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Context: Added IMGUI_DISABLE_DEFAULT_ALLOCATORS to disable linking with malloc/free. (#1565, #586, #992, #1007, #1558)

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omar 2018-01-21 18:54:22 +01:00
parent 5a301c29dc
commit e45d7a7060
1 changed files with 5 additions and 0 deletions
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imgui.cpp
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@ -713,8 +713,13 @@ ImGuiContext* GImGui = &GImDefaultContext;
// Memory Allocator Functions. Use SetMemoryAllocators() to change them. // Memory Allocator Functions. Use SetMemoryAllocators() to change them.
// If you use DLL hotreloading you might need to call SetMemoryAllocators() after reloading code from this file. // If you use DLL hotreloading you might need to call SetMemoryAllocators() after reloading code from this file.
// Otherwise, you probably don't want to modify them mid-program, and if you use global/static e.g. ImVector<> instances you may need to keep them accessible during program destruction. // Otherwise, you probably don't want to modify them mid-program, and if you use global/static e.g. ImVector<> instances you may need to keep them accessible during program destruction.
#ifndef IMGUI_DISABLE_DEFAULT_ALLOCATORS
static void* MallocWrapper(size_t size, void* user_data) { (void)user_data; return malloc(size); } static void* MallocWrapper(size_t size, void* user_data) { (void)user_data; return malloc(size); }
static void FreeWrapper(void* ptr, void* user_data) { (void)user_data; free(ptr); } static void FreeWrapper(void* ptr, void* user_data) { (void)user_data; free(ptr); }
#else
static void* MallocWrapper(size_t size, void* user_data) { (void)user_data; (void)size; IM_ASSERT(0); return NULL; }
static void FreeWrapper(void* ptr, void* user_data) { (void)user_data; (void)ptr; IM_ASSERT(0); }
#endif
static void* (*GImAllocatorAllocFunc)(size_t size, void* user_data) = MallocWrapper; static void* (*GImAllocatorAllocFunc)(size_t size, void* user_data) = MallocWrapper;
static void (*GImAllocatorFreeFunc)(void* ptr, void* user_data) = FreeWrapper; static void (*GImAllocatorFreeFunc)(void* ptr, void* user_data) = FreeWrapper;