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/*
* Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: backtrace_test.c,v 1.4 2009/09/02 23:48:01 tbox Exp $ */
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <isc/backtrace.h>
#include <isc/result.h>
const char *expected_symbols[] = {
"func3",
"func2",
"func1",
"main"
};
static int
func3() {
void *tracebuf[16];
int i, nframes;
int error = 0;
const char *fname;
isc_result_t result;
unsigned long offset;
result = isc_backtrace_gettrace(tracebuf, 16, &nframes);
if (result != ISC_R_SUCCESS) {
printf("isc_backtrace_gettrace failed: %s\n",
isc_result_totext(result));
return (1);
}
if (nframes < 4)
error++;
for (i = 0; i < 4 && i < nframes; i++) {
fname = NULL;
result = isc_backtrace_getsymbol(tracebuf[i], &fname, &offset);
if (result != ISC_R_SUCCESS) {
error++;
continue;
}
if (strcmp(fname, expected_symbols[i]) != 0)
error++;
}
if (error) {
printf("Unexpected result:\n");
printf(" # of frames: %d (expected: at least 4)\n", nframes);
printf(" symbols:\n");
for (i = 0; i < nframes; i++) {
fname = NULL;
result = isc_backtrace_getsymbol(tracebuf[i], &fname,
&offset);
if (result == ISC_R_SUCCESS)
printf(" [%d] %s\n", i, fname);
else {
printf(" [%d] getsymbol failed: %s\n", i,
isc_result_totext(result));
}
}
}
return (error);
}
static int
func2() {
return (func3());
}
static int
func1() {
return (func2());
}
int
main() {
return (func1());
}
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