X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fargp.h;h=f06542aeb576c59dff711270b3622b53557db360;hb=ecbe47ca1c551b24c8a4d7309daba56006956849;hp=0c65a4cbd309eaf21be5062dad2a4b693ca33470;hpb=f301aec3d6159f844a36ae18326d2cc86447d894;p=gnulib.git

diff --git a/lib/argp.h b/lib/argp.h
index 0c65a4cbd..f06542aeb 100644
--- a/lib/argp.h
+++ b/lib/argp.h
@@ -15,7 +15,7 @@
 
    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.  */
 
 #ifndef _ARGP_H
 #define _ARGP_H
@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <ctype.h>
 #include <getopt.h>
+#include <limits.h>
 
 #define __need_error_t
 #include <errno.h>
@@ -579,7 +580,7 @@ __NTH (__option_is_short (__const struct argp_option *__opt))
   else
     {
       int __key = __opt->key;
-      return __key > 0 && isprint (__key);
+      return __key > 0 && __key <= UCHAR_MAX && isprint (__key);
     }
 }