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Simplify GOOPS effective method cache format
[bpt/guile.git] / lib / unistd.in.h
CommitLineData
9b36a80c 1/* Substitute for and wrapper around <unistd.h>.
5e69ceb7 2 Copyright (C) 2003-2014 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 23
8f7887d6
LC		 24#ifdef _GL_INCLUDING_UNISTD_H
25/* Special invocation convention:
26 - On Mac OS X 10.3.9 we have a sequence of nested includes
27 <unistd.h> -> <signal.h> -> <pthread.h> -> <unistd.h>
28 In this situation, the functions are not yet declared, therefore we cannot
29 provide the C++ aliases. */
30
31#@INCLUDE_NEXT@ @NEXT_UNISTD_H@
32
33#else
34/* Normal invocation convention. */
35
9b36a80c
LC		 36/* The include_next requires a split double-inclusion guard. */
37#if @HAVE_UNISTD_H@
8f7887d6 38# define _GL_INCLUDING_UNISTD_H
9b36a80c 39# @INCLUDE_NEXT@ @NEXT_UNISTD_H@
8f7887d6 40# undef _GL_INCLUDING_UNISTD_H
9b36a80c
LC		 41#endif
42
a927b6c1
LC		 43/* Get all possible declarations of gethostname(). */
44#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ \
45 && !defined _GL_INCLUDING_WINSOCK2_H
46# define _GL_INCLUDING_WINSOCK2_H
47# include <winsock2.h>
48# undef _GL_INCLUDING_WINSOCK2_H
49#endif
50
3d458a81
AW		 51#if !defined _@GUARD_PREFIX@_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H
52#define _@GUARD_PREFIX@_UNISTD_H
9b36a80c 53
8912421c
LC		 54/* NetBSD 5.0 mis-defines NULL. Also get size_t. */
55#include <stddef.h>
56
f240aacb 57/* mingw doesn't define the SEEK_* or *_FILENO macros in <unistd.h>. */
61cd9dc9
LC		 58/* Cygwin 1.7.1 declares symlinkat in <stdio.h>, not in <unistd.h>. */
59/* But avoid namespace pollution on glibc systems. */
60#if (!(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET) \
0f00f2c3
LC		 61 || ((@GNULIB_SYMLINKAT@ || defined GNULIB_POSIXCHECK) \
62 && defined __CYGWIN__)) \
61cd9dc9 63 && ! defined __GLIBC__
9b36a80c
LC		 64# include <stdio.h>
65#endif
66
61cd9dc9
LC		 67/* Cygwin 1.7.1 declares unlinkat in <fcntl.h>, not in <unistd.h>. */
68/* But avoid namespace pollution on glibc systems. */
0f00f2c3
LC		 69#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) && defined __CYGWIN__ \
70 && ! defined __GLIBC__
61cd9dc9
LC		 71# include <fcntl.h>
72#endif
73
9b36a80c 74/* mingw fails to declare _exit in <unistd.h>. */
35428fb6
LC		 75/* mingw, MSVC, BeOS, Haiku declare environ in <stdlib.h>, not in
76 <unistd.h>. */
61cd9dc9 77/* Solaris declares getcwd not only in <unistd.h> but also in <stdlib.h>. */
5e69ceb7
MW		 78/* OSF Tru64 Unix cannot see gnulib rpl_strtod when system <stdlib.h> is
79 included here. */
61cd9dc9 80/* But avoid namespace pollution on glibc systems. */
5e69ceb7 81#if !defined __GLIBC__ && !defined __osf__
af07e104 82# define __need_system_stdlib_h
61cd9dc9 83# include <stdlib.h>
af07e104 84# undef __need_system_stdlib_h
61cd9dc9 85#endif
9b36a80c 86
35428fb6 87/* Native Windows platforms declare chdir, getcwd, rmdir in
f0007cad
LC		 88 <io.h> and/or <direct.h>, not in <unistd.h>.
89 They also declare access(), chmod(), close(), dup(), dup2(), isatty(),
90 lseek(), read(), unlink(), write() in <io.h>. */
35428fb6
LC		 91#if ((@GNULIB_CHDIR@ || @GNULIB_GETCWD@ || @GNULIB_RMDIR@ \
92 || defined GNULIB_POSIXCHECK) \
61cd9dc9 93 && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
35428fb6
LC		 94# include <io.h> /* mingw32, mingw64 */
95# include <direct.h> /* mingw64, MSVC 9 */
f0007cad
LC		 96#elif (@GNULIB_CLOSE@ || @GNULIB_DUP@ || @GNULIB_DUP2@ || @GNULIB_ISATTY@ \
97 || @GNULIB_LSEEK@ || @GNULIB_READ@ || @GNULIB_UNLINK@ || @GNULIB_WRITE@ \
98 || defined GNULIB_POSIXCHECK) \
99 && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
100# include <io.h>
61cd9dc9
LC		 101#endif
102
49114fd4
LC		 103/* AIX and OSF/1 5.1 declare getdomainname in <netdb.h>, not in <unistd.h>.
104 NonStop Kernel declares gethostname in <netdb.h>, not in <unistd.h>. */
0f00f2c3 105/* But avoid namespace pollution on glibc systems. */
49114fd4
LC		 106#if ((@GNULIB_GETDOMAINNAME@ && (defined _AIX || defined __osf__)) \
107 || (@GNULIB_GETHOSTNAME@ && defined __TANDEM)) \
0f00f2c3
LC		 108 && !defined __GLIBC__
109# include <netdb.h>
110#endif
111
005de2e8
LC		 112/* MSVC defines off_t in <sys/types.h>.
113 May also define off_t to a 64-bit type on native Windows. */
114#if !@HAVE_UNISTD_H@ || @WINDOWS_64_BIT_OFF_T@
35428fb6
LC		 115/* Get off_t. */
116# include <sys/types.h>
117#endif
118
dd7d0148
LC		 119#if (@GNULIB_READ@ || @GNULIB_WRITE@ \
120 || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \
a927b6c1 121 || @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK)
9b36a80c
LC		 122/* Get ssize_t. */
123# include <sys/types.h>
124#endif
125
61cd9dc9
LC		 126/* Get getopt(), optarg, optind, opterr, optopt.
127 But avoid namespace pollution on glibc systems. */
128#if @GNULIB_UNISTD_H_GETOPT@ && !defined __GLIBC__ && !defined _GL_SYSTEM_GETOPT
af07e104 129# define __need_getopt
8912421c
LC		 130# include <getopt.h>
131#endif
132
5e69ceb7
MW		 133#ifndef _GL_INLINE_HEADER_BEGIN
134 #error "Please include config.h first."
135#endif
af07e104
AW		 136_GL_INLINE_HEADER_BEGIN
137#ifndef _GL_UNISTD_INLINE
138# define _GL_UNISTD_INLINE _GL_INLINE
139#endif
140
a927b6c1
LC		 141/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
142
143/* The definition of _GL_ARG_NONNULL is copied here. */
144
145/* The definition of _GL_WARN_ON_USE is copied here. */
146
147
35428fb6
LC		 148/* Hide some function declarations from <winsock2.h>. */
149
150#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@
151# if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
152# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
153# undef socket
154# define socket socket_used_without_including_sys_socket_h
155# undef connect
156# define connect connect_used_without_including_sys_socket_h
157# undef accept
158# define accept accept_used_without_including_sys_socket_h
159# undef bind
160# define bind bind_used_without_including_sys_socket_h
161# undef getpeername
162# define getpeername getpeername_used_without_including_sys_socket_h
163# undef getsockname
164# define getsockname getsockname_used_without_including_sys_socket_h
165# undef getsockopt
166# define getsockopt getsockopt_used_without_including_sys_socket_h
167# undef listen
168# define listen listen_used_without_including_sys_socket_h
169# undef recv
170# define recv recv_used_without_including_sys_socket_h
171# undef send
172# define send send_used_without_including_sys_socket_h
173# undef recvfrom
174# define recvfrom recvfrom_used_without_including_sys_socket_h
175# undef sendto
176# define sendto sendto_used_without_including_sys_socket_h
177# undef setsockopt
178# define setsockopt setsockopt_used_without_including_sys_socket_h
179# undef shutdown
180# define shutdown shutdown_used_without_including_sys_socket_h
181# else
182 _GL_WARN_ON_USE (socket,
183 "socket() used without including <sys/socket.h>");
184 _GL_WARN_ON_USE (connect,
185 "connect() used without including <sys/socket.h>");
186 _GL_WARN_ON_USE (accept,
187 "accept() used without including <sys/socket.h>");
188 _GL_WARN_ON_USE (bind,
189 "bind() used without including <sys/socket.h>");
190 _GL_WARN_ON_USE (getpeername,
191 "getpeername() used without including <sys/socket.h>");
192 _GL_WARN_ON_USE (getsockname,
193 "getsockname() used without including <sys/socket.h>");
194 _GL_WARN_ON_USE (getsockopt,
195 "getsockopt() used without including <sys/socket.h>");
196 _GL_WARN_ON_USE (listen,
197 "listen() used without including <sys/socket.h>");
198 _GL_WARN_ON_USE (recv,
199 "recv() used without including <sys/socket.h>");
200 _GL_WARN_ON_USE (send,
201 "send() used without including <sys/socket.h>");
202 _GL_WARN_ON_USE (recvfrom,
203 "recvfrom() used without including <sys/socket.h>");
204 _GL_WARN_ON_USE (sendto,
205 "sendto() used without including <sys/socket.h>");
206 _GL_WARN_ON_USE (setsockopt,
207 "setsockopt() used without including <sys/socket.h>");
208 _GL_WARN_ON_USE (shutdown,
209 "shutdown() used without including <sys/socket.h>");
9b36a80c 210# endif
35428fb6
LC		 211# endif
212# if !defined _@GUARD_PREFIX@_SYS_SELECT_H
213# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
214# undef select
215# define select select_used_without_including_sys_select_h
216# else
217 _GL_WARN_ON_USE (select,
218 "select() used without including <sys/select.h>");
9b36a80c
LC		 219# endif
220# endif
221#endif
222
9b36a80c 223
f240aacb
LC		 224/* OS/2 EMX lacks these macros. */
225#ifndef STDIN_FILENO
226# define STDIN_FILENO 0
227#endif
228#ifndef STDOUT_FILENO
229# define STDOUT_FILENO 1
230#endif
231#ifndef STDERR_FILENO
232# define STDERR_FILENO 2
233#endif
234
8912421c
LC		 235/* Ensure *_OK macros exist. */
236#ifndef F_OK
237# define F_OK 0
238# define X_OK 1
239# define W_OK 2
240# define R_OK 4
241#endif
242
243
9b36a80c
LC		 244/* Declare overridden functions. */
245
f4c79b3c
LC		 246
247#if defined GNULIB_POSIXCHECK
248/* The access() function is a security risk. */
249_GL_WARN_ON_USE (access, "the access function is a security risk - "
250 "use the gnulib module faccessat instead");
9b36a80c
LC		 251#endif
252
253
35428fb6
LC		 254#if @GNULIB_CHDIR@
255_GL_CXXALIAS_SYS (chdir, int, (const char *file) _GL_ARG_NONNULL ((1)));
256_GL_CXXALIASWARN (chdir);
257#elif defined GNULIB_POSIXCHECK
258# undef chdir
259# if HAVE_RAW_DECL_CHDIR
260_GL_WARN_ON_USE (chown, "chdir is not always in <unistd.h> - "
261 "use gnulib module chdir for portability");
262# endif
263#endif
264
265
9b36a80c 266#if @GNULIB_CHOWN@
9b36a80c
LC		 267/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
268 to GID (if GID is not -1). Follow symbolic links.
