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Support/FileSystem: Add remove implementation.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120817 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer 2010-12-03 17:53:43 +00:00
parent 998b4709cb
commit 106aa731bf
3 changed files with 35 additions and 1 deletions
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14
lib/Support/Unix/PathV2.inc
View File

@ -186,6 +186,20 @@ error_code create_symlink(const Twine &to, const Twine &from) {
return make_error_code(errc::success);
}
error_code remove(const Twine &path, bool &existed) {
SmallString<128> path_storage;
StringRef p = path.toNullTerminatedStringRef(path_storage);
if (::remove(p.begin()) == -1) {
if (errno != ENOENT)
return error_code(errno, system_category());
existed = false;
} else
existed = true;
return make_error_code(errc::success);
}
error_code exists(const Twine &path, bool &result) {
SmallString<128> path_storage;
StringRef p = path.toNullTerminatedStringRef(path_storage);

19
lib/Support/Windows/PathV2.inc
View File

@ -252,6 +252,25 @@ error_code create_symlink(const Twine &to, const Twine &from) {
return make_error_code(errc::success);
}
error_code remove(const Twine &path, bool &existed) {
SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16;
if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage),
path_utf16))
return ec;
if (!::DeleteFileW(path_utf16.begin())) {
error_code ec = make_error_code(windows_error(::GetLastError()));
if (ec != make_error_code(windows_error::file_not_found))
return ec;
existed = false;
} else
existed = true;
return make_error_code(errc::success);
}
error_code exists(const Twine &path, bool &result) {
SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16;

3
unittests/Support/Path.cpp
View File

@ -128,7 +128,8 @@ TEST(Support, Path) {
EXPECT_TRUE(TempFileExists);
::close(FileDescriptor);
::remove(TempPath.c_str());
ASSERT_FALSE(fs::remove(Twine(TempPath), TempFileExists));
EXPECT_TRUE(TempFileExists);
ASSERT_FALSE(fs::exists(Twine(TempPath), TempFileExists));
EXPECT_FALSE(TempFileExists);