Commit | Line | Data |
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f0007cad | 1 | /* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2006, |
ca6adcc6 | 2 | * 2009, 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc. |
f0007cad | 3 | * |
73be1d9e | 4 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
5 | * modify it under the terms of the GNU Lesser General Public License |
6 | * as published by the Free Software Foundation; either version 3 of | |
7 | * the License, or (at your option) any later version. | |
0f2d19dd | 8 | * |
53befeb7 NJ |
9 | * This library is distributed in the hope that it will be useful, but |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. | |
0f2d19dd | 13 | * |
73be1d9e MV |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
17 | * 02110-1301 USA | |
73be1d9e | 18 | */ |
1bbd0b84 | 19 | |
1bbd0b84 | 20 | |
0f2d19dd | 21 | \f |
073167ef LC |
22 | /* This file contains POSIX file system access procedures. Procedures |
23 | essential to the compiler and run-time (`stat', `canonicalize-path', | |
24 | etc.) are compiled even with `--disable-posix'. */ | |
25 | ||
464ee095 KR |
26 | |
27 | /* See stime.c for comments on why _POSIX_C_SOURCE is not always defined. */ | |
2b829bbb | 28 | #define _LARGEFILE64_SOURCE /* ask for stat64 etc */ |
464ee095 KR |
29 | #ifdef __hpux |
30 | #define _POSIX_C_SOURCE 199506L /* for readdir_r */ | |
edea856c | 31 | #endif |
6d484a0b | 32 | |
dbb605f5 | 33 | #ifdef HAVE_CONFIG_H |
83079454 RB |
34 | # include <config.h> |
35 | #endif | |
36 | ||
f7439099 | 37 | #include <alloca.h> |
2b829bbb | 38 | |
8912421c | 39 | #include <stdlib.h> |
3d8d56df | 40 | #include <stdio.h> |
e6e2e95a MD |
41 | #include <errno.h> |
42 | ||
a0599745 MD |
43 | #include "libguile/_scm.h" |
44 | #include "libguile/smob.h" | |
45 | #include "libguile/feature.h" | |
46 | #include "libguile/fports.h" | |
a0599745 MD |
47 | #include "libguile/strings.h" |
48 | #include "libguile/vectors.h" | |
1299a0f1 | 49 | #include "libguile/dynwind.h" |
0f2d19dd | 50 | |
a0599745 MD |
51 | #include "libguile/validate.h" |
52 | #include "libguile/filesys.h" | |
def804a3 | 53 | |
0f2d19dd | 54 | \f |
def804a3 JB |
55 | #ifdef HAVE_IO_H |
56 | #include <io.h> | |
57 | #endif | |
58 | ||
e0c73a1c MV |
59 | #ifdef HAVE_DIRECT_H |
60 | #include <direct.h> | |
61 | #endif | |
62 | ||
0f2d19dd JB |
63 | #ifdef TIME_WITH_SYS_TIME |
64 | # include <sys/time.h> | |
65 | # include <time.h> | |
66 | #else | |
67 | # if HAVE_SYS_TIME_H | |
68 | # include <sys/time.h> | |
69 | # else | |
70 | # include <time.h> | |
71 | # endif | |
72 | #endif | |
73 | ||
0f2d19dd | 74 | #include <unistd.h> |
0f2d19dd | 75 | |
3594582b | 76 | #ifdef LIBC_H_WITH_UNISTD_H |
1f9e2226 JB |
77 | #include <libc.h> |
78 | #endif | |
79 | ||
0f2d19dd | 80 | #include <sys/select.h> |
0f2d19dd | 81 | |
1f9e2226 JB |
82 | #ifdef HAVE_STRING_H |
83 | #include <string.h> | |
84 | #endif | |
85 | ||
8cc71382 | 86 | #include <sys/types.h> |
0f2d19dd JB |
87 | #include <sys/stat.h> |
88 | #include <fcntl.h> | |
89 | ||
82893676 | 90 | #ifdef HAVE_PWD_H |
0f2d19dd | 91 | #include <pwd.h> |
82893676 | 92 | #endif |
0f2d19dd | 93 | |
f0007cad | 94 | #include <dirent.h> |
0f2d19dd | 95 | |
f0007cad | 96 | #define NAMLEN(dirent) strlen ((dirent)->d_name) |
0f2d19dd | 97 | |
fbac7c61 LC |
98 | #ifdef HAVE_SYS_SENDFILE_H |
99 | # include <sys/sendfile.h> | |
100 | #endif | |
101 | ||
102 | /* Glibc's `sendfile' function. */ | |
103 | #define sendfile_or_sendfile64 \ | |
104 | CHOOSE_LARGEFILE (sendfile, sendfile64) | |
105 | ||
106 | #include <full-read.h> | |
107 | #include <full-write.h> | |
108 | ||
109 | ||
0f2d19dd JB |
110 | \f |
111 | ||
1299a0f1 MV |
112 | /* Two helper macros for an often used pattern */ |
113 | ||
114 | #define STRING_SYSCALL(str,cstr,code) \ | |
115 | do { \ | |
116 | int eno; \ | |
117 | char *cstr = scm_to_locale_string (str); \ | |
118 | SCM_SYSCALL (code); \ | |
119 | eno = errno; free (cstr); errno = eno; \ | |
120 | } while (0) | |
121 | ||
122 | #define STRING2_SYSCALL(str1,cstr1,str2,cstr2,code) \ | |
123 | do { \ | |
124 | int eno; \ | |
125 | char *cstr1, *cstr2; \ | |
661ae7ab | 126 | scm_dynwind_begin (0); \ |
1299a0f1 | 127 | cstr1 = scm_to_locale_string (str1); \ |
661ae7ab | 128 | scm_dynwind_free (cstr1); \ |
1299a0f1 | 129 | cstr2 = scm_to_locale_string (str2); \ |
661ae7ab | 130 | scm_dynwind_free (cstr2); \ |
1299a0f1 | 131 | SCM_SYSCALL (code); \ |
661ae7ab | 132 | eno = errno; scm_dynwind_end (); errno = eno; \ |
1299a0f1 | 133 | } while (0) |
0f2d19dd | 134 | |
5a706f03 AW |
135 | |
136 | #define MAX(A, B) ((A) > (B) ? (A) : (B)) | |
137 | #define MIN(A, B) ((A) < (B) ? (A) : (B)) | |
138 | ||
0f2d19dd JB |
139 | \f |
140 | ||
073167ef LC |
141 | #ifdef HAVE_POSIX |
142 | ||
0f2d19dd JB |
143 | /* {Permissions} |
144 | */ | |
145 | ||
82893676 | 146 | #ifdef HAVE_CHOWN |
a1ec6916 | 147 | SCM_DEFINE (scm_chown, "chown", 3, 0, 0, |
1bbd0b84 | 148 | (SCM object, SCM owner, SCM group), |
d831b039 GH |
149 | "Change the ownership and group of the file referred to by @var{object} to\n" |
150 | "the integer values @var{owner} and @var{group}. @var{object} can be\n" | |
151 | "a string containing a file name or, if the platform\n" | |
152 | "supports fchown, a port or integer file descriptor\n" | |
153 | "which is open on the file. The return value\n" | |
d3818c29 | 154 | "is unspecified.\n\n" |
d831b039 | 155 | "If @var{object} is a symbolic link, either the\n" |
d3818c29 MD |
156 | "ownership of the link or the ownership of the referenced file will be\n" |
157 | "changed depending on the operating system (lchown is\n" | |
158 | "unsupported at present). If @var{owner} or @var{group} is specified\n" | |
159 | "as @code{-1}, then that ID is not changed.") | |
1bbd0b84 | 160 | #define FUNC_NAME s_scm_chown |
0f2d19dd | 161 | { |
6afcd3b2 | 162 | int rv; |
02b754d3 | 163 | |
78446828 MV |
164 | object = SCM_COERCE_OUTPORT (object); |
165 | ||
d831b039 | 166 | #ifdef HAVE_FCHOWN |
a55c2b68 | 167 | if (scm_is_integer (object) || (SCM_OPFPORTP (object))) |
6afcd3b2 | 168 | { |
a55c2b68 MV |
169 | int fdes = (SCM_OPFPORTP (object)? |
170 | SCM_FPORT_FDES (object) : scm_to_int (object)); | |
d831b039 | 171 | |
a55c2b68 | 172 | SCM_SYSCALL (rv = fchown (fdes, scm_to_int (owner), scm_to_int (group))); |
6afcd3b2 GH |
173 | } |
174 | else | |
d831b039 | 175 | #endif |
6afcd3b2 | 176 | { |
1299a0f1 MV |
177 | STRING_SYSCALL (object, c_object, |
178 | rv = chown (c_object, | |
179 | scm_to_int (owner), scm_to_int (group))); | |
6afcd3b2 GH |
180 | } |
181 | if (rv == -1) | |
1bbd0b84 | 182 | SCM_SYSERROR; |
02b754d3 | 183 | return SCM_UNSPECIFIED; |
0f2d19dd | 184 | } |
1bbd0b84 | 185 | #undef FUNC_NAME |
82893676 | 186 | #endif /* HAVE_CHOWN */ |
0f2d19dd | 187 | |
0f2d19dd | 188 | \f |
0f2d19dd | 189 | |
a1ec6916 | 190 | SCM_DEFINE (scm_open_fdes, "open-fdes", 2, 1, 0, |
1bbd0b84 | 191 | (SCM path, SCM flags, SCM mode), |
1e6808ea MG |
192 | "Similar to @code{open} but return a file descriptor instead of\n" |
193 | "a port.") | |
1bbd0b84 | 194 | #define FUNC_NAME s_scm_open_fdes |
0f2d19dd JB |
195 | { |
196 | int fd; | |
3d8d56df | 197 | int iflags; |
6afcd3b2 | 198 | int imode; |
0f2d19dd | 199 | |
1be6b49c ML |
200 | iflags = SCM_NUM2INT (2, flags); |
201 | imode = SCM_NUM2INT_DEF (3, mode, 0666); | |
23f2b9a3 | 202 | STRING_SYSCALL (path, c_path, fd = open_or_open64 (c_path, iflags, imode)); |
3d8d56df | 203 | if (fd == -1) |
1bbd0b84 | 204 | SCM_SYSERROR; |
e11e83f3 | 205 | return scm_from_int (fd); |
6afcd3b2 | 206 | } |
1bbd0b84 | 207 | #undef FUNC_NAME |
6afcd3b2 | 208 | |
a1ec6916 | 209 | SCM_DEFINE (scm_open, "open", 2, 1, 0, |
1bbd0b84 | 210 | (SCM path, SCM flags, SCM mode), |
d3818c29 MD |
211 | "Open the file named by @var{path} for reading and/or writing.\n" |
212 | "@var{flags} is an integer specifying how the file should be opened.\n" | |
213 | "@var{mode} is an integer specifying the permission bits of the file, if\n" | |
214 | "it needs to be created, before the umask is applied. The default is 666\n" | |
215 | "(Unix itself has no default).\n\n" | |
216 | "@var{flags} can be constructed by combining variables using @code{logior}.\n" | |
217 | "Basic flags are:\n\n" | |
218 | "@defvar O_RDONLY\n" | |
219 | "Open the file read-only.\n" | |
220 | "@end defvar\n" | |
221 | "@defvar O_WRONLY\n" | |
9401323e | 222 | "Open the file write-only.\n" |
d3818c29 MD |
223 | "@end defvar\n" |
224 | "@defvar O_RDWR\n" | |
225 | "Open the file read/write.\n" | |
226 | "@end defvar\n" | |
227 | "@defvar O_APPEND\n" | |
228 | "Append to the file instead of truncating.\n" | |
229 | "@end defvar\n" | |
230 | "@defvar O_CREAT\n" | |
231 | "Create the file if it does not already exist.\n" | |
232 | "@end defvar\n\n" | |
233 | "See the Unix documentation of the @code{open} system call\n" | |
234 | "for additional flags.") | |
1bbd0b84 | 235 | #define FUNC_NAME s_scm_open |
6afcd3b2 GH |
236 | { |
237 | SCM newpt; | |
238 | char *port_mode; | |
239 | int fd; | |
6afcd3b2 GH |
240 | int iflags; |
241 | ||
e11e83f3 | 242 | fd = scm_to_int (scm_open_fdes (path, flags, mode)); |
1be6b49c | 243 | iflags = SCM_NUM2INT (2, flags); |
126a3224 LC |
244 | |
245 | if ((iflags & O_RDWR) == O_RDWR) | |
77a76b64 | 246 | { |
126a3224 | 247 | /* Opened read-write. */ |
77a76b64 JB |
248 | if (iflags & O_APPEND) |
249 | port_mode = "a+"; | |
250 | else if (iflags & O_CREAT) | |
251 | port_mode = "w+"; | |
252 | else | |
