mirror of
https://github.com/reactos/reactos.git
synced 2024-12-29 10:35:28 +00:00
b30a8a0868
In C, an inequality comparison between a signed and an unsigned integer ends up with an unsigned comparison. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52628 Wine commit: 0de8d01b09b1cc7ca34f7ae3890b4a416ff801fe author: Eric Pouech <eric.pouech@gmail.com> Wed, 30 Mar 2022 12:57:44 +0000 (14:57 +0200) committer: Alexandre Julliard <julliard@winehq.org> Fri, 1 Apr 2022 20:59:40 +0000 (22:59 +0200)
1349 lines
40 KiB
C
1349 lines
40 KiB
C
/*
|
|
* MMIO functions
|
|
*
|
|
* Copyright 1998 Andrew Taylor
|
|
* Copyright 1998 Ove Kåven
|
|
* Copyright 2000,2002 Eric Pouech
|
|
*
|
|
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
/* Still to be done:
|
|
* + correct handling of global/local IOProcs (and temporary IOProcs)
|
|
* + mode of mmio objects is not used (read vs write vs readwrite)
|
|
* + thread safeness
|
|
* + 32 A <=> W message mapping
|
|
*/
|
|
|
|
#include "winemm.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(mmio);
|
|
|
|
static WINE_MMIO *MMIOList;
|
|
|
|
/**************************************************************************
|
|
* mmioDosIOProc [internal]
|
|
*/
|
|
static LRESULT CALLBACK mmioDosIOProc(LPMMIOINFO lpmmioinfo, UINT uMessage,
|
|
LPARAM lParam1, LPARAM lParam2)
|
|
{
|
|
LRESULT ret = MMSYSERR_NOERROR;
|
|
|
|
TRACE("(%p, %X, 0x%lx, 0x%lx);\n", lpmmioinfo, uMessage, lParam1, lParam2);
|
|
|
|
switch (uMessage) {
|
|
case MMIOM_OPEN:
|
|
{
|
|
/* Parameters:
|
|
* lParam1 = szFileName parameter from mmioOpen
|
|
* lParam2 = reserved
|
|
* Returns: zero on success, error code on error
|
|
* NOTE: lDiskOffset automatically set to zero
|
|
*/
|
|
LPCSTR szFileName = (LPCSTR)lParam1;
|
|
|
|
if (lpmmioinfo->dwFlags & MMIO_GETTEMP) {
|
|
FIXME("MMIO_GETTEMP not implemented\n");
|
|
return MMIOERR_CANNOTOPEN;
|
|
}
|
|
|
|
/* if filename NULL, assume open file handle in adwInfo[0] */
|
|
if (szFileName) {
|
|
OFSTRUCT ofs;
|
|
lpmmioinfo->adwInfo[0] = (DWORD)OpenFile(szFileName, &ofs, lpmmioinfo->dwFlags & 0xFFFF);
|
|
}
|
|
if (lpmmioinfo->adwInfo[0] == (DWORD)HFILE_ERROR)
|
|
ret = MMIOERR_CANNOTOPEN;
|
|
}
|
|
break;
|
|
|
|
case MMIOM_CLOSE:
|
|
/* Parameters:
|
|
* lParam1 = wFlags parameter from mmioClose
|
|
* lParam2 = unused
|
|
* Returns: zero on success, error code on error
|
|
*/
|
|
if (!(lParam1 & MMIO_FHOPEN))
|
|
_lclose((HFILE)lpmmioinfo->adwInfo[0]);
|
|
break;
|
|
|
|
case MMIOM_READ:
|
|
/* Parameters:
|
|
* lParam1 = huge pointer to read buffer
|
|
* lParam2 = number of bytes to read
|
|
* Returns: number of bytes read, 0 for EOF, -1 for error (error code
|
|
* in wErrorRet)
|
|
*/
|
|
ret = _lread((HFILE)lpmmioinfo->adwInfo[0], (HPSTR)lParam1, (LONG)lParam2);
|
|
if (ret != -1)
|
|
lpmmioinfo->lDiskOffset += ret;
|
|
|
|
break;
|
|
|
|
case MMIOM_WRITE:
|
|
case MMIOM_WRITEFLUSH:
|
|
/* no internal buffering, so WRITEFLUSH handled same as WRITE */
|
|
|
|
/* Parameters:
|
|
* lParam1 = huge pointer to write buffer
|
|
* lParam2 = number of bytes to write
|
|
* Returns: number of bytes written, -1 for error (error code in
|
|
* wErrorRet)
|
|
*/
|
|
ret = _hwrite((HFILE)lpmmioinfo->adwInfo[0], (HPSTR)lParam1, (LONG)lParam2);
|
|
if (ret != -1)
|
|
lpmmioinfo->lDiskOffset += ret;
|
|
break;
|
|
|
|
case MMIOM_SEEK:
|
|
/* Parameters:
|
|
* lParam1 = new position
