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udhcpc: kill undocumented -W, it was a no-op.

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fix option parsing in the case some CONFIG_x are off.
 disable -b on NOMMU, make backgrounding work correctly
 (if a bit differently from MMU case). Previously,
 it wasn't working at all.
 stop using global data for flags in main(), opt
 bitfield works as well.

function                                             old     new   delta
cryptpw_main                                         177     153     -24
packed_usage                                       24478   24452     -26
client_background                                     26       -     -26
udhcpc_main                                         2462    2372     -90
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/3 up/down: 0/-166)           Total: -166 bytes
This commit is contained in:
Denis Vlasenko
2008-06-13 20:44:05 +00:00
parent 76f812803b
commit 21765fa063
6 changed files with 108 additions and 100 deletions
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2
libbb/correct_password.c
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@ -59,7 +59,7 @@ int correct_password(const struct passwd *pw)
/* getspnam_r may return 0 yet set result to NULL.
* At least glibc 2.4 does this. Be extra paranoid here. */
struct spwd *result = NULL;
int r = getspnam_r(pw->pw_name, &spw, buffer, sizeof(buffer), &result);
r = getspnam_r(pw->pw_name, &spw, buffer, sizeof(buffer), &result);
correct = (r || !result) ? "aa" : result->sp_pwdp;
}
#endif