Commit | Line | Data |
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f0007cad | 1 | /* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2006, |
9b6316ea | 2 | * 2009, 2010, 2011, 2012, 2013 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" | |
2b829bbb | 47 | #include "libguile/private-gc.h" /* for SCM_MAX */ |
a0599745 MD |
48 | #include "libguile/iselect.h" |
49 | #include "libguile/strings.h" | |
50 | #include "libguile/vectors.h" | |
1299a0f1 | 51 | #include "libguile/dynwind.h" |
0f2d19dd | 52 | |
a0599745 MD |
53 | #include "libguile/validate.h" |
54 | #include "libguile/filesys.h" | |
def804a3 | 55 | |
0f2d19dd | 56 | \f |
def804a3 JB |
57 | #ifdef HAVE_IO_H |
58 | #include <io.h> | |
59 | #endif | |
60 | ||
e0c73a1c MV |
61 | #ifdef HAVE_DIRECT_H |
62 | #include <direct.h> | |
63 | #endif | |
64 | ||
0f2d19dd JB |
65 | #ifdef TIME_WITH_SYS_TIME |
66 | # include <sys/time.h> | |
67 | # include <time.h> | |
68 | #else | |
69 | # if HAVE_SYS_TIME_H | |
70 | # include <sys/time.h> | |
71 | # else | |
72 | # include <time.h> | |
73 | # endif | |
74 | #endif | |
75 | ||
76 | #ifdef HAVE_UNISTD_H | |
77 | #include <unistd.h> | |
78 | #endif | |
79 | ||
3594582b | 80 | #ifdef LIBC_H_WITH_UNISTD_H |
1f9e2226 JB |
81 | #include <libc.h> |
82 | #endif | |
83 | ||
0f2d19dd JB |
84 | #ifdef HAVE_SYS_SELECT_H |
85 | #include <sys/select.h> | |
86 | #endif | |
87 | ||
1f9e2226 JB |
88 | #ifdef HAVE_STRING_H |
89 | #include <string.h> | |
90 | #endif | |
91 | ||
8cc71382 | 92 | #include <sys/types.h> |
0f2d19dd JB |
93 | #include <sys/stat.h> |
94 | #include <fcntl.h> | |
95 | ||
82893676 | 96 | #ifdef HAVE_PWD_H |
0f2d19dd | 97 | #include <pwd.h> |
82893676 | 98 | #endif |
0f2d19dd | 99 | |
f0007cad | 100 | #include <dirent.h> |
0f2d19dd | 101 | |
f0007cad | 102 | #define NAMLEN(dirent) strlen ((dirent)->d_name) |
0f2d19dd | 103 | |
82893676 MG |
104 | /* Some more definitions for the native Windows port. */ |
105 | #ifdef __MINGW32__ | |
82893676 | 106 | # define fsync(fd) _commit (fd) |
82893676 | 107 | #endif /* __MINGW32__ */ |
2b829bbb | 108 | |
2b829bbb | 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 JB |
134 | |
135 | \f | |
136 | ||
073167ef LC |
137 | #ifdef HAVE_POSIX |
138 | ||
0f2d19dd JB |
139 | /* {Permissions} |
140 | */ | |
141 | ||
82893676 | 142 | #ifdef HAVE_CHOWN |
a1ec6916 | 143 | SCM_DEFINE (scm_chown, "chown", 3, 0, 0, |
1bbd0b84 | 144 | (SCM object, SCM owner, SCM group), |
d831b039 GH |
145 | "Change the ownership and group of the file referred to by @var{object} to\n" |
146 | "the integer values @var{owner} and @var{group}. @var{object} can be\n" | |
147 | "a string containing a file name or, if the platform\n" | |
148 | "supports fchown, a port or integer file descriptor\n" | |
149 | "which is open on the file. The return value\n" | |
d3818c29 | 150 | "is unspecified.\n\n" |
d831b039 | 151 | "If @var{object} is a symbolic link, either the\n" |
d3818c29 MD |
152 | "ownership of the link or the ownership of the referenced file will be\n" |
153 | "changed depending on the operating system (lchown is\n" | |
154 | "unsupported at present). If @var{owner} or @var{group} is specified\n" | |
155 | "as @code{-1}, then that ID is not changed.") | |
1bbd0b84 | 156 | #define FUNC_NAME s_scm_chown |
0f2d19dd | 157 | { |
6afcd3b2 | 158 | int rv; |
02b754d3 | 159 | |
78446828 MV |
160 | object = SCM_COERCE_OUTPORT (object); |
161 | ||
d831b039 | 162 | #ifdef HAVE_FCHOWN |
a55c2b68 | 163 | if (scm_is_integer (object) || (SCM_OPFPORTP (object))) |
6afcd3b2 | 164 | { |
a55c2b68 MV |
165 | int fdes = (SCM_OPFPORTP (object)? |
166 | SCM_FPORT_FDES (object) : scm_to_int (object)); | |
d831b039 | 167 | |
a55c2b68 | 168 | SCM_SYSCALL (rv = fchown (fdes, scm_to_int (owner), scm_to_int (group))); |
6afcd3b2 GH |
169 | } |
170 | else | |
d831b039 | 171 | #endif |
6afcd3b2 | 172 | { |
1299a0f1 MV |
173 | STRING_SYSCALL (object, c_object, |
174 | rv = chown (c_object, | |
175 | scm_to_int (owner), scm_to_int (group))); | |
6afcd3b2 GH |
176 | } |
177 | if (rv == -1) | |
1bbd0b84 | 178 | SCM_SYSERROR; |
02b754d3 | 179 | return SCM_UNSPECIFIED; |
0f2d19dd | 180 | } |
1bbd0b84 | 181 | #undef FUNC_NAME |
82893676 | 182 | #endif /* HAVE_CHOWN */ |
0f2d19dd | 183 | |
0f2d19dd | 184 | \f |
0f2d19dd | 185 | |
a1ec6916 | 186 | SCM_DEFINE (scm_open_fdes, "open-fdes", 2, 1, 0, |
1bbd0b84 | 187 | (SCM path, SCM flags, SCM mode), |
1e6808ea MG |
188 | "Similar to @code{open} but return a file descriptor instead of\n" |
189 | "a port.") | |
1bbd0b84 | 190 | #define FUNC_NAME s_scm_open_fdes |
0f2d19dd JB |
191 | { |
192 | int fd; | |
3d8d56df | 193 | int iflags; |
6afcd3b2 | 194 | int imode; |
0f2d19dd | 195 | |
1be6b49c ML |
196 | iflags = SCM_NUM2INT (2, flags); |
197 | imode = SCM_NUM2INT_DEF (3, mode, 0666); | |
23f2b9a3 | 198 | STRING_SYSCALL (path, c_path, fd = open_or_open64 (c_path, iflags, imode)); |
3d8d56df | 199 | if (fd == -1) |
1bbd0b84 | 200 | SCM_SYSERROR; |
e11e83f3 | 201 | return scm_from_int (fd); |
6afcd3b2 | 202 | } |
1bbd0b84 | 203 | #undef FUNC_NAME |
6afcd3b2 | 204 | |
a1ec6916 | 205 | SCM_DEFINE (scm_open, "open", 2, 1, 0, |
1bbd0b84 | 206 | (SCM path, SCM flags, SCM mode), |
d3818c29 MD |
207 | "Open the file named by @var{path} for reading and/or writing.\n" |
208 | "@var{flags} is an integer specifying how the file should be opened.\n" | |
209 | "@var{mode} is an integer specifying the permission bits of the file, if\n" | |
210 | "it needs to be created, before the umask is applied. The default is 666\n" | |
211 | "(Unix itself has no default).\n\n" | |
212 | "@var{flags} can be constructed by combining variables using @code{logior}.\n" | |
213 | "Basic flags are:\n\n" | |
214 | "@defvar O_RDONLY\n" | |
215 | "Open the file read-only.\n" | |
216 | "@end defvar\n" | |
217 | "@defvar O_WRONLY\n" | |
9401323e | 218 | "Open the file write-only.\n" |
d3818c29 MD |
219 | "@end defvar\n" |
220 | "@defvar O_RDWR\n" | |
221 | "Open the file read/write.\n" | |
222 | "@end defvar\n" | |
223 | "@defvar O_APPEND\n" | |
224 | "Append to the file instead of truncating.\n" | |
225 | "@end defvar\n" | |
226 | "@defvar O_CREAT\n" | |
227 | "Create the file if it does not already exist.\n" | |
228 | "@end defvar\n\n" | |
229 | "See the Unix documentation of the @code{open} system call\n" | |
230 | "for additional flags.") | |
1bbd0b84 | 231 | #define FUNC_NAME s_scm_open |
6afcd3b2 GH |
232 | { |
233 | SCM newpt; | |
234 | char *port_mode; | |
235 | int fd; | |
6afcd3b2 GH |
236 | int iflags; |
237 | ||
e11e83f3 | 238 | fd = scm_to_int (scm_open_fdes (path, flags, mode)); |
1be6b49c | 239 | iflags = SCM_NUM2INT (2, flags); |
126a3224 LC |
240 | |
241 | if ((iflags & O_RDWR) == O_RDWR) | |
77a76b64 | 242 | { |
126a3224 | 243 | /* Opened read-write. */ |
77a76b64 JB |
244 | if (iflags & O_APPEND) |
245 | port_mode = "a+"; | |
246 | else if (iflags & O_CREAT) | |
247 | port_mode = "w+"; | |
248 | else | |
249 | port_mode = "r+"; | |
250 | } | |
126a3224 LC |
251 | else |
252 | { | |
253 | /* Opened read-only or write-only. */ | |
254 | if (iflags & O_APPEND) | |
255 | port_mode = "a"; | |
256 | else if (iflags & O_WRONLY) | |
257 | port_mode = "w"; | |
258 | else | |
259 | port_mode = "r"; | |
260 | } | |
261 | ||
77a76b64 | 262 | newpt = scm_fdes_to_port (fd, port_mode, path); |
3d8d56df | 263 | return newpt; |
0f2d19dd | 264 | } |
1bbd0b84 | 265 | #undef FUNC_NAME |
0f2d19dd | 266 | |
a1ec6916 | 267 | SCM_DEFINE (scm_close, "close", 1, 0, 0, |
1bbd0b84 | 268 | (SCM fd_or_port), |
8f85c0c6 | 269 | "Similar to close-port (@pxref{Closing, close-port}),\n" |
d3818c29 MD |
270 | "but also works on file descriptors. A side\n" |
271 | "effect of closing a file descriptor is that any ports using that file\n" | |
272 | "descriptor are moved to a different file descriptor and have\n" | |
273 | "their revealed counts set to zero.") | |
1bbd0b84 | 274 | #define FUNC_NAME s_scm_close |
eadd48de GH |
275 | { |
276 | int rv; | |
277 | int fd; | |
278 | ||
78446828 MV |
279 | fd_or_port = SCM_COERCE_OUTPORT (fd_or_port); |
280 | ||
0c95b57d | 281 | if (SCM_PORTP (fd_or_port)) |
eadd48de | 282 | return scm_close_port (fd_or_port); |
a55c2b68 | 283 | fd = scm_to_int (fd_or_port); |
eadd48de | 284 | scm_evict_ports (fd); /* see scsh manual. */ |
a9488d12 | 285 | SCM_SYSCALL (rv = close (fd)); |
eadd48de GH |
286 | /* following scsh, closing an already closed file descriptor is |
287 | not an error. */ | |
288 | if (rv < 0 && errno != EBADF) | |
1bbd0b84 | 289 | SCM_SYSERROR; |
7888309b | 290 | return scm_from_bool (rv >= 0); |
eadd48de | 291 | } |
1bbd0b84 | 292 | #undef FUNC_NAME |
eadd48de | 293 | |
c2ca4493 GH |
294 | SCM_DEFINE (scm_close_fdes, "close-fdes", 1, 0, 0, |
295 | (SCM fd), | |
296 | "A simple wrapper for the @code{close} system call.\n" | |
297 | "Close file descriptor @var{fd}, which must be an integer.\n" | |
298 | "Unlike close (@pxref{Ports and File Descriptors, close}),\n" | |
