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-rw-r--r--lib/unistd.in.h37
1 files changed, 30 insertions, 7 deletions
diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index dc6bb7a7c..01b81c8ec 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -126,18 +126,16 @@ extern "C" {
#if @GNULIB_CHOWN@
# if @REPLACE_CHOWN@
-# ifndef REPLACE_CHOWN
-# define REPLACE_CHOWN 1
-# endif
-# if REPLACE_CHOWN
+# undef chown
+# define chown rpl_chown
+# endif
+# if !@HAVE_CHOWN@ || @REPLACE_CHOWN@
/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
to GID (if GID is not -1). Follow symbolic links.
Return 0 if successful, otherwise -1 and errno set.
See the POSIX:2001 specification
<http://www.opengroup.org/susv3xsh/chown.html>. */
-# define chown rpl_chown
extern int chown (const char *file, uid_t uid, gid_t gid);
-# endif
# endif
#elif defined GNULIB_POSIXCHECK
# undef chown
@@ -406,6 +404,28 @@ extern int getdtablesize (void);
#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.
@@ -545,12 +565,15 @@ extern void endusershell (void);
#if @GNULIB_LCHOWN@
# if @REPLACE_LCHOWN@
+# undef lchown
+# define lchown rpl_lchown
+# endif
+# if !@HAVE_LCHOWN@ || @REPLACE_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.
Return 0 if successful, otherwise -1 and errno set.
See the POSIX:2001 specification
<http://www.opengroup.org/susv3xsh/lchown.html>. */
-# define lchown rpl_lchown
extern int lchown (char const *file, uid_t owner, gid_t group);
# endif
#elif defined GNULIB_POSIXCHECK