tty: use defines rather than constants
No obj-code changes. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
This commit is contained in:
parent
85ca327529
commit
95a036e125
@ -7,8 +7,8 @@
|
||||
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
||||
*/
|
||||
|
||||
/* BB_AUDIT SUSv3 compliant */
|
||||
/* http://www.opengroup.org/onlinepubs/007904975/utilities/tty.html */
|
||||
/* BB_AUDIT SUSv4 compliant */
|
||||
/* http://www.opengroup.org/onlinepubs/9699919799/utilities/tty.html */
|
||||
|
||||
#include "libbb.h"
|
||||
|
||||
@ -28,14 +28,14 @@ int tty_main(int argc, char **argv IF_NOT_INCLUDE_SUSv2(UNUSED_PARAM))
|
||||
/* gnu tty outputs a warning that it is ignoring all args. */
|
||||
bb_warn_ignoring_args(argc);
|
||||
|
||||
retval = 0;
|
||||
retval = EXIT_SUCCESS;
|
||||
|
||||
s = xmalloc_ttyname(0);
|
||||
s = xmalloc_ttyname(STDIN_FILENO);
|
||||
if (s == NULL) {
|
||||
/* According to SUSv3, ttyname can fail with EBADF or ENOTTY.
|
||||
* We know the file descriptor is good, so failure means not a tty. */
|
||||
s = "not a tty";
|
||||
retval = 1;
|
||||
retval = EXIT_FAILURE;
|
||||
}
|
||||
IF_INCLUDE_SUSv2(if (!silent) puts(s);)
|
||||
IF_NOT_INCLUDE_SUSv2(puts(s);)
|
||||
|
Loading…
Reference in New Issue
Block a user