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0f2d19dd JB |
1 | /* Copyright (C) 1996 Free Software Foundation, Inc. |
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 | |
15 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
16 | * | |
17 | * As a special exception, the Free Software Foundation gives permission | |
18 | * for additional uses of the text contained in its release of GUILE. | |
19 | * | |
20 | * The exception is that, if you link the GUILE library with other files | |
21 | * to produce an executable, this does not by itself cause the | |
22 | * resulting executable to be covered by the GNU General Public License. | |
23 | * Your use of that executable is in no way restricted on account of | |
24 | * linking the GUILE library code into it. | |
25 | * | |
26 | * This exception does not however invalidate any other reasons why | |
27 | * the executable file might be covered by the GNU General Public License. | |
28 | * | |
29 | * This exception applies only to the code released by the | |
30 | * Free Software Foundation under the name GUILE. If you copy | |
31 | * code from other Free Software Foundation releases into a copy of | |
32 | * GUILE, as the General Public License permits, the exception does | |
33 | * not apply to the code that you add in this way. To avoid misleading | |
34 | * anyone as to the status of such modified files, you must delete | |
35 | * this exception notice from them. | |
36 | * | |
37 | * If you write modifications of your own for GUILE, it is your choice | |
38 | * whether to permit this exception to apply to your modifications. | |
39 | * If you do not wish that, delete this exception notice. | |
40 | */ | |
41 | \f | |
42 | #include "_scm.h" | |
20e6290e JB |
43 | #include "genio.h" |
44 | #include "smob.h" | |
52f4f4d6 | 45 | #include "feature.h" |
0f2d19dd | 46 | |
20e6290e | 47 | #include "filesys.h" |
0f2d19dd JB |
48 | \f |
49 | #ifdef TIME_WITH_SYS_TIME | |
50 | # include <sys/time.h> | |
51 | # include <time.h> | |
52 | #else | |
53 | # if HAVE_SYS_TIME_H | |
54 | # include <sys/time.h> | |
55 | # else | |
56 | # include <time.h> | |
57 | # endif | |
58 | #endif | |
59 | ||
60 | #ifdef HAVE_UNISTD_H | |
61 | #include <unistd.h> | |
62 | #endif | |
63 | ||
1f9e2226 JB |
64 | #ifdef HAVE_LIBC_H |
65 | #include <libc.h> | |
66 | #endif | |
67 | ||
0f2d19dd JB |
68 | #ifdef HAVE_SYS_SELECT_H |
69 | #include <sys/select.h> | |
70 | #endif | |
71 | ||
1f9e2226 JB |
72 | #ifdef HAVE_STRING_H |
73 | #include <string.h> | |
74 | #endif | |
75 | ||
8cc71382 | 76 | #include <sys/types.h> |
0f2d19dd JB |
77 | #include <sys/stat.h> |
78 | #include <fcntl.h> | |
79 | ||
80 | #include <pwd.h> | |
81 | ||
82 | ||
83 | #ifdef FD_SET | |
84 | ||
85 | #define SELECT_TYPE fd_set | |
86 | #define SELECT_SET_SIZE FD_SETSIZE | |
87 | ||
88 | #else /* no FD_SET */ | |
89 | ||
90 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
91 | #define SELECT_SET_SIZE 32 | |
92 | #define SELECT_TYPE int | |
93 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
94 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
95 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
96 | #define FD_ZERO(p) (*(p) = 0) | |
97 | ||
98 | #endif /* no FD_SET */ | |
99 | ||
100 | #if HAVE_DIRENT_H | |
101 | # include <dirent.h> | |
102 | # define NAMLEN(dirent) strlen((dirent)->d_name) | |
103 | #else | |
104 | # define dirent direct | |
105 | # define NAMLEN(dirent) (dirent)->d_namlen | |
106 | # if HAVE_SYS_NDIR_H | |
107 | # include <sys/ndir.h> | |
108 | # endif | |
109 | # if HAVE_SYS_DIR_H | |
110 | # include <sys/dir.h> | |
111 | # endif | |
112 | # if HAVE_NDIR_H | |
113 | # include <ndir.h> | |
114 | # endif | |
115 | #endif | |
116 | ||
117 | \f | |
118 | ||
119 | #ifdef O_CREAT | |
120 | SCM_CONST_LONG (scm_O_CREAT, "O_CREAT", O_CREAT); | |
121 | #endif | |
122 | ||
123 | #ifdef O_EXCL | |
124 | SCM_CONST_LONG (scm_O_EXCL, "O_EXCL", O_EXCL); | |
125 | #endif | |
126 | ||
127 | #ifdef O_NOCTTY | |
128 | SCM_CONST_LONG (scm_O_NOCTTY, "O_NOCTTY", O_NOCTTY); | |
129 | #endif | |
130 | ||
131 | #ifdef O_TRUNC | |
132 | SCM_CONST_LONG (scm_O_TRUNC, "O_TRUNC", O_TRUNC); | |
133 | #endif | |
134 | ||
135 | #ifdef O_APPEND | |
136 | SCM_CONST_LONG (scm_O_APPEND, "O_APPEND", O_APPEND); | |
137 | #endif | |
138 | ||
139 | #ifdef O_NONBLOCK | |
140 | SCM_CONST_LONG (scm_O_NONBLOCK, "O_NONBLOCK", O_NONBLOCK); | |
141 | #endif | |
142 | ||
143 | #ifdef O_NDELAY | |
144 | SCM_CONST_LONG (scm_O_NDELAY, "O_NDELAY", O_NDELAY); | |
145 | #endif | |
146 | ||
147 | #ifdef O_SYNC | |
148 | SCM_CONST_LONG (scm_O_SYNC, "O_SYNC", O_SYNC); | |
149 | #endif | |
150 | ||
151 | ||
152 | ||
153 | \f | |
154 | ||
155 | /* {Permissions} | |
156 | */ | |
157 | ||
02b754d3 | 158 | SCM_PROC (s_sys_chown, "chown", 3, 0, 0, scm_sys_chown); |
1cc91f1b | 159 | |
0f2d19dd JB |
160 | SCM |
161 | scm_sys_chown (path, owner, group) | |
162 | SCM path; | |
163 | SCM owner; | |
164 | SCM group; | |
0f2d19dd JB |
165 | { |
166 | int val; | |
02b754d3 | 167 | |
0f2d19dd JB |
168 | SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, s_sys_chown); |
169 | if (SCM_SUBSTRP (path)) | |
170 | path = scm_makfromstr (SCM_ROCHARS (path), SCM_ROLENGTH (path), 0); | |
171 | SCM_ASSERT (SCM_INUMP (owner), owner, SCM_ARG2, s_sys_chown); | |
172 | SCM_ASSERT (SCM_INUMP (group), group, SCM_ARG3, s_sys_chown); | |
02b754d3 GH |
173 | SCM_SYSCALL (val = chown (SCM_ROCHARS (path), |
