Copyright 1996-2003 John D. Polstra.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgment:
* This product includes software developed by John D. Polstra.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: Ugzip.m3.html,v 1.3 2010-04-29 17:20:03 wagner Exp $
UNSAFE MODULE Ugzip;
IMPORT Cstdlib, CText, Scheduler, UgzipP;
FROM Ctypes IMPORT int, unsigned_int, void_star;
PROCEDURE deflateInit(strm: z_stream_star; level: int): int =
VAR
ver := ZLIB_VERSION;
verStr := CText.SharedTtoS(ver);
retVal: int;
BEGIN
retVal := UgzipP.deflateInit_(strm, level, verStr, BYTESIZE(z_stream));
CText.FreeSharedS(ver, verStr);
RETURN retVal;
END deflateInit;
PROCEDURE inflateInit(strm: z_stream_star): int =
VAR
ver := ZLIB_VERSION;
verStr := CText.SharedTtoS(ver);
retVal: int;
BEGIN
retVal := UgzipP.inflateInit_(strm, verStr, BYTESIZE(z_stream));
CText.FreeSharedS(ver, verStr);
RETURN retVal;
END inflateInit;
PROCEDURE SafeAlloc(<*UNUSED*> opaque: void_star;
items: unsigned_int;
size: unsigned_int): void_star =
BEGIN
Scheduler.DisableSwitching();
TRY
RETURN Cstdlib.malloc(items * size);
FINALLY
Scheduler.EnableSwitching();
END;
END SafeAlloc;
PROCEDURE SafeFree(<*UNUSED*> opaque: void_star;
address: void_star) =
BEGIN
Scheduler.DisableSwitching();
TRY
Cstdlib.free(address);
FINALLY
Scheduler.EnableSwitching();
END;
END SafeFree;
BEGIN
END Ugzip.