From 2694667b8df009082bdf526f4c78e3572759e86c Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Fri, 22 Jan 1993 19:41:33 +0000 Subject: [PATCH] IS* macros may not be given arguments with side effects. --- src/pr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/pr.c b/src/pr.c index c49819d806..1abb686bbd 100644 --- a/src/pr.c +++ b/src/pr.c @@ -455,7 +455,8 @@ main (argc, argv) s = optarg; if (*s == '+') { - if (!ISDIGIT (*++s)) + ++s; + if (!ISDIGIT (*s)) usage ("`+' requires a numeric argument"); first_page_number = atoi (s); } -- 2.47.3