net/ppp/ppp_deflate.c

30     z_stream	strm;
65 		zlib_deflateEnd(&state->strm);
66 		vfree(state->strm.workspace);
105 	state->strm.next_in   = NULL;
107 	state->strm.workspace = vmalloc(zlib_deflate_workspacesize(-w_size, 8));
108 	if (state->strm.workspace == NULL)
111 	if (zlib_deflateInit2(&state->strm, Z_DEFAULT_COMPRESSION,
154 	zlib_deflateReset(&state->strm);
171 	zlib_deflateReset(&state->strm);
216 	state->strm.next_out = wptr;
217 	state->strm.avail_out = oavail = osize - olen;
222 	state->strm.next_in = rptr;
223 	state->strm.avail_in = (isize - off);
226 		r = zlib_deflate(&state->strm, Z_PACKET_FLUSH);
233 		if (state->strm.avail_out == 0) {
235 			state->strm.next_out = NULL;
236 			state->strm.avail_out = oavail = 1000000;
241 	olen += oavail - state->strm.avail_out;
282 		vfree(state->strm.workspace);
321 	state->strm.next_out  = NULL;
322 	state->strm.workspace = vmalloc(zlib_inflate_workspacesize());
323 	if (state->strm.workspace == NULL)
326 	if (zlib_inflateInit2(&state->strm, -w_size) != Z_OK)
369 	zlib_inflateReset(&state->strm);
386 	zlib_inflateReset(&state->strm);
448 	state->strm.next_in = ibuf + PPP_HDRLEN + DEFLATE_OVHD;
449 	state->strm.avail_in = isize - (PPP_HDRLEN + DEFLATE_OVHD);
450 	state->strm.next_out = obuf + 3;
451 	state->strm.avail_out = 1;
459 		r = zlib_inflate(&state->strm, Z_PACKET_FLUSH);
463 				       state->unit, r, (state->strm.msg? state->strm.msg: ""));
466 		if (state->strm.avail_out != 0)
469 			state->strm.avail_out = osize - PPP_HDRLEN;
473 				--state->strm.next_out;
474 				++state->strm.avail_out;
483 			state->strm.next_out = overflow_buf;
484 			state->strm.avail_out = 1;
501 	olen = osize + overflow - state->strm.avail_out;
534 	state->strm.next_in = ibuf + 3;
535 	state->strm.avail_in = icnt - 3;
537 		--state->strm.next_in;
538 		++state->strm.avail_in;
541 	r = zlib_inflateIncomp(&state->strm);
546 			       state->unit, r, (state->strm.msg? state->strm.msg: ""));