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Update gnulib to current upstream master
[deliverable/binutils-gdb.git] / gdb / gnulib / import / unistd.in.h
CommitLineData
8839a007 1/* Substitute for and wrapper around <unistd.h>.
7a6dbc2f 2 Copyright (C) 2003-2018 Free Software Foundation, Inc.
8839a007
PA		 3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3, 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 General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
7a6dbc2f 15 along with this program; if not, see <https://www.gnu.org/licenses/>. */
8839a007 16
4a626d0a
PA		 17#ifndef _@GUARD_PREFIX@_UNISTD_H
18
8839a007
PA		 19#if __GNUC__ >= 3
20@PRAGMA_SYSTEM_HEADER@
21#endif
22@PRAGMA_COLUMNS@
23
4a626d0a 24#ifdef _GL_INCLUDING_UNISTD_H
8839a007 25/* Special invocation convention:
4a626d0a
PA		 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. */
8839a007 30
4a626d0a
PA		 31#@INCLUDE_NEXT@ @NEXT_UNISTD_H@
32
33#else
34/* Normal invocation convention. */
8839a007
PA		 35
36/* The include_next requires a split double-inclusion guard. */
37#if @HAVE_UNISTD_H@
4a626d0a 38# define _GL_INCLUDING_UNISTD_H
8839a007 39# @INCLUDE_NEXT@ @NEXT_UNISTD_H@
4a626d0a 40# undef _GL_INCLUDING_UNISTD_H
8839a007
PA		 41#endif
42
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
51#if !defined _@GUARD_PREFIX@_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H
52#define _@GUARD_PREFIX@_UNISTD_H
53
54/* NetBSD 5.0 mis-defines NULL. Also get size_t. */
55#include <stddef.h>
56
57/* mingw doesn't define the SEEK_* or *_FILENO macros in <unistd.h>. */
7a6dbc2f
SDJ		 58/* MSVC declares 'unlink' in <stdio.h>, not in <unistd.h>. We must include
59 it before we #define unlink rpl_unlink. */
8839a007
PA		 60/* Cygwin 1.7.1 declares symlinkat in <stdio.h>, not in <unistd.h>. */
61/* But avoid namespace pollution on glibc systems. */
62#if (!(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET) \
7a6dbc2f
SDJ		 63 || ((@GNULIB_UNLINK@ || defined GNULIB_POSIXCHECK) \
64 && (defined _WIN32 && ! defined __CYGWIN__)) \
8839a007
PA		 65 || ((@GNULIB_SYMLINKAT@ || defined GNULIB_POSIXCHECK) \
66 && defined __CYGWIN__)) \
67 && ! defined __GLIBC__
68# include <stdio.h>
69#endif
70
71/* Cygwin 1.7.1 declares unlinkat in <fcntl.h>, not in <unistd.h>. */
72/* But avoid namespace pollution on glibc systems. */
73#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) && defined __CYGWIN__ \
74 && ! defined __GLIBC__
75# include <fcntl.h>
76#endif
77
78/* mingw fails to declare _exit in <unistd.h>. */
79/* mingw, MSVC, BeOS, Haiku declare environ in <stdlib.h>, not in
80 <unistd.h>. */
81/* Solaris declares getcwd not only in <unistd.h> but also in <stdlib.h>. */
4a626d0a
PA		 82/* OSF Tru64 Unix cannot see gnulib rpl_strtod when system <stdlib.h> is
83 included here. */
8839a007 84/* But avoid namespace pollution on glibc systems. */
4a626d0a
PA		 85#if !defined __GLIBC__ && !defined __osf__
86# define __need_system_stdlib_h
8839a007 87# include <stdlib.h>
4a626d0a 88# undef __need_system_stdlib_h
8839a007
PA		 89#endif
90
91/* Native Windows platforms declare chdir, getcwd, rmdir in
92 <io.h> and/or <direct.h>, not in <unistd.h>.
93 They also declare access(), chmod(), close(), dup(), dup2(), isatty(),
94 lseek(), read(), unlink(), write() in <io.h>. */
95#if ((@GNULIB_CHDIR@ || @GNULIB_GETCWD@ || @GNULIB_RMDIR@ \
96 || defined GNULIB_POSIXCHECK) \
7a6dbc2f 97 && (defined _WIN32 && ! defined __CYGWIN__))
8839a007
PA		 98# include <io.h> /* mingw32, mingw64 */
99# include <direct.h> /* mingw64, MSVC 9 */
100#elif (@GNULIB_CLOSE@ || @GNULIB_DUP@ || @GNULIB_DUP2@ || @GNULIB_ISATTY@ \
101 || @GNULIB_LSEEK@ || @GNULIB_READ@ || @GNULIB_UNLINK@ || @GNULIB_WRITE@ \
102 || defined GNULIB_POSIXCHECK) \
7a6dbc2f 103 && (defined _WIN32 && ! defined __CYGWIN__)
8839a007
PA		 104# include <io.h>
105#endif
106
107/* AIX and OSF/1 5.1 declare getdomainname in <netdb.h>, not in <unistd.h>.
108 NonStop Kernel declares gethostname in <netdb.h>, not in <unistd.h>. */
109/* But avoid namespace pollution on glibc systems. */
110#if ((@GNULIB_GETDOMAINNAME@ && (defined _AIX || defined __osf__)) \
111 || (@GNULIB_GETHOSTNAME@ && defined __TANDEM)) \
112 && !defined __GLIBC__
113# include <netdb.h>
114#endif
115
116/* MSVC defines off_t in <sys/types.h>.
117 May also define off_t to a 64-bit type on native Windows. */
118#if !@HAVE_UNISTD_H@ || @WINDOWS_64_BIT_OFF_T@
119/* Get off_t. */
120# include <sys/types.h>
121#endif
122
123#if (@GNULIB_READ@ || @GNULIB_WRITE@ \
124 || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \
125 || @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK)
126/* Get ssize_t. */
127# include <sys/types.h>
128#endif
129
7a6dbc2f
SDJ		 130/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
131
132/* The definition of _GL_ARG_NONNULL is copied here. */
133
134/* The definition of _GL_WARN_ON_USE is copied here. */
135
136
137/* Get getopt(), optarg, optind, opterr, optopt. */
138#if @GNULIB_UNISTD_H_GETOPT@ && !defined _GL_SYSTEM_GETOPT
139# include <getopt-cdefs.h>
140# include <getopt-pfx-core.h>
8839a007
PA		 141#endif
142
4a626d0a
PA		 143#ifndef _GL_INLINE_HEADER_BEGIN
144 #error "Please include config.h first."
