42_minishell/libft/ft_strtrim.c
2024-04-23 16:46:55 +02:00

80 lines
1.7 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strtrim.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mcolonna <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/10/03 11:39:33 by mcolonna #+# #+# */
/* Updated: 2023/10/04 13:07:54 by mcolonna ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdlib.h>
#include "libft.h"
static int is_in(char const c, char const *set)
{
int i;
i = 0;
while (set[i])
{
if (set[i] == c)
return (1);
i++;
}
return (0);
}
static size_t get_length(char const *s1, char const *set)
{
size_t i;
size_t r;
size_t tmp;
i = 0;
while (is_in(s1[i], set))
i++;
r = 0;
tmp = 0;
while (s1[i])
{
if (is_in(s1[i], set))
{
tmp++;
}
else
{
r += tmp;
tmp = 0;
r++;
}
i++;
}
return (r);
}
char *ft_strtrim(char const *s1, char const *set)
{
size_t len;
char *dest;
size_t start;
size_t i;
len = get_length(s1, set);
dest = malloc((len + 1) * sizeof(char));
if (!dest)
return (NULL);
start = 0;
while (is_in(s1[start], set))
start++;
i = 0;
while (i < len)
{
dest[i] = s1[start + i];
i++;
}
dest[i] = '\0';
return (dest);
}