253 | port_mode = "r+"; | |
254 | } | |
126a3224 LC |
255 | else |
256 | { | |
257 | /* Opened read-only or write-only. */ | |
258 | if (iflags & O_APPEND) | |
259 | port_mode = "a"; | |
260 | else if (iflags & O_WRONLY) | |
261 | port_mode = "w"; | |
262 | else | |
263 | port_mode = "r"; | |
264 | } | |
265 | ||
77a76b64 | 266 | newpt = scm_fdes_to_port (fd, port_mode, path); |
3d8d56df | 267 | return newpt; |
0f2d19dd | 268 | } |
1bbd0b84 | 269 | #undef FUNC_NAME |
0f2d19dd | 270 | |
a1ec6916 | 271 | SCM_DEFINE (scm_close, "close", 1, 0, 0, |
1bbd0b84 | 272 | (SCM fd_or_port), |
8f85c0c6 | 273 | "Similar to close-port (@pxref{Closing, close-port}),\n" |
d3818c29 MD |
274 | "but also works on file descriptors. A side\n" |
275 | "effect of closing a file descriptor is that any ports using that file\n" | |
276 | "descriptor are moved to a different file descriptor and have\n" | |
277 | "their revealed counts set to zero.") | |
1bbd0b84 | 278 | #define FUNC_NAME s_scm_close |
eadd48de GH |
279 | { |
280 | int rv; | |
281 | int fd; | |
282 | ||
78446828 MV |
283 | fd_or_port = SCM_COERCE_OUTPORT (fd_or_port); |
284 | ||
0c95b57d | 285 | if (SCM_PORTP (fd_or_port)) |
eadd48de | 286 | return scm_close_port (fd_or_port); |
a55c2b68 | 287 | fd = scm_to_int (fd_or_port); |
eadd48de | 288 | scm_evict_ports (fd); /* see scsh manual. */ |
a9488d12 | 289 | SCM_SYSCALL (rv = close (fd)); |
eadd48de GH |
290 | /* following scsh, closing an already closed file descriptor is |
291 | not an error. */ | |
292 | if (rv < 0 && errno != EBADF) | |
1bbd0b84 | 293 | SCM_SYSERROR; |
7888309b | 294 | return scm_from_bool (rv >= 0); |
eadd48de | 295 | } |
1bbd0b84 | 296 | #undef FUNC_NAME |
eadd48de | 297 | |
c2ca4493 GH |
298 | SCM_DEFINE (scm_close_fdes, "close-fdes", 1, 0, 0, |
299 | (SCM fd), | |
300 | "A simple wrapper for the @code{close} system call.\n" | |
301 | "Close file descriptor @var{fd}, which must be an integer.\n" | |
302 | "Unlike close (@pxref{Ports and File Descriptors, close}),\n" | |
303 | "the file descriptor will be closed even if a port is using it.\n" | |
304 | "The return value is unspecified.") | |
305 | #define FUNC_NAME s_scm_close_fdes | |
306 | { | |
307 | int c_fd; | |
308 | int rv; | |
309 | ||
a55c2b68 | 310 | c_fd = scm_to_int (fd); |
c2ca4493 GH |
311 | SCM_SYSCALL (rv = close (c_fd)); |
312 | if (rv < 0) | |
313 | SCM_SYSERROR; | |
314 | return SCM_UNSPECIFIED; | |
315 | } | |
316 | #undef FUNC_NAME | |
317 | ||
073167ef LC |
318 | #endif /* HAVE_POSIX */ |
319 | ||
0f2d19dd JB |
320 | \f |
321 | /* {Files} | |
322 | */ | |
1cc91f1b | 323 | |
ae5253c5 GH |
324 | SCM_SYMBOL (scm_sym_regular, "regular"); |
325 | SCM_SYMBOL (scm_sym_directory, "directory"); | |
23f2b9a3 | 326 | #ifdef S_ISLNK |
ae5253c5 | 327 | SCM_SYMBOL (scm_sym_symlink, "symlink"); |
f326ecf3 | 328 | #endif |
ae5253c5 GH |
329 | SCM_SYMBOL (scm_sym_block_special, "block-special"); |
330 | SCM_SYMBOL (scm_sym_char_special, "char-special"); | |
331 | SCM_SYMBOL (scm_sym_fifo, "fifo"); | |
332 | SCM_SYMBOL (scm_sym_sock, "socket"); | |
333 | SCM_SYMBOL (scm_sym_unknown, "unknown"); | |
334 | ||
0f2d19dd | 335 | static SCM |
2b829bbb | 336 | scm_stat2scm (struct stat_or_stat64 *stat_temp) |
0f2d19dd | 337 | { |
06bfe276 | 338 | SCM ans = scm_c_make_vector (18, SCM_UNSPECIFIED); |
ae5253c5 | 339 | |
4057a3e0 | 340 | SCM_SIMPLE_VECTOR_SET(ans, 0, scm_from_ulong (stat_temp->st_dev)); |
2b829bbb | 341 | SCM_SIMPLE_VECTOR_SET(ans, 1, scm_from_ino_t_or_ino64_t (stat_temp->st_ino)); |
4057a3e0 MV |
342 | SCM_SIMPLE_VECTOR_SET(ans, 2, scm_from_ulong (stat_temp->st_mode)); |
343 | SCM_SIMPLE_VECTOR_SET(ans, 3, scm_from_ulong (stat_temp->st_nlink)); | |
344 | SCM_SIMPLE_VECTOR_SET(ans, 4, scm_from_ulong (stat_temp->st_uid)); | |
345 | SCM_SIMPLE_VECTOR_SET(ans, 5, scm_from_ulong (stat_temp->st_gid)); | |
1fd85bc5 | 346 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
4057a3e0 | 347 | SCM_SIMPLE_VECTOR_SET(ans, 6, scm_from_ulong (stat_temp->st_rdev)); |
0f2d19dd | 348 | #else |
4057a3e0 | 349 | SCM_SIMPLE_VECTOR_SET(ans, 6, SCM_BOOL_F); |
0f2d19dd | 350 | #endif |
2b829bbb | 351 | SCM_SIMPLE_VECTOR_SET(ans, 7, scm_from_off_t_or_off64_t (stat_temp->st_size)); |
4057a3e0 MV |
352 | SCM_SIMPLE_VECTOR_SET(ans, 8, scm_from_ulong (stat_temp->st_atime)); |
353 | SCM_SIMPLE_VECTOR_SET(ans, 9, scm_from_ulong (stat_temp->st_mtime)); | |
354 | SCM_SIMPLE_VECTOR_SET(ans, 10, scm_from_ulong (stat_temp->st_ctime)); | |
1fd85bc5 | 355 | #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE |
4057a3e0 | 356 | SCM_SIMPLE_VECTOR_SET(ans, 11, scm_from_ulong (stat_temp->st_blksize)); |
0f2d19dd | 357 | #else |
4057a3e0 | 358 | SCM_SIMPLE_VECTOR_SET(ans, 11, scm_from_ulong (4096L)); |
0f2d19dd | 359 | #endif |
1fd85bc5 | 360 | #ifdef HAVE_STRUCT_STAT_ST_BLOCKS |
2b829bbb | 361 | SCM_SIMPLE_VECTOR_SET(ans, 12, scm_from_blkcnt_t_or_blkcnt64_t (stat_temp->st_blocks)); |
0f2d19dd | 362 | #else |
4057a3e0 | 363 | SCM_SIMPLE_VECTOR_SET(ans, 12, SCM_BOOL_F); |
0f2d19dd | 364 | #endif |
ae5253c5 GH |
365 | { |
366 | int mode = stat_temp->st_mode; | |
367 | ||
368 | if (S_ISREG (mode)) | |
4057a3e0 | 369 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_regular); |
ae5253c5 | 370 | else if (S_ISDIR (mode)) |
4057a3e0 | 371 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_directory); |
23f2b9a3 KR |
372 | #ifdef S_ISLNK |
373 | /* systems without symlinks probably don't have S_ISLNK */ | |
ae5253c5 | 374 | else if (S_ISLNK (mode)) |
4057a3e0 | 375 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_symlink); |
f326ecf3 | 376 | #endif |
ae5253c5 | 377 | else if (S_ISBLK (mode)) |
4057a3e0 | 378 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_block_special); |
ae5253c5 | 379 | else if (S_ISCHR (mode)) |
4057a3e0 | 380 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_char_special); |
ae5253c5 | 381 | else if (S_ISFIFO (mode)) |
4057a3e0 | 382 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_fifo); |
e655d034 | 383 | #ifdef S_ISSOCK |
ae5253c5 | 384 | else if (S_ISSOCK (mode)) |
4057a3e0 | 385 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_sock); |
e655d034 | 386 | #endif |
ae5253c5 | 387 | else |
4057a3e0 | 388 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_unknown); |
ae5253c5 | 389 | |
4057a3e0 | 390 | SCM_SIMPLE_VECTOR_SET(ans, 14, scm_from_int ((~S_IFMT) & mode)); |
ae5253c5 GH |
391 | |
392 | /* the layout of the bits in ve[14] is intended to be portable. | |
393 | If there are systems that don't follow the usual convention, | |
394 | the following could be used: | |
395 | ||
396 | tmp = 0; | |
397 | if (S_ISUID & mode) tmp += 1; | |
398 | tmp <<= 1; | |
399 | if (S_IRGRP & mode) tmp += 1; | |
400 | tmp <<= 1; | |
401 | if (S_ISVTX & mode) tmp += 1; | |
402 | tmp <<= 1; | |
403 | if (S_IRUSR & mode) tmp += 1; | |
404 | tmp <<= 1; | |
405 | if (S_IWUSR & mode) tmp += 1; | |
406 | tmp <<= 1; | |
407 | if (S_IXUSR & mode) tmp += 1; | |
408 | tmp <<= 1; | |
409 | if (S_IWGRP & mode) tmp += 1; | |
410 | tmp <<= 1; | |
411 | if (S_IXGRP & mode) tmp += 1; | |
412 | tmp <<= 1; | |
413 | if (S_IROTH & mode) tmp += 1; | |
414 | tmp <<= 1; | |
415 | if (S_IWOTH & mode) tmp += 1; | |
416 | tmp <<= 1; | |
417 | if (S_IXOTH & mode) tmp += 1; | |
418 | ||
4057a3e0 | 419 | SCM_SIMPLE_VECTOR_SET(ans, 14, scm_from_int (tmp)); |
ae5253c5 GH |
420 | |
421 | */ | |
422 | } | |
06bfe276 AW |
423 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
424 | SCM_SIMPLE_VECTOR_SET(ans, 15, scm_from_long (stat_temp->st_atim.tv_nsec)); | |
425 | #else | |
426 | SCM_SIMPLE_VECTOR_SET(ans, 15, SCM_I_MAKINUM (0)); | |
427 | #endif | |
428 | #ifdef HAVE_STRUCT_STAT_ST_MTIM | |
429 | SCM_SIMPLE_VECTOR_SET(ans, 16, scm_from_long (stat_temp->st_mtim.tv_nsec)); | |
430 | #else | |
431 | SCM_SIMPLE_VECTOR_SET(ans, 16, SCM_I_MAKINUM (0)); | |
432 | #endif | |
433 | #ifdef HAVE_STRUCT_STAT_ST_CTIM | |
434 | SCM_SIMPLE_VECTOR_SET(ans, 17, scm_from_ulong (stat_temp->st_ctim.tv_sec)); | |
435 | #else | |
436 | SCM_SIMPLE_VECTOR_SET(ans, 17, SCM_I_MAKINUM (0)); | |
437 | #endif | |
0f2d19dd JB |
438 | |
439 | return ans; | |
440 | } | |
441 | ||
7a17979e AW |
442 | static int |
443 | is_file_name_separator (SCM c) | |
e0c73a1c | 444 | { |
69b6da07 | 445 | if (scm_is_eq (c, SCM_MAKE_CHAR ('/'))) |
7a17979e AW |
446 | return 1; |
447 | #ifdef __MINGW32__ | |
69b6da07 | 448 | if (scm_is_eq (c, SCM_MAKE_CHAR ('\\'))) |
7a17979e AW |
449 | return 1; |
450 | #endif | |
451 | return 0; | |
e0c73a1c | 452 | } |
e0c73a1c | 453 | |
fcb6f5ff AW |
454 | SCM_DEFINE (scm_stat, "stat", 1, 1, 0, |
455 | (SCM object, SCM exception_on_error), | |
1e6808ea | 456 | "Return an object containing various information about the file\n" |
b7e64f8b | 457 | "determined by @var{object}. @var{object} can be a string containing\n" |
1e6808ea MG |
458 | "a file name or a port or integer file descriptor which is open\n" |
459 | "on a file (in which case @code{fstat} is used as the underlying\n" | |
460 | "system call).\n" | |
461 | "\n" | |
fcb6f5ff AW |
462 | "If the optional @var{exception_on_error} argument is true, which\n" |
463 | "is the default, an exception will be raised if the underlying\n" | |
464 | "system call returns an error, for example if the file is not\n" | |
465 | "found or is not readable. Otherwise, an error will cause\n" | |
466 | "@code{stat} to return @code{#f}." | |
467 | "\n" | |
468 | "The object returned by a successful call to @code{stat} can be\n" | |
469 | "passed as a single parameter to the following procedures, all of\n" | |