299 | "the file descriptor will be closed even if a port is using it.\n" | |
300 | "The return value is unspecified.") | |
301 | #define FUNC_NAME s_scm_close_fdes | |
302 | { | |
303 | int c_fd; | |
304 | int rv; | |
305 | ||
a55c2b68 | 306 | c_fd = scm_to_int (fd); |
c2ca4493 GH |
307 | SCM_SYSCALL (rv = close (c_fd)); |
308 | if (rv < 0) | |
309 | SCM_SYSERROR; | |
310 | return SCM_UNSPECIFIED; | |
311 | } | |
312 | #undef FUNC_NAME | |
313 | ||
073167ef LC |
314 | #endif /* HAVE_POSIX */ |
315 | ||
0f2d19dd JB |
316 | \f |
317 | /* {Files} | |
318 | */ | |
1cc91f1b | 319 | |
ae5253c5 GH |
320 | SCM_SYMBOL (scm_sym_regular, "regular"); |
321 | SCM_SYMBOL (scm_sym_directory, "directory"); | |
23f2b9a3 | 322 | #ifdef S_ISLNK |
ae5253c5 | 323 | SCM_SYMBOL (scm_sym_symlink, "symlink"); |
f326ecf3 | 324 | #endif |
ae5253c5 GH |
325 | SCM_SYMBOL (scm_sym_block_special, "block-special"); |
326 | SCM_SYMBOL (scm_sym_char_special, "char-special"); | |
327 | SCM_SYMBOL (scm_sym_fifo, "fifo"); | |
328 | SCM_SYMBOL (scm_sym_sock, "socket"); | |
329 | SCM_SYMBOL (scm_sym_unknown, "unknown"); | |
330 | ||
0f2d19dd | 331 | static SCM |
2b829bbb | 332 | scm_stat2scm (struct stat_or_stat64 *stat_temp) |
0f2d19dd | 333 | { |
06bfe276 | 334 | SCM ans = scm_c_make_vector (18, SCM_UNSPECIFIED); |
ae5253c5 | 335 | |
4057a3e0 | 336 | SCM_SIMPLE_VECTOR_SET(ans, 0, scm_from_ulong (stat_temp->st_dev)); |
2b829bbb | 337 | SCM_SIMPLE_VECTOR_SET(ans, 1, scm_from_ino_t_or_ino64_t (stat_temp->st_ino)); |
4057a3e0 MV |
338 | SCM_SIMPLE_VECTOR_SET(ans, 2, scm_from_ulong (stat_temp->st_mode)); |
339 | SCM_SIMPLE_VECTOR_SET(ans, 3, scm_from_ulong (stat_temp->st_nlink)); | |
340 | SCM_SIMPLE_VECTOR_SET(ans, 4, scm_from_ulong (stat_temp->st_uid)); | |
341 | SCM_SIMPLE_VECTOR_SET(ans, 5, scm_from_ulong (stat_temp->st_gid)); | |
1fd85bc5 | 342 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
4057a3e0 | 343 | SCM_SIMPLE_VECTOR_SET(ans, 6, scm_from_ulong (stat_temp->st_rdev)); |
0f2d19dd | 344 | #else |
4057a3e0 | 345 | SCM_SIMPLE_VECTOR_SET(ans, 6, SCM_BOOL_F); |
0f2d19dd | 346 | #endif |
2b829bbb | 347 | SCM_SIMPLE_VECTOR_SET(ans, 7, scm_from_off_t_or_off64_t (stat_temp->st_size)); |
4057a3e0 MV |
348 | SCM_SIMPLE_VECTOR_SET(ans, 8, scm_from_ulong (stat_temp->st_atime)); |
349 | SCM_SIMPLE_VECTOR_SET(ans, 9, scm_from_ulong (stat_temp->st_mtime)); | |
350 | SCM_SIMPLE_VECTOR_SET(ans, 10, scm_from_ulong (stat_temp->st_ctime)); | |
1fd85bc5 | 351 | #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE |
4057a3e0 | 352 | SCM_SIMPLE_VECTOR_SET(ans, 11, scm_from_ulong (stat_temp->st_blksize)); |
0f2d19dd | 353 | #else |
4057a3e0 | 354 | SCM_SIMPLE_VECTOR_SET(ans, 11, scm_from_ulong (4096L)); |
0f2d19dd | 355 | #endif |
1fd85bc5 | 356 | #ifdef HAVE_STRUCT_STAT_ST_BLOCKS |
2b829bbb | 357 | SCM_SIMPLE_VECTOR_SET(ans, 12, scm_from_blkcnt_t_or_blkcnt64_t (stat_temp->st_blocks)); |
0f2d19dd | 358 | #else |
4057a3e0 | 359 | SCM_SIMPLE_VECTOR_SET(ans, 12, SCM_BOOL_F); |
0f2d19dd | 360 | #endif |
ae5253c5 GH |
361 | { |
362 | int mode = stat_temp->st_mode; | |
363 | ||
364 | if (S_ISREG (mode)) | |
4057a3e0 | 365 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_regular); |
ae5253c5 | 366 | else if (S_ISDIR (mode)) |
4057a3e0 | 367 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_directory); |
23f2b9a3 KR |
368 | #ifdef S_ISLNK |
369 | /* systems without symlinks probably don't have S_ISLNK */ | |
ae5253c5 | 370 | else if (S_ISLNK (mode)) |
4057a3e0 | 371 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_symlink); |
f326ecf3 | 372 | #endif |
ae5253c5 | 373 | else if (S_ISBLK (mode)) |
4057a3e0 | 374 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_block_special); |
ae5253c5 | 375 | else if (S_ISCHR (mode)) |
4057a3e0 | 376 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_char_special); |
ae5253c5 | 377 | else if (S_ISFIFO (mode)) |
4057a3e0 | 378 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_fifo); |
e655d034 | 379 | #ifdef S_ISSOCK |
ae5253c5 | 380 | else if (S_ISSOCK (mode)) |
4057a3e0 | 381 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_sock); |
e655d034 | 382 | #endif |
ae5253c5 | 383 | else |
4057a3e0 | 384 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_unknown); |
ae5253c5 | 385 | |
4057a3e0 | 386 | SCM_SIMPLE_VECTOR_SET(ans, 14, scm_from_int ((~S_IFMT) & mode)); |
ae5253c5 GH |
387 | |
388 | /* the layout of the bits in ve[14] is intended to be portable. | |
389 | If there are systems that don't follow the usual convention, | |
390 | the following could be used: | |
391 | ||
392 | tmp = 0; | |
393 | if (S_ISUID & mode) tmp += 1; | |
394 | tmp <<= 1; | |
395 | if (S_IRGRP & mode) tmp += 1; | |
396 | tmp <<= 1; | |
397 | if (S_ISVTX & mode) tmp += 1; | |
398 | tmp <<= 1; | |
399 | if (S_IRUSR & mode) tmp += 1; | |
400 | tmp <<= 1; | |
401 | if (S_IWUSR & mode) tmp += 1; | |
402 | tmp <<= 1; | |
403 | if (S_IXUSR & mode) tmp += 1; | |
404 | tmp <<= 1; | |
405 | if (S_IWGRP & mode) tmp += 1; | |
406 | tmp <<= 1; | |
407 | if (S_IXGRP & mode) tmp += 1; | |
408 | tmp <<= 1; | |
409 | if (S_IROTH & mode) tmp += 1; | |
410 | tmp <<= 1; | |
411 | if (S_IWOTH & mode) tmp += 1; | |
412 | tmp <<= 1; | |
413 | if (S_IXOTH & mode) tmp += 1; | |
414 | ||
4057a3e0 | 415 | SCM_SIMPLE_VECTOR_SET(ans, 14, scm_from_int (tmp)); |
ae5253c5 GH |
416 | |
417 | */ | |
418 | } | |
06bfe276 AW |
419 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
420 | SCM_SIMPLE_VECTOR_SET(ans, 15, scm_from_long (stat_temp->st_atim.tv_nsec)); | |
421 | #else | |
422 | SCM_SIMPLE_VECTOR_SET(ans, 15, SCM_I_MAKINUM (0)); | |
423 | #endif | |
424 | #ifdef HAVE_STRUCT_STAT_ST_MTIM | |
425 | SCM_SIMPLE_VECTOR_SET(ans, 16, scm_from_long (stat_temp->st_mtim.tv_nsec)); | |
426 | #else | |
427 | SCM_SIMPLE_VECTOR_SET(ans, 16, SCM_I_MAKINUM (0)); | |
428 | #endif | |
429 | #ifdef HAVE_STRUCT_STAT_ST_CTIM | |
430 | SCM_SIMPLE_VECTOR_SET(ans, 17, scm_from_ulong (stat_temp->st_ctim.tv_sec)); | |
431 | #else | |
432 | SCM_SIMPLE_VECTOR_SET(ans, 17, SCM_I_MAKINUM (0)); | |
433 | #endif | |
0f2d19dd JB |
434 | |
435 | return ans; | |
436 | } | |
437 | ||
e0c73a1c MV |
438 | #ifdef __MINGW32__ |
439 | /* | |
440 | * Try getting the appropiate stat buffer for a given file descriptor | |
441 | * under Windows. It differentiates between file, pipe and socket | |
442 | * descriptors. | |
443 | */ | |
444 | static int fstat_Win32 (int fdes, struct stat *buf) | |
445 | { | |
446 | int error, optlen = sizeof (int); | |
447 | ||
448 | memset (buf, 0, sizeof (struct stat)); | |
449 | ||
450 | /* Is this a socket ? */ | |
451 | if (getsockopt (fdes, SOL_SOCKET, SO_ERROR, (void *) &error, &optlen) >= 0) | |
452 | { | |
19761af1 | 453 | buf->st_mode = _S_IREAD | _S_IWRITE | _S_IEXEC; |
e0c73a1c MV |
454 | buf->st_nlink = 1; |
455 | buf->st_atime = buf->st_ctime = buf->st_mtime = time (NULL); | |
456 | return 0; | |
457 | } | |
458 | /* Maybe a regular file or pipe ? */ | |
459 | return fstat (fdes, buf); | |
460 | } | |
461 | #endif /* __MINGW32__ */ | |
462 | ||
7a17979e AW |
463 | static int |
464 | is_file_name_separator (SCM c) | |
465 | { | |
69b6da07 | 466 | if (scm_is_eq (c, SCM_MAKE_CHAR ('/'))) |
7a17979e AW |
467 | return 1; |
468 | #ifdef __MINGW32__ | |
69b6da07 | 469 | if (scm_is_eq (c, SCM_MAKE_CHAR ('\\'))) |
7a17979e AW |
470 | return 1; |
471 | #endif | |
472 | return 0; | |
473 | } | |
474 | ||
fcb6f5ff AW |
475 | SCM_DEFINE (scm_stat, "stat", 1, 1, 0, |
476 | (SCM object, SCM exception_on_error), | |
1e6808ea | 477 | "Return an object containing various information about the file\n" |
b7e64f8b | 478 | "determined by @var{object}. @var{object} can be a string containing\n" |
1e6808ea MG |
479 | "a file name or a port or integer file descriptor which is open\n" |
480 | "on a file (in which case @code{fstat} is used as the underlying\n" | |
481 | "system call).\n" | |
482 | "\n" | |
fcb6f5ff AW |
483 | "If the optional @var{exception_on_error} argument is true, which\n" |
484 | "is the default, an exception will be raised if the underlying\n" | |
485 | "system call returns an error, for example if the file is not\n" | |
486 | "found or is not readable. Otherwise, an error will cause\n" | |
487 | "@code{stat} to return @code{#f}." | |
488 | "\n" | |
489 | "The object returned by a successful call to @code{stat} can be\n" | |
490 | "passed as a single parameter to the following procedures, all of\n" | |
491 | "which return integers:\n" | |
1e6808ea | 492 | "\n" |
d3818c29 MD |
493 | "@table @code\n" |
494 | "@item stat:dev\n" | |
495 | "The device containing the file.\n" | |
496 | "@item stat:ino\n" | |
1e6808ea MG |
497 | "The file serial number, which distinguishes this file from all\n" |
498 | "other files on the same device.\n" | |
d3818c29 | 499 | "@item stat:mode\n" |
1e6808ea MG |
500 | "The mode of the file. This includes file type information and\n" |
