ft_substr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_substr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: akdemir <akdemir@student.42istanbul.com    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/07/09 20:42:58 by akdemir           #+#    #+#             */
/*   Updated: 2023/07/15 18:22:57 by akdemir          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

	slen = ft_strlen(s);
	if (!s)
		return (NULL);
	if (start >= slen || slen == 0 || len == 0)
		return (ft_strdup(""));
	if (len > slen - start)
		len = slen - start;
	p = (char *)malloc(sizeof(char) * (len + 1));
	if (!p)
		return (NULL);
	i = 0;
	while (s[start + i] && i < len)
	{
		p[i] = s[start + i];
		i++;
	}
	p[i] = '\0';
	return (p);
}
int main()
{
	char *s="akif";
	printf("%s",ft_substr(s,1,2));
}