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 | ||
e0c73a1c MV |
100 | #if defined (__MINGW32__) || defined (_MSC_VER) || defined (__BORLANDC__) |
101 | # include "win32-dirent.h" | |
102 | # define NAMLEN(dirent) strlen((dirent)->d_name) | |
2b829bbb | 103 | /* The following bits are per AC_HEADER_DIRENT doco in the autoconf manual */ |
e0c73a1c | 104 | #elif HAVE_DIRENT_H |
0f2d19dd JB |
105 | # include <dirent.h> |
106 | # define NAMLEN(dirent) strlen((dirent)->d_name) | |
107 | #else | |
108 | # define dirent direct | |
109 | # define NAMLEN(dirent) (dirent)->d_namlen | |
110 | # if HAVE_SYS_NDIR_H | |
111 | # include <sys/ndir.h> | |
112 | # endif | |
113 | # if HAVE_SYS_DIR_H | |
114 | # include <sys/dir.h> | |
115 | # endif | |
116 | # if HAVE_NDIR_H | |
117 | # include <ndir.h> | |
118 | # endif | |
119 | #endif | |
120 | ||
82893676 MG |
121 | /* Some more definitions for the native Windows port. */ |
122 | #ifdef __MINGW32__ | |
123 | # define mkdir(path, mode) mkdir (path) | |
124 | # define fsync(fd) _commit (fd) | |
125 | # define fchmod(fd, mode) (-1) | |
126 | #endif /* __MINGW32__ */ | |
2b829bbb | 127 | |
8ab3d8a0 KR |
128 | /* dirfd() returns the file descriptor underlying a "DIR*" directory stream. |
129 | Found on MacOS X for instance. The following definition is for Solaris | |
130 | 10, it's probably not right elsewhere, but that's ok, it shouldn't be | |
131 | used elsewhere. Crib note: If we need more then gnulib has a dirfd.m4 | |
132 | figuring out how to get the fd (dirfd function, dirfd macro, dd_fd field, | |
133 | or d_fd field). */ | |
134 | #ifndef dirfd | |
135 | #define dirfd(dirstream) ((dirstream)->dd_fd) | |
2b829bbb KR |
136 | #endif |
137 | ||
0f2d19dd JB |
138 | \f |
139 | ||
1299a0f1 MV |
140 | /* Two helper macros for an often used pattern */ |
141 | ||
142 | #define STRING_SYSCALL(str,cstr,code) \ | |
143 | do { \ | |
144 | int eno; \ | |
145 | char *cstr = scm_to_locale_string (str); \ | |
146 | SCM_SYSCALL (code); \ | |
147 | eno = errno; free (cstr); errno = eno; \ | |
148 | } while (0) | |
149 | ||
150 | #define STRING2_SYSCALL(str1,cstr1,str2,cstr2,code) \ | |
151 | do { \ | |
152 | int eno; \ | |
153 | char *cstr1, *cstr2; \ | |
661ae7ab | 154 | scm_dynwind_begin (0); \ |
1299a0f1 | 155 | cstr1 = scm_to_locale_string (str1); \ |
661ae7ab | 156 | scm_dynwind_free (cstr1); \ |
1299a0f1 | 157 | cstr2 = scm_to_locale_string (str2); \ |
661ae7ab | 158 | scm_dynwind_free (cstr2); \ |
1299a0f1 | 159 | SCM_SYSCALL (code); \ |
661ae7ab | 160 | eno = errno; scm_dynwind_end (); errno = eno; \ |
1299a0f1 | 161 | } while (0) |
0f2d19dd JB |
162 | |
163 | \f | |
164 | ||
073167ef LC |
165 | #ifdef HAVE_POSIX |
166 | ||
0f2d19dd JB |
167 | /* {Permissions} |
168 | */ | |
169 | ||
82893676 | 170 | #ifdef HAVE_CHOWN |
a1ec6916 | 171 | SCM_DEFINE (scm_chown, "chown", 3, 0, 0, |
1bbd0b84 | 172 | (SCM object, SCM owner, SCM group), |
d831b039 GH |
173 | "Change the ownership and group of the file referred to by @var{object} to\n" |
174 | "the integer values @var{owner} and @var{group}. @var{object} can be\n" | |
175 | "a string containing a file name or, if the platform\n" | |
176 | "supports fchown, a port or integer file descriptor\n" | |
177 | "which is open on the file. The return value\n" | |
d3818c29 | 178 | "is unspecified.\n\n" |
d831b039 | 179 | "If @var{object} is a symbolic link, either the\n" |
d3818c29 MD |
180 | "ownership of the link or the ownership of the referenced file will be\n" |
181 | "changed depending on the operating system (lchown is\n" | |
182 | "unsupported at present). If @var{owner} or @var{group} is specified\n" | |
183 | "as @code{-1}, then that ID is not changed.") | |
1bbd0b84 | 184 | #define FUNC_NAME s_scm_chown |
0f2d19dd | 185 | { |
6afcd3b2 | 186 | int rv; |
02b754d3 | 187 | |
78446828 MV |
188 | object = SCM_COERCE_OUTPORT (object); |
189 | ||
d831b039 | 190 | #ifdef HAVE_FCHOWN |
a55c2b68 | 191 | if (scm_is_integer (object) || (SCM_OPFPORTP (object))) |
6afcd3b2 | 192 | { |
a55c2b68 MV |
193 | int fdes = (SCM_OPFPORTP (object)? |
194 | SCM_FPORT_FDES (object) : scm_to_int (object)); | |
d831b039 | 195 | |
a55c2b68 | 196 | SCM_SYSCALL (rv = fchown (fdes, scm_to_int (owner), scm_to_int (group))); |
6afcd3b2 GH |
197 | } |
198 | else | |
d831b039 | 199 | #endif |
6afcd3b2 | 200 | { |
1299a0f1 MV |
201 | STRING_SYSCALL (object, c_object, |
202 | rv = chown (c_object, | |
203 | scm_to_int (owner), scm_to_int (group))); | |
6afcd3b2 GH |
204 | } |
205 | if (rv == -1) | |
1bbd0b84 | 206 | SCM_SYSERROR; |
02b754d3 | 207 | return SCM_UNSPECIFIED; |
0f2d19dd | 208 | } |
1bbd0b84 | 209 | #undef FUNC_NAME |
82893676 | 210 | #endif /* HAVE_CHOWN */ |
0f2d19dd | 211 | |
0f2d19dd | 212 | \f |
0f2d19dd | 213 | |
a1ec6916 | 214 | SCM_DEFINE (scm_open_fdes, "open-fdes", 2, 1, 0, |
1bbd0b84 | 215 | (SCM path, SCM flags, SCM mode), |
1e6808ea MG |
216 | "Similar to @code{open} but return a file descriptor instead of\n" |
217 | "a port.") | |
1bbd0b84 | 218 | #define FUNC_NAME s_scm_open_fdes |
0f2d19dd JB |
219 | { |
220 | int fd; | |
3d8d56df | 221 | int iflags; |
6afcd3b2 | 222 | int imode; |
0f2d19dd | 223 | |
1be6b49c ML |
224 | iflags = SCM_NUM2INT (2, flags); |
225 | imode = SCM_NUM2INT_DEF (3, mode, 0666); | |
23f2b9a3 | 226 | STRING_SYSCALL (path, c_path, fd = open_or_open64 (c_path, iflags, imode)); |
3d8d56df | 227 | if (fd == -1) |
1bbd0b84 | 228 | SCM_SYSERROR; |
e11e83f3 | 229 | return scm_from_int (fd); |
6afcd3b2 | 230 | } |
1bbd0b84 | 231 | #undef FUNC_NAME |
6afcd3b2 | 232 | |
a1ec6916 | 233 | SCM_DEFINE (scm_open, "open", 2, 1, 0, |
1bbd0b84 | 234 | (SCM path, SCM flags, SCM mode), |
d3818c29 MD |
235 | "Open the file named by @var{path} for reading and/or writing.\n" |
236 | "@var{flags} is an integer specifying how the file should be opened.\n" | |
237 | "@var{mode} is an integer specifying the permission bits of the file, if\n" | |
238 | "it needs to be created, before the umask is applied. The default is 666\n" | |
239 | "(Unix itself has no default).\n\n" | |
240 | "@var{flags} can be constructed by combining variables using @code{logior}.\n" | |
241 | "Basic flags are:\n\n" | |
242 | "@defvar O_RDONLY\n" | |
243 | "Open the file read-only.\n" | |
244 | "@end defvar\n" | |
245 | "@defvar O_WRONLY\n" | |
9401323e | 246 | "Open the file write-only.\n" |
d3818c29 MD |
247 | "@end defvar\n" |
248 | "@defvar O_RDWR\n" | |
249 | "Open the file read/write.\n" | |
250 | "@end defvar\n" | |
251 | "@defvar O_APPEND\n" | |
252 | "Append to the file instead of truncating.\n" | |
253 | "@end defvar\n" | |
254 | "@defvar O_CREAT\n" | |
255 | "Create the file if it does not already exist.\n" | |
256 | "@end defvar\n\n" | |
257 | "See the Unix documentation of the @code{open} system call\n" | |
258 | "for additional flags.") | |
1bbd0b84 | 259 | #define FUNC_NAME s_scm_open |
6afcd3b2 GH |
260 | { |
261 | SCM newpt; | |
262 | char *port_mode; | |
263 | int fd; | |
6afcd3b2 GH |
264 | int iflags; |
265 | ||
e11e83f3 | 266 | fd = scm_to_int (scm_open_fdes (path, flags, mode)); |
1be6b49c | 267 | iflags = SCM_NUM2INT (2, flags); |
3d8d56df | 268 | if (iflags & O_RDWR) |
77a76b64 JB |
269 | { |
270 | if (iflags & O_APPEND) | |
271 | port_mode = "a+"; | |
272 | else if (iflags & O_CREAT) | |
273 | port_mode = "w+"; | |
274 | else | |
275 | port_mode = "r+"; | |
276 | } | |
3d8d56df | 277 | else { |
77a76b64 JB |
278 | if (iflags & O_APPEND) |
279 | port_mode = "a"; | |
280 | else if (iflags & O_WRONLY) | |
3d8d56df GH |
281 | port_mode = "w"; |
282 | else | |
283 | port_mode = "r"; | |
284 | } | |
77a76b64 | 285 | newpt = scm_fdes_to_port (fd, port_mode, path); |
3d8d56df | 286 | return newpt; |
0f2d19dd | 287 | } |
1bbd0b84 | 288 | #undef FUNC_NAME |
0f2d19dd | 289 | |
a1ec6916 | 290 | SCM_DEFINE (scm_close, "close", 1, 0, 0, |
1bbd0b84 | 291 | (SCM fd_or_port), |
8f85c0c6 | 292 | "Similar to close-port (@pxref{Closing, close-port}),\n" |
d3818c29 MD |
293 | "but also works on file descriptors. A side\n" |
294 | "effect of closing a file descriptor is that any ports using that file\n" | |
295 | "descriptor are moved to a different file descriptor and have\n" | |
296 | "their revealed counts set to zero.") | |
1bbd0b84 | 297 | #define FUNC_NAME s_scm_close |
eadd48de GH |
298 | { |
299 | int rv; | |
300 | int fd; | |
301 | ||
78446828 MV |
302 | fd_or_port = SCM_COERCE_OUTPORT (fd_or_port); |
303 | ||
0c95b57d | 304 | if (SCM_PORTP (fd_or_port)) |
eadd48de | 305 | return scm_close_port (fd_or_port); |
a55c2b68 | 306 | fd = scm_to_int (fd_or_port); |
eadd48de | 307 | scm_evict_ports (fd); /* see scsh manual. */ |
a9488d12 | 308 | SCM_SYSCALL (rv = close (fd)); |
eadd48de GH |
309 | /* following scsh, closing an already closed file descriptor is |
310 | not an error. */ | |
311 | if (rv < 0 && errno != EBADF) | |
1bbd0b84 | 312 | SCM_SYSERROR; |
7888309b | 313 | return scm_from_bool (rv >= 0); |
eadd48de | 314 | } |
1bbd0b84 | 315 | #undef FUNC_NAME |
eadd48de | 316 | |
c2ca4493 GH |
317 | SCM_DEFINE (scm_close_fdes, "close-fdes", 1, 0, 0, |
318 | (SCM fd), | |
