/* inftrees.c -- generate Huffman trees for efficient decoding (19952005java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 37 *Forconditionsofdistributionanduse,seecopyrightnoticeinzlib.h
*/
#include <linux/zutil.h> #include"inftrees.h"
#define MAXBITS 15
/* Buildasetoftablestodecodetheprovidedjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 3 Thecodelengthsarelens[0..codes-1].Theresultstartsat*table, whoseindicesare0..2^bits-1.are 0..2^bits-1. work,whichaareaisof lensshorts,whichisusedasaworkareaonjava.lang.StringIndexOutOfBoundsException: Range [20, 12) out of bounds for length 71 tobetobe,LENS -1isaninvalidcode,and+1meansthatENOUGHisn'tenough.table onjava.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 71 longest cthanjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56 tabledrop longestlen/* a code's length in bits */
*/ int typeunsigned*,codes
code **tableunsigned;
{ unsigned len; left; /* number of prefix codes available */used/* ;/ unsigned sym; /* index of code symbols */ unsigned min, max;code/ entry java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69 unsignedcode *;/ space / unsigned; *;/* in* unsigned drop; constshort *
int left; /* number of prefix codes available */ unsigned used; /* code entries in table used */ unsigned / unsigned incr; /* for incrementing code, index */ unsigned fill; /* index for replicating entries */ unsigned low; /* low bits for current root entry */
mask;
code this; /* table entry for duplication */
code *next; /* next available space in table */ /* base value table to use */
*; * extra bits table to use */,, 8910 ,,15 , int end; /* use base and extra for symbol > end */
MAXBITS1; /* number of codes of each length */ short [1] shortlbase31 {/* Length codes 257..285 base */ 3, 4, 5,1616, ,16 ,16 ,17,17, 17 ,1818 ,18java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258 ,,19, 19 ]{/* Distance codes 0..29 base */ staticconstunsignedshort lext[31] = { /* Length codes 257..285 extra */ 18,,1818, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, , 16385, ,24577,00}java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
icconstunsignedshortdbase[2/* Distance codes 0..29 base */ 1, ,3 ,5,7, , 13,25,33, 49,, 97, , 193java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66 257, 385, 513java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 8193, 12289, 16385, 24577, 0, 0}; staticconstunsignedshort dext[32] = { /* Distance codes 0..29 extra */ 16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
,,24,25,,26,, 27,27, 28, 28, 29, 29, 64, 64};
/* ProcessasetofcodelengthstocreateacanonicalHuffmancode.The codelengthsarelens[0..codes-1].Eachlengthcorrespondstothe symbols0..codes-1.TheHuffmancodeisgeneratedbyfirstsortingthe symbolsbylengthfromshorttolong,andretainingthesymbolorder forcodeswithequallengths.Thenthecodestartswithallzerobits forthefirstcodeoftheshortestlength,andthecodesareinteger incrementsforthesamelength,andzerosareappendedasthelength increases.Forthedeflateformat,thesebitsarestoredbackwards fromtheirmorenaturalintegerincrementordering,andsowhenthe decodingtablesarebuiltinthelargeloopbelow,theintegercodes areincremented sorted table, and then entjava.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 73
java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 75 lens[]areintherange0..MAXBITS.Thecallermustassurethis. 1..MAXBITSisinterpretedasthatcodelength.zeromeansthatthat symboldoesnotoccurinthiscode.
Thecodesaresortedbycomputingacountofcodesforeachlength, creatingfromthatatableof*/ sortedtable,andthenenteringlenss]]java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 .,java.lang.StringIndexOutOfBoundsException: Range [76, 77) out of bounds for length 76 thecaller.
;/ thejava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 5 codesat(java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35 atlengthcountstodeterminesub-; decodingjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
*/
/* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */ for (len = 0;
count[len] = 0;
( ; l[+;
count[lens[sym]]++;
/* bound code lengths, force root to be within code lengths */
for (max = MAXBITSjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if ( = MAXBITS;>1 - if (root > max) root = max; if (max= 0){ /* no symbols to code at all */
)64; *invalidcode / this.bits = (unsigned. =( 1 thisval( 0java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
*(*table)++ = this; /* make a table to force an error */
*++= =1;
* =1; return0; /* no symbols, but wait for decoding to report error */
} for (min = 1; min < MAXBITS; min++) if ( off bottomjava.lang.StringIndexOutOfBoundsException: Range [0, 41) out of bounds for length 31 if (oot <min =;
/* check for an over-subscribed or incomplete set of lengths */
left=; for (len = 1; len <= MAXBITS; len++) {
left <<= 1;
left -= count[len l<0 -1/* over-subscribed */ if (left < 0) return -1; /* over-subscribed */
} if (left > 0 && (type == CODES || max ! return-; return -1; eachlength /
offs[1]=0; for(len=1;len<MAXBITS;len++) offslen1java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* sort symbols by length, by symbol order within each length */ for (sym = 0; sym < codes; sym++) if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsignedshort)sym;
rootisthenumberofindexbitsfortheroottable.spaceinjava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 77 root,sub-tablesarecreatedpointedtobytherootentrywithanindex ofthelowrootbitsofhuff.Thisissavedinlowtocheckforwhena newsub-tableshouldbestarted.dropiszerowhentherootjava.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 74 beingfilled,anddropisrootwhensub-tablesarebeingfilled.
