Commit | Line | Data |
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03976fee | 1 | /* Copyright (C) 1996,1997,1998,1999,2000,2001, 2002, 2004, 2006, 2009, 2010, 2011 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e | 3 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
4 | * modify it under the terms of the GNU Lesser General Public License |
5 | * as published by the Free Software Foundation; either version 3 of | |
6 | * the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
53befeb7 NJ |
8 | * This library is distributed in the hope that it will be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
16 | * 02110-1301 USA | |
73be1d9e | 17 | */ |
1bbd0b84 | 18 | |
1bbd0b84 | 19 | |
0f2d19dd | 20 | \f |
073167ef LC |
21 | /* This file contains POSIX file system access procedures. Procedures |
22 | essential to the compiler and run-time (`stat', `canonicalize-path', | |
23 | etc.) are compiled even with `--disable-posix'. */ | |
24 | ||
464ee095 KR |
25 | |
26 | /* See stime.c for comments on why _POSIX_C_SOURCE is not always defined. */ | |
2b829bbb | 27 | #define _LARGEFILE64_SOURCE /* ask for stat64 etc */ |
464ee095 KR |
28 | #ifdef __hpux |
29 | #define _POSIX_C_SOURCE 199506L /* for readdir_r */ | |
edea856c | 30 | #endif |
6d484a0b | 31 | |
dbb605f5 | 32 | #ifdef HAVE_CONFIG_H |
83079454 RB |
33 | # include <config.h> |
34 | #endif | |
35 | ||
f7439099 | 36 | #include <alloca.h> |
2b829bbb | 37 | |
8912421c | 38 | #include <stdlib.h> |
3d8d56df | 39 | #include <stdio.h> |
e6e2e95a MD |
40 | #include <errno.h> |
41 | ||
a0599745 MD |
42 | #include "libguile/_scm.h" |
43 | #include "libguile/smob.h" | |
44 | #include "libguile/feature.h" | |
45 | #include "libguile/fports.h" | |
2b829bbb | 46 | #include "libguile/private-gc.h" /* for SCM_MAX */ |
a0599745 MD |
47 | #include "libguile/iselect.h" |
48 | #include "libguile/strings.h" | |
49 | #include "libguile/vectors.h" | |
1299a0f1 | 50 | #include "libguile/dynwind.h" |
0f2d19dd | 51 | |
a0599745 MD |
52 | #include "libguile/validate.h" |
53 | #include "libguile/filesys.h" | |
def804a3 | 54 | |
0f2d19dd | 55 | \f |
def804a3 JB |
56 | #ifdef HAVE_IO_H |
57 | #include <io.h> | |
58 | #endif | |
59 | ||
e0c73a1c MV |
60 | #ifdef HAVE_DIRECT_H |
61 | #include <direct.h> | |
62 | #endif | |
63 | ||
0f2d19dd JB |
64 | #ifdef TIME_WITH_SYS_TIME |
65 | # include <sys/time.h> | |
66 | # include <time.h> | |
67 | #else | |
68 | # if HAVE_SYS_TIME_H | |
69 | # include <sys/time.h> | |
70 | # else | |
71 | # include <time.h> | |
72 | # endif | |
73 | #endif | |
74 | ||
75 | #ifdef HAVE_UNISTD_H | |
76 | #include <unistd.h> | |
77 | #endif | |
78 | ||
3594582b | 79 | #ifdef LIBC_H_WITH_UNISTD_H |
1f9e2226 JB |
80 | #include <libc.h> |
81 | #endif | |
82 | ||
0f2d19dd JB |
83 | #ifdef HAVE_SYS_SELECT_H |
84 | #include <sys/select.h> | |
85 | #endif | |
86 | ||
1f9e2226 JB |
87 | #ifdef HAVE_STRING_H |
88 | #include <string.h> | |
89 | #endif | |
90 | ||
8cc71382 | 91 | #include <sys/types.h> |
0f2d19dd JB |
92 | #include <sys/stat.h> |
93 | #include <fcntl.h> | |
94 | ||
82893676 | 95 | #ifdef HAVE_PWD_H |
0f2d19dd | 96 | #include <pwd.h> |
82893676 | 97 | #endif |
0f2d19dd JB |
98 | |
99 | ||
95643853 | 100 | #if HAVE_DIRENT_H |
0f2d19dd JB |
101 | # include <dirent.h> |
102 | # define NAMLEN(dirent) strlen((dirent)->d_name) | |
103 | #else | |
104 | # define dirent direct | |
105 | # define NAMLEN(dirent) (dirent)->d_namlen | |
106 | # if HAVE_SYS_NDIR_H | |
107 | # include <sys/ndir.h> | |
108 | # endif | |
109 | # if HAVE_SYS_DIR_H | |
110 | # include <sys/dir.h> | |
111 | # endif | |
112 | # if HAVE_NDIR_H | |
113 | # include <ndir.h> | |
114 | # endif | |
115 | #endif | |
116 | ||
82893676 MG |
117 | /* Some more definitions for the native Windows port. */ |
118 | #ifdef __MINGW32__ | |
119 | # define mkdir(path, mode) mkdir (path) | |
120 | # define fsync(fd) _commit (fd) | |
121 | # define fchmod(fd, mode) (-1) | |
122 | #endif /* __MINGW32__ */ | |
2b829bbb | 123 | |
8ab3d8a0 KR |
124 | /* dirfd() returns the file descriptor underlying a "DIR*" directory stream. |
125 | Found on MacOS X for instance. The following definition is for Solaris | |
126 | 10, it's probably not right elsewhere, but that's ok, it shouldn't be | |
127 | used elsewhere. Crib note: If we need more then gnulib has a dirfd.m4 | |
128 | figuring out how to get the fd (dirfd function, dirfd macro, dd_fd field, | |
129 | or d_fd field). */ | |
130 | #ifndef dirfd | |
131 | #define dirfd(dirstream) ((dirstream)->dd_fd) | |
2b829bbb KR |
132 | #endif |
133 | ||
0f2d19dd JB |
134 | \f |
135 | ||
1299a0f1 MV |
136 | /* Two helper macros for an often used pattern */ |
137 | ||
138 | #define STRING_SYSCALL(str,cstr,code) \ | |
139 | do { \ | |
140 | int eno; \ | |
141 | char *cstr = scm_to_locale_string (str); \ | |
142 | SCM_SYSCALL (code); \ | |
143 | eno = errno; free (cstr); errno = eno; \ | |
144 | } while (0) | |
145 | ||
146 | #define STRING2_SYSCALL(str1,cstr1,str2,cstr2,code) \ | |
147 | do { \ | |
148 | int eno; \ | |
149 | char *cstr1, *cstr2; \ | |
661ae7ab | 150 | scm_dynwind_begin (0); \ |
1299a0f1 | 151 | cstr1 = scm_to_locale_string (str1); \ |
661ae7ab | 152 | scm_dynwind_free (cstr1); \ |
1299a0f1 | 153 | cstr2 = scm_to_locale_string (str2); \ |
661ae7ab | 154 | scm_dynwind_free (cstr2); \ |
1299a0f1 | 155 | SCM_SYSCALL (code); \ |
661ae7ab | 156 | eno = errno; scm_dynwind_end (); errno = eno; \ |
1299a0f1 | 157 | } while (0) |
0f2d19dd JB |
158 | |
159 | \f | |
160 | ||
073167ef LC |
161 | #ifdef HAVE_POSIX |
162 | ||
0f2d19dd JB |
163 | /* {Permissions} |
164 | */ | |
165 | ||
82893676 | 166 | #ifdef HAVE_CHOWN |
a1ec6916 | 167 | SCM_DEFINE (scm_chown, "chown", 3, 0, 0, |
1bbd0b84 | 168 | (SCM object, SCM owner, SCM group), |
d831b039 GH |
169 | "Change the ownership and group of the file referred to by @var{object} to\n" |
170 | "the integer values @var{owner} and @var{group}. @var{object} can be\n" | |
171 | "a string containing a file name or, if the platform\n" | |
172 | "supports fchown, a port or integer file descriptor\n" | |
173 | "which is open on the file. The return value\n" | |
d3818c29 | 174 | "is unspecified.\n\n" |
d831b039 | 175 | "If @var{object} is a symbolic link, either the\n" |
d3818c29 MD |
176 | "ownership of the link or the ownership of the referenced file will be\n" |
177 | "changed depending on the operating system (lchown is\n" | |
178 | "unsupported at present). If @var{owner} or @var{group} is specified\n" | |
179 | "as @code{-1}, then that ID is not changed.") | |
1bbd0b84 | 180 | #define FUNC_NAME s_scm_chown |
0f2d19dd | 181 | { |
6afcd3b2 | 182 | int rv; |
02b754d3 | 183 | |
78446828 MV |
184 | object = SCM_COERCE_OUTPORT (object); |
185 | ||
d831b039 | 186 | #ifdef HAVE_FCHOWN |
a55c2b68 | 187 | if (scm_is_integer (object) || (SCM_OPFPORTP (object))) |
6afcd3b2 | 188 | { |
a55c2b68 MV |
189 | int fdes = (SCM_OPFPORTP (object)? |
190 | SCM_FPORT_FDES (object) : scm_to_int (object)); | |
d831b039 | 191 | |
a55c2b68 | 192 | SCM_SYSCALL (rv = fchown (fdes, scm_to_int (owner), scm_to_int (group))); |
6afcd3b2 GH |
193 | } |
194 | else | |
d831b039 | 195 | #endif |
6afcd3b2 | 196 | { |
1299a0f1 MV |
197 | STRING_SYSCALL (object, c_object, |
198 | rv = chown (c_object, | |
199 | scm_to_int (owner), scm_to_int (group))); | |
6afcd3b2 GH |
200 | } |
201 | if (rv == -1) | |
1bbd0b84 | 202 | SCM_SYSERROR; |
02b754d3 | 203 | return SCM_UNSPECIFIED; |
0f2d19dd | 204 | } |
1bbd0b84 | 205 | #undef FUNC_NAME |
82893676 | 206 | #endif /* HAVE_CHOWN */ |
0f2d19dd | 207 | |
0f2d19dd | 208 | \f |
0f2d19dd | 209 | |
a1ec6916 | 210 | SCM_DEFINE (scm_open_fdes, "open-fdes", 2, 1, 0, |
1bbd0b84 | 211 | (SCM path, SCM flags, SCM mode), |
1e6808ea MG |
212 | "Similar to @code{open} but return a file descriptor instead of\n" |
213 | "a port.") | |
1bbd0b84 | 214 | #define FUNC_NAME s_scm_open_fdes |
0f2d19dd JB |
215 | { |
216 | int fd; | |
3d8d56df | 217 | int iflags; |
6afcd3b2 | 218 | int imode; |
0f2d19dd | 219 | |
1be6b49c ML |
220 | iflags = SCM_NUM2INT (2, flags); |
221 | imode = SCM_NUM2INT_DEF (3, mode, 0666); | |
23f2b9a3 | 222 | STRING_SYSCALL (path, c_path, fd = open_or_open64 (c_path, iflags, imode)); |
3d8d56df | 223 | if (fd == -1) |
1bbd0b84 | 224 | SCM_SYSERROR; |
e11e83f3 | 225 | return scm_from_int (fd); |
6afcd3b2 | 226 | } |
1bbd0b84 | 227 | #undef FUNC_NAME |
6afcd3b2 | 228 | |
a1ec6916 | 229 | SCM_DEFINE (scm_open, "open", 2, 1, 0, |
1bbd0b84 | 230 | (SCM path, SCM flags, SCM mode), |
d3818c29 MD |
231 | "Open the file named by @var{path} for reading and/or writing.\n" |
232 | "@var{flags} is an integer specifying how the file should be opened.\n" | |
233 | "@var{mode} is an integer specifying the permission bits of the file, if\n" | |
234 | "it needs to be created, before the umask is applied. The default is 666\n" | |
235 | "(Unix itself has no default).\n\n" | |
236 | "@var{flags} can be constructed by combining variables using @code{logior}.\n" | |
237 | "Basic flags are:\n\n" | |
238 | "@defvar O_RDONLY\n" | |
239 | "Open the file read-only.\n" | |
240 | "@end defvar\n" | |
241 | "@defvar O_WRONLY\n" | |
9401323e | 242 | "Open the file write-only.\n" |
d3818c29 MD |
243 | "@end defvar\n" |
244 | "@defvar O_RDWR\n" | |
