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-rw-r--r--locale/weightwc.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/locale/weightwc.h b/locale/weightwc.h
index 9ea1126a24..7862091426 100644
--- a/locale/weightwc.h
+++ b/locale/weightwc.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2001,2003,2004,2005,2007 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2001,2003,2004,2005,2007,2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Ulrich Drepper, <drepper@cygnus.com>.
 
@@ -20,7 +20,7 @@
 /* Find index of weight.  */
 auto inline int32_t
 __attribute ((always_inline))
-findidx (const wint_t **cpp)
+findidx (const wint_t **cpp, size_t len)
 {
   wint_t ch = *(*cpp)++;
   int32_t i = __collidx_table_lookup ((const char *) table, ch);
@@ -32,6 +32,7 @@ findidx (const wint_t **cpp)
   /* Oh well, more than one sequence starting with this byte.
      Search for the correct one.  */
   const int32_t *cp = (const int32_t *) &extra[-i];
+  --len;
   while (1)
     {
       size_t nhere;
@@ -54,7 +55,7 @@ findidx (const wint_t **cpp)
 	     already.  */
 	  size_t cnt;
 
-	  for (cnt = 0; cnt < nhere; ++cnt)
+	  for (cnt = 0; cnt < nhere && cnt < len; ++cnt)
 	    if (cp[cnt] != usrc[cnt])
 	      break;
 
@@ -75,7 +76,7 @@ findidx (const wint_t **cpp)
 	  size_t cnt;
 	  size_t offset;
 
-	  for (cnt = 0; cnt < nhere - 1; ++cnt)
+	  for (cnt = 0; cnt < nhere - 1 && cnt < len; ++cnt)
 	    if (cp[cnt] != usrc[cnt])
 	      break;