viktorljung
137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
/*
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* Copyright (c) 2006-2009 Erin Catto http://www.box2d.org
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* Copyright (c) 2013 Google, Inc.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#include <Box2D/Common/b2Settings.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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b2Version b2_version = {2, 3, 0};
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#define LIQUIDFUN_VERSION_MAJOR 1
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#define LIQUIDFUN_VERSION_MINOR 1
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#define LIQUIDFUN_VERSION_REVISION 0
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#define LIQUIDFUN_STRING_EXPAND(X) #X
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#define LIQUIDFUN_STRING(X) LIQUIDFUN_STRING_EXPAND(X)
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static void* b2AllocDefault(int32 size, void* callbackData);
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static void b2FreeDefault(void* mem, void* callbackData);
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const b2Version b2_liquidFunVersion = {
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LIQUIDFUN_VERSION_MAJOR, LIQUIDFUN_VERSION_MINOR,
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LIQUIDFUN_VERSION_REVISION,
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};
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const char *b2_liquidFunVersionString =
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"LiquidFun "
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LIQUIDFUN_STRING(LIQUIDFUN_VERSION_MAJOR) "."
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LIQUIDFUN_STRING(LIQUIDFUN_VERSION_MINOR) "."
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LIQUIDFUN_STRING(LIQUIDFUN_VERSION_REVISION);
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static int32 b2_numAllocs = 0;
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// Initialize default allocator.
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static b2AllocFunction b2_allocCallback = b2AllocDefault;
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static b2FreeFunction b2_freeCallback = b2FreeDefault;
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static void *b2_callbackData = NULL;
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// Default implementation of b2AllocFunction.
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static void* b2AllocDefault(int32 size, void* callbackData)
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{
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B2_NOT_USED(callbackData);
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return malloc(size);
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}
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// Default implementation of b2FreeFunction.
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static void b2FreeDefault(void* mem, void* callbackData)
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{
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B2_NOT_USED(callbackData);
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free(mem);
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}
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/// Set alloc and free callbacks to override the default behavior of using
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/// malloc() and free() for dynamic memory allocation.
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/// Set allocCallback and freeCallback to NULL to restore the default
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/// allocator (malloc / free).
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void b2SetAllocFreeCallbacks(b2AllocFunction allocCallback,
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b2FreeFunction freeCallback, void* callbackData)
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{
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b2Assert((allocCallback && freeCallback) ||
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(!allocCallback && !freeCallback));
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b2Assert(0 == b2GetNumAllocs());
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if (allocCallback && freeCallback)
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{
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b2_allocCallback = allocCallback;
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b2_freeCallback = freeCallback;
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b2_callbackData = callbackData;
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}
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else
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{
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b2_allocCallback = b2AllocDefault;
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b2_freeCallback = b2FreeDefault;
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b2_callbackData = NULL;
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}
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}
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// Memory allocators. Modify these to use your own allocator.
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void* b2Alloc(int32 size)
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{
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b2_numAllocs++;
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return b2_allocCallback(size, b2_callbackData);
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}
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void b2Free(void* mem)
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{
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b2_numAllocs--;
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b2_freeCallback(mem, b2_callbackData);
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}
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void b2SetNumAllocs(const int32 numAllocs)
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{
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b2_numAllocs = numAllocs;
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}
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int32 b2GetNumAllocs()
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{
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return b2_numAllocs;
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}
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// You can modify this to use your logging facility.
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void b2Log(const char* string, ...)
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{
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#if DEBUG
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va_list args;
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va_start(args, string);
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vprintf(string, args);
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va_end(args);
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#else
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B2_NOT_USED(string);
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#endif
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}
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class Validator
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{
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public:
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Validator()
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{
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b2Assert(sizeof(uint64)==8);
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b2Assert(sizeof(int64)==8);
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}
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} validate;
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