245 | "Open the file read/write.\n" | |
246 | "@end defvar\n" | |
247 | "@defvar O_APPEND\n" | |
248 | "Append to the file instead of truncating.\n" | |
249 | "@end defvar\n" | |
250 | "@defvar O_CREAT\n" | |
251 | "Create the file if it does not already exist.\n" | |
252 | "@end defvar\n\n" | |
253 | "See the Unix documentation of the @code{open} system call\n" | |
254 | "for additional flags.") | |
1bbd0b84 | 255 | #define FUNC_NAME s_scm_open |
6afcd3b2 GH |
256 | { |
257 | SCM newpt; | |
258 | char *port_mode; | |
259 | int fd; | |
6afcd3b2 GH |
260 | int iflags; |
261 | ||
e11e83f3 | 262 | fd = scm_to_int (scm_open_fdes (path, flags, mode)); |
1be6b49c | 263 | iflags = SCM_NUM2INT (2, flags); |
3d8d56df | 264 | if (iflags & O_RDWR) |
77a76b64 JB |
265 | { |
266 | if (iflags & O_APPEND) | |
267 | port_mode = "a+"; | |
268 | else if (iflags & O_CREAT) | |
269 | port_mode = "w+"; | |
270 | else | |
271 | port_mode = "r+"; | |
272 | } | |
3d8d56df | 273 | else { |
77a76b64 JB |
274 | if (iflags & O_APPEND) |
275 | port_mode = "a"; | |
276 | else if (iflags & O_WRONLY) | |
3d8d56df GH |
277 | port_mode = "w"; |
278 | else | |
279 | port_mode = "r"; | |
280 | } | |
77a76b64 | 281 | newpt = scm_fdes_to_port (fd, port_mode, path); |
3d8d56df | 282 | return newpt; |
0f2d19dd | 283 | } |
1bbd0b84 | 284 | #undef FUNC_NAME |
0f2d19dd | 285 | |
a1ec6916 | 286 | SCM_DEFINE (scm_close, "close", 1, 0, 0, |
1bbd0b84 | 287 | (SCM fd_or_port), |
8f85c0c6 | 288 | "Similar to close-port (@pxref{Closing, close-port}),\n" |
d3818c29 MD |
289 | "but also works on file descriptors. A side\n" |
290 | "effect of closing a file descriptor is that any ports using that file\n" | |
291 | "descriptor are moved to a different file descriptor and have\n" | |
292 | "their revealed counts set to zero.") | |
1bbd0b84 | 293 | #define FUNC_NAME s_scm_close |
eadd48de GH |
294 | { |
295 | int rv; | |
296 | int fd; | |
297 | ||
78446828 MV |
298 | fd_or_port = SCM_COERCE_OUTPORT (fd_or_port); |
299 | ||
0c95b57d | 300 | if (SCM_PORTP (fd_or_port)) |
eadd48de | 301 | return scm_close_port (fd_or_port); |
a55c2b68 | 302 | fd = scm_to_int (fd_or_port); |
eadd48de | 303 | scm_evict_ports (fd); /* see scsh manual. */ |
a9488d12 | 304 | SCM_SYSCALL (rv = close (fd)); |
eadd48de GH |
305 | /* following scsh, closing an already closed file descriptor is |
306 | not an error. */ | |
307 | if (rv < 0 && errno != EBADF) | |
1bbd0b84 | 308 | SCM_SYSERROR; |
7888309b | 309 | return scm_from_bool (rv >= 0); |
eadd48de | 310 | } |
1bbd0b84 | 311 | #undef FUNC_NAME |
eadd48de | 312 | |
c2ca4493 GH |
313 | SCM_DEFINE (scm_close_fdes, "close-fdes", 1, 0, 0, |
314 | (SCM fd), | |
315 | "A simple wrapper for the @code{close} system call.\n" | |
316 | "Close file descriptor @var{fd}, which must be an integer.\n" | |
317 | "Unlike close (@pxref{Ports and File Descriptors, close}),\n" | |
318 | "the file descriptor will be closed even if a port is using it.\n" | |
319 | "The return value is unspecified.") | |
320 | #define FUNC_NAME s_scm_close_fdes | |
321 | { | |
322 | int c_fd; | |
323 | int rv; | |
324 | ||
a55c2b68 | 325 | c_fd = scm_to_int (fd); |
c2ca4493 GH |
326 | SCM_SYSCALL (rv = close (c_fd)); |
327 | if (rv < 0) | |
328 | SCM_SYSERROR; | |
329 | return SCM_UNSPECIFIED; | |
330 | } | |
331 | #undef FUNC_NAME | |
332 | ||
073167ef LC |
333 | #endif /* HAVE_POSIX */ |
334 | ||
0f2d19dd JB |
335 | \f |
336 | /* {Files} | |
337 | */ | |
1cc91f1b | 338 | |
ae5253c5 GH |
339 | SCM_SYMBOL (scm_sym_regular, "regular"); |
340 | SCM_SYMBOL (scm_sym_directory, "directory"); | |
23f2b9a3 | 341 | #ifdef S_ISLNK |
ae5253c5 | 342 | SCM_SYMBOL (scm_sym_symlink, "symlink"); |
f326ecf3 | 343 | #endif |
ae5253c5 GH |
344 | SCM_SYMBOL (scm_sym_block_special, "block-special"); |
345 | SCM_SYMBOL (scm_sym_char_special, "char-special"); | |
346 | SCM_SYMBOL (scm_sym_fifo, "fifo"); | |
347 | SCM_SYMBOL (scm_sym_sock, "socket"); | |
348 | SCM_SYMBOL (scm_sym_unknown, "unknown"); | |
349 | ||
0f2d19dd | 350 | static SCM |
2b829bbb | 351 | scm_stat2scm (struct stat_or_stat64 *stat_temp) |
0f2d19dd | 352 | { |
06bfe276 | 353 | SCM ans = scm_c_make_vector (18, SCM_UNSPECIFIED); |
ae5253c5 | 354 | |
4057a3e0 | 355 | SCM_SIMPLE_VECTOR_SET(ans, 0, scm_from_ulong (stat_temp->st_dev)); |
2b829bbb | 356 | SCM_SIMPLE_VECTOR_SET(ans, 1, scm_from_ino_t_or_ino64_t (stat_temp->st_ino)); |
4057a3e0 MV |
357 | SCM_SIMPLE_VECTOR_SET(ans, 2, scm_from_ulong (stat_temp->st_mode)); |
358 | SCM_SIMPLE_VECTOR_SET(ans, 3, scm_from_ulong (stat_temp->st_nlink)); | |
359 | SCM_SIMPLE_VECTOR_SET(ans, 4, scm_from_ulong (stat_temp->st_uid)); | |
360 | SCM_SIMPLE_VECTOR_SET(ans, 5, scm_from_ulong (stat_temp->st_gid)); | |
1fd85bc5 | 361 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
4057a3e0 | 362 | SCM_SIMPLE_VECTOR_SET(ans, 6, scm_from_ulong (stat_temp->st_rdev)); |
0f2d19dd | 363 | #else |
4057a3e0 | 364 | SCM_SIMPLE_VECTOR_SET(ans, 6, SCM_BOOL_F); |
0f2d19dd | 365 | #endif |
2b829bbb | 366 | SCM_SIMPLE_VECTOR_SET(ans, 7, scm_from_off_t_or_off64_t (stat_temp->st_size)); |
4057a3e0 MV |
367 | SCM_SIMPLE_VECTOR_SET(ans, 8, scm_from_ulong (stat_temp->st_atime)); |
368 | SCM_SIMPLE_VECTOR_SET(ans, 9, scm_from_ulong (stat_temp->st_mtime)); | |
369 | SCM_SIMPLE_VECTOR_SET(ans, 10, scm_from_ulong (stat_temp->st_ctime)); | |
1fd85bc5 | 370 | #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE |
4057a3e0 | 371 | SCM_SIMPLE_VECTOR_SET(ans, 11, scm_from_ulong (stat_temp->st_blksize)); |
0f2d19dd | 372 | #else |
4057a3e0 | 373 | SCM_SIMPLE_VECTOR_SET(ans, 11, scm_from_ulong (4096L)); |
0f2d19dd | 374 | #endif |
1fd85bc5 | 375 | #ifdef HAVE_STRUCT_STAT_ST_BLOCKS |
2b829bbb | 376 | SCM_SIMPLE_VECTOR_SET(ans, 12, scm_from_blkcnt_t_or_blkcnt64_t (stat_temp->st_blocks)); |
0f2d19dd | 377 | #else |
4057a3e0 | 378 | SCM_SIMPLE_VECTOR_SET(ans, 12, SCM_BOOL_F); |
0f2d19dd | 379 | #endif |
ae5253c5 GH |
380 | { |
381 | int mode = stat_temp->st_mode; | |
382 | ||
383 | if (S_ISREG (mode)) | |
4057a3e0 | 384 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_regular); |
ae5253c5 | 385 | else if (S_ISDIR (mode)) |
4057a3e0 | 386 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_directory); |
23f2b9a3 KR |
387 | #ifdef S_ISLNK |
388 | /* systems without symlinks probably don't have S_ISLNK */ | |
ae5253c5 | 389 | else if (S_ISLNK (mode)) |
4057a3e0 | 390 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_symlink); |
f326ecf3 | 391 | #endif |
ae5253c5 | 392 | else if (S_ISBLK (mode)) |
4057a3e0 | 393 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_block_special); |
ae5253c5 | 394 | else if (S_ISCHR (mode)) |
4057a3e0 | 395 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_char_special); |
ae5253c5 | 396 | else if (S_ISFIFO (mode)) |
4057a3e0 | 397 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_fifo); |
e655d034 | 398 | #ifdef S_ISSOCK |
ae5253c5 | 399 | else if (S_ISSOCK (mode)) |
4057a3e0 | 400 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_sock); |
e655d034 | 401 | #endif |
ae5253c5 | 402 | else |
4057a3e0 | 403 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_unknown); |
ae5253c5 | 404 | |
4057a3e0 | 405 | SCM_SIMPLE_VECTOR_SET(ans, 14, scm_from_int ((~S_IFMT) & mode)); |
ae5253c5 GH |
406 | |
407 | /* the layout of the bits in ve[14] is intended to be portable. | |
408 | If there are systems that don't follow the usual convention, | |
409 | the following could be used: | |
410 | ||
411 | tmp = 0; | |
412 | if (S_ISUID & mode) tmp += 1; | |
413 | tmp <<= 1; | |
414 | if (S_IRGRP & mode) tmp += 1; | |
415 | tmp <<= 1; | |
416 | if (S_ISVTX & mode) tmp += 1; | |
417 | tmp <<= 1; | |
418 | if (S_IRUSR & mode) tmp += 1; | |
419 | tmp <<= 1; | |
420 | if (S_IWUSR & mode) tmp += 1; | |
421 | tmp <<= 1; | |
422 | if (S_IXUSR & mode) tmp += 1; | |
423 | tmp <<= 1; | |
424 | if (S_IWGRP & mode) tmp += 1; | |
425 | tmp <<= 1; | |
426 | if (S_IXGRP & mode) tmp += 1; | |
427 | tmp <<= 1; | |
428 | if (S_IROTH & mode) tmp += 1; | |
429 | tmp <<= 1; | |
430 | if (S_IWOTH & mode) tmp += 1; | |
431 | tmp <<= 1; | |
432 | if (S_IXOTH & mode) tmp += 1; | |
433 | ||
4057a3e0 | 434 | SCM_SIMPLE_VECTOR_SET(ans, 14, scm_from_int (tmp)); |
ae5253c5 GH |
435 | |
436 | */ | |
437 | } | |
06bfe276 AW |
438 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
439 | SCM_SIMPLE_VECTOR_SET(ans, 15, scm_from_long (stat_temp->st_atim.tv_nsec)); | |
440 | #else | |
441 | SCM_SIMPLE_VECTOR_SET(ans, 15, SCM_I_MAKINUM (0)); | |
442 | #endif | |
443 | #ifdef HAVE_STRUCT_STAT_ST_MTIM | |
444 | SCM_SIMPLE_VECTOR_SET(ans, 16, scm_from_long (stat_temp->st_mtim.tv_nsec)); | |
445 | #else | |
446 | SCM_SIMPLE_VECTOR_SET(ans, 16, SCM_I_MAKINUM (0)); | |
447 | #endif | |
448 | #ifdef HAVE_STRUCT_STAT_ST_CTIM | |
449 | SCM_SIMPLE_VECTOR_SET(ans, 17, scm_from_ulong (stat_temp->st_ctim.tv_sec)); | |
450 | #else | |
451 | SCM_SIMPLE_VECTOR_SET(ans, 17, SCM_I_MAKINUM (0)); | |
452 | #endif | |
0f2d19dd JB |
453 | |
454 | return ans; | |
455 | } | |
456 | ||
e0c73a1c MV |
457 | #ifdef __MINGW32__ |
458 | /* | |
459 | * Try getting the appropiate stat buffer for a given file descriptor | |
460 | * under Windows. It differentiates between file, pipe and socket | |
461 | * descriptors. | |
462 | */ | |
463 | static int fstat_Win32 (int fdes, struct stat *buf) | |
