libftprintf/ft_strmap.c at master · mini0621/libftprintf · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strmap.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mnishimo <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2018/11/26 22:31:35 by mnishimo          #+#    #+#             */
/*   Updated: 2019/01/12 22:29:10 by mnishimo         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libftprintf.h"

char	*ft_strmap(char const *s, char (*f)(char))
{
	int		i;
	char	*ptr;

	if (s == NULL)
		return (NULL);
	ptr = (char *)malloc(ft_strlen(s) + 1);
	if (ptr == NULL)
		return (NULL);
	i = 0;
	while (s[i] != '\0')
	{
		ptr[i] = f(s[i]);
		i++;
	}
	ptr[i] = '\0';
	return (ptr);
}