mirror of
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0799c1a780
Global replacement of debugtools.h by wine/debug.h.
1719 lines
50 KiB
C
1719 lines
50 KiB
C
/* Compound Storage
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*
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* Implemented using the documentation of the LAOLA project at
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* <URL:http://wwwwbs.cs.tu-berlin.de/~schwartz/pmh/index.html>
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* (Thanks to Martin Schwartz <schwartz@cs.tu-berlin.de>)
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*
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* Copyright 1998 Marcus Meissner
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <assert.h>
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#include <time.h>
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "windef.h"
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#include "ntddk.h"
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#include "winerror.h"
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#include "wine/winbase16.h"
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#include "wine/unicode.h"
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#include "wtypes.h"
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#include "wine/obj_base.h"
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#include "wine/obj_storage.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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WINE_DECLARE_DEBUG_CHANNEL(relay);
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struct storage_header {
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BYTE magic[8]; /* 00: magic */
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BYTE unknown1[36]; /* 08: unknown */
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DWORD num_of_bbd_blocks;/* 2C: length of big datablocks */
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DWORD root_startblock;/* 30: root storage first big block */
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DWORD unknown2[2]; /* 34: unknown */
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DWORD sbd_startblock; /* 3C: small block depot first big block */
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DWORD unknown3[3]; /* 40: unknown */
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DWORD bbd_list[109]; /* 4C: big data block list (up to end of sector)*/
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};
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struct storage_pps_entry {
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WCHAR pps_rawname[32];/* 00: \0 terminated widechar name */
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WORD pps_sizeofname; /* 40: namelength in bytes */
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BYTE pps_type; /* 42: flags, 1 storage/dir, 2 stream, 5 root */
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BYTE pps_unknown0; /* 43: unknown */
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DWORD pps_prev; /* 44: previous pps */
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DWORD pps_next; /* 48: next pps */
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DWORD pps_dir; /* 4C: directory pps */
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GUID pps_guid; /* 50: class ID */
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DWORD pps_unknown1; /* 60: unknown */
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FILETIME pps_ft1; /* 64: filetime1 */
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FILETIME pps_ft2; /* 70: filetime2 */
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DWORD pps_sb; /* 74: data startblock */
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DWORD pps_size; /* 78: datalength. (<0x1000)?small:big blocks*/
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DWORD pps_unknown2; /* 7C: unknown */
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};
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#define STORAGE_CHAINENTRY_FAT 0xfffffffd
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#define STORAGE_CHAINENTRY_ENDOFCHAIN 0xfffffffe
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#define STORAGE_CHAINENTRY_FREE 0xffffffff
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static const BYTE STORAGE_magic[8] ={0xd0,0xcf,0x11,0xe0,0xa1,0xb1,0x1a,0xe1};
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static const BYTE STORAGE_notmagic[8]={0x0e,0x11,0xfc,0x0d,0xd0,0xcf,0x11,0xe0};
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static const BYTE STORAGE_oldmagic[8]={0xd0,0xcf,0x11,0xe0,0x0e,0x11,0xfc,0x0d};
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#define BIGSIZE 512
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#define SMALLSIZE 64
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#define SMALLBLOCKS_PER_BIGBLOCK (BIGSIZE/SMALLSIZE)
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#define READ_HEADER assert(STORAGE_get_big_block(hf,-1,(LPBYTE)&sth));assert(!memcmp(STORAGE_magic,sth.magic,sizeof(STORAGE_magic)));
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static ICOM_VTABLE(IStorage16) stvt16;
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static ICOM_VTABLE(IStorage16) *segstvt16 = NULL;
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static ICOM_VTABLE(IStream16) strvt16;
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static ICOM_VTABLE(IStream16) *segstrvt16 = NULL;
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/*ULONG WINAPI IStorage16_AddRef(LPSTORAGE16 this);*/
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static void _create_istorage16(LPSTORAGE16 *stg);
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static void _create_istream16(LPSTREAM16 *str);
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#define IMPLEMENTED 1
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/******************************************************************************
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* STORAGE_get_big_block [Internal]
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*
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* Reading OLE compound storage
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*/
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static BOOL
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STORAGE_get_big_block(HFILE hf,int n,BYTE *block) {
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assert(n>=-1);
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if (-1==_llseek(hf,(n+1)*BIGSIZE,SEEK_SET)) {
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WARN(" seek failed (%ld)\n",GetLastError());
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return FALSE;
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}
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assert((n+1)*BIGSIZE==_llseek(hf,0,SEEK_CUR));
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if (BIGSIZE!=_lread(hf,block,BIGSIZE)) {
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WARN("(block size %d): read didn't read (%ld)\n",n,GetLastError());
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assert(0);
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return FALSE;
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}
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return TRUE;
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}
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/******************************************************************************
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* STORAGE_put_big_block [INTERNAL]
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*/
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static BOOL
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STORAGE_put_big_block(HFILE hf,int n,BYTE *block) {
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assert(n>=-1);
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if (-1==_llseek(hf,(n+1)*BIGSIZE,SEEK_SET)) {
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WARN(" seek failed (%ld)\n",GetLastError());
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return FALSE;
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}
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assert((n+1)*BIGSIZE==_llseek(hf,0,SEEK_CUR));
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if (BIGSIZE!=_lwrite(hf,block,BIGSIZE)) {
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WARN(" write failed (%ld)\n",GetLastError());
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return FALSE;
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}
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return TRUE;
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}
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/******************************************************************************
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* STORAGE_get_next_big_blocknr [INTERNAL]
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*/
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static int
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STORAGE_get_next_big_blocknr(HFILE hf,int blocknr) {
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INT bbs[BIGSIZE/sizeof(INT)];
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struct storage_header sth;
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READ_HEADER;
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assert(blocknr>>7<sth.num_of_bbd_blocks);
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if (sth.bbd_list[blocknr>>7]==0xffffffff)
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return -5;
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if (!STORAGE_get_big_block(hf,sth.bbd_list[blocknr>>7],(LPBYTE)bbs))
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return -5;
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assert(bbs[blocknr&0x7f]!=STORAGE_CHAINENTRY_FREE);
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return bbs[blocknr&0x7f];
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}
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/******************************************************************************
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* STORAGE_get_nth_next_big_blocknr [INTERNAL]
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*/
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static int
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STORAGE_get_nth_next_big_blocknr(HFILE hf,int blocknr,int nr) {
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INT bbs[BIGSIZE/sizeof(INT)];
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int lastblock = -1;
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struct storage_header sth;
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READ_HEADER;
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assert(blocknr>=0);
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while (nr--) {
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assert((blocknr>>7)<sth.num_of_bbd_blocks);
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assert(sth.bbd_list[blocknr>>7]!=0xffffffff);
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/* simple caching... */
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if (lastblock!=sth.bbd_list[blocknr>>7]) {
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assert(STORAGE_get_big_block(hf,sth.bbd_list[blocknr>>7],(LPBYTE)bbs));
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lastblock = sth.bbd_list[blocknr>>7];
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}
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blocknr = bbs[blocknr&0x7f];
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}
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return blocknr;
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}
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/******************************************************************************
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* STORAGE_get_root_pps_entry [Internal]
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*/
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static BOOL
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STORAGE_get_root_pps_entry(HFILE hf,struct storage_pps_entry *pstde) {
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int blocknr,i;
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BYTE block[BIGSIZE];
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struct storage_pps_entry *stde=(struct storage_pps_entry*)block;
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struct storage_header sth;
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READ_HEADER;
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blocknr = sth.root_startblock;
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while (blocknr>=0) {
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assert(STORAGE_get_big_block(hf,blocknr,block));
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for (i=0;i<4;i++) {
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if (!stde[i].pps_sizeofname)
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continue;
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if (stde[i].pps_type==5) {
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*pstde=stde[i];
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return TRUE;
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}
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}
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blocknr=STORAGE_get_next_big_blocknr(hf,blocknr);
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}
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return FALSE;
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}
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/******************************************************************************
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* STORAGE_get_small_block [INTERNAL]
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*/
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static BOOL
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STORAGE_get_small_block(HFILE hf,int blocknr,BYTE *sblock) {
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BYTE block[BIGSIZE];
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int bigblocknr;
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struct storage_pps_entry root;
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assert(blocknr>=0);
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assert(STORAGE_get_root_pps_entry(hf,&root));
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bigblocknr = STORAGE_get_nth_next_big_blocknr(hf,root.pps_sb,blocknr/SMALLBLOCKS_PER_BIGBLOCK);
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assert(bigblocknr>=0);
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assert(STORAGE_get_big_block(hf,bigblocknr,block));
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memcpy(sblock,((LPBYTE)block)+SMALLSIZE*(blocknr&(SMALLBLOCKS_PER_BIGBLOCK-1)),SMALLSIZE);
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return TRUE;
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}
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/******************************************************************************
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* STORAGE_put_small_block [INTERNAL]
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*/
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static BOOL
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STORAGE_put_small_block(HFILE hf,int blocknr,BYTE *sblock) {
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BYTE block[BIGSIZE];
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int bigblocknr;
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struct storage_pps_entry root;
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assert(blocknr>=0);
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assert(STORAGE_get_root_pps_entry(hf,&root));
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bigblocknr = STORAGE_get_nth_next_big_blocknr(hf,root.pps_sb,blocknr/SMALLBLOCKS_PER_BIGBLOCK);
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assert(bigblocknr>=0);
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assert(STORAGE_get_big_block(hf,bigblocknr,block));
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memcpy(((LPBYTE)block)+SMALLSIZE*(blocknr&(SMALLBLOCKS_PER_BIGBLOCK-1)),sblock,SMALLSIZE);
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assert(STORAGE_put_big_block(hf,bigblocknr,block));
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return TRUE;
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}
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/******************************************************************************
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* STORAGE_get_next_small_blocknr [INTERNAL]
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*/
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static int
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STORAGE_get_next_small_blocknr(HFILE hf,int blocknr) {
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BYTE block[BIGSIZE];
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LPINT sbd = (LPINT)block;
