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- #include <errno.h>
- #include <io.h>
- #include <stddef.h>
- #include <termios.h>
- #include <libc/bss.h>
- #include <libc/ttyprvt.h>
-
- #define _DEV_STDIN 0x0001
- #define _DEV_STDOUT 0x0002
- #define _DEV_NUL 0x0004
- #define _DEV_CLOCK 0x0008
- #define _DEV_RAW 0x0020
- #define _DEV_CDEV 0x0080
- #define _DEV_IOCTRL 0x4000
-
- int
- tcgetattr (int handle, struct termios *termiosp)
- {
- short devmod;
-
- /* initialize */
- if (__libc_termios_hook_common_count != __bss_count)
- __libc_termios_init ();
-
- /* check handle whether valid or not */
- devmod = _get_dev_info (handle);
- if (devmod == -1)
- return -1;
-
- /* check console */
- if (! (devmod & _DEV_CDEV) || ! (devmod & (_DEV_STDIN|_DEV_STDOUT)))
- {
- errno = ENOTTY;
- return -1;
- }
-
- /* check arguments */
- if (termiosp == NULL)
- {
- errno = EINVAL;
- return -1;
- }
-
- /* get the structure */
- *termiosp = __libc_tty_p->t_termios;
-
- return 0;
- }
-