# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1679834262 -7200
# Node ID 67777cb7353d51a862b17b2c4d0f4ab2a73fda39
# Parent  3e30799deec2e6128577a6d3b58cc8f63b0b50c8
mod_http_oauth2: Pedantic optimization

Checking the length of the string seems like 30% more expensive than
comparing it with the empty string (by reference, probably).

diff -r 3e30799deec2 -r 67777cb7353d mod_http_oauth2/mod_http_oauth2.lua
--- a/mod_http_oauth2/mod_http_oauth2.lua	Sat Mar 25 20:18:05 2023 +0100
+++ b/mod_http_oauth2/mod_http_oauth2.lua	Sun Mar 26 14:37:42 2023 +0200
@@ -335,7 +335,7 @@
 local function get_auth_state(request)
 	local form = request.method == "POST"
 	         and request.body
-	         and #request.body > 0
+	         and request.body ~= ""
 	         and request.headers.content_type == "application/x-www-form-urlencoded"
 	         and http.formdecode(request.body);