From b3ec683892479675c378577694ce21fca9561d5f Mon Sep 17 00:00:00 2001
From: HanaKami <94033416+hana-kami@users.noreply.github.com>
Date: Tue, 16 Sep 2025 10:07:00 +0800
Subject: [PATCH] Fixes potential segmentation fault in edge cases.

Check for null pointer before accessing argv[current] in
OptionParser::parse() to handle invalid argument scenarios
that can occur with over-processed command line arguments.
---
 include/cxxopts.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/cxxopts.hpp b/include/cxxopts.hpp
index b969dc2..a5c67f1 100644
--- a/include/cxxopts.hpp
+++ b/include/cxxopts.hpp
@@ -2519,7 +2519,7 @@ OptionParser::parse(int argc, const char* const* argv)
 
   std::vector<std::string> unmatched;
 
-  while (current != argc)
+  while (current < argc)
   {
     if (strcmp(argv[current], "--") == 0)
     {