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/* $Id: except.c 3553 2011-05-05 06:14:19Z nanang $ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pj/except.h>
#include <pj/rand.h>
#include <stdio.h>
#include <stdlib.h>
/**
* \page page_pjlib_samples_except_c Example: Exception Handling
*
* Below is sample program to demonstrate how to use exception handling.
*
* \includelineno pjlib-samples/except.c
*/
static pj_exception_id_t NO_MEMORY, OTHER_EXCEPTION;
static void randomly_throw_exception()
{
if (pj_rand() % 2)
PJ_THROW(OTHER_EXCEPTION);
}
static void *my_malloc(size_t size)
{
void *ptr = malloc(size);
if (!ptr)
PJ_THROW(NO_MEMORY);
return ptr;
}
static int test_exception()
{
PJ_USE_EXCEPTION;
PJ_TRY {
void *data = my_malloc(200);
free(data);
randomly_throw_exception();
}
PJ_CATCH_ANY {
pj_exception_id_t x_id;
x_id = PJ_GET_EXCEPTION();
printf("Caught exception %d (%s)\n",
x_id, pj_exception_id_name(x_id));
}
PJ_END
return 1;
}
int main()
{
pj_status_t rc;
// Error handling is omited for clarity.
rc = pj_init();
rc = pj_exception_id_alloc("No Memory", &NO_MEMORY);
rc = pj_exception_id_alloc("Other Exception", &OTHER_EXCEPTION);
return test_exception();
}
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