ft_strtrim.c File Reference

#include "../includes/libft.h"

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Functions
char *	ft_strtrim (char const *s1, char const *set)
	Trims leading and trailing characters from a set.

Function Documentation

ft_strtrim()

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

Trims leading and trailing characters from a set.

Parameters

s1	Source string.
set	Set of characters to trim.

Returns

Newly allocated trimmed string, or NULL on failure.

Definition at line 22 of file ft_strtrim.c.

{
    size_t  start;
    size_t  end;
 
    if (!s1 || !set)
        return (NULL);
    start = 0;
    while (s1[start] && ft_strchr(set, s1[start]))
        start++;
    end = ft_strlen(s1);
    while (end > start && ft_strchr(set, s1[end - 1]))
        end--;
    return (ft_substr(s1, start, end - start));
}

References ft_strchr(), ft_strlen(), and ft_substr().

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