464 | { | |
465 | int error, optlen = sizeof (int); | |
466 | ||
467 | memset (buf, 0, sizeof (struct stat)); | |
468 | ||
469 | /* Is this a socket ? */ | |
470 | if (getsockopt (fdes, SOL_SOCKET, SO_ERROR, (void *) &error, &optlen) >= 0) | |
471 | { | |
19761af1 | 472 | buf->st_mode = _S_IREAD | _S_IWRITE | _S_IEXEC; |
e0c73a1c MV |
473 | buf->st_nlink = 1; |
474 | buf->st_atime = buf->st_ctime = buf->st_mtime = time (NULL); | |
475 | return 0; | |
476 | } | |
477 | /* Maybe a regular file or pipe ? */ | |
478 | return fstat (fdes, buf); | |
479 | } | |
480 | #endif /* __MINGW32__ */ | |
481 | ||
fcb6f5ff AW |
482 | SCM_DEFINE (scm_stat, "stat", 1, 1, 0, |
483 | (SCM object, SCM exception_on_error), | |
1e6808ea MG |
484 | "Return an object containing various information about the file\n" |
485 | "determined by @var{obj}. @var{obj} can be a string containing\n" | |
486 | "a file name or a port or integer file descriptor which is open\n" | |
487 | "on a file (in which case @code{fstat} is used as the underlying\n" | |
488 | "system call).\n" | |
489 | "\n" | |
fcb6f5ff AW |
490 | "If the optional @var{exception_on_error} argument is true, which\n" |
491 | "is the default, an exception will be raised if the underlying\n" | |
492 | "system call returns an error, for example if the file is not\n" | |
493 | "found or is not readable. Otherwise, an error will cause\n" | |
494 | "@code{stat} to return @code{#f}." | |
495 | "\n" | |
496 | "The object returned by a successful call to @code{stat} can be\n" | |
497 | "passed as a single parameter to the following procedures, all of\n" | |
498 | "which return integers:\n" | |
1e6808ea | 499 | "\n" |
d3818c29 MD |
500 | "@table @code\n" |
501 | "@item stat:dev\n" | |
502 | "The device containing the file.\n" | |
503 | "@item stat:ino\n" | |
1e6808ea MG |
504 | "The file serial number, which distinguishes this file from all\n" |
505 | "other files on the same device.\n" | |
d3818c29 | 506 | "@item stat:mode\n" |
1e6808ea MG |
507 | "The mode of the file. This includes file type information and\n" |
508 | "the file permission bits. See @code{stat:type} and\n" | |
509 | "@code{stat:perms} below.\n" | |
d3818c29 MD |
510 | "@item stat:nlink\n" |
511 | "The number of hard links to the file.\n" | |
512 | "@item stat:uid\n" | |
513 | "The user ID of the file's owner.\n" | |
514 | "@item stat:gid\n" | |
515 | "The group ID of the file.\n" | |
516 | "@item stat:rdev\n" | |
517 | "Device ID; this entry is defined only for character or block\n" | |
518 | "special files.\n" | |
519 | "@item stat:size\n" | |
520 | "The size of a regular file in bytes.\n" | |
521 | "@item stat:atime\n" | |
522 | "The last access time for the file.\n" | |
523 | "@item stat:mtime\n" | |
524 | "The last modification time for the file.\n" | |
525 | "@item stat:ctime\n" | |
526 | "The last modification time for the attributes of the file.\n" | |
527 | "@item stat:blksize\n" | |
1e6808ea MG |
528 | "The optimal block size for reading or writing the file, in\n" |
529 | "bytes.\n" | |
d3818c29 | 530 | "@item stat:blocks\n" |
1e6808ea MG |
531 | "The amount of disk space that the file occupies measured in\n" |
532 | "units of 512 byte blocks.\n" | |
533 | "@end table\n" | |
534 | "\n" | |
d3818c29 | 535 | "In addition, the following procedures return the information\n" |
1e6808ea MG |
536 | "from stat:mode in a more convenient form:\n" |
537 | "\n" | |
d3818c29 MD |
538 | "@table @code\n" |
539 | "@item stat:type\n" | |
540 | "A symbol representing the type of file. Possible values are\n" | |
1e6808ea MG |
541 | "regular, directory, symlink, block-special, char-special, fifo,\n" |
542 | "socket and unknown\n" | |
d3818c29 MD |
543 | "@item stat:perms\n" |
544 | "An integer representing the access permission bits.\n" | |
545 | "@end table") | |
1bbd0b84 | 546 | #define FUNC_NAME s_scm_stat |
0f2d19dd | 547 | { |
6afcd3b2 GH |
548 | int rv; |
549 | int fdes; | |
2b829bbb | 550 | struct stat_or_stat64 stat_temp; |
0f2d19dd | 551 | |
e11e83f3 | 552 | if (scm_is_integer (object)) |
36284627 | 553 | { |
e0c73a1c | 554 | #ifdef __MINGW32__ |
e11e83f3 | 555 | SCM_SYSCALL (rv = fstat_Win32 (scm_to_int (object), &stat_temp)); |
e0c73a1c | 556 | #else |
2b829bbb | 557 | SCM_SYSCALL (rv = fstat_or_fstat64 (scm_to_int (object), &stat_temp)); |
e0c73a1c | 558 | #endif |
36284627 | 559 | } |
7f9994d9 | 560 | else if (scm_is_string (object)) |
36284627 | 561 | { |
7f9994d9 | 562 | char *file = scm_to_locale_string (object); |
e0c73a1c | 563 | #ifdef __MINGW32__ |
7f9994d9 | 564 | char *p; |
e0c73a1c MV |
565 | p = file + strlen (file) - 1; |
566 | while (p > file && (*p == '/' || *p == '\\')) | |
567 | *p-- = '\0'; | |
7f9994d9 | 568 | #endif |
2b829bbb | 569 | SCM_SYSCALL (rv = stat_or_stat64 (file, &stat_temp)); |
e0c73a1c | 570 | free (file); |
36284627 | 571 | } |
1ea47048 | 572 | else |
0f2d19dd | 573 | { |
36284627 DH |
574 | object = SCM_COERCE_OUTPORT (object); |
575 | SCM_VALIDATE_OPFPORT (1, object); | |
576 | fdes = SCM_FPORT_FDES (object); | |
e0c73a1c MV |
577 | #ifdef __MINGW32__ |
578 | SCM_SYSCALL (rv = fstat_Win32 (fdes, &stat_temp)); | |
579 | #else | |
2b829bbb | 580 | SCM_SYSCALL (rv = fstat_or_fstat64 (fdes, &stat_temp)); |
e0c73a1c | 581 | #endif |
6afcd3b2 | 582 | } |
36284627 | 583 | |
6afcd3b2 | 584 | if (rv == -1) |
3d8d56df | 585 | { |
fcb6f5ff AW |
586 | if (SCM_UNBNDP (exception_on_error) || scm_is_true (exception_on_error)) |
587 | { | |
588 | int en = errno; | |
589 | SCM_SYSERROR_MSG ("~A: ~S", | |
590 | scm_list_2 (scm_strerror (scm_from_int (en)), | |
591 | object), | |
592 | en); | |
593 | } | |
594 | else | |
595 | return SCM_BOOL_F; | |
3d8d56df | 596 | } |
02b754d3 | 597 | return scm_stat2scm (&stat_temp); |
0f2d19dd | 598 | } |
1bbd0b84 | 599 | #undef FUNC_NAME |
0f2d19dd | 600 | |
d0476fa2 LC |
601 | #ifdef HAVE_LSTAT |
602 | SCM_DEFINE (scm_lstat, "lstat", 1, 0, 0, | |
603 | (SCM str), | |
604 | "Similar to @code{stat}, but does not follow symbolic links, i.e.,\n" | |
605 | "it will return information about a symbolic link itself, not the\n" | |
606 | "file it points to. @var{path} must be a string.") | |
607 | #define FUNC_NAME s_scm_lstat | |
608 | { | |
609 | int rv; | |
610 | struct stat_or_stat64 stat_temp; | |
611 | ||
612 | STRING_SYSCALL (str, c_str, rv = lstat_or_lstat64 (c_str, &stat_temp)); | |
613 | if (rv != 0) | |
614 | { | |
615 | int en = errno; | |
616 | ||
617 | SCM_SYSERROR_MSG ("~A: ~S", | |
618 | scm_list_2 (scm_strerror (scm_from_int (en)), str), | |
619 | en); | |
620 | } | |
621 | return scm_stat2scm (&stat_temp); | |
622 | } | |
623 | #undef FUNC_NAME | |
624 | #endif /* HAVE_LSTAT */ | |
625 | ||
0f2d19dd | 626 | \f |
073167ef LC |
627 | #ifdef HAVE_POSIX |
628 | ||
0f2d19dd JB |
629 | /* {Modifying Directories} |
630 | */ | |
631 | ||
82893676 | 632 | #ifdef HAVE_LINK |
a1ec6916 | 633 | SCM_DEFINE (scm_link, "link", 2, 0, 0, |
1bbd0b84 | 634 | (SCM oldpath, SCM newpath), |
6d36532c GH |
635 | "Creates a new name @var{newpath} in the file system for the\n" |
636 | "file named by @var{oldpath}. If @var{oldpath} is a symbolic\n" | |
637 | "link, the link may or may not be followed depending on the\n" | |
638 | "system.") | |
1bbd0b84 | 639 | #define FUNC_NAME s_scm_link |
0f2d19dd JB |
640 | { |
641 | int val; | |
02b754d3 | 642 | |
1299a0f1 MV |
643 | STRING2_SYSCALL (oldpath, c_oldpath, |
644 | newpath, c_newpath, | |
645 | val = link (c_oldpath, c_newpath)); | |
02b754d3 | 646 | if (val != 0) |
1bbd0b84 | 647 | SCM_SYSERROR; |
02b754d3 | 648 | return SCM_UNSPECIFIED; |
0f2d19dd | 649 | } |
1bbd0b84 | 650 | #undef FUNC_NAME |
82893676 | 651 | #endif /* HAVE_LINK */ |
0f2d19dd | 652 | |
0f2d19dd | 653 | \f |
0f2d19dd JB |
654 | /* {Navigating Directories} |
655 | */ | |
656 | ||
657 | ||
a1ec6916 | 658 | SCM_DEFINE (scm_chdir, "chdir", 1, 0, 0, |
1bbd0b84 | 659 | (SCM str), |
d3818c29 MD |
660 | "Change the current working directory to @var{path}.\n" |
661 | "The return value is unspecified.") | |
1bbd0b84 | 662 | #define FUNC_NAME s_scm_chdir |
0f2d19dd JB |
663 | { |
664 | int ans; | |
02b754d3 | 665 | |
1299a0f1 | 666 | STRING_SYSCALL (str, c_str, ans = chdir (c_str)); |
02b754d3 | 667 | if (ans != 0) |
1bbd0b84 | 668 | SCM_SYSERROR; |
02b754d3 | 669 | return SCM_UNSPECIFIED; |
0f2d19dd | 670 | } |
1bbd0b84 | 671 | #undef FUNC_NAME |
0f2d19dd | 672 | |
0f2d19dd JB |
673 | \f |
674 | ||
28d77376 GH |
675 | #ifdef HAVE_SELECT |
676 | ||
677 | /* check that element is a port or file descriptor. if it's a port | |
678 | and its buffer is ready for use, add it to the ports_ready list. | |
679 | otherwise add its file descriptor to *set. the type of list can be | |
680 | determined from pos: SCM_ARG1 for reads, SCM_ARG2 for writes, | |
681 | SCM_ARG3 for excepts. */ | |
cafc12ff | 682 | static int |
28d77376 | 683 | set_element (SELECT_TYPE *set, SCM *ports_ready, SCM element, int pos) |
a48a89bc | 684 | { |
cafc12ff | 685 | int fd; |
d831b039 | 686 | |
e11e83f3 | 687 | if (scm_is_integer (element)) |
28d77376 | 688 | { |
e11e83f3 | 689 | fd = scm_to_int (element); |
28d77376 GH |
690 | } |
691 | else | |
692 | { | |
693 | int use_buf = 0; | |
694 | ||
695 | element = SCM_COERCE_OUTPORT (element); | |
696 | SCM_ASSERT (SCM_OPFPORTP (element), element, pos, "select"); | |
