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-rw-r--r--filters/chalk/xcf/xcf/xcf-seek.cpp79
1 files changed, 79 insertions, 0 deletions
diff --git a/filters/chalk/xcf/xcf/xcf-seek.cpp b/filters/chalk/xcf/xcf/xcf-seek.cpp
new file mode 100644
index 000000000..a24271f5e
--- /dev/null
+++ b/filters/chalk/xcf/xcf/xcf-seek.cpp
@@ -0,0 +1,79 @@
+/* The GIMP -- an 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <errno.h>
+
+#include <glib-object.h>
+
+#include "core/core-types.h"
+
+#include "xcf-private.h"
+#include "xcf-seek.h"
+
+#include "gimp-intl.h"
+
+bool
+xcf_seek_pos (XcfInfo *info,
+ TQ_UINT32 pos,
+ GError **error)
+{
+ if (info->cp != pos)
+ {
+ info->cp = pos;
+ if (fseek (info->fp, info->cp, SEEK_SET) == -1)
+ {
+ g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
+ _("Could not seek in XCF file: %s"),
+ g_strerror (errno));
+
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+bool
+xcf_seek_end (XcfInfo *info,
+ GError **error)
+{
+ if (fseek (info->fp, 0, SEEK_END) == -1)
+ {
+ g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
+ _("Could not seek in XCF file: %s"),
+ g_strerror (errno));
+
+ return FALSE;
+ }
+
+ info->cp = ftell (info->fp);
+
+ if (fseek (info->fp, 0, SEEK_END) == -1)
+ {
+ g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
+ _("Could not seek in XCF file: %s"),
+ g_strerror (errno));
+
+ return FALSE;
+ }
+
+ return TRUE;
+}