get_next_line_utils_bonus.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   get_next_line_utils_bonus.c                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: phelebra <xhelp00@gmail.com>               +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/01/30 09:54:18 by phelebra          #+#    #+#             */
/*   Updated: 2023/02/03 10:59:18 by phelebra         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "get_next_line_bonus.h"

char	*ft_strjoin(char *s1, char *s2)
{
	char	*join;
	size_t	i;
	size_t	j;

	if (!s1)
	{
		s1 = (char *)malloc(1 * sizeof(char));
		*s1 = '\0';
	}
	join = malloc (sizeof(char) * (ft_strlen(s1) + ft_strlen(s2)) + 1);
	if (!join)
		return (NULL);
	i = 0;
	while (s1[i] != '\0')
	{
		join[i] = s1[i];
		i++;
	}
	j = 0;
	while (s2[j] != '\0')
		join[i++] = s2[j++];
	join[i] = '\0';
	free(s1);
	return (join);
}

char	*ft_strchr(const char *s, int c)
{
	if (!s)
		return (NULL);
	while (*s)
	{
		if (*s == c)
			return ((char *)s);
		s++;
	}
	if (*s != c)
		return (NULL);
	return ((char *)s);
}

size_t	ft_strlen(const char *s)
{
	int	i;

	i = 0;
	while (s[i] != '\0')
		i++;
	return (i);
}