697 | if (pos == SCM_ARG1) | |
698 | { | |
699 | /* check whether port has buffered input. */ | |
92c2555f | 700 | scm_t_port *pt = SCM_PTAB_ENTRY (element); |
28d77376 GH |
701 | |
702 | if (pt->read_pos < pt->read_end) | |
703 | use_buf = 1; | |
704 | } | |
705 | else if (pos == SCM_ARG2) | |
706 | { | |
707 | /* check whether port's output buffer has room. */ | |
92c2555f | 708 | scm_t_port *pt = SCM_PTAB_ENTRY (element); |
28d77376 GH |
709 | |
710 | /* > 1 since writing the last byte in the buffer causes flush. */ | |
711 | if (pt->write_end - pt->write_pos > 1) | |
712 | use_buf = 1; | |
713 | } | |
714 | fd = use_buf ? -1 : SCM_FPORT_FDES (element); | |
715 | } | |
716 | if (fd == -1) | |
717 | *ports_ready = scm_cons (element, *ports_ready); | |
718 | else | |
719 | FD_SET (fd, set); | |
cafc12ff | 720 | return fd; |
a48a89bc | 721 | } |
1cc91f1b | 722 | |
28d77376 GH |
723 | /* check list_or_vec, a list or vector of ports or file descriptors, |
724 | adding each member to either the ports_ready list (if it's a port | |
725 | with a usable buffer) or to *set. the kind of list_or_vec can be | |
726 | determined from pos: SCM_ARG1 for reads, SCM_ARG2 for writes, | |
727 | SCM_ARG3 for excepts. */ | |
cafc12ff | 728 | static int |
28d77376 | 729 | fill_select_type (SELECT_TYPE *set, SCM *ports_ready, SCM list_or_vec, int pos) |
0f2d19dd | 730 | { |
28d77376 GH |
731 | int max_fd = 0; |
732 | ||
4057a3e0 | 733 | if (scm_is_simple_vector (list_or_vec)) |
0f2d19dd | 734 | { |
4057a3e0 | 735 | int i = SCM_SIMPLE_VECTOR_LENGTH (list_or_vec); |
a48a89bc | 736 | |
28d77376 | 737 | while (--i >= 0) |
a48a89bc | 738 | { |
4057a3e0 MV |
739 | int fd = set_element (set, ports_ready, |
740 | SCM_SIMPLE_VECTOR_REF (list_or_vec, i), pos); | |
28d77376 | 741 | |
cafc12ff MD |
742 | if (fd > max_fd) |
743 | max_fd = fd; | |
a48a89bc GH |
744 | } |
745 | } | |
746 | else | |
747 | { | |
c96d76b8 | 748 | while (!SCM_NULL_OR_NIL_P (list_or_vec)) |
a48a89bc | 749 | { |
28d77376 GH |
750 | int fd = set_element (set, ports_ready, SCM_CAR (list_or_vec), pos); |
751 | ||
cafc12ff MD |
752 | if (fd > max_fd) |
753 | max_fd = fd; | |
28d77376 | 754 | list_or_vec = SCM_CDR (list_or_vec); |
a48a89bc | 755 | } |
0f2d19dd | 756 | } |
cafc12ff MD |
757 | |
758 | return max_fd; | |
0f2d19dd JB |
759 | } |
760 | ||
28d77376 GH |
761 | /* if element (a file descriptor or port) appears in *set, cons it to |
762 | list. return list. */ | |
a48a89bc GH |
763 | static SCM |
764 | get_element (SELECT_TYPE *set, SCM element, SCM list) | |
765 | { | |
28d77376 GH |
766 | int fd; |
767 | ||
e11e83f3 | 768 | if (scm_is_integer (element)) |
a48a89bc | 769 | { |
e11e83f3 | 770 | fd = scm_to_int (element); |
a48a89bc | 771 | } |
28d77376 | 772 | else |
a48a89bc | 773 | { |
28d77376 | 774 | fd = SCM_FPORT_FDES (SCM_COERCE_OUTPORT (element)); |
a48a89bc | 775 | } |
28d77376 GH |
776 | if (FD_ISSET (fd, set)) |
777 | list = scm_cons (element, list); | |
a48a89bc GH |
778 | return list; |
779 | } | |
1cc91f1b | 780 | |
28d77376 GH |
781 | /* construct component of scm_select return value. |
782 | set: pointer to set of file descriptors found by select to be ready | |
783 | ports_ready: ports ready due to buffering | |
784 | list_or_vec: original list/vector handed to scm_select. | |
785 | the return value is a list/vector of ready ports/file descriptors. | |
786 | works by finding the objects in list which correspond to members of | |
787 | *set and appending them to ports_ready. result is converted to a | |
788 | vector if list_or_vec is a vector. */ | |
0f2d19dd | 789 | static SCM |
28d77376 | 790 | retrieve_select_type (SELECT_TYPE *set, SCM ports_ready, SCM list_or_vec) |
0f2d19dd | 791 | { |
28d77376 | 792 | SCM answer_list = ports_ready; |
a48a89bc | 793 | |
4057a3e0 | 794 | if (scm_is_simple_vector (list_or_vec)) |
0f2d19dd | 795 | { |
4057a3e0 | 796 | int i = SCM_SIMPLE_VECTOR_LENGTH (list_or_vec); |
a48a89bc | 797 | |
28d77376 | 798 | while (--i >= 0) |
0f2d19dd | 799 | { |
4057a3e0 MV |
800 | answer_list = get_element (set, |
801 | SCM_SIMPLE_VECTOR_REF (list_or_vec, i), | |
802 | answer_list); | |
0f2d19dd | 803 | } |
a48a89bc GH |
804 | return scm_vector (answer_list); |
805 | } | |
806 | else | |
807 | { | |
28d77376 | 808 | /* list_or_vec must be a list. */ |
c96d76b8 | 809 | while (!SCM_NULL_OR_NIL_P (list_or_vec)) |
0f2d19dd | 810 | { |
28d77376 GH |
811 | answer_list = get_element (set, SCM_CAR (list_or_vec), answer_list); |
812 | list_or_vec = SCM_CDR (list_or_vec); | |
0f2d19dd | 813 | } |
a48a89bc | 814 | return answer_list; |
0f2d19dd | 815 | } |
0f2d19dd JB |
816 | } |
817 | ||
1bbd0b84 | 818 | /* Static helper functions above refer to s_scm_select directly as s_select */ |
a1ec6916 | 819 | SCM_DEFINE (scm_select, "select", 3, 2, 0, |
1bbd0b84 | 820 | (SCM reads, SCM writes, SCM excepts, SCM secs, SCM usecs), |
28d77376 | 821 | "This procedure has a variety of uses: waiting for the ability\n" |
bb2c02f2 | 822 | "to provide input, accept output, or the existence of\n" |
28d77376 GH |
823 | "exceptional conditions on a collection of ports or file\n" |
824 | "descriptors, or waiting for a timeout to occur.\n" | |
825 | "It also returns if interrupted by a signal.\n\n" | |
826 | "@var{reads}, @var{writes} and @var{excepts} can be lists or\n" | |
827 | "vectors, with each member a port or a file descriptor.\n" | |
828 | "The value returned is a list of three corresponding\n" | |
829 | "lists or vectors containing only the members which meet the\n" | |
830 | "specified requirement. The ability of port buffers to\n" | |
831 | "provide input or accept output is taken into account.\n" | |
832 | "Ordering of the input lists or vectors is not preserved.\n\n" | |
833 | "The optional arguments @var{secs} and @var{usecs} specify the\n" | |
834 | "timeout. Either @var{secs} can be specified alone, as\n" | |
835 | "either an integer or a real number, or both @var{secs} and\n" | |
836 | "@var{usecs} can be specified as integers, in which case\n" | |
837 | "@var{usecs} is an additional timeout expressed in\n" | |
838 | "microseconds. If @var{secs} is omitted or is @code{#f} then\n" | |
839 | "select will wait for as long as it takes for one of the other\n" | |
840 | "conditions to be satisfied.\n\n" | |
841 | "The scsh version of @code{select} differs as follows:\n" | |
842 | "Only vectors are accepted for the first three arguments.\n" | |
843 | "The @var{usecs} argument is not supported.\n" | |
844 | "Multiple values are returned instead of a list.\n" | |
845 | "Duplicates in the input vectors appear only once in output.\n" | |
9401323e | 846 | "An additional @code{select!} interface is provided.") |
1bbd0b84 | 847 | #define FUNC_NAME s_scm_select |
0f2d19dd | 848 | { |
0f2d19dd | 849 | struct timeval timeout; |
28d77376 | 850 | struct timeval * time_ptr; |
0f2d19dd JB |
851 | SELECT_TYPE read_set; |
852 | SELECT_TYPE write_set; | |
853 | SELECT_TYPE except_set; | |
28d77376 GH |
854 | int read_count; |
855 | int write_count; | |
856 | int except_count; | |
857 | /* these lists accumulate ports which are ready due to buffering. | |
858 | their file descriptors don't need to be added to the select sets. */ | |
859 | SCM read_ports_ready = SCM_EOL; | |
860 | SCM write_ports_ready = SCM_EOL; | |
861 | int max_fd; | |
862 | ||
4057a3e0 | 863 | if (scm_is_simple_vector (reads)) |
28d77376 | 864 | { |
4057a3e0 | 865 | read_count = SCM_SIMPLE_VECTOR_LENGTH (reads); |
28d77376 GH |
866 | } |
867 | else | |
868 | { | |
869 | read_count = scm_ilength (reads); | |
870 | SCM_ASSERT (read_count >= 0, reads, SCM_ARG1, FUNC_NAME); | |
871 | } | |
4057a3e0 | 872 | if (scm_is_simple_vector (writes)) |
28d77376 | 873 | { |
4057a3e0 | 874 | write_count = SCM_SIMPLE_VECTOR_LENGTH (writes); |
28d77376 GH |
875 | } |
876 | else | |
877 | { | |
878 | write_count = scm_ilength (writes); | |
879 | SCM_ASSERT (write_count >= 0, writes, SCM_ARG2, FUNC_NAME); | |
880 | } | |
4057a3e0 | 881 | if (scm_is_simple_vector (excepts)) |
28d77376 | 882 | { |
4057a3e0 | 883 | except_count = SCM_SIMPLE_VECTOR_LENGTH (excepts); |
28d77376 GH |
884 | } |
885 | else | |
886 | { | |
887 | except_count = scm_ilength (excepts); | |
888 | SCM_ASSERT (except_count >= 0, excepts, SCM_ARG3, FUNC_NAME); | |
889 | } | |
0f2d19dd JB |
890 | |
891 | FD_ZERO (&read_set); | |
892 | FD_ZERO (&write_set); | |
893 | FD_ZERO (&except_set); | |
894 | ||
28d77376 GH |
895 | max_fd = fill_select_type (&read_set, &read_ports_ready, reads, SCM_ARG1); |
896 | ||
897 | { | |
898 | int write_max = fill_select_type (&write_set, &write_ports_ready, | |
899 | writes, SCM_ARG2); | |
900 | int except_max = fill_select_type (&except_set, NULL, | |
901 | excepts, SCM_ARG3); | |
902 | ||
903 | if (write_max > max_fd) | |
904 | max_fd = write_max; | |
905 | if (except_max > max_fd) | |
906 | max_fd = except_max; | |
907 | } | |
0f2d19dd | 908 | |
ae1b098b GH |
909 | /* if there's a port with a ready buffer, don't block, just |
910 | check for ready file descriptors. */ | |
d2e53ed6 | 911 | if (!scm_is_null (read_ports_ready) || !scm_is_null (write_ports_ready)) |
ae1b098b GH |
912 | { |
913 | timeout.tv_sec = 0; | |
914 | timeout.tv_usec = 0; | |
915 | time_ptr = &timeout; | |
916 | } | |
7888309b | 917 | else if (SCM_UNBNDP (secs) || scm_is_false (secs)) |
