Merge from emacs-23; up to 2010-06-11T14:39:54Z!cyd@stupidchicken.com.

[gnu-emacs] / lib-src / hexl.c

diff --git a/lib-src/hexl.c b/lib-src/hexl.c
index 95a7f82e1c4b9a2824083fb3c1658f27f0fa6053..89ea7d9f60c7632b39e3fa6fb103a667e7784550 100644 (file)
--- a/lib-src/hexl.c
+++ b/lib-src/hexl.c
@@ -1,13 +1,15 @@
 /* Convert files for Emacs Hexl mode.
-   Copyright (C) 1989, 2001, 2002, 2003, 2004, 2005,
-                 2006, 2007, 2008  Free Software Foundation, Inc.
+   Copyright (C) 1989, 2001-2011  Free Software Foundation, Inc.
+
+Author: Keith Gabryelski
+(according to authors.el)
 
 This file is not considered part of GNU Emacs.
 
-This program is free software; you can redistribute it and/or modify
+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
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -15,9 +17,8 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with this program; see the file COPYING.  If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
@@ -47,12 +48,10 @@ int base = DEFAULT_BASE, un_flag = FALSE, iso_flag = FALSE, endian = 1;
 int group_by = DEFAULT_GROUPING;
 char *progname;
 
-void usage();
+void usage(void) NO_RETURN;
 
 int
-main (argc, argv)
-     int argc;
-     char *argv[];
+main (int argc, char **argv)
 {
   register long address;
   char string[18];
@@ -179,7 +178,9 @@ main (argc, argv)
 
 #define hexchar(x) (isdigit (x) ? x - '0' : x - 'a' + 10)
 
-             fread (buf, 1, 10, fp); /* skip 10 bytes */
+             /* Skip 10 bytes.  */
+             if (fread (buf, 1, 10, fp) != 10)
+               break;
 
              for (i=0; i < 16; ++i)
                {
@@ -207,7 +208,9 @@ main (argc, argv)
                  if (i < 16)
                    break;
 
-                 fread (buf, 1, 18, fp); /* skip 18 bytes */
+                 /* Skip 18 bytes.  */
+                 if (fread (buf, 1, 18, fp) != 18)
+                   break;
                }
            }
        }
@@ -276,13 +279,11 @@ main (argc, argv)
 }
 
 void
-usage ()
+usage (void)
 {
   fprintf (stderr, "usage: %s [-de] [-iso]\n", progname);
   exit (EXIT_FAILURE);
 }
 
-/* arch-tag: 20e04fb7-926e-4e48-be86-64fe869ecdaa
-   (do not change this comment) */
 
 /* hexl.c ends here */