70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
//
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// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
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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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#ifndef RECASTALLOC_H
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#define RECASTALLOC_H
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enum rcAllocHint
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{
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RC_ALLOC_PERM, // Memory persist after a function call.
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RC_ALLOC_TEMP // Memory used temporarily within a function.
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};
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typedef void* (rcAllocFunc)(int size, rcAllocHint hint);
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typedef void (rcFreeFunc)(void* ptr);
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void rcAllocSetCustom(rcAllocFunc *allocFunc, rcFreeFunc *freeFunc);
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void* rcAlloc(int size, rcAllocHint hint);
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void rcFree(void* ptr);
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// Simple dynamic array ints.
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class rcIntArray
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{
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int* m_data;
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int m_size, m_cap;
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inline rcIntArray(const rcIntArray&);
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inline rcIntArray& operator=(const rcIntArray&);
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public:
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inline rcIntArray() : m_data(0), m_size(0), m_cap(0) {}
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inline rcIntArray(int n) : m_data(0), m_size(0), m_cap(0) { resize(n); }
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inline ~rcIntArray() { rcFree(m_data); }
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void resize(int n);
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inline void push(int item) { resize(m_size+1); m_data[m_size-1] = item; }
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inline int pop() { if (m_size > 0) m_size--; return m_data[m_size]; }
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inline const int& operator[](int i) const { return m_data[i]; }
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inline int& operator[](int i) { return m_data[i]; }
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inline int size() const { return m_size; }
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};
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// Simple internal helper class to delete array in scope
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template<class T> class rcScopedDelete
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{
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T* ptr;
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inline T* operator=(T* p);
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public:
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inline rcScopedDelete() : ptr(0) {}
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inline rcScopedDelete(T* p) : ptr(p) {}
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inline ~rcScopedDelete() { rcFree(ptr); }
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inline operator T*() { return ptr; }
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};
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#endif
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