/* Substitute for and wrapper around <unistd.h>.
- Copyright (C) 2003-2010 Free Software Foundation, Inc.
+ Copyright (C) 2003-2011 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
+@PRAGMA_COLUMNS@
/* Special invocation convention:
- On mingw, several headers, including <winsock2.h>, include <unistd.h>,
/* Cygwin 1.7.1 declares symlinkat in <stdio.h>, not in <unistd.h>. */
/* But avoid namespace pollution on glibc systems. */
#if (!(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET) \
- || (@GNULIB_SYMLINKAT@ || defined GNULIB_POSIXCHECK)) \
+ || ((@GNULIB_SYMLINKAT@ || defined GNULIB_POSIXCHECK) \
+ && defined __CYGWIN__)) \
&& ! defined __GLIBC__
# include <stdio.h>
#endif
/* Cygwin 1.7.1 declares unlinkat in <fcntl.h>, not in <unistd.h>. */
/* But avoid namespace pollution on glibc systems. */
-#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__
+#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) && defined __CYGWIN__ \
+ && ! defined __GLIBC__
# include <fcntl.h>
#endif
# include <io.h>
#endif
-#if (@GNULIB_WRITE@ || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \
- || @GNULIB_PREAD@ || defined GNULIB_POSIXCHECK)
+/* AIX and OSF/1 5.1 declare getdomainname in <netdb.h>, not in <unistd.h>.
+ NonStop Kernel declares gethostname in <netdb.h>, not in <unistd.h>. */
+/* But avoid namespace pollution on glibc systems. */
+#if ((@GNULIB_GETDOMAINNAME@ && (defined _AIX || defined __osf__)) \
+ || (@GNULIB_GETHOSTNAME@ && defined __TANDEM)) \
+ && !defined __GLIBC__
+# include <netdb.h>
+#endif
+
+#if (@GNULIB_READ@ || @GNULIB_WRITE@ \
+ || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \
+ || @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK)
/* Get ssize_t. */
# include <sys/types.h>
#endif
_GL_EXTERN_C int _gl_register_dup (int oldfd, int newfd);
_GL_EXTERN_C const char *_gl_directory_name (int fd);
+# else
+# if !@HAVE_DECL_FCHDIR@
+_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/));
+# endif
# endif
_GL_CXXALIAS_SYS (fchdir, int, (int /*fd*/));
_GL_CXXALIASWARN (fchdir);
Null terminate it if the name is shorter than LEN.
If the NIS domain name is longer than LEN, set errno = EINVAL and return -1.
Return 0 if successful, otherwise set errno and return -1. */
-# if !@HAVE_GETDOMAINNAME@
+# if @REPLACE_GETDOMAINNAME@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getdomainname
+# define getdomainname rpl_getdomainname
+# endif
+_GL_FUNCDECL_RPL (getdomainname, int, (char *name, size_t len)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (getdomainname, int, (char *name, size_t len));
+# else
+# if !@HAVE_DECL_GETDOMAINNAME@
_GL_FUNCDECL_SYS (getdomainname, int, (char *name, size_t len)
_GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_SYS (getdomainname, int, (char *name, size_t len));
# endif
-/* Need to cast, because on MacOS X 10.5 systems, the second parameter is
- int len. */
-_GL_CXXALIAS_SYS_CAST (getdomainname, int, (char *name, size_t len));
_GL_CXXALIASWARN (getdomainname);
#elif defined GNULIB_POSIXCHECK
# undef getdomainname
_GL_FUNCDECL_SYS (gethostname, int, (char *name, size_t len)
_GL_ARG_NONNULL ((1)));
# endif
-/* Need to cast, because on Solaris 10 systems, the second parameter is
+/* Need to cast, because on Solaris 10 and OSF/1 5.1 systems, the second
+ parameter is
int len. */
_GL_CXXALIAS_SYS_CAST (gethostname, int, (char *name, size_t len));
# endif
${LOGNAME-$USER} on Unix platforms,
$USERNAME on native Windows platforms.
*/
-# if !@HAVE_DECL_GETLOGIN_R@
+# if @REPLACE_GETLOGIN_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define getlogin_r rpl_getlogin_r
+# endif
+_GL_FUNCDECL_RPL (getlogin_r, int, (char *name, size_t size)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (getlogin_r, int, (char *name, size_t size));
+# else
+# if !@HAVE_DECL_GETLOGIN_R@
_GL_FUNCDECL_SYS (getlogin_r, int, (char *name, size_t size)
_GL_ARG_NONNULL ((1)));
-# endif
+# endif
/* Need to cast, because on Solaris 10 systems, the second argument is
int size. */
_GL_CXXALIAS_SYS_CAST (getlogin_r, int, (char *name, size_t size));
+# endif
_GL_CXXALIASWARN (getlogin_r);
#elif defined GNULIB_POSIXCHECK
# undef getlogin_r
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define getpagesize() _gl_getpagesize ()
# else
+# if !GNULIB_defined_getpagesize_function
static inline int
getpagesize ()
{
return _gl_getpagesize ();
}
+# define GNULIB_defined_getpagesize_function 1
+# endif
# endif
# endif
# endif
#endif
+#if @GNULIB_GROUP_MEMBER@
+/* Determine whether group id is in calling user's group list. */
+# if !@HAVE_GROUP_MEMBER@
+_GL_FUNCDECL_SYS (group_member, int, (gid_t gid));
+# endif
+_GL_CXXALIAS_SYS (group_member, int, (gid_t gid));
+_GL_CXXALIASWARN (group_member);
+#elif defined GNULIB_POSIXCHECK
+# undef group_member
+# if HAVE_RAW_DECL_GROUP_MEMBER
+_GL_WARN_ON_USE (group_member, "group_member is unportable - "
+ "use gnulib module group-member for portability");
+# endif
+#endif
+
+
#if @GNULIB_LCHOWN@
/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
to GID (if GID is not -1). Do not follow symbolic links.