174 | SCM_INUM (owner), SCM_INUM (group))); | |
175 | if (val != 0) | |
52859adf | 176 | scm_syserror (s_sys_chown); |
02b754d3 | 177 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
178 | } |
179 | ||
180 | ||
02b754d3 | 181 | SCM_PROC (s_sys_chmod, "chmod", 2, 0, 0, scm_sys_chmod); |
1cc91f1b | 182 | |
0f2d19dd JB |
183 | SCM |
184 | scm_sys_chmod (port_or_path, mode) | |
185 | SCM port_or_path; | |
186 | SCM mode; | |
0f2d19dd JB |
187 | { |
188 | int rv; | |
189 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_sys_chmod); | |
190 | SCM_ASSERT (SCM_NIMP (port_or_path), port_or_path, SCM_ARG1, s_sys_chmod); | |
191 | if (SCM_STRINGP (port_or_path)) | |
192 | SCM_SYSCALL (rv = chmod (SCM_CHARS (port_or_path), SCM_INUM (mode))); | |
193 | else | |
194 | { | |
195 | SCM_ASSERT (SCM_OPFPORTP (port_or_path), port_or_path, SCM_ARG1, s_sys_chmod); | |
196 | rv = fileno ((FILE *)SCM_STREAM (port_or_path)); | |
197 | if (rv != -1) | |
198 | SCM_SYSCALL (rv = fchmod (rv, SCM_INUM (mode))); | |
199 | } | |
02b754d3 | 200 | if (rv != 0) |
52859adf | 201 | scm_syserror (s_sys_chmod); |
02b754d3 | 202 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
203 | } |
204 | ||
205 | SCM_PROC (s_umask, "umask", 0, 1, 0, scm_umask); | |
1cc91f1b | 206 | |
0f2d19dd JB |
207 | SCM |
208 | scm_umask (mode) | |
209 | SCM mode; | |
0f2d19dd JB |
210 | { |
211 | mode_t mask; | |
212 | if (SCM_UNBNDP (mode)) | |
213 | { | |
214 | mask = umask (0); | |
215 | umask (mask); | |
216 | } | |
217 | else | |
218 | { | |
219 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG1, s_umask); | |
220 | mask = umask (SCM_INUM (mode)); | |
221 | } | |
222 | return SCM_MAKINUM (mask); | |
223 | } | |
224 | ||
225 | \f | |
226 | /* {File Descriptors} | |
227 | */ | |
228 | long scm_tc16_fd; | |
229 | ||
1cc91f1b JB |
230 | |
231 | static int scm_fd_print SCM_P ((SCM sexp, SCM port, scm_print_state *pstate)); | |
232 | ||
0f2d19dd | 233 | static int |
9882ea19 | 234 | scm_fd_print (sexp, port, pstate) |
0f2d19dd JB |
235 | SCM sexp; |
236 | SCM port; | |
9882ea19 | 237 | scm_print_state *pstate; |
0f2d19dd JB |
238 | { |
239 | scm_gen_puts (scm_regular_string, "#<fd ", port); | |
240 | scm_intprint (SCM_CDR (sexp), 10, port); | |
241 | scm_gen_puts (scm_regular_string, ">", port); | |
242 | return 1; | |
243 | } | |
244 | ||
1cc91f1b JB |
245 | |
246 | static scm_sizet scm_fd_free SCM_P ((SCM p)); | |
247 | ||
0f2d19dd JB |
248 | static scm_sizet |
249 | scm_fd_free (p) | |
250 | SCM p; | |
0f2d19dd JB |
251 | { |
252 | SCM flags; | |
253 | ||
254 | flags = SCM_FD_FLAGS (p); | |
255 | if ((scm_close_fd_on_gc & flags) && (scm_fd_is_open & flags)) | |
256 | { | |
257 | SCM_SYSCALL( close (SCM_FD (p)) ); | |
258 | } | |
259 | return 0; | |
260 | } | |
261 | ||
262 | static scm_smobfuns fd_smob = {scm_mark0, scm_fd_free, scm_fd_print, 0}; | |
263 | ||
1cc91f1b | 264 | |
0f2d19dd JB |
265 | SCM |
266 | scm_intern_fd (fd, flags) | |
267 | int fd; | |
268 | int flags; | |
0f2d19dd JB |
269 | { |
270 | SCM it; | |
271 | SCM_NEWCELL (it); | |
272 | SCM_REDEFER_INTS; | |
273 | SCM_SETCAR (it, (scm_tc16_fd | (flags << 16))); | |
274 | SCM_SETCDR (it, (SCM)fd); | |
275 | SCM_REALLOW_INTS; | |
276 | return it; | |
277 | } | |
278 | ||
279 | \f | |
280 | ||
02b754d3 | 281 | SCM_PROC (s_sys_open, "open", 3, 0, 0, scm_sys_open); |
1cc91f1b | 282 | |
0f2d19dd JB |
283 | SCM |
284 | scm_sys_open (path, flags, mode) | |
285 | SCM path; | |
286 | SCM flags; | |
287 | SCM mode; | |
0f2d19dd JB |
288 | { |
289 | int fd; | |
290 | SCM sfd; | |
291 | ||
292 | SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, s_sys_open); | |
293 | SCM_ASSERT (SCM_INUMP (flags), flags, SCM_ARG2, s_sys_open); | |
294 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG3, s_sys_open); | |
295 | ||
296 | if (SCM_SUBSTRP (path)) | |
297 | path = scm_makfromstr (SCM_ROCHARS (path), SCM_ROLENGTH (path), 0); | |
298 | ||
299 | SCM_DEFER_INTS; | |
300 | SCM_SYSCALL ( fd = open (SCM_ROCHARS (path), SCM_INUM (flags), SCM_INUM (mode)) ); | |
301 | if (fd == -1) | |
52859adf | 302 | scm_syserror (s_sys_open); |
02b754d3 | 303 | sfd = scm_intern_fd (fd, scm_fd_is_open | scm_close_fd_on_gc); |
0f2d19dd JB |
304 | SCM_ALLOW_INTS; |
305 | ||
306 | return scm_return_first (sfd, path); | |
307 | } | |
308 | ||
309 | ||
02b754d3 | 310 | SCM_PROC (s_sys_create, "create", 2, 0, 0, scm_sys_create); |
1cc91f1b | 311 | |
0f2d19dd JB |
312 | SCM |
313 | scm_sys_create (path, mode) | |
314 | SCM path; | |
315 | SCM mode; | |
0f2d19dd JB |
316 | { |
317 | int fd; | |
318 | SCM sfd; | |
319 | ||
320 | SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, s_sys_create); | |
321 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_sys_create); | |
322 | ||
323 | if (SCM_SUBSTRP (path)) | |
324 | path = scm_makfromstr (SCM_ROCHARS (path), SCM_ROLENGTH (path), 0); | |
325 | ||
326 | SCM_DEFER_INTS; | |
327 | SCM_SYSCALL ( fd = creat (SCM_ROCHARS (path), SCM_INUM (mode)) ); | |
328 | if (fd == -1) | |
52859adf | 329 | scm_syserror (s_sys_create); |
02b754d3 | 330 | sfd = scm_intern_fd (fd, scm_fd_is_open | scm_close_fd_on_gc); |
0f2d19dd JB |
331 | SCM_ALLOW_INTS; |
332 | ||
333 | return scm_return_first (sfd, path); | |
334 | } | |
335 | ||
336 | ||
02b754d3 | 337 | SCM_PROC (s_sys_close, "close", 1, 0, 0, scm_sys_close); |
1cc91f1b | 338 | |
0f2d19dd JB |
339 | SCM |
340 | scm_sys_close (sfd) | |
341 | SCM sfd; | |
0f2d19dd JB |
342 | { |
343 | int fd; | |
