From 46d160e91acd8f2bf2efa52de18ddbbdb97a7b22 Mon Sep 17 00:00:00 2001
From: bad code <>
Date: Sun, 22 Sep 2024 16:43:36 +0200
Subject: [PATCH] Reserve known vector size

Allocate the required memory at once.
---
 src/btop_config.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/btop_config.cpp b/src/btop_config.cpp
index 1647b21..55ef2ca 100644
--- a/src/btop_config.cpp
+++ b/src/btop_config.cpp
@@ -694,7 +694,8 @@ namespace Config {
 		std::ifstream cread(conf_file);
 		if (cread.good()) {
 			vector<string> valid_names;
-			for (auto &n : descriptions)
+			valid_names.reserve(descriptions.size());
+			for (const auto &n : descriptions)
 				valid_names.push_back(n[0]);
 			if (string v_string; cread.peek() != '#' or (getline(cread, v_string, '\n') and not s_contains(v_string, Global::Version)))
 				write_new = true;