contrib/bzip2/decompress.c

108    UChar      uc;
197       GET_UCHAR(BZ_X_MAGIC_1, uc);
198       if (uc != BZ_HDR_B) RETURN(BZ_DATA_ERROR_MAGIC);
200       GET_UCHAR(BZ_X_MAGIC_2, uc);
201       if (uc != BZ_HDR_Z) RETURN(BZ_DATA_ERROR_MAGIC);
203       GET_UCHAR(BZ_X_MAGIC_3, uc)
204       if (uc != BZ_HDR_h) RETURN(BZ_DATA_ERROR_MAGIC);
222       GET_UCHAR(BZ_X_BLKHDR_1, uc);
224       if (uc == 0x17) goto endhdr_2;
225       if (uc != 0x31) RETURN(BZ_DATA_ERROR);
226       GET_UCHAR(BZ_X_BLKHDR_2, uc);
227       if (uc != 0x41) RETURN(BZ_DATA_ERROR);
228       GET_UCHAR(BZ_X_BLKHDR_3, uc);
229       if (uc != 0x59) RETURN(BZ_DATA_ERROR);
230       GET_UCHAR(BZ_X_BLKHDR_4, uc);
231       if (uc != 0x26) RETURN(BZ_DATA_ERROR);
232       GET_UCHAR(BZ_X_BLKHDR_5, uc);
233       if (uc != 0x53) RETURN(BZ_DATA_ERROR);
234       GET_UCHAR(BZ_X_BLKHDR_6, uc);
235       if (uc != 0x59) RETURN(BZ_DATA_ERROR);
242       GET_UCHAR(BZ_X_BCRC_1, uc);
243       s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc);
244       GET_UCHAR(BZ_X_BCRC_2, uc);
245       s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc);
246       GET_UCHAR(BZ_X_BCRC_3, uc);
247       s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc);
248       GET_UCHAR(BZ_X_BCRC_4, uc);
249       s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc);
254       GET_UCHAR(BZ_X_ORIGPTR_1, uc);
255       s->origPtr = (s->origPtr << 8) | ((Int32)uc);
256       GET_UCHAR(BZ_X_ORIGPTR_2, uc);
257       s->origPtr = (s->origPtr << 8) | ((Int32)uc);
258       GET_UCHAR(BZ_X_ORIGPTR_3, uc);
259       s->origPtr = (s->origPtr << 8) | ((Int32)uc);
268          GET_BIT(BZ_X_MAPPING_1, uc);
269          if (uc == 1)
279                GET_BIT(BZ_X_MAPPING_2, uc);
280                if (uc == 1) s->inUse[i * 16 + j] = True;
294             GET_BIT(BZ_X_SELECTOR_3, uc);
295             if (uc == 0) break;
328                GET_BIT(BZ_X_CODING_2, uc);
329                if (uc == 0) break;
330                GET_BIT(BZ_X_CODING_3, uc);
331                if (uc == 0) curr++; else curr--;
405             uc = s->seqToUnseq[ s->mtfa[s->mtfbase[0]] ];
406             s->unzftab[uc] += es;
411                   s->ll16[nblock] = (UInt16)uc;
418                   s->tt[nblock] = (UInt32)uc;
429             /*-- uc = MTF ( nextSym-1 ) --*/
438                   uc = s->mtfa[pp+nn];
450                   s->mtfa[pp] = uc;
456                   uc = s->mtfa[pp];
468                   s->mtfa[s->mtfbase[0]] = uc;
481             /*-- end uc = MTF ( nextSym-1 ) --*/
483             s->unzftab[s->seqToUnseq[uc]]++;
485                s->ll16[nblock] = (UInt16)(s->seqToUnseq[uc]); else
486                s->tt[nblock]   = (UInt32)(s->seqToUnseq[uc]);
537             uc = (UChar)(s->ll16[i]);
538             SET_LL(i, s->cftabCopy[uc]);
539             s->cftabCopy[uc]++;
567             uc = (UChar)(s->tt[i] & 0xff);
568             s->tt[s->cftab[uc]] |= (i << 8);
569             s->cftab[uc]++;
590       GET_UCHAR(BZ_X_ENDHDR_2, uc);
591       if (uc != 0x72) RETURN(BZ_DATA_ERROR);
592       GET_UCHAR(BZ_X_ENDHDR_3, uc);
593       if (uc != 0x45) RETURN(BZ_DATA_ERROR);
594       GET_UCHAR(BZ_X_ENDHDR_4, uc);
595       if (uc != 0x38) RETURN(BZ_DATA_ERROR);
596       GET_UCHAR(BZ_X_ENDHDR_5, uc);
597       if (uc != 0x50) RETURN(BZ_DATA_ERROR);
598       GET_UCHAR(BZ_X_ENDHDR_6, uc);
599       if (uc != 0x90) RETURN(BZ_DATA_ERROR);
602       GET_UCHAR(BZ_X_CCRC_1, uc);
603       s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc);
604       GET_UCHAR(BZ_X_CCRC_2, uc);
605       s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc);
606       GET_UCHAR(BZ_X_CCRC_3, uc);
607       s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc);
608       GET_UCHAR(BZ_X_CCRC_4, uc);
609       s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc);