file.h revision 1.5.2.2
1 1.5.2.2 uwe /* -*-C++-*- $NetBSD: file.h,v 1.5.2.2 2006/03/05 04:05:40 uwe Exp $ */ 2 1.5.2.2 uwe 3 1.5.2.2 uwe /*- 4 1.5.2.2 uwe * Copyright (c) 1996, 2001 The NetBSD Foundation, Inc. 5 1.5.2.2 uwe * All rights reserved. 6 1.5.2.2 uwe * 7 1.5.2.2 uwe * This code is derived from software contributed to The NetBSD Foundation 8 1.5.2.2 uwe * by Matthias Drochner. and UCHIYAMA Yasushi. 9 1.5.2.2 uwe * 10 1.5.2.2 uwe * Redistribution and use in source and binary forms, with or without 11 1.5.2.2 uwe * modification, are permitted provided that the following conditions 12 1.5.2.2 uwe * are met: 13 1.5.2.2 uwe * 1. Redistributions of source code must retain the above copyright 14 1.5.2.2 uwe * notice, this list of conditions and the following disclaimer. 15 1.5.2.2 uwe * 2. Redistributions in binary form must reproduce the above copyright 16 1.5.2.2 uwe * notice, this list of conditions and the following disclaimer in the 17 1.5.2.2 uwe * documentation and/or other materials provided with the distribution. 18 1.5.2.2 uwe * 3. All advertising materials mentioning features or use of this software 19 1.5.2.2 uwe * must display the following acknowledgement: 20 1.5.2.2 uwe * This product includes software developed by the NetBSD 21 1.5.2.2 uwe * Foundation, Inc. and its contributors. 22 1.5.2.2 uwe * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.5.2.2 uwe * contributors may be used to endorse or promote products derived 24 1.5.2.2 uwe * from this software without specific prior written permission. 25 1.5.2.2 uwe * 26 1.5.2.2 uwe * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.5.2.2 uwe * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.5.2.2 uwe * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.5.2.2 uwe * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.5.2.2 uwe * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.5.2.2 uwe * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.5.2.2 uwe * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.5.2.2 uwe * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.5.2.2 uwe * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.5.2.2 uwe * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.5.2.2 uwe * POSSIBILITY OF SUCH DAMAGE. 37 1.5.2.2 uwe */ 38 1.5.2.2 uwe 39 1.5.2.2 uwe #ifndef _HPCBOOT_FILE_H_ 40 1.5.2.2 uwe #define _HPCBOOT_FILE_H_ 41 1.5.2.2 uwe 42 1.5.2.2 uwe #include <hpcboot.h> 43 1.5.2.2 uwe 44 1.5.2.2 uwe class Console; 45 1.5.2.2 uwe struct z_stream_s; 46 1.5.2.2 uwe 47 1.5.2.2 uwe class File { 48 1.5.2.2 uwe protected: 49 1.5.2.2 uwe Console *&_cons; 50 1.5.2.2 uwe BOOL _debug; 51 1.5.2.2 uwe BOOL _to_ascii(char *, const TCHAR *, size_t); 52 1.5.2.2 uwe char _ascii_filename[MAX_PATH]; 53 1.5.2.2 uwe 54 1.5.2.2 uwe public: 55 1.5.2.2 uwe File(Console *&cons) : _cons(cons) { /* NO-OP */ } 56 1.5.2.2 uwe virtual ~File() { /* NO-OP */ } 57 1.5.2.2 uwe BOOL &setDebug(void) { return _debug; } 58 1.5.2.2 uwe 59 1.5.2.2 uwe virtual BOOL setRoot(TCHAR *) = 0; 60 1.5.2.2 uwe virtual BOOL open(const TCHAR *, uint32_t = OPEN_EXISTING) = 0; 61 1.5.2.2 uwe virtual size_t size(void) = 0; 62 1.5.2.2 uwe virtual size_t realsize(void) { return size(); }; 63 1.5.2.2 uwe virtual BOOL close(void) = 0; 64 1.5.2.2 uwe virtual size_t read(void *, size_t, off_t = -1) = 0; 65 1.5.2.2 uwe virtual size_t write(const void *, size_t, off_t = -1) = 0; 66 1.5.2.2 uwe virtual BOOL seek(off_t) = 0; 67 1.5.2.2 uwe }; 68 1.5.2.2 uwe 69 1.5.2.2 uwe class FileManager : public File { 70 1.5.2.2 uwe // GZIP staff 71 1.5.2.2 uwe #define Z_BUFSIZE 1024 72 1.5.2.2 uwe private: 73 1.5.2.2 uwe enum flags { 74 1.5.2.2 uwe ASCII_FLAG = 0x01, /* bit 0 set: file probably ascii text */ 75 1.5.2.2 uwe HEAD_CRC = 0x02, /* bit 1 set: header CRC present */ 76 1.5.2.2 uwe EXTRA_FIELD = 0x04, /* bit 2 set: extra field present */ 77 1.5.2.2 uwe ORIG_NAME = 0x08, /* bit 3 set: original file name present */ 78 1.5.2.2 uwe COMMENT = 0x10, /* bit 4 set: file comment present */ 79 1.5.2.2 uwe RESERVED = 0xE0 /* bits 5..7: reserved */ 80 1.5.2.2 uwe }; 81 1.5.2.2 uwe 82 1.5.2.2 uwe struct z_stream_s *_stream; 83 1.5.2.2 uwe int _gz_magic[2]; 84 1.5.2.2 uwe int _z_err; /* error code for last stream operation */ 85 1.5.2.2 uwe int _z_eof; /* set if end of input file */ 86 1.5.2.2 uwe uint8_t _inbuf[Z_BUFSIZE]; /* input buffer */ 87 1.5.2.2 uwe uint32_t _crc; /* crc32 of uncompressed data */ 88 1.5.2.2 uwe BOOL _compressed; 89 1.5.2.2 uwe 90 1.5.2.2 uwe void _reset(void); 91 1.5.2.2 uwe int _get_byte(void); 92 1.5.2.2 uwe uint32_t _get_long(void); 93 1.5.2.2 uwe void _check_header(void); 94 1.5.2.2 uwe size_t _skip_compressed(off_t); 95 1.5.2.2 uwe 96 1.5.2.2 uwe off_t _cur_ofs; 97 1.5.2.2 uwe 98 1.5.2.2 uwe private: 99 1.5.2.2 uwe File *_file; 100 1.5.2.2 uwe 101 1.5.2.2 uwe public: 102 1.5.2.2 uwe FileManager(Console *&, enum FileOps); 103 1.5.2.2 uwe virtual ~FileManager(void); 104 1.5.2.2 uwe 105 1.5.2.2 uwe BOOL setRoot(TCHAR *); 106 1.5.2.2 uwe BOOL open(const TCHAR *, uint32_t); 107 1.5.2.2 uwe size_t size(void); 108 1.5.2.2 uwe size_t realsize(void); 109 1.5.2.2 uwe BOOL close(void); 110 1.5.2.2 uwe size_t read(void *, size_t, off_t = -1); 111 1.5.2.2 uwe size_t write(const void *, size_t, off_t = -1); 112 1.5.2.2 uwe BOOL seek(off_t); 113 1.5.2.2 uwe size_t _read(void *, size_t); 114 1.5.2.2 uwe }; 115 1.5.2.2 uwe 116 1.5.2.2 uwe #endif //_HPCBOOT_FILE_H_ 117
Indexes created Tue Sep 23 02:09:52 GMT 2025