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/* $Header: /pjproject-0.3/pjlib/src/pjlib-samples/except.c 2 10/14/05 12:26a Bennylp $ */
/*
* $Log: /pjproject-0.3/pjlib/src/pjlib-samples/except.c $
*
* 2 10/14/05 12:26a Bennylp
* Finished error code framework, some fixes in ioqueue, etc. Pretty
* major.
*
* 1 10/10/05 3:16p Bennylp
* Created.
*
*/
#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( NO_MEMORY ) {
puts("Can't allocate memory");
return 0;
}
PJ_DEFAULT {
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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