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); |
126a3224 LC |
264 | |
265 | if ((iflags & O_RDWR) == O_RDWR) | |
77a76b64 | 266 | { |
126a3224 | 267 | /* Opened read-write. */ |
77a76b64 JB |
268 | if (iflags & O_APPEND) |
269 | port_mode = "a+"; | |
270 | else if (iflags & O_CREAT) | |
271 | port_mode = "w+"; | |
272 | else | |
273 | port_mode = "r+"; | |
274 | } | |
126a3224 LC |
275 | else |
276 | { | |
277 | /* Opened read-only or write-only. */ | |
278 | if (iflags & O_APPEND) | |
279 | port_mode = "a"; | |
280 | else if (iflags & O_WRONLY) | |
281 | port_mode = "w"; | |
282 | else | |
283 | port_mode = "r"; | |
284 | } | |
285 | ||
77a76b64 | 286 | newpt = scm_fdes_to_port (fd, port_mode, path); |
3d8d56df | 287 | return newpt; |
0f2d19dd | 288 | } |
1bbd0b84 | 289 | #undef FUNC_NAME |
0f2d19dd | 290 | |
a1ec6916 | 291 | SCM_DEFINE (scm_close, "close", 1, 0, 0, |
1bbd0b84 | 292 | (SCM fd_or_port), |
8f85c0c6 | 293 | "Similar to close-port (@pxref{Closing, close-port}),\n" |
d3818c29 MD |
294 | "but also works on file descriptors. A side\n" |
295 | "effect of closing a file descriptor is that any ports using that file\n" | |
296 | "descriptor are moved to a different file descriptor and have\n" | |
297 | "their revealed counts set to zero.") | |
1bbd0b84 | 298 | #define FUNC_NAME s_scm_close |
eadd48de GH |
299 | { |
300 | int rv; | |
301 | int fd; | |
302 | ||
78446828 MV |
303 | fd_or_port = SCM_COERCE_OUTPORT (fd_or_port); |
304 | ||
0c95b57d | 305 | if (SCM_PORTP (fd_or_port)) |
eadd48de | 306 | return scm_close_port (fd_or_port); |
a55c2b68 | 307 | fd = scm_to_int (fd_or_port); |
eadd48de | 308 | scm_evict_ports (fd); /* see scsh manual. */ |
a9488d12 | 309 | SCM_SYSCALL (rv = close (fd)); |
eadd48de GH |
310 | /* following scsh, closing an already closed file descriptor is |
311 | not an error. */ | |
312 | if (rv < 0 && errno != EBADF) | |
1bbd0b84 | 313 | SCM_SYSERROR; |
7888309b | 314 | return scm_from_bool (rv >= 0); |
eadd48de | 315 | } |
1bbd0b84 | 316 | #undef FUNC_NAME |
eadd48de | 317 | |
c2ca4493 GH |
318 | SCM_DEFINE (scm_close_fdes, "close-fdes", 1, 0, 0, |
319 | (SCM fd), | |
320 | "A simple wrapper for the @code{close} system call.\n" | |
321 | "Close file descriptor @var{fd}, which must be an integer.\n" | |
322 | "Unlike close (@pxref{Ports and File Descriptors, close}),\n" | |
323 | "the file descriptor will be closed even if a port is using it.\n" | |
324 | "The return value is unspecified.") | |
325 | #define FUNC_NAME s_scm_close_fdes | |
326 | { | |
327 | int c_fd; | |
328 | int rv; | |
329 | ||
a55c2b68 | 330 | c_fd = scm_to_int (fd); |
c2ca4493 GH |
331 | SCM_SYSCALL (rv = close (c_fd)); |
332 | if (rv < 0) | |
333 | SCM_SYSERROR; | |
334 | return SCM_UNSPECIFIED; | |
335 | } | |
336 | #undef FUNC_NAME | |
337 | ||
073167ef LC |
338 | #endif /* HAVE_POSIX */ |
339 | ||
0f2d19dd JB |
340 | \f |
341 | /* {Files} | |
342 | */ | |
1cc91f1b | 343 | |
ae5253c5 GH |
344 | SCM_SYMBOL (scm_sym_regular, "regular"); |
345 | SCM_SYMBOL (scm_sym_directory, "directory"); | |
23f2b9a3 | 346 | #ifdef S_ISLNK |
ae5253c5 | 347 | SCM_SYMBOL (scm_sym_symlink, "symlink"); |
f326ecf3 | 348 | #endif |
ae5253c5 GH |
349 | SCM_SYMBOL (scm_sym_block_special, "block-special"); |
350 | SCM_SYMBOL (scm_sym_char_special, "char-special"); | |
351 | SCM_SYMBOL (scm_sym_fifo, "fifo"); | |
352 | SCM_SYMBOL (scm_sym_sock, "socket"); | |
353 | SCM_SYMBOL (scm_sym_unknown, "unknown"); | |
354 | ||
0f2d19dd | 355 | static SCM |
2b829bbb | 356 | scm_stat2scm (struct stat_or_stat64 *stat_temp) |
0f2d19dd | 357 | { |
06bfe276 | 358 | SCM ans = scm_c_make_vector (18, SCM_UNSPECIFIED); |
ae5253c5 | 359 | |
4057a3e0 | 360 | SCM_SIMPLE_VECTOR_SET(ans, 0, scm_from_ulong (stat_temp->st_dev)); |
2b829bbb | 361 | SCM_SIMPLE_VECTOR_SET(ans, 1, scm_from_ino_t_or_ino64_t (stat_temp->st_ino)); |
4057a3e0 MV |
362 | SCM_SIMPLE_VECTOR_SET(ans, 2, scm_from_ulong (stat_temp->st_mode)); |
363 | SCM_SIMPLE_VECTOR_SET(ans, 3, scm_from_ulong (stat_temp->st_nlink)); | |
364 | SCM_SIMPLE_VECTOR_SET(ans, 4, scm_from_ulong (stat_temp->st_uid)); | |
365 | SCM_SIMPLE_VECTOR_SET(ans, 5, scm_from_ulong (stat_temp->st_gid)); | |
1fd85bc5 | 366 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
4057a3e0 | 367 | SCM_SIMPLE_VECTOR_SET(ans, 6, scm_from_ulong (stat_temp->st_rdev)); |
0f2d19dd | 368 | #else |
4057a3e0 | 369 | SCM_SIMPLE_VECTOR_SET(ans, 6, SCM_BOOL_F); |
0f2d19dd | 370 | #endif |
2b829bbb | 371 | SCM_SIMPLE_VECTOR_SET(ans, 7, scm_from_off_t_or_off64_t (stat_temp->st_size)); |
4057a3e0 MV |
372 | SCM_SIMPLE_VECTOR_SET(ans, 8, scm_from_ulong (stat_temp->st_atime)); |
373 | SCM_SIMPLE_VECTOR_SET(ans, 9, scm_from_ulong (stat_temp->st_mtime)); | |
374 | SCM_SIMPLE_VECTOR_SET(ans, 10, scm_from_ulong (stat_temp->st_ctime)); | |
1fd85bc5 | 375 | #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE |
4057a3e0 | 376 | SCM_SIMPLE_VECTOR_SET(ans, 11, scm_from_ulong (stat_temp->st_blksize)); |
0f2d19dd | 377 | #else |
4057a3e0 | 378 | SCM_SIMPLE_VECTOR_SET(ans, 11, scm_from_ulong (4096L)); |
0f2d19dd | 379 | #endif |
1fd85bc5 | 380 | #ifdef HAVE_STRUCT_STAT_ST_BLOCKS |
2b829bbb | 381 | SCM_SIMPLE_VECTOR_SET(ans, 12, scm_from_blkcnt_t_or_blkcnt64_t (stat_temp->st_blocks)); |
0f2d19dd | 382 | #else |
4057a3e0 | 383 | SCM_SIMPLE_VECTOR_SET(ans, 12, SCM_BOOL_F); |
0f2d19dd | 384 | #endif |
ae5253c5 GH |
385 | { |
386 | int mode = stat_temp->st_mode; | |
387 | ||
388 | if (S_ISREG (mode)) | |
4057a3e0 | 389 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_regular); |
ae5253c5 | 390 | else if (S_ISDIR (mode)) |
4057a3e0 | 391 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_directory); |
23f2b9a3 KR |
392 | #ifdef S_ISLNK |
393 | /* systems without symlinks probably don't have S_ISLNK */ | |
ae5253c5 | 394 | else if (S_ISLNK (mode)) |
4057a3e0 | 395 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_symlink); |
f326ecf3 | 396 | #endif |
ae5253c5 | 397 | else if (S_ISBLK (mode)) |
4057a3e0 | 398 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_block_special); |
ae5253c5 | 399 | else if (S_ISCHR (mode)) |
4057a3e0 | 400 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_char_special); |
ae5253c5 | 401 | else if (S_ISFIFO (mode)) |
4057a3e0 | 402 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_fifo); |
e655d034 | 403 | #ifdef S_ISSOCK |
ae5253c5 | 404 | else if (S_ISSOCK (mode)) |
4057a3e0 | 405 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_sock); |
e655d034 | 406 | #endif |
ae5253c5 | 407 | else |
4057a3e0 | 408 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_unknown); |
ae5253c5 | 409 | |
4057a3e0 | 410 | SCM_SIMPLE_VECTOR_SET(ans, 14, scm_from_int ((~S_IFMT) & mode)); |
ae5253c5 GH |
411 | |
412 | /* the layout of the bits in ve[14] is intended to be portable. | |
413 | If there are systems that don't follow the usual convention, | |
414 | the following could be used: | |
415 | ||
416 | tmp = 0; | |
417 | if (S_ISUID & mode) tmp += 1; | |
418 | tmp <<= 1; | |
419 | if (S_IRGRP & mode) tmp += 1; | |
420 | tmp <<= 1; | |
421 | if (S_ISVTX & mode) tmp += 1; | |
422 | tmp <<= 1; | |
423 | if (S_IRUSR & mode) tmp += 1; | |
424 | tmp <<= 1; | |
425 | if (S_IWUSR & mode) tmp += 1; | |
426 | tmp <<= 1; | |
427 | if (S_IXUSR & mode) tmp += 1; | |
428 | tmp <<= 1; | |
429 | if (S_IWGRP & mode) tmp += 1; | |
430 | tmp <<= 1; | |
431 | if (S_IXGRP & mode) tmp += 1; | |
432 | tmp <<= 1; | |
433 | if (S_IROTH & mode) tmp += 1; | |
434 | tmp <<= 1; | |
435 | if (S_IWOTH & mode) tmp += 1; | |
436 | tmp <<= 1; | |
437 | if (S_IXOTH & mode) tmp += 1; | |
438 | ||
4057a3e0 | 439 | SCM_SIMPLE_VECTOR_SET(ans, 14, scm_from_int (tmp)); |
ae5253c5 GH |
440 | |
441 | */ | |
442 | } | |
06bfe276 AW |
443 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
444 | SCM_SIMPLE_VECTOR_SET(ans, 15, scm_from_long (stat_temp->st_atim.tv_nsec)); | |
445 | #else | |
446 | SCM_SIMPLE_VECTOR_SET(ans, 15, SCM_I_MAKINUM (0)); | |
447 | #endif | |
448 | #ifdef HAVE_STRUCT_STAT_ST_MTIM | |
449 | SCM_SIMPLE_VECTOR_SET(ans, 16, scm_from_long (stat_temp->st_mtim.tv_nsec)); | |
450 | #else | |