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int bigblocknr;
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struct storage_header sth;
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READ_HEADER;
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assert(blocknr>=0);
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bigblocknr = STORAGE_get_nth_next_big_blocknr(hf,sth.sbd_startblock,blocknr/128);
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assert(bigblocknr>=0);
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assert(STORAGE_get_big_block(hf,bigblocknr,block));
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assert(sbd[blocknr & 127]!=STORAGE_CHAINENTRY_FREE);
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return sbd[blocknr & (128-1)];
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}
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/******************************************************************************
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* STORAGE_get_nth_next_small_blocknr [INTERNAL]
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*/
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static int
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STORAGE_get_nth_next_small_blocknr(HFILE hf,int blocknr,int nr) {
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int lastblocknr;
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BYTE block[BIGSIZE];
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LPINT sbd = (LPINT)block;
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struct storage_header sth;
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READ_HEADER;
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lastblocknr=-1;
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assert(blocknr>=0);
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while ((nr--) && (blocknr>=0)) {
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if (lastblocknr/128!=blocknr/128) {
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int bigblocknr;
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bigblocknr = STORAGE_get_nth_next_big_blocknr(hf,sth.sbd_startblock,blocknr/128);
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assert(bigblocknr>=0);
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assert(STORAGE_get_big_block(hf,bigblocknr,block));
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lastblocknr = blocknr;
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}
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assert(lastblocknr>=0);
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lastblocknr=blocknr;
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blocknr=sbd[blocknr & (128-1)];
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assert(blocknr!=STORAGE_CHAINENTRY_FREE);
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}
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return blocknr;
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}
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/******************************************************************************
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* STORAGE_get_pps_entry [INTERNAL]
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*/
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static int
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STORAGE_get_pps_entry(HFILE hf,int n,struct storage_pps_entry *pstde) {
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int blocknr;
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BYTE block[BIGSIZE];
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struct storage_pps_entry *stde = (struct storage_pps_entry*)(((LPBYTE)block)+128*(n&3));
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struct storage_header sth;
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READ_HEADER;
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/* we have 4 pps entries per big block */
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blocknr = STORAGE_get_nth_next_big_blocknr(hf,sth.root_startblock,n/4);
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assert(blocknr>=0);
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assert(STORAGE_get_big_block(hf,blocknr,block));
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*pstde=*stde;
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return 1;
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}
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/******************************************************************************
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* STORAGE_put_pps_entry [Internal]
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*/
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static int
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STORAGE_put_pps_entry(HFILE hf,int n,struct storage_pps_entry *pstde) {
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int blocknr;
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BYTE block[BIGSIZE];
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struct storage_pps_entry *stde = (struct storage_pps_entry*)(((LPBYTE)block)+128*(n&3));
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struct storage_header sth;
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READ_HEADER;
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/* we have 4 pps entries per big block */
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blocknr = STORAGE_get_nth_next_big_blocknr(hf,sth.root_startblock,n/4);
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assert(blocknr>=0);
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assert(STORAGE_get_big_block(hf,blocknr,block));
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*stde=*pstde;
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assert(STORAGE_put_big_block(hf,blocknr,block));
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return 1;
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}
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/******************************************************************************
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* STORAGE_look_for_named_pps [Internal]
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*/
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static int
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STORAGE_look_for_named_pps(HFILE hf,int n,LPOLESTR name) {
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struct storage_pps_entry stde;
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int ret;
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if (n==-1)
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return -1;
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if (1!=STORAGE_get_pps_entry(hf,n,&stde))
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return -1;
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if (!lstrcmpW(name,stde.pps_rawname))
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return n;
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if (stde.pps_prev != -1) {
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ret=STORAGE_look_for_named_pps(hf,stde.pps_prev,name);
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if (ret!=-1)
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return ret;
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}
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if (stde.pps_next != -1) {
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ret=STORAGE_look_for_named_pps(hf,stde.pps_next,name);
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if (ret!=-1)
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return ret;
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}
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return -1;
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}
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/******************************************************************************
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* STORAGE_dump_pps_entry [Internal]
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*
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* FIXME
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* Function is unused
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*/
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void
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STORAGE_dump_pps_entry(struct storage_pps_entry *stde) {
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char name[33];
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WideCharToMultiByte( CP_ACP, 0, stde->pps_rawname, -1, name, sizeof(name), NULL, NULL);
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if (!stde->pps_sizeofname)
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return;
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DPRINTF("name: %s\n",name);
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DPRINTF("type: %d\n",stde->pps_type);
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DPRINTF("prev pps: %ld\n",stde->pps_prev);
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DPRINTF("next pps: %ld\n",stde->pps_next);
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DPRINTF("dir pps: %ld\n",stde->pps_dir);
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DPRINTF("guid: %s\n",debugstr_guid(&(stde->pps_guid)));
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if (stde->pps_type !=2) {
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time_t t;
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DWORD dw;
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RtlTimeToSecondsSince1970(&(stde->pps_ft1),&dw);
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t = dw;
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DPRINTF("ts1: %s\n",ctime(&t));
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RtlTimeToSecondsSince1970(&(stde->pps_ft2),&dw);
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t = dw;
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DPRINTF("ts2: %s\n",ctime(&t));
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}
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DPRINTF("startblock: %ld\n",stde->pps_sb);
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DPRINTF("size: %ld\n",stde->pps_size);
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}
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/******************************************************************************
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* STORAGE_init_storage [INTERNAL]
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*/
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static BOOL
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STORAGE_init_storage(HFILE hf) {
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BYTE block[BIGSIZE];
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LPDWORD bbs;
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struct storage_header *sth;
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struct storage_pps_entry *stde;
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assert(-1!=_llseek(hf,0,SEEK_SET));
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/* block -1 is the storage header */
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sth = (struct storage_header*)block;
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memcpy(sth->magic,STORAGE_magic,8);
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memset(sth->unknown1,0,sizeof(sth->unknown1));
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memset(sth->unknown2,0,sizeof(sth->unknown2));
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memset(sth->unknown3,0,sizeof(sth->unknown3));
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sth->num_of_bbd_blocks = 1;
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sth->root_startblock = 1;
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sth->sbd_startblock = 0xffffffff;
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memset(sth->bbd_list,0xff,sizeof(sth->bbd_list));
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sth->bbd_list[0] = 0;
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assert(BIGSIZE==_lwrite(hf,block,BIGSIZE));
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/* block 0 is the big block directory */
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bbs=(LPDWORD)block;
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memset(block,0xff,sizeof(block)); /* mark all blocks as free */
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bbs[0]=STORAGE_CHAINENTRY_ENDOFCHAIN; /* for this block */
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bbs[1]=STORAGE_CHAINENTRY_ENDOFCHAIN; /* for directory entry */
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assert(BIGSIZE==_lwrite(hf,block,BIGSIZE));
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/* block 1 is the root directory entry */
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memset(block,0x00,sizeof(block));
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stde = (struct storage_pps_entry*)block;
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MultiByteToWideChar( CP_ACP, 0, "RootEntry", -1, stde->pps_rawname,
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sizeof(stde->pps_rawname)/sizeof(WCHAR));
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stde->pps_sizeofname = (strlenW(stde->pps_rawname)+1) * sizeof(WCHAR);
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stde->pps_type = 5;
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stde->pps_dir = -1;
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stde->pps_next = -1;
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stde->pps_prev = -1;
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stde->pps_sb = 0xffffffff;
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stde->pps_size = 0;
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assert(BIGSIZE==_lwrite(hf,block,BIGSIZE));
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return TRUE;
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}
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/******************************************************************************
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* STORAGE_set_big_chain [Internal]
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*/
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static BOOL
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STORAGE_set_big_chain(HFILE hf,int blocknr,INT type) {
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BYTE block[BIGSIZE];
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LPINT bbd = (LPINT)block;
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int nextblocknr,bigblocknr;
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struct storage_header sth;
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READ_HEADER;
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assert(blocknr!=type);
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while (blocknr>=0) {
|
|
bigblocknr = sth.bbd_list[blocknr/128];
|
|
assert(bigblocknr>=0);
|
|
assert(STORAGE_get_big_block(hf,bigblocknr,block));
|
|
|
|
nextblocknr = bbd[blocknr&(128-1)];
|
|
bbd[blocknr&(128-1)] = type;
|
|
if (type>=0)
|
|
return TRUE;
|
|
assert(STORAGE_put_big_block(hf,bigblocknr,block));
|
|
type = STORAGE_CHAINENTRY_FREE;
|
|
blocknr = nextblocknr;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* STORAGE_set_small_chain [Internal]
|
|
*/
|
|
static BOOL
|
|
STORAGE_set_small_chain(HFILE hf,int blocknr,INT type) {
|
|
BYTE block[BIGSIZE];
|
|
LPINT sbd = (LPINT)block;
|
|
int lastblocknr,nextsmallblocknr,bigblocknr;
|
|
struct storage_header sth;
|
|
|
|
READ_HEADER;
|
|
|
|
assert(blocknr!=type);
|
|
lastblocknr=-129;bigblocknr=-2;
|
|
while (blocknr>=0) {
|
|
/* cache block ... */
|
|
if (lastblocknr/128!=blocknr/128) {
|
|
bigblocknr = STORAGE_get_nth_next_big_blocknr(hf,sth.sbd_startblock,blocknr/128);
|
|
assert(bigblocknr>=0);
|
|
assert(STORAGE_get_big_block(hf,bigblocknr,block));
|
|
}
|
|
lastblocknr = blocknr;
|
|
nextsmallblocknr = sbd[blocknr&(128-1)];
|
|
sbd[blocknr&(128-1)] = type;
|
|
assert(STORAGE_put_big_block(hf,bigblocknr,block));
|
|
if (type>=0)
|
|
return TRUE;
|
|
type = STORAGE_CHAINENTRY_FREE;
|
|
blocknr = nextsmallblocknr;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* STORAGE_get_free_big_blocknr [Internal]
|
|
*/
|
|
static int
|
|
STORAGE_get_free_big_blocknr(HFILE hf) {
|
|
BYTE block[BIGSIZE];
|
|
LPINT sbd = (LPINT)block;
|
|
int lastbigblocknr,i,curblock,bigblocknr;
|
|
struct storage_header sth;
|
|
|
|
READ_HEADER;
|
|
curblock = 0;
|
|
lastbigblocknr = -1;
|
|
bigblocknr = sth.bbd_list[curblock];
|
|
while (curblock<sth.num_of_bbd_blocks) {
|
|
assert(bigblocknr>=0);
|
|
assert(STORAGE_get_big_block(hf,bigblocknr,block));
|
|
for (i=0;i<128;i++)
|
|
if (sbd[i]==STORAGE_CHAINENTRY_FREE) {
|
|
sbd[i] = STORAGE_CHAINENTRY_ENDOFCHAIN;
|
|
assert(STORAGE_put_big_block(hf,bigblocknr,block));
|
|
memset(block,0x42,sizeof(block));
|
|
assert(STORAGE_put_big_block(hf,i+curblock*128,block));
|
|
return i+curblock*128;
|
|
}
|
|
lastbigblocknr = bigblocknr;
|
|
bigblocknr = sth.bbd_list[++curblock];
|
|
}
|
|
bigblocknr = curblock*128;
|
|
/* since we have marked all blocks from 0 up to curblock*128-1
|
|
* the next free one is curblock*128, where we happily put our
|
|
* next large block depot.
