Commit | Line | Data |
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9b36a80c | 1 | /* Substitute for and wrapper around <unistd.h>. |
af07e104 | 2 | Copyright (C) 2003-2013 Free Software Foundation, Inc. |
9b36a80c LC |
3 | |
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU Lesser General Public License as published by | |
6 | the Free Software Foundation; either version 2, or (at your option) | |
7 | any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public License | |
005de2e8 | 15 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ |
9b36a80c | 16 | |
af07e104 AW |
17 | #ifndef _@GUARD_PREFIX@_UNISTD_H |
18 | ||
9b36a80c LC |
19 | #if __GNUC__ >= 3 |
20 | @PRAGMA_SYSTEM_HEADER@ | |
21 | #endif | |
0f00f2c3 | 22 | @PRAGMA_COLUMNS@ |
9b36a80c LC |
23 | |
24 | /* The include_next requires a split double-inclusion guard. */ | |
25 | #if @HAVE_UNISTD_H@ | |
26 | # @INCLUDE_NEXT@ @NEXT_UNISTD_H@ | |
27 | #endif | |
28 | ||
a927b6c1 LC |
29 | /* Get all possible declarations of gethostname(). */ |
30 | #if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ \ | |
31 | && !defined _GL_INCLUDING_WINSOCK2_H | |
32 | # define _GL_INCLUDING_WINSOCK2_H | |
33 | # include <winsock2.h> | |
34 | # undef _GL_INCLUDING_WINSOCK2_H | |
35 | #endif | |
36 | ||
3d458a81 AW |
37 | #if !defined _@GUARD_PREFIX@_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H |
38 | #define _@GUARD_PREFIX@_UNISTD_H | |
9b36a80c | 39 | |
8912421c LC |
40 | /* NetBSD 5.0 mis-defines NULL. Also get size_t. */ |
41 | #include <stddef.h> | |
42 | ||
f240aacb | 43 | /* mingw doesn't define the SEEK_* or *_FILENO macros in <unistd.h>. */ |
61cd9dc9 LC |
44 | /* Cygwin 1.7.1 declares symlinkat in <stdio.h>, not in <unistd.h>. */ |
45 | /* But avoid namespace pollution on glibc systems. */ | |
46 | #if (!(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET) \ | |
0f00f2c3 LC |
47 | || ((@GNULIB_SYMLINKAT@ || defined GNULIB_POSIXCHECK) \ |
48 | && defined __CYGWIN__)) \ | |
61cd9dc9 | 49 | && ! defined __GLIBC__ |
9b36a80c LC |
50 | # include <stdio.h> |
51 | #endif | |
52 | ||
61cd9dc9 LC |
53 | /* Cygwin 1.7.1 declares unlinkat in <fcntl.h>, not in <unistd.h>. */ |
54 | /* But avoid namespace pollution on glibc systems. */ | |
0f00f2c3 LC |
55 | #if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) && defined __CYGWIN__ \ |
56 | && ! defined __GLIBC__ | |
61cd9dc9 LC |
57 | # include <fcntl.h> |
58 | #endif | |
59 | ||
9b36a80c | 60 | /* mingw fails to declare _exit in <unistd.h>. */ |
35428fb6 LC |
61 | /* mingw, MSVC, BeOS, Haiku declare environ in <stdlib.h>, not in |
62 | <unistd.h>. */ | |
61cd9dc9 LC |
63 | /* Solaris declares getcwd not only in <unistd.h> but also in <stdlib.h>. */ |
64 | /* But avoid namespace pollution on glibc systems. */ | |
65 | #ifndef __GLIBC__ | |
af07e104 | 66 | # define __need_system_stdlib_h |
61cd9dc9 | 67 | # include <stdlib.h> |
af07e104 | 68 | # undef __need_system_stdlib_h |
61cd9dc9 | 69 | #endif |
9b36a80c | 70 | |
35428fb6 | 71 | /* Native Windows platforms declare chdir, getcwd, rmdir in |
f0007cad LC |
72 | <io.h> and/or <direct.h>, not in <unistd.h>. |
73 | They also declare access(), chmod(), close(), dup(), dup2(), isatty(), | |
74 | lseek(), read(), unlink(), write() in <io.h>. */ | |
35428fb6 LC |
75 | #if ((@GNULIB_CHDIR@ || @GNULIB_GETCWD@ || @GNULIB_RMDIR@ \ |
76 | || defined GNULIB_POSIXCHECK) \ | |
61cd9dc9 | 77 | && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)) |
35428fb6 LC |
78 | # include <io.h> /* mingw32, mingw64 */ |
79 | # include <direct.h> /* mingw64, MSVC 9 */ | |
f0007cad LC |
80 | #elif (@GNULIB_CLOSE@ || @GNULIB_DUP@ || @GNULIB_DUP2@ || @GNULIB_ISATTY@ \ |
81 | || @GNULIB_LSEEK@ || @GNULIB_READ@ || @GNULIB_UNLINK@ || @GNULIB_WRITE@ \ | |
82 | || defined GNULIB_POSIXCHECK) \ | |
83 | && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) | |
84 | # include <io.h> | |
61cd9dc9 LC |
85 | #endif |
86 | ||
49114fd4 LC |
87 | /* AIX and OSF/1 5.1 declare getdomainname in <netdb.h>, not in <unistd.h>. |
88 | NonStop Kernel declares gethostname in <netdb.h>, not in <unistd.h>. */ | |
0f00f2c3 | 89 | /* But avoid namespace pollution on glibc systems. */ |
49114fd4 LC |
90 | #if ((@GNULIB_GETDOMAINNAME@ && (defined _AIX || defined __osf__)) \ |
91 | || (@GNULIB_GETHOSTNAME@ && defined __TANDEM)) \ | |
0f00f2c3 LC |
92 | && !defined __GLIBC__ |
93 | # include <netdb.h> | |
94 | #endif | |
95 | ||
005de2e8 LC |
96 | /* MSVC defines off_t in <sys/types.h>. |
97 | May also define off_t to a 64-bit type on native Windows. */ | |
98 | #if !@HAVE_UNISTD_H@ || @WINDOWS_64_BIT_OFF_T@ | |
35428fb6 LC |
99 | /* Get off_t. */ |
100 | # include <sys/types.h> | |
101 | #endif | |
102 | ||
dd7d0148 LC |
103 | #if (@GNULIB_READ@ || @GNULIB_WRITE@ \ |
104 | || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \ | |
a927b6c1 | 105 | || @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK) |
9b36a80c LC |
106 | /* Get ssize_t. */ |
107 | # include <sys/types.h> | |
108 | #endif | |
109 | ||
61cd9dc9 LC |
110 | /* Get getopt(), optarg, optind, opterr, optopt. |
111 | But avoid namespace pollution on glibc systems. */ | |
112 | #if @GNULIB_UNISTD_H_GETOPT@ && !defined __GLIBC__ && !defined _GL_SYSTEM_GETOPT | |
af07e104 | 113 | # define __need_getopt |
8912421c LC |
114 | # include <getopt.h> |
115 | #endif | |
116 | ||
af07e104 AW |
117 | _GL_INLINE_HEADER_BEGIN |
118 | #ifndef _GL_UNISTD_INLINE | |
119 | # define _GL_UNISTD_INLINE _GL_INLINE | |
120 | #endif | |
121 | ||
a927b6c1 LC |
122 | /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ |
123 | ||
124 | /* The definition of _GL_ARG_NONNULL is copied here. */ | |
125 | ||
126 | /* The definition of _GL_WARN_ON_USE is copied here. */ | |
127 | ||
128 | ||
35428fb6 LC |
129 | /* Hide some function declarations from <winsock2.h>. */ |
130 | ||
131 | #if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ | |
132 | # if !defined _@GUARD_PREFIX@_SYS_SOCKET_H | |
133 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
134 | # undef socket | |
135 | # define socket socket_used_without_including_sys_socket_h | |
136 | # undef connect | |
137 | # define connect connect_used_without_including_sys_socket_h | |
138 | # undef accept | |
139 | # define accept accept_used_without_including_sys_socket_h | |
140 | # undef bind | |
141 | # define bind bind_used_without_including_sys_socket_h | |
142 | # undef getpeername | |
143 | # define getpeername getpeername_used_without_including_sys_socket_h | |
144 | # undef getsockname | |
145 | # define getsockname getsockname_used_without_including_sys_socket_h | |
146 | # undef getsockopt | |
147 | # define getsockopt getsockopt_used_without_including_sys_socket_h | |
148 | # undef listen | |
149 | # define listen listen_used_without_including_sys_socket_h | |
150 | # undef recv | |
151 | # define recv recv_used_without_including_sys_socket_h | |
152 | # undef send | |
153 | # define send send_used_without_including_sys_socket_h | |
154 | # undef recvfrom | |
155 | # define recvfrom recvfrom_used_without_including_sys_socket_h | |
156 | # undef sendto | |
157 | # define sendto sendto_used_without_including_sys_socket_h | |
158 | # undef setsockopt | |
159 | # define setsockopt setsockopt_used_without_including_sys_socket_h | |
160 | # undef shutdown | |
161 | # define shutdown shutdown_used_without_including_sys_socket_h | |
162 | # else | |
163 | _GL_WARN_ON_USE (socket, | |
164 | "socket() used without including <sys/socket.h>"); | |
165 | _GL_WARN_ON_USE (connect, | |
166 | "connect() used without including <sys/socket.h>"); | |
167 | _GL_WARN_ON_USE (accept, | |
168 | "accept() used without including <sys/socket.h>"); | |
169 | _GL_WARN_ON_USE (bind, | |
170 | "bind() used without including <sys/socket.h>"); | |
171 | _GL_WARN_ON_USE (getpeername, | |
172 | "getpeername() used without including <sys/socket.h>"); | |
173 | _GL_WARN_ON_USE (getsockname, | |
174 | "getsockname() used without including <sys/socket.h>"); | |
175 | _GL_WARN_ON_USE (getsockopt, | |
176 | "getsockopt() used without including <sys/socket.h>"); | |
177 | _GL_WARN_ON_USE (listen, | |
178 | "listen() used without including <sys/socket.h>"); | |
179 | _GL_WARN_ON_USE (recv, | |
180 | "recv() used without including <sys/socket.h>"); | |
181 | _GL_WARN_ON_USE (send, | |
