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| author | Jozef Behran <jozuejozef@gmail.com> | 2019-03-07 02:20:33 -0500 |
|---|---|---|
| committer | Loïc Blot <nerzhul@users.noreply.github.com> | 2019-03-07 08:20:33 +0100 |
| commit | bb35d062255ed74f6e1ebe0f7c4714054803b248 (patch) | |
| tree | 5bb33f4cdfb68f5854df2398da5f55dbf0ecb7a0 /src | |
| parent | 007c8440d7da324af05631389f9a850e805fb3b3 (diff) | |
| download | minetest-bb35d062255ed74f6e1ebe0f7c4714054803b248.tar.gz minetest-bb35d062255ed74f6e1ebe0f7c4714054803b248.tar.bz2 minetest-bb35d062255ed74f6e1ebe0f7c4714054803b248.zip | |
Optimize string handling in path search (#8098)
Use "append" method to construct the various game paths
instead of wasteful string concatenation. Additionally, use a
temporary to extract and reuse a result of a few common
subexpressions to further reduce the overhead.
Diffstat (limited to 'src')
| -rw-r--r-- | src/content/subgames.cpp | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/content/subgames.cpp b/src/content/subgames.cpp index 4b0e37f7c..39cdc056f 100644 --- a/src/content/subgames.cpp +++ b/src/content/subgames.cpp @@ -67,15 +67,19 @@ SubgameSpec findSubgame(const std::string &id) std::vector<GameFindPath> find_paths; while (!search_paths.at_end()) { std::string path = search_paths.next(PATH_DELIM); - find_paths.emplace_back(path + DIR_DELIM + id, false); - find_paths.emplace_back(path + DIR_DELIM + id + "_game", false); + path.append(DIR_DELIM).append(id); + find_paths.emplace_back(path, false); + path.append("_game"); + find_paths.emplace_back(path, false); } - find_paths.emplace_back( - user + DIR_DELIM + "games" + DIR_DELIM + id + "_game", true); - find_paths.emplace_back(user + DIR_DELIM + "games" + DIR_DELIM + id, true); - find_paths.emplace_back( - share + DIR_DELIM + "games" + DIR_DELIM + id + "_game", false); - find_paths.emplace_back(share + DIR_DELIM + "games" + DIR_DELIM + id, false); + + std::string game_base = DIR_DELIM; + game_base = game_base.append("games").append(DIR_DELIM).append(id); + std::string game_suffixed = game_base + "_game"; + find_paths.emplace_back(user + game_suffixed, true); + find_paths.emplace_back(user + game_base, true); + find_paths.emplace_back(share + game_suffixed, false); + find_paths.emplace_back(share + game_base, false); // Find game directory std::string game_path; |