95a036e12
Bernhard Reutner-Fischer
2009-10-29
Subject
tty: use defines rather than constants
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Commit Diff GitHub →
coreutils/tty.c+5 -5
| @@ -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);) | |