mirror of
https://github.com/rn10950/RetroZilla.git
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154 lines
4.4 KiB
C
154 lines
4.4 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*--------------------------------------------------------------
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* GDIFF.H
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*
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* Constants used in processing the GDIFF format
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*--------------------------------------------------------------*/
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#include "prio.h"
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#define GDIFF_MAGIC "\xD1\xFF\xD1\xFF"
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#define GDIFF_MAGIC_LEN 4
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#define GDIFF_VER 5
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#define GDIFF_EOF "\0"
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#define GDIFF_VER_POS 4
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#define GDIFF_CS_POS 5
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#define GDIFF_CSLEN_POS 6
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#define GDIFF_HEADERSIZE 7
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#define GDIFF_APPDATALEN 4
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#define GDIFF_CS_NONE 0
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#define GDIFF_CS_MD5 1
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#define GDIFF_CS_SHA 2
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#define GDIFF_CS_CRC32 32
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#define CRC32_LEN 4
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/*--------------------------------------
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* GDIFF opcodes
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*------------------------------------*/
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#define ENDDIFF 0
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#define ADD8MAX 246
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#define ADD16 247
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#define ADD32 248
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#define COPY16BYTE 249
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#define COPY16SHORT 250
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#define COPY16LONG 251
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#define COPY32BYTE 252
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#define COPY32SHORT 253
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#define COPY32LONG 254
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#define COPY64 255
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/* instruction sizes */
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#define ADD16SIZE 2
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#define ADD32SIZE 4
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#define COPY16BYTESIZE 3
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#define COPY16SHORTSIZE 4
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#define COPY16LONGSIZE 6
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#define COPY32BYTESIZE 5
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#define COPY32SHORTSIZE 6
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#define COPY32LONGSIZE 8
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#define COPY64SIZE 12
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/*--------------------------------------
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* error codes
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*------------------------------------*/
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#define GDIFF_OK 0
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#define GDIFF_ERR_UNKNOWN -1
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#define GDIFF_ERR_ARGS -2
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#define GDIFF_ERR_ACCESS -3
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#define GDIFF_ERR_MEM -4
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#define GDIFF_ERR_HEADER -5
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#define GDIFF_ERR_BADDIFF -6
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#define GDIFF_ERR_OPCODE -7
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#define GDIFF_ERR_OLDFILE -8
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#define GDIFF_ERR_CHKSUMTYPE -9
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#define GDIFF_ERR_CHECKSUM -10
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#define GDIFF_ERR_CHECKSUM_TARGET -11
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#define GDIFF_ERR_CHECKSUM_RESULT -12
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/*--------------------------------------
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* types
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*------------------------------------*/
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#ifndef AIX
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#ifdef OSF1
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#include <sys/types.h>
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#else
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typedef unsigned char uchar;
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#endif
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#endif
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typedef struct _diffdata {
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PRFileDesc* fSrc;
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PRFileDesc* fOut;
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PRFileDesc* fDiff;
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uint8 checksumType;
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uint8 checksumLength;
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uchar* oldChecksum;
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uchar* newChecksum;
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PRBool bMacAppleSingle;
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PRBool bWin32BoundImage;
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uchar* databuf;
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uint32 bufsize;
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} DIFFDATA;
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typedef DIFFDATA* pDIFFDATA;
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/*--------------------------------------
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* miscellaneous
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*------------------------------------*/
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#define APPFLAG_W32BOUND "autoinstall:Win32PE"
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#define APPFLAG_APPLESINGLE "autoinstall:AppleSingle"
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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