|
|
* lParam2 = from whence to seek (SEEK_SET, SEEK_CUR, SEEK_END)
|
|
* Returns: new file postion, -1 on error
|
|
*/
|
|
ret = _llseek((HFILE)lpmmioinfo->adwInfo[0], (LONG)lParam1, (LONG)lParam2);
|
|
if (ret != -1)
|
|
lpmmioinfo->lDiskOffset = ret;
|
|
return ret;
|
|
|
|
case MMIOM_RENAME:
|
|
/* Parameters:
|
|
* lParam1 = old name
|
|
* lParam2 = new name
|
|
* Returns: zero on success, non-zero on failure
|
|
*/
|
|
if (!MoveFileA((const char*)lParam1, (const char*)lParam2))
|
|
ret = MMIOERR_FILENOTFOUND;
|
|
break;
|
|
|
|
default:
|
|
FIXME("unexpected message %u\n", uMessage);
|
|
return 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioMemIOProc [internal]
|
|
*/
|
|
static LRESULT CALLBACK mmioMemIOProc(LPMMIOINFO lpmmioinfo, UINT uMessage,
|
|
LPARAM lParam1, LPARAM lParam2)
|
|
{
|
|
TRACE("(%p,0x%04x,0x%08lx,0x%08lx)\n", lpmmioinfo, uMessage, lParam1, lParam2);
|
|
|
|
switch (uMessage) {
|
|
|
|
case MMIOM_OPEN:
|
|
/* Parameters:
|
|
* lParam1 = filename (must be NULL)
|
|
* lParam2 = reserved
|
|
* Returns: zero on success, error code on error
|
|
* NOTE: lDiskOffset automatically set to zero
|
|
*/
|
|
/* FIXME: io proc shouldn't change it */
|
|
if (!(lpmmioinfo->dwFlags & MMIO_CREATE))
|
|
lpmmioinfo->pchEndRead = lpmmioinfo->pchEndWrite;
|
|
lpmmioinfo->adwInfo[0] = HFILE_ERROR;
|
|
return 0;
|
|
|
|
case MMIOM_CLOSE:
|
|
/* Parameters:
|
|
* lParam1 = wFlags parameter from mmioClose
|
|
* lParam2 = unused
|
|
* Returns: zero on success, error code on error
|
|
*/
|
|
return 0;
|
|
|
|
case MMIOM_READ:
|
|
/* Parameters:
|
|
* lParam1 = huge pointer to read buffer
|
|
* lParam2 = number of bytes to read
|
|
* Returns: number of bytes read, 0 for EOF, -1 for error (error code
|
|
* in wErrorRet)
|
|
* NOTE: lDiskOffset should be updated
|
|
*/
|
|
FIXME("MMIOM_READ on memory files should not occur, buffer may be lost!\n");
|
|
return 0;
|
|
|
|
case MMIOM_WRITE:
|
|
case MMIOM_WRITEFLUSH:
|
|
/* no internal buffering, so WRITEFLUSH handled same as WRITE */
|
|
|
|
/* Parameters:
|
|
* lParam1 = huge pointer to write buffer
|
|
* lParam2 = number of bytes to write
|
|
* Returns: number of bytes written, -1 for error (error code in
|
|
* wErrorRet)
|
|
* NOTE: lDiskOffset should be updated
|
|
*/
|
|
FIXME("MMIOM_WRITE on memory files should not occur, buffer may be lost!\n");
|
|
return 0;
|
|
|
|
case MMIOM_SEEK:
|
|
/* Parameters:
|
|
* lParam1 = new position
|
|
* lParam2 = from whence to seek (SEEK_SET, SEEK_CUR, SEEK_END)
|
|
* Returns: new file postion, -1 on error
|
|
* NOTE: lDiskOffset should be updated
|
|
*/
|
|
FIXME("MMIOM_SEEK on memory files should not occur, buffer may be lost!\n");
|
|
return -1;
|
|
|
|
default:
|
|
FIXME("unexpected message %u\n", uMessage);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* This array will be the entire list for most apps
|
|
* Note that temporary ioProcs will be stored with a 0 fourCC code
|
|
*/
|
|
|
|
static struct IOProcList defaultProcs[] = {
|
|
{&defaultProcs[1], FOURCC_DOS, (LPMMIOPROC)mmioDosIOProc, FALSE, 0},
|
|
{NULL, FOURCC_MEM, (LPMMIOPROC)mmioMemIOProc, FALSE, 0},
|
|
};
|
|
|
|
static struct IOProcList* pIOProcListAnchor = &defaultProcs[0];
|
|
|
|
/****************************************************************
|
|
* MMIO_FindProcNode [INTERNAL]
|
|
*
|
|
* Finds the ProcList node associated with a given FOURCC code.
