1 files changed, 41 insertions, 0 deletions
diff --git a/intl/components/src/ICU4CLibrary.cpp b/intl/components/src/ICU4CLibrary.cpp
new file mode 100644
index 0000000000..d13bc40ad4
--- /dev/null
+++ b/intl/components/src/ICU4CLibrary.cpp
@@ -0,0 +1,41 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/intl/ICU4CLibrary.h"
+
+#include "unicode/putil.h"
+#include "unicode/uclean.h"
+#include "unicode/utypes.h"
+#include "unicode/uversion.h"
+
+namespace mozilla::intl {
+
+ICUResult ICU4CLibrary::Initialize() {
+#if !MOZ_SYSTEM_ICU
+  // Explicitly set the data directory to its default value, but only when we're
+  // sure that we use our in-tree ICU copy. See bug 1527879 and ICU bug
+  // report <https://unicode-org.atlassian.net/browse/ICU-20491>.
+  u_setDataDirectory("");
+#endif
+
+  UErrorCode status = U_ZERO_ERROR;
+  u_init(&status);
+  return ToICUResult(status);
+}
+
+void ICU4CLibrary::Cleanup() { u_cleanup(); }
+
+ICUResult ICU4CLibrary::SetMemoryFunctions(MemoryFunctions aMemoryFunctions) {
+  UErrorCode status = U_ZERO_ERROR;
+  u_setMemoryFunctions(/* context = */ nullptr, aMemoryFunctions.mAllocFn,
+                       aMemoryFunctions.mReallocFn, aMemoryFunctions.mFreeFn,
+                       &status);
+  return ToICUResult(status);
+}
+
+Span<const char> ICU4CLibrary::GetVersion() {
+  return MakeStringSpan(U_ICU_VERSION);
+}
+
+}  // namespace mozilla::intl