344 | int got; | |
345 | SCM_ASSERT (SCM_NIMP (sfd) && SCM_FD_P (sfd), sfd, SCM_ARG1, s_sys_close); | |
346 | fd = SCM_FD (sfd); | |
347 | ||
348 | SCM_DEFER_INTS; | |
349 | got = close (fd); | |
350 | SCM_SETCAR (sfd, scm_tc16_fd); | |
351 | SCM_ALLOW_INTS; | |
02b754d3 | 352 | if (got == -1) |
52859adf | 353 | scm_syserror (s_sys_close); |
02b754d3 | 354 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
355 | } |
356 | ||
357 | ||
02b754d3 | 358 | SCM_PROC (s_sys_write_fd, "write-fd", 2, 0, 0, scm_sys_write_fd); |
1cc91f1b | 359 | |
0f2d19dd JB |
360 | SCM |
361 | scm_sys_write_fd (sfd, buf) | |
362 | SCM sfd; | |
363 | SCM buf; | |
0f2d19dd JB |
364 | { |
365 | SCM answer; | |
366 | int fd; | |
367 | size_t written; | |
368 | SCM_ASSERT (SCM_NIMP (sfd) && SCM_FD_P (sfd), sfd, SCM_ARG1, s_sys_write_fd); | |
369 | SCM_ASSERT (SCM_NIMP (buf) && SCM_ROSTRINGP (buf), buf, SCM_ARG2, s_sys_write_fd); | |
370 | fd = SCM_FD (sfd); | |
371 | SCM_DEFER_INTS; | |
372 | written = write (fd, SCM_ROCHARS (buf), SCM_ROLENGTH (buf)); | |
373 | if (written == -1) | |
52859adf | 374 | scm_syserror (s_sys_write_fd); |
02b754d3 | 375 | answer = scm_long2num (written); |
0f2d19dd JB |
376 | SCM_ALLOW_INTS; |
377 | return scm_return_first (answer, buf); | |
378 | } | |
379 | ||
380 | ||
02b754d3 | 381 | SCM_PROC (s_sys_read_fd, "read-fd", 2, 2, 0, scm_sys_read_fd); |
1cc91f1b | 382 | |
0f2d19dd JB |
383 | SCM |
384 | scm_sys_read_fd (sfd, buf, offset, length) | |
385 | SCM sfd; | |
386 | SCM buf; | |
387 | SCM offset; | |
388 | SCM length; | |
0f2d19dd JB |
389 | { |
390 | SCM answer; | |
391 | int fd; | |
392 | char * bytes; | |
393 | int off; | |
394 | int len; | |
395 | size_t got; | |
396 | ||
397 | SCM_ASSERT (SCM_NIMP (sfd) && SCM_FD_P (sfd), sfd, SCM_ARG1, s_sys_read_fd); | |
398 | fd = SCM_FD (sfd); | |
399 | ||
400 | SCM_ASSERT (SCM_NIMP (buf) && SCM_STRINGP (buf), buf, SCM_ARG2, s_sys_read_fd); | |
401 | bytes = SCM_CHARS (buf); | |
402 | ||
403 | if (SCM_UNBNDP (offset)) | |
404 | off = 0; | |
405 | else | |
406 | { | |
407 | SCM_ASSERT (SCM_INUMP (offset), offset, SCM_ARG3, s_sys_read_fd); | |
408 | off = SCM_INUM (offset); | |
409 | } | |
410 | ||
411 | if (SCM_UNBNDP (length)) | |
412 | len = SCM_LENGTH (buf); | |
413 | else | |
414 | { | |
415 | SCM_ASSERT (SCM_INUMP (length), length, SCM_ARG3, s_sys_read_fd); | |
416 | len = SCM_INUM (length); | |
417 | } | |
418 | ||
419 | SCM_DEFER_INTS; | |
420 | got = read (fd, bytes + off, len); | |
421 | if (got == -1) | |
52859adf | 422 | scm_syserror (s_sys_read_fd); |
02b754d3 | 423 | answer = scm_long2num (got); |
0f2d19dd JB |
424 | SCM_ALLOW_INTS; |
425 | return scm_return_first (answer, buf); | |
426 | } | |
427 | ||
02b754d3 | 428 | SCM_PROC (s_sys_lseek, "lseek", 2, 1, 0, scm_sys_lseek); |
1cc91f1b | 429 | |
0f2d19dd JB |
430 | SCM |
431 | scm_sys_lseek (sfd, offset, whence) | |
432 | SCM sfd; | |
433 | SCM offset; | |
434 | SCM whence; | |
0f2d19dd JB |
435 | { |
436 | SCM answer; | |
437 | int fd; | |
438 | long off; | |
439 | int wh; | |
440 | long got; | |
441 | ||
442 | SCM_ASSERT (SCM_NIMP (sfd) && SCM_FD_P (sfd), sfd, SCM_ARG1, s_sys_lseek); | |
443 | fd = SCM_FD (sfd); | |
444 | ||
445 | off = scm_num2long (offset, (char *)SCM_ARG2, s_sys_lseek); | |
446 | if (SCM_UNBNDP (whence)) | |
447 | wh = SEEK_SET; | |
448 | else | |
449 | { | |
450 | SCM_ASSERT (SCM_INUMP (whence), whence, SCM_ARG3, s_sys_lseek); | |
451 | wh = SCM_INUM (whence); | |
452 | } | |
453 | ||
454 | SCM_DEFER_INTS; | |
455 | SCM_SYSCALL (got = lseek (fd, off, wh)); | |
456 | if (got == -1) | |
52859adf | 457 | scm_syserror (s_sys_lseek); |
02b754d3 | 458 | answer = scm_long2num (got); |
0f2d19dd JB |
459 | SCM_ALLOW_INTS; |
460 | return answer; | |
461 | } | |
462 | ||
463 | ||
02b754d3 | 464 | SCM_PROC (s_sys_dup, "dup", 1, 1, 0, scm_sys_dup); |
1cc91f1b | 465 | |
0f2d19dd JB |
466 | SCM |
467 | scm_sys_dup (oldfd, newfd) | |
468 | SCM oldfd; | |
469 | SCM newfd; | |
0f2d19dd JB |
470 | { |
471 | SCM answer; | |
472 | int fd; | |
473 | int nfd; | |
474 | int (*fn)(); | |
475 | ||
476 | SCM_ASSERT (SCM_NIMP (oldfd) && SCM_FD_P (oldfd), oldfd, SCM_ARG1, s_sys_dup); | |
477 | SCM_ASSERT (SCM_UNBNDP (newfd) || SCM_INUMP (newfd), newfd, SCM_ARG2, s_sys_dup); | |
478 | fd = SCM_FD (oldfd); | |
479 | nfd = (SCM_INUMP (newfd) ? SCM_INUM (newfd) : -1); | |
480 | ||
481 | SCM_DEFER_INTS; | |
482 | fn = ((nfd == -1) ? (int (*)())dup : (int (*)())dup2); | |
483 | nfd = fn (fd, nfd); | |
02b754d3 | 484 | if (nfd == -1) |
52859adf | 485 | scm_syserror (s_sys_dup); |
02b754d3 | 486 | answer = SCM_MAKINUM (nfd); |
0f2d19dd JB |
487 | SCM_ALLOW_INTS; |
488 | return answer; | |
489 | } | |
490 | ||
491 | ||
492 | \f | |
493 | /* {Files} | |
494 | */ | |
1cc91f1b | 495 | |
ae5253c5 GH |
496 | SCM_SYMBOL (scm_sym_regular, "regular"); |
497 | SCM_SYMBOL (scm_sym_directory, "directory"); | |
498 | SCM_SYMBOL (scm_sym_symlink, "symlink"); | |
499 | SCM_SYMBOL (scm_sym_block_special, "block-special"); | |
500 | SCM_SYMBOL (scm_sym_char_special, "char-special"); | |
501 | SCM_SYMBOL (scm_sym_fifo, "fifo"); | |
502 | SCM_SYMBOL (scm_sym_sock, "socket"); | |
503 | SCM_SYMBOL (scm_sym_unknown, "unknown"); | |
504 | ||
1cc91f1b JB |
505 | static SCM scm_stat2scm SCM_P ((struct stat *stat_temp)); |
506 | ||
0f2d19dd JB |
507 | static SCM |
508 | scm_stat2scm (stat_temp) | |
509 | struct stat *stat_temp; | |
0f2d19dd | 510 | { |
