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libbb: bb_do_delay(3) -> pause_after_failed_login(), and stop looping there

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function                                             old     new   delta
pause_after_failed_login                               -       9      +9
vlock_main                                           358     353      -5
sulogin_main                                         252     247      -5
su_main                                              484     479      -5
passwd_main                                          936     931      -5
login_main                                           967     962      -5
bb_do_delay                                           68       -     -68
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(add/remove: 1/1 grow/shrink: 0/5 up/down: 9/-93)             Total: -84 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2020-11-29 11:32:48 +01:00
parent 32a8f70ac1
commit 87bd558f3f
8 changed files with 27 additions and 16 deletions
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24
libbb/bb_do_delay.c
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@@ -8,13 +8,23 @@
*/
#include "libbb.h"
void FAST_FUNC bb_do_delay(int seconds)
{
time_t start, now;
/* void FAST_FUNC bb_do_delay(int seconds) { ... } - no users yet */
start = time(NULL);
#ifndef LOGIN_FAIL_DELAY
#define LOGIN_FAIL_DELAY 3
#endif
void FAST_FUNC pause_after_failed_login(void)
{
#if 0 /* over-engineered madness */
time_t end, diff;
end = time(NULL) + LOGIN_FAIL_DELAY;
diff = LOGIN_FAIL_DELAY;
do {
sleep(seconds);
now = time(NULL);
} while ((now - start) < seconds);
sleep(diff);
diff = end - time(NULL);
} while (diff > 0);
#else
sleep(LOGIN_FAIL_DELAY);
#endif
}