470 | "which return integers:\n" | |
1e6808ea | 471 | "\n" |
d3818c29 MD |
472 | "@table @code\n" |
473 | "@item stat:dev\n" | |
474 | "The device containing the file.\n" | |
475 | "@item stat:ino\n" | |
1e6808ea MG |
476 | "The file serial number, which distinguishes this file from all\n" |
477 | "other files on the same device.\n" | |
d3818c29 | 478 | "@item stat:mode\n" |
1e6808ea MG |
479 | "The mode of the file. This includes file type information and\n" |
480 | "the file permission bits. See @code{stat:type} and\n" | |
481 | "@code{stat:perms} below.\n" | |
d3818c29 MD |
482 | "@item stat:nlink\n" |
483 | "The number of hard links to the file.\n" | |
484 | "@item stat:uid\n" | |
485 | "The user ID of the file's owner.\n" | |
486 | "@item stat:gid\n" | |
487 | "The group ID of the file.\n" | |
488 | "@item stat:rdev\n" | |
489 | "Device ID; this entry is defined only for character or block\n" | |
490 | "special files.\n" | |
491 | "@item stat:size\n" | |
492 | "The size of a regular file in bytes.\n" | |
493 | "@item stat:atime\n" | |
494 | "The last access time for the file.\n" | |
495 | "@item stat:mtime\n" | |
496 | "The last modification time for the file.\n" | |
497 | "@item stat:ctime\n" | |
498 | "The last modification time for the attributes of the file.\n" | |
499 | "@item stat:blksize\n" | |
1e6808ea MG |
500 | "The optimal block size for reading or writing the file, in\n" |
501 | "bytes.\n" | |
d3818c29 | 502 | "@item stat:blocks\n" |
1e6808ea MG |
503 | "The amount of disk space that the file occupies measured in\n" |
504 | "units of 512 byte blocks.\n" | |
505 | "@end table\n" | |
506 | "\n" | |
d3818c29 | 507 | "In addition, the following procedures return the information\n" |
1e6808ea MG |
508 | "from stat:mode in a more convenient form:\n" |
509 | "\n" | |
d3818c29 MD |
510 | "@table @code\n" |
511 | "@item stat:type\n" | |
512 | "A symbol representing the type of file. Possible values are\n" | |
1e6808ea MG |
513 | "regular, directory, symlink, block-special, char-special, fifo,\n" |
514 | "socket and unknown\n" | |
d3818c29 MD |
515 | "@item stat:perms\n" |
516 | "An integer representing the access permission bits.\n" | |
517 | "@end table") | |
1bbd0b84 | 518 | #define FUNC_NAME s_scm_stat |
0f2d19dd | 519 | { |
6afcd3b2 GH |
520 | int rv; |
521 | int fdes; | |
2b829bbb | 522 | struct stat_or_stat64 stat_temp; |
0f2d19dd | 523 | |
e11e83f3 | 524 | if (scm_is_integer (object)) |
36284627 | 525 | { |
2b829bbb | 526 | SCM_SYSCALL (rv = fstat_or_fstat64 (scm_to_int (object), &stat_temp)); |
36284627 | 527 | } |
7f9994d9 | 528 | else if (scm_is_string (object)) |
36284627 | 529 | { |
7f9994d9 | 530 | char *file = scm_to_locale_string (object); |
2b829bbb | 531 | SCM_SYSCALL (rv = stat_or_stat64 (file, &stat_temp)); |
e0c73a1c | 532 | free (file); |
36284627 | 533 | } |
1ea47048 | 534 | else |
0f2d19dd | 535 | { |
36284627 DH |
536 | object = SCM_COERCE_OUTPORT (object); |
537 | SCM_VALIDATE_OPFPORT (1, object); | |
538 | fdes = SCM_FPORT_FDES (object); | |
2b829bbb | 539 | SCM_SYSCALL (rv = fstat_or_fstat64 (fdes, &stat_temp)); |
6afcd3b2 | 540 | } |
36284627 | 541 | |
6afcd3b2 | 542 | if (rv == -1) |
3d8d56df | 543 | { |
fcb6f5ff AW |
544 | if (SCM_UNBNDP (exception_on_error) || scm_is_true (exception_on_error)) |
545 | { | |
546 | int en = errno; | |
547 | SCM_SYSERROR_MSG ("~A: ~S", | |
548 | scm_list_2 (scm_strerror (scm_from_int (en)), | |
549 | object), | |
550 | en); | |
551 | } | |
552 | else | |
553 | return SCM_BOOL_F; | |
3d8d56df | 554 | } |
02b754d3 | 555 | return scm_stat2scm (&stat_temp); |
0f2d19dd | 556 | } |
1bbd0b84 | 557 | #undef FUNC_NAME |
0f2d19dd | 558 | |
d0476fa2 LC |
559 | SCM_DEFINE (scm_lstat, "lstat", 1, 0, 0, |
560 | (SCM str), | |
561 | "Similar to @code{stat}, but does not follow symbolic links, i.e.,\n" | |
562 | "it will return information about a symbolic link itself, not the\n" | |
b7e64f8b | 563 | "file it points to. @var{str} must be a string.") |
d0476fa2 LC |
564 | #define FUNC_NAME s_scm_lstat |
565 | { | |
566 | int rv; | |
567 | struct stat_or_stat64 stat_temp; | |
568 | ||
569 | STRING_SYSCALL (str, c_str, rv = lstat_or_lstat64 (c_str, &stat_temp)); | |
570 | if (rv != 0) | |
571 | { | |
572 | int en = errno; | |
573 | ||
574 | SCM_SYSERROR_MSG ("~A: ~S", | |
575 | scm_list_2 (scm_strerror (scm_from_int (en)), str), | |
576 | en); | |
577 | } | |
578 | return scm_stat2scm (&stat_temp); | |
579 | } | |
580 | #undef FUNC_NAME | |
d0476fa2 | 581 | |
0f2d19dd | 582 | \f |
073167ef LC |
583 | #ifdef HAVE_POSIX |
584 | ||
0f2d19dd JB |
585 | /* {Modifying Directories} |
586 | */ | |
587 | ||
a1ec6916 | 588 | SCM_DEFINE (scm_link, "link", 2, 0, 0, |
1bbd0b84 | 589 | (SCM oldpath, SCM newpath), |
6d36532c GH |
590 | "Creates a new name @var{newpath} in the file system for the\n" |
591 | "file named by @var{oldpath}. If @var{oldpath} is a symbolic\n" | |
592 | "link, the link may or may not be followed depending on the\n" | |
593 | "system.") | |
1bbd0b84 | 594 | #define FUNC_NAME s_scm_link |
0f2d19dd JB |
595 | { |
596 | int val; | |
02b754d3 | 597 | |
1299a0f1 MV |
598 | STRING2_SYSCALL (oldpath, c_oldpath, |
599 | newpath, c_newpath, | |
600 | val = link (c_oldpath, c_newpath)); | |
02b754d3 | 601 | if (val != 0) |
1bbd0b84 | 602 | SCM_SYSERROR; |
02b754d3 | 603 | return SCM_UNSPECIFIED; |
0f2d19dd | 604 | } |
1bbd0b84 | 605 | #undef FUNC_NAME |
0f2d19dd | 606 | |
0f2d19dd | 607 | \f |
0f2d19dd JB |
608 | /* {Navigating Directories} |
609 | */ | |
610 | ||
611 | ||
a1ec6916 | 612 | SCM_DEFINE (scm_chdir, "chdir", 1, 0, 0, |
1bbd0b84 | 613 | (SCM str), |
b7e64f8b | 614 | "Change the current working directory to @var{str}.\n" |
d3818c29 | 615 | "The return value is unspecified.") |
1bbd0b84 | 616 | #define FUNC_NAME s_scm_chdir |
0f2d19dd JB |
617 | { |
618 | int ans; | |
02b754d3 | 619 | |
1299a0f1 | 620 | STRING_SYSCALL (str, c_str, ans = chdir (c_str)); |
02b754d3 | 621 | if (ans != 0) |
1bbd0b84 | 622 | SCM_SYSERROR; |
02b754d3 | 623 | return SCM_UNSPECIFIED; |
0f2d19dd | 624 | } |
1bbd0b84 | 625 | #undef FUNC_NAME |
0f2d19dd | 626 | |
0f2d19dd JB |
627 | \f |
628 | ||
28d77376 GH |
629 | /* check that element is a port or file descriptor. if it's a port |
630 | and its buffer is ready for use, add it to the ports_ready list. | |
631 | otherwise add its file descriptor to *set. the type of list can be | |
632 | determined from pos: SCM_ARG1 for reads, SCM_ARG2 for writes, | |
633 | SCM_ARG3 for excepts. */ | |
cafc12ff | 634 | static int |
ba59471e | 635 | set_element (fd_set *set, SCM *ports_ready, SCM element, int pos) |
a48a89bc | 636 | { |
cafc12ff | 637 | int fd; |
d831b039 | 638 | |
e11e83f3 | 639 | if (scm_is_integer (element)) |
28d77376 | 640 | { |
e11e83f3 | 641 | fd = scm_to_int (element); |
28d77376 GH |
642 | } |
643 | else | |
644 | { | |
645 | int use_buf = 0; | |
646 | ||
647 | element = SCM_COERCE_OUTPORT (element); | |
648 | SCM_ASSERT (SCM_OPFPORTP (element), element, pos, "select"); | |
649 | if (pos == SCM_ARG1) | |
650 | { | |
651 | /* check whether port has buffered input. */ | |
92c2555f | 652 | scm_t_port *pt = SCM_PTAB_ENTRY (element); |
28d77376 GH |
653 | |
654 | if (pt->read_pos < pt->read_end) | |
655 | use_buf = 1; | |
656 | } | |
657 | else if (pos == SCM_ARG2) | |
658 | { | |
659 | /* check whether port's output buffer has room. */ | |
92c2555f | 660 | scm_t_port *pt = SCM_PTAB_ENTRY (element); |
28d77376 GH |
661 | |
662 | /* > 1 since writing the last byte in the buffer causes flush. */ | |
663 | if (pt->write_end - pt->write_pos > 1) | |
664 | use_buf = 1; | |
665 | } | |
666 | fd = use_buf ? -1 : SCM_FPORT_FDES (element); | |
667 | } | |
668 | if (fd == -1) | |
669 | *ports_ready = scm_cons (element, *ports_ready); | |
670 | else | |
671 | FD_SET (fd, set); | |
cafc12ff | 672 | return fd; |
a48a89bc | 673 | } |
1cc91f1b | 674 | |
28d77376 GH |
675 | /* check list_or_vec, a list or vector of ports or file descriptors, |
676 | adding each member to either the ports_ready list (if it's a port | |
677 | with a usable buffer) or to *set. the kind of list_or_vec can be | |
678 | determined from pos: SCM_ARG1 for reads, SCM_ARG2 for writes, | |
679 | SCM_ARG3 for excepts. */ | |
cafc12ff | 680 | static int |
ba59471e | 681 | fill_select_type (fd_set *set, SCM *ports_ready, SCM list_or_vec, int pos) |
0f2d19dd | 682 | { |
28d77376 GH |
683 | int max_fd = 0; |
684 | ||
d7473131 | 685 | if (scm_is_vector (list_or_vec)) |
0f2d19dd | 686 | { |
4057a3e0 | 687 | int i = SCM_SIMPLE_VECTOR_LENGTH (list_or_vec); |
a48a89bc | 688 | |
28d77376 | 689 | while (--i >= 0) |
a48a89bc | 690 | { |
4057a3e0 MV |
691 | int fd = set_element (set, ports_ready, |
692 | SCM_SIMPLE_VECTOR_REF (list_or_vec, i), pos); | |
28d77376 | 693 | |
cafc12ff MD |
694 | if (fd > max_fd) |
695 | max_fd = fd; | |
a48a89bc GH |
696 | } |
697 | } | |
698 | else | |
699 | { | |
c96d76b8 | 700 | while (!SCM_NULL_OR_NIL_P (list_or_vec)) |
a48a89bc | 701 | { |
28d77376 GH |
702 | int fd = set_element (set, ports_ready, SCM_CAR (list_or_vec), pos); |
703 | ||
cafc12ff MD |
704 | if (fd > max_fd) |
705 | max_fd = fd; | |
28d77376 | 706 | list_or_vec = SCM_CDR (list_or_vec); |
a48a89bc | 707 | } |
0f2d19dd | 708 | } |
cafc12ff MD |
709 | |
710 | return max_fd; | |
0f2d19dd JB |
711 | } |
712 | ||
28d77376 GH |
713 | /* if element (a file descriptor or port) appears in *set, cons it to |
714 | list. return list. */ | |
a48a89bc | 715 | static SCM |