|
|
*/
|
|
memset(block,0xff,sizeof(block));
|
|
/* mark the block allocated and returned by this function */
|
|
sbd[1] = STORAGE_CHAINENTRY_ENDOFCHAIN;
|
|
assert(STORAGE_put_big_block(hf,bigblocknr,block));
|
|
|
|
/* if we had a bbd block already (mostlikely) we need
|
|
* to link the new one into the chain
|
|
*/
|
|
if (lastbigblocknr!=-1)
|
|
assert(STORAGE_set_big_chain(hf,lastbigblocknr,bigblocknr));
|
|
sth.bbd_list[curblock]=bigblocknr;
|
|
sth.num_of_bbd_blocks++;
|
|
assert(sth.num_of_bbd_blocks==curblock+1);
|
|
assert(STORAGE_put_big_block(hf,-1,(LPBYTE)&sth));
|
|
|
|
/* Set the end of the chain for the bigblockdepots */
|
|
assert(STORAGE_set_big_chain(hf,bigblocknr,STORAGE_CHAINENTRY_ENDOFCHAIN));
|
|
/* add 1, for the first entry is used for the additional big block
|
|
* depot. (means we already used bigblocknr) */
|
|
memset(block,0x42,sizeof(block));
|
|
/* allocate this block (filled with 0x42) */
|
|
assert(STORAGE_put_big_block(hf,bigblocknr+1,block));
|
|
return bigblocknr+1;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* STORAGE_get_free_small_blocknr [Internal]
|
|
*/
|
|
static int
|
|
STORAGE_get_free_small_blocknr(HFILE hf) {
|
|
BYTE block[BIGSIZE];
|
|
LPINT sbd = (LPINT)block;
|
|
int lastbigblocknr,newblocknr,i,curblock,bigblocknr;
|
|
struct storage_pps_entry root;
|
|
struct storage_header sth;
|
|
|
|
READ_HEADER;
|
|
bigblocknr = sth.sbd_startblock;
|
|
curblock = 0;
|
|
lastbigblocknr = -1;
|
|
newblocknr = -1;
|
|
while (bigblocknr>=0) {
|
|
if (!STORAGE_get_big_block(hf,bigblocknr,block))
|
|
return -1;
|
|
for (i=0;i<128;i++)
|
|
if (sbd[i]==STORAGE_CHAINENTRY_FREE) {
|
|
sbd[i]=STORAGE_CHAINENTRY_ENDOFCHAIN;
|
|
newblocknr = i+curblock*128;
|
|
break;
|
|
}
|
|
if (i!=128)
|
|
break;
|
|
lastbigblocknr = bigblocknr;
|
|
bigblocknr = STORAGE_get_next_big_blocknr(hf,bigblocknr);
|
|
curblock++;
|
|
}
|
|
if (newblocknr==-1) {
|
|
bigblocknr = STORAGE_get_free_big_blocknr(hf);
|
|
if (bigblocknr<0)
|
|
return -1;
|
|
READ_HEADER;
|
|
memset(block,0xff,sizeof(block));
|
|
sbd[0]=STORAGE_CHAINENTRY_ENDOFCHAIN;
|
|
if (!STORAGE_put_big_block(hf,bigblocknr,block))
|
|
return -1;
|
|
if (lastbigblocknr==-1) {
|
|
sth.sbd_startblock = bigblocknr;
|
|
if (!STORAGE_put_big_block(hf,-1,(LPBYTE)&sth)) /* need to write it */
|
|
return -1;
|
|
} else {
|
|
if (!STORAGE_set_big_chain(hf,lastbigblocknr,bigblocknr))
|
|
return -1;
|
|
}
|
|
if (!STORAGE_set_big_chain(hf,bigblocknr,STORAGE_CHAINENTRY_ENDOFCHAIN))
|
|
return -1;
|
|
newblocknr = curblock*128;
|
|
}
|
|
/* allocate enough big blocks for storing the allocated small block */
|
|
if (!STORAGE_get_root_pps_entry(hf,&root))
|
|
return -1;
|
|
if (root.pps_sb==-1)
|
|
lastbigblocknr = -1;
|
|
else
|
|
lastbigblocknr = STORAGE_get_nth_next_big_blocknr(hf,root.pps_sb,(root.pps_size-1)/BIGSIZE);
|
|
while (root.pps_size < (newblocknr*SMALLSIZE+SMALLSIZE-1)) {
|
|
/* we need to allocate more stuff */
|
|
bigblocknr = STORAGE_get_free_big_blocknr(hf);
|
|
if (bigblocknr<0)
|
|
return -1;
|
|
READ_HEADER;
|
|
if (root.pps_sb==-1) {
|
|
root.pps_sb = bigblocknr;
|
|
root.pps_size += BIGSIZE;
|
|
} else {
|
|
if (!STORAGE_set_big_chain(hf,lastbigblocknr,bigblocknr))
|
|
return -1;
|
|
root.pps_size += BIGSIZE;
|
|
}
|
|
lastbigblocknr = bigblocknr;
|
|
}
|
|
if (!STORAGE_set_big_chain(hf,lastbigblocknr,STORAGE_CHAINENTRY_ENDOFCHAIN))
|
|
return -1;
|
|
if (!STORAGE_put_pps_entry(hf,0,&root))
|
|
return -1;
|
|
return newblocknr;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* STORAGE_get_free_pps_entry [Internal]
|
|
*/
|
|
static int
|
|
STORAGE_get_free_pps_entry(HFILE hf) {
|
|
int blocknr,i,curblock,lastblocknr;
|
|
BYTE block[BIGSIZE];
|
|
struct storage_pps_entry *stde = (struct storage_pps_entry*)block;
|
|
struct storage_header sth;
|
|
|
|
READ_HEADER;
|
|
blocknr = sth.root_startblock;
|
|
assert(blocknr>=0);
|
|
curblock=0;
|
|
while (blocknr>=0) {
|
|
if (!STORAGE_get_big_block(hf,blocknr,block))
|
|
return -1;
|
|
for (i=0;i<4;i++)
|
|
if (stde[i].pps_sizeofname==0) /* free */
|
|
return curblock*4+i;
|
|
lastblocknr = blocknr;
|
|
blocknr = STORAGE_get_next_big_blocknr(hf,blocknr);
|
|
curblock++;
|
|
}
|
|
assert(blocknr==STORAGE_CHAINENTRY_ENDOFCHAIN);
|
|
blocknr = STORAGE_get_free_big_blocknr(hf);
|
|
/* sth invalidated */
|
|
if (blocknr<0)
|
|
return -1;
|
|
|
|
if (!STORAGE_set_big_chain(hf,lastblocknr,blocknr))
|
|
return -1;
|
|
if (!STORAGE_set_big_chain(hf,blocknr,STORAGE_CHAINENTRY_ENDOFCHAIN))
|
|
return -1;
|
|
memset(block,0,sizeof(block));
|
|
STORAGE_put_big_block(hf,blocknr,block);
|
|
return curblock*4;
|
|
}
|
|
|
|
/* --- IStream16 implementation */
|
|
|
|
typedef struct
|
|
{
|
|
/* IUnknown fields */
|
|
ICOM_VFIELD(IStream16);
|
|
DWORD ref;
|
|
/* IStream16 fields */
|
|
SEGPTR thisptr; /* pointer to this struct as segmented */
|
|
struct storage_pps_entry stde;
|
|
int ppsent;
|
|
HFILE hf;
|
|
ULARGE_INTEGER offset;
|
|
} IStream16Impl;
|
|
|
|
/******************************************************************************
|
|
* IStream16_QueryInterface [STORAGE.518]
|
|
*/
|
|
HRESULT WINAPI IStream16_fnQueryInterface(
|
|
IStream16* iface,REFIID refiid,LPVOID *obj
|
|
) {
|
|
ICOM_THIS(IStream16Impl,iface);
|
|
TRACE_(relay)("(%p)->(%s,%p)\n",This,debugstr_guid(refiid),obj);
|
|
if (!memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown))) {
|
|
*obj = This;
|
|
return 0;
|
|
}
|
|
return OLE_E_ENUM_NOMORE;
|
|
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStream16_AddRef [STORAGE.519]
|
|
*/
|
|
ULONG WINAPI IStream16_fnAddRef(IStream16* iface) {
|
|
ICOM_THIS(IStream16Impl,iface);
|
|
return ++(This->ref);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStream16_Release [STORAGE.520]
|
|
*/
|
|
ULONG WINAPI IStream16_fnRelease(IStream16* iface) {
|
|
ICOM_THIS(IStream16Impl,iface);
