Commit | Line | Data |
---|---|---|
7dc6e754 | 1 | /* Copyright (C) 1996, 1997, 1998 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" |
44e8413c | 48 | #include "iselect.h" |
0f2d19dd | 49 | |
20e6290e | 50 | #include "filesys.h" |
0f2d19dd JB |
51 | \f |
52 | #ifdef TIME_WITH_SYS_TIME | |
53 | # include <sys/time.h> | |
54 | # include <time.h> | |
55 | #else | |
56 | # if HAVE_SYS_TIME_H | |
57 | # include <sys/time.h> | |
58 | # else | |
59 | # include <time.h> | |
60 | # endif | |
61 | #endif | |
62 | ||
63 | #ifdef HAVE_UNISTD_H | |
64 | #include <unistd.h> | |
65 | #endif | |
66 | ||
3594582b | 67 | #ifdef LIBC_H_WITH_UNISTD_H |
1f9e2226 JB |
68 | #include <libc.h> |
69 | #endif | |
70 | ||
0f2d19dd JB |
71 | #ifdef HAVE_SYS_SELECT_H |
72 | #include <sys/select.h> | |
73 | #endif | |
74 | ||
1f9e2226 JB |
75 | #ifdef HAVE_STRING_H |
76 | #include <string.h> | |
77 | #endif | |
78 | ||
8cc71382 | 79 | #include <sys/types.h> |
0f2d19dd JB |
80 | #include <sys/stat.h> |
81 | #include <fcntl.h> | |
82 | ||
83 | #include <pwd.h> | |
84 | ||
85 | ||
0f2d19dd JB |
86 | #if HAVE_DIRENT_H |
87 | # include <dirent.h> | |
88 | # define NAMLEN(dirent) strlen((dirent)->d_name) | |
89 | #else | |
90 | # define dirent direct | |
91 | # define NAMLEN(dirent) (dirent)->d_namlen | |
92 | # if HAVE_SYS_NDIR_H | |
93 | # include <sys/ndir.h> | |
94 | # endif | |
95 | # if HAVE_SYS_DIR_H | |
96 | # include <sys/dir.h> | |
97 | # endif | |
98 | # if HAVE_NDIR_H | |
99 | # include <ndir.h> | |
100 | # endif | |
101 | #endif | |
102 | ||
d7b8a21a JB |
103 | /* Ultrix has S_IFSOCK, but no S_ISSOCK. Ipe! */ |
104 | #if defined (S_IFSOCK) && ! defined (S_ISSOCK) | |
105 | #define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK) | |
106 | #endif | |
0f2d19dd JB |
107 | \f |
108 | ||
0f2d19dd JB |
109 | |
110 | \f | |
111 | ||
112 | /* {Permissions} | |
113 | */ | |
114 | ||
3d8d56df | 115 | SCM_PROC (s_chown, "chown", 3, 0, 0, scm_chown); |
1cc91f1b | 116 | |
0f2d19dd | 117 | SCM |
6afcd3b2 GH |
118 | scm_chown (object, owner, group) |
119 | SCM object; | |
0f2d19dd JB |
120 | SCM owner; |
121 | SCM group; | |
0f2d19dd | 122 | { |
6afcd3b2 GH |
123 | int rv; |
124 | int fdes; | |
02b754d3 | 125 | |
78446828 MV |
126 | object = SCM_COERCE_OUTPORT (object); |
127 | ||
3d8d56df GH |
128 | SCM_ASSERT (SCM_INUMP (owner), owner, SCM_ARG2, s_chown); |
129 | SCM_ASSERT (SCM_INUMP (group), group, SCM_ARG3, s_chown); | |
6afcd3b2 GH |
130 | if (SCM_INUMP (object) || (SCM_NIMP (object) && SCM_OPFPORTP (object))) |
131 | { | |
132 | if (SCM_INUMP (object)) | |
133 | fdes = SCM_INUM (object); | |
134 | else | |
77a76b64 | 135 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 GH |
136 | SCM_SYSCALL (rv = fchown (fdes, SCM_INUM (owner), SCM_INUM (group))); |
137 | } | |
138 | else | |
139 | { | |
140 | SCM_ASSERT (SCM_NIMP (object) && SCM_ROSTRINGP (object), | |
141 | object, SCM_ARG1, s_chown); | |
142 | SCM_COERCE_SUBSTR (object); | |
143 | SCM_SYSCALL (rv = chown (SCM_ROCHARS (object), | |
144 | SCM_INUM (owner), SCM_INUM (group))); | |
145 | } | |
146 | if (rv == -1) | |
3d8d56df | 147 | scm_syserror (s_chown); |
02b754d3 | 148 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
149 | } |
150 | ||
151 | ||
3d8d56df | 152 | SCM_PROC (s_chmod, "chmod", 2, 0, 0, scm_chmod); |
1cc91f1b | 153 | |
0f2d19dd | 154 | SCM |
6afcd3b2 GH |
155 | scm_chmod (object, mode) |
156 | SCM object; | |
0f2d19dd | 157 | SCM mode; |
0f2d19dd JB |
158 | { |
159 | int rv; | |
6afcd3b2 GH |
160 | int fdes; |
161 | ||
78446828 MV |
162 | object = SCM_COERCE_OUTPORT (object); |
163 | ||
3d8d56df | 164 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_chmod); |
6afcd3b2 | 165 | if (SCM_INUMP (object) || (SCM_NIMP (object) && SCM_OPFPORTP (object))) |
89958ad0 | 166 | { |
6afcd3b2 GH |
167 | if (SCM_INUMP (object)) |
168 | fdes = SCM_INUM (object); | |
169 | else | |
77a76b64 | 170 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 | 171 | SCM_SYSCALL (rv = fchmod (fdes, SCM_INUM (mode))); |
89958ad0 | 172 | } |
0f2d19dd JB |
173 | else |
174 | { | |
6afcd3b2 GH |
175 | SCM_ASSERT (SCM_NIMP (object) && SCM_ROSTRINGP (object), |
176 | object, SCM_ARG1, s_chmod); | |
177 | SCM_COERCE_SUBSTR (object); | |
178 | SCM_SYSCALL (rv = chmod (SCM_ROCHARS (object), SCM_INUM (mode))); | |
0f2d19dd | 179 | } |
6afcd3b2 | 180 | if (rv == -1) |
3d8d56df | 181 | scm_syserror (s_chmod); |
02b754d3 | 182 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
183 | } |
184 | ||
185 | SCM_PROC (s_umask, "umask", 0, 1, 0, scm_umask); | |
1cc91f1b | 186 | |
0f2d19dd JB |
187 | SCM |
188 | scm_umask (mode) | |
189 | SCM mode; | |
0f2d19dd JB |
190 | { |
191 | mode_t mask; | |
192 | if (SCM_UNBNDP (mode)) | |
193 | { | |
194 | mask = umask (0); | |
195 | umask (mask); | |
196 | } | |
197 | else | |
198 | { | |
199 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG1, s_umask); | |
200 | mask = umask (SCM_INUM (mode)); | |
201 | } | |
202 | return SCM_MAKINUM (mask); | |
203 | } | |
204 | ||
205 | \f | |
0f2d19dd | 206 | |
6afcd3b2 | 207 | SCM_PROC (s_open_fdes, "open-fdes", 2, 1, 0, scm_open_fdes); |
0f2d19dd | 208 | SCM |
6afcd3b2 | 209 | scm_open_fdes (SCM path, SCM flags, SCM mode) |
0f2d19dd JB |
210 | { |
211 | int fd; | |
3d8d56df | 212 | int iflags; |
6afcd3b2 | 213 | int imode; |