182 | "send() used without including <sys/socket.h>"); | |
183 | _GL_WARN_ON_USE (recvfrom, | |
184 | "recvfrom() used without including <sys/socket.h>"); | |
185 | _GL_WARN_ON_USE (sendto, | |
186 | "sendto() used without including <sys/socket.h>"); | |
187 | _GL_WARN_ON_USE (setsockopt, | |
188 | "setsockopt() used without including <sys/socket.h>"); | |
189 | _GL_WARN_ON_USE (shutdown, | |
190 | "shutdown() used without including <sys/socket.h>"); | |
9b36a80c | 191 | # endif |
35428fb6 LC |
192 | # endif |
193 | # if !defined _@GUARD_PREFIX@_SYS_SELECT_H | |
194 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
195 | # undef select | |
196 | # define select select_used_without_including_sys_select_h | |
197 | # else | |
198 | _GL_WARN_ON_USE (select, | |
199 | "select() used without including <sys/select.h>"); | |
9b36a80c LC |
200 | # endif |
201 | # endif | |
202 | #endif | |
203 | ||
9b36a80c | 204 | |
f240aacb LC |
205 | /* OS/2 EMX lacks these macros. */ |
206 | #ifndef STDIN_FILENO | |
207 | # define STDIN_FILENO 0 | |
208 | #endif | |
209 | #ifndef STDOUT_FILENO | |
210 | # define STDOUT_FILENO 1 | |
211 | #endif | |
212 | #ifndef STDERR_FILENO | |
213 | # define STDERR_FILENO 2 | |
214 | #endif | |
215 | ||
8912421c LC |
216 | /* Ensure *_OK macros exist. */ |
217 | #ifndef F_OK | |
218 | # define F_OK 0 | |
219 | # define X_OK 1 | |
220 | # define W_OK 2 | |
221 | # define R_OK 4 | |
222 | #endif | |
223 | ||
224 | ||
9b36a80c LC |
225 | /* Declare overridden functions. */ |
226 | ||
f4c79b3c LC |
227 | |
228 | #if defined GNULIB_POSIXCHECK | |
229 | /* The access() function is a security risk. */ | |
230 | _GL_WARN_ON_USE (access, "the access function is a security risk - " | |
231 | "use the gnulib module faccessat instead"); | |
9b36a80c LC |
232 | #endif |
233 | ||
234 | ||
35428fb6 LC |
235 | #if @GNULIB_CHDIR@ |
236 | _GL_CXXALIAS_SYS (chdir, int, (const char *file) _GL_ARG_NONNULL ((1))); | |
237 | _GL_CXXALIASWARN (chdir); | |
238 | #elif defined GNULIB_POSIXCHECK | |
239 | # undef chdir | |
240 | # if HAVE_RAW_DECL_CHDIR | |
241 | _GL_WARN_ON_USE (chown, "chdir is not always in <unistd.h> - " | |
242 | "use gnulib module chdir for portability"); | |
243 | # endif | |
244 | #endif | |
245 | ||
246 | ||
9b36a80c | 247 | #if @GNULIB_CHOWN@ |
9b36a80c LC |
248 | /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE |
249 | to GID (if GID is not -1). Follow symbolic links. | |
250 | Return 0 if successful, otherwise -1 and errno set. | |
35428fb6 LC |
251 | See the POSIX:2008 specification |
252 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/chown.html. */ | |
f4c79b3c LC |
253 | # if @REPLACE_CHOWN@ |
254 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
255 | # undef chown | |
256 | # define chown rpl_chown | |
257 | # endif | |
258 | _GL_FUNCDECL_RPL (chown, int, (const char *file, uid_t uid, gid_t gid) | |
259 | _GL_ARG_NONNULL ((1))); | |
260 | _GL_CXXALIAS_RPL (chown, int, (const char *file, uid_t uid, gid_t gid)); | |
261 | # else | |
262 | # if !@HAVE_CHOWN@ | |
263 | _GL_FUNCDECL_SYS (chown, int, (const char *file, uid_t uid, gid_t gid) | |
264 | _GL_ARG_NONNULL ((1))); | |
265 | # endif | |
266 | _GL_CXXALIAS_SYS (chown, int, (const char *file, uid_t uid, gid_t gid)); | |
9b36a80c | 267 | # endif |
f4c79b3c | 268 | _GL_CXXALIASWARN (chown); |
9b36a80c LC |
269 | #elif defined GNULIB_POSIXCHECK |
270 | # undef chown | |
61cd9dc9 LC |
271 | # if HAVE_RAW_DECL_CHOWN |
272 | _GL_WARN_ON_USE (chown, "chown fails to follow symlinks on some systems and " | |
273 | "doesn't treat a uid or gid of -1 on some systems - " | |
274 | "use gnulib module chown for portability"); | |
275 | # endif | |
9b36a80c LC |
276 | #endif |
277 | ||
278 | ||
279 | #if @GNULIB_CLOSE@ | |
9b36a80c LC |
280 | # if @REPLACE_CLOSE@ |
281 | /* Automatically included by modules that need a replacement for close. */ | |
f4c79b3c LC |
282 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
283 | # undef close | |
284 | # define close rpl_close | |
285 | # endif | |
286 | _GL_FUNCDECL_RPL (close, int, (int fd)); | |
287 | _GL_CXXALIAS_RPL (close, int, (int fd)); | |
288 | # else | |
289 | _GL_CXXALIAS_SYS (close, int, (int fd)); | |
9b36a80c | 290 | # endif |
f4c79b3c | 291 | _GL_CXXALIASWARN (close); |
8912421c | 292 | #elif @UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@ |
9b36a80c LC |
293 | # undef close |
294 | # define close close_used_without_requesting_gnulib_module_close | |
295 | #elif defined GNULIB_POSIXCHECK | |
296 | # undef close | |
61cd9dc9 LC |
297 | /* Assume close is always declared. */ |
298 | _GL_WARN_ON_USE (close, "close does not portably work on sockets - " | |
299 | "use gnulib module close for portability"); | |
9b36a80c LC |
300 | #endif |
301 | ||
302 | ||
35428fb6 LC |
303 | #if @GNULIB_DUP@ |
304 | # if @REPLACE_DUP@ | |
305 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
306 | # define dup rpl_dup | |
307 | # endif | |
f4c79b3c LC |
308 | _GL_FUNCDECL_RPL (dup, int, (int oldfd)); |
309 | _GL_CXXALIAS_RPL (dup, int, (int oldfd)); | |
35428fb6 | 310 | # else |
f4c79b3c | 311 | _GL_CXXALIAS_SYS (dup, int, (int oldfd)); |
35428fb6 | 312 | # endif |
f4c79b3c | 313 | _GL_CXXALIASWARN (dup); |
35428fb6 LC |
314 | #elif defined GNULIB_POSIXCHECK |
315 | # undef dup | |
316 | # if HAVE_RAW_DECL_DUP | |
317 | _GL_WARN_ON_USE (dup, "dup is unportable - " | |
318 | "use gnulib module dup for portability"); | |
319 | # endif | |
320 | #endif | |
8912421c LC |
321 | |
322 | ||
9b36a80c | 323 | #if @GNULIB_DUP2@ |
9b36a80c LC |
324 | /* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if |
325 | NEWFD = OLDFD, otherwise close NEWFD first if it is open. | |
25361e4b | 326 | Return newfd if successful, otherwise -1 and errno set. |
35428fb6 LC |
327 | See the POSIX:2008 specification |
328 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/dup2.html>. */ | |
f4c79b3c LC |
329 | # if @REPLACE_DUP2@ |
330 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
331 | # define dup2 rpl_dup2 | |
332 | # endif | |
333 | _GL_FUNCDECL_RPL (dup2, int, (int oldfd, int newfd)); | |
334 | _GL_CXXALIAS_RPL (dup2, int, (int oldfd, int newfd)); | |
335 | # else | |
336 | # if !@HAVE_DUP2@ | |
337 | _GL_FUNCDECL_SYS (dup2, int, (int oldfd, int newfd)); | |
338 | # endif | |
339 | _GL_CXXALIAS_SYS (dup2, int, (int oldfd, int newfd)); | |
9b36a80c | 340 | # endif |
f4c79b3c | 341 | _GL_CXXALIASWARN (dup2); |
9b36a80c LC |
342 | #elif defined GNULIB_POSIXCHECK |
343 | # undef dup2 | |
61cd9dc9 LC |
344 | # if HAVE_RAW_DECL_DUP2 |
345 | _GL_WARN_ON_USE (dup2, "dup2 is unportable - " | |
346 | "use gnulib module dup2 for portability"); | |
347 | # endif | |
9b36a80c LC |
348 | #endif |
349 | ||
350 | ||
8912421c LC |
351 | #if @GNULIB_DUP3@ |
352 | /* Copy the file descriptor OLDFD into file descriptor NEWFD, with the | |
353 | specified flags. | |
354 | The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>) | |
355 | and O_TEXT, O_BINARY (defined in "binary-io.h"). | |
356 | Close NEWFD first if it is open. | |
357 | Return newfd if successful, otherwise -1 and errno set. | |
358 | See the Linux man page at | |
359 | <http://www.kernel.org/doc/man-pages/online/pages/man2/dup3.2.html>. */ | |
360 | # if @HAVE_DUP3@ | |
f4c79b3c LC |
361 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
362 | # define dup3 rpl_dup3 | |
363 | # endif | |
364 | _GL_FUNCDECL_RPL (dup3, int, (int oldfd, int newfd, int flags)); | |
365 | _GL_CXXALIAS_RPL (dup3, int, (int oldfd, int newfd, int flags)); | |
366 | # else | |
367 | _GL_FUNCDECL_SYS (dup3, int, (int oldfd, int newfd, int flags)); | |
368 | _GL_CXXALIAS_SYS (dup3, int, (int oldfd, int newfd, int flags)); | |
8912421c | 369 | # endif |
f4c79b3c | 370 | _GL_CXXALIASWARN (dup3); |
8912421c LC |
371 | #elif defined GNULIB_POSIXCHECK |
372 | # undef dup3 | |
61cd9dc9 LC |
373 | # if HAVE_RAW_DECL_DUP3 |
374 | _GL_WARN_ON_USE (dup3, "dup3 is unportable - " | |
375 | "use gnulib module dup3 for portability"); | |
376 | # endif | |
8912421c LC |
377 | #endif |
378 | ||
379 | ||
9b36a80c LC |
380 | #if @GNULIB_ENVIRON@ |
381 | # if !@HAVE_DECL_ENVIRON@ | |
382 | /* Set of environment variables and values. An array of strings of the form | |
383 | "VARIABLE=VALUE", terminated with a NULL. */ | |