501 | "the file permission bits. See @code{stat:type} and\n" | |
502 | "@code{stat:perms} below.\n" | |
d3818c29 MD |
503 | "@item stat:nlink\n" |
504 | "The number of hard links to the file.\n" | |
505 | "@item stat:uid\n" | |
506 | "The user ID of the file's owner.\n" | |
507 | "@item stat:gid\n" | |
508 | "The group ID of the file.\n" | |
509 | "@item stat:rdev\n" | |
510 | "Device ID; this entry is defined only for character or block\n" | |
511 | "special files.\n" | |
512 | "@item stat:size\n" | |
513 | "The size of a regular file in bytes.\n" | |
514 | "@item stat:atime\n" | |
515 | "The last access time for the file.\n" | |
516 | "@item stat:mtime\n" | |
517 | "The last modification time for the file.\n" | |
518 | "@item stat:ctime\n" | |
519 | "The last modification time for the attributes of the file.\n" | |
520 | "@item stat:blksize\n" | |
1e6808ea MG |
521 | "The optimal block size for reading or writing the file, in\n" |
522 | "bytes.\n" | |
d3818c29 | 523 | "@item stat:blocks\n" |
1e6808ea MG |
524 | "The amount of disk space that the file occupies measured in\n" |
525 | "units of 512 byte blocks.\n" | |
526 | "@end table\n" | |
527 | "\n" | |
d3818c29 | 528 | "In addition, the following procedures return the information\n" |
1e6808ea MG |
529 | "from stat:mode in a more convenient form:\n" |
530 | "\n" | |
d3818c29 MD |
531 | "@table @code\n" |
532 | "@item stat:type\n" | |
533 | "A symbol representing the type of file. Possible values are\n" | |
1e6808ea MG |
534 | "regular, directory, symlink, block-special, char-special, fifo,\n" |
535 | "socket and unknown\n" | |
d3818c29 MD |
536 | "@item stat:perms\n" |
537 | "An integer representing the access permission bits.\n" | |
538 | "@end table") | |
1bbd0b84 | 539 | #define FUNC_NAME s_scm_stat |
0f2d19dd | 540 | { |
6afcd3b2 GH |
541 | int rv; |
542 | int fdes; | |
2b829bbb | 543 | struct stat_or_stat64 stat_temp; |
0f2d19dd | 544 | |
e11e83f3 | 545 | if (scm_is_integer (object)) |
36284627 | 546 | { |
e0c73a1c | 547 | #ifdef __MINGW32__ |
e11e83f3 | 548 | SCM_SYSCALL (rv = fstat_Win32 (scm_to_int (object), &stat_temp)); |
e0c73a1c | 549 | #else |
2b829bbb | 550 | SCM_SYSCALL (rv = fstat_or_fstat64 (scm_to_int (object), &stat_temp)); |
e0c73a1c | 551 | #endif |
36284627 | 552 | } |
7f9994d9 | 553 | else if (scm_is_string (object)) |
36284627 | 554 | { |
7f9994d9 | 555 | char *file = scm_to_locale_string (object); |
2b829bbb | 556 | SCM_SYSCALL (rv = stat_or_stat64 (file, &stat_temp)); |
e0c73a1c | 557 | free (file); |
36284627 | 558 | } |
1ea47048 | 559 | else |
0f2d19dd | 560 | { |
36284627 DH |
561 | object = SCM_COERCE_OUTPORT (object); |
562 | SCM_VALIDATE_OPFPORT (1, object); | |
563 | fdes = SCM_FPORT_FDES (object); | |
e0c73a1c MV |
564 | #ifdef __MINGW32__ |
565 | SCM_SYSCALL (rv = fstat_Win32 (fdes, &stat_temp)); | |
566 | #else | |
2b829bbb | 567 | SCM_SYSCALL (rv = fstat_or_fstat64 (fdes, &stat_temp)); |
e0c73a1c | 568 | #endif |
6afcd3b2 | 569 | } |
36284627 | 570 | |
6afcd3b2 | 571 | if (rv == -1) |
3d8d56df | 572 | { |
fcb6f5ff AW |
573 | if (SCM_UNBNDP (exception_on_error) || scm_is_true (exception_on_error)) |
574 | { | |
575 | int en = errno; | |
576 | SCM_SYSERROR_MSG ("~A: ~S", | |
577 | scm_list_2 (scm_strerror (scm_from_int (en)), | |
578 | object), | |
579 | en); | |
580 | } | |
581 | else | |
582 | return SCM_BOOL_F; | |
3d8d56df | 583 | } |
02b754d3 | 584 | return scm_stat2scm (&stat_temp); |
0f2d19dd | 585 | } |
1bbd0b84 | 586 | #undef FUNC_NAME |
0f2d19dd | 587 | |
d0476fa2 LC |
588 | #ifdef HAVE_LSTAT |
589 | SCM_DEFINE (scm_lstat, "lstat", 1, 0, 0, | |
590 | (SCM str), | |
591 | "Similar to @code{stat}, but does not follow symbolic links, i.e.,\n" | |
592 | "it will return information about a symbolic link itself, not the\n" | |
b7e64f8b | 593 | "file it points to. @var{str} must be a string.") |
d0476fa2 LC |
594 | #define FUNC_NAME s_scm_lstat |
595 | { | |
596 | int rv; | |
597 | struct stat_or_stat64 stat_temp; | |
598 | ||
599 | STRING_SYSCALL (str, c_str, rv = lstat_or_lstat64 (c_str, &stat_temp)); | |
600 | if (rv != 0) | |
601 | { | |
602 | int en = errno; | |
603 | ||
604 | SCM_SYSERROR_MSG ("~A: ~S", | |
605 | scm_list_2 (scm_strerror (scm_from_int (en)), str), | |
606 | en); | |
607 | } | |
608 | return scm_stat2scm (&stat_temp); | |
609 | } | |
610 | #undef FUNC_NAME | |
611 | #endif /* HAVE_LSTAT */ | |
612 | ||
0f2d19dd | 613 | \f |
073167ef LC |
614 | #ifdef HAVE_POSIX |
615 | ||
0f2d19dd JB |
616 | /* {Modifying Directories} |
617 | */ | |
618 | ||
82893676 | 619 | #ifdef HAVE_LINK |
a1ec6916 | 620 | SCM_DEFINE (scm_link, "link", 2, 0, 0, |
1bbd0b84 | 621 | (SCM oldpath, SCM newpath), |
6d36532c GH |
622 | "Creates a new name @var{newpath} in the file system for the\n" |
623 | "file named by @var{oldpath}. If @var{oldpath} is a symbolic\n" | |
624 | "link, the link may or may not be followed depending on the\n" | |
625 | "system.") | |
1bbd0b84 | 626 | #define FUNC_NAME s_scm_link |
0f2d19dd JB |
627 | { |
628 | int val; | |
02b754d3 | 629 | |
1299a0f1 MV |
630 | STRING2_SYSCALL (oldpath, c_oldpath, |
631 | newpath, c_newpath, | |
632 | val = link (c_oldpath, c_newpath)); | |
02b754d3 | 633 | if (val != 0) |
1bbd0b84 | 634 | SCM_SYSERROR; |
02b754d3 | 635 | return SCM_UNSPECIFIED; |
0f2d19dd | 636 | } |
1bbd0b84 | 637 | #undef FUNC_NAME |
82893676 | 638 | #endif /* HAVE_LINK */ |
0f2d19dd | 639 | |
0f2d19dd | 640 | \f |
0f2d19dd JB |
641 | /* {Navigating Directories} |
642 | */ | |
643 | ||
644 | ||
a1ec6916 | 645 | SCM_DEFINE (scm_chdir, "chdir", 1, 0, 0, |
1bbd0b84 | 646 | (SCM str), |
b7e64f8b | 647 | "Change the current working directory to @var{str}.\n" |
d3818c29 | 648 | "The return value is unspecified.") |
1bbd0b84 | 649 | #define FUNC_NAME s_scm_chdir |
0f2d19dd JB |
650 | { |
651 | int ans; | |
02b754d3 | 652 | |
1299a0f1 | 653 | STRING_SYSCALL (str, c_str, ans = chdir (c_str)); |
02b754d3 | 654 | if (ans != 0) |
1bbd0b84 | 655 | SCM_SYSERROR; |
02b754d3 | 656 | return SCM_UNSPECIFIED; |
0f2d19dd | 657 | } |
1bbd0b84 | 658 | #undef FUNC_NAME |
0f2d19dd | 659 | |
0f2d19dd JB |
660 | \f |
661 | ||
28d77376 GH |
662 | #ifdef HAVE_SELECT |
663 | ||
664 | /* check that element is a port or file descriptor. if it's a port | |
665 | and its buffer is ready for use, add it to the ports_ready list. | |
666 | otherwise add its file descriptor to *set. the type of list can be | |
667 | determined from pos: SCM_ARG1 for reads, SCM_ARG2 for writes, | |
668 | SCM_ARG3 for excepts. */ | |
cafc12ff | 669 | static int |
28d77376 | 670 | set_element (SELECT_TYPE *set, SCM *ports_ready, SCM element, int pos) |
a48a89bc | 671 | { |
cafc12ff | 672 | int fd; |
d831b039 | 673 | |
e11e83f3 | 674 | if (scm_is_integer (element)) |
28d77376 | 675 | { |
e11e83f3 | 676 | fd = scm_to_int (element); |
28d77376 GH |
677 | } |
678 | else | |
679 | { | |
680 | int use_buf = 0; | |
681 | ||
682 | element = SCM_COERCE_OUTPORT (element); | |
683 | SCM_ASSERT (SCM_OPFPORTP (element), element, pos, "select"); | |
684 | if (pos == SCM_ARG1) | |
685 | { | |
686 | /* check whether port has buffered input. */ | |
92c2555f | 687 | scm_t_port *pt = SCM_PTAB_ENTRY (element); |
28d77376 GH |
688 | |
689 | if (pt->read_pos < pt->read_end) | |
690 | use_buf = 1; | |
691 | } | |
692 | else if (pos == SCM_ARG2) | |
693 | { | |
694 | /* check whether port's output buffer has room. */ | |
92c2555f | 695 | scm_t_port *pt = SCM_PTAB_ENTRY (element); |
28d77376 GH |
696 | |
697 | /* > 1 since writing the last byte in the buffer causes flush. */ | |
698 | if (pt->write_end - pt->write_pos > 1) | |
699 | use_buf = 1; | |
700 | } | |
701 | fd = use_buf ? -1 : SCM_FPORT_FDES (element); | |
702 | } | |
703 | if (fd == -1) | |
704 | *ports_ready = scm_cons (element, *ports_ready); | |
705 | else | |
706 | FD_SET (fd, set); | |
cafc12ff | 707 | return fd; |
a48a89bc | 708 | } |
1cc91f1b | 709 | |
28d77376 GH |
710 | /* check list_or_vec, a list or vector of ports or file descriptors, |
711 | adding each member to either the ports_ready list (if it's a port | |
712 | with a usable buffer) or to *set. the kind of list_or_vec can be | |
713 | determined from pos: SCM_ARG1 for reads, SCM_ARG2 for writes, | |
714 | SCM_ARG3 for excepts. */ | |
cafc12ff | 715 | static int |
28d77376 | 716 | fill_select_type (SELECT_TYPE *set, SCM *ports_ready, SCM list_or_vec, int pos) |
0f2d19dd | 717 | { |
28d77376 GH |
718 | int max_fd = 0; |
719 | ||
4057a3e0 | 720 | if (scm_is_simple_vector (list_or_vec)) |
0f2d19dd | 721 | { |
4057a3e0 | 722 | int i = SCM_SIMPLE_VECTOR_LENGTH (list_or_vec); |
a48a89bc | 723 | |
28d77376 | 724 | while (--i >= 0) |
a48a89bc | 725 | { |
4057a3e0 MV |
726 | int fd = set_element (set, ports_ready, |
727 | SCM_SIMPLE_VECTOR_REF (list_or_vec, i), pos); | |
28d77376 | 728 | |
cafc12ff MD |
729 | if (fd > max_fd) |
730 | max_fd = fd; | |
a48a89bc GH |
731 | } |
732 | } | |
733 | else | |
734 | { | |
