impl vercmp fuzzer

scripts/vercmp.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+
+import sys
+import portage
+
+for line in sys.stdin.buffer:
+    a, b = line.decode().split(" ")
+
+    try:        
+        sys.stdout.buffer.write(f"{portage.vercmp(a, b)}\n".encode())
+    except:
+        sys.stdout.buffer.write(b"err\n")
+    finally:
+        sys.stdout.buffer.flush()