C++ (Cpp) pk_backend_spawn_get_envp примеры использования

Пример #1

Файл: pk-backend-spawn.c Проект: EvaSDK/PackageKit

static gboolean
pk_backend_spawn_helper_va_list (PkBackendSpawn *backend_spawn,
				 PkBackendJob *job,
				 const gchar *executable,
				 va_list *args)
{
	gboolean background;
	PkBackendSpawnPrivate *priv = backend_spawn->priv;
	PkSpawnArgvFlags flags = PK_SPAWN_ARGV_FLAGS_NONE;
#if PK_BUILD_LOCAL
	const gchar *directory;
#endif
	g_autoptr(GError) error = NULL;
	g_autofree gchar *filename = NULL;
	g_auto(GStrv) argv = NULL;
	g_auto(GStrv) envp = NULL;

	g_return_val_if_fail (PK_IS_BACKEND_SPAWN (backend_spawn), FALSE);

	/* convert to a argv */
	argv = pk_backend_spawn_va_list_to_argv (executable, args);
	if (argv == NULL) {
		g_warning ("argv NULL");
		return FALSE;
	}

#if PK_BUILD_LOCAL
	/* prefer the local version */
	directory = priv->name;
	if (g_str_has_prefix (directory, "test_"))
		directory = "test";

	filename = g_build_filename ("..", "backends", directory, "helpers",
				     argv[PK_BACKEND_SPAWN_ARGV0], NULL);
	if (g_file_test (filename, G_FILE_TEST_EXISTS) == FALSE) {
		g_debug ("local helper not found '%s'", filename);
		g_free (filename);
		filename = g_build_filename ("..", "backends", directory,
					     argv[PK_BACKEND_SPAWN_ARGV0], NULL);
	}
	if (g_file_test (filename, G_FILE_TEST_EXISTS) == FALSE) {
		g_debug ("local helper not found '%s'", filename);
		g_free (filename);
		filename = g_build_filename (DATADIR, "PackageKit", "helpers",
					     priv->name, argv[PK_BACKEND_SPAWN_ARGV0], NULL);
	}
#else
	filename = g_build_filename (DATADIR, "PackageKit", "helpers",
				     priv->name, argv[PK_BACKEND_SPAWN_ARGV0], NULL);
#endif
	g_debug ("using spawn filename %s", filename);

	/* replace the filename with the full path */
	g_free (argv[PK_BACKEND_SPAWN_ARGV0]);
	argv[PK_BACKEND_SPAWN_ARGV0] = g_strdup (filename);

	/* copy idle setting from backend to PkSpawn instance */
	background = pk_backend_job_get_background (job);
	g_object_set (priv->spawn,
		      "background", (background == TRUE),
		      NULL);

#ifdef ENABLE_STRACE
	/* we can't reuse when using strace */
	flags |= PK_SPAWN_ARGV_FLAGS_NEVER_REUSE;
#endif

	priv->finished = FALSE;
	envp = pk_backend_spawn_get_envp (backend_spawn);
	if (!pk_spawn_argv (priv->spawn, argv, envp, flags, &error)) {
		pk_backend_job_error_code (priv->job,
					   PK_ERROR_ENUM_INTERNAL_ERROR,
					   "Spawn of helper '%s' failed: %s",
					   argv[PK_BACKEND_SPAWN_ARGV0],
					   error->message);
		pk_backend_job_finished (priv->job);
		return FALSE;
	}
	return TRUE;
}

Пример #2

Файл: pk-backend-spawn.c Проект: coolo/packagekit

/**
 * pk_backend_spawn_helper_va_list:
 **/
static gboolean
pk_backend_spawn_helper_va_list (PkBackendSpawn *backend_spawn,
				 PkBackendJob *job,
				 const gchar *executable,
				 va_list *args)
{
	gboolean ret;
	gchar *filename;
	gchar **argv;
	gchar **envp;
	PkHintEnum background;
	GError *error = NULL;
	PkBackendSpawnPrivate *priv = backend_spawn->priv;
#if PK_BUILD_LOCAL
	const gchar *directory;
#endif

	g_return_val_if_fail (PK_IS_BACKEND_SPAWN (backend_spawn), FALSE);

	/* convert to a argv */
	argv = pk_backend_spawn_va_list_to_argv (executable, args);
	if (argv == NULL) {
		g_warning ("argv NULL");
		return FALSE;
	}

#if PK_BUILD_LOCAL
	/* prefer the local version */
	directory = priv->name;
	if (g_str_has_prefix (directory, "test_"))
		directory = "test";

	filename = g_build_filename ("..", "backends", directory, "helpers", argv[0], NULL);
	if (g_file_test (filename, G_FILE_TEST_EXISTS) == FALSE) {
		g_debug ("local helper not found '%s'", filename);
		g_free (filename);
		filename = g_build_filename ("..", "backends", directory, argv[0], NULL);
	}
	if (g_file_test (filename, G_FILE_TEST_EXISTS) == FALSE) {
		g_debug ("local helper not found '%s'", filename);
		g_free (filename);
		filename = g_build_filename (DATADIR, "PackageKit", "helpers", priv->name, argv[0], NULL);
	}
#else
	filename = g_build_filename (DATADIR, "PackageKit", "helpers", priv->name, argv[0], NULL);
#endif
	g_debug ("using spawn filename %s", filename);

	/* replace the filename with the full path */
	g_free (argv[0]);
	argv[0] = g_strdup (filename);

	/* copy idle setting from backend to PkSpawn instance */
	background = pk_backend_job_get_background (job);
	g_object_set (priv->spawn,
		      "background", (background == PK_HINT_ENUM_TRUE),
		      NULL);

	priv->finished = FALSE;
	envp = pk_backend_spawn_get_envp (backend_spawn);
	ret = pk_spawn_argv (priv->spawn, argv, envp, &error);
	if (!ret) {
		pk_backend_job_error_code (priv->job, PK_ERROR_ENUM_INTERNAL_ERROR,
				       "Spawn of helper '%s' failed", argv[0], error->message);
		g_error_free (error);
		pk_backend_job_finished (priv->job);
	}
	g_free (filename);
	g_strfreev (argv);
	g_strfreev (envp);
	return ret;
}