319 | "A simple wrapper for the @code{close} system call.\n" | |
320 | "Close file descriptor @var{fd}, which must be an integer.\n" | |
321 | "Unlike close (@pxref{Ports and File Descriptors, close}),\n" | |
322 | "the file descriptor will be closed even if a port is using it.\n" | |
323 | "The return value is unspecified.") | |
324 | #define FUNC_NAME s_scm_close_fdes | |
325 | { | |
326 | int c_fd; | |
327 | int rv; | |
328 | ||
a55c2b68 | 329 | c_fd = scm_to_int (fd); |
c2ca4493 GH |
330 | SCM_SYSCALL (rv = close (c_fd)); |
331 | if (rv < 0) | |
332 | SCM_SYSERROR; | |
333 | return SCM_UNSPECIFIED; | |
334 | } | |
335 | #undef FUNC_NAME | |
336 | ||
073167ef LC |
337 | #endif /* HAVE_POSIX */ |
338 | ||
0f2d19dd JB |
339 | \f |
340 | /* {Files} | |
341 | */ | |
1cc91f1b | 342 | |
ae5253c5 GH |
343 | SCM_SYMBOL (scm_sym_regular, "regular"); |
344 | SCM_SYMBOL (scm_sym_directory, "directory"); | |
23f2b9a3 | 345 | #ifdef S_ISLNK |
ae5253c5 | 346 | SCM_SYMBOL (scm_sym_symlink, "symlink"); |
f326ecf3 | 347 | #endif |
ae5253c5 GH |
348 | SCM_SYMBOL (scm_sym_block_special, "block-special"); |
349 | SCM_SYMBOL (scm_sym_char_special, "char-special"); | |
350 | SCM_SYMBOL (scm_sym_fifo, "fifo"); | |
351 | SCM_SYMBOL (scm_sym_sock, "socket"); | |
352 | SCM_SYMBOL (scm_sym_unknown, "unknown"); | |
353 | ||
0f2d19dd | 354 | static SCM |
2b829bbb | 355 | scm_stat2scm (struct stat_or_stat64 *stat_temp) |
0f2d19dd | 356 | { |
06bfe276 | 357 | SCM ans = scm_c_make_vector (18, SCM_UNSPECIFIED); |
ae5253c5 | 358 | |
4057a3e0 | 359 | SCM_SIMPLE_VECTOR_SET(ans, 0, scm_from_ulong (stat_temp->st_dev)); |
2b829bbb | 360 | SCM_SIMPLE_VECTOR_SET(ans, 1, scm_from_ino_t_or_ino64_t (stat_temp->st_ino)); |
4057a3e0 MV |
361 | SCM_SIMPLE_VECTOR_SET(ans, 2, scm_from_ulong (stat_temp->st_mode)); |
362 | SCM_SIMPLE_VECTOR_SET(ans, 3, scm_from_ulong (stat_temp->st_nlink)); | |
363 | SCM_SIMPLE_VECTOR_SET(ans, 4, scm_from_ulong (stat_temp->st_uid)); | |
364 | SCM_SIMPLE_VECTOR_SET(ans, 5, scm_from_ulong (stat_temp->st_gid)); | |
1fd85bc5 | 365 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
4057a3e0 | 366 | SCM_SIMPLE_VECTOR_SET(ans, 6, scm_from_ulong (stat_temp->st_rdev)); |
0f2d19dd | 367 | #else |
4057a3e0 | 368 | SCM_SIMPLE_VECTOR_SET(ans, 6, SCM_BOOL_F); |
0f2d19dd | 369 | #endif |
2b829bbb | 370 | SCM_SIMPLE_VECTOR_SET(ans, 7, scm_from_off_t_or_off64_t (stat_temp->st_size)); |
4057a3e0 MV |
371 | SCM_SIMPLE_VECTOR_SET(ans, 8, scm_from_ulong (stat_temp->st_atime)); |
372 | SCM_SIMPLE_VECTOR_SET(ans, 9, scm_from_ulong (stat_temp->st_mtime)); | |
373 | SCM_SIMPLE_VECTOR_SET(ans, 10, scm_from_ulong (stat_temp->st_ctime)); | |
1fd85bc5 | 374 | #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE |
4057a3e0 | 375 | SCM_SIMPLE_VECTOR_SET(ans, 11, scm_from_ulong (stat_temp->st_blksize)); |
0f2d19dd | 376 | #else |
4057a3e0 | 377 | SCM_SIMPLE_VECTOR_SET(ans, 11, scm_from_ulong (4096L)); |
0f2d19dd | 378 | #endif |
1fd85bc5 | 379 | #ifdef HAVE_STRUCT_STAT_ST_BLOCKS |
2b829bbb | 380 | SCM_SIMPLE_VECTOR_SET(ans, 12, scm_from_blkcnt_t_or_blkcnt64_t (stat_temp->st_blocks)); |
0f2d19dd | 381 | #else |
4057a3e0 | 382 | SCM_SIMPLE_VECTOR_SET(ans, 12, SCM_BOOL_F); |
0f2d19dd | 383 | #endif |
ae5253c5 GH |
384 | { |
385 | int mode = stat_temp->st_mode; | |
386 | ||
387 | if (S_ISREG (mode)) | |
4057a3e0 | 388 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_regular); |
ae5253c5 | 389 | else if (S_ISDIR (mode)) |
4057a3e0 | 390 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_directory); |
23f2b9a3 KR |
391 | #ifdef S_ISLNK |
392 | /* systems without symlinks probably don't have S_ISLNK */ | |
ae5253c5 | 393 | else if (S_ISLNK (mode)) |
4057a3e0 | 394 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_symlink); |
f326ecf3 | 395 | #endif |
ae5253c5 | 396 | else if (S_ISBLK (mode)) |
4057a3e0 | 397 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_block_special); |
ae5253c5 | 398 | else if (S_ISCHR (mode)) |
4057a3e0 | 399 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_char_special); |
ae5253c5 | 400 | else if (S_ISFIFO (mode)) |
4057a3e0 | 401 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_fifo); |
e655d034 | 402 | #ifdef S_ISSOCK |
ae5253c5 | 403 | else if (S_ISSOCK (mode)) |
4057a3e0 | 404 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_sock); |
e655d034 | 405 | #endif |
ae5253c5 | 406 | else |
4057a3e0 | 407 | SCM_SIMPLE_VECTOR_SET(ans, 13, scm_sym_unknown); |
ae5253c5 | 408 | |
4057a3e0 | 409 | SCM_SIMPLE_VECTOR_SET(ans, 14, scm_from_int ((~S_IFMT) & mode)); |
ae5253c5 GH |
410 | |
411 | /* the layout of the bits in ve[14] is intended to be portable. | |
412 | If there are systems that don't follow the usual convention, | |
413 | the following could be used: | |
414 | ||
415 | tmp = 0; | |
416 | if (S_ISUID & mode) tmp += 1; | |
417 | tmp <<= 1; | |
418 | if (S_IRGRP & mode) tmp += 1; | |
419 | tmp <<= 1; | |
420 | if (S_ISVTX & mode) tmp += 1; | |
421 | tmp <<= 1; | |
422 | if (S_IRUSR & mode) tmp += 1; | |
423 | tmp <<= 1; | |
424 | if (S_IWUSR & mode) tmp += 1; | |
425 | tmp <<= 1; | |
426 | if (S_IXUSR & mode) tmp += 1; | |
427 | tmp <<= 1; | |
428 | if (S_IWGRP & mode) tmp += 1; | |
429 | tmp <<= 1; | |
430 | if (S_IXGRP & mode) tmp += 1; | |
431 | tmp <<= 1; | |
432 | if (S_IROTH & mode) tmp += 1; | |
433 | tmp <<= 1; | |
434 | if (S_IWOTH & mode) tmp += 1; | |
435 | tmp <<= 1; | |
436 | if (S_IXOTH & mode) tmp += 1; | |
437 | ||
4057a3e0 | 438 | SCM_SIMPLE_VECTOR_SET(ans, 14, scm_from_int (tmp)); |
ae5253c5 GH |
439 | |
440 | */ | |
441 | } | |
06bfe276 AW |
442 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
443 | SCM_SIMPLE_VECTOR_SET(ans, 15, scm_from_long (stat_temp->st_atim.tv_nsec)); | |
444 | #else | |
445 | SCM_SIMPLE_VECTOR_SET(ans, 15, SCM_I_MAKINUM (0)); | |
446 | #endif | |
447 | #ifdef HAVE_STRUCT_STAT_ST_MTIM | |
448 | SCM_SIMPLE_VECTOR_SET(ans, 16, scm_from_long (stat_temp->st_mtim.tv_nsec)); | |
449 | #else | |
450 | SCM_SIMPLE_VECTOR_SET(ans, 16, SCM_I_MAKINUM (0)); | |
451 | #endif | |
452 | #ifdef HAVE_STRUCT_STAT_ST_CTIM | |
453 | SCM_SIMPLE_VECTOR_SET(ans, 17, scm_from_ulong (stat_temp->st_ctim.tv_sec)); | |
454 | #else | |
455 | SCM_SIMPLE_VECTOR_SET(ans, 17, SCM_I_MAKINUM (0)); | |
456 | #endif | |
0f2d19dd JB |
457 | |
458 | return ans; | |
459 | } | |
460 | ||
e0c73a1c MV |
461 | #ifdef __MINGW32__ |
462 | /* | |
463 | * Try getting the appropiate stat buffer for a given file descriptor | |
464 | * under Windows. It differentiates between file, pipe and socket | |
465 | * descriptors. | |
466 | */ | |
467 | static int fstat_Win32 (int fdes, struct stat *buf) | |
468 | { | |
469 | int error, optlen = sizeof (int); | |
470 | ||
471 | memset (buf, 0, sizeof (struct stat)); | |
472 | ||
473 | /* Is this a socket ? */ | |
474 | if (getsockopt (fdes, SOL_SOCKET, SO_ERROR, (void *) &error, &optlen) >= 0) | |
475 | { | |
476 | buf->st_mode = _S_IFSOCK | _S_IREAD | _S_IWRITE | _S_IEXEC; | |
477 | buf->st_nlink = 1; | |
478 | buf->st_atime = buf->st_ctime = buf->st_mtime = time (NULL); | |
479 | return 0; | |
480 | } | |
481 | /* Maybe a regular file or pipe ? */ | |
482 | return fstat (fdes, buf); | |
483 | } | |
484 | #endif /* __MINGW32__ */ | |
485 | ||
fcb6f5ff AW |
486 | SCM_DEFINE (scm_stat, "stat", 1, 1, 0, |
487 | (SCM object, SCM exception_on_error), | |
1e6808ea MG |
488 | "Return an object containing various information about the file\n" |
489 | "determined by @var{obj}. @var{obj} can be a string containing\n" | |
490 | "a file name or a port or integer file descriptor which is open\n" | |
491 | "on a file (in which case @code{fstat} is used as the underlying\n" | |
492 | "system call).\n" | |
493 | "\n" | |
fcb6f5ff AW |
494 | "If the optional @var{exception_on_error} argument is true, which\n" |
495 | "is the default, an exception will be raised if the underlying\n" | |
496 | "system call returns an error, for example if the file is not\n" | |
497 | "found or is not readable. Otherwise, an error will cause\n" | |
498 | "@code{stat} to return @code{#f}." | |
499 | "\n" | |
500 | "The object returned by a successful call to @code{stat} can be\n" | |
501 | "passed as a single parameter to the following procedures, all of\n" | |
502 | "which return integers:\n" | |
1e6808ea | 503 | "\n" |
d3818c29 MD |
504 | "@table @code\n" |
505 | "@item stat:dev\n" | |
506 | "The device containing the file.\n" | |
507 | "@item stat:ino\n" | |
1e6808ea MG |
508 | "The file serial number, which distinguishes this file from all\n" |
509 | "other files on the same device.\n" | |
d3818c29 | 510 | "@item stat:mode\n" |
1e6808ea MG |
511 | "The mode of the file. This includes file type information and\n" |
512 | "the file permission bits. See @code{stat:type} and\n" | |
513 | "@code{stat:perms} below.\n" | |
d3818c29 MD |
514 | "@item stat:nlink\n" |
515 | "The number of hard links to the file.\n" | |
516 | "@item stat:uid\n" | |
517 | "The user ID of the file's owner.\n" | |
518 | "@item stat:gid\n" | |
519 | "The group ID of the file.\n" | |
520 | "@item stat:rdev\n" | |