0f2d19dd | 214 | |
6afcd3b2 GH |
215 | SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, |
216 | s_open_fdes); | |
217 | SCM_COERCE_SUBSTR (path); | |
218 | iflags = scm_num2long (flags, (char *) SCM_ARG2, s_open_fdes); | |
0f2d19dd | 219 | |
3d8d56df | 220 | if (SCM_UNBNDP (mode)) |
6afcd3b2 | 221 | imode = 0666; |
0f2d19dd JB |
222 | else |
223 | { | |
6afcd3b2 GH |
224 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG3, s_open_fdes); |
225 | imode = SCM_INUM (mode); | |
0f2d19dd | 226 | } |
6afcd3b2 | 227 | SCM_SYSCALL (fd = open (SCM_ROCHARS (path), iflags, imode)); |
3d8d56df | 228 | if (fd == -1) |
6afcd3b2 | 229 | scm_syserror (s_open_fdes); |
6afcd3b2 GH |
230 | return SCM_MAKINUM (fd); |
231 | } | |
232 | ||
233 | SCM_PROC (s_open, "open", 2, 1, 0, scm_open); | |
234 | SCM | |
235 | scm_open (SCM path, SCM flags, SCM mode) | |
236 | { | |
237 | SCM newpt; | |
238 | char *port_mode; | |
239 | int fd; | |
6afcd3b2 GH |
240 | int iflags; |
241 | ||
242 | fd = SCM_INUM (scm_open_fdes (path, flags, mode)); | |
243 | iflags = scm_num2long (flags, (char *) SCM_ARG2, s_open_fdes); | |
3d8d56df | 244 | if (iflags & O_RDWR) |
77a76b64 JB |
245 | { |
246 | if (iflags & O_APPEND) | |
247 | port_mode = "a+"; | |
248 | else if (iflags & O_CREAT) | |
249 | port_mode = "w+"; | |
250 | else | |
251 | port_mode = "r+"; | |
252 | } | |
3d8d56df | 253 | else { |
77a76b64 JB |
254 | if (iflags & O_APPEND) |
255 | port_mode = "a"; | |
256 | else if (iflags & O_WRONLY) | |
3d8d56df GH |
257 | port_mode = "w"; |
258 | else | |
259 | port_mode = "r"; | |
260 | } | |
77a76b64 | 261 | newpt = scm_fdes_to_port (fd, port_mode, path); |
3d8d56df | 262 | return newpt; |
0f2d19dd JB |
263 | } |
264 | ||
eadd48de GH |
265 | SCM_PROC (s_close, "close", 1, 0, 0, scm_close); |
266 | SCM | |
267 | scm_close (SCM fd_or_port) | |
268 | { | |
269 | int rv; | |
270 | int fd; | |
271 | ||
78446828 MV |
272 | fd_or_port = SCM_COERCE_OUTPORT (fd_or_port); |
273 | ||
eadd48de GH |
274 | if (SCM_NIMP (fd_or_port) && SCM_PORTP (fd_or_port)) |
275 | return scm_close_port (fd_or_port); | |
276 | SCM_ASSERT (SCM_INUMP (fd_or_port), fd_or_port, SCM_ARG1, s_close); | |
277 | fd = SCM_INUM (fd_or_port); | |
eadd48de | 278 | scm_evict_ports (fd); /* see scsh manual. */ |
a9488d12 | 279 | SCM_SYSCALL (rv = close (fd)); |
eadd48de GH |
280 | /* following scsh, closing an already closed file descriptor is |
281 | not an error. */ | |
282 | if (rv < 0 && errno != EBADF) | |
283 | scm_syserror (s_close); | |
eadd48de GH |
284 | return (rv < 0) ? SCM_BOOL_F : SCM_BOOL_T; |
285 | } | |
286 | ||
0f2d19dd JB |
287 | \f |
288 | /* {Files} | |
289 | */ | |
1cc91f1b | 290 | |
ae5253c5 GH |
291 | SCM_SYMBOL (scm_sym_regular, "regular"); |
292 | SCM_SYMBOL (scm_sym_directory, "directory"); | |
293 | SCM_SYMBOL (scm_sym_symlink, "symlink"); | |
294 | SCM_SYMBOL (scm_sym_block_special, "block-special"); | |
295 | SCM_SYMBOL (scm_sym_char_special, "char-special"); | |
296 | SCM_SYMBOL (scm_sym_fifo, "fifo"); | |
297 | SCM_SYMBOL (scm_sym_sock, "socket"); | |
298 | SCM_SYMBOL (scm_sym_unknown, "unknown"); | |
299 | ||
1cc91f1b JB |
300 | static SCM scm_stat2scm SCM_P ((struct stat *stat_temp)); |
301 | ||
0f2d19dd JB |
302 | static SCM |
303 | scm_stat2scm (stat_temp) | |
304 | struct stat *stat_temp; | |
0f2d19dd | 305 | { |
a8741caa | 306 | SCM ans = scm_make_vector (SCM_MAKINUM (15), SCM_UNSPECIFIED); |
0f2d19dd | 307 | SCM *ve = SCM_VELTS (ans); |
ae5253c5 | 308 | |
0f2d19dd JB |
309 | ve[0] = scm_ulong2num ((unsigned long) stat_temp->st_dev); |
310 | ve[1] = scm_ulong2num ((unsigned long) stat_temp->st_ino); | |
311 | ve[2] = scm_ulong2num ((unsigned long) stat_temp->st_mode); | |
312 | ve[3] = scm_ulong2num ((unsigned long) stat_temp->st_nlink); | |
313 | ve[4] = scm_ulong2num ((unsigned long) stat_temp->st_uid); | |
314 | ve[5] = scm_ulong2num ((unsigned long) stat_temp->st_gid); | |
315 | #ifdef HAVE_ST_RDEV | |
316 | ve[6] = scm_ulong2num ((unsigned long) stat_temp->st_rdev); | |
317 | #else | |
318 | ve[6] = SCM_BOOL_F; | |
319 | #endif | |
320 | ve[7] = scm_ulong2num ((unsigned long) stat_temp->st_size); | |
321 | ve[8] = scm_ulong2num ((unsigned long) stat_temp->st_atime); | |
322 | ve[9] = scm_ulong2num ((unsigned long) stat_temp->st_mtime); | |
323 | ve[10] = scm_ulong2num ((unsigned long) stat_temp->st_ctime); | |
324 | #ifdef HAVE_ST_BLKSIZE | |
325 | ve[11] = scm_ulong2num ((unsigned long) stat_temp->st_blksize); | |
326 | #else | |
327 | ve[11] = scm_ulong2num (4096L); | |
328 | #endif | |
329 | #ifdef HAVE_ST_BLOCKS | |
330 | ve[12] = scm_ulong2num ((unsigned long) stat_temp->st_blocks); | |
331 | #else | |
332 | ve[12] = SCM_BOOL_F; | |
333 | #endif | |
ae5253c5 GH |
334 | { |
335 | int mode = stat_temp->st_mode; | |
336 | ||
337 | if (S_ISREG (mode)) | |
338 | ve[13] = scm_sym_regular; | |
339 | else if (S_ISDIR (mode)) | |
340 | ve[13] = scm_sym_directory; | |
341 | else if (S_ISLNK (mode)) | |
342 | ve[13] = scm_sym_symlink; | |
343 | else if (S_ISBLK (mode)) | |
344 | ve[13] = scm_sym_block_special; | |
345 | else if (S_ISCHR (mode)) | |
346 | ve[13] = scm_sym_char_special; | |
347 | else if (S_ISFIFO (mode)) | |
348 | ve[13] = scm_sym_fifo; | |
349 | else if (S_ISSOCK (mode)) | |
350 | ve[13] = scm_sym_sock; | |
351 | else | |
352 | ve[13] = scm_sym_unknown; | |
