Merging upstream version 1.70.0+dfsg2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/vendor/const-oid/src/checked.rs b/vendor/const-oid/src/checked.rs
new file mode 100644
index 000000000..7ff16a2a7
--- /dev/null
+++ b/vendor/const-oid/src/checked.rs
@@ -0,0 +1,11 @@
+//! Checked arithmetic helpers.
+
+/// `const fn`-friendly checked addition helper.
+macro_rules! checked_add {
+    ($a:expr, $b:expr) => {
+        match $a.checked_add($b) {
+            Some(n) => n,
+            None => return Err(Error::Length),
+        }
+    };
+}