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To: libc-hacker@sources.redhat.com
Subject: Fix regexp compiler with translation table
From: Andreas Schwab <schwab@suse.de>
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Date: Wed, 12 May 2004 11:52:00 -0000
Message-ID: <jezn8ddfud.fsf@sykes.suse.de>
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build_wcs_buffer didn't set mbs when a translation table is used.  This
can result in all kinds of random behaviour during parsing due to use of
uninitialized memory.

2004-05-12  Andreas Schwab  <schwab@suse.de>

	* posix/regex_internal.c (build_wcs_buffer): Also set pstr->mbs
	when translating.

--- posix/regex_internal.c	26 Feb 2004 12:03:50 +0100	1.40
+++ posix/regex_internal.c	12 May 2004 13:46:04 +0200	
@@ -242,7 +242,7 @@ build_wcs_buffer (pstr)
 	  for (i = 0; i < pstr->mb_cur_max && i < remain_len; ++i)
 	    {
 	      ch = pstr->raw_mbs [pstr->raw_mbs_idx + byte_idx + i];
-	      buf[i] = pstr->trans[ch];
+	      buf[i] = pstr->mbs[byte_idx + i] = pstr->trans[ch];
 	    }
 	  p = (const char *) buf;
 	}

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
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