zlib 1.2.3
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4183 212acab6-be3b-0410-9dea-997c60f758d6
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0a19777905
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16 changed files with 578 additions and 134 deletions
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@ -1,5 +1,5 @@
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/* inftrees.c -- generate Huffman trees for efficient decoding
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* Copyright (C) 1995-2004 Mark Adler
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* Copyright (C) 1995-2005 Mark Adler
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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@ -9,7 +9,7 @@
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#define MAXBITS 15
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const char inflate_copyright[] =
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" inflate 1.2.2 Copyright 1995-2004 Mark Adler ";
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" inflate 1.2.3 Copyright 1995-2005 Mark Adler ";
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/*
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If you use the zlib library in a product, an acknowledgment is welcome
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in the documentation of your product. If for some reason you cannot
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@ -62,7 +62,7 @@ unsigned short FAR *work;
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35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
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static const unsigned short lext[31] = { /* Length codes 257..285 extra */
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16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
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19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 199, 198};
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19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 201, 196};
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static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
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1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
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257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
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@ -134,7 +134,7 @@ unsigned short FAR *work;
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left -= count[len];
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if (left < 0) return -1; /* over-subscribed */
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}
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if (left > 0 && (type == CODES || (codes - count[0] != 1)))
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if (left > 0 && (type == CODES || max != 1))
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return -1; /* incomplete set */
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/* generate offsets into symbol table for each length for sorting */
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@ -232,6 +232,7 @@ unsigned short FAR *work;
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/* replicate for those indices with low len bits equal to huff */
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incr = 1U << (len - drop);
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fill = 1U << curr;
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min = fill; /* save offset to next table */
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do {
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fill -= incr;
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next[(huff >> drop) + fill] = this;
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@ -262,7 +263,7 @@ unsigned short FAR *work;
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drop = root;
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/* increment past last table */
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next += 1U << curr;
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next += min; /* here min is 1 << curr */
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/* determine length of next table */
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curr = len - drop;
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