mirror of
https://github.com/lcn2/calc.git
synced 2025-08-16 01:03:29 +03:00
e0df1646fc
Under macOS, to reduce dependency chains, we remove functions and data that are unreachable by the entry point or exported symbols. In particular, the linker is run with "-dead_strip" and with "-dead_strip_dylibs".
76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
/*
|
|
* c_devnull - a custom function that does nothing
|
|
*
|
|
* Copyright (C) 1999-2004,2021,2023 Landon Curt Noll
|
|
*
|
|
* Calc is open software; you can redistribute it and/or modify it under
|
|
* the terms of the version 2.1 of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* Calc 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 Lesser General
|
|
* Public License for more details.
|
|
*
|
|
* A copy of version 2.1 of the GNU Lesser General Public License is
|
|
* distributed with calc under the filename COPYING-LGPL. You should have
|
|
* received a copy with calc; if not, write to Free Software Foundation, Inc.
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* Under source code control: 1997/03/09 17:49:12
|
|
* File existed as early as: 1997
|
|
*
|
|
* chongo <was here> /\oo/\ http://www.isthe.com/chongo/
|
|
* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
|
|
*/
|
|
|
|
|
|
/*
|
|
* ISO C requires a translation unit to contain at least one declaration,
|
|
* so we declare a global variable whose value is based on if CUSTOM is defined.
|
|
*/
|
|
#if defined(CUSTOM)
|
|
int c_devnull_allowed = 1; /* CUSTOM defined */
|
|
#else /* CUSTOM */
|
|
int c_devnull_allowed = 0; /* CUSTOM undefined */
|
|
#endif /* CUSTOM */
|
|
|
|
|
|
#if defined(CUSTOM)
|
|
|
|
#include "../have_unistd.h"
|
|
#if defined(HAVE_UNISTD_H)
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include "../have_const.h"
|
|
#include "../value.h"
|
|
#include "../custom.h"
|
|
|
|
#include "../have_unused.h"
|
|
|
|
|
|
#include "../banned.h" /* include after system header <> includes */
|
|
|
|
|
|
/*
|
|
* c_devnull - a custom function that does nothing
|
|
*
|
|
* This custom function does nothing. It is useful as a test hook
|
|
* for looking at the general interface.
|
|
*/
|
|
/*ARGSUSED*/
|
|
VALUE
|
|
c_devnull(char *UNUSED(name), int UNUSED(count), VALUE **UNUSED(vals))
|
|
{
|
|
VALUE result; /* what we will return */
|
|
|
|
/*
|
|
* return NULL
|
|
*/
|
|
result.v_type = V_NULL;
|
|
return result;
|
|
}
|
|
|
|
#endif /* CUSTOM */
|