269 Return 0 if successful, otherwise -1 and errno set.
35428fb6
LC		 270 See the POSIX:2008 specification
271 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/chown.html. */
f4c79b3c
LC		 272# if @REPLACE_CHOWN@
273# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
274# undef chown
275# define chown rpl_chown
276# endif
277_GL_FUNCDECL_RPL (chown, int, (const char *file, uid_t uid, gid_t gid)
278 _GL_ARG_NONNULL ((1)));
279_GL_CXXALIAS_RPL (chown, int, (const char *file, uid_t uid, gid_t gid));
280# else
281# if !@HAVE_CHOWN@
282_GL_FUNCDECL_SYS (chown, int, (const char *file, uid_t uid, gid_t gid)
283 _GL_ARG_NONNULL ((1)));
284# endif
285_GL_CXXALIAS_SYS (chown, int, (const char *file, uid_t uid, gid_t gid));
9b36a80c 286# endif
f4c79b3c 287_GL_CXXALIASWARN (chown);
9b36a80c
LC		 288#elif defined GNULIB_POSIXCHECK
289# undef chown
61cd9dc9
LC		 290# if HAVE_RAW_DECL_CHOWN
291_GL_WARN_ON_USE (chown, "chown fails to follow symlinks on some systems and "
292 "doesn't treat a uid or gid of -1 on some systems - "
293 "use gnulib module chown for portability");
294# endif
9b36a80c
LC		 295#endif
296
297
298#if @GNULIB_CLOSE@
9b36a80c
LC		 299# if @REPLACE_CLOSE@
300/* Automatically included by modules that need a replacement for close. */
f4c79b3c
LC		 301# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
302# undef close
303# define close rpl_close
304# endif
305_GL_FUNCDECL_RPL (close, int, (int fd));
306_GL_CXXALIAS_RPL (close, int, (int fd));
307# else
308_GL_CXXALIAS_SYS (close, int, (int fd));
9b36a80c 309# endif
f4c79b3c 310_GL_CXXALIASWARN (close);
8912421c 311#elif @UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
9b36a80c
LC		 312# undef close
313# define close close_used_without_requesting_gnulib_module_close
314#elif defined GNULIB_POSIXCHECK
315# undef close
61cd9dc9
LC		 316/* Assume close is always declared. */
317_GL_WARN_ON_USE (close, "close does not portably work on sockets - "
318 "use gnulib module close for portability");
9b36a80c
LC		 319#endif
320
321
35428fb6
LC		 322#if @GNULIB_DUP@
323# if @REPLACE_DUP@
324# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
325# define dup rpl_dup
326# endif
f4c79b3c
LC		 327_GL_FUNCDECL_RPL (dup, int, (int oldfd));
328_GL_CXXALIAS_RPL (dup, int, (int oldfd));
35428fb6 329# else
f4c79b3c 330_GL_CXXALIAS_SYS (dup, int, (int oldfd));
35428fb6 331# endif
f4c79b3c 332_GL_CXXALIASWARN (dup);
35428fb6
LC		 333#elif defined GNULIB_POSIXCHECK
334# undef dup
335# if HAVE_RAW_DECL_DUP
336_GL_WARN_ON_USE (dup, "dup is unportable - "
337 "use gnulib module dup for portability");
338# endif
339#endif
8912421c
LC		 340
341
9b36a80c 342#if @GNULIB_DUP2@
9b36a80c
LC		 343/* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if
344 NEWFD = OLDFD, otherwise close NEWFD first if it is open.
25361e4b 345 Return newfd if successful, otherwise -1 and errno set.
35428fb6
LC		 346 See the POSIX:2008 specification
347 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/dup2.html>. */
f4c79b3c
LC		 348# if @REPLACE_DUP2@
349# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
350# define dup2 rpl_dup2
351# endif
352_GL_FUNCDECL_RPL (dup2, int, (int oldfd, int newfd));
353_GL_CXXALIAS_RPL (dup2, int, (int oldfd, int newfd));
354# else
355# if !@HAVE_DUP2@
356_GL_FUNCDECL_SYS (dup2, int, (int oldfd, int newfd));
357# endif
358_GL_CXXALIAS_SYS (dup2, int, (int oldfd, int newfd));
9b36a80c 359# endif
f4c79b3c 360_GL_CXXALIASWARN (dup2);
9b36a80c
LC		 361#elif defined GNULIB_POSIXCHECK
362# undef dup2
61cd9dc9
LC		 363# if HAVE_RAW_DECL_DUP2
364_GL_WARN_ON_USE (dup2, "dup2 is unportable - "
365 "use gnulib module dup2 for portability");
366# endif
9b36a80c
LC		 367#endif
368
369
8912421c
LC		 370#if @GNULIB_DUP3@
371/* Copy the file descriptor OLDFD into file descriptor NEWFD, with the
372 specified flags.
373 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
374 and O_TEXT, O_BINARY (defined in "binary-io.h").
