diff --git a/core/core_bind.cpp b/core/core_bind.cpp
index ab433bd8f1b..96e1da9dde3 100644
--- a/core/core_bind.cpp
+++ b/core/core_bind.cpp
@@ -322,8 +322,12 @@ String OS::get_environment(const String &p_var) const {
return ::OS::get_singleton()->get_environment(p_var);
}
-bool OS::set_environment(const String &p_var, const String &p_value) const {
- return ::OS::get_singleton()->set_environment(p_var, p_value);
+void OS::set_environment(const String &p_var, const String &p_value) const {
+ ::OS::get_singleton()->set_environment(p_var, p_value);
+}
+
+void OS::unset_environment(const String &p_var) const {
+ ::OS::get_singleton()->unset_environment(p_var);
}
String OS::get_name() const {
@@ -548,9 +552,10 @@ void OS::_bind_methods() {
ClassDB::bind_method(D_METHOD("is_process_running", "pid"), &OS::is_process_running);
ClassDB::bind_method(D_METHOD("get_process_id"), &OS::get_process_id);
+ ClassDB::bind_method(D_METHOD("has_environment", "variable"), &OS::has_environment);
ClassDB::bind_method(D_METHOD("get_environment", "variable"), &OS::get_environment);
ClassDB::bind_method(D_METHOD("set_environment", "variable", "value"), &OS::set_environment);
- ClassDB::bind_method(D_METHOD("has_environment", "variable"), &OS::has_environment);
+ ClassDB::bind_method(D_METHOD("unset_environment", "variable"), &OS::unset_environment);
ClassDB::bind_method(D_METHOD("get_name"), &OS::get_name);
ClassDB::bind_method(D_METHOD("get_distribution_name"), &OS::get_distribution_name);
diff --git a/core/core_bind.h b/core/core_bind.h
index 7ef346d1c41..c0c87fd0099 100644
--- a/core/core_bind.h
+++ b/core/core_bind.h
@@ -162,7 +162,8 @@ public:
bool has_environment(const String &p_var) const;
String get_environment(const String &p_var) const;
- bool set_environment(const String &p_var, const String &p_value) const;
+ void set_environment(const String &p_var, const String &p_value) const;
+ void unset_environment(const String &p_var) const;
String get_name() const;
String get_distribution_name() const;
diff --git a/core/os/os.h b/core/os/os.h
index b80efa47b73..4818e9281a1 100644
--- a/core/os/os.h
+++ b/core/os/os.h
@@ -167,7 +167,8 @@ public:
virtual bool has_environment(const String &p_var) const = 0;
virtual String get_environment(const String &p_var) const = 0;
- virtual bool set_environment(const String &p_var, const String &p_value) const = 0;
+ virtual void set_environment(const String &p_var, const String &p_value) const = 0;
+ virtual void unset_environment(const String &p_var) const = 0;
virtual String get_name() const = 0;
virtual String get_distribution_name() const = 0;
diff --git a/doc/classes/OS.xml b/doc/classes/OS.xml
index 6dab7b4ebe0..1bc81ffb42d 100644
--- a/doc/classes/OS.xml
+++ b/doc/classes/OS.xml
@@ -592,12 +592,12 @@
-
+
Sets the value of the environment variable [param variable] to [param value]. The environment variable will be set for the Godot process and any process executed with [method execute] after running [method set_environment]. The environment variable will [i]not[/i] persist to processes run after the Godot process was terminated.
- [b]Note:[/b] Double-check the casing of [param variable]. Environment variable names are case-sensitive on all platforms except Windows.
+ [b]Note:[/b] Environment variable names are case-sensitive on all platforms except Windows. The [param variable] name cannot be empty or include the [code]=[/code] character. On Windows, there is a 32767 characters limit for the combined length of [param variable], [param value], and the [code]=[/code] and null terminator characters that will be registered in the environment block.
@@ -637,6 +637,14 @@
[b]Note:[/b] This method is implemented on Android, iOS, Web, Linux, macOS and Windows.
+
+
+
+
+ Removes the environment [param variable] from the current environment, if it exists. The environment variable will be removed for the Godot process and any process executed with [method execute] after running [method unset_environment]. The removal of the environment variable will [i]not[/i] persist to processes run after the Godot process was terminated.
+ [b]Note:[/b] Environment variable names are case-sensitive on all platforms except Windows. The [param variable] name cannot be empty or include the [code]=[/code] character.
+
+
diff --git a/drivers/unix/os_unix.cpp b/drivers/unix/os_unix.cpp
index c37b3d9c873..178f01b1855 100644
--- a/drivers/unix/os_unix.cpp
+++ b/drivers/unix/os_unix.cpp
@@ -411,10 +411,6 @@ bool OS_Unix::is_process_running(const ProcessID &p_pid) const {
return true;
}
-bool OS_Unix::has_environment(const String &p_var) const {
- return getenv(p_var.utf8().get_data()) != nullptr;
-}
-
String OS_Unix::get_locale() const {
if (!has_environment("LANG")) {
return "en";
@@ -487,6 +483,10 @@ Error OS_Unix::set_cwd(const String &p_cwd) {
return OK;
}
+bool OS_Unix::has_environment(const String &p_var) const {
+ return getenv(p_var.utf8().get_data()) != nullptr;
+}
+
String OS_Unix::get_environment(const String &p_var) const {
if (getenv(p_var.utf8().get_data())) {
return getenv(p_var.utf8().get_data());
@@ -494,8 +494,15 @@ String OS_Unix::get_environment(const String &p_var) const {
return "";
}
-bool OS_Unix::set_environment(const String &p_var, const String &p_value) const {
- return setenv(p_var.utf8().get_data(), p_value.utf8().get_data(), /* overwrite: */ true) == 0;
+void OS_Unix::set_environment(const String &p_var, const String &p_value) const {
+ ERR_FAIL_COND_MSG(p_var.is_empty() || p_var.contains("="), vformat("Invalid environment variable name '%s', cannot be empty or include '='.", p_var));
+ int err = setenv(p_var.utf8().get_data(), p_value.utf8().get_data(), /* overwrite: */ 1);
+ ERR_FAIL_COND_MSG(err != 0, vformat("Failed setting environment variable '%s', the system is out of memory.", p_var));
+}
+
+void OS_Unix::unset_environment(const String &p_var) const {
+ ERR_FAIL_COND_MSG(p_var.is_empty() || p_var.contains("="), vformat("Invalid environment variable name '%s', cannot be empty or include '='.", p_var));
+ unsetenv(p_var.utf8().get_data());
}
String OS_Unix::get_user_data_dir() const {
diff --git a/drivers/unix/os_unix.h b/drivers/unix/os_unix.h
index 416311307cb..03429622ae3 100644
--- a/drivers/unix/os_unix.h
+++ b/drivers/unix/os_unix.h
@@ -81,7 +81,9 @@ public:
virtual bool has_environment(const String &p_var) const override;
virtual String get_environment(const String &p_var) const override;
- virtual bool set_environment(const String &p_var, const String &p_value) const override;
+ virtual void set_environment(const String &p_var, const String &p_value) const override;
+ virtual void unset_environment(const String &p_var) const override;
+
virtual String get_locale() const override;
virtual void initialize_debugging() override;
diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp
index b3831573cfe..130c5f7b97b 100644
--- a/platform/windows/os_windows.cpp
+++ b/platform/windows/os_windows.cpp
@@ -1166,8 +1166,17 @@ String OS_Windows::get_environment(const String &p_var) const {
return "";
}
-bool OS_Windows::set_environment(const String &p_var, const String &p_value) const {
- return (bool)SetEnvironmentVariableW((LPCWSTR)(p_var.utf16().get_data()), (LPCWSTR)(p_value.utf16().get_data()));
+void OS_Windows::set_environment(const String &p_var, const String &p_value) const {
+ ERR_FAIL_COND_MSG(p_var.is_empty() || p_var.contains("="), vformat("Invalid environment variable name '%s', cannot be empty or include '='.", p_var));
+ Char16String var = p_var.utf16();
+ Char16String value = p_value.utf16();
+ ERR_FAIL_COND_MSG(var.length() + value.length() + 2 > 32767, vformat("Invalid definition for environment variable '%s', cannot exceed 32767 characters.", p_var));
+ SetEnvironmentVariableW((LPCWSTR)(var.get_data()), (LPCWSTR)(value.get_data()));
+}
+
+void OS_Windows::unset_environment(const String &p_var) const {
+ ERR_FAIL_COND_MSG(p_var.is_empty() || p_var.contains("="), vformat("Invalid environment variable name '%s', cannot be empty or include '='.", p_var));
+ SetEnvironmentVariableW((LPCWSTR)(p_var.utf16().get_data()), nullptr); // Null to delete.
}
String OS_Windows::get_stdin_string() {
diff --git a/platform/windows/os_windows.h b/platform/windows/os_windows.h
index c33e0f67406..05110c26140 100644
--- a/platform/windows/os_windows.h
+++ b/platform/windows/os_windows.h
@@ -186,7 +186,8 @@ public:
virtual bool has_environment(const String &p_var) const override;
virtual String get_environment(const String &p_var) const override;
- virtual bool set_environment(const String &p_var, const String &p_value) const override;
+ virtual void set_environment(const String &p_var, const String &p_value) const override;
+ virtual void unset_environment(const String &p_var) const override;
virtual Vector get_system_fonts() const override;
virtual String get_system_font_path(const String &p_font_name, int p_weight = 400, int p_stretch = 100, bool p_italic = false) const override;