42-archive/42sh/libft/src/sys/open_access.c
2017-03-25 01:54:17 +01:00

38 lines
1.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* open_access.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/25 01:10:56 by jhalford #+# #+# */
/* Updated: 2017/03/25 01:53:59 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
int is_directory(const char *path)
{
struct stat path_stat;
stat(path, &path_stat);
return (S_ISDIR(path_stat.st_mode));
}
int open_access(char *file, t_flag a_flag, t_flag o_flag, t_flag o_perm)
{
int fd;
if (access(file, F_OK) != 0)
return (-ERR_SET(E_SYS_NOFILE, file));
if (is_directory(file))
return (-ERR_SET(E_SYS_ISDIR, file));
if (access(file, a_flag) != 0)
return (-ERR_SET(E_SYS_NOPERM, file));
if ((fd = open(file, o_flag, o_perm)) < 0)
{
exit(1);
}
return (fd);
}