/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   get_next_line_utils.c                              :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/11/07 17:19:41 by erey-bet          #+#    #+#             */
/*   Updated: 2022/11/07 17:19:42 by erey-bet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "get_next_line.h"

void	*ft_calloc(size_t nitems, size_t size)
{
	size_t	i;
	char	*tmp;

	if (nitems == 0 || size == 0)
		return (malloc(0));
	if (nitems * size < nitems)
		return (NULL);
	tmp = malloc(nitems * size);
	if (tmp == NULL)
		return (NULL);
	i = 0;
	while (i < nitems * size)
	{
		tmp[i] = '\0';
		i++;
	}
	return (tmp);
}

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

	if (str == NULL)
		return (0);
	i = 0;
	while (str[i] != '\0')
		i++;
	return (i);
}

int	ft_strchr(const char *str, int search)
{
	int	i;

	i = 0;
	while (str[i] || str[i] == (unsigned char)search)
	{
		if (str[i] == (unsigned char)search)
			return (i);
		i++;
	}
	return (-1);
}

void	ft_strlcpy(char *dest, const char *src, size_t size)
{
	size_t	i;

	i = 0;
	if (!size || !dest || !src)
		return ;
	while (i < size - 1 && src[i] != '\0')
	{
		dest[i] = src[i];
		i++;
	}
	dest[i] = '\0';
}

void	*ft_realloc(void *ptr, size_t new_size)
{
	char	*str;
	char	*p;
	int		i;

	i = -1;
	p = ptr;
	str = ft_calloc(ft_strlen(p) + 1, 1);
	while (p[++i])
		str[i] = p[i];
	str[i] = '\0';
	free(ptr);
	p = ft_calloc(new_size, 1);
	if (p == NULL)
		return (NULL);
	i = 0;
	while (str[i])
	{
		p[i] = str[i];
		i++;
	}
	p[i] = '\0';
	ptr = p;
	free(str);
	str = NULL;
	return (ptr);
}