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-rw-r--r--lldb/source/Host/windows/HostInfoWindows.cpp2
-rw-r--r--lldb/unittests/Host/HostInfoTest.cpp6
2 files changed, 8 insertions, 0 deletions
diff --git a/lldb/source/Host/windows/HostInfoWindows.cpp b/lldb/source/Host/windows/HostInfoWindows.cpp
index 8cd8f2d2fc5..459703ff0ed 100644
--- a/lldb/source/Host/windows/HostInfoWindows.cpp
+++ b/lldb/source/Host/windows/HostInfoWindows.cpp
@@ -95,6 +95,8 @@ bool HostInfoWindows::GetHostname(std::string &s) {
if (!::GetComputerNameW(buffer, &dwSize))
return false;
+ // The conversion requires an empty string.
+ s.clear();
return llvm::convertWideToUTF8(buffer, s);
}
diff --git a/lldb/unittests/Host/HostInfoTest.cpp b/lldb/unittests/Host/HostInfoTest.cpp
index b4ba3194180..fb50e29eae5 100644
--- a/lldb/unittests/Host/HostInfoTest.cpp
+++ b/lldb/unittests/Host/HostInfoTest.cpp
@@ -50,3 +50,9 @@ TEST_F(HostInfoTest, GetAugmentedArchSpec) {
EXPECT_EQ(HostInfo::GetAugmentedArchSpec(LLDB_ARCH_DEFAULT).GetTriple(),
HostInfo::GetArchitecture(HostInfo::eArchKindDefault).GetTriple());
}
+
+TEST_F(HostInfoTest, GetHostname) {
+ // Check non-empty string input works correctly.
+ std::string s("abc");
+ EXPECT_TRUE(HostInfo::GetHostname(s));
+}
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