521 | "Device ID; this entry is defined only for character or block\n" | |
522 | "special files.\n" | |
523 | "@item stat:size\n" | |
524 | "The size of a regular file in bytes.\n" | |
525 | "@item stat:atime\n" | |
526 | "The last access time for the file.\n" | |
527 | "@item stat:mtime\n" | |
528 | "The last modification time for the file.\n" | |
529 | "@item stat:ctime\n" | |
530 | "The last modification time for the attributes of the file.\n" | |
531 | "@item stat:blksize\n" | |
1e6808ea MG |
532 | "The optimal block size for reading or writing the file, in\n" |
533 | "bytes.\n" | |
d3818c29 | 534 | "@item stat:blocks\n" |
1e6808ea MG |
535 | "The amount of disk space that the file occupies measured in\n" |
536 | "units of 512 byte blocks.\n" | |
537 | "@end table\n" | |
538 | "\n" | |
d3818c29 | 539 | "In addition, the following procedures return the information\n" |
1e6808ea MG |
540 | "from stat:mode in a more convenient form:\n" |
541 | "\n" | |
d3818c29 MD |
542 | "@table @code\n" |
543 | "@item stat:type\n" | |
544 | "A symbol representing the type of file. Possible values are\n" | |
1e6808ea MG |
545 | "regular, directory, symlink, block-special, char-special, fifo,\n" |
546 | "socket and unknown\n" | |
d3818c29 MD |
547 | "@item stat:perms\n" |
548 | "An integer representing the access permission bits.\n" | |
549 | "@end table") | |
1bbd0b84 | 550 | #define FUNC_NAME s_scm_stat |
0f2d19dd | 551 | { |
6afcd3b2 GH |
552 | int rv; |
553 | int fdes; | |
2b829bbb | 554 | struct stat_or_stat64 stat_temp; |
0f2d19dd | 555 | |
e11e83f3 | 556 | if (scm_is_integer (object)) |
36284627 | 557 | { |
e0c73a1c | 558 | #ifdef __MINGW32__ |
e11e83f3 | 559 | SCM_SYSCALL (rv = fstat_Win32 (scm_to_int (object), &stat_temp)); |
e0c73a1c | 560 | #else |
2b829bbb | 561 | SCM_SYSCALL (rv = fstat_or_fstat64 (scm_to_int (object), &stat_temp)); |
e0c73a1c | 562 | #endif |
36284627 | 563 | } |
7f9994d9 | 564 | else if (scm_is_string (object)) |
36284627 | 565 | { |
7f9994d9 | 566 | char *file = scm_to_locale_string (object); |
e0c73a1c | 567 | #ifdef __MINGW32__ |
7f9994d9 | 568 | char *p; |
e0c73a1c MV |
569 | p = file + strlen (file) - 1; |
570 | while (p > file && (*p == '/' || *p == '\\')) | |
571 | *p-- = '\0'; | |
7f9994d9 | 572 | #endif |
2b829bbb | 573 | SCM_SYSCALL (rv = stat_or_stat64 (file, &stat_temp)); |
e0c73a1c | 574 | free (file); |
36284627 | 575 | } |
1ea47048 | 576 | else |
0f2d19dd | 577 | { |
36284627 DH |
578 | object = SCM_COERCE_OUTPORT (object); |
579 | SCM_VALIDATE_OPFPORT (1, object); | |
580 | fdes = SCM_FPORT_FDES (object); | |
e0c73a1c MV |
581 | #ifdef __MINGW32__ |
582 | SCM_SYSCALL (rv = fstat_Win32 (fdes, &stat_temp)); | |
583 | #else | |
2b829bbb | 584 | SCM_SYSCALL (rv = fstat_or_fstat64 (fdes, &stat_temp)); |
e0c73a1c | 585 | #endif |
6afcd3b2 | 586 | } |
36284627 | 587 | |
6afcd3b2 | 588 | if (rv == -1) |
3d8d56df | 589 | { |
fcb6f5ff AW |
590 | if (SCM_UNBNDP (exception_on_error) || scm_is_true (exception_on_error)) |
591 | { | |
592 | int en = errno; | |
593 | SCM_SYSERROR_MSG ("~A: ~S", | |
594 | scm_list_2 (scm_strerror (scm_from_int (en)), | |
595 | object), | |
596 | en); | |
597 | } | |
598 | else | |
599 | return SCM_BOOL_F; | |
3d8d56df | 600 | } |
02b754d3 | 601 | return scm_stat2scm (&stat_temp); |
0f2d19dd | 602 | } |
1bbd0b84 | 603 | #undef FUNC_NAME |
0f2d19dd | 604 | |
0f2d19dd | 605 | \f |
073167ef LC |
606 | #ifdef HAVE_POSIX |
607 | ||
0f2d19dd JB |
608 | /* {Modifying Directories} |
609 | */ | |
610 | ||
82893676 | 611 | #ifdef HAVE_LINK |
a1ec6916 | 612 | SCM_DEFINE (scm_link, "link", 2, 0, 0, |
1bbd0b84 | 613 | (SCM oldpath, SCM newpath), |
6d36532c GH |
614 | "Creates a new name @var{newpath} in the file system for the\n" |
615 | "file named by @var{oldpath}. If @var{oldpath} is a symbolic\n" | |
616 | "link, the link may or may not be followed depending on the\n" | |
617 | "system.") | |
1bbd0b84 | 618 | #define FUNC_NAME s_scm_link |
0f2d19dd JB |
619 | { |
620 | int val; | |
02b754d3 | 621 | |
1299a0f1 MV |
622 | STRING2_SYSCALL (oldpath, c_oldpath, |
623 | newpath, c_newpath, | |
624 | val = link (c_oldpath, c_newpath)); | |
02b754d3 | 625 | if (val != 0) |
1bbd0b84 | 626 | SCM_SYSERROR; |
02b754d3 | 627 | return SCM_UNSPECIFIED; |
0f2d19dd | 628 | } |
1bbd0b84 | 629 | #undef FUNC_NAME |
82893676 | 630 | #endif /* HAVE_LINK */ |
0f2d19dd | 631 | |
0f2d19dd | 632 | \f |
30ea841d | 633 | |
0f2d19dd JB |
634 | /* {Examining Directories} |
635 | */ | |
636 | ||
92c2555f | 637 | scm_t_bits scm_tc16_dir; |
0f2d19dd | 638 | |
30ea841d | 639 | |
a1ec6916 | 640 | SCM_DEFINE (scm_directory_stream_p, "directory-stream?", 1, 0, 0, |
1bbd0b84 | 641 | (SCM obj), |
1e6808ea MG |
642 | "Return a boolean indicating whether @var{object} is a directory\n" |
643 | "stream as returned by @code{opendir}.") | |
1bbd0b84 | 644 | #define FUNC_NAME s_scm_directory_stream_p |
77242ff9 | 645 | { |
7888309b | 646 | return scm_from_bool (SCM_DIRP (obj)); |
77242ff9 | 647 | } |
1bbd0b84 | 648 | #undef FUNC_NAME |
77242ff9 | 649 | |
30ea841d | 650 | |
a1ec6916 | 651 | SCM_DEFINE (scm_opendir, "opendir", 1, 0, 0, |
1bbd0b84 | 652 | (SCM dirname), |
d3818c29 MD |
653 | "Open the directory specified by @var{path} and return a directory\n" |
654 | "stream.") | |
1bbd0b84 | 655 | #define FUNC_NAME s_scm_opendir |
0f2d19dd JB |
656 | { |
657 | DIR *ds; | |
1299a0f1 | 658 | STRING_SYSCALL (dirname, c_dirname, ds = opendir (c_dirname)); |
02b754d3 | 659 | if (ds == NULL) |
1bbd0b84 | 660 | SCM_SYSERROR; |
b9ef8e66 | 661 | SCM_RETURN_NEWSMOB (scm_tc16_dir | (SCM_DIR_FLAG_OPEN<<16), ds); |
0f2d19dd | 662 | } |
1bbd0b84 | 663 | #undef FUNC_NAME |
0f2d19dd JB |
664 | |
665 | ||
9be808d8 KR |
666 | /* FIXME: The glibc manual has a portability note that readdir_r may not |
667 | null-terminate its return string. The circumstances outlined for this | |
2b829bbb KR |
668 | are not clear, nor is it clear what should be done about it. Lets use |
669 | NAMLEN and worry about what else should be done if/when someone can | |
670 | figure it out. */ | |
9be808d8 | 671 | |
a1ec6916 | 672 | SCM_DEFINE (scm_readdir, "readdir", 1, 0, 0, |
1bbd0b84 | 673 | (SCM port), |
d3818c29 MD |
674 | "Return (as a string) the next directory entry from the directory stream\n" |
675 | "@var{stream}. If there is no remaining entry to be read then the\n" | |
676 | "end of file object is returned.") | |
1bbd0b84 | 677 | #define FUNC_NAME s_scm_readdir |
0f2d19dd | 678 | { |
2b829bbb | 679 | struct dirent_or_dirent64 *rdent; |
30ea841d DH |
680 | |
681 | SCM_VALIDATE_DIR (1, port); | |
682 | if (!SCM_DIR_OPEN_P (port)) | |
1afff620 | 683 | SCM_MISC_ERROR ("Directory ~S is not open.", scm_list_1 (port)); |
30ea841d | 684 | |
9be808d8 | 685 | #if HAVE_READDIR_R |
2b829bbb KR |
686 | /* As noted in the glibc manual, on various systems (such as Solaris) the |
687 | d_name[] field is only 1 char and you're expected to size the dirent | |
688 | buffer for readdir_r based on NAME_MAX. The SCM_MAX expressions below | |
689 | effectively give either sizeof(d_name) or NAME_MAX+1, whichever is | |
690 | bigger. | |
691 | ||
692 | On solaris 10 there's no NAME_MAX constant, it's necessary to use | |
693 | pathconf(). We prefer NAME_MAX though, since it should be a constant | |
694 | and will therefore save a system call. We also prefer it since dirfd() | |
695 | is not available everywhere. | |
696 | ||
697 | An alternative to dirfd() would be to open() the directory and then use | |
698 | fdopendir(), if the latter is available. That'd let us hold the fd | |
699 | somewhere in the smob, or just the dirent size calculated once. */ | |
700 | { | |
701 | struct dirent_or_dirent64 de; /* just for sizeof */ | |
b9ef8e66 | 702 | DIR *ds = (DIR *) SCM_SMOB_DATA_1 (port); |
2b829bbb KR |
703 | #ifdef NAME_MAX |
704 | char buf [SCM_MAX (sizeof (de), | |
705 | sizeof (de) - sizeof (de.d_name) + NAME_MAX + 1)]; | |
9be808d8 | 706 | #else |
2b829bbb KR |
707 | char *buf; |
708 | long name_max = fpathconf (dirfd (ds), _PC_NAME_MAX); | |
709 | if (name_max == -1) | |
710 | SCM_SYSERROR; | |
711 | buf = alloca (SCM_MAX (sizeof (de), | |
712 | sizeof (de) - sizeof (de.d_name) + name_max + 1)); | |
9be808d8 | 713 | #endif |
2b829bbb KR |
714 | |
715 | errno = 0; | |
716 | SCM_SYSCALL (readdir_r_or_readdir64_r (ds, (struct dirent_or_dirent64 *) buf, &rdent)); | |
9be808d8 KR |
717 | if (errno != 0) |
718 | SCM_SYSERROR; | |
2b829bbb KR |
719 | if (! rdent) |
720 | return SCM_EOF_VAL; | |
721 | ||
cc95e00a | 722 | return (rdent ? scm_from_locale_stringn (rdent->d_name, NAMLEN (rdent)) |
9be808d8 KR |
723 | : SCM_EOF_VAL); |
724 | } | |
2b829bbb KR |
725 | #else |
726 | { | |
727 | SCM ret; | |
728 | scm_dynwind_begin (0); | |
729 | scm_i_dynwind_pthread_mutex_lock (&scm_i_misc_mutex); | |
730 | ||
731 | errno = 0; | |
b9ef8e66 | 732 | SCM_SYSCALL (rdent = readdir_or_readdir64 ((DIR *) SCM_SMOB_DATA_1 (port))); |
2b829bbb KR |
733 | if (errno != 0) |
734 | SCM_SYSERROR; | |
735 | ||
736 | ret = (rdent ? scm_from_locale_stringn (rdent->d_name, NAMLEN (rdent)) | |
737 | : SCM_EOF_VAL); | |
