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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/**
* Copyright (C) 2001 NaN Technologies B.V.
* Simple test of memory.
*/
/* To compile run:
* gcc -DWITH_GUARDEDALLOC -I../../ -I../../../atomic/ memtest.c ../../intern/mallocn.c -o memtest
*/
/* Number of chunks to test with */
#define NUM_BLOCKS 10
#include "MEM_guardedalloc.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static void mem_error_cb(const char *errorStr)
{
fprintf(stderr, "%s", errorStr);
fflush(stderr);
}
int main(int argc, char *argv[])
{
int verbose = 0;
int error_status = 0;
int retval = 0;
int *ip;
void *p[NUM_BLOCKS];
int i = 0;
/* ----------------------------------------------------------------- */
switch (argc) {
case 2:
verbose = atoi(argv[1]);
if (verbose < 0)
verbose = 0;
break;
case 1:
default:
verbose = 0;
}
if (verbose) {
fprintf(stderr, "\n*** Simple memory test\n|\n");
}
/* ----------------------------------------------------------------- */
/* Round one, do a normal allocation, and free the blocks again. */
/* ----------------------------------------------------------------- */
/* flush mem lib output to stderr */
MEM_set_error_callback(mem_error_cb);
for (i = 0; i < NUM_BLOCKS; i++) {
int blocksize = 10000;
char tagstring[1000];
if (verbose > 1)
printf("|--* Allocating block %d\n", i);
sprintf(tagstring, "Memblock no. %d : ", i);
p[i] = MEM_callocN(blocksize, strdup(tagstring));
}
/* report on that */
if (verbose > 1)
MEM_printmemlist();
/* memory is there: test it */
error_status = MEM_consistency_check();
if (verbose) {
if (error_status) {
fprintf(stderr, "|--* Memory test FAILED\n|\n");
}
else {
fprintf(stderr, "|--* Memory tested as good (as it should be)\n|\n");
}
}
for (i = 0; i < NUM_BLOCKS; i++) {
MEM_freeN(p[i]);
}
/* ----------------------------------------------------------------- */
/* Round two, do a normal allocation, and corrupt some blocks. */
/* ----------------------------------------------------------------- */
/* Switch off, because it will complain about some things. */
MEM_set_error_callback(NULL);
for (i = 0; i < NUM_BLOCKS; i++) {
int blocksize = 10000;
char tagstring[1000];
if (verbose > 1)
printf("|--* Allocating block %d\n", i);
sprintf(tagstring, "Memblock no. %d : ", i);
p[i] = MEM_callocN(blocksize, strdup(tagstring));
}
/* Now corrupt a few blocks. */
ip = (int *)p[5] - 50;
for (i = 0; i < 1000; i++, ip++)
*ip = i + 1;
ip = (int *)p[6];
*(ip + 10005) = 0;
retval = MEM_consistency_check();
/* the test should have failed */
error_status |= !retval;
if (verbose) {
if (retval) {
fprintf(stderr, "|--* Memory test failed (as it should be)\n");
}
else {
fprintf(stderr, "|--* Memory test FAILED to find corrupted blocks \n");
}
}
for (i = 0; i < NUM_BLOCKS; i++) {
MEM_freeN(p[i]);
}
if (verbose && error_status) {
fprintf(stderr, "|--* Memory was corrupted\n");
}
/* ----------------------------------------------------------------- */
if (verbose) {
if (error_status) {
fprintf(stderr, "|\n|--* Errors were detected\n");
}
else {
fprintf(stderr, "|\n|--* Test exited successfully\n");
}
fprintf(stderr, "|\n*** Finished test\n\n");
}
return error_status;
}
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