diff options
| -rw-r--r-- | lib/bunzip.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/bunzip.c b/lib/bunzip.c index 5c3b842b..01daa783 100644 --- a/lib/bunzip.c +++ b/lib/bunzip.c @@ -197,7 +197,9 @@ int read_bunzip_data(bunzip_data *bd) t = get_bits(bd, 5); for (i = 0; i < symCount; i++) { for(;;) { - if (MAX_HUFCODE_BITS < (unsigned)t-1) return RETVAL_DATA_ERROR; + // !t || t > MAX_HUFCODE_BITS in one test. + if (MAX_HUFCODE_BITS-1 < (unsigned)t-1) + return RETVAL_DATA_ERROR; if(!get_bits(bd, 1)) break; // Stop yet? t += (1 - 2*get_bits(bd, 1)); // bit ? t-- : t++ } |