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util: optimize the normal_path() common case

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Speeds up Zeek startup by 2%.
This commit is contained in:
Max Kellermann 2020-02-04 12:50:52 +01:00
parent 98241bbc60
commit 95e646fca7
1 changed files with 9 additions and 0 deletions
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9
src/util.cc
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@ -1612,6 +1612,15 @@ TEST_CASE("util normalize_path")
string normalize_path(std::string_view path)
{
if ( path.find("/.") == std::string_view::npos &&
path.find("//") == std::string_view::npos )
{
// no need to normalize anything
if ( path.size() > 1 && path.back() == '/' )
path.remove_suffix(1);
return std::string(path);
}
size_t n;
vector<std::string_view> final_components;
string new_path;