+/* $XConsortium: lbxzlib.h /main/2 1996/10/27 15:39:45 rws $ */
+/*
+ * Copyright 1993 Network Computing Devices
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of NCD. not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. NCD. makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * NCD. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NCD.
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Dale Tonogai, Network Computing Devices
+ */
+
+#ifndef _ZLIB_H_
+#define _ZLIB_H_
+
+#define ZLIB_STRCOMP_OPT "XC-ZLIB"
+#define ZLIB_STRCOMP_OPT_LEN 7
+
+#define ZLIB_PACKET_HDRLEN 2
+#define ZLIB_MAX_DATALEN 0xfff
+#define ZLIB_MAX_PLAIN 270
+#define ZLIB_MAX_OUTLEN (ZLIB_MAX_PLAIN << 1)
+
+#define ZLIB_COMPRESS_FLAG 0x80
+#define ZLIB_DATALEN_MASK 0x0f
+
+#define ZLIB_PUT_PKTHDR(p, len, compflag) \
+ { \
+ (p)[0] = ((unsigned)(len)) >> 8 | ((compflag) ? ZLIB_COMPRESS_FLAG : 0);\
+ (p)[1] = (len) & 0xff; \
+ }
+
+#define ZLIB_GET_DATALEN(p) \
+ ((((unsigned)((p)[0] & ZLIB_DATALEN_MASK)) << 8) | (unsigned)(p)[1])
+
+#define ZLIB_COMPRESSED(p) ((p)[0] & ZLIB_COMPRESS_FLAG)
+
+#endif /* _ZLIB_H_ */
projects / rdpsrv / blobdiff