|
|
FlushFileBuffers(This->hf);
|
|
This->ref--;
|
|
if (!This->ref) {
|
|
CloseHandle(This->hf);
|
|
UnMapLS( This->thisptr );
|
|
HeapFree( GetProcessHeap(), 0, This );
|
|
return 0;
|
|
}
|
|
return This->ref;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStream16_Seek [STORAGE.523]
|
|
*
|
|
* FIXME
|
|
* Does not handle 64 bits
|
|
*/
|
|
HRESULT WINAPI IStream16_fnSeek(
|
|
IStream16* iface,LARGE_INTEGER offset,DWORD whence,ULARGE_INTEGER *newpos
|
|
) {
|
|
ICOM_THIS(IStream16Impl,iface);
|
|
TRACE_(relay)("(%p)->([%ld.%ld],%ld,%p)\n",This,offset.s.HighPart,offset.s.LowPart,whence,newpos);
|
|
|
|
switch (whence) {
|
|
/* unix SEEK_xx should be the same as win95 ones */
|
|
case SEEK_SET:
|
|
/* offset must be ==0 (<0 is invalid, and >0 cannot be handled
|
|
* right now.
|
|
*/
|
|
assert(offset.s.HighPart==0);
|
|
This->offset.s.HighPart = offset.s.HighPart;
|
|
This->offset.s.LowPart = offset.s.LowPart;
|
|
break;
|
|
case SEEK_CUR:
|
|
if (offset.s.HighPart < 0) {
|
|
/* FIXME: is this negation correct ? */
|
|
offset.s.HighPart = -offset.s.HighPart;
|
|
offset.s.LowPart = (0xffffffff ^ offset.s.LowPart)+1;
|
|
|
|
assert(offset.s.HighPart==0);
|
|
assert(This->offset.s.LowPart >= offset.s.LowPart);
|
|
This->offset.s.LowPart -= offset.s.LowPart;
|
|
} else {
|
|
assert(offset.s.HighPart==0);
|
|
This->offset.s.LowPart+= offset.s.LowPart;
|
|
}
|
|
break;
|
|
case SEEK_END:
|
|
assert(offset.s.HighPart==0);
|
|
This->offset.s.LowPart = This->stde.pps_size-offset.s.LowPart;
|
|
break;
|
|
}
|
|
if (This->offset.s.LowPart>This->stde.pps_size)
|
|
This->offset.s.LowPart=This->stde.pps_size;
|
|
if (newpos) *newpos = This->offset;
|
|
return S_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStream16_Read [STORAGE.521]
|
|
*/
|
|
HRESULT WINAPI IStream16_fnRead(
|
|
IStream16* iface,void *pv,ULONG cb,ULONG *pcbRead
|
|
) {
|
|
ICOM_THIS(IStream16Impl,iface);
|
|
BYTE block[BIGSIZE];
|
|
ULONG *bytesread=pcbRead,xxread;
|
|
int blocknr;
|
|
|
|
TRACE_(relay)("(%p)->(%p,%ld,%p)\n",This,pv,cb,pcbRead);
|
|
if (!pcbRead) bytesread=&xxread;
|
|
*bytesread = 0;
|
|
|
|
if (cb>This->stde.pps_size-This->offset.s.LowPart)
|
|
cb=This->stde.pps_size-This->offset.s.LowPart;
|
|
if (This->stde.pps_size < 0x1000) {
|
|
/* use small block reader */
|
|
blocknr = STORAGE_get_nth_next_small_blocknr(This->hf,This->stde.pps_sb,This->offset.s.LowPart/SMALLSIZE);
|
|
while (cb) {
|
|
int cc;
|
|
|
|
if (!STORAGE_get_small_block(This->hf,blocknr,block)) {
|
|
WARN("small block read failed!!!\n");
|
|
return E_FAIL;
|
|
}
|
|
cc = cb;
|
|
if (cc>SMALLSIZE-(This->offset.s.LowPart&(SMALLSIZE-1)))
|
|
cc=SMALLSIZE-(This->offset.s.LowPart&(SMALLSIZE-1));
|
|
memcpy((LPBYTE)pv,block+(This->offset.s.LowPart&(SMALLSIZE-1)),cc);
|
|
This->offset.s.LowPart+=cc;
|
|
(LPBYTE)pv+=cc;
|
|
*bytesread+=cc;
|
|
cb-=cc;
|
|
blocknr = STORAGE_get_next_small_blocknr(This->hf,blocknr);
|
|
}
|
|
} else {
|
|
/* use big block reader */
|
|
blocknr = STORAGE_get_nth_next_big_blocknr(This->hf,This->stde.pps_sb,This->offset.s.LowPart/BIGSIZE);
|
|
while (cb) {
|
|
int cc;
|
|
|
|
if (!STORAGE_get_big_block(This->hf,blocknr,block)) {
|
|
WARN("big block read failed!!!\n");
|
|
return E_FAIL;
|
|
}
|
|
cc = cb;
|
|
if (cc>BIGSIZE-(This->offset.s.LowPart&(BIGSIZE-1)))
|
|
cc=BIGSIZE-(This->offset.s.LowPart&(BIGSIZE-1));
|
|
memcpy((LPBYTE)pv,block+(This->offset.s.LowPart&(BIGSIZE-1)),cc);
|
|
This->offset.s.LowPart+=cc;
|
|
(LPBYTE)pv+=cc;
|
|
*bytesread+=cc;
|
|
cb-=cc;
|
|
blocknr=STORAGE_get_next_big_blocknr(This->hf,blocknr);
|
|
}
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStream16_Write [STORAGE.522]
|
|
*/
|
|
HRESULT WINAPI IStream16_fnWrite(
|
|
IStream16* iface,const void *pv,ULONG cb,ULONG *pcbWrite
|
|
) {
|
|
ICOM_THIS(IStream16Impl,iface);
|
|
BYTE block[BIGSIZE];
|
|
ULONG *byteswritten=pcbWrite,xxwritten;
|
|
int oldsize,newsize,i,curoffset=0,lastblocknr,blocknr,cc;
|
|
HFILE hf = This->hf;
|
|
|
|
if (!pcbWrite) byteswritten=&xxwritten;
|
|
*byteswritten = 0;
|
|
|
|
TRACE_(relay)("(%p)->(%p,%ld,%p)\n",This,pv,cb,pcbWrite);
|
|
/* do we need to junk some blocks? */
|
|
newsize = This->offset.s.LowPart+cb;
|
|
oldsize = This->stde.pps_size;
|
|
if (newsize < oldsize) {
|
|
if (oldsize < 0x1000) {
|
|
/* only small blocks */
|
|
blocknr=STORAGE_get_nth_next_small_blocknr(hf,This->stde.pps_sb,newsize/SMALLSIZE);
|
|
|
|
assert(blocknr>=0);
|
|
|
|
/* will set the rest of the chain to 'free' */
|
|
if (!STORAGE_set_small_chain(hf,blocknr,STORAGE_CHAINENTRY_ENDOFCHAIN))
|
|
return E_FAIL;
|
|
} else {
|
|
if (newsize >= 0x1000) {
|
|
blocknr=STORAGE_get_nth_next_big_blocknr(hf,This->stde.pps_sb,newsize/BIGSIZE);
|
|
assert(blocknr>=0);
|
|
|
|
/* will set the rest of the chain to 'free' */
|
|
if (!STORAGE_set_big_chain(hf,blocknr,STORAGE_CHAINENTRY_ENDOFCHAIN))
|
|
return E_FAIL;
|
|
} else {
|
|
/* Migrate large blocks to small blocks
|
|
* (we just migrate newsize bytes)
|
|
*/
|
|
LPBYTE curdata,data = HeapAlloc(GetProcessHeap(),0,newsize+BIGSIZE);
|
|
cc = newsize;
|
|
blocknr = This->stde.pps_sb;
|
|
curdata = data;
|
|
while (cc>0) {
|
|
if (!STORAGE_get_big_block(hf,blocknr,curdata)) {
|
|
HeapFree(GetProcessHeap(),0,data);
|
|
return E_FAIL;
|
|
}
|
|
curdata += BIGSIZE;
|
|
cc -= BIGSIZE;
|
|
blocknr = STORAGE_get_next_big_blocknr(hf,blocknr);
|
|
}
|
|
/* frees complete chain for this stream */
|
|
if (!STORAGE_set_big_chain(hf,This->stde.pps_sb,STORAGE_CHAINENTRY_FREE))
|
|
return E_FAIL;
|
|
curdata = data;
|
|
blocknr = This->stde.pps_sb = STORAGE_get_free_small_blocknr(hf);
|
|
if (blocknr<0)
|
|
return E_FAIL;
|
|
cc = newsize;
|
|
while (cc>0) {
|
|
if (!STORAGE_put_small_block(hf,blocknr,curdata))
|
|
return E_FAIL;
|
|
cc -= SMALLSIZE;
|
|
if (cc<=0) {
|
|
if (!STORAGE_set_small_chain(hf,blocknr,STORAGE_CHAINENTRY_ENDOFCHAIN))
