From 9992f69b596e7bad2cb6a72649ce05575003cb39 Mon Sep 17 00:00:00 2001
From: Sebastian Holtermann <sebholt@xwmw.org>
Date: Sun, 14 Apr 2019 17:38:52 +0200
Subject: [PATCH] SystemTools: Optimize range loop in FindName method
---
SystemTools.cxx | 26 +++++++-------------------
1 file changed, 7 insertions(+), 19 deletions(-)
diff --git a/SystemTools.cxx b/SystemTools.cxx
index 957d26f..6aac690 100644
--- a/SystemTools.cxx
+++ b/SystemTools.cxx
@@ -2812,27 +2812,15 @@ std::string SystemToolsStatic::FindName(
SystemTools::GetPath(path);
}
// now add the additional paths
- {
- for (std::vector<std::string>::const_iterator i = userPaths.begin();
- i != userPaths.end(); ++i) {
- path.push_back(*i);
- }
- }
- // Add a trailing slash to all paths to aid the search process.
- {
- for (std::vector<std::string>::iterator i = path.begin(); i != path.end();
- ++i) {
- std::string& p = *i;
- if (p.empty() || p.back() != '/') {
- p += "/";
- }
- }
- }
+ path.reserve(path.size() + userPaths.size());
+ path.insert(path.end(), userPaths.begin(), userPaths.end());
// now look for the file
std::string tryPath;
- for (std::vector<std::string>::const_iterator p = path.begin();
- p != path.end(); ++p) {
- tryPath = *p;
+ for (std::string const& p : path) {
+ tryPath = p;
+ if (tryPath.empty() || tryPath.back() != '/') {
+ tryPath += '/';
+ }
tryPath += name;
if (SystemTools::FileExists(tryPath)) {
return tryPath;
--
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