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- shrink simple obscure stuff a tiny bit:

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text    data     bss     dec     hex filename
    789       0       0     789     315 obscure.o.oorig
    771       0       0     771     303 obscure.o
- replace bzero by memset while at it.
This commit is contained in:
Bernhard Reutner-Fischer 2006-01-12 15:38:12 +00:00
parent eedd1be730
commit dd9dce104d
1 changed files with 22 additions and 17 deletions
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39
libbb/obscure.c
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@ -1,6 +1,7 @@
/* vi: set sw=4 ts=4: */ /* vi: set sw=4 ts=4: */
/* /*
* Copyright 1989 - 1994, Julianne Frances Haugh <jockgrrl@austin.rr.com> * Copyright 1989 - 1994, Julianne Frances Haugh <jockgrrl@austin.rr.com>
* Copyright 2006, Bernhard Fischer <busybox@busybox.net>
* All rights reserved. * All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
@ -81,23 +82,23 @@ static int similiar(const char *old, const char *newval)
static int simple(const char *newval) static int simple(const char *newval)
{ {
int digits = 0; #define digits 1
int uppers = 0; #define uppers 2
int lowers = 0; #define lowers 3
int others = 0; #define others 4
int c; int c, is_simple = 0;
int size; int size;
int i; int i;
for (i = 0; (c = *newval++) != 0; i++) { for (i = 0; (c = *newval++) != 0; i++) {
if (isdigit(c)) if (isdigit(c))
digits = c; is_simple |= digits;
else if (isupper(c)) else if (isupper(c))
uppers = c; is_simple |= uppers;
else if (islower(c)) else if (islower(c))
lowers = c; is_simple |= lowers;
else else
others = c; is_simple |= others;
} }
/* /*
@ -106,19 +107,23 @@ static int simple(const char *newval)
*/ */
size = 9; size = 9;
if (digits) if (is_simple & digits)
size--; size--;
if (uppers) if (is_simple & uppers)
size--; size--;
if (lowers) if (is_simple & lowers)
size--; size--;
if (others) if (is_simple & others)
size--; size--;
if (size <= i) if (size <= i)
return 0; return 0;
return 1; return 1;
#undef digits
#undef uppers
#undef lowers
#undef others
} }
static char *str_lower(char *string) static char *str_lower(char *string)
@ -163,8 +168,8 @@ password_check(const char *old, const char *newval, const struct passwd *pwdp)
msg = "rotated"; msg = "rotated";
} }
bzero(newmono, strlen(newmono)); memset(newmono, 0, strlen(newmono));
bzero(wrapped, lenwrap * 2); memset(wrapped, 0, lenwrap * 2);
free(newmono); free(newmono);
free(wrapped); free(wrapped);
@ -220,8 +225,8 @@ obscure_msg(const char *old, const char *newval, const struct passwd *pwdp)
msg = password_check(old1, new1, pwdp); msg = password_check(old1, new1, pwdp);
bzero(new1, newlen); memset(new1, 0, newlen);
bzero(old1, oldlen); memset(old1, 0, oldlen);
free(new1); free(new1);
free(old1); free(old1);