451 | SCM_SIMPLE_VECTOR_SET(ans, 16, SCM_I_MAKINUM (0)); | |
452 | #endif | |
453 | #ifdef HAVE_STRUCT_STAT_ST_CTIM | |
454 | SCM_SIMPLE_VECTOR_SET(ans, 17, scm_from_ulong (stat_temp->st_ctim.tv_sec)); | |
455 | #else | |
456 | SCM_SIMPLE_VECTOR_SET(ans, 17, SCM_I_MAKINUM (0)); | |
457 | #endif | |
0f2d19dd JB |
458 | |
459 | return ans; | |
460 | } | |
461 | ||
e0c73a1c MV |
462 | #ifdef __MINGW32__ |
463 | /* | |
464 | * Try getting the appropiate stat buffer for a given file descriptor | |
465 | * under Windows. It differentiates between file, pipe and socket | |
466 | * descriptors. | |
467 | */ | |
468 | static int fstat_Win32 (int fdes, struct stat *buf) | |
469 | { | |
470 | int error, optlen = sizeof (int); | |
471 | ||
472 | memset (buf, 0, sizeof (struct stat)); | |
473 | ||
474 | /* Is this a socket ? */ | |
475 | if (getsockopt (fdes, SOL_SOCKET, SO_ERROR, (void *) &error, &optlen) >= 0) | |
476 | { | |
19761af1 | 477 | buf->st_mode = _S_IREAD | _S_IWRITE | _S_IEXEC; |
e0c73a1c MV |
478 | buf->st_nlink = 1; |
479 | buf->st_atime = buf->st_ctime = buf->st_mtime = time (NULL); | |
480 | return 0; | |
481 | } | |
482 | /* Maybe a regular file or pipe ? */ | |
483 | return fstat (fdes, buf); | |
484 | } | |
485 | #endif /* __MINGW32__ */ | |
486 | ||
fcb6f5ff AW |
487 | SCM_DEFINE (scm_stat, "stat", 1, 1, 0, |
488 | (SCM object, SCM exception_on_error), | |
1e6808ea MG |
489 | "Return an object containing various information about the file\n" |
490 | "determined by @var{obj}. @var{obj} can be a string containing\n" | |
491 | "a file name or a port or integer file descriptor which is open\n" | |
492 | "on a file (in which case @code{fstat} is used as the underlying\n" | |
493 | "system call).\n" | |
494 | "\n" | |
fcb6f5ff AW |
495 | "If the optional @var{exception_on_error} argument is true, which\n" |
496 | "is the default, an exception will be raised if the underlying\n" | |
497 | "system call returns an error, for example if the file is not\n" | |
498 | "found or is not readable. Otherwise, an error will cause\n" | |
499 | "@code{stat} to return @code{#f}." | |
500 | "\n" | |
501 | "The object returned by a successful call to @code{stat} can be\n" | |
502 | "passed as a single parameter to the following procedures, all of\n" | |
503 | "which return integers:\n" | |
1e6808ea | 504 | "\n" |
d3818c29 MD |
505 | "@table @code\n" |
506 | "@item stat:dev\n" | |
507 | "The device containing the file.\n" | |
508 | "@item stat:ino\n" | |
1e6808ea MG |
509 | "The file serial number, which distinguishes this file from all\n" |
510 | "other files on the same device.\n" | |
d3818c29 | 511 | "@item stat:mode\n" |
1e6808ea MG |
512 | "The mode of the file. This includes file type information and\n" |
513 | "the file permission bits. See @code{stat:type} and\n" | |
514 | "@code{stat:perms} below.\n" | |
d3818c29 MD |
515 | "@item stat:nlink\n" |
516 | "The number of hard links to the file.\n" | |
517 | "@item stat:uid\n" | |
518 | "The user ID of the file's owner.\n" | |
519 | "@item stat:gid\n" | |
520 | "The group ID of the file.\n" | |
521 | "@item stat:rdev\n" | |
522 | "Device ID; this entry is defined only for character or block\n" | |
523 | "special files.\n" | |
524 | "@item stat:size\n" | |
525 | "The size of a regular file in bytes.\n" | |
526 | "@item stat:atime\n" | |
527 | "The last access time for the file.\n" | |
528 | "@item stat:mtime\n" | |
529 | "The last modification time for the file.\n" | |
530 | "@item stat:ctime\n" | |
531 | "The last modification time for the attributes of the file.\n" | |
532 | "@item stat:blksize\n" | |
1e6808ea MG |
533 | "The optimal block size for reading or writing the file, in\n" |
534 | "bytes.\n" | |
d3818c29 | 535 | "@item stat:blocks\n" |
1e6808ea MG |
536 | "The amount of disk space that the file occupies measured in\n" |
537 | "units of 512 byte blocks.\n" | |
538 | "@end table\n" | |
539 | "\n" | |
d3818c29 | 540 | "In addition, the following procedures return the information\n" |
1e6808ea MG |
541 | "from stat:mode in a more convenient form:\n" |
542 | "\n" | |
d3818c29 MD |
543 | "@table @code\n" |
544 | "@item stat:type\n" | |
545 | "A symbol representing the type of file. Possible values are\n" | |
1e6808ea MG |
546 | "regular, directory, symlink, block-special, char-special, fifo,\n" |
547 | "socket and unknown\n" | |
d3818c29 MD |
548 | "@item stat:perms\n" |
549 | "An integer representing the access permission bits.\n" | |
550 | "@end table") | |
1bbd0b84 | 551 | #define FUNC_NAME s_scm_stat |
0f2d19dd | 552 | { |
6afcd3b2 GH |
553 | int rv; |
554 | int fdes; | |
2b829bbb | 555 | struct stat_or_stat64 stat_temp; |
0f2d19dd | 556 | |
e11e83f3 | 557 | if (scm_is_integer (object)) |
36284627 | 558 | { |
e0c73a1c | 559 | #ifdef __MINGW32__ |
e11e83f3 | 560 | SCM_SYSCALL (rv = fstat_Win32 (scm_to_int (object), &stat_temp)); |
e0c73a1c | 561 | #else |
2b829bbb | 562 | SCM_SYSCALL (rv = fstat_or_fstat64 (scm_to_int (object), &stat_temp)); |
e0c73a1c | 563 | #endif |
36284627 | 564 | } |
7f9994d9 | 565 | else if (scm_is_string (object)) |
36284627 | 566 | { |
7f9994d9 | 567 | char *file = scm_to_locale_string (object); |
e0c73a1c | 568 | #ifdef __MINGW32__ |
7f9994d9 | 569 | char *p; |
e0c73a1c MV |
570 | p = file + strlen (file) - 1; |
571 | while (p > file && (*p == '/' || *p == '\\')) | |
572 | *p-- = '\0'; | |
7f9994d9 | 573 | #endif |
2b829bbb | 574 | SCM_SYSCALL (rv = stat_or_stat64 (file, &stat_temp)); |
e0c73a1c | 575 | free (file); |
36284627 | 576 | } |
1ea47048 | 577 | else |
0f2d19dd | 578 | { |
36284627 DH |
579 | object = SCM_COERCE_OUTPORT (object); |
580 | SCM_VALIDATE_OPFPORT (1, object); | |
581 | fdes = SCM_FPORT_FDES (object); | |
e0c73a1c MV |
582 | #ifdef __MINGW32__ |
583 | SCM_SYSCALL (rv = fstat_Win32 (fdes, &stat_temp)); | |
584 | #else | |
2b829bbb | 585 | SCM_SYSCALL (rv = fstat_or_fstat64 (fdes, &stat_temp)); |
e0c73a1c | 586 | #endif |
6afcd3b2 | 587 | } |
36284627 | 588 | |
6afcd3b2 | 589 | if (rv == -1) |
3d8d56df | 590 | { |
fcb6f5ff AW |
591 | if (SCM_UNBNDP (exception_on_error) || scm_is_true (exception_on_error)) |
592 | { | |
593 | int en = errno; | |
594 | SCM_SYSERROR_MSG ("~A: ~S", | |
595 | scm_list_2 (scm_strerror (scm_from_int (en)), | |
596 | object), | |
597 | en); | |
598 | } | |
599 | else | |
600 | return SCM_BOOL_F; | |
3d8d56df | 601 | } |
02b754d3 | 602 | return scm_stat2scm (&stat_temp); |
0f2d19dd | 603 | } |
1bbd0b84 | 604 | #undef FUNC_NAME |
0f2d19dd | 605 | |
d0476fa2 LC |
606 | #ifdef HAVE_LSTAT |
607 | SCM_DEFINE (scm_lstat, "lstat", 1, 0, 0, | |
608 | (SCM str), | |
609 | "Similar to @code{stat}, but does not follow symbolic links, i.e.,\n" | |
610 | "it will return information about a symbolic link itself, not the\n" | |
611 | "file it points to. @var{path} must be a string.") | |
612 | #define FUNC_NAME s_scm_lstat | |
613 | { | |
614 | int rv; | |
615 | struct stat_or_stat64 stat_temp; | |
616 | ||
617 | STRING_SYSCALL (str, c_str, rv = lstat_or_lstat64 (c_str, &stat_temp)); | |
618 | if (rv != 0) | |
619 | { | |
620 | int en = errno; | |
621 | ||
622 | SCM_SYSERROR_MSG ("~A: ~S", | |
623 | scm_list_2 (scm_strerror (scm_from_int (en)), str), | |
624 | en); | |
625 | } | |
626 | return scm_stat2scm (&stat_temp); | |
627 | } | |
628 | #undef FUNC_NAME | |
629 | #endif /* HAVE_LSTAT */ | |
630 | ||
0f2d19dd | 631 | \f |
073167ef LC |
632 | #ifdef HAVE_POSIX |
633 | ||
0f2d19dd JB |
634 | /* {Modifying Directories} |
635 | */ | |
636 | ||
82893676 | 637 | #ifdef HAVE_LINK |
a1ec6916 | 638 | SCM_DEFINE (scm_link, "link", 2, 0, 0, |
1bbd0b84 | 639 | (SCM oldpath, SCM newpath), |
6d36532c GH |
640 | "Creates a new name @var{newpath} in the file system for the\n" |
641 | "file named by @var{oldpath}. If @var{oldpath} is a symbolic\n" | |
642 | "link, the link may or may not be followed depending on the\n" | |
643 | "system.") | |
1bbd0b84 | 644 | #define FUNC_NAME s_scm_link |
0f2d19dd JB |
645 | { |
646 | int val; | |
02b754d3 | 647 | |
1299a0f1 MV |
648 | STRING2_SYSCALL (oldpath, c_oldpath, |
649 | newpath, c_newpath, | |
650 | val = link (c_oldpath, c_newpath)); | |
