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Match resetprop files with AOSP

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topjohnwu
2017-07-07 22:29:55 +08:00
parent f3b68e6543
commit 9679492c28
4 changed files with 39 additions and 19 deletions
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20
jni/resetprop/bionic_macros.h
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@@ -17,6 +17,8 @@
#ifndef _BIONIC_MACROS_H_
#define _BIONIC_MACROS_H_
#include <stdint.h>
// Frameworks OpenGL code currently leaks this header and allows
// collisions with other declarations, e.g., from libnativehelper.
// TODO: Remove once cleaned up. b/18334516
@@ -46,4 +48,22 @@
? (1UL << (64 - __builtin_clzl(static_cast<unsigned long>(value)))) \
: (1UL << (32 - __builtin_clz(static_cast<unsigned int>(value)))))
static constexpr uintptr_t align_down(uintptr_t p, size_t align) {
return p & ~(align - 1);
}
static constexpr uintptr_t align_up(uintptr_t p, size_t align) {
return (p + align - 1) & ~(align - 1);
}
template <typename T>
static inline T* align_down(T* p, size_t align) {
return reinterpret_cast<T*>(align_down(reinterpret_cast<uintptr_t>(p), align));
}
template <typename T>
static inline T* align_up(T* p, size_t align) {
return reinterpret_cast<T*>(align_up(reinterpret_cast<uintptr_t>(p), align));
}
#endif // _BIONIC_MACROS_H_