ft_strmapi.c

/* ************************************************************************** */
/*                                                          LE - /            */
/*                                                              /             */
/*   ft_strmapi.c                                     .::    .:/ .      .::   */
/*                                                 +:+:+   +:    +:  +:+:+    */
/*   By: rcabotia <marvin@le-101.fr>                +:+   +:    +:    +:+     */
/*                                                 #+#   #+    #+    #+#      */
/*   Created: 2018/10/05 13:57:59 by rcabotia     #+#   ##    ##    #+#       */
/*   Updated: 2018/10/10 17:22:54 by rcabotia    ###    #+. /#+    ###.fr     */
/*                                                         /                  */
/*                                                        /                   */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strmapi(char const *s, char (*f)(unsigned int, char))
{
	char	*str;
	int		i;
	int		length;

	i = 0;
	length = 0;
	if (!s || !f)
		return (NULL);
	while (s[i++])
		length++;
	if (!(str = (char *)malloc(sizeof(*str) * length + 1)))
		return (NULL);
	i = 0;
	while (i < length)
	{
		str[i] = f(i, s[i]);
		i++;
	}
	str[i] = '\0';
	return (str);
}