cups/file.h

   1 /*
   2  * Public file definitions for CUPS.
   3  *
   4  * Since stdio files max out at 256 files on many systems, we have to
   5  * write similar functions without this limit.  At the same time, using
   6  * our own file functions allows us to provide transparent support of
   7  * gzip'd print files, PPD files, etc.
   8  *
   9  * Copyright 2007-2014 by Apple Inc.
  10  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  11  *
  12  * These coded instructions, statements, and computer programs are the
  13  * property of Apple Inc. and are protected by Federal copyright
  14  * law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  15  * which should have been included with this file.  If this file is
  16  * file is missing or damaged, see the license at "http://www.cups.org/".
  17  *
  18  * This file is subject to the Apple OS-Developed Software exception.
  19  */
  20
  21 #ifndef _CUPS_FILE_H_
  22 #  define _CUPS_FILE_H_
  23
  24
  25 /*
  26  * Include necessary headers...
  27  */
  28
  29 #  include "versioning.h"
  30 #  include <stddef.h>
  31 #  include <sys/types.h>
  32 #  if defined(WIN32) && !defined(__CUPS_SSIZE_T_DEFINED)
  33 #    define __CUPS_SSIZE_T_DEFINED
  34 /* Windows does not support the ssize_t type, so map it to off_t... */
  35 typedef off_t ssize_t;                  /* @private@ */
  36 #  endif /* WIN32 && !__CUPS_SSIZE_T_DEFINED */
  37
  38
  39 /*
  40  * C++ magic...
  41  */
  42
  43 #  ifdef __cplusplus
  44 extern "C" {
  45 #  endif /* __cplusplus */
  46
  47
  48 /*
  49  * CUPS file definitions...
  50  */
  51
  52 #  define CUPS_FILE_NONE        0       /* No compression */
  53 #  define CUPS_FILE_GZIP        1       /* GZIP compression */
  54
  55
  56 /*
  57  * Types and structures...
  58  */
  59
  60 typedef struct _cups_file_s cups_file_t;/**** CUPS file type ****/
  61
  62
  63 /*
  64  * Prototypes...
  65  */
  66
  67 extern int              cupsFileClose(cups_file_t *fp) _CUPS_API_1_2;
  68 extern int              cupsFileCompression(cups_file_t *fp) _CUPS_API_1_2;
  69 extern int              cupsFileEOF(cups_file_t *fp) _CUPS_API_1_2;
  70 extern const char       *cupsFileFind(const char *filename, const char *path,
  71                                       int executable, char *buffer,
  72                                       int bufsize) _CUPS_API_1_2;
  73 extern int              cupsFileFlush(cups_file_t *fp) _CUPS_API_1_2;
  74 extern int              cupsFileGetChar(cups_file_t *fp) _CUPS_API_1_2;
  75 extern char             *cupsFileGetConf(cups_file_t *fp, char *buf,
  76                                          size_t buflen, char **value,
  77                                          int *linenum) _CUPS_API_1_2;
  78 extern size_t           cupsFileGetLine(cups_file_t *fp, char *buf,
  79                                         size_t buflen) _CUPS_API_1_2;
  80 extern char             *cupsFileGets(cups_file_t *fp, char *buf, size_t buflen)
  81                         _CUPS_API_1_2;
  82 extern int              cupsFileLock(cups_file_t *fp, int block) _CUPS_API_1_2;
  83 extern int              cupsFileNumber(cups_file_t *fp) _CUPS_API_1_2;
  84 extern cups_file_t      *cupsFileOpen(const char *filename, const char *mode)
  85                         _CUPS_API_1_2;
  86 extern cups_file_t      *cupsFileOpenFd(int fd, const char *mode) _CUPS_API_1_2;
  87 extern int              cupsFilePeekChar(cups_file_t *fp) _CUPS_API_1_2;
  88 extern int              cupsFilePrintf(cups_file_t *fp, const char *format, ...)
  89                         __attribute__((__format__ (__printf__, 2, 3)))
  90                         _CUPS_API_1_2;
  91 extern int              cupsFilePutChar(cups_file_t *fp, int c) _CUPS_API_1_2;
  92 extern ssize_t          cupsFilePutConf(cups_file_t *fp, const char *directive,
  93                                         const char *value) _CUPS_API_1_4;
  94 extern int              cupsFilePuts(cups_file_t *fp, const char *s)
  95                         _CUPS_API_1_2;
  96 extern ssize_t          cupsFileRead(cups_file_t *fp, char *buf, size_t bytes)
  97                         _CUPS_API_1_2;
  98 extern off_t            cupsFileRewind(cups_file_t *fp) _CUPS_API_1_2;
  99 extern off_t            cupsFileSeek(cups_file_t *fp, off_t pos) _CUPS_API_1_2;
 100 extern cups_file_t      *cupsFileStderr(void) _CUPS_API_1_2;
 101 extern cups_file_t      *cupsFileStdin(void) _CUPS_API_1_2;
 102 extern cups_file_t      *cupsFileStdout(void) _CUPS_API_1_2;
 103 extern off_t            cupsFileTell(cups_file_t *fp) _CUPS_API_1_2;
 104 extern int              cupsFileUnlock(cups_file_t *fp) _CUPS_API_1_2;
 105 extern ssize_t          cupsFileWrite(cups_file_t *fp, const char *buf,
 106                                       size_t bytes) _CUPS_API_1_2;
 107
 108
 109 #  ifdef __cplusplus
 110 }
 111 #  endif /* __cplusplus */
 112 #endif /* !_CUPS_FILE_H_ */