| 1 | /* |
| 2 | * "$Id: file.h 11642 2014-02-27 15:57:59Z msweet $" |
| 3 | * |
| 4 | * Public file definitions for CUPS. |
| 5 | * |
| 6 | * Since stdio files max out at 256 files on many systems, we have to |
| 7 | * write similar functions without this limit. At the same time, using |
| 8 | * our own file functions allows us to provide transparent support of |
| 9 | * gzip'd print files, PPD files, etc. |
| 10 | * |
| 11 | * Copyright 2007-2011 by Apple Inc. |
| 12 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
| 13 | * |
| 14 | * These coded instructions, statements, and computer programs are the |
| 15 | * property of Apple Inc. and are protected by Federal copyright |
| 16 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" |
| 17 | * which should have been included with this file. If this file is |
| 18 | * file is missing or damaged, see the license at "http://www.cups.org/". |
| 19 | * |
| 20 | * This file is subject to the Apple OS-Developed Software exception. |
| 21 | */ |
| 22 | |
| 23 | #ifndef _CUPS_FILE_H_ |
| 24 | # define _CUPS_FILE_H_ |
| 25 | |
| 26 | |
| 27 | /* |
| 28 | * Include necessary headers... |
| 29 | */ |
| 30 | |
| 31 | # include "versioning.h" |
| 32 | # include <stddef.h> |
| 33 | # include <sys/types.h> |
| 34 | # if defined(WIN32) && !defined(__CUPS_SSIZE_T_DEFINED) |
| 35 | # define __CUPS_SSIZE_T_DEFINED |
| 36 | /* Windows does not support the ssize_t type, so map it to off_t... */ |
| 37 | typedef off_t ssize_t; /* @private@ */ |
| 38 | # endif /* WIN32 && !__CUPS_SSIZE_T_DEFINED */ |
| 39 | |
| 40 | |
| 41 | /* |
| 42 | * C++ magic... |
| 43 | */ |
| 44 | |
| 45 | # ifdef __cplusplus |
| 46 | extern "C" { |
| 47 | # endif /* __cplusplus */ |
| 48 | |
| 49 | |
| 50 | /* |
| 51 | * CUPS file definitions... |
| 52 | */ |
| 53 | |
| 54 | # define CUPS_FILE_NONE 0 /* No compression */ |
| 55 | # define CUPS_FILE_GZIP 1 /* GZIP compression */ |
| 56 | |
| 57 | |
| 58 | /* |
| 59 | * Types and structures... |
| 60 | */ |
| 61 | |
| 62 | typedef struct _cups_file_s cups_file_t;/**** CUPS file type ****/ |
| 63 | |
| 64 | |
| 65 | /* |
| 66 | * Prototypes... |
| 67 | */ |
| 68 | |
| 69 | extern int cupsFileClose(cups_file_t *fp) _CUPS_API_1_2; |
| 70 | extern int cupsFileCompression(cups_file_t *fp) _CUPS_API_1_2; |
| 71 | extern int cupsFileEOF(cups_file_t *fp) _CUPS_API_1_2; |
| 72 | extern const char *cupsFileFind(const char *filename, const char *path, |
| 73 | int executable, char *buffer, |
| 74 | int bufsize) _CUPS_API_1_2; |
| 75 | extern int cupsFileFlush(cups_file_t *fp) _CUPS_API_1_2; |
| 76 | extern int cupsFileGetChar(cups_file_t *fp) _CUPS_API_1_2; |
| 77 | extern char *cupsFileGetConf(cups_file_t *fp, char *buf, |
| 78 | size_t buflen, char **value, |
| 79 | int *linenum) _CUPS_API_1_2; |
| 80 | extern size_t cupsFileGetLine(cups_file_t *fp, char *buf, |
| 81 | size_t buflen) _CUPS_API_1_2; |
| 82 | extern char *cupsFileGets(cups_file_t *fp, char *buf, size_t buflen) |
| 83 | _CUPS_API_1_2; |
| 84 | extern int cupsFileLock(cups_file_t *fp, int block) _CUPS_API_1_2; |
| 85 | extern int cupsFileNumber(cups_file_t *fp) _CUPS_API_1_2; |
| 86 | extern cups_file_t *cupsFileOpen(const char *filename, const char *mode) |
| 87 | _CUPS_API_1_2; |
| 88 | extern cups_file_t *cupsFileOpenFd(int fd, const char *mode) _CUPS_API_1_2; |
| 89 | extern int cupsFilePeekChar(cups_file_t *fp) _CUPS_API_1_2; |
| 90 | extern int cupsFilePrintf(cups_file_t *fp, const char *format, ...) |
| 91 | __attribute__((__format__ (__printf__, 2, 3))) |
| 92 | _CUPS_API_1_2; |
| 93 | extern int cupsFilePutChar(cups_file_t *fp, int c) _CUPS_API_1_2; |
| 94 | extern ssize_t cupsFilePutConf(cups_file_t *fp, const char *directive, |
| 95 | const char *value) _CUPS_API_1_4; |
| 96 | extern int cupsFilePuts(cups_file_t *fp, const char *s) |
| 97 | _CUPS_API_1_2; |
| 98 | extern ssize_t cupsFileRead(cups_file_t *fp, char *buf, size_t bytes) |
| 99 | _CUPS_API_1_2; |
| 100 | extern off_t cupsFileRewind(cups_file_t *fp) _CUPS_API_1_2; |
| 101 | extern off_t cupsFileSeek(cups_file_t *fp, off_t pos) _CUPS_API_1_2; |
| 102 | extern cups_file_t *cupsFileStderr(void) _CUPS_API_1_2; |
| 103 | extern cups_file_t *cupsFileStdin(void) _CUPS_API_1_2; |
| 104 | extern cups_file_t *cupsFileStdout(void) _CUPS_API_1_2; |
| 105 | extern off_t cupsFileTell(cups_file_t *fp) _CUPS_API_1_2; |
| 106 | extern int cupsFileUnlock(cups_file_t *fp) _CUPS_API_1_2; |
| 107 | extern ssize_t cupsFileWrite(cups_file_t *fp, const char *buf, |
| 108 | size_t bytes) _CUPS_API_1_2; |
| 109 | |
| 110 | |
| 111 | # ifdef __cplusplus |
| 112 | } |
| 113 | # endif /* __cplusplus */ |
| 114 | #endif /* !_CUPS_FILE_H_ */ |
| 115 | |
| 116 | /* |
| 117 | * End of "$Id: file.h 11642 2014-02-27 15:57:59Z msweet $". |
| 118 | */ |
| 119 | |