[src/trunk]: src/share/misc check strtol for ERANGE overflow too...

[lukem <lukem%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1de0524dbab4
branches:  trunk
changeset: 545858:1de0524dbab4
user:      lukem <lukem%NetBSD.org@localhost>
date:      Thu Apr 17 02:59:29 2003 +0000

description:
check strtol for ERANGE overflow too...

diffstat:

 share/misc/style |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (38 lines):

diff -r 6794af373fe2 -r 1de0524dbab4 share/misc/style
--- a/share/misc/style  Thu Apr 17 02:54:07 2003 +0000
+++ b/share/misc/style  Thu Apr 17 02:59:29 2003 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: style,v 1.24 2003/03/10 03:50:38 lukem Exp $ */
+/* $NetBSD: style,v 1.25 2003/04/17 02:59:29 lukem Exp $ */
 
 /*
  * The revision control tag appears first, with a blank line after it.
@@ -29,7 +29,7 @@
 #include <sys/cdefs.h>
 __COPYRIGHT("@(#) Copyright (c) 2000\n\
        The NetBSD Foundation, inc. All rights reserved.\n");
-__RCSID("$NetBSD: style,v 1.24 2003/03/10 03:50:38 lukem Exp $");
+__RCSID("$NetBSD: style,v 1.25 2003/04/17 02:59:29 lukem Exp $");
 
 /*
  * VERY important single-line comments look like this.
@@ -83,6 +83,7 @@
  * The /usr include files should be sorted!
  */
 #include <assert.h>
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -205,8 +206,10 @@
                        bflag = 1;
                        break;
                case 'n':
+                       errno = 0;
                        num = strtol(optarg, &ep, 10);
-                       if (num <= 0 || *ep != '\0')
+                       if (num <= 0 || *ep != '\0' || (errno == ERANGE &&
+                           (num == LONG_MAX || num == LONG_MIN)) )
                                errx(1, "illegal number -- %s", optarg);
                        break;
                case '?':