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diff --git a/gnulib/tests/test-vasnprintf-posix2.c b/gnulib/tests/test-vasnprintf-posix2.c
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+/* Test of POSIX compatible vasnprintf() and asnprintf() functions.
+ Copyright (C) 2007-2011 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include "vasnprintf.h"
+
+#include <locale.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "macros.h"
+
+int
+main (int argc, char *argv[])
+{
+ /* configure should already have checked that the locale is supported. */
+ if (setlocale (LC_ALL, "") == NULL)
+ return 1;
+
+ /* Test that a locale dependent decimal point is used. */
+ {
+ size_t length;
+ char *result = asnprintf (NULL, &length, "%.1a", 1.0);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "0x1,0p+0") == 0
+ || strcmp (result, "0x2,0p-1") == 0
+ || strcmp (result, "0x4,0p-2") == 0
+ || strcmp (result, "0x8,0p-3") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ /* Test that a locale dependent decimal point is used. */
+ {
+ size_t length;
+ char *result = asnprintf (NULL, &length, "%.1La", 1.0L);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "0x1,0p+0") == 0
+ || strcmp (result, "0x2,0p-1") == 0
+ || strcmp (result, "0x4,0p-2") == 0
+ || strcmp (result, "0x8,0p-3") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ return 0;
+}