From: Tobias Ulmer <tu@emlix.com>
Date: Fri, 23 May 2014 15:30:44 +0000 (+0200)
Subject: cache: Sprinkle assert()
X-Git-Tag: e2factory-2.3.15rc1~203
X-Git-Url: https://git.e2factory.org/?a=commitdiff_plain;h=1441023dd2c2da621f6b365503c48413196a58cb;p=e2factory.git

cache: Sprinkle assert()

Signed-off-by: Tobias Ulmer <tu@emlix.com>
---

diff --git a/generic/cache.lua b/generic/cache.lua
index 06accb2..20b0506 100644
--- a/generic/cache.lua
+++ b/generic/cache.lua
@@ -216,6 +216,10 @@ end
 -- @return the remote url, false on error
 -- @return an error object on failure
 function cache.remote_url(c, server, location)
+    assert(type(c) == "table", "cache invalid")
+    assert(type(server) == "string" and server ~= "", "server invalid")
+    assert(type(location) == "string" and location ~= "", "location invalid")
+
     local ce, e = cache.ce_by_server(c, server)
     if not ce then
         return false, e