|
|
return E_FAIL;
|
|
break;
|
|
} else {
|
|
int newblocknr = STORAGE_get_free_small_blocknr(hf);
|
|
if (newblocknr<0)
|
|
return E_FAIL;
|
|
if (!STORAGE_set_small_chain(hf,blocknr,newblocknr))
|
|
return E_FAIL;
|
|
blocknr = newblocknr;
|
|
}
|
|
curdata += SMALLSIZE;
|
|
}
|
|
HeapFree(GetProcessHeap(),0,data);
|
|
}
|
|
}
|
|
This->stde.pps_size = newsize;
|
|
}
|
|
|
|
if (newsize > oldsize) {
|
|
if (oldsize >= 0x1000) {
|
|
/* should return the block right before the 'endofchain' */
|
|
blocknr = STORAGE_get_nth_next_big_blocknr(hf,This->stde.pps_sb,This->stde.pps_size/BIGSIZE);
|
|
assert(blocknr>=0);
|
|
lastblocknr = blocknr;
|
|
for (i=oldsize/BIGSIZE;i<newsize/BIGSIZE;i++) {
|
|
blocknr = STORAGE_get_free_big_blocknr(hf);
|
|
if (blocknr<0)
|
|
return E_FAIL;
|
|
if (!STORAGE_set_big_chain(hf,lastblocknr,blocknr))
|
|
return E_FAIL;
|
|
lastblocknr = blocknr;
|
|
}
|
|
if (!STORAGE_set_big_chain(hf,blocknr,STORAGE_CHAINENTRY_ENDOFCHAIN))
|
|
return E_FAIL;
|
|
} else {
|
|
if (newsize < 0x1000) {
|
|
/* find startblock */
|
|
if (!oldsize)
|
|
This->stde.pps_sb = blocknr = STORAGE_get_free_small_blocknr(hf);
|
|
else
|
|
blocknr = STORAGE_get_nth_next_small_blocknr(hf,This->stde.pps_sb,This->stde.pps_size/SMALLSIZE);
|
|
if (blocknr<0)
|
|
return E_FAIL;
|
|
|
|
/* allocate required new small blocks */
|
|
lastblocknr = blocknr;
|
|
for (i=oldsize/SMALLSIZE;i<newsize/SMALLSIZE;i++) {
|
|
blocknr = STORAGE_get_free_small_blocknr(hf);
|
|
if (blocknr<0)
|
|
return E_FAIL;
|
|
if (!STORAGE_set_small_chain(hf,lastblocknr,blocknr))
|
|
return E_FAIL;
|
|
lastblocknr = blocknr;
|
|
}
|
|
/* and terminate the chain */
|
|
if (!STORAGE_set_small_chain(hf,lastblocknr,STORAGE_CHAINENTRY_ENDOFCHAIN))
|
|
return E_FAIL;
|
|
} else {
|
|
if (!oldsize) {
|
|
/* no single block allocated yet */
|
|
blocknr=STORAGE_get_free_big_blocknr(hf);
|
|
if (blocknr<0)
|
|
return E_FAIL;
|
|
This->stde.pps_sb = blocknr;
|
|
} else {
|
|
/* Migrate small blocks to big blocks */
|
|
LPBYTE curdata,data = HeapAlloc(GetProcessHeap(),0,oldsize+BIGSIZE);
|
|
cc = oldsize;
|
|
blocknr = This->stde.pps_sb;
|
|
curdata = data;
|
|
/* slurp in */
|
|
while (cc>0) {
|
|
if (!STORAGE_get_small_block(hf,blocknr,curdata)) {
|
|
HeapFree(GetProcessHeap(),0,data);
|
|
return E_FAIL;
|
|
}
|
|
curdata += SMALLSIZE;
|
|
cc -= SMALLSIZE;
|
|
blocknr = STORAGE_get_next_small_blocknr(hf,blocknr);
|
|
}
|
|
/* free small block chain */
|
|
if (!STORAGE_set_small_chain(hf,This->stde.pps_sb,STORAGE_CHAINENTRY_FREE))
|
|
return E_FAIL;
|
|
curdata = data;
|
|
blocknr = This->stde.pps_sb = STORAGE_get_free_big_blocknr(hf);
|
|
if (blocknr<0)
|
|
return E_FAIL;
|
|
/* put the data into the big blocks */
|
|
cc = This->stde.pps_size;
|
|
while (cc>0) {
|
|
if (!STORAGE_put_big_block(hf,blocknr,curdata))
|
|
return E_FAIL;
|
|
cc -= BIGSIZE;
|
|
if (cc<=0) {
|
|
if (!STORAGE_set_big_chain(hf,blocknr,STORAGE_CHAINENTRY_ENDOFCHAIN))
|
|
return E_FAIL;
|
|
break;
|
|
} else {
|
|
int newblocknr = STORAGE_get_free_big_blocknr(hf);
|
|
if (newblocknr<0)
|
|
return E_FAIL;
|
|
if (!STORAGE_set_big_chain(hf,blocknr,newblocknr))
|
|
return E_FAIL;
|
|
blocknr = newblocknr;
|
|
}
|
|
curdata += BIGSIZE;
|
|
}
|
|
HeapFree(GetProcessHeap(),0,data);
|
|
}
|
|
/* generate big blocks to fit the new data */
|
|
lastblocknr = blocknr;
|
|
for (i=oldsize/BIGSIZE;i<newsize/BIGSIZE;i++) {
|
|
blocknr = STORAGE_get_free_big_blocknr(hf);
|
|
if (blocknr<0)
|
|
return E_FAIL;
|
|
if (!STORAGE_set_big_chain(hf,lastblocknr,blocknr))
|
|
return E_FAIL;
|
|
lastblocknr = blocknr;
|
|
}
|
|
/* terminate chain */
|
|
if (!STORAGE_set_big_chain(hf,lastblocknr,STORAGE_CHAINENTRY_ENDOFCHAIN))
|
|
return E_FAIL;
|
|
}
|
|
}
|
|
This->stde.pps_size = newsize;
|
|
}
|
|
|
|
/* There are just some cases where we didn't modify it, we write it out
|
|
* everytime
|
|
*/
|
|
if (!STORAGE_put_pps_entry(hf,This->ppsent,&(This->stde)))
|
|
return E_FAIL;
|
|
|
|
/* finally the write pass */
|
|
if (This->stde.pps_size < 0x1000) {
|
|
blocknr = STORAGE_get_nth_next_small_blocknr(hf,This->stde.pps_sb,This->offset.s.LowPart/SMALLSIZE);
|
|
assert(blocknr>=0);
|
|
while (cb>0) {
|
|
/* we ensured that it is allocated above */
|
|
assert(blocknr>=0);
|
|
/* Read old block everytime, since we can have
|
|
* overlapping data at START and END of the write
|
|
*/
|
|
if (!STORAGE_get_small_block(hf,blocknr,block))
|
|
return E_FAIL;
|
|
|
|
cc = SMALLSIZE-(This->offset.s.LowPart&(SMALLSIZE-1));
|
|
if (cc>cb)
|
|
cc=cb;
|
|
memcpy( ((LPBYTE)block)+(This->offset.s.LowPart&(SMALLSIZE-1)),
|
|
(LPBYTE)((char *) pv+curoffset),
|
|
cc
|
|
);
|
|
if (!STORAGE_put_small_block(hf,blocknr,block))
|
|
return E_FAIL;
|
|
cb -= cc;
|
|
curoffset += cc;
|
|
(LPBYTE)pv += cc;
|
|
This->offset.s.LowPart += cc;
|
|
*byteswritten += cc;
|
|
blocknr = STORAGE_get_next_small_blocknr(hf,blocknr);
|
|
}
|
|
} else {
|
|
blocknr = STORAGE_get_nth_next_big_blocknr(hf,This->stde.pps_sb,This->offset.s.LowPart/BIGSIZE);
|
|
assert(blocknr>=0);
|
|
while (cb>0) {
|
|
/* we ensured that it is allocated above, so it better is */
|
|
assert(blocknr>=0);
|
|
/* read old block everytime, since we can have
|
|
* overlapping data at START and END of the write
|
|
*/
|
|
if (!STORAGE_get_big_block(hf,blocknr,block))
|
|
return E_FAIL;
|
|
|
|
cc = BIGSIZE-(This->offset.s.LowPart&(BIGSIZE-1));
|
|
if (cc>cb)
|
|
cc=cb;
|
|
memcpy( ((LPBYTE)block)+(This->offset.s.LowPart&(BIGSIZE-1)),
|
|
(LPBYTE)((char *) pv+curoffset),
|
|
cc
|
|
);
|
|
if (!STORAGE_put_big_block(hf,blocknr,block))
|
|
return E_FAIL;
|
|
cb -= cc;
|
|
curoffset += cc;
|
|
(LPBYTE)pv += cc;
|
|
This->offset.s.LowPart += cc;
|
|
*byteswritten += cc;
|
|
blocknr = STORAGE_get_next_big_blocknr(hf,blocknr);
|
|
}
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* _create_istream16 [Internal]
