3 | 502 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
503 | } |
504 | ||
505 | ||
506 | ||
3d8d56df | 507 | SCM_PROC (s_rename, "rename-file", 2, 0, 0, scm_rename); |
1cc91f1b | 508 | |
0f2d19dd | 509 | SCM |
3d8d56df | 510 | scm_rename (oldname, newname) |
0f2d19dd JB |
511 | SCM oldname; |
512 | SCM newname; | |
0f2d19dd JB |
513 | { |
514 | int rv; | |
89958ad0 JB |
515 | SCM_ASSERT (SCM_NIMP (oldname) && SCM_ROSTRINGP (oldname), oldname, SCM_ARG1, |
516 | s_rename); | |
517 | SCM_ASSERT (SCM_NIMP (newname) && SCM_ROSTRINGP (newname), newname, SCM_ARG2, | |
518 | s_rename); | |
519 | SCM_COERCE_SUBSTR (oldname); | |
520 | SCM_COERCE_SUBSTR (newname); | |
6afcd3b2 | 521 | SCM_DEFER_INTS; |
0f2d19dd | 522 | #ifdef HAVE_RENAME |
89958ad0 | 523 | SCM_SYSCALL (rv = rename (SCM_ROCHARS (oldname), SCM_ROCHARS (newname))); |
0f2d19dd | 524 | #else |
89958ad0 | 525 | SCM_SYSCALL (rv = link (SCM_ROCHARS (oldname), SCM_ROCHARS (newname))); |
02b754d3 | 526 | if (rv == 0) |
0f2d19dd | 527 | { |
89958ad0 | 528 | SCM_SYSCALL (rv = unlink (SCM_ROCHARS (oldname)));; |
02b754d3 | 529 | if (rv != 0) |
0f2d19dd | 530 | /* unlink failed. remove new name */ |
89958ad0 | 531 | SCM_SYSCALL (unlink (SCM_ROCHARS (newname))); |
0f2d19dd | 532 | } |
6afcd3b2 | 533 | #endif |
02b754d3 | 534 | if (rv != 0) |
3d8d56df | 535 | scm_syserror (s_rename); |
6afcd3b2 | 536 | SCM_ALLOW_INTS; |
02b754d3 | 537 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
538 | } |
539 | ||
540 | ||
3d8d56df | 541 | SCM_PROC(s_delete_file, "delete-file", 1, 0, 0, scm_delete_file); |
1cc91f1b | 542 | |
2f3ed1ba | 543 | SCM |
3d8d56df | 544 | scm_delete_file (str) |
2f3ed1ba | 545 | SCM str; |
2f3ed1ba JB |
546 | { |
547 | int ans; | |
6afcd3b2 GH |
548 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, |
549 | s_delete_file); | |
89958ad0 | 550 | SCM_COERCE_SUBSTR (str); |
6afcd3b2 | 551 | SCM_DEFER_INTS; |
89958ad0 | 552 | SCM_SYSCALL (ans = unlink (SCM_ROCHARS (str))); |
2f3ed1ba | 553 | if (ans != 0) |
3d8d56df | 554 | scm_syserror (s_delete_file); |
6afcd3b2 | 555 | SCM_ALLOW_INTS; |
2f3ed1ba JB |
556 | return SCM_UNSPECIFIED; |
557 | } | |
558 | ||
6afcd3b2 GH |
559 | SCM_PROC (s_truncate_file, "truncate-file", 2, 0, 0, scm_truncate_file); |
560 | SCM | |
561 | scm_truncate_file (SCM object, SCM size) | |
562 | { | |
563 | int rv; | |
564 | scm_sizet csize; | |
565 | int fdes; | |
566 | ||
567 | csize = (scm_sizet) scm_num2long (size, (char *) SCM_ARG2, s_truncate_file); | |
568 | SCM_DEFER_INTS; | |
569 | if (SCM_INUMP (object) || (SCM_NIMP (object) && SCM_OPFPORTP (object))) | |
570 | { | |
571 | if (SCM_INUMP (object)) | |
572 | fdes = SCM_INUM (object); | |
573 | else | |
574 | { | |
575 | fdes = fileno ((FILE *) SCM_STREAM (object)); | |
576 | if (fdes == -1) | |
577 | scm_syserror (s_truncate_file); | |
578 | } | |
579 | SCM_SYSCALL (rv = ftruncate (fdes, csize)); | |
580 | } | |
581 | else | |
582 | { | |
583 | SCM_ASSERT (SCM_NIMP (object) && SCM_ROSTRINGP (object), | |
584 | object, SCM_ARG1, s_chown); | |
585 | SCM_COERCE_SUBSTR (object); | |
586 | SCM_SYSCALL (rv = truncate (SCM_ROCHARS (object), csize)); | |
587 | } | |
588 | if (rv == -1) | |
589 | scm_syserror (s_truncate_file); | |
590 | SCM_ALLOW_INTS; | |
591 | return SCM_UNSPECIFIED; | |
592 | } | |
0f2d19dd | 593 | |
3d8d56df | 594 | SCM_PROC (s_mkdir, "mkdir", 1, 1, 0, scm_mkdir); |
1cc91f1b | 595 | |
0f2d19dd | 596 | SCM |
3d8d56df | 597 | scm_mkdir (path, mode) |
0f2d19dd JB |
598 | SCM path; |
599 | SCM mode; | |
0f2d19dd JB |
600 | { |
601 | #ifdef HAVE_MKDIR | |
602 | int rv; | |
603 | mode_t mask; | |
89958ad0 JB |
604 | SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, |