|
|
*/
|
|
static struct IOProcList* MMIO_FindProcNode(FOURCC fccIOProc)
|
|
{
|
|
struct IOProcList* pListNode;
|
|
|
|
for (pListNode = pIOProcListAnchor; pListNode; pListNode = pListNode->pNext) {
|
|
if (pListNode->fourCC == fccIOProc) {
|
|
return pListNode;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/****************************************************************
|
|
* MMIO_InstallIOProc [INTERNAL]
|
|
*/
|
|
static LPMMIOPROC MMIO_InstallIOProc(FOURCC fccIOProc, LPMMIOPROC pIOProc,
|
|
DWORD dwFlags, BOOL is_unicode)
|
|
{
|
|
LPMMIOPROC lpProc = NULL;
|
|
struct IOProcList* pListNode;
|
|
struct IOProcList** ppListNode;
|
|
|
|
TRACE("(%08x, %p, %08X, %s)\n", fccIOProc, pIOProc, dwFlags, is_unicode ? "unicode" : "ansi");
|
|
|
|
if (dwFlags & MMIO_GLOBALPROC)
|
|
FIXME("Global procedures not implemented\n");
|
|
|
|
/* just handle the known procedures for now */
|
|
switch (dwFlags & (MMIO_INSTALLPROC|MMIO_REMOVEPROC|MMIO_FINDPROC)) {
|
|
case MMIO_INSTALLPROC:
|
|
/* Create new entry for the IOProc list */
|
|
pListNode = HeapAlloc(GetProcessHeap(), 0, sizeof(*pListNode));
|
|
if (pListNode) {
|
|
/* Fill in this node */
|
|
pListNode->fourCC = fccIOProc;
|
|
pListNode->pIOProc = pIOProc;
|
|
pListNode->is_unicode = is_unicode;
|
|
pListNode->count = 0;
|
|
|
|
/* Stick it on the end of the list */
|
|
pListNode->pNext = pIOProcListAnchor;
|
|
pIOProcListAnchor = pListNode;
|
|
|
|
/* Return this IOProc - that's how the caller knows we succeeded */
|
|
lpProc = pIOProc;
|
|
}
|
|
break;
|
|
|
|
case MMIO_REMOVEPROC:
|
|
/*
|
|
* Search for the node that we're trying to remove
|
|
* We search for a matching fourCC code if it's non null, or the proc
|
|
* address otherwise
|
|
* note that this method won't find the first item on the list, but
|
|
* since the first two items on this list are ones we won't
|
|
* let the user delete anyway, that's okay
|
|
*/
|
|
ppListNode = &pIOProcListAnchor;
|
|
while ((*ppListNode) &&
|
|
((fccIOProc != 0) ?
|
|
(*ppListNode)->fourCC != fccIOProc :
|
|
(*ppListNode)->pIOProc != pIOProc))
|
|
ppListNode = &((*ppListNode)->pNext);
|
|
|
|
if (*ppListNode) { /* found it */
|
|
/* FIXME: what should be done if an open mmio object uses this proc ?
|
|
* shall we return an error, nuke the mmio object ?
|
|
*/
|
|
if ((*ppListNode)->count) {
|
|
ERR("Cannot remove a mmIOProc while in use\n");
|
|
break;
|
|
}
|
|
/* remove it, but only if it isn't builtin */
|
|
if ((*ppListNode) >= defaultProcs &&
|
|
(*ppListNode) < defaultProcs + sizeof(defaultProcs) / sizeof(defaultProcs[0])) {
|
|
WARN("Tried to remove built-in mmio proc. Skipping\n");
|
|
} else {
|
|
/* Okay, nuke it */
|
|
struct IOProcList* ptmpNode = *ppListNode;
|
|
lpProc = (*ppListNode)->pIOProc;
|
|
*ppListNode = (*ppListNode)->pNext;
|
|
HeapFree(GetProcessHeap(), 0, ptmpNode);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case MMIO_FINDPROC:
|
|
if ((pListNode = MMIO_FindProcNode(fccIOProc))) {
|
|
lpProc = pListNode->pIOProc;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return lpProc;
|
|
}
|
|
|
|
/****************************************************************
|
|
* send_message [INTERNAL]
|
|
*/
|
|
static LRESULT send_message(struct IOProcList* ioProc, LPMMIOINFO mmioinfo,
|
|
DWORD wMsg, LPARAM lParam1,
|
|
LPARAM lParam2, BOOL is_unicode)
|
|
{
|
|
LRESULT result = MMSYSERR_ERROR;
|
|
LPARAM lp1 = lParam1, lp2 = lParam2;
|
|
|
|
if (!ioProc) {
|
|
ERR("ioProc NULL\n");
|
|
return MMSYSERR_INVALPARAM;
|
|
}
|
|
|
|
if (ioProc->is_unicode != is_unicode) {
|
|
/* map (lParam1, lParam2) into (lp1, lp2) 32 A<=>W */
|
|
FIXME("NIY 32 A<=>W mapping\n");
|
|
}
|
|
result = (ioProc->pIOProc)((LPSTR)mmioinfo, wMsg, lp1, lp2);
|
|
|
|
#if 0
|
|
if (ioProc->is_unicode != is_unicode) {
|
|
/* unmap (lParam1, lParam2) into (lp1, lp2) 32 A<=>W */
|
|
}
|
|
#endif
|
|
|
|
return result;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* MMIO_ParseExtA [internal]
|
|
*
|
|
* Parses a filename for the extension.
|
|
*
|
|
* RETURNS
|
|
* The FOURCC code for the extension if found, else 0.