ae5253c5 | 511 | SCM ans = scm_make_vector (SCM_MAKINUM (15), SCM_UNSPECIFIED, SCM_BOOL_F); |
0f2d19dd | 512 | SCM *ve = SCM_VELTS (ans); |
ae5253c5 | 513 | |
0f2d19dd JB |
514 | ve[0] = scm_ulong2num ((unsigned long) stat_temp->st_dev); |
515 | ve[1] = scm_ulong2num ((unsigned long) stat_temp->st_ino); | |
516 | ve[2] = scm_ulong2num ((unsigned long) stat_temp->st_mode); | |
517 | ve[3] = scm_ulong2num ((unsigned long) stat_temp->st_nlink); | |
518 | ve[4] = scm_ulong2num ((unsigned long) stat_temp->st_uid); | |
519 | ve[5] = scm_ulong2num ((unsigned long) stat_temp->st_gid); | |
520 | #ifdef HAVE_ST_RDEV | |
521 | ve[6] = scm_ulong2num ((unsigned long) stat_temp->st_rdev); | |
522 | #else | |
523 | ve[6] = SCM_BOOL_F; | |
524 | #endif | |
525 | ve[7] = scm_ulong2num ((unsigned long) stat_temp->st_size); | |
526 | ve[8] = scm_ulong2num ((unsigned long) stat_temp->st_atime); | |
527 | ve[9] = scm_ulong2num ((unsigned long) stat_temp->st_mtime); | |
528 | ve[10] = scm_ulong2num ((unsigned long) stat_temp->st_ctime); | |
529 | #ifdef HAVE_ST_BLKSIZE | |
530 | ve[11] = scm_ulong2num ((unsigned long) stat_temp->st_blksize); | |
531 | #else | |
532 | ve[11] = scm_ulong2num (4096L); | |
533 | #endif | |
534 | #ifdef HAVE_ST_BLOCKS | |
535 | ve[12] = scm_ulong2num ((unsigned long) stat_temp->st_blocks); | |
536 | #else | |
537 | ve[12] = SCM_BOOL_F; | |
538 | #endif | |
ae5253c5 GH |
539 | { |
540 | int mode = stat_temp->st_mode; | |
541 | ||
542 | if (S_ISREG (mode)) | |
543 | ve[13] = scm_sym_regular; | |
544 | else if (S_ISDIR (mode)) | |
545 | ve[13] = scm_sym_directory; | |
546 | else if (S_ISLNK (mode)) | |
547 | ve[13] = scm_sym_symlink; | |
548 | else if (S_ISBLK (mode)) | |
549 | ve[13] = scm_sym_block_special; | |
550 | else if (S_ISCHR (mode)) | |
551 | ve[13] = scm_sym_char_special; | |
552 | else if (S_ISFIFO (mode)) | |
553 | ve[13] = scm_sym_fifo; | |
554 | else if (S_ISSOCK (mode)) | |
555 | ve[13] = scm_sym_sock; | |
556 | else | |
557 | ve[13] = scm_sym_unknown; | |
558 | ||
559 | ve[14] = SCM_MAKINUM ((~S_IFMT) & mode); | |
560 | ||
561 | /* the layout of the bits in ve[14] is intended to be portable. | |
562 | If there are systems that don't follow the usual convention, | |
563 | the following could be used: | |
564 | ||
565 | tmp = 0; | |
566 | if (S_ISUID & mode) tmp += 1; | |
567 | tmp <<= 1; | |
568 | if (S_IRGRP & mode) tmp += 1; | |
569 | tmp <<= 1; | |
570 | if (S_ISVTX & mode) tmp += 1; | |
571 | tmp <<= 1; | |
572 | if (S_IRUSR & mode) tmp += 1; | |
573 | tmp <<= 1; | |
574 | if (S_IWUSR & mode) tmp += 1; | |
575 | tmp <<= 1; | |
576 | if (S_IXUSR & mode) tmp += 1; | |
577 | tmp <<= 1; | |
578 | if (S_IWGRP & mode) tmp += 1; | |
579 | tmp <<= 1; | |
580 | if (S_IXGRP & mode) tmp += 1; | |
581 | tmp <<= 1; | |
582 | if (S_IROTH & mode) tmp += 1; | |
583 | tmp <<= 1; | |
584 | if (S_IWOTH & mode) tmp += 1; | |
585 | tmp <<= 1; | |
586 | if (S_IXOTH & mode) tmp += 1; | |
587 | ||
588 | ve[14] = SCM_MAKINUM (tmp); | |
589 | ||
590 | */ | |
591 | } | |
0f2d19dd JB |
592 | |
593 | return ans; | |
594 | } | |
595 | ||
02b754d3 | 596 | SCM_PROC (s_sys_stat, "stat", 1, 0, 0, scm_sys_stat); |
1cc91f1b | 597 | |
0f2d19dd JB |
598 | SCM |
599 | scm_sys_stat (fd_or_path) | |
600 | SCM fd_or_path; | |
0f2d19dd | 601 | { |
657c49b3 | 602 | int rv = 1; |
0f2d19dd JB |
603 | struct stat stat_temp; |
604 | ||
605 | if (SCM_INUMP (fd_or_path)) | |
606 | { | |
0f2d19dd JB |
607 | rv = SCM_INUM (fd_or_path); |
608 | SCM_SYSCALL (rv = fstat (rv, &stat_temp)); | |
609 | } | |
610 | else if (SCM_NIMP (fd_or_path) && SCM_FD_P (fd_or_path)) | |
611 | { | |
612 | rv = SCM_FD (fd_or_path); | |
613 | SCM_SYSCALL (rv = fstat (rv, &stat_temp)); | |
614 | } | |
615 | else | |
616 | { | |
617 | SCM_ASSERT (SCM_NIMP (fd_or_path), fd_or_path, SCM_ARG1, s_sys_stat); | |
618 | SCM_ASSERT (SCM_ROSTRINGP (fd_or_path), fd_or_path, SCM_ARG1, s_sys_stat); | |
619 | if (SCM_ROSTRINGP (fd_or_path)) | |
620 | { | |
621 | if (SCM_SUBSTRP (fd_or_path)) | |
622 | fd_or_path = scm_makfromstr (SCM_ROCHARS (fd_or_path), SCM_ROLENGTH (fd_or_path), 0); | |
623 | SCM_SYSCALL (rv = stat (SCM_CHARS (fd_or_path), &stat_temp)); | |
624 | } | |
625 | ||
626 | } | |
02b754d3 | 627 | if (rv != 0) |
dbece3a2 GH |
628 | scm_syserror_msg (s_sys_stat, "%s: %S", |
629 | scm_listify (scm_makfrom0str (strerror (errno)), | |
630 | fd_or_path, | |
631 | SCM_UNDEFINED)); | |
02b754d3 | 632 | return scm_stat2scm (&stat_temp); |
0f2d19dd JB |
633 | } |
634 | ||
635 | ||
636 | \f | |
637 | /* {Modifying Directories} | |
638 | */ | |
639 | ||
02b754d3 | 640 | SCM_PROC (s_sys_link, "link", 2, 0, 0, scm_sys_link); |
1cc91f1b | 641 | |
0f2d19dd JB |
642 | SCM |
643 | scm_sys_link (oldpath, newpath) | |
644 | SCM oldpath; | |
645 | SCM newpath; | |
0f2d19dd JB |
646 | { |
647 | int val; | |
02b754d3 | 648 | |
0f2d19dd JB |
649 | SCM_ASSERT (SCM_NIMP (oldpath) && SCM_ROSTRINGP (oldpath), oldpath, SCM_ARG1, s_sys_link); |
650 | if (SCM_SUBSTRP (oldpath)) | |
651 | oldpath = scm_makfromstr (SCM_ROCHARS (oldpath), SCM_ROLENGTH (oldpath), 0); | |
652 | SCM_ASSERT (SCM_NIMP (newpath) && SCM_ROSTRINGP (newpath), newpath, SCM_ARG2, s_sys_link); | |
653 | if (SCM_SUBSTRP (newpath)) | |
654 | newpath = scm_makfromstr (SCM_ROCHARS (newpath), SCM_ROLENGTH (newpath), 0); | |
655 | SCM_SYSCALL (val = link (SCM_ROCHARS (oldpath), SCM_ROCHARS (newpath))); | |
02b754d3 | 656 | if (val != 0) |
52859adf | 657 | scm_syserror (s_sys_link); |