738 | ||
739 | scm_dynwind_end (); | |
740 | return ret; | |
741 | } | |
742 | #endif | |
0f2d19dd | 743 | } |
1bbd0b84 | 744 | #undef FUNC_NAME |
0f2d19dd JB |
745 | |
746 | ||
a1ec6916 | 747 | SCM_DEFINE (scm_rewinddir, "rewinddir", 1, 0, 0, |
1bbd0b84 | 748 | (SCM port), |
d3818c29 MD |
749 | "Reset the directory port @var{stream} so that the next call to\n" |
750 | "@code{readdir} will return the first directory entry.") | |
1bbd0b84 | 751 | #define FUNC_NAME s_scm_rewinddir |
0f2d19dd | 752 | { |
30ea841d DH |
753 | SCM_VALIDATE_DIR (1, port); |
754 | if (!SCM_DIR_OPEN_P (port)) | |
1afff620 | 755 | SCM_MISC_ERROR ("Directory ~S is not open.", scm_list_1 (port)); |
30ea841d | 756 | |
b9ef8e66 | 757 | rewinddir ((DIR *) SCM_SMOB_DATA_1 (port)); |
30ea841d | 758 | |
0f2d19dd JB |
759 | return SCM_UNSPECIFIED; |
760 | } | |
1bbd0b84 | 761 | #undef FUNC_NAME |
0f2d19dd JB |
762 | |
763 | ||
a1ec6916 | 764 | SCM_DEFINE (scm_closedir, "closedir", 1, 0, 0, |
1bbd0b84 | 765 | (SCM port), |
d3818c29 MD |
766 | "Close the directory stream @var{stream}.\n" |
767 | "The return value is unspecified.") | |
1bbd0b84 | 768 | #define FUNC_NAME s_scm_closedir |
0f2d19dd | 769 | { |
30ea841d | 770 | SCM_VALIDATE_DIR (1, port); |
02b754d3 | 771 | |
30ea841d | 772 | if (SCM_DIR_OPEN_P (port)) |
0f2d19dd | 773 | { |
30ea841d DH |
774 | int sts; |
775 | ||
b9ef8e66 | 776 | SCM_SYSCALL (sts = closedir ((DIR *) SCM_SMOB_DATA_1 (port))); |
30ea841d DH |
777 | if (sts != 0) |
778 | SCM_SYSERROR; | |
779 | ||
b9ef8e66 | 780 | SCM_SET_SMOB_DATA_0 (port, scm_tc16_dir); |
0f2d19dd | 781 | } |
30ea841d | 782 | |
02b754d3 | 783 | return SCM_UNSPECIFIED; |
0f2d19dd | 784 | } |
1bbd0b84 | 785 | #undef FUNC_NAME |
0f2d19dd JB |
786 | |
787 | ||
0f2d19dd | 788 | static int |
e81d98ec | 789 | scm_dir_print (SCM exp, SCM port, scm_print_state *pstate SCM_UNUSED) |
0f2d19dd | 790 | { |
f8b16091 | 791 | scm_puts ("#<", port); |
30ea841d | 792 | if (!SCM_DIR_OPEN_P (exp)) |
f8b16091 | 793 | scm_puts ("closed: ", port); |
0d03da62 | 794 | scm_puts ("directory stream ", port); |
b9ef8e66 | 795 | scm_uintprint (SCM_SMOB_DATA_1 (exp), 16, port); |
f8b16091 | 796 | scm_putc ('>', port); |
0f2d19dd JB |
797 | return 1; |
798 | } | |
799 | ||
1cc91f1b | 800 | |
1be6b49c | 801 | static size_t |
1bbd0b84 | 802 | scm_dir_free (SCM p) |
0f2d19dd | 803 | { |
30ea841d | 804 | if (SCM_DIR_OPEN_P (p)) |
b9ef8e66 | 805 | closedir ((DIR *) SCM_SMOB_DATA_1 (p)); |
0f2d19dd JB |
806 | return 0; |
807 | } | |
808 | ||
0f2d19dd JB |
809 | \f |
810 | /* {Navigating Directories} | |
811 | */ | |
812 | ||
813 | ||
a1ec6916 | 814 | SCM_DEFINE (scm_chdir, "chdir", 1, 0, 0, |
1bbd0b84 | 815 | (SCM str), |
d3818c29 MD |
816 | "Change the current working directory to @var{path}.\n" |
817 | "The return value is unspecified.") | |
1bbd0b84 | 818 | #define FUNC_NAME s_scm_chdir |
0f2d19dd JB |
819 | { |
820 | int ans; | |
02b754d3 | 821 | |
1299a0f1 | 822 | STRING_SYSCALL (str, c_str, ans = chdir (c_str)); |
02b754d3 | 823 | if (ans != 0) |
1bbd0b84 | 824 | SCM_SYSERROR; |
02b754d3 | 825 | return SCM_UNSPECIFIED; |
0f2d19dd | 826 | } |
1bbd0b84 | 827 | #undef FUNC_NAME |
0f2d19dd | 828 | |
0f2d19dd JB |
829 | \f |
830 | ||
28d77376 GH |
831 | #ifdef HAVE_SELECT |
832 | ||
833 | /* check that element is a port or file descriptor. if it's a port | |
834 | and its buffer is ready for use, add it to the ports_ready list. | |
835 | otherwise add its file descriptor to *set. the type of list can be | |
836 | determined from pos: SCM_ARG1 for reads, SCM_ARG2 for writes, | |
837 | SCM_ARG3 for excepts. */ | |
cafc12ff | 838 | static int |
28d77376 | 839 | set_element (SELECT_TYPE *set, SCM *ports_ready, SCM element, int pos) |
a48a89bc | 840 | { |
cafc12ff | 841 | int fd; |
d831b039 | 842 | |
e11e83f3 | 843 | if (scm_is_integer (element)) |
28d77376 | 844 | { |
e11e83f3 | 845 | fd = scm_to_int (element); |
28d77376 GH |
846 | } |
847 | else | |
848 | { | |
849 | int use_buf = 0; | |
850 | ||
851 | element = SCM_COERCE_OUTPORT (element); | |
852 | SCM_ASSERT (SCM_OPFPORTP (element), element, pos, "select"); | |
853 | if (pos == SCM_ARG1) | |
854 | { | |
855 | /* check whether port has buffered input. */ | |
92c2555f | 856 | scm_t_port *pt = SCM_PTAB_ENTRY (element); |
28d77376 GH |
857 | |
858 | if (pt->read_pos < pt->read_end) | |
859 | use_buf = 1; | |
860 | } | |
861 | else if (pos == SCM_ARG2) | |
862 | { | |
863 | /* check whether port's output buffer has room. */ | |
92c2555f | 864 | scm_t_port *pt = SCM_PTAB_ENTRY (element); |
28d77376 GH |
865 | |
866 | /* > 1 since writing the last byte in the buffer causes flush. */ | |
867 | if (pt->write_end - pt->write_pos > 1) | |
868 | use_buf = 1; | |
869 | } | |
870 | fd = use_buf ? -1 : SCM_FPORT_FDES (element); | |
871 | } | |
872 | if (fd == -1) | |
873 | *ports_ready = scm_cons (element, *ports_ready); | |
874 | else | |
875 | FD_SET (fd, set); | |
cafc12ff | 876 | return fd; |
a48a89bc | 877 | } |
1cc91f1b | 878 | |
28d77376 GH |
879 | /* check list_or_vec, a list or vector of ports or file descriptors, |
880 | adding each member to either the ports_ready list (if it's a port | |
881 | with a usable buffer) or to *set. the kind of list_or_vec can be | |
882 | determined from pos: SCM_ARG1 for reads, SCM_ARG2 for writes, | |
883 | SCM_ARG3 for excepts. */ | |
cafc12ff | 884 | static int |
28d77376 | 885 | fill_select_type (SELECT_TYPE *set, SCM *ports_ready, SCM list_or_vec, int pos) |
0f2d19dd | 886 | { |
28d77376 GH |
887 | int max_fd = 0; |
888 | ||
4057a3e0 | 889 | if (scm_is_simple_vector (list_or_vec)) |
0f2d19dd | 890 | { |
4057a3e0 | 891 | int i = SCM_SIMPLE_VECTOR_LENGTH (list_or_vec); |
a48a89bc | 892 | |
28d77376 | 893 | while (--i >= 0) |
a48a89bc | 894 | { |
4057a3e0 MV |
895 | int fd = set_element (set, ports_ready, |
896 | SCM_SIMPLE_VECTOR_REF (list_or_vec, i), pos); | |
28d77376 | 897 | |
cafc12ff MD |
898 | if (fd > max_fd) |
899 | max_fd = fd; | |
a48a89bc GH |
900 | } |
901 | } | |
902 | else | |
903 | { | |
c96d76b8 | 904 | while (!SCM_NULL_OR_NIL_P (list_or_vec)) |
a48a89bc | 905 | { |
28d77376 GH |
906 | int fd = set_element (set, ports_ready, SCM_CAR (list_or_vec), pos); |
907 | ||
cafc12ff MD |
908 | if (fd > max_fd) |
909 | max_fd = fd; | |
28d77376 | 910 | list_or_vec = SCM_CDR (list_or_vec); |
a48a89bc | 911 | } |
0f2d19dd | 912 | } |
cafc12ff MD |
913 | |
914 | return max_fd; | |
0f2d19dd JB |
915 | } |
916 | ||
28d77376 GH |
917 | /* if element (a file descriptor or port) appears in *set, cons it to |
918 | list. return list. */ | |
a48a89bc GH |
919 | static SCM |
920 | get_element (SELECT_TYPE *set, SCM element, SCM list) | |
921 | { | |
28d77376 GH |
922 | int fd; |
923 | ||
e11e83f3 | 924 | if (scm_is_integer (element)) |
a48a89bc | 925 | { |
e11e83f3 | 926 | fd = scm_to_int (element); |
a48a89bc | 927 | } |
28d77376 | 928 | else |
a48a89bc | 929 | { |
28d77376 | 930 | fd = SCM_FPORT_FDES (SCM_COERCE_OUTPORT (element)); |
a48a89bc | 931 | } |
28d77376 GH |
932 | if (FD_ISSET (fd, set)) |
933 | list = scm_cons (element, list); | |
a48a89bc GH |
934 | return list; |
935 | } | |
1cc91f1b | 936 | |
28d77376 GH |
937 | /* construct component of scm_select return value. |
938 | set: pointer to set of file descriptors found by select to be ready | |
939 | ports_ready: ports ready due to buffering | |
940 | list_or_vec: original list/vector handed to scm_select. | |
941 | the return value is a list/vector of ready ports/file descriptors. | |
942 | works by finding the objects in list which correspond to members of | |
943 | *set and appending them to ports_ready. result is converted to a | |
944 | vector if list_or_vec is a vector. */ | |
0f2d19dd | 945 | static SCM |
28d77376 | 946 | retrieve_select_type (SELECT_TYPE *set, SCM ports_ready, SCM list_or_vec) |
0f2d19dd | 947 | { |
28d77376 | 948 | SCM answer_list = ports_ready; |
a48a89bc | 949 | |
4057a3e0 | 950 | if (scm_is_simple_vector (list_or_vec)) |
0f2d19dd | 951 | { |
4057a3e0 | 952 | int i = SCM_SIMPLE_VECTOR_LENGTH (list_or_vec); |
a48a89bc | 953 | |
28d77376 | 954 | while (--i >= 0) |
0f2d19dd | 955 | { |
4057a3e0 MV |
956 | answer_list = get_element (set, |
957 | SCM_SIMPLE_VECTOR_REF (list_or_vec, i), | |
958 | answer_list); | |
0f2d19dd | 959 | } |
a48a89bc GH |
960 | return scm_vector (answer_list); |
961 | } | |
962 | else | |
963 | { | |
28d77376 | 964 | /* list_or_vec must be a list. */ |
c96d76b8 | 965 | while (!SCM_NULL_OR_NIL_P (list_or_vec)) |
0f2d19dd | 966 | { |
28d77376 GH |
967 | answer_list = get_element (set, SCM_CAR (list_or_vec), answer_list); |
968 | list_or_vec = SCM_CDR (list_or_vec); | |
0f2d19dd | 969 | } |
a48a89bc | 970 | return answer_list; |
0f2d19dd | 971 | } |
0f2d19dd JB |
972 | } |
973 | ||
1bbd0b84 | 974 | /* Static helper functions above refer to s_scm_select directly as s_select */ |
a1ec6916 | 975 | SCM_DEFINE (scm_select, "select", 3, 2, 0, |
1bbd0b84 | 976 | (SCM reads, SCM writes, SCM excepts, SCM secs, SCM usecs), |
28d77376 | 977 | "This procedure has a variety of uses: waiting for the ability\n" |
