whoops, add strnum.c

2011-06-10 05:46:20 +01:00 · 2011-06-10 05:46:20 +01:00 · afb1f0ead0
commit afb1f0ead0
parent ba456787cb
1 changed files with 20 additions and 0 deletions
--- a/util/strnum.c
+++ b/util/strnum.c
@ -0,0 +1,20 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <stdlib.h>
+#include "../util.h"
+
+long
+strnum(const char *s, int base)
+{
+	char *end;
+	long n;
+	
+	n = strtol(s, &end, base);
+	if(*end != '\0') {
+		if(base == 0)
+			eprintf("%s: not a number\n", s);
+		else
+			eprintf("%s: not a base %d number\n", s, base);
+	}
+	return n;
+}