384 | # if defined __APPLE__ && defined __MACH__ | |
385 | # include <crt_externs.h> | |
386 | # define environ (*_NSGetEnviron ()) | |
387 | # else | |
f4c79b3c LC |
388 | # ifdef __cplusplus |
389 | extern "C" { | |
390 | # endif | |
9b36a80c | 391 | extern char **environ; |
f4c79b3c LC |
392 | # ifdef __cplusplus |
393 | } | |
394 | # endif | |
9b36a80c LC |
395 | # endif |
396 | # endif | |
397 | #elif defined GNULIB_POSIXCHECK | |
61cd9dc9 | 398 | # if HAVE_RAW_DECL_ENVIRON |
af07e104 | 399 | _GL_UNISTD_INLINE char *** |
61cd9dc9 LC |
400 | rpl_environ (void) |
401 | { | |
402 | return &environ; | |
403 | } | |
404 | _GL_WARN_ON_USE (rpl_environ, "environ is unportable - " | |
405 | "use gnulib module environ for portability"); | |
406 | # undef environ | |
407 | # define environ (*rpl_environ ()) | |
408 | # endif | |
9b36a80c LC |
409 | #endif |
410 | ||
411 | ||
412 | #if @GNULIB_EUIDACCESS@ | |
8912421c | 413 | /* Like access(), except that it uses the effective user id and group id of |
9b36a80c | 414 | the current process. */ |
f4c79b3c LC |
415 | # if !@HAVE_EUIDACCESS@ |
416 | _GL_FUNCDECL_SYS (euidaccess, int, (const char *filename, int mode) | |
417 | _GL_ARG_NONNULL ((1))); | |
418 | # endif | |
419 | _GL_CXXALIAS_SYS (euidaccess, int, (const char *filename, int mode)); | |
420 | _GL_CXXALIASWARN (euidaccess); | |
421 | # if defined GNULIB_POSIXCHECK | |
422 | /* Like access(), this function is a security risk. */ | |
423 | _GL_WARN_ON_USE (euidaccess, "the euidaccess function is a security risk - " | |
424 | "use the gnulib module faccessat instead"); | |
9b36a80c LC |
425 | # endif |
426 | #elif defined GNULIB_POSIXCHECK | |
427 | # undef euidaccess | |
61cd9dc9 LC |
428 | # if HAVE_RAW_DECL_EUIDACCESS |
429 | _GL_WARN_ON_USE (euidaccess, "euidaccess is unportable - " | |
430 | "use gnulib module euidaccess for portability"); | |
431 | # endif | |
9b36a80c LC |
432 | #endif |
433 | ||
434 | ||
8912421c LC |
435 | #if @GNULIB_FACCESSAT@ |
436 | # if !@HAVE_FACCESSAT@ | |
f4c79b3c LC |
437 | _GL_FUNCDECL_SYS (faccessat, int, |
438 | (int fd, char const *file, int mode, int flag) | |
439 | _GL_ARG_NONNULL ((2))); | |
8912421c | 440 | # endif |
f4c79b3c LC |
441 | _GL_CXXALIAS_SYS (faccessat, int, |
442 | (int fd, char const *file, int mode, int flag)); | |
443 | _GL_CXXALIASWARN (faccessat); | |
8912421c LC |
444 | #elif defined GNULIB_POSIXCHECK |
445 | # undef faccessat | |
61cd9dc9 LC |
446 | # if HAVE_RAW_DECL_FACCESSAT |
447 | _GL_WARN_ON_USE (faccessat, "faccessat is not portable - " | |
448 | "use gnulib module faccessat for portability"); | |
449 | # endif | |
8912421c LC |
450 | #endif |
451 | ||
452 | ||
9b36a80c | 453 | #if @GNULIB_FCHDIR@ |
9b36a80c LC |
454 | /* Change the process' current working directory to the directory on which |
455 | the given file descriptor is open. | |
456 | Return 0 if successful, otherwise -1 and errno set. | |
35428fb6 LC |
457 | See the POSIX:2008 specification |
458 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html>. */ | |
a927b6c1 LC |
459 | # if ! @HAVE_FCHDIR@ |
460 | _GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/)); | |
9b36a80c | 461 | |
8912421c | 462 | /* Gnulib internal hooks needed to maintain the fchdir metadata. */ |
f4c79b3c | 463 | _GL_EXTERN_C int _gl_register_fd (int fd, const char *filename) |
1cd4fffc | 464 | _GL_ARG_NONNULL ((2)); |
f4c79b3c LC |
465 | _GL_EXTERN_C void _gl_unregister_fd (int fd); |
466 | _GL_EXTERN_C int _gl_register_dup (int oldfd, int newfd); | |
467 | _GL_EXTERN_C const char *_gl_directory_name (int fd); | |
9b36a80c | 468 | |
ab4d62ad LC |
469 | # else |
470 | # if !@HAVE_DECL_FCHDIR@ | |
471 | _GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/)); | |
472 | # endif | |
9b36a80c | 473 | # endif |
a927b6c1 | 474 | _GL_CXXALIAS_SYS (fchdir, int, (int /*fd*/)); |
f4c79b3c | 475 | _GL_CXXALIASWARN (fchdir); |
9b36a80c LC |
476 | #elif defined GNULIB_POSIXCHECK |
477 | # undef fchdir | |
61cd9dc9 LC |
478 | # if HAVE_RAW_DECL_FCHDIR |
479 | _GL_WARN_ON_USE (fchdir, "fchdir is unportable - " | |
480 | "use gnulib module fchdir for portability"); | |
481 | # endif | |
9b36a80c LC |
482 | #endif |
483 | ||
484 | ||
8912421c LC |
485 | #if @GNULIB_FCHOWNAT@ |
486 | # if @REPLACE_FCHOWNAT@ | |
f4c79b3c LC |
487 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
488 | # undef fchownat | |
489 | # define fchownat rpl_fchownat | |
490 | # endif | |
491 | _GL_FUNCDECL_RPL (fchownat, int, (int fd, char const *file, | |
492 | uid_t owner, gid_t group, int flag) | |
493 | _GL_ARG_NONNULL ((2))); | |
494 | _GL_CXXALIAS_RPL (fchownat, int, (int fd, char const *file, | |
495 | uid_t owner, gid_t group, int flag)); | |
496 | # else | |
497 | # if !@HAVE_FCHOWNAT@ | |
498 | _GL_FUNCDECL_SYS (fchownat, int, (int fd, char const *file, | |
499 | uid_t owner, gid_t group, int flag) | |
500 | _GL_ARG_NONNULL ((2))); | |
501 | # endif | |
502 | _GL_CXXALIAS_SYS (fchownat, int, (int fd, char const *file, | |
503 | uid_t owner, gid_t group, int flag)); | |
8912421c | 504 | # endif |
f4c79b3c | 505 | _GL_CXXALIASWARN (fchownat); |
8912421c LC |
506 | #elif defined GNULIB_POSIXCHECK |
507 | # undef fchownat | |
61cd9dc9 LC |
508 | # if HAVE_RAW_DECL_FCHOWNAT |
509 | _GL_WARN_ON_USE (fchownat, "fchownat is not portable - " | |
510 | "use gnulib module openat for portability"); | |
511 | # endif | |
8912421c LC |
512 | #endif |
513 | ||
514 | ||
35428fb6 | 515 | #if @GNULIB_FDATASYNC@ |
9b36a80c LC |
516 | /* Synchronize changes to a file. |
517 | Return 0 if successful, otherwise -1 and errno set. | |
35428fb6 LC |
518 | See POSIX:2008 specification |
519 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. */ | |
520 | # if !@HAVE_FDATASYNC@ || !@HAVE_DECL_FDATASYNC@ | |
521 | _GL_FUNCDECL_SYS (fdatasync, int, (int fd)); | |
522 | # endif | |
523 | _GL_CXXALIAS_SYS (fdatasync, int, (int fd)); | |
524 | _GL_CXXALIASWARN (fdatasync); | |
525 | #elif defined GNULIB_POSIXCHECK | |
526 | # undef fdatasync | |
527 | # if HAVE_RAW_DECL_FDATASYNC | |
528 | _GL_WARN_ON_USE (fdatasync, "fdatasync is unportable - " | |
529 | "use gnulib module fdatasync for portability"); | |
530 | # endif | |
531 | #endif | |
532 | ||
533 | ||
534 | #if @GNULIB_FSYNC@ | |
535 | /* Synchronize changes, including metadata, to a file. | |
536 | Return 0 if successful, otherwise -1 and errno set. | |
537 | See POSIX:2008 specification | |
538 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fsync.html>. */ | |
9b36a80c | 539 | # if !@HAVE_FSYNC@ |
f4c79b3c | 540 | _GL_FUNCDECL_SYS (fsync, int, (int fd)); |
9b36a80c | 541 | # endif |
f4c79b3c LC |
542 | _GL_CXXALIAS_SYS (fsync, int, (int fd)); |
543 | _GL_CXXALIASWARN (fsync); | |
9b36a80c LC |
544 | #elif defined GNULIB_POSIXCHECK |
545 | # undef fsync | |
61cd9dc9 LC |
546 | # if HAVE_RAW_DECL_FSYNC |
547 | _GL_WARN_ON_USE (fsync, "fsync is unportable - " | |
548 | "use gnulib module fsync for portability"); | |
549 | # endif | |
9b36a80c LC |
550 | #endif |
551 | ||
552 | ||
553 | #if @GNULIB_FTRUNCATE@ | |
9b36a80c LC |
554 | /* Change the size of the file to which FD is opened to become equal to LENGTH. |
555 | Return 0 if successful, otherwise -1 and errno set. | |
35428fb6 LC |
556 | See the POSIX:2008 specification |
557 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>. */ | |
005de2e8 LC |
558 | # if @REPLACE_FTRUNCATE@ |
559 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
560 | # undef ftruncate | |
561 | # define ftruncate rpl_ftruncate | |
562 | # endif | |
563 | _GL_FUNCDECL_RPL (ftruncate, int, (int fd, off_t length)); | |
564 | _GL_CXXALIAS_RPL (ftruncate, int, (int fd, off_t length)); | |
565 | # else | |
566 | # if !@HAVE_FTRUNCATE@ | |
f4c79b3c | 567 | _GL_FUNCDECL_SYS (ftruncate, int, (int fd, off_t length)); |
005de2e8 | 568 | # endif |
f4c79b3c | 569 | _GL_CXXALIAS_SYS (ftruncate, int, (int fd, off_t length)); |
005de2e8 | 570 | # endif |
f4c79b3c | 571 | _GL_CXXALIASWARN (ftruncate); |
9b36a80c LC |
572 | #elif defined GNULIB_POSIXCHECK |
573 | # undef ftruncate | |
61cd9dc9 LC |
574 | # if HAVE_RAW_DECL_FTRUNCATE |
575 | _GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - " | |
576 | "use gnulib module ftruncate for portability"); | |
577 | # endif | |
9b36a80c LC |
578 | #endif |
579 | ||
580 | ||
581 | #if @GNULIB_GETCWD@ | |
