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".
140 lines
3.5 KiB
C
140 lines
3.5 KiB
C
/*
|
|
* custtbl - custom interface table
|
|
*
|
|
* Copyright (C) 1999-2007,2021,2023 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 02:28:54
|
|
* 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 custtbl_allowed = 1; /* CUSTOM defined */
|
|
#else /* CUSTOM */
|
|
int custtbl_allowed = 0; /* CUSTOM undefined */
|
|
#endif /* CUSTOM */
|
|
|
|
|
|
#include <unistd.h>
|
|
|
|
#include "../have_const.h"
|
|
#include "../value.h"
|
|
#include "../custom.h"
|
|
|
|
|
|
#include "../banned.h" /* include after system header <> includes */
|
|
|
|
|
|
/*
|
|
* NOTE: See the file HOW_TO_ADD for instructions on how to add custom functions.
|
|
*/
|
|
|
|
|
|
#if defined(CUSTOM)
|
|
|
|
|
|
/*
|
|
* add your forward custom function declarations here
|
|
*
|
|
* Declare custom functions as follows:
|
|
*
|
|
* E_FUNC VALUE c_xyz(char*, int, VALUE**);
|
|
*
|
|
* We suggest that you sort the entries below by name.
|
|
*/
|
|
E_FUNC VALUE c_argv(char*, int, VALUE**);
|
|
E_FUNC VALUE c_devnull(char*, int, VALUE**);
|
|
E_FUNC VALUE c_help(char*, int, VALUE**);
|
|
E_FUNC VALUE c_sysinfo(char*, int, VALUE**);
|
|
E_FUNC VALUE c_pzasusb8(char*, int, VALUE**);
|
|
E_FUNC VALUE c_pmodm127(char*, int, VALUE**);
|
|
E_FUNC VALUE c_register(char*, int, VALUE**);
|
|
|
|
|
|
#endif /* CUSTOM */
|
|
|
|
|
|
/*
|
|
* custom interface table
|
|
*
|
|
* The order of the elements in struct custom are:
|
|
*
|
|
* { "xyz", "brief description of the xyz custom function",
|
|
* minimum_args, maximum_args, c_xyz },
|
|
*
|
|
* where:
|
|
*
|
|
* minimum_args an int >= 0
|
|
* maximum_args an int >= minimum_args and <= MAX_CUSTOM_ARGS
|
|
*
|
|
* Use MAX_CUSTOM_ARGS for maximum_args is the maximum number of args
|
|
* is potentially 'unlimited'.
|
|
*
|
|
* If the brief description cannot fit on the same line as the name
|
|
* without wrapping on a 80 col window, the description is probably
|
|
* too long and will not look nice in the show custom output.
|
|
*/
|
|
CONST struct custom cust[] = {
|
|
|
|
#if defined(CUSTOM)
|
|
|
|
|
|
/*
|
|
* add your own custom functions here
|
|
*
|
|
* We suggest that you sort the entries below by name
|
|
* so that show custom will produce a nice sorted list.
|
|
*/
|
|
|
|
{ "argv", "information about its args, returns arg count",
|
|
0, MAX_CUSTOM_ARGS, c_argv },
|
|
|
|
{ "devnull", "does nothing",
|
|
0, MAX_CUSTOM_ARGS, c_devnull },
|
|
|
|
{ "help", "help for custom functions",
|
|
1, 1, c_help },
|
|
|
|
{ "sysinfo", "return a calc #define value",
|
|
0, 1, c_sysinfo },
|
|
|
|
{ "pzasusb8", "print ZVALUE as USB8",
|
|
0, 1, c_pzasusb8 },
|
|
|
|
{ "pmodm127", "calculate q mod 2^(2^127-1)",
|
|
1, 1, c_pmodm127 },
|
|
|
|
{ "register", "get or set customer registers",
|
|
1, 2, c_register },
|
|
|
|
|
|
#endif /* CUSTOM */
|
|
|
|
/*
|
|
* This must be at the end of this table!!!
|
|
*/
|
|
{NULL, NULL,
|
|
0, 0, NULL}
|
|
};
|