353 | ||
354 | ve[14] = SCM_MAKINUM ((~S_IFMT) & mode); | |
355 | ||
356 | /* the layout of the bits in ve[14] is intended to be portable. | |
357 | If there are systems that don't follow the usual convention, | |
358 | the following could be used: | |
359 | ||
360 | tmp = 0; | |
361 | if (S_ISUID & mode) tmp += 1; | |
362 | tmp <<= 1; | |
363 | if (S_IRGRP & mode) tmp += 1; | |
364 | tmp <<= 1; | |
365 | if (S_ISVTX & mode) tmp += 1; | |
366 | tmp <<= 1; | |
367 | if (S_IRUSR & mode) tmp += 1; | |
368 | tmp <<= 1; | |
369 | if (S_IWUSR & mode) tmp += 1; | |
370 | tmp <<= 1; | |
371 | if (S_IXUSR & mode) tmp += 1; | |
372 | tmp <<= 1; | |
373 | if (S_IWGRP & mode) tmp += 1; | |
374 | tmp <<= 1; | |
375 | if (S_IXGRP & mode) tmp += 1; | |
376 | tmp <<= 1; | |
377 | if (S_IROTH & mode) tmp += 1; | |
378 | tmp <<= 1; | |
379 | if (S_IWOTH & mode) tmp += 1; | |
380 | tmp <<= 1; | |
381 | if (S_IXOTH & mode) tmp += 1; | |
382 | ||
383 | ve[14] = SCM_MAKINUM (tmp); | |
384 | ||
385 | */ | |
386 | } | |
0f2d19dd JB |
387 | |
388 | return ans; | |
389 | } | |
390 | ||
3d8d56df | 391 | SCM_PROC (s_stat, "stat", 1, 0, 0, scm_stat); |
1cc91f1b | 392 | |
0f2d19dd | 393 | SCM |
6afcd3b2 GH |
394 | scm_stat (object) |
395 | SCM object; | |
0f2d19dd | 396 | { |
6afcd3b2 GH |
397 | int rv; |
398 | int fdes; | |
0f2d19dd JB |
399 | struct stat stat_temp; |
400 | ||
1ea47048 MD |
401 | if (SCM_INUMP (object)) |
402 | SCM_SYSCALL (rv = fstat (SCM_INUM (object), &stat_temp)); | |
403 | else | |
0f2d19dd | 404 | { |
1ea47048 MD |
405 | SCM_ASSERT (SCM_NIMP (object), object, SCM_ARG1, s_stat); |
406 | if (SCM_ROSTRINGP (object)) | |
407 | { | |
408 | SCM_COERCE_SUBSTR (object); | |
409 | SCM_SYSCALL (rv = stat (SCM_ROCHARS (object), &stat_temp)); | |
410 | } | |
c0ebd8c5 | 411 | else |
0f2d19dd | 412 | { |
1ea47048 MD |
413 | object = SCM_COERCE_OUTPORT (object); |
414 | SCM_ASSERT (SCM_OPFPORTP (object), object, SCM_ARG1, s_stat); | |
77a76b64 | 415 | fdes = SCM_FPORT_FDES (object); |
1ea47048 | 416 | SCM_SYSCALL (rv = fstat (fdes, &stat_temp)); |
0f2d19dd | 417 | } |
6afcd3b2 GH |
418 | } |
419 | if (rv == -1) | |
3d8d56df GH |
420 | { |
421 | int en = errno; | |
422 | ||
423 | scm_syserror_msg (s_stat, "%s: %S", | |
424 | scm_listify (scm_makfrom0str (strerror (errno)), | |
6afcd3b2 | 425 | object, |
3d8d56df GH |
426 | SCM_UNDEFINED), |
427 | en); | |
428 | } | |
02b754d3 | 429 | return scm_stat2scm (&stat_temp); |
0f2d19dd JB |
430 | } |
431 | ||
0f2d19dd JB |
432 | \f |
433 | /* {Modifying Directories} | |
434 | */ | |
435 | ||
3d8d56df | 436 | SCM_PROC (s_link, "link", 2, 0, 0, scm_link); |
1cc91f1b | 437 | |
0f2d19dd | 438 | SCM |
3d8d56df | 439 | scm_link (oldpath, newpath) |
0f2d19dd JB |
440 | SCM oldpath; |
441 | SCM newpath; | |
0f2d19dd JB |
442 | { |
443 | int val; | |
02b754d3 | 444 | |
6afcd3b2 GH |
445 | SCM_ASSERT (SCM_NIMP (oldpath) && SCM_ROSTRINGP (oldpath), oldpath, |
446 | SCM_ARG1, s_link); | |
0f2d19dd | 447 | if (SCM_SUBSTRP (oldpath)) |
6afcd3b2 GH |
448 | oldpath = scm_makfromstr (SCM_ROCHARS (oldpath), |
449 | SCM_ROLENGTH (oldpath), 0); | |
450 | SCM_ASSERT (SCM_NIMP (newpath) && SCM_ROSTRINGP (newpath), newpath, | |
451 | SCM_ARG2, s_link); | |
0f2d19dd | 452 | if (SCM_SUBSTRP (newpath)) |
6afcd3b2 GH |
453 | newpath = scm_makfromstr (SCM_ROCHARS (newpath), |
454 | SCM_ROLENGTH (newpath), 0); | |
0f2d19dd | 455 | SCM_SYSCALL (val = link (SCM_ROCHARS (oldpath), SCM_ROCHARS (newpath))); |
02b754d3 | 456 | if (val != 0) |
3d8d56df | 457 | scm_syserror (s_link); |
02b754d3 | 458 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
459 | } |
460 | ||
461 | ||
462 | ||
3d8d56df | 463 | SCM_PROC (s_rename, "rename-file", 2, 0, 0, scm_rename); |
1cc91f1b | 464 | |
0f2d19dd | 465 | SCM |
3d8d56df | 466 | scm_rename (oldname, newname) |
0f2d19dd JB |
467 | SCM oldname; |
468 | SCM newname; | |
0f2d19dd JB |
469 | { |
470 | int rv; | |
89958ad0 JB |
471 | SCM_ASSERT (SCM_NIMP (oldname) && SCM_ROSTRINGP (oldname), oldname, SCM_ARG1, |
472 | s_rename); | |
473 | SCM_ASSERT (SCM_NIMP (newname) && SCM_ROSTRINGP (newname), newname, SCM_ARG2, | |
474 | s_rename); | |
475 | SCM_COERCE_SUBSTR (oldname); | |
476 | SCM_COERCE_SUBSTR (newname); | |
0f2d19dd | 477 | #ifdef HAVE_RENAME |
89958ad0 | 478 | SCM_SYSCALL (rv = rename (SCM_ROCHARS (oldname), SCM_ROCHARS (newname))); |
0f2d19dd | 479 | #else |
89958ad0 | 480 | SCM_SYSCALL (rv = link (SCM_ROCHARS (oldname), SCM_ROCHARS (newname))); |
02b754d3 | 481 | if (rv == 0) |
0f2d19dd | 482 | { |
89958ad0 | 483 | SCM_SYSCALL (rv = unlink (SCM_ROCHARS (oldname)));; |
02b754d3 | 484 | if (rv != 0) |
0f2d19dd | 485 | /* unlink failed. remove new name */ |
89958ad0 | 486 | SCM_SYSCALL (unlink (SCM_ROCHARS (newname))); |
0f2d19dd | 487 | } |
6afcd3b2 | 488 | #endif |
02b754d3 | 489 | if (rv != 0) |
3d8d56df | 490 | scm_syserror (s_rename); |
02b754d3 | 491 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
492 | } |
493 | ||
494 | ||
3d8d56df | 495 | SCM_PROC(s_delete_file, "delete-file", 1, 0, 0, scm_delete_file); |
1cc91f1b | 496 | |
2f3ed1ba | 497 | SCM |
3d8d56df | 498 | scm_delete_file (str) |
2f3ed1ba | 499 | SCM str; |
2f3ed1ba JB |
500 | { |
501 | int ans; | |
6afcd3b2 GH |
502 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, |
503 | s_delete_file); | |
89958ad0 JB |