02b754d3 | 651 | if (val != 0) |
1bbd0b84 | 652 | SCM_SYSERROR; |
02b754d3 | 653 | return SCM_UNSPECIFIED; |
0f2d19dd | 654 | } |
1bbd0b84 | 655 | #undef FUNC_NAME |
82893676 | 656 | #endif /* HAVE_LINK */ |
0f2d19dd | 657 | |
0f2d19dd | 658 | \f |
0f2d19dd JB |
659 | /* {Navigating Directories} |
660 | */ | |
661 | ||
662 | ||
a1ec6916 | 663 | SCM_DEFINE (scm_chdir, "chdir", 1, 0, 0, |
1bbd0b84 | 664 | (SCM str), |
d3818c29 MD |
665 | "Change the current working directory to @var{path}.\n" |
666 | "The return value is unspecified.") | |
1bbd0b84 | 667 | #define FUNC_NAME s_scm_chdir |
0f2d19dd JB |
668 | { |
669 | int ans; | |
02b754d3 | 670 | |
1299a0f1 | 671 | STRING_SYSCALL (str, c_str, ans = chdir (c_str)); |
02b754d3 | 672 | if (ans != 0) |
1bbd0b84 | 673 | SCM_SYSERROR; |
02b754d3 | 674 | return SCM_UNSPECIFIED; |
0f2d19dd | 675 | } |
1bbd0b84 | 676 | #undef FUNC_NAME |
0f2d19dd | 677 | |
0f2d19dd JB |
678 | \f |
679 | ||
28d77376 GH |
680 | #ifdef HAVE_SELECT |
681 | ||
682 | /* check that element is a port or file descriptor. if it's a port | |
683 | and its buffer is ready for use, add it to the ports_ready list. | |
684 | otherwise add its file descriptor to *set. the type of list can be | |
685 | determined from pos: SCM_ARG1 for reads, SCM_ARG2 for writes, | |
686 | SCM_ARG3 for excepts. */ | |
cafc12ff | 687 | static int |
28d77376 | 688 | set_element (SELECT_TYPE *set, SCM *ports_ready, SCM element, int pos) |
a48a89bc | 689 | { |
cafc12ff | 690 | int fd; |
d831b039 | 691 | |
e11e83f3 | 692 | if (scm_is_integer (element)) |
28d77376 | 693 | { |
e11e83f3 | 694 | fd = scm_to_int (element); |
28d77376 GH |
695 | } |
696 | else | |
697 | { | |
698 | int use_buf = 0; | |
699 | ||
700 | element = SCM_COERCE_OUTPORT (element); | |
701 | SCM_ASSERT (SCM_OPFPORTP (element), element, pos, "select"); | |
702 | if (pos == SCM_ARG1) | |
703 | { | |
704 | /* check whether port has buffered input. */ | |
92c2555f | 705 | scm_t_port *pt = SCM_PTAB_ENTRY (element); |
28d77376 GH |
706 | |
707 | if (pt->read_pos < pt->read_end) | |
708 | use_buf = 1; | |
709 | } | |
710 | else if (pos == SCM_ARG2) | |
711 | { | |
712 | /* check whether port's output buffer has room. */ | |
92c2555f | 713 | scm_t_port *pt = SCM_PTAB_ENTRY (element); |
28d77376 GH |
714 | |
715 | /* > 1 since writing the last byte in the buffer causes flush. */ | |
716 | if (pt->write_end - pt->write_pos > 1) | |
717 | use_buf = 1; | |
718 | } | |
719 | fd = use_buf ? -1 : SCM_FPORT_FDES (element); | |
720 | } | |
721 | if (fd == -1) | |
722 | *ports_ready = scm_cons (element, *ports_ready); | |
723 | else | |
724 | FD_SET (fd, set); | |
cafc12ff | 725 | return fd; |
a48a89bc | 726 | } |
1cc91f1b | 727 | |
28d77376 GH |
728 | /* check list_or_vec, a list or vector of ports or file descriptors, |
729 | adding each member to either the ports_ready list (if it's a port | |
730 | with a usable buffer) or to *set. the kind of list_or_vec can be | |
731 | determined from pos: SCM_ARG1 for reads, SCM_ARG2 for writes, | |
732 | SCM_ARG3 for excepts. */ | |
cafc12ff | 733 | static int |
28d77376 | 734 | fill_select_type (SELECT_TYPE *set, SCM *ports_ready, SCM list_or_vec, int pos) |
0f2d19dd | 735 | { |
28d77376 GH |
736 | int max_fd = 0; |
737 | ||
4057a3e0 | 738 | if (scm_is_simple_vector (list_or_vec)) |
0f2d19dd | 739 | { |
4057a3e0 | 740 | int i = SCM_SIMPLE_VECTOR_LENGTH (list_or_vec); |
a48a89bc | 741 | |
28d77376 | 742 | while (--i >= 0) |
a48a89bc | 743 | { |
4057a3e0 MV |
744 | int fd = set_element (set, ports_ready, |
745 | SCM_SIMPLE_VECTOR_REF (list_or_vec, i), pos); | |
28d77376 | 746 | |
cafc12ff MD |
747 | if (fd > max_fd) |
748 | max_fd = fd; | |
a48a89bc GH |
749 | } |
750 | } | |
751 | else | |
752 | { | |
c96d76b8 | 753 | while (!SCM_NULL_OR_NIL_P (list_or_vec)) |
a48a89bc | 754 | { |
28d77376 GH |
755 | int fd = set_element (set, ports_ready, SCM_CAR (list_or_vec), pos); |
756 | ||
cafc12ff MD |
757 | if (fd > max_fd) |
758 | max_fd = fd; | |
28d77376 | 759 | list_or_vec = SCM_CDR (list_or_vec); |
a48a89bc | 760 | } |
0f2d19dd | 761 | } |
cafc12ff MD |
762 | |
763 | return max_fd; | |
0f2d19dd JB |
764 | } |
765 | ||
28d77376 GH |
766 | /* if element (a file descriptor or port) appears in *set, cons it to |
767 | list. return list. */ | |
a48a89bc GH |
768 | static SCM |
769 | get_element (SELECT_TYPE *set, SCM element, SCM list) | |
770 | { | |
28d77376 GH |
771 | int fd; |
772 | ||
e11e83f3 | 773 | if (scm_is_integer (element)) |
a48a89bc | 774 | { |
e11e83f3 | 775 | fd = scm_to_int (element); |
a48a89bc | 776 | } |
28d77376 | 777 | else |
a48a89bc | 778 | { |
28d77376 | 779 | fd = SCM_FPORT_FDES (SCM_COERCE_OUTPORT (element)); |
a48a89bc | 780 | } |
28d77376 GH |
781 | if (FD_ISSET (fd, set)) |
782 | list = scm_cons (element, list); | |
a48a89bc GH |
783 | return list; |
784 | } | |
1cc91f1b | 785 | |
28d77376 GH |
786 | /* construct component of scm_select return value. |
787 | set: pointer to set of file descriptors found by select to be ready | |
788 | ports_ready: ports ready due to buffering | |
789 | list_or_vec: original list/vector handed to scm_select. | |
790 | the return value is a list/vector of ready ports/file descriptors. | |
791 | works by finding the objects in list which correspond to members of | |
792 | *set and appending them to ports_ready. result is converted to a | |
793 | vector if list_or_vec is a vector. */ | |
0f2d19dd | 794 | static SCM |
28d77376 | 795 | retrieve_select_type (SELECT_TYPE *set, SCM ports_ready, SCM list_or_vec) |
0f2d19dd | 796 | { |
28d77376 | 797 | SCM answer_list = ports_ready; |
a48a89bc | 798 | |
4057a3e0 | 799 | if (scm_is_simple_vector (list_or_vec)) |
0f2d19dd | 800 | { |
4057a3e0 | 801 | int i = SCM_SIMPLE_VECTOR_LENGTH (list_or_vec); |
a48a89bc | 802 | |
28d77376 | 803 | while (--i >= 0) |
0f2d19dd | 804 | { |
4057a3e0 MV |
805 | answer_list = get_element (set, |
806 | SCM_SIMPLE_VECTOR_REF (list_or_vec, i), | |
807 | answer_list); | |
0f2d19dd | 808 | } |
a48a89bc GH |
809 | return scm_vector (answer_list); |
810 | } | |
811 | else | |
812 | { | |
28d77376 | 813 | /* list_or_vec must be a list. */ |
c96d76b8 | 814 | while (!SCM_NULL_OR_NIL_P (list_or_vec)) |
0f2d19dd | 815 | { |
28d77376 GH |
816 | answer_list = get_element (set, SCM_CAR (list_or_vec), answer_list); |
817 | list_or_vec = SCM_CDR (list_or_vec); | |
0f2d19dd | 818 | } |
a48a89bc | 819 | return answer_list; |
0f2d19dd | 820 | } |
0f2d19dd JB |
821 | } |
822 | ||
1bbd0b84 | 823 | /* Static helper functions above refer to s_scm_select directly as s_select */ |
a1ec6916 | 824 | SCM_DEFINE (scm_select, "select", 3, 2, 0, |
1bbd0b84 | 825 | (SCM reads, SCM writes, SCM excepts, SCM secs, SCM usecs), |
28d77376 | 826 | "This procedure has a variety of uses: waiting for the ability\n" |
bb2c02f2 | 827 | "to provide input, accept output, or the existence of\n" |
28d77376 GH |
828 | "exceptional conditions on a collection of ports or file\n" |
829 | "descriptors, or waiting for a timeout to occur.\n" | |
830 | "It also returns if interrupted by a signal.\n\n" | |
831 | "@var{reads}, @var{writes} and @var{excepts} can be lists or\n" | |
832 | "vectors, with each member a port or a file descriptor.\n" | |
833 | "The value returned is a list of three corresponding\n" | |
834 | "lists or vectors containing only the members which meet the\n" | |
835 | "specified requirement. The ability of port buffers to\n" | |
836 | "provide input or accept output is taken into account.\n" | |
837 | "Ordering of the input lists or vectors is not preserved.\n\n" | |
838 | "The optional arguments @var{secs} and @var{usecs} specify the\n" | |
839 | "timeout. Either @var{secs} can be specified alone, as\n" | |
840 | "either an integer or a real number, or both @var{secs} and\n" | |
841 | "@var{usecs} can be specified as integers, in which case\n" | |
842 | "@var{usecs} is an additional timeout expressed in\n" | |
843 | "microseconds. If @var{secs} is omitted or is @code{#f} then\n" | |
844 | "select will wait for as long as it takes for one of the other\n" | |