375 Close NEWFD first if it is open.
376 Return newfd if successful, otherwise -1 and errno set.
377 See the Linux man page at
378 <http://www.kernel.org/doc/man-pages/online/pages/man2/dup3.2.html>. */
379# if @HAVE_DUP3@
f4c79b3c
LC		 380# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
381# define dup3 rpl_dup3
382# endif
383_GL_FUNCDECL_RPL (dup3, int, (int oldfd, int newfd, int flags));
384_GL_CXXALIAS_RPL (dup3, int, (int oldfd, int newfd, int flags));
385# else
386_GL_FUNCDECL_SYS (dup3, int, (int oldfd, int newfd, int flags));
387_GL_CXXALIAS_SYS (dup3, int, (int oldfd, int newfd, int flags));
8912421c 388# endif
f4c79b3c 389_GL_CXXALIASWARN (dup3);
8912421c
LC		 390#elif defined GNULIB_POSIXCHECK
391# undef dup3
61cd9dc9
LC		 392# if HAVE_RAW_DECL_DUP3
393_GL_WARN_ON_USE (dup3, "dup3 is unportable - "
394 "use gnulib module dup3 for portability");
395# endif
8912421c
LC		 396#endif
397
398
9b36a80c
LC		 399#if @GNULIB_ENVIRON@
400# if !@HAVE_DECL_ENVIRON@
401/* Set of environment variables and values. An array of strings of the form
402 "VARIABLE=VALUE", terminated with a NULL. */
403# if defined __APPLE__ && defined __MACH__
404# include <crt_externs.h>
405# define environ (*_NSGetEnviron ())
406# else
f4c79b3c
LC		 407# ifdef __cplusplus
408extern "C" {
409# endif
9b36a80c 410extern char **environ;
f4c79b3c
LC		 411# ifdef __cplusplus
412}
413# endif
9b36a80c
LC		 414# endif
415# endif
416#elif defined GNULIB_POSIXCHECK
61cd9dc9 417# if HAVE_RAW_DECL_ENVIRON
af07e104 418_GL_UNISTD_INLINE char ***
61cd9dc9
LC		 419rpl_environ (void)
420{
421 return &environ;
422}
423_GL_WARN_ON_USE (rpl_environ, "environ is unportable - "
424 "use gnulib module environ for portability");
425# undef environ
426# define environ (*rpl_environ ())
427# endif
9b36a80c
LC		 428#endif
429
430
431#if @GNULIB_EUIDACCESS@
8912421c 432/* Like access(), except that it uses the effective user id and group id of
9b36a80c 433 the current process. */
f4c79b3c
LC		 434# if !@HAVE_EUIDACCESS@
435_GL_FUNCDECL_SYS (euidaccess, int, (const char *filename, int mode)
436 _GL_ARG_NONNULL ((1)));
437# endif
438_GL_CXXALIAS_SYS (euidaccess, int, (const char *filename, int mode));
439_GL_CXXALIASWARN (euidaccess);
440# if defined GNULIB_POSIXCHECK
441/* Like access(), this function is a security risk. */
442_GL_WARN_ON_USE (euidaccess, "the euidaccess function is a security risk - "
443 "use the gnulib module faccessat instead");
9b36a80c
LC		 444# endif
445#elif defined GNULIB_POSIXCHECK
446# undef euidaccess
61cd9dc9
LC		 447# if HAVE_RAW_DECL_EUIDACCESS
448_GL_WARN_ON_USE (euidaccess, "euidaccess is unportable - "
449 "use gnulib module euidaccess for portability");
450# endif
9b36a80c
LC		 451#endif
452
453
8912421c
LC		 454#if @GNULIB_FACCESSAT@
455# if !@HAVE_FACCESSAT@
f4c79b3c
LC		 456_GL_FUNCDECL_SYS (faccessat, int,
457 (int fd, char const *file, int mode, int flag)
458 _GL_ARG_NONNULL ((2)));
8912421c 459# endif
f4c79b3c
LC		 460_GL_CXXALIAS_SYS (faccessat, int,
461 (int fd, char const *file, int mode, int flag));
462_GL_CXXALIASWARN (faccessat);
8912421c
LC		 463#elif defined GNULIB_POSIXCHECK
464# undef faccessat
61cd9dc9
LC		 465# if HAVE_RAW_DECL_FACCESSAT
466_GL_WARN_ON_USE (faccessat, "faccessat is not portable - "
467 "use gnulib module faccessat for portability");
468# endif
8912421c
LC		 469#endif
470
471
9b36a80c 472#if @GNULIB_FCHDIR@
9b36a80c
LC		 473/* Change the process' current working directory to the directory on which
474 the given file descriptor is open.
475 Return 0 if successful, otherwise -1 and errno set.
35428fb6
LC		 476 See the POSIX:2008 specification
477 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html>. */
a927b6c1
LC		 478# if ! @HAVE_FCHDIR@
479_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/));
9b36a80c 480
8912421c 481/* Gnulib internal hooks needed to maintain the fchdir metadata. */
f4c79b3c 482_GL_EXTERN_C int _gl_register_fd (int fd, const char *filename)
1cd4fffc 483 _GL_ARG_NONNULL ((2));
f4c79b3c
LC		 484_GL_EXTERN_C void _gl_unregister_fd (int fd);
485_GL_EXTERN_C int _gl_register_dup (int oldfd, int newfd);
486_GL_EXTERN_C const char *_gl_directory_name (int fd);
9b36a80c 487
ab4d62ad
LC		 488# else
489# if !@HAVE_DECL_FCHDIR@
490_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/));
491# endif
9b36a80c 492# endif
a927b6c1 493_GL_CXXALIAS_SYS (fchdir, int, (int /*fd*/));
f4c79b3c 494_GL_CXXALIASWARN (fchdir);
9b36a80c
LC		 495#elif defined GNULIB_POSIXCHECK
496# undef fchdir
61cd9dc9
LC		 497# if HAVE_RAW_DECL_FCHDIR
498_GL_WARN_ON_USE (fchdir, "fchdir is unportable - "
499 "use gnulib module fchdir for portability");
500# endif
9b36a80c
LC		 501#endif
502
503
8912421c
LC		 504#if @GNULIB_FCHOWNAT@
505# if @REPLACE_FCHOWNAT@
f4c79b3c
LC		 506# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
507# undef fchownat
508# define fchownat rpl_fchownat
509# endif
510_GL_FUNCDECL_RPL (fchownat, int, (int fd, char const *file,
511 uid_t owner, gid_t group, int flag)
512 _GL_ARG_NONNULL ((2)));
513_GL_CXXALIAS_RPL (fchownat, int, (int fd, char const *file,
514 uid_t owner, gid_t group, int flag));
515# else
516# if !@HAVE_FCHOWNAT@
517_GL_FUNCDECL_SYS (fchownat, int, (int fd, char const *file,
518 uid_t owner, gid_t group, int flag)
519 _GL_ARG_NONNULL ((2)));
520# endif
521_GL_CXXALIAS_SYS (fchownat, int, (int fd, char const *file,
522 uid_t owner, gid_t group, int flag));
8912421c 523# endif
f4c79b3c 524_GL_CXXALIASWARN (fchownat);
8912421c
LC		 525#elif defined GNULIB_POSIXCHECK
526# undef fchownat
61cd9dc9
LC		 527# if HAVE_RAW_DECL_FCHOWNAT
528_GL_WARN_ON_USE (fchownat, "fchownat is not portable - "
529 "use gnulib module openat for portability");
530# endif
8912421c
LC		 531#endif
532
533
35428fb6 534#if @GNULIB_FDATASYNC@
9b36a80c
LC		 535/* Synchronize changes to a file.
536 Return 0 if successful, otherwise -1 and errno set.
35428fb6
LC		 537 See POSIX:2008 specification
538 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. */
539# if !@HAVE_FDATASYNC@ || !@HAVE_DECL_FDATASYNC@
540_GL_FUNCDECL_SYS (fdatasync, int, (int fd));
541# endif
542_GL_CXXALIAS_SYS (fdatasync, int, (int fd));
543_GL_CXXALIASWARN (fdatasync);
544#elif defined GNULIB_POSIXCHECK
545# undef fdatasync
546# if HAVE_RAW_DECL_FDATASYNC
547_GL_WARN_ON_USE (fdatasync, "fdatasync is unportable - "
548 "use gnulib module fdatasync for portability");
549# endif
550#endif
551
552
553#if @GNULIB_FSYNC@
554/* Synchronize changes, including metadata, to a file.
555 Return 0 if successful, otherwise -1 and errno set.
556 See POSIX:2008 specification
557 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fsync.html>. */
9b36a80c 558# if !@HAVE_FSYNC@
f4c79b3c 559_GL_FUNCDECL_SYS (fsync, int, (int fd));
9b36a80c 560# endif
f4c79b3c
LC		 561_GL_CXXALIAS_SYS (fsync, int, (int fd));
562_GL_CXXALIASWARN (fsync);
9b36a80c
LC		 563#elif defined GNULIB_POSIXCHECK
564# undef fsync
61cd9dc9
LC		 565# if HAVE_RAW_DECL_FSYNC
566_GL_WARN_ON_USE (fsync, "fsync is unportable - "
567 "use gnulib module fsync for portability");
568# endif
9b36a80c
LC		 569#endif
570
571
572#if @GNULIB_FTRUNCATE@
9b36a80c
LC		 573/* Change the size of the file to which FD is opened to become equal to LENGTH.
574 Return 0 if successful, otherwise -1 and errno set.
35428fb6
LC		 575 See the POSIX:2008 specification
576 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>. */
005de2e8
LC		 577# if @REPLACE_FTRUNCATE@
578# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
579# undef ftruncate
580# define ftruncate rpl_ftruncate
581# endif
582_GL_FUNCDECL_RPL (ftruncate, int, (int fd, off_t length));
583_GL_CXXALIAS_RPL (ftruncate, int, (int fd, off_t length));
584# else
585# if !@HAVE_FTRUNCATE@
f4c79b3c 586_GL_FUNCDECL_SYS (ftruncate, int, (int fd, off_t length));
005de2e8 587# endif
f4c79b3c 588_GL_CXXALIAS_SYS (ftruncate, int, (int fd, off_t length));
005de2e8 589# endif
f4c79b3c 590_GL_CXXALIASWARN (ftruncate);
9b36a80c
LC		 591#elif defined GNULIB_POSIXCHECK
592# undef ftruncate
61cd9dc9
LC		 593# if HAVE_RAW_DECL_FTRUNCATE
594_GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - "
595 "use gnulib module ftruncate for portability");
596# endif
9b36a80c
LC		 597#endif
598
599
600#if @GNULIB_GETCWD@
9b36a80c
LC		 601/* Get the name of the current working directory, and put it in SIZE bytes
602 of BUF.
603 Return BUF if successful, or NULL if the directory couldn't be determined
604 or SIZE was too small.
35428fb6
LC		 605 See the POSIX:2008 specification
606 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/getcwd.html>.
