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yojimbo_allocator.cpp
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yojimbo_allocator.cpp
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/*
Yojimbo Client/Server Network Library.
Copyright © 2016, The Network Protocol Company, Inc.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "yojimbo_allocator.h"
#include <assert.h>
#include <stdlib.h>
namespace yojimbo
{
DefaultAllocator::DefaultAllocator()
{
// ...
}
DefaultAllocator::~DefaultAllocator()
{
#if YOJIMBO_DEBUG_MEMORY_LEAKS
if ( m_alloc_map.size() )
{
printf( "you leaked memory!\n" );
typedef std::map<void*,uint32_t>::iterator itor_type;
for ( itor_type i = m_alloc_map.begin(); i != m_alloc_map.end(); ++i )
{
void *p = i->first;
printf( "leaked block %p (%d bytes)\n", p, i->second );
}
exit(1);
}
#endif // #if YOJIMBO_DEBUG_MEMORY_LEAKS
}
void * DefaultAllocator::Allocate( uint32_t size )
{
void * p = malloc( size );
if ( !p )
return NULL;
#if YOJIMBO_DEBUG_MEMORY_LEAKS
m_alloc_map[p] = size;
#endif // #if YOJIMBO_DEBUG_MEMORY_LEAKS
return p;
}
void DefaultAllocator::Free( void * p )
{
if ( !p )
return;
#if YOJIMBO_DEBUG_MEMORY_LEAKS
assert( m_alloc_map.find( p ) != m_alloc_map.end() );
m_alloc_map.erase( p );
#endif // #if YOJIMBO_DEBUG_MEMORY_LEAKS
free( p );
}
int DefaultAllocator::GetError() const
{
return ALLOCATOR_ERROR_NONE;
}
void DefaultAllocator::ClearError()
{
// clear error state once it exists
}
}