145#endif
8839a007
PA		 146_GL_INLINE_HEADER_BEGIN
147#ifndef _GL_UNISTD_INLINE
148# define _GL_UNISTD_INLINE _GL_INLINE
149#endif
150
8839a007
PA		 151/* Hide some function declarations from <winsock2.h>. */
152
153#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@
154# if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
155# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
156# undef socket
157# define socket socket_used_without_including_sys_socket_h
158# undef connect
159# define connect connect_used_without_including_sys_socket_h
160# undef accept
161# define accept accept_used_without_including_sys_socket_h
162# undef bind
163# define bind bind_used_without_including_sys_socket_h
164# undef getpeername
165# define getpeername getpeername_used_without_including_sys_socket_h
166# undef getsockname
167# define getsockname getsockname_used_without_including_sys_socket_h
168# undef getsockopt
169# define getsockopt getsockopt_used_without_including_sys_socket_h
170# undef listen
171# define listen listen_used_without_including_sys_socket_h
172# undef recv
173# define recv recv_used_without_including_sys_socket_h
174# undef send
175# define send send_used_without_including_sys_socket_h
176# undef recvfrom
177# define recvfrom recvfrom_used_without_including_sys_socket_h
178# undef sendto
179# define sendto sendto_used_without_including_sys_socket_h
180# undef setsockopt
181# define setsockopt setsockopt_used_without_including_sys_socket_h
182# undef shutdown
183# define shutdown shutdown_used_without_including_sys_socket_h
184# else
185 _GL_WARN_ON_USE (socket,
186 "socket() used without including <sys/socket.h>");
187 _GL_WARN_ON_USE (connect,
188 "connect() used without including <sys/socket.h>");
189 _GL_WARN_ON_USE (accept,
190 "accept() used without including <sys/socket.h>");
191 _GL_WARN_ON_USE (bind,
192 "bind() used without including <sys/socket.h>");
193 _GL_WARN_ON_USE (getpeername,
194 "getpeername() used without including <sys/socket.h>");
195 _GL_WARN_ON_USE (getsockname,
196 "getsockname() used without including <sys/socket.h>");
197 _GL_WARN_ON_USE (getsockopt,
198 "getsockopt() used without including <sys/socket.h>");
199 _GL_WARN_ON_USE (listen,
200 "listen() used without including <sys/socket.h>");
201 _GL_WARN_ON_USE (recv,
202 "recv() used without including <sys/socket.h>");
203 _GL_WARN_ON_USE (send,
204 "send() used without including <sys/socket.h>");
205 _GL_WARN_ON_USE (recvfrom,
206 "recvfrom() used without including <sys/socket.h>");
207 _GL_WARN_ON_USE (sendto,
208 "sendto() used without including <sys/socket.h>");
209 _GL_WARN_ON_USE (setsockopt,
210 "setsockopt() used without including <sys/socket.h>");
211 _GL_WARN_ON_USE (shutdown,
212 "shutdown() used without including <sys/socket.h>");
213# endif
214# endif
215# if !defined _@GUARD_PREFIX@_SYS_SELECT_H
216# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
217# undef select
218# define select select_used_without_including_sys_select_h
219# else
220 _GL_WARN_ON_USE (select,
221 "select() used without including <sys/select.h>");
222# endif
223# endif
224#endif
225
226
227/* OS/2 EMX lacks these macros. */
228#ifndef STDIN_FILENO
229# define STDIN_FILENO 0
230#endif
231#ifndef STDOUT_FILENO
232# define STDOUT_FILENO 1
233#endif
234#ifndef STDERR_FILENO
235# define STDERR_FILENO 2
236#endif
237
238/* Ensure *_OK macros exist. */
239#ifndef F_OK
240# define F_OK 0
241# define X_OK 1
242# define W_OK 2
243# define R_OK 4
244#endif
245
246
247/* Declare overridden functions. */
248
249
250#if defined GNULIB_POSIXCHECK
251/* The access() function is a security risk. */
252_GL_WARN_ON_USE (access, "the access function is a security risk - "
253 "use the gnulib module faccessat instead");
254#endif
255
256
257#if @GNULIB_CHDIR@
258_GL_CXXALIAS_SYS (chdir, int, (const char *file) _GL_ARG_NONNULL ((1)));
259_GL_CXXALIASWARN (chdir);
260#elif defined GNULIB_POSIXCHECK
261# undef chdir
262# if HAVE_RAW_DECL_CHDIR
263_GL_WARN_ON_USE (chown, "chdir is not always in <unistd.h> - "
264 "use gnulib module chdir for portability");
265# endif
266#endif
267
268
269#if @GNULIB_CHOWN@
270/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
271 to GID (if GID is not -1). Follow symbolic links.
272 Return 0 if successful, otherwise -1 and errno set.
273 See the POSIX:2008 specification
274 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/chown.html. */
275# if @REPLACE_CHOWN@
276# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
277# undef chown
278# define chown rpl_chown
279# endif
280_GL_FUNCDECL_RPL (chown, int, (const char *file, uid_t uid, gid_t gid)
281 _GL_ARG_NONNULL ((1)));
282_GL_CXXALIAS_RPL (chown, int, (const char *file, uid_t uid, gid_t gid));
283# else
284# if !@HAVE_CHOWN@
285_GL_FUNCDECL_SYS (chown, int, (const char *file, uid_t uid, gid_t gid)
286 _GL_ARG_NONNULL ((1)));
287# endif
288_GL_CXXALIAS_SYS (chown, int, (const char *file, uid_t uid, gid_t gid));
289# endif
290_GL_CXXALIASWARN (chown);
291#elif defined GNULIB_POSIXCHECK
292# undef chown
293# if HAVE_RAW_DECL_CHOWN
294_GL_WARN_ON_USE (chown, "chown fails to follow symlinks on some systems and "
295 "doesn't treat a uid or gid of -1 on some systems - "
296 "use gnulib module chown for portability");
297# endif
298#endif
299
300
301#if @GNULIB_CLOSE@
302# if @REPLACE_CLOSE@
303/* Automatically included by modules that need a replacement for close. */
304# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
305# undef close
306# define close rpl_close
307# endif
308_GL_FUNCDECL_RPL (close, int, (int fd));
309_GL_CXXALIAS_RPL (close, int, (int fd));
310# else
311_GL_CXXALIAS_SYS (close, int, (int fd));
312# endif
313_GL_CXXALIASWARN (close);
314#elif @UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
315# undef close
316# define close close_used_without_requesting_gnulib_module_close
317#elif defined GNULIB_POSIXCHECK
318# undef close
319/* Assume close is always declared. */
320_GL_WARN_ON_USE (close, "close does not portably work on sockets - "
321 "use gnulib module close for portability");
322#endif
323
324
325#if @GNULIB_DUP@
326# if @REPLACE_DUP@
327# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
328# define dup rpl_dup
329# endif
330_GL_FUNCDECL_RPL (dup, int, (int oldfd));
331_GL_CXXALIAS_RPL (dup, int, (int oldfd));
332# else
333_GL_CXXALIAS_SYS (dup, int, (int oldfd));
334# endif
335_GL_CXXALIASWARN (dup);
336#elif defined GNULIB_POSIXCHECK
337# undef dup
338# if HAVE_RAW_DECL_DUP
339_GL_WARN_ON_USE (dup, "dup is unportable - "
340 "use gnulib module dup for portability");
341# endif
342#endif
343
344
345#if @GNULIB_DUP2@
346/* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if
347 NEWFD = OLDFD, otherwise close NEWFD first if it is open.
348 Return newfd if successful, otherwise -1 and errno set.
349 See the POSIX:2008 specification
350 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/dup2.html>. */
351# if @REPLACE_DUP2@
352# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
353# define dup2 rpl_dup2
354# endif
355_GL_FUNCDECL_RPL (dup2, int, (int oldfd, int newfd));
356_GL_CXXALIAS_RPL (dup2, int, (int oldfd, int newfd));
357# else
358# if !@HAVE_DUP2@
359_GL_FUNCDECL_SYS (dup2, int, (int oldfd, int newfd));
360# endif
361_GL_CXXALIAS_SYS (dup2, int, (int oldfd, int newfd));
362# endif
363_GL_CXXALIASWARN (dup2);
364#elif defined GNULIB_POSIXCHECK
365# undef dup2
366# if HAVE_RAW_DECL_DUP2
367_GL_WARN_ON_USE (dup2, "dup2 is unportable - "
368 "use gnulib module dup2 for portability");
369# endif
370#endif
371
372
373#if @GNULIB_DUP3@
374/* Copy the file descriptor OLDFD into file descriptor NEWFD, with the
375 specified flags.
376 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
377 and O_TEXT, O_BINARY (defined in "binary-io.h").
378 Close NEWFD first if it is open.
379 Return newfd if successful, otherwise -1 and errno set.
380 See the Linux man page at
7a6dbc2f 381 <https://www.kernel.org/doc/man-pages/online/pages/man2/dup3.2.html>. */
8839a007
PA		 382# if @HAVE_DUP3@
383# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
384# define dup3 rpl_dup3
385# endif
386_GL_FUNCDECL_RPL (dup3, int, (int oldfd, int newfd, int flags));
387_GL_CXXALIAS_RPL (dup3, int, (int oldfd, int newfd, int flags));
388# else
389_GL_FUNCDECL_SYS (dup3, int, (int oldfd, int newfd, int flags));
390_GL_CXXALIAS_SYS (dup3, int, (int oldfd, int newfd, int flags));
391# endif
392_GL_CXXALIASWARN (dup3);
393#elif defined GNULIB_POSIXCHECK
394# undef dup3
395# if HAVE_RAW_DECL_DUP3
396_GL_WARN_ON_USE (dup3, "dup3 is unportable - "
397 "use gnulib module dup3 for portability");
398# endif
399#endif
400
401
402#if @GNULIB_ENVIRON@
7a6dbc2f
SDJ		 403# if defined __CYGWIN__ && !defined __i386__
404/* The 'environ' variable is defined in a DLL. Therefore its declaration needs
405 the '__declspec(dllimport)' attribute, but the system's <unistd.h> lacks it.