|
|
*/
|
|
static void _create_istream16(LPSTREAM16 *str) {
|
|
IStream16Impl* lpst;
|
|
|
|
if (!strvt16.QueryInterface) {
|
|
HMODULE16 wp = GetModuleHandle16("STORAGE");
|
|
if (wp>=32) {
|
|
/* FIXME: what is This GetProcAddress16. Should the name be IStream16_QueryInterface of IStream16_fnQueryInterface */
|
|
#define VTENT(xfn) strvt16.xfn = (void*)GetProcAddress16(wp,"IStream16_"#xfn);assert(strvt16.xfn)
|
|
VTENT(QueryInterface);
|
|
VTENT(AddRef);
|
|
VTENT(Release);
|
|
VTENT(Read);
|
|
VTENT(Write);
|
|
VTENT(Seek);
|
|
VTENT(SetSize);
|
|
VTENT(CopyTo);
|
|
VTENT(Commit);
|
|
VTENT(Revert);
|
|
VTENT(LockRegion);
|
|
VTENT(UnlockRegion);
|
|
VTENT(Stat);
|
|
VTENT(Clone);
|
|
#undef VTENT
|
|
segstrvt16 = (ICOM_VTABLE(IStream16)*)MapLS( &strvt16 );
|
|
} else {
|
|
#define VTENT(xfn) strvt16.xfn = IStream16_fn##xfn;
|
|
VTENT(QueryInterface);
|
|
VTENT(AddRef);
|
|
VTENT(Release);
|
|
VTENT(Read);
|
|
VTENT(Write);
|
|
VTENT(Seek);
|
|
/*
|
|
VTENT(CopyTo);
|
|
VTENT(Commit);
|
|
VTENT(SetSize);
|
|
VTENT(Revert);
|
|
VTENT(LockRegion);
|
|
VTENT(UnlockRegion);
|
|
VTENT(Stat);
|
|
VTENT(Clone);
|
|
*/
|
|
#undef VTENT
|
|
segstrvt16 = &strvt16;
|
|
}
|
|
}
|
|
lpst = HeapAlloc( GetProcessHeap(), 0, sizeof(*lpst) );
|
|
ICOM_VTBL(lpst) = segstrvt16;
|
|
lpst->ref = 1;
|
|
lpst->thisptr = MapLS( lpst );
|
|
*str = (void*)lpst->thisptr;
|
|
}
|
|
|
|
|
|
/* --- IStream32 implementation */
|
|
|
|
typedef struct
|
|
{
|
|
/* IUnknown fields */
|
|
ICOM_VFIELD(IStream);
|
|
DWORD ref;
|
|
/* IStream32 fields */
|
|
struct storage_pps_entry stde;
|
|
int ppsent;
|
|
HFILE hf;
|
|
ULARGE_INTEGER offset;
|
|
} IStream32Impl;
|
|
|
|
/*****************************************************************************
|
|
* IStream32_QueryInterface [VTABLE]
|
|
*/
|
|
HRESULT WINAPI IStream_fnQueryInterface(
|
|
IStream* iface,REFIID refiid,LPVOID *obj
|
|
) {
|
|
ICOM_THIS(IStream32Impl,iface);
|
|
|
|
TRACE_(relay)("(%p)->(%s,%p)\n",This,debugstr_guid(refiid),obj);
|
|
if (!memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown))) {
|
|
*obj = This;
|
|
return 0;
|
|
}
|
|
return OLE_E_ENUM_NOMORE;
|
|
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStream32_AddRef [VTABLE]
|
|
*/
|
|
ULONG WINAPI IStream_fnAddRef(IStream* iface) {
|
|
ICOM_THIS(IStream32Impl,iface);
|
|
return ++(This->ref);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStream32_Release [VTABLE]
|
|
*/
|
|
ULONG WINAPI IStream_fnRelease(IStream* iface) {
|
|
ICOM_THIS(IStream32Impl,iface);
|
|
FlushFileBuffers(This->hf);
|
|
This->ref--;
|
|
if (!This->ref) {
|
|
CloseHandle(This->hf);
|
|
HeapFree( GetProcessHeap(), 0, This );
|
|
return 0;
|
|
}
|
|
return This->ref;
|
|
}
|
|
|
|
/* --- IStorage16 implementation */
|
|
|
|
typedef struct
|
|
{
|
|
/* IUnknown fields */
|
|
ICOM_VFIELD(IStorage16);
|
|
DWORD ref;
|
|
/* IStorage16 fields */
|
|
SEGPTR thisptr; /* pointer to this struct as segmented */
|
|
struct storage_pps_entry stde;
|
|
int ppsent;
|
|
HFILE hf;
|
|
} IStorage16Impl;
|
|
|
|
/******************************************************************************
|
|
* IStorage16_QueryInterface [STORAGE.500]
|
|
*/
|
|
HRESULT WINAPI IStorage16_fnQueryInterface(
|
|
IStorage16* iface,REFIID refiid,LPVOID *obj
|
|
) {
|
|
ICOM_THIS(IStorage16Impl,iface);
|
|
|
|
TRACE_(relay)("(%p)->(%s,%p)\n",This,debugstr_guid(refiid),obj);
|
|
|
|
if (!memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown))) {
|
|
*obj = This;
|
|
return 0;
|
|
}
|
|
return OLE_E_ENUM_NOMORE;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStorage16_AddRef [STORAGE.501]
|
|
*/
|
|
ULONG WINAPI IStorage16_fnAddRef(IStorage16* iface) {
|
|
ICOM_THIS(IStorage16Impl,iface);
|
|
return ++(This->ref);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStorage16_Release [STORAGE.502]
|
|
*/
|
|
ULONG WINAPI IStorage16_fnRelease(IStorage16* iface) {
|
|
ICOM_THIS(IStorage16Impl,iface);
|
|
This->ref--;
|
|
if (This->ref)
|
|
return This->ref;
|
|
UnMapLS( This->thisptr );
|
|
HeapFree( GetProcessHeap(), 0, This );
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStorage16_Stat [STORAGE.517]
|
|
*/
|
|
HRESULT WINAPI IStorage16_fnStat(
|
|
LPSTORAGE16 iface,STATSTG16 *pstatstg, DWORD grfStatFlag
|
|
) {
|
|
ICOM_THIS(IStorage16Impl,iface);
|
|
DWORD len = WideCharToMultiByte( CP_ACP, 0, This->stde.pps_rawname, -1, NULL, 0, NULL, NULL );
|
|
LPSTR nameA = HeapAlloc( GetProcessHeap(), 0, len );
|
|
|
|
TRACE("(%p)->(%p,0x%08lx)\n",
|
|
This,pstatstg,grfStatFlag
|
|
);
|
|
WideCharToMultiByte( CP_ACP, 0, This->stde.pps_rawname, -1, nameA, len, NULL, NULL );
|
|
pstatstg->pwcsName=(LPOLESTR16)MapLS( nameA );
|
|
pstatstg->type = This->stde.pps_type;
|
|
pstatstg->cbSize.s.LowPart = This->stde.pps_size;
|
|
pstatstg->mtime = This->stde.pps_ft1; /* FIXME */ /* why? */
|
|
pstatstg->atime = This->stde.pps_ft2; /* FIXME */
|
|
pstatstg->ctime = This->stde.pps_ft2; /* FIXME */
|
|
pstatstg->grfMode = 0; /* FIXME */
|
|
pstatstg->grfLocksSupported = 0; /* FIXME */
|
|
pstatstg->clsid = This->stde.pps_guid;
|
|
pstatstg->grfStateBits = 0; /* FIXME */
|
|
pstatstg->reserved = 0;
|
|
return S_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStorage16_Commit [STORAGE.509]
|
|
*/
|
|
HRESULT WINAPI IStorage16_fnCommit(
|
|
LPSTORAGE16 iface,DWORD commitflags
|
|
) {
|
|
ICOM_THIS(IStorage16Impl,iface);
|
|
FIXME("(%p)->(0x%08lx),STUB!\n",
|
|
This,commitflags
|
|
);
|
|
return S_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStorage16_CopyTo [STORAGE.507]
|
|
*/
|
|
HRESULT WINAPI IStorage16_fnCopyTo(LPSTORAGE16 iface,DWORD ciidExclude,const IID *rgiidExclude,SNB16 SNB16Exclude,IStorage16 *pstgDest) {
|
|
ICOM_THIS(IStorage16Impl,iface);
|
|
FIXME("IStorage16(%p)->(0x%08lx,%s,%p,%p),stub!\n",
|
|
This,ciidExclude,debugstr_guid(rgiidExclude),SNB16Exclude,pstgDest
