diff options
Diffstat (limited to 'archival')
| -rw-r--r-- | archival/libarchive/bz/blocksort.c | 65 |
1 files changed, 36 insertions, 29 deletions
diff --git a/archival/libarchive/bz/blocksort.c b/archival/libarchive/bz/blocksort.c index 19341369c..a95d1f54d 100644 --- a/archival/libarchive/bz/blocksort.c +++ b/archival/libarchive/bz/blocksort.c @@ -729,10 +729,8 @@ void mainSort(EState* state, int32_t nblock, int32_t* budget) { - int32_t i, j, k, ss, sb; - uint8_t c1; + int32_t i, j; int32_t numQSorted; - uint16_t s; Bool bigDone[256]; /* bbox: moved to EState to save stack int32_t runningOrder[256]; @@ -785,33 +783,36 @@ void mainSort(EState* state, ftab[i] = j; } - s = block[0] << 8; - i = nblock - 1; + { + unsigned s; + s = block[0] << 8; + i = nblock - 1; #if CONFIG_BZIP2_FAST >= 2 - for (; i >= 3; i -= 4) { - s = (s >> 8) | (block[i] << 8); - j = ftab[s] - 1; - ftab[s] = j; - ptr[j] = i; - s = (s >> 8) | (block[i-1] << 8); - j = ftab[s] - 1; - ftab[s] = j; - ptr[j] = i-1; - s = (s >> 8) | (block[i-2] << 8); - j = ftab[s] - 1; - ftab[s] = j; - ptr[j] = i-2; - s = (s >> 8) | (block[i-3] << 8); - j = ftab[s] - 1; - ftab[s] = j; - ptr[j] = i-3; - } + for (; i >= 3; i -= 4) { + s = (s >> 8) | (block[i] << 8); + j = ftab[s] - 1; + ftab[s] = j; + ptr[j] = i; + s = (s >> 8) | (block[i-1] << 8); + j = ftab[s] - 1; + ftab[s] = j; + ptr[j] = i-1; + s = (s >> 8) | (block[i-2] << 8); + j = ftab[s] - 1; + ftab[s] = j; + ptr[j] = i-2; + s = (s >> 8) | (block[i-3] << 8); + j = ftab[s] - 1; + ftab[s] = j; + ptr[j] = i-3; + } #endif - for (; i >= 0; i--) { - s = (s >> 8) | (block[i] << 8); - j = ftab[s] - 1; - ftab[s] = j; - ptr[j] = i; + for (; i >= 0; i--) { + s = (s >> 8) | (block[i] << 8); + j = ftab[s] - 1; + ftab[s] = j; + ptr[j] = i; + } } /* @@ -827,7 +828,7 @@ void mainSort(EState* state, { /* bbox: was: int32_t h = 1; */ /* do h = 3 * h + 1; while (h <= 256); */ - uint32_t h = 364; + unsigned h = 364; do { /*h = h / 3;*/ @@ -855,6 +856,7 @@ void mainSort(EState* state, numQSorted = 0; for (i = 0; /*i <= 255*/; i++) { + int32_t ss; /* * Process big buckets, starting with the least full. @@ -874,6 +876,7 @@ void mainSort(EState* state, */ for (j = 0; j <= 255; j++) { if (j != ss) { + int32_t sb; sb = (ss << 8) + j; if (!(ftab[sb] & SETMASK)) { int32_t lo = ftab[sb] & CLEARMASK; @@ -906,6 +909,8 @@ void mainSort(EState* state, copyEnd [j] = (ftab[(j << 8) + ss + 1] & CLEARMASK) - 1; } for (j = ftab[ss << 8] & CLEARMASK; j < copyStart[ss]; j++) { + unsigned c1; + int32_t k; k = ptr[j] - 1; if (k < 0) k += nblock; @@ -914,6 +919,8 @@ void mainSort(EState* state, ptr[copyStart[c1]++] = k; } for (j = (ftab[(ss+1) << 8] & CLEARMASK) - 1; j > copyEnd[ss]; j--) { + unsigned c1; + int32_t k; k = ptr[j]-1; if (k < 0) k += nblock; |