406 This leads to a link error on 64-bit Cygwin when the option
407 -Wl,--disable-auto-import is in use. */
408_GL_EXTERN_C __declspec(dllimport) char **environ;
409# endif
8839a007
PA		 410# if !@HAVE_DECL_ENVIRON@
411/* Set of environment variables and values. An array of strings of the form
412 "VARIABLE=VALUE", terminated with a NULL. */
413# if defined __APPLE__ && defined __MACH__
4a626d0a
PA		 414# include <TargetConditionals.h>
415# if !TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
416# define _GL_USE_CRT_EXTERNS
417# endif
418# endif
419# ifdef _GL_USE_CRT_EXTERNS
8839a007
PA		 420# include <crt_externs.h>
421# define environ (*_NSGetEnviron ())
422# else
423# ifdef __cplusplus
424extern "C" {
425# endif
426extern char **environ;
427# ifdef __cplusplus
428}
429# endif
430# endif
431# endif
432#elif defined GNULIB_POSIXCHECK
433# if HAVE_RAW_DECL_ENVIRON
434_GL_UNISTD_INLINE char ***
7a6dbc2f
SDJ		 435_GL_WARN_ON_USE_ATTRIBUTE ("environ is unportable - "
436 "use gnulib module environ for portability")
8839a007
PA		 437rpl_environ (void)
438{
439 return &environ;
440}
8839a007
PA		 441# undef environ
442# define environ (*rpl_environ ())
443# endif
444#endif
445
446
447#if @GNULIB_EUIDACCESS@
448/* Like access(), except that it uses the effective user id and group id of
449 the current process. */
450# if !@HAVE_EUIDACCESS@
451_GL_FUNCDECL_SYS (euidaccess, int, (const char *filename, int mode)
452 _GL_ARG_NONNULL ((1)));
453# endif
454_GL_CXXALIAS_SYS (euidaccess, int, (const char *filename, int mode));
455_GL_CXXALIASWARN (euidaccess);
456# if defined GNULIB_POSIXCHECK
457/* Like access(), this function is a security risk. */
458_GL_WARN_ON_USE (euidaccess, "the euidaccess function is a security risk - "
459 "use the gnulib module faccessat instead");
460# endif
461#elif defined GNULIB_POSIXCHECK
462# undef euidaccess
463# if HAVE_RAW_DECL_EUIDACCESS
464_GL_WARN_ON_USE (euidaccess, "euidaccess is unportable - "
465 "use gnulib module euidaccess for portability");
466# endif
467#endif
468
469
470#if @GNULIB_FACCESSAT@
7a6dbc2f
SDJ		 471# if @REPLACE_FACCESSAT@
472# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
473# undef faccessat
474# define faccessat rpl_faccessat
475# endif
476_GL_FUNCDECL_RPL (faccessat, int,
477 (int fd, char const *name, int mode, int flag)
478 _GL_ARG_NONNULL ((2)));
479_GL_CXXALIAS_RPL (faccessat, int,
480 (int fd, char const *name, int mode, int flag));
481# else
482# if !@HAVE_FACCESSAT@
8839a007
PA		 483_GL_FUNCDECL_SYS (faccessat, int,
484 (int fd, char const *file, int mode, int flag)
485 _GL_ARG_NONNULL ((2)));
7a6dbc2f 486# endif
8839a007
PA		 487_GL_CXXALIAS_SYS (faccessat, int,
488 (int fd, char const *file, int mode, int flag));
7a6dbc2f 489# endif
8839a007
PA		 490_GL_CXXALIASWARN (faccessat);
491#elif defined GNULIB_POSIXCHECK
492# undef faccessat
493# if HAVE_RAW_DECL_FACCESSAT
494_GL_WARN_ON_USE (faccessat, "faccessat is not portable - "
495 "use gnulib module faccessat for portability");
496# endif
497#endif
498
499
500#if @GNULIB_FCHDIR@
501/* Change the process' current working directory to the directory on which
502 the given file descriptor is open.
503 Return 0 if successful, otherwise -1 and errno set.
504 See the POSIX:2008 specification
505 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html>. */
506# if ! @HAVE_FCHDIR@
507_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/));
508
509/* Gnulib internal hooks needed to maintain the fchdir metadata. */
510_GL_EXTERN_C int _gl_register_fd (int fd, const char *filename)
511 _GL_ARG_NONNULL ((2));
512_GL_EXTERN_C void _gl_unregister_fd (int fd);
513_GL_EXTERN_C int _gl_register_dup (int oldfd, int newfd);
514_GL_EXTERN_C const char *_gl_directory_name (int fd);
515
516# else
517# if !@HAVE_DECL_FCHDIR@
518_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/));
519# endif
520# endif
521_GL_CXXALIAS_SYS (fchdir, int, (int /*fd*/));
522_GL_CXXALIASWARN (fchdir);
523#elif defined GNULIB_POSIXCHECK
524# undef fchdir
525# if HAVE_RAW_DECL_FCHDIR
526_GL_WARN_ON_USE (fchdir, "fchdir is unportable - "
527 "use gnulib module fchdir for portability");
528# endif
529#endif
530
531
532#if @GNULIB_FCHOWNAT@
533# if @REPLACE_FCHOWNAT@
534# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
535# undef fchownat
536# define fchownat rpl_fchownat
537# endif
538_GL_FUNCDECL_RPL (fchownat, int, (int fd, char const *file,
539 uid_t owner, gid_t group, int flag)
540 _GL_ARG_NONNULL ((2)));
541_GL_CXXALIAS_RPL (fchownat, int, (int fd, char const *file,
542 uid_t owner, gid_t group, int flag));
543# else
544# if !@HAVE_FCHOWNAT@
545_GL_FUNCDECL_SYS (fchownat, int, (int fd, char const *file,
546 uid_t owner, gid_t group, int flag)
547 _GL_ARG_NONNULL ((2)));
548# endif
549_GL_CXXALIAS_SYS (fchownat, int, (int fd, char const *file,
550 uid_t owner, gid_t group, int flag));
551# endif
552_GL_CXXALIASWARN (fchownat);
553#elif defined GNULIB_POSIXCHECK
554# undef fchownat
555# if HAVE_RAW_DECL_FCHOWNAT
556_GL_WARN_ON_USE (fchownat, "fchownat is not portable - "
557 "use gnulib module openat for portability");
558# endif
559#endif
560
561
562#if @GNULIB_FDATASYNC@
563/* Synchronize changes to a file.
564 Return 0 if successful, otherwise -1 and errno set.
565 See POSIX:2008 specification
566 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. */
567# if !@HAVE_FDATASYNC@ || !@HAVE_DECL_FDATASYNC@
568_GL_FUNCDECL_SYS (fdatasync, int, (int fd));
569# endif
570_GL_CXXALIAS_SYS (fdatasync, int, (int fd));
571_GL_CXXALIASWARN (fdatasync);
572#elif defined GNULIB_POSIXCHECK
573# undef fdatasync
574# if HAVE_RAW_DECL_FDATASYNC
575_GL_WARN_ON_USE (fdatasync, "fdatasync is unportable - "
576 "use gnulib module fdatasync for portability");
577# endif
578#endif
579
580
581#if @GNULIB_FSYNC@
582/* Synchronize changes, including metadata, to a file.
583 Return 0 if successful, otherwise -1 and errno set.
584 See POSIX:2008 specification
585 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fsync.html>. */
586# if !@HAVE_FSYNC@
587_GL_FUNCDECL_SYS (fsync, int, (int fd));
588# endif
589_GL_CXXALIAS_SYS (fsync, int, (int fd));
590_GL_CXXALIASWARN (fsync);
591#elif defined GNULIB_POSIXCHECK
592# undef fsync
593# if HAVE_RAW_DECL_FSYNC
594_GL_WARN_ON_USE (fsync, "fsync is unportable - "
595 "use gnulib module fsync for portability");
596# endif
597#endif
598
599
600#if @GNULIB_FTRUNCATE@
601/* Change the size of the file to which FD is opened to become equal to LENGTH.
602 Return 0 if successful, otherwise -1 and errno set.
603 See the POSIX:2008 specification
604 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>. */
605# if @REPLACE_FTRUNCATE@
606# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
607# undef ftruncate
608# define ftruncate rpl_ftruncate
609# endif
610_GL_FUNCDECL_RPL (ftruncate, int, (int fd, off_t length));
611_GL_CXXALIAS_RPL (ftruncate, int, (int fd, off_t length));
612# else
613# if !@HAVE_FTRUNCATE@
614_GL_FUNCDECL_SYS (ftruncate, int, (int fd, off_t length));
615# endif
616_GL_CXXALIAS_SYS (ftruncate, int, (int fd, off_t length));
617# endif
618_GL_CXXALIASWARN (ftruncate);
619#elif defined GNULIB_POSIXCHECK
620# undef ftruncate
621# if HAVE_RAW_DECL_FTRUNCATE
622_GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - "
623 "use gnulib module ftruncate for portability");
624# endif
625#endif
626
627
628#if @GNULIB_GETCWD@
629/* Get the name of the current working directory, and put it in SIZE bytes
630 of BUF.
631 Return BUF if successful, or NULL if the directory couldn't be determined
632 or SIZE was too small.
633 See the POSIX:2008 specification
634 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/getcwd.html>.
