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