#include <fcntl.h>
#include <stdarg.h>
#include "syscall.h"
#include "libc.h"

int open(const char* filename, int flags, ...) {
  mode_t mode = 0;

  if ((flags & O_CREAT) || (flags & O_TMPFILE) == O_TMPFILE) {
    va_list ap;
    va_start(ap, flags);
    mode = va_arg(ap, mode_t);
    va_end(ap);
  }

  int fd = __sys_open_cp(filename, flags, mode);
  if (fd >= 0 && (flags & O_CLOEXEC))
    __syscall(SYS_fcntl, fd, F_SETFD, FD_CLOEXEC);

  return __syscall_ret(fd);
}