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#ifndef XADMASTER_DISKFILE_C
#define XADMASTER_DISKFILE_C
/* $Id: diskfile.c,v 1.7 2005/06/23 14:54:37 stoecker Exp $
file extraction from disk images
XAD library system for archive handling
Copyright (C) 1998 and later by Dirk StĖcker <soft@dstoecker.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "include/functions.h"
FUNCxadGetDiskInfo /* struct xadArchiveInfoP *ai, xadTAGPTR tags */
{
xadERROR err;
xadINT32 noext = 0;
struct xadImageInfo *ii;
xadTAGPTR ti, ti2 = tags;
xadUINT32 onlyflags = 0, ignoreflags = 0;
#ifdef DEBUG
DebugTagList("xadGetDiskInfoA", tags);
#endif
while((ti = NextTagItem(&ti2)))
{
switch(ti->ti_Tag)
{
case XAD_STARTCLIENT: ai->xaip_ArchiveInfo.xai_Client
= (struct xadClient *)(uintptr_t) ti->ti_Data; break;
case XAD_NOEXTERN: noext = ti->ti_Data; break;
case XAD_NOEMPTYERROR:
if(ti->ti_Data)
ai->xaip_ArchiveInfo.xai_Flags |= XADAIF_NOEMPTYERROR;
else
ai->xaip_ArchiveInfo.xai_Flags &= ~XADAIF_NOEMPTYERROR;
break;
case XAD_IGNOREFLAGS: ignoreflags = ti->ti_Data; break;
case XAD_ONLYFLAGS: onlyflags = ti->ti_Data; break;
}
}
if(noext)
ignoreflags |= XADCF_EXTERN;
ai->xaip_ArchiveInfo.xai_Flags |= XADAIF_ONLYIN;
err = xadGetHookAccessA(XADM_PRIV XADM_AI(ai), tags);
ai->xaip_ArchiveInfo.xai_Flags &= ~XADAIF_ONLYIN;
if(!err)
{
if((ii = (struct xadImageInfo *) xadAllocObjectA(XADM XADOBJ_IMAGEINFO,
0)))
{
struct xadClient *xc;
ai->xaip_InHookParam.xhp_Command = XADHC_IMAGEINFO;
ai->xaip_InHookParam.xhp_CommandData = (xadSignSize)(uintptr_t)ii;
if(CallHookPkt(ai->xaip_InHook, ai, &ai->xaip_InHookParam))
{
#ifdef DEBUG
DebugOther("xadGetDiskInfoA: got no image info, using defaults");
#endif
ii->xii_SectorSize = 512;
// ii->xii_FirstSector = 0;
ii->xii_NumSectors = ii->xii_TotalSectors = ai->xaip_InSize/512;
}
ai->xaip_ArchiveInfo.xai_ImageInfo = ii;
xc = xadMasterBase->xmb_FirstClient;
err = XADERR_FILESYSTEM;
if(ai->xaip_ArchiveInfo.xai_Client)
{ /* do not use it directly to disable wrong pointer errors */
while(xc && xc != ai->xaip_ArchiveInfo.xai_Client)
xc = xc->xc_Next;
#ifdef DEBUG
if(xc)
DebugRunTime("xadGetDiskInfoA: Starting with client %s",
xc->xc_ArchiverName);
#endif
if(!xc)
{
#ifdef DEBUG
DebugError("xadGetDiskInfoA: Wrong start client pointer");
#endif
err = XADERR_BADPARAMS;
}
ai->xaip_ArchiveInfo.xai_Client = 0; /* reset that field */
}
while(xc && err == XADERR_FILESYSTEM)
{
if((xc->xc_Flags & XADCF_FILESYSTEM) &&
!(xc->xc_Flags & ignoreflags) && ((xc->xc_Flags & onlyflags)
== onlyflags))
{
#ifdef DEBUG
DebugOther("xadGetDiskInfoA: Testing client %s", xc->xc_ArchiverName);
#endif
err = 0;
if(ai->xaip_ArchiveInfo.xai_InPos)
err = xadHookAccess(XADM XADAC_INPUTSEEK,
-ai->xaip_ArchiveInfo.xai_InPos, 0, XADM_AI(ai));
if(!err)
{
ai->xaip_ArchiveInfo.xai_Client = xc;
err = Callback_GetInfo(xc, ai, xadMasterBase);
}
#ifdef DEBUG
if(err == XADERR_FILESYSTEM)
{
if(ai->xaip_ArchiveInfo.xai_PrivateClient)
DebugError("%s set PrivateClient field", xc->xc_ArchiverName);
if(ai->xaip_ArchiveInfo.xai_FileInfo)
DebugError("%s set FileInfo field", xc->xc_ArchiverName);
if(ai->xaip_ArchiveInfo.xai_DiskInfo)
DebugError("%s set DiskInfo field", xc->xc_ArchiverName);
}
#endif
}
xc = xc->xc_Next;
}
}
else
err = XADERR_NOMEMORY;
}
if(!err && !ai->xaip_ArchiveInfo.xai_FileInfo &&
!(ai->xaip_ArchiveInfo.xai_Flags & XADAIF_NOEMPTYERROR))
err = XADERR_EMPTY;
callprogress(ai, err, err ? XADPMODE_ERROR : XADPMODE_GETINFOEND,
xadMasterBase);
if(err)
xadFreeInfo(XADM_PRIV XADM_AI(ai));
#ifdef DEBUG
if(err)
{
DebugError("xadGetDiskInfo returns \"%s\" (%ld)",
xadGetErrorText(XADM err), err);
}
#endif
return err;
}
ENDFUNC
#endif /* XADMASTER_DISKFILE_C */
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