504 | SCM_COERCE_SUBSTR (str); |
505 | SCM_SYSCALL (ans = unlink (SCM_ROCHARS (str))); | |
2f3ed1ba | 506 | if (ans != 0) |
3d8d56df | 507 | scm_syserror (s_delete_file); |
2f3ed1ba JB |
508 | return SCM_UNSPECIFIED; |
509 | } | |
510 | ||
6afcd3b2 GH |
511 | SCM_PROC (s_truncate_file, "truncate-file", 2, 0, 0, scm_truncate_file); |
512 | SCM | |
513 | scm_truncate_file (SCM object, SCM size) | |
514 | { | |
515 | int rv; | |
516 | scm_sizet csize; | |
517 | int fdes; | |
518 | ||
78446828 MV |
519 | object = SCM_COERCE_OUTPORT (object); |
520 | ||
6afcd3b2 | 521 | csize = (scm_sizet) scm_num2long (size, (char *) SCM_ARG2, s_truncate_file); |
6afcd3b2 GH |
522 | if (SCM_INUMP (object) || (SCM_NIMP (object) && SCM_OPFPORTP (object))) |
523 | { | |
524 | if (SCM_INUMP (object)) | |
525 | fdes = SCM_INUM (object); | |
526 | else | |
77a76b64 | 527 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 GH |
528 | SCM_SYSCALL (rv = ftruncate (fdes, csize)); |
529 | } | |
530 | else | |
531 | { | |
532 | SCM_ASSERT (SCM_NIMP (object) && SCM_ROSTRINGP (object), | |
533 | object, SCM_ARG1, s_chown); | |
534 | SCM_COERCE_SUBSTR (object); | |
535 | SCM_SYSCALL (rv = truncate (SCM_ROCHARS (object), csize)); | |
536 | } | |
537 | if (rv == -1) | |
538 | scm_syserror (s_truncate_file); | |
6afcd3b2 GH |
539 | return SCM_UNSPECIFIED; |
540 | } | |
0f2d19dd | 541 | |
3d8d56df | 542 | SCM_PROC (s_mkdir, "mkdir", 1, 1, 0, scm_mkdir); |
1cc91f1b | 543 | |
0f2d19dd | 544 | SCM |
3d8d56df | 545 | scm_mkdir (path, mode) |
0f2d19dd JB |
546 | SCM path; |
547 | SCM mode; | |
0f2d19dd JB |
548 | { |
549 | #ifdef HAVE_MKDIR | |
550 | int rv; | |
551 | mode_t mask; | |
89958ad0 JB |
552 | SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, |
553 | s_mkdir); | |
554 | SCM_COERCE_SUBSTR (path); | |
0f2d19dd JB |
555 | if (SCM_UNBNDP (mode)) |
556 | { | |
557 | mask = umask (0); | |
558 | umask (mask); | |
89958ad0 | 559 | SCM_SYSCALL (rv = mkdir (SCM_ROCHARS (path), 0777 ^ mask)); |
0f2d19dd JB |
560 | } |
561 | else | |
562 | { | |
3d8d56df | 563 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_mkdir); |
89958ad0 | 564 | SCM_SYSCALL (rv = mkdir (SCM_ROCHARS (path), SCM_INUM (mode))); |
0f2d19dd | 565 | } |
02b754d3 | 566 | if (rv != 0) |
3d8d56df | 567 | scm_syserror (s_mkdir); |
02b754d3 | 568 | return SCM_UNSPECIFIED; |
0f2d19dd | 569 | #else |
3d8d56df | 570 | scm_sysmissing (s_mkdir); |
02b754d3 GH |
571 | /* not reached. */ |
572 | return SCM_BOOL_F; | |
0f2d19dd JB |
573 | #endif |
574 | } | |
575 | ||
576 | ||
3d8d56df | 577 | SCM_PROC (s_rmdir, "rmdir", 1, 0, 0, scm_rmdir); |
1cc91f1b | 578 | |
0f2d19dd | 579 | SCM |
3d8d56df | 580 | scm_rmdir (path) |
0f2d19dd | 581 | SCM path; |
0f2d19dd JB |
582 | { |
583 | #ifdef HAVE_RMDIR | |
584 | int val; | |
02b754d3 | 585 | |
89958ad0 JB |
586 | SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, |
587 | s_rmdir); | |
588 | SCM_COERCE_SUBSTR (path); | |
589 | SCM_SYSCALL (val = rmdir (SCM_ROCHARS (path))); | |
02b754d3 | 590 | if (val != 0) |
3d8d56df | 591 | scm_syserror (s_rmdir); |
02b754d3 | 592 | return SCM_UNSPECIFIED; |
0f2d19dd | 593 | #else |
3d8d56df | 594 | scm_sysmissing (s_rmdir); |
02b754d3 GH |
595 | /* not reached. */ |
596 | return SCM_BOOL_F; | |
0f2d19dd JB |
597 | #endif |
598 | } | |
599 | ||
600 | \f | |
601 | /* {Examining Directories} | |
602 | */ | |
603 | ||
604 | long scm_tc16_dir; | |
605 | ||
3d8d56df | 606 | SCM_PROC (s_opendir, "opendir", 1, 0, 0, scm_opendir); |
1cc91f1b | 607 | |
0f2d19dd | 608 | SCM |
3d8d56df | 609 | scm_opendir (dirname) |
0f2d19dd | 610 | SCM dirname; |
0f2d19dd JB |
611 | { |
612 | DIR *ds; | |
89958ad0 JB |
613 | SCM_ASSERT (SCM_NIMP (dirname) && SCM_ROSTRINGP (dirname), dirname, SCM_ARG1, |
614 | s_opendir); | |
615 | SCM_COERCE_SUBSTR (dirname); | |
89958ad0 | 616 | SCM_SYSCALL (ds = opendir (SCM_ROCHARS (dirname))); |
02b754d3 | 617 | if (ds == NULL) |
3d8d56df | 618 | scm_syserror (s_opendir); |
23a62151 | 619 | SCM_RETURN_NEWSMOB (scm_tc16_dir | SCM_OPN, ds); |
0f2d19dd JB |
620 | } |
621 | ||
622 | ||
3d8d56df | 623 | SCM_PROC (s_readdir, "readdir", 1, 0, 0, scm_readdir); |
1cc91f1b | 624 | |
0f2d19dd | 625 | SCM |
3d8d56df | 626 | scm_readdir (port) |
0f2d19dd | 627 | SCM port; |
0f2d19dd JB |
628 | { |
629 | struct dirent *rdent; | |
3d8d56df | 630 | SCM_ASSERT (SCM_NIMP (port) && SCM_OPDIRP (port), port, SCM_ARG1, s_readdir); |
0f2d19dd JB |
631 | errno = 0; |
632 | SCM_SYSCALL (rdent = readdir ((DIR *) SCM_CDR (port))); | |
02b754d3 | 633 | if (errno != 0) |
3d8d56df | 634 | scm_syserror (s_readdir); |
02b754d3 GH |
635 | return (rdent ? scm_makfromstr (rdent->d_name, NAMLEN (rdent), 0) |
636 | : SCM_EOF_VAL); | |
0f2d19dd JB |
637 | } |
638 | ||
639 | ||
640 | ||
641 | SCM_PROC (s_rewinddir, "rewinddir", 1, 0, 0, scm_rewinddir); | |
1cc91f1b | 642 | |
0f2d19dd JB |
643 | SCM |
644 | scm_rewinddir (port) | |
645 | SCM port; | |
0f2d19dd JB |
646 | { |
647 | SCM_ASSERT (SCM_NIMP (port) && SCM_OPDIRP (port), port, SCM_ARG1, s_rewinddir); | |
648 | rewinddir ((DIR *) SCM_CDR (port)); | |
649 | return SCM_UNSPECIFIED; | |
650 | } | |
651 | ||
652 | ||
653 | ||
3d8d56df | 654 | SCM_PROC (s_closedir, "closedir", 1, 0, 0, scm_closedir); |
1cc91f1b | 655 | |
0f2d19dd | 656 | SCM |
3d8d56df | 657 | scm_closedir (port) |
0f2d19dd | 658 | SCM port; |
