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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_getfile_fd.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/05/11 09:52:32 by charles #+# #+# */
/* Updated: 2020/08/02 10:55:46 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft_io.h"
/*
** \brief Read a file in a memory buffer
** \param fd File descriptor to read from
** \param mem Pointer to mem struct (buffer and buffer size)
** \return -1 on error, 0 otherwise
*/
int ft_getfile_fd(int fd, t_ftmem *mem)
{
char buf[FT_GETFILE_BUFFER_SIZE];
int ret;
if (fd < 0 || fd > OPEN_MAX || mem == NULL
|| (mem->data = malloc(1)) == NULL)
return (-1);
mem->size = 0;
while ((ret = read(fd, buf, FT_GETFILE_BUFFER_SIZE)) > 0)
{
if ((mem->data = ft_memjoinf1(mem->data, mem->size, buf, ret)) == NULL)
return (-1);
mem->size += ret;
}
if (ret == -1)
free(mem->data);
return (ret);
}
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