1 files changed, 24 insertions, 0 deletions
diff --git a/xpcom/rust/gkrust_utils/src/lib.rs b/xpcom/rust/gkrust_utils/src/lib.rs
new file mode 100644
index 0000000000..c519d7e002
--- /dev/null
+++ b/xpcom/rust/gkrust_utils/src/lib.rs
@@ -0,0 +1,24 @@
+/* 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/. */
+
+extern crate nsstring;
+extern crate semver;
+use nsstring::nsACString;
+
+#[no_mangle]
+pub unsafe extern "C" fn GkRustUtils_ParseSemVer(
+    ver: &nsACString,
+    out_major: *mut u64,
+    out_minor: *mut u64,
+    out_patch: *mut u64,
+) -> bool {
+    let version = match semver::Version::parse(&ver.to_utf8()) {
+        Ok(ver) => ver,
+        Err(_) => return false,
+    };
+    *out_major = version.major;
+    *out_minor = version.minor;
+    *out_patch = version.patch;
+    true
+}