/usr/include/nih/file.h is in libnih-dev 1.0.3-4ubuntu25.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Copyright © 2009 Scott James Remnant <scott@netsplit.com>.
* Copyright © 2009 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*
* 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 NIH_FILE_H
#define NIH_FILE_H
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <nih/macros.h>
/**
* NihFileFilter:
* @data: data pointer,
* @path: path to file,
* @is_dir: TRUE if @path is a directory.
*
* A file filter is a function that can be called to determine whether
* a particular path should be ignored because of its filename.
*
* Returns: TRUE if the path should be ignored, FALSE otherwise.
**/
typedef int (*NihFileFilter) (void *data, const char *path, int is_dir);
/**
* NihFileVisitor:
* @data: data pointer given to nih_dir_walk(),
* @dirname: top-level path being walked,
* @path: path to file,
* @statbuf: stat of @path.
*
* A file visitor is a function that can be called for a filesystem object
* visited by nih_dir_walk() that does not match the filter given to that
* function.
*
* Returns: zero on success, negative value on raised error.
**/
typedef int (*NihFileVisitor) (void *data, const char *dirname,
const char *path, struct stat *statbuf);
/**
* NihFileErrorHandler:
* @data: data pointer given to nih_dir_walk(),
* @dirname: top-level path being walked,
* @path: path to file,
* @statbuf: stat of @path.
*
* A file error handler is a function called whenever the visitor function
* returns a raised error, or the attempt to walk @path fails. Note that
* @statbuf might be invalid if it was stat() that failed.
*
* This function should handle the error and return zero; alternatively
* it may raise the error again (or a different error) and return a negative
* value to abort the tree walk.
*
* Returns: zero on success, negative value on raised error.
**/
typedef int (*NihFileErrorHandler) (void *data, const char *dirname,
const char *path, struct stat *statbuf);
NIH_BEGIN_EXTERN
char *nih_file_read (const void *parent, const char *path,
size_t *length)
__attribute__ ((warn_unused_result));
void *nih_file_map (const char *path, int flags, size_t *length)
__attribute__ ((warn_unused_result));
int nih_file_unmap (void *map, size_t length);
int nih_file_is_hidden (const char *path);
int nih_file_is_backup (const char *path);
int nih_file_is_swap (const char *path);
int nih_file_is_rcs (const char *path);
int nih_file_is_packaging (const char *path);
int nih_file_ignore (void *data, const char *path);
int nih_dir_walk (const char *path, NihFileFilter filter,
NihFileVisitor visitor, NihFileErrorHandler error,
void *data)
__attribute__ ((warn_unused_result));
NIH_END_EXTERN
#endif /* NIH_FILE_H */
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