82 lines
2 KiB
C
82 lines
2 KiB
C
/* $Id$ */
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/*
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* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <pj/except.h>
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#include <pj/rand.h>
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#include <stdio.h>
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#include <stdlib.h>
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/**
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* \page page_pjlib_samples_except_c Example: Exception Handling
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*
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* Below is sample program to demonstrate how to use exception handling.
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*
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* \includelineno pjlib-samples/except.c
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*/
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static pj_exception_id_t NO_MEMORY, OTHER_EXCEPTION;
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static void randomly_throw_exception()
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{
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if (pj_rand() % 2)
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PJ_THROW(OTHER_EXCEPTION);
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}
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static void *my_malloc(size_t size)
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{
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void *ptr = malloc(size);
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if (!ptr)
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PJ_THROW(NO_MEMORY);
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return ptr;
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}
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static int test_exception()
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{
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PJ_USE_EXCEPTION;
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PJ_TRY {
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void *data = my_malloc(200);
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free(data);
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randomly_throw_exception();
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}
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PJ_CATCH_ANY {
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pj_exception_id_t x_id;
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x_id = PJ_GET_EXCEPTION();
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printf("Caught exception %d (%s)\n",
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x_id, pj_exception_id_name(x_id));
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}
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PJ_END
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return 1;
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}
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int main()
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{
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pj_status_t rc;
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// Error handling is omited for clarity.
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rc = pj_init();
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rc = pj_exception_id_alloc("No Memory", &NO_MEMORY);
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rc = pj_exception_id_alloc("Other Exception", &OTHER_EXCEPTION);
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return test_exception();
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}
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