aboutsummaryrefslogtreecommitdiff
path: root/c07/ex00/ft_strdup.c
blob: c63bd27b140b551c9fbc0b3b54458a587dc6a258 (plain)
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
34
35
36
37
38
39
40
41
42
43
44
45
/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strdup.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cacharle <charles.cabergs@gmail.com>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/07/07 15:39:50 by cacharle          #+#    #+#             */
/*   Updated: 2019/07/08 07:49:52 by cacharle         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stdlib.h>
#include <errno.h>

int		ft_strlen(char *str)
{
	int	counter;

	counter = 0;
	while (str[counter])
		counter++;
	return (counter);
}

char	*ft_strdup(char *src)
{
	int		i;
	char	*dup_ptr;

	dup_ptr = malloc(sizeof(char) * ft_strlen(src));
	if (dup_ptr == NULL)
	{
		errno = ENOMEM;
		return (NULL);
	}
	i = 0;
	while (src[i])
	{
		dup_ptr[i] = src[i];
		i++;
	}
	dup_ptr[i] = '\0';
	return (dup_ptr);
}