605 | s_mkdir); | |
606 | SCM_COERCE_SUBSTR (path); | |
6afcd3b2 | 607 | SCM_DEFER_INTS; |
0f2d19dd JB |
608 | if (SCM_UNBNDP (mode)) |
609 | { | |
610 | mask = umask (0); | |
611 | umask (mask); | |
89958ad0 | 612 | SCM_SYSCALL (rv = mkdir (SCM_ROCHARS (path), 0777 ^ mask)); |
0f2d19dd JB |
613 | } |
614 | else | |
615 | { | |
3d8d56df | 616 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_mkdir); |
89958ad0 | 617 | SCM_SYSCALL (rv = mkdir (SCM_ROCHARS (path), SCM_INUM (mode))); |
0f2d19dd | 618 | } |
02b754d3 | 619 | if (rv != 0) |
3d8d56df | 620 | scm_syserror (s_mkdir); |
6afcd3b2 | 621 | SCM_ALLOW_INTS; |
02b754d3 | 622 | return SCM_UNSPECIFIED; |
0f2d19dd | 623 | #else |
3d8d56df | 624 | scm_sysmissing (s_mkdir); |
02b754d3 GH |
625 | /* not reached. */ |
626 | return SCM_BOOL_F; | |
0f2d19dd JB |
627 | #endif |
628 | } | |
629 | ||
630 | ||
3d8d56df | 631 | SCM_PROC (s_rmdir, "rmdir", 1, 0, 0, scm_rmdir); |
1cc91f1b | 632 | |
0f2d19dd | 633 | SCM |
3d8d56df | 634 | scm_rmdir (path) |
0f2d19dd | 635 | SCM path; |
0f2d19dd JB |
636 | { |
637 | #ifdef HAVE_RMDIR | |
638 | int val; | |
02b754d3 | 639 | |
89958ad0 JB |
640 | SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, |
641 | s_rmdir); | |
642 | SCM_COERCE_SUBSTR (path); | |
6afcd3b2 | 643 | SCM_DEFER_INTS; |
89958ad0 | 644 | SCM_SYSCALL (val = rmdir (SCM_ROCHARS (path))); |
02b754d3 | 645 | if (val != 0) |
3d8d56df | 646 | scm_syserror (s_rmdir); |
6afcd3b2 | 647 | SCM_ALLOW_INTS; |
02b754d3 | 648 | return SCM_UNSPECIFIED; |
0f2d19dd | 649 | #else |
3d8d56df | 650 | scm_sysmissing (s_rmdir); |
02b754d3 GH |
651 | /* not reached. */ |
652 | return SCM_BOOL_F; | |
0f2d19dd JB |
653 | #endif |
654 | } | |
655 | ||
656 | \f | |
657 | /* {Examining Directories} | |
658 | */ | |
659 | ||
660 | long scm_tc16_dir; | |
661 | ||
3d8d56df | 662 | SCM_PROC (s_opendir, "opendir", 1, 0, 0, scm_opendir); |
1cc91f1b | 663 | |
0f2d19dd | 664 | SCM |
3d8d56df | 665 | scm_opendir (dirname) |
0f2d19dd | 666 | SCM dirname; |
0f2d19dd JB |
667 | { |
668 | DIR *ds; | |
669 | SCM dir; | |
89958ad0 JB |
670 | SCM_ASSERT (SCM_NIMP (dirname) && SCM_ROSTRINGP (dirname), dirname, SCM_ARG1, |
671 | s_opendir); | |
672 | SCM_COERCE_SUBSTR (dirname); | |
0f2d19dd JB |
673 | SCM_NEWCELL (dir); |
674 | SCM_DEFER_INTS; | |
89958ad0 | 675 | SCM_SYSCALL (ds = opendir (SCM_ROCHARS (dirname))); |
02b754d3 | 676 | if (ds == NULL) |
3d8d56df | 677 | scm_syserror (s_opendir); |
a6c64c3c | 678 | SCM_SETCAR (dir, scm_tc16_dir | SCM_OPN); |
0f2d19dd JB |
679 | SCM_SETCDR (dir, ds); |
680 | SCM_ALLOW_INTS; | |
681 | return dir; | |
682 | } | |
683 | ||
684 | ||
3d8d56df | 685 | SCM_PROC (s_readdir, "readdir", 1, 0, 0, scm_readdir); |
1cc91f1b | 686 | |
0f2d19dd | 687 | SCM |
3d8d56df | 688 | scm_readdir (port) |
0f2d19dd | 689 | SCM port; |
0f2d19dd JB |
690 | { |
691 | struct dirent *rdent; | |
692 | SCM_DEFER_INTS; | |
3d8d56df | 693 | SCM_ASSERT (SCM_NIMP (port) && SCM_OPDIRP (port), port, SCM_ARG1, s_readdir); |
0f2d19dd JB |
694 | errno = 0; |
695 | SCM_SYSCALL (rdent = readdir ((DIR *) SCM_CDR (port))); | |
696 | SCM_ALLOW_INTS; | |
02b754d3 | 697 | if (errno != 0) |
3d8d56df | 698 | scm_syserror (s_readdir); |
02b754d3 GH |
699 | return (rdent ? scm_makfromstr (rdent->d_name, NAMLEN (rdent), 0) |
700 | : SCM_EOF_VAL); | |
0f2d19dd JB |
701 | } |
702 | ||
703 | ||
704 | ||
705 | SCM_PROC (s_rewinddir, "rewinddir", 1, 0, 0, scm_rewinddir); | |
1cc91f1b | 706 | |
0f2d19dd JB |
707 | SCM |
708 | scm_rewinddir (port) | |
709 | SCM port; | |
0f2d19dd JB |
710 | { |
711 | SCM_ASSERT (SCM_NIMP (port) && SCM_OPDIRP (port), port, SCM_ARG1, s_rewinddir); | |
