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-rw-r--r--stdlib/grouping.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/stdlib/grouping.h b/stdlib/grouping.h
index deb7a15cfb..71b89f9133 100644
--- a/stdlib/grouping.h
+++ b/stdlib/grouping.h
@@ -1,5 +1,5 @@
 /* Internal header for proving correct grouping in strings of numbers.
-   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -53,6 +53,11 @@ correctly_grouped_prefix (const STRING_TYPE *begin, const STRING_TYPE *end,
       while (cp >= begin && (wchar_t) *cp != thousands)
 	--cp;
 
+      /* We allow the representation to contain no grouping at all even if
+	 the locale specifies we can have grouping.  */
+      if (cp < begin)
+	return end;
+
       if (end - cp == (int) *gp + 1)
 	{
 	  /* This group matches the specification.  */