bb2c02f2 | 978 | "to provide input, accept output, or the existence of\n" |
28d77376 GH |
979 | "exceptional conditions on a collection of ports or file\n" |
980 | "descriptors, or waiting for a timeout to occur.\n" | |
981 | "It also returns if interrupted by a signal.\n\n" | |
982 | "@var{reads}, @var{writes} and @var{excepts} can be lists or\n" | |
983 | "vectors, with each member a port or a file descriptor.\n" | |
984 | "The value returned is a list of three corresponding\n" | |
985 | "lists or vectors containing only the members which meet the\n" | |
986 | "specified requirement. The ability of port buffers to\n" | |
987 | "provide input or accept output is taken into account.\n" | |
988 | "Ordering of the input lists or vectors is not preserved.\n\n" | |
989 | "The optional arguments @var{secs} and @var{usecs} specify the\n" | |
990 | "timeout. Either @var{secs} can be specified alone, as\n" | |
991 | "either an integer or a real number, or both @var{secs} and\n" | |
992 | "@var{usecs} can be specified as integers, in which case\n" | |
993 | "@var{usecs} is an additional timeout expressed in\n" | |
994 | "microseconds. If @var{secs} is omitted or is @code{#f} then\n" | |
995 | "select will wait for as long as it takes for one of the other\n" | |
996 | "conditions to be satisfied.\n\n" | |
997 | "The scsh version of @code{select} differs as follows:\n" | |
998 | "Only vectors are accepted for the first three arguments.\n" | |
999 | "The @var{usecs} argument is not supported.\n" | |
1000 | "Multiple values are returned instead of a list.\n" | |
1001 | "Duplicates in the input vectors appear only once in output.\n" | |
9401323e | 1002 | "An additional @code{select!} interface is provided.") |
1bbd0b84 | 1003 | #define FUNC_NAME s_scm_select |
0f2d19dd | 1004 | { |
0f2d19dd | 1005 | struct timeval timeout; |
28d77376 | 1006 | struct timeval * time_ptr; |
0f2d19dd JB |
1007 | SELECT_TYPE read_set; |
1008 | SELECT_TYPE write_set; | |
1009 | SELECT_TYPE except_set; | |
28d77376 GH |
1010 | int read_count; |
1011 | int write_count; | |
1012 | int except_count; | |
1013 | /* these lists accumulate ports which are ready due to buffering. | |
1014 | their file descriptors don't need to be added to the select sets. */ | |
1015 | SCM read_ports_ready = SCM_EOL; | |
1016 | SCM write_ports_ready = SCM_EOL; | |
1017 | int max_fd; | |
1018 | ||
4057a3e0 | 1019 | if (scm_is_simple_vector (reads)) |
28d77376 | 1020 | { |
4057a3e0 | 1021 | read_count = SCM_SIMPLE_VECTOR_LENGTH (reads); |
28d77376 GH |
1022 | } |
1023 | else | |
1024 | { | |
1025 | read_count = scm_ilength (reads); | |
1026 | SCM_ASSERT (read_count >= 0, reads, SCM_ARG1, FUNC_NAME); | |
1027 | } | |
4057a3e0 | 1028 | if (scm_is_simple_vector (writes)) |
28d77376 | 1029 | { |
4057a3e0 | 1030 | write_count = SCM_SIMPLE_VECTOR_LENGTH (writes); |
28d77376 GH |
1031 | } |
1032 | else | |
1033 | { | |
1034 | write_count = scm_ilength (writes); | |
1035 | SCM_ASSERT (write_count >= 0, writes, SCM_ARG2, FUNC_NAME); | |
1036 | } | |
4057a3e0 | 1037 | if (scm_is_simple_vector (excepts)) |
28d77376 | 1038 | { |
4057a3e0 | 1039 | except_count = SCM_SIMPLE_VECTOR_LENGTH (excepts); |
28d77376 GH |
1040 | } |
1041 | else | |
1042 | { | |
1043 | except_count = scm_ilength (excepts); | |
1044 | SCM_ASSERT (except_count >= 0, excepts, SCM_ARG3, FUNC_NAME); | |
1045 | } | |
0f2d19dd JB |
1046 | |
1047 | FD_ZERO (&read_set); | |
1048 | FD_ZERO (&write_set); | |
1049 | FD_ZERO (&except_set); | |
1050 | ||
28d77376 GH |
1051 | max_fd = fill_select_type (&read_set, &read_ports_ready, reads, SCM_ARG1); |
1052 | ||
1053 | { | |
1054 | int write_max = fill_select_type (&write_set, &write_ports_ready, | |
1055 | writes, SCM_ARG2); | |
1056 | int except_max = fill_select_type (&except_set, NULL, | |
1057 | excepts, SCM_ARG3); | |
1058 | ||
1059 | if (write_max > max_fd) | |
1060 | max_fd = write_max; | |
1061 | if (except_max > max_fd) | |
1062 | max_fd = except_max; | |
1063 | } | |
0f2d19dd | 1064 | |
ae1b098b GH |
1065 | /* if there's a port with a ready buffer, don't block, just |
1066 | check for ready file descriptors. */ | |
d2e53ed6 | 1067 | if (!scm_is_null (read_ports_ready) || !scm_is_null (write_ports_ready)) |
ae1b098b GH |
1068 | { |
1069 | timeout.tv_sec = 0; | |
1070 | timeout.tv_usec = 0; | |
1071 | time_ptr = &timeout; | |
1072 | } | |
7888309b | 1073 | else if (SCM_UNBNDP (secs) || scm_is_false (secs)) |
28d77376 | 1074 | time_ptr = 0; |
0f2d19dd JB |
1075 | else |
1076 | { | |
a55c2b68 | 1077 | if (scm_is_unsigned_integer (secs, 0, ULONG_MAX)) |
a48a89bc | 1078 | { |
a55c2b68 | 1079 | timeout.tv_sec = scm_to_ulong (secs); |
a48a89bc GH |
1080 | if (SCM_UNBNDP (usecs)) |
1081 | timeout.tv_usec = 0; | |
1082 | else | |
a55c2b68 | 1083 | timeout.tv_usec = scm_to_long (usecs); |
a48a89bc | 1084 | } |
0f2d19dd | 1085 | else |
a48a89bc | 1086 | { |
d9a67fc4 | 1087 | double fl = scm_to_double (secs); |
a48a89bc GH |
1088 | |
1089 | if (!SCM_UNBNDP (usecs)) | |
c1bfcf60 | 1090 | SCM_WRONG_TYPE_ARG (4, secs); |
a48a89bc | 1091 | if (fl > LONG_MAX) |
c1bfcf60 | 1092 | SCM_OUT_OF_RANGE (4, secs); |
a48a89bc GH |
1093 | timeout.tv_sec = (long) fl; |
1094 | timeout.tv_usec = (long) ((fl - timeout.tv_sec) * 1000000); | |
1095 | } | |
28d77376 | 1096 | time_ptr = &timeout; |
0f2d19dd JB |
1097 | } |
1098 | ||
28d77376 | 1099 | { |
9de87eea MV |
1100 | int rv = scm_std_select (max_fd + 1, |
1101 | &read_set, &write_set, &except_set, | |
1102 | time_ptr); | |
28d77376 GH |
1103 | if (rv < 0) |
1104 | SCM_SYSERROR; | |
1105 | } | |
1afff620 KN |
1106 | return scm_list_3 (retrieve_select_type (&read_set, read_ports_ready, reads), |
1107 | retrieve_select_type (&write_set, write_ports_ready, writes), | |
1108 | retrieve_select_type (&except_set, SCM_EOL, excepts)); | |
0f2d19dd | 1109 | } |
1bbd0b84 | 1110 | #undef FUNC_NAME |
f25f761d | 1111 | #endif /* HAVE_SELECT */ |
0f2d19dd JB |
1112 | |
1113 | \f | |
4c1feaa5 | 1114 | |
82893676 | 1115 | #ifdef HAVE_FCNTL |
af45e3b0 | 1116 | SCM_DEFINE (scm_fcntl, "fcntl", 2, 1, 0, |
1bbd0b84 | 1117 | (SCM object, SCM cmd, SCM value), |
d3818c29 MD |
1118 | "Apply @var{command} to the specified file descriptor or the underlying\n" |
1119 | "file descriptor of the specified port. @var{value} is an optional\n" | |
1120 | "integer argument.\n\n" | |
1121 | "Values for @var{command} are:\n\n" | |
1122 | "@table @code\n" | |
1123 | "@item F_DUPFD\n" | |
1124 | "Duplicate a file descriptor\n" | |
1125 | "@item F_GETFD\n" | |
1126 | "Get flags associated with the file descriptor.\n" | |
1127 | "@item F_SETFD\n" | |
1128 | "Set flags associated with the file descriptor to @var{value}.\n" | |
1129 | "@item F_GETFL\n" | |
1130 | "Get flags associated with the open file.\n" | |
1131 | "@item F_SETFL\n" | |
1132 | "Set flags associated with the open file to @var{value}\n" | |
1133 | "@item F_GETOWN\n" | |
1134 | "Get the process ID of a socket's owner, for @code{SIGIO} signals.\n" | |
1135 | "@item F_SETOWN\n" | |
1136 | "Set the process that owns a socket to @var{value}, for @code{SIGIO} signals.\n" | |
1137 | "@item FD_CLOEXEC\n" | |
55892d87 NJ |
1138 | "The value used to indicate the \"close on exec\" flag with @code{F_GETFL} or\n" |
1139 | "@code{F_SETFL}.\n" | |
a3c8b9fc | 1140 | "@end table") |
1bbd0b84 | 1141 | #define FUNC_NAME s_scm_fcntl |
4c1feaa5 JB |
1142 | { |
1143 | int rv; | |
6afcd3b2 GH |
1144 | int fdes; |
1145 | int ivalue; | |
4c1feaa5 | 1146 | |
78446828 MV |
1147 | object = SCM_COERCE_OUTPORT (object); |
1148 | ||
0c95b57d | 1149 | if (SCM_OPFPORTP (object)) |
77a76b64 | 1150 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 | 1151 | else |
a55c2b68 | 1152 | fdes = scm_to_int (object); |
af45e3b0 | 1153 | |
a55c2b68 | 1154 | if (SCM_UNBNDP (value)) |
6afcd3b2 | 1155 | ivalue = 0; |
a55c2b68 MV |
1156 | else |
1157 | ivalue = scm_to_int (value); | |
af45e3b0 | 1158 | |
a55c2b68 | 1159 | SCM_SYSCALL (rv = fcntl (fdes, scm_to_int (cmd), ivalue)); |
77a76b64 | 1160 | if (rv == -1) |
1bbd0b84 | 1161 | SCM_SYSERROR; |
a55c2b68 | 1162 | return scm_from_int (rv); |
4c1feaa5 | 1163 | } |
1bbd0b84 | 1164 | #undef FUNC_NAME |
82893676 | 1165 | #endif /* HAVE_FCNTL */ |
6afcd3b2 | 1166 | |
a1ec6916 | 1167 | SCM_DEFINE (scm_fsync, "fsync", 1, 0, 0, |
1bbd0b84 | 1168 | (SCM object), |
d3818c29 MD |
1169 | "Copies any unwritten data for the specified output file descriptor to disk.\n" |
1170 | "If @var{port/fd} is a port, its buffer is flushed before the underlying\n" | |
1171 | "file descriptor is fsync'd.\n" | |
1172 | "The return value is unspecified.") | |
1bbd0b84 | 1173 | #define FUNC_NAME s_scm_fsync |
6afcd3b2 GH |
1174 | { |
1175 | int fdes; | |
1176 | ||
78446828 MV |
1177 | object = SCM_COERCE_OUTPORT (object); |
1178 | ||
0c95b57d | 1179 | if (SCM_OPFPORTP (object)) |
6afcd3b2 | 1180 | { |
affc96b5 | 1181 | scm_flush (object); |
77a76b64 | 1182 | fdes = SCM_FPORT_FDES (object); |
6afcd3b2 GH |
1183 | } |
1184 | else | |
a55c2b68 MV |
1185 | fdes = scm_to_int (object); |
1186 | ||
6afcd3b2 | 1187 | if (fsync (fdes) == -1) |
1bbd0b84 | 1188 | SCM_SYSERROR; |
