cpp/openttd-patchpack/source Changeset - r25807:f7b79aca19d1

Changeset - r25807:f7b79aca19d1

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Rubidium - 3 years ago 2021-07-10 20:32:35
rubidium@openttd.org

Codechange: use the C++ std::getenv over the POSIX/C getenv

The C++ std::getenv is guaranteed thread-safe by the C++11 specification,
whereas the POSIX/C getenv might not be thread-safe by the C11 specification.

2 files changed with 7 insertions and 7 deletions:

src/fileio.cpp

src/strings.cpp

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src/fileio.cpp

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@@ @@ -822,7 +822,7 @@ static std::string GetHomeDir() @@
 	find_directory(B_USER_SETTINGS_DIRECTORY, &path);
 	return std::string(path.Path());
 #else
 	const char *home_env = getenv("HOME"); // Stack var, shouldn't be freed
+	const char *home_env = std::getenv("HOME"); // Stack var, shouldn't be freed
 	if (home_env != nullptr) return std::string(home_env);
 	const struct passwd *pw = getpwuid(getuid());
@@ @@ -840,7 +840,7 @@ void DetermineBasePaths(const char *exe) @@
 	std::string tmp;
 	const std::string homedir = GetHomeDir();
 #ifdef USE_XDG
 	const char *xdg_data_home = getenv("XDG_DATA_HOME");
+	const char *xdg_data_home = std::getenv("XDG_DATA_HOME");
 	if (xdg_data_home != nullptr) {
 		tmp = xdg_data_home;
 		tmp += PATHSEP;
@@ @@ -971,7 +971,7 @@ void DeterminePaths(const char *exe, boo @@
 #ifdef USE_XDG
 	std::string config_home;
 	const std::string homedir = GetHomeDir();
 	const char *xdg_config_home = getenv("XDG_CONFIG_HOME");
+	const char *xdg_config_home = std::getenv("XDG_CONFIG_HOME");
 	if (xdg_config_home != nullptr) {
 		config_home = xdg_config_home;
 		config_home += PATHSEP;

src/strings.cpp

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@@ @@ -1850,18 +1850,18 @@ const char *GetCurrentLocale(const char @@
+{
 	const char *env;
 	env = getenv("LANGUAGE");
+	env = std::getenv("LANGUAGE");
 	if (env != nullptr) return env;
 	env = getenv("LC_ALL");
+	env = std::getenv("LC_ALL");
 	if (env != nullptr) return env;
 	if (param != nullptr) {
 		env = getenv(param);
+		env = std::getenv(param);
 		if (env != nullptr) return env;
+	}
 	return getenv("LANG");
+	return std::getenv("LANG");
+}
 #else
 const char *GetCurrentLocale(const char *param);

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