635 Additionally, the gnulib module 'getcwd' guarantees the following GNU
636 extension: If BUF is NULL, an array is allocated with 'malloc'; the array
637 is SIZE bytes long, unless SIZE == 0, in which case it is as big as
638 necessary. */
639# if @REPLACE_GETCWD@
640# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
641# define getcwd rpl_getcwd
642# endif
643_GL_FUNCDECL_RPL (getcwd, char *, (char *buf, size_t size));
644_GL_CXXALIAS_RPL (getcwd, char *, (char *buf, size_t size));
645# else
646/* Need to cast, because on mingw, the second parameter is
647 int size. */
648_GL_CXXALIAS_SYS_CAST (getcwd, char *, (char *buf, size_t size));
649# endif
650_GL_CXXALIASWARN (getcwd);
651#elif defined GNULIB_POSIXCHECK
652# undef getcwd
653# if HAVE_RAW_DECL_GETCWD
654_GL_WARN_ON_USE (getcwd, "getcwd is unportable - "
655 "use gnulib module getcwd for portability");
656# endif
657#endif
658
659
660#if @GNULIB_GETDOMAINNAME@
661/* Return the NIS domain name of the machine.
662 WARNING! The NIS domain name is unrelated to the fully qualified host name
663 of the machine. It is also unrelated to email addresses.
664 WARNING! The NIS domain name is usually the empty string or "(none)" when
665 not using NIS.
666
667 Put up to LEN bytes of the NIS domain name into NAME.
668 Null terminate it if the name is shorter than LEN.
669 If the NIS domain name is longer than LEN, set errno = EINVAL and return -1.
670 Return 0 if successful, otherwise set errno and return -1. */
671# if @REPLACE_GETDOMAINNAME@
672# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
673# undef getdomainname
674# define getdomainname rpl_getdomainname
675# endif
676_GL_FUNCDECL_RPL (getdomainname, int, (char *name, size_t len)
677 _GL_ARG_NONNULL ((1)));
678_GL_CXXALIAS_RPL (getdomainname, int, (char *name, size_t len));
679# else
680# if !@HAVE_DECL_GETDOMAINNAME@
681_GL_FUNCDECL_SYS (getdomainname, int, (char *name, size_t len)
682 _GL_ARG_NONNULL ((1)));
683# endif
684_GL_CXXALIAS_SYS (getdomainname, int, (char *name, size_t len));
685# endif
686_GL_CXXALIASWARN (getdomainname);
687#elif defined GNULIB_POSIXCHECK
688# undef getdomainname
689# if HAVE_RAW_DECL_GETDOMAINNAME
690_GL_WARN_ON_USE (getdomainname, "getdomainname is unportable - "
691 "use gnulib module getdomainname for portability");
692# endif
693#endif
694
695
696#if @GNULIB_GETDTABLESIZE@
697/* Return the maximum number of file descriptors in the current process.
698 In POSIX, this is same as sysconf (_SC_OPEN_MAX). */
4a626d0a
PA		 699# if @REPLACE_GETDTABLESIZE@
700# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
701# undef getdtablesize
702# define getdtablesize rpl_getdtablesize
703# endif
704_GL_FUNCDECL_RPL (getdtablesize, int, (void));
705_GL_CXXALIAS_RPL (getdtablesize, int, (void));
706# else
707# if !@HAVE_GETDTABLESIZE@
8839a007 708_GL_FUNCDECL_SYS (getdtablesize, int, (void));
4a626d0a 709# endif
8839a007 710_GL_CXXALIAS_SYS (getdtablesize, int, (void));
4a626d0a 711# endif
8839a007
PA		 712_GL_CXXALIASWARN (getdtablesize);
713#elif defined GNULIB_POSIXCHECK
714# undef getdtablesize
715# if HAVE_RAW_DECL_GETDTABLESIZE
716_GL_WARN_ON_USE (getdtablesize, "getdtablesize is unportable - "
717 "use gnulib module getdtablesize for portability");
718# endif
719#endif
720
721
722#if @GNULIB_GETGROUPS@
723/* Return the supplemental groups that the current process belongs to.
724 It is unspecified whether the effective group id is in the list.
725 If N is 0, return the group count; otherwise, N describes how many
726 entries are available in GROUPS. Return -1 and set errno if N is
727 not 0 and not large enough. Fails with ENOSYS on some systems. */
728# if @REPLACE_GETGROUPS@
729# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
730# undef getgroups
731# define getgroups rpl_getgroups
732# endif
733_GL_FUNCDECL_RPL (getgroups, int, (int n, gid_t *groups));
734_GL_CXXALIAS_RPL (getgroups, int, (int n, gid_t *groups));
735# else
736# if !@HAVE_GETGROUPS@
737_GL_FUNCDECL_SYS (getgroups, int, (int n, gid_t *groups));
738# endif
739_GL_CXXALIAS_SYS (getgroups, int, (int n, gid_t *groups));
740# endif
741_GL_CXXALIASWARN (getgroups);
742#elif defined GNULIB_POSIXCHECK
743# undef getgroups
744# if HAVE_RAW_DECL_GETGROUPS
745_GL_WARN_ON_USE (getgroups, "getgroups is unportable - "
746 "use gnulib module getgroups for portability");
747# endif
748#endif
749
750
751#if @GNULIB_GETHOSTNAME@
752/* Return the standard host name of the machine.
753 WARNING! The host name may or may not be fully qualified.
754
755 Put up to LEN bytes of the host name into NAME.
756 Null terminate it if the name is shorter than LEN.
757 If the host name is longer than LEN, set errno = EINVAL and return -1.
758 Return 0 if successful, otherwise set errno and return -1. */
759# if @UNISTD_H_HAVE_WINSOCK2_H@
760# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
761# undef gethostname
762# define gethostname rpl_gethostname
763# endif
764_GL_FUNCDECL_RPL (gethostname, int, (char *name, size_t len)
765 _GL_ARG_NONNULL ((1)));
766_GL_CXXALIAS_RPL (gethostname, int, (char *name, size_t len));
767# else
768# if !@HAVE_GETHOSTNAME@
769_GL_FUNCDECL_SYS (gethostname, int, (char *name, size_t len)
770 _GL_ARG_NONNULL ((1)));
771# endif
772/* Need to cast, because on Solaris 10 and OSF/1 5.1 systems, the second
773 parameter is
774 int len. */
775_GL_CXXALIAS_SYS_CAST (gethostname, int, (char *name, size_t len));
776# endif
777_GL_CXXALIASWARN (gethostname);
778#elif @UNISTD_H_HAVE_WINSOCK2_H@
779# undef gethostname
780# define gethostname gethostname_used_without_requesting_gnulib_module_gethostname
781#elif defined GNULIB_POSIXCHECK
782# undef gethostname
783# if HAVE_RAW_DECL_GETHOSTNAME
784_GL_WARN_ON_USE (gethostname, "gethostname is unportable - "
785 "use gnulib module gethostname for portability");
786# endif
787#endif
788
789
790#if @GNULIB_GETLOGIN@
791/* Returns the user's login name, or NULL if it cannot be found. Upon error,
792 returns NULL with errno set.
793
794 See <http://www.opengroup.org/susv3xsh/getlogin.html>.
795
796 Most programs don't need to use this function, because the information is
797 available through environment variables:
798 ${LOGNAME-$USER} on Unix platforms,
799 $USERNAME on native Windows platforms.
800 */
7a6dbc2f 801# if !@HAVE_DECL_GETLOGIN@
8839a007
PA		 802_GL_FUNCDECL_SYS (getlogin, char *, (void));
803# endif
804_GL_CXXALIAS_SYS (getlogin, char *, (void));
805_GL_CXXALIASWARN (getlogin);
806#elif defined GNULIB_POSIXCHECK
807# undef getlogin
808# if HAVE_RAW_DECL_GETLOGIN
809_GL_WARN_ON_USE (getlogin, "getlogin is unportable - "
810 "use gnulib module getlogin for portability");
811# endif
812#endif
813
814
815#if @GNULIB_GETLOGIN_R@
816/* Copies the user's login name to NAME.
817 The array pointed to by NAME has room for SIZE bytes.
818
819 Returns 0 if successful. Upon error, an error number is returned, or -1 in
820 the case that the login name cannot be found but no specific error is
821 provided (this case is hopefully rare but is left open by the POSIX spec).
822
823 See <http://www.opengroup.org/susv3xsh/getlogin.html>.
824
825 Most programs don't need to use this function, because the information is
826 available through environment variables:
827 ${LOGNAME-$USER} on Unix platforms,
828 $USERNAME on native Windows platforms.
