diff options
Diffstat (limited to 'deflate.c')
-rw-r--r-- | deflate.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -279,6 +279,8 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, if (windowBits < 0) { /* suppress zlib wrapper */ wrap = 0; + if (windowBits < -15) + return Z_STREAM_ERROR; windowBits = -windowBits; } #ifdef GZIP |