X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fchown.c;h=2b6b29d461d807eb29e738ee42cfd5c05ea346e2;hb=d6913e92bfd13a918b19223fb676e9c0f136400e;hp=460e4f623a53a6f464cf3ccde5b641c862c58b87;hpb=c4da5fc90ff7ff8ef395c84be4b14e0a3d404cbb;p=gnulib.git

diff --git a/lib/chown.c b/lib/chown.c
index 460e4f623..2b6b29d46 100644
--- a/lib/chown.c
+++ b/lib/chown.c
@@ -36,9 +36,6 @@
 # include <sys/file.h>
 #endif
 #include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
 
 /* Provide a more-closely POSIX-conforming version of chown on
    systems with one or both of the following problems:
@@ -71,10 +68,11 @@ rpl_chown (const char *file, uid_t uid, gid_t gid)
     /* Handle the case in which the system-supplied chown function
        does *not* follow symlinks.  Instead, it changes permissions
        on the symlink itself.  To work around that, we open the
-       file (but this can fail due to lack of read permission) and
+       file (but this can fail due to lack of read or write permission) and
        use fchown on the resulting descriptor.  */
     int fd = open (file, O_RDONLY | O_NONBLOCK | O_NOCTTY);
-    if (fd == -1)
+    if (fd < 0
+	&& (fd = open (file, O_WRONLY | O_NONBLOCK | O_NOCTTY)) < 0)
       return -1;
     if (fchown (fd, uid, gid))
       {