sdlxGetEnvironmentVariables function stdinc

List<String> sdlxGetEnvironmentVariables(Pointer<SdlEnvironment> env)

Get all variables in the environment.

\param env the environment to query. \returns a NULL terminated array of pointers to environment variables in the form "variable=value" or NULL on failure; call SDL_GetError() for more information. This is a single allocation that should be freed with SDL_free() when it is no longer needed.

\threadsafety It is safe to call this function from any thread.

\since This function is available since SDL 3.2.0.

\sa SDL_GetEnvironment \sa SDL_CreateEnvironment \sa SDL_GetEnvironmentVariable \sa SDL_SetEnvironmentVariable \sa SDL_UnsetEnvironmentVariable

extern SDL_DECLSPEC char ** SDLCALL SDL_GetEnvironmentVariables(SDL_Environment *env)

Implementation

List<String> sdlxGetEnvironmentVariables(Pointer<SdlEnvironment> env) {
  final result = <String>[];
  final variablesPointer = sdlGetEnvironmentVariables(env);
  if (variablesPointer != nullptr) {
    var index = 0;
    while (variablesPointer[index] != nullptr) {
      result.add(variablesPointer[index].cast<Utf8>().toDartString());
      index++;
    }
    sdlFree(variablesPointer.cast<Void>());
  }
  return result;
}