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//=================================================================
//
// vaargs.c
//
// HAL variable argument calls test
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos 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 2 or (at your option) any later
// version.
//
// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): jskov
// Contributors: jskov
// Date: 2001-08-03
//####DESCRIPTIONEND####
//==========================================================================
#include <cyg/infra/testcase.h> // test case macros
#include <cyg/infra/diag.h> // diag_printf
#include <cyg/infra/cyg_ass.h> // assertions
#include <cyg/hal/hal_arch.h> // context macros
#include <stdarg.h> // vaargs magic
// -------------------------------------------------------------------------
int
function(int n, ...)
{
va_list args;
int c = 11 * n;
int i = 1;
int res = 1;
CYG_ASSERT(n >= 0 && n < 8, "Invalid count argument");
va_start(args, n);
for (i = 1; i <= n; c++, i++) {
int v = va_arg(args, int);
if (v != c) {
diag_printf("FAIL:<Bad argument: index %d expected %d got %d>\n", i, c, v);
res = 0;
}
}
va_end(args);
return res;
}
int
function_proxy(int n, va_list args)
{
int c = 11 * n;
int i = 1;
int res = 1;
CYG_ASSERT(n >= 0 && n < 8, "Invalid count argument");
for (i = 1; i <= n; c++, i++) {
int v = va_arg(args, int);
if (v != c) {
diag_printf("FAIL:<Bad argument: index %d expected %d got %d>\n", i, c, v);
res = 0;
}
}
return res;
}
int
proxy(int n, ...)
{
int res;
va_list args;
va_start(args, n);
res = function_proxy(n, args);
va_end(args);
return res;
}
void
entry(void)
{
int res;
res = function(0);
res &= function(1, 11);
res &= function(2, 22, 23);
res &= function(3, 33, 34, 35);
res &= function(4, 44, 45, 46, 47);
res &= function(5, 55, 56, 57, 58, 59);
res &= function(6, 66, 67, 68, 69, 70, 71);
res &= function(7, 77, 78, 79, 80, 81, 82, 83);
CYG_TEST_PASS_FAIL(res, "Direct vaargs calls");
res = proxy(0);
res &= proxy(1, 11);
res &= proxy(2, 22, 23);
res &= proxy(3, 33, 34, 35);
res &= proxy(4, 44, 45, 46, 47);
res &= proxy(5, 55, 56, 57, 58, 59);
res &= proxy(6, 66, 67, 68, 69, 70, 71);
res &= proxy(7, 77, 78, 79, 80, 81, 82, 83);
CYG_TEST_PASS_FAIL(res, "Proxy vaargs calls");
CYG_TEST_FINISH("HAL vaargs test");
}
// -------------------------------------------------------------------------
externC void
cyg_start( void )
{
CYG_TEST_INIT();
entry();
}
// -------------------------------------------------------------------------
// EOF vaargs.c
|
