From 4e19b82398e0cfaa3ca0b9f68772c88d103ff6ea Mon Sep 17 00:00:00 2001
From: Dominik Kaiser
Date: Sun, 10 Mar 2024 13:37:45 +0100
Subject: Complete missing functions and add header

---
 ft_strnstr.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

(limited to 'ft_strnstr.c')

diff --git a/ft_strnstr.c b/ft_strnstr.c
index 2b96b64..54868d4 100644
--- a/ft_strnstr.c
+++ b/ft_strnstr.c
@@ -6,21 +6,23 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/03/06 16:07:54 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/03/07 16:40:20 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/03/10 13:16:58 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
+#include "libft.h"
 
 char	*ft_strnstr(const char *haystack, const char *needle, size_t len)
 {
 	size_t	i;
 	size_t	k;
 
+	if (len < 0 || (!haystack[0] && needle[0]))
+		return (0);
 	i = 0;
 	if (*needle == '\0' || needle == haystack)
 		return ((char *)haystack);
-	while (i < len)
+	while (i < len && haystack[i])
 	{
 		k = 0;
 		while (haystack[i + k] && haystack[i + k] == needle[k] && i + k < len)
@@ -38,9 +40,10 @@ char	*ft_strnstr(const char *haystack, const char *needle, size_t len)
 
 /* int	main(void) */
 /* { */
-/* 	char	haystack[] = "M"; */
-/* 	char	needle[] = "MZIRIBMZE"; */
+/* 	char	haystack[] = "abc"; */
+/* 	char	needle[] = "abcde"; */
+/* 	size_t	len = 5; */
 
-/* 	printf("strnstr: %s\n", strnstr(haystack, haystack, 2)); */
-/* 	printf("ft_strnstr: %s\n", ft_strnstr(haystack, haystack, 2)); */
+/* 	printf("strnstr: %s\n", strnstr(haystack, needle, len)); */
+/* 	printf("ft_strnstr: %s\n", ft_strnstr(haystack, needle, len)); */
 /* } */
-- 
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