gecko-dev/modules/softupdt/include/gdiff.h
1998-06-07 09:47:23 +00:00

127 lines
3.3 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/*--------------------------------------------------------------
* GDIFF.H
*
* Constants used in processing the GDIFF format
*--------------------------------------------------------------*/
#define GDIFF_MAGIC "\xD1\xFF\xD1\xFF"
#define GDIFF_MAGIC_LEN 4
#define GDIFF_VER 5
#define GDIFF_EOF "\0"
#define GDIFF_VER_POS 4
#define GDIFF_CS_POS 5
#define GDIFF_CSLEN_POS 6
#define GDIFF_HEADERSIZE 7
#define GDIFF_APPDATALEN 4
#define GDIFF_CS_NONE 0
#define GDIFF_CS_MD5 1
#define GDIFF_CS_SHA 2
#define GDIFF_CS_CRC32 32
#define CRC32_LEN 4
/*--------------------------------------
* GDIFF opcodes
*------------------------------------*/
#define ENDDIFF 0
#define ADD8MAX 246
#define ADD16 247
#define ADD32 248
#define COPY16BYTE 249
#define COPY16SHORT 250
#define COPY16LONG 251
#define COPY32BYTE 252
#define COPY32SHORT 253
#define COPY32LONG 254
#define COPY64 255
/* instruction sizes */
#define ADD16SIZE 2
#define ADD32SIZE 4
#define COPY16BYTESIZE 3
#define COPY16SHORTSIZE 4
#define COPY16LONGSIZE 6
#define COPY32BYTESIZE 5
#define COPY32SHORTSIZE 6
#define COPY32LONGSIZE 8
#define COPY64SIZE 12
/*--------------------------------------
* error codes
*------------------------------------*/
#define GDIFF_OK 0
#define GDIFF_ERR_UNKNOWN -1
#define GDIFF_ERR_ARGS -2
#define GDIFF_ERR_ACCESS -3
#define GDIFF_ERR_MEM -4
#define GDIFF_ERR_HEADER -5
#define GDIFF_ERR_BADDIFF -6
#define GDIFF_ERR_OPCODE -7
#define GDIFF_ERR_OLDFILE -8
#define GDIFF_ERR_CHKSUMTYPE -9
#define GDIFF_ERR_CHECKSUM -10
/*--------------------------------------
* types
*------------------------------------*/
#ifndef AIX
typedef unsigned char uchar;
#endif
typedef struct _diffdata {
XP_File fSrc;
XP_File fOut;
XP_File fDiff;
uint8 checksumType;
uint8 checksumLength;
uchar* oldChecksum;
uchar* newChecksum;
XP_Bool bMacAppleSingle;
XP_Bool bWin32BoundImage;
uchar* databuf;
uint32 bufsize;
} DIFFDATA;
typedef DIFFDATA* pDIFFDATA;
/*--------------------------------------
* miscellaneous
*------------------------------------*/
#define APPFLAG_W32BOUND "autoinstall:Win32PE"
#define APPFLAG_APPLESINGLE "autoinstall:AppleSingle"
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif