From: Jim Meyering <jim@meyering.net>
Date: Sat, 24 Sep 1994 00:41:27 +0000 (+0000)
Subject: (main): Make sure s is not NULL before dereferencing it.
X-Git-Tag: textutils-1_12_1~599
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=00aa9449462b91cb0b2ef51c719c8733310c01a3;p=thirdparty%2Fcoreutils.git

(main): Make sure s is not NULL before dereferencing it.
---

diff --git a/src/nice.c b/src/nice.c
index 814b81737d..a3c6bc3cf5 100644
--- a/src/nice.c
+++ b/src/nice.c
@@ -91,7 +91,7 @@ main (argc, argv)
       /* Make sure s[1..] is a valid negative integer.
 	 Test/convert `s+1' rather than `s+2' so we reject options
 	 like `---5' as unrecognized.  */
-      if (s[0] == '-' && s[1] == '-' && isinteger (s + 1))
+      if (s && s[0] == '-' && s[1] == '-' && isinteger (s + 1))
 	{
 	  adjustment = atoi (s + 1);
 	  adjustment_given = 1;