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https://github.com/fastfetch-cli/fastfetch.git
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李通洲
39 lines
896 B
C
39 lines
896 B
C
#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
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#if __has_include(<malloc.h>)
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#include <malloc.h>
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#else
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#include <malloc_np.h> // For DragonFly BSD
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#endif
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#elif FF_HAVE_MALLOC_SIZE
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#include <malloc/malloc.h>
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#endif
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[[gnu::always_inline, gnu::nonnull(1)]]
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static inline void ffWrapFree(const void* pPtr) {
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if (*(void**) pPtr) {
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free(*(void**) pPtr);
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}
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}
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#define FF_AUTO_FREE [[gnu::cleanup(ffWrapFree)]]
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// 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) {
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#if FF_HAVE_MALLOC_USABLE_SIZE
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return malloc_usable_size((void*) ptr);
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#elif FF_HAVE_MALLOC_SIZE
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return malloc_size((void*) ptr);
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#elif FF_HAVE_MSVC_MSIZE
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return _msize((void*) ptr);
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#else
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(void) ptr;
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return 0; // Not supported
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#endif
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}
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