829 */
830# if @REPLACE_GETLOGIN_R@
831# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
832# define getlogin_r rpl_getlogin_r
833# endif
834_GL_FUNCDECL_RPL (getlogin_r, int, (char *name, size_t size)
835 _GL_ARG_NONNULL ((1)));
836_GL_CXXALIAS_RPL (getlogin_r, int, (char *name, size_t size));
837# else
838# if !@HAVE_DECL_GETLOGIN_R@
839_GL_FUNCDECL_SYS (getlogin_r, int, (char *name, size_t size)
840 _GL_ARG_NONNULL ((1)));
841# endif
842/* Need to cast, because on Solaris 10 systems, the second argument is
843 int size. */
844_GL_CXXALIAS_SYS_CAST (getlogin_r, int, (char *name, size_t size));
845# endif
846_GL_CXXALIASWARN (getlogin_r);
847#elif defined GNULIB_POSIXCHECK
848# undef getlogin_r
849# if HAVE_RAW_DECL_GETLOGIN_R
850_GL_WARN_ON_USE (getlogin_r, "getlogin_r is unportable - "
851 "use gnulib module getlogin_r for portability");
852# endif
853#endif
854
855
856#if @GNULIB_GETPAGESIZE@
857# if @REPLACE_GETPAGESIZE@
858# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
859# define getpagesize rpl_getpagesize
860# endif
861_GL_FUNCDECL_RPL (getpagesize, int, (void));
862_GL_CXXALIAS_RPL (getpagesize, int, (void));
863# else
864# if !@HAVE_GETPAGESIZE@
865# if !defined getpagesize
866/* This is for POSIX systems. */
867# if !defined _gl_getpagesize && defined _SC_PAGESIZE
868# if ! (defined __VMS && __VMS_VER < 70000000)
869# define _gl_getpagesize() sysconf (_SC_PAGESIZE)
870# endif
871# endif
872/* This is for older VMS. */
873# if !defined _gl_getpagesize && defined __VMS
874# ifdef __ALPHA
875# define _gl_getpagesize() 8192
876# else
877# define _gl_getpagesize() 512
878# endif
879# endif
880/* This is for BeOS. */
881# if !defined _gl_getpagesize && @HAVE_OS_H@
882# include <OS.h>
883# if defined B_PAGE_SIZE
884# define _gl_getpagesize() B_PAGE_SIZE
885# endif
886# endif
887/* This is for AmigaOS4.0. */
888# if !defined _gl_getpagesize && defined __amigaos4__
889# define _gl_getpagesize() 2048
890# endif
891/* This is for older Unix systems. */
892# if !defined _gl_getpagesize && @HAVE_SYS_PARAM_H@
893# include <sys/param.h>
894# ifdef EXEC_PAGESIZE
895# define _gl_getpagesize() EXEC_PAGESIZE
896# else
897# ifdef NBPG
898# ifndef CLSIZE
899# define CLSIZE 1
900# endif
901# define _gl_getpagesize() (NBPG * CLSIZE)
902# else
903# ifdef NBPC
904# define _gl_getpagesize() NBPC
905# endif
906# endif
907# endif
908# endif
909# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
910# define getpagesize() _gl_getpagesize ()
911# else
912# if !GNULIB_defined_getpagesize_function
913_GL_UNISTD_INLINE int
914getpagesize ()
915{
916 return _gl_getpagesize ();
917}
918# define GNULIB_defined_getpagesize_function 1
919# endif
920# endif
921# endif
922# endif
923/* Need to cast, because on Cygwin 1.5.x systems, the return type is size_t. */
924_GL_CXXALIAS_SYS_CAST (getpagesize, int, (void));
925# endif
926# if @HAVE_DECL_GETPAGESIZE@
927_GL_CXXALIASWARN (getpagesize);
928# endif
929#elif defined GNULIB_POSIXCHECK
930# undef getpagesize
931# if HAVE_RAW_DECL_GETPAGESIZE
932_GL_WARN_ON_USE (getpagesize, "getpagesize is unportable - "
933 "use gnulib module getpagesize for portability");
934# endif
935#endif
936
937
7a6dbc2f
SDJ		 938#if @GNULIB_GETPASS@
939/* Function getpass() from module 'getpass':
940 Read a password from /dev/tty or stdin.
941 Function getpass() from module 'getpass-gnu':
942 Read a password of arbitrary length from /dev/tty or stdin. */
943# if @REPLACE_GETPASS@
944# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
945# undef getpass
946# define getpass rpl_getpass
947# endif
948_GL_FUNCDECL_RPL (getpass, char *, (const char *prompt)
949 _GL_ARG_NONNULL ((1)));
950_GL_CXXALIAS_RPL (getpass, char *, (const char *prompt));
951# else
952# if !@HAVE_GETPASS@
953_GL_FUNCDECL_SYS (getpass, char *, (const char *prompt)
954 _GL_ARG_NONNULL ((1)));
955# endif
956_GL_CXXALIAS_SYS (getpass, char *, (const char *prompt));
957# endif
958_GL_CXXALIASWARN (getpass);
959#elif defined GNULIB_POSIXCHECK
960# undef getpass
961# if HAVE_RAW_DECL_GETPASS
962_GL_WARN_ON_USE (getpass, "getpass is unportable - "
963 "use gnulib module getpass or getpass-gnu for portability");
964# endif
965#endif
966
967
8839a007
PA		 968#if @GNULIB_GETUSERSHELL@
969/* Return the next valid login shell on the system, or NULL when the end of
970 the list has been reached. */
971# if !@HAVE_DECL_GETUSERSHELL@
972_GL_FUNCDECL_SYS (getusershell, char *, (void));
973# endif
974_GL_CXXALIAS_SYS (getusershell, char *, (void));
975_GL_CXXALIASWARN (getusershell);
976#elif defined GNULIB_POSIXCHECK
977# undef getusershell
978# if HAVE_RAW_DECL_GETUSERSHELL
979_GL_WARN_ON_USE (getusershell, "getusershell is unportable - "
980 "use gnulib module getusershell for portability");
981# endif
982#endif
983
984#if @GNULIB_GETUSERSHELL@
985/* Rewind to pointer that is advanced at each getusershell() call. */
986# if !@HAVE_DECL_GETUSERSHELL@
987_GL_FUNCDECL_SYS (setusershell, void, (void));
988# endif
989_GL_CXXALIAS_SYS (setusershell, void, (void));
990_GL_CXXALIASWARN (setusershell);
991#elif defined GNULIB_POSIXCHECK
992# undef setusershell
993# if HAVE_RAW_DECL_SETUSERSHELL
994_GL_WARN_ON_USE (setusershell, "setusershell is unportable - "
995 "use gnulib module getusershell for portability");
996# endif
997#endif
998
999#if @GNULIB_GETUSERSHELL@
1000/* Free the pointer that is advanced at each getusershell() call and
1001 associated resources. */
1002# if !@HAVE_DECL_GETUSERSHELL@
1003_GL_FUNCDECL_SYS (endusershell, void, (void));
1004# endif
1005_GL_CXXALIAS_SYS (endusershell, void, (void));
1006_GL_CXXALIASWARN (endusershell);
1007#elif defined GNULIB_POSIXCHECK
1008# undef endusershell
1009# if HAVE_RAW_DECL_ENDUSERSHELL
1010_GL_WARN_ON_USE (endusershell, "endusershell is unportable - "
1011 "use gnulib module getusershell for portability");
1012# endif
1013#endif
1014
1015
1016#if @GNULIB_GROUP_MEMBER@
1017/* Determine whether group id is in calling user's group list. */
1018# if !@HAVE_GROUP_MEMBER@
1019_GL_FUNCDECL_SYS (group_member, int, (gid_t gid));
1020# endif
1021_GL_CXXALIAS_SYS (group_member, int, (gid_t gid));
1022_GL_CXXALIASWARN (group_member);
1023#elif defined GNULIB_POSIXCHECK
1024# undef group_member
1025# if HAVE_RAW_DECL_GROUP_MEMBER
1026_GL_WARN_ON_USE (group_member, "group_member is unportable - "
1027 "use gnulib module group-member for portability");
1028# endif
1029#endif
1030
1031
1032#if @GNULIB_ISATTY@
1033# if @REPLACE_ISATTY@
1034# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1035# undef isatty
1036# define isatty rpl_isatty
1037# endif
1038_GL_FUNCDECL_RPL (isatty, int, (int fd));
1039_GL_CXXALIAS_RPL (isatty, int, (int fd));
1040# else
1041_GL_CXXALIAS_SYS (isatty, int, (int fd));
1042# endif
1043_GL_CXXALIASWARN (isatty);
1044#elif defined GNULIB_POSIXCHECK
1045# undef isatty
1046# if HAVE_RAW_DECL_ISATTY
1047_GL_WARN_ON_USE (isatty, "isatty has portability problems on native Windows - "
1048 "use gnulib module isatty for portability");
1049# endif
1050#endif
1051
1052
1053#if @GNULIB_LCHOWN@
1054/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
1055 to GID (if GID is not -1). Do not follow symbolic links.