9b36a80c LC |
582 | /* Get the name of the current working directory, and put it in SIZE bytes |
583 | of BUF. | |
584 | Return BUF if successful, or NULL if the directory couldn't be determined | |
585 | or SIZE was too small. | |
35428fb6 LC |
586 | See the POSIX:2008 specification |
587 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/getcwd.html>. | |
9b36a80c LC |
588 | Additionally, the gnulib module 'getcwd' guarantees the following GNU |
589 | extension: If BUF is NULL, an array is allocated with 'malloc'; the array | |
590 | is SIZE bytes long, unless SIZE == 0, in which case it is as big as | |
591 | necessary. */ | |
f4c79b3c LC |
592 | # if @REPLACE_GETCWD@ |
593 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
594 | # define getcwd rpl_getcwd | |
595 | # endif | |
596 | _GL_FUNCDECL_RPL (getcwd, char *, (char *buf, size_t size)); | |
597 | _GL_CXXALIAS_RPL (getcwd, char *, (char *buf, size_t size)); | |
598 | # else | |
a927b6c1 LC |
599 | /* Need to cast, because on mingw, the second parameter is |
600 | int size. */ | |
601 | _GL_CXXALIAS_SYS_CAST (getcwd, char *, (char *buf, size_t size)); | |
9b36a80c | 602 | # endif |
f4c79b3c | 603 | _GL_CXXALIASWARN (getcwd); |
9b36a80c LC |
604 | #elif defined GNULIB_POSIXCHECK |
605 | # undef getcwd | |
61cd9dc9 LC |
606 | # if HAVE_RAW_DECL_GETCWD |
607 | _GL_WARN_ON_USE (getcwd, "getcwd is unportable - " | |
608 | "use gnulib module getcwd for portability"); | |
609 | # endif | |
9b36a80c LC |
610 | #endif |
611 | ||
612 | ||
613 | #if @GNULIB_GETDOMAINNAME@ | |
614 | /* Return the NIS domain name of the machine. | |
615 | WARNING! The NIS domain name is unrelated to the fully qualified host name | |
616 | of the machine. It is also unrelated to email addresses. | |
617 | WARNING! The NIS domain name is usually the empty string or "(none)" when | |
618 | not using NIS. | |
619 | ||
620 | Put up to LEN bytes of the NIS domain name into NAME. | |
621 | Null terminate it if the name is shorter than LEN. | |
622 | If the NIS domain name is longer than LEN, set errno = EINVAL and return -1. | |
623 | Return 0 if successful, otherwise set errno and return -1. */ | |
0f00f2c3 LC |
624 | # if @REPLACE_GETDOMAINNAME@ |
625 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
626 | # undef getdomainname | |
627 | # define getdomainname rpl_getdomainname | |
628 | # endif | |
629 | _GL_FUNCDECL_RPL (getdomainname, int, (char *name, size_t len) | |
630 | _GL_ARG_NONNULL ((1))); | |
631 | _GL_CXXALIAS_RPL (getdomainname, int, (char *name, size_t len)); | |
632 | # else | |
633 | # if !@HAVE_DECL_GETDOMAINNAME@ | |
f4c79b3c LC |
634 | _GL_FUNCDECL_SYS (getdomainname, int, (char *name, size_t len) |
635 | _GL_ARG_NONNULL ((1))); | |
0f00f2c3 LC |
636 | # endif |
637 | _GL_CXXALIAS_SYS (getdomainname, int, (char *name, size_t len)); | |
9b36a80c | 638 | # endif |
f4c79b3c | 639 | _GL_CXXALIASWARN (getdomainname); |
9b36a80c LC |
640 | #elif defined GNULIB_POSIXCHECK |
641 | # undef getdomainname | |
61cd9dc9 LC |
642 | # if HAVE_RAW_DECL_GETDOMAINNAME |
643 | _GL_WARN_ON_USE (getdomainname, "getdomainname is unportable - " | |
644 | "use gnulib module getdomainname for portability"); | |
645 | # endif | |
9b36a80c LC |
646 | #endif |
647 | ||
648 | ||
649 | #if @GNULIB_GETDTABLESIZE@ | |
8912421c LC |
650 | /* Return the maximum number of file descriptors in the current process. |
651 | In POSIX, this is same as sysconf (_SC_OPEN_MAX). */ | |
f4c79b3c LC |
652 | # if !@HAVE_GETDTABLESIZE@ |
653 | _GL_FUNCDECL_SYS (getdtablesize, int, (void)); | |
9b36a80c | 654 | # endif |
f4c79b3c LC |
655 | _GL_CXXALIAS_SYS (getdtablesize, int, (void)); |
656 | _GL_CXXALIASWARN (getdtablesize); | |
9b36a80c LC |
657 | #elif defined GNULIB_POSIXCHECK |
658 | # undef getdtablesize | |
61cd9dc9 LC |
659 | # if HAVE_RAW_DECL_GETDTABLESIZE |
660 | _GL_WARN_ON_USE (getdtablesize, "getdtablesize is unportable - " | |
661 | "use gnulib module getdtablesize for portability"); | |
662 | # endif | |
9b36a80c LC |
663 | #endif |
664 | ||
665 | ||
f29ded4b | 666 | #if @GNULIB_GETGROUPS@ |
f29ded4b LC |
667 | /* Return the supplemental groups that the current process belongs to. |
668 | It is unspecified whether the effective group id is in the list. | |
669 | If N is 0, return the group count; otherwise, N describes how many | |
670 | entries are available in GROUPS. Return -1 and set errno if N is | |
671 | not 0 and not large enough. Fails with ENOSYS on some systems. */ | |
f4c79b3c LC |
672 | # if @REPLACE_GETGROUPS@ |
673 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
674 | # undef getgroups | |
675 | # define getgroups rpl_getgroups | |
676 | # endif | |
677 | _GL_FUNCDECL_RPL (getgroups, int, (int n, gid_t *groups)); | |
678 | _GL_CXXALIAS_RPL (getgroups, int, (int n, gid_t *groups)); | |
679 | # else | |
680 | # if !@HAVE_GETGROUPS@ | |
681 | _GL_FUNCDECL_SYS (getgroups, int, (int n, gid_t *groups)); | |
682 | # endif | |
683 | _GL_CXXALIAS_SYS (getgroups, int, (int n, gid_t *groups)); | |
f29ded4b | 684 | # endif |
f4c79b3c | 685 | _GL_CXXALIASWARN (getgroups); |
f29ded4b LC |
686 | #elif defined GNULIB_POSIXCHECK |
687 | # undef getgroups | |
61cd9dc9 LC |
688 | # if HAVE_RAW_DECL_GETGROUPS |
689 | _GL_WARN_ON_USE (getgroups, "getgroups is unportable - " | |
690 | "use gnulib module getgroups for portability"); | |
691 | # endif | |
f29ded4b LC |
692 | #endif |
693 | ||
694 | ||
9b36a80c LC |
695 | #if @GNULIB_GETHOSTNAME@ |
696 | /* Return the standard host name of the machine. | |
697 | WARNING! The host name may or may not be fully qualified. | |
698 | ||
699 | Put up to LEN bytes of the host name into NAME. | |
700 | Null terminate it if the name is shorter than LEN. | |
701 | If the host name is longer than LEN, set errno = EINVAL and return -1. | |
702 | Return 0 if successful, otherwise set errno and return -1. */ | |
703 | # if @UNISTD_H_HAVE_WINSOCK2_H@ | |
f4c79b3c LC |
704 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
705 | # undef gethostname | |
706 | # define gethostname rpl_gethostname | |
707 | # endif | |
708 | _GL_FUNCDECL_RPL (gethostname, int, (char *name, size_t len) | |
709 | _GL_ARG_NONNULL ((1))); | |
710 | _GL_CXXALIAS_RPL (gethostname, int, (char *name, size_t len)); | |
711 | # else | |
712 | # if !@HAVE_GETHOSTNAME@ | |
713 | _GL_FUNCDECL_SYS (gethostname, int, (char *name, size_t len) | |
714 | _GL_ARG_NONNULL ((1))); | |
715 | # endif | |
ab4d62ad LC |
716 | /* Need to cast, because on Solaris 10 and OSF/1 5.1 systems, the second |
717 | parameter is | |
f4c79b3c LC |
718 | int len. */ |
719 | _GL_CXXALIAS_SYS_CAST (gethostname, int, (char *name, size_t len)); | |
9b36a80c | 720 | # endif |
f4c79b3c | 721 | _GL_CXXALIASWARN (gethostname); |
9b36a80c LC |
722 | #elif @UNISTD_H_HAVE_WINSOCK2_H@ |
723 | # undef gethostname | |
724 | # define gethostname gethostname_used_without_requesting_gnulib_module_gethostname | |
725 | #elif defined GNULIB_POSIXCHECK | |
726 | # undef gethostname | |
61cd9dc9 LC |
727 | # if HAVE_RAW_DECL_GETHOSTNAME |
728 | _GL_WARN_ON_USE (gethostname, "gethostname is unportable - " | |
729 | "use gnulib module gethostname for portability"); | |
730 | # endif | |
731 | #endif | |
732 | ||
733 | ||
734 | #if @GNULIB_GETLOGIN@ | |
735 | /* Returns the user's login name, or NULL if it cannot be found. Upon error, | |
736 | returns NULL with errno set. | |
737 | ||
738 | See <http://www.opengroup.org/susv3xsh/getlogin.html>. | |
739 | ||
740 | Most programs don't need to use this function, because the information is | |
741 | available through environment variables: | |
742 | ${LOGNAME-$USER} on Unix platforms, | |
743 | $USERNAME on native Windows platforms. | |
744 | */ | |
745 | # if !@HAVE_GETLOGIN@ | |
f4c79b3c | 746 | _GL_FUNCDECL_SYS (getlogin, char *, (void)); |
61cd9dc9 | 747 | # endif |
f4c79b3c LC |
748 | _GL_CXXALIAS_SYS (getlogin, char *, (void)); |
749 | _GL_CXXALIASWARN (getlogin); | |
61cd9dc9 LC |
750 | #elif defined GNULIB_POSIXCHECK |
751 | # undef getlogin | |
752 | # if HAVE_RAW_DECL_GETLOGIN | |
753 | _GL_WARN_ON_USE (getlogin, "getlogin is unportable - " | |
754 | "use gnulib module getlogin for portability"); | |
755 | # endif | |
9b36a80c LC |
756 | #endif |
757 | ||
758 | ||
759 | #if @GNULIB_GETLOGIN_R@ | |
760 | /* Copies the user's login name to NAME. | |
761 | The array pointed to by NAME has room for SIZE bytes. | |
762 | ||
763 | Returns 0 if successful. Upon error, an error number is returned, or -1 in | |
764 | the case that the login name cannot be found but no specific error is | |
765 | provided (this case is hopefully rare but is left open by the POSIX spec). | |
766 | ||
767 | See <http://www.opengroup.org/susv3xsh/getlogin.html>. | |
61cd9dc9 LC |
768 | |
769 | Most programs don't need to use this function, because the information is | |
770 | available through environment variables: | |
771 | ${LOGNAME-$USER} on Unix platforms, | |
772 | $USERNAME on native Windows platforms. | |
9b36a80c | 773 | */ |
49114fd4 LC |
774 | # if @REPLACE_GETLOGIN_R@ |
775 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
776 | # define getlogin_r rpl_getlogin_r | |
777 | # endif | |
778 | _GL_FUNCDECL_RPL (getlogin_r, int, (char *name, size_t size) | |
779 | _GL_ARG_NONNULL ((1))); | |
780 | _GL_CXXALIAS_RPL (getlogin_r, int, (char *name, size_t size)); | |
781 | # else | |
782 | # if !@HAVE_DECL_GETLOGIN_R@ | |
f4c79b3c LC |
783 | _GL_FUNCDECL_SYS (getlogin_r, int, (char *name, size_t size) |
784 | _GL_ARG_NONNULL ((1))); | |
49114fd4 | 785 | # endif |
f4c79b3c LC |
786 | /* Need to cast, because on Solaris 10 systems, the second argument is |
787 | int size. */ | |
788 | _GL_CXXALIAS_SYS_CAST (getlogin_r, int, (char *name, size_t size)); | |
49114fd4 | 789 | # endif |
f4c79b3c | 790 | _GL_CXXALIASWARN (getlogin_r); |
9b36a80c LC |
791 | #elif defined GNULIB_POSIXCHECK |
792 | # undef getlogin_r | |
61cd9dc9 LC |
793 | # if HAVE_RAW_DECL_GETLOGIN_R |
794 | _GL_WARN_ON_USE (getlogin_r, "getlogin_r is unportable - " | |
795 | "use gnulib module getlogin_r for portability"); | |
796 | # endif | |
9b36a80c LC |
797 | #endif |
798 | ||
799 | ||
800 | #if @GNULIB_GETPAGESIZE@ | |
801 | # if @REPLACE_GETPAGESIZE@ | |
f4c79b3c LC |
802 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
803 | # define getpagesize rpl_getpagesize | |
9b36a80c | 804 | # endif |
f4c79b3c LC |
805 | _GL_FUNCDECL_RPL (getpagesize, int, (void)); |
806 | _GL_CXXALIAS_RPL (getpagesize, int, (void)); | |
807 | # else | |
808 | # if !@HAVE_GETPAGESIZE@ | |
809 | # if !defined getpagesize | |
810 | /* This is for POSIX systems. */ | |
811 | # if !defined _gl_getpagesize && defined _SC_PAGESIZE | |
812 | # if ! (defined __VMS && __VMS_VER < 70000000) | |
813 | # define _gl_getpagesize() sysconf (_SC_PAGESIZE) | |
814 | # endif | |
815 | # endif | |
9b36a80c | 816 | /* This is for older VMS. */ |
f4c79b3c LC |
817 | # if !defined _gl_getpagesize && defined __VMS |
818 | # ifdef __ALPHA | |
819 | # define _gl_getpagesize() 8192 | |
820 | # else | |
821 | # define _gl_getpagesize() 512 | |
822 | # endif | |
823 | # endif | |
9b36a80c | 824 | /* This is for BeOS. */ |
f4c79b3c LC |
825 | # if !defined _gl_getpagesize && @HAVE_OS_H@ |
826 | # include <OS.h> | |
827 | # if defined B_PAGE_SIZE | |
828 | # define _gl_getpagesize() B_PAGE_SIZE | |
829 | # endif | |
830 | # endif | |
9b36a80c | 831 | /* This is for AmigaOS4.0. */ |
f4c79b3c LC |
832 | # if !defined _gl_getpagesize && defined __amigaos4__ |
833 | # define _gl_getpagesize() 2048 | |
834 | # endif | |
9b36a80c | 835 | /* This is for older Unix systems. */ |
f4c79b3c LC |
836 | # if !defined _gl_getpagesize && @HAVE_SYS_PARAM_H@ |
837 | # include <sys/param.h> | |
838 | # ifdef EXEC_PAGESIZE | |
839 | # define _gl_getpagesize() EXEC_PAGESIZE | |
840 | # else | |
841 | # ifdef NBPG | |
842 | # ifndef CLSIZE | |
843 | # define CLSIZE 1 | |
844 | # endif | |
845 | # define _gl_getpagesize() (NBPG * CLSIZE) | |
846 | # else | |
847 | # ifdef NBPC | |
848 | # define _gl_getpagesize() NBPC | |
849 | # endif | |
850 | # endif | |
9b36a80c | 851 | # endif |
f4c79b3c LC |
852 | # endif |
853 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
854 | # define getpagesize() _gl_getpagesize () | |
9b36a80c | 855 | # else |
49114fd4 | 856 | # if !GNULIB_defined_getpagesize_function |
af07e104 | 857 | _GL_UNISTD_INLINE int |
f4c79b3c LC |
858 | getpagesize () |
859 | { | |
860 | return _gl_getpagesize (); | |
861 | } | |
49114fd4 LC |
862 | # define GNULIB_defined_getpagesize_function 1 |
863 | # endif | |
9b36a80c LC |
864 | # endif |
865 | # endif | |
866 | # endif | |
f4c79b3c LC |
867 | /* Need to cast, because on Cygwin 1.5.x systems, the return type is size_t. */ |
868 | _GL_CXXALIAS_SYS_CAST (getpagesize, int, (void)); | |
9b36a80c | 869 | # endif |
a927b6c1 | 870 | # if @HAVE_DECL_GETPAGESIZE@ |
f4c79b3c | 871 | _GL_CXXALIASWARN (getpagesize); |
a927b6c1 | 872 | # endif |
9b36a80c LC |
873 | #elif defined GNULIB_POSIXCHECK |
874 | # undef getpagesize | |
61cd9dc9 LC |
875 | # if HAVE_RAW_DECL_GETPAGESIZE |
876 | _GL_WARN_ON_USE (getpagesize, "getpagesize is unportable - " | |
877 | "use gnulib module getpagesize for portability"); | |
878 | # endif | |
9b36a80c LC |
879 | #endif |
880 | ||
881 | ||
882 | #if @GNULIB_GETUSERSHELL@ | |
9b36a80c LC |
883 | /* Return the next valid login shell on the system, or NULL when the end of |
884 | the list has been reached. */ | |
a927b6c1 | 885 | # if !@HAVE_DECL_GETUSERSHELL@ |
f4c79b3c | 886 | _GL_FUNCDECL_SYS (getusershell, char *, (void)); |
9b36a80c | 887 | # endif |
f4c79b3c LC |
888 | _GL_CXXALIAS_SYS (getusershell, char *, (void)); |
889 | _GL_CXXALIASWARN (getusershell); | |
9b36a80c LC |
890 | #elif defined GNULIB_POSIXCHECK |
891 | # undef getusershell | |
61cd9dc9 LC |
892 | # if HAVE_RAW_DECL_GETUSERSHELL |
893 | _GL_WARN_ON_USE (getusershell, "getusershell is unportable - " | |
894 | "use gnulib module getusershell for portability"); | |
895 | # endif | |
f4c79b3c LC |
896 | #endif |
897 | ||
898 | #if @GNULIB_GETUSERSHELL@ | |
899 | /* Rewind to pointer that is advanced at each getusershell() call. */ | |
a927b6c1 | 900 | # if !@HAVE_DECL_GETUSERSHELL@ |
f4c79b3c LC |
901 | _GL_FUNCDECL_SYS (setusershell, void, (void)); |
902 | # endif | |
903 | _GL_CXXALIAS_SYS (setusershell, void, (void)); | |
904 | _GL_CXXALIASWARN (setusershell); | |
905 | #elif defined GNULIB_POSIXCHECK | |
9b36a80c | 906 | # undef setusershell |
61cd9dc9 LC |
907 | # if HAVE_RAW_DECL_SETUSERSHELL |
908 | _GL_WARN_ON_USE (setusershell, "setusershell is unportable - " | |
909 | "use gnulib module getusershell for portability"); | |
910 | # endif | |
f4c79b3c LC |
911 | #endif |
912 | ||
913 | #if @GNULIB_GETUSERSHELL@ | |
914 | /* Free the pointer that is advanced at each getusershell() call and | |
915 | associated resources. */ | |
a927b6c1 | 916 | # if !@HAVE_DECL_GETUSERSHELL@ |
f4c79b3c LC |
917 | _GL_FUNCDECL_SYS (endusershell, void, (void)); |
918 | # endif | |
919 | _GL_CXXALIAS_SYS (endusershell, void, (void)); | |
920 | _GL_CXXALIASWARN (endusershell); | |
921 | #elif defined GNULIB_POSIXCHECK | |
9b36a80c | 922 | # undef endusershell |
61cd9dc9 LC |
923 | # if HAVE_RAW_DECL_ENDUSERSHELL |
924 | _GL_WARN_ON_USE (endusershell, "endusershell is unportable - " | |
925 | "use gnulib module getusershell for portability"); | |
926 | # endif | |
9b36a80c LC |
927 | #endif |
928 | ||
929 | ||
3d458a81 AW |
930 | #if @GNULIB_GROUP_MEMBER@ |
931 | /* Determine whether group id is in calling user's group list. */ | |
932 | # if !@HAVE_GROUP_MEMBER@ | |
933 | _GL_FUNCDECL_SYS (group_member, int, (gid_t gid)); | |
934 | # endif | |
935 | _GL_CXXALIAS_SYS (group_member, int, (gid_t gid)); | |
936 | _GL_CXXALIASWARN (group_member); | |
937 | #elif defined GNULIB_POSIXCHECK | |
938 | # undef group_member | |
939 | # if HAVE_RAW_DECL_GROUP_MEMBER | |
940 | _GL_WARN_ON_USE (group_member, "group_member is unportable - " | |
941 | "use gnulib module group-member for portability"); | |
942 | # endif | |
943 | #endif | |
944 | ||
945 | ||
f0007cad LC |
946 | #if @GNULIB_ISATTY@ |
947 | # if @REPLACE_ISATTY@ | |
948 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
949 | # undef isatty | |
950 | # define isatty rpl_isatty | |
951 | # endif | |
952 | _GL_FUNCDECL_RPL (isatty, int, (int fd)); | |
953 | _GL_CXXALIAS_RPL (isatty, int, (int fd)); | |
954 | # else | |
955 | _GL_CXXALIAS_SYS (isatty, int, (int fd)); | |
956 | # endif | |
957 | _GL_CXXALIASWARN (isatty); | |
958 | #elif defined GNULIB_POSIXCHECK | |
959 | # undef isatty | |
960 | # if HAVE_RAW_DECL_ISATTY | |
