61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
#pragma once
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#include <basis/seadRawPrint.h>
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#include <basis/seadTypes.h>
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namespace sead
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{
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class PtrUtil
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{
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public:
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// XXX: these probably do not match Nintendo's implementation
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static void* roundUpPow2(const void* ptr, u32 n)
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{
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const uintptr_t result = uintptr_t(ptr) + (n - uintptr_t(ptr) % n) % n;
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return reinterpret_cast<void*>(result);
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}
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static void* roundUpN(const void* ptr, u32 n)
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{
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const uintptr_t result = uintptr_t(ptr) + (n - uintptr_t(ptr) % n) % n;
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return reinterpret_cast<void*>(result);
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}
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static void* roundDownPow2(const void* ptr, u32 n)
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{
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const uintptr_t result = uintptr_t(ptr) - uintptr_t(ptr) % n;
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return reinterpret_cast<void*>(result);
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}
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static void* roundDownN(const void* ptr, u32 n)
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{
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const uintptr_t result = uintptr_t(ptr) - uintptr_t(ptr) % n;
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return reinterpret_cast<void*>(result);
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}
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static void* addOffset(const void* ptr, intptr_t offset)
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{
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return reinterpret_cast<void*>(uintptr_t(ptr) + offset);
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}
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static intptr_t diff(const void* ptr1, const void* ptr2)
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{
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return intptr_t(ptr1) - intptr_t(ptr2);
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}
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static bool isInclude(const void* ptr, const void* begin, const void* end)
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{
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return uintptr_t(begin) <= uintptr_t(ptr) && uintptr_t(ptr) <= uintptr_t(end);
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}
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static bool isAligned(const void* ptr, s32 alignment)
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{
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SEAD_ASSERT(alignment != 0);
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return uintptr_t(ptr) % alignment == 0;
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}
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static bool isAlignedPow2(const void* ptr, u32 n) { return (uintptr_t(ptr) & (n - 1)) == 0; }
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static bool isAlignedN(const void* ptr, s32 n) { return uintptr_t(ptr) % n == 0; }
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};
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} // namespace sead
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