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Expose that the unique file ID has a device and a file component. 

The use of sd_dev and st_ino has reached libclang, so expose the two components
in UniqueID so that we can use it in clang.

llvm-svn: 187616
This commit is contained in:
Rafael Espindola 2013-08-01 21:36:02 +00:00
parent a3d4245a72
commit 4d305dca52
1 changed files with 10 additions and 4 deletions
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14
llvm/include/llvm/Support/FileSystem.h
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@ -126,16 +126,22 @@ inline perms operator~(perms x) {
}
class UniqueID {
uint64_t A;
uint64_t B;
uint64_t Device;
uint64_t File;
public:
UniqueID() {}
UniqueID(uint64_t A, uint64_t B) : A(A), B(B) {}
UniqueID(uint64_t Device, uint64_t File) : Device(Device), File(File) {}
bool operator==(const UniqueID &Other) const {
return A == Other.A && B == Other.B;
return Device == Other.Device && File == Other.File;
}
bool operator!=(const UniqueID &Other) const { return !(*this == Other); }
bool operator<(const UniqueID &Other) const {
return Device < Other.Device ||
(Device == Other.Device && File < Other.File);
}
uint64_t getDevice() const { return Device; }
uint64_t getFile() const { return File; }
};
/// file_status - Represents the result of a call to stat and friends. It has