ba59471e | 716 | get_element (fd_set *set, SCM element, SCM list) |
a48a89bc | 717 | { |
28d77376 GH |
718 | int fd; |
719 | ||
e11e83f3 | 720 | if (scm_is_integer (element)) |
a48a89bc | 721 | { |
e11e83f3 | 722 | fd = scm_to_int (element); |
a48a89bc | 723 | } |
28d77376 | 724 | else |
a48a89bc | 725 | { |
28d77376 | 726 | fd = SCM_FPORT_FDES (SCM_COERCE_OUTPORT (element)); |
a48a89bc | 727 | } |
28d77376 GH |
728 | if (FD_ISSET (fd, set)) |
729 | list = scm_cons (element, list); | |
a48a89bc GH |
730 | return list; |
731 | } | |
1cc91f1b | 732 | |
28d77376 GH |
733 | /* construct component of scm_select return value. |
734 | set: pointer to set of file descriptors found by select to be ready | |
735 | ports_ready: ports ready due to buffering | |
736 | list_or_vec: original list/vector handed to scm_select. | |
737 | the return value is a list/vector of ready ports/file descriptors. | |
738 | works by finding the objects in list which correspond to members of | |
739 | *set and appending them to ports_ready. result is converted to a | |
740 | vector if list_or_vec is a vector. */ | |
0f2d19dd | 741 | static SCM |
ba59471e | 742 | retrieve_select_type (fd_set *set, SCM ports_ready, SCM list_or_vec) |
0f2d19dd | 743 | { |
28d77376 | 744 | SCM answer_list = ports_ready; |
a48a89bc | 745 | |
d7473131 | 746 | if (scm_is_vector (list_or_vec)) |
0f2d19dd | 747 | { |
4057a3e0 | 748 | int i = SCM_SIMPLE_VECTOR_LENGTH (list_or_vec); |
a48a89bc | 749 | |
28d77376 | 750 | while (--i >= 0) |
0f2d19dd | 751 | { |
4057a3e0 MV |
752 | answer_list = get_element (set, |
753 | SCM_SIMPLE_VECTOR_REF (list_or_vec, i), | |
754 | answer_list); | |
0f2d19dd | 755 | } |
a48a89bc GH |
756 | return scm_vector (answer_list); |
757 | } | |
758 | else | |
759 | { | |
28d77376 | 760 | /* list_or_vec must be a list. */ |
c96d76b8 | 761 | while (!SCM_NULL_OR_NIL_P (list_or_vec)) |
0f2d19dd | 762 | { |
28d77376 GH |
763 | answer_list = get_element (set, SCM_CAR (list_or_vec), answer_list); |
764 | list_or_vec = SCM_CDR (list_or_vec); | |
0f2d19dd | 765 | } |
a48a89bc | 766 | return answer_list; |
0f2d19dd | 767 | } |
0f2d19dd JB |
768 | } |
769 | ||
1bbd0b84 | 770 | /* Static helper functions above refer to s_scm_select directly as s_select */ |
a1ec6916 | 771 | SCM_DEFINE (scm_select, "select", 3, 2, 0, |
1bbd0b84 | 772 | (SCM reads, SCM writes, SCM excepts, SCM secs, SCM usecs), |
28d77376 | 773 | "This procedure has a variety of uses: waiting for the ability\n" |
bb2c02f2 | 774 | "to provide input, accept output, or the existence of\n" |
28d77376 GH |
775 | "exceptional conditions on a collection of ports or file\n" |
776 | "descriptors, or waiting for a timeout to occur.\n" | |
777 | "It also returns if interrupted by a signal.\n\n" | |
778 | "@var{reads}, @var{writes} and @var{excepts} can be lists or\n" | |
779 | "vectors, with each member a port or a file descriptor.\n" | |
780 | "The value returned is a list of three corresponding\n" | |
781 | "lists or vectors containing only the members which meet the\n" | |
782 | "specified requirement. The ability of port buffers to\n" | |
783 | "provide input or accept output is taken into account.\n" | |
784 | "Ordering of the input lists or vectors is not preserved.\n\n" | |
785 | "The optional arguments @var{secs} and @var{usecs} specify the\n" | |
786 | "timeout. Either @var{secs} can be specified alone, as\n" | |
787 | "either an integer or a real number, or both @var{secs} and\n" | |
788 | "@var{usecs} can be specified as integers, in which case\n" | |
789 | "@var{usecs} is an additional timeout expressed in\n" | |
790 | "microseconds. If @var{secs} is omitted or is @code{#f} then\n" | |
791 | "select will wait for as long as it takes for one of the other\n" | |
792 | "conditions to be satisfied.\n\n" | |
793 | "The scsh version of @code{select} differs as follows:\n" | |
794 | "Only vectors are accepted for the first three arguments.\n" | |
795 | "The @var{usecs} argument is not supported.\n" | |
796 | "Multiple values are returned instead of a list.\n" | |
797 | "Duplicates in the input vectors appear only once in output.\n" | |
9401323e | 798 | "An additional @code{select!} interface is provided.") |
1bbd0b84 | 799 | #define FUNC_NAME s_scm_select |
0f2d19dd | 800 | { |
0f2d19dd | 801 | struct timeval timeout; |
28d77376 | 802 | struct timeval * time_ptr; |
ba59471e AW |
803 | fd_set read_set; |
804 | fd_set write_set; | |
805 | fd_set except_set; | |
28d77376 GH |
806 | int read_count; |
807 | int write_count; | |
808 | int except_count; | |
809 | /* these lists accumulate ports which are ready due to buffering. | |
810 | their file descriptors don't need to be added to the select sets. */ | |
811 | SCM read_ports_ready = SCM_EOL; | |
812 | SCM write_ports_ready = SCM_EOL; | |
813 | int max_fd; | |
814 | ||
d7473131 | 815 | if (scm_is_vector (reads)) |
28d77376 | 816 | { |
4057a3e0 | 817 | read_count = SCM_SIMPLE_VECTOR_LENGTH (reads); |
28d77376 GH |
818 | } |
819 | else | |
820 | { | |
821 | read_count = scm_ilength (reads); | |
822 | SCM_ASSERT (read_count >= 0, reads, SCM_ARG1, FUNC_NAME); | |
823 | } | |
d7473131 | 824 | if (scm_is_vector (writes)) |
28d77376 | 825 | { |
4057a3e0 | 826 | write_count = SCM_SIMPLE_VECTOR_LENGTH (writes); |
28d77376 GH |
827 | } |
828 | else | |
829 | { | |
830 | write_count = scm_ilength (writes); | |
831 | SCM_ASSERT (write_count >= 0, writes, SCM_ARG2, FUNC_NAME); | |
832 | } | |
d7473131 | 833 | if (scm_is_vector (excepts)) |
28d77376 | 834 | { |
4057a3e0 | 835 | except_count = SCM_SIMPLE_VECTOR_LENGTH (excepts); |
28d77376 GH |
836 | } |
837 | else | |
838 | { | |
839 | except_count = scm_ilength (excepts); | |
840 | SCM_ASSERT (except_count >= 0, excepts, SCM_ARG3, FUNC_NAME); | |
841 | } | |
0f2d19dd JB |
842 | |
843 | FD_ZERO (&read_set); | |
844 | FD_ZERO (&write_set); | |
845 | FD_ZERO (&except_set); | |
846 | ||
28d77376 GH |
847 | max_fd = fill_select_type (&read_set, &read_ports_ready, reads, SCM_ARG1); |
848 | ||
849 | { | |
850 | int write_max = fill_select_type (&write_set, &write_ports_ready, | |
851 | writes, SCM_ARG2); | |
852 | int except_max = fill_select_type (&except_set, NULL, | |
853 | excepts, SCM_ARG3); | |
854 | ||
855 | if (write_max > max_fd) | |
856 | max_fd = write_max; | |
857 | if (except_max > max_fd) | |
858 | max_fd = except_max; | |
859 | } | |
0f2d19dd | 860 | |
ae1b098b GH |
861 | /* if there's a port with a ready buffer, don't block, just |
862 | check for ready file descriptors. */ | |
d2e53ed6 | 863 | if (!scm_is_null (read_ports_ready) || !scm_is_null (write_ports_ready)) |
ae1b098b GH |
864 | { |
865 | timeout.tv_sec = 0; | |
866 | timeout.tv_usec = 0; | |
867 | time_ptr = &timeout; | |
868 | } | |
7888309b | 869 | else if (SCM_UNBNDP (secs) || scm_is_false (secs)) |
28d77376 | 870 | time_ptr = 0; |
0f2d19dd JB |
871 | else |
872 | { | |
a55c2b68 | 873 | if (scm_is_unsigned_integer (secs, 0, ULONG_MAX)) |
a48a89bc | 874 | { |
a55c2b68 | 875 | timeout.tv_sec = scm_to_ulong (secs); |
a48a89bc GH |
876 | if (SCM_UNBNDP (usecs)) |
877 | timeout.tv_usec = 0; | |
878 | else | |
a55c2b68 | 879 | timeout.tv_usec = scm_to_long (usecs); |
a48a89bc | 880 | } |
0f2d19dd | 881 | else |
a48a89bc | 882 | { |
d9a67fc4 | 883 | double fl = scm_to_double (secs); |
a48a89bc GH |
884 | |
885 | if (!SCM_UNBNDP (usecs)) | |
c1bfcf60 | 886 | SCM_WRONG_TYPE_ARG (4, secs); |
a48a89bc | 887 | if (fl > LONG_MAX) |
c1bfcf60 | 888 | SCM_OUT_OF_RANGE (4, secs); |
a48a89bc GH |
889 | timeout.tv_sec = (long) fl; |
890 | timeout.tv_usec = (long) ((fl - timeout.tv_sec) * 1000000); | |
891 | } | |
28d77376 | 892 | time_ptr = &timeout; |
0f2d19dd JB |
893 | } |
894 | ||
28d77376 | 895 | { |
ba59471e AW |
896 | int rv = select (max_fd + 1, |
897 | &read_set, &write_set, &except_set, | |
898 | time_ptr); | |
28d77376 GH |
899 | if (rv < 0) |
900 | SCM_SYSERROR; | |
901 | } | |
1afff620 KN |
902 | return scm_list_3 (retrieve_select_type (&read_set, read_ports_ready, reads), |
903 | retrieve_select_type (&write_set, write_ports_ready, writes), | |
904 | retrieve_select_type (&except_set, SCM_EOL, excepts)); | |
0f2d19dd | 905 | } |
1bbd0b84 | 906 | #undef FUNC_NAME |
0f2d19dd JB |
907 | |
908 | \f | |
4c1feaa5 | 909 | |
82893676 | 910 | #ifdef HAVE_FCNTL |
af45e3b0 | 911 | SCM_DEFINE (scm_fcntl, "fcntl", 2, 1, 0, |
1bbd0b84 | 912 | (SCM object, SCM cmd, SCM value), |
b7e64f8b | 913 | "Apply @var{cmd} to the specified file descriptor or the underlying\n" |
d3818c29 MD |
914 | "file descriptor of the specified port. @var{value} is an optional\n" |
915 | "integer argument.\n\n" | |
b7e64f8b | 916 | "Values for @var{cmd} are:\n\n" |
d3818c29 MD |
917 | "@table @code\n" |
918 | "@item F_DUPFD\n" | |
919 | "Duplicate a file descriptor\n" | |
920 | "@item F_GETFD\n" | |
921 | "Get flags associated with the file descriptor.\n" | |
922 | "@item F_SETFD\n" | |
923 | "Set flags associated with the file descriptor to @var{value}.\n" | |
924 | "@item F_GETFL\n" | |
925 | "Get flags associated with the open file.\n" | |
926 | "@item F_SETFL\n" | |
927 | "Set flags associated with the open file to @var{value}\n" | |
928 | "@item F_GETOWN\n" | |
929 | "Get the process ID of a socket's owner, for @code{SIGIO} signals.\n" | |
930 | "@item F_SETOWN\n" | |
931 | "Set the process that owns a socket to @var{value}, for @code{SIGIO} signals.\n" | |
932 | "@item FD_CLOEXEC\n" | |
55892d87 NJ |
933 | "The value used to indicate the \"close on exec\" flag with @code{F_GETFL} or\n" |