0f2d19dd JB |
659 | { |
660 | int sts; | |
02b754d3 | 661 | |
3d8d56df | 662 | SCM_ASSERT (SCM_NIMP (port) && SCM_DIRP (port), port, SCM_ARG1, s_closedir); |
0f2d19dd JB |
663 | if (SCM_CLOSEDP (port)) |
664 | { | |
02b754d3 | 665 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
666 | } |
667 | SCM_SYSCALL (sts = closedir ((DIR *) SCM_CDR (port))); | |
02b754d3 | 668 | if (sts != 0) |
3d8d56df | 669 | scm_syserror (s_closedir); |
a6c64c3c | 670 | SCM_SETCAR (port, scm_tc16_dir); |
02b754d3 | 671 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
672 | } |
673 | ||
674 | ||
675 | ||
1cc91f1b JB |
676 | |
677 | static int scm_dir_print SCM_P ((SCM sexp, SCM port, scm_print_state *pstate)); | |
678 | ||
0f2d19dd | 679 | static int |
9882ea19 | 680 | scm_dir_print (sexp, port, pstate) |
0f2d19dd JB |
681 | SCM sexp; |
682 | SCM port; | |
9882ea19 | 683 | scm_print_state *pstate; |
0f2d19dd JB |
684 | { |
685 | scm_prinport (sexp, port, "directory"); | |
686 | return 1; | |
687 | } | |
688 | ||
1cc91f1b JB |
689 | |
690 | static scm_sizet scm_dir_free SCM_P ((SCM p)); | |
691 | ||
0f2d19dd JB |
692 | static scm_sizet |
693 | scm_dir_free (p) | |
694 | SCM p; | |
0f2d19dd JB |
695 | { |
696 | if (SCM_OPENP (p)) | |
697 | closedir ((DIR *) SCM_CDR (p)); | |
698 | return 0; | |
699 | } | |
700 | ||
0f2d19dd JB |
701 | \f |
702 | /* {Navigating Directories} | |
703 | */ | |
704 | ||
705 | ||
3d8d56df | 706 | SCM_PROC (s_chdir, "chdir", 1, 0, 0, scm_chdir); |
1cc91f1b | 707 | |
0f2d19dd | 708 | SCM |
3d8d56df | 709 | scm_chdir (str) |
0f2d19dd | 710 | SCM str; |
0f2d19dd JB |
711 | { |
712 | int ans; | |
02b754d3 | 713 | |
89958ad0 JB |
714 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_chdir); |
715 | SCM_COERCE_SUBSTR (str); | |
716 | SCM_SYSCALL (ans = chdir (SCM_ROCHARS (str))); | |
02b754d3 | 717 | if (ans != 0) |
3d8d56df | 718 | scm_syserror (s_chdir); |
02b754d3 | 719 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
720 | } |
721 | ||
722 | ||
723 | ||
3d8d56df | 724 | SCM_PROC (s_getcwd, "getcwd", 0, 0, 0, scm_getcwd); |
1cc91f1b | 725 | |
0f2d19dd | 726 | SCM |
3d8d56df | 727 | scm_getcwd () |
0f2d19dd JB |
728 | { |
729 | #ifdef HAVE_GETCWD | |
730 | char *rv; | |
731 | ||
732 | scm_sizet size = 100; | |
733 | char *wd; | |
734 | SCM result; | |
735 | ||
3d8d56df | 736 | wd = scm_must_malloc (size, s_getcwd); |
0f2d19dd JB |
737 | while ((rv = getcwd (wd, size)) == 0 && errno == ERANGE) |
738 | { | |
739 | scm_must_free (wd); | |
740 | size *= 2; | |
3d8d56df | 741 | wd = scm_must_malloc (size, s_getcwd); |
0f2d19dd | 742 | } |
02b754d3 | 743 | if (rv == 0) |
3d8d56df | 744 | scm_syserror (s_getcwd); |
02b754d3 | 745 | result = scm_makfromstr (wd, strlen (wd), 0); |
0f2d19dd | 746 | scm_must_free (wd); |
0f2d19dd JB |
747 | return result; |
748 | #else | |
3d8d56df | 749 | scm_sysmissing (s_getcwd); |
02b754d3 GH |
750 | /* not reached. */ |
751 | return SCM_BOOL_F; | |
0f2d19dd JB |
752 | #endif |
753 | } | |
754 | ||
755 | \f | |
756 | ||
cafc12ff MD |
757 | SCM_PROC (s_select, "select", 3, 2, 0, scm_select); |
758 | ||
1cc91f1b | 759 | |
cafc12ff MD |
760 | static int |
761 | set_element (SELECT_TYPE *set, SCM element, int arg) | |
a48a89bc | 762 | { |
cafc12ff | 763 | int fd; |
78446828 | 764 | element = SCM_COERCE_OUTPORT (element); |
77a76b64 JB |
765 | if (SCM_NIMP (element) && SCM_OPFPORTP (element)) |
766 | fd = SCM_FPORT_FDES (element); | |
cafc12ff MD |
767 | else { |
768 | SCM_ASSERT (SCM_INUMP (element), element, arg, s_select); | |
769 | fd = SCM_INUM (element); | |
770 | } | |
771 | FD_SET (fd, set); | |
772 | return fd; | |
a48a89bc | 773 | } |
1cc91f1b | 774 | |
cafc12ff MD |
775 | static int |
776 | fill_select_type (SELECT_TYPE *set, SCM list, int arg) | |
0f2d19dd | 777 | { |
cafc12ff | 778 | int max_fd = 0, fd; |
a48a89bc | 779 | if (SCM_NIMP (list) && SCM_VECTORP (list)) |
0f2d19dd | 780 | { |
a48a89bc GH |
781 | int len = SCM_LENGTH (list); |
782 | SCM *ve = SCM_VELTS (list); | |
783 | ||
784 | while (len > 0) | |
785 | { | |
cafc12ff MD |
786 | fd = set_element (set, ve[len - 1], arg); |
787 | if (fd > max_fd) | |
788 | max_fd = fd; | |
a48a89bc GH |
789 | len--; |
790 | } | |
791 | } | |
792 | else | |
793 | { | |
794 | while (list != SCM_EOL) | |
795 | { | |
cafc12ff MD |
796 | fd = set_element (set, SCM_CAR (list), arg); |
797 | if (fd > max_fd) | |
798 | max_fd = fd; | |
a48a89bc GH |
799 | list = SCM_CDR (list); |
800 | } | |
0f2d19dd | 801 | } |
cafc12ff MD |
802 | |
803 | return max_fd; | |
0f2d19dd JB |
804 | } |
805 | ||
a48a89bc GH |
806 | static SCM |
807 | get_element (SELECT_TYPE *set, SCM element, SCM list) | |
808 | { | |
78446828 | 809 | element = SCM_COERCE_OUTPORT (element); |
77a76b64 | 810 | if (SCM_NIMP (element) && SCM_OPFPORTP (element)) |
a48a89bc | 811 | { |
77a76b64 | 812 | if (FD_ISSET (SCM_FPORT_FDES (element), set)) |
a48a89bc GH |
813 | list = scm_cons (element, list); |
814 | } | |
815 | else if (SCM_INUMP (element)) | |
816 | { | |
817 | if (FD_ISSET (SCM_INUM (element), set)) | |
818 | list = scm_cons (element, list); | |
819 | } | |
820 | return list; | |
821 | } | |
1cc91f1b | 822 | |
0f2d19dd | 823 | static SCM |
a48a89bc | 824 | retrieve_select_type (SELECT_TYPE *set, SCM list) |
0f2d19dd | 825 | { |
a48a89bc GH |
826 | SCM answer_list = SCM_EOL; |
