get_next_line_utils_bonus.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   get_next_line_utils_bonus.c                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: youel-id <youel-id@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/12/01 00:31:51 by youel-id          #+#    #+#             */
/*   Updated: 2022/12/01 00:31:52 by youel-id         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */


#include "get_next_line_bonus.h"

int ft_strlen(const char *str)
{
	int i;
	i = 0;
	while(str[i] != '\0')
	{
		i++;
	}
	return(i);
}

int	ft_strchr(char *str, char c)
{
	if(!str)
		return 0;
	while (*str)
	{
		if (*str == c)
			return (1);
		str++;
	}
	return (0);
}

char	*ft_strjoin(char  *s1, char  *s2)
{
	int		i;
	int		j;
	char	*res;

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