/* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>. */
#include <stdlib.h>
-#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@
+#if ((@GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@) \
+ || (@GNULIB_READLINK@ && (!@HAVE_READLINK@ || @REPLACE_READLINK@)) \
+ || (@GNULIB_READLINKAT@ && !@HAVE_READLINKAT@))
/* Get ssize_t. */
# include <sys/types.h>
#endif
/* Get getopt(), optarg, optind, opterr, optopt. */
-#if @GNULIB_UNISTD_H_GETOPT@
+#if @GNULIB_UNISTD_H_GETOPT@ && !defined _GL_SYSTEM_GETOPT
# include <getopt.h>
#endif
# define STDERR_FILENO 2
#endif
-/* Ensure *_OK functions exist. */
+/* Ensure *_OK macros exist. */
#ifndef F_OK
# define F_OK 0
# define X_OK 1
#endif
-#if @GNULIB_FCHOWNAT@
-# if @REPLACE_FCHOWNAT@
-# undef fchownat
-# define fchownat rpl_fchownat
-# endif
-# if !@HAVE_FCHOWNAT@ || @REPLACE_FCHOWNAT@
-extern int fchownat (int fd, char const *file, uid_t owner, gid_t group, int flag);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef fchownat
-# define fchownat(d,n,o,g,f) \
- (GL_LINK_WARNING ("fchownat is not portable - " \
- "use gnulib module openat for portability"), \
- fchownat (d, n, o, g, f))
-#endif
-
-
-#if @GNULIB_UNLINK@
-# if @REPLACE_UNLINK@
-# undef unlink
-# define unlink rpl_unlink
-extern int unlink (char const *file);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef unlink
-# define unlink(n) \
- (GL_LINK_WARNING ("unlink is not portable - " \
- "use gnulib module unlink for portability"), \
- unlink (n))
-#endif
-
-
-#if @GNULIB_UNLINKAT@
-# if @REPLACE_UNLINKAT@
-# undef unlinkat
-# define unlinkat rpl_unlinkat
-# endif
-# if !@HAVE_UNLINKAT@ || @REPLACE_UNLINKAT@
-extern int unlinkat (int fd, char const *file, int flag);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef unlinkat
-# define unlinkat(d,n,f) \
- (GL_LINK_WARNING ("unlinkat is not portable - " \
- "use gnulib module openat for portability"), \
- unlinkat (d, n, f))
-#endif
-
-
-#if @GNULIB_FACCESSAT@
-# if !@HAVE_FACCESSAT@
-int faccessat (int fd, char const *file, int mode, int flag);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef faccessat
-# define faccessat(d,n,m,f) \
- (GL_LINK_WARNING ("faccessat is not portable - " \
- "use gnulib module faccessat for portability"), \
- faccessat (d, n, m, f))
-#endif
-
-#if @GNULIB_SYMLINKAT@
-# if !@HAVE_SYMLINKAT@
-int symlinkat (char const *contents, int fd, char const *file);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef symlinkat
-# define symlinkat(c,d,n) \
- (GL_LINK_WARNING ("symlinkat is not portable - " \
- "use gnulib module symlinkat for portability"), \
- symlinkat (c, d, n))
-#endif
-
-#if @GNULIB_READLINKAT@
-# if !@HAVE_READLINKAT@
-ssize_t readlinkat (int fd, char const *file, char *buf, size_t len);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef readlinkat
-# define readlinkat(d,n,b,l) \
- (GL_LINK_WARNING ("readlinkat is not portable - " \
- "use gnulib module symlinkat for portability"), \
- readlinkat (d, n, b, l))
-#endif
-
#if @GNULIB_CLOSE@
# if @REPLACE_CLOSE@
/* Automatically included by modules that need a replacement for close. */
close (f))
#endif
+
#if @REPLACE_DUP@
# define dup rpl_dup
extern int dup (int);
#endif
+
#if @GNULIB_DUP2@
# if @REPLACE_DUP2@
# define dup2 rpl_dup2
#if @GNULIB_EUIDACCESS@
# if !@HAVE_EUIDACCESS@
-/* Like access(), except that is uses the effective user id and group id of
+/* Like access(), except that it uses the effective user id and group id of
the current process. */
extern int euidaccess (const char *filename, int mode);
# endif
#endif
+#if @GNULIB_FACCESSAT@
+# if !@HAVE_FACCESSAT@
+int faccessat (int fd, char const *file, int mode, int flag);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef faccessat
+# define faccessat(d,n,m,f) \
+ (GL_LINK_WARNING ("faccessat is not portable - " \
+ "use gnulib module faccessat for portability"), \
+ faccessat (d, n, m, f))
+#endif
+
+
#if @GNULIB_FCHDIR@
# if @REPLACE_FCHDIR@
/* Change the process' current working directory to the directory on which
#endif
+#if @GNULIB_FCHOWNAT@
+# if @REPLACE_FCHOWNAT@
+# undef fchownat
+# define fchownat rpl_fchownat
+# endif
+# if !@HAVE_FCHOWNAT@ || @REPLACE_FCHOWNAT@
+extern int fchownat (int fd, char const *file, uid_t owner, gid_t group, int flag);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fchownat
+# define fchownat(d,n,o,g,f) \
+ (GL_LINK_WARNING ("fchownat is not portable - " \
+ "use gnulib module openat for portability"), \
+ fchownat (d, n, o, g, f))
+#endif
+
+
#if @GNULIB_FSYNC@
/* Synchronize changes to a file.
