Imported Upstream version 2.2.2
[platform/upstream/cups.git] / 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  * 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_ */