9b36a80c
LC		 607 Additionally, the gnulib module 'getcwd' guarantees the following GNU
608 extension: If BUF is NULL, an array is allocated with 'malloc'; the array
609 is SIZE bytes long, unless SIZE == 0, in which case it is as big as
610 necessary. */
f4c79b3c
LC		 611# if @REPLACE_GETCWD@
612# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
613# define getcwd rpl_getcwd
614# endif
615_GL_FUNCDECL_RPL (getcwd, char *, (char *buf, size_t size));
616_GL_CXXALIAS_RPL (getcwd, char *, (char *buf, size_t size));
617# else
a927b6c1
LC		 618/* Need to cast, because on mingw, the second parameter is
619 int size. */
620_GL_CXXALIAS_SYS_CAST (getcwd, char *, (char *buf, size_t size));
9b36a80c 621# endif
f4c79b3c 622_GL_CXXALIASWARN (getcwd);
9b36a80c
LC		 623#elif defined GNULIB_POSIXCHECK
624# undef getcwd
61cd9dc9
LC		 625# if HAVE_RAW_DECL_GETCWD
626_GL_WARN_ON_USE (getcwd, "getcwd is unportable - "
627 "use gnulib module getcwd for portability");
628# endif
9b36a80c
LC		 629#endif
630
631
632#if @GNULIB_GETDOMAINNAME@
633/* Return the NIS domain name of the machine.
634 WARNING! The NIS domain name is unrelated to the fully qualified host name
635 of the machine. It is also unrelated to email addresses.
636 WARNING! The NIS domain name is usually the empty string or "(none)" when
637 not using NIS.
638
639 Put up to LEN bytes of the NIS domain name into NAME.
640 Null terminate it if the name is shorter than LEN.
641 If the NIS domain name is longer than LEN, set errno = EINVAL and return -1.
642 Return 0 if successful, otherwise set errno and return -1. */
0f00f2c3
LC		 643# if @REPLACE_GETDOMAINNAME@
644# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
645# undef getdomainname
646# define getdomainname rpl_getdomainname
647# endif
648_GL_FUNCDECL_RPL (getdomainname, int, (char *name, size_t len)
649 _GL_ARG_NONNULL ((1)));
650_GL_CXXALIAS_RPL (getdomainname, int, (char *name, size_t len));
651# else
652# if !@HAVE_DECL_GETDOMAINNAME@
f4c79b3c
LC		 653_GL_FUNCDECL_SYS (getdomainname, int, (char *name, size_t len)
654 _GL_ARG_NONNULL ((1)));
0f00f2c3
LC		 655# endif
656_GL_CXXALIAS_SYS (getdomainname, int, (char *name, size_t len));
9b36a80c 657# endif
f4c79b3c 658_GL_CXXALIASWARN (getdomainname);
9b36a80c
LC		 659#elif defined GNULIB_POSIXCHECK
660# undef getdomainname
61cd9dc9
LC		 661# if HAVE_RAW_DECL_GETDOMAINNAME
662_GL_WARN_ON_USE (getdomainname, "getdomainname is unportable - "
663 "use gnulib module getdomainname for portability");
664# endif
9b36a80c
LC		 665#endif
666
667
668#if @GNULIB_GETDTABLESIZE@
8912421c
LC		 669/* Return the maximum number of file descriptors in the current process.
670 In POSIX, this is same as sysconf (_SC_OPEN_MAX). */
5e69ceb7
MW		 671# if @REPLACE_GETDTABLESIZE@
672# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
673# undef getdtablesize
674# define getdtablesize rpl_getdtablesize
675# endif
676_GL_FUNCDECL_RPL (getdtablesize, int, (void));
677_GL_CXXALIAS_RPL (getdtablesize, int, (void));
678# else
679# if !@HAVE_GETDTABLESIZE@
f4c79b3c 680_GL_FUNCDECL_SYS (getdtablesize, int, (void));
5e69ceb7 681# endif
f4c79b3c 682_GL_CXXALIAS_SYS (getdtablesize, int, (void));
5e69ceb7 683# endif
f4c79b3c 684_GL_CXXALIASWARN (getdtablesize);
9b36a80c
LC		 685#elif defined GNULIB_POSIXCHECK
686# undef getdtablesize
61cd9dc9
LC		 687# if HAVE_RAW_DECL_GETDTABLESIZE
688_GL_WARN_ON_USE (getdtablesize, "getdtablesize is unportable - "
689 "use gnulib module getdtablesize for portability");
690# endif
9b36a80c
LC		 691#endif
692
693
f29ded4b 694#if @GNULIB_GETGROUPS@
f29ded4b
LC		 695/* Return the supplemental groups that the current process belongs to.
696 It is unspecified whether the effective group id is in the list.
697 If N is 0, return the group count; otherwise, N describes how many
698 entries are available in GROUPS. Return -1 and set errno if N is
699 not 0 and not large enough. Fails with ENOSYS on some systems. */
f4c79b3c
LC		 700# if @REPLACE_GETGROUPS@
701# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
702# undef getgroups
703# define getgroups rpl_getgroups
704# endif
705_GL_FUNCDECL_RPL (getgroups, int, (int n, gid_t *groups));
706_GL_CXXALIAS_RPL (getgroups, int, (int n, gid_t *groups));
707# else
708# if !@HAVE_GETGROUPS@
709_GL_FUNCDECL_SYS (getgroups, int, (int n, gid_t *groups));
710# endif
711_GL_CXXALIAS_SYS (getgroups, int, (int n, gid_t *groups));
f29ded4b 712# endif
f4c79b3c 713_GL_CXXALIASWARN (getgroups);
f29ded4b
LC		 714#elif defined GNULIB_POSIXCHECK
715# undef getgroups
61cd9dc9
LC		 716# if HAVE_RAW_DECL_GETGROUPS
717_GL_WARN_ON_USE (getgroups, "getgroups is unportable - "
718 "use gnulib module getgroups for portability");
719# endif
f29ded4b
LC		 720#endif
721
722
9b36a80c
LC		 723#if @GNULIB_GETHOSTNAME@
724/* Return the standard host name of the machine.
725 WARNING! The host name may or may not be fully qualified.
726
727 Put up to LEN bytes of the host name into NAME.
728 Null terminate it if the name is shorter than LEN.
729 If the host name is longer than LEN, set errno = EINVAL and return -1.
730 Return 0 if successful, otherwise set errno and return -1. */
731# if @UNISTD_H_HAVE_WINSOCK2_H@
f4c79b3c
LC		 732# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
733# undef gethostname
734# define gethostname rpl_gethostname
735# endif
736_GL_FUNCDECL_RPL (gethostname, int, (char *name, size_t len)
737 _GL_ARG_NONNULL ((1)));
738_GL_CXXALIAS_RPL (gethostname, int, (char *name, size_t len));
739# else
740# if !@HAVE_GETHOSTNAME@
741_GL_FUNCDECL_SYS (gethostname, int, (char *name, size_t len)
742 _GL_ARG_NONNULL ((1)));
743# endif
ab4d62ad
LC		 744/* Need to cast, because on Solaris 10 and OSF/1 5.1 systems, the second
745 parameter is
f4c79b3c
LC		 746 int len. */
747_GL_CXXALIAS_SYS_CAST (gethostname, int, (char *name, size_t len));
9b36a80c 748# endif
f4c79b3c 749_GL_CXXALIASWARN (gethostname);
9b36a80c
LC		 750#elif @UNISTD_H_HAVE_WINSOCK2_H@
751# undef gethostname
752# define gethostname gethostname_used_without_requesting_gnulib_module_gethostname
753#elif defined GNULIB_POSIXCHECK
754# undef gethostname
61cd9dc9
LC		 755# if HAVE_RAW_DECL_GETHOSTNAME
756_GL_WARN_ON_USE (gethostname, "gethostname is unportable - "
757 "use gnulib module gethostname for portability");
758# endif
759#endif
760
761
762#if @GNULIB_GETLOGIN@
763/* Returns the user's login name, or NULL if it cannot be found. Upon error,
764 returns NULL with errno set.
765
766 See <http://www.opengroup.org/susv3xsh/getlogin.html>.
767
768 Most programs don't need to use this function, because the information is
769 available through environment variables:
770 ${LOGNAME-$USER} on Unix platforms,
771 $USERNAME on native Windows platforms.
772 */
773# if !@HAVE_GETLOGIN@
f4c79b3c 774_GL_FUNCDECL_SYS (getlogin, char *, (void));
61cd9dc9 775# endif
f4c79b3c
LC		 776_GL_CXXALIAS_SYS (getlogin, char *, (void));
777_GL_CXXALIASWARN (getlogin);
61cd9dc9
LC		 778#elif defined GNULIB_POSIXCHECK
779# undef getlogin
780# if HAVE_RAW_DECL_GETLOGIN
781_GL_WARN_ON_USE (getlogin, "getlogin is unportable - "
782 "use gnulib module getlogin for portability");
783# endif
9b36a80c
LC		 784#endif
785
786
787#if @GNULIB_GETLOGIN_R@
788/* Copies the user's login name to NAME.
789 The array pointed to by NAME has room for SIZE bytes.
790
791 Returns 0 if successful. Upon error, an error number is returned, or -1 in
792 the case that the login name cannot be found but no specific error is
793 provided (this case is hopefully rare but is left open by the POSIX spec).
