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file_util: return string by const reference for GetExeDirectory()

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This disallows modifying the internal string buffer (which shouldn't be
modified anyhow).
This commit is contained in:
Lioncash 2018-07-19 01:27:27 -04:00 committed by zhupengfei
parent 4a3c4f5f67
commit 99b2a871a7
2 changed files with 2 additions and 2 deletions
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2
src/common/file_util.cpp
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@ -591,7 +591,7 @@ std::string GetBundleDirectory() {
#endif
#ifdef _WIN32
std::string& GetExeDirectory() {
const std::string& GetExeDirectory() {
static std::string exe_path;
if (exe_path.empty()) {
wchar_t wchar_exe_path[2048];

2
src/common/file_util.h
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@ -133,7 +133,7 @@ std::string GetBundleDirectory();
#endif
#ifdef _WIN32
std::string& GetExeDirectory();
const std::string& GetExeDirectory();
std::string AppDataRoamingDirectory();
#endif