6afcd3b2 GH |
1189 | return SCM_UNSPECIFIED; |
1190 | } | |
1bbd0b84 | 1191 | #undef FUNC_NAME |
0f2d19dd | 1192 | |
f25f761d | 1193 | #ifdef HAVE_SYMLINK |
a1ec6916 | 1194 | SCM_DEFINE (scm_symlink, "symlink", 2, 0, 0, |
1bbd0b84 | 1195 | (SCM oldpath, SCM newpath), |
d3818c29 MD |
1196 | "Create a symbolic link named @var{path-to} with the value (i.e., pointing to)\n" |
1197 | "@var{path-from}. The return value is unspecified.") | |
1bbd0b84 | 1198 | #define FUNC_NAME s_scm_symlink |
0f2d19dd | 1199 | { |
0f2d19dd | 1200 | int val; |
02b754d3 | 1201 | |
1299a0f1 MV |
1202 | STRING2_SYSCALL (oldpath, c_oldpath, |
1203 | newpath, c_newpath, | |
1204 | val = symlink (c_oldpath, c_newpath)); | |
02b754d3 | 1205 | if (val != 0) |
1bbd0b84 | 1206 | SCM_SYSERROR; |
02b754d3 | 1207 | return SCM_UNSPECIFIED; |
0f2d19dd | 1208 | } |
1bbd0b84 | 1209 | #undef FUNC_NAME |
f25f761d | 1210 | #endif /* HAVE_SYMLINK */ |
0f2d19dd | 1211 | |
f25f761d | 1212 | #ifdef HAVE_READLINK |
a1ec6916 | 1213 | SCM_DEFINE (scm_readlink, "readlink", 1, 0, 0, |
1bbd0b84 | 1214 | (SCM path), |
1e6808ea MG |
1215 | "Return the value of the symbolic link named by @var{path} (a\n" |
1216 | "string), i.e., the file that the link points to.") | |
1bbd0b84 | 1217 | #define FUNC_NAME s_scm_readlink |
0f2d19dd | 1218 | { |
6a738a25 JB |
1219 | int rv; |
1220 | int size = 100; | |
0f2d19dd JB |
1221 | char *buf; |
1222 | SCM result; | |
1299a0f1 MV |
1223 | char *c_path; |
1224 | ||
661ae7ab | 1225 | scm_dynwind_begin (0); |
1299a0f1 MV |
1226 | |
1227 | c_path = scm_to_locale_string (path); | |
661ae7ab | 1228 | scm_dynwind_free (c_path); |
1299a0f1 | 1229 | |
4c9419ac | 1230 | buf = scm_malloc (size); |
1299a0f1 MV |
1231 | |
1232 | while ((rv = readlink (c_path, buf, size)) == size) | |
0f2d19dd | 1233 | { |
4c9419ac | 1234 | free (buf); |
0f2d19dd | 1235 | size *= 2; |
4c9419ac | 1236 | buf = scm_malloc (size); |
0f2d19dd | 1237 | } |
02b754d3 | 1238 | if (rv == -1) |
11e1db06 KR |
1239 | { |
1240 | int save_errno = errno; | |
1241 | free (buf); | |
1242 | errno = save_errno; | |
1243 | SCM_SYSERROR; | |
1244 | } | |
1299a0f1 MV |
1245 | result = scm_take_locale_stringn (buf, rv); |
1246 | ||
661ae7ab | 1247 | scm_dynwind_end (); |
0f2d19dd | 1248 | return result; |
0f2d19dd | 1249 | } |
1bbd0b84 | 1250 | #undef FUNC_NAME |
f25f761d | 1251 | #endif /* HAVE_READLINK */ |
0f2d19dd | 1252 | |
f25f761d | 1253 | #ifdef HAVE_LSTAT |
a1ec6916 | 1254 | SCM_DEFINE (scm_lstat, "lstat", 1, 0, 0, |
1bbd0b84 | 1255 | (SCM str), |
d3818c29 | 1256 | "Similar to @code{stat}, but does not follow symbolic links, i.e.,\n" |
9401323e | 1257 | "it will return information about a symbolic link itself, not the\n" |
d3818c29 | 1258 | "file it points to. @var{path} must be a string.") |
1bbd0b84 | 1259 | #define FUNC_NAME s_scm_lstat |
0f2d19dd | 1260 | { |
02b754d3 | 1261 | int rv; |
2b829bbb | 1262 | struct stat_or_stat64 stat_temp; |
02b754d3 | 1263 | |
2b829bbb | 1264 | STRING_SYSCALL (str, c_str, rv = lstat_or_lstat64 (c_str, &stat_temp)); |
02b754d3 | 1265 | if (rv != 0) |
3d8d56df GH |
1266 | { |
1267 | int en = errno; | |
1268 | ||
5d2d2ffc | 1269 | SCM_SYSERROR_MSG ("~A: ~S", |
3572cd6b | 1270 | scm_list_2 (scm_strerror (scm_from_int (en)), str), |
e0c08f17 | 1271 | en); |
3d8d56df | 1272 | } |
1299a0f1 | 1273 | return scm_stat2scm (&stat_temp); |
0f2d19dd | 1274 | } |
1bbd0b84 | 1275 | #undef FUNC_NAME |
f25f761d | 1276 | #endif /* HAVE_LSTAT */ |
0f2d19dd | 1277 | |
a1ec6916 | 1278 | SCM_DEFINE (scm_copy_file, "copy-file", 2, 0, 0, |
1bbd0b84 | 1279 | (SCM oldfile, SCM newfile), |
d3818c29 MD |
1280 | "Copy the file specified by @var{path-from} to @var{path-to}.\n" |
1281 | "The return value is unspecified.") | |
1bbd0b84 | 1282 | #define FUNC_NAME s_scm_copy_file |
0f2d19dd | 1283 | { |
1299a0f1 | 1284 | char *c_oldfile, *c_newfile; |
0f2d19dd | 1285 | int oldfd, newfd; |
37eb673b | 1286 | int n, rv; |
77a76b64 | 1287 | char buf[BUFSIZ]; |
2b829bbb | 1288 | struct stat_or_stat64 oldstat; |
0f2d19dd | 1289 | |
661ae7ab | 1290 | scm_dynwind_begin (0); |
1299a0f1 MV |
1291 | |
1292 | c_oldfile = scm_to_locale_string (oldfile); | |
661ae7ab | 1293 | scm_dynwind_free (c_oldfile); |
1299a0f1 | 1294 | c_newfile = scm_to_locale_string (newfile); |
661ae7ab | 1295 | scm_dynwind_free (c_newfile); |
37eb673b | 1296 | |
2b829bbb | 1297 | oldfd = open_or_open64 (c_oldfile, O_RDONLY); |
0f2d19dd | 1298 | if (oldfd == -1) |
1bbd0b84 | 1299 | SCM_SYSERROR; |
02b754d3 | 1300 | |
37eb673b KR |
1301 | #ifdef __MINGW32__ |
1302 | SCM_SYSCALL (rv = fstat_Win32 (oldfd, &oldstat)); | |
1303 | #else | |
2b829bbb | 1304 | SCM_SYSCALL (rv = fstat_or_fstat64 (oldfd, &oldstat)); |
37eb673b KR |
1305 | #endif |
1306 | if (rv == -1) | |
1307 | goto err_close_oldfd; | |
1308 | ||
02b754d3 | 1309 | /* use POSIX flags instead of 07777?. */ |
2b829bbb KR |
1310 | newfd = open_or_open64 (c_newfile, O_WRONLY | O_CREAT | O_TRUNC, |
1311 | oldstat.st_mode & 07777); | |
0f2d19dd | 1312 | if (newfd == -1) |
01046395 | 1313 | { |
37eb673b | 1314 | err_close_oldfd: |
01046395 KR |
1315 | close (oldfd); |
1316 | SCM_SYSERROR; | |
1317 | } | |
02b754d3 | 1318 | |
0f2d19dd JB |
1319 | while ((n = read (oldfd, buf, sizeof buf)) > 0) |
1320 | if (write (newfd, buf, n) != n) | |
1321 | { | |
1322 | close (oldfd); | |
1323 | close (newfd); | |
1bbd0b84 | 1324 | SCM_SYSERROR; |
0f2d19dd JB |
1325 | } |
1326 | close (oldfd); | |
1327 | if (close (newfd) == -1) | |
1bbd0b84 | 1328 | SCM_SYSERROR; |
1299a0f1 | 1329 | |
661ae7ab | 1330 | scm_dynwind_end (); |
02b754d3 | 1331 | return SCM_UNSPECIFIED; |
0f2d19dd | 1332 | } |
1bbd0b84 | 1333 | #undef FUNC_NAME |
0f2d19dd | 1334 | |
073167ef LC |
1335 | #endif /* HAVE_POSIX */ |
1336 | ||
1337 | \f | |
1338 | /* Essential procedures used in (system base compile). */ | |
1339 | ||
1340 | #ifdef HAVE_GETCWD | |
1341 | SCM_DEFINE (scm_getcwd, "getcwd", 0, 0, 0, | |
1342 | (), | |
1343 | "Return the name of the current working directory.") | |
1344 | #define FUNC_NAME s_scm_getcwd | |
1345 | { | |
1346 | char *rv; | |
1347 | size_t size = 100; | |
1348 | char *wd; | |
1349 | SCM result; | |
1350 | ||
1351 | wd = scm_malloc (size); | |
1352 | while ((rv = getcwd (wd, size)) == 0 && errno == ERANGE) | |
1353 | { | |
1354 | free (wd); | |
1355 | size *= 2; | |
1356 | wd = scm_malloc (size); | |
1357 | } | |
1358 | if (rv == 0) | |
1359 | { | |
1360 | int save_errno = errno; | |
1361 | free (wd); | |
1362 | errno = save_errno; | |
1363 | SCM_SYSERROR; | |
1364 | } | |
1365 | result = scm_from_locale_stringn (wd, strlen (wd)); | |
1366 | free (wd); | |
1367 | return result; | |
1368 | } | |
1369 | #undef FUNC_NAME | |
1370 | #endif /* HAVE_GETCWD */ | |
1371 | ||
1372 | #ifdef HAVE_MKDIR | |
1373 | SCM_DEFINE (scm_mkdir, "mkdir", 1, 1, 0, | |
1374 | (SCM path, SCM mode), | |
1375 | "Create a new directory named by @var{path}. If @var{mode} is omitted\n" | |
1376 | "then the permissions of the directory file are set using the current\n" | |
1377 | "umask. Otherwise they are set to the decimal value specified with\n" | |
1378 | "@var{mode}. The return value is unspecified.") | |
1379 | #define FUNC_NAME s_scm_mkdir | |
1380 | { | |
1381 | int rv; | |
1382 | mode_t mask; | |
1383 | ||
1384 | if (SCM_UNBNDP (mode)) | |
1385 | { | |
1386 | mask = umask (0); | |
1387 | umask (mask); | |
1388 | STRING_SYSCALL (path, c_path, rv = mkdir (c_path, 0777 ^ mask)); | |
1389 | } | |
1390 | else | |
1391 | { | |
1392 | STRING_SYSCALL (path, c_path, rv = mkdir (c_path, scm_to_uint (mode))); | |
1393 | } | |
1394 | if (rv != 0) | |
1395 | SCM_SYSERROR; | |
1396 | return SCM_UNSPECIFIED; | |
1397 | } | |
1398 | #undef FUNC_NAME | |
1399 | #endif /* HAVE_MKDIR */ | |
1400 | ||
1401 | #ifdef HAVE_RMDIR | |
1402 | SCM_DEFINE (scm_rmdir, "rmdir", 1, 0, 0, | |
1403 | (SCM path), | |
1404 | "Remove the existing directory named by @var{path}. The directory must\n" | |
1405 | "be empty for this to succeed. The return value is unspecified.") | |
1406 | #define FUNC_NAME s_scm_rmdir | |
1407 | { | |
1408 | int val; | |
1409 | ||
1410 | STRING_SYSCALL (path, c_path, val = rmdir (c_path)); | |
1411 | if (val != 0) | |
1412 | SCM_SYSERROR; | |
1413 | return SCM_UNSPECIFIED; | |
1414 | } | |
1415 | #undef FUNC_NAME | |
1416 | #endif | |
1417 | ||
1418 | #ifdef HAVE_RENAME | |
1419 | #define my_rename rename | |
1420 | #else | |
1421 | static int | |
1422 | my_rename (const char *oldname, const char *newname) | |
1423 | { | |
1424 | int rv; | |
1425 | ||
1426 | SCM_SYSCALL (rv = link (oldname, newname)); | |
1427 | if (rv == 0) | |
1428 | { | |
1429 | SCM_SYSCALL (rv = unlink (oldname)); | |
1430 | if (rv != 0) | |
1431 | /* unlink failed. remove new name */ | |
1432 | SCM_SYSCALL (unlink (newname)); | |
1433 | } | |
1434 | return rv; | |
1435 | } | |
1436 | #endif | |
1437 | ||
1438 | SCM_DEFINE (scm_rename, "rename-file", 2, 0, 0, | |
1439 | (SCM oldname, SCM newname), | |
1440 | "Renames the file specified by @var{oldname} to @var{newname}.\n" | |
1441 | "The return value is unspecified.") | |