794
795 See <http://www.opengroup.org/susv3xsh/getlogin.html>.
61cd9dc9
LC		 796
797 Most programs don't need to use this function, because the information is
798 available through environment variables:
799 ${LOGNAME-$USER} on Unix platforms,
800 $USERNAME on native Windows platforms.
9b36a80c 801 */
49114fd4
LC		 802# if @REPLACE_GETLOGIN_R@
803# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
804# define getlogin_r rpl_getlogin_r
805# endif
806_GL_FUNCDECL_RPL (getlogin_r, int, (char *name, size_t size)
807 _GL_ARG_NONNULL ((1)));
808_GL_CXXALIAS_RPL (getlogin_r, int, (char *name, size_t size));
809# else
810# if !@HAVE_DECL_GETLOGIN_R@
f4c79b3c
LC		 811_GL_FUNCDECL_SYS (getlogin_r, int, (char *name, size_t size)
812 _GL_ARG_NONNULL ((1)));
49114fd4 813# endif
f4c79b3c
LC		 814/* Need to cast, because on Solaris 10 systems, the second argument is
815 int size. */
816_GL_CXXALIAS_SYS_CAST (getlogin_r, int, (char *name, size_t size));
49114fd4 817# endif
f4c79b3c 818_GL_CXXALIASWARN (getlogin_r);
9b36a80c
LC		 819#elif defined GNULIB_POSIXCHECK
820# undef getlogin_r
61cd9dc9
LC		 821# if HAVE_RAW_DECL_GETLOGIN_R
822_GL_WARN_ON_USE (getlogin_r, "getlogin_r is unportable - "
823 "use gnulib module getlogin_r for portability");
824# endif
9b36a80c
LC		 825#endif
826
827
828#if @GNULIB_GETPAGESIZE@
829# if @REPLACE_GETPAGESIZE@
f4c79b3c
LC		 830# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
831# define getpagesize rpl_getpagesize
9b36a80c 832# endif
f4c79b3c
LC		 833_GL_FUNCDECL_RPL (getpagesize, int, (void));
834_GL_CXXALIAS_RPL (getpagesize, int, (void));
835# else
836# if !@HAVE_GETPAGESIZE@
837# if !defined getpagesize
838/* This is for POSIX systems. */
839# if !defined _gl_getpagesize && defined _SC_PAGESIZE
840# if ! (defined __VMS && __VMS_VER < 70000000)
841# define _gl_getpagesize() sysconf (_SC_PAGESIZE)
842# endif
843# endif
9b36a80c 844/* This is for older VMS. */
f4c79b3c
LC		 845# if !defined _gl_getpagesize && defined __VMS
846# ifdef __ALPHA
847# define _gl_getpagesize() 8192
848# else
849# define _gl_getpagesize() 512
850# endif
851# endif
9b36a80c 852/* This is for BeOS. */
f4c79b3c
LC		 853# if !defined _gl_getpagesize && @HAVE_OS_H@
854# include <OS.h>
855# if defined B_PAGE_SIZE
856# define _gl_getpagesize() B_PAGE_SIZE
857# endif
858# endif
9b36a80c 859/* This is for AmigaOS4.0. */
f4c79b3c
LC		 860# if !defined _gl_getpagesize && defined __amigaos4__
861# define _gl_getpagesize() 2048
862# endif
9b36a80c 863/* This is for older Unix systems. */
f4c79b3c
LC		 864# if !defined _gl_getpagesize && @HAVE_SYS_PARAM_H@
865# include <sys/param.h>
866# ifdef EXEC_PAGESIZE
867# define _gl_getpagesize() EXEC_PAGESIZE
868# else
869# ifdef NBPG
870# ifndef CLSIZE
871# define CLSIZE 1
872# endif
873# define _gl_getpagesize() (NBPG * CLSIZE)
874# else
875# ifdef NBPC
876# define _gl_getpagesize() NBPC
877# endif
878# endif
9b36a80c 879# endif
f4c79b3c
LC		 880# endif
881# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
882# define getpagesize() _gl_getpagesize ()
9b36a80c 883# else
49114fd4 884# if !GNULIB_defined_getpagesize_function
af07e104 885_GL_UNISTD_INLINE int
f4c79b3c
LC		 886getpagesize ()
887{
888 return _gl_getpagesize ();
889}
49114fd4
LC		 890# define GNULIB_defined_getpagesize_function 1
891# endif
9b36a80c
LC		 892# endif
893# endif
894# endif
f4c79b3c
LC		 895/* Need to cast, because on Cygwin 1.5.x systems, the return type is size_t. */
896_GL_CXXALIAS_SYS_CAST (getpagesize, int, (void));
9b36a80c 897# endif
a927b6c1 898# if @HAVE_DECL_GETPAGESIZE@
f4c79b3c 899_GL_CXXALIASWARN (getpagesize);
a927b6c1 900# endif
9b36a80c
LC		 901#elif defined GNULIB_POSIXCHECK
902# undef getpagesize
61cd9dc9
LC		 903# if HAVE_RAW_DECL_GETPAGESIZE
904_GL_WARN_ON_USE (getpagesize, "getpagesize is unportable - "
905 "use gnulib module getpagesize for portability");
906# endif
9b36a80c
LC		 907#endif
908
909
910#if @GNULIB_GETUSERSHELL@
9b36a80c
LC		 911/* Return the next valid login shell on the system, or NULL when the end of
912 the list has been reached. */
a927b6c1 913# if !@HAVE_DECL_GETUSERSHELL@
f4c79b3c 914_GL_FUNCDECL_SYS (getusershell, char *, (void));
9b36a80c 915# endif
f4c79b3c
LC		 916_GL_CXXALIAS_SYS (getusershell, char *, (void));
917_GL_CXXALIASWARN (getusershell);
9b36a80c
LC		 918#elif defined GNULIB_POSIXCHECK
919# undef getusershell
61cd9dc9
LC		 920# if HAVE_RAW_DECL_GETUSERSHELL
921_GL_WARN_ON_USE (getusershell, "getusershell is unportable - "
922 "use gnulib module getusershell for portability");
923# endif
f4c79b3c
LC		 924#endif
925
926#if @GNULIB_GETUSERSHELL@
927/* Rewind to pointer that is advanced at each getusershell() call. */
a927b6c1 928# if !@HAVE_DECL_GETUSERSHELL@
f4c79b3c
LC		 929_GL_FUNCDECL_SYS (setusershell, void, (void));
930# endif
931_GL_CXXALIAS_SYS (setusershell, void, (void));
932_GL_CXXALIASWARN (setusershell);
933#elif defined GNULIB_POSIXCHECK
9b36a80c 934# undef setusershell
61cd9dc9
LC		 935# if HAVE_RAW_DECL_SETUSERSHELL
936_GL_WARN_ON_USE (setusershell, "setusershell is unportable - "
937 "use gnulib module getusershell for portability");
938# endif
f4c79b3c
LC		 939#endif
940
941#if @GNULIB_GETUSERSHELL@
942/* Free the pointer that is advanced at each getusershell() call and
943 associated resources. */
a927b6c1 944# if !@HAVE_DECL_GETUSERSHELL@
f4c79b3c
LC		 945_GL_FUNCDECL_SYS (endusershell, void, (void));
946# endif
947_GL_CXXALIAS_SYS (endusershell, void, (void));
948_GL_CXXALIASWARN (endusershell);
949#elif defined GNULIB_POSIXCHECK
9b36a80c 950# undef endusershell
61cd9dc9
LC		 951# if HAVE_RAW_DECL_ENDUSERSHELL
952_GL_WARN_ON_USE (endusershell, "endusershell is unportable - "
953 "use gnulib module getusershell for portability");
954# endif
9b36a80c
LC		 955#endif
956
957
3d458a81
AW		 958#if @GNULIB_GROUP_MEMBER@
959/* Determine whether group id is in calling user's group list. */
960# if !@HAVE_GROUP_MEMBER@
961_GL_FUNCDECL_SYS (group_member, int, (gid_t gid));
962# endif
963_GL_CXXALIAS_SYS (group_member, int, (gid_t gid));
964_GL_CXXALIASWARN (group_member);
965#elif defined GNULIB_POSIXCHECK
966# undef group_member
967# if HAVE_RAW_DECL_GROUP_MEMBER
968_GL_WARN_ON_USE (group_member, "group_member is unportable - "
969 "use gnulib module group-member for portability");
970# endif
971#endif
972
973
f0007cad
LC		 974#if @GNULIB_ISATTY@
975# if @REPLACE_ISATTY@
976# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
977# undef isatty
978# define isatty rpl_isatty
979# endif
980_GL_FUNCDECL_RPL (isatty, int, (int fd));
981_GL_CXXALIAS_RPL (isatty, int, (int fd));
982# else
983_GL_CXXALIAS_SYS (isatty, int, (int fd));
984# endif
985_GL_CXXALIASWARN (isatty);
986#elif defined GNULIB_POSIXCHECK
987# undef isatty
988# if HAVE_RAW_DECL_ISATTY
989_GL_WARN_ON_USE (isatty, "isatty has portability problems on native Windows - "
990 "use gnulib module isatty for portability");
991# endif
992#endif
993
994
9b36a80c 995#if @GNULIB_LCHOWN@
9b36a80c
LC		 996/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
997 to GID (if GID is not -1). Do not follow symbolic links.