934 | "@code{F_SETFL}.\n" | |
a3c8b9fc | 935 | "@end table") |
1bbd0b84 | 936 | #define FUNC_NAME s_scm_fcntl |
4c1feaa5 JB |
937 | { |
938 | int rv; | |
6afcd3b2 GH |
939 | int fdes; |
940 | int ivalue; | |
4c1feaa5 | 941 | |
78446828 MV |
942 | object = SCM_COERCE_OUTPORT (object); |
943 | ||
0c95b57d | 944 | if (SCM_OPFPORTP (object)) |
77a76b64 | 945 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 | 946 | else |
a55c2b68 | 947 | fdes = scm_to_int (object); |
af45e3b0 | 948 | |
a55c2b68 | 949 | if (SCM_UNBNDP (value)) |
6afcd3b2 | 950 | ivalue = 0; |
a55c2b68 MV |
951 | else |
952 | ivalue = scm_to_int (value); | |
af45e3b0 | 953 | |
a55c2b68 | 954 | SCM_SYSCALL (rv = fcntl (fdes, scm_to_int (cmd), ivalue)); |
77a76b64 | 955 | if (rv == -1) |
1bbd0b84 | 956 | SCM_SYSERROR; |
a55c2b68 | 957 | return scm_from_int (rv); |
4c1feaa5 | 958 | } |
1bbd0b84 | 959 | #undef FUNC_NAME |
82893676 | 960 | #endif /* HAVE_FCNTL */ |
6afcd3b2 | 961 | |
a1ec6916 | 962 | SCM_DEFINE (scm_fsync, "fsync", 1, 0, 0, |
1bbd0b84 | 963 | (SCM object), |
b7e64f8b BT |
964 | "Copies any unwritten data for the specified output file\n" |
965 | "descriptor to disk. If @var{object} is a port, its buffer is\n" | |
966 | "flushed before the underlying file descriptor is fsync'd.\n" | |
d3818c29 | 967 | "The return value is unspecified.") |
1bbd0b84 | 968 | #define FUNC_NAME s_scm_fsync |
6afcd3b2 GH |
969 | { |
970 | int fdes; | |
971 | ||
78446828 MV |
972 | object = SCM_COERCE_OUTPORT (object); |
973 | ||
0c95b57d | 974 | if (SCM_OPFPORTP (object)) |
6afcd3b2 | 975 | { |
4251ae2e | 976 | scm_flush_unlocked (object); |
77a76b64 | 977 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 GH |
978 | } |
979 | else | |
a55c2b68 MV |
980 | fdes = scm_to_int (object); |
981 | ||
6afcd3b2 | 982 | if (fsync (fdes) == -1) |
1bbd0b84 | 983 | SCM_SYSERROR; |
6afcd3b2 GH |
984 | return SCM_UNSPECIFIED; |
985 | } | |
1bbd0b84 | 986 | #undef FUNC_NAME |
0f2d19dd | 987 | |
f25f761d | 988 | #ifdef HAVE_SYMLINK |
a1ec6916 | 989 | SCM_DEFINE (scm_symlink, "symlink", 2, 0, 0, |
1bbd0b84 | 990 | (SCM oldpath, SCM newpath), |
b7e64f8b BT |
991 | "Create a symbolic link named @var{oldpath} with the value\n" |
992 | "(i.e., pointing to) @var{newpath}. The return value is\n" | |
993 | "unspecified.") | |
1bbd0b84 | 994 | #define FUNC_NAME s_scm_symlink |
0f2d19dd | 995 | { |
0f2d19dd | 996 | int val; |
02b754d3 | 997 | |
1299a0f1 MV |
998 | STRING2_SYSCALL (oldpath, c_oldpath, |
999 | newpath, c_newpath, | |
1000 | val = symlink (c_oldpath, c_newpath)); | |
02b754d3 | 1001 | if (val != 0) |
1bbd0b84 | 1002 | SCM_SYSERROR; |
02b754d3 | 1003 | return SCM_UNSPECIFIED; |
0f2d19dd | 1004 | } |
1bbd0b84 | 1005 | #undef FUNC_NAME |
f25f761d | 1006 | #endif /* HAVE_SYMLINK */ |
0f2d19dd | 1007 | |
a1ec6916 | 1008 | SCM_DEFINE (scm_readlink, "readlink", 1, 0, 0, |
1bbd0b84 | 1009 | (SCM path), |
1e6808ea MG |
1010 | "Return the value of the symbolic link named by @var{path} (a\n" |
1011 | "string), i.e., the file that the link points to.") | |
1bbd0b84 | 1012 | #define FUNC_NAME s_scm_readlink |
0f2d19dd | 1013 | { |
6a738a25 JB |
1014 | int rv; |
1015 | int size = 100; | |
0f2d19dd JB |
1016 | char *buf; |
1017 | SCM result; | |
1299a0f1 MV |
1018 | char *c_path; |
1019 | ||
661ae7ab | 1020 | scm_dynwind_begin (0); |
1299a0f1 MV |
1021 | |
1022 | c_path = scm_to_locale_string (path); | |
661ae7ab | 1023 | scm_dynwind_free (c_path); |
1299a0f1 | 1024 | |
4c9419ac | 1025 | buf = scm_malloc (size); |
1299a0f1 MV |
1026 | |
1027 | while ((rv = readlink (c_path, buf, size)) == size) | |
0f2d19dd | 1028 | { |
4c9419ac | 1029 | free (buf); |
0f2d19dd | 1030 | size *= 2; |
4c9419ac | 1031 | buf = scm_malloc (size); |
0f2d19dd | 1032 | } |
02b754d3 | 1033 | if (rv == -1) |
11e1db06 KR |
1034 | { |
1035 | int save_errno = errno; | |
1036 | free (buf); | |
1037 | errno = save_errno; | |
1038 | SCM_SYSERROR; | |
1039 | } | |
1299a0f1 MV |
1040 | result = scm_take_locale_stringn (buf, rv); |
1041 | ||
661ae7ab | 1042 | scm_dynwind_end (); |
0f2d19dd | 1043 | return result; |
0f2d19dd | 1044 | } |
1bbd0b84 | 1045 | #undef FUNC_NAME |
0f2d19dd | 1046 | |
a1ec6916 | 1047 | SCM_DEFINE (scm_copy_file, "copy-file", 2, 0, 0, |
1bbd0b84 | 1048 | (SCM oldfile, SCM newfile), |
b7e64f8b | 1049 | "Copy the file specified by @var{oldfile} to @var{newfile}.\n" |
d3818c29 | 1050 | "The return value is unspecified.") |
1bbd0b84 | 1051 | #define FUNC_NAME s_scm_copy_file |
0f2d19dd | 1052 | { |
1299a0f1 | 1053 | char *c_oldfile, *c_newfile; |
0f2d19dd | 1054 | int oldfd, newfd; |
37eb673b | 1055 | int n, rv; |
77a76b64 | 1056 | char buf[BUFSIZ]; |
2b829bbb | 1057 | struct stat_or_stat64 oldstat; |
0f2d19dd | 1058 | |
661ae7ab | 1059 | scm_dynwind_begin (0); |
1299a0f1 MV |
1060 | |
1061 | c_oldfile = scm_to_locale_string (oldfile); | |
661ae7ab | 1062 | scm_dynwind_free (c_oldfile); |
1299a0f1 | 1063 | c_newfile = scm_to_locale_string (newfile); |
661ae7ab | 1064 | scm_dynwind_free (c_newfile); |
37eb673b | 1065 | |
5a4a4454 | 1066 | oldfd = open_or_open64 (c_oldfile, O_RDONLY | O_BINARY); |
0f2d19dd | 1067 | if (oldfd == -1) |
1bbd0b84 | 1068 | SCM_SYSERROR; |
02b754d3 | 1069 | |
2b829bbb | 1070 | SCM_SYSCALL (rv = fstat_or_fstat64 (oldfd, &oldstat)); |
37eb673b KR |
1071 | if (rv == -1) |
1072 | goto err_close_oldfd; | |
1073 | ||
02b754d3 | 1074 | /* use POSIX flags instead of 07777?. */ |
2b829bbb KR |
1075 | newfd = open_or_open64 (c_newfile, O_WRONLY | O_CREAT | O_TRUNC, |
1076 | oldstat.st_mode & 07777); | |
0f2d19dd | 1077 | if (newfd == -1) |
01046395 | 1078 | { |
37eb673b | 1079 | err_close_oldfd: |
01046395 KR |
1080 | close (oldfd); |
1081 | SCM_SYSERROR; | |
1082 | } | |
02b754d3 | 1083 | |
0f2d19dd JB |
1084 | while ((n = read (oldfd, buf, sizeof buf)) > 0) |
1085 | if (write (newfd, buf, n) != n) | |
1086 | { | |
1087 | close (oldfd); | |
1088 | close (newfd); | |
1bbd0b84 | 1089 | SCM_SYSERROR; |
0f2d19dd JB |
1090 | } |
1091 | close (oldfd); | |
1092 | if (close (newfd) == -1) | |
1bbd0b84 | 1093 | SCM_SYSERROR; |
1299a0f1 | 1094 | |
661ae7ab | 1095 | scm_dynwind_end (); |
02b754d3 | 1096 | return SCM_UNSPECIFIED; |
0f2d19dd | 1097 | } |
1bbd0b84 | 1098 | #undef FUNC_NAME |
0f2d19dd | 1099 | |
fbac7c61 LC |
1100 | SCM_DEFINE (scm_sendfile, "sendfile", 3, 1, 0, |
1101 | (SCM out, SCM in, SCM count, SCM offset), | |
1102 | "Send @var{count} bytes from @var{in} to @var{out}, both of which " | |
e0886e07 | 1103 | "must be either open file ports or file descriptors. When " |
fbac7c61 | 1104 | "@var{offset} is omitted, start reading from @var{in}'s current " |
e0886e07 LC |
1105 | "position; otherwise, start reading at @var{offset}. Return " |
1106 | "the number of bytes actually sent.") | |
fbac7c61 LC |
1107 | #define FUNC_NAME s_scm_sendfile |
1108 | { | |
1109 | #define VALIDATE_FD_OR_PORT(cvar, svar, pos) \ | |
1110 | if (scm_is_integer (svar)) \ | |
1111 | cvar = scm_to_int (svar); \ | |
1112 | else \ | |
1113 | { \ | |
1114 | SCM_VALIDATE_OPFPORT (pos, svar); \ | |
1115 | scm_flush (svar); \ | |
1116 | cvar = SCM_FPORT_FDES (svar); \ | |
1117 | } | |
1118 | ||
e0886e07 LC |
1119 | ssize_t result SCM_UNUSED; |
1120 | size_t c_count, total = 0; | |
fbac7c61 | 1121 | scm_t_off c_offset; |
fbac7c61 LC |
1122 | int in_fd, out_fd; |
1123 | ||
1124 | VALIDATE_FD_OR_PORT (out_fd, out, 1); | |
1125 | VALIDATE_FD_OR_PORT (in_fd, in, 2); | |
1126 | c_count = scm_to_size_t (count); | |
1127 | c_offset = SCM_UNBNDP (offset) ? 0 : scm_to_off_t (offset); | |
1128 | ||
11ed4277 LC |
1129 | #if defined HAVE_SYS_SENDFILE_H && defined HAVE_SENDFILE |
1130 | /* The Linux-style sendfile(2), which is different from the BSD-style. */ | |
1131 | ||
e0886e07 LC |
1132 | { |
1133 | off_t *offset_ptr; | |
1134 | ||
1135 | offset_ptr = SCM_UNBNDP (offset) ? NULL : &c_offset; | |
1136 | ||
1137 | /* On Linux, when OUT_FD is a file, everything is transferred at once and | |
1138 | RESULT == C_COUNT. However, when OUT_FD is a pipe or other "slow" | |
1139 | device, fewer bytes may be transferred, hence the loop. RESULT == 0 | |
1140 | means EOF on IN_FD, so leave the loop in that case. */ | |
1141 | do | |
1142 | { | |
1143 | result = sendfile_or_sendfile64 (out_fd, in_fd, offset_ptr, | |
1144 | c_count - total); | |
1145 | if (result > 0) | |
1146 | /* At this point, either OFFSET_PTR is non-NULL and it has been | |
1147 | updated to the current offset in IN_FD, or it is NULL and IN_FD's | |
1148 | offset has been updated. */ | |
1149 | total += result; | |
1150 | else if (result < 0 && (errno == EINTR || errno == EAGAIN)) | |
1151 | /* Keep going. */ | |
7f3be1db | 1152 | result = 1; |
e0886e07 LC |
1153 | } |
1154 | while (total < c_count && result > 0); | |
1155 | } | |
fbac7c61 LC |
1156 | |
1157 | /* Quoting the Linux man page: "In Linux kernels before 2.6.33, out_fd | |
1158 | must refer to a socket. Since Linux 2.6.33 it can be any file." | |
1159 | Fall back to read(2) and write(2) when such an error occurs. */ | |
1160 | if (result < 0 && errno != EINVAL && errno != ENOSYS) | |
1161 | SCM_SYSERROR; | |
1162 | else if (result < 0) | |
1163 | #endif | |
1164 | { | |
1165 | char buf[8192]; | |
e0886e07 | 1166 | size_t left; |
7f3be1db | 1167 | int reached_eof = 0; |
fbac7c61 LC |
1168 | |
1169 | if (!SCM_UNBNDP (offset)) | |
1170 | { | |
1171 | if (SCM_PORTP (in)) | |
e0886e07 | 1172 | scm_seek (in, scm_from_off_t (c_offset), scm_from_int (SEEK_SET)); |
fbac7c61 | 1173 | else |
f28885f4 LC |
1174 | { |
