ft_strtrim.c File Reference

#include <stddef.h>
#include "ft_string.h"

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Functions
char *	ft_strtrim (char const *s1, char const *set)

Function Documentation

ft_strtrim()

char* ft_strtrim	(	char const *	s1,
		char const *	set
	)

Definition at line 16 of file ft_strtrim.c.

{
    size_t      s1_len;
    const char  *s1_end;
 
    if (s1 == NULL)
        return (NULL);
    if (set == NULL || *s1 == '\0')
        return (ft_strdup(s1));
    s1_len = ft_strlen(s1);
    s1_end = s1 + s1_len - 1;
    while (*s1 != '\0' && ft_strchr(set, *s1) != NULL)
        s1++;
    if (*s1 == '\0')
        return (ft_strdup(""));
    while (ft_strchr(set, *s1_end) != NULL)
        s1_end--;
    return (ft_strndup(s1, (size_t)s1_end - (size_t)s1 + 1));
}

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