Date: Sat, 20 Apr 2002 20:28:45 -0701 From: Jos Backus <jos@catnook.com> To: rsync@lists.samba.org Cc: cvs-all@FreeBSD.ORG Subject: Re: rsync breaks on FreeBSD without -O2?(fwd from grog@FreeBSD.org) PR 36998 Message-ID: <20020421032907.GB23136@lizzy.catnook.com> In-Reply-To: <20020421032505.GA23136@lizzy.catnook.com> References: <20020420193712.O10865@va.samba.org> <20020421032505.GA23136@lizzy.catnook.com>
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On Sat, Apr 20, 2002 at 08:24:43PM -0701, Jos Backus wrote: > Here's some mail from freebsd-cvs-all > (<20020420171059.A593@xor.obsecurity.org>). Bruce Evans submitted this > workaround which has been incorporated into the FreeBSD tree. I think we > should do the same. I can do the honors :-) Index: zlib/infcodes.c =================================================================== RCS file: /data/cvs/rsync/zlib/infcodes.c,v retrieving revision 1.3 diff -u -r1.3 infcodes.c --- zlib/infcodes.c 2002/03/12 01:14:58 1.3 +++ zlib/infcodes.c 2002/04/21 03:28:49 @@ -197,8 +197,13 @@ c->mode = COPY; case COPY: /* o: copying bytes in window, waiting for space */ f = q - c->sub.copy.dist; - while (f < s->window) /* modulo window size-"while" instead */ - f += s->end - s->window; /* of "if" handles invalid distances */ + { + /* XXX work around a gcc bug. */ + volatile inflate_blocks_statef *s1 = s; + + while (f < s1->window) /* modulo window size-"while" instead */ + f += s1->end - s1->window; /* of "if" handles invalid distances */ + } while (c->len) { NEEDOUT -- Jos Backus _/ _/_/_/ Santa Clara, CA _/ _/ _/ _/ _/_/_/ _/ _/ _/ _/ jos@catnook.com _/_/ _/_/_/ use Std::Disclaimer; To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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