diff options
| -rw-r--r-- | lib/bunzip.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/bunzip.c b/lib/bunzip.c index fbc6c8e4..5cdc4528 100644 --- a/lib/bunzip.c +++ b/lib/bunzip.c @@ -182,7 +182,7 @@ int read_bunzip_data(bunzip_data *bd) // Decode MTF to get the next selector uc = mtfSymbol[j]; - for (k=j; k; k--) mtfSymbol[k] = mtfSymbol[k-1]; + memmove(mtfSymbol+1, mtfSymbol, j); mtfSymbol[0] = selectors[i] = uc; } // Read the huffman coding tables for each group, which code for symTotal @@ -197,9 +197,8 @@ int read_bunzip_data(bunzip_data *bd) for (i = 0; i < symCount; i++) { for(;;) { if (MAX_HUFCODE_BITS < (unsigned)t-1) return RETVAL_DATA_ERROR; - if(!get_bits(bd, 1)) break; - if(!get_bits(bd, 1)) t++; - else t--; + if(!get_bits(bd, 1)) break; // Stop yet? + t += (1 - 2*get_bits(bd, 1)); // bit ? t-- : t++ } length[i] = t; } |