* posix/fnmatch_loop.c: Take rule index returned as part of

	findidx return value into account when accessing weights.
	* posix/regcomp.c: Likewise.
	* posix/regexec.c: Likewise.

4 files changed, 30 insertions, 12 deletions

diff --git a/ChangeLog b/ChangeLog
index ea3bcab..cae58b3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2007-10-12  Ulrich Drepper  <drepper@redhat.com>
 
+	* posix/fnmatch_loop.c: Take rule index returned as part of
+	findidx return value into account when accessing weights.
+	* posix/regcomp.c: Likewise.
+	* posix/regexec.c: Likewise.
+
 	* locale/programs/ld-collate.c (collate_read): Optimize a bit.
 	(skip_to): Fix problems with parameter of elifdef/elifndef.
 
diff --git a/posix/fnmatch_loop.c b/posix/fnmatch_loop.c
index 2bdd837..67c0ee4 100644
--- a/posix/fnmatch_loop.c
+++ b/posix/fnmatch_loop.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 1991,1992,1993,1996,1997,1998,1999,2000,2001,2003,2004,2005,
-   2007 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1993,1996-2001,2003-2005,2007
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -418,15 +418,20 @@ FCT (pattern, string, string_end, no_leading_period, flags, ends)
 			    /* We found a table entry.  Now see whether the
 			       character we are currently at has the same
 			       equivalance class value.  */
-			    int len = weights[idx];
+			    int len = weights[idx & 0xffffff];
 			    int32_t idx2;
 			    const UCHAR *np = (const UCHAR *) n;
 
 			    idx2 = findidx (&np);
-			    if (idx2 != 0 && len == weights[idx2])
+			    if (idx2 != 0
+				&& (idx >> 24) == (idx2 >> 24)
+				&& len == weights[idx2 & 0xffffff])
 			      {
 				int cnt = 0;
 
+				idx &= 0xffffff;
+				idx2 &= 0xffffff;
+
 				while (cnt < len
 				       && (weights[idx + 1 + cnt]
 					   == weights[idx2 + 1 + cnt]))
diff --git a/posix/regcomp.c b/posix/regcomp.c
index 129546c..4cf1688 100644
--- a/posix/regcomp.c
+++ b/posix/regcomp.c
@@ -3378,7 +3378,7 @@ build_equiv_class (bitset_t sbcset, const unsigned char *name)
 
       /* Build single byte matcing table for this equivalence class.  */
       char_buf[1] = (unsigned char) '\0';
-      len = weights[idx1];
+      len = weights[idx1 & 0xffffff];
       for (ch = 0; ch < SBC_MAX; ++ch)
 	{
 	  char_buf[0] = ch;
@@ -3390,11 +3390,15 @@ build_equiv_class (bitset_t sbcset, const unsigned char *name)
 	  if (idx2 == 0)
 	    /* This isn't a valid character.  */
 	    continue;
-	  if (len == weights[idx2])
+	  /* Compare only if the length matches and the collation rule
+	     index is the same.  */
+	  if (len == weights[idx2 & 0xffffff] && (idx1 >> 24) == (idx2 >> 24))
 	    {
 	      int cnt = 0;
+
 	      while (cnt <= len &&
-		     weights[idx1 + 1 + cnt] == weights[idx2 + 1 + cnt])
+		     weights[(idx1 & 0xffffff) + 1 + cnt]
+		     == weights[(idx2 & 0xffffff) + 1 + cnt])
 		++cnt;
 
 	      if (cnt > len)
diff --git a/posix/regexec.c b/posix/regexec.c
index bdfa355..135efe7 100644
--- a/posix/regexec.c
+++ b/posix/regexec.c
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
 
@@ -3825,7 +3825,6 @@ check_node_accept_bytes (const re_dfa_t *dfa, int node_idx,
 	  const int32_t *table, *indirect;
 	  const unsigned char *weights, *extra;
 	  const char *collseqwc;
-	  int32_t idx;
 	  /* This #include defines a local function!  */
 #  include <locale/weight.h>
 
@@ -3883,15 +3882,20 @@ check_node_accept_bytes (const re_dfa_t *dfa, int node_idx,
 		_NL_CURRENT (LC_COLLATE, _NL_COLLATE_EXTRAMB);
 	      indirect = (const int32_t *)
 		_NL_CURRENT (LC_COLLATE, _NL_COLLATE_INDIRECTMB);
-	      idx = findidx (&cp);
+	      int32_t idx = findidx (&cp);
 	      if (idx > 0)
 		for (i = 0; i < cset->nequiv_classes; ++i)
 		  {
 		    int32_t equiv_class_idx = cset->equiv_classes[i];
-		    size_t weight_len = weights[idx];
-		    if (weight_len == weights[equiv_class_idx])
+		    size_t weight_len = weights[idx & 0xffffff];
+		    if (weight_len == weights[equiv_class_idx & 0xffffff]
+			&& (idx >> 24) == (equiv_class_idx >> 24))
 		      {
 			int cnt = 0;
+
+			idx &= 0xffffff;
+			equiv_class_idx &= 0xffffff;
+
 			while (cnt <= weight_len
 			       && (weights[equiv_class_idx + 1 + cnt]
 				   == weights[idx + 1 + cnt]))