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ft_substr.c
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ft_substr.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_substr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: kalmheir <[email protected] +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/03 11:28:38 by kalmheir #+# #+# */
/* Updated: 2021/10/06 14:10:26 by kalmheir ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_substr(char const *s, unsigned int start, size_t len)
{
size_t totlength;
size_t actual_length;
char *result;
if (!s)
return (0);
totlength = ft_strlen(s);
if (start >= totlength)
{
result = malloc(sizeof(char));
if (!result)
return (0);
result[0] = 0;
return (result);
}
if (totlength > len)
actual_length = len;
else
actual_length = totlength - start;
result = malloc((actual_length + 1) * sizeof(char));
if (!result)
return (0);
ft_strlcpy(result, s + start, actual_length + 1);
return (result);
}