28d77376 | 918 | time_ptr = 0; |
0f2d19dd JB |
919 | else |
920 | { | |
a55c2b68 | 921 | if (scm_is_unsigned_integer (secs, 0, ULONG_MAX)) |
a48a89bc | 922 | { |
a55c2b68 | 923 | timeout.tv_sec = scm_to_ulong (secs); |
a48a89bc GH |
924 | if (SCM_UNBNDP (usecs)) |
925 | timeout.tv_usec = 0; | |
926 | else | |
a55c2b68 | 927 | timeout.tv_usec = scm_to_long (usecs); |
a48a89bc | 928 | } |
0f2d19dd | 929 | else |
a48a89bc | 930 | { |
d9a67fc4 | 931 | double fl = scm_to_double (secs); |
a48a89bc GH |
932 | |
933 | if (!SCM_UNBNDP (usecs)) | |
c1bfcf60 | 934 | SCM_WRONG_TYPE_ARG (4, secs); |
a48a89bc | 935 | if (fl > LONG_MAX) |
c1bfcf60 | 936 | SCM_OUT_OF_RANGE (4, secs); |
a48a89bc GH |
937 | timeout.tv_sec = (long) fl; |
938 | timeout.tv_usec = (long) ((fl - timeout.tv_sec) * 1000000); | |
939 | } | |
28d77376 | 940 | time_ptr = &timeout; |
0f2d19dd JB |
941 | } |
942 | ||
28d77376 | 943 | { |
9de87eea MV |
944 | int rv = scm_std_select (max_fd + 1, |
945 | &read_set, &write_set, &except_set, | |
946 | time_ptr); | |
28d77376 GH |
947 | if (rv < 0) |
948 | SCM_SYSERROR; | |
949 | } | |
1afff620 KN |
950 | return scm_list_3 (retrieve_select_type (&read_set, read_ports_ready, reads), |
951 | retrieve_select_type (&write_set, write_ports_ready, writes), | |
952 | retrieve_select_type (&except_set, SCM_EOL, excepts)); | |
0f2d19dd | 953 | } |
1bbd0b84 | 954 | #undef FUNC_NAME |
f25f761d | 955 | #endif /* HAVE_SELECT */ |
0f2d19dd JB |
956 | |
957 | \f | |
4c1feaa5 | 958 | |
82893676 | 959 | #ifdef HAVE_FCNTL |
af45e3b0 | 960 | SCM_DEFINE (scm_fcntl, "fcntl", 2, 1, 0, |
1bbd0b84 | 961 | (SCM object, SCM cmd, SCM value), |
d3818c29 MD |
962 | "Apply @var{command} to the specified file descriptor or the underlying\n" |
963 | "file descriptor of the specified port. @var{value} is an optional\n" | |
964 | "integer argument.\n\n" | |
965 | "Values for @var{command} are:\n\n" | |
966 | "@table @code\n" | |
967 | "@item F_DUPFD\n" | |
968 | "Duplicate a file descriptor\n" | |
969 | "@item F_GETFD\n" | |
970 | "Get flags associated with the file descriptor.\n" | |
971 | "@item F_SETFD\n" | |
972 | "Set flags associated with the file descriptor to @var{value}.\n" | |
973 | "@item F_GETFL\n" | |
974 | "Get flags associated with the open file.\n" | |
975 | "@item F_SETFL\n" | |
976 | "Set flags associated with the open file to @var{value}\n" | |
977 | "@item F_GETOWN\n" | |
978 | "Get the process ID of a socket's owner, for @code{SIGIO} signals.\n" | |
979 | "@item F_SETOWN\n" | |
980 | "Set the process that owns a socket to @var{value}, for @code{SIGIO} signals.\n" | |
981 | "@item FD_CLOEXEC\n" | |
55892d87 NJ |
982 | "The value used to indicate the \"close on exec\" flag with @code{F_GETFL} or\n" |
983 | "@code{F_SETFL}.\n" | |
a3c8b9fc | 984 | "@end table") |
1bbd0b84 | 985 | #define FUNC_NAME s_scm_fcntl |
4c1feaa5 JB |
986 | { |
987 | int rv; | |
6afcd3b2 GH |
988 | int fdes; |
989 | int ivalue; | |
4c1feaa5 | 990 | |
78446828 MV |
991 | object = SCM_COERCE_OUTPORT (object); |
992 | ||
0c95b57d | 993 | if (SCM_OPFPORTP (object)) |
77a76b64 | 994 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 | 995 | else |
a55c2b68 | 996 | fdes = scm_to_int (object); |
af45e3b0 | 997 | |
a55c2b68 | 998 | if (SCM_UNBNDP (value)) |
6afcd3b2 | 999 | ivalue = 0; |
a55c2b68 MV |
1000 | else |
1001 | ivalue = scm_to_int (value); | |
af45e3b0 | 1002 | |
a55c2b68 | 1003 | SCM_SYSCALL (rv = fcntl (fdes, scm_to_int (cmd), ivalue)); |
77a76b64 | 1004 | if (rv == -1) |
1bbd0b84 | 1005 | SCM_SYSERROR; |
a55c2b68 | 1006 | return scm_from_int (rv); |
4c1feaa5 | 1007 | } |
1bbd0b84 | 1008 | #undef FUNC_NAME |
82893676 | 1009 | #endif /* HAVE_FCNTL */ |
6afcd3b2 | 1010 | |
a1ec6916 | 1011 | SCM_DEFINE (scm_fsync, "fsync", 1, 0, 0, |
1bbd0b84 | 1012 | (SCM object), |
d3818c29 MD |
1013 | "Copies any unwritten data for the specified output file descriptor to disk.\n" |
1014 | "If @var{port/fd} is a port, its buffer is flushed before the underlying\n" | |
1015 | "file descriptor is fsync'd.\n" | |
1016 | "The return value is unspecified.") | |
1bbd0b84 | 1017 | #define FUNC_NAME s_scm_fsync |
6afcd3b2 GH |
1018 | { |
1019 | int fdes; | |
1020 | ||
78446828 MV |
1021 | object = SCM_COERCE_OUTPORT (object); |
1022 | ||
0c95b57d | 1023 | if (SCM_OPFPORTP (object)) |
6afcd3b2 | 1024 | { |
affc96b5 | 1025 | scm_flush (object); |
77a76b64 | 1026 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 GH |
1027 | } |
1028 | else | |
a55c2b68 MV |
1029 | fdes = scm_to_int (object); |
1030 | ||
6afcd3b2 | 1031 | if (fsync (fdes) == -1) |
1bbd0b84 | 1032 | SCM_SYSERROR; |
6afcd3b2 GH |
1033 | return SCM_UNSPECIFIED; |
1034 | } | |
1bbd0b84 | 1035 | #undef FUNC_NAME |
0f2d19dd | 1036 | |
f25f761d | 1037 | #ifdef HAVE_SYMLINK |
a1ec6916 | 1038 | SCM_DEFINE (scm_symlink, "symlink", 2, 0, 0, |
1bbd0b84 | 1039 | (SCM oldpath, SCM newpath), |
d3818c29 MD |
1040 | "Create a symbolic link named @var{path-to} with the value (i.e., pointing to)\n" |
1041 | "@var{path-from}. The return value is unspecified.") | |
1bbd0b84 | 1042 | #define FUNC_NAME s_scm_symlink |
0f2d19dd | 1043 | { |
0f2d19dd | 1044 | int val; |
02b754d3 | 1045 | |
1299a0f1 MV |
1046 | STRING2_SYSCALL (oldpath, c_oldpath, |
1047 | newpath, c_newpath, | |
1048 | val = symlink (c_oldpath, c_newpath)); | |
02b754d3 | 1049 | if (val != 0) |
1bbd0b84 | 1050 | SCM_SYSERROR; |
02b754d3 | 1051 | return SCM_UNSPECIFIED; |
0f2d19dd | 1052 | } |
1bbd0b84 | 1053 | #undef FUNC_NAME |
f25f761d | 1054 | #endif /* HAVE_SYMLINK */ |
0f2d19dd | 1055 | |
f25f761d | 1056 | #ifdef HAVE_READLINK |
a1ec6916 | 1057 | SCM_DEFINE (scm_readlink, "readlink", 1, 0, 0, |
1bbd0b84 | 1058 | (SCM path), |
1e6808ea MG |
1059 | "Return the value of the symbolic link named by @var{path} (a\n" |
1060 | "string), i.e., the file that the link points to.") | |
1bbd0b84 | 1061 | #define FUNC_NAME s_scm_readlink |
0f2d19dd | 1062 | { |
6a738a25 JB |
1063 | int rv; |
1064 | int size = 100; | |
0f2d19dd JB |
1065 | char *buf; |
1066 | SCM result; | |
1299a0f1 MV |
1067 | char *c_path; |
1068 | ||
661ae7ab | 1069 | scm_dynwind_begin (0); |
1299a0f1 MV |
1070 | |
1071 | c_path = scm_to_locale_string (path); | |
661ae7ab | 1072 | scm_dynwind_free (c_path); |
1299a0f1 | 1073 | |
4c9419ac | 1074 | buf = scm_malloc (size); |
1299a0f1 MV |
1075 | |
1076 | while ((rv = readlink (c_path, buf, size)) == size) | |
0f2d19dd | 1077 | { |
4c9419ac | 1078 | free (buf); |
0f2d19dd | 1079 | size *= 2; |
4c9419ac | 1080 | buf = scm_malloc (size); |
0f2d19dd | 1081 | } |
02b754d3 | 1082 | if (rv == -1) |
11e1db06 KR |
1083 | { |
1084 | int save_errno = errno; | |
1085 | free (buf); | |
1086 | errno = save_errno; | |
1087 | SCM_SYSERROR; | |
1088 | } | |
1299a0f1 MV |
1089 | result = scm_take_locale_stringn (buf, rv); |
1090 | ||
661ae7ab | 1091 | scm_dynwind_end (); |
0f2d19dd | 1092 | return result; |
0f2d19dd | 1093 | } |
1bbd0b84 | 1094 | #undef FUNC_NAME |
f25f761d | 1095 | #endif /* HAVE_READLINK */ |
0f2d19dd | 1096 | |
a1ec6916 | 1097 | SCM_DEFINE (scm_copy_file, "copy-file", 2, 0, 0, |
1bbd0b84 | 1098 | (SCM oldfile, SCM newfile), |
d3818c29 MD |
1099 | "Copy the file specified by @var{path-from} to @var{path-to}.\n" |
1100 | "The return value is unspecified.") | |
1bbd0b84 | 1101 | #define FUNC_NAME s_scm_copy_file |
0f2d19dd | 1102 | { |
1299a0f1 | 1103 | char *c_oldfile, *c_newfile; |
0f2d19dd | 1104 | int oldfd, newfd; |
37eb673b | 1105 | int n, rv; |
77a76b64 | 1106 | char buf[BUFSIZ]; |
2b829bbb | 1107 | struct stat_or_stat64 oldstat; |
0f2d19dd | 1108 | |
661ae7ab | 1109 | scm_dynwind_begin (0); |
1299a0f1 MV |
1110 | |
1111 | c_oldfile = scm_to_locale_string (oldfile); | |
661ae7ab | 1112 | scm_dynwind_free (c_oldfile); |
1299a0f1 | 1113 | c_newfile = scm_to_locale_string (newfile); |
661ae7ab | 1114 | scm_dynwind_free (c_newfile); |
37eb673b | 1115 | |
2b829bbb | 1116 | oldfd = open_or_open64 (c_oldfile, O_RDONLY); |
0f2d19dd | 1117 | if (oldfd == -1) |
1bbd0b84 | 1118 | SCM_SYSERROR; |
02b754d3 | 1119 | |
37eb673b KR |
1120 | #ifdef __MINGW32__ |
1121 | SCM_SYSCALL (rv = fstat_Win32 (oldfd, &oldstat)); | |
1122 | #else | |
2b829bbb | 1123 | SCM_SYSCALL (rv = fstat_or_fstat64 (oldfd, &oldstat)); |
37eb673b KR |
1124 | #endif |
1125 | if (rv == -1) | |
1126 | goto err_close_oldfd; | |
1127 | ||
02b754d3 | 1128 | /* use POSIX flags instead of 07777?. */ |
2b829bbb KR |
1129 | newfd = open_or_open64 (c_newfile, O_WRONLY | O_CREAT | O_TRUNC, |
1130 | oldstat.st_mode & 07777); | |
0f2d19dd | 1131 | if (newfd == -1) |
01046395 | 1132 | { |
37eb673b | 1133 | err_close_oldfd: |
01046395 KR |
1134 | close (oldfd); |
1135 | SCM_SYSERROR; | |
1136 | } | |
02b754d3 | 1137 | |
0f2d19dd JB |
1138 | while ((n = read (oldfd, buf, sizeof buf)) > 0) |
1139 | if (write (newfd, buf, n) != n) | |
1140 | { | |
1141 | close (oldfd); | |
1142 | close (newfd); | |
1bbd0b84 | 1143 | SCM_SYSERROR; |
0f2d19dd JB |
1144 | } |
1145 | close (oldfd); | |
1146 | if (close (newfd) == -1) | |
1bbd0b84 | 1147 | SCM_SYSERROR; |
1299a0f1 | 1148 | |
661ae7ab | 1149 | scm_dynwind_end (); |
02b754d3 | 1150 | return SCM_UNSPECIFIED; |
0f2d19dd | 1151 | } |
1bbd0b84 | 1152 | #undef FUNC_NAME |
0f2d19dd | 1153 | |
073167ef LC |
1154 | #endif /* HAVE_POSIX */ |
1155 | ||
1156 | \f | |
