From 00aa9449462b91cb0b2ef51c719c8733310c01a3 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Sat, 24 Sep 1994 00:41:27 +0000 Subject: (main): Make sure s is not NULL before dereferencing it. --- src/nice.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/nice.c') diff --git a/src/nice.c b/src/nice.c index 814b81737..a3c6bc3cf 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; -- cgit v1.2.3-54-g00ecf