827 | ||
828 | if (SCM_NIMP (list) && SCM_VECTORP (list)) | |
0f2d19dd | 829 | { |
a48a89bc GH |
830 | int len = SCM_LENGTH (list); |
831 | SCM *ve = SCM_VELTS (list); | |
832 | ||
833 | while (len > 0) | |
0f2d19dd | 834 | { |
a48a89bc GH |
835 | answer_list = get_element (set, ve[len - 1], answer_list); |
836 | len--; | |
0f2d19dd | 837 | } |
a48a89bc GH |
838 | return scm_vector (answer_list); |
839 | } | |
840 | else | |
841 | { | |
842 | /* list is a list. */ | |
843 | while (list != SCM_EOL) | |
0f2d19dd | 844 | { |
a48a89bc GH |
845 | answer_list = get_element (set, SCM_CAR (list), answer_list); |
846 | list = SCM_CDR (list); | |
0f2d19dd | 847 | } |
a48a89bc | 848 | return answer_list; |
0f2d19dd | 849 | } |
0f2d19dd JB |
850 | } |
851 | ||
852 | ||
0f2d19dd | 853 | SCM |
a48a89bc | 854 | scm_select (reads, writes, excepts, secs, usecs) |
0f2d19dd JB |
855 | SCM reads; |
856 | SCM writes; | |
857 | SCM excepts; | |
858 | SCM secs; | |
a48a89bc | 859 | SCM usecs; |
0f2d19dd JB |
860 | { |
861 | #ifdef HAVE_SELECT | |
862 | struct timeval timeout; | |
863 | struct timeval * time_p; | |
864 | SELECT_TYPE read_set; | |
865 | SELECT_TYPE write_set; | |
866 | SELECT_TYPE except_set; | |
cafc12ff | 867 | int max_fd, fd; |
0f2d19dd JB |
868 | int sreturn; |
869 | ||
a48a89bc GH |
870 | #define assert_set(x, arg) \ |
871 | SCM_ASSERT (scm_ilength (x) > -1 || (SCM_NIMP (x) && SCM_VECTORP (x)), \ | |
872 | x, arg, s_select) | |
873 | assert_set (reads, SCM_ARG1); | |
874 | assert_set (writes, SCM_ARG2); | |
875 | assert_set (excepts, SCM_ARG3); | |
876 | #undef assert_set | |
0f2d19dd JB |
877 | |
878 | FD_ZERO (&read_set); | |
879 | FD_ZERO (&write_set); | |
880 | FD_ZERO (&except_set); | |
881 | ||
cafc12ff MD |
882 | max_fd = fill_select_type (&read_set, reads, SCM_ARG1); |
883 | fd = fill_select_type (&write_set, writes, SCM_ARG2); | |
884 | if (fd > max_fd) | |
885 | max_fd = fd; | |
886 | fd = fill_select_type (&except_set, excepts, SCM_ARG3); | |
887 | if (fd > max_fd) | |
888 | max_fd = fd; | |
0f2d19dd | 889 | |
a48a89bc | 890 | if (SCM_UNBNDP (secs) || SCM_FALSEP (secs)) |
0f2d19dd JB |
891 | time_p = 0; |
892 | else | |
893 | { | |
a48a89bc GH |
894 | if (SCM_INUMP (secs)) |
895 | { | |
896 | timeout.tv_sec = SCM_INUM (secs); | |
897 | if (SCM_UNBNDP (usecs)) | |
898 | timeout.tv_usec = 0; | |
899 | else | |
900 | { | |
901 | SCM_ASSERT (SCM_INUMP (usecs), usecs, SCM_ARG5, s_select); | |
902 | ||
903 | timeout.tv_usec = SCM_INUM (usecs); | |
904 | } | |
905 | } | |
0f2d19dd | 906 | else |
a48a89bc GH |
907 | { |
908 | double fl = scm_num2dbl (secs, s_select); | |
909 | ||
910 | if (!SCM_UNBNDP (usecs)) | |
911 | scm_wrong_type_arg (s_select, 4, secs); | |
912 | if (fl > LONG_MAX) | |
913 | scm_out_of_range (s_select, secs); | |
914 | timeout.tv_sec = (long) fl; | |
915 | timeout.tv_usec = (long) ((fl - timeout.tv_sec) * 1000000); | |
916 | } | |
0f2d19dd JB |
917 | time_p = &timeout; |
918 | } | |
919 | ||
44e8413c | 920 | #ifdef GUILE_ISELECT |
cafc12ff | 921 | sreturn = scm_internal_select (max_fd + 1, |
44e8413c MD |
922 | &read_set, &write_set, &except_set, time_p); |
923 | #else | |
cafc12ff | 924 | sreturn = select (max_fd + 1, |
0f2d19dd | 925 | &read_set, &write_set, &except_set, time_p); |
44e8413c | 926 | #endif |
0f2d19dd | 927 | if (sreturn < 0) |
3d8d56df | 928 | scm_syserror (s_select); |
02b754d3 GH |
929 | return scm_listify (retrieve_select_type (&read_set, reads), |
930 | retrieve_select_type (&write_set, writes), | |
931 | retrieve_select_type (&except_set, excepts), | |
932 | SCM_UNDEFINED); | |
0f2d19dd | 933 | #else |
3d8d56df | 934 | scm_sysmissing (s_select); |
02b754d3 GH |
935 | /* not reached. */ |
936 | return SCM_BOOL_F; | |
0f2d19dd JB |
937 | #endif |
938 | } | |
939 | ||
940 | \f | |
4c1feaa5 | 941 | |
6afcd3b2 | 942 | SCM_PROC (s_fcntl, "fcntl", 2, 0, 1, scm_fcntl); |
4c1feaa5 | 943 | SCM |
6afcd3b2 | 944 | scm_fcntl (SCM object, SCM cmd, SCM value) |
4c1feaa5 JB |
945 | { |
946 | int rv; | |
6afcd3b2 GH |
947 | int fdes; |
948 | int ivalue; | |
4c1feaa5 | 949 | |
78446828 MV |
950 | object = SCM_COERCE_OUTPORT (object); |
951 | ||
4c1feaa5 | 952 | SCM_ASSERT (SCM_INUMP (cmd), cmd, SCM_ARG2, s_fcntl); |
6afcd3b2 | 953 | if (SCM_NIMP (object) && SCM_OPFPORTP (object)) |
77a76b64 | 954 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 GH |
955 | else |
956 | { | |
957 | SCM_ASSERT (SCM_INUMP (object), object, SCM_ARG1, s_fcntl); | |
958 | fdes = SCM_INUM (object); | |
959 | } | |
960 | if (SCM_NULLP (value)) | |
961 | ivalue = 0; | |
962 | else | |
963 | { | |
964 | SCM_ASSERT (SCM_INUMP (SCM_CAR (value)), value, SCM_ARG3, s_fcntl); | |
965 | ivalue = SCM_INUM (SCM_CAR (value)); | |
966 | } | |
77a76b64 JB |
967 | SCM_SYSCALL (rv = fcntl (fdes, SCM_INUM (cmd), ivalue)); |
968 | if (rv == -1) | |
4c1feaa5 JB |
969 | scm_syserror (s_fcntl); |
970 | return SCM_MAKINUM (rv); | |
971 | } | |
6afcd3b2 GH |
972 | |
973 | SCM_PROC (s_fsync, "fsync", 1, 0, 0, scm_fsync); | |
974 | SCM | |
975 | scm_fsync (SCM object) | |
976 | { | |
977 | int fdes; | |
978 | ||
78446828 MV |
979 | object = SCM_COERCE_OUTPORT (object); |
980 | ||
6afcd3b2 GH |
981 | if (SCM_NIMP (object) && SCM_OPFPORTP (object)) |
982 | { | |
77a76b64 JB |
983 | scm_fflush (object); |
984 | fdes = SCM_FPORT_FDES (object); | |