1442 | #define FUNC_NAME s_scm_rename | |
1443 | { | |
1444 | int rv; | |
1445 | ||
1446 | STRING2_SYSCALL (oldname, c_oldname, | |
1447 | newname, c_newname, | |
1448 | rv = my_rename (c_oldname, c_newname)); | |
1449 | if (rv != 0) | |
1450 | SCM_SYSERROR; | |
1451 | return SCM_UNSPECIFIED; | |
1452 | } | |
1453 | #undef FUNC_NAME | |
1454 | ||
1455 | ||
1456 | SCM_DEFINE (scm_delete_file, "delete-file", 1, 0, 0, | |
1457 | (SCM str), | |
1458 | "Deletes (or \"unlinks\") the file specified by @var{path}.") | |
1459 | #define FUNC_NAME s_scm_delete_file | |
1460 | { | |
1461 | int ans; | |
1462 | STRING_SYSCALL (str, c_str, ans = unlink (c_str)); | |
1463 | if (ans != 0) | |
1464 | SCM_SYSERROR; | |
1465 | return SCM_UNSPECIFIED; | |
1466 | } | |
1467 | #undef FUNC_NAME | |
1468 | ||
1469 | SCM_DEFINE (scm_access, "access?", 2, 0, 0, | |
1470 | (SCM path, SCM how), | |
1471 | "Test accessibility of a file under the real UID and GID of the\n" | |
1472 | "calling process. The return is @code{#t} if @var{path} exists\n" | |
1473 | "and the permissions requested by @var{how} are all allowed, or\n" | |
1474 | "@code{#f} if not.\n" | |
1475 | "\n" | |
1476 | "@var{how} is an integer which is one of the following values,\n" | |
1477 | "or a bitwise-OR (@code{logior}) of multiple values.\n" | |
1478 | "\n" | |
1479 | "@defvar R_OK\n" | |
1480 | "Test for read permission.\n" | |
1481 | "@end defvar\n" | |
1482 | "@defvar W_OK\n" | |
1483 | "Test for write permission.\n" | |
1484 | "@end defvar\n" | |
1485 | "@defvar X_OK\n" | |
1486 | "Test for execute permission.\n" | |
1487 | "@end defvar\n" | |
1488 | "@defvar F_OK\n" | |
1489 | "Test for existence of the file. This is implied by each of the\n" | |
1490 | "other tests, so there's no need to combine it with them.\n" | |
1491 | "@end defvar\n" | |
1492 | "\n" | |
1493 | "It's important to note that @code{access?} does not simply\n" | |
1494 | "indicate what will happen on attempting to read or write a\n" | |
1495 | "file. In normal circumstances it does, but in a set-UID or\n" | |
1496 | "set-GID program it doesn't because @code{access?} tests the\n" | |
1497 | "real ID, whereas an open or execute attempt uses the effective\n" | |
1498 | "ID.\n" | |
1499 | "\n" | |
1500 | "A program which will never run set-UID/GID can ignore the\n" | |
1501 | "difference between real and effective IDs, but for maximum\n" | |
1502 | "generality, especially in library functions, it's best not to\n" | |
1503 | "use @code{access?} to predict the result of an open or execute,\n" | |
1504 | "instead simply attempt that and catch any exception.\n" | |
1505 | "\n" | |
1506 | "The main use for @code{access?} is to let a set-UID/GID program\n" | |
1507 | "determine what the invoking user would have been allowed to do,\n" | |
1508 | "without the greater (or perhaps lesser) privileges afforded by\n" | |
1509 | "the effective ID. For more on this, see ``Testing File\n" | |
1510 | "Access'' in The GNU C Library Reference Manual.") | |
1511 | #define FUNC_NAME s_scm_access | |
1512 | { | |
1513 | int rv; | |
1514 | char *c_path; | |
1515 | ||
1516 | c_path = scm_to_locale_string (path); | |
1517 | rv = access (c_path, scm_to_int (how)); | |
1518 | free (c_path); | |
1519 | ||
1520 | return scm_from_bool (!rv); | |
1521 | } | |
1522 | #undef FUNC_NAME | |
1523 | ||
1524 | SCM_DEFINE (scm_chmod, "chmod", 2, 0, 0, | |
1525 | (SCM object, SCM mode), | |
1526 | "Changes the permissions of the file referred to by @var{obj}.\n" | |
1527 | "@var{obj} can be a string containing a file name or a port or integer file\n" | |
1528 | "descriptor which is open on a file (in which case @code{fchmod} is used\n" | |
1529 | "as the underlying system call).\n" | |
1530 | "@var{mode} specifies\n" | |
1531 | "the new permissions as a decimal number, e.g., @code{(chmod \"foo\" #o755)}.\n" | |
1532 | "The return value is unspecified.") | |
1533 | #define FUNC_NAME s_scm_chmod | |
1534 | { | |
1535 | int rv; | |
1536 | int fdes; | |
1537 | ||
1538 | object = SCM_COERCE_OUTPORT (object); | |
1539 | ||
1540 | if (scm_is_integer (object) || SCM_OPFPORTP (object)) | |
1541 | { | |
1542 | if (scm_is_integer (object)) | |
1543 | fdes = scm_to_int (object); | |
1544 | else | |
1545 | fdes = SCM_FPORT_FDES (object); | |
1546 | SCM_SYSCALL (rv = fchmod (fdes, scm_to_int (mode))); | |
1547 | } | |
1548 | else | |
1549 | { | |
1550 | STRING_SYSCALL (object, c_object, | |
1551 | rv = chmod (c_object, scm_to_int (mode))); | |
1552 | } | |
1553 | if (rv == -1) | |
1554 | SCM_SYSERROR; | |
1555 | return SCM_UNSPECIFIED; | |
1556 | } | |
1557 | #undef FUNC_NAME | |
1558 | ||
1559 | SCM_DEFINE (scm_umask, "umask", 0, 1, 0, | |
1560 | (SCM mode), | |
1561 | "If @var{mode} is omitted, returns a decimal number representing the current\n" | |
1562 | "file creation mask. Otherwise the file creation mask is set to\n" | |
1563 | "@var{mode} and the previous value is returned.\n\n" | |
1564 | "E.g., @code{(umask #o022)} sets the mask to octal 22, decimal 18.") | |
1565 | #define FUNC_NAME s_scm_umask | |
1566 | { | |
1567 | mode_t mask; | |
1568 | if (SCM_UNBNDP (mode)) | |
1569 | { | |
1570 | mask = umask (0); | |
1571 | umask (mask); | |
1572 | } | |
1573 | else | |
1574 | { | |
1575 | mask = umask (scm_to_uint (mode)); | |
1576 | } | |
1577 | return scm_from_uint (mask); | |
1578 | } | |
1579 | #undef FUNC_NAME | |
1580 | ||
1581 | #ifndef HAVE_MKSTEMP | |
1582 | extern int mkstemp (char *); | |
1583 | #endif | |
1584 | ||
1585 | SCM_DEFINE (scm_mkstemp, "mkstemp!", 1, 0, 0, | |
1586 | (SCM tmpl), | |
1587 | "Create a new unique file in the file system and return a new\n" | |
1588 | "buffered port open for reading and writing to the file.\n" | |
1589 | "\n" | |
1590 | "@var{tmpl} is a string specifying where the file should be\n" | |
1591 | "created: it must end with @samp{XXXXXX} and those @samp{X}s\n" | |
1592 | "will be changed in the string to return the name of the file.\n" | |
1593 | "(@code{port-filename} on the port also gives the name.)\n" | |
1594 | "\n" | |
1595 | "POSIX doesn't specify the permissions mode of the file, on GNU\n" | |
1596 | "and most systems it's @code{#o600}. An application can use\n" | |
1597 | "@code{chmod} to relax that if desired. For example\n" | |
1598 | "@code{#o666} less @code{umask}, which is usual for ordinary\n" | |
1599 | "file creation,\n" | |
1600 | "\n" | |
1601 | "@example\n" | |
1602 | "(let ((port (mkstemp! (string-copy \"/tmp/myfile-XXXXXX\"))))\n" | |
1603 | " (chmod port (logand #o666 (lognot (umask))))\n" | |
1604 | " ...)\n" | |
1605 | "@end example") | |
1606 | #define FUNC_NAME s_scm_mkstemp | |
1607 | { | |
1608 | char *c_tmpl; | |
1609 | int rv; | |
1610 | ||
1611 | scm_dynwind_begin (0); | |
1612 | ||
1613 | c_tmpl = scm_to_locale_string (tmpl); | |
1614 | scm_dynwind_free (c_tmpl); | |
1615 | ||
1616 | SCM_SYSCALL (rv = mkstemp (c_tmpl)); | |
1617 | if (rv == -1) | |
1618 | SCM_SYSERROR; | |
1619 | ||
1620 | scm_substring_move_x (scm_from_locale_string (c_tmpl), | |
1621 | SCM_INUM0, scm_string_length (tmpl), | |
1622 | tmpl, SCM_INUM0); | |
1623 | ||
1624 | scm_dynwind_end (); | |
1625 | return scm_fdes_to_port (rv, "w+", tmpl); | |
1626 | } | |
1627 | #undef FUNC_NAME | |
1628 | ||
0f2d19dd | 1629 | \f |
6a738a25 JB |
1630 | /* Filename manipulation */ |
1631 | ||
1632 | SCM scm_dot_string; | |
1633 | ||
a1ec6916 | 1634 | SCM_DEFINE (scm_dirname, "dirname", 1, 0, 0, |
1bbd0b84 | 1635 | (SCM filename), |
fa6a543f MG |
1636 | "Return the directory name component of the file name\n" |
1637 | "@var{filename}. If @var{filename} does not contain a directory\n" | |
1638 | "component, @code{.} is returned.") | |
1bbd0b84 | 1639 | #define FUNC_NAME s_scm_dirname |
6a738a25 | 1640 | { |
9fd38a3d DH |
1641 | long int i; |
1642 | unsigned long int len; | |
1643 | ||
34d19ef6 | 1644 | SCM_VALIDATE_STRING (1, filename); |
9fd38a3d | 1645 | |
cc95e00a | 1646 | len = scm_i_string_length (filename); |
9fd38a3d | 1647 | |
6a738a25 | 1648 | i = len - 1; |
82893676 | 1649 | #ifdef __MINGW32__ |
832bbc95 MG |
1650 | while (i >= 0 && (scm_i_string_ref (filename, i) == '/' |
1651 | || scm_i_string_ref (filename, i) == '\\')) | |
1652 | --i; | |
1653 | while (i >= 0 && (scm_i_string_ref (filename, i) != '/' | |
1654 | && scm_i_string_ref (filename, i) != '\\')) | |
1655 | --i; | |
1656 | while (i >= 0 && (scm_i_string_ref (filename, i) == '/' | |
1657 | || scm_i_string_ref (filename, i) == '\\')) | |
1658 | --i; | |
82893676 | 1659 | #else |
832bbc95 MG |
1660 | while (i >= 0 && scm_i_string_ref (filename, i) == '/') |
1661 | --i; | |
1662 | while (i >= 0 && scm_i_string_ref (filename, i) != '/') | |
1663 | --i; | |
1664 | while (i >= 0 && scm_i_string_ref (filename, i) == '/') | |
1665 | --i; | |
82893676 | 1666 | #endif /* ndef __MINGW32__ */ |
6a738a25 JB |
1667 | if (i < 0) |
1668 | { | |
82893676 | 1669 | #ifdef __MINGW32__ |
832bbc95 MG |
1670 | if (len > 0 && (scm_i_string_ref (filename, 0) == '/' |
1671 | || scm_i_string_ref (filename, 0) == '\\')) | |
82893676 | 1672 | #else |