712 | rewinddir ((DIR *) SCM_CDR (port)); | |
713 | return SCM_UNSPECIFIED; | |
714 | } | |
715 | ||
716 | ||
717 | ||
3d8d56df | 718 | SCM_PROC (s_closedir, "closedir", 1, 0, 0, scm_closedir); |
1cc91f1b | 719 | |
0f2d19dd | 720 | SCM |
3d8d56df | 721 | scm_closedir (port) |
0f2d19dd | 722 | SCM port; |
0f2d19dd JB |
723 | { |
724 | int sts; | |
02b754d3 | 725 | |
3d8d56df | 726 | SCM_ASSERT (SCM_NIMP (port) && SCM_DIRP (port), port, SCM_ARG1, s_closedir); |
0f2d19dd JB |
727 | SCM_DEFER_INTS; |
728 | if (SCM_CLOSEDP (port)) | |
729 | { | |
730 | SCM_ALLOW_INTS; | |
02b754d3 | 731 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
732 | } |
733 | SCM_SYSCALL (sts = closedir ((DIR *) SCM_CDR (port))); | |
02b754d3 | 734 | if (sts != 0) |
3d8d56df | 735 | scm_syserror (s_closedir); |
a6c64c3c | 736 | SCM_SETCAR (port, scm_tc16_dir); |
0f2d19dd | 737 | SCM_ALLOW_INTS; |
02b754d3 | 738 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
739 | } |
740 | ||
741 | ||
742 | ||
1cc91f1b JB |
743 | |
744 | static int scm_dir_print SCM_P ((SCM sexp, SCM port, scm_print_state *pstate)); | |
745 | ||
0f2d19dd | 746 | static int |
9882ea19 | 747 | scm_dir_print (sexp, port, pstate) |
0f2d19dd JB |
748 | SCM sexp; |
749 | SCM port; | |
9882ea19 | 750 | scm_print_state *pstate; |
0f2d19dd JB |
751 | { |
752 | scm_prinport (sexp, port, "directory"); | |
753 | return 1; | |
754 | } | |
755 | ||
1cc91f1b JB |
756 | |
757 | static scm_sizet scm_dir_free SCM_P ((SCM p)); | |
758 | ||
0f2d19dd JB |
759 | static scm_sizet |
760 | scm_dir_free (p) | |
761 | SCM p; | |
0f2d19dd JB |
762 | { |
763 | if (SCM_OPENP (p)) | |
764 | closedir ((DIR *) SCM_CDR (p)); | |
765 | return 0; | |
766 | } | |
767 | ||
768 | static scm_smobfuns dir_smob = {scm_mark0, scm_dir_free, scm_dir_print, 0}; | |
769 | ||
770 | \f | |
771 | /* {Navigating Directories} | |
772 | */ | |
773 | ||
774 | ||
3d8d56df | 775 | SCM_PROC (s_chdir, "chdir", 1, 0, 0, scm_chdir); |
1cc91f1b | 776 | |
0f2d19dd | 777 | SCM |
3d8d56df | 778 | scm_chdir (str) |
0f2d19dd | 779 | SCM str; |
0f2d19dd JB |
780 | { |
781 | int ans; | |
02b754d3 | 782 | |
89958ad0 JB |
783 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_chdir); |
784 | SCM_COERCE_SUBSTR (str); | |
6afcd3b2 | 785 | SCM_DEFER_INTS; |
89958ad0 | 786 | SCM_SYSCALL (ans = chdir (SCM_ROCHARS (str))); |
02b754d3 | 787 | if (ans != 0) |
3d8d56df | 788 | scm_syserror (s_chdir); |
6afcd3b2 | 789 | SCM_ALLOW_INTS; |
02b754d3 | 790 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
791 | } |
792 | ||
793 | ||
794 | ||
3d8d56df | 795 | SCM_PROC (s_getcwd, "getcwd", 0, 0, 0, scm_getcwd); |
1cc91f1b | 796 | |
0f2d19dd | 797 | SCM |
3d8d56df | 798 | scm_getcwd () |
0f2d19dd JB |
799 | { |
800 | #ifdef HAVE_GETCWD | |
801 | char *rv; | |
802 | ||
803 | scm_sizet size = 100; | |
804 | char *wd; | |
805 | SCM result; | |
806 | ||
807 | SCM_DEFER_INTS; | |
3d8d56df | 808 | wd = scm_must_malloc (size, s_getcwd); |
0f2d19dd JB |
809 | while ((rv = getcwd (wd, size)) == 0 && errno == ERANGE) |
810 | { | |
811 | scm_must_free (wd); | |
812 | size *= 2; | |
3d8d56df | 813 | wd = scm_must_malloc (size, s_getcwd); |
0f2d19dd | 814 | } |
02b754d3 | 815 | if (rv == 0) |
3d8d56df | 816 | scm_syserror (s_getcwd); |
02b754d3 | 817 | result = scm_makfromstr (wd, strlen (wd), 0); |
0f2d19dd JB |
818 | scm_must_free (wd); |
819 | SCM_ALLOW_INTS; | |
820 | return result; | |
821 | #else | |
3d8d56df | 822 | scm_sysmissing (s_getcwd); |
02b754d3 GH |
823 | /* not reached. */ |
824 | return SCM_BOOL_F; | |
0f2d19dd JB |
825 | #endif |
826 | } | |
827 | ||
828 | \f | |
829 | ||
1cc91f1b | 830 | |
a48a89bc GH |
831 | static void |
832 | set_element (SELECT_TYPE *set, SCM element) | |