1056 Return 0 if successful, otherwise -1 and errno set.
1057 See the POSIX:2008 specification
1058 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lchown.html>. */
1059# if @REPLACE_LCHOWN@
1060# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1061# undef lchown
1062# define lchown rpl_lchown
1063# endif
1064_GL_FUNCDECL_RPL (lchown, int, (char const *file, uid_t owner, gid_t group)
1065 _GL_ARG_NONNULL ((1)));
1066_GL_CXXALIAS_RPL (lchown, int, (char const *file, uid_t owner, gid_t group));
1067# else
1068# if !@HAVE_LCHOWN@
1069_GL_FUNCDECL_SYS (lchown, int, (char const *file, uid_t owner, gid_t group)
1070 _GL_ARG_NONNULL ((1)));
1071# endif
1072_GL_CXXALIAS_SYS (lchown, int, (char const *file, uid_t owner, gid_t group));
1073# endif
1074_GL_CXXALIASWARN (lchown);
1075#elif defined GNULIB_POSIXCHECK
1076# undef lchown
1077# if HAVE_RAW_DECL_LCHOWN
1078_GL_WARN_ON_USE (lchown, "lchown is unportable to pre-POSIX.1-2001 systems - "
1079 "use gnulib module lchown for portability");
1080# endif
1081#endif
1082
1083
1084#if @GNULIB_LINK@
1085/* Create a new hard link for an existing file.
1086 Return 0 if successful, otherwise -1 and errno set.
1087 See POSIX:2008 specification
1088 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html>. */
1089# if @REPLACE_LINK@
1090# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1091# define link rpl_link
1092# endif
1093_GL_FUNCDECL_RPL (link, int, (const char *path1, const char *path2)
1094 _GL_ARG_NONNULL ((1, 2)));
1095_GL_CXXALIAS_RPL (link, int, (const char *path1, const char *path2));
1096# else
1097# if !@HAVE_LINK@
1098_GL_FUNCDECL_SYS (link, int, (const char *path1, const char *path2)
1099 _GL_ARG_NONNULL ((1, 2)));
1100# endif
1101_GL_CXXALIAS_SYS (link, int, (const char *path1, const char *path2));
1102# endif
1103_GL_CXXALIASWARN (link);
1104#elif defined GNULIB_POSIXCHECK
1105# undef link
1106# if HAVE_RAW_DECL_LINK
1107_GL_WARN_ON_USE (link, "link is unportable - "
1108 "use gnulib module link for portability");
1109# endif
1110#endif
1111
1112
1113#if @GNULIB_LINKAT@
1114/* Create a new hard link for an existing file, relative to two
1115 directories. FLAG controls whether symlinks are followed.
1116 Return 0 if successful, otherwise -1 and errno set. */
1117# if @REPLACE_LINKAT@
1118# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1119# undef linkat
1120# define linkat rpl_linkat
1121# endif
1122_GL_FUNCDECL_RPL (linkat, int,
1123 (int fd1, const char *path1, int fd2, const char *path2,
1124 int flag)
1125 _GL_ARG_NONNULL ((2, 4)));
1126_GL_CXXALIAS_RPL (linkat, int,
1127 (int fd1, const char *path1, int fd2, const char *path2,
1128 int flag));
1129# else
1130# if !@HAVE_LINKAT@
1131_GL_FUNCDECL_SYS (linkat, int,
1132 (int fd1, const char *path1, int fd2, const char *path2,
1133 int flag)
1134 _GL_ARG_NONNULL ((2, 4)));
1135# endif
1136_GL_CXXALIAS_SYS (linkat, int,
1137 (int fd1, const char *path1, int fd2, const char *path2,
1138 int flag));
1139# endif
1140_GL_CXXALIASWARN (linkat);
1141#elif defined GNULIB_POSIXCHECK
1142# undef linkat
1143# if HAVE_RAW_DECL_LINKAT
1144_GL_WARN_ON_USE (linkat, "linkat is unportable - "
1145 "use gnulib module linkat for portability");
1146# endif
1147#endif
1148
1149
1150#if @GNULIB_LSEEK@
1151/* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END.
1152 Return the new offset if successful, otherwise -1 and errno set.
1153 See the POSIX:2008 specification
1154 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html>. */
1155# if @REPLACE_LSEEK@
1156# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1157# define lseek rpl_lseek
1158# endif
1159_GL_FUNCDECL_RPL (lseek, off_t, (int fd, off_t offset, int whence));
1160_GL_CXXALIAS_RPL (lseek, off_t, (int fd, off_t offset, int whence));
1161# else
1162_GL_CXXALIAS_SYS (lseek, off_t, (int fd, off_t offset, int whence));
1163# endif
1164_GL_CXXALIASWARN (lseek);
1165#elif defined GNULIB_POSIXCHECK
1166# undef lseek
1167# if HAVE_RAW_DECL_LSEEK
1168_GL_WARN_ON_USE (lseek, "lseek does not fail with ESPIPE on pipes on some "
1169 "systems - use gnulib module lseek for portability");
1170# endif
1171#endif
1172
1173
1174#if @GNULIB_PIPE@
1175/* Create a pipe, defaulting to O_BINARY mode.
1176 Store the read-end as fd[0] and the write-end as fd[1].
1177 Return 0 upon success, or -1 with errno set upon failure. */
1178# if !@HAVE_PIPE@
1179_GL_FUNCDECL_SYS (pipe, int, (int fd[2]) _GL_ARG_NONNULL ((1)));
1180# endif
1181_GL_CXXALIAS_SYS (pipe, int, (int fd[2]));
1182_GL_CXXALIASWARN (pipe);
1183#elif defined GNULIB_POSIXCHECK
1184# undef pipe
1185# if HAVE_RAW_DECL_PIPE
1186_GL_WARN_ON_USE (pipe, "pipe is unportable - "
1187 "use gnulib module pipe-posix for portability");
1188# endif
1189#endif
1190
1191
1192#if @GNULIB_PIPE2@
1193/* Create a pipe, applying the given flags when opening the read-end of the
1194 pipe and the write-end of the pipe.
1195 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
1196 and O_TEXT, O_BINARY (defined in "binary-io.h").
1197 Store the read-end as fd[0] and the write-end as fd[1].
1198 Return 0 upon success, or -1 with errno set upon failure.
1199 See also the Linux man page at
7a6dbc2f 1200 <https://www.kernel.org/doc/man-pages/online/pages/man2/pipe2.2.html>. */
8839a007
PA		 1201# if @HAVE_PIPE2@
1202# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1203# define pipe2 rpl_pipe2
1204# endif
1205_GL_FUNCDECL_RPL (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1)));
1206_GL_CXXALIAS_RPL (pipe2, int, (int fd[2], int flags));
1207# else
1208_GL_FUNCDECL_SYS (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1)));
1209_GL_CXXALIAS_SYS (pipe2, int, (int fd[2], int flags));
1210# endif
1211_GL_CXXALIASWARN (pipe2);
1212#elif defined GNULIB_POSIXCHECK
1213# undef pipe2
1214# if HAVE_RAW_DECL_PIPE2
1215_GL_WARN_ON_USE (pipe2, "pipe2 is unportable - "
1216 "use gnulib module pipe2 for portability");
1217# endif
1218#endif
1219
1220
1221#if @GNULIB_PREAD@
1222/* Read at most BUFSIZE bytes from FD into BUF, starting at OFFSET.
1223 Return the number of bytes placed into BUF if successful, otherwise
1224 set errno and return -1. 0 indicates EOF.
1225 See the POSIX:2008 specification
1226 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pread.html>. */
1227# if @REPLACE_PREAD@
1228# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1229# undef pread
1230# define pread rpl_pread
1231# endif
1232_GL_FUNCDECL_RPL (pread, ssize_t,
1233 (int fd, void *buf, size_t bufsize, off_t offset)
1234 _GL_ARG_NONNULL ((2)));
1235_GL_CXXALIAS_RPL (pread, ssize_t,
1236 (int fd, void *buf, size_t bufsize, off_t offset));
1237# else
1238# if !@HAVE_PREAD@
1239_GL_FUNCDECL_SYS (pread, ssize_t,
1240 (int fd, void *buf, size_t bufsize, off_t offset)
1241 _GL_ARG_NONNULL ((2)));
1242# endif
1243_GL_CXXALIAS_SYS (pread, ssize_t,
1244 (int fd, void *buf, size_t bufsize, off_t offset));
1245# endif
1246_GL_CXXALIASWARN (pread);
1247#elif defined GNULIB_POSIXCHECK
1248# undef pread
1249# if HAVE_RAW_DECL_PREAD
1250_GL_WARN_ON_USE (pread, "pread is unportable - "
1251 "use gnulib module pread for portability");
1252# endif
1253#endif
1254
1255
1256#if @GNULIB_PWRITE@
1257/* Write at most BUFSIZE bytes from BUF into FD, starting at OFFSET.
