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/*
* Private file definitions for CUPS.
*
* Since stdio files max out at 256 files on many systems, we have to
* write similar functions without this limit. At the same time, using
* our own file functions allows us to provide transparent support of
* different line endings, gzip'd print files, PPD files, etc.
*
* Copyright © 2007-2018 by Apple Inc.
* Copyright © 1997-2007 by Easy Software Products, all rights reserved.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more
* information.
*/
#ifndef _CUPS_FILE_PRIVATE_H_
# define _CUPS_FILE_PRIVATE_H_
/*
* Include necessary headers...
*/
# include "cups-private.h"
# include <stdio.h>
# include <stdlib.h>
# include <stdarg.h>
# include <fcntl.h>
# ifdef _WIN32
# include <io.h>
# include <sys/locking.h>
# endif /* _WIN32 */
/*
* Some operating systems support large files via open flag O_LARGEFILE...
*/
# ifndef O_LARGEFILE
# define O_LARGEFILE 0
# endif /* !O_LARGEFILE */
/*
* Some operating systems don't define O_BINARY, which is used by Microsoft
* and IBM to flag binary files...
*/
# ifndef O_BINARY
# define O_BINARY 0
# endif /* !O_BINARY */
# ifdef __cplusplus
extern "C" {
# endif /* __cplusplus */
/*
* Types and structures...
*/
typedef enum /**** _cupsFileCheck return values ****/
{
_CUPS_FILE_CHECK_OK = 0, /* Everything OK */
_CUPS_FILE_CHECK_MISSING = 1, /* File is missing */
_CUPS_FILE_CHECK_PERMISSIONS = 2, /* File (or parent dir) has bad perms */
_CUPS_FILE_CHECK_WRONG_TYPE = 3, /* File has wrong type */
_CUPS_FILE_CHECK_RELATIVE_PATH = 4 /* File contains a relative path */
} _cups_fc_result_t;
typedef enum /**** _cupsFileCheck file type values ****/
{
_CUPS_FILE_CHECK_FILE = 0, /* Check the file and parent directory */
_CUPS_FILE_CHECK_PROGRAM = 1, /* Check the program and parent directory */
_CUPS_FILE_CHECK_FILE_ONLY = 2, /* Check the file only */
_CUPS_FILE_CHECK_DIRECTORY = 3 /* Check the directory */
} _cups_fc_filetype_t;
typedef void (*_cups_fc_func_t)(void *context, _cups_fc_result_t result,
const char *message);
/*
* Prototypes...
*/
extern _cups_fc_result_t _cupsFileCheck(const char *filename, _cups_fc_filetype_t filetype, int dorootchecks, _cups_fc_func_t cb, void *context) _CUPS_PRIVATE;
extern void _cupsFileCheckFilter(void *context, _cups_fc_result_t result, const char *message) _CUPS_PRIVATE;
extern int _cupsFilePeekAhead(cups_file_t *fp, int ch);
# ifdef __cplusplus
}
# endif /* __cplusplus */
#endif /* !_CUPS_FILE_PRIVATE_H_ */
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