833 | { | |
834 | if (SCM_NIMP (element) && SCM_TYP16 (element) == scm_tc16_fport | |
835 | && SCM_OPPORTP (element)) | |
836 | FD_SET (fileno ((FILE *) SCM_STREAM (element)), set); | |
837 | else if (SCM_INUMP (element)) | |
838 | FD_SET (SCM_INUM (element), set); | |
839 | } | |
1cc91f1b | 840 | |
0f2d19dd | 841 | static void |
a48a89bc | 842 | fill_select_type (SELECT_TYPE *set, SCM list) |
0f2d19dd | 843 | { |
a48a89bc | 844 | if (SCM_NIMP (list) && SCM_VECTORP (list)) |
0f2d19dd | 845 | { |
a48a89bc GH |
846 | int len = SCM_LENGTH (list); |
847 | SCM *ve = SCM_VELTS (list); | |
848 | ||
849 | while (len > 0) | |
850 | { | |
851 | set_element (set, ve[len - 1]); | |
852 | len--; | |
853 | } | |
854 | } | |
855 | else | |
856 | { | |
857 | while (list != SCM_EOL) | |
858 | { | |
859 | set_element (set, SCM_CAR (list)); | |
860 | list = SCM_CDR (list); | |
861 | } | |
0f2d19dd JB |
862 | } |
863 | } | |
864 | ||
a48a89bc GH |
865 | static SCM |
866 | get_element (SELECT_TYPE *set, SCM element, SCM list) | |
867 | { | |
868 | if (SCM_NIMP (element) | |
869 | && (scm_tc16_fport == SCM_TYP16 (element)) | |
870 | && SCM_OPPORTP (element)) | |
871 | { | |
872 | if (FD_ISSET (fileno ((FILE *)SCM_STREAM (element)), set)) | |
873 | list = scm_cons (element, list); | |
874 | } | |
875 | else if (SCM_INUMP (element)) | |
876 | { | |
877 | if (FD_ISSET (SCM_INUM (element), set)) | |
878 | list = scm_cons (element, list); | |
879 | } | |
880 | return list; | |
881 | } | |
1cc91f1b | 882 | |
0f2d19dd | 883 | static SCM |
a48a89bc | 884 | retrieve_select_type (SELECT_TYPE *set, SCM list) |
0f2d19dd | 885 | { |
a48a89bc GH |
886 | SCM answer_list = SCM_EOL; |
887 | ||
888 | if (SCM_NIMP (list) && SCM_VECTORP (list)) | |
0f2d19dd | 889 | { |
a48a89bc GH |
890 | int len = SCM_LENGTH (list); |
891 | SCM *ve = SCM_VELTS (list); | |
892 | ||
893 | while (len > 0) | |
0f2d19dd | 894 | { |
a48a89bc GH |
895 | answer_list = get_element (set, ve[len - 1], answer_list); |
896 | len--; | |
0f2d19dd | 897 | } |
a48a89bc GH |
898 | return scm_vector (answer_list); |
899 | } | |
900 | else | |
901 | { | |
902 | /* list is a list. */ | |
903 | while (list != SCM_EOL) | |
0f2d19dd | 904 | { |
a48a89bc GH |
905 | answer_list = get_element (set, SCM_CAR (list), answer_list); |
906 | list = SCM_CDR (list); | |
0f2d19dd | 907 | } |
a48a89bc | 908 | return answer_list; |
0f2d19dd | 909 | } |
0f2d19dd JB |
910 | } |
911 | ||
912 | ||
3d8d56df | 913 | SCM_PROC (s_select, "select", 3, 2, 0, scm_select); |
1cc91f1b | 914 | |
0f2d19dd | 915 | SCM |
a48a89bc | 916 | scm_select (reads, writes, excepts, secs, usecs) |
0f2d19dd JB |
917 | SCM reads; |
918 | SCM writes; | |
919 | SCM excepts; | |
920 | SCM secs; | |
a48a89bc | 921 | SCM usecs; |
0f2d19dd JB |
922 | { |
923 | #ifdef HAVE_SELECT | |
924 | struct timeval timeout; | |
925 | struct timeval * time_p; | |
926 | SELECT_TYPE read_set; | |
927 | SELECT_TYPE write_set; | |
928 | SELECT_TYPE except_set; | |
929 | int sreturn; | |
930 | ||
a48a89bc GH |
931 | #define assert_set(x, arg) \ |
932 | SCM_ASSERT (scm_ilength (x) > -1 || (SCM_NIMP (x) && SCM_VECTORP (x)), \ | |
933 | x, arg, s_select) | |
934 | assert_set (reads, SCM_ARG1); | |
935 | assert_set (writes, SCM_ARG2); | |
936 | assert_set (excepts, SCM_ARG3); | |
937 | #undef assert_set | |
0f2d19dd JB |
938 | |
939 | FD_ZERO (&read_set); | |
940 | FD_ZERO (&write_set); | |
941 | FD_ZERO (&except_set); | |
942 | ||
943 | fill_select_type (&read_set, reads); | |
944 | fill_select_type (&write_set, writes); | |
945 | fill_select_type (&except_set, excepts); | |
946 | ||
a48a89bc | 947 | if (SCM_UNBNDP (secs) || SCM_FALSEP (secs)) |
