static struct directory *
directory_make_child_checked(struct directory *parent, const char *path)
{
	struct directory *directory;
	char *base;
	struct stat st;
	struct song *conflicting;

	directory = directory_get_child(parent, path);
	if (directory != NULL)
		return directory;

	base = g_path_get_basename(path);

	if (stat_directory_child(parent, base, &st) < 0 ||
	    inodeFoundInParent(parent, st.st_ino, st.st_dev)) {
		g_free(base);
		return NULL;
	}

	/* if we're adding directory paths, make sure to delete filenames
	   with potentially the same name */
	conflicting = songvec_find(&parent->songs, base);
	if (conflicting)
		delete_song(parent, conflicting);

	g_free(base);

	directory = directory_new_child(parent, path);
	directory_set_stat(directory, &st);
	return directory;
}
struct directory *
directory_lookup_directory(struct directory *directory, const char *uri)
{
	struct directory *cur = directory;
	struct directory *found = NULL;
	char *duplicated;
	char *locate;

	assert(uri != NULL);

	if (isRootDirectory(uri))
		return directory;

	duplicated = g_strdup(uri);
	locate = strchr(duplicated, '/');
	while (1) {
		if (locate)
			*locate = '\0';
		if (!(found = directory_get_child(cur, duplicated)))
			break;
		assert(cur == found->parent);
		cur = found;
		if (!locate)
			break;
		*locate = '/';
		locate = strchr(locate + 1, '/');
	}

	g_free(duplicated);

	return found;
}
static struct directory *
directory_load_subdir(FILE *fp, struct directory *parent, const char *name,
		      GString *buffer, GError **error_r)
{
	struct directory *directory;
	const char *line;
	bool success;

	if (directory_get_child(parent, name) != NULL) {
		g_set_error(error_r, directory_quark(), 0,
			    "Duplicate subdirectory '%s'", name);
		return NULL;
	}

	if (directory_is_root(parent)) {
		directory = directory_new(name, parent);
	} else {
		char *path = g_strconcat(directory_get_path(parent), "/",
					 name, NULL);
		directory = directory_new(path, parent);
		g_free(path);
	}

	line = read_text_line(fp, buffer);
	if (line == NULL) {
		g_set_error(error_r, directory_quark(), 0,
			    "Unexpected end of file");
		directory_free(directory);
		return NULL;
	}

	if (g_str_has_prefix(line, DIRECTORY_MTIME)) {
		directory->mtime =
			g_ascii_strtoull(line + sizeof(DIRECTORY_MTIME) - 1,
					 NULL, 10);

		line = read_text_line(fp, buffer);
		if (line == NULL) {
			g_set_error(error_r, directory_quark(), 0,
				    "Unexpected end of file");
			directory_free(directory);
			return NULL;
		}
	}

	if (!g_str_has_prefix(line, DIRECTORY_BEGIN)) {
		g_set_error(error_r, directory_quark(), 0,
			    "Malformed line: %s", line);
		directory_free(directory);
		return NULL;
	}

	success = directory_load(fp, directory, buffer, error_r);
	if (!success) {
		directory_free(directory);
		return NULL;
	}

	return directory;
}
static void
delete_name_in(struct directory *parent, const char *name)
{
	struct directory *directory = directory_get_child(parent, name);
	struct song *song = songvec_find(&parent->songs, name);

	if (directory != NULL) {
		delete_directory(directory);
		modified = true;
	}

	if (song != NULL) {
		delete_song(parent, song);
		modified = true;
	}
}
static struct directory *
make_subdir(struct directory *parent, const char *name)
{
	struct directory *directory;

	directory = directory_get_child(parent, name);
	if (directory == NULL) {
		char *path;

		if (directory_is_root(parent))
			path = NULL;
		else
			name = path = g_strconcat(directory_get_path(parent),
						  "/", name, NULL);

		directory = directory_new_child(parent, name);
		g_free(path);
	}

	return directory;
}
Example #6
0
/**
 * Create the specified directory object if it does not exist already
 * or if the #stat object indicates that it has been modified since
 * the last update.  Returns NULL when it exists already and is
 * unmodified.
 *
 * The caller must lock the database.
 */
static struct directory *
make_directory_if_modified(struct directory *parent, const char *name,
                           const struct stat *st)
{
    struct directory *directory = directory_get_child(parent, name);

    // directory exists already
    if (directory != NULL) {
        if (directory->mtime == st->st_mtime && !walk_discard) {
            /* not modified */
            db_unlock();
            return NULL;
        }

        delete_directory(directory);
        modified = true;
    }

    directory = directory_make_child(parent, name);
    directory->mtime = st->st_mtime;
    return directory;
}