1 files changed, 53 insertions, 0 deletions
diff --git a/app/xcf/xcf-seek.c b/app/xcf/xcf-seek.c
new file mode 100644
index 0000000..26fcc27
--- /dev/null
+++ b/app/xcf/xcf-seek.c
@@ -0,0 +1,53 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gio/gio.h>
+
+#include "core/core-types.h"
+
+#include "xcf-private.h"
+#include "xcf-seek.h"
+
+#include "gimp-intl.h"
+
+
+gboolean
+xcf_seek_pos (XcfInfo  *info,
+              goffset   pos,
+              GError  **error)
+{
+  if (info->cp != pos)
+    {
+      GError *my_error = NULL;
+
+      info->cp = pos;
+
+      if (! g_seekable_seek (info->seekable, info->cp, G_SEEK_SET,
+                             NULL, &my_error))
+        {
+          g_propagate_prefixed_error (error, my_error,
+                                      _("Could not seek in XCF file: "));
+          return FALSE;
+        }
+
+      gimp_assert (info->cp == g_seekable_tell (info->seekable));
+    }
+
+  return TRUE;
+}