59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
|
|
* Copyright 2017 Vincent Sanders <vince@netsurf-browser.org>
|
|
*
|
|
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
|
*
|
|
* NetSurf 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; version 2 of the License.
|
|
*
|
|
* NetSurf 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
*
|
|
* heap fault injection generation.
|
|
*
|
|
* This library inject allocation faults into NetSurf tests
|
|
*/
|
|
|
|
#define _GNU_SOURCE
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <limits.h>
|
|
#include <dlfcn.h>
|
|
|
|
#include "test/malloc_fig.h"
|
|
|
|
static unsigned int count = UINT_MAX;
|
|
|
|
void malloc_limit(unsigned int newcount)
|
|
{
|
|
count = newcount;
|
|
//fprintf(stderr, "malloc_limit %d\n", count);
|
|
}
|
|
|
|
void* malloc(size_t size)
|
|
{
|
|
static void* (*real_malloc)(size_t) = NULL;
|
|
void *p = NULL;
|
|
|
|
if (real_malloc == NULL) {
|
|
real_malloc = dlsym(RTLD_NEXT, "malloc");
|
|
}
|
|
|
|
if (count > 0) {
|
|
p = real_malloc(size);
|
|
count--;
|
|
}
|
|
//fprintf(stderr, "malloc(%d) = %p remian:%d\n", size, p, count);
|
|
return p;
|
|
}
|