c96d76b8 | 735 | while (!SCM_NULL_OR_NIL_P (list_or_vec)) |
a48a89bc | 736 | { |
28d77376 GH |
737 | int fd = set_element (set, ports_ready, SCM_CAR (list_or_vec), pos); |
738 | ||
cafc12ff MD |
739 | if (fd > max_fd) |
740 | max_fd = fd; | |
28d77376 | 741 | list_or_vec = SCM_CDR (list_or_vec); |
a48a89bc | 742 | } |
0f2d19dd | 743 | } |
cafc12ff MD |
744 | |
745 | return max_fd; | |
0f2d19dd JB |
746 | } |
747 | ||
28d77376 GH |
748 | /* if element (a file descriptor or port) appears in *set, cons it to |
749 | list. return list. */ | |
a48a89bc GH |
750 | static SCM |
751 | get_element (SELECT_TYPE *set, SCM element, SCM list) | |
752 | { | |
28d77376 GH |
753 | int fd; |
754 | ||
e11e83f3 | 755 | if (scm_is_integer (element)) |
a48a89bc | 756 | { |
e11e83f3 | 757 | fd = scm_to_int (element); |
a48a89bc | 758 | } |
28d77376 | 759 | else |
a48a89bc | 760 | { |
28d77376 | 761 | fd = SCM_FPORT_FDES (SCM_COERCE_OUTPORT (element)); |
a48a89bc | 762 | } |
28d77376 GH |
763 | if (FD_ISSET (fd, set)) |
764 | list = scm_cons (element, list); | |
a48a89bc GH |
765 | return list; |
766 | } | |
1cc91f1b | 767 | |
28d77376 GH |
768 | /* construct component of scm_select return value. |
769 | set: pointer to set of file descriptors found by select to be ready | |
770 | ports_ready: ports ready due to buffering | |
771 | list_or_vec: original list/vector handed to scm_select. | |
772 | the return value is a list/vector of ready ports/file descriptors. | |
773 | works by finding the objects in list which correspond to members of | |
774 | *set and appending them to ports_ready. result is converted to a | |
775 | vector if list_or_vec is a vector. */ | |
0f2d19dd | 776 | static SCM |
28d77376 | 777 | retrieve_select_type (SELECT_TYPE *set, SCM ports_ready, SCM list_or_vec) |
0f2d19dd | 778 | { |
28d77376 | 779 | SCM answer_list = ports_ready; |
a48a89bc | 780 | |
4057a3e0 | 781 | if (scm_is_simple_vector (list_or_vec)) |
0f2d19dd | 782 | { |
4057a3e0 | 783 | int i = SCM_SIMPLE_VECTOR_LENGTH (list_or_vec); |
a48a89bc | 784 | |
28d77376 | 785 | while (--i >= 0) |
0f2d19dd | 786 | { |
4057a3e0 MV |
787 | answer_list = get_element (set, |
788 | SCM_SIMPLE_VECTOR_REF (list_or_vec, i), | |
789 | answer_list); | |
0f2d19dd | 790 | } |
a48a89bc GH |
791 | return scm_vector (answer_list); |
792 | } | |
793 | else | |
794 | { | |
28d77376 | 795 | /* list_or_vec must be a list. */ |
c96d76b8 | 796 | while (!SCM_NULL_OR_NIL_P (list_or_vec)) |
0f2d19dd | 797 | { |
28d77376 GH |
798 | answer_list = get_element (set, SCM_CAR (list_or_vec), answer_list); |
799 | list_or_vec = SCM_CDR (list_or_vec); | |
0f2d19dd | 800 | } |
a48a89bc | 801 | return answer_list; |
0f2d19dd | 802 | } |
0f2d19dd JB |
803 | } |
804 | ||
1bbd0b84 | 805 | /* Static helper functions above refer to s_scm_select directly as s_select */ |
a1ec6916 | 806 | SCM_DEFINE (scm_select, "select", 3, 2, 0, |
1bbd0b84 | 807 | (SCM reads, SCM writes, SCM excepts, SCM secs, SCM usecs), |
28d77376 | 808 | "This procedure has a variety of uses: waiting for the ability\n" |
bb2c02f2 | 809 | "to provide input, accept output, or the existence of\n" |
28d77376 GH |
810 | "exceptional conditions on a collection of ports or file\n" |
811 | "descriptors, or waiting for a timeout to occur.\n" | |
812 | "It also returns if interrupted by a signal.\n\n" | |
813 | "@var{reads}, @var{writes} and @var{excepts} can be lists or\n" | |
814 | "vectors, with each member a port or a file descriptor.\n" | |
815 | "The value returned is a list of three corresponding\n" | |
816 | "lists or vectors containing only the members which meet the\n" | |
817 | "specified requirement. The ability of port buffers to\n" | |
818 | "provide input or accept output is taken into account.\n" | |
819 | "Ordering of the input lists or vectors is not preserved.\n\n" | |
820 | "The optional arguments @var{secs} and @var{usecs} specify the\n" | |
821 | "timeout. Either @var{secs} can be specified alone, as\n" | |
822 | "either an integer or a real number, or both @var{secs} and\n" | |
823 | "@var{usecs} can be specified as integers, in which case\n" | |
824 | "@var{usecs} is an additional timeout expressed in\n" | |
825 | "microseconds. If @var{secs} is omitted or is @code{#f} then\n" | |
826 | "select will wait for as long as it takes for one of the other\n" | |
827 | "conditions to be satisfied.\n\n" | |
828 | "The scsh version of @code{select} differs as follows:\n" | |
829 | "Only vectors are accepted for the first three arguments.\n" | |
830 | "The @var{usecs} argument is not supported.\n" | |
831 | "Multiple values are returned instead of a list.\n" | |
832 | "Duplicates in the input vectors appear only once in output.\n" | |
9401323e | 833 | "An additional @code{select!} interface is provided.") |
1bbd0b84 | 834 | #define FUNC_NAME s_scm_select |
0f2d19dd | 835 | { |
0f2d19dd | 836 | struct timeval timeout; |
28d77376 | 837 | struct timeval * time_ptr; |
0f2d19dd JB |
838 | SELECT_TYPE read_set; |
839 | SELECT_TYPE write_set; | |
840 | SELECT_TYPE except_set; | |
28d77376 GH |
841 | int read_count; |
842 | int write_count; | |
843 | int except_count; | |
844 | /* these lists accumulate ports which are ready due to buffering. | |
845 | their file descriptors don't need to be added to the select sets. */ | |
846 | SCM read_ports_ready = SCM_EOL; | |
847 | SCM write_ports_ready = SCM_EOL; | |
848 | int max_fd; | |
849 | ||
4057a3e0 | 850 | if (scm_is_simple_vector (reads)) |
28d77376 | 851 | { |
4057a3e0 | 852 | read_count = SCM_SIMPLE_VECTOR_LENGTH (reads); |
28d77376 GH |
853 | } |
854 | else | |
855 | { | |
856 | read_count = scm_ilength (reads); | |
857 | SCM_ASSERT (read_count >= 0, reads, SCM_ARG1, FUNC_NAME); | |
858 | } | |
4057a3e0 | 859 | if (scm_is_simple_vector (writes)) |
28d77376 | 860 | { |
4057a3e0 | 861 | write_count = SCM_SIMPLE_VECTOR_LENGTH (writes); |
28d77376 GH |
862 | } |
863 | else | |
864 | { | |
865 | write_count = scm_ilength (writes); | |
866 | SCM_ASSERT (write_count >= 0, writes, SCM_ARG2, FUNC_NAME); | |
867 | } | |
4057a3e0 | 868 | if (scm_is_simple_vector (excepts)) |
28d77376 | 869 | { |
4057a3e0 | 870 | except_count = SCM_SIMPLE_VECTOR_LENGTH (excepts); |
28d77376 GH |
871 | } |
872 | else | |
873 | { | |
874 | except_count = scm_ilength (excepts); | |
875 | SCM_ASSERT (except_count >= 0, excepts, SCM_ARG3, FUNC_NAME); | |
876 | } | |
0f2d19dd JB |
877 | |
878 | FD_ZERO (&read_set); | |
879 | FD_ZERO (&write_set); | |
880 | FD_ZERO (&except_set); | |
881 | ||
28d77376 GH |
882 | max_fd = fill_select_type (&read_set, &read_ports_ready, reads, SCM_ARG1); |
883 | ||
884 | { | |
885 | int write_max = fill_select_type (&write_set, &write_ports_ready, | |
886 | writes, SCM_ARG2); | |
887 | int except_max = fill_select_type (&except_set, NULL, | |
888 | excepts, SCM_ARG3); | |
889 | ||
890 | if (write_max > max_fd) | |
891 | max_fd = write_max; | |
892 | if (except_max > max_fd) | |
893 | max_fd = except_max; | |
894 | } | |
0f2d19dd | 895 | |
ae1b098b GH |
896 | /* if there's a port with a ready buffer, don't block, just |
897 | check for ready file descriptors. */ | |
d2e53ed6 | 898 | if (!scm_is_null (read_ports_ready) || !scm_is_null (write_ports_ready)) |
ae1b098b GH |
899 | { |
900 | timeout.tv_sec = 0; | |
901 | timeout.tv_usec = 0; | |
902 | time_ptr = &timeout; | |
903 | } | |
7888309b | 904 | else if (SCM_UNBNDP (secs) || scm_is_false (secs)) |
28d77376 | 905 | time_ptr = 0; |
0f2d19dd JB |
906 | else |
907 | { | |
a55c2b68 | 908 | if (scm_is_unsigned_integer (secs, 0, ULONG_MAX)) |
a48a89bc | 909 | { |
a55c2b68 | 910 | timeout.tv_sec = scm_to_ulong (secs); |
a48a89bc GH |
911 | if (SCM_UNBNDP (usecs)) |
912 | timeout.tv_usec = 0; | |
913 | else | |
a55c2b68 | 914 | timeout.tv_usec = scm_to_long (usecs); |
a48a89bc | 915 | } |
0f2d19dd | 916 | else |
a48a89bc | 917 | { |
d9a67fc4 | 918 | double fl = scm_to_double (secs); |
a48a89bc GH |
919 | |
920 | if (!SCM_UNBNDP (usecs)) | |
c1bfcf60 | 921 | SCM_WRONG_TYPE_ARG (4, secs); |
a48a89bc | 922 | if (fl > LONG_MAX) |
c1bfcf60 | 923 | SCM_OUT_OF_RANGE (4, secs); |
a48a89bc GH |
924 | timeout.tv_sec = (long) fl; |
925 | timeout.tv_usec = (long) ((fl - timeout.tv_sec) * 1000000); | |
926 | } | |
28d77376 | 927 | time_ptr = &timeout; |
0f2d19dd JB |
928 | } |
929 | ||
28d77376 | 930 | { |
9de87eea MV |
931 | int rv = scm_std_select (max_fd + 1, |
932 | &read_set, &write_set, &except_set, | |
933 | time_ptr); | |
28d77376 GH |
934 | if (rv < 0) |
935 | SCM_SYSERROR; | |
936 | } | |
1afff620 KN |
937 | return scm_list_3 (retrieve_select_type (&read_set, read_ports_ready, reads), |
938 | retrieve_select_type (&write_set, write_ports_ready, writes), | |
939 | retrieve_select_type (&except_set, SCM_EOL, excepts)); | |
0f2d19dd | 940 | } |
1bbd0b84 | 941 | #undef FUNC_NAME |
f25f761d | 942 | #endif /* HAVE_SELECT */ |
0f2d19dd JB |
943 | |
944 | \f | |
4c1feaa5 | 945 | |