1157 | /* Essential procedures used in (system base compile). */ | |
1158 | ||
1159 | #ifdef HAVE_GETCWD | |
1160 | SCM_DEFINE (scm_getcwd, "getcwd", 0, 0, 0, | |
1161 | (), | |
1162 | "Return the name of the current working directory.") | |
1163 | #define FUNC_NAME s_scm_getcwd | |
1164 | { | |
1165 | char *rv; | |
1166 | size_t size = 100; | |
1167 | char *wd; | |
1168 | SCM result; | |
1169 | ||
1170 | wd = scm_malloc (size); | |
1171 | while ((rv = getcwd (wd, size)) == 0 && errno == ERANGE) | |
1172 | { | |
1173 | free (wd); | |
1174 | size *= 2; | |
1175 | wd = scm_malloc (size); | |
1176 | } | |
1177 | if (rv == 0) | |
1178 | { | |
1179 | int save_errno = errno; | |
1180 | free (wd); | |
1181 | errno = save_errno; | |
1182 | SCM_SYSERROR; | |
1183 | } | |
1184 | result = scm_from_locale_stringn (wd, strlen (wd)); | |
1185 | free (wd); | |
1186 | return result; | |
1187 | } | |
1188 | #undef FUNC_NAME | |
1189 | #endif /* HAVE_GETCWD */ | |
1190 | ||
1191 | #ifdef HAVE_MKDIR | |
1192 | SCM_DEFINE (scm_mkdir, "mkdir", 1, 1, 0, | |
1193 | (SCM path, SCM mode), | |
1194 | "Create a new directory named by @var{path}. If @var{mode} is omitted\n" | |
1195 | "then the permissions of the directory file are set using the current\n" | |
1196 | "umask. Otherwise they are set to the decimal value specified with\n" | |
1197 | "@var{mode}. The return value is unspecified.") | |
1198 | #define FUNC_NAME s_scm_mkdir | |
1199 | { | |
1200 | int rv; | |
1201 | mode_t mask; | |
1202 | ||
1203 | if (SCM_UNBNDP (mode)) | |
1204 | { | |
1205 | mask = umask (0); | |
1206 | umask (mask); | |
1207 | STRING_SYSCALL (path, c_path, rv = mkdir (c_path, 0777 ^ mask)); | |
1208 | } | |
1209 | else | |
1210 | { | |
1211 | STRING_SYSCALL (path, c_path, rv = mkdir (c_path, scm_to_uint (mode))); | |
1212 | } | |
1213 | if (rv != 0) | |
1214 | SCM_SYSERROR; | |
1215 | return SCM_UNSPECIFIED; | |
1216 | } | |
1217 | #undef FUNC_NAME | |
1218 | #endif /* HAVE_MKDIR */ | |
1219 | ||
1220 | #ifdef HAVE_RMDIR | |
1221 | SCM_DEFINE (scm_rmdir, "rmdir", 1, 0, 0, | |
1222 | (SCM path), | |
1223 | "Remove the existing directory named by @var{path}. The directory must\n" | |
1224 | "be empty for this to succeed. The return value is unspecified.") | |
1225 | #define FUNC_NAME s_scm_rmdir | |
1226 | { | |
1227 | int val; | |
1228 | ||
1229 | STRING_SYSCALL (path, c_path, val = rmdir (c_path)); | |
1230 | if (val != 0) | |
1231 | SCM_SYSERROR; | |
1232 | return SCM_UNSPECIFIED; | |
1233 | } | |
1234 | #undef FUNC_NAME | |
1235 | #endif | |
1236 | ||
1237 | #ifdef HAVE_RENAME | |
1238 | #define my_rename rename | |
1239 | #else | |
1240 | static int | |
1241 | my_rename (const char *oldname, const char *newname) | |
1242 | { | |
1243 | int rv; | |
1244 | ||
1245 | SCM_SYSCALL (rv = link (oldname, newname)); | |
1246 | if (rv == 0) | |
1247 | { | |
1248 | SCM_SYSCALL (rv = unlink (oldname)); | |
1249 | if (rv != 0) | |
1250 | /* unlink failed. remove new name */ | |
1251 | SCM_SYSCALL (unlink (newname)); | |
1252 | } | |
1253 | return rv; | |
1254 | } | |
1255 | #endif | |
1256 | ||
1257 | SCM_DEFINE (scm_rename, "rename-file", 2, 0, 0, | |
1258 | (SCM oldname, SCM newname), | |
1259 | "Renames the file specified by @var{oldname} to @var{newname}.\n" | |
1260 | "The return value is unspecified.") | |
1261 | #define FUNC_NAME s_scm_rename | |
1262 | { | |
1263 | int rv; | |
1264 | ||
1265 | STRING2_SYSCALL (oldname, c_oldname, | |
1266 | newname, c_newname, | |
1267 | rv = my_rename (c_oldname, c_newname)); | |
1268 | if (rv != 0) | |
1269 | SCM_SYSERROR; | |
1270 | return SCM_UNSPECIFIED; | |
1271 | } | |
1272 | #undef FUNC_NAME | |
1273 | ||
1274 | ||
1275 | SCM_DEFINE (scm_delete_file, "delete-file", 1, 0, 0, | |
1276 | (SCM str), | |
1277 | "Deletes (or \"unlinks\") the file specified by @var{path}.") | |
1278 | #define FUNC_NAME s_scm_delete_file | |
1279 | { | |
1280 | int ans; | |
1281 | STRING_SYSCALL (str, c_str, ans = unlink (c_str)); | |
1282 | if (ans != 0) | |
1283 | SCM_SYSERROR; | |
1284 | return SCM_UNSPECIFIED; | |
1285 | } | |
1286 | #undef FUNC_NAME | |
1287 | ||
1288 | SCM_DEFINE (scm_access, "access?", 2, 0, 0, | |
1289 | (SCM path, SCM how), | |
1290 | "Test accessibility of a file under the real UID and GID of the\n" | |
1291 | "calling process. The return is @code{#t} if @var{path} exists\n" | |
1292 | "and the permissions requested by @var{how} are all allowed, or\n" | |
1293 | "@code{#f} if not.\n" | |
1294 | "\n" | |
1295 | "@var{how} is an integer which is one of the following values,\n" | |
1296 | "or a bitwise-OR (@code{logior}) of multiple values.\n" | |
1297 | "\n" | |
1298 | "@defvar R_OK\n" | |
1299 | "Test for read permission.\n" | |
1300 | "@end defvar\n" | |
1301 | "@defvar W_OK\n" | |
1302 | "Test for write permission.\n" | |
1303 | "@end defvar\n" | |
1304 | "@defvar X_OK\n" | |
1305 | "Test for execute permission.\n" | |
1306 | "@end defvar\n" | |
1307 | "@defvar F_OK\n" | |
1308 | "Test for existence of the file. This is implied by each of the\n" | |
1309 | "other tests, so there's no need to combine it with them.\n" | |
1310 | "@end defvar\n" | |
1311 | "\n" | |
1312 | "It's important to note that @code{access?} does not simply\n" | |
1313 | "indicate what will happen on attempting to read or write a\n" | |
1314 | "file. In normal circumstances it does, but in a set-UID or\n" | |
1315 | "set-GID program it doesn't because @code{access?} tests the\n" | |
1316 | "real ID, whereas an open or execute attempt uses the effective\n" | |
1317 | "ID.\n" | |
1318 | "\n" | |
1319 | "A program which will never run set-UID/GID can ignore the\n" | |
1320 | "difference between real and effective IDs, but for maximum\n" | |
1321 | "generality, especially in library functions, it's best not to\n" | |
1322 | "use @code{access?} to predict the result of an open or execute,\n" | |
1323 | "instead simply attempt that and catch any exception.\n" | |
1324 | "\n" | |
1325 | "The main use for @code{access?} is to let a set-UID/GID program\n" | |
1326 | "determine what the invoking user would have been allowed to do,\n" | |
1327 | "without the greater (or perhaps lesser) privileges afforded by\n" | |
1328 | "the effective ID. For more on this, see ``Testing File\n" | |
1329 | "Access'' in The GNU C Library Reference Manual.") | |
1330 | #define FUNC_NAME s_scm_access | |
1331 | { | |
1332 | int rv; | |
1333 | char *c_path; | |
1334 | ||
1335 | c_path = scm_to_locale_string (path); | |
1336 | rv = access (c_path, scm_to_int (how)); | |
1337 | free (c_path); | |
1338 | ||
1339 | return scm_from_bool (!rv); | |
1340 | } | |
1341 | #undef FUNC_NAME | |
1342 | ||
1343 | SCM_DEFINE (scm_chmod, "chmod", 2, 0, 0, | |
1344 | (SCM object, SCM mode), | |
1345 | "Changes the permissions of the file referred to by @var{obj}.\n" | |
1346 | "@var{obj} can be a string containing a file name or a port or integer file\n" | |
1347 | "descriptor which is open on a file (in which case @code{fchmod} is used\n" | |
1348 | "as the underlying system call).\n" | |
1349 | "@var{mode} specifies\n" | |
1350 | "the new permissions as a decimal number, e.g., @code{(chmod \"foo\" #o755)}.\n" | |
1351 | "The return value is unspecified.") | |
1352 | #define FUNC_NAME s_scm_chmod | |
1353 | { | |
1354 | int rv; | |
1355 | int fdes; | |
1356 | ||
1357 | object = SCM_COERCE_OUTPORT (object); | |
1358 | ||
1359 | if (scm_is_integer (object) || SCM_OPFPORTP (object)) | |
1360 | { | |
1361 | if (scm_is_integer (object)) | |
1362 | fdes = scm_to_int (object); | |
1363 | else | |
1364 | fdes = SCM_FPORT_FDES (object); | |
1365 | SCM_SYSCALL (rv = fchmod (fdes, scm_to_int (mode))); | |
1366 | } | |
1367 | else | |
1368 | { | |
1369 | STRING_SYSCALL (object, c_object, | |
1370 | rv = chmod (c_object, scm_to_int (mode))); | |
1371 | } | |
1372 | if (rv == -1) | |
1373 | SCM_SYSERROR; | |
1374 | return SCM_UNSPECIFIED; | |
1375 | } | |
1376 | #undef FUNC_NAME | |
1377 | ||
1378 | SCM_DEFINE (scm_umask, "umask", 0, 1, 0, | |
1379 | (SCM mode), | |
1380 | "If @var{mode} is omitted, returns a decimal number representing the current\n" | |
1381 | "file creation mask. Otherwise the file creation mask is set to\n" | |
1382 | "@var{mode} and the previous value is returned.\n\n" | |
1383 | "E.g., @code{(umask #o022)} sets the mask to octal 22, decimal 18.") | |
1384 | #define FUNC_NAME s_scm_umask | |
1385 | { | |
1386 | mode_t mask; | |
1387 | if (SCM_UNBNDP (mode)) | |
1388 | { | |
1389 | mask = umask (0); | |
1390 | umask (mask); | |
1391 | } | |
1392 | else | |
1393 | { | |
1394 | mask = umask (scm_to_uint (mode)); | |
1395 | } | |
1396 | return scm_from_uint (mask); | |
1397 | } | |
1398 | #undef FUNC_NAME | |
1399 | ||
1400 | #ifndef HAVE_MKSTEMP | |
1401 | extern int mkstemp (char *); | |
1402 | #endif | |
1403 | ||
1404 | SCM_DEFINE (scm_mkstemp, "mkstemp!", 1, 0, 0, | |
1405 | (SCM tmpl), | |
1406 | "Create a new unique file in the file system and return a new\n" | |
1407 | "buffered port open for reading and writing to the file.\n" | |
1408 | "\n" | |
1409 | "@var{tmpl} is a string specifying where the file should be\n" | |
1410 | "created: it must end with @samp{XXXXXX} and those @samp{X}s\n" | |
1411 | "will be changed in the string to return the name of the file.\n" | |
