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Restructure the Duff's device in kerberos4_cksum() to avoid 

a bogus unreachable-code warning from GCC 3.x.
This commit is contained in:
thorpej 2002-11-05 22:34:50 +00:00
parent eab4bb9593
commit baaf41b59f
1 changed files with 8 additions and 16 deletions
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24
lib/libtelnet/kerberos.c
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@ -1,4 +1,4 @@
/* $NetBSD: kerberos.c,v 1.9 2002/08/29 14:53:22 itojun Exp $ */ /* $NetBSD: kerberos.c,v 1.10 2002/11/05 22:34:50 thorpej Exp $ */
/*- /*-
* Copyright (c) 1991, 1993 * Copyright (c) 1991, 1993
@ -38,7 +38,7 @@
#if 0 #if 0
static char sccsid[] = "@(#)kerberos.c 8.3 (Berkeley) 5/30/95"; static char sccsid[] = "@(#)kerberos.c 8.3 (Berkeley) 5/30/95";
#else #else
__RCSID("$NetBSD: kerberos.c,v 1.9 2002/08/29 14:53:22 itojun Exp $"); __RCSID("$NetBSD: kerberos.c,v 1.10 2002/11/05 22:34:50 thorpej Exp $");
#endif #endif
#endif /* not lint */ #endif /* not lint */
@ -526,20 +526,12 @@ kerberos4_cksum(d, n)
* Some compilers will spit out a warning message * Some compilers will spit out a warning message
* about the loop not being entered at the top. * about the loop not being entered at the top.
*/ */
switch (n&03) switch (n&03) {
while (n > 0) { case 0: do { ck ^= (int)*d++ << 24; --n;
case 0: case 3: ck ^= (int)*d++ << 16; --n;
ck ^= (int)*d++ << 24; case 2: ck ^= (int)*d++ << 8; --n;
--n; case 1: ck ^= (int)*d++; --n;
case 3: } while (n);
ck ^= (int)*d++ << 16;
--n;
case 2:
ck ^= (int)*d++ << 8;
--n;
case 1:
ck ^= (int)*d++;
--n;
} }
return(ck); return(ck);
} }