|
|
*/
|
|
static FOURCC MMIO_ParseExtA(LPCSTR szFileName)
|
|
{
|
|
/* Filenames are of the form file.ext{+ABC}
|
|
For now, we take the last '+' if present */
|
|
|
|
FOURCC ret = 0;
|
|
|
|
/* Note that ext{Start,End} point to the . and + respectively */
|
|
LPCSTR extEnd;
|
|
LPCSTR extStart;
|
|
|
|
CHAR ext[5];
|
|
|
|
TRACE("(%s)\n", debugstr_a(szFileName));
|
|
|
|
if (!szFileName)
|
|
return ret;
|
|
|
|
/* Find the last '+' */
|
|
extEnd = strrchr(szFileName,'+');
|
|
|
|
if (!extEnd) {
|
|
/* No + so just an extension */
|
|
return ret;
|
|
} else {
|
|
/* Find the first '.' before '+' */
|
|
extStart = extEnd - 1;
|
|
while (extStart >= szFileName && *extStart != '.') {
|
|
extStart--;
|
|
}
|
|
if (extStart < szFileName) {
|
|
ERR("No extension in szFileName: %s\n", debugstr_a(szFileName));
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (extEnd - extStart - 1 > 4)
|
|
WARN("Extension length > 4\n");
|
|
lstrcpynA(ext, extStart + 1, min(extEnd-extStart,5));
|
|
|
|
TRACE("Got extension: %s\n", debugstr_a(ext));
|
|
|
|
/* FOURCC codes identifying file-extensions must be uppercase */
|
|
ret = mmioStringToFOURCCA(ext, MMIO_TOUPPER);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* MMIO_Get [internal]
|
|
*
|
|
* Retrieves the mmio object from current process
|
|
*/
|
|
static LPWINE_MMIO MMIO_Get(HMMIO h)
|
|
{
|
|
LPWINE_MMIO wm = NULL;
|
|
|
|
EnterCriticalSection(&WINMM_cs);
|
|
for (wm = MMIOList; wm; wm = wm->lpNext) {
|
|
if (wm->info.hmmio == h)
|
|
break;
|
|
}
|
|
LeaveCriticalSection(&WINMM_cs);
|
|
return wm;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* MMIO_Create [internal]
|
|
*
|
|
* Creates an internal representation for a mmio instance
|
|
*/
|
|
static LPWINE_MMIO MMIO_Create(void)
|
|
{
|
|
static WORD MMIO_counter = 0;
|
|
LPWINE_MMIO wm;
|
|
|
|
wm = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WINE_MMIO));
|
|
if (wm) {
|
|
EnterCriticalSection(&WINMM_cs);
|
|
/* lookup next unallocated WORD handle, with a non NULL value */
|
|
while (++MMIO_counter == 0 || MMIO_Get((HMMIO)(ULONG_PTR)MMIO_counter));
|
|
wm->info.hmmio = (HMMIO)(ULONG_PTR)MMIO_counter;
|
|
wm->lpNext = MMIOList;
|
|
MMIOList = wm;
|
|
LeaveCriticalSection(&WINMM_cs);
|
|
}
|
|
return wm;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* MMIO_Destroy [internal]
|
|
*-
|
|
* Destroys an internal representation for a mmio instance
|
|
*/
|
|
static BOOL MMIO_Destroy(LPWINE_MMIO wm)
|
|
{
|
|
LPWINE_MMIO* m;
|
|
|
|
EnterCriticalSection(&WINMM_cs);
|
|
/* search for the matching one... */
|
|
m = &MMIOList;
|
|
while (*m && *m != wm) m = &(*m)->lpNext;
|
|
/* ...and destroy */
|
|
if (*m) {
|
|
*m = (*m)->lpNext;
|
|
HeapFree(GetProcessHeap(), 0, wm);
|
|
wm = NULL;
|
|
}
|
|
LeaveCriticalSection(&WINMM_cs);
|
|
return wm ? FALSE : TRUE;
|
|
}
|
|
|
|
/****************************************************************
|
|
* MMIO_Flush [INTERNAL]
|
|
*/
|
|
static MMRESULT MMIO_Flush(WINE_MMIO* wm, UINT uFlags)
|
|
{
|
|
if (wm->info.cchBuffer && (wm->info.fccIOProc != FOURCC_MEM)) {
|
|
/* not quite sure what to do here, but I'll guess */
|
|
if (wm->info.dwFlags & MMIO_DIRTY) {
|
|
/* FIXME: error handling */
|
|
send_message(wm->ioProc, &wm->info, MMIOM_SEEK, wm->info.lBufOffset, SEEK_SET, FALSE);
|
|
send_message(wm->ioProc, &wm->info, MMIOM_WRITE,
|
|
(LPARAM)wm->info.pchBuffer,
|
|