Return 0 if successful, otherwise -1 and errno set.
#endif
+#if @GNULIB_GETGROUPS@
+# if @REPLACE_GETGROUPS@
+# undef getgroups
+# define getgroups rpl_getgroups
+# endif
+# if !@HAVE_GETGROUPS@ || @REPLACE_GETGROUPS@
+/* Return the supplemental groups that the current process belongs to.
+ It is unspecified whether the effective group id is in the list.
+ If N is 0, return the group count; otherwise, N describes how many
+ entries are available in GROUPS. Return -1 and set errno if N is
+ not 0 and not large enough. Fails with ENOSYS on some systems. */
+int getgroups (int n, gid_t *groups);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getgroups
+# define getgroups(n,g) \
+ (GL_LINK_WARNING ("getgroups is unportable - " \
+ "use gnulib module getgroups for portability"), \
+ getgroups (n, g))
+#endif
+
+
#if @GNULIB_GETHOSTNAME@
/* Return the standard host name of the machine.
WARNING! The host name may or may not be fully qualified.
link (path1, path2))
#endif
+#if @GNULIB_LINKAT@
+# if @REPLACE_LINKAT@
+# undef linkat
+# define linkat rpl_linkat
+# endif
+/* Create a new hard link for an existing file, relative to two
+ directories. FLAG controls whether symlinks are followed.
+ Return 0 if successful, otherwise -1 and errno set. */
+# if !@HAVE_LINKAT@ || @REPLACE_LINKAT@
+extern int linkat (int fd1, const char *path1, int fd2, const char *path2,
+ int flag);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef linkat
+# define link(f1,path1,f2,path2,f) \
+ (GL_LINK_WARNING ("linkat is unportable - " \
+ "use gnulib module linkat for portability"), \
+ linkat (f1, path1, f2, path2,f))
+#endif
#if @GNULIB_LSEEK@
# if @REPLACE_LSEEK@
#if @GNULIB_READLINK@
+# if @REPLACE_READLINK@
+# define readlink rpl_readlink
+# endif
/* 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
successful, otherwise -1 and errno set.
See the POSIX:2001 specification
<http://www.opengroup.org/susv3xsh/readlink.html>. */
-# if !@HAVE_READLINK@
-extern int readlink (const char *file, char *buf, size_t bufsize);
+# if !@HAVE_READLINK@ || @REPLACE_READLINK@
+extern ssize_t readlink (const char *file, char *buf, size_t bufsize);
# endif
#elif defined GNULIB_POSIXCHECK
# undef readlink
#endif
+#if @GNULIB_READLINKAT@
+# if !@HAVE_READLINKAT@
+ssize_t readlinkat (int fd, char const *file, char *buf, size_t len);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef readlinkat
+# define readlinkat(d,n,b,l) \
+ (GL_LINK_WARNING ("readlinkat is not portable - " \
+ "use gnulib module symlinkat for portability"), \
+ readlinkat (d, n, b, l))
+#endif
+
+
#if @GNULIB_RMDIR@
# if @REPLACE_RMDIR@
# define rmdir rpl_rmdir
#endif
+#if @GNULIB_SYMLINK@
+# if @REPLACE_SYMLINK@
+# undef symlink
+# define symlink rpl_symlink
+# endif
+# if !@HAVE_SYMLINK@ || @REPLACE_SYMLINK@
+int symlink (char const *contents, char const *file);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef symlink
+# define symlink(c,n) \
+ (GL_LINK_WARNING ("symlink is not portable - " \
+ "use gnulib module symlink for portability"), \
+ symlink (c, n))
+#endif
+
+
+#if @GNULIB_SYMLINKAT@
+# if !@HAVE_SYMLINKAT@
+int symlinkat (char const *contents, int fd, char const *file);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef symlinkat
+# define symlinkat(c,d,n) \
+ (GL_LINK_WARNING ("symlinkat is not portable - " \
+ "use gnulib module symlinkat for portability"), \
+ symlinkat (c, d, n))
+#endif
+
+
+#if @GNULIB_UNLINK@
+# if @REPLACE_UNLINK@
+# undef unlink
+# define unlink rpl_unlink
+extern int unlink (char const *file);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef unlink
+# define unlink(n) \
+ (GL_LINK_WARNING ("unlink is not portable - " \
+ "use gnulib module unlink for portability"), \
+ unlink (n))
+#endif
+
+
+#if @GNULIB_UNLINKAT@
+# if @REPLACE_UNLINKAT@
+# undef unlinkat
+# define unlinkat rpl_unlinkat
+# endif
+# if !@HAVE_UNLINKAT@ || @REPLACE_UNLINKAT@
+extern int unlinkat (int fd, char const *file, int flag);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef unlinkat
+# define unlinkat(d,n,f) \
+ (GL_LINK_WARNING ("unlinkat is not portable - " \
+ "use gnulib module openat for portability"), \
+ unlinkat (d, n, f))
+#endif
+
+
#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@
/* Write up to COUNT bytes starting at BUF to file descriptor FD.
See the POSIX:2001 specification
projects / pspp / blobdiff