02b754d3 | 658 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
659 | } |
660 | ||
661 | ||
662 | ||
02b754d3 | 663 | SCM_PROC (s_sys_rename, "rename-file", 2, 0, 0, scm_sys_rename); |
1cc91f1b | 664 | |
0f2d19dd JB |
665 | SCM |
666 | scm_sys_rename (oldname, newname) | |
667 | SCM oldname; | |
668 | SCM newname; | |
0f2d19dd JB |
669 | { |
670 | int rv; | |
671 | SCM_ASSERT (SCM_NIMP (oldname) && SCM_STRINGP (oldname), oldname, SCM_ARG1, s_sys_rename); | |
672 | SCM_ASSERT (SCM_NIMP (newname) && SCM_STRINGP (newname), newname, SCM_ARG2, s_sys_rename); | |
673 | #ifdef HAVE_RENAME | |
674 | SCM_SYSCALL (rv = rename (SCM_CHARS (oldname), SCM_CHARS (newname))); | |
02b754d3 | 675 | if (rv != 0) |
52859adf | 676 | scm_syserror (s_sys_rename); |
02b754d3 | 677 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
678 | #else |
679 | SCM_DEFER_INTS; | |
680 | SCM_SYSCALL (rv = link (SCM_CHARS (oldname), SCM_CHARS (newname))); | |
02b754d3 | 681 | if (rv == 0) |
0f2d19dd JB |
682 | { |
683 | SCM_SYSCALL (rv = unlink (SCM_CHARS (oldname)));; | |
02b754d3 | 684 | if (rv != 0) |
0f2d19dd JB |
685 | /* unlink failed. remove new name */ |
686 | SCM_SYSCALL (unlink (SCM_CHARS (newname))); | |
687 | } | |
688 | SCM_ALLOW_INTS; | |
02b754d3 | 689 | if (rv != 0) |
52859adf | 690 | scm_syserror (s_sys_rename); |
02b754d3 | 691 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
692 | #endif |
693 | } | |
694 | ||
695 | ||
2f3ed1ba | 696 | SCM_PROC(s_sys_delete_file, "delete-file", 1, 0, 0, scm_sys_delete_file); |
1cc91f1b | 697 | |
2f3ed1ba JB |
698 | SCM |
699 | scm_sys_delete_file (str) | |
700 | SCM str; | |
2f3ed1ba JB |
701 | { |
702 | int ans; | |
703 | SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_sys_delete_file); | |
704 | SCM_SYSCALL (ans = unlink (SCM_CHARS (str))); | |
705 | if (ans != 0) | |
52859adf | 706 | scm_syserror (s_sys_delete_file); |
2f3ed1ba JB |
707 | return SCM_UNSPECIFIED; |
708 | } | |
709 | ||
0f2d19dd | 710 | |
02b754d3 | 711 | SCM_PROC (s_sys_mkdir, "mkdir", 1, 1, 0, scm_sys_mkdir); |
1cc91f1b | 712 | |
0f2d19dd JB |
713 | SCM |
714 | scm_sys_mkdir (path, mode) | |
715 | SCM path; | |
716 | SCM mode; | |
0f2d19dd JB |
717 | { |
718 | #ifdef HAVE_MKDIR | |
719 | int rv; | |
720 | mode_t mask; | |
721 | SCM_ASSERT (SCM_NIMP (path) && SCM_STRINGP (path), path, SCM_ARG1, s_sys_mkdir); | |
722 | if (SCM_UNBNDP (mode)) | |
723 | { | |
724 | mask = umask (0); | |
725 | umask (mask); | |
726 | SCM_SYSCALL (rv = mkdir (SCM_CHARS (path), 0777 ^ mask)); | |
727 | } | |
728 | else | |
729 | { | |
730 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_sys_mkdir); | |
731 | SCM_SYSCALL (rv = mkdir (SCM_CHARS (path), SCM_INUM (mode))); | |
732 | } | |
02b754d3 | 733 | if (rv != 0) |
52859adf | 734 | scm_syserror (s_sys_mkdir); |
02b754d3 | 735 | return SCM_UNSPECIFIED; |
0f2d19dd | 736 | #else |
52859adf | 737 | scm_sysmissing (s_sys_mkdir); |
02b754d3 GH |
738 | /* not reached. */ |
739 | return SCM_BOOL_F; | |
0f2d19dd JB |
740 | #endif |
741 | } | |
742 | ||
743 | ||
02b754d3 | 744 | SCM_PROC (s_sys_rmdir, "rmdir", 1, 0, 0, scm_sys_rmdir); |
1cc91f1b | 745 | |
0f2d19dd JB |
746 | SCM |
747 | scm_sys_rmdir (path) | |
748 | SCM path; | |
0f2d19dd JB |
749 | { |
750 | #ifdef HAVE_RMDIR | |
751 | int val; | |
02b754d3 | 752 | |
0f2d19dd JB |
753 | SCM_ASSERT (SCM_NIMP (path) && SCM_STRINGP (path), path, SCM_ARG1, s_sys_rmdir); |
754 | SCM_SYSCALL (val = rmdir (SCM_CHARS (path))); | |
02b754d3 | 755 | if (val != 0) |
52859adf | 756 | scm_syserror (s_sys_rmdir); |
02b754d3 | 757 | return SCM_UNSPECIFIED; |
0f2d19dd | 758 | #else |
52859adf | 759 | scm_sysmissing (s_sys_rmdir); |
02b754d3 GH |
760 | /* not reached. */ |
761 | return SCM_BOOL_F; | |
0f2d19dd JB |
762 | #endif |
763 | } | |
764 | ||
765 | \f | |
766 | /* {Examining Directories} | |
767 | */ | |
768 | ||
769 | long scm_tc16_dir; | |
770 | ||
02b754d3 | 771 | SCM_PROC (s_sys_opendir, "opendir", 1, 0, 0, scm_sys_opendir); |
1cc91f1b | 772 | |
0f2d19dd JB |
773 | SCM |
774 | scm_sys_opendir (dirname) | |
775 | SCM dirname; | |
0f2d19dd JB |
776 | { |
777 | DIR *ds; | |
778 | SCM dir; | |
779 | SCM_ASSERT (SCM_NIMP (dirname) && SCM_STRINGP (dirname), dirname, SCM_ARG1, s_sys_opendir); | |
780 | SCM_NEWCELL (dir); | |
781 | SCM_DEFER_INTS; | |
782 | SCM_SYSCALL (ds = opendir (SCM_CHARS (dirname))); | |
02b754d3 | 783 | if (ds == NULL) |
52859adf | 784 | scm_syserror (s_sys_opendir); |
a6c64c3c | 785 | SCM_SETCAR (dir, scm_tc16_dir | SCM_OPN); |
0f2d19dd JB |
786 | SCM_SETCDR (dir, ds); |
787 | SCM_ALLOW_INTS; | |
788 | return dir; | |
789 | } | |
790 | ||
791 | ||
02b754d3 | 792 | SCM_PROC (s_sys_readdir, "readdir", 1, 0, 0, scm_sys_readdir); |
1cc91f1b | 793 | |
0f2d19dd JB |
794 | SCM |
795 | scm_sys_readdir (port) | |
796 | SCM port; | |
0f2d19dd JB |
797 | { |
798 | struct dirent *rdent; | |
799 | SCM_DEFER_INTS; | |
800 | SCM_ASSERT (SCM_NIMP (port) && SCM_OPDIRP (port), port, SCM_ARG1, s_sys_readdir); | |
801 | errno = 0; | |
802 | SCM_SYSCALL (rdent = readdir ((DIR *) SCM_CDR (port))); | |
803 | SCM_ALLOW_INTS; | |
02b754d3 | 804 | if (errno != 0) |
52859adf | 805 | scm_syserror (s_sys_readdir); |
02b754d3 GH |
806 | return (rdent ? scm_makfromstr (rdent->d_name, NAMLEN (rdent), 0) |
807 | : SCM_EOF_VAL); | |
0f2d19dd JB |
808 | } |
809 | ||
810 | ||
811 | ||
812 | SCM_PROC (s_rewinddir, "rewinddir", 1, 0, 0, scm_rewinddir); | |
1cc91f1b | 813 | |
0f2d19dd JB |
814 | SCM |
815 | scm_rewinddir (port) | |