1175 | if (lseek_or_lseek64 (in_fd, c_offset, SEEK_SET) < 0) | |
1176 | SCM_SYSERROR; | |
1177 | } | |
fbac7c61 LC |
1178 | } |
1179 | ||
7f3be1db | 1180 | for (total = 0, left = c_count; total < c_count && !reached_eof; ) |
fbac7c61 | 1181 | { |
7f3be1db | 1182 | size_t asked, obtained, written; |
fbac7c61 | 1183 | |
5a706f03 | 1184 | asked = MIN (sizeof buf, left); |
fbac7c61 LC |
1185 | obtained = full_read (in_fd, buf, asked); |
1186 | if (obtained < asked) | |
7f3be1db MW |
1187 | { |
1188 | if (errno == 0) | |
1189 | reached_eof = 1; | |
1190 | else | |
1191 | SCM_SYSERROR; | |
1192 | } | |
fbac7c61 LC |
1193 | |
1194 | left -= obtained; | |
1195 | ||
7f3be1db MW |
1196 | written = full_write (out_fd, buf, obtained); |
1197 | if (written < obtained) | |
fbac7c61 LC |
1198 | SCM_SYSERROR; |
1199 | ||
7f3be1db | 1200 | total += written; |
fbac7c61 LC |
1201 | } |
1202 | ||
fbac7c61 LC |
1203 | } |
1204 | ||
e0886e07 | 1205 | return scm_from_size_t (total); |
fbac7c61 LC |
1206 | |
1207 | #undef VALIDATE_FD_OR_PORT | |
1208 | } | |
1209 | #undef FUNC_NAME | |
1210 | ||
073167ef LC |
1211 | #endif /* HAVE_POSIX */ |
1212 | ||
1213 | \f | |
1214 | /* Essential procedures used in (system base compile). */ | |
1215 | ||
1216 | #ifdef HAVE_GETCWD | |
1217 | SCM_DEFINE (scm_getcwd, "getcwd", 0, 0, 0, | |
1218 | (), | |
1219 | "Return the name of the current working directory.") | |
1220 | #define FUNC_NAME s_scm_getcwd | |
1221 | { | |
1222 | char *rv; | |
1223 | size_t size = 100; | |
1224 | char *wd; | |
1225 | SCM result; | |
1226 | ||
1227 | wd = scm_malloc (size); | |
1228 | while ((rv = getcwd (wd, size)) == 0 && errno == ERANGE) | |
1229 | { | |
1230 | free (wd); | |
1231 | size *= 2; | |
1232 | wd = scm_malloc (size); | |
1233 | } | |
1234 | if (rv == 0) | |
1235 | { | |
1236 | int save_errno = errno; | |
1237 | free (wd); | |
1238 | errno = save_errno; | |
1239 | SCM_SYSERROR; | |
1240 | } | |
1241 | result = scm_from_locale_stringn (wd, strlen (wd)); | |
1242 | free (wd); | |
1243 | return result; | |
1244 | } | |
1245 | #undef FUNC_NAME | |
1246 | #endif /* HAVE_GETCWD */ | |
1247 | ||
073167ef LC |
1248 | SCM_DEFINE (scm_mkdir, "mkdir", 1, 1, 0, |
1249 | (SCM path, SCM mode), | |
1250 | "Create a new directory named by @var{path}. If @var{mode} is omitted\n" | |
1251 | "then the permissions of the directory file are set using the current\n" | |
1252 | "umask. Otherwise they are set to the decimal value specified with\n" | |
1253 | "@var{mode}. The return value is unspecified.") | |
1254 | #define FUNC_NAME s_scm_mkdir | |
1255 | { | |
1256 | int rv; | |
1257 | mode_t mask; | |
1258 | ||
1259 | if (SCM_UNBNDP (mode)) | |
1260 | { | |
1261 | mask = umask (0); | |
1262 | umask (mask); | |
1263 | STRING_SYSCALL (path, c_path, rv = mkdir (c_path, 0777 ^ mask)); | |
1264 | } | |
1265 | else | |
1266 | { | |
1267 | STRING_SYSCALL (path, c_path, rv = mkdir (c_path, scm_to_uint (mode))); | |
1268 | } | |
1269 | if (rv != 0) | |
1270 | SCM_SYSERROR; | |
1271 | return SCM_UNSPECIFIED; | |
1272 | } | |
1273 | #undef FUNC_NAME | |
073167ef | 1274 | |
073167ef LC |
1275 | SCM_DEFINE (scm_rmdir, "rmdir", 1, 0, 0, |
1276 | (SCM path), | |
1277 | "Remove the existing directory named by @var{path}. The directory must\n" | |
1278 | "be empty for this to succeed. The return value is unspecified.") | |
1279 | #define FUNC_NAME s_scm_rmdir | |
1280 | { | |
1281 | int val; | |
1282 | ||
1283 | STRING_SYSCALL (path, c_path, val = rmdir (c_path)); | |
1284 | if (val != 0) | |
1285 | SCM_SYSERROR; | |
1286 | return SCM_UNSPECIFIED; | |
1287 | } | |
1288 | #undef FUNC_NAME | |
073167ef LC |
1289 | |
1290 | SCM_DEFINE (scm_rename, "rename-file", 2, 0, 0, | |
1291 | (SCM oldname, SCM newname), | |
1292 | "Renames the file specified by @var{oldname} to @var{newname}.\n" | |
1293 | "The return value is unspecified.") | |
1294 | #define FUNC_NAME s_scm_rename | |
1295 | { | |
1296 | int rv; | |
1297 | ||
1298 | STRING2_SYSCALL (oldname, c_oldname, | |
1299 | newname, c_newname, | |
ca6adcc6 | 1300 | rv = rename (c_oldname, c_newname)); |
073167ef LC |
1301 | if (rv != 0) |
1302 | SCM_SYSERROR; | |
1303 | return SCM_UNSPECIFIED; | |
1304 | } | |
1305 | #undef FUNC_NAME | |
1306 | ||
1307 | ||
1308 | SCM_DEFINE (scm_delete_file, "delete-file", 1, 0, 0, | |
1309 | (SCM str), | |
b7e64f8b | 1310 | "Deletes (or \"unlinks\") the file specified by @var{str}.") |
073167ef LC |
1311 | #define FUNC_NAME s_scm_delete_file |
1312 | { | |
1313 | int ans; | |
1314 | STRING_SYSCALL (str, c_str, ans = unlink (c_str)); | |
1315 | if (ans != 0) | |
1316 | SCM_SYSERROR; | |
1317 | return SCM_UNSPECIFIED; | |
1318 | } | |
1319 | #undef FUNC_NAME | |
1320 | ||
1321 | SCM_DEFINE (scm_access, "access?", 2, 0, 0, | |
1322 | (SCM path, SCM how), | |
1323 | "Test accessibility of a file under the real UID and GID of the\n" | |
1324 | "calling process. The return is @code{#t} if @var{path} exists\n" | |
1325 | "and the permissions requested by @var{how} are all allowed, or\n" | |
1326 | "@code{#f} if not.\n" | |
1327 | "\n" | |
1328 | "@var{how} is an integer which is one of the following values,\n" | |
1329 | "or a bitwise-OR (@code{logior}) of multiple values.\n" | |
1330 | "\n" | |
1331 | "@defvar R_OK\n" | |
1332 | "Test for read permission.\n" | |
1333 | "@end defvar\n" | |
1334 | "@defvar W_OK\n" | |
1335 | "Test for write permission.\n" | |
1336 | "@end defvar\n" | |
1337 | "@defvar X_OK\n" | |
1338 | "Test for execute permission.\n" | |
1339 | "@end defvar\n" | |
1340 | "@defvar F_OK\n" | |
1341 | "Test for existence of the file. This is implied by each of the\n" | |
1342 | "other tests, so there's no need to combine it with them.\n" | |
1343 | "@end defvar\n" | |
1344 | "\n" | |
1345 | "It's important to note that @code{access?} does not simply\n" | |
1346 | "indicate what will happen on attempting to read or write a\n" | |
1347 | "file. In normal circumstances it does, but in a set-UID or\n" | |
1348 | "set-GID program it doesn't because @code{access?} tests the\n" | |
1349 | "real ID, whereas an open or execute attempt uses the effective\n" | |
1350 | "ID.\n" | |
1351 | "\n" | |
1352 | "A program which will never run set-UID/GID can ignore the\n" | |
1353 | "difference between real and effective IDs, but for maximum\n" | |
1354 | "generality, especially in library functions, it's best not to\n" | |
1355 | "use @code{access?} to predict the result of an open or execute,\n" | |
1356 | "instead simply attempt that and catch any exception.\n" | |
1357 | "\n" | |
1358 | "The main use for @code{access?} is to let a set-UID/GID program\n" | |
1359 | "determine what the invoking user would have been allowed to do,\n" | |
1360 | "without the greater (or perhaps lesser) privileges afforded by\n" | |
1361 | "the effective ID. For more on this, see ``Testing File\n" | |
1362 | "Access'' in The GNU C Library Reference Manual.") | |
1363 | #define FUNC_NAME s_scm_access | |
1364 | { | |
1365 | int rv; | |
1366 | char *c_path; | |
1367 | ||
1368 | c_path = scm_to_locale_string (path); | |
1369 | rv = access (c_path, scm_to_int (how)); | |
1370 | free (c_path); | |
1371 | ||
1372 | return scm_from_bool (!rv); | |
1373 | } | |
1374 | #undef FUNC_NAME | |
1375 | ||
1376 | SCM_DEFINE (scm_chmod, "chmod", 2, 0, 0, | |
1377 | (SCM object, SCM mode), | |
b7e64f8b BT |
1378 | "Changes the permissions of the file referred to by\n" |
1379 | "@var{object}. @var{object} can be a string containing a file\n" | |
1380 | "name or a port or integer file descriptor which is open on a\n" | |
1381 | "file (in which case @code{fchmod} is used as the underlying\n" | |
1382 | "system call). @var{mode} specifies the new permissions as a\n" | |
1383 | "decimal number, e.g., @code{(chmod \"foo\" #o755)}.\n" | |
073167ef LC |
1384 | "The return value is unspecified.") |
1385 | #define FUNC_NAME s_scm_chmod | |
1386 | { | |
1387 | int rv; | |
073167ef LC |
1388 | |
1389 | object = SCM_COERCE_OUTPORT (object); | |
1390 | ||
5558cdaa | 1391 | #if HAVE_FCHMOD |
073167ef LC |
1392 | if (scm_is_integer (object) || SCM_OPFPORTP (object)) |
1393 | { | |
5558cdaa | 1394 | int fdes; |
073167ef LC |
1395 | if (scm_is_integer (object)) |
1396 | fdes = scm_to_int (object); | |
1397 | else | |
1398 | fdes = SCM_FPORT_FDES (object); | |
1399 | SCM_SYSCALL (rv = fchmod (fdes, scm_to_int (mode))); | |
1400 | } | |
1401 | else | |
5558cdaa | 1402 | #endif |
073167ef LC |
1403 | { |
1404 | STRING_SYSCALL (object, c_object, | |
1405 | rv = chmod (c_object, scm_to_int (mode))); | |
1406 | } | |
1407 | if (rv == -1) | |
1408 | SCM_SYSERROR; | |
1409 | return SCM_UNSPECIFIED; | |
1410 | } | |
1411 | #undef FUNC_NAME | |
1412 | ||
1413 | SCM_DEFINE (scm_umask, "umask", 0, 1, 0, | |
1414 | (SCM mode), | |
1415 | "If @var{mode} is omitted, returns a decimal number representing the current\n" | |
1416 | "file creation mask. Otherwise the file creation mask is set to\n" | |
1417 | "@var{mode} and the previous value is returned.\n\n" | |
1418 | "E.g., @code{(umask #o022)} sets the mask to octal 22, decimal 18.") | |
1419 | #define FUNC_NAME s_scm_umask | |
1420 | { | |
1421 | mode_t mask; | |
1422 | if (SCM_UNBNDP (mode)) | |
1423 | { | |
1424 | mask = umask (0); | |
1425 | umask (mask); | |
1426 | } | |
1427 | else | |
1428 | { | |
1429 | mask = umask (scm_to_uint (mode)); | |
1430 | } | |
1431 | return scm_from_uint (mask); | |
1432 | } | |
1433 | #undef FUNC_NAME | |
1434 | ||
073167ef LC |
1435 | SCM_DEFINE (scm_mkstemp, "mkstemp!", 1, 0, 0, |
