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/* Test whether __func__ is available
Copyright (C) 2008-2021 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 <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2008. */
#include <config.h>
#include <string.h>
#include "macros.h"
int
main ()
{
ASSERT (strlen (__func__) > 0);
/* On Oracle Developer Studio 12.6 and earlier, sizeof __func__ yields 0.
The compiler warns: "warning: null dimension: sizeof()". */
#if !defined __SUNPRO_C
ASSERT (strlen (__func__) + 1 == sizeof __func__);
#endif
ASSERT (strcmp (__func__, "main") == 0
|| strcmp (__func__, "<unknown function>") == 0);
return 0;
}
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