832bbc95 | 1673 | if (len > 0 && scm_i_string_ref (filename, 0) == '/') |
82893676 | 1674 | #endif /* ndef __MINGW32__ */ |
cc95e00a | 1675 | return scm_c_substring (filename, 0, 1); |
6a738a25 JB |
1676 | else |
1677 | return scm_dot_string; | |
1678 | } | |
1679 | else | |
cc95e00a | 1680 | return scm_c_substring (filename, 0, i + 1); |
6a738a25 | 1681 | } |
1bbd0b84 | 1682 | #undef FUNC_NAME |
6a738a25 | 1683 | |
a1ec6916 | 1684 | SCM_DEFINE (scm_basename, "basename", 1, 1, 0, |
1bbd0b84 | 1685 | (SCM filename, SCM suffix), |
fa6a543f MG |
1686 | "Return the base name of the file name @var{filename}. The\n" |
1687 | "base name is the file name without any directory components.\n" | |
bb2c02f2 | 1688 | "If @var{suffix} is provided, and is equal to the end of\n" |
fa6a543f | 1689 | "@var{basename}, it is removed also.") |
1bbd0b84 | 1690 | #define FUNC_NAME s_scm_basename |
6a738a25 | 1691 | { |
6a738a25 | 1692 | int i, j, len, end; |
9fd38a3d | 1693 | |
34d19ef6 | 1694 | SCM_VALIDATE_STRING (1, filename); |
cc95e00a | 1695 | len = scm_i_string_length (filename); |
9fd38a3d | 1696 | |
6a738a25 JB |
1697 | if (SCM_UNBNDP (suffix)) |
1698 | j = -1; | |
1699 | else | |
1700 | { | |
9fd38a3d | 1701 | SCM_VALIDATE_STRING (2, suffix); |
cc95e00a | 1702 | j = scm_i_string_length (suffix) - 1; |
6a738a25 | 1703 | } |
6a738a25 | 1704 | i = len - 1; |
82893676 | 1705 | #ifdef __MINGW32__ |
832bbc95 MG |
1706 | while (i >= 0 && (scm_i_string_ref (filename, i) == '/' |
1707 | || scm_i_string_ref (filename, i) == '\\')) | |
1708 | --i; | |
82893676 | 1709 | #else |
832bbc95 MG |
1710 | while (i >= 0 && scm_i_string_ref (filename, i) == '/') |
1711 | --i; | |
82893676 | 1712 | #endif /* ndef __MINGW32__ */ |
6a738a25 | 1713 | end = i; |
832bbc95 MG |
1714 | while (i >= 0 && j >= 0 |
1715 | && (scm_i_string_ref (filename, i) | |
1716 | == scm_i_string_ref (suffix, j))) | |
1717 | { | |
1718 | --i; | |
1719 | --j; | |
1720 | } | |
6a738a25 JB |
1721 | if (j == -1) |
1722 | end = i; | |
82893676 | 1723 | #ifdef __MINGW32__ |
832bbc95 MG |
1724 | while (i >= 0 && (scm_i_string_ref (filename, i) != '/' |
1725 | && scm_i_string_ref (filename, i) != '\\')) | |
1726 | --i; | |
82893676 | 1727 | #else |
832bbc95 MG |
1728 | while (i >= 0 && scm_i_string_ref (filename, i) != '/') |
1729 | --i; | |
82893676 | 1730 | #endif /* ndef __MINGW32__ */ |
6a738a25 JB |
1731 | if (i == end) |
1732 | { | |
82893676 | 1733 | #ifdef __MINGW32__ |
832bbc95 MG |
1734 | if (len > 0 && (scm_i_string_ref (filename, 0) == '/' |
1735 | || scm_i_string_ref (filename, 0) == '\\')) | |
82893676 | 1736 | #else |
832bbc95 | 1737 | if (len > 0 && scm_i_string_ref (filename, 0) == '/') |
82893676 | 1738 | #endif /* ndef __MINGW32__ */ |
832bbc95 | 1739 | return scm_c_substring (filename, 0, 1); |
6a738a25 JB |
1740 | else |
1741 | return scm_dot_string; | |
1742 | } | |
1743 | else | |
cc95e00a | 1744 | return scm_c_substring (filename, i+1, end+1); |
6a738a25 | 1745 | } |
1bbd0b84 | 1746 | #undef FUNC_NAME |
6a738a25 | 1747 | |
25b82b34 AW |
1748 | SCM_DEFINE (scm_canonicalize_path, "canonicalize-path", 1, 0, 0, |
1749 | (SCM path), | |
1750 | "Return the canonical path of @var{path}. A canonical path has\n" | |
1751 | "no @code{.} or @code{..} components, nor any repeated path\n" | |
1752 | "separators (@code{/}) nor symlinks.\n\n" | |
1753 | "Raises an error if any component of @var{path} does not exist.") | |
1754 | #define FUNC_NAME s_scm_canonicalize_path | |
427c73b9 AW |
1755 | { |
1756 | char *str, *canon; | |
25b82b34 AW |
1757 | |
1758 | SCM_VALIDATE_STRING (1, path); | |
1759 | ||
1760 | str = scm_to_locale_string (path); | |
1761 | canon = canonicalize_file_name (str); | |
1762 | free (str); | |
1763 | ||
1764 | if (canon) | |
1765 | return scm_take_locale_string (canon); | |
1766 | else | |
1767 | SCM_SYSERROR; | |
1768 | } | |
1769 | #undef FUNC_NAME | |
6a738a25 | 1770 | |
22457d57 AW |
1771 | SCM |
1772 | scm_i_relativize_path (SCM path, SCM in_path) | |
1773 | { | |
1774 | char *str, *canon; | |
1775 | SCM scanon; | |
1776 | ||
1777 | str = scm_to_locale_string (path); | |
1778 | canon = canonicalize_file_name (str); | |
1779 | free (str); | |
1780 | ||
1781 | if (!canon) | |
1782 | return SCM_BOOL_F; | |
1783 | ||
1784 | scanon = scm_take_locale_string (canon); | |
1785 | ||
1786 | for (; scm_is_pair (in_path); in_path = scm_cdr (in_path)) | |
1787 | if (scm_is_true (scm_string_prefix_p (scm_car (in_path), | |
1788 | scanon, | |
1789 | SCM_UNDEFINED, SCM_UNDEFINED, | |
1790 | SCM_UNDEFINED, SCM_UNDEFINED))) | |
1791 | { | |
1792 | size_t len = scm_c_string_length (scm_car (in_path)); | |
1793 | ||
1794 | /* The path either has a trailing delimiter or doesn't. scanon will be | |
1795 | delimited by single delimiters. In the case in which the path does | |
1796 | not have a trailing delimiter, add one to the length to strip off the | |
1797 | delimiter within scanon. */ | |
1798 | if (!len | |
1799 | #ifdef __MINGW32__ | |
1800 | || (scm_i_string_ref (scm_car (in_path), len - 1) != '/' | |
1801 | && scm_i_string_ref (scm_car (in_path), len - 1) != '\\') | |
1802 | #else | |
1803 | || scm_i_string_ref (scm_car (in_path), len - 1) != '/' | |
1804 | #endif | |
1805 | ) | |
1806 | len++; | |
1807 | ||
1808 | if (scm_c_string_length (scanon) > len) | |
1809 | return scm_substring (scanon, scm_from_size_t (len), SCM_UNDEFINED); | |
1810 | else | |
1811 | return SCM_BOOL_F; | |
1812 | } | |
1813 | ||
1814 | return SCM_BOOL_F; | |
1815 | } | |
1816 | ||
6a738a25 JB |
1817 | |
1818 | \f | |
1cc91f1b | 1819 | |
0f2d19dd JB |
1820 | void |
1821 | scm_init_filesys () | |
0f2d19dd | 1822 | { |
073167ef | 1823 | #ifdef HAVE_POSIX |
e841c3e0 KN |
1824 | scm_tc16_dir = scm_make_smob_type ("directory", 0); |
1825 | scm_set_smob_free (scm_tc16_dir, scm_dir_free); | |
1826 | scm_set_smob_print (scm_tc16_dir, scm_dir_print); | |
0f2d19dd | 1827 | |
3d8d56df | 1828 | #ifdef O_RDONLY |
23d72566 | 1829 | scm_c_define ("O_RDONLY", scm_from_int (O_RDONLY)); |
3d8d56df GH |
1830 | #endif |
1831 | #ifdef O_WRONLY | |
23d72566 | 1832 | scm_c_define ("O_WRONLY", scm_from_int (O_WRONLY)); |
3d8d56df GH |
1833 | #endif |
1834 | #ifdef O_RDWR | |
23d72566 | 1835 | scm_c_define ("O_RDWR", scm_from_int (O_RDWR)); |
3d8d56df GH |
1836 | #endif |
1837 | #ifdef O_CREAT | |
23d72566 | 1838 | scm_c_define ("O_CREAT", scm_from_int (O_CREAT)); |
3d8d56df GH |
1839 | #endif |
1840 | #ifdef O_EXCL | |
23d72566 | 1841 | scm_c_define ("O_EXCL", scm_from_int (O_EXCL)); |
3d8d56df GH |
1842 | #endif |
1843 | #ifdef O_NOCTTY | |
23d72566 | 1844 | scm_c_define ("O_NOCTTY", scm_from_int (O_NOCTTY)); |
3d8d56df GH |
1845 | #endif |
1846 | #ifdef O_TRUNC | |
23d72566 | 1847 | scm_c_define ("O_TRUNC", scm_from_int (O_TRUNC)); |
3d8d56df GH |
1848 | #endif |
1849 | #ifdef O_APPEND | |
23d72566 | 1850 | scm_c_define ("O_APPEND", scm_from_int (O_APPEND)); |
3d8d56df | 1851 | #endif |
6afcd3b2 | 1852 | #ifdef O_NONBLOCK |
23d72566 | 1853 | scm_c_define ("O_NONBLOCK", scm_from_int (O_NONBLOCK)); |
3d8d56df GH |
1854 | #endif |
1855 | #ifdef O_NDELAY | |
23d72566 | 1856 | scm_c_define ("O_NDELAY", scm_from_int (O_NDELAY)); |
3d8d56df GH |
1857 | #endif |
1858 | #ifdef O_SYNC | |
23d72566 | 1859 | scm_c_define ("O_SYNC", scm_from_int (O_SYNC)); |
3d8d56df | 1860 | #endif |
23f2b9a3 | 1861 | #ifdef O_LARGEFILE |
23d72566 | 1862 | scm_c_define ("O_LARGEFILE", scm_from_int (O_LARGEFILE)); |
23f2b9a3 | 1863 | #endif |
3d8d56df | 1864 | |
4c1feaa5 | 1865 | #ifdef F_DUPFD |
23d72566 | 1866 | scm_c_define ("F_DUPFD", scm_from_int (F_DUPFD)); |
4c1feaa5 JB |
1867 | #endif |
1868 | #ifdef F_GETFD | |
23d72566 | 1869 | scm_c_define ("F_GETFD", scm_from_int (F_GETFD)); |
4c1feaa5 JB |
1870 | #endif |
1871 | #ifdef F_SETFD | |
23d72566 | 1872 | scm_c_define ("F_SETFD", scm_from_int (F_SETFD)); |
4c1feaa5 JB |
1873 | #endif |
1874 | #ifdef F_GETFL | |
23d72566 | 1875 | scm_c_define ("F_GETFL", scm_from_int (F_GETFL)); |
4c1feaa5 JB |
1876 | #endif |
1877 | #ifdef F_SETFL | |
23d72566 | 1878 | scm_c_define ("F_SETFL", scm_from_int (F_SETFL)); |
4c1feaa5 JB |
1879 | #endif |
1880 | #ifdef F_GETOWN | |
23d72566 | 1881 | scm_c_define ("F_GETOWN", scm_from_int (F_GETOWN)); |
4c1feaa5 JB |
1882 | #endif |
1883 | #ifdef F_SETOWN | |
23d72566 | 1884 | scm_c_define ("F_SETOWN", scm_from_int (F_SETOWN)); |
4c1feaa5 JB |
1885 | #endif |
1886 | #ifdef FD_CLOEXEC | |
23d72566 | 1887 | scm_c_define ("FD_CLOEXEC", scm_from_int (FD_CLOEXEC)); |
bd9e24b3 | 1888 | #endif |
073167ef LC |
1889 | #endif /* HAVE_POSIX */ |
1890 | ||
1891 | /* `access' symbols. */ | |
1892 | scm_c_define ("R_OK", scm_from_int (R_OK)); | |
1893 | scm_c_define ("W_OK", scm_from_int (W_OK)); | |
1894 | scm_c_define ("X_OK", scm_from_int (X_OK)); | |
1895 | scm_c_define ("F_OK", scm_from_int (F_OK)); | |
1896 | ||
1897 | scm_dot_string = scm_from_locale_string ("."); | |
3d8d56df | 1898 | |
a0599745 | 1899 | #include "libguile/filesys.x" |
0f2d19dd | 1900 | } |
89e00824 ML |
1901 | |
1902 | /* | |
1903 | Local Variables: | |
1904 | c-file-style: "gnu" | |
1905 | End: | |
1906 | */ |