From d78d1e48b49eaa1a29a7496a3f72a8a0bb80b9b1 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 5 May 2021 16:14:01 +0100
Subject: [PATCH] [Minor] Check boundary earlier

---
 src/libserver/css/css_tokeniser.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libserver/css/css_tokeniser.cxx b/src/libserver/css/css_tokeniser.cxx
index bc77fc7e3..3035a6649 100644
--- a/src/libserver/css/css_tokeniser.cxx
+++ b/src/libserver/css/css_tokeniser.cxx
@@ -533,9 +533,9 @@ auto css_tokeniser::next_token(void) -> struct css_parser_token
 		case '\r':
 		case '\v': {
 			/* Consume as much space as we can */
-			do {
+			while (i < input.size() && g_ascii_isspace(c)) {
 				c = input[++i];
-			} while (i < input.size() && g_ascii_isspace(c));
+			}
 
 			auto ret = make_token<css_parser_token::token_type::whitespace_token>(
 					std::string_view(&input[offset], i - offset));
-- 
2.39.5