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main: fix the case where user has "halt" as login shell. Closes 9986

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halt::0:0::/:/sbin/halt

function                                             old     new   delta
run_applet_and_exit                                  748     751      +3
run_applet_no_and_exit                               467     459      -8

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2017-07-07 19:08:56 +02:00
parent b0c0b6d5ba
commit 69a5ec9dcc
5 changed files with 11 additions and 7 deletions
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10
libbb/appletlib.c
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@@ -877,13 +877,17 @@ static int busybox_main(char **argv)
# endif
# if NUM_APPLETS > 0
void FAST_FUNC run_applet_no_and_exit(int applet_no, char **argv)
void FAST_FUNC run_applet_no_and_exit(int applet_no, const char *name, char **argv)
{
int argc = string_array_len(argv);
/* Reinit some shared global data */
xfunc_error_retval = EXIT_FAILURE;
applet_name = bb_get_last_path_component_nostrip(argv[0]);
/*
* We do not use argv[0]: do not want to repeat massaging of
* "-/sbin/halt" -> "halt", for example.
*/
applet_name = name;
/* Special case. POSIX says "test --help"
* should be no different from e.g. "test --foo".
@@ -927,7 +931,7 @@ static NORETURN void run_applet_and_exit(const char *name, char **argv)
{
int applet = find_applet_by_name(name);
if (applet >= 0)
run_applet_no_and_exit(applet, argv);
run_applet_no_and_exit(applet, name, argv);
}
# endif