816 | SCM port; | |
0f2d19dd JB |
817 | { |
818 | SCM_ASSERT (SCM_NIMP (port) && SCM_OPDIRP (port), port, SCM_ARG1, s_rewinddir); | |
819 | rewinddir ((DIR *) SCM_CDR (port)); | |
820 | return SCM_UNSPECIFIED; | |
821 | } | |
822 | ||
823 | ||
824 | ||
02b754d3 | 825 | SCM_PROC (s_sys_closedir, "closedir", 1, 0, 0, scm_sys_closedir); |
1cc91f1b | 826 | |
0f2d19dd JB |
827 | SCM |
828 | scm_sys_closedir (port) | |
829 | SCM port; | |
0f2d19dd JB |
830 | { |
831 | int sts; | |
02b754d3 | 832 | |
0f2d19dd JB |
833 | SCM_ASSERT (SCM_NIMP (port) && SCM_DIRP (port), port, SCM_ARG1, s_sys_closedir); |
834 | SCM_DEFER_INTS; | |
835 | if (SCM_CLOSEDP (port)) | |
836 | { | |
837 | SCM_ALLOW_INTS; | |
02b754d3 | 838 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
839 | } |
840 | SCM_SYSCALL (sts = closedir ((DIR *) SCM_CDR (port))); | |
02b754d3 | 841 | if (sts != 0) |
52859adf | 842 | scm_syserror (s_sys_closedir); |
a6c64c3c | 843 | SCM_SETCAR (port, scm_tc16_dir); |
0f2d19dd | 844 | SCM_ALLOW_INTS; |
02b754d3 | 845 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
846 | } |
847 | ||
848 | ||
849 | ||
1cc91f1b JB |
850 | |
851 | static int scm_dir_print SCM_P ((SCM sexp, SCM port, scm_print_state *pstate)); | |
852 | ||
0f2d19dd | 853 | static int |
9882ea19 | 854 | scm_dir_print (sexp, port, pstate) |
0f2d19dd JB |
855 | SCM sexp; |
856 | SCM port; | |
9882ea19 | 857 | scm_print_state *pstate; |
0f2d19dd JB |
858 | { |
859 | scm_prinport (sexp, port, "directory"); | |
860 | return 1; | |
861 | } | |
862 | ||
1cc91f1b JB |
863 | |
864 | static scm_sizet scm_dir_free SCM_P ((SCM p)); | |
865 | ||
0f2d19dd JB |
866 | static scm_sizet |
867 | scm_dir_free (p) | |
868 | SCM p; | |
0f2d19dd JB |
869 | { |
870 | if (SCM_OPENP (p)) | |
871 | closedir ((DIR *) SCM_CDR (p)); | |
872 | return 0; | |
873 | } | |
874 | ||
875 | static scm_smobfuns dir_smob = {scm_mark0, scm_dir_free, scm_dir_print, 0}; | |
876 | ||
877 | \f | |
878 | /* {Navigating Directories} | |
879 | */ | |
880 | ||
881 | ||
02b754d3 | 882 | SCM_PROC (s_sys_chdir, "chdir", 1, 0, 0, scm_sys_chdir); |
1cc91f1b | 883 | |
0f2d19dd JB |
884 | SCM |
885 | scm_sys_chdir (str) | |
886 | SCM str; | |
0f2d19dd JB |
887 | { |
888 | int ans; | |
02b754d3 | 889 | |
0f2d19dd JB |
890 | SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_sys_chdir); |
891 | SCM_SYSCALL (ans = chdir (SCM_CHARS (str))); | |
02b754d3 | 892 | if (ans != 0) |
52859adf | 893 | scm_syserror (s_sys_chdir); |
02b754d3 | 894 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
895 | } |
896 | ||
897 | ||
898 | ||
02b754d3 | 899 | SCM_PROC (s_sys_getcwd, "getcwd", 0, 0, 0, scm_sys_getcwd); |
1cc91f1b | 900 | |
0f2d19dd JB |
901 | SCM |
902 | scm_sys_getcwd () | |
0f2d19dd JB |
903 | { |
904 | #ifdef HAVE_GETCWD | |
905 | char *rv; | |
906 | ||
907 | scm_sizet size = 100; | |
908 | char *wd; | |
909 | SCM result; | |
910 | ||
911 | SCM_DEFER_INTS; | |
912 | wd = scm_must_malloc (size, s_sys_getcwd); | |
913 | while ((rv = getcwd (wd, size)) == 0 && errno == ERANGE) | |
914 | { | |
915 | scm_must_free (wd); | |
916 | size *= 2; | |
917 | wd = scm_must_malloc (size, s_sys_getcwd); | |
918 | } | |
02b754d3 | 919 | if (rv == 0) |
52859adf | 920 | scm_syserror (s_sys_getcwd); |
02b754d3 | 921 | result = scm_makfromstr (wd, strlen (wd), 0); |
0f2d19dd JB |
922 | scm_must_free (wd); |
923 | SCM_ALLOW_INTS; | |
924 | return result; | |
925 | #else | |
52859adf | 926 | scm_sysmissing (s_sys_getcwd); |
02b754d3 GH |
927 | /* not reached. */ |
928 | return SCM_BOOL_F; | |
0f2d19dd JB |
929 | #endif |
930 | } | |
931 | ||
932 | \f | |
933 | ||
1cc91f1b JB |
934 | |
935 | static void fill_select_type SCM_P ((SELECT_TYPE * set, SCM list)); | |
936 | ||
0f2d19dd JB |
937 | static void |
938 | fill_select_type (set, list) | |
939 | SELECT_TYPE * set; | |
940 | SCM list; | |
0f2d19dd JB |
941 | { |
942 | while (list != SCM_EOL) | |
943 | { | |
944 | if ( SCM_NIMP (SCM_CAR (list)) | |
945 | && (scm_tc16_fport == SCM_TYP16 (SCM_CAR (list))) | |
946 | && SCM_OPPORTP (SCM_CAR (list))) | |
947 | FD_SET (fileno ((FILE *)SCM_STREAM (SCM_CAR (list))), set); | |
948 | else if (SCM_INUMP (SCM_CAR (list))) | |
949 | FD_SET (SCM_INUM (SCM_CAR (list)), set); | |
950 | else if (SCM_NIMP (SCM_CAR (list)) && SCM_FD_P (SCM_CAR (list))) | |
951 | FD_SET (SCM_FD (SCM_CAR (list)), set); | |
952 | list = SCM_CDR (list); | |
953 | } | |
954 | } | |
955 | ||
1cc91f1b JB |
956 | |
957 | static SCM retrieve_select_type SCM_P ((SELECT_TYPE * set, SCM list)); | |
958 | ||
0f2d19dd JB |
959 | static SCM |
960 | retrieve_select_type (set, list) | |
961 | SELECT_TYPE * set; | |
962 | SCM list; | |
0f2d19dd JB |
963 | { |
964 | SCM answer; | |
965 | answer = SCM_EOL; | |
966 | while (list != SCM_EOL) | |
967 | { | |
968 | if ( SCM_NIMP (SCM_CAR (list)) | |
969 | && (scm_tc16_fport == SCM_TYP16 (SCM_CAR (list))) | |
970 | && SCM_OPPORTP (SCM_CAR (list))) | |
971 | { | |
972 | if (FD_ISSET (fileno ((FILE *)SCM_STREAM (SCM_CAR (list))), set)) | |
973 | answer = scm_cons (SCM_CAR (list), answer); | |
974 | } | |
975 | else if (SCM_INUMP (SCM_CAR (list))) | |
976 | { | |
977 | if (FD_ISSET (SCM_INUM (SCM_CAR (list)), set)) | |
978 | answer = scm_cons (SCM_CAR (list), answer); | |
979 | } | |
980 | else if (SCM_NIMP (SCM_CAR (list)) && SCM_FD_P (SCM_CAR (list))) | |
981 | { | |
982 | if (FD_ISSET (SCM_FD (SCM_CAR (list)), set)) | |
983 | answer = scm_cons (SCM_CAR (list), answer); | |
