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Remove unused feature. NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224135 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-12-12 17:35:34 +00:00
parent 31e081ed96
commit 7291e0706e
3 changed files with 4 additions and 11 deletions
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2
include/llvm/Support/FileOutputBuffer.h
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@ -66,7 +66,7 @@ public:
/// is called, the file is deleted in the destructor. The optional parameter /// is called, the file is deleted in the destructor. The optional parameter
/// is used if it turns out you want the file size to be smaller than /// is used if it turns out you want the file size to be smaller than
/// initially requested. /// initially requested.
std::error_code commit(int64_t NewSmallerSize = -1); std::error_code commit();
/// If this object was previously committed, the destructor just deletes /// If this object was previously committed, the destructor just deletes
/// this object. If this object was not committed, the destructor /// this object. If this object was not committed, the destructor

8
lib/Support/FileOutputBuffer.cpp
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@ -91,16 +91,10 @@ FileOutputBuffer::create(StringRef FilePath, size_t Size,
return std::error_code(); return std::error_code();
} }
std::error_code FileOutputBuffer::commit(int64_t NewSmallerSize) { std::error_code FileOutputBuffer::commit() {
// Unmap buffer, letting OS flush dirty pages to file on disk. // Unmap buffer, letting OS flush dirty pages to file on disk.
Region.reset(); Region.reset();
// If requested, resize file as part of commit.
if ( NewSmallerSize != -1 ) {
std::error_code EC = sys::fs::resize_file(Twine(TempPath), NewSmallerSize);
if (EC)
return EC;
}
// Rename file to final name. // Rename file to final name.
return sys::fs::rename(Twine(TempPath), Twine(FinalPath)); return sys::fs::rename(Twine(TempPath), Twine(FinalPath));

5
unittests/Support/FileOutputBufferTest.cpp
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@ -80,14 +80,13 @@ TEST(FileOutputBuffer, Test) {
memcpy(Buffer->getBufferStart(), "AABBCCDDEEFFGGHHIIJJ", 20); memcpy(Buffer->getBufferStart(), "AABBCCDDEEFFGGHHIIJJ", 20);
// Write to end of buffer to verify it is writable. // Write to end of buffer to verify it is writable.
memcpy(Buffer->getBufferEnd() - 20, "AABBCCDDEEFFGGHHIIJJ", 20); memcpy(Buffer->getBufferEnd() - 20, "AABBCCDDEEFFGGHHIIJJ", 20);
// Commit buffer, but size down to smaller size ASSERT_NO_ERROR(Buffer->commit());
ASSERT_NO_ERROR(Buffer->commit(5000));
} }
// Verify file is correct size. // Verify file is correct size.
uint64_t File3Size; uint64_t File3Size;
ASSERT_NO_ERROR(fs::file_size(Twine(File3), File3Size)); ASSERT_NO_ERROR(fs::file_size(Twine(File3), File3Size));
ASSERT_EQ(File3Size, 5000ULL); ASSERT_EQ(File3Size, 8192000ULL);
ASSERT_NO_ERROR(fs::remove(File3.str())); ASSERT_NO_ERROR(fs::remove(File3.str()));
// TEST 4: Verify file can be made executable. // TEST 4: Verify file can be made executable.