82893676 | 946 | #ifdef HAVE_FCNTL |
af45e3b0 | 947 | SCM_DEFINE (scm_fcntl, "fcntl", 2, 1, 0, |
1bbd0b84 | 948 | (SCM object, SCM cmd, SCM value), |
b7e64f8b | 949 | "Apply @var{cmd} to the specified file descriptor or the underlying\n" |
d3818c29 MD |
950 | "file descriptor of the specified port. @var{value} is an optional\n" |
951 | "integer argument.\n\n" | |
b7e64f8b | 952 | "Values for @var{cmd} are:\n\n" |
d3818c29 MD |
953 | "@table @code\n" |
954 | "@item F_DUPFD\n" | |
955 | "Duplicate a file descriptor\n" | |
956 | "@item F_GETFD\n" | |
957 | "Get flags associated with the file descriptor.\n" | |
958 | "@item F_SETFD\n" | |
959 | "Set flags associated with the file descriptor to @var{value}.\n" | |
960 | "@item F_GETFL\n" | |
961 | "Get flags associated with the open file.\n" | |
962 | "@item F_SETFL\n" | |
963 | "Set flags associated with the open file to @var{value}\n" | |
964 | "@item F_GETOWN\n" | |
965 | "Get the process ID of a socket's owner, for @code{SIGIO} signals.\n" | |
966 | "@item F_SETOWN\n" | |
967 | "Set the process that owns a socket to @var{value}, for @code{SIGIO} signals.\n" | |
968 | "@item FD_CLOEXEC\n" | |
55892d87 NJ |
969 | "The value used to indicate the \"close on exec\" flag with @code{F_GETFL} or\n" |
970 | "@code{F_SETFL}.\n" | |
a3c8b9fc | 971 | "@end table") |
1bbd0b84 | 972 | #define FUNC_NAME s_scm_fcntl |
4c1feaa5 JB |
973 | { |
974 | int rv; | |
6afcd3b2 GH |
975 | int fdes; |
976 | int ivalue; | |
4c1feaa5 | 977 | |
78446828 MV |
978 | object = SCM_COERCE_OUTPORT (object); |
979 | ||
0c95b57d | 980 | if (SCM_OPFPORTP (object)) |
77a76b64 | 981 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 | 982 | else |
a55c2b68 | 983 | fdes = scm_to_int (object); |
af45e3b0 | 984 | |
a55c2b68 | 985 | if (SCM_UNBNDP (value)) |
6afcd3b2 | 986 | ivalue = 0; |
a55c2b68 MV |
987 | else |
988 | ivalue = scm_to_int (value); | |
af45e3b0 | 989 | |
a55c2b68 | 990 | SCM_SYSCALL (rv = fcntl (fdes, scm_to_int (cmd), ivalue)); |
77a76b64 | 991 | if (rv == -1) |
1bbd0b84 | 992 | SCM_SYSERROR; |
a55c2b68 | 993 | return scm_from_int (rv); |
4c1feaa5 | 994 | } |
1bbd0b84 | 995 | #undef FUNC_NAME |
82893676 | 996 | #endif /* HAVE_FCNTL */ |
6afcd3b2 | 997 | |
a1ec6916 | 998 | SCM_DEFINE (scm_fsync, "fsync", 1, 0, 0, |
1bbd0b84 | 999 | (SCM object), |
b7e64f8b BT |
1000 | "Copies any unwritten data for the specified output file\n" |
1001 | "descriptor to disk. If @var{object} is a port, its buffer is\n" | |
1002 | "flushed before the underlying file descriptor is fsync'd.\n" | |
d3818c29 | 1003 | "The return value is unspecified.") |
1bbd0b84 | 1004 | #define FUNC_NAME s_scm_fsync |
6afcd3b2 GH |
1005 | { |
1006 | int fdes; | |
1007 | ||
78446828 MV |
1008 | object = SCM_COERCE_OUTPORT (object); |
1009 | ||
0c95b57d | 1010 | if (SCM_OPFPORTP (object)) |
6afcd3b2 | 1011 | { |
affc96b5 | 1012 | scm_flush (object); |
77a76b64 | 1013 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 GH |
1014 | } |
1015 | else | |
a55c2b68 MV |
1016 | fdes = scm_to_int (object); |
1017 | ||
6afcd3b2 | 1018 | if (fsync (fdes) == -1) |
1bbd0b84 | 1019 | SCM_SYSERROR; |
6afcd3b2 GH |
1020 | return SCM_UNSPECIFIED; |
1021 | } | |
1bbd0b84 | 1022 | #undef FUNC_NAME |
0f2d19dd | 1023 | |
f25f761d | 1024 | #ifdef HAVE_SYMLINK |
a1ec6916 | 1025 | SCM_DEFINE (scm_symlink, "symlink", 2, 0, 0, |
1bbd0b84 | 1026 | (SCM oldpath, SCM newpath), |
b7e64f8b BT |
1027 | "Create a symbolic link named @var{oldpath} with the value\n" |
1028 | "(i.e., pointing to) @var{newpath}. The return value is\n" | |
1029 | "unspecified.") | |
1bbd0b84 | 1030 | #define FUNC_NAME s_scm_symlink |
0f2d19dd | 1031 | { |
0f2d19dd | 1032 | int val; |
02b754d3 | 1033 | |
1299a0f1 MV |
1034 | STRING2_SYSCALL (oldpath, c_oldpath, |
1035 | newpath, c_newpath, | |
1036 | val = symlink (c_oldpath, c_newpath)); | |
02b754d3 | 1037 | if (val != 0) |
1bbd0b84 | 1038 | SCM_SYSERROR; |
02b754d3 | 1039 | return SCM_UNSPECIFIED; |
0f2d19dd | 1040 | } |
1bbd0b84 | 1041 | #undef FUNC_NAME |
f25f761d | 1042 | #endif /* HAVE_SYMLINK */ |
0f2d19dd | 1043 | |
f25f761d | 1044 | #ifdef HAVE_READLINK |
a1ec6916 | 1045 | SCM_DEFINE (scm_readlink, "readlink", 1, 0, 0, |
1bbd0b84 | 1046 | (SCM path), |
1e6808ea MG |
1047 | "Return the value of the symbolic link named by @var{path} (a\n" |
1048 | "string), i.e., the file that the link points to.") | |
1bbd0b84 | 1049 | #define FUNC_NAME s_scm_readlink |
0f2d19dd | 1050 | { |
6a738a25 JB |
1051 | int rv; |
1052 | int size = 100; | |
0f2d19dd JB |
1053 | char *buf; |
1054 | SCM result; | |
1299a0f1 MV |
1055 | char *c_path; |
1056 | ||
661ae7ab | 1057 | scm_dynwind_begin (0); |
1299a0f1 MV |
1058 | |
1059 | c_path = scm_to_locale_string (path); | |
661ae7ab | 1060 | scm_dynwind_free (c_path); |
1299a0f1 | 1061 | |
4c9419ac | 1062 | buf = scm_malloc (size); |
1299a0f1 MV |
1063 | |
1064 | while ((rv = readlink (c_path, buf, size)) == size) | |
0f2d19dd | 1065 | { |
4c9419ac | 1066 | free (buf); |
0f2d19dd | 1067 | size *= 2; |
4c9419ac | 1068 | buf = scm_malloc (size); |
0f2d19dd | 1069 | } |
02b754d3 | 1070 | if (rv == -1) |
11e1db06 KR |
1071 | { |
1072 | int save_errno = errno; | |
1073 | free (buf); | |
1074 | errno = save_errno; | |
1075 | SCM_SYSERROR; | |
1076 | } | |
1299a0f1 MV |
1077 | result = scm_take_locale_stringn (buf, rv); |
1078 | ||
661ae7ab | 1079 | scm_dynwind_end (); |
0f2d19dd | 1080 | return result; |
0f2d19dd | 1081 | } |
1bbd0b84 | 1082 | #undef FUNC_NAME |
f25f761d | 1083 | #endif /* HAVE_READLINK */ |
0f2d19dd | 1084 | |
a1ec6916 | 1085 | SCM_DEFINE (scm_copy_file, "copy-file", 2, 0, 0, |
1bbd0b84 | 1086 | (SCM oldfile, SCM newfile), |
b7e64f8b | 1087 | "Copy the file specified by @var{oldfile} to @var{newfile}.\n" |
d3818c29 | 1088 | "The return value is unspecified.") |
1bbd0b84 | 1089 | #define FUNC_NAME s_scm_copy_file |
0f2d19dd | 1090 | { |
1299a0f1 | 1091 | char *c_oldfile, *c_newfile; |
0f2d19dd | 1092 | int oldfd, newfd; |
37eb673b | 1093 | int n, rv; |
77a76b64 | 1094 | char buf[BUFSIZ]; |
2b829bbb | 1095 | struct stat_or_stat64 oldstat; |
0f2d19dd | 1096 | |
661ae7ab | 1097 | scm_dynwind_begin (0); |
1299a0f1 MV |
1098 | |
1099 | c_oldfile = scm_to_locale_string (oldfile); | |
661ae7ab | 1100 | scm_dynwind_free (c_oldfile); |
1299a0f1 | 1101 | c_newfile = scm_to_locale_string (newfile); |
661ae7ab | 1102 | scm_dynwind_free (c_newfile); |
37eb673b | 1103 | |
5a4a4454 | 1104 | oldfd = open_or_open64 (c_oldfile, O_RDONLY | O_BINARY); |
0f2d19dd | 1105 | if (oldfd == -1) |
1bbd0b84 | 1106 | SCM_SYSERROR; |
02b754d3 | 1107 | |
37eb673b KR |
1108 | #ifdef __MINGW32__ |
1109 | SCM_SYSCALL (rv = fstat_Win32 (oldfd, &oldstat)); | |
1110 | #else | |
2b829bbb | 1111 | SCM_SYSCALL (rv = fstat_or_fstat64 (oldfd, &oldstat)); |
37eb673b KR |
1112 | #endif |
1113 | if (rv == -1) | |
1114 | goto err_close_oldfd; | |
1115 | ||
02b754d3 | 1116 | /* use POSIX flags instead of 07777?. */ |
2b829bbb KR |
1117 | newfd = open_or_open64 (c_newfile, O_WRONLY | O_CREAT | O_TRUNC, |
1118 | oldstat.st_mode & 07777); | |
0f2d19dd | 1119 | if (newfd == -1) |
01046395 | 1120 | { |
37eb673b | 1121 | err_close_oldfd: |
01046395 KR |
1122 | close (oldfd); |
1123 | SCM_SYSERROR; | |
1124 | } | |
02b754d3 | 1125 | |
0f2d19dd JB |
1126 | while ((n = read (oldfd, buf, sizeof buf)) > 0) |
1127 | if (write (newfd, buf, n) != n) | |
1128 | { | |
1129 | close (oldfd); | |
1130 | close (newfd); | |
1bbd0b84 | 1131 | SCM_SYSERROR; |
0f2d19dd JB |
1132 | } |
1133 | close (oldfd); | |
1134 | if (close (newfd) == -1) | |
1bbd0b84 | 1135 | SCM_SYSERROR; |
1299a0f1 | 1136 | |
661ae7ab | 1137 | scm_dynwind_end (); |
02b754d3 | 1138 | return SCM_UNSPECIFIED; |
0f2d19dd | 1139 | } |
1bbd0b84 | 1140 | #undef FUNC_NAME |
0f2d19dd | 1141 | |
073167ef LC |
1142 | #endif /* HAVE_POSIX */ |
1143 | ||
1144 | \f | |
1145 | /* Essential procedures used in (system base compile). */ | |
1146 | ||
1147 | #ifdef HAVE_GETCWD | |
1148 | SCM_DEFINE (scm_getcwd, "getcwd", 0, 0, 0, | |
1149 | (), | |
1150 | "Return the name of the current working directory.") | |
1151 | #define FUNC_NAME s_scm_getcwd | |
1152 | { | |
1153 | char *rv; | |
1154 | size_t size = 100; | |
1155 | char *wd; | |
1156 | SCM result; | |
1157 | ||
1158 | wd = scm_malloc (size); | |
1159 | while ((rv = getcwd (wd, size)) == 0 && errno == ERANGE) | |
1160 | { | |
1161 | free (wd); | |
1162 | size *= 2; | |
1163 | wd = scm_malloc (size); | |
1164 | } | |
1165 | if (rv == 0) | |
1166 | { | |
1167 | int save_errno = errno; | |
1168 | free (wd); | |
1169 | errno = save_errno; | |
1170 | SCM_SYSERROR; | |
1171 | } | |
1172 | result = scm_from_locale_stringn (wd, strlen (wd)); | |
1173 | free (wd); | |
1174 | return result; | |
1175 | } | |
1176 | #undef FUNC_NAME | |
1177 | #endif /* HAVE_GETCWD */ | |
1178 | ||
1179 | #ifdef HAVE_MKDIR | |
1180 | SCM_DEFINE (scm_mkdir, "mkdir", 1, 1, 0, | |
1181 | (SCM path, SCM mode), | |