961 | _GL_WARN_ON_USE (isatty, "isatty has portability problems on native Windows - " | |
962 | "use gnulib module isatty for portability"); | |
963 | # endif | |
964 | #endif | |
965 | ||
966 | ||
9b36a80c | 967 | #if @GNULIB_LCHOWN@ |
9b36a80c LC |
968 | /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE |
969 | to GID (if GID is not -1). Do not follow symbolic links. | |
970 | Return 0 if successful, otherwise -1 and errno set. | |
35428fb6 LC |
971 | See the POSIX:2008 specification |
972 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lchown.html>. */ | |
f4c79b3c LC |
973 | # if @REPLACE_LCHOWN@ |
974 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
975 | # undef lchown | |
976 | # define lchown rpl_lchown | |
977 | # endif | |
978 | _GL_FUNCDECL_RPL (lchown, int, (char const *file, uid_t owner, gid_t group) | |
979 | _GL_ARG_NONNULL ((1))); | |
980 | _GL_CXXALIAS_RPL (lchown, int, (char const *file, uid_t owner, gid_t group)); | |
981 | # else | |
982 | # if !@HAVE_LCHOWN@ | |
983 | _GL_FUNCDECL_SYS (lchown, int, (char const *file, uid_t owner, gid_t group) | |
984 | _GL_ARG_NONNULL ((1))); | |
985 | # endif | |
986 | _GL_CXXALIAS_SYS (lchown, int, (char const *file, uid_t owner, gid_t group)); | |
9b36a80c | 987 | # endif |
f4c79b3c | 988 | _GL_CXXALIASWARN (lchown); |
9b36a80c LC |
989 | #elif defined GNULIB_POSIXCHECK |
990 | # undef lchown | |
61cd9dc9 LC |
991 | # if HAVE_RAW_DECL_LCHOWN |
992 | _GL_WARN_ON_USE (lchown, "lchown is unportable to pre-POSIX.1-2001 systems - " | |
993 | "use gnulib module lchown for portability"); | |
994 | # endif | |
9b36a80c LC |
995 | #endif |
996 | ||
997 | ||
f240aacb LC |
998 | #if @GNULIB_LINK@ |
999 | /* Create a new hard link for an existing file. | |
1000 | Return 0 if successful, otherwise -1 and errno set. | |
35428fb6 LC |
1001 | See POSIX:2008 specification |
1002 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html>. */ | |
f4c79b3c LC |
1003 | # if @REPLACE_LINK@ |
1004 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
1005 | # define link rpl_link | |
1006 | # endif | |
1007 | _GL_FUNCDECL_RPL (link, int, (const char *path1, const char *path2) | |
1008 | _GL_ARG_NONNULL ((1, 2))); | |
1009 | _GL_CXXALIAS_RPL (link, int, (const char *path1, const char *path2)); | |
1010 | # else | |
1011 | # if !@HAVE_LINK@ | |
1012 | _GL_FUNCDECL_SYS (link, int, (const char *path1, const char *path2) | |
1013 | _GL_ARG_NONNULL ((1, 2))); | |
1014 | # endif | |
1015 | _GL_CXXALIAS_SYS (link, int, (const char *path1, const char *path2)); | |
f240aacb | 1016 | # endif |
f4c79b3c | 1017 | _GL_CXXALIASWARN (link); |
f240aacb LC |
1018 | #elif defined GNULIB_POSIXCHECK |
1019 | # undef link | |
61cd9dc9 LC |
1020 | # if HAVE_RAW_DECL_LINK |
1021 | _GL_WARN_ON_USE (link, "link is unportable - " | |
1022 | "use gnulib module link for portability"); | |
1023 | # endif | |
f240aacb LC |
1024 | #endif |
1025 | ||
f4c79b3c | 1026 | |
8912421c | 1027 | #if @GNULIB_LINKAT@ |
8912421c LC |
1028 | /* Create a new hard link for an existing file, relative to two |
1029 | directories. FLAG controls whether symlinks are followed. | |
1030 | Return 0 if successful, otherwise -1 and errno set. */ | |
f4c79b3c LC |
1031 | # if @REPLACE_LINKAT@ |
1032 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
1033 | # undef linkat | |
1034 | # define linkat rpl_linkat | |
1035 | # endif | |
1036 | _GL_FUNCDECL_RPL (linkat, int, | |
1037 | (int fd1, const char *path1, int fd2, const char *path2, | |
1cd4fffc | 1038 | int flag) |
f4c79b3c LC |
1039 | _GL_ARG_NONNULL ((2, 4))); |
1040 | _GL_CXXALIAS_RPL (linkat, int, | |
1041 | (int fd1, const char *path1, int fd2, const char *path2, | |
1042 | int flag)); | |
1043 | # else | |
1044 | # if !@HAVE_LINKAT@ | |
1045 | _GL_FUNCDECL_SYS (linkat, int, | |
1046 | (int fd1, const char *path1, int fd2, const char *path2, | |
1047 | int flag) | |
1048 | _GL_ARG_NONNULL ((2, 4))); | |
1049 | # endif | |
1050 | _GL_CXXALIAS_SYS (linkat, int, | |
1051 | (int fd1, const char *path1, int fd2, const char *path2, | |
1052 | int flag)); | |
8912421c | 1053 | # endif |
f4c79b3c | 1054 | _GL_CXXALIASWARN (linkat); |
8912421c LC |
1055 | #elif defined GNULIB_POSIXCHECK |
1056 | # undef linkat | |
61cd9dc9 LC |
1057 | # if HAVE_RAW_DECL_LINKAT |
1058 | _GL_WARN_ON_USE (linkat, "linkat is unportable - " | |
1059 | "use gnulib module linkat for portability"); | |
1060 | # endif | |
8912421c | 1061 | #endif |
f240aacb | 1062 | |
f4c79b3c | 1063 | |
9b36a80c | 1064 | #if @GNULIB_LSEEK@ |
9b36a80c LC |
1065 | /* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END. |
1066 | Return the new offset if successful, otherwise -1 and errno set. | |
35428fb6 LC |
1067 | See the POSIX:2008 specification |
1068 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html>. */ | |
f4c79b3c LC |
1069 | # if @REPLACE_LSEEK@ |
1070 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
1071 | # define lseek rpl_lseek | |
1072 | # endif | |
1073 | _GL_FUNCDECL_RPL (lseek, off_t, (int fd, off_t offset, int whence)); | |
1074 | _GL_CXXALIAS_RPL (lseek, off_t, (int fd, off_t offset, int whence)); | |
1075 | # else | |
1076 | _GL_CXXALIAS_SYS (lseek, off_t, (int fd, off_t offset, int whence)); | |
9b36a80c | 1077 | # endif |
f4c79b3c | 1078 | _GL_CXXALIASWARN (lseek); |
9b36a80c LC |
1079 | #elif defined GNULIB_POSIXCHECK |
1080 | # undef lseek | |
61cd9dc9 LC |
1081 | # if HAVE_RAW_DECL_LSEEK |
1082 | _GL_WARN_ON_USE (lseek, "lseek does not fail with ESPIPE on pipes on some " | |
1083 | "systems - use gnulib module lseek for portability"); | |
1084 | # endif | |
9b36a80c LC |
1085 | #endif |
1086 | ||
1087 | ||
ab4d62ad LC |
1088 | #if @GNULIB_PIPE@ |
1089 | /* Create a pipe, defaulting to O_BINARY mode. | |
1090 | Store the read-end as fd[0] and the write-end as fd[1]. | |
1091 | Return 0 upon success, or -1 with errno set upon failure. */ | |
1092 | # if !@HAVE_PIPE@ | |
1093 | _GL_FUNCDECL_SYS (pipe, int, (int fd[2]) _GL_ARG_NONNULL ((1))); | |
1094 | # endif | |
1095 | _GL_CXXALIAS_SYS (pipe, int, (int fd[2])); | |
1096 | _GL_CXXALIASWARN (pipe); | |
1097 | #elif defined GNULIB_POSIXCHECK | |
1098 | # undef pipe | |
1099 | # if HAVE_RAW_DECL_PIPE | |
1100 | _GL_WARN_ON_USE (pipe, "pipe is unportable - " | |
1101 | "use gnulib module pipe-posix for portability"); | |
1102 | # endif | |
1103 | #endif | |
1104 | ||
1105 | ||
8912421c LC |
1106 | #if @GNULIB_PIPE2@ |
1107 | /* Create a pipe, applying the given flags when opening the read-end of the | |
1108 | pipe and the write-end of the pipe. | |
1109 | The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>) | |
1110 | and O_TEXT, O_BINARY (defined in "binary-io.h"). | |
1111 | Store the read-end as fd[0] and the write-end as fd[1]. | |
1112 | Return 0 upon success, or -1 with errno set upon failure. | |
1113 | See also the Linux man page at | |
1114 | <http://www.kernel.org/doc/man-pages/online/pages/man2/pipe2.2.html>. */ | |
1115 | # if @HAVE_PIPE2@ | |
f4c79b3c LC |
1116 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
1117 | # define pipe2 rpl_pipe2 | |
1118 | # endif | |
1119 | _GL_FUNCDECL_RPL (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1))); | |
1120 | _GL_CXXALIAS_RPL (pipe2, int, (int fd[2], int flags)); | |
1121 | # else | |
1122 | _GL_FUNCDECL_SYS (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1))); | |
1123 | _GL_CXXALIAS_SYS (pipe2, int, (int fd[2], int flags)); | |
8912421c | 1124 | # endif |
f4c79b3c | 1125 | _GL_CXXALIASWARN (pipe2); |
8912421c LC |
1126 | #elif defined GNULIB_POSIXCHECK |
1127 | # undef pipe2 | |
61cd9dc9 LC |
1128 | # if HAVE_RAW_DECL_PIPE2 |
1129 | _GL_WARN_ON_USE (pipe2, "pipe2 is unportable - " | |
1130 | "use gnulib module pipe2 for portability"); | |
1131 | # endif | |
8912421c LC |
1132 | #endif |
1133 | ||
1134 | ||
1cd4fffc | 1135 | #if @GNULIB_PREAD@ |
1cd4fffc LC |
1136 | /* Read at most BUFSIZE bytes from FD into BUF, starting at OFFSET. |
1137 | Return the number of bytes placed into BUF if successful, otherwise | |
35428fb6 LC |
1138 | set errno and return -1. 0 indicates EOF. |
1139 | See the POSIX:2008 specification | |
1140 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pread.html>. */ | |
f4c79b3c LC |
1141 | # if @REPLACE_PREAD@ |
1142 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