845 | "conditions to be satisfied.\n\n" | |
846 | "The scsh version of @code{select} differs as follows:\n" | |
847 | "Only vectors are accepted for the first three arguments.\n" | |
848 | "The @var{usecs} argument is not supported.\n" | |
849 | "Multiple values are returned instead of a list.\n" | |
850 | "Duplicates in the input vectors appear only once in output.\n" | |
9401323e | 851 | "An additional @code{select!} interface is provided.") |
1bbd0b84 | 852 | #define FUNC_NAME s_scm_select |
0f2d19dd | 853 | { |
0f2d19dd | 854 | struct timeval timeout; |
28d77376 | 855 | struct timeval * time_ptr; |
0f2d19dd JB |
856 | SELECT_TYPE read_set; |
857 | SELECT_TYPE write_set; | |
858 | SELECT_TYPE except_set; | |
28d77376 GH |
859 | int read_count; |
860 | int write_count; | |
861 | int except_count; | |
862 | /* these lists accumulate ports which are ready due to buffering. | |
863 | their file descriptors don't need to be added to the select sets. */ | |
864 | SCM read_ports_ready = SCM_EOL; | |
865 | SCM write_ports_ready = SCM_EOL; | |
866 | int max_fd; | |
867 | ||
4057a3e0 | 868 | if (scm_is_simple_vector (reads)) |
28d77376 | 869 | { |
4057a3e0 | 870 | read_count = SCM_SIMPLE_VECTOR_LENGTH (reads); |
28d77376 GH |
871 | } |
872 | else | |
873 | { | |
874 | read_count = scm_ilength (reads); | |
875 | SCM_ASSERT (read_count >= 0, reads, SCM_ARG1, FUNC_NAME); | |
876 | } | |
4057a3e0 | 877 | if (scm_is_simple_vector (writes)) |
28d77376 | 878 | { |
4057a3e0 | 879 | write_count = SCM_SIMPLE_VECTOR_LENGTH (writes); |
28d77376 GH |
880 | } |
881 | else | |
882 | { | |
883 | write_count = scm_ilength (writes); | |
884 | SCM_ASSERT (write_count >= 0, writes, SCM_ARG2, FUNC_NAME); | |
885 | } | |
4057a3e0 | 886 | if (scm_is_simple_vector (excepts)) |
28d77376 | 887 | { |
4057a3e0 | 888 | except_count = SCM_SIMPLE_VECTOR_LENGTH (excepts); |
28d77376 GH |
889 | } |
890 | else | |
891 | { | |
892 | except_count = scm_ilength (excepts); | |
893 | SCM_ASSERT (except_count >= 0, excepts, SCM_ARG3, FUNC_NAME); | |
894 | } | |
0f2d19dd JB |
895 | |
896 | FD_ZERO (&read_set); | |
897 | FD_ZERO (&write_set); | |
898 | FD_ZERO (&except_set); | |
899 | ||
28d77376 GH |
900 | max_fd = fill_select_type (&read_set, &read_ports_ready, reads, SCM_ARG1); |
901 | ||
902 | { | |
903 | int write_max = fill_select_type (&write_set, &write_ports_ready, | |
904 | writes, SCM_ARG2); | |
905 | int except_max = fill_select_type (&except_set, NULL, | |
906 | excepts, SCM_ARG3); | |
907 | ||
908 | if (write_max > max_fd) | |
909 | max_fd = write_max; | |
910 | if (except_max > max_fd) | |
911 | max_fd = except_max; | |
912 | } | |
0f2d19dd | 913 | |
ae1b098b GH |
914 | /* if there's a port with a ready buffer, don't block, just |
915 | check for ready file descriptors. */ | |
d2e53ed6 | 916 | if (!scm_is_null (read_ports_ready) || !scm_is_null (write_ports_ready)) |
ae1b098b GH |
917 | { |
918 | timeout.tv_sec = 0; | |
919 | timeout.tv_usec = 0; | |
920 | time_ptr = &timeout; | |
921 | } | |
7888309b | 922 | else if (SCM_UNBNDP (secs) || scm_is_false (secs)) |
28d77376 | 923 | time_ptr = 0; |
0f2d19dd JB |
924 | else |
925 | { | |
a55c2b68 | 926 | if (scm_is_unsigned_integer (secs, 0, ULONG_MAX)) |
a48a89bc | 927 | { |
a55c2b68 | 928 | timeout.tv_sec = scm_to_ulong (secs); |
a48a89bc GH |
929 | if (SCM_UNBNDP (usecs)) |
930 | timeout.tv_usec = 0; | |
931 | else | |
a55c2b68 | 932 | timeout.tv_usec = scm_to_long (usecs); |
a48a89bc | 933 | } |
0f2d19dd | 934 | else |
a48a89bc | 935 | { |
d9a67fc4 | 936 | double fl = scm_to_double (secs); |
a48a89bc GH |
937 | |
938 | if (!SCM_UNBNDP (usecs)) | |
c1bfcf60 | 939 | SCM_WRONG_TYPE_ARG (4, secs); |
a48a89bc | 940 | if (fl > LONG_MAX) |
c1bfcf60 | 941 | SCM_OUT_OF_RANGE (4, secs); |
a48a89bc GH |
942 | timeout.tv_sec = (long) fl; |
943 | timeout.tv_usec = (long) ((fl - timeout.tv_sec) * 1000000); | |
944 | } | |
28d77376 | 945 | time_ptr = &timeout; |
0f2d19dd JB |
946 | } |
947 | ||
28d77376 | 948 | { |
9de87eea MV |
949 | int rv = scm_std_select (max_fd + 1, |
950 | &read_set, &write_set, &except_set, | |
951 | time_ptr); | |
28d77376 GH |
952 | if (rv < 0) |
953 | SCM_SYSERROR; | |
954 | } | |
1afff620 KN |
955 | return scm_list_3 (retrieve_select_type (&read_set, read_ports_ready, reads), |
956 | retrieve_select_type (&write_set, write_ports_ready, writes), | |
957 | retrieve_select_type (&except_set, SCM_EOL, excepts)); | |
0f2d19dd | 958 | } |
1bbd0b84 | 959 | #undef FUNC_NAME |
f25f761d | 960 | #endif /* HAVE_SELECT */ |
0f2d19dd JB |
961 | |
962 | \f | |
4c1feaa5 | 963 | |
82893676 | 964 | #ifdef HAVE_FCNTL |
af45e3b0 | 965 | SCM_DEFINE (scm_fcntl, "fcntl", 2, 1, 0, |
1bbd0b84 | 966 | (SCM object, SCM cmd, SCM value), |
d3818c29 MD |
967 | "Apply @var{command} to the specified file descriptor or the underlying\n" |
968 | "file descriptor of the specified port. @var{value} is an optional\n" | |
969 | "integer argument.\n\n" | |
970 | "Values for @var{command} are:\n\n" | |
971 | "@table @code\n" | |
972 | "@item F_DUPFD\n" | |
973 | "Duplicate a file descriptor\n" | |
974 | "@item F_GETFD\n" | |
975 | "Get flags associated with the file descriptor.\n" | |
976 | "@item F_SETFD\n" | |
977 | "Set flags associated with the file descriptor to @var{value}.\n" | |
978 | "@item F_GETFL\n" | |
979 | "Get flags associated with the open file.\n" | |
980 | "@item F_SETFL\n" | |
981 | "Set flags associated with the open file to @var{value}\n" | |
982 | "@item F_GETOWN\n" | |
983 | "Get the process ID of a socket's owner, for @code{SIGIO} signals.\n" | |
984 | "@item F_SETOWN\n" | |
985 | "Set the process that owns a socket to @var{value}, for @code{SIGIO} signals.\n" | |
986 | "@item FD_CLOEXEC\n" | |
55892d87 NJ |
987 | "The value used to indicate the \"close on exec\" flag with @code{F_GETFL} or\n" |
988 | "@code{F_SETFL}.\n" | |
a3c8b9fc | 989 | "@end table") |
1bbd0b84 | 990 | #define FUNC_NAME s_scm_fcntl |
4c1feaa5 JB |
991 | { |
992 | int rv; | |
6afcd3b2 GH |
993 | int fdes; |
994 | int ivalue; | |
4c1feaa5 | 995 | |
78446828 MV |
996 | object = SCM_COERCE_OUTPORT (object); |
997 | ||
0c95b57d | 998 | if (SCM_OPFPORTP (object)) |
77a76b64 | 999 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 | 1000 | else |
a55c2b68 | 1001 | fdes = scm_to_int (object); |
af45e3b0 | 1002 | |
a55c2b68 | 1003 | if (SCM_UNBNDP (value)) |
6afcd3b2 | 1004 | ivalue = 0; |
a55c2b68 MV |
1005 | else |
1006 | ivalue = scm_to_int (value); | |
af45e3b0 | 1007 | |
a55c2b68 | 1008 | SCM_SYSCALL (rv = fcntl (fdes, scm_to_int (cmd), ivalue)); |
77a76b64 | 1009 | if (rv == -1) |
1bbd0b84 | 1010 | SCM_SYSERROR; |
a55c2b68 | 1011 | return scm_from_int (rv); |
4c1feaa5 | 1012 | } |
1bbd0b84 | 1013 | #undef FUNC_NAME |
82893676 | 1014 | #endif /* HAVE_FCNTL */ |
6afcd3b2 | 1015 | |
a1ec6916 | 1016 | SCM_DEFINE (scm_fsync, "fsync", 1, 0, 0, |
1bbd0b84 | 1017 | (SCM object), |
d3818c29 MD |
1018 | "Copies any unwritten data for the specified output file descriptor to disk.\n" |
1019 | "If @var{port/fd} is a port, its buffer is flushed before the underlying\n" | |
1020 | "file descriptor is fsync'd.\n" | |
1021 | "The return value is unspecified.") | |
1bbd0b84 | 1022 | #define FUNC_NAME s_scm_fsync |
6afcd3b2 GH |
1023 | { |
1024 | int fdes; | |
1025 | ||
78446828 MV |
1026 | object = SCM_COERCE_OUTPORT (object); |
1027 | ||
0c95b57d | 1028 | if (SCM_OPFPORTP (object)) |
6afcd3b2 | 1029 | { |
4251ae2e | 1030 | scm_flush_unlocked (object); |
77a76b64 | 1031 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 GH |
1032 | } |
1033 | else | |
a55c2b68 MV |
1034 | fdes = scm_to_int (object); |
1035 | ||
6afcd3b2 | 1036 | if (fsync (fdes) == -1) |
1bbd0b84 | 1037 | SCM_SYSERROR; |
6afcd3b2 GH |
1038 | return SCM_UNSPECIFIED; |
1039 | } | |
1bbd0b84 | 1040 | #undef FUNC_NAME |
0f2d19dd | 1041 | |
f25f761d | 1042 | #ifdef HAVE_SYMLINK |
a1ec6916 | 1043 | SCM_DEFINE (scm_symlink, "symlink", 2, 0, 0, |
1bbd0b84 | 1044 | (SCM oldpath, SCM newpath), |
d3818c29 MD |
1045 | "Create a symbolic link named @var{path-to} with the value (i.e., pointing to)\n" |
1046 | "@var{path-from}. The return value is unspecified.") | |