wm->info.pchNext - wm->info.pchBuffer, FALSE);
|
|
}
|
|
if (uFlags & MMIO_EMPTYBUF)
|
|
wm->info.pchNext = wm->info.pchEndRead = wm->info.pchBuffer;
|
|
}
|
|
wm->info.dwFlags &= ~MMIO_DIRTY;
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/***************************************************************************
|
|
* MMIO_GrabNextBuffer [INTERNAL]
|
|
*/
|
|
static LONG MMIO_GrabNextBuffer(LPWINE_MMIO wm, int for_read)
|
|
{
|
|
LONG size = wm->info.cchBuffer;
|
|
|
|
TRACE("bo=%x do=%x of=%lx\n",
|
|
wm->info.lBufOffset, wm->info.lDiskOffset,
|
|
send_message(wm->ioProc, &wm->info, MMIOM_SEEK, 0, SEEK_CUR, FALSE));
|
|
|
|
wm->info.lBufOffset = wm->info.lDiskOffset;
|
|
wm->info.pchNext = wm->info.pchBuffer;
|
|
wm->info.pchEndRead = wm->info.pchBuffer;
|
|
wm->info.pchEndWrite = wm->info.pchBuffer + wm->info.cchBuffer;
|
|
|
|
wm->bBufferLoaded = TRUE;
|
|
if (for_read) {
|
|
size = send_message(wm->ioProc, &wm->info, MMIOM_READ,
|
|
(LPARAM)wm->info.pchBuffer, size, FALSE);
|
|
if (size > 0)
|
|
wm->info.pchEndRead += size;
|
|
else
|
|
wm->bBufferLoaded = FALSE;
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
/***************************************************************************
|
|
* MMIO_SetBuffer [INTERNAL]
|
|
*/
|
|
static MMRESULT MMIO_SetBuffer(WINE_MMIO* wm, void* pchBuffer, LONG cchBuffer,
|
|
UINT uFlags)
|
|
{
|
|
TRACE("(%p %p %d %u)\n", wm, pchBuffer, cchBuffer, uFlags);
|
|
|
|
if (cchBuffer > 0xFFFF)
|
|
WARN("Untested handling of huge mmio buffers (%d >= 64k)\n", cchBuffer);
|
|
|
|
if (MMIO_Flush(wm, 0) != MMSYSERR_NOERROR)
|
|
return MMIOERR_CANNOTWRITE;
|
|
|
|
/* free previous buffer if allocated */
|
|
if (wm->info.dwFlags & MMIO_ALLOCBUF) {
|
|
HeapFree(GetProcessHeap(), 0, wm->info.pchBuffer);
|
|
wm->info.pchBuffer = NULL;
|
|
wm->info.dwFlags &= ~MMIO_ALLOCBUF;
|
|
}
|
|
|
|
if (pchBuffer) {
|
|
wm->info.pchBuffer = pchBuffer;
|
|
} else if (cchBuffer) {
|
|
if (!(wm->info.pchBuffer = HeapAlloc(GetProcessHeap(), 0, cchBuffer)))
|
|
return MMIOERR_OUTOFMEMORY;
|
|
wm->info.dwFlags |= MMIO_ALLOCBUF;
|
|
} else {
|
|
wm->info.pchBuffer = NULL;
|
|
}
|
|
|
|
wm->info.cchBuffer = cchBuffer;
|
|
wm->info.pchNext = wm->info.pchBuffer;
|
|
wm->info.pchEndRead = wm->info.pchBuffer;
|
|
wm->info.pchEndWrite = wm->info.pchBuffer + cchBuffer;
|
|
wm->info.lBufOffset = wm->info.lDiskOffset;
|
|
wm->bBufferLoaded = FALSE;
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* MMIO_Open [internal]
|
|
*/
|
|
static HMMIO MMIO_Open(LPSTR szFileName, MMIOINFO* refmminfo, DWORD dwOpenFlags, BOOL is_unicode)
|
|
{
|
|
LPWINE_MMIO wm;
|
|
MMIOINFO mmioinfo;
|
|
|
|
TRACE("('%s', %p, %08X, %s);\n", szFileName, refmminfo, dwOpenFlags, is_unicode ? "unicode" : "ansi");
|
|
|
|
if (!refmminfo) {
|
|
refmminfo = &mmioinfo;
|
|
|
|
mmioinfo.fccIOProc = 0;
|
|
mmioinfo.pIOProc = NULL;
|
|
mmioinfo.pchBuffer = NULL;
|
|
mmioinfo.cchBuffer = 0;
|
|
is_unicode = FALSE;
|
|
}
|
|
|
|
if (dwOpenFlags & (MMIO_PARSE|MMIO_EXIST)) {
|
|
char buffer[MAX_PATH];
|
|
|
|
if (!szFileName)
|
|
return (HMMIO)FALSE;
|
|
if (GetFullPathNameA(szFileName, sizeof(buffer), buffer, NULL) >= sizeof(buffer))
|
|
return (HMMIO)FALSE;
|
|
if ((dwOpenFlags & MMIO_EXIST) && (GetFileAttributesA(buffer) == INVALID_FILE_ATTRIBUTES))
|
|
return (HMMIO)FALSE;
|
|
strcpy(szFileName, buffer);
|
|
return (HMMIO)TRUE;
|
|
}
|
|
|
|
if ((wm = MMIO_Create()) == NULL)
