From 17eed9abe9743699b561bd5cf13a0eecbe2e27b8 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Fri, 6 Mar 2026 04:31:54 +0800
Subject: format/commitgraph/bloom: Add commit-graph bloom filters

---
 internal/intconv/intconv.go | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'internal')

diff --git a/internal/intconv/intconv.go b/internal/intconv/intconv.go
index c4b429e3..8d3ac9c6 100644
--- a/internal/intconv/intconv.go
+++ b/internal/intconv/intconv.go
@@ -68,3 +68,12 @@ func Int64ToInt32(v int64) (int32, error) {
 
 	return int32(v), nil
 }
+
+// SignExtendByteToUint32 sign-extends b as a signed 8-bit integer into uint32.
+func SignExtendByteToUint32(b byte) uint32 {
+	if b&0x80 == 0 {
+		return uint32(b)
+	}
+
+	return 0xFFFFFF00 | uint32(b)
+}
-- 
cgit v1.3.1-10-gc9f91