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Diff for /embedaddon/rsync/zlib/inftrees.c between versions 1.1.1.2 and 1.1.1.3

version 1.1.1.2, 2013/10/14 07:51:14 version 1.1.1.3, 2021/03/17 00:32:36
Line 54  unsigned short FAR *work; Line 54  unsigned short FAR *work;
     code FAR *next;             /* next available space in table */      code FAR *next;             /* next available space in table */
     const unsigned short FAR *base;     /* base value table to use */      const unsigned short FAR *base;     /* base value table to use */
     const unsigned short FAR *extra;    /* extra bits table to use */      const unsigned short FAR *extra;    /* extra bits table to use */
    int end;                    /* use base and extra for symbol > end */    unsigned match;             /* use base and extra for symbol >= match */
     unsigned short count[MAXBITS+1];    /* number of codes of each length */      unsigned short count[MAXBITS+1];    /* number of codes of each length */
     unsigned short offs[MAXBITS+1];     /* offsets in table for each length */      unsigned short offs[MAXBITS+1];     /* offsets in table for each length */
     static const unsigned short lbase[31] = { /* Length codes 257..285 base */      static const unsigned short lbase[31] = { /* Length codes 257..285 base */
Line 181  unsigned short FAR *work; Line 181  unsigned short FAR *work;
     switch (type) {      switch (type) {
     case CODES:      case CODES:
         base = extra = work;    /* dummy value--not used */          base = extra = work;    /* dummy value--not used */
        end = 19;        match = 20;
         break;          break;
     case LENS:      case LENS:
         base = lbase;          base = lbase;
         base -= 257;  
         extra = lext;          extra = lext;
        extra -= 257;        match = 257;
        end = 256; 
         break;          break;
     default:            /* DISTS */      default:            /* DISTS */
         base = dbase;          base = dbase;
         extra = dext;          extra = dext;
        end = -1;        match = 0;
     }      }
   
     /* initialize state for loop */      /* initialize state for loop */
Line 216  unsigned short FAR *work; Line 214  unsigned short FAR *work;
     for (;;) {      for (;;) {
         /* create table entry */          /* create table entry */
         here.bits = (unsigned char)(len - drop);          here.bits = (unsigned char)(len - drop);
        if ((int)(work[sym]) < end) {        if (work[sym] + 1u < match) {
             here.op = (unsigned char)0;              here.op = (unsigned char)0;
             here.val = work[sym];              here.val = work[sym];
         }          }
        else if ((int)(work[sym]) > end) {        else if (work[sym] >= match) {
            here.op = (unsigned char)(extra[work[sym]]);            here.op = (unsigned char)(extra[work[sym] - match]);
            here.val = base[work[sym]];            here.val = base[work[sym] - match];
         }          }
         else {          else {
             here.op = (unsigned char)(32 + 64);         /* end of block */              here.op = (unsigned char)(32 + 64);         /* end of block */
Removed from v.1.1.1.2  
changed lines
  Added in v.1.1.1.3

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