From: Rusty Russell <rusty@rustcorp.com.au>
Date: Thu, 17 Mar 2011 11:42:22 +0000 (+1030)
Subject: tap: fix isdigit and isspace usage.
X-Git-Url: http://git.ozlabs.org/?p=ccan;a=commitdiff_plain;h=18db8f6ff7faf1fe5e831427bc6b524de139dcfe;hp=b7dedf4344c7e573c048a36e7b456f2a4bdbebb7

tap: fix isdigit and isspace usage.

isspace() and isdigit() want an unsigned value.
---

diff --git a/ccan/tap/tap.c b/ccan/tap/tap.c
index 6d3ba0db..9f6d4d06 100644
--- a/ccan/tap/tap.c
+++ b/ccan/tap/tap.c
@@ -115,7 +115,8 @@ _gen_result(int ok, const char *func, const char *file, unsigned int line,
 		if(local_test_name) {
 			name_is_digits = 1;
 			for(c = local_test_name; *c != '\0'; c++) {
-				if(!isdigit(*c) && !isspace(*c)) {
+				if(!isdigit((unsigned char)*c)
+				   && !isspace((unsigned char)*c)) {
 					name_is_digits = 0;
 					break;
 				}