6afcd3b2 GH |
985 | } |
986 | else | |
987 | { | |
988 | SCM_ASSERT (SCM_INUMP (object), object, SCM_ARG1, s_fsync); | |
989 | fdes = SCM_INUM (object); | |
990 | } | |
991 | if (fsync (fdes) == -1) | |
992 | scm_syserror (s_fsync); | |
6afcd3b2 GH |
993 | return SCM_UNSPECIFIED; |
994 | } | |
0f2d19dd | 995 | |
3d8d56df | 996 | SCM_PROC (s_symlink, "symlink", 2, 0, 0, scm_symlink); |
1cc91f1b | 997 | |
0f2d19dd | 998 | SCM |
3d8d56df | 999 | scm_symlink(oldpath, newpath) |
0f2d19dd JB |
1000 | SCM oldpath; |
1001 | SCM newpath; | |
0f2d19dd JB |
1002 | { |
1003 | #ifdef HAVE_SYMLINK | |
1004 | int val; | |
02b754d3 | 1005 | |
89958ad0 JB |
1006 | SCM_ASSERT (SCM_NIMP (oldpath) && SCM_ROSTRINGP (oldpath), oldpath, SCM_ARG1, |
1007 | s_symlink); | |
1008 | SCM_ASSERT (SCM_NIMP (newpath) && SCM_ROSTRINGP (newpath), newpath, SCM_ARG2, | |
1009 | s_symlink); | |
1010 | SCM_COERCE_SUBSTR (oldpath); | |
1011 | SCM_COERCE_SUBSTR (newpath); | |
1012 | SCM_SYSCALL (val = symlink(SCM_ROCHARS(oldpath), SCM_ROCHARS(newpath))); | |
02b754d3 | 1013 | if (val != 0) |
3d8d56df | 1014 | scm_syserror (s_symlink); |
02b754d3 | 1015 | return SCM_UNSPECIFIED; |
0f2d19dd | 1016 | #else |
3d8d56df | 1017 | scm_sysmissing (s_symlink); |
02b754d3 GH |
1018 | /* not reached. */ |
1019 | return SCM_BOOL_F; | |
0f2d19dd JB |
1020 | #endif |
1021 | } | |
1022 | ||
1023 | ||
3d8d56df | 1024 | SCM_PROC (s_readlink, "readlink", 1, 0, 0, scm_readlink); |
1cc91f1b | 1025 | |
0f2d19dd | 1026 | SCM |
3d8d56df | 1027 | scm_readlink(path) |
0f2d19dd | 1028 | SCM path; |
0f2d19dd JB |
1029 | { |
1030 | #ifdef HAVE_READLINK | |
6a738a25 JB |
1031 | int rv; |
1032 | int size = 100; | |
0f2d19dd JB |
1033 | char *buf; |
1034 | SCM result; | |
89958ad0 JB |
1035 | SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, (char *) SCM_ARG1, |
1036 | s_readlink); | |
1037 | SCM_COERCE_SUBSTR (path); | |
3d8d56df | 1038 | buf = scm_must_malloc (size, s_readlink); |
6a738a25 | 1039 | while ((rv = readlink (SCM_ROCHARS (path), buf, size)) == size) |
0f2d19dd JB |
1040 | { |
1041 | scm_must_free (buf); | |
1042 | size *= 2; | |
3d8d56df | 1043 | buf = scm_must_malloc (size, s_readlink); |
0f2d19dd | 1044 | } |
02b754d3 | 1045 | if (rv == -1) |
3d8d56df | 1046 | scm_syserror (s_readlink); |
02b754d3 | 1047 | result = scm_makfromstr (buf, rv, 0); |
0f2d19dd | 1048 | scm_must_free (buf); |
0f2d19dd JB |
1049 | return result; |
1050 | #else | |
3d8d56df | 1051 | scm_sysmissing (s_readlink); |
02b754d3 GH |
1052 | /* not reached. */ |
1053 | return SCM_BOOL_F; | |
0f2d19dd JB |
1054 | #endif |
1055 | } | |
1056 | ||
1057 | ||
3d8d56df | 1058 | SCM_PROC (s_lstat, "lstat", 1, 0, 0, scm_lstat); |
1cc91f1b | 1059 | |
0f2d19dd | 1060 | SCM |
3d8d56df | 1061 | scm_lstat(str) |
0f2d19dd | 1062 | SCM str; |
0f2d19dd | 1063 | { |
02b754d3 GH |
1064 | #ifdef HAVE_LSTAT |
1065 | int rv; | |
0f2d19dd | 1066 | struct stat stat_temp; |
02b754d3 | 1067 | |
89958ad0 JB |
1068 | SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, (char *) SCM_ARG1, |
1069 | s_lstat); | |
1070 | SCM_COERCE_SUBSTR (str); | |
1071 | SCM_SYSCALL(rv = lstat(SCM_ROCHARS(str), &stat_temp)); | |
02b754d3 | 1072 | if (rv != 0) |
3d8d56df GH |
1073 | { |
1074 | int en = errno; | |
1075 | ||
1076 | scm_syserror_msg (s_lstat, "%s: %S", | |
1077 | scm_listify (scm_makfrom0str (strerror (errno)), | |
1078 | str, | |
1079 | SCM_UNDEFINED), | |
1080 | en); | |
1081 | } | |
02b754d3 | 1082 | return scm_stat2scm(&stat_temp); |
0f2d19dd | 1083 | #else |
3d8d56df | 1084 | scm_sysmissing (s_lstat); |
02b754d3 GH |
1085 | /* not reached. */ |
1086 | return SCM_BOOL_F; | |
0f2d19dd JB |
1087 | #endif |
1088 | } | |
1089 | ||
1090 | ||
3d8d56df | 1091 | SCM_PROC (s_copy_file, "copy-file", 2, 0, 0, scm_copy_file); |
1cc91f1b | 1092 | |
0f2d19dd | 1093 | SCM |
3d8d56df | 1094 | scm_copy_file (oldfile, newfile) |
0f2d19dd JB |
1095 | SCM oldfile; |
1096 | SCM newfile; | |
0f2d19dd JB |
1097 | { |
1098 | int oldfd, newfd; | |
1099 | int n; | |
77a76b64 | 1100 | char buf[BUFSIZ]; |
0f2d19dd JB |
1101 | struct stat oldstat; |
1102 | ||
3d8d56df | 1103 | SCM_ASSERT (SCM_NIMP (oldfile) && SCM_ROSTRINGP (oldfile), oldfile, SCM_ARG1, s_copy_file); |
0f2d19dd JB |
1104 | if (SCM_SUBSTRP (oldfile)) |
1105 | oldfile = scm_makfromstr (SCM_ROCHARS (oldfile), SCM_ROLENGTH (oldfile), 0); | |
3d8d56df | 1106 | SCM_ASSERT (SCM_NIMP (newfile) && SCM_ROSTRINGP (newfile), newfile, SCM_ARG2, s_copy_file); |
0f2d19dd JB |
1107 | if (SCM_SUBSTRP (newfile)) |
1108 | newfile = scm_makfromstr (SCM_ROCHARS (newfile), SCM_ROLENGTH (newfile), 0); | |
1109 | if (stat (SCM_ROCHARS (oldfile), &oldstat) == -1) | |
3d8d56df | 1110 | scm_syserror (s_copy_file); |
0f2d19dd JB |
1111 | oldfd = open (SCM_ROCHARS (oldfile), O_RDONLY); |
1112 | if (oldfd == -1) | |
3d8d56df | 1113 | scm_syserror (s_copy_file); |
02b754d3 GH |
1114 | |
1115 | /* use POSIX flags instead of 07777?. */ | |
0f2d19dd JB |
1116 | newfd = open (SCM_ROCHARS (newfile), O_WRONLY | O_CREAT | O_TRUNC, |
1117 | oldstat.st_mode & 07777); | |
1118 | if (newfd == -1) | |
3d8d56df | 1119 | scm_syserror (s_copy_file); |
02b754d3 | 1120 | |
0f2d19dd JB |
1121 | while ((n = read (oldfd, buf, sizeof buf)) > 0) |
1122 | if (write (newfd, buf, n) != n) | |
1123 | { | |
1124 | close (oldfd); | |
1125 | close (newfd); | |