231c0e0e | 1143 | # undef pread |
f4c79b3c LC |
1144 | # define pread rpl_pread |
1145 | # endif | |
1146 | _GL_FUNCDECL_RPL (pread, ssize_t, | |
1147 | (int fd, void *buf, size_t bufsize, off_t offset) | |
1148 | _GL_ARG_NONNULL ((2))); | |
1149 | _GL_CXXALIAS_RPL (pread, ssize_t, | |
1150 | (int fd, void *buf, size_t bufsize, off_t offset)); | |
1151 | # else | |
1152 | # if !@HAVE_PREAD@ | |
1153 | _GL_FUNCDECL_SYS (pread, ssize_t, | |
1154 | (int fd, void *buf, size_t bufsize, off_t offset) | |
1155 | _GL_ARG_NONNULL ((2))); | |
1156 | # endif | |
1157 | _GL_CXXALIAS_SYS (pread, ssize_t, | |
1158 | (int fd, void *buf, size_t bufsize, off_t offset)); | |
1cd4fffc | 1159 | # endif |
f4c79b3c | 1160 | _GL_CXXALIASWARN (pread); |
1cd4fffc LC |
1161 | #elif defined GNULIB_POSIXCHECK |
1162 | # undef pread | |
61cd9dc9 LC |
1163 | # if HAVE_RAW_DECL_PREAD |
1164 | _GL_WARN_ON_USE (pread, "pread is unportable - " | |
1165 | "use gnulib module pread for portability"); | |
1166 | # endif | |
1cd4fffc LC |
1167 | #endif |
1168 | ||
1169 | ||
a927b6c1 LC |
1170 | #if @GNULIB_PWRITE@ |
1171 | /* Write at most BUFSIZE bytes from BUF into FD, starting at OFFSET. | |
1172 | Return the number of bytes written if successful, otherwise | |
1173 | set errno and return -1. 0 indicates nothing written. See the | |
35428fb6 LC |
1174 | POSIX:2008 specification |
1175 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pwrite.html>. */ | |
a927b6c1 LC |
1176 | # if @REPLACE_PWRITE@ |
1177 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
231c0e0e | 1178 | # undef pwrite |
a927b6c1 LC |
1179 | # define pwrite rpl_pwrite |
1180 | # endif | |
1181 | _GL_FUNCDECL_RPL (pwrite, ssize_t, | |
1182 | (int fd, const void *buf, size_t bufsize, off_t offset) | |
1183 | _GL_ARG_NONNULL ((2))); | |
1184 | _GL_CXXALIAS_RPL (pwrite, ssize_t, | |
1185 | (int fd, const void *buf, size_t bufsize, off_t offset)); | |
1186 | # else | |
1187 | # if !@HAVE_PWRITE@ | |
1188 | _GL_FUNCDECL_SYS (pwrite, ssize_t, | |
1189 | (int fd, const void *buf, size_t bufsize, off_t offset) | |
1190 | _GL_ARG_NONNULL ((2))); | |
1191 | # endif | |
1192 | _GL_CXXALIAS_SYS (pwrite, ssize_t, | |
1193 | (int fd, const void *buf, size_t bufsize, off_t offset)); | |
1194 | # endif | |
1195 | _GL_CXXALIASWARN (pwrite); | |
1196 | #elif defined GNULIB_POSIXCHECK | |
1197 | # undef pwrite | |
1198 | # if HAVE_RAW_DECL_PWRITE | |
1199 | _GL_WARN_ON_USE (pwrite, "pwrite is unportable - " | |
1200 | "use gnulib module pwrite for portability"); | |
1201 | # endif | |
1202 | #endif | |
1203 | ||
1204 | ||
dd7d0148 LC |
1205 | #if @GNULIB_READ@ |
1206 | /* Read up to COUNT bytes from file descriptor FD into the buffer starting | |
35428fb6 LC |
1207 | at BUF. See the POSIX:2008 specification |
1208 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html>. */ | |
1209 | # if @REPLACE_READ@ | |
dd7d0148 LC |
1210 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
1211 | # undef read | |
1212 | # define read rpl_read | |
1213 | # endif | |
1214 | _GL_FUNCDECL_RPL (read, ssize_t, (int fd, void *buf, size_t count) | |
1215 | _GL_ARG_NONNULL ((2))); | |
1216 | _GL_CXXALIAS_RPL (read, ssize_t, (int fd, void *buf, size_t count)); | |
1217 | # else | |
1218 | /* Need to cast, because on mingw, the third parameter is | |
1219 | unsigned int count | |
1220 | and the return type is 'int'. */ | |
1221 | _GL_CXXALIAS_SYS_CAST (read, ssize_t, (int fd, void *buf, size_t count)); | |
1222 | # endif | |
1223 | _GL_CXXALIASWARN (read); | |
1224 | #endif | |
1225 | ||
1226 | ||
9b36a80c LC |
1227 | #if @GNULIB_READLINK@ |
1228 | /* Read the contents of the symbolic link FILE and place the first BUFSIZE | |
1229 | bytes of it into BUF. Return the number of bytes placed into BUF if | |
1230 | successful, otherwise -1 and errno set. | |
35428fb6 LC |
1231 | See the POSIX:2008 specification |
1232 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html>. */ | |
f4c79b3c LC |
1233 | # if @REPLACE_READLINK@ |
1234 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
1235 | # define readlink rpl_readlink | |
1236 | # endif | |
1237 | _GL_FUNCDECL_RPL (readlink, ssize_t, | |
1238 | (const char *file, char *buf, size_t bufsize) | |
1239 | _GL_ARG_NONNULL ((1, 2))); | |
1240 | _GL_CXXALIAS_RPL (readlink, ssize_t, | |
1241 | (const char *file, char *buf, size_t bufsize)); | |
1242 | # else | |
1243 | # if !@HAVE_READLINK@ | |
1244 | _GL_FUNCDECL_SYS (readlink, ssize_t, | |
1245 | (const char *file, char *buf, size_t bufsize) | |
1246 | _GL_ARG_NONNULL ((1, 2))); | |
1247 | # endif | |
1248 | _GL_CXXALIAS_SYS (readlink, ssize_t, | |
1249 | (const char *file, char *buf, size_t bufsize)); | |
9b36a80c | 1250 | # endif |
f4c79b3c | 1251 | _GL_CXXALIASWARN (readlink); |
9b36a80c LC |
1252 | #elif defined GNULIB_POSIXCHECK |
1253 | # undef readlink | |
61cd9dc9 LC |
1254 | # if HAVE_RAW_DECL_READLINK |
1255 | _GL_WARN_ON_USE (readlink, "readlink is unportable - " | |
1256 | "use gnulib module readlink for portability"); | |
1257 | # endif | |
9b36a80c LC |
1258 | #endif |
1259 | ||
1260 | ||
8912421c LC |
1261 | #if @GNULIB_READLINKAT@ |
1262 | # if !@HAVE_READLINKAT@ | |
f4c79b3c LC |
1263 | _GL_FUNCDECL_SYS (readlinkat, ssize_t, |
1264 | (int fd, char const *file, char *buf, size_t len) | |
1265 | _GL_ARG_NONNULL ((2, 3))); | |
8912421c | 1266 | # endif |
f4c79b3c LC |
1267 | _GL_CXXALIAS_SYS (readlinkat, ssize_t, |
1268 | (int fd, char const *file, char *buf, size_t len)); | |
1269 | _GL_CXXALIASWARN (readlinkat); | |
8912421c LC |
1270 | #elif defined GNULIB_POSIXCHECK |
1271 | # undef readlinkat | |
61cd9dc9 LC |
1272 | # if HAVE_RAW_DECL_READLINKAT |
1273 | _GL_WARN_ON_USE (readlinkat, "readlinkat is not portable - " | |
9157d901 | 1274 | "use gnulib module readlinkat for portability"); |
61cd9dc9 | 1275 | # endif |
8912421c LC |
1276 | #endif |
1277 | ||
1278 | ||
1279 | #if @GNULIB_RMDIR@ | |
8912421c | 1280 | /* Remove the directory DIR. */ |
f4c79b3c LC |
1281 | # if @REPLACE_RMDIR@ |
1282 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
1283 | # define rmdir rpl_rmdir | |
1284 | # endif | |
1285 | _GL_FUNCDECL_RPL (rmdir, int, (char const *name) _GL_ARG_NONNULL ((1))); | |
1286 | _GL_CXXALIAS_RPL (rmdir, int, (char const *name)); | |
1287 | # else | |
1288 | _GL_CXXALIAS_SYS (rmdir, int, (char const *name)); | |
8912421c | 1289 | # endif |
f4c79b3c | 1290 | _GL_CXXALIASWARN (rmdir); |
8912421c LC |
1291 | #elif defined GNULIB_POSIXCHECK |
1292 | # undef rmdir | |
61cd9dc9 LC |
1293 | # if HAVE_RAW_DECL_RMDIR |
1294 | _GL_WARN_ON_USE (rmdir, "rmdir is unportable - " | |
1295 | "use gnulib module rmdir for portability"); | |
1296 | # endif | |
8912421c LC |
1297 | #endif |
1298 | ||
1299 | ||
7f1ea859 LC |
1300 | #if @GNULIB_SETHOSTNAME@ |
1301 | /* Set the host name of the machine. | |
1302 | The host name may or may not be fully qualified. | |
1303 | ||
1304 | Put LEN bytes of NAME into the host name. | |
1305 | Return 0 if successful, otherwise, set errno and return -1. | |
1306 | ||
1307 | Platforms with no ability to set the hostname return -1 and set | |
1308 | errno = ENOSYS. */ | |
1309 | # if !@HAVE_SETHOSTNAME@ || !@HAVE_DECL_SETHOSTNAME@ | |
1310 | _GL_FUNCDECL_SYS (sethostname, int, (const char *name, size_t len) | |
1311 | _GL_ARG_NONNULL ((1))); | |
1312 | # endif | |
005de2e8 | 1313 | /* Need to cast, because on Solaris 11 2011-10, Mac OS X 10.5, IRIX 6.5 |
7f1ea859 LC |
1314 | and FreeBSD 6.4 the second parameter is int. On Solaris 11 |
1315 | 2011-10, the first parameter is not const. */ | |
1316 | _GL_CXXALIAS_SYS_CAST (sethostname, int, (const char *name, size_t len)); | |
1317 | _GL_CXXALIASWARN (sethostname); | |
1318 | #elif defined GNULIB_POSIXCHECK | |
1319 | # undef sethostname | |
1320 | # if HAVE_RAW_DECL_SETHOSTNAME | |
1321 | _GL_WARN_ON_USE (sethostname, "sethostname is unportable - " | |
1322 | "use gnulib module sethostname for portability"); | |
1323 | # endif | |
1324 | #endif | |
1325 | ||
1326 | ||
9b36a80c LC |
1327 | #if @GNULIB_SLEEP@ |
1328 | /* Pause the execution of the current thread for N seconds. | |
1329 | Returns the number of seconds left to sleep. | |
35428fb6 LC |
1330 | See the POSIX:2008 specification |
1331 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html>. */ | |
f4c79b3c LC |
1332 | # if @REPLACE_SLEEP@ |
