strndup.diff   [plain text]

--- src/softmagic.c.orig	2009-03-09 18:47:28.000000000 -0700
+++ src/softmagic.c	2009-03-09 18:48:17.000000000 -0700
@@ -338,12 +338,12 @@
 	size_t len;
 	char *copy;
 
-	len = strlen(str);
-	if (len > n)
-		len = n;
-	if (!(copy = malloc(len + 1)))
+	for (len = 0; len < n && str[len]; len++)
+		continue;
+
+	if ((copy = malloc(len + 1)) == NULL)
 		return (NULL);
-	(void) memcpy(copy, str, len + 1);
+	memcpy(copy, str, len);
 	copy[len] = '\0';
 	return (copy);
 }