hurl

commit dc438c84e129c666039277f3cd8eb9788dec93e5
parent 85d6ee233ea16724799840840cb19c955cc0842f
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Mon,  9 Aug 2021 18:56:59 +0200

parse_content_length: be strict and prevent UB

Diffstat:
M
hurl.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hurl.c b/hurl.c
@@ -76,7 +76,7 @@ parse_content_length(const char *s, size_t *length)
 	p += sizeof("\r\nContent-Length:") - 1;
 	p += strspn(p, " \t");
 
-	if (!isdigit(*p))
+	if (!isdigit((unsigned char)*p))
 		return -1;
 
 	errno = 0;