1182 | "Create a new directory named by @var{path}. If @var{mode} is omitted\n" | |
1183 | "then the permissions of the directory file are set using the current\n" | |
1184 | "umask. Otherwise they are set to the decimal value specified with\n" | |
1185 | "@var{mode}. The return value is unspecified.") | |
1186 | #define FUNC_NAME s_scm_mkdir | |
1187 | { | |
1188 | int rv; | |
1189 | mode_t mask; | |
1190 | ||
1191 | if (SCM_UNBNDP (mode)) | |
1192 | { | |
1193 | mask = umask (0); | |
1194 | umask (mask); | |
1195 | STRING_SYSCALL (path, c_path, rv = mkdir (c_path, 0777 ^ mask)); | |
1196 | } | |
1197 | else | |
1198 | { | |
1199 | STRING_SYSCALL (path, c_path, rv = mkdir (c_path, scm_to_uint (mode))); | |
1200 | } | |
1201 | if (rv != 0) | |
1202 | SCM_SYSERROR; | |
1203 | return SCM_UNSPECIFIED; | |
1204 | } | |
1205 | #undef FUNC_NAME | |
1206 | #endif /* HAVE_MKDIR */ | |
1207 | ||
1208 | #ifdef HAVE_RMDIR | |
1209 | SCM_DEFINE (scm_rmdir, "rmdir", 1, 0, 0, | |
1210 | (SCM path), | |
1211 | "Remove the existing directory named by @var{path}. The directory must\n" | |
1212 | "be empty for this to succeed. The return value is unspecified.") | |
1213 | #define FUNC_NAME s_scm_rmdir | |
1214 | { | |
1215 | int val; | |
1216 | ||
1217 | STRING_SYSCALL (path, c_path, val = rmdir (c_path)); | |
1218 | if (val != 0) | |
1219 | SCM_SYSERROR; | |
1220 | return SCM_UNSPECIFIED; | |
1221 | } | |
1222 | #undef FUNC_NAME | |
1223 | #endif | |
1224 | ||
1225 | #ifdef HAVE_RENAME | |
1226 | #define my_rename rename | |
1227 | #else | |
1228 | static int | |
1229 | my_rename (const char *oldname, const char *newname) | |
1230 | { | |
1231 | int rv; | |
1232 | ||
1233 | SCM_SYSCALL (rv = link (oldname, newname)); | |
1234 | if (rv == 0) | |
1235 | { | |
1236 | SCM_SYSCALL (rv = unlink (oldname)); | |
1237 | if (rv != 0) | |
1238 | /* unlink failed. remove new name */ | |
1239 | SCM_SYSCALL (unlink (newname)); | |
1240 | } | |
1241 | return rv; | |
1242 | } | |
1243 | #endif | |
1244 | ||
1245 | SCM_DEFINE (scm_rename, "rename-file", 2, 0, 0, | |
1246 | (SCM oldname, SCM newname), | |
1247 | "Renames the file specified by @var{oldname} to @var{newname}.\n" | |
1248 | "The return value is unspecified.") | |
1249 | #define FUNC_NAME s_scm_rename | |
1250 | { | |
1251 | int rv; | |
1252 | ||
1253 | STRING2_SYSCALL (oldname, c_oldname, | |
1254 | newname, c_newname, | |
1255 | rv = my_rename (c_oldname, c_newname)); | |
1256 | if (rv != 0) | |
1257 | SCM_SYSERROR; | |
1258 | return SCM_UNSPECIFIED; | |
1259 | } | |
1260 | #undef FUNC_NAME | |
1261 | ||
1262 | ||
1263 | SCM_DEFINE (scm_delete_file, "delete-file", 1, 0, 0, | |
1264 | (SCM str), | |
b7e64f8b | 1265 | "Deletes (or \"unlinks\") the file specified by @var{str}.") |
073167ef LC |
1266 | #define FUNC_NAME s_scm_delete_file |
1267 | { | |
1268 | int ans; | |
1269 | STRING_SYSCALL (str, c_str, ans = unlink (c_str)); | |
1270 | if (ans != 0) | |
1271 | SCM_SYSERROR; | |
1272 | return SCM_UNSPECIFIED; | |
1273 | } | |
1274 | #undef FUNC_NAME | |
1275 | ||
1276 | SCM_DEFINE (scm_access, "access?", 2, 0, 0, | |
1277 | (SCM path, SCM how), | |
1278 | "Test accessibility of a file under the real UID and GID of the\n" | |
1279 | "calling process. The return is @code{#t} if @var{path} exists\n" | |
1280 | "and the permissions requested by @var{how} are all allowed, or\n" | |
1281 | "@code{#f} if not.\n" | |
1282 | "\n" | |
1283 | "@var{how} is an integer which is one of the following values,\n" | |
1284 | "or a bitwise-OR (@code{logior}) of multiple values.\n" | |
1285 | "\n" | |
1286 | "@defvar R_OK\n" | |
1287 | "Test for read permission.\n" | |
1288 | "@end defvar\n" | |
1289 | "@defvar W_OK\n" | |
1290 | "Test for write permission.\n" | |
1291 | "@end defvar\n" | |
1292 | "@defvar X_OK\n" | |
1293 | "Test for execute permission.\n" | |
1294 | "@end defvar\n" | |
1295 | "@defvar F_OK\n" | |
1296 | "Test for existence of the file. This is implied by each of the\n" | |
1297 | "other tests, so there's no need to combine it with them.\n" | |
1298 | "@end defvar\n" | |
1299 | "\n" | |
1300 | "It's important to note that @code{access?} does not simply\n" | |
1301 | "indicate what will happen on attempting to read or write a\n" | |
1302 | "file. In normal circumstances it does, but in a set-UID or\n" | |
1303 | "set-GID program it doesn't because @code{access?} tests the\n" | |
1304 | "real ID, whereas an open or execute attempt uses the effective\n" | |
1305 | "ID.\n" | |
1306 | "\n" | |
1307 | "A program which will never run set-UID/GID can ignore the\n" | |
1308 | "difference between real and effective IDs, but for maximum\n" | |
1309 | "generality, especially in library functions, it's best not to\n" | |
1310 | "use @code{access?} to predict the result of an open or execute,\n" | |
1311 | "instead simply attempt that and catch any exception.\n" | |
1312 | "\n" | |
1313 | "The main use for @code{access?} is to let a set-UID/GID program\n" | |
1314 | "determine what the invoking user would have been allowed to do,\n" | |
1315 | "without the greater (or perhaps lesser) privileges afforded by\n" | |
1316 | "the effective ID. For more on this, see ``Testing File\n" | |
1317 | "Access'' in The GNU C Library Reference Manual.") | |
1318 | #define FUNC_NAME s_scm_access | |
1319 | { | |
1320 | int rv; | |
1321 | char *c_path; | |
1322 | ||
1323 | c_path = scm_to_locale_string (path); | |
1324 | rv = access (c_path, scm_to_int (how)); | |
1325 | free (c_path); | |
1326 | ||
1327 | return scm_from_bool (!rv); | |
1328 | } | |
1329 | #undef FUNC_NAME | |
1330 | ||
1331 | SCM_DEFINE (scm_chmod, "chmod", 2, 0, 0, | |
1332 | (SCM object, SCM mode), | |
b7e64f8b BT |
1333 | "Changes the permissions of the file referred to by\n" |
1334 | "@var{object}. @var{object} can be a string containing a file\n" | |
1335 | "name or a port or integer file descriptor which is open on a\n" | |
1336 | "file (in which case @code{fchmod} is used as the underlying\n" | |
1337 | "system call). @var{mode} specifies the new permissions as a\n" | |
1338 | "decimal number, e.g., @code{(chmod \"foo\" #o755)}.\n" | |
073167ef LC |
1339 | "The return value is unspecified.") |
1340 | #define FUNC_NAME s_scm_chmod | |
1341 | { | |
1342 | int rv; | |
073167ef LC |
1343 | |
1344 | object = SCM_COERCE_OUTPORT (object); | |
1345 | ||
5558cdaa | 1346 | #if HAVE_FCHMOD |
073167ef LC |
1347 | if (scm_is_integer (object) || SCM_OPFPORTP (object)) |
1348 | { | |
5558cdaa | 1349 | int fdes; |
073167ef LC |
1350 | if (scm_is_integer (object)) |
1351 | fdes = scm_to_int (object); | |
1352 | else | |
1353 | fdes = SCM_FPORT_FDES (object); | |
1354 | SCM_SYSCALL (rv = fchmod (fdes, scm_to_int (mode))); | |
1355 | } | |
1356 | else | |
5558cdaa | 1357 | #endif |
073167ef LC |
1358 | { |
1359 | STRING_SYSCALL (object, c_object, | |
1360 | rv = chmod (c_object, scm_to_int (mode))); | |
1361 | } | |
1362 | if (rv == -1) | |
1363 | SCM_SYSERROR; | |
1364 | return SCM_UNSPECIFIED; | |
1365 | } | |
1366 | #undef FUNC_NAME | |
1367 | ||
1368 | SCM_DEFINE (scm_umask, "umask", 0, 1, 0, | |
1369 | (SCM mode), | |
1370 | "If @var{mode} is omitted, returns a decimal number representing the current\n" | |
1371 | "file creation mask. Otherwise the file creation mask is set to\n" | |
1372 | "@var{mode} and the previous value is returned.\n\n" | |
1373 | "E.g., @code{(umask #o022)} sets the mask to octal 22, decimal 18.") | |
1374 | #define FUNC_NAME s_scm_umask | |
1375 | { | |
1376 | mode_t mask; | |
1377 | if (SCM_UNBNDP (mode)) | |
1378 | { | |
1379 | mask = umask (0); | |
1380 | umask (mask); | |
1381 | } | |
1382 | else | |
1383 | { | |
1384 | mask = umask (scm_to_uint (mode)); | |
1385 | } | |
1386 | return scm_from_uint (mask); | |
1387 | } | |
1388 | #undef FUNC_NAME | |
1389 | ||
1390 | #ifndef HAVE_MKSTEMP | |
1391 | extern int mkstemp (char *); | |
1392 | #endif | |
1393 | ||
1394 | SCM_DEFINE (scm_mkstemp, "mkstemp!", 1, 0, 0, | |
1395 | (SCM tmpl), | |
1396 | "Create a new unique file in the file system and return a new\n" | |
1397 | "buffered port open for reading and writing to the file.\n" | |
1398 | "\n" | |
1399 | "@var{tmpl} is a string specifying where the file should be\n" | |
1400 | "created: it must end with @samp{XXXXXX} and those @samp{X}s\n" | |
1401 | "will be changed in the string to return the name of the file.\n" | |
1402 | "(@code{port-filename} on the port also gives the name.)\n" | |
1403 | "\n" | |
1404 | "POSIX doesn't specify the permissions mode of the file, on GNU\n" | |
1405 | "and most systems it's @code{#o600}. An application can use\n" | |
1406 | "@code{chmod} to relax that if desired. For example\n" | |
1407 | "@code{#o666} less @code{umask}, which is usual for ordinary\n" | |
1408 | "file creation,\n" | |
1409 | "\n" | |
1410 | "@example\n" | |
1411 | "(let ((port (mkstemp! (string-copy \"/tmp/myfile-XXXXXX\"))))\n" | |
1412 | " (chmod port (logand #o666 (lognot (umask))))\n" | |