1333 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
1334 | # undef sleep | |
1335 | # define sleep rpl_sleep | |
1336 | # endif | |
1337 | _GL_FUNCDECL_RPL (sleep, unsigned int, (unsigned int n)); | |
1338 | _GL_CXXALIAS_RPL (sleep, unsigned int, (unsigned int n)); | |
1339 | # else | |
1340 | # if !@HAVE_SLEEP@ | |
1341 | _GL_FUNCDECL_SYS (sleep, unsigned int, (unsigned int n)); | |
1342 | # endif | |
1343 | _GL_CXXALIAS_SYS (sleep, unsigned int, (unsigned int n)); | |
9b36a80c | 1344 | # endif |
f4c79b3c | 1345 | _GL_CXXALIASWARN (sleep); |
9b36a80c LC |
1346 | #elif defined GNULIB_POSIXCHECK |
1347 | # undef sleep | |
61cd9dc9 LC |
1348 | # if HAVE_RAW_DECL_SLEEP |
1349 | _GL_WARN_ON_USE (sleep, "sleep is unportable - " | |
1350 | "use gnulib module sleep for portability"); | |
1351 | # endif | |
9b36a80c LC |
1352 | #endif |
1353 | ||
1354 | ||
8912421c LC |
1355 | #if @GNULIB_SYMLINK@ |
1356 | # if @REPLACE_SYMLINK@ | |
f4c79b3c LC |
1357 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
1358 | # undef symlink | |
1359 | # define symlink rpl_symlink | |
1360 | # endif | |
1361 | _GL_FUNCDECL_RPL (symlink, int, (char const *contents, char const *file) | |
1362 | _GL_ARG_NONNULL ((1, 2))); | |
1363 | _GL_CXXALIAS_RPL (symlink, int, (char const *contents, char const *file)); | |
1364 | # else | |
1365 | # if !@HAVE_SYMLINK@ | |
1366 | _GL_FUNCDECL_SYS (symlink, int, (char const *contents, char const *file) | |
1367 | _GL_ARG_NONNULL ((1, 2))); | |
1368 | # endif | |
1369 | _GL_CXXALIAS_SYS (symlink, int, (char const *contents, char const *file)); | |
8912421c | 1370 | # endif |
f4c79b3c | 1371 | _GL_CXXALIASWARN (symlink); |
8912421c LC |
1372 | #elif defined GNULIB_POSIXCHECK |
1373 | # undef symlink | |
61cd9dc9 LC |
1374 | # if HAVE_RAW_DECL_SYMLINK |
1375 | _GL_WARN_ON_USE (symlink, "symlink is not portable - " | |
1376 | "use gnulib module symlink for portability"); | |
1377 | # endif | |
8912421c LC |
1378 | #endif |
1379 | ||
1380 | ||
1381 | #if @GNULIB_SYMLINKAT@ | |
1382 | # if !@HAVE_SYMLINKAT@ | |
f4c79b3c LC |
1383 | _GL_FUNCDECL_SYS (symlinkat, int, |
1384 | (char const *contents, int fd, char const *file) | |
1385 | _GL_ARG_NONNULL ((1, 3))); | |
8912421c | 1386 | # endif |
f4c79b3c LC |
1387 | _GL_CXXALIAS_SYS (symlinkat, int, |
1388 | (char const *contents, int fd, char const *file)); | |
1389 | _GL_CXXALIASWARN (symlinkat); | |
8912421c LC |
1390 | #elif defined GNULIB_POSIXCHECK |
1391 | # undef symlinkat | |
61cd9dc9 LC |
1392 | # if HAVE_RAW_DECL_SYMLINKAT |
1393 | _GL_WARN_ON_USE (symlinkat, "symlinkat is not portable - " | |
1394 | "use gnulib module symlinkat for portability"); | |
1395 | # endif | |
8912421c LC |
1396 | #endif |
1397 | ||
1398 | ||
a927b6c1 LC |
1399 | #if @GNULIB_TTYNAME_R@ |
1400 | /* Store at most BUFLEN characters of the pathname of the terminal FD is | |
1401 | open on in BUF. Return 0 on success, otherwise an error number. */ | |
1402 | # if @REPLACE_TTYNAME_R@ | |
1403 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
1404 | # undef ttyname_r | |
1405 | # define ttyname_r rpl_ttyname_r | |
1406 | # endif | |
1407 | _GL_FUNCDECL_RPL (ttyname_r, int, | |
1408 | (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2))); | |
1409 | _GL_CXXALIAS_RPL (ttyname_r, int, | |
1410 | (int fd, char *buf, size_t buflen)); | |
1411 | # else | |
ab4d62ad | 1412 | # if !@HAVE_DECL_TTYNAME_R@ |
a927b6c1 LC |
1413 | _GL_FUNCDECL_SYS (ttyname_r, int, |
1414 | (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2))); | |
1415 | # endif | |
1416 | _GL_CXXALIAS_SYS (ttyname_r, int, | |
1417 | (int fd, char *buf, size_t buflen)); | |
1418 | # endif | |
1419 | _GL_CXXALIASWARN (ttyname_r); | |
1420 | #elif defined GNULIB_POSIXCHECK | |
1421 | # undef ttyname_r | |
1422 | # if HAVE_RAW_DECL_TTYNAME_R | |
1423 | _GL_WARN_ON_USE (ttyname_r, "ttyname_r is not portable - " | |
1424 | "use gnulib module ttyname_r for portability"); | |
1425 | # endif | |
1426 | #endif | |
1427 | ||
1428 | ||
8912421c LC |
1429 | #if @GNULIB_UNLINK@ |
1430 | # if @REPLACE_UNLINK@ | |
f4c79b3c LC |
1431 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
1432 | # undef unlink | |
1433 | # define unlink rpl_unlink | |
1434 | # endif | |
1435 | _GL_FUNCDECL_RPL (unlink, int, (char const *file) _GL_ARG_NONNULL ((1))); | |
1436 | _GL_CXXALIAS_RPL (unlink, int, (char const *file)); | |
1437 | # else | |
1438 | _GL_CXXALIAS_SYS (unlink, int, (char const *file)); | |
8912421c | 1439 | # endif |
f4c79b3c | 1440 | _GL_CXXALIASWARN (unlink); |
8912421c LC |
1441 | #elif defined GNULIB_POSIXCHECK |
1442 | # undef unlink | |
61cd9dc9 LC |
1443 | # if HAVE_RAW_DECL_UNLINK |
1444 | _GL_WARN_ON_USE (unlink, "unlink is not portable - " | |
1445 | "use gnulib module unlink for portability"); | |
1446 | # endif | |
8912421c LC |
1447 | #endif |
1448 | ||
1449 | ||
1450 | #if @GNULIB_UNLINKAT@ | |
1451 | # if @REPLACE_UNLINKAT@ | |
f4c79b3c LC |
1452 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
1453 | # undef unlinkat | |
1454 | # define unlinkat rpl_unlinkat | |
1455 | # endif | |
1456 | _GL_FUNCDECL_RPL (unlinkat, int, (int fd, char const *file, int flag) | |
1457 | _GL_ARG_NONNULL ((2))); | |
1458 | _GL_CXXALIAS_RPL (unlinkat, int, (int fd, char const *file, int flag)); | |
1459 | # else | |
1460 | # if !@HAVE_UNLINKAT@ | |
1461 | _GL_FUNCDECL_SYS (unlinkat, int, (int fd, char const *file, int flag) | |
1462 | _GL_ARG_NONNULL ((2))); | |
1463 | # endif | |
1464 | _GL_CXXALIAS_SYS (unlinkat, int, (int fd, char const *file, int flag)); | |
8912421c | 1465 | # endif |
f4c79b3c | 1466 | _GL_CXXALIASWARN (unlinkat); |
8912421c LC |
1467 | #elif defined GNULIB_POSIXCHECK |
1468 | # undef unlinkat | |
61cd9dc9 LC |
1469 | # if HAVE_RAW_DECL_UNLINKAT |
1470 | _GL_WARN_ON_USE (unlinkat, "unlinkat is not portable - " | |
1471 | "use gnulib module openat for portability"); | |
1472 | # endif | |
8912421c LC |
1473 | #endif |
1474 | ||
1475 | ||
414e4441 | 1476 | #if @GNULIB_USLEEP@ |
414e4441 LC |
1477 | /* Pause the execution of the current thread for N microseconds. |
1478 | Returns 0 on completion, or -1 on range error. | |
1479 | See the POSIX:2001 specification | |
35428fb6 | 1480 | <http://www.opengroup.org/susv3xsh/usleep.html>. */ |
f4c79b3c LC |
1481 | # if @REPLACE_USLEEP@ |
1482 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
1483 | # undef usleep | |
1484 | # define usleep rpl_usleep | |
1485 | # endif | |
1486 | _GL_FUNCDECL_RPL (usleep, int, (useconds_t n)); | |
1487 | _GL_CXXALIAS_RPL (usleep, int, (useconds_t n)); | |
1488 | # else | |
1489 | # if !@HAVE_USLEEP@ | |
1490 | _GL_FUNCDECL_SYS (usleep, int, (useconds_t n)); | |
1491 | # endif | |
1492 | _GL_CXXALIAS_SYS (usleep, int, (useconds_t n)); | |
414e4441 | 1493 | # endif |
f4c79b3c | 1494 | _GL_CXXALIASWARN (usleep); |
414e4441 LC |
1495 | #elif defined GNULIB_POSIXCHECK |
1496 | # undef usleep | |
61cd9dc9 LC |
1497 | # if HAVE_RAW_DECL_USLEEP |
1498 | _GL_WARN_ON_USE (usleep, "usleep is unportable - " | |
1499 | "use gnulib module usleep for portability"); | |
1500 | # endif | |
414e4441 LC |
1501 | #endif |
1502 | ||
1503 | ||
f4c79b3c | 1504 | #if @GNULIB_WRITE@ |
9b36a80c | 1505 | /* Write up to COUNT bytes starting at BUF to file descriptor FD. |
35428fb6 LC |
1506 | See the POSIX:2008 specification |
1507 | <http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>. */ | |
1508 | # if @REPLACE_WRITE@ | |
f4c79b3c LC |
1509 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) |
1510 | # undef write | |
1511 | # define write rpl_write | |
1512 | # endif | |
1513 | _GL_FUNCDECL_RPL (write, ssize_t, (int fd, const void *buf, size_t count) | |
1514 | _GL_ARG_NONNULL ((2))); | |
1515 | _GL_CXXALIAS_RPL (write, ssize_t, (int fd, const void *buf, size_t count)); | |
1516 | # else | |
a927b6c1 LC |
1517 | /* Need to cast, because on mingw, the third parameter is |
1518 | unsigned int count | |
1519 | and the return type is 'int'. */ | |
1520 | _GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count)); | |
f4c79b3c LC |
1521 | # endif |
1522 | _GL_CXXALIASWARN (write); | |
9b36a80c LC |
1523 | #endif |
1524 | ||
af07e104 | 1525 | _GL_INLINE_HEADER_END |
9b36a80c | 1526 | |
3d458a81 AW |
1527 | #endif /* _@GUARD_PREFIX@_UNISTD_H */ |
1528 | #endif /* _@GUARD_PREFIX@_UNISTD_H */ |