[libc] Fix identification of terminating character in strtoul()

Reported-by: Elliot Huffman <ehuffman@elliot-labs.com> Debugged-by: Christian Nilsson <nikize@gmail.com> Signed-off-by: Michael Brown <mbrown@fensystems.co.uk>
ipxe · Feb 9, 2016 · ed31333 · ed31333
1 parent 334ed1a
commit ed31333
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/string.c b/src/string.c
@@ -272,8 +272,8 @@ unsigned long strtoul ( const char *nptr, char **endptr, int base ) {
 	}
 
 	/* Parse digits */
-	while ( 1 ) {
-		digit = *(nptr++);
+	for ( ; ; nptr++ ) {
+		digit = *nptr;
 		if ( digit >= 'a' ) {
 			digit = ( digit - 'a' + 10 );
 		} else if ( digit >= 'A' ) {