1 files changed, 7 insertions, 0 deletions
diff --git a/util.lua b/util.lua
new file mode 100644
index 0000000..109ac67
--- /dev/null
+++ b/util.lua
@@ -0,0 +1,7 @@
+local function perr(err,what)
+	if err then error(what..": "..err) end
+end
+
+return {
+	perr=perr,
+}