|
|
return 0;
|
|
|
|
/* If both params are NULL, then parse the file name if available */
|
|
if (refmminfo->fccIOProc == 0 && refmminfo->pIOProc == NULL) {
|
|
wm->info.fccIOProc = MMIO_ParseExtA(szFileName);
|
|
/* Handle any unhandled/error case. Assume DOS file */
|
|
if (wm->info.fccIOProc == 0)
|
|
wm->info.fccIOProc = FOURCC_DOS;
|
|
if (!(wm->ioProc = MMIO_FindProcNode(wm->info.fccIOProc))) {
|
|
/* If not found, retry with FOURCC_DOS */
|
|
wm->info.fccIOProc = FOURCC_DOS;
|
|
if (!(wm->ioProc = MMIO_FindProcNode(wm->info.fccIOProc)))
|
|
goto error2;
|
|
}
|
|
wm->bTmpIOProc = FALSE;
|
|
}
|
|
/* if just the four character code is present, look up IO proc */
|
|
else if (refmminfo->pIOProc == NULL) {
|
|
wm->info.fccIOProc = refmminfo->fccIOProc;
|
|
if (!(wm->ioProc = MMIO_FindProcNode(wm->info.fccIOProc))) goto error2;
|
|
wm->bTmpIOProc = FALSE;
|
|
}
|
|
/* if IO proc specified, use it and specified four character code */
|
|
else {
|
|
wm->info.fccIOProc = refmminfo->fccIOProc;
|
|
MMIO_InstallIOProc(wm->info.fccIOProc, refmminfo->pIOProc,
|
|
MMIO_INSTALLPROC, is_unicode);
|
|
if (!(wm->ioProc = MMIO_FindProcNode(wm->info.fccIOProc))) goto error2;
|
|
assert(wm->ioProc->pIOProc == refmminfo->pIOProc);
|
|
wm->bTmpIOProc = TRUE;
|
|
}
|
|
|
|
wm->ioProc->count++;
|
|
wm->info.dwFlags = dwOpenFlags;
|
|
|
|
if (dwOpenFlags & MMIO_ALLOCBUF) {
|
|
refmminfo->wErrorRet = MMIO_SetBuffer(wm, refmminfo->pchBuffer,
|
|
refmminfo->cchBuffer ? refmminfo->cchBuffer : MMIO_DEFAULTBUFFER, 0);
|
|
if (refmminfo->wErrorRet != MMSYSERR_NOERROR)
|
|
goto error1;
|
|
} else {
|
|
refmminfo->wErrorRet = MMIO_SetBuffer(wm, refmminfo->pchBuffer, refmminfo->cchBuffer, 0);
|
|
if (refmminfo->wErrorRet != MMSYSERR_NOERROR)
|
|
goto error1;
|
|
}
|
|
|
|
if (wm->info.fccIOProc == FOURCC_MEM && !(wm->info.dwFlags & MMIO_ALLOCBUF))
|
|
wm->bBufferLoaded = TRUE;
|
|
|
|
/* see mmioDosIOProc for that one */
|
|
wm->info.adwInfo[0] = refmminfo->adwInfo[0];
|
|
|
|
/* call IO proc to actually open file */
|
|
refmminfo->wErrorRet = send_message(wm->ioProc, &wm->info, MMIOM_OPEN,
|
|
(LPARAM)szFileName, 0, FALSE);
|
|
|
|
/* grab file size, when possible (FIXME: not 64 bit safe) */
|
|
wm->dwFileSize = GetFileSize((HANDLE)(ULONG_PTR)wm->info.adwInfo[0], NULL);
|
|
|
|
if (refmminfo->wErrorRet == 0)
|
|
return wm->info.hmmio;
|
|
error1:
|
|
if (wm->ioProc) wm->ioProc->count--;
|
|
error2:
|
|
MMIO_Destroy(wm);
|
|
return 0;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioOpenW [WINMM.@]
|
|
*/
|
|
HMMIO WINAPI mmioOpenW(LPWSTR szFileName, MMIOINFO* lpmmioinfo,
|
|
DWORD dwOpenFlags)
|
|
{
|
|
HMMIO ret;
|
|
LPSTR szFn = NULL;
|
|
|
|
if (szFileName)
|
|
{
|
|
INT len = WideCharToMultiByte( CP_ACP, 0, szFileName, -1, NULL, 0, NULL, NULL );
|
|
szFn = HeapAlloc( GetProcessHeap(), 0, len );
|
|
if (!szFn) return NULL;
|
|
WideCharToMultiByte( CP_ACP, 0, szFileName, -1, szFn, len, NULL, NULL );
|
|
}
|
|
|
|
ret = MMIO_Open(szFn, lpmmioinfo, dwOpenFlags, TRUE);
|
|
|
|
HeapFree(GetProcessHeap(), 0, szFn);
|
|
return ret;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioOpenA [WINMM.@]
|
|
*/
|
|
HMMIO WINAPI mmioOpenA(LPSTR szFileName, MMIOINFO* lpmmioinfo,
|
|
DWORD dwOpenFlags)
|
|
{
|
|
return MMIO_Open(szFileName, lpmmioinfo, dwOpenFlags, FALSE);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioClose [WINMM.@]
|