998 Return 0 if successful, otherwise -1 and errno set.
35428fb6
LC		 999 See the POSIX:2008 specification
1000 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lchown.html>. */
f4c79b3c
LC		 1001# if @REPLACE_LCHOWN@
1002# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1003# undef lchown
1004# define lchown rpl_lchown
1005# endif
1006_GL_FUNCDECL_RPL (lchown, int, (char const *file, uid_t owner, gid_t group)
1007 _GL_ARG_NONNULL ((1)));
1008_GL_CXXALIAS_RPL (lchown, int, (char const *file, uid_t owner, gid_t group));
1009# else
1010# if !@HAVE_LCHOWN@
1011_GL_FUNCDECL_SYS (lchown, int, (char const *file, uid_t owner, gid_t group)
1012 _GL_ARG_NONNULL ((1)));
1013# endif
1014_GL_CXXALIAS_SYS (lchown, int, (char const *file, uid_t owner, gid_t group));
9b36a80c 1015# endif
f4c79b3c 1016_GL_CXXALIASWARN (lchown);
9b36a80c
LC		 1017#elif defined GNULIB_POSIXCHECK
1018# undef lchown
61cd9dc9
LC		 1019# if HAVE_RAW_DECL_LCHOWN
1020_GL_WARN_ON_USE (lchown, "lchown is unportable to pre-POSIX.1-2001 systems - "
1021 "use gnulib module lchown for portability");
1022# endif
9b36a80c
LC		 1023#endif
1024
1025
f240aacb
LC		 1026#if @GNULIB_LINK@
1027/* Create a new hard link for an existing file.
1028 Return 0 if successful, otherwise -1 and errno set.
35428fb6
LC		 1029 See POSIX:2008 specification
1030 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html>. */
f4c79b3c
LC		 1031# if @REPLACE_LINK@
1032# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1033# define link rpl_link
1034# endif
1035_GL_FUNCDECL_RPL (link, int, (const char *path1, const char *path2)
1036 _GL_ARG_NONNULL ((1, 2)));
1037_GL_CXXALIAS_RPL (link, int, (const char *path1, const char *path2));
1038# else
1039# if !@HAVE_LINK@
1040_GL_FUNCDECL_SYS (link, int, (const char *path1, const char *path2)
1041 _GL_ARG_NONNULL ((1, 2)));
1042# endif
1043_GL_CXXALIAS_SYS (link, int, (const char *path1, const char *path2));
f240aacb 1044# endif
f4c79b3c 1045_GL_CXXALIASWARN (link);
f240aacb
LC		 1046#elif defined GNULIB_POSIXCHECK
1047# undef link
61cd9dc9
LC		 1048# if HAVE_RAW_DECL_LINK
1049_GL_WARN_ON_USE (link, "link is unportable - "
1050 "use gnulib module link for portability");
1051# endif
f240aacb
LC		 1052#endif
1053
f4c79b3c 1054
8912421c 1055#if @GNULIB_LINKAT@
8912421c
LC		 1056/* Create a new hard link for an existing file, relative to two
1057 directories. FLAG controls whether symlinks are followed.
1058 Return 0 if successful, otherwise -1 and errno set. */
f4c79b3c
LC		 1059# if @REPLACE_LINKAT@
1060# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1061# undef linkat
1062# define linkat rpl_linkat
1063# endif
1064_GL_FUNCDECL_RPL (linkat, int,
1065 (int fd1, const char *path1, int fd2, const char *path2,
1cd4fffc 1066 int flag)
f4c79b3c
LC		 1067 _GL_ARG_NONNULL ((2, 4)));
1068_GL_CXXALIAS_RPL (linkat, int,
1069 (int fd1, const char *path1, int fd2, const char *path2,
1070 int flag));
1071# else
1072# if !@HAVE_LINKAT@
1073_GL_FUNCDECL_SYS (linkat, int,
1074 (int fd1, const char *path1, int fd2, const char *path2,
1075 int flag)
1076 _GL_ARG_NONNULL ((2, 4)));
1077# endif
1078_GL_CXXALIAS_SYS (linkat, int,
1079 (int fd1, const char *path1, int fd2, const char *path2,
1080 int flag));
8912421c 1081# endif
f4c79b3c 1082_GL_CXXALIASWARN (linkat);
8912421c
LC		 1083#elif defined GNULIB_POSIXCHECK
1084# undef linkat
61cd9dc9
LC		 1085# if HAVE_RAW_DECL_LINKAT
1086_GL_WARN_ON_USE (linkat, "linkat is unportable - "
1087 "use gnulib module linkat for portability");
1088# endif
8912421c 1089#endif
f240aacb 1090
f4c79b3c 1091
9b36a80c 1092#if @GNULIB_LSEEK@
9b36a80c
LC		 1093/* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END.
1094 Return the new offset if successful, otherwise -1 and errno set.
35428fb6
LC		 1095 See the POSIX:2008 specification
1096 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html>. */
f4c79b3c
LC		 1097# if @REPLACE_LSEEK@
1098# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1099# define lseek rpl_lseek
1100# endif
1101_GL_FUNCDECL_RPL (lseek, off_t, (int fd, off_t offset, int whence));
1102_GL_CXXALIAS_RPL (lseek, off_t, (int fd, off_t offset, int whence));
1103# else
1104_GL_CXXALIAS_SYS (lseek, off_t, (int fd, off_t offset, int whence));
9b36a80c 1105# endif
f4c79b3c 1106_GL_CXXALIASWARN (lseek);
9b36a80c
LC		 1107#elif defined GNULIB_POSIXCHECK
1108# undef lseek
61cd9dc9
LC		 1109# if HAVE_RAW_DECL_LSEEK
1110_GL_WARN_ON_USE (lseek, "lseek does not fail with ESPIPE on pipes on some "
1111 "systems - use gnulib module lseek for portability");
1112# endif
9b36a80c
LC		 1113#endif
1114
1115
ab4d62ad
LC		 1116#if @GNULIB_PIPE@
1117/* Create a pipe, defaulting to O_BINARY mode.
1118 Store the read-end as fd[0] and the write-end as fd[1].
1119 Return 0 upon success, or -1 with errno set upon failure. */
1120# if !@HAVE_PIPE@
1121_GL_FUNCDECL_SYS (pipe, int, (int fd[2]) _GL_ARG_NONNULL ((1)));
1122# endif
1123_GL_CXXALIAS_SYS (pipe, int, (int fd[2]));
1124_GL_CXXALIASWARN (pipe);
1125#elif defined GNULIB_POSIXCHECK
1126# undef pipe
1127# if HAVE_RAW_DECL_PIPE
1128_GL_WARN_ON_USE (pipe, "pipe is unportable - "
1129 "use gnulib module pipe-posix for portability");
1130# endif
1131#endif
1132
1133
8912421c
LC		 1134#if @GNULIB_PIPE2@
1135/* Create a pipe, applying the given flags when opening the read-end of the
1136 pipe and the write-end of the pipe.
1137 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
1138 and O_TEXT, O_BINARY (defined in "binary-io.h").
1139 Store the read-end as fd[0] and the write-end as fd[1].
1140 Return 0 upon success, or -1 with errno set upon failure.
1141 See also the Linux man page at
1142 <http://www.kernel.org/doc/man-pages/online/pages/man2/pipe2.2.html>. */
1143# if @HAVE_PIPE2@
f4c79b3c
LC		 1144# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1145# define pipe2 rpl_pipe2
1146# endif
1147_GL_FUNCDECL_RPL (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1)));
1148_GL_CXXALIAS_RPL (pipe2, int, (int fd[2], int flags));
1149# else
1150_GL_FUNCDECL_SYS (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1)));
1151_GL_CXXALIAS_SYS (pipe2, int, (int fd[2], int flags));
8912421c 1152# endif
f4c79b3c 1153_GL_CXXALIASWARN (pipe2);
8912421c
LC		 1154#elif defined GNULIB_POSIXCHECK
1155# undef pipe2
61cd9dc9
LC		 1156# if HAVE_RAW_DECL_PIPE2
1157_GL_WARN_ON_USE (pipe2, "pipe2 is unportable - "
1158 "use gnulib module pipe2 for portability");
1159# endif
8912421c
LC		 1160#endif
1161
1162
1cd4fffc 1163#if @GNULIB_PREAD@
1cd4fffc
LC		 1164/* Read at most BUFSIZE bytes from FD into BUF, starting at OFFSET.
1165 Return the number of bytes placed into BUF if successful, otherwise
35428fb6
LC		 1166 set errno and return -1. 0 indicates EOF.