984 | } | |
985 | list = SCM_CDR (list); | |
986 | } | |
987 | return answer; | |
988 | } | |
989 | ||
990 | ||
66b47b6c MD |
991 | /* {Checking for events} |
992 | */ | |
993 | ||
02b754d3 | 994 | SCM_PROC (s_sys_select, "select", 3, 2, 0, scm_sys_select); |
1cc91f1b | 995 | |
0f2d19dd JB |
996 | SCM |
997 | scm_sys_select (reads, writes, excepts, secs, msecs) | |
998 | SCM reads; | |
999 | SCM writes; | |
1000 | SCM excepts; | |
1001 | SCM secs; | |
1002 | SCM msecs; | |
0f2d19dd JB |
1003 | { |
1004 | #ifdef HAVE_SELECT | |
1005 | struct timeval timeout; | |
1006 | struct timeval * time_p; | |
1007 | SELECT_TYPE read_set; | |
1008 | SELECT_TYPE write_set; | |
1009 | SELECT_TYPE except_set; | |
1010 | int sreturn; | |
1011 | ||
1012 | SCM_ASSERT (-1 < scm_ilength (reads), reads, SCM_ARG1, s_sys_select); | |
1013 | SCM_ASSERT (-1 < scm_ilength (writes), reads, SCM_ARG1, s_sys_select); | |
1014 | SCM_ASSERT (-1 < scm_ilength (excepts), reads, SCM_ARG1, s_sys_select); | |
1015 | ||
1016 | FD_ZERO (&read_set); | |
1017 | FD_ZERO (&write_set); | |
1018 | FD_ZERO (&except_set); | |
1019 | ||
1020 | fill_select_type (&read_set, reads); | |
1021 | fill_select_type (&write_set, writes); | |
1022 | fill_select_type (&except_set, excepts); | |
1023 | ||
1024 | if (SCM_UNBNDP (secs)) | |
1025 | time_p = 0; | |
1026 | else | |
1027 | { | |
1028 | SCM_ASSERT (SCM_INUMP (secs), secs, SCM_ARG4, s_sys_select); | |
1029 | if (SCM_UNBNDP (msecs)) | |
1030 | msecs = SCM_INUM0; | |
1031 | else | |
1032 | SCM_ASSERT (SCM_INUMP (msecs), msecs, SCM_ARG5, s_sys_select); | |
1033 | ||
1034 | timeout.tv_sec = SCM_INUM (secs); | |
1035 | timeout.tv_usec = 1000 * SCM_INUM (msecs); | |
1036 | time_p = &timeout; | |
1037 | } | |
1038 | ||
1039 | SCM_DEFER_INTS; | |
1040 | sreturn = select (SELECT_SET_SIZE, | |
1041 | &read_set, &write_set, &except_set, time_p); | |
0f2d19dd | 1042 | if (sreturn < 0) |
52859adf | 1043 | scm_syserror (s_sys_select); |
52f4f4d6 | 1044 | SCM_ALLOW_INTS; |
02b754d3 GH |
1045 | return scm_listify (retrieve_select_type (&read_set, reads), |
1046 | retrieve_select_type (&write_set, writes), | |
1047 | retrieve_select_type (&except_set, excepts), | |
1048 | SCM_UNDEFINED); | |
0f2d19dd | 1049 | #else |
52859adf | 1050 | scm_sysmissing (s_sys_select); |
02b754d3 GH |
1051 | /* not reached. */ |
1052 | return SCM_BOOL_F; | |
0f2d19dd JB |
1053 | #endif |
1054 | } | |
1055 | ||
66b47b6c MD |
1056 | /* Check if FILE has characters waiting to be read. */ |
1057 | ||
1058 | #ifdef __IBMC__ | |
1059 | # define MSDOS | |
1060 | #endif | |
1061 | #ifdef MSDOS | |
1062 | # ifndef GO32 | |
1063 | # include <io.h> | |
1064 | # include <conio.h> | |
1065 | ||
1066 | int | |
1067 | scm_input_waiting_p (f, caller) | |
1068 | FILE *f; | |
1069 | char *caller; | |
1070 | { | |
1071 | if (feof (f)) | |
1072 | return 1; | |
1073 | if (fileno (f) == fileno (stdin) && (isatty (fileno (stdin)))) | |
1074 | return kbhit (); | |
1075 | return -1; | |
1076 | } | |
1077 | ||
1078 | # endif | |
1079 | #else | |
1080 | # ifdef _DCC | |
1081 | # include <ioctl.h> | |
1082 | # else | |
1083 | # ifndef AMIGA | |
1084 | # ifndef vms | |
1085 | # ifdef MWC | |
1086 | # include <sys/io.h> | |
1087 | # else | |
1088 | # ifndef THINK_C | |
1089 | # ifndef ARM_ULIB | |
1090 | # include <sys/ioctl.h> | |
1091 | # endif | |
1092 | # endif | |
1093 | # endif | |
1094 | # endif | |
1095 | # endif | |
1096 | # endif | |
1097 | ||
1098 | int | |
1099 | scm_input_waiting_p (f, caller) | |
1100 | FILE *f; | |
1101 | char *caller; | |
1102 | { | |
1103 | /* Can we return an end-of-file character? */ | |
1104 | if (feof (f)) | |
1105 | return 1; | |
1106 | ||
1107 | /* Do we have characters in the stdio buffer? */ | |
1108 | # ifdef FILE_CNT_FIELD | |
1109 | if (f->FILE_CNT_FIELD > 0) | |
1110 | return 1; | |
1111 | # else | |
1112 | # ifdef FILE_CNT_GPTR | |
1113 | if (f->_gptr != f->_egptr) | |
1114 | return 1; | |
1115 | # else | |
1116 | # ifdef FILE_CNT_READPTR | |
1117 | if (f->_IO_read_end != f->_IO_read_ptr) | |
1118 | return 1; | |
1119 | # else | |
1120 | Configure.in could not guess the name of the correct field in a FILE *. | |
1121 | This function needs to be ported to your system. | |
1122 | It should return zero iff no characters are waiting to be read.; | |
1123 | # endif | |
1124 | # endif | |
1125 | # endif | |
1126 | ||
1127 | /* Is the file prepared to deliver input? */ | |
1128 | # ifdef FIONREAD | |
1129 | { | |
1130 | long remir; | |
1131 | ioctl(fileno(f), FIONREAD, &remir); | |
1132 | return remir; | |
1133 | } | |
1134 | # else | |
1135 | # ifdef HAVE_SELECT | |
1136 | { | |
1137 | struct timeval timeout; | |
1138 | SELECT_TYPE read_set; | |
1139 | SELECT_TYPE write_set; | |
1140 | SELECT_TYPE except_set; | |
1141 | int fno = fileno ((FILE *)f); | |
1142 | ||
1143 | FD_ZERO (&read_set); | |
1144 | FD_ZERO (&write_set); | |
1145 | FD_ZERO (&except_set); | |
1146 | ||
1147 | FD_SET (fno, &read_set); | |
1148 | ||
1149 | timeout.tv_sec = 0; | |
1150 | timeout.tv_usec = 0; | |
1151 | ||
1152 | SCM_DEFER_INTS; | |
1153 | if (select (SELECT_SET_SIZE, | |
1154 | &read_set, &write_set, &except_set, &timeout) | |
1155 | < 0) | |
1156 | scm_syserror (caller); | |
1157 | SCM_ALLOW_INTS; | |
1158 | return FD_ISSET (fno, &read_set); | |
1159 | } | |
1160 | # else | |
1161 | return -1; | |
1162 | # endif | |
1163 | # endif | |
1164 | } | |
1165 | #endif | |
1166 | ||
0f2d19dd JB |
1167 | \f |