|
*/
|
|
MMRESULT WINAPI mmioClose(HMMIO hmmio, UINT uFlags)
|
|
{
|
|
LPWINE_MMIO wm;
|
|
MMRESULT result;
|
|
|
|
TRACE("(%p, %04X);\n", hmmio, uFlags);
|
|
|
|
if ((wm = MMIO_Get(hmmio)) == NULL)
|
|
return MMSYSERR_INVALHANDLE;
|
|
|
|
if ((result = MMIO_Flush(wm, 0)) != MMSYSERR_NOERROR)
|
|
return result;
|
|
|
|
result = send_message(wm->ioProc, &wm->info, MMIOM_CLOSE, uFlags, 0, FALSE);
|
|
|
|
MMIO_SetBuffer(wm, NULL, 0, 0);
|
|
|
|
wm->ioProc->count--;
|
|
|
|
if (wm->bTmpIOProc)
|
|
MMIO_InstallIOProc(wm->info.fccIOProc, wm->ioProc->pIOProc,
|
|
MMIO_REMOVEPROC, wm->ioProc->is_unicode);
|
|
|
|
MMIO_Destroy(wm);
|
|
|
|
return result;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioRead [WINMM.@]
|
|
*/
|
|
LONG WINAPI mmioRead(HMMIO hmmio, HPSTR pch, LONG cch)
|
|
{
|
|
LPWINE_MMIO wm;
|
|
LONG count;
|
|
|
|
TRACE("(%p, %p, %d);\n", hmmio, pch, cch);
|
|
|
|
if ((wm = MMIO_Get(hmmio)) == NULL)
|
|
return -1;
|
|
|
|
/* unbuffered case first */
|
|
if (!wm->info.pchBuffer)
|
|
return send_message(wm->ioProc, &wm->info, MMIOM_READ, (LPARAM)pch, cch, FALSE);
|
|
|
|
/* first try from current buffer */
|
|
if (wm->info.pchNext != wm->info.pchEndRead) {
|
|
count = wm->info.pchEndRead - wm->info.pchNext;
|
|
if (count > cch || count < 0) count = cch;
|
|
memcpy(pch, wm->info.pchNext, count);
|
|
wm->info.pchNext += count;
|
|
pch += count;
|
|
cch -= count;
|
|
} else
|
|
count = 0;
|
|
|
|
if (cch && (wm->info.fccIOProc != FOURCC_MEM)) {
|
|
assert(wm->info.cchBuffer);
|
|
|
|
while (cch) {
|
|
LONG size;
|
|
|
|
size = MMIO_GrabNextBuffer(wm, TRUE);
|
|
if (size <= 0) break;
|
|
if (size > cch) size = cch;
|
|
memcpy(pch, wm->info.pchBuffer, size);
|
|
wm->info.pchNext += size;
|
|
pch += size;
|
|
cch -= size;
|
|
count += size;
|
|
}
|
|
}
|
|
|
|
TRACE("count=%d\n", count);
|
|
return count;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioWrite [WINMM.@]
|
|
*/
|
|
LONG WINAPI mmioWrite(HMMIO hmmio, HPCSTR pch, LONG cch)
|
|
{
|
|
LPWINE_MMIO wm;
|
|
LONG count;
|
|
|
|
TRACE("(%p, %p, %d);\n", hmmio, pch, cch);
|
|
|
|
if ((wm = MMIO_Get(hmmio)) == NULL)
|
|
return -1;
|
|
|
|
if (wm->info.cchBuffer) {
|
|
LONG bytesW = 0;
|
|
|
|
count = 0;
|
|
while (cch) {
|
|
if (wm->info.pchNext != wm->info.pchEndWrite) {
|
|
count = wm->info.pchEndWrite - wm->info.pchNext;
|
|
if (count > cch || count < 0) count = cch;
|
|
memcpy(wm->info.pchNext, pch, count);
|
|
wm->info.pchNext += count;
|
|
pch += count;
|
|
cch -= count;
|
|
bytesW += count;
|
|
wm->info.dwFlags |= MMIO_DIRTY;
|
|
} else {
|
|
if (wm->info.fccIOProc == FOURCC_MEM) {
|
|
if (wm->info.adwInfo[0]) {
|
|
/* from where would we get the memory handle? */
|
|
FIXME("memory file expansion not implemented!\n");
|
|
break;
|
|
} else break;
|
|
}
|
|
}
|
|
|
|
if (wm->info.pchNext == wm->info.pchEndWrite)
|
|
{
|
|
MMIO_Flush(wm, MMIO_EMPTYBUF);
|
|
MMIO_GrabNextBuffer(wm, FALSE);
|
|
}
|
|
else break;
|
|
}
|
|
count = bytesW;
|
|
} else {
|
|
count = send_message(wm->ioProc, &wm->info, MMIOM_WRITE, (LPARAM)pch, cch, FALSE);
|
|
wm->info.lBufOffset = wm->info.lDiskOffset;
|
|
}
|
|
|
|
TRACE("bytes written=%d\n", count);
|
|
return count;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioSeek [WINMM.@]
|
|
*/
|
|
LONG WINAPI mmioSeek(HMMIO hmmio, LONG lOffset, INT iOrigin)
|
|
{
|
|
LPWINE_MMIO wm;
|
|
LONG offset;
|
|
|
|