1436 | (SCM tmpl), | |
1437 | "Create a new unique file in the file system and return a new\n" | |
1438 | "buffered port open for reading and writing to the file.\n" | |
1439 | "\n" | |
1440 | "@var{tmpl} is a string specifying where the file should be\n" | |
1441 | "created: it must end with @samp{XXXXXX} and those @samp{X}s\n" | |
1442 | "will be changed in the string to return the name of the file.\n" | |
1443 | "(@code{port-filename} on the port also gives the name.)\n" | |
1444 | "\n" | |
1445 | "POSIX doesn't specify the permissions mode of the file, on GNU\n" | |
1446 | "and most systems it's @code{#o600}. An application can use\n" | |
1447 | "@code{chmod} to relax that if desired. For example\n" | |
1448 | "@code{#o666} less @code{umask}, which is usual for ordinary\n" | |
1449 | "file creation,\n" | |
1450 | "\n" | |
1451 | "@example\n" | |
1452 | "(let ((port (mkstemp! (string-copy \"/tmp/myfile-XXXXXX\"))))\n" | |
1453 | " (chmod port (logand #o666 (lognot (umask))))\n" | |
1454 | " ...)\n" | |
1455 | "@end example") | |
1456 | #define FUNC_NAME s_scm_mkstemp | |
1457 | { | |
1458 | char *c_tmpl; | |
1459 | int rv; | |
1460 | ||
1461 | scm_dynwind_begin (0); | |
1462 | ||
1463 | c_tmpl = scm_to_locale_string (tmpl); | |
1464 | scm_dynwind_free (c_tmpl); | |
1465 | ||
1466 | SCM_SYSCALL (rv = mkstemp (c_tmpl)); | |
1467 | if (rv == -1) | |
1468 | SCM_SYSERROR; | |
1469 | ||
1470 | scm_substring_move_x (scm_from_locale_string (c_tmpl), | |
1471 | SCM_INUM0, scm_string_length (tmpl), | |
1472 | tmpl, SCM_INUM0); | |
1473 | ||
1474 | scm_dynwind_end (); | |
1475 | return scm_fdes_to_port (rv, "w+", tmpl); | |
1476 | } | |
1477 | #undef FUNC_NAME | |
1478 | ||
0f2d19dd | 1479 | \f |
6a738a25 JB |
1480 | /* Filename manipulation */ |
1481 | ||
1482 | SCM scm_dot_string; | |
1483 | ||
9b6316ea AW |
1484 | #ifdef __MINGW32__ |
1485 | SCM_SYMBOL (sym_file_name_convention, "windows"); | |
1486 | #else | |
1487 | SCM_SYMBOL (sym_file_name_convention, "posix"); | |
1488 | #endif | |
1489 | ||
1490 | SCM_INTERNAL SCM scm_system_file_name_convention (void); | |
1491 | ||
1492 | SCM_DEFINE (scm_system_file_name_convention, | |
1493 | "system-file-name-convention", 0, 0, 0, (void), | |
1494 | "Return either @code{posix} or @code{windows}, depending on\n" | |
1495 | "what kind of system this Guile is running on.") | |
1496 | #define FUNC_NAME s_scm_system_file_name_convention | |
1497 | { | |
1498 | return sym_file_name_convention; | |
1499 | } | |
1500 | #undef FUNC_NAME | |
1501 | ||
a1ec6916 | 1502 | SCM_DEFINE (scm_dirname, "dirname", 1, 0, 0, |
1bbd0b84 | 1503 | (SCM filename), |
fa6a543f MG |
1504 | "Return the directory name component of the file name\n" |
1505 | "@var{filename}. If @var{filename} does not contain a directory\n" | |
1506 | "component, @code{.} is returned.") | |
1bbd0b84 | 1507 | #define FUNC_NAME s_scm_dirname |
6a738a25 | 1508 | { |
9fd38a3d DH |
1509 | long int i; |
1510 | unsigned long int len; | |
1511 | ||
34d19ef6 | 1512 | SCM_VALIDATE_STRING (1, filename); |
9fd38a3d | 1513 | |
cc95e00a | 1514 | len = scm_i_string_length (filename); |
9fd38a3d | 1515 | |
6a738a25 | 1516 | i = len - 1; |
7a17979e AW |
1517 | |
1518 | while (i >= 0 && is_file_name_separator (scm_c_string_ref (filename, i))) | |
832bbc95 | 1519 | --i; |
7a17979e | 1520 | while (i >= 0 && !is_file_name_separator (scm_c_string_ref (filename, i))) |
832bbc95 | 1521 | --i; |
7a17979e | 1522 | while (i >= 0 && is_file_name_separator (scm_c_string_ref (filename, i))) |
832bbc95 | 1523 | --i; |
7a17979e | 1524 | |
6a738a25 JB |
1525 | if (i < 0) |
1526 | { | |
7a17979e | 1527 | if (len > 0 && is_file_name_separator (scm_c_string_ref (filename, 0))) |
cc95e00a | 1528 | return scm_c_substring (filename, 0, 1); |
6a738a25 JB |
1529 | else |
1530 | return scm_dot_string; | |
1531 | } | |
1532 | else | |
cc95e00a | 1533 | return scm_c_substring (filename, 0, i + 1); |
6a738a25 | 1534 | } |
1bbd0b84 | 1535 | #undef FUNC_NAME |
6a738a25 | 1536 | |
a1ec6916 | 1537 | SCM_DEFINE (scm_basename, "basename", 1, 1, 0, |
1bbd0b84 | 1538 | (SCM filename, SCM suffix), |
fa6a543f MG |
1539 | "Return the base name of the file name @var{filename}. The\n" |
1540 | "base name is the file name without any directory components.\n" | |
bb2c02f2 | 1541 | "If @var{suffix} is provided, and is equal to the end of\n" |
b7e64f8b | 1542 | "@var{filename}, it is removed also.") |
1bbd0b84 | 1543 | #define FUNC_NAME s_scm_basename |
6a738a25 | 1544 | { |
6a738a25 | 1545 | int i, j, len, end; |
9fd38a3d | 1546 | |
34d19ef6 | 1547 | SCM_VALIDATE_STRING (1, filename); |
cc95e00a | 1548 | len = scm_i_string_length (filename); |
9fd38a3d | 1549 | |
6a738a25 JB |
1550 | if (SCM_UNBNDP (suffix)) |
1551 | j = -1; | |
1552 | else | |
1553 | { | |
9fd38a3d | 1554 | SCM_VALIDATE_STRING (2, suffix); |
cc95e00a | 1555 | j = scm_i_string_length (suffix) - 1; |
6a738a25 | 1556 | } |
6a738a25 | 1557 | i = len - 1; |
7a17979e | 1558 | while (i >= 0 && is_file_name_separator (scm_c_string_ref (filename, i))) |
832bbc95 | 1559 | --i; |
6a738a25 | 1560 | end = i; |
832bbc95 MG |
1561 | while (i >= 0 && j >= 0 |
1562 | && (scm_i_string_ref (filename, i) | |
1563 | == scm_i_string_ref (suffix, j))) | |
1564 | { | |
1565 | --i; | |
1566 | --j; | |
1567 | } | |
6a738a25 JB |
1568 | if (j == -1) |
1569 | end = i; | |
7a17979e | 1570 | while (i >= 0 && !is_file_name_separator (scm_c_string_ref (filename, i))) |
832bbc95 | 1571 | --i; |
6a738a25 JB |
1572 | if (i == end) |
1573 | { | |
7a17979e | 1574 | if (len > 0 && is_file_name_separator (scm_c_string_ref (filename, 0))) |
832bbc95 | 1575 | return scm_c_substring (filename, 0, 1); |
6a738a25 JB |
1576 | else |
1577 | return scm_dot_string; | |
1578 | } | |
1579 | else | |
cc95e00a | 1580 | return scm_c_substring (filename, i+1, end+1); |
6a738a25 | 1581 | } |
1bbd0b84 | 1582 | #undef FUNC_NAME |
6a738a25 | 1583 | |
25b82b34 AW |
1584 | SCM_DEFINE (scm_canonicalize_path, "canonicalize-path", 1, 0, 0, |
1585 | (SCM path), | |
1586 | "Return the canonical path of @var{path}. A canonical path has\n" | |
1587 | "no @code{.} or @code{..} components, nor any repeated path\n" | |
1588 | "separators (@code{/}) nor symlinks.\n\n" | |
1589 | "Raises an error if any component of @var{path} does not exist.") | |
1590 | #define FUNC_NAME s_scm_canonicalize_path | |
427c73b9 AW |
1591 | { |
1592 | char *str, *canon; | |
25b82b34 AW |
1593 | |
1594 | SCM_VALIDATE_STRING (1, path); | |
1595 | ||
1596 | str = scm_to_locale_string (path); | |
1597 | canon = canonicalize_file_name (str); | |
1598 | free (str); | |
1599 | ||
1600 | if (canon) | |
1601 | return scm_take_locale_string (canon); | |
1602 | else | |
1603 | SCM_SYSERROR; | |
1604 | } | |
1605 | #undef FUNC_NAME | |
6a738a25 | 1606 | |
22457d57 AW |
1607 | SCM |
1608 | scm_i_relativize_path (SCM path, SCM in_path) | |
1609 | { | |
1610 | char *str, *canon; | |
1611 | SCM scanon; | |
1612 | ||
1613 | str = scm_to_locale_string (path); | |
1614 | canon = canonicalize_file_name (str); | |
1615 | free (str); | |
1616 | ||
1617 | if (!canon) | |
1618 | return SCM_BOOL_F; | |
1619 | ||
1620 | scanon = scm_take_locale_string (canon); | |
1621 | ||
1622 | for (; scm_is_pair (in_path); in_path = scm_cdr (in_path)) | |
2ae7b7b6 LC |
1623 | { |
1624 | SCM dir = scm_car (in_path); | |
1625 | size_t len = scm_c_string_length (dir); | |
1626 | ||
1627 | /* When DIR is empty, it means "current working directory". We | |
1628 | could set DIR to (getcwd) in that case, but then the | |
1629 | canonicalization would depend on the current directory, which | |
1630 | is not what we want in the context of `compile-file', for | |
1631 | instance. */ | |
1632 | if (len > 0 | |
1633 | && scm_is_true (scm_string_prefix_p (dir, scanon, | |
1634 | SCM_UNDEFINED, SCM_UNDEFINED, | |
1635 | SCM_UNDEFINED, SCM_UNDEFINED))) | |
1636 | { | |
1637 | /* DIR either has a trailing delimiter or doesn't. SCANON | |
1638 | will be delimited by single delimiters. When DIR does not | |
1639 | have a trailing delimiter, add one to the length to strip | |
1640 | off the delimiter within SCANON. */ | |
7a17979e | 1641 | if (!is_file_name_separator (scm_c_string_ref (dir, len - 1))) |
2ae7b7b6 | 1642 | len++; |
22457d57 | 1643 | |
2ae7b7b6 LC |
1644 | if (scm_c_string_length (scanon) > len) |
1645 | return scm_substring (scanon, scm_from_size_t (len), SCM_UNDEFINED); | |
1646 | else | |
1647 | return SCM_BOOL_F; | |
1648 | } | |
1649 | } | |
22457d57 AW |
1650 | |
1651 | return SCM_BOOL_F; | |
1652 | } | |
1653 | ||
d0476fa2 LC |
1654 | \f |
1655 | /* Examining directories. These procedures are used by `check-guile' | |
1656 | and thus compiled unconditionally. */ | |
1657 | ||
1658 | scm_t_bits scm_tc16_dir; | |
1659 | ||
1660 | ||
1661 | SCM_DEFINE (scm_directory_stream_p, "directory-stream?", 1, 0, 0, | |
1662 | (SCM obj), | |
b7e64f8b | 1663 | "Return a boolean indicating whether @var{obj} is a directory\n" |
d0476fa2 LC |
1664 | "stream as returned by @code{opendir}.") |
1665 | #define FUNC_NAME s_scm_directory_stream_p | |
1666 | { | |
1667 | return scm_from_bool (SCM_DIRP (obj)); | |
1668 | } | |
1669 | #undef FUNC_NAME | |
1670 | ||
1671 | ||
1672 | SCM_DEFINE (scm_opendir, "opendir", 1, 0, 0, | |
1673 | (SCM dirname), | |
b7e64f8b | 1674 | "Open the directory specified by @var{dirname} and return a directory\n" |
d0476fa2 LC |
1675 | "stream.") |
1676 | #define FUNC_NAME s_scm_opendir | |
1677 | { | |
1678 | DIR *ds; | |