1412 | "(@code{port-filename} on the port also gives the name.)\n" | |
1413 | "\n" | |
1414 | "POSIX doesn't specify the permissions mode of the file, on GNU\n" | |
1415 | "and most systems it's @code{#o600}. An application can use\n" | |
1416 | "@code{chmod} to relax that if desired. For example\n" | |
1417 | "@code{#o666} less @code{umask}, which is usual for ordinary\n" | |
1418 | "file creation,\n" | |
1419 | "\n" | |
1420 | "@example\n" | |
1421 | "(let ((port (mkstemp! (string-copy \"/tmp/myfile-XXXXXX\"))))\n" | |
1422 | " (chmod port (logand #o666 (lognot (umask))))\n" | |
1423 | " ...)\n" | |
1424 | "@end example") | |
1425 | #define FUNC_NAME s_scm_mkstemp | |
1426 | { | |
1427 | char *c_tmpl; | |
1428 | int rv; | |
1429 | ||
1430 | scm_dynwind_begin (0); | |
1431 | ||
1432 | c_tmpl = scm_to_locale_string (tmpl); | |
1433 | scm_dynwind_free (c_tmpl); | |
1434 | ||
1435 | SCM_SYSCALL (rv = mkstemp (c_tmpl)); | |
1436 | if (rv == -1) | |
1437 | SCM_SYSERROR; | |
1438 | ||
1439 | scm_substring_move_x (scm_from_locale_string (c_tmpl), | |
1440 | SCM_INUM0, scm_string_length (tmpl), | |
1441 | tmpl, SCM_INUM0); | |
1442 | ||
1443 | scm_dynwind_end (); | |
1444 | return scm_fdes_to_port (rv, "w+", tmpl); | |
1445 | } | |
1446 | #undef FUNC_NAME | |
1447 | ||
0f2d19dd | 1448 | \f |
6a738a25 JB |
1449 | /* Filename manipulation */ |
1450 | ||
1451 | SCM scm_dot_string; | |
1452 | ||
a1ec6916 | 1453 | SCM_DEFINE (scm_dirname, "dirname", 1, 0, 0, |
1bbd0b84 | 1454 | (SCM filename), |
fa6a543f MG |
1455 | "Return the directory name component of the file name\n" |
1456 | "@var{filename}. If @var{filename} does not contain a directory\n" | |
1457 | "component, @code{.} is returned.") | |
1bbd0b84 | 1458 | #define FUNC_NAME s_scm_dirname |
6a738a25 | 1459 | { |
9fd38a3d DH |
1460 | long int i; |
1461 | unsigned long int len; | |
1462 | ||
34d19ef6 | 1463 | SCM_VALIDATE_STRING (1, filename); |
9fd38a3d | 1464 | |
cc95e00a | 1465 | len = scm_i_string_length (filename); |
9fd38a3d | 1466 | |
6a738a25 | 1467 | i = len - 1; |
82893676 | 1468 | #ifdef __MINGW32__ |
832bbc95 MG |
1469 | while (i >= 0 && (scm_i_string_ref (filename, i) == '/' |
1470 | || scm_i_string_ref (filename, i) == '\\')) | |
1471 | --i; | |
1472 | while (i >= 0 && (scm_i_string_ref (filename, i) != '/' | |
1473 | && scm_i_string_ref (filename, i) != '\\')) | |
1474 | --i; | |
1475 | while (i >= 0 && (scm_i_string_ref (filename, i) == '/' | |
1476 | || scm_i_string_ref (filename, i) == '\\')) | |
1477 | --i; | |
82893676 | 1478 | #else |
832bbc95 MG |
1479 | while (i >= 0 && scm_i_string_ref (filename, i) == '/') |
1480 | --i; | |
1481 | while (i >= 0 && scm_i_string_ref (filename, i) != '/') | |
1482 | --i; | |
1483 | while (i >= 0 && scm_i_string_ref (filename, i) == '/') | |
1484 | --i; | |
82893676 | 1485 | #endif /* ndef __MINGW32__ */ |
6a738a25 JB |
1486 | if (i < 0) |
1487 | { | |
82893676 | 1488 | #ifdef __MINGW32__ |
832bbc95 MG |
1489 | if (len > 0 && (scm_i_string_ref (filename, 0) == '/' |
1490 | || scm_i_string_ref (filename, 0) == '\\')) | |
82893676 | 1491 | #else |
832bbc95 | 1492 | if (len > 0 && scm_i_string_ref (filename, 0) == '/') |
82893676 | 1493 | #endif /* ndef __MINGW32__ */ |
cc95e00a | 1494 | return scm_c_substring (filename, 0, 1); |
6a738a25 JB |
1495 | else |
1496 | return scm_dot_string; | |
1497 | } | |
1498 | else | |
cc95e00a | 1499 | return scm_c_substring (filename, 0, i + 1); |
6a738a25 | 1500 | } |
1bbd0b84 | 1501 | #undef FUNC_NAME |
6a738a25 | 1502 | |
a1ec6916 | 1503 | SCM_DEFINE (scm_basename, "basename", 1, 1, 0, |
1bbd0b84 | 1504 | (SCM filename, SCM suffix), |
fa6a543f MG |
1505 | "Return the base name of the file name @var{filename}. The\n" |
1506 | "base name is the file name without any directory components.\n" | |
bb2c02f2 | 1507 | "If @var{suffix} is provided, and is equal to the end of\n" |
fa6a543f | 1508 | "@var{basename}, it is removed also.") |
1bbd0b84 | 1509 | #define FUNC_NAME s_scm_basename |
6a738a25 | 1510 | { |
6a738a25 | 1511 | int i, j, len, end; |
9fd38a3d | 1512 | |
34d19ef6 | 1513 | SCM_VALIDATE_STRING (1, filename); |
cc95e00a | 1514 | len = scm_i_string_length (filename); |
9fd38a3d | 1515 | |
6a738a25 JB |
1516 | if (SCM_UNBNDP (suffix)) |
1517 | j = -1; | |
1518 | else | |
1519 | { | |
9fd38a3d | 1520 | SCM_VALIDATE_STRING (2, suffix); |
cc95e00a | 1521 | j = scm_i_string_length (suffix) - 1; |
6a738a25 | 1522 | } |
6a738a25 | 1523 | i = len - 1; |
82893676 | 1524 | #ifdef __MINGW32__ |
832bbc95 MG |
1525 | while (i >= 0 && (scm_i_string_ref (filename, i) == '/' |
1526 | || scm_i_string_ref (filename, i) == '\\')) | |
1527 | --i; | |
82893676 | 1528 | #else |
832bbc95 MG |
1529 | while (i >= 0 && scm_i_string_ref (filename, i) == '/') |
1530 | --i; | |
82893676 | 1531 | #endif /* ndef __MINGW32__ */ |
6a738a25 | 1532 | end = i; |
832bbc95 MG |
1533 | while (i >= 0 && j >= 0 |
1534 | && (scm_i_string_ref (filename, i) | |
1535 | == scm_i_string_ref (suffix, j))) | |
1536 | { | |
1537 | --i; | |
1538 | --j; | |
1539 | } | |
6a738a25 JB |
1540 | if (j == -1) |
1541 | end = i; | |
82893676 | 1542 | #ifdef __MINGW32__ |
832bbc95 MG |
1543 | while (i >= 0 && (scm_i_string_ref (filename, i) != '/' |
1544 | && scm_i_string_ref (filename, i) != '\\')) | |
1545 | --i; | |
82893676 | 1546 | #else |
832bbc95 MG |
1547 | while (i >= 0 && scm_i_string_ref (filename, i) != '/') |
1548 | --i; | |
82893676 | 1549 | #endif /* ndef __MINGW32__ */ |
6a738a25 JB |
1550 | if (i == end) |
1551 | { | |
82893676 | 1552 | #ifdef __MINGW32__ |
832bbc95 MG |
1553 | if (len > 0 && (scm_i_string_ref (filename, 0) == '/' |
1554 | || scm_i_string_ref (filename, 0) == '\\')) | |
82893676 | 1555 | #else |
832bbc95 | 1556 | if (len > 0 && scm_i_string_ref (filename, 0) == '/') |
82893676 | 1557 | #endif /* ndef __MINGW32__ */ |
832bbc95 | 1558 | return scm_c_substring (filename, 0, 1); |
6a738a25 JB |
1559 | else |
1560 | return scm_dot_string; | |
1561 | } | |
1562 | else | |
cc95e00a | 1563 | return scm_c_substring (filename, i+1, end+1); |
6a738a25 | 1564 | } |
1bbd0b84 | 1565 | #undef FUNC_NAME |
6a738a25 | 1566 | |
25b82b34 AW |
1567 | SCM_DEFINE (scm_canonicalize_path, "canonicalize-path", 1, 0, 0, |
1568 | (SCM path), | |
1569 | "Return the canonical path of @var{path}. A canonical path has\n" | |
1570 | "no @code{.} or @code{..} components, nor any repeated path\n" | |
1571 | "separators (@code{/}) nor symlinks.\n\n" | |
1572 | "Raises an error if any component of @var{path} does not exist.") | |
1573 | #define FUNC_NAME s_scm_canonicalize_path | |
427c73b9 AW |
1574 | { |
1575 | char *str, *canon; | |
25b82b34 AW |
1576 | |
1577 | SCM_VALIDATE_STRING (1, path); | |
1578 | ||
1579 | str = scm_to_locale_string (path); | |
1580 | canon = canonicalize_file_name (str); | |
1581 | free (str); | |
1582 | ||
1583 | if (canon) | |
1584 | return scm_take_locale_string (canon); | |
1585 | else | |
1586 | SCM_SYSERROR; | |
1587 | } | |
1588 | #undef FUNC_NAME | |
6a738a25 | 1589 | |
22457d57 AW |
1590 | SCM |
1591 | scm_i_relativize_path (SCM path, SCM in_path) | |
1592 | { | |
1593 | char *str, *canon; | |
1594 | SCM scanon; | |
1595 | ||
1596 | str = scm_to_locale_string (path); | |
1597 | canon = canonicalize_file_name (str); | |
1598 | free (str); | |
1599 | ||
1600 | if (!canon) | |
1601 | return SCM_BOOL_F; | |
1602 | ||
1603 | scanon = scm_take_locale_string (canon); | |
1604 | ||
1605 | for (; scm_is_pair (in_path); in_path = scm_cdr (in_path)) | |
1606 | if (scm_is_true (scm_string_prefix_p (scm_car (in_path), | |
1607 | scanon, | |
1608 | SCM_UNDEFINED, SCM_UNDEFINED, | |
1609 | SCM_UNDEFINED, SCM_UNDEFINED))) | |
1610 | { | |
1611 | size_t len = scm_c_string_length (scm_car (in_path)); | |
1612 | ||
1613 | /* The path either has a trailing delimiter or doesn't. scanon will be | |
1614 | delimited by single delimiters. In the case in which the path does | |
1615 | not have a trailing delimiter, add one to the length to strip off the | |
1616 | delimiter within scanon. */ | |
1617 | if (!len | |
1618 | #ifdef __MINGW32__ | |
1619 | || (scm_i_string_ref (scm_car (in_path), len - 1) != '/' | |
1620 | && scm_i_string_ref (scm_car (in_path), len - 1) != '\\') | |
1621 | #else | |
1622 | || scm_i_string_ref (scm_car (in_path), len - 1) != '/' | |
1623 | #endif | |
1624 | ) | |
1625 | len++; | |
1626 | ||
1627 | if (scm_c_string_length (scanon) > len) | |
1628 | return scm_substring (scanon, scm_from_size_t (len), SCM_UNDEFINED); | |
1629 | else | |
1630 | return SCM_BOOL_F; | |
1631 | } | |
1632 | ||
1633 | return SCM_BOOL_F; | |
1634 | } | |
1635 | ||
d0476fa2 LC |
1636 | \f |
1637 | /* Examining directories. These procedures are used by `check-guile' | |
1638 | and thus compiled unconditionally. */ | |
1639 | ||
1640 | scm_t_bits scm_tc16_dir; | |
1641 | ||
1642 | ||
1643 | SCM_DEFINE (scm_directory_stream_p, "directory-stream?", 1, 0, 0, | |
1644 | (SCM obj), | |
1645 | "Return a boolean indicating whether @var{object} is a directory\n" | |
1646 | "stream as returned by @code{opendir}.") | |
1647 | #define FUNC_NAME s_scm_directory_stream_p | |
1648 | { | |
1649 | return scm_from_bool (SCM_DIRP (obj)); | |
1650 | } | |
1651 | #undef FUNC_NAME | |
1652 | ||
1653 | ||
1654 | SCM_DEFINE (scm_opendir, "opendir", 1, 0, 0, | |
1655 | (SCM dirname), | |