1413 | " ...)\n" | |
1414 | "@end example") | |
1415 | #define FUNC_NAME s_scm_mkstemp | |
1416 | { | |
1417 | char *c_tmpl; | |
1418 | int rv; | |
1419 | ||
1420 | scm_dynwind_begin (0); | |
1421 | ||
1422 | c_tmpl = scm_to_locale_string (tmpl); | |
1423 | scm_dynwind_free (c_tmpl); | |
1424 | ||
1425 | SCM_SYSCALL (rv = mkstemp (c_tmpl)); | |
1426 | if (rv == -1) | |
1427 | SCM_SYSERROR; | |
1428 | ||
1429 | scm_substring_move_x (scm_from_locale_string (c_tmpl), | |
1430 | SCM_INUM0, scm_string_length (tmpl), | |
1431 | tmpl, SCM_INUM0); | |
1432 | ||
1433 | scm_dynwind_end (); | |
1434 | return scm_fdes_to_port (rv, "w+", tmpl); | |
1435 | } | |
1436 | #undef FUNC_NAME | |
1437 | ||
0f2d19dd | 1438 | \f |
6a738a25 JB |
1439 | /* Filename manipulation */ |
1440 | ||
1441 | SCM scm_dot_string; | |
1442 | ||
9b6316ea AW |
1443 | #ifdef __MINGW32__ |
1444 | SCM_SYMBOL (sym_file_name_convention, "windows"); | |
1445 | #else | |
1446 | SCM_SYMBOL (sym_file_name_convention, "posix"); | |
1447 | #endif | |
1448 | ||
1449 | SCM_INTERNAL SCM scm_system_file_name_convention (void); | |
1450 | ||
1451 | SCM_DEFINE (scm_system_file_name_convention, | |
1452 | "system-file-name-convention", 0, 0, 0, (void), | |
1453 | "Return either @code{posix} or @code{windows}, depending on\n" | |
1454 | "what kind of system this Guile is running on.") | |
1455 | #define FUNC_NAME s_scm_system_file_name_convention | |
1456 | { | |
1457 | return sym_file_name_convention; | |
1458 | } | |
1459 | #undef FUNC_NAME | |
1460 | ||
a1ec6916 | 1461 | SCM_DEFINE (scm_dirname, "dirname", 1, 0, 0, |
1bbd0b84 | 1462 | (SCM filename), |
fa6a543f MG |
1463 | "Return the directory name component of the file name\n" |
1464 | "@var{filename}. If @var{filename} does not contain a directory\n" | |
1465 | "component, @code{.} is returned.") | |
1bbd0b84 | 1466 | #define FUNC_NAME s_scm_dirname |
6a738a25 | 1467 | { |
9fd38a3d DH |
1468 | long int i; |
1469 | unsigned long int len; | |
1470 | ||
34d19ef6 | 1471 | SCM_VALIDATE_STRING (1, filename); |
9fd38a3d | 1472 | |
cc95e00a | 1473 | len = scm_i_string_length (filename); |
9fd38a3d | 1474 | |
6a738a25 | 1475 | i = len - 1; |
7a17979e AW |
1476 | |
1477 | while (i >= 0 && is_file_name_separator (scm_c_string_ref (filename, i))) | |
832bbc95 | 1478 | --i; |
7a17979e | 1479 | while (i >= 0 && !is_file_name_separator (scm_c_string_ref (filename, i))) |
832bbc95 | 1480 | --i; |
7a17979e | 1481 | while (i >= 0 && is_file_name_separator (scm_c_string_ref (filename, i))) |
832bbc95 | 1482 | --i; |
7a17979e | 1483 | |
6a738a25 JB |
1484 | if (i < 0) |
1485 | { | |
7a17979e | 1486 | if (len > 0 && is_file_name_separator (scm_c_string_ref (filename, 0))) |
cc95e00a | 1487 | return scm_c_substring (filename, 0, 1); |
6a738a25 JB |
1488 | else |
1489 | return scm_dot_string; | |
1490 | } | |
1491 | else | |
cc95e00a | 1492 | return scm_c_substring (filename, 0, i + 1); |
6a738a25 | 1493 | } |
1bbd0b84 | 1494 | #undef FUNC_NAME |
6a738a25 | 1495 | |
a1ec6916 | 1496 | SCM_DEFINE (scm_basename, "basename", 1, 1, 0, |
1bbd0b84 | 1497 | (SCM filename, SCM suffix), |
fa6a543f MG |
1498 | "Return the base name of the file name @var{filename}. The\n" |
1499 | "base name is the file name without any directory components.\n" | |
bb2c02f2 | 1500 | "If @var{suffix} is provided, and is equal to the end of\n" |
b7e64f8b | 1501 | "@var{filename}, it is removed also.") |
1bbd0b84 | 1502 | #define FUNC_NAME s_scm_basename |
6a738a25 | 1503 | { |
6a738a25 | 1504 | int i, j, len, end; |
9fd38a3d | 1505 | |
34d19ef6 | 1506 | SCM_VALIDATE_STRING (1, filename); |
cc95e00a | 1507 | len = scm_i_string_length (filename); |
9fd38a3d | 1508 | |
6a738a25 JB |
1509 | if (SCM_UNBNDP (suffix)) |
1510 | j = -1; | |
1511 | else | |
1512 | { | |
9fd38a3d | 1513 | SCM_VALIDATE_STRING (2, suffix); |
cc95e00a | 1514 | j = scm_i_string_length (suffix) - 1; |
6a738a25 | 1515 | } |
6a738a25 | 1516 | i = len - 1; |
7a17979e | 1517 | while (i >= 0 && is_file_name_separator (scm_c_string_ref (filename, i))) |
832bbc95 | 1518 | --i; |
6a738a25 | 1519 | end = i; |
832bbc95 MG |
1520 | while (i >= 0 && j >= 0 |
1521 | && (scm_i_string_ref (filename, i) | |
1522 | == scm_i_string_ref (suffix, j))) | |
1523 | { | |
1524 | --i; | |
1525 | --j; | |
1526 | } | |
6a738a25 JB |
1527 | if (j == -1) |
1528 | end = i; | |
7a17979e | 1529 | while (i >= 0 && !is_file_name_separator (scm_c_string_ref (filename, i))) |
832bbc95 | 1530 | --i; |
6a738a25 JB |
1531 | if (i == end) |
1532 | { | |
7a17979e | 1533 | if (len > 0 && is_file_name_separator (scm_c_string_ref (filename, 0))) |
832bbc95 | 1534 | return scm_c_substring (filename, 0, 1); |
6a738a25 JB |
1535 | else |
1536 | return scm_dot_string; | |
1537 | } | |
1538 | else | |
cc95e00a | 1539 | return scm_c_substring (filename, i+1, end+1); |
6a738a25 | 1540 | } |
1bbd0b84 | 1541 | #undef FUNC_NAME |
6a738a25 | 1542 | |
25b82b34 AW |
1543 | SCM_DEFINE (scm_canonicalize_path, "canonicalize-path", 1, 0, 0, |
1544 | (SCM path), | |
1545 | "Return the canonical path of @var{path}. A canonical path has\n" | |
1546 | "no @code{.} or @code{..} components, nor any repeated path\n" | |
1547 | "separators (@code{/}) nor symlinks.\n\n" | |
1548 | "Raises an error if any component of @var{path} does not exist.") | |
1549 | #define FUNC_NAME s_scm_canonicalize_path | |
427c73b9 AW |
1550 | { |
1551 | char *str, *canon; | |
25b82b34 AW |
1552 | |
1553 | SCM_VALIDATE_STRING (1, path); | |
1554 | ||
1555 | str = scm_to_locale_string (path); | |
1556 | canon = canonicalize_file_name (str); | |
1557 | free (str); | |
1558 | ||
1559 | if (canon) | |
1560 | return scm_take_locale_string (canon); | |
1561 | else | |
1562 | SCM_SYSERROR; | |
1563 | } | |
1564 | #undef FUNC_NAME | |
6a738a25 | 1565 | |
22457d57 AW |
1566 | SCM |
1567 | scm_i_relativize_path (SCM path, SCM in_path) | |
1568 | { | |
1569 | char *str, *canon; | |
1570 | SCM scanon; | |
1571 | ||
1572 | str = scm_to_locale_string (path); | |
1573 | canon = canonicalize_file_name (str); | |
1574 | free (str); | |
1575 | ||
1576 | if (!canon) | |
1577 | return SCM_BOOL_F; | |
1578 | ||
1579 | scanon = scm_take_locale_string (canon); | |
1580 | ||
1581 | for (; scm_is_pair (in_path); in_path = scm_cdr (in_path)) | |
2ae7b7b6 LC |
1582 | { |
1583 | SCM dir = scm_car (in_path); | |
1584 | size_t len = scm_c_string_length (dir); | |
1585 | ||
1586 | /* When DIR is empty, it means "current working directory". We | |
1587 | could set DIR to (getcwd) in that case, but then the | |
1588 | canonicalization would depend on the current directory, which | |
1589 | is not what we want in the context of `compile-file', for | |
1590 | instance. */ | |
1591 | if (len > 0 | |
1592 | && scm_is_true (scm_string_prefix_p (dir, scanon, | |
1593 | SCM_UNDEFINED, SCM_UNDEFINED, | |
1594 | SCM_UNDEFINED, SCM_UNDEFINED))) | |
1595 | { | |
1596 | /* DIR either has a trailing delimiter or doesn't. SCANON | |
1597 | will be delimited by single delimiters. When DIR does not | |
1598 | have a trailing delimiter, add one to the length to strip | |
1599 | off the delimiter within SCANON. */ | |
7a17979e | 1600 | if (!is_file_name_separator (scm_c_string_ref (dir, len - 1))) |
2ae7b7b6 | 1601 | len++; |
22457d57 | 1602 | |
2ae7b7b6 LC |
1603 | if (scm_c_string_length (scanon) > len) |
1604 | return scm_substring (scanon, scm_from_size_t (len), SCM_UNDEFINED); | |
1605 | else | |
1606 | return SCM_BOOL_F; | |
1607 | } | |
1608 | } | |
22457d57 AW |
1609 | |
1610 | return SCM_BOOL_F; | |
1611 | } | |
1612 | ||
d0476fa2 LC |
1613 | \f |
1614 | /* Examining directories. These procedures are used by `check-guile' | |
1615 | and thus compiled unconditionally. */ | |
1616 | ||
1617 | scm_t_bits scm_tc16_dir; | |
1618 | ||
1619 | ||
1620 | SCM_DEFINE (scm_directory_stream_p, "directory-stream?", 1, 0, 0, | |
1621 | (SCM obj), | |
b7e64f8b | 1622 | "Return a boolean indicating whether @var{obj} is a directory\n" |
d0476fa2 LC |
1623 | "stream as returned by @code{opendir}.") |
1624 | #define FUNC_NAME s_scm_directory_stream_p | |
1625 | { | |
1626 | return scm_from_bool (SCM_DIRP (obj)); | |
1627 | } | |
1628 | #undef FUNC_NAME | |
1629 | ||
1630 | ||
1631 | SCM_DEFINE (scm_opendir, "opendir", 1, 0, 0, | |
1632 | (SCM dirname), | |
b7e64f8b | 1633 | "Open the directory specified by @var{dirname} and return a directory\n" |
d0476fa2 LC |
1634 | "stream.") |
1635 | #define FUNC_NAME s_scm_opendir | |
1636 | { | |
1637 | DIR *ds; | |
1638 | STRING_SYSCALL (dirname, c_dirname, ds = opendir (c_dirname)); | |
1639 | if (ds == NULL) | |
1640 | SCM_SYSERROR; | |
1641 | SCM_RETURN_NEWSMOB (scm_tc16_dir | (SCM_DIR_FLAG_OPEN<<16), ds); | |
1642 | } | |
1643 | #undef FUNC_NAME | |
1644 | ||
1645 | ||
1646 | /* FIXME: The glibc manual has a portability note that readdir_r may not | |
1647 | null-terminate its return string. The circumstances outlined for this | |
