1
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cub3d/libft/str/ft_substr.c
2024-09-10 16:27:06 +02:00

48 lines
1.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_substr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: madumerg <madumerg@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/11/06 11:14:21 by madumerg #+# #+# */
/* Updated: 2023/11/09 16:27:51 by madumerg ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
int ft_min(int lenb, int len)
{
if (len < lenb)
return (len);
return (lenb);
}
char *ft_substr(char const *s, unsigned int start, size_t len)
{
char *str;
size_t lenb;
size_t i;
size_t j;
if (!s)
return (NULL);
if (start > ft_strlen(s))
return (ft_calloc(1, 1));
lenb = ft_strlen(s) - start;
str = malloc(sizeof(char) * ft_min(lenb, len) + 1);
if (!str)
return (NULL);
i = start;
j = 0;
while (s[i] && j < len)
{
str[j] = s[i];
i++;
j++;
}
str[j] = '\0';
return (str);
}