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introduce LONE_CHAR (optimized strcmp with one-char string)

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This commit is contained in:
Denis Vlasenko
2006-12-21 13:23:14 +00:00
parent 6910741067
commit bf66fbc8e2
17 changed files with 49 additions and 35 deletions
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5
libbb/correct_password.c
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@ -40,15 +40,14 @@ int correct_password(const struct passwd *pw)
char *unencrypted, *encrypted, *correct;
#ifdef CONFIG_FEATURE_SHADOWPASSWDS
if (!strcmp(pw->pw_passwd, "x") || !strcmp(pw->pw_passwd, "*")) {
if (LONE_CHAR(pw->pw_passwd, 'x') || LONE_CHAR(pw->pw_passwd, '*')) {
struct spwd *sp = getspnam(pw->pw_name);
if (!sp)
bb_error_msg_and_die("no valid shadow password");
correct = sp->sp_pwdp;
}
else
} else
#endif
correct = pw->pw_passwd;