Mockup of the new package os interface (incomplete and non-functioning)

core/os/os2/env.odin

@@ -0,0 +1,43 @@
+package os2
+
+// get_env retrieves the value of the environment variable named by the key
+// It returns the value, which will be empty if the variable is not present
+// To distinguish between an empty value and an unset value, use lookup_env
+// NOTE: the value will be allocated with the supplied allocator
+get_env :: proc(key: string, allocator := context.allocator) -> string {
+	value, _ := lookup_env(key, allocator);
+	return value;
+}
+
+// lookup_env gets the value of the environment variable named by the key
+// If the variable is found in the environment the value (which can be empty) is returned and the boolean is true
+// Otherwise the returned value will be empty and the boolean will be false
+// NOTE: the value will be allocated with the supplied allocator
+lookup_env :: proc(key: string, allocator := context.allocator) -> (value: string, found: bool) {
+	return _lookup_env(key, allocator);
+}
+
+// set_env sets the value of the environment variable named by the key
+// Returns true on success, false on failure
+set_env :: proc(key, value: string) -> bool {
+	return _set_env(key, value);
+}
+
+// unset_env unsets a single environment variable
+// Returns true on success, false on failure
+unset_env :: proc(key: string) -> bool {
+	return _unset_env(key);
+}
+
+clear_env :: proc() {
+	_clear_env();
+}
+
+
+// environ returns a copy of strings representing the environment, in the form "key=value"
+// NOTE: the slice of strings and the strings with be allocated using the supplied allocator
+environ :: proc(allocator := context.allocator) -> []string {
+	return _environ(allocator);
+}
+
+