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133 lines
3.6 KiB
133 lines
3.6 KiB
/* |
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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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* gzip'd print files, PPD files, etc. |
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* |
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* Copyright 2007-2014 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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* These coded instructions, statements, and computer programs are the |
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* property of Apple Inc. and are protected by Federal copyright |
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* law. Distribution and use rights are outlined in the file "LICENSE.txt" |
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* which should have been included with this file. If this file is |
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* missing or damaged, see the license at "http://www.cups.org/". |
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* |
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* This file is subject to the Apple OS-Developed Software exception. |
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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 HAVE_LIBZ |
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# include <zlib.h> |
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# endif /* HAVE_LIBZ */ |
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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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struct _cups_file_s /**** CUPS file structure... ****/ |
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{ |
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int fd; /* File descriptor */ |
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char mode, /* Mode ('r' or 'w') */ |
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compressed, /* Compression used? */ |
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is_stdio, /* stdin/out/err? */ |
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eof, /* End of file? */ |
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buf[4096], /* Buffer */ |
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*ptr, /* Pointer into buffer */ |
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*end; /* End of buffer data */ |
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off_t pos, /* Position in file */ |
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bufpos; /* File position for start of buffer */ |
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#ifdef HAVE_LIBZ |
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z_stream stream; /* (De)compression stream */ |
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Bytef cbuf[4096]; /* (De)compression buffer */ |
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uLong crc; /* (De)compression CRC */ |
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#endif /* HAVE_LIBZ */ |
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char *printf_buffer; /* cupsFilePrintf buffer */ |
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size_t printf_size; /* Size of cupsFilePrintf buffer */ |
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}; |
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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, |
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_cups_fc_filetype_t filetype, |
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int dorootchecks, |
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_cups_fc_func_t cb, |
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void *context); |
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extern void _cupsFileCheckFilter(void *context, |
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_cups_fc_result_t result, |
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const char *message); |
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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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