1656 | "Open the directory specified by @var{path} and return a directory\n" | |
1657 | "stream.") | |
1658 | #define FUNC_NAME s_scm_opendir | |
1659 | { | |
1660 | DIR *ds; | |
1661 | STRING_SYSCALL (dirname, c_dirname, ds = opendir (c_dirname)); | |
1662 | if (ds == NULL) | |
1663 | SCM_SYSERROR; | |
1664 | SCM_RETURN_NEWSMOB (scm_tc16_dir | (SCM_DIR_FLAG_OPEN<<16), ds); | |
1665 | } | |
1666 | #undef FUNC_NAME | |
1667 | ||
1668 | ||
1669 | /* FIXME: The glibc manual has a portability note that readdir_r may not | |
1670 | null-terminate its return string. The circumstances outlined for this | |
1671 | are not clear, nor is it clear what should be done about it. Lets use | |
1672 | NAMLEN and worry about what else should be done if/when someone can | |
1673 | figure it out. */ | |
1674 | ||
1675 | SCM_DEFINE (scm_readdir, "readdir", 1, 0, 0, | |
1676 | (SCM port), | |
1677 | "Return (as a string) the next directory entry from the directory stream\n" | |
1678 | "@var{stream}. If there is no remaining entry to be read then the\n" | |
1679 | "end of file object is returned.") | |
1680 | #define FUNC_NAME s_scm_readdir | |
1681 | { | |
1682 | struct dirent_or_dirent64 *rdent; | |
1683 | ||
1684 | SCM_VALIDATE_DIR (1, port); | |
1685 | if (!SCM_DIR_OPEN_P (port)) | |
1686 | SCM_MISC_ERROR ("Directory ~S is not open.", scm_list_1 (port)); | |
1687 | ||
1688 | #if HAVE_READDIR_R | |
1689 | /* As noted in the glibc manual, on various systems (such as Solaris) the | |
1690 | d_name[] field is only 1 char and you're expected to size the dirent | |
1691 | buffer for readdir_r based on NAME_MAX. The SCM_MAX expressions below | |
1692 | effectively give either sizeof(d_name) or NAME_MAX+1, whichever is | |
1693 | bigger. | |
1694 | ||
1695 | On solaris 10 there's no NAME_MAX constant, it's necessary to use | |
1696 | pathconf(). We prefer NAME_MAX though, since it should be a constant | |
1697 | and will therefore save a system call. We also prefer it since dirfd() | |
1698 | is not available everywhere. | |
1699 | ||
1700 | An alternative to dirfd() would be to open() the directory and then use | |
1701 | fdopendir(), if the latter is available. That'd let us hold the fd | |
1702 | somewhere in the smob, or just the dirent size calculated once. */ | |
1703 | { | |
1704 | struct dirent_or_dirent64 de; /* just for sizeof */ | |
1705 | DIR *ds = (DIR *) SCM_SMOB_DATA_1 (port); | |
1706 | #ifdef NAME_MAX | |
1707 | char buf [SCM_MAX (sizeof (de), | |
1708 | sizeof (de) - sizeof (de.d_name) + NAME_MAX + 1)]; | |
1709 | #else | |
1710 | char *buf; | |
1711 | long name_max = fpathconf (dirfd (ds), _PC_NAME_MAX); | |
1712 | if (name_max == -1) | |
1713 | SCM_SYSERROR; | |
1714 | buf = alloca (SCM_MAX (sizeof (de), | |
1715 | sizeof (de) - sizeof (de.d_name) + name_max + 1)); | |
1716 | #endif | |
1717 | ||
1718 | errno = 0; | |
1719 | SCM_SYSCALL (readdir_r_or_readdir64_r (ds, (struct dirent_or_dirent64 *) buf, &rdent)); | |
1720 | if (errno != 0) | |
1721 | SCM_SYSERROR; | |
1722 | if (! rdent) | |
1723 | return SCM_EOF_VAL; | |
1724 | ||
1725 | return (rdent ? scm_from_locale_stringn (rdent->d_name, NAMLEN (rdent)) | |
1726 | : SCM_EOF_VAL); | |
1727 | } | |
1728 | #else | |
1729 | { | |
1730 | SCM ret; | |
1731 | scm_dynwind_begin (0); | |
1732 | scm_i_dynwind_pthread_mutex_lock (&scm_i_misc_mutex); | |
1733 | ||
1734 | errno = 0; | |
1735 | SCM_SYSCALL (rdent = readdir_or_readdir64 ((DIR *) SCM_SMOB_DATA_1 (port))); | |
1736 | if (errno != 0) | |
1737 | SCM_SYSERROR; | |
1738 | ||
1739 | ret = (rdent ? scm_from_locale_stringn (rdent->d_name, NAMLEN (rdent)) | |
1740 | : SCM_EOF_VAL); | |
1741 | ||
1742 | scm_dynwind_end (); | |
1743 | return ret; | |
1744 | } | |
1745 | #endif | |
1746 | } | |
1747 | #undef FUNC_NAME | |
1748 | ||
1749 | ||
1750 | SCM_DEFINE (scm_rewinddir, "rewinddir", 1, 0, 0, | |
1751 | (SCM port), | |
1752 | "Reset the directory port @var{stream} so that the next call to\n" | |
1753 | "@code{readdir} will return the first directory entry.") | |
1754 | #define FUNC_NAME s_scm_rewinddir | |
1755 | { | |
1756 | SCM_VALIDATE_DIR (1, port); | |
1757 | if (!SCM_DIR_OPEN_P (port)) | |
1758 | SCM_MISC_ERROR ("Directory ~S is not open.", scm_list_1 (port)); | |
1759 | ||
1760 | rewinddir ((DIR *) SCM_SMOB_DATA_1 (port)); | |
1761 | ||
1762 | return SCM_UNSPECIFIED; | |
1763 | } | |
1764 | #undef FUNC_NAME | |
1765 | ||
1766 | ||
1767 | SCM_DEFINE (scm_closedir, "closedir", 1, 0, 0, | |
1768 | (SCM port), | |
1769 | "Close the directory stream @var{stream}.\n" | |
1770 | "The return value is unspecified.") | |
1771 | #define FUNC_NAME s_scm_closedir | |
1772 | { | |
1773 | SCM_VALIDATE_DIR (1, port); | |
1774 | ||
1775 | if (SCM_DIR_OPEN_P (port)) | |
1776 | { | |
1777 | int sts; | |
1778 | ||
1779 | SCM_SYSCALL (sts = closedir ((DIR *) SCM_SMOB_DATA_1 (port))); | |
1780 | if (sts != 0) | |
1781 | SCM_SYSERROR; | |
1782 | ||
1783 | SCM_SET_SMOB_DATA_0 (port, scm_tc16_dir); | |
1784 | } | |
1785 | ||
1786 | return SCM_UNSPECIFIED; | |
1787 | } | |
1788 | #undef FUNC_NAME | |
1789 | ||
1790 | ||
1791 | static int | |
1792 | scm_dir_print (SCM exp, SCM port, scm_print_state *pstate SCM_UNUSED) | |
1793 | { | |
1794 | scm_puts ("#<", port); | |
1795 | if (!SCM_DIR_OPEN_P (exp)) | |
1796 | scm_puts ("closed: ", port); | |
1797 | scm_puts ("directory stream ", port); | |
1798 | scm_uintprint (SCM_SMOB_DATA_1 (exp), 16, port); | |
1799 | scm_putc ('>', port); | |
1800 | return 1; | |
1801 | } | |
1802 | ||
1803 | ||
1804 | static size_t | |
1805 | scm_dir_free (SCM p) | |
1806 | { | |
1807 | if (SCM_DIR_OPEN_P (p)) | |
1808 | closedir ((DIR *) SCM_SMOB_DATA_1 (p)); | |
1809 | return 0; | |
1810 | } | |
6a738a25 JB |
1811 | |
1812 | \f | |
1cc91f1b | 1813 | |
0f2d19dd JB |
1814 | void |
1815 | scm_init_filesys () | |
0f2d19dd | 1816 | { |
073167ef | 1817 | #ifdef HAVE_POSIX |
e841c3e0 KN |
1818 | scm_tc16_dir = scm_make_smob_type ("directory", 0); |
1819 | scm_set_smob_free (scm_tc16_dir, scm_dir_free); | |
1820 | scm_set_smob_print (scm_tc16_dir, scm_dir_print); | |
0f2d19dd | 1821 | |
3d8d56df | 1822 | #ifdef O_RDONLY |
23d72566 | 1823 | scm_c_define ("O_RDONLY", scm_from_int (O_RDONLY)); |
3d8d56df GH |
1824 | #endif |
1825 | #ifdef O_WRONLY | |
23d72566 | 1826 | scm_c_define ("O_WRONLY", scm_from_int (O_WRONLY)); |
3d8d56df GH |
1827 | #endif |
1828 | #ifdef O_RDWR | |
23d72566 | 1829 | scm_c_define ("O_RDWR", scm_from_int (O_RDWR)); |
3d8d56df GH |
1830 | #endif |
1831 | #ifdef O_CREAT | |
23d72566 | 1832 | scm_c_define ("O_CREAT", scm_from_int (O_CREAT)); |
3d8d56df GH |
1833 | #endif |
1834 | #ifdef O_EXCL | |
23d72566 | 1835 | scm_c_define ("O_EXCL", scm_from_int (O_EXCL)); |
3d8d56df GH |
1836 | #endif |
1837 | #ifdef O_NOCTTY | |
23d72566 | 1838 | scm_c_define ("O_NOCTTY", scm_from_int (O_NOCTTY)); |
3d8d56df GH |
1839 | #endif |
1840 | #ifdef O_TRUNC | |
23d72566 | 1841 | scm_c_define ("O_TRUNC", scm_from_int (O_TRUNC)); |
3d8d56df GH |
1842 | #endif |
1843 | #ifdef O_APPEND | |
23d72566 | 1844 | scm_c_define ("O_APPEND", scm_from_int (O_APPEND)); |
3d8d56df | 1845 | #endif |
6afcd3b2 | 1846 | #ifdef O_NONBLOCK |
23d72566 | 1847 | scm_c_define ("O_NONBLOCK", scm_from_int (O_NONBLOCK)); |
3d8d56df GH |
1848 | #endif |
1849 | #ifdef O_NDELAY | |
23d72566 | 1850 | scm_c_define ("O_NDELAY", scm_from_int (O_NDELAY)); |
3d8d56df GH |
1851 | #endif |
1852 | #ifdef O_SYNC | |
23d72566 | 1853 | scm_c_define ("O_SYNC", scm_from_int (O_SYNC)); |
3d8d56df | 1854 | #endif |
23f2b9a3 | 1855 | #ifdef O_LARGEFILE |
23d72566 | 1856 | scm_c_define ("O_LARGEFILE", scm_from_int (O_LARGEFILE)); |
23f2b9a3 | 1857 | #endif |
3d8d56df | 1858 | |
4c1feaa5 | 1859 | #ifdef F_DUPFD |
23d72566 | 1860 | scm_c_define ("F_DUPFD", scm_from_int (F_DUPFD)); |
4c1feaa5 JB |
1861 | #endif |
1862 | #ifdef F_GETFD | |
23d72566 | 1863 | scm_c_define ("F_GETFD", scm_from_int (F_GETFD)); |
4c1feaa5 JB |
1864 | #endif |
1865 | #ifdef F_SETFD | |
23d72566 | 1866 | scm_c_define ("F_SETFD", scm_from_int (F_SETFD)); |
4c1feaa5 JB |
1867 | #endif |
1868 | #ifdef F_GETFL | |
23d72566 | 1869 | scm_c_define ("F_GETFL", scm_from_int (F_GETFL)); |
4c1feaa5 JB |
1870 | #endif |
1871 | #ifdef F_SETFL | |
23d72566 | 1872 | scm_c_define ("F_SETFL", scm_from_int (F_SETFL)); |
4c1feaa5 JB |
1873 | #endif |
1874 | #ifdef F_GETOWN | |
23d72566 | 1875 | scm_c_define ("F_GETOWN", scm_from_int (F_GETOWN)); |
4c1feaa5 JB |
1876 | #endif |
1877 | #ifdef F_SETOWN | |
23d72566 | 1878 | scm_c_define ("F_SETOWN", scm_from_int (F_SETOWN)); |
4c1feaa5 JB |
1879 | #endif |
1880 | #ifdef FD_CLOEXEC | |
23d72566 | 1881 | scm_c_define ("FD_CLOEXEC", scm_from_int (FD_CLOEXEC)); |
bd9e24b3 | 1882 | #endif |
073167ef LC |
1883 | #endif /* HAVE_POSIX */ |
1884 | ||
1885 | /* `access' symbols. */ | |
1886 | scm_c_define ("R_OK", scm_from_int (R_OK)); | |
1887 | scm_c_define ("W_OK", scm_from_int (W_OK)); | |
1888 | scm_c_define ("X_OK", scm_from_int (X_OK)); | |
1889 | scm_c_define ("F_OK", scm_from_int (F_OK)); | |
1890 | ||
1891 | scm_dot_string = scm_from_locale_string ("."); | |
3d8d56df | 1892 | |
a0599745 | 1893 | #include "libguile/filesys.x" |
0f2d19dd | 1894 | } |
89e00824 ML |
1895 | |
1896 | /* | |
1897 | Local Variables: | |
1898 | c-file-style: "gnu" | |
1899 | End: | |
1900 | */ |