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| author | Charles <sircharlesaze@gmail.com> | 2019-10-17 09:09:41 +0200 |
|---|---|---|
| committer | Charles <sircharlesaze@gmail.com> | 2019-10-17 09:09:41 +0200 |
| commit | 6cb01d2fd8a6b07ef3ddaa8bb322f30c545316e7 (patch) | |
| tree | b4ff52e57f5cbef2a4ea578e0401a2b206318d4a /ft_substr.c | |
| parent | 8a4d4c806e9896228f016baa62c5c7e219acf655 (diff) | |
| download | libft-6cb01d2fd8a6b07ef3ddaa8bb322f30c545316e7.tar.gz libft-6cb01d2fd8a6b07ef3ddaa8bb322f30c545316e7.tar.bz2 libft-6cb01d2fd8a6b07ef3ddaa8bb322f30c545316e7.zip | |
More protection
- substr if start > str length
- all list functions check for NULL reference
- not modifying const pointers
Diffstat (limited to 'ft_substr.c')
| -rw-r--r-- | ft_substr.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/ft_substr.c b/ft_substr.c index 1d22059..1c23e85 100644 --- a/ft_substr.c +++ b/ft_substr.c @@ -1,22 +1,25 @@ /* ************************************************************************** */ /* */ /* ::: :::::::: */ -/* ft_strsub.c :+: :+: :+: */ +/* ft_substr.c :+: :+: :+: */ /* +:+ +:+ +:+ */ /* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ -/* Created: 2019/10/07 10:16:26 by cacharle #+# #+# */ -/* Updated: 2019/10/14 13:24:02 by cacharle ### ########.fr */ +/* Created: 2019/10/17 08:28:49 by cacharle #+# #+# */ +/* Updated: 2019/10/17 08:28:55 by cacharle ### ########.fr */ /* */ /* ************************************************************************** */ #include <stdlib.h> +#include "libft.h" char *ft_substr(char const *s, unsigned int start, size_t len) { unsigned int i; char *sub; + if (start > ft_strlen(s)) + return (NULL); if ((sub = (char*)malloc(sizeof(char) * (len + 1))) == NULL) return (NULL); i = 0; |