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/*************************************************************************
* Copyright (C) 2010-2014 Tavian Barnes <tavianator@tavianator.com> *
* *
* This file is part of The Dimension Library. *
* *
* The Dimension Library is free software; you can redistribute it and/ *
* or modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 3 of the *
* License, or (at your option) any later version. *
* *
* The Dimension Library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
/**
* @file
* Dynamic memory.
*/
#include "internal.h"
#include <stdlib.h>
#include <string.h>
#include <stdatomic.h>
#if DMNSN_DEBUG
static atomic_size_t dmnsn_allocs = ATOMIC_VAR_INIT(0);
#endif
void *
dmnsn_malloc(size_t size)
{
void *ptr = malloc(size);
if (!ptr) {
dmnsn_error("Memory allocation failed.");
}
#if DMNSN_DEBUG
atomic_fetch_add(&dmnsn_allocs, 1);
#endif
return ptr;
}
void *
dmnsn_realloc(void *ptr, size_t size)
{
#if DMNSN_DEBUG
if (!ptr) {
atomic_fetch_add(&dmnsn_allocs, 1);
}
#endif
ptr = realloc(ptr, size);
if (!ptr) {
dmnsn_error("Memory allocation failed.");
}
return ptr;
}
char *
dmnsn_strdup(const char *s)
{
char *copy = dmnsn_malloc(strlen(s) + 1);
strcpy(copy, s);
return copy;
}
void
dmnsn_free(void *ptr)
{
#if DMNSN_DEBUG
if (ptr) {
atomic_fetch_sub(&dmnsn_allocs, 1);
}
#endif
free(ptr);
}
#if DMNSN_DEBUG
DMNSN_LATE_DESTRUCTOR static void
dmnsn_leak_check(void)
{
if (atomic_load_explicit(&dmnsn_allocs, memory_order_relaxed) > 0) {
dmnsn_warning("Leaking memory.");
}
}
#endif
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