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[Win32] mapped_file_region: Fix a bug in CreateFileMapping() that Size must contain Offset when Offset >= 65536.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189021 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi 2013-08-22 15:14:53 +00:00
parent 37693da119
commit 3f256c2e0b
2 changed files with 2 additions and 7 deletions
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4
lib/Support/Windows/Path.inc
View File

@ -726,8 +726,8 @@ error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
FileMappingHandle = ::CreateFileMapping(FileHandle, FileMappingHandle = ::CreateFileMapping(FileHandle,
0, 0,
flprotect, flprotect,
Size >> 32, (Offset + Size) >> 32,
Size & 0xffffffff, (Offset + Size) & 0xffffffff,
0); 0);
if (FileMappingHandle == NULL) { if (FileMappingHandle == NULL) {
error_code ec = windows_error(GetLastError()); error_code ec = windows_error(GetLastError());

5
unittests/Support/MemoryBufferTest.cpp
View File

@ -138,9 +138,6 @@ void MemoryBufferTest::testGetOpenFileSlice(bool Reopen) {
EXPECT_EQ(BufData[9], '9'); EXPECT_EQ(BufData[9], '9');
} }
#if !defined(_WIN32)
// FIXME: Investigating since r188998.
TEST_F(MemoryBufferTest, getOpenFileNoReopen) { TEST_F(MemoryBufferTest, getOpenFileNoReopen) {
testGetOpenFileSlice(false); testGetOpenFileSlice(false);
} }
@ -149,6 +146,4 @@ TEST_F(MemoryBufferTest, getOpenFileReopened) {
testGetOpenFileSlice(true); testGetOpenFileSlice(true);
} }
#endif // _WIN32
} }