/usr/include/gwyddion/libgwymodule/gwymodule-file.h is in libgwyddion20-dev 2.44-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* @(#) $Id: gwymodule-file.h 16378 2014-07-09 16:14:55Z yeti-dn $
* Copyright (C) 2003,2004 David Necas (Yeti), Petr Klapetek.
* E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
*
* 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.
*/
#ifndef __GWY_MODULE_FILE_H__
#define __GWY_MODULE_FILE_H__
#include <libgwyddion/gwycontainer.h>
#include <libgwymodule/gwymoduleenums.h>
#include <libgwymodule/gwymoduleloader.h>
G_BEGIN_DECLS
#define GWY_FILE_DETECT_BUFFER_SIZE 4096U
#define GWY_MODULE_FILE_ERROR gwy_module_file_error_quark()
typedef enum {
GWY_MODULE_FILE_ERROR_CANCELLED,
GWY_MODULE_FILE_ERROR_UNIMPLEMENTED,
GWY_MODULE_FILE_ERROR_IO,
GWY_MODULE_FILE_ERROR_DATA,
GWY_MODULE_FILE_ERROR_INTERACTIVE,
GWY_MODULE_FILE_ERROR_SPECIFIC
} GwyModuleFileError;
typedef struct {
const gchar *name;
const gchar *name_lowercase;
gsize file_size;
guint buffer_len;
const guchar *head;
const guchar *tail;
} GwyFileDetectInfo;
typedef gint (*GwyFileDetectFunc) (const GwyFileDetectInfo *fileinfo,
gboolean only_name,
const gchar *name);
typedef GwyContainer* (*GwyFileLoadFunc) (const gchar *filename,
GwyRunType mode,
GError **error,
const gchar *name);
typedef gboolean (*GwyFileSaveFunc) (GwyContainer *data,
const gchar *filename,
GwyRunType mode,
GError **error,
const gchar *name);
/* low-level interface */
gboolean gwy_file_func_register (const gchar *name,
const gchar *description,
GwyFileDetectFunc detect,
GwyFileLoadFunc load,
GwyFileSaveFunc save,
GwyFileSaveFunc export_);
gint gwy_file_func_run_detect(const gchar *name,
const gchar *filename,
gboolean only_name);
GwyContainer* gwy_file_func_run_load (const gchar *name,
const gchar *filename,
GwyRunType mode,
GError **error);
gboolean gwy_file_func_run_save (const gchar *name,
GwyContainer *data,
const gchar *filename,
GwyRunType mode,
GError **error);
gboolean gwy_file_func_run_export(const gchar *name,
GwyContainer *data,
const gchar *filename,
GwyRunType mode,
GError **error);
gboolean gwy_file_func_exists (const gchar *name);
GwyFileOperationType gwy_file_func_get_operations (const gchar *name);
const gchar* gwy_file_func_get_description(const gchar *name);
void gwy_file_func_foreach (GFunc function,
gpointer user_data);
const gchar* gwy_file_func_current (void);
/* high-level interface */
const gchar* gwy_file_detect (const gchar *filename,
gboolean only_name,
GwyFileOperationType operations);
const gchar* gwy_file_detect_with_score(const gchar *filename,
gboolean only_name,
GwyFileOperationType operations,
gint *score);
GwyContainer* gwy_file_load (const gchar *filename,
GwyRunType mode,
GError **error);
GwyContainer* gwy_file_load_with_func (const gchar *filename,
GwyRunType mode,
const gchar **name,
GError **error);
GwyFileOperationType gwy_file_save (GwyContainer *data,
const gchar *filename,
GwyRunType mode,
GError **error);
GwyFileOperationType gwy_file_save_with_func (GwyContainer *data,
const gchar *filename,
GwyRunType mode,
const gchar **name,
GError **error);
gboolean gwy_file_func_get_is_detectable(const gchar *name);
void gwy_file_func_set_is_detectable(const gchar *name,
gboolean is_detectable);
gboolean gwy_file_get_data_info (GwyContainer *data,
const gchar **name,
const gchar **filename_sys);
const gchar* gwy_file_get_filename_sys (GwyContainer *data);
GQuark gwy_module_file_error_quark(void);
G_END_DECLS
#endif /* __GWY_MODULE_FILE_H__ */
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