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This commit is contained in:
Philippe Teuwen 2019-03-10 00:00:59 +01:00
parent 0d9223a547
commit 0373696662
483 changed files with 56514 additions and 52451 deletions
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61
zlib/inftrees.c
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@ -9,7 +9,7 @@
#define MAXBITS 15
const char inflate_copyright[] =
" inflate 1.2.8.f-Proxmark3 Copyright 1995-2013 Mark Adler ";
" inflate 1.2.8.f-Proxmark3 Copyright 1995-2013 Mark Adler ";
/*
If you use the zlib library in a product, an acknowledgment is welcome
in the documentation of your product. If for some reason you cannot
@ -30,8 +30,8 @@ const char inflate_copyright[] =
longest code or if it is less than the shortest code.
*/
int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
unsigned codes, code FAR * FAR *table,
unsigned FAR *bits, unsigned short FAR *work)
unsigned codes, code FAR *FAR *table,
unsigned FAR *bits, unsigned short FAR *work)
{
unsigned len; /* a code's length in bits */
unsigned sym; /* index of code symbols */
@ -51,22 +51,26 @@ int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
const unsigned short FAR *base; /* base value table to use */
const unsigned short FAR *extra; /* extra bits table to use */
int end; /* use base and extra for symbol > end */
unsigned short count[MAXBITS+1]; /* number of codes of each length */
unsigned short offs[MAXBITS+1]; /* offsets in table for each length */
unsigned short count[MAXBITS + 1]; /* number of codes of each length */
unsigned short offs[MAXBITS + 1]; /* offsets in table for each length */
static const unsigned short lbase[31] = { /* Length codes 257..285 base */
3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0
};
static const unsigned short lext[31] = { /* Length codes 257..285 extra */
16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78};
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78
};
static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
8193, 12289, 16385, 24577, 0, 0};
8193, 12289, 16385, 24577, 0, 0
};
static const unsigned short dext[32] = { /* Distance codes 0..29 extra */
16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
23, 23, 24, 24, 25, 25, 26, 26, 27, 27,
28, 28, 29, 29, 64, 64};
28, 28, 29, 29, 64, 64
};
/*
Process a set of code lengths to create a canonical Huffman code. The
@ -175,21 +179,21 @@ int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
/* set up for code type */
switch (type) {
case CODES:
base = extra = work; /* dummy value--not used */
end = 19;
break;
case LENS:
base = lbase;
base -= 257;
extra = lext;
extra -= 257;
end = 256;
break;
default: /* DISTS */
base = dbase;
extra = dext;
end = -1;
case CODES:
base = extra = work; /* dummy value--not used */
end = 19;
break;
case LENS:
base = lbase;
base -= 257;
extra = lext;
extra -= 257;
end = 256;
break;
default: /* DISTS */
base = dbase;
extra = dext;
end = -1;
}
/* initialize state for loop */
@ -215,12 +219,10 @@ int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
if ((int)(work[sym]) < end) {
here.op = (unsigned char)0;
here.val = work[sym];
}
else if ((int)(work[sym]) > end) {
} else if ((int)(work[sym]) > end) {
here.op = (unsigned char)(extra[work[sym]]);
here.val = base[work[sym]];
}
else {
} else {
here.op = (unsigned char)(32 + 64); /* end of block */
here.val = 0;
}
@ -241,8 +243,7 @@ int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
if (incr != 0) {
huff &= incr - 1;
huff += incr;
}
else
} else
huff = 0;
/* go to next symbol, update count, len */