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-rw-r--r--lib/bunzip.c7
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;
}