1168 | /* {Symbolic Links} | |
1169 | */ | |
1170 | ||
02b754d3 | 1171 | SCM_PROC (s_sys_symlink, "symlink", 2, 0, 0, scm_sys_symlink); |
1cc91f1b | 1172 | |
0f2d19dd JB |
1173 | SCM |
1174 | scm_sys_symlink(oldpath, newpath) | |
1175 | SCM oldpath; | |
1176 | SCM newpath; | |
0f2d19dd JB |
1177 | { |
1178 | #ifdef HAVE_SYMLINK | |
1179 | int val; | |
02b754d3 | 1180 | |
0f2d19dd JB |
1181 | SCM_ASSERT(SCM_NIMP(oldpath) && SCM_STRINGP(oldpath), oldpath, SCM_ARG1, s_sys_symlink); |
1182 | SCM_ASSERT(SCM_NIMP(newpath) && SCM_STRINGP(newpath), newpath, SCM_ARG2, s_sys_symlink); | |
02b754d3 GH |
1183 | SCM_SYSCALL (val = symlink(SCM_CHARS(oldpath), SCM_CHARS(newpath))); |
1184 | if (val != 0) | |
52859adf | 1185 | scm_syserror (s_sys_symlink); |
02b754d3 | 1186 | return SCM_UNSPECIFIED; |
0f2d19dd | 1187 | #else |
52859adf | 1188 | scm_sysmissing (s_sys_symlink); |
02b754d3 GH |
1189 | /* not reached. */ |
1190 | return SCM_BOOL_F; | |
0f2d19dd JB |
1191 | #endif |
1192 | } | |
1193 | ||
1194 | ||
02b754d3 | 1195 | SCM_PROC (s_sys_readlink, "readlink", 1, 0, 0, scm_sys_readlink); |
1cc91f1b | 1196 | |
0f2d19dd JB |
1197 | SCM |
1198 | scm_sys_readlink(path) | |
1199 | SCM path; | |
0f2d19dd JB |
1200 | { |
1201 | #ifdef HAVE_READLINK | |
1202 | scm_sizet rv; | |
1203 | scm_sizet size = 100; | |
1204 | char *buf; | |
1205 | SCM result; | |
1206 | SCM_ASSERT (SCM_NIMP (path) && SCM_STRINGP (path), path, (char *) SCM_ARG1, s_sys_readlink); | |
1207 | SCM_DEFER_INTS; | |
1208 | buf = scm_must_malloc (size, s_sys_readlink); | |
1209 | while ((rv = readlink (SCM_CHARS (path), buf, (scm_sizet) size)) == size) | |
1210 | { | |
1211 | scm_must_free (buf); | |
1212 | size *= 2; | |
1213 | buf = scm_must_malloc (size, s_sys_readlink); | |
1214 | } | |
02b754d3 | 1215 | if (rv == -1) |
52859adf | 1216 | scm_syserror (s_sys_readlink); |
02b754d3 | 1217 | result = scm_makfromstr (buf, rv, 0); |
0f2d19dd JB |
1218 | scm_must_free (buf); |
1219 | SCM_ALLOW_INTS; | |
1220 | return result; | |
1221 | #else | |
52859adf | 1222 | scm_sysmissing (s_sys_readlink); |
02b754d3 GH |
1223 | /* not reached. */ |
1224 | return SCM_BOOL_F; | |
0f2d19dd JB |
1225 | #endif |
1226 | } | |
1227 | ||
1228 | ||
02b754d3 | 1229 | SCM_PROC (s_sys_lstat, "lstat", 1, 0, 0, scm_sys_lstat); |
1cc91f1b | 1230 | |
0f2d19dd JB |
1231 | SCM |
1232 | scm_sys_lstat(str) | |
1233 | SCM str; | |
0f2d19dd | 1234 | { |
02b754d3 GH |
1235 | #ifdef HAVE_LSTAT |
1236 | int rv; | |
0f2d19dd | 1237 | struct stat stat_temp; |
02b754d3 | 1238 | |
0f2d19dd | 1239 | SCM_ASSERT(SCM_NIMP(str) && SCM_STRINGP(str), str, (char *)SCM_ARG1, s_sys_lstat); |
02b754d3 GH |
1240 | SCM_SYSCALL(rv = lstat(SCM_CHARS(str), &stat_temp)); |
1241 | if (rv != 0) | |
dbece3a2 GH |
1242 | scm_syserror_msg (s_sys_lstat, "%s: %S", |
1243 | scm_listify (scm_makfrom0str (strerror (errno)), | |
1244 | str, | |
1245 | SCM_UNDEFINED)); | |
02b754d3 | 1246 | return scm_stat2scm(&stat_temp); |
0f2d19dd | 1247 | #else |
52859adf | 1248 | scm_sysmissing (s_sys_lstat); |
02b754d3 GH |
1249 | /* not reached. */ |
1250 | return SCM_BOOL_F; | |
0f2d19dd JB |
1251 | #endif |
1252 | } | |
1253 | ||
1254 | ||
02b754d3 | 1255 | SCM_PROC (s_sys_copy_file, "copy-file", 2, 0, 0, scm_sys_copy_file); |
1cc91f1b | 1256 | |
0f2d19dd JB |
1257 | SCM |
1258 | scm_sys_copy_file (oldfile, newfile) | |
1259 | SCM oldfile; | |
1260 | SCM newfile; | |
0f2d19dd JB |
1261 | { |
1262 | int oldfd, newfd; | |
1263 | int n; | |
1264 | char buf[BUFSIZ]; /* this space could be shared. */ | |
1265 | struct stat oldstat; | |
1266 | ||
1267 | SCM_ASSERT (SCM_NIMP (oldfile) && SCM_ROSTRINGP (oldfile), oldfile, SCM_ARG1, s_sys_copy_file); | |
1268 | if (SCM_SUBSTRP (oldfile)) | |
1269 | oldfile = scm_makfromstr (SCM_ROCHARS (oldfile), SCM_ROLENGTH (oldfile), 0); | |
1270 | SCM_ASSERT (SCM_NIMP (newfile) && SCM_ROSTRINGP (newfile), newfile, SCM_ARG2, s_sys_copy_file); | |
1271 | if (SCM_SUBSTRP (newfile)) | |
1272 | newfile = scm_makfromstr (SCM_ROCHARS (newfile), SCM_ROLENGTH (newfile), 0); | |
1273 | if (stat (SCM_ROCHARS (oldfile), &oldstat) == -1) | |
52859adf | 1274 | scm_syserror (s_sys_copy_file); |
0f2d19dd JB |
1275 | SCM_DEFER_INTS; |
1276 | oldfd = open (SCM_ROCHARS (oldfile), O_RDONLY); | |
1277 | if (oldfd == -1) | |
52859adf | 1278 | scm_syserror (s_sys_copy_file); |
02b754d3 GH |
1279 | |
1280 | /* use POSIX flags instead of 07777?. */ | |
0f2d19dd JB |
1281 | newfd = open (SCM_ROCHARS (newfile), O_WRONLY | O_CREAT | O_TRUNC, |
1282 | oldstat.st_mode & 07777); | |
1283 | if (newfd == -1) | |
52859adf | 1284 | scm_syserror (s_sys_copy_file); |
02b754d3 | 1285 | |
0f2d19dd JB |
1286 | while ((n = read (oldfd, buf, sizeof buf)) > 0) |
1287 | if (write (newfd, buf, n) != n) | |
1288 | { | |
1289 | close (oldfd); | |
1290 | close (newfd); | |
52859adf | 1291 | scm_syserror (s_sys_copy_file); |
0f2d19dd JB |
1292 | } |
1293 | close (oldfd); | |
1294 | if (close (newfd) == -1) | |
52859adf | 1295 | scm_syserror (s_sys_copy_file); |
0f2d19dd | 1296 | SCM_ALLOW_INTS; |
02b754d3 | 1297 | return SCM_UNSPECIFIED; |
0f2d19dd JB |
1298 | } |
1299 | ||
1300 | \f | |
1cc91f1b | 1301 | |
0f2d19dd JB |
1302 | void |
1303 | scm_init_filesys () | |
0f2d19dd | 1304 | { |
52f4f4d6 | 1305 | scm_add_feature ("i/o-extensions"); |
0f2d19dd JB |
1306 | |
1307 | scm_tc16_fd = scm_newsmob (&fd_smob); | |
1308 | scm_tc16_dir = scm_newsmob (&dir_smob); | |
1309 | ||
1310 | #include "filesys.x" | |
1311 | } |