|
|
);
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* IStorage16_CreateStorage [STORAGE.505]
|
|
*/
|
|
HRESULT WINAPI IStorage16_fnCreateStorage(
|
|
LPSTORAGE16 iface,LPCOLESTR16 pwcsName,DWORD grfMode,DWORD dwStgFormat,DWORD reserved2, IStorage16 **ppstg
|
|
) {
|
|
ICOM_THIS(IStorage16Impl,iface);
|
|
IStorage16Impl* lpstg;
|
|
int ppsent,x;
|
|
struct storage_pps_entry stde;
|
|
struct storage_header sth;
|
|
HFILE hf=This->hf;
|
|
|
|
READ_HEADER;
|
|
|
|
TRACE("(%p)->(%s,0x%08lx,0x%08lx,0x%08lx,%p)\n",
|
|
This,pwcsName,grfMode,dwStgFormat,reserved2,ppstg
|
|
);
|
|
if (grfMode & STGM_TRANSACTED)
|
|
FIXME("We do not support transacted Compound Storage. Using direct mode.\n");
|
|
_create_istorage16(ppstg);
|
|
lpstg = MapSL((SEGPTR)*ppstg);
|
|
lpstg->hf = This->hf;
|
|
|
|
ppsent=STORAGE_get_free_pps_entry(lpstg->hf);
|
|
if (ppsent<0)
|
|
return E_FAIL;
|
|
stde=This->stde;
|
|
if (stde.pps_dir==-1) {
|
|
stde.pps_dir = ppsent;
|
|
x = This->ppsent;
|
|
} else {
|
|
FIXME(" use prev chain too ?\n");
|
|
x=stde.pps_dir;
|
|
if (1!=STORAGE_get_pps_entry(lpstg->hf,x,&stde))
|
|
return E_FAIL;
|
|
while (stde.pps_next!=-1) {
|
|
x=stde.pps_next;
|
|
if (1!=STORAGE_get_pps_entry(lpstg->hf,x,&stde))
|
|
return E_FAIL;
|
|
}
|
|
stde.pps_next = ppsent;
|
|
}
|
|
assert(STORAGE_put_pps_entry(lpstg->hf,x,&stde));
|
|
assert(1==STORAGE_get_pps_entry(lpstg->hf,ppsent,&(lpstg->stde)));
|
|
MultiByteToWideChar( CP_ACP, 0, pwcsName, -1, lpstg->stde.pps_rawname,
|
|
sizeof(lpstg->stde.pps_rawname)/sizeof(WCHAR));
|
|
lpstg->stde.pps_sizeofname = (strlenW(lpstg->stde.pps_rawname)+1)*sizeof(WCHAR);
|
|
lpstg->stde.pps_next = -1;
|
|
lpstg->stde.pps_prev = -1;
|
|
lpstg->stde.pps_dir = -1;
|
|
lpstg->stde.pps_sb = -1;
|
|
lpstg->stde.pps_size = 0;
|
|
lpstg->stde.pps_type = 1;
|
|
lpstg->ppsent = ppsent;
|
|
/* FIXME: timestamps? */
|
|
if (!STORAGE_put_pps_entry(lpstg->hf,ppsent,&(lpstg->stde)))
|
|
return E_FAIL;
|
|
return S_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStorage16_CreateStream [STORAGE.503]
|
|
*/
|
|
HRESULT WINAPI IStorage16_fnCreateStream(
|
|
LPSTORAGE16 iface,LPCOLESTR16 pwcsName,DWORD grfMode,DWORD reserved1,DWORD reserved2, IStream16 **ppstm
|
|
) {
|
|
ICOM_THIS(IStorage16Impl,iface);
|
|
IStream16Impl* lpstr;
|
|
int ppsent,x;
|
|
struct storage_pps_entry stde;
|
|
|
|
TRACE("(%p)->(%s,0x%08lx,0x%08lx,0x%08lx,%p)\n",
|
|
This,pwcsName,grfMode,reserved1,reserved2,ppstm
|
|
);
|
|
if (grfMode & STGM_TRANSACTED)
|
|
FIXME("We do not support transacted Compound Storage. Using direct mode.\n");
|
|
_create_istream16(ppstm);
|
|
lpstr = MapSL((SEGPTR)*ppstm);
|
|
DuplicateHandle( GetCurrentProcess(), This->hf, GetCurrentProcess(),
|
|
&lpstr->hf, 0, TRUE, DUPLICATE_SAME_ACCESS );
|
|
lpstr->offset.s.LowPart = 0;
|
|
lpstr->offset.s.HighPart = 0;
|
|
|
|
ppsent=STORAGE_get_free_pps_entry(lpstr->hf);
|
|
if (ppsent<0)
|
|
return E_FAIL;
|
|
stde=This->stde;
|
|
if (stde.pps_next==-1)
|
|
x=This->ppsent;
|
|
else
|
|
while (stde.pps_next!=-1) {
|
|
x=stde.pps_next;
|
|
if (1!=STORAGE_get_pps_entry(lpstr->hf,x,&stde))
|
|
return E_FAIL;
|
|
}
|
|
stde.pps_next = ppsent;
|
|
assert(STORAGE_put_pps_entry(lpstr->hf,x,&stde));
|
|
assert(1==STORAGE_get_pps_entry(lpstr->hf,ppsent,&(lpstr->stde)));
|
|
MultiByteToWideChar( CP_ACP, 0, pwcsName, -1, lpstr->stde.pps_rawname,
|
|
sizeof(lpstr->stde.pps_rawname)/sizeof(WCHAR));
|
|
lpstr->stde.pps_sizeofname = (strlenW(lpstr->stde.pps_rawname)+1) * sizeof(WCHAR);
|
|
lpstr->stde.pps_next = -1;
|
|
lpstr->stde.pps_prev = -1;
|
|
lpstr->stde.pps_dir = -1;
|
|
lpstr->stde.pps_sb = -1;
|
|
lpstr->stde.pps_size = 0;
|
|
lpstr->stde.pps_type = 2;
|
|
lpstr->ppsent = ppsent;
|
|
/* FIXME: timestamps? */
|
|
if (!STORAGE_put_pps_entry(lpstr->hf,ppsent,&(lpstr->stde)))
|
|
return E_FAIL;
|
|
return S_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStorage16_OpenStorage [STORAGE.506]
|
|
*/
|
|
HRESULT WINAPI IStorage16_fnOpenStorage(
|
|
LPSTORAGE16 iface,LPCOLESTR16 pwcsName, IStorage16 *pstgPrio, DWORD grfMode, SNB16 snbExclude, DWORD reserved, IStorage16 **ppstg
|
|
) {
|
|
ICOM_THIS(IStorage16Impl,iface);
|
|
IStream16Impl* lpstg;
|
|
WCHAR name[33];
|
|
int newpps;
|
|
|
|
TRACE_(relay)("(%p)->(%s,%p,0x%08lx,%p,0x%08lx,%p)\n",
|
|
This,pwcsName,pstgPrio,grfMode,snbExclude,reserved,ppstg
|
|
);
|
|
if (grfMode & STGM_TRANSACTED)
|
|
FIXME("We do not support transacted Compound Storage. Using direct mode.\n");
|
|
_create_istorage16(ppstg);
|
|
lpstg = MapSL((SEGPTR)*ppstg);
|
|
DuplicateHandle( GetCurrentProcess(), This->hf, GetCurrentProcess(),
|
|
&lpstg->hf, 0, TRUE, DUPLICATE_SAME_ACCESS );
|
|
MultiByteToWideChar( CP_ACP, 0, pwcsName, -1, name, sizeof(name)/sizeof(WCHAR));
|
|
newpps = STORAGE_look_for_named_pps(lpstg->hf,This->stde.pps_dir,name);
|
|
if (newpps==-1) {
|
|
IStream16_fnRelease((IStream16*)lpstg);
|
|
return E_FAIL;
|
|
}
|
|
|
|
if (1!=STORAGE_get_pps_entry(lpstg->hf,newpps,&(lpstg->stde))) {
|
|
IStream16_fnRelease((IStream16*)lpstg);
|
|
return E_FAIL;
|
|
}
|
|
lpstg->ppsent = newpps;
|
|
return S_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* IStorage16_OpenStream [STORAGE.504]
|
|
*/
|
|
HRESULT WINAPI IStorage16_fnOpenStream(
|
|
LPSTORAGE16 iface,LPCOLESTR16 pwcsName, void *reserved1, DWORD grfMode, DWORD reserved2, IStream16 **ppstm
|
|
) {
|
|
ICOM_THIS(IStorage16Impl,iface);
|
|
IStream16Impl* lpstr;
|
|
WCHAR name[33];
|
|
int newpps;
|
|
|
|
TRACE_(relay)("(%p)->(%s,%p,0x%08lx,0x%08lx,%p)\n",
|
|
This,pwcsName,reserved1,grfMode,reserved2,ppstm
|
|
);
|
|
if (grfMode & STGM_TRANSACTED)
|
|
FIXME("We do not support transacted Compound Storage. Using direct mode.\n");
|
|
_create_istream16(ppstm);
|
|
lpstr = MapSL((SEGPTR)*ppstm);
|
|
DuplicateHandle( GetCurrentProcess(), This->hf, GetCurrentProcess(),
|
|