1bbd0b84 | 1047 | #define FUNC_NAME s_scm_symlink |
0f2d19dd | 1048 | { |
0f2d19dd | 1049 | int val; |
02b754d3 | 1050 | |
1299a0f1 MV |
1051 | STRING2_SYSCALL (oldpath, c_oldpath, |
1052 | newpath, c_newpath, | |
1053 | val = symlink (c_oldpath, c_newpath)); | |
02b754d3 | 1054 | if (val != 0) |
1bbd0b84 | 1055 | SCM_SYSERROR; |
02b754d3 | 1056 | return SCM_UNSPECIFIED; |
0f2d19dd | 1057 | } |
1bbd0b84 | 1058 | #undef FUNC_NAME |
f25f761d | 1059 | #endif /* HAVE_SYMLINK */ |
0f2d19dd | 1060 | |
f25f761d | 1061 | #ifdef HAVE_READLINK |
a1ec6916 | 1062 | SCM_DEFINE (scm_readlink, "readlink", 1, 0, 0, |
1bbd0b84 | 1063 | (SCM path), |
1e6808ea MG |
1064 | "Return the value of the symbolic link named by @var{path} (a\n" |
1065 | "string), i.e., the file that the link points to.") | |
1bbd0b84 | 1066 | #define FUNC_NAME s_scm_readlink |
0f2d19dd | 1067 | { |
6a738a25 JB |
1068 | int rv; |
1069 | int size = 100; | |
0f2d19dd JB |
1070 | char *buf; |
1071 | SCM result; | |
1299a0f1 MV |
1072 | char *c_path; |
1073 | ||
661ae7ab | 1074 | scm_dynwind_begin (0); |
1299a0f1 MV |
1075 | |
1076 | c_path = scm_to_locale_string (path); | |
661ae7ab | 1077 | scm_dynwind_free (c_path); |
1299a0f1 | 1078 | |
4c9419ac | 1079 | buf = scm_malloc (size); |
1299a0f1 MV |
1080 | |
1081 | while ((rv = readlink (c_path, buf, size)) == size) | |
0f2d19dd | 1082 | { |
4c9419ac | 1083 | free (buf); |
0f2d19dd | 1084 | size *= 2; |
4c9419ac | 1085 | buf = scm_malloc (size); |
0f2d19dd | 1086 | } |
02b754d3 | 1087 | if (rv == -1) |
11e1db06 KR |
1088 | { |
1089 | int save_errno = errno; | |
1090 | free (buf); | |
1091 | errno = save_errno; | |
1092 | SCM_SYSERROR; | |
1093 | } | |
1299a0f1 MV |
1094 | result = scm_take_locale_stringn (buf, rv); |
1095 | ||
661ae7ab | 1096 | scm_dynwind_end (); |
0f2d19dd | 1097 | return result; |
0f2d19dd | 1098 | } |
1bbd0b84 | 1099 | #undef FUNC_NAME |
f25f761d | 1100 | #endif /* HAVE_READLINK */ |
0f2d19dd | 1101 | |
a1ec6916 | 1102 | SCM_DEFINE (scm_copy_file, "copy-file", 2, 0, 0, |
1bbd0b84 | 1103 | (SCM oldfile, SCM newfile), |
d3818c29 MD |
1104 | "Copy the file specified by @var{path-from} to @var{path-to}.\n" |
1105 | "The return value is unspecified.") | |
1bbd0b84 | 1106 | #define FUNC_NAME s_scm_copy_file |
0f2d19dd | 1107 | { |
1299a0f1 | 1108 | char *c_oldfile, *c_newfile; |
0f2d19dd | 1109 | int oldfd, newfd; |
37eb673b | 1110 | int n, rv; |
77a76b64 | 1111 | char buf[BUFSIZ]; |
2b829bbb | 1112 | struct stat_or_stat64 oldstat; |
0f2d19dd | 1113 | |
661ae7ab | 1114 | scm_dynwind_begin (0); |
1299a0f1 MV |
1115 | |
1116 | c_oldfile = scm_to_locale_string (oldfile); | |
661ae7ab | 1117 | scm_dynwind_free (c_oldfile); |
1299a0f1 | 1118 | c_newfile = scm_to_locale_string (newfile); |
661ae7ab | 1119 | scm_dynwind_free (c_newfile); |
37eb673b | 1120 | |
2b829bbb | 1121 | oldfd = open_or_open64 (c_oldfile, O_RDONLY); |
0f2d19dd | 1122 | if (oldfd == -1) |
1bbd0b84 | 1123 | SCM_SYSERROR; |
02b754d3 | 1124 | |
37eb673b KR |
1125 | #ifdef __MINGW32__ |
1126 | SCM_SYSCALL (rv = fstat_Win32 (oldfd, &oldstat)); | |
1127 | #else | |
2b829bbb | 1128 | SCM_SYSCALL (rv = fstat_or_fstat64 (oldfd, &oldstat)); |
37eb673b KR |
1129 | #endif |
1130 | if (rv == -1) | |
1131 | goto err_close_oldfd; | |
1132 | ||
02b754d3 | 1133 | /* use POSIX flags instead of 07777?. */ |
2b829bbb KR |
1134 | newfd = open_or_open64 (c_newfile, O_WRONLY | O_CREAT | O_TRUNC, |
1135 | oldstat.st_mode & 07777); | |
0f2d19dd | 1136 | if (newfd == -1) |
01046395 | 1137 | { |
37eb673b | 1138 | err_close_oldfd: |
01046395 KR |
1139 | close (oldfd); |
1140 | SCM_SYSERROR; | |
1141 | } | |
02b754d3 | 1142 | |
0f2d19dd JB |
1143 | while ((n = read (oldfd, buf, sizeof buf)) > 0) |
1144 | if (write (newfd, buf, n) != n) | |
1145 | { | |
1146 | close (oldfd); | |
1147 | close (newfd); | |
1bbd0b84 | 1148 | SCM_SYSERROR; |
0f2d19dd JB |
1149 | } |
1150 | close (oldfd); | |
1151 | if (close (newfd) == -1) | |
1bbd0b84 | 1152 | SCM_SYSERROR; |
1299a0f1 | 1153 | |
661ae7ab | 1154 | scm_dynwind_end (); |
02b754d3 | 1155 | return SCM_UNSPECIFIED; |
0f2d19dd | 1156 | } |
1bbd0b84 | 1157 | #undef FUNC_NAME |
0f2d19dd | 1158 | |
073167ef LC |
1159 | #endif /* HAVE_POSIX */ |
1160 | ||
1161 | \f | |
1162 | /* Essential procedures used in (system base compile). */ | |
1163 | ||
1164 | #ifdef HAVE_GETCWD | |
1165 | SCM_DEFINE (scm_getcwd, "getcwd", 0, 0, 0, | |
1166 | (), | |
1167 | "Return the name of the current working directory.") | |
1168 | #define FUNC_NAME s_scm_getcwd | |
1169 | { | |
1170 | char *rv; | |
1171 | size_t size = 100; | |
1172 | char *wd; | |
1173 | SCM result; | |
1174 | ||
1175 | wd = scm_malloc (size); | |
1176 | while ((rv = getcwd (wd, size)) == 0 && errno == ERANGE) | |
1177 | { | |
1178 | free (wd); | |
1179 | size *= 2; | |
1180 | wd = scm_malloc (size); | |
1181 | } | |
1182 | if (rv == 0) | |
1183 | { | |
1184 | int save_errno = errno; | |
1185 | free (wd); | |
1186 | errno = save_errno; | |
1187 | SCM_SYSERROR; | |
1188 | } | |
1189 | result = scm_from_locale_stringn (wd, strlen (wd)); | |
1190 | free (wd); | |
1191 | return result; | |
1192 | } | |
1193 | #undef FUNC_NAME | |
1194 | #endif /* HAVE_GETCWD */ | |
1195 | ||
1196 | #ifdef HAVE_MKDIR | |
1197 | SCM_DEFINE (scm_mkdir, "mkdir", 1, 1, 0, | |
1198 | (SCM path, SCM mode), | |
1199 | "Create a new directory named by @var{path}. If @var{mode} is omitted\n" | |
1200 | "then the permissions of the directory file are set using the current\n" | |
1201 | "umask. Otherwise they are set to the decimal value specified with\n" | |
1202 | "@var{mode}. The return value is unspecified.") | |
1203 | #define FUNC_NAME s_scm_mkdir | |
1204 | { | |
1205 | int rv; | |
1206 | mode_t mask; | |
1207 | ||
1208 | if (SCM_UNBNDP (mode)) | |
1209 | { | |
1210 | mask = umask (0); | |
1211 | umask (mask); | |
1212 | STRING_SYSCALL (path, c_path, rv = mkdir (c_path, 0777 ^ mask)); | |
1213 | } | |
1214 | else | |
1215 | { | |
1216 | STRING_SYSCALL (path, c_path, rv = mkdir (c_path, scm_to_uint (mode))); | |
1217 | } | |
1218 | if (rv != 0) | |
1219 | SCM_SYSERROR; | |
1220 | return SCM_UNSPECIFIED; | |
1221 | } | |
1222 | #undef FUNC_NAME | |
1223 | #endif /* HAVE_MKDIR */ | |
1224 | ||
1225 | #ifdef HAVE_RMDIR | |
1226 | SCM_DEFINE (scm_rmdir, "rmdir", 1, 0, 0, | |
1227 | (SCM path), | |
1228 | "Remove the existing directory named by @var{path}. The directory must\n" | |
1229 | "be empty for this to succeed. The return value is unspecified.") | |
1230 | #define FUNC_NAME s_scm_rmdir | |
1231 | { | |
1232 | int val; | |
1233 | ||
1234 | STRING_SYSCALL (path, c_path, val = rmdir (c_path)); | |
1235 | if (val != 0) | |
1236 | SCM_SYSERROR; | |
1237 | return SCM_UNSPECIFIED; | |
1238 | } | |
1239 | #undef FUNC_NAME | |
1240 | #endif | |
1241 | ||
1242 | #ifdef HAVE_RENAME | |
1243 | #define my_rename rename | |
1244 | #else | |
1245 | static int | |
1246 | my_rename (const char *oldname, const char *newname) | |
1247 | { | |
1248 | int rv; | |
1249 | ||
1250 | SCM_SYSCALL (rv = link (oldname, newname)); | |
1251 | if (rv == 0) | |
1252 | { | |
1253 | SCM_SYSCALL (rv = unlink (oldname)); | |
1254 | if (rv != 0) | |
1255 | /* unlink failed. remove new name */ | |
1256 | SCM_SYSCALL (unlink (newname)); | |
1257 | } | |
1258 | return rv; | |
1259 | } | |
1260 | #endif | |
1261 | ||
1262 | SCM_DEFINE (scm_rename, "rename-file", 2, 0, 0, | |
1263 | (SCM oldname, SCM newname), | |
1264 | "Renames the file specified by @var{oldname} to @var{newname}.\n" | |
1265 | "The return value is unspecified.") | |
1266 | #define FUNC_NAME s_scm_rename | |
1267 | { | |
1268 | int rv; | |
1269 | ||
1270 | STRING2_SYSCALL (oldname, c_oldname, | |
1271 | newname, c_newname, | |
1272 | rv = my_rename (c_oldname, c_newname)); | |
1273 | if (rv != 0) | |
1274 | SCM_SYSERROR; | |
1275 | return SCM_UNSPECIFIED; | |
1276 | } | |
1277 | #undef FUNC_NAME | |
1278 | ||
1279 | ||
1280 | SCM_DEFINE (scm_delete_file, "delete-file", 1, 0, 0, | |
1281 | (SCM str), | |
1282 | "Deletes (or \"unlinks\") the file specified by @var{path}.") | |
1283 | #define FUNC_NAME s_scm_delete_file | |
1284 | { | |
1285 | int ans; | |
1286 | STRING_SYSCALL (str, c_str, ans = unlink (c_str)); | |
1287 | if (ans != 0) | |
1288 | SCM_SYSERROR; | |
1289 | return SCM_UNSPECIFIED; | |
1290 | } | |
1291 | #undef FUNC_NAME | |
1292 | ||
1293 | SCM_DEFINE (scm_access, "access?", 2, 0, 0, | |
1294 | (SCM path, SCM how), | |
1295 | "Test accessibility of a file under the real UID and GID of the\n" | |
1296 | "calling process. The return is @code{#t} if @var{path} exists\n" | |
1297 | "and the permissions requested by @var{how} are all allowed, or\n" | |
1298 | "@code{#f} if not.\n" | |
1299 | "\n" | |
1300 | "@var{how} is an integer which is one of the following values,\n" | |
1301 | "or a bitwise-OR (@code{logior}) of multiple values.\n" | |
1302 | "\n" | |
1303 | "@defvar R_OK\n" | |
1304 | "Test for read permission.\n" | |
1305 | "@end defvar\n" | |
1306 | "@defvar W_OK\n" | |
1307 | "Test for write permission.\n" | |
1308 | "@end defvar\n" | |
1309 | "@defvar X_OK\n" | |
1310 | "Test for execute permission.\n" | |
1311 | "@end defvar\n" | |
1312 | "@defvar F_OK\n" | |
1313 | "Test for existence of the file. This is implied by each of the\n" | |
1314 | "other tests, so there's no need to combine it with them.\n" | |
1315 | "@end defvar\n" | |
1316 | "\n" | |
1317 | "It's important to note that @code{access?} does not simply\n" | |
1318 | "indicate what will happen on attempting to read or write a\n" | |
1319 | "file. In normal circumstances it does, but in a set-UID or\n" | |
1320 | "set-GID program it doesn't because @code{access?} tests the\n" | |
1321 | "real ID, whereas an open or execute attempt uses the effective\n" | |
1322 | "ID.\n" | |
1323 | "\n" | |
1324 | "A program which will never run set-UID/GID can ignore the\n" | |
1325 | "difference between real and effective IDs, but for maximum\n" | |
1326 | "generality, especially in library functions, it's best not to\n" | |
1327 | "use @code{access?} to predict the result of an open or execute,\n" | |
1328 | "instead simply attempt that and catch any exception.\n" | |
1329 | "\n" | |
1330 | "The main use for @code{access?} is to let a set-UID/GID program\n" | |
1331 | "determine what the invoking user would have been allowed to do,\n" | |
1332 | "without the greater (or perhaps lesser) privileges afforded by\n" | |
1333 | "the effective ID. For more on this, see ``Testing File\n" | |
1334 | "Access'' in The GNU C Library Reference Manual.") | |
1335 | #define FUNC_NAME s_scm_access | |
1336 | { | |
1337 | int rv; | |
1338 | char *c_path; | |
1339 | ||
1340 | c_path = scm_to_locale_string (path); | |
1341 | rv = access (c_path, scm_to_int (how)); | |
1342 | free (c_path); | |
1343 | ||
1344 | return scm_from_bool (!rv); | |
1345 | } | |
1346 | #undef FUNC_NAME | |
1347 | ||
1348 | SCM_DEFINE (scm_chmod, "chmod", 2, 0, 0, | |
1349 | (SCM object, SCM mode), | |
1350 | "Changes the permissions of the file referred to by @var{obj}.\n" | |
1351 | "@var{obj} can be a string containing a file name or a port or integer file\n" | |
1352 | "descriptor which is open on a file (in which case @code{fchmod} is used\n" | |
1353 | "as the underlying system call).\n" | |
1354 | "@var{mode} specifies\n" | |
1355 | "the new permissions as a decimal number, e.g., @code{(chmod \"foo\" #o755)}.\n" | |
1356 | "The return value is unspecified.") | |
1357 | #define FUNC_NAME s_scm_chmod | |
1358 | { | |
1359 | int rv; | |
1360 | int fdes; | |
1361 | ||
1362 | object = SCM_COERCE_OUTPORT (object); | |
1363 | ||
1364 | if (scm_is_integer (object) || SCM_OPFPORTP (object)) | |
1365 | { | |
1366 | if (scm_is_integer (object)) | |
1367 | fdes = scm_to_int (object); | |
1368 | else | |
1369 | fdes = SCM_FPORT_FDES (object); | |
1370 | SCM_SYSCALL (rv = fchmod (fdes, scm_to_int (mode))); | |
1371 | } | |
1372 | else | |
1373 | { | |
1374 | STRING_SYSCALL (object, c_object, | |
1375 | rv = chmod (c_object, scm_to_int (mode))); | |
1376 | } | |
1377 | if (rv == -1) | |
1378 | SCM_SYSERROR; | |
1379 | return SCM_UNSPECIFIED; | |
1380 | } | |
1381 | #undef FUNC_NAME | |
1382 | ||
1383 | SCM_DEFINE (scm_umask, "umask", 0, 1, 0, | |
1384 | (SCM mode), | |
1385 | "If @var{mode} is omitted, returns a decimal number representing the current\n" | |
1386 | "file creation mask. Otherwise the file creation mask is set to\n" | |
1387 | "@var{mode} and the previous value is returned.\n\n" | |
1388 | "E.g., @code{(umask #o022)} sets the mask to octal 22, decimal 18.") | |
1389 | #define FUNC_NAME s_scm_umask | |
1390 | { | |
1391 | mode_t mask; | |
1392 | if (SCM_UNBNDP (mode)) | |
1393 | { | |
1394 | mask = umask (0); | |
1395 | umask (mask); | |
1396 | } | |
1397 | else | |
1398 | { | |
1399 | mask = umask (scm_to_uint (mode)); | |
1400 | } | |
1401 | return scm_from_uint (mask); | |
1402 | } | |
1403 | #undef FUNC_NAME | |
1404 | ||
1405 | #ifndef HAVE_MKSTEMP | |
1406 | extern int mkstemp (char *); | |
1407 | #endif | |
1408 | ||
1409 | SCM_DEFINE (scm_mkstemp, "mkstemp!", 1, 0, 0, | |
1410 | (SCM tmpl), | |
1411 | "Create a new unique file in the file system and return a new\n" | |
1412 | "buffered port open for reading and writing to the file.\n" | |
1413 | "\n" | |
1414 | "@var{tmpl} is a string specifying where the file should be\n" | |
1415 | "created: it must end with @samp{XXXXXX} and those @samp{X}s\n" | |
1416 | "will be changed in the string to return the name of the file.\n" | |
1417 | "(@code{port-filename} on the port also gives the name.)\n" | |
1418 | "\n" | |
1419 | "POSIX doesn't specify the permissions mode of the file, on GNU\n" | |
1420 | "and most systems it's @code{#o600}. An application can use\n" | |
1421 | "@code{chmod} to relax that if desired. For example\n" | |
1422 | "@code{#o666} less @code{umask}, which is usual for ordinary\n" | |
1423 | "file creation,\n" | |
1424 | "\n" | |
1425 | "@example\n" | |
1426 | "(let ((port (mkstemp! (string-copy \"/tmp/myfile-XXXXXX\"))))\n" | |
1427 | " (chmod port (logand #o666 (lognot (umask))))\n" | |
1428 | " ...)\n" | |
1429 | "@end example") | |
1430 | #define FUNC_NAME s_scm_mkstemp | |
1431 | { | |
1432 | char *c_tmpl; | |
1433 | int rv; | |
1434 | ||
1435 | scm_dynwind_begin (0); | |
1436 | ||
1437 | c_tmpl = scm_to_locale_string (tmpl); | |
1438 | scm_dynwind_free (c_tmpl); | |
1439 | ||
1440 | SCM_SYSCALL (rv = mkstemp (c_tmpl)); | |
1441 | if (rv == -1) | |
1442 | SCM_SYSERROR; | |
1443 | ||
1444 | scm_substring_move_x (scm_from_locale_string (c_tmpl), | |
1445 | SCM_INUM0, scm_string_length (tmpl), | |
1446 | tmpl, SCM_INUM0); | |
1447 | ||
1448 | scm_dynwind_end (); | |
1449 | return scm_fdes_to_port (rv, "w+", tmpl); | |
1450 | } | |
1451 | #undef FUNC_NAME | |
1452 | ||
0f2d19dd | 1453 | \f |
6a738a25 JB |
1454 | /* Filename manipulation */ |
1455 | ||
1456 | SCM scm_dot_string; | |
1457 | ||
a1ec6916 | 1458 | SCM_DEFINE (scm_dirname, "dirname", 1, 0, 0, |
1bbd0b84 | 1459 | (SCM filename), |
fa6a543f MG |
1460 | "Return the directory name component of the file name\n" |
1461 | "@var{filename}. If @var{filename} does not contain a directory\n" | |
1462 | "component, @code{.} is returned.") | |
1bbd0b84 | 1463 | #define FUNC_NAME s_scm_dirname |
6a738a25 | 1464 | { |
9fd38a3d DH |
1465 | long int i; |
1466 | unsigned long int len; | |
1467 | ||
34d19ef6 | 1468 | SCM_VALIDATE_STRING (1, filename); |
9fd38a3d | 1469 | |
cc95e00a | 1470 | len = scm_i_string_length (filename); |
9fd38a3d | 1471 | |
6a738a25 | 1472 | i = len - 1; |
82893676 | 1473 | #ifdef __MINGW32__ |
832bbc95 MG |
1474 | while (i >= 0 && (scm_i_string_ref (filename, i) == '/' |
1475 | || scm_i_string_ref (filename, i) == '\\')) | |
1476 | --i; | |
1477 | while (i >= 0 && (scm_i_string_ref (filename, i) != '/' | |
1478 | && scm_i_string_ref (filename, i) != '\\')) | |
1479 | --i; | |
1480 | while (i >= 0 && (scm_i_string_ref (filename, i) == '/' | |
1481 | || scm_i_string_ref (filename, i) == '\\')) | |
1482 | --i; | |
82893676 | 1483 | #else |
832bbc95 MG |
1484 | while (i >= 0 && scm_i_string_ref (filename, i) == '/') |
1485 | --i; | |
1486 | while (i >= 0 && scm_i_string_ref (filename, i) != '/') | |
1487 | --i; | |
1488 | while (i >= 0 && scm_i_string_ref (filename, i) == '/') | |
1489 | --i; | |
82893676 | 1490 | #endif /* ndef __MINGW32__ */ |
6a738a25 JB |
1491 | if (i < 0) |
1492 | { | |
82893676 | 1493 | #ifdef __MINGW32__ |
832bbc95 MG |
1494 | if (len > 0 && (scm_i_string_ref (filename, 0) == '/' |
1495 | || scm_i_string_ref (filename, 0) == '\\')) | |
82893676 | 1496 | #else |
832bbc95 | 1497 | if (len > 0 && scm_i_string_ref (filename, 0) == '/') |
82893676 | 1498 | #endif /* ndef __MINGW32__ */ |
cc95e00a | 1499 | return scm_c_substring (filename, 0, 1); |
6a738a25 JB |
1500 | else |
1501 | return scm_dot_string; | |
1502 | } | |
1503 | else | |
cc95e00a | 1504 | return scm_c_substring (filename, 0, i + 1); |
6a738a25 | 1505 | } |
1bbd0b84 | 1506 | #undef FUNC_NAME |
6a738a25 | 1507 | |
a1ec6916 | 1508 | SCM_DEFINE (scm_basename, "basename", 1, 1, 0, |
1bbd0b84 | 1509 | (SCM filename, SCM suffix), |
fa6a543f MG |
1510 | "Return the base name of the file name @var{filename}. The\n" |
1511 | "base name is the file name without any directory components.\n" | |
bb2c02f2 | 1512 | "If @var{suffix} is provided, and is equal to the end of\n" |
fa6a543f | 1513 | "@var{basename}, it is removed also.") |
1bbd0b84 | 1514 | #define FUNC_NAME s_scm_basename |
6a738a25 | 1515 | { |
6a738a25 | 1516 | int i, j, len, end; |
9fd38a3d | 1517 | |
34d19ef6 | 1518 | SCM_VALIDATE_STRING (1, filename); |
cc95e00a | 1519 | len = scm_i_string_length (filename); |
9fd38a3d | 1520 | |
6a738a25 JB |
1521 | if (SCM_UNBNDP (suffix)) |
1522 | j = -1; | |
1523 | else | |
1524 | { | |
9fd38a3d | 1525 | SCM_VALIDATE_STRING (2, suffix); |
cc95e00a | 1526 | j = scm_i_string_length (suffix) - 1; |
6a738a25 | 1527 | } |
6a738a25 | 1528 | i = len - 1; |
82893676 | 1529 | #ifdef __MINGW32__ |
832bbc95 MG |
1530 | while (i >= 0 && (scm_i_string_ref (filename, i) == '/' |
1531 | || scm_i_string_ref (filename, i) == '\\')) | |
1532 | --i; | |
82893676 | 1533 | #else |
832bbc95 MG |
1534 | while (i >= 0 && scm_i_string_ref (filename, i) == '/') |
1535 | --i; | |
82893676 | 1536 | #endif /* ndef __MINGW32__ */ |
6a738a25 | 1537 | end = i; |
832bbc95 MG |
1538 | while (i >= 0 && j >= 0 |
1539 | && (scm_i_string_ref (filename, i) | |
1540 | == scm_i_string_ref (suffix, j))) | |
1541 | { | |
1542 | --i; | |
1543 | --j; | |
1544 | } | |
6a738a25 JB |
1545 | if (j == -1) |
1546 | end = i; | |
82893676 | 1547 | #ifdef __MINGW32__ |
832bbc95 MG |
1548 | while (i >= 0 && (scm_i_string_ref (filename, i) != '/' |
1549 | && scm_i_string_ref (filename, i) != '\\')) | |
1550 | --i; | |
82893676 | 1551 | #else |
832bbc95 MG |
1552 | while (i >= 0 && scm_i_string_ref (filename, i) != '/') |
1553 | --i; | |
82893676 | 1554 | #endif /* ndef __MINGW32__ */ |
6a738a25 JB |
1555 | if (i == end) |
1556 | { | |
82893676 | 1557 | #ifdef __MINGW32__ |
832bbc95 MG |
1558 | if (len > 0 && (scm_i_string_ref (filename, 0) == '/' |
1559 | || scm_i_string_ref (filename, 0) == '\\')) | |
82893676 | 1560 | #else |
832bbc95 | 1561 | if (len > 0 && scm_i_string_ref (filename, 0) == '/') |
82893676 | 1562 | #endif /* ndef __MINGW32__ */ |
832bbc95 | 1563 | return scm_c_substring (filename, 0, 1); |
6a738a25 JB |
1564 | else |
1565 | return scm_dot_string; | |
1566 | } | |
1567 | else | |
cc95e00a | 1568 | return scm_c_substring (filename, i+1, end+1); |
6a738a25 | 1569 | } |
1bbd0b84 | 1570 | #undef FUNC_NAME |
6a738a25 | 1571 | |
25b82b34 AW |
1572 | SCM_DEFINE (scm_canonicalize_path, "canonicalize-path", 1, 0, 0, |
1573 | (SCM path), | |
1574 | "Return the canonical path of @var{path}. A canonical path has\n" | |
1575 | "no @code{.} or @code{..} components, nor any repeated path\n" | |
1576 | "separators (@code{/}) nor symlinks.\n\n" | |
1577 | "Raises an error if any component of @var{path} does not exist.") | |
1578 | #define FUNC_NAME s_scm_canonicalize_path | |
427c73b9 AW |
1579 | { |
1580 | char *str, *canon; | |
25b82b34 AW |
1581 | |
1582 | SCM_VALIDATE_STRING (1, path); | |
1583 | ||
1584 | str = scm_to_locale_string (path); | |
1585 | canon = canonicalize_file_name (str); | |
1586 | free (str); | |
1587 | ||
1588 | if (canon) | |
1589 | return scm_take_locale_string (canon); | |
1590 | else | |
1591 | SCM_SYSERROR; | |
1592 | } | |
1593 | #undef FUNC_NAME | |
6a738a25 | 1594 | |
22457d57 AW |
1595 | SCM |
1596 | scm_i_relativize_path (SCM path, SCM in_path) | |
1597 | { | |
1598 | char *str, *canon; | |
1599 | SCM scanon; | |
1600 | ||
1601 | str = scm_to_locale_string (path); | |
1602 | canon = canonicalize_file_name (str); | |
1603 | free (str); | |
1604 | ||
1605 | if (!canon) | |
1606 | return SCM_BOOL_F; | |
1607 | ||
1608 | scanon = scm_take_locale_string (canon); | |
1609 | ||
1610 | for (; scm_is_pair (in_path); in_path = scm_cdr (in_path)) | |
1611 | if (scm_is_true (scm_string_prefix_p (scm_car (in_path), | |
1612 | scanon, | |
1613 | SCM_UNDEFINED, SCM_UNDEFINED, | |
1614 | SCM_UNDEFINED, SCM_UNDEFINED))) | |
1615 | { | |
1616 | size_t len = scm_c_string_length (scm_car (in_path)); | |
1617 | ||
1618 | /* The path either has a trailing delimiter or doesn't. scanon will be | |
1619 | delimited by single delimiters. In the case in which the path does | |
1620 | not have a trailing delimiter, add one to the length to strip off the | |
1621 | delimiter within scanon. */ | |
1622 | if (!len | |
1623 | #ifdef __MINGW32__ | |
1624 | || (scm_i_string_ref (scm_car (in_path), len - 1) != '/' | |
1625 | && scm_i_string_ref (scm_car (in_path), len - 1) != '\\') | |
1626 | #else | |
1627 | || scm_i_string_ref (scm_car (in_path), len - 1) != '/' | |
1628 | #endif | |
1629 | ) | |
1630 | len++; | |
1631 | ||
1632 | if (scm_c_string_length (scanon) > len) | |
1633 | return scm_substring (scanon, scm_from_size_t (len), SCM_UNDEFINED); | |
1634 | else | |
1635 | return SCM_BOOL_F; | |
1636 | } | |
1637 | ||
1638 | return SCM_BOOL_F; | |
1639 | } | |
1640 | ||
d0476fa2 LC |
1641 | \f |
1642 | /* Examining directories. These procedures are used by `check-guile' | |
1643 | and thus compiled unconditionally. */ | |
1644 | ||
1645 | scm_t_bits scm_tc16_dir; | |
1646 | ||
1647 | ||
1648 | SCM_DEFINE (scm_directory_stream_p, "directory-stream?", 1, 0, 0, | |
1649 | (SCM obj), | |
1650 | "Return a boolean indicating whether @var{object} is a directory\n" | |
1651 | "stream as returned by @code{opendir}.") | |
1652 | #define FUNC_NAME s_scm_directory_stream_p | |
1653 | { | |
1654 | return scm_from_bool (SCM_DIRP (obj)); | |
1655 | } | |
1656 | #undef FUNC_NAME | |
1657 | ||
1658 | ||
1659 | SCM_DEFINE (scm_opendir, "opendir", 1, 0, 0, | |
1660 | (SCM dirname), | |
1661 | "Open the directory specified by @var{path} and return a directory\n" | |
1662 | "stream.") | |
1663 | #define FUNC_NAME s_scm_opendir | |
1664 | { | |
1665 | DIR *ds; | |
1666 | STRING_SYSCALL (dirname, c_dirname, ds = opendir (c_dirname)); | |
1667 | if (ds == NULL) | |
1668 | SCM_SYSERROR; | |
1669 | SCM_RETURN_NEWSMOB (scm_tc16_dir | (SCM_DIR_FLAG_OPEN<<16), ds); | |
1670 | } | |
1671 | #undef FUNC_NAME | |
1672 | ||
1673 | ||
1674 | /* FIXME: The glibc manual has a portability note that readdir_r may not | |
1675 | null-terminate its return string. The circumstances outlined for this | |
1676 | are not clear, nor is it clear what should be done about it. Lets use | |
1677 | NAMLEN and worry about what else should be done if/when someone can | |
1678 | figure it out. */ | |
1679 | ||
1680 | SCM_DEFINE (scm_readdir, "readdir", 1, 0, 0, | |
1681 | (SCM port), | |
1682 | "Return (as a string) the next directory entry from the directory stream\n" | |
1683 | "@var{stream}. If there is no remaining entry to be read then the\n" | |
1684 | "end of file object is returned.") | |
1685 | #define FUNC_NAME s_scm_readdir | |
1686 | { | |
1687 | struct dirent_or_dirent64 *rdent; | |
1688 | ||
1689 | SCM_VALIDATE_DIR (1, port); | |
1690 | if (!SCM_DIR_OPEN_P (port)) | |
1691 | SCM_MISC_ERROR ("Directory ~S is not open.", scm_list_1 (port)); | |
1692 | ||
1693 | #if HAVE_READDIR_R | |
1694 | /* As noted in the glibc manual, on various systems (such as Solaris) the | |