1258 Return the number of bytes written if successful, otherwise
1259 set errno and return -1. 0 indicates nothing written. See the
1260 POSIX:2008 specification
1261 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pwrite.html>. */
1262# if @REPLACE_PWRITE@
1263# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1264# undef pwrite
1265# define pwrite rpl_pwrite
1266# endif
1267_GL_FUNCDECL_RPL (pwrite, ssize_t,
1268 (int fd, const void *buf, size_t bufsize, off_t offset)
1269 _GL_ARG_NONNULL ((2)));
1270_GL_CXXALIAS_RPL (pwrite, ssize_t,
1271 (int fd, const void *buf, size_t bufsize, off_t offset));
1272# else
1273# if !@HAVE_PWRITE@
1274_GL_FUNCDECL_SYS (pwrite, ssize_t,
1275 (int fd, const void *buf, size_t bufsize, off_t offset)
1276 _GL_ARG_NONNULL ((2)));
1277# endif
1278_GL_CXXALIAS_SYS (pwrite, ssize_t,
1279 (int fd, const void *buf, size_t bufsize, off_t offset));
1280# endif
1281_GL_CXXALIASWARN (pwrite);
1282#elif defined GNULIB_POSIXCHECK
1283# undef pwrite
1284# if HAVE_RAW_DECL_PWRITE
1285_GL_WARN_ON_USE (pwrite, "pwrite is unportable - "
1286 "use gnulib module pwrite for portability");
1287# endif
1288#endif
1289
1290
1291#if @GNULIB_READ@
1292/* Read up to COUNT bytes from file descriptor FD into the buffer starting
1293 at BUF. See the POSIX:2008 specification
1294 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html>. */
1295# if @REPLACE_READ@
1296# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1297# undef read
1298# define read rpl_read
1299# endif
1300_GL_FUNCDECL_RPL (read, ssize_t, (int fd, void *buf, size_t count)
1301 _GL_ARG_NONNULL ((2)));
1302_GL_CXXALIAS_RPL (read, ssize_t, (int fd, void *buf, size_t count));
1303# else
1304/* Need to cast, because on mingw, the third parameter is
1305 unsigned int count
1306 and the return type is 'int'. */
1307_GL_CXXALIAS_SYS_CAST (read, ssize_t, (int fd, void *buf, size_t count));
1308# endif
1309_GL_CXXALIASWARN (read);
1310#endif
1311
1312
1313#if @GNULIB_READLINK@
1314/* Read the contents of the symbolic link FILE and place the first BUFSIZE
1315 bytes of it into BUF. Return the number of bytes placed into BUF if
1316 successful, otherwise -1 and errno set.
1317 See the POSIX:2008 specification
1318 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html>. */
1319# if @REPLACE_READLINK@
1320# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1321# define readlink rpl_readlink
1322# endif
1323_GL_FUNCDECL_RPL (readlink, ssize_t,
1324 (const char *file, char *buf, size_t bufsize)
1325 _GL_ARG_NONNULL ((1, 2)));
1326_GL_CXXALIAS_RPL (readlink, ssize_t,
1327 (const char *file, char *buf, size_t bufsize));
1328# else
1329# if !@HAVE_READLINK@
1330_GL_FUNCDECL_SYS (readlink, ssize_t,
1331 (const char *file, char *buf, size_t bufsize)
1332 _GL_ARG_NONNULL ((1, 2)));
1333# endif
1334_GL_CXXALIAS_SYS (readlink, ssize_t,
1335 (const char *file, char *buf, size_t bufsize));
1336# endif
1337_GL_CXXALIASWARN (readlink);
1338#elif defined GNULIB_POSIXCHECK
1339# undef readlink
1340# if HAVE_RAW_DECL_READLINK
1341_GL_WARN_ON_USE (readlink, "readlink is unportable - "
1342 "use gnulib module readlink for portability");
1343# endif
1344#endif
1345
1346
1347#if @GNULIB_READLINKAT@
4a626d0a
PA		 1348# if @REPLACE_READLINKAT@
1349# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1350# define readlinkat rpl_readlinkat
1351# endif
1352_GL_FUNCDECL_RPL (readlinkat, ssize_t,
1353 (int fd, char const *file, char *buf, size_t len)
1354 _GL_ARG_NONNULL ((2, 3)));
1355_GL_CXXALIAS_RPL (readlinkat, ssize_t,
1356 (int fd, char const *file, char *buf, size_t len));
1357# else
1358# if !@HAVE_READLINKAT@
8839a007
PA		 1359_GL_FUNCDECL_SYS (readlinkat, ssize_t,
1360 (int fd, char const *file, char *buf, size_t len)
1361 _GL_ARG_NONNULL ((2, 3)));
4a626d0a 1362# endif
8839a007
PA		 1363_GL_CXXALIAS_SYS (readlinkat, ssize_t,
1364 (int fd, char const *file, char *buf, size_t len));
4a626d0a 1365# endif
8839a007
PA		 1366_GL_CXXALIASWARN (readlinkat);
1367#elif defined GNULIB_POSIXCHECK
1368# undef readlinkat
1369# if HAVE_RAW_DECL_READLINKAT
1370_GL_WARN_ON_USE (readlinkat, "readlinkat is not portable - "
1371 "use gnulib module readlinkat for portability");
1372# endif
1373#endif
1374
1375
1376#if @GNULIB_RMDIR@
1377/* Remove the directory DIR. */
1378# if @REPLACE_RMDIR@
1379# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1380# define rmdir rpl_rmdir
1381# endif
1382_GL_FUNCDECL_RPL (rmdir, int, (char const *name) _GL_ARG_NONNULL ((1)));
1383_GL_CXXALIAS_RPL (rmdir, int, (char const *name));
1384# else
1385_GL_CXXALIAS_SYS (rmdir, int, (char const *name));
1386# endif
1387_GL_CXXALIASWARN (rmdir);
1388#elif defined GNULIB_POSIXCHECK
1389# undef rmdir
1390# if HAVE_RAW_DECL_RMDIR
1391_GL_WARN_ON_USE (rmdir, "rmdir is unportable - "
1392 "use gnulib module rmdir for portability");
1393# endif
1394#endif
1395
1396
1397#if @GNULIB_SETHOSTNAME@
1398/* Set the host name of the machine.
1399 The host name may or may not be fully qualified.
1400
1401 Put LEN bytes of NAME into the host name.
1402 Return 0 if successful, otherwise, set errno and return -1.
1403
1404 Platforms with no ability to set the hostname return -1 and set
1405 errno = ENOSYS. */
1406# if !@HAVE_SETHOSTNAME@ || !@HAVE_DECL_SETHOSTNAME@
1407_GL_FUNCDECL_SYS (sethostname, int, (const char *name, size_t len)
1408 _GL_ARG_NONNULL ((1)));
1409# endif
1410/* Need to cast, because on Solaris 11 2011-10, Mac OS X 10.5, IRIX 6.5
1411 and FreeBSD 6.4 the second parameter is int. On Solaris 11
1412 2011-10, the first parameter is not const. */
1413_GL_CXXALIAS_SYS_CAST (sethostname, int, (const char *name, size_t len));
1414_GL_CXXALIASWARN (sethostname);
1415#elif defined GNULIB_POSIXCHECK
1416# undef sethostname
1417# if HAVE_RAW_DECL_SETHOSTNAME
1418_GL_WARN_ON_USE (sethostname, "sethostname is unportable - "
1419 "use gnulib module sethostname for portability");
1420# endif
1421#endif
1422
1423
1424#if @GNULIB_SLEEP@
1425/* Pause the execution of the current thread for N seconds.