0f2d19dd JB |
948 | time_p = 0; |
949 | else | |
950 | { | |
a48a89bc GH |
951 | if (SCM_INUMP (secs)) |
952 | { | |
953 | timeout.tv_sec = SCM_INUM (secs); | |
954 | if (SCM_UNBNDP (usecs)) | |
955 | timeout.tv_usec = 0; | |
956 | else | |
957 | { | |
958 | SCM_ASSERT (SCM_INUMP (usecs), usecs, SCM_ARG5, s_select); | |
959 | ||
960 | timeout.tv_usec = SCM_INUM (usecs); | |
961 | } | |
962 | } | |
0f2d19dd | 963 | else |
a48a89bc GH |
964 | { |
965 | double fl = scm_num2dbl (secs, s_select); | |
966 | ||
967 | if (!SCM_UNBNDP (usecs)) | |
968 | scm_wrong_type_arg (s_select, 4, secs); | |
969 | if (fl > LONG_MAX) | |
970 | scm_out_of_range (s_select, secs); | |
971 | timeout.tv_sec = (long) fl; | |
972 | timeout.tv_usec = (long) ((fl - timeout.tv_sec) * 1000000); | |
973 | } | |
0f2d19dd JB |
974 | time_p = &timeout; |
975 | } | |
976 | ||
977 | SCM_DEFER_INTS; | |
978 | sreturn = select (SELECT_SET_SIZE, | |
979 | &read_set, &write_set, &except_set, time_p); | |
0f2d19dd | 980 | if (sreturn < 0) |
3d8d56df | 981 | scm_syserror (s_select); |
52f4f4d6 | 982 | SCM_ALLOW_INTS; |
02b754d3 GH |
983 | return scm_listify (retrieve_select_type (&read_set, reads), |
984 | retrieve_select_type (&write_set, writes), | |
985 | retrieve_select_type (&except_set, excepts), | |
986 | SCM_UNDEFINED); | |
0f2d19dd | 987 | #else |
3d8d56df | 988 | scm_sysmissing (s_select); |
02b754d3 GH |
989 | /* not reached. */ |
990 | return SCM_BOOL_F; | |
0f2d19dd JB |
991 | #endif |
992 | } | |
993 | ||
66b47b6c MD |
994 | /* Check if FILE has characters waiting to be read. */ |
995 | ||
996 | #ifdef __IBMC__ | |
997 | # define MSDOS | |
998 | #endif | |
999 | #ifdef MSDOS | |
1000 | # ifndef GO32 | |
1001 | # include <io.h> | |
1002 | # include <conio.h> | |
1003 | ||
1004 | int | |
1005 | scm_input_waiting_p (f, caller) | |
1006 | FILE *f; | |
1007 | char *caller; | |
1008 | { | |
1009 | if (feof (f)) | |
1010 | return 1; | |
1011 | if (fileno (f) == fileno (stdin) && (isatty (fileno (stdin)))) | |
1012 | return kbhit (); | |
1013 | return -1; | |
1014 | } | |
1015 | ||
1016 | # endif | |
1017 | #else | |
1018 | # ifdef _DCC | |
1019 | # include <ioctl.h> | |
1020 | # else | |
1021 | # ifndef AMIGA | |
1022 | # ifndef vms | |
1023 | # ifdef MWC | |
1024 | # include <sys/io.h> | |
1025 | # else | |
1026 | # ifndef THINK_C | |
1027 | # ifndef ARM_ULIB | |
1028 | # include <sys/ioctl.h> | |
1029 | # endif | |
1030 | # endif | |
1031 | # endif | |
1032 | # endif | |
1033 | # endif | |
1034 | # endif | |
1035 | ||
1036 | int | |
1037 | scm_input_waiting_p (f, caller) | |
1038 | FILE *f; | |
1039 | char *caller; | |
1040 | { | |
1041 | /* Can we return an end-of-file character? */ | |
1042 | if (feof (f)) | |
1043 | return 1; | |
1044 | ||
1045 | /* Do we have characters in the stdio buffer? */ | |
1046 | # ifdef FILE_CNT_FIELD | |
1047 | if (f->FILE_CNT_FIELD > 0) | |
1048 | return 1; | |
1049 | # else | |
1050 | # ifdef FILE_CNT_GPTR | |
1051 | if (f->_gptr != f->_egptr) | |
1052 | return 1; | |
1053 | # else | |
1054 | # ifdef FILE_CNT_READPTR | |
1055 | if (f->_IO_read_end != f->_IO_read_ptr) | |
1056 | return 1; | |
1057 | # else | |
1058 | Configure.in could not guess the name of the correct field in a FILE *. | |
1059 | This function needs to be ported to your system. | |
1060 | It should return zero iff no characters are waiting to be read.; | |
1061 | # endif | |
1062 | # endif | |
1063 | # endif | |
1064 | ||
1065 | /* Is the file prepared to deliver input? */ | |
370312ae | 1066 | # ifdef HAVE_SELECT |
66b47b6c MD |
1067 | { |
1068 | struct timeval timeout; | |
1069 | SELECT_TYPE read_set; | |
1070 | SELECT_TYPE write_set; | |
