/* * "$Id: file.h,v 1.1.1.1 2003/04/11 21:07:48 jlovell Exp $" * * File definitions for the Common UNIX Printing System (CUPS). * * Since stdio files max out at 256 files on many systems, we have to * write similar functions without this limit. At the same time, using * our own file functions allows us to provide transparent support of * gzip'd print files, PPD files, etc. * * Copyright 1997-2003 by Easy Software Products, all rights reserved. * * These coded instructions, statements, and computer programs are the * property of Easy Software Products and are protected by Federal * copyright law. Distribution and use rights are outlined in the file * "LICENSE.txt" which should have been included with this file. If this * file is missing or damaged please contact Easy Software Products * at: * * Attn: CUPS Licensing Information * Easy Software Products * 44141 Airport View Drive, Suite 204 * Hollywood, Maryland 20636-3111 USA * * Voice: (301) 373-9603 * EMail: cups-info@cups.org * WWW: http://www.cups.org */ #ifndef _CUPS_FILE_H # define _CUPS_FILE_H_ /* * Include necessary headers... */ # ifdef HAVE_LIBZ # include <zlib.h> # endif /* HAVE_LIBZ */ /* * C++ magic... */ # ifdef _cplusplus extern "C" { # endif /* _cplusplus */ /* * CUPS file definitions... */ # define CUPS_FILE_NONE 0 /* No compression */ # define CUPS_FILE_GZIP 1 /* GZIP compression */ /* * CUPS file structure... */ typedef struct { int fd; /* File descriptor */ char mode, /* Mode ('r' or 'w') */ compressed, /* Compression used? */ buf[2048], /* Buffer */ *ptr, /* Pointer into buffer */ *end; /* End of buffer data */ int pos; /* File position for start of buffer */ # ifdef HAVE_LIBZ z_stream stream; /* Decompression stream */ int eof; /* End of file? */ unsigned char cbuf[1024]; /* Decompression buffer */ # endif /* HAVE_LIBZ */ } cups_file_t; /* * Prototypes... */ extern int cupsFileClose(cups_file_t *fp); #define cupsFileCompression(fp) (fp)->compressed extern int cupsFileFlush(cups_file_t *fp); extern int cupsFileGetChar(cups_file_t *fp); extern char *cupsFileGets(cups_file_t *fp, char *buf, int buflen); #define cupsFileNumber(fp) (fp)->fd extern cups_file_t *cupsFileOpen(const char *filename, const char *mode); extern int cupsFilePrintf(cups_file_t *fp, const char *format, ...); extern int cupsFilePutChar(cups_file_t *fp, int c); extern int cupsFilePuts(cups_file_t *fp, const char *s); extern int cupsFileRead(cups_file_t *fp, char *buf, int bytes); extern int cupsFileSeek(cups_file_t *fp, int pos); #define cupsFileTell(fp) (fp)->pos extern int cupsFileWrite(cups_file_t *fp, const char *buf, int bytes); # ifdef _cplusplus } # endif /* _cplusplus */ #endif /* !_CUPS_FILE_H_ */ /* * End of "$Id: file.h,v 1.1.1.1 2003/04/11 21:07:48 jlovell Exp $". */