1648 | are not clear, nor is it clear what should be done about it. Lets use | |
1649 | NAMLEN and worry about what else should be done if/when someone can | |
1650 | figure it out. */ | |
1651 | ||
1652 | SCM_DEFINE (scm_readdir, "readdir", 1, 0, 0, | |
1653 | (SCM port), | |
1654 | "Return (as a string) the next directory entry from the directory stream\n" | |
b7e64f8b | 1655 | "@var{port}. If there is no remaining entry to be read then the\n" |
d0476fa2 LC |
1656 | "end of file object is returned.") |
1657 | #define FUNC_NAME s_scm_readdir | |
1658 | { | |
1659 | struct dirent_or_dirent64 *rdent; | |
1660 | ||
1661 | SCM_VALIDATE_DIR (1, port); | |
1662 | if (!SCM_DIR_OPEN_P (port)) | |
1663 | SCM_MISC_ERROR ("Directory ~S is not open.", scm_list_1 (port)); | |
1664 | ||
1665 | #if HAVE_READDIR_R | |
1666 | /* As noted in the glibc manual, on various systems (such as Solaris) the | |
1667 | d_name[] field is only 1 char and you're expected to size the dirent | |
1668 | buffer for readdir_r based on NAME_MAX. The SCM_MAX expressions below | |
1669 | effectively give either sizeof(d_name) or NAME_MAX+1, whichever is | |
1670 | bigger. | |
1671 | ||
1672 | On solaris 10 there's no NAME_MAX constant, it's necessary to use | |
1673 | pathconf(). We prefer NAME_MAX though, since it should be a constant | |
1674 | and will therefore save a system call. We also prefer it since dirfd() | |
1675 | is not available everywhere. | |
1676 | ||
1677 | An alternative to dirfd() would be to open() the directory and then use | |
1678 | fdopendir(), if the latter is available. That'd let us hold the fd | |
1679 | somewhere in the smob, or just the dirent size calculated once. */ | |
1680 | { | |
1681 | struct dirent_or_dirent64 de; /* just for sizeof */ | |
1682 | DIR *ds = (DIR *) SCM_SMOB_DATA_1 (port); | |
1683 | #ifdef NAME_MAX | |
1684 | char buf [SCM_MAX (sizeof (de), | |
1685 | sizeof (de) - sizeof (de.d_name) + NAME_MAX + 1)]; | |
1686 | #else | |
1687 | char *buf; | |
1688 | long name_max = fpathconf (dirfd (ds), _PC_NAME_MAX); | |
1689 | if (name_max == -1) | |
1690 | SCM_SYSERROR; | |
1691 | buf = alloca (SCM_MAX (sizeof (de), | |
1692 | sizeof (de) - sizeof (de.d_name) + name_max + 1)); | |
1693 | #endif | |
1694 | ||
1695 | errno = 0; | |
1696 | SCM_SYSCALL (readdir_r_or_readdir64_r (ds, (struct dirent_or_dirent64 *) buf, &rdent)); | |
1697 | if (errno != 0) | |
1698 | SCM_SYSERROR; | |
1699 | if (! rdent) | |
1700 | return SCM_EOF_VAL; | |
1701 | ||
1702 | return (rdent ? scm_from_locale_stringn (rdent->d_name, NAMLEN (rdent)) | |
1703 | : SCM_EOF_VAL); | |
1704 | } | |
1705 | #else | |
1706 | { | |
1707 | SCM ret; | |
1708 | scm_dynwind_begin (0); | |
1709 | scm_i_dynwind_pthread_mutex_lock (&scm_i_misc_mutex); | |
1710 | ||
1711 | errno = 0; | |
1712 | SCM_SYSCALL (rdent = readdir_or_readdir64 ((DIR *) SCM_SMOB_DATA_1 (port))); | |
1713 | if (errno != 0) | |
1714 | SCM_SYSERROR; | |
1715 | ||
1716 | ret = (rdent ? scm_from_locale_stringn (rdent->d_name, NAMLEN (rdent)) | |
1717 | : SCM_EOF_VAL); | |
1718 | ||
1719 | scm_dynwind_end (); | |
1720 | return ret; | |
1721 | } | |
1722 | #endif | |
1723 | } | |
1724 | #undef FUNC_NAME | |
1725 | ||
1726 | ||
1727 | SCM_DEFINE (scm_rewinddir, "rewinddir", 1, 0, 0, | |
1728 | (SCM port), | |
b7e64f8b | 1729 | "Reset the directory port @var{port} so that the next call to\n" |
d0476fa2 LC |
1730 | "@code{readdir} will return the first directory entry.") |
1731 | #define FUNC_NAME s_scm_rewinddir | |
1732 | { | |
1733 | SCM_VALIDATE_DIR (1, port); | |
1734 | if (!SCM_DIR_OPEN_P (port)) | |
1735 | SCM_MISC_ERROR ("Directory ~S is not open.", scm_list_1 (port)); | |
1736 | ||
1737 | rewinddir ((DIR *) SCM_SMOB_DATA_1 (port)); | |
1738 | ||
1739 | return SCM_UNSPECIFIED; | |
1740 | } | |
1741 | #undef FUNC_NAME | |
1742 | ||
1743 | ||
1744 | SCM_DEFINE (scm_closedir, "closedir", 1, 0, 0, | |
1745 | (SCM port), | |
b7e64f8b | 1746 | "Close the directory stream @var{port}.\n" |
d0476fa2 LC |
1747 | "The return value is unspecified.") |
1748 | #define FUNC_NAME s_scm_closedir | |
1749 | { | |
1750 | SCM_VALIDATE_DIR (1, port); | |
1751 | ||
1752 | if (SCM_DIR_OPEN_P (port)) | |
1753 | { | |
1754 | int sts; | |
1755 | ||
1756 | SCM_SYSCALL (sts = closedir ((DIR *) SCM_SMOB_DATA_1 (port))); | |
1757 | if (sts != 0) | |
1758 | SCM_SYSERROR; | |
1759 | ||
1760 | SCM_SET_SMOB_DATA_0 (port, scm_tc16_dir); | |
1761 | } | |
1762 | ||
1763 | return SCM_UNSPECIFIED; | |
1764 | } | |
1765 | #undef FUNC_NAME | |
1766 | ||
1767 | ||
1fa54298 | 1768 | #ifdef HAVE_POSIX |
d0476fa2 LC |
1769 | static int |
1770 | scm_dir_print (SCM exp, SCM port, scm_print_state *pstate SCM_UNUSED) | |
1771 | { | |
1772 | scm_puts ("#<", port); | |
1773 | if (!SCM_DIR_OPEN_P (exp)) | |
1774 | scm_puts ("closed: ", port); | |
1775 | scm_puts ("directory stream ", port); | |
1776 | scm_uintprint (SCM_SMOB_DATA_1 (exp), 16, port); | |
1777 | scm_putc ('>', port); | |
1778 | return 1; | |
1779 | } | |
1780 | ||
1781 | ||
1782 | static size_t | |
1783 | scm_dir_free (SCM p) | |
1784 | { | |
1785 | if (SCM_DIR_OPEN_P (p)) | |
1786 | closedir ((DIR *) SCM_SMOB_DATA_1 (p)); | |
1787 | return 0; | |
1788 | } | |
1fa54298 | 1789 | #endif |
6a738a25 JB |
1790 | |
1791 | \f | |
1cc91f1b | 1792 | |
0f2d19dd JB |
1793 | void |
1794 | scm_init_filesys () | |
0f2d19dd | 1795 | { |
073167ef | 1796 | #ifdef HAVE_POSIX |
e841c3e0 KN |
1797 | scm_tc16_dir = scm_make_smob_type ("directory", 0); |
1798 | scm_set_smob_free (scm_tc16_dir, scm_dir_free); | |
1799 | scm_set_smob_print (scm_tc16_dir, scm_dir_print); | |
0f2d19dd | 1800 | |
3d8d56df | 1801 | #ifdef O_RDONLY |
23d72566 | 1802 | scm_c_define ("O_RDONLY", scm_from_int (O_RDONLY)); |
3d8d56df GH |
1803 | #endif |
1804 | #ifdef O_WRONLY | |
23d72566 | 1805 | scm_c_define ("O_WRONLY", scm_from_int (O_WRONLY)); |
3d8d56df GH |
1806 | #endif |
1807 | #ifdef O_RDWR | |
23d72566 | 1808 | scm_c_define ("O_RDWR", scm_from_int (O_RDWR)); |
3d8d56df GH |
1809 | #endif |
1810 | #ifdef O_CREAT | |
23d72566 | 1811 | scm_c_define ("O_CREAT", scm_from_int (O_CREAT)); |
3d8d56df GH |
1812 | #endif |
1813 | #ifdef O_EXCL | |
23d72566 | 1814 | scm_c_define ("O_EXCL", scm_from_int (O_EXCL)); |
3d8d56df GH |
1815 | #endif |
1816 | #ifdef O_NOCTTY | |
23d72566 | 1817 | scm_c_define ("O_NOCTTY", scm_from_int (O_NOCTTY)); |
3d8d56df GH |
1818 | #endif |
1819 | #ifdef O_TRUNC | |
23d72566 | 1820 | scm_c_define ("O_TRUNC", scm_from_int (O_TRUNC)); |
3d8d56df GH |
1821 | #endif |
1822 | #ifdef O_APPEND | |
23d72566 | 1823 | scm_c_define ("O_APPEND", scm_from_int (O_APPEND)); |
3d8d56df | 1824 | #endif |
6afcd3b2 | 1825 | #ifdef O_NONBLOCK |
23d72566 | 1826 | scm_c_define ("O_NONBLOCK", scm_from_int (O_NONBLOCK)); |
3d8d56df GH |
1827 | #endif |
1828 | #ifdef O_NDELAY | |
23d72566 | 1829 | scm_c_define ("O_NDELAY", scm_from_int (O_NDELAY)); |
3d8d56df GH |
1830 | #endif |
1831 | #ifdef O_SYNC | |
23d72566 | 1832 | scm_c_define ("O_SYNC", scm_from_int (O_SYNC)); |
3d8d56df | 1833 | #endif |
23f2b9a3 | 1834 | #ifdef O_LARGEFILE |
23d72566 | 1835 | scm_c_define ("O_LARGEFILE", scm_from_int (O_LARGEFILE)); |
3565df45 LC |
1836 | #endif |
1837 | #ifdef O_NOTRANS | |
1838 | scm_c_define ("O_NOTRANS", scm_from_int (O_NOTRANS)); | |
1839 | #endif | |
3d8d56df | 1840 | |
4c1feaa5 | 1841 | #ifdef F_DUPFD |
23d72566 | 1842 | scm_c_define ("F_DUPFD", scm_from_int (F_DUPFD)); |
4c1feaa5 JB |
1843 | #endif |
1844 | #ifdef F_GETFD | |
23d72566 | 1845 | scm_c_define ("F_GETFD", scm_from_int (F_GETFD)); |
4c1feaa5 JB |
1846 | #endif |
1847 | #ifdef F_SETFD | |
23d72566 | 1848 | scm_c_define ("F_SETFD", scm_from_int (F_SETFD)); |
4c1feaa5 JB |
1849 | #endif |
1850 | #ifdef F_GETFL | |
23d72566 | 1851 | scm_c_define ("F_GETFL", scm_from_int (F_GETFL)); |
4c1feaa5 JB |
1852 | #endif |
1853 | #ifdef F_SETFL | |
23d72566 | 1854 | scm_c_define ("F_SETFL", scm_from_int (F_SETFL)); |
4c1feaa5 JB |
1855 | #endif |
1856 | #ifdef F_GETOWN | |
23d72566 | 1857 | scm_c_define ("F_GETOWN", scm_from_int (F_GETOWN)); |
4c1feaa5 JB |
1858 | #endif |
1859 | #ifdef F_SETOWN | |
23d72566 | 1860 | scm_c_define ("F_SETOWN", scm_from_int (F_SETOWN)); |
4c1feaa5 JB |
1861 | #endif |
1862 | #ifdef FD_CLOEXEC | |
23d72566 | 1863 | scm_c_define ("FD_CLOEXEC", scm_from_int (FD_CLOEXEC)); |
bd9e24b3 | 1864 | #endif |
073167ef LC |
1865 | #endif /* HAVE_POSIX */ |
1866 | ||
1867 | /* `access' symbols. */ | |
1868 | scm_c_define ("R_OK", scm_from_int (R_OK)); | |
1869 | scm_c_define ("W_OK", scm_from_int (W_OK)); | |
1870 | scm_c_define ("X_OK", scm_from_int (X_OK)); | |
1871 | scm_c_define ("F_OK", scm_from_int (F_OK)); | |
1872 | ||
1873 | scm_dot_string = scm_from_locale_string ("."); | |
3d8d56df | 1874 | |
a0599745 | 1875 | #include "libguile/filesys.x" |
0f2d19dd | 1876 | } |
89e00824 ML |
1877 | |
1878 | /* | |
1879 | Local Variables: | |
1880 | c-file-style: "gnu" | |
1881 | End: | |
1882 | */ |