#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include "fileutil.h"

FILE *fopen(char const * restrict filename, char const * restrict mode)
{
	FILE *fp = calloc(1, sizeof *fp);
	if(!fp) goto err;

	int flags = __fp_parse_mode(mode, fp);
	if(flags < 0) goto err;

	int fd = open(filename, flags, 0755);
	if(fd < 0) goto err;

	__fp_open(fp, fd, true);
	return fp;

err:
	if(fp && fp->bufowned)
		free(fp->buf);
	free(fp);
	return NULL;
}