parsing_utils.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   parsing_utils.c                                    :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lvichi <lvichi@student.42porto.com>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 1970/01/01 01:00:00 by lvichi            #+#    #+#             */
/*   Updated: 2024/10/22 20:03:08 by lvichi           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "cub3d.h"

void	*ft_calloc2(size_t nmemb, size_t size);
int		ft_strlen(char *s);
char	*ft_strchr(char *s, int c);
void	*ft_memset(void *str, int c, size_t n);

void	*ft_calloc2(size_t nmemb, size_t size)
{
	void	*ret;

	size = nmemb * size;
	ret = malloc(size);
	if (!ret)
		return (NULL);
	while (size)
		((char *)ret)[--size] = 0;
	return (ret);
}

int	ft_strlen(char *s)
{
	int	length;

	length = 0;
	while (*s != '\0')
	{
		s++;
		length++;
	}
	return (length);
}

char	*ft_strchr(char *s, int c)
{
	while (*s != '\0')
	{
		if (*s == c)
			return (s);
		s++;
	}
	return (NULL);
}

void	*ft_memset(void *str, int c, size_t n)
{
	unsigned char	*ptr;

	ptr = (unsigned char *)str;
	while (n-- > 0)
		*ptr++ = (unsigned char)c;
	return (str);
}