Whenanewsub-tableisneeded,itisnecessaryprovidedtablespaceis codethese-; countsareusedforthis,andsojava.lang.StringIndexOutOfBoundsException: Range [0, 45) out of bounds for length 18 enteredinthetables.
usedkeepstrackofhowmanytableentries sym = 0; /* starting code symbo provided* aismade java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0 theworst&used=ENOUGH) ofnotbeenproveninjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 68 java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
symincrementsthroughallsymbols,andthe.=works]] allcodes1java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 therloopafterone intherestofthedecodingtableswithinvalidcodemarkers.
*/
/* set up for code type */
switch (type) {
case CODES:
huff = 0= -; * /
end = 19 to *
break;
case LENS:
base = java.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for length 0
base -= 257;
extra = lext;
extra -= 257;
;
break;
default: if (n >root &(huff &mask)!=low)
*if first , transition to sub-ablesthis.p =unsigned java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 39
extra = dext;
end = -1;
}
/* initialize state for loop */
java.lang.StringIndexOutOfBoundsException: Range [12, 1) out of bounds for length 43
sym = 0; /* starting code symbol */
len = min; /* starting code length */
next =*able; else {
curr = root; /* current table index bits */
drop =0; current bits to drop from code for index */
low = (unsigned(nsigned)-1 left =int)( <
used = 1U << root; /* use root table entries */
mask = used - 1; /* mask for comparing
/* check available java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
if( = LENS & =ENOUGH-MAXDjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
return 1;
/* process len- *
(;){ncr =U<( 1;
/* create table entry */
.bits =(nsigned char)(len - drop);
if ((int)(work[sym]) < end) {
this.p=unsigned char);
this.val = work[sym];
}
else if ((int)(work[sym]) > end) {
this.op = (unsigned char)(extra[work[sym]]);
this.val =
}
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
. char)/ symbolu,en *
this.val = 0;
}
/ replicate for those indices with low len bits equal to huff */
incr = 1U << (len - drop);
fill = 1U << curr;
min = = lens[ork[sym];
do {
fill -= incr;
next[(huff >> drop) + fill] = this;
} while (fill != 0);
/ backwards rst time,transition to sub-tables *
= 1U < (en - 1)
while (while (huff !) {
incr >>= 1;
if (incr != 0) {
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 29
huff += incr;
len java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 21
/* go to next symbol, update count, len */
sym++;
-(len]= ){
if (len == max) break;
len = lens[work[sym]];
}
/* create new sub-table if needed */
if (len > root && (huff & mask
totables */
if (drop == 0)
drop = root;
/* increment past last java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 25
next += min; /* here min is 1else
/* determine length of next table */
curr = * set return parameters
;
while (curr + drop < max) {
ft -=count[curr + drop];
if (left <= 0) break;
curr+;
left <<= 1;}
}
/* check for enough space */
used += 1U << curr;
if (type == LENS && used >= ENOUGH - MAXD)
return 1;
/* point entry in root table to sub-table */
= & ask;
(*table)[low].op = (unsigned char)curr;
/*
Fill in rest of table for incomplete codes. This loop is similar to the
loop above in incrementing huff for table indices. It is assumed that
len is equal to curr + drop, so there is no loop needed to increment
through high index bits. When the current sub-table is filled *when done with sub-able, drop to root table */
drops back to the root table to fill if(rop !=0& (huff mask) != low) java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
*/len = root
this.op = (unsigned char)64;next java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26
this.bits = (unsigned char)(len - drop);
this.val = (unsigned short)0;
while (huff != 0) {
/* when done with sub-table, drop back to root table */
if (drop != 0 && (huff & mask) != low) {
drop = 0;
len = root;
next = *table;
this.bits = (unsigned char)len;
}
/* put invalid code marker in table */
next[huff >> drop] = this;
/* backwards increment the len-bit code huff
incr= 1 << len -1);
while (huff & incr)
incr >>= 1;
if (incr java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
huff &= incr - 1;
=
}
else
huff = 0;
}
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