X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Flchown.c;h=0b74eac8a95f6d573e69f15c7de6fe54878e58a5;hb=1c01f30b6b6a4b087e613f7122095058bfa36c54;hp=37320fb84b720922b3f126000e79ea0a67fa4fd7;hpb=c4da5fc90ff7ff8ef395c84be4b14e0a3d404cbb;p=gnulib.git diff --git a/lib/lchown.c b/lib/lchown.c index 37320fb84..0b74eac8a 100644 --- a/lib/lchown.c +++ b/lib/lchown.c @@ -13,55 +13,42 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* written by Jim Meyering */ -#include +#ifdef HAVE_CONFIG_H +# include +#endif #include #include #include -#ifndef errno -extern int errno; -#endif -#include "lchown.h" - -#ifdef STAT_MACROS_BROKEN -# undef S_ISLNK -#endif -#ifndef S_ISLNK -# ifdef S_IFLNK -# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) -# else -# define S_ISLNK(m) 0 -# endif -#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. - 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 lchown (const char *file, uid_t uid, gid_t gid) { -#if CHOWN_MODIFIES_SYMLINK - return chown (file, uid, gid); -#else +#if ! CHOWN_MODIFIES_SYMLINK struct stat stats; if (lstat (file, &stats) == 0 && S_ISLNK (stats.st_mode)) { - errno = ENOSYS; + errno = EOPNOTSUPP; return -1; } +#endif return chown (file, uid, gid); -#endif }