&lpstr->hf, 0, TRUE, DUPLICATE_SAME_ACCESS );
|
|
MultiByteToWideChar( CP_ACP, 0, pwcsName, -1, name, sizeof(name)/sizeof(WCHAR));
|
|
newpps = STORAGE_look_for_named_pps(lpstr->hf,This->stde.pps_dir,name);
|
|
if (newpps==-1) {
|
|
IStream16_fnRelease((IStream16*)lpstr);
|
|
return E_FAIL;
|
|
}
|
|
|
|
if (1!=STORAGE_get_pps_entry(lpstr->hf,newpps,&(lpstr->stde))) {
|
|
IStream16_fnRelease((IStream16*)lpstr);
|
|
return E_FAIL;
|
|
}
|
|
lpstr->offset.s.LowPart = 0;
|
|
lpstr->offset.s.HighPart = 0;
|
|
lpstr->ppsent = newpps;
|
|
return S_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* _create_istorage16 [INTERNAL]
|
|
*/
|
|
static void _create_istorage16(LPSTORAGE16 *stg) {
|
|
IStorage16Impl* lpst;
|
|
|
|
if (!stvt16.QueryInterface) {
|
|
HMODULE16 wp = GetModuleHandle16("STORAGE");
|
|
if (wp>=32) {
|
|
#define VTENT(xfn) stvt16.xfn = (void*)GetProcAddress16(wp,"IStorage16_"#xfn);
|
|
VTENT(QueryInterface)
|
|
VTENT(AddRef)
|
|
VTENT(Release)
|
|
VTENT(CreateStream)
|
|
VTENT(OpenStream)
|
|
VTENT(CreateStorage)
|
|
VTENT(OpenStorage)
|
|
VTENT(CopyTo)
|
|
VTENT(MoveElementTo)
|
|
VTENT(Commit)
|
|
VTENT(Revert)
|
|
VTENT(EnumElements)
|
|
VTENT(DestroyElement)
|
|
VTENT(RenameElement)
|
|
VTENT(SetElementTimes)
|
|
VTENT(SetClass)
|
|
VTENT(SetStateBits)
|
|
VTENT(Stat)
|
|
#undef VTENT
|
|
segstvt16 = (ICOM_VTABLE(IStorage16)*)MapLS( &stvt16 );
|
|
} else {
|
|
#define VTENT(xfn) stvt16.xfn = IStorage16_fn##xfn;
|
|
VTENT(QueryInterface)
|
|
VTENT(AddRef)
|
|
VTENT(Release)
|
|
VTENT(CreateStream)
|
|
VTENT(OpenStream)
|
|
VTENT(CreateStorage)
|
|
VTENT(OpenStorage)
|
|
VTENT(CopyTo)
|
|
VTENT(Commit)
|
|
/* not (yet) implemented ...
|
|
VTENT(MoveElementTo)
|
|
VTENT(Revert)
|
|
VTENT(EnumElements)
|
|
VTENT(DestroyElement)
|
|
VTENT(RenameElement)
|
|
VTENT(SetElementTimes)
|
|
VTENT(SetClass)
|
|
VTENT(SetStateBits)
|
|
VTENT(Stat)
|
|
*/
|
|
#undef VTENT
|
|
segstvt16 = &stvt16;
|
|
}
|
|
}
|
|
lpst = HeapAlloc( GetProcessHeap(), 0, sizeof(*lpst) );
|
|
ICOM_VTBL(lpst) = segstvt16;
|
|
lpst->ref = 1;
|
|
lpst->thisptr = MapLS(lpst);
|
|
*stg = (void*)lpst->thisptr;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Storage API functions
|
|
*/
|
|
|
|
/******************************************************************************
|
|
* StgCreateDocFileA [STORAGE.1]
|
|
*/
|
|
HRESULT WINAPI StgCreateDocFile16(
|
|
LPCOLESTR16 pwcsName,DWORD grfMode,DWORD reserved,IStorage16 **ppstgOpen
|
|
) {
|
|
HFILE hf;
|
|
int i,ret;
|
|
IStorage16Impl* lpstg;
|
|
struct storage_pps_entry stde;
|
|
|
|
TRACE("(%s,0x%08lx,0x%08lx,%p)\n",
|
|
pwcsName,grfMode,reserved,ppstgOpen
|
|
);
|
|
_create_istorage16(ppstgOpen);
|
|
hf = CreateFileA(pwcsName,GENERIC_READ|GENERIC_WRITE,0,NULL,CREATE_NEW,0,0);
|
|
if (hf==INVALID_HANDLE_VALUE) {
|
|
WARN("couldn't open file for storage:%ld\n",GetLastError());
|
|
return E_FAIL;
|
|
}
|
|
lpstg = MapSL((SEGPTR)*ppstgOpen);
|
|
lpstg->hf = hf;
|
|
/* FIXME: check for existence before overwriting? */
|
|
if (!STORAGE_init_storage(hf)) {
|
|
CloseHandle(hf);
|
|
return E_FAIL;
|
|
}
|
|
i=0;ret=0;
|
|
while (!ret) { /* neither 1 nor <0 */
|
|
ret=STORAGE_get_pps_entry(hf,i,&stde);
|
|
if ((ret==1) && (stde.pps_type==5)) {
|
|
lpstg->stde = stde;
|
|
lpstg->ppsent = i;
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
if (ret!=1) {
|
|
IStorage16_fnRelease((IStorage16*)lpstg); /* will remove it */
|
|
return E_FAIL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* StgIsStorageFile [STORAGE.5]
|
|
*/
|
|
HRESULT WINAPI StgIsStorageFile16(LPCOLESTR16 fn) {
|
|
HFILE hf;
|
|
OFSTRUCT ofs;
|
|
BYTE magic[24];
|
|
|
|
TRACE("(\'%s\')\n",fn);
|
|
hf = OpenFile(fn,&ofs,OF_SHARE_DENY_NONE);
|
|
if (hf==HFILE_ERROR)
|
|
return STG_E_FILENOTFOUND;
|
|
if (24!=_lread(hf,magic,24)) {
|
|
WARN(" too short\n");
|
|
_lclose(hf);
|
|
return S_FALSE;
|
|
}
|
|
if (!memcmp(magic,STORAGE_magic,8)) {
|
|
WARN(" -> YES\n");
|
|
_lclose(hf);
|
|
return S_OK;
|
|
}
|
|
if (!memcmp(magic,STORAGE_notmagic,8)) {
|
|
WARN(" -> NO\n");
|
|
_lclose(hf);
|
|
return S_FALSE;
|
|
}
|
|
if (!memcmp(magic,STORAGE_oldmagic,8)) {
|
|
WARN(" -> old format\n");
|
|
_lclose(hf);
|
|
return STG_E_OLDFORMAT;
|
|
}
|
|
WARN(" -> Invalid header.\n");
|
|
_lclose(hf);
|
|
return STG_E_INVALIDHEADER;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* StgIsStorageFile [OLE32.146]
|
|
*/
|
|
HRESULT WINAPI
|
|
StgIsStorageFile(LPCOLESTR fn)
|
|
{
|
|
HRESULT ret;
|
|
DWORD len = WideCharToMultiByte( CP_ACP, 0, fn, -1, NULL, 0, NULL, NULL );
|
|
LPSTR strA = HeapAlloc( GetProcessHeap(), 0, len );
|
|
|
|
WideCharToMultiByte( CP_ACP, 0, fn, -1, strA, len, NULL, NULL );
|
|
ret = StgIsStorageFile16(strA);
|
|
HeapFree( GetProcessHeap(), 0, strA );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* StgOpenStorage [STORAGE.3]
|
|
*/
|
|
HRESULT WINAPI StgOpenStorage16(
|
|
LPCOLESTR16 pwcsName,IStorage16 *pstgPriority,DWORD grfMode,
|
|
SNB16 snbExclude,DWORD reserved, IStorage16 **ppstgOpen
|
|
) {
|
|
HFILE hf;
|
|
int ret,i;
|
|
IStorage16Impl* lpstg;
|
|
struct storage_pps_entry stde;
|
|
|
|
TRACE("(%s,%p,0x%08lx,%p,%ld,%p)\n",
|
|
pwcsName,pstgPriority,grfMode,snbExclude,reserved,ppstgOpen
|
|
);
|
|
_create_istorage16(ppstgOpen);
|
|
hf = CreateFileA(pwcsName,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0);
|
|
if (hf==INVALID_HANDLE_VALUE) {
|
|
WARN("Couldn't open file for storage\n");
|
|
return E_FAIL;
|
|
}
|
|
lpstg = MapSL((SEGPTR)*ppstgOpen);
|
|
lpstg->hf = hf;
|
|
|
|
i=0;ret=0;
|
|
while (!ret) { /* neither 1 nor <0 */
|
|
ret=STORAGE_get_pps_entry(hf,i,&stde);
|
|
if ((ret==1) && (stde.pps_type==5)) {
|
|
lpstg->stde=stde;
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
if (ret!=1) {
|
|
IStorage16_fnRelease((IStorage16*)lpstg); /* will remove it */
|
|
return E_FAIL;
|
|
}
|
|
return S_OK;
|
|
|
|
}
|
|
|
|
|