2 ff3adf60 2004-04-14 devnull * THIS FILE IS NOT IDENTICAL TO THE ORIGINAL
3 ff3adf60 2004-04-14 devnull * FROM THE BZIP2 DISTRIBUTION.
5 ff3adf60 2004-04-14 devnull * It has been modified, mainly to break the library
6 ff3adf60 2004-04-14 devnull * into smaller pieces.
8 ff3adf60 2004-04-14 devnull * Russ Cox
9 ff3adf60 2004-04-14 devnull * rsc@plan9.bell-labs.com
10 ff3adf60 2004-04-14 devnull * July 2000
13 ff3adf60 2004-04-14 devnull /*-------------------------------------------------------------*/
14 ff3adf60 2004-04-14 devnull /*--- Library top-level functions. ---*/
15 ff3adf60 2004-04-14 devnull /*--- bzlib.c ---*/
16 ff3adf60 2004-04-14 devnull /*-------------------------------------------------------------*/
19 ff3adf60 2004-04-14 devnull This file is a part of bzip2 and/or libbzip2, a program and
20 ff3adf60 2004-04-14 devnull library for lossless, block-sorting data compression.
22 ff3adf60 2004-04-14 devnull Copyright (C) 1996-2000 Julian R Seward. All rights reserved.
24 ff3adf60 2004-04-14 devnull Redistribution and use in source and binary forms, with or without
25 ff3adf60 2004-04-14 devnull modification, are permitted provided that the following conditions
28 ff3adf60 2004-04-14 devnull 1. Redistributions of source code must retain the above copyright
29 ff3adf60 2004-04-14 devnull notice, this list of conditions and the following disclaimer.
31 fa325e9b 2020-01-10 cross 2. The origin of this software must not be misrepresented; you must
32 fa325e9b 2020-01-10 cross not claim that you wrote the original software. If you use this
33 fa325e9b 2020-01-10 cross software in a product, an acknowledgment in the product
34 ff3adf60 2004-04-14 devnull documentation would be appreciated but is not required.
36 ff3adf60 2004-04-14 devnull 3. Altered source versions must be plainly marked as such, and must
37 ff3adf60 2004-04-14 devnull not be misrepresented as being the original software.
39 fa325e9b 2020-01-10 cross 4. The name of the author may not be used to endorse or promote
40 fa325e9b 2020-01-10 cross products derived from this software without specific prior written
41 ff3adf60 2004-04-14 devnull permission.
43 ff3adf60 2004-04-14 devnull THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
44 ff3adf60 2004-04-14 devnull OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
45 ff3adf60 2004-04-14 devnull WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 ff3adf60 2004-04-14 devnull ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
47 ff3adf60 2004-04-14 devnull DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 ff3adf60 2004-04-14 devnull DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
49 ff3adf60 2004-04-14 devnull GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
50 ff3adf60 2004-04-14 devnull INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
51 ff3adf60 2004-04-14 devnull WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
52 ff3adf60 2004-04-14 devnull NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
53 ff3adf60 2004-04-14 devnull SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55 ff3adf60 2004-04-14 devnull Julian Seward, Cambridge, UK.
56 ff3adf60 2004-04-14 devnull jseward@acm.org
57 ff3adf60 2004-04-14 devnull bzip2/libbzip2 version 1.0 of 21 March 2000
59 ff3adf60 2004-04-14 devnull This program is based on (at least) the work of:
60 ff3adf60 2004-04-14 devnull Mike Burrows
61 ff3adf60 2004-04-14 devnull David Wheeler
62 ff3adf60 2004-04-14 devnull Peter Fenwick
63 ff3adf60 2004-04-14 devnull Alistair Moffat
64 ff3adf60 2004-04-14 devnull Radford Neal
65 ff3adf60 2004-04-14 devnull Ian H. Witten
66 ff3adf60 2004-04-14 devnull Robert Sedgewick
67 ff3adf60 2004-04-14 devnull Jon L. Bentley
69 ff3adf60 2004-04-14 devnull For more information on these sources, see the manual.
75 ff3adf60 2004-04-14 devnull 0.9.0 -- original version.
77 ff3adf60 2004-04-14 devnull 0.9.0a/b -- no changes in this file.
80 ff3adf60 2004-04-14 devnull * made zero-length BZ_FLUSH work correctly in bzCompress().
81 ff3adf60 2004-04-14 devnull * fixed bzWrite/bzRead to ignore zero-length requests.
82 ff3adf60 2004-04-14 devnull * fixed bzread to correctly handle read requests after EOF.
83 ff3adf60 2004-04-14 devnull * wrong parameter order in call to bzDecompressInit in
84 ff3adf60 2004-04-14 devnull bzBuffToBuffDecompress. Fixed.
87 ff3adf60 2004-04-14 devnull #include "os.h"
88 ff3adf60 2004-04-14 devnull #include "bzlib.h"
89 ff3adf60 2004-04-14 devnull #include "bzlib_private.h"
91 ff3adf60 2004-04-14 devnull /*---------------------------------------------------*/
92 ff3adf60 2004-04-14 devnull int bz_config_ok ( void )
94 ff3adf60 2004-04-14 devnull if (sizeof(int) != 4) return 0;
95 ff3adf60 2004-04-14 devnull if (sizeof(short) != 2) return 0;
96 ff3adf60 2004-04-14 devnull if (sizeof(char) != 1) return 0;
97 ff3adf60 2004-04-14 devnull return 1;
100 ff3adf60 2004-04-14 devnull /*---------------------------------------------------*/
101 ff3adf60 2004-04-14 devnull void* default_bzalloc ( void* opaque, Int32 items, Int32 size )
103 ff3adf60 2004-04-14 devnull void* v = malloc ( items * size );
104 ff3adf60 2004-04-14 devnull return v;
107 ff3adf60 2004-04-14 devnull void default_bzfree ( void* opaque, void* addr )
109 ff3adf60 2004-04-14 devnull if (addr != NULL) free ( addr );
112 ff3adf60 2004-04-14 devnull /* rsc added this: where did the original go? */
113 ff3adf60 2004-04-14 devnull void bz_internal_error( int errcode )
115 ff3adf60 2004-04-14 devnull exit(1);
