X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsafe-read.h;h=9f8a59bd4f2dac08025fe9ceeffbafa1d55407f6;hb=22403b089802680b3146c51d85815040fc4e9d46;hp=c4445ac1b8558ca781830c6dbe6295edbdac4d85;hpb=849efe7683e163ede9240b27d675977c71c76ce8;p=gnulib.git

diff --git a/lib/safe-read.h b/lib/safe-read.h
index c4445ac1b..9f8a59bd4 100644
--- a/lib/safe-read.h
+++ b/lib/safe-read.h
@@ -13,11 +13,13 @@
 
    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.  */
 
 #include <stddef.h>
 
+#define SAFE_READ_ERROR ((size_t) -1)
+
 /* Read up to COUNT bytes at BUF from descriptor FD, retrying if interrupted.
-   Return the actual number of bytes read, zero for EOF, or (size_t) -1
-   for an error.  */
+   Return the actual number of bytes read, zero for EOF, or SAFE_READ_ERROR
+   upon error.  */
 extern size_t safe_read (int fd, void *buf, size_t count);