Libft/ft_substr.c at main · e-kose/Libft · GitHub

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/*########       ##    ##  #######   ######  ########
##               ##   ##  ##     ## ##    ## ##
##               ##  ##   ##     ## ##       ##
######  #######  #####    ##     ##  ######  ######
##               ##  ##   ##     ##       ## ##
##               ##   ##  ##     ## ##    ## ##
########         ##    ##  #######   ######  ########*/

#include "libft.h"

char	*ft_substr(char	const *s, unsigned int start, size_t len)
{
	unsigned int	i;
	char			*p;

	if (start > ft_strlen(s))
	{
		return (ft_strdup(""));
	}
	if (ft_strlen(s) < len)
		len = ft_strlen(s);
	i = 0;
	p = malloc((sizeof(char)) * (len + 1));
	if (p == NULL)
		return (NULL);
	while (s[start] && i < len)
	{
		p[i] = s[start];
		i++;
		start++;
	}
	p[i] = '\0';
	return (p);
}