#endif
+#if @GNULIB_PIPE@
+/* Create a pipe, defaulting to O_BINARY mode.
+ Store the read-end as fd[0] and the write-end as fd[1].
+ Return 0 upon success, or -1 with errno set upon failure. */
+# if !@HAVE_PIPE@
+_GL_FUNCDECL_SYS (pipe, int, (int fd[2]) _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_SYS (pipe, int, (int fd[2]));
+_GL_CXXALIASWARN (pipe);
+#elif defined GNULIB_POSIXCHECK
+# undef pipe
+# if HAVE_RAW_DECL_PIPE
+_GL_WARN_ON_USE (pipe, "pipe is unportable - "
+ "use gnulib module pipe-posix for portability");
+# endif
+#endif
+
+
#if @GNULIB_PIPE2@
/* Create a pipe, applying the given flags when opening the read-end of the
pipe and the write-end of the pipe.
#endif
+#if @GNULIB_PWRITE@
+/* Write at most BUFSIZE bytes from BUF into FD, starting at OFFSET.
+ Return the number of bytes written if successful, otherwise
+ set errno and return -1. 0 indicates nothing written. See the
+ POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/pwrite.html>. */
+# if @REPLACE_PWRITE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define pwrite rpl_pwrite
+# endif
+_GL_FUNCDECL_RPL (pwrite, ssize_t,
+ (int fd, const void *buf, size_t bufsize, off_t offset)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (pwrite, ssize_t,
+ (int fd, const void *buf, size_t bufsize, off_t offset));
+# else
+# if !@HAVE_PWRITE@
+_GL_FUNCDECL_SYS (pwrite, ssize_t,
+ (int fd, const void *buf, size_t bufsize, off_t offset)
+ _GL_ARG_NONNULL ((2)));
+# endif
+_GL_CXXALIAS_SYS (pwrite, ssize_t,
+ (int fd, const void *buf, size_t bufsize, off_t offset));
+# endif
+_GL_CXXALIASWARN (pwrite);
+#elif defined GNULIB_POSIXCHECK
+# undef pwrite
+# if HAVE_RAW_DECL_PWRITE
+_GL_WARN_ON_USE (pwrite, "pwrite is unportable - "
+ "use gnulib module pwrite for portability");
+# endif
+#endif
+
+
+#if @GNULIB_READ@
+/* Read up to COUNT bytes from file descriptor FD into the buffer starting
+ at BUF. See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/read.html>. */
+# if @REPLACE_READ@ && @GNULIB_UNISTD_H_NONBLOCKING@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef read
+# define read rpl_read
+# endif
+_GL_FUNCDECL_RPL (read, ssize_t, (int fd, void *buf, size_t count)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (read, ssize_t, (int fd, void *buf, size_t count));
+# else
+/* Need to cast, because on mingw, the third parameter is
+ unsigned int count
+ and the return type is 'int'. */
+_GL_CXXALIAS_SYS_CAST (read, ssize_t, (int fd, void *buf, size_t count));
+# endif
+_GL_CXXALIASWARN (read);
+#endif
+
+
#if @GNULIB_READLINK@
/* Read the contents of the symbolic link FILE and place the first BUFSIZE
bytes of it into BUF. Return the number of bytes placed into BUF if
# undef readlinkat
# if HAVE_RAW_DECL_READLINKAT
_GL_WARN_ON_USE (readlinkat, "readlinkat is not portable - "
- "use gnulib module symlinkat for portability");
+ "use gnulib module readlinkat for portability");
# endif
#endif
#if @GNULIB_TTYNAME_R@
/* Store at most BUFLEN characters of the pathname of the terminal FD is
open on in BUF. Return 0 on success, otherwise an error number. */
-# if !@HAVE_TTYNAME_R@
+# if @REPLACE_TTYNAME_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef ttyname_r
+# define ttyname_r rpl_ttyname_r
+# endif
+_GL_FUNCDECL_RPL (ttyname_r, int,
+ (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (ttyname_r, int,
+ (int fd, char *buf, size_t buflen));
+# else
+# if !@HAVE_DECL_TTYNAME_R@
_GL_FUNCDECL_SYS (ttyname_r, int,
(int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2)));
-# endif
+# endif
_GL_CXXALIAS_SYS (ttyname_r, int,
(int fd, char *buf, size_t buflen));
+# endif
_GL_CXXALIASWARN (ttyname_r);
#elif defined GNULIB_POSIXCHECK
# undef ttyname_r
/* Write up to COUNT bytes starting at BUF to file descriptor FD.
See the POSIX:2001 specification
<http://www.opengroup.org/susv3xsh/write.html>. */
-# if @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@
+# if @REPLACE_WRITE@ && (@GNULIB_UNISTD_H_NONBLOCKING@ || @GNULIB_UNISTD_H_SIGPIPE@)
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef write
# define write rpl_write
projects / gnulib.git / blobdiff