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(INT_STRLEN_BOUND, INT_BUFSIZE_BOUND):
[gnulib.git]
/
lib
/
lchown.c
diff --git
a/lib/lchown.c
b/lib/lchown.c
index
b15233e
..
b04fb36
100644
(file)
--- a/
lib/lchown.c
+++ b/
lib/lchown.c
@@
-1,5
+1,5
@@
/* Provide a stub lchown function for systems that lack it.
/* Provide a stub lchown function for systems that lack it.
- Copyright (C) 1998 Free Software Foundation, Inc.
+ Copyright (C) 1998
, 1999, 2002, 2004
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
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
@@
-19,31
+19,34
@@
#include <config.h>
#include <config.h>
-/* Disable the definition of lchown to rpl_lchown (from config.h) in this
- file. Otherwise, we'd get conflicting prototypes for rpl_lchown on
- most systems. */
-#undef lchown
-
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
+
+#include "lchown.h"
+#include "stat-macros.h"
+
+/* Declare chown to avoid a warning. Don't include unistd.h,
+ because it may have a conflicting prototype for lchown. */
+int chown ();
/* Work just like chown, except when FILE is a symbolic link.
/* Work just like chown, except when FILE is a symbolic link.
- In that case, set errno to ENOSYS and return -1. */
+ In that case, set errno to EOPNOTSUPP and return -1.
+ But if autoconf tests determined that chown modifies
+ symlinks, then just call chown. */
int
int
-
rpl_lchown (const chat
*file, uid_t uid, gid_t gid)
+
lchown (const char
*file, uid_t uid, gid_t gid)
{
{
+#if ! CHOWN_MODIFIES_SYMLINK
struct stat stats;
struct stat stats;
- if (lstat (file, &stats) && S_ISLNK (stats.st_mode))
+ if (lstat (file, &stats)
== 0
&& S_ISLNK (stats.st_mode))
{
{
- errno = E
NOSYS
;
+ errno = E
OPNOTSUPP
;
return -1;
}
return -1;
}
+#endif
return chown (file, uid, gid);
}
return chown (file, uid, gid);
}