- if (nextSym == EOB) break;
-
- if (nextSym == BZ_RUNA || nextSym == BZ_RUNB) {
-
- es = -1;
- N = 1;
- do {
- if (nextSym == BZ_RUNA) es = es + (0+1) * N; else
- if (nextSym == BZ_RUNB) es = es + (1+1) * N;
- N = N * 2;
- GET_MTF_VAL(BZ_X_MTF_3, BZ_X_MTF_4, nextSym);
- }
- while (nextSym == BZ_RUNA || nextSym == BZ_RUNB);
-
- es++;
- uc = s->seqToUnseq[ s->mtfa[s->mtfbase[0]] ];
- s->unzftab[uc] += es;
-
- if (s->smallDecompress)
- while (es > 0) {
- if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR);
- s->ll16[nblock] = (UInt16)uc;
- nblock++;
- es--;
- }
- else
- while (es > 0) {
- if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR);
- s->tt[nblock] = (UInt32)uc;
- nblock++;
- es--;
- };
-
- continue;
-
- } else {
-
- if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR);
-
- /*-- uc = MTF ( nextSym-1 ) --*/
- {
- Int32 ii, jj, kk, pp, lno, off;
- UInt32 nn;
- nn = (UInt32)(nextSym - 1);
-
- if (nn < MTFL_SIZE) {
- /* avoid general-case expense */
- pp = s->mtfbase[0];
- uc = s->mtfa[pp+nn];
- while (nn > 3) {
- Int32 z = pp+nn;
- s->mtfa[(z) ] = s->mtfa[(z)-1];
- s->mtfa[(z)-1] = s->mtfa[(z)-2];
- s->mtfa[(z)-2] = s->mtfa[(z)-3];
- s->mtfa[(z)-3] = s->mtfa[(z)-4];
- nn -= 4;
- }
- while (nn > 0) {
- s->mtfa[(pp+nn)] = s->mtfa[(pp+nn)-1]; nn--;
- };
- s->mtfa[pp] = uc;
- } else {
- /* general case */
- lno = nn / MTFL_SIZE;
- off = nn % MTFL_SIZE;
- pp = s->mtfbase[lno] + off;
- uc = s->mtfa[pp];
- while (pp > s->mtfbase[lno]) {
- s->mtfa[pp] = s->mtfa[pp-1]; pp--;
- };
- s->mtfbase[lno]++;
- while (lno > 0) {
- s->mtfbase[lno]--;
- s->mtfa[s->mtfbase[lno]]
- = s->mtfa[s->mtfbase[lno-1] + MTFL_SIZE - 1];
- lno--;
- }
- s->mtfbase[0]--;
- s->mtfa[s->mtfbase[0]] = uc;
- if (s->mtfbase[0] == 0) {
- kk = MTFA_SIZE-1;
- for (ii = 256 / MTFL_SIZE-1; ii >= 0; ii--) {
- for (jj = MTFL_SIZE-1; jj >= 0; jj--) {
- s->mtfa[kk] = s->mtfa[s->mtfbase[ii] + jj];
- kk--;
- }
- s->mtfbase[ii] = kk + 1;
- }
- }
- }
- }
- /*-- end uc = MTF ( nextSym-1 ) --*/
-
- s->unzftab[s->seqToUnseq[uc]]++;
- if (s->smallDecompress)
- s->ll16[nblock] = (UInt16)(s->seqToUnseq[uc]); else
- s->tt[nblock] = (UInt32)(s->seqToUnseq[uc]);
- nblock++;
-
- GET_MTF_VAL(BZ_X_MTF_5, BZ_X_MTF_6, nextSym);
- continue;
- }
+#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+ WATCHDOG_RESET();
+#endif
+ if (nextSym == EOB) break;
+
+ if (nextSym == BZ_RUNA || nextSym == BZ_RUNB) {
+
+ es = -1;
+ N = 1;
+ do {
+ if (nextSym == BZ_RUNA) es = es + (0+1) * N; else
+ if (nextSym == BZ_RUNB) es = es + (1+1) * N;
+ N = N * 2;
+ GET_MTF_VAL(BZ_X_MTF_3, BZ_X_MTF_4, nextSym);
+ }
+ while (nextSym == BZ_RUNA || nextSym == BZ_RUNB);
+
+ es++;
+ uc = s->seqToUnseq[ s->mtfa[s->mtfbase[0]] ];
+ s->unzftab[uc] += es;
+
+ if (s->smallDecompress)
+ while (es > 0) {
+ if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR);
+ s->ll16[nblock] = (UInt16)uc;
+ nblock++;
+ es--;
+ }
+ else
+ while (es > 0) {
+ if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR);
+ s->tt[nblock] = (UInt32)uc;
+ nblock++;
+ es--;
+ };
+
+ continue;
+
+ } else {
+
+ if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR);
+
+ /*-- uc = MTF ( nextSym-1 ) --*/
+ {
+ Int32 ii, jj, kk, pp, lno, off;
+ UInt32 nn;
+ nn = (UInt32)(nextSym - 1);
+
+ if (nn < MTFL_SIZE) {
+ /* avoid general-case expense */
+ pp = s->mtfbase[0];
+ uc = s->mtfa[pp+nn];
+ while (nn > 3) {
+ Int32 z = pp+nn;
+ s->mtfa[(z) ] = s->mtfa[(z)-1];
+ s->mtfa[(z)-1] = s->mtfa[(z)-2];
+ s->mtfa[(z)-2] = s->mtfa[(z)-3];
+ s->mtfa[(z)-3] = s->mtfa[(z)-4];
+ nn -= 4;
+ }
+ while (nn > 0) {
+ s->mtfa[(pp+nn)] = s->mtfa[(pp+nn)-1]; nn--;
+ };
+ s->mtfa[pp] = uc;
+ } else {
+ /* general case */
+ lno = nn / MTFL_SIZE;
+ off = nn % MTFL_SIZE;
+ pp = s->mtfbase[lno] + off;
+ uc = s->mtfa[pp];
+ while (pp > s->mtfbase[lno]) {
+ s->mtfa[pp] = s->mtfa[pp-1]; pp--;
+ };
+ s->mtfbase[lno]++;
+ while (lno > 0) {
+ s->mtfbase[lno]--;
+ s->mtfa[s->mtfbase[lno]]
+ = s->mtfa[s->mtfbase[lno-1] + MTFL_SIZE - 1];
+ lno--;
+ }
+ s->mtfbase[0]--;
+ s->mtfa[s->mtfbase[0]] = uc;
+ if (s->mtfbase[0] == 0) {
+ kk = MTFA_SIZE-1;
+ for (ii = 256 / MTFL_SIZE-1; ii >= 0; ii--) {
+#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+ WATCHDOG_RESET();
+#endif
+ for (jj = MTFL_SIZE-1; jj >= 0; jj--) {
+ s->mtfa[kk] = s->mtfa[s->mtfbase[ii] + jj];
+ kk--;
+ }
+ s->mtfbase[ii] = kk + 1;
+ }
+ }
+ }
+ }
+ /*-- end uc = MTF ( nextSym-1 ) --*/
+
+ s->unzftab[s->seqToUnseq[uc]]++;
+ if (s->smallDecompress)
+ s->ll16[nblock] = (UInt16)(s->seqToUnseq[uc]); else
+ s->tt[nblock] = (UInt32)(s->seqToUnseq[uc]);
+ nblock++;
+
+ GET_MTF_VAL(BZ_X_MTF_5, BZ_X_MTF_6, nextSym);
+ continue;
+ }