1167 See the POSIX:2008 specification
1168 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pread.html>. */
f4c79b3c
LC		 1169# if @REPLACE_PREAD@
1170# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
231c0e0e 1171# undef pread
f4c79b3c
LC		 1172# define pread rpl_pread
1173# endif
1174_GL_FUNCDECL_RPL (pread, ssize_t,
1175 (int fd, void *buf, size_t bufsize, off_t offset)
1176 _GL_ARG_NONNULL ((2)));
1177_GL_CXXALIAS_RPL (pread, ssize_t,
1178 (int fd, void *buf, size_t bufsize, off_t offset));
1179# else
1180# if !@HAVE_PREAD@
1181_GL_FUNCDECL_SYS (pread, ssize_t,
1182 (int fd, void *buf, size_t bufsize, off_t offset)
1183 _GL_ARG_NONNULL ((2)));
1184# endif
1185_GL_CXXALIAS_SYS (pread, ssize_t,
1186 (int fd, void *buf, size_t bufsize, off_t offset));
1cd4fffc 1187# endif
f4c79b3c 1188_GL_CXXALIASWARN (pread);
1cd4fffc
LC		 1189#elif defined GNULIB_POSIXCHECK
1190# undef pread
61cd9dc9
LC		 1191# if HAVE_RAW_DECL_PREAD
1192_GL_WARN_ON_USE (pread, "pread is unportable - "
1193 "use gnulib module pread for portability");
1194# endif
1cd4fffc
LC		 1195#endif
1196
1197
a927b6c1
LC		 1198#if @GNULIB_PWRITE@
1199/* Write at most BUFSIZE bytes from BUF into FD, starting at OFFSET.
1200 Return the number of bytes written if successful, otherwise
1201 set errno and return -1. 0 indicates nothing written. See the
35428fb6
LC		 1202 POSIX:2008 specification
1203 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pwrite.html>. */
a927b6c1
LC		 1204# if @REPLACE_PWRITE@
1205# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
231c0e0e 1206# undef pwrite
a927b6c1
LC		 1207# define pwrite rpl_pwrite
1208# endif
1209_GL_FUNCDECL_RPL (pwrite, ssize_t,
1210 (int fd, const void *buf, size_t bufsize, off_t offset)
1211 _GL_ARG_NONNULL ((2)));
1212_GL_CXXALIAS_RPL (pwrite, ssize_t,
1213 (int fd, const void *buf, size_t bufsize, off_t offset));
1214# else
1215# if !@HAVE_PWRITE@
1216_GL_FUNCDECL_SYS (pwrite, ssize_t,
1217 (int fd, const void *buf, size_t bufsize, off_t offset)
1218 _GL_ARG_NONNULL ((2)));
1219# endif
1220_GL_CXXALIAS_SYS (pwrite, ssize_t,
1221 (int fd, const void *buf, size_t bufsize, off_t offset));
1222# endif
1223_GL_CXXALIASWARN (pwrite);
1224#elif defined GNULIB_POSIXCHECK
1225# undef pwrite
1226# if HAVE_RAW_DECL_PWRITE
1227_GL_WARN_ON_USE (pwrite, "pwrite is unportable - "
1228 "use gnulib module pwrite for portability");
1229# endif
1230#endif
1231
1232
dd7d0148
LC		 1233#if @GNULIB_READ@
1234/* Read up to COUNT bytes from file descriptor FD into the buffer starting
35428fb6
LC		 1235 at BUF. See the POSIX:2008 specification
1236 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html>. */
1237# if @REPLACE_READ@
dd7d0148
LC		 1238# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1239# undef read
1240# define read rpl_read
1241# endif
1242_GL_FUNCDECL_RPL (read, ssize_t, (int fd, void *buf, size_t count)
1243 _GL_ARG_NONNULL ((2)));
1244_GL_CXXALIAS_RPL (read, ssize_t, (int fd, void *buf, size_t count));
1245# else
1246/* Need to cast, because on mingw, the third parameter is
1247 unsigned int count
1248 and the return type is 'int'. */
1249_GL_CXXALIAS_SYS_CAST (read, ssize_t, (int fd, void *buf, size_t count));
1250# endif
1251_GL_CXXALIASWARN (read);
1252#endif
1253
1254
9b36a80c
LC		 1255#if @GNULIB_READLINK@
1256/* Read the contents of the symbolic link FILE and place the first BUFSIZE
1257 bytes of it into BUF. Return the number of bytes placed into BUF if
1258 successful, otherwise -1 and errno set.
35428fb6
LC		 1259 See the POSIX:2008 specification
1260 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html>. */
f4c79b3c
LC		 1261# if @REPLACE_READLINK@
1262# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1263# define readlink rpl_readlink
1264# endif
1265_GL_FUNCDECL_RPL (readlink, ssize_t,
1266 (const char *file, char *buf, size_t bufsize)
1267 _GL_ARG_NONNULL ((1, 2)));
1268_GL_CXXALIAS_RPL (readlink, ssize_t,
1269 (const char *file, char *buf, size_t bufsize));
1270# else
1271# if !@HAVE_READLINK@
1272_GL_FUNCDECL_SYS (readlink, ssize_t,
1273 (const char *file, char *buf, size_t bufsize)
1274 _GL_ARG_NONNULL ((1, 2)));
1275# endif
1276_GL_CXXALIAS_SYS (readlink, ssize_t,
1277 (const char *file, char *buf, size_t bufsize));
9b36a80c 1278# endif
f4c79b3c 1279_GL_CXXALIASWARN (readlink);
9b36a80c
LC		 1280#elif defined GNULIB_POSIXCHECK
1281# undef readlink
61cd9dc9
LC		 1282# if HAVE_RAW_DECL_READLINK
1283_GL_WARN_ON_USE (readlink, "readlink is unportable - "
1284 "use gnulib module readlink for portability");
1285# endif
9b36a80c
LC		 1286#endif
1287
1288
8912421c
LC		 1289#if @GNULIB_READLINKAT@
1290# if !@HAVE_READLINKAT@
f4c79b3c
LC		 1291_GL_FUNCDECL_SYS (readlinkat, ssize_t,
1292 (int fd, char const *file, char *buf, size_t len)
1293 _GL_ARG_NONNULL ((2, 3)));
8912421c 1294# endif
f4c79b3c
LC		 1295_GL_CXXALIAS_SYS (readlinkat, ssize_t,
1296 (int fd, char const *file, char *buf, size_t len));
1297_GL_CXXALIASWARN (readlinkat);
8912421c
LC		 1298#elif defined GNULIB_POSIXCHECK
1299# undef readlinkat
61cd9dc9
LC		 1300# if HAVE_RAW_DECL_READLINKAT
1301_GL_WARN_ON_USE (readlinkat, "readlinkat is not portable - "
9157d901 1302 "use gnulib module readlinkat for portability");
61cd9dc9 1303# endif
8912421c
LC		 1304#endif
1305
1306
1307#if @GNULIB_RMDIR@
8912421c 1308/* Remove the directory DIR. */
f4c79b3c
LC		 1309# if @REPLACE_RMDIR@
1310# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1311# define rmdir rpl_rmdir
1312# endif
1313_GL_FUNCDECL_RPL (rmdir, int, (char const *name) _GL_ARG_NONNULL ((1)));
1314_GL_CXXALIAS_RPL (rmdir, int, (char const *name));
1315# else
1316_GL_CXXALIAS_SYS (rmdir, int, (char const *name));
8912421c 1317# endif
f4c79b3c 1318_GL_CXXALIASWARN (rmdir);
8912421c
LC		 1319#elif defined GNULIB_POSIXCHECK
1320# undef rmdir
61cd9dc9
LC		 1321# if HAVE_RAW_DECL_RMDIR
1322_GL_WARN_ON_USE (rmdir, "rmdir is unportable - "
1323 "use gnulib module rmdir for portability");
1324# endif
8912421c
LC		 1325#endif
1326
1327
7f1ea859
LC		 1328#if @GNULIB_SETHOSTNAME@
1329/* Set the host name of the machine.
1330 The host name may or may not be fully qualified.
1331
1332 Put LEN bytes of NAME into the host name.
1333 Return 0 if successful, otherwise, set errno and return -1.
1334
1335 Platforms with no ability to set the hostname return -1 and set
1336 errno = ENOSYS. */
1337# if !@HAVE_SETHOSTNAME@ || !@HAVE_DECL_SETHOSTNAME@
1338_GL_FUNCDECL_SYS (sethostname, int, (const char *name, size_t len)
1339 _GL_ARG_NONNULL ((1)));
1340# endif
005de2e8 1341/* Need to cast, because on Solaris 11 2011-10, Mac OS X 10.5, IRIX 6.5
7f1ea859
LC		 1342 and FreeBSD 6.4 the second parameter is int. On Solaris 11
1343 2011-10, the first parameter is not const. */
1344_GL_CXXALIAS_SYS_CAST (sethostname, int, (const char *name, size_t len));
1345_GL_CXXALIASWARN (sethostname);
1346#elif defined GNULIB_POSIXCHECK
1347# undef sethostname
1348# if HAVE_RAW_DECL_SETHOSTNAME
1349_GL_WARN_ON_USE (sethostname, "sethostname is unportable - "
1350 "use gnulib module sethostname for portability");
1351# endif
1352#endif
1353
1354
9b36a80c
LC		 1355#if @GNULIB_SLEEP@
1356/* Pause the execution of the current thread for N seconds.
1357 Returns the number of seconds left to sleep.
35428fb6
LC		 1358 See the POSIX:2008 specification
1359 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html>. */
f4c79b3c
LC		 1360# if @REPLACE_SLEEP@
1361# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1362# undef sleep
1363# define sleep rpl_sleep
1364# endif
1365_GL_FUNCDECL_RPL (sleep, unsigned int, (unsigned int n));
1366_GL_CXXALIAS_RPL (sleep, unsigned int, (unsigned int n));
1367# else
1368# if !@HAVE_SLEEP@
1369_GL_FUNCDECL_SYS (sleep, unsigned int, (unsigned int n));
1370# endif
1371_GL_CXXALIAS_SYS (sleep, unsigned int, (unsigned int n));
9b36a80c 1372# endif
f4c79b3c 1373_GL_CXXALIASWARN (sleep);
9b36a80c
LC		 1374#elif defined GNULIB_POSIXCHECK
1375# undef sleep
61cd9dc9
LC		 1376# if HAVE_RAW_DECL_SLEEP
1377_GL_WARN_ON_USE (sleep, "sleep is unportable - "
1378 "use gnulib module sleep for portability");
1379# endif
9b36a80c
LC		 1380#endif
1381
1382
8912421c
LC		 1383#if @GNULIB_SYMLINK@
1384# if @REPLACE_SYMLINK@
f4c79b3c
LC		 1385# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1386# undef symlink
1387# define symlink rpl_symlink
1388# endif
1389_GL_FUNCDECL_RPL (symlink, int, (char const *contents, char const *file)
1390 _GL_ARG_NONNULL ((1, 2)));
1391_GL_CXXALIAS_RPL (symlink, int, (char const *contents, char const *file));
1392# else
1393# if !@HAVE_SYMLINK@
1394_GL_FUNCDECL_SYS (symlink, int, (char const *contents, char const *file)
1395 _GL_ARG_NONNULL ((1, 2)));
1396# endif
1397_GL_CXXALIAS_SYS (symlink, int, (char const *contents, char const *file));
8912421c 1398# endif
f4c79b3c 1399_GL_CXXALIASWARN (symlink);
8912421c
LC		 1400#elif defined GNULIB_POSIXCHECK
1401# undef symlink
61cd9dc9
LC		 1402# if HAVE_RAW_DECL_SYMLINK
1403_GL_WARN_ON_USE (symlink, "symlink is not portable - "
1404 "use gnulib module symlink for portability");
1405# endif
8912421c
LC		 1406#endif
1407
1408
1409#if @GNULIB_SYMLINKAT@
1410# if !@HAVE_SYMLINKAT@
f4c79b3c
LC		 1411_GL_FUNCDECL_SYS (symlinkat, int,
1412 (char const *contents, int fd, char const *file)
1413 _GL_ARG_NONNULL ((1, 3)));
8912421c 1414# endif
f4c79b3c
LC		 1415_GL_CXXALIAS_SYS (symlinkat, int,
1416 (char const *contents, int fd, char const *file));
1417_GL_CXXALIASWARN (symlinkat);
8912421c
LC		 1418#elif defined GNULIB_POSIXCHECK
1419# undef symlinkat
61cd9dc9
LC		 1420# if HAVE_RAW_DECL_SYMLINKAT
1421_GL_WARN_ON_USE (symlinkat, "symlinkat is not portable - "
1422 "use gnulib module symlinkat for portability");
1423# endif
8912421c
LC		 1424#endif
1425
1426
a927b6c1
LC		 1427#if @GNULIB_TTYNAME_R@
1428/* Store at most BUFLEN characters of the pathname of the terminal FD is
1429 open on in BUF. Return 0 on success, otherwise an error number. */
1430# if @REPLACE_TTYNAME_R@
1431# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1432# undef ttyname_r
1433# define ttyname_r rpl_ttyname_r
1434# endif
1435_GL_FUNCDECL_RPL (ttyname_r, int,
1436 (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2)));
1437_GL_CXXALIAS_RPL (ttyname_r, int,
1438 (int fd, char *buf, size_t buflen));
1439# else
ab4d62ad 1440# if !@HAVE_DECL_TTYNAME_R@
a927b6c1
LC		 1441_GL_FUNCDECL_SYS (ttyname_r, int,
1442 (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2)));
1443# endif
1444_GL_CXXALIAS_SYS (ttyname_r, int,
1445 (int fd, char *buf, size_t buflen));
1446# endif
1447_GL_CXXALIASWARN (ttyname_r);
1448#elif defined GNULIB_POSIXCHECK
1449# undef ttyname_r
1450# if HAVE_RAW_DECL_TTYNAME_R
1451_GL_WARN_ON_USE (ttyname_r, "ttyname_r is not portable - "
1452 "use gnulib module ttyname_r for portability");
1453# endif
1454#endif
1455
1456
8912421c
LC		 1457#if @GNULIB_UNLINK@
1458# if @REPLACE_UNLINK@
f4c79b3c
LC		 1459# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1460# undef unlink
1461# define unlink rpl_unlink
1462# endif
1463_GL_FUNCDECL_RPL (unlink, int, (char const *file) _GL_ARG_NONNULL ((1)));
1464_GL_CXXALIAS_RPL (unlink, int, (char const *file));
1465# else
1466_GL_CXXALIAS_SYS (unlink, int, (char const *file));
8912421c 1467# endif
f4c79b3c 1468_GL_CXXALIASWARN (unlink);
8912421c
LC		 1469#elif defined GNULIB_POSIXCHECK
1470# undef unlink
61cd9dc9
LC		 1471# if HAVE_RAW_DECL_UNLINK
1472_GL_WARN_ON_USE (unlink, "unlink is not portable - "
1473 "use gnulib module unlink for portability");
1474# endif
8912421c
LC		 1475#endif
1476
1477
1478#if @GNULIB_UNLINKAT@
1479# if @REPLACE_UNLINKAT@
f4c79b3c
LC		 1480# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1481# undef unlinkat
1482# define unlinkat rpl_unlinkat
1483# endif
1484_GL_FUNCDECL_RPL (unlinkat, int, (int fd, char const *file, int flag)
1485 _GL_ARG_NONNULL ((2)));
1486_GL_CXXALIAS_RPL (unlinkat, int, (int fd, char const *file, int flag));
1487# else
1488# if !@HAVE_UNLINKAT@
1489_GL_FUNCDECL_SYS (unlinkat, int, (int fd, char const *file, int flag)
1490 _GL_ARG_NONNULL ((2)));
1491# endif
1492_GL_CXXALIAS_SYS (unlinkat, int, (int fd, char const *file, int flag));
8912421c 1493# endif
f4c79b3c 1494_GL_CXXALIASWARN (unlinkat);
8912421c
LC		 1495#elif defined GNULIB_POSIXCHECK
1496# undef unlinkat
61cd9dc9
LC		 1497# if HAVE_RAW_DECL_UNLINKAT
1498_GL_WARN_ON_USE (unlinkat, "unlinkat is not portable - "
1499 "use gnulib module openat for portability");
1500# endif
8912421c
LC		 1501#endif
1502
1503
414e4441 1504#if @GNULIB_USLEEP@
414e4441
LC		 1505/* Pause the execution of the current thread for N microseconds.
1506 Returns 0 on completion, or -1 on range error.
1507 See the POSIX:2001 specification
35428fb6 1508 <http://www.opengroup.org/susv3xsh/usleep.html>. */
f4c79b3c
LC		 1509# if @REPLACE_USLEEP@
1510# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1511# undef usleep
1512# define usleep rpl_usleep
1513# endif
1514_GL_FUNCDECL_RPL (usleep, int, (useconds_t n));
1515_GL_CXXALIAS_RPL (usleep, int, (useconds_t n));
1516# else
1517# if !@HAVE_USLEEP@
1518_GL_FUNCDECL_SYS (usleep, int, (useconds_t n));
1519# endif
1520_GL_CXXALIAS_SYS (usleep, int, (useconds_t n));
414e4441 1521# endif
f4c79b3c 1522_GL_CXXALIASWARN (usleep);
414e4441
LC		 1523#elif defined GNULIB_POSIXCHECK
1524# undef usleep
61cd9dc9
LC		 1525# if HAVE_RAW_DECL_USLEEP
1526_GL_WARN_ON_USE (usleep, "usleep is unportable - "
1527 "use gnulib module usleep for portability");
1528# endif
414e4441
LC		 1529#endif
1530
1531
f4c79b3c 1532#if @GNULIB_WRITE@
9b36a80c 1533/* Write up to COUNT bytes starting at BUF to file descriptor FD.
35428fb6
LC		 1534 See the POSIX:2008 specification
1535 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>. */
1536# if @REPLACE_WRITE@
f4c79b3c
LC		 1537# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1538# undef write
1539# define write rpl_write
1540# endif
1541_GL_FUNCDECL_RPL (write, ssize_t, (int fd, const void *buf, size_t count)
1542 _GL_ARG_NONNULL ((2)));
1543_GL_CXXALIAS_RPL (write, ssize_t, (int fd, const void *buf, size_t count));
1544# else
a927b6c1
LC		 1545/* Need to cast, because on mingw, the third parameter is
1546 unsigned int count
1547 and the return type is 'int'. */
1548_GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count));
f4c79b3c
LC		 1549# endif
1550_GL_CXXALIASWARN (write);
9b36a80c
LC		 1551#endif
1552
af07e104 1553_GL_INLINE_HEADER_END
9b36a80c 1554
3d458a81 1555#endif /* _@GUARD_PREFIX@_UNISTD_H */
8f7887d6 1556#endif /* _GL_INCLUDING_UNISTD_H */
3d458a81 1557#endif /* _@GUARD_PREFIX@_UNISTD_H */
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