files dans srcs sans dossier

srcs/ft_calloc.c

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_calloc.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: hulamy <marvin@42.fr>                      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/11/25 13:54:53 by hulamy            #+#    #+#             */
+/*   Updated: 2019/12/01 16:04:12 by hulamy           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+/*
+**	exemple allocation for 5 integers with malloc then calloc :
+**	a = (int *)malloc(5 * sizeof(int));	//5*4bytes = 20 bytes
+**	free(a);
+**	a = (int *)calloc(5, sizeof(int));
+**
+**	allocate count * size byte of memory and
+**	return a pointer to the allocated memory
+*/
+
+/*
+**	#include <libc.h>
+**
+**	void	ft_bzero(void *s, size_t n)
+**	{
+**		size_t			i;
+**		unsigned char	*ptr;
+**
+**		if (n)
+**		{
+**			ptr = (unsigned char *)s;
+**			i = 0;
+**			while (i < n)
+**				ptr[i++] = '\0';
+**		}
+**	}
+**
+**	void	*ft_calloc(size_t count, size_t size);
+**
+**	int		main(void)
+**	{
+**		void *str;
+**
+**		str = ft_calloc(0, 0);
+**		if (str == ((void *)0))
+**			printf("failed\n");
+**		free(str);
+**		return (0);
+**	}
+*/
+
+#include "libft.h"
+
+void	*ft_calloc(size_t count, size_t size)
+{
+	void	*tmp;
+
+	if (!(tmp = malloc(count * size)))
+		return (NULL);
+	ft_bzero(tmp, count * size);
+	return (tmp);
+}