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fastfetch/src/common/mallocHelper.h
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#pragma once
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#include <stdlib.h>
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#include <assert.h>
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#if FF_HAVE_MALLOC_USABLE_SIZE || FF_HAVE_MSVC_MSIZE
#if __has_include(<malloc.h>)
#include <malloc.h>
#else
#include <malloc_np.h> // For DragonFly BSD
#endif
#elif FF_HAVE_MALLOC_SIZE
#include <malloc/malloc.h>
#endif
[[gnu::always_inline, gnu::nonnull(1)]]
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static inline void ffWrapFree(const void* pPtr) {
if (*(void**) pPtr) {
free(*(void**) pPtr);
}
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}
#define FF_AUTO_FREE [[gnu::cleanup(ffWrapFree)]]
// ptr MUST be a malloc'ed pointer
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[[gnu::nonnull(1), nodiscard]]
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static inline size_t ffMallocUsableSize(const void* ptr) {
#if FF_HAVE_MALLOC_USABLE_SIZE
return malloc_usable_size((void*) ptr);
#elif FF_HAVE_MALLOC_SIZE
return malloc_size((void*) ptr);
#elif FF_HAVE_MSVC_MSIZE
return _msize((void*) ptr);
#else
(void) ptr;
return 0; // Not supported
#endif
}