emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

special-case {true,false,test} --help

Browse Source 
This also removes their help texts.

function                                             old     new   delta
run_applet_no_and_exit                               442     452     +10
packed_usage                                       30713   30625     -88

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2015-04-21 16:00:41 +02:00
parent 7d86384b24
commit de5edadee2
4 changed files with 21 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
libbb/appletlib.c
View File

@ -748,23 +748,25 @@ void FAST_FUNC run_applet_no_and_exit(int applet_no, char **argv)
xfunc_error_retval = EXIT_FAILURE;
applet_name = APPLET_NAME(applet_no);
#if defined APPLET_NO_test
/* Special case. POSIX says "test --help"
* should be no different from e.g. "test --foo".
* Thus for "test", we skip --help check.
* "true" and "false" are also special.
*/
if (applet_no != APPLET_NO_test)
if (1
#if defined APPLET_NO_test
&& applet_no != APPLET_NO_test
#endif
#if defined APPLET_NO_true
&& applet_no != APPLET_NO_true
#endif
{
if (argc == 2 && strcmp(argv[1], "--help") == 0) {
#if defined APPLET_NO_false
/* Someone insisted that "false --help" must exit 1. Sigh */
if (applet_no != APPLET_NO_false)
&& applet_no != APPLET_NO_false
#endif
{
/* Make "foo --help" exit with 0: */
xfunc_error_retval = 0;
}
) {
if (argc == 2 && strcmp(argv[1], "--help") == 0) {
/* Make "foo --help" exit with 0: */
xfunc_error_retval = 0;
bb_show_usage();
}
}