From: Scott Wood <scott@thor.buserror.net>
Date: Mon, 3 Mar 2008 16:46:39 +0000 (-0600)
Subject: Compare strings as unsigned, regardless of default char signedness.
X-Git-Url: http://git.buserror.net/cgi-bin/gitweb.cgi?p=polintos%2Fscott%2Fpriv.git;a=commitdiff_plain;h=1d7b46b41c709c3788755c1538e86bb63de8f001

Compare strings as unsigned, regardless of default char signedness.
---

diff --git a/lib/c/freestanding/string.c b/lib/c/freestanding/string.c
index f1ede1e..04cd22a 100644
--- a/lib/c/freestanding/string.c
+++ b/lib/c/freestanding/string.c
@@ -150,7 +150,7 @@ int strcmp(const char *s1, const char *s2)
 		s2++;
 	}
 
-	return *s2 - *s1;
+	return (unsigned char)*s2 - (unsigned char)*s1;
 }
 
 int strncmp(const char *s1, const char *s2, int n)
@@ -163,7 +163,7 @@ int strncmp(const char *s1, const char *s2, int n)
 	if (i == n)
 		return 0;
 
-	return *s2 - *s1;
+	return (unsigned char)*s2 - (unsigned char)*s1;
 }
 
 char *strchr(const char *s, int c)