1679 | STRING_SYSCALL (dirname, c_dirname, ds = opendir (c_dirname)); | |
1680 | if (ds == NULL) | |
1681 | SCM_SYSERROR; | |
1682 | SCM_RETURN_NEWSMOB (scm_tc16_dir | (SCM_DIR_FLAG_OPEN<<16), ds); | |
1683 | } | |
1684 | #undef FUNC_NAME | |
1685 | ||
1686 | ||
1687 | /* FIXME: The glibc manual has a portability note that readdir_r may not | |
1688 | null-terminate its return string. The circumstances outlined for this | |
1689 | are not clear, nor is it clear what should be done about it. Lets use | |
1690 | NAMLEN and worry about what else should be done if/when someone can | |
1691 | figure it out. */ | |
1692 | ||
1693 | SCM_DEFINE (scm_readdir, "readdir", 1, 0, 0, | |
1694 | (SCM port), | |
1695 | "Return (as a string) the next directory entry from the directory stream\n" | |
b7e64f8b | 1696 | "@var{port}. If there is no remaining entry to be read then the\n" |
d0476fa2 LC |
1697 | "end of file object is returned.") |
1698 | #define FUNC_NAME s_scm_readdir | |
1699 | { | |
1700 | struct dirent_or_dirent64 *rdent; | |
1701 | ||
1702 | SCM_VALIDATE_DIR (1, port); | |
1703 | if (!SCM_DIR_OPEN_P (port)) | |
1704 | SCM_MISC_ERROR ("Directory ~S is not open.", scm_list_1 (port)); | |
1705 | ||
1706 | #if HAVE_READDIR_R | |
5a706f03 AW |
1707 | /* As noted in the glibc manual, on various systems (such as Solaris) |
1708 | the d_name[] field is only 1 char and you're expected to size the | |
1709 | dirent buffer for readdir_r based on NAME_MAX. The MAX expressions | |
1710 | below effectively give either sizeof(d_name) or NAME_MAX+1, | |
1711 | whichever is bigger. | |
d0476fa2 LC |
1712 | |
1713 | On solaris 10 there's no NAME_MAX constant, it's necessary to use | |
1714 | pathconf(). We prefer NAME_MAX though, since it should be a constant | |
1715 | and will therefore save a system call. We also prefer it since dirfd() | |
1716 | is not available everywhere. | |
1717 | ||
1718 | An alternative to dirfd() would be to open() the directory and then use | |
1719 | fdopendir(), if the latter is available. That'd let us hold the fd | |
1720 | somewhere in the smob, or just the dirent size calculated once. */ | |
1721 | { | |
1722 | struct dirent_or_dirent64 de; /* just for sizeof */ | |
1723 | DIR *ds = (DIR *) SCM_SMOB_DATA_1 (port); | |
1724 | #ifdef NAME_MAX | |
5a706f03 AW |
1725 | char buf [MAX (sizeof (de), |
1726 | sizeof (de) - sizeof (de.d_name) + NAME_MAX + 1)]; | |
d0476fa2 LC |
1727 | #else |
1728 | char *buf; | |
1729 | long name_max = fpathconf (dirfd (ds), _PC_NAME_MAX); | |
1730 | if (name_max == -1) | |
1731 | SCM_SYSERROR; | |
5a706f03 AW |
1732 | buf = alloca (MAX (sizeof (de), |
1733 | sizeof (de) - sizeof (de.d_name) + name_max + 1)); | |
d0476fa2 LC |
1734 | #endif |
1735 | ||
1736 | errno = 0; | |
1737 | SCM_SYSCALL (readdir_r_or_readdir64_r (ds, (struct dirent_or_dirent64 *) buf, &rdent)); | |
1738 | if (errno != 0) | |
1739 | SCM_SYSERROR; | |
1740 | if (! rdent) | |
1741 | return SCM_EOF_VAL; | |
1742 | ||
1743 | return (rdent ? scm_from_locale_stringn (rdent->d_name, NAMLEN (rdent)) | |
1744 | : SCM_EOF_VAL); | |
1745 | } | |
1746 | #else | |
1747 | { | |
1748 | SCM ret; | |
1749 | scm_dynwind_begin (0); | |
1750 | scm_i_dynwind_pthread_mutex_lock (&scm_i_misc_mutex); | |
1751 | ||
1752 | errno = 0; | |
1753 | SCM_SYSCALL (rdent = readdir_or_readdir64 ((DIR *) SCM_SMOB_DATA_1 (port))); | |
1754 | if (errno != 0) | |
1755 | SCM_SYSERROR; | |
1756 | ||
1757 | ret = (rdent ? scm_from_locale_stringn (rdent->d_name, NAMLEN (rdent)) | |
1758 | : SCM_EOF_VAL); | |
1759 | ||
1760 | scm_dynwind_end (); | |
1761 | return ret; | |
1762 | } | |
1763 | #endif | |
1764 | } | |
1765 | #undef FUNC_NAME | |
1766 | ||
1767 | ||
1768 | SCM_DEFINE (scm_rewinddir, "rewinddir", 1, 0, 0, | |
1769 | (SCM port), | |
b7e64f8b | 1770 | "Reset the directory port @var{port} so that the next call to\n" |
d0476fa2 LC |
1771 | "@code{readdir} will return the first directory entry.") |
1772 | #define FUNC_NAME s_scm_rewinddir | |
1773 | { | |
1774 | SCM_VALIDATE_DIR (1, port); | |
1775 | if (!SCM_DIR_OPEN_P (port)) | |
1776 | SCM_MISC_ERROR ("Directory ~S is not open.", scm_list_1 (port)); | |
1777 | ||
1778 | rewinddir ((DIR *) SCM_SMOB_DATA_1 (port)); | |
1779 | ||
1780 | return SCM_UNSPECIFIED; | |
1781 | } | |
1782 | #undef FUNC_NAME | |
1783 | ||
1784 | ||
1785 | SCM_DEFINE (scm_closedir, "closedir", 1, 0, 0, | |
1786 | (SCM port), | |
b7e64f8b | 1787 | "Close the directory stream @var{port}.\n" |
d0476fa2 LC |
1788 | "The return value is unspecified.") |
1789 | #define FUNC_NAME s_scm_closedir | |
1790 | { | |
1791 | SCM_VALIDATE_DIR (1, port); | |
1792 | ||
1793 | if (SCM_DIR_OPEN_P (port)) | |
1794 | { | |
1795 | int sts; | |
1796 | ||
1797 | SCM_SYSCALL (sts = closedir ((DIR *) SCM_SMOB_DATA_1 (port))); | |
1798 | if (sts != 0) | |
1799 | SCM_SYSERROR; | |
1800 | ||
1801 | SCM_SET_SMOB_DATA_0 (port, scm_tc16_dir); | |
1802 | } | |
1803 | ||
1804 | return SCM_UNSPECIFIED; | |
1805 | } | |
1806 | #undef FUNC_NAME | |
1807 | ||
1808 | ||
1fa54298 | 1809 | #ifdef HAVE_POSIX |
d0476fa2 LC |
1810 | static int |
1811 | scm_dir_print (SCM exp, SCM port, scm_print_state *pstate SCM_UNUSED) | |
1812 | { | |
0607ebbf | 1813 | scm_puts_unlocked ("#<", port); |
d0476fa2 | 1814 | if (!SCM_DIR_OPEN_P (exp)) |
0607ebbf AW |
1815 | scm_puts_unlocked ("closed: ", port); |
1816 | scm_puts_unlocked ("directory stream ", port); | |
d0476fa2 | 1817 | scm_uintprint (SCM_SMOB_DATA_1 (exp), 16, port); |
0607ebbf | 1818 | scm_putc_unlocked ('>', port); |
d0476fa2 LC |
1819 | return 1; |
1820 | } | |
1821 | ||
1822 | ||
1823 | static size_t | |
1824 | scm_dir_free (SCM p) | |
1825 | { | |
1826 | if (SCM_DIR_OPEN_P (p)) | |
1827 | closedir ((DIR *) SCM_SMOB_DATA_1 (p)); | |
1828 | return 0; | |
1829 | } | |
1fa54298 | 1830 | #endif |
6a738a25 JB |
1831 | |
1832 | \f | |
1cc91f1b | 1833 | |
0f2d19dd JB |
1834 | void |
1835 | scm_init_filesys () | |
0f2d19dd | 1836 | { |
073167ef | 1837 | #ifdef HAVE_POSIX |
e841c3e0 KN |
1838 | scm_tc16_dir = scm_make_smob_type ("directory", 0); |
1839 | scm_set_smob_free (scm_tc16_dir, scm_dir_free); | |
1840 | scm_set_smob_print (scm_tc16_dir, scm_dir_print); | |
0f2d19dd | 1841 | |
3d8d56df | 1842 | #ifdef O_RDONLY |
23d72566 | 1843 | scm_c_define ("O_RDONLY", scm_from_int (O_RDONLY)); |
3d8d56df GH |
1844 | #endif |
1845 | #ifdef O_WRONLY | |
23d72566 | 1846 | scm_c_define ("O_WRONLY", scm_from_int (O_WRONLY)); |
3d8d56df GH |
1847 | #endif |
1848 | #ifdef O_RDWR | |
23d72566 | 1849 | scm_c_define ("O_RDWR", scm_from_int (O_RDWR)); |
3d8d56df GH |
1850 | #endif |
1851 | #ifdef O_CREAT | |
23d72566 | 1852 | scm_c_define ("O_CREAT", scm_from_int (O_CREAT)); |
3d8d56df GH |
1853 | #endif |
1854 | #ifdef O_EXCL | |
23d72566 | 1855 | scm_c_define ("O_EXCL", scm_from_int (O_EXCL)); |
3d8d56df GH |
1856 | #endif |
1857 | #ifdef O_NOCTTY | |
23d72566 | 1858 | scm_c_define ("O_NOCTTY", scm_from_int (O_NOCTTY)); |
3d8d56df GH |
1859 | #endif |
1860 | #ifdef O_TRUNC | |
23d72566 | 1861 | scm_c_define ("O_TRUNC", scm_from_int (O_TRUNC)); |
3d8d56df GH |
1862 | #endif |
1863 | #ifdef O_APPEND | |
23d72566 | 1864 | scm_c_define ("O_APPEND", scm_from_int (O_APPEND)); |
3d8d56df | 1865 | #endif |
6afcd3b2 | 1866 | #ifdef O_NONBLOCK |
23d72566 | 1867 | scm_c_define ("O_NONBLOCK", scm_from_int (O_NONBLOCK)); |
3d8d56df GH |
1868 | #endif |
1869 | #ifdef O_NDELAY | |
23d72566 | 1870 | scm_c_define ("O_NDELAY", scm_from_int (O_NDELAY)); |
3d8d56df GH |
1871 | #endif |
1872 | #ifdef O_SYNC | |
23d72566 | 1873 | scm_c_define ("O_SYNC", scm_from_int (O_SYNC)); |
3d8d56df | 1874 | #endif |
23f2b9a3 | 1875 | #ifdef O_LARGEFILE |
23d72566 | 1876 | scm_c_define ("O_LARGEFILE", scm_from_int (O_LARGEFILE)); |
3565df45 LC |
1877 | #endif |
1878 | #ifdef O_NOTRANS | |
1879 | scm_c_define ("O_NOTRANS", scm_from_int (O_NOTRANS)); | |
1880 | #endif | |
3d8d56df | 1881 | |
4c1feaa5 | 1882 | #ifdef F_DUPFD |
23d72566 | 1883 | scm_c_define ("F_DUPFD", scm_from_int (F_DUPFD)); |
4c1feaa5 JB |
1884 | #endif |
1885 | #ifdef F_GETFD | |
23d72566 | 1886 | scm_c_define ("F_GETFD", scm_from_int (F_GETFD)); |
4c1feaa5 JB |
1887 | #endif |
1888 | #ifdef F_SETFD | |
23d72566 | 1889 | scm_c_define ("F_SETFD", scm_from_int (F_SETFD)); |
4c1feaa5 JB |
1890 | #endif |
1891 | #ifdef F_GETFL | |
23d72566 | 1892 | scm_c_define ("F_GETFL", scm_from_int (F_GETFL)); |
4c1feaa5 JB |
1893 | #endif |
1894 | #ifdef F_SETFL | |
23d72566 | 1895 | scm_c_define ("F_SETFL", scm_from_int (F_SETFL)); |
4c1feaa5 JB |
1896 | #endif |
1897 | #ifdef F_GETOWN | |
23d72566 | 1898 | scm_c_define ("F_GETOWN", scm_from_int (F_GETOWN)); |
4c1feaa5 JB |
1899 | #endif |
1900 | #ifdef F_SETOWN | |
23d72566 | 1901 | scm_c_define ("F_SETOWN", scm_from_int (F_SETOWN)); |
4c1feaa5 JB |
1902 | #endif |
1903 | #ifdef FD_CLOEXEC | |
23d72566 | 1904 | scm_c_define ("FD_CLOEXEC", scm_from_int (FD_CLOEXEC)); |
bd9e24b3 | 1905 | #endif |
073167ef LC |
1906 | #endif /* HAVE_POSIX */ |
1907 | ||
1908 | /* `access' symbols. */ | |
1909 | scm_c_define ("R_OK", scm_from_int (R_OK)); | |
1910 | scm_c_define ("W_OK", scm_from_int (W_OK)); | |
1911 | scm_c_define ("X_OK", scm_from_int (X_OK)); | |
1912 | scm_c_define ("F_OK", scm_from_int (F_OK)); | |
1913 | ||
1914 | scm_dot_string = scm_from_locale_string ("."); | |
3d8d56df | 1915 | |
a0599745 | 1916 | #include "libguile/filesys.x" |
0f2d19dd | 1917 | } |
89e00824 ML |
1918 | |
1919 | /* | |
1920 | Local Variables: | |
1921 | c-file-style: "gnu" | |
1922 | End: | |
1923 | */ |