TRACE("(%p, %08X, %d);\n", hmmio, lOffset, iOrigin);
|
|
|
|
if ((wm = MMIO_Get(hmmio)) == NULL)
|
|
return MMSYSERR_INVALHANDLE;
|
|
|
|
/* not buffered, direct seek on file */
|
|
if (!wm->info.pchBuffer)
|
|
return send_message(wm->ioProc, &wm->info, MMIOM_SEEK, lOffset, iOrigin, FALSE);
|
|
|
|
switch (iOrigin) {
|
|
case SEEK_SET:
|
|
offset = lOffset;
|
|
break;
|
|
case SEEK_CUR:
|
|
offset = wm->info.lBufOffset + (wm->info.pchNext - wm->info.pchBuffer) + lOffset;
|
|
break;
|
|
case SEEK_END:
|
|
offset = ((wm->info.fccIOProc == FOURCC_MEM)? wm->info.cchBuffer : wm->dwFileSize) - lOffset;
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
|
|
if (offset && offset >= wm->dwFileSize && wm->info.fccIOProc != FOURCC_MEM) {
|
|
/* should check that write mode exists */
|
|
if (MMIO_Flush(wm, 0) != MMSYSERR_NOERROR)
|
|
return -1;
|
|
wm->info.lBufOffset = offset;
|
|
wm->info.pchEndRead = wm->info.pchBuffer;
|
|
wm->info.pchEndWrite = wm->info.pchBuffer + wm->info.cchBuffer;
|
|
if ((wm->info.dwFlags & MMIO_RWMODE) == MMIO_READ) {
|
|
wm->info.lDiskOffset = wm->dwFileSize;
|
|
}
|
|
} else if ((wm->info.cchBuffer > 0) &&
|
|
((offset < wm->info.lBufOffset) ||
|
|
(offset >= wm->info.lBufOffset + wm->info.cchBuffer) ||
|
|
!wm->bBufferLoaded)) {
|
|
/* stay in same buffer ? */
|
|
/* some memory mapped buffers are defined with -1 as a size */
|
|
|
|
/* condition to change buffer */
|
|
if ((wm->info.fccIOProc == FOURCC_MEM) ||
|
|
MMIO_Flush(wm, 0) != MMSYSERR_NOERROR ||
|
|
/* this also sets the wm->info.lDiskOffset field */
|
|
send_message(wm->ioProc, &wm->info, MMIOM_SEEK,
|
|
(offset / wm->info.cchBuffer) * wm->info.cchBuffer,
|
|
SEEK_SET, FALSE) == -1)
|
|
return -1;
|
|
MMIO_GrabNextBuffer(wm, TRUE);
|
|
}
|
|
|
|
wm->info.pchNext = wm->info.pchBuffer + (offset - wm->info.lBufOffset);
|
|
|
|
TRACE("=> %d\n", offset);
|
|
return offset;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioGetInfo [WINMM.@]
|
|
*/
|
|
MMRESULT WINAPI mmioGetInfo(HMMIO hmmio, MMIOINFO* lpmmioinfo, UINT uFlags)
|
|
{
|
|
LPWINE_MMIO wm;
|
|
|
|
TRACE("(%p,%p,0x%08x)\n",hmmio,lpmmioinfo,uFlags);
|
|
|
|
if ((wm = MMIO_Get(hmmio)) == NULL)
|
|
return MMSYSERR_INVALHANDLE;
|
|
|
|
*lpmmioinfo = wm->info;
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioSetInfo [WINMM.@]
|
|
*/
|
|
MMRESULT WINAPI mmioSetInfo(HMMIO hmmio, const MMIOINFO* lpmmioinfo, UINT uFlags)
|
|
{
|
|
LPWINE_MMIO wm;
|
|
|
|
TRACE("(%p,%p,0x%08x)\n",hmmio,lpmmioinfo,uFlags);
|
|
|
|
if ((wm = MMIO_Get(hmmio)) == NULL)
|
|
return MMSYSERR_INVALHANDLE;
|
|
|
|
/* check pointers coherence */
|
|
if (lpmmioinfo->pchNext < wm->info.pchBuffer ||
|
|
lpmmioinfo->pchNext > wm->info.pchBuffer + wm->info.cchBuffer ||
|
|
lpmmioinfo->pchEndRead < wm->info.pchBuffer ||
|
|
lpmmioinfo->pchEndRead > wm->info.pchBuffer + wm->info.cchBuffer ||
|
|
lpmmioinfo->pchEndWrite < wm->info.pchBuffer ||
|
|
lpmmioinfo->pchEndWrite > wm->info.pchBuffer + wm->info.cchBuffer)
|
|
return MMSYSERR_INVALPARAM;
|
|
|
|
wm->info.pchNext = lpmmioinfo->pchNext;
|
|
wm->info.pchEndRead = lpmmioinfo->pchEndRead;
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioSetBuffer [WINMM.@]
|
|
*/
|
|
MMRESULT WINAPI mmioSetBuffer(HMMIO hmmio, LPSTR pchBuffer, LONG cchBuffer, UINT uFlags)
|
|
{
|
|
LPWINE_MMIO wm;
|
|
|
|
TRACE("(hmmio=%p, pchBuf=%p, cchBuf=%d, uFlags=%#08x)\n",
|
|
hmmio, pchBuffer, cchBuffer, uFlags