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Comparing liblzf/lzf.h (file contents):
Revision 1.7 by pcg, Tue Apr 20 18:11:57 2004 UTC vs.
Revision 1.11 by root, Fri Nov 2 12:39:20 2007 UTC

1/* 1/*
2 * Copyright (c) 2000-2003 Marc Alexander Lehmann <pcg@goof.com> 2 * Copyright (c) 2000-2007 Marc Alexander Lehmann <schmorp@schmorp.de>
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without modifica- 4 * Redistribution and use in source and binary forms, with or without modifica-
5 * tion, are permitted provided that the following conditions are met: 5 * tion, are permitted provided that the following conditions are met:
6 * 6 *
7 * 1. Redistributions of source code must retain the above copyright notice, 7 * 1. Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer. 8 * this list of conditions and the following disclaimer.
9 * 9 *
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the 11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution. 12 * documentation and/or other materials provided with the distribution.
13 *
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 * 13 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- 15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 16 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- 17 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
… …
46** 43**
47** This algorithm is believed to be patent-free. 44** This algorithm is believed to be patent-free.
48** 45**
49***********************************************************************/ 46***********************************************************************/
50 47
48#define LZF_VERSION 0x0105 /* 1.5 */
49
51/* 50/*
52 * Compress in_len bytes stored at the memory block starting at 51 * Compress in_len bytes stored at the memory block starting at
53 * in_data and write the result to out_data, up to a maximum length 52 * in_data and write the result to out_data, up to a maximum length
54 * of out_len bytes. 53 * of out_len bytes.
55 * 54 *
56 * If the output buffer is not large enough or any error occurs 55 * If the output buffer is not large enough or any error occurs
57 * return 0, otherwise return the number of bytes used (which might 56 * return 0, otherwise return the number of bytes used (which might
58 * be considerably larger than in_len, so it makes sense to always 57 * be considerably larger than in_len, so it makes sense to always
59 * use out_len == in_len). 58 * use out_len == in_len - 1), to ensure _some_ compression, and store
59 * the data uncompressed otherwise.
60 * 60 *
61 * lzf_compress might use different algorithms on different systems and 61 * lzf_compress might use different algorithms on different systems and
62 * thus might result in different compressed strings depending on the 62 * even diferent runs, thus might result in different compressed strings
63 * phase of the moon or similar factors. However, all these strings are 63 * depending on the phase of the moon or similar factors. However, all
64 * architecture-independent and will result in the original data when 64 * these strings are architecture-independent and will result in the
65 * decompressed using lzf_decompress. 65 * original data when decompressed using lzf_decompress.
66 * 66 *
67 * The buffers must not be overlapping. 67 * The buffers must not be overlapping.
68 * 68 *
69 * If the option LZF_STATE_ARG is enabled, an extra argument must be 69 * If the option LZF_STATE_ARG is enabled, an extra argument must be
70 * supplied which is not reflected in this header file. Refer to lzf_c.c. 70 * supplied which is not reflected in this header file. Refer to lzfP.h
71 * and lzf_c.c.
71 * 72 *
72 */ 73 */
73unsigned int 74unsigned int
74lzf_compress (const void *const in_data, unsigned int in_len, 75lzf_compress (const void *const in_data, unsigned int in_len,
75 void *out_data, unsigned int out_len); 76 void *out_data, unsigned int out_len);

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