1695 | d_name[] field is only 1 char and you're expected to size the dirent | |
1696 | buffer for readdir_r based on NAME_MAX. The SCM_MAX expressions below | |
1697 | effectively give either sizeof(d_name) or NAME_MAX+1, whichever is | |
1698 | bigger. | |
1699 | ||
1700 | On solaris 10 there's no NAME_MAX constant, it's necessary to use | |
1701 | pathconf(). We prefer NAME_MAX though, since it should be a constant | |
1702 | and will therefore save a system call. We also prefer it since dirfd() | |
1703 | is not available everywhere. | |
1704 | ||
1705 | An alternative to dirfd() would be to open() the directory and then use | |
1706 | fdopendir(), if the latter is available. That'd let us hold the fd | |
1707 | somewhere in the smob, or just the dirent size calculated once. */ | |
1708 | { | |
1709 | struct dirent_or_dirent64 de; /* just for sizeof */ | |
1710 | DIR *ds = (DIR *) SCM_SMOB_DATA_1 (port); | |
1711 | #ifdef NAME_MAX | |
1712 | char buf [SCM_MAX (sizeof (de), | |
1713 | sizeof (de) - sizeof (de.d_name) + NAME_MAX + 1)]; | |
1714 | #else | |
1715 | char *buf; | |
1716 | long name_max = fpathconf (dirfd (ds), _PC_NAME_MAX); | |
1717 | if (name_max == -1) | |
1718 | SCM_SYSERROR; | |
1719 | buf = alloca (SCM_MAX (sizeof (de), | |
1720 | sizeof (de) - sizeof (de.d_name) + name_max + 1)); | |
1721 | #endif | |
1722 | ||
1723 | errno = 0; | |
1724 | SCM_SYSCALL (readdir_r_or_readdir64_r (ds, (struct dirent_or_dirent64 *) buf, &rdent)); | |
1725 | if (errno != 0) | |
1726 | SCM_SYSERROR; | |
1727 | if (! rdent) | |
1728 | return SCM_EOF_VAL; | |
1729 | ||
1730 | return (rdent ? scm_from_locale_stringn (rdent->d_name, NAMLEN (rdent)) | |
1731 | : SCM_EOF_VAL); | |
1732 | } | |
1733 | #else | |
1734 | { | |
1735 | SCM ret; | |
1736 | scm_dynwind_begin (0); | |
1737 | scm_i_dynwind_pthread_mutex_lock (&scm_i_misc_mutex); | |
1738 | ||
1739 | errno = 0; | |
1740 | SCM_SYSCALL (rdent = readdir_or_readdir64 ((DIR *) SCM_SMOB_DATA_1 (port))); | |
1741 | if (errno != 0) | |
1742 | SCM_SYSERROR; | |
1743 | ||
1744 | ret = (rdent ? scm_from_locale_stringn (rdent->d_name, NAMLEN (rdent)) | |
1745 | : SCM_EOF_VAL); | |
1746 | ||
1747 | scm_dynwind_end (); | |
1748 | return ret; | |
1749 | } | |
1750 | #endif | |
1751 | } | |
1752 | #undef FUNC_NAME | |
1753 | ||
1754 | ||
1755 | SCM_DEFINE (scm_rewinddir, "rewinddir", 1, 0, 0, | |
1756 | (SCM port), | |
1757 | "Reset the directory port @var{stream} so that the next call to\n" | |
1758 | "@code{readdir} will return the first directory entry.") | |
1759 | #define FUNC_NAME s_scm_rewinddir | |
1760 | { | |
1761 | SCM_VALIDATE_DIR (1, port); | |
1762 | if (!SCM_DIR_OPEN_P (port)) | |
1763 | SCM_MISC_ERROR ("Directory ~S is not open.", scm_list_1 (port)); | |
1764 | ||
1765 | rewinddir ((DIR *) SCM_SMOB_DATA_1 (port)); | |
1766 | ||
1767 | return SCM_UNSPECIFIED; | |
1768 | } | |
1769 | #undef FUNC_NAME | |
1770 | ||
1771 | ||
1772 | SCM_DEFINE (scm_closedir, "closedir", 1, 0, 0, | |
1773 | (SCM port), | |
1774 | "Close the directory stream @var{stream}.\n" | |
1775 | "The return value is unspecified.") | |
1776 | #define FUNC_NAME s_scm_closedir | |
1777 | { | |
1778 | SCM_VALIDATE_DIR (1, port); | |
1779 | ||
1780 | if (SCM_DIR_OPEN_P (port)) | |
1781 | { | |
1782 | int sts; | |
1783 | ||
1784 | SCM_SYSCALL (sts = closedir ((DIR *) SCM_SMOB_DATA_1 (port))); | |
1785 | if (sts != 0) | |
1786 | SCM_SYSERROR; | |
1787 | ||
1788 | SCM_SET_SMOB_DATA_0 (port, scm_tc16_dir); | |
1789 | } | |
1790 | ||
1791 | return SCM_UNSPECIFIED; | |
1792 | } | |
1793 | #undef FUNC_NAME | |
1794 | ||
1795 | ||
1fa54298 | 1796 | #ifdef HAVE_POSIX |
d0476fa2 LC |
1797 | static int |
1798 | scm_dir_print (SCM exp, SCM port, scm_print_state *pstate SCM_UNUSED) | |
1799 | { | |
0607ebbf | 1800 | scm_puts_unlocked ("#<", port); |
d0476fa2 | 1801 | if (!SCM_DIR_OPEN_P (exp)) |
0607ebbf AW |
1802 | scm_puts_unlocked ("closed: ", port); |
1803 | scm_puts_unlocked ("directory stream ", port); | |
d0476fa2 | 1804 | scm_uintprint (SCM_SMOB_DATA_1 (exp), 16, port); |
0607ebbf | 1805 | scm_putc_unlocked ('>', port); |
d0476fa2 LC |
1806 | return 1; |
1807 | } | |
1808 | ||
1809 | ||
1810 | static size_t | |
1811 | scm_dir_free (SCM p) | |
1812 | { | |
1813 | if (SCM_DIR_OPEN_P (p)) | |
1814 | closedir ((DIR *) SCM_SMOB_DATA_1 (p)); | |
1815 | return 0; | |
1816 | } | |
1fa54298 | 1817 | #endif |
6a738a25 JB |
1818 | |
1819 | \f | |
1cc91f1b | 1820 | |
0f2d19dd JB |
1821 | void |
1822 | scm_init_filesys () | |
0f2d19dd | 1823 | { |
073167ef | 1824 | #ifdef HAVE_POSIX |
e841c3e0 KN |
1825 | scm_tc16_dir = scm_make_smob_type ("directory", 0); |
1826 | scm_set_smob_free (scm_tc16_dir, scm_dir_free); | |
1827 | scm_set_smob_print (scm_tc16_dir, scm_dir_print); | |
0f2d19dd | 1828 | |
3d8d56df | 1829 | #ifdef O_RDONLY |
23d72566 | 1830 | scm_c_define ("O_RDONLY", scm_from_int (O_RDONLY)); |
3d8d56df GH |
1831 | #endif |
1832 | #ifdef O_WRONLY | |
23d72566 | 1833 | scm_c_define ("O_WRONLY", scm_from_int (O_WRONLY)); |
3d8d56df GH |
1834 | #endif |
1835 | #ifdef O_RDWR | |
23d72566 | 1836 | scm_c_define ("O_RDWR", scm_from_int (O_RDWR)); |
3d8d56df GH |
1837 | #endif |
1838 | #ifdef O_CREAT | |
23d72566 | 1839 | scm_c_define ("O_CREAT", scm_from_int (O_CREAT)); |
3d8d56df GH |
1840 | #endif |
1841 | #ifdef O_EXCL | |
23d72566 | 1842 | scm_c_define ("O_EXCL", scm_from_int (O_EXCL)); |
3d8d56df GH |
1843 | #endif |
1844 | #ifdef O_NOCTTY | |
23d72566 | 1845 | scm_c_define ("O_NOCTTY", scm_from_int (O_NOCTTY)); |
3d8d56df GH |
1846 | #endif |
1847 | #ifdef O_TRUNC | |
23d72566 | 1848 | scm_c_define ("O_TRUNC", scm_from_int (O_TRUNC)); |
3d8d56df GH |
1849 | #endif |
1850 | #ifdef O_APPEND | |
23d72566 | 1851 | scm_c_define ("O_APPEND", scm_from_int (O_APPEND)); |
3d8d56df | 1852 | #endif |
6afcd3b2 | 1853 | #ifdef O_NONBLOCK |
23d72566 | 1854 | scm_c_define ("O_NONBLOCK", scm_from_int (O_NONBLOCK)); |
3d8d56df GH |
1855 | #endif |
1856 | #ifdef O_NDELAY | |
23d72566 | 1857 | scm_c_define ("O_NDELAY", scm_from_int (O_NDELAY)); |
3d8d56df GH |
1858 | #endif |
1859 | #ifdef O_SYNC | |
23d72566 | 1860 | scm_c_define ("O_SYNC", scm_from_int (O_SYNC)); |
3d8d56df | 1861 | #endif |
23f2b9a3 | 1862 | #ifdef O_LARGEFILE |
23d72566 | 1863 | scm_c_define ("O_LARGEFILE", scm_from_int (O_LARGEFILE)); |
3565df45 LC |
1864 | #endif |
1865 | #ifdef O_NOTRANS | |
1866 | scm_c_define ("O_NOTRANS", scm_from_int (O_NOTRANS)); | |
1867 | #endif | |
3d8d56df | 1868 | |
4c1feaa5 | 1869 | #ifdef F_DUPFD |
23d72566 | 1870 | scm_c_define ("F_DUPFD", scm_from_int (F_DUPFD)); |
4c1feaa5 JB |
1871 | #endif |
1872 | #ifdef F_GETFD | |
23d72566 | 1873 | scm_c_define ("F_GETFD", scm_from_int (F_GETFD)); |
4c1feaa5 JB |
1874 | #endif |
1875 | #ifdef F_SETFD | |
23d72566 | 1876 | scm_c_define ("F_SETFD", scm_from_int (F_SETFD)); |
4c1feaa5 JB |
1877 | #endif |
1878 | #ifdef F_GETFL | |
23d72566 | 1879 | scm_c_define ("F_GETFL", scm_from_int (F_GETFL)); |
4c1feaa5 JB |
1880 | #endif |
1881 | #ifdef F_SETFL | |
23d72566 | 1882 | scm_c_define ("F_SETFL", scm_from_int (F_SETFL)); |
4c1feaa5 JB |
1883 | #endif |
1884 | #ifdef F_GETOWN | |
23d72566 | 1885 | scm_c_define ("F_GETOWN", scm_from_int (F_GETOWN)); |
4c1feaa5 JB |
1886 | #endif |
1887 | #ifdef F_SETOWN | |
23d72566 | 1888 | scm_c_define ("F_SETOWN", scm_from_int (F_SETOWN)); |
4c1feaa5 JB |
1889 | #endif |
1890 | #ifdef FD_CLOEXEC | |
23d72566 | 1891 | scm_c_define ("FD_CLOEXEC", scm_from_int (FD_CLOEXEC)); |
bd9e24b3 | 1892 | #endif |
073167ef LC |
1893 | #endif /* HAVE_POSIX */ |
1894 | ||
1895 | /* `access' symbols. */ | |
1896 | scm_c_define ("R_OK", scm_from_int (R_OK)); | |
1897 | scm_c_define ("W_OK", scm_from_int (W_OK)); | |
1898 | scm_c_define ("X_OK", scm_from_int (X_OK)); | |
1899 | scm_c_define ("F_OK", scm_from_int (F_OK)); | |
1900 | ||
1901 | scm_dot_string = scm_from_locale_string ("."); | |
3d8d56df | 1902 | |
a0599745 | 1903 | #include "libguile/filesys.x" |
0f2d19dd | 1904 | } |
89e00824 ML |
1905 | |
1906 | /* | |
1907 | Local Variables: | |
1908 | c-file-style: "gnu" | |
1909 | End: | |
1910 | */ |