Mercurial > hg > toybox
changeset 57:034de958ee65
Fix off by one error in a test.
author | Rob Landley <rob@landley.net> |
---|---|
date | Wed, 17 Jan 2007 16:31:23 -0500 |
parents | 7794562e2e64 |
children | b060142aee01 |
files | lib/bunzip.c |
diffstat | 1 files changed, 3 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- a/lib/bunzip.c Wed Jan 17 13:58:08 2007 -0500 +++ b/lib/bunzip.c Wed Jan 17 16:31:23 2007 -0500 @@ -197,7 +197,9 @@ 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++ }