3d8d56df | 1126 | scm_syserror (s_copy_file); |
0f2d19dd JB |
1127 | } |
1128 | close (oldfd); | |
1129 | if (close (newfd) == -1) | |
3d8d56df | 1130 | scm_syserror (s_copy_file); |
02b754d3 | 1131 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
1132 | } |
1133 | ||
1134 | \f | |
6a738a25 JB |
1135 | /* Filename manipulation */ |
1136 | ||
1137 | SCM scm_dot_string; | |
1138 | ||
1139 | SCM_PROC (s_dirname, "dirname", 1, 0, 0, scm_dirname); | |
1140 | ||
1141 | SCM | |
1142 | scm_dirname (SCM filename) | |
1143 | { | |
1144 | char *s; | |
1145 | int i, len; | |
1146 | SCM_ASSERT (SCM_NIMP (filename) && SCM_ROSTRINGP (filename), | |
1147 | filename, | |
1148 | SCM_ARG1, | |
1149 | s_dirname); | |
1150 | s = SCM_ROCHARS (filename); | |
1151 | len = SCM_LENGTH (filename); | |
1152 | i = len - 1; | |
1153 | while (i >= 0 && s[i] == '/') --i; | |
1154 | while (i >= 0 && s[i] != '/') --i; | |
1155 | while (i >= 0 && s[i] == '/') --i; | |
1156 | if (i < 0) | |
1157 | { | |
1158 | if (len > 0 && s[0] == '/') | |
1159 | return scm_make_shared_substring (filename, SCM_INUM0, SCM_MAKINUM (1)); | |
1160 | else | |
1161 | return scm_dot_string; | |
1162 | } | |
1163 | else | |
1164 | return scm_make_shared_substring (filename, SCM_INUM0, SCM_MAKINUM (i + 1)); | |
1165 | } | |
1166 | ||
1167 | SCM_PROC (s_basename, "basename", 1, 1, 0, scm_basename); | |
1168 | ||
1169 | SCM | |
1170 | scm_basename (SCM filename, SCM suffix) | |
1171 | { | |
1172 | char *f, *s = 0; | |
1173 | int i, j, len, end; | |
1174 | SCM_ASSERT (SCM_NIMP (filename) && SCM_ROSTRINGP (filename), | |
1175 | filename, | |
1176 | SCM_ARG1, | |
1177 | s_basename); | |
1178 | SCM_ASSERT (SCM_UNBNDP (suffix) | |
1179 | || (SCM_NIMP (suffix) && SCM_ROSTRINGP (suffix)), | |
1180 | suffix, | |
1181 | SCM_ARG2, | |
1182 | s_basename); | |
1183 | f = SCM_ROCHARS (filename); | |
1184 | if (SCM_UNBNDP (suffix)) | |
1185 | j = -1; | |
1186 | else | |
1187 | { | |
1188 | s = SCM_ROCHARS (suffix); | |
1189 | j = SCM_LENGTH (suffix) - 1; | |
1190 | } | |
1191 | len = SCM_LENGTH (filename); | |
1192 | i = len - 1; | |
1193 | while (i >= 0 && f[i] == '/') --i; | |
1194 | end = i; | |
1195 | while (i >= 0 && j >= 0 && f[i] == s[j]) --i, --j; | |
1196 | if (j == -1) | |
1197 | end = i; | |
1198 | while (i >= 0 && f[i] != '/') --i; | |
1199 | if (i == end) | |
1200 | { | |
1201 | if (len > 0 && f[0] == '/') | |
1202 | return scm_make_shared_substring (filename, SCM_INUM0, SCM_MAKINUM (1)); | |
1203 | else | |
1204 | return scm_dot_string; | |
1205 | } | |
1206 | else | |
1207 | return scm_make_shared_substring (filename, | |
1208 | SCM_MAKINUM (i + 1), | |
1209 | SCM_MAKINUM (end + 1)); | |
1210 | } | |
1211 | ||
1212 | ||
1213 | ||
1214 | \f | |
1cc91f1b | 1215 | |
0f2d19dd JB |
1216 | void |
1217 | scm_init_filesys () | |
0f2d19dd | 1218 | { |
52f4f4d6 | 1219 | scm_add_feature ("i/o-extensions"); |
0f2d19dd | 1220 | |
23a62151 MD |
1221 | scm_tc16_dir = scm_make_smob_type_mfpe ("directory", 0, |
1222 | NULL, scm_dir_free,scm_dir_print, NULL); | |
0f2d19dd | 1223 | |
a163dda9 MD |
1224 | scm_dot_string = scm_permanent_object (scm_makfrom0str (".")); |
1225 | ||
3d8d56df GH |
1226 | #ifdef O_RDONLY |
1227 | scm_sysintern ("O_RDONLY", scm_long2num (O_RDONLY)); | |
1228 | #endif | |
1229 | #ifdef O_WRONLY | |
1230 | scm_sysintern ("O_WRONLY", scm_long2num (O_WRONLY)); | |
1231 | #endif | |
1232 | #ifdef O_RDWR | |
1233 | scm_sysintern ("O_RDWR", scm_long2num (O_RDWR)); | |
1234 | #endif | |
1235 | #ifdef O_CREAT | |
1236 | scm_sysintern ("O_CREAT", scm_long2num (O_CREAT)); | |
1237 | #endif | |
1238 | #ifdef O_EXCL | |
1239 | scm_sysintern ("O_EXCL", scm_long2num (O_EXCL)); | |
1240 | #endif | |
1241 | #ifdef O_NOCTTY | |
1242 | scm_sysintern ("O_NOCTTY", scm_long2num (O_NOCTTY)); | |
1243 | #endif | |
1244 | #ifdef O_TRUNC | |
1245 | scm_sysintern ("O_TRUNC", scm_long2num (O_TRUNC)); | |
1246 | #endif | |
1247 | #ifdef O_APPEND | |
1248 | scm_sysintern ("O_APPEND", scm_long2num (O_APPEND)); | |
1249 | #endif | |
6afcd3b2 | 1250 | #ifdef O_NONBLOCK |
3d8d56df GH |
1251 | scm_sysintern ("O_NONBLOCK", scm_long2num (O_NONBLOCK)); |
1252 | #endif | |
1253 | #ifdef O_NDELAY | |
1254 | scm_sysintern ("O_NDELAY", scm_long2num (O_NDELAY)); | |
1255 | #endif | |
1256 | #ifdef O_SYNC | |
1257 | scm_sysintern ("O_SYNC", scm_long2num (O_SYNC)); | |
1258 | #endif | |
1259 | ||
4c1feaa5 JB |
1260 | #ifdef F_DUPFD |
1261 | scm_sysintern ("F_DUPFD", scm_long2num (F_DUPFD)); | |
1262 | #endif | |
1263 | #ifdef F_GETFD | |
1264 | scm_sysintern ("F_GETFD", scm_long2num (F_GETFD)); | |
1265 | #endif | |
1266 | #ifdef F_SETFD | |
1267 | scm_sysintern ("F_SETFD", scm_long2num (F_SETFD)); | |
1268 | #endif | |
1269 | #ifdef F_GETFL | |
1270 | scm_sysintern ("F_GETFL", scm_long2num (F_GETFL)); | |
1271 | #endif | |
1272 | #ifdef F_SETFL | |
1273 | scm_sysintern ("F_SETFL", scm_long2num (F_SETFL)); | |
1274 | #endif | |
1275 | #ifdef F_GETOWN | |
1276 | scm_sysintern ("F_GETOWN", scm_long2num (F_GETOWN)); | |
1277 | #endif | |
1278 | #ifdef F_SETOWN | |
1279 | scm_sysintern ("F_SETOWN", scm_long2num (F_SETOWN)); | |
1280 | #endif | |
1281 | #ifdef FD_CLOEXEC | |
1282 | scm_sysintern ("FD_CLOEXEC", scm_long2num (FD_CLOEXEC)); | |
1283 | #endif | |
3d8d56df | 1284 | |
0f2d19dd JB |
1285 | #include "filesys.x" |
1286 | } |