1426 Returns the number of seconds left to sleep.
1427 See the POSIX:2008 specification
1428 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html>. */
1429# if @REPLACE_SLEEP@
1430# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1431# undef sleep
1432# define sleep rpl_sleep
1433# endif
1434_GL_FUNCDECL_RPL (sleep, unsigned int, (unsigned int n));
1435_GL_CXXALIAS_RPL (sleep, unsigned int, (unsigned int n));
1436# else
1437# if !@HAVE_SLEEP@
1438_GL_FUNCDECL_SYS (sleep, unsigned int, (unsigned int n));
1439# endif
1440_GL_CXXALIAS_SYS (sleep, unsigned int, (unsigned int n));
1441# endif
1442_GL_CXXALIASWARN (sleep);
1443#elif defined GNULIB_POSIXCHECK
1444# undef sleep
1445# if HAVE_RAW_DECL_SLEEP
1446_GL_WARN_ON_USE (sleep, "sleep is unportable - "
1447 "use gnulib module sleep for portability");
1448# endif
1449#endif
1450
1451
1452#if @GNULIB_SYMLINK@
1453# if @REPLACE_SYMLINK@
1454# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1455# undef symlink
1456# define symlink rpl_symlink
1457# endif
1458_GL_FUNCDECL_RPL (symlink, int, (char const *contents, char const *file)
1459 _GL_ARG_NONNULL ((1, 2)));
1460_GL_CXXALIAS_RPL (symlink, int, (char const *contents, char const *file));
1461# else
1462# if !@HAVE_SYMLINK@
1463_GL_FUNCDECL_SYS (symlink, int, (char const *contents, char const *file)
1464 _GL_ARG_NONNULL ((1, 2)));
1465# endif
1466_GL_CXXALIAS_SYS (symlink, int, (char const *contents, char const *file));
1467# endif
1468_GL_CXXALIASWARN (symlink);
1469#elif defined GNULIB_POSIXCHECK
1470# undef symlink
1471# if HAVE_RAW_DECL_SYMLINK
1472_GL_WARN_ON_USE (symlink, "symlink is not portable - "
1473 "use gnulib module symlink for portability");
1474# endif
1475#endif
1476
1477
1478#if @GNULIB_SYMLINKAT@
4a626d0a
PA		 1479# if @REPLACE_SYMLINKAT@
1480# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1481# undef symlinkat
1482# define symlinkat rpl_symlinkat
1483# endif
1484_GL_FUNCDECL_RPL (symlinkat, int,
1485 (char const *contents, int fd, char const *file)
1486 _GL_ARG_NONNULL ((1, 3)));
1487_GL_CXXALIAS_RPL (symlinkat, int,
1488 (char const *contents, int fd, char const *file));
1489# else
1490# if !@HAVE_SYMLINKAT@
8839a007
PA		 1491_GL_FUNCDECL_SYS (symlinkat, int,
1492 (char const *contents, int fd, char const *file)
1493 _GL_ARG_NONNULL ((1, 3)));
4a626d0a 1494# endif
8839a007
PA		 1495_GL_CXXALIAS_SYS (symlinkat, int,
1496 (char const *contents, int fd, char const *file));
4a626d0a 1497# endif
8839a007
PA		 1498_GL_CXXALIASWARN (symlinkat);
1499#elif defined GNULIB_POSIXCHECK
1500# undef symlinkat
1501# if HAVE_RAW_DECL_SYMLINKAT
1502_GL_WARN_ON_USE (symlinkat, "symlinkat is not portable - "
1503 "use gnulib module symlinkat for portability");
1504# endif
1505#endif
1506
1507
7a6dbc2f
SDJ		 1508#if @GNULIB_TRUNCATE@
1509/* Change the size of the file designated by FILENAME to become equal to LENGTH.
1510 Return 0 if successful, otherwise -1 and errno set.
1511 See the POSIX:2008 specification
1512 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/truncate.html>. */
1513# if @REPLACE_TRUNCATE@
1514# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1515# undef truncate
1516# define truncate rpl_truncate
1517# endif
1518_GL_FUNCDECL_RPL (truncate, int, (const char *filename, off_t length)
1519 _GL_ARG_NONNULL ((1)));
1520_GL_CXXALIAS_RPL (truncate, int, (const char *filename, off_t length));
1521# else
1522# if !@HAVE_DECL_TRUNCATE@
1523_GL_FUNCDECL_SYS (truncate, int, (const char *filename, off_t length)
1524 _GL_ARG_NONNULL ((1)));
1525# endif
1526_GL_CXXALIAS_SYS (truncate, int, (const char *filename, off_t length));
1527# endif
1528_GL_CXXALIASWARN (truncate);
1529#elif defined GNULIB_POSIXCHECK
1530# undef truncate
1531# if HAVE_RAW_DECL_TRUNCATE
1532_GL_WARN_ON_USE (truncate, "truncate is unportable - "
1533 "use gnulib module truncate for portability");
1534# endif
1535#endif
1536
1537
8839a007
PA		 1538#if @GNULIB_TTYNAME_R@
1539/* Store at most BUFLEN characters of the pathname of the terminal FD is
1540 open on in BUF. Return 0 on success, otherwise an error number. */
1541# if @REPLACE_TTYNAME_R@
1542# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1543# undef ttyname_r
1544# define ttyname_r rpl_ttyname_r
1545# endif
1546_GL_FUNCDECL_RPL (ttyname_r, int,
1547 (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2)));
1548_GL_CXXALIAS_RPL (ttyname_r, int,
1549 (int fd, char *buf, size_t buflen));
1550# else
1551# if !@HAVE_DECL_TTYNAME_R@
1552_GL_FUNCDECL_SYS (ttyname_r, int,
1553 (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2)));
1554# endif
1555_GL_CXXALIAS_SYS (ttyname_r, int,
1556 (int fd, char *buf, size_t buflen));
1557# endif
1558_GL_CXXALIASWARN (ttyname_r);
1559#elif defined GNULIB_POSIXCHECK
1560# undef ttyname_r
1561# if HAVE_RAW_DECL_TTYNAME_R
1562_GL_WARN_ON_USE (ttyname_r, "ttyname_r is not portable - "
1563 "use gnulib module ttyname_r for portability");
1564# endif
1565#endif
1566
1567
1568#if @GNULIB_UNLINK@
1569# if @REPLACE_UNLINK@
1570# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1571# undef unlink
1572# define unlink rpl_unlink
1573# endif
1574_GL_FUNCDECL_RPL (unlink, int, (char const *file) _GL_ARG_NONNULL ((1)));
1575_GL_CXXALIAS_RPL (unlink, int, (char const *file));
1576# else
1577_GL_CXXALIAS_SYS (unlink, int, (char const *file));
1578# endif
1579_GL_CXXALIASWARN (unlink);
1580#elif defined GNULIB_POSIXCHECK
1581# undef unlink
1582# if HAVE_RAW_DECL_UNLINK
1583_GL_WARN_ON_USE (unlink, "unlink is not portable - "
1584 "use gnulib module unlink for portability");
1585# endif
1586#endif
1587
1588
1589#if @GNULIB_UNLINKAT@
1590# if @REPLACE_UNLINKAT@
1591# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1592# undef unlinkat
1593# define unlinkat rpl_unlinkat
1594# endif
1595_GL_FUNCDECL_RPL (unlinkat, int, (int fd, char const *file, int flag)
1596 _GL_ARG_NONNULL ((2)));
1597_GL_CXXALIAS_RPL (unlinkat, int, (int fd, char const *file, int flag));
1598# else
1599# if !@HAVE_UNLINKAT@
1600_GL_FUNCDECL_SYS (unlinkat, int, (int fd, char const *file, int flag)
1601 _GL_ARG_NONNULL ((2)));
1602# endif
1603_GL_CXXALIAS_SYS (unlinkat, int, (int fd, char const *file, int flag));
1604# endif
1605_GL_CXXALIASWARN (unlinkat);
1606#elif defined GNULIB_POSIXCHECK
1607# undef unlinkat
1608# if HAVE_RAW_DECL_UNLINKAT
1609_GL_WARN_ON_USE (unlinkat, "unlinkat is not portable - "
1610 "use gnulib module openat for portability");
1611# endif
1612#endif
1613
1614
1615#if @GNULIB_USLEEP@
1616/* Pause the execution of the current thread for N microseconds.
1617 Returns 0 on completion, or -1 on range error.
1618 See the POSIX:2001 specification
1619 <http://www.opengroup.org/susv3xsh/usleep.html>. */
1620# if @REPLACE_USLEEP@
1621# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1622# undef usleep
1623# define usleep rpl_usleep
1624# endif
1625_GL_FUNCDECL_RPL (usleep, int, (useconds_t n));
1626_GL_CXXALIAS_RPL (usleep, int, (useconds_t n));
1627# else
1628# if !@HAVE_USLEEP@
1629_GL_FUNCDECL_SYS (usleep, int, (useconds_t n));
1630# endif
1631_GL_CXXALIAS_SYS (usleep, int, (useconds_t n));
1632# endif
1633_GL_CXXALIASWARN (usleep);
1634#elif defined GNULIB_POSIXCHECK
1635# undef usleep
1636# if HAVE_RAW_DECL_USLEEP
1637_GL_WARN_ON_USE (usleep, "usleep is unportable - "
1638 "use gnulib module usleep for portability");
1639# endif
1640#endif
1641
1642
1643#if @GNULIB_WRITE@
1644/* Write up to COUNT bytes starting at BUF to file descriptor FD.
1645 See the POSIX:2008 specification
1646 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>. */
1647# if @REPLACE_WRITE@
1648# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1649# undef write
1650# define write rpl_write
1651# endif
1652_GL_FUNCDECL_RPL (write, ssize_t, (int fd, const void *buf, size_t count)
1653 _GL_ARG_NONNULL ((2)));
1654_GL_CXXALIAS_RPL (write, ssize_t, (int fd, const void *buf, size_t count));
1655# else
1656/* Need to cast, because on mingw, the third parameter is
1657 unsigned int count
1658 and the return type is 'int'. */
1659_GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count));
1660# endif
1661_GL_CXXALIASWARN (write);
1662#endif
1663
1664_GL_INLINE_HEADER_END
1665
1666#endif /* _@GUARD_PREFIX@_UNISTD_H */
4a626d0a 1667#endif /* _GL_INCLUDING_UNISTD_H */
8839a007 1668#endif /* _@GUARD_PREFIX@_UNISTD_H */
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