/* inflate.c -- zlib decompression
- * Copyright (C) 1995-2012 Mark Adler
+ * Copyright (C) 1995-2016 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* return no joy or set up to restart inflate() on a new block */
if (state->have != 4) return Z_DATA_ERROR;
+ if (state->mode == HEAD)
+ state->wrap = 0; /* never processed header, so assume raw */
in = strm->total_in; out = strm->total_out;
inflateReset(strm);
strm->total_in = in; strm->total_out = out;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
- if (check)
+ if (check && state->wrap)
state->wrap |= 4;
else
state->wrap &= ~4;