1071 | SELECT_TYPE except_set; | |
1072 | int fno = fileno ((FILE *)f); | |
1073 | ||
1074 | FD_ZERO (&read_set); | |
1075 | FD_ZERO (&write_set); | |
1076 | FD_ZERO (&except_set); | |
1077 | ||
1078 | FD_SET (fno, &read_set); | |
1079 | ||
1080 | timeout.tv_sec = 0; | |
1081 | timeout.tv_usec = 0; | |
1082 | ||
1083 | SCM_DEFER_INTS; | |
1084 | if (select (SELECT_SET_SIZE, | |
1085 | &read_set, &write_set, &except_set, &timeout) | |
1086 | < 0) | |
1087 | scm_syserror (caller); | |
1088 | SCM_ALLOW_INTS; | |
1089 | return FD_ISSET (fno, &read_set); | |
1090 | } | |
370312ae GH |
1091 | # else |
1092 | # ifdef FIONREAD | |
1093 | { | |
1094 | long remir; | |
1095 | ioctl(fileno(f), FIONREAD, &remir); | |
1096 | return remir; | |
1097 | } | |
66b47b6c | 1098 | # else |
4edc089c GH |
1099 | scm_misc_error ("char-ready?", "Not fully implemented on this platform", |
1100 | SCM_EOL); | |
66b47b6c MD |
1101 | # endif |
1102 | # endif | |
1103 | } | |
1104 | #endif | |
1105 | ||
0f2d19dd | 1106 | \f |
4c1feaa5 | 1107 | |
6afcd3b2 | 1108 | SCM_PROC (s_fcntl, "fcntl", 2, 0, 1, scm_fcntl); |
4c1feaa5 | 1109 | SCM |
6afcd3b2 | 1110 | scm_fcntl (SCM object, SCM cmd, SCM value) |
4c1feaa5 JB |
1111 | { |
1112 | int rv; | |
6afcd3b2 GH |
1113 | int fdes; |
1114 | int ivalue; | |
4c1feaa5 | 1115 | |
4c1feaa5 | 1116 | SCM_ASSERT (SCM_INUMP (cmd), cmd, SCM_ARG2, s_fcntl); |
6afcd3b2 GH |
1117 | if (SCM_NIMP (object) && SCM_OPFPORTP (object)) |
1118 | fdes = fileno ((FILE *) SCM_STREAM (object)); | |
1119 | else | |
1120 | { | |
1121 | SCM_ASSERT (SCM_INUMP (object), object, SCM_ARG1, s_fcntl); | |
1122 | fdes = SCM_INUM (object); | |
1123 | } | |
1124 | if (SCM_NULLP (value)) | |
1125 | ivalue = 0; | |
1126 | else | |
1127 | { | |
1128 | SCM_ASSERT (SCM_INUMP (SCM_CAR (value)), value, SCM_ARG3, s_fcntl); | |
1129 | ivalue = SCM_INUM (SCM_CAR (value)); | |
1130 | } | |
1131 | SCM_DEFER_INTS; | |
1132 | if (fdes != -1) | |
1133 | SCM_SYSCALL (rv = fcntl (fdes, SCM_INUM (cmd), ivalue)); | |
1134 | else | |
1135 | rv = 0; /* avoid compiler warning. */ | |
1136 | if (rv == -1 || fdes == -1) | |
4c1feaa5 | 1137 | scm_syserror (s_fcntl); |
6afcd3b2 | 1138 | SCM_ALLOW_INTS; |
4c1feaa5 JB |
1139 | return SCM_MAKINUM (rv); |
1140 | } | |
6afcd3b2 GH |
1141 | |
1142 | SCM_PROC (s_fsync, "fsync", 1, 0, 0, scm_fsync); | |
1143 | SCM | |
1144 | scm_fsync (SCM object) | |
1145 | { | |
1146 | int fdes; | |
1147 | ||
1148 | SCM_DEFER_INTS; | |
1149 | if (SCM_NIMP (object) && SCM_OPFPORTP (object)) | |
1150 | { | |
1151 | scm_force_output (object); | |
1152 | fdes = fileno ((FILE *) SCM_STREAM (object)); | |
1153 | if (fdes == -1) | |
1154 | scm_syserror (s_fsync); | |
1155 | } | |
1156 | else | |
1157 | { | |
1158 | SCM_ASSERT (SCM_INUMP (object), object, SCM_ARG1, s_fsync); | |
1159 | fdes = SCM_INUM (object); | |
1160 | } | |
1161 | if (fsync (fdes) == -1) | |
1162 | scm_syserror (s_fsync); | |
1163 | SCM_ALLOW_INTS; | |
1164 | return SCM_UNSPECIFIED; | |
1165 | } | |
0f2d19dd | 1166 | |
3d8d56df | 1167 | SCM_PROC (s_symlink, "symlink", 2, 0, 0, scm_symlink); |
1cc91f1b | 1168 | |
0f2d19dd | 1169 | SCM |
3d8d56df | 1170 | scm_symlink(oldpath, newpath) |
0f2d19dd JB |
1171 | SCM oldpath; |
1172 | SCM newpath; | |
0f2d19dd JB |
1173 | { |
1174 | #ifdef HAVE_SYMLINK | |
1175 | int val; | |
02b754d3 | 1176 | |
89958ad0 JB |
1177 | SCM_ASSERT (SCM_NIMP (oldpath) && SCM_ROSTRINGP (oldpath), oldpath, SCM_ARG1, |
1178 | s_symlink); | |
1179 | SCM_ASSERT (SCM_NIMP (newpath) && SCM_ROSTRINGP (newpath), newpath, SCM_ARG2, | |
1180 | s_symlink); | |
1181 | SCM_COERCE_SUBSTR (oldpath); | |
1182 | SCM_COERCE_SUBSTR (newpath); | |
6afcd3b2 | 1183 | SCM_DEFER_INTS; |
89958ad0 | 1184 | SCM_SYSCALL (val = symlink(SCM_ROCHARS(oldpath), SCM_ROCHARS(newpath))); |
02b754d3 | 1185 | if (val != 0) |
3d8d56df | 1186 | scm_syserror (s_symlink); |
6afcd3b2 | 1187 | SCM_ALLOW_INTS; |
02b754d3 | 1188 | return SCM_UNSPECIFIED; |
0f2d19dd | 1189 | #else |
3d8d56df | 1190 | scm_sysmissing (s_symlink); |
02b754d3 GH |
1191 | /* not reached. */ |
1192 | return SCM_BOOL_F; | |
0f2d19dd JB |
1193 | #endif |
1194 | } | |
1195 | ||
1196 | ||
3d8d56df | 1197 | SCM_PROC (s_readlink, "readlink", 1, 0, 0, scm_readlink); |
1cc91f1b | 1198 | |
0f2d19dd | 1199 | SCM |
3d8d56df | 1200 | scm_readlink(path) |
0f2d19dd | 1201 | SCM path; |
0f2d19dd JB |
1202 | { |
1203 | #ifdef HAVE_READLINK | |
1204 | scm_sizet rv; | |
1205 | scm_sizet size = 100; | |
1206 | char *buf; | |
1207 | SCM result; | |
89958ad0 JB |
1208 | SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, (char *) SCM_ARG1, |
1209 | s_readlink); | |
1210 | SCM_COERCE_SUBSTR (path); | |
0f2d19dd | 1211 | SCM_DEFER_INTS; |
3d8d56df | 1212 | buf = scm_must_malloc (size, s_readlink); |
89958ad0 | 1213 | while ((rv = readlink (SCM_ROCHARS (path), buf, (scm_sizet) size)) == size) |
0f2d19dd JB |
1214 | { |
1215 | scm_must_free (buf); | |
1216 | size *= 2; | |
3d8d56df | 1217 | buf = scm_must_malloc (size, s_readlink); |
0f2d19dd | 1218 | } |
02b754d3 | 1219 | if (rv == -1) |
3d8d56df | 1220 | scm_syserror (s_readlink); |
02b754d3 | 1221 | result = scm_makfromstr (buf, rv, 0); |
0f2d19dd JB |
1222 | scm_must_free (buf); |
1223 | SCM_ALLOW_INTS; | |
1224 | return result; | |
1225 | #else | |
3d8d56df | 1226 | scm_sysmissing (s_readlink); |
02b754d3 GH |
1227 | /* not reached. */ |
1228 | return SCM_BOOL_F; | |
0f2d19dd JB |
1229 | #endif |
1230 | } | |
1231 | ||
1232 | ||
3d8d56df | 1233 | SCM_PROC (s_lstat, "lstat", 1, 0, 0, scm_lstat); |
1cc91f1b | 1234 | |
0f2d19dd | 1235 | SCM |
3d8d56df | 1236 | scm_lstat(str) |
0f2d19dd | 1237 | SCM str; |
0f2d19dd | 1238 | { |
02b754d3 GH |
1239 | #ifdef HAVE_LSTAT |
1240 | int rv; | |
0f2d19dd | 1241 | struct stat stat_temp; |
02b754d3 | 1242 | |
89958ad0 JB |
1243 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, (char *) SCM_ARG1, |
1244 | s_lstat); | |
1245 | SCM_COERCE_SUBSTR (str); | |
6afcd3b2 | 1246 | SCM_DEFER_INTS; |
89958ad0 | 1247 | SCM_SYSCALL(rv = lstat(SCM_ROCHARS(str), &stat_temp)); |
02b754d3 | 1248 | if (rv != 0) |
3d8d56df GH |
1249 | { |
1250 | int en = errno; | |
1251 | ||
1252 | scm_syserror_msg (s_lstat, "%s: %S", | |
1253 | scm_listify (scm_makfrom0str (strerror (errno)), | |
1254 | str, | |
1255 | SCM_UNDEFINED), | |
1256 | en); | |
1257 | } | |
6afcd3b2 | 1258 | SCM_ALLOW_INTS; |
02b754d3 | 1259 | return scm_stat2scm(&stat_temp); |
0f2d19dd | 1260 | #else |
3d8d56df | 1261 | scm_sysmissing (s_lstat); |
02b754d3 GH |
1262 | /* not reached. */ |
1263 | return SCM_BOOL_F; | |
0f2d19dd JB |
1264 | #endif |
1265 | } | |
1266 | ||
1267 | ||
3d8d56df | 1268 | SCM_PROC (s_copy_file, "copy-file", 2, 0, 0, scm_copy_file); |
1cc91f1b | 1269 | |
0f2d19dd | 1270 | SCM |
3d8d56df | 1271 | scm_copy_file (oldfile, newfile) |
0f2d19dd JB |
1272 | SCM oldfile; |
1273 | SCM newfile; | |
0f2d19dd JB |
1274 | { |
1275 | int oldfd, newfd; | |
1276 | int n; | |
1277 | char buf[BUFSIZ]; /* this space could be shared. */ | |
1278 | struct stat oldstat; | |
1279 | ||
3d8d56df | 1280 | SCM_ASSERT (SCM_NIMP (oldfile) && SCM_ROSTRINGP (oldfile), oldfile, SCM_ARG1, s_copy_file); |
0f2d19dd JB |
1281 | if (SCM_SUBSTRP (oldfile)) |
1282 | oldfile = scm_makfromstr (SCM_ROCHARS (oldfile), SCM_ROLENGTH (oldfile), 0); | |
3d8d56df | 1283 | SCM_ASSERT (SCM_NIMP (newfile) && SCM_ROSTRINGP (newfile), newfile, SCM_ARG2, s_copy_file); |
0f2d19dd JB |
1284 | if (SCM_SUBSTRP (newfile)) |
1285 | newfile = scm_makfromstr (SCM_ROCHARS (newfile), SCM_ROLENGTH (newfile), 0); | |
1286 | if (stat (SCM_ROCHARS (oldfile), &oldstat) == -1) | |
3d8d56df | 1287 | scm_syserror (s_copy_file); |
0f2d19dd JB |
1288 | SCM_DEFER_INTS; |
1289 | oldfd = open (SCM_ROCHARS (oldfile), O_RDONLY); | |
1290 | if (oldfd == -1) | |
3d8d56df | 1291 | scm_syserror (s_copy_file); |
02b754d3 GH |
1292 | |
1293 | /* use POSIX flags instead of 07777?. */ | |
0f2d19dd JB |
1294 | newfd = open (SCM_ROCHARS (newfile), O_WRONLY | O_CREAT | O_TRUNC, |
1295 | oldstat.st_mode & 07777); | |
1296 | if (newfd == -1) | |
3d8d56df | 1297 | scm_syserror (s_copy_file); |
02b754d3 | 1298 | |
0f2d19dd JB |
1299 | while ((n = read (oldfd, buf, sizeof buf)) > 0) |
1300 | if (write (newfd, buf, n) != n) | |
1301 | { | |
1302 | close (oldfd); | |
1303 | close (newfd); | |
3d8d56df | 1304 | scm_syserror (s_copy_file); |
0f2d19dd JB |
1305 | } |
1306 | close (oldfd); | |
1307 | if (close (newfd) == -1) | |
3d8d56df | 1308 | scm_syserror (s_copy_file); |
0f2d19dd | 1309 | SCM_ALLOW_INTS; |
02b754d3 | 1310 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
1311 | } |
1312 | ||
1313 | \f | |
1cc91f1b | 1314 | |
0f2d19dd JB |
1315 | void |
1316 | scm_init_filesys () | |
0f2d19dd | 1317 | { |
52f4f4d6 | 1318 | scm_add_feature ("i/o-extensions"); |
0f2d19dd | 1319 | |
0f2d19dd JB |
1320 | scm_tc16_dir = scm_newsmob (&dir_smob); |
1321 | ||
3d8d56df GH |
1322 | #ifdef O_RDONLY |
1323 | scm_sysintern ("O_RDONLY", scm_long2num (O_RDONLY)); | |
1324 | #endif | |
1325 | #ifdef O_WRONLY | |
1326 | scm_sysintern ("O_WRONLY", scm_long2num (O_WRONLY)); | |
1327 | #endif | |
1328 | #ifdef O_RDWR | |
1329 | scm_sysintern ("O_RDWR", scm_long2num (O_RDWR)); | |
1330 | #endif | |
1331 | #ifdef O_CREAT | |
1332 | scm_sysintern ("O_CREAT", scm_long2num (O_CREAT)); | |
1333 | #endif | |
1334 | #ifdef O_EXCL | |
1335 | scm_sysintern ("O_EXCL", scm_long2num (O_EXCL)); | |
1336 | #endif | |
1337 | #ifdef O_NOCTTY | |
1338 | scm_sysintern ("O_NOCTTY", scm_long2num (O_NOCTTY)); | |
1339 | #endif | |
1340 | #ifdef O_TRUNC | |
1341 | scm_sysintern ("O_TRUNC", scm_long2num (O_TRUNC)); | |
1342 | #endif | |
1343 | #ifdef O_APPEND | |
1344 | scm_sysintern ("O_APPEND", scm_long2num (O_APPEND)); | |
1345 | #endif | |
6afcd3b2 | 1346 | #ifdef O_NONBLOCK |
3d8d56df GH |
1347 | scm_sysintern ("O_NONBLOCK", scm_long2num (O_NONBLOCK)); |
1348 | #endif | |
1349 | #ifdef O_NDELAY | |
1350 | scm_sysintern ("O_NDELAY", scm_long2num (O_NDELAY)); | |
1351 | #endif | |
1352 | #ifdef O_SYNC | |
1353 | scm_sysintern ("O_SYNC", scm_long2num (O_SYNC)); | |
1354 | #endif | |
1355 | ||
4c1feaa5 JB |
1356 | #ifdef F_DUPFD |
1357 | scm_sysintern ("F_DUPFD", scm_long2num (F_DUPFD)); | |
1358 | #endif | |
1359 | #ifdef F_GETFD | |
1360 | scm_sysintern ("F_GETFD", scm_long2num (F_GETFD)); | |
1361 | #endif | |
1362 | #ifdef F_SETFD | |
1363 | scm_sysintern ("F_SETFD", scm_long2num (F_SETFD)); | |
1364 | #endif | |
1365 | #ifdef F_GETFL | |
1366 | scm_sysintern ("F_GETFL", scm_long2num (F_GETFL)); | |
1367 | #endif | |
1368 | #ifdef F_SETFL | |
1369 | scm_sysintern ("F_SETFL", scm_long2num (F_SETFL)); | |
1370 | #endif | |
1371 | #ifdef F_GETOWN | |
1372 | scm_sysintern ("F_GETOWN", scm_long2num (F_GETOWN)); | |
1373 | #endif | |
1374 | #ifdef F_SETOWN | |
1375 | scm_sysintern ("F_SETOWN", scm_long2num (F_SETOWN)); | |
1376 | #endif | |
1377 | #ifdef FD_CLOEXEC | |
1378 | scm_sysintern ("FD_CLOEXEC", scm_long2num (FD_CLOEXEC)); | |
1379 | #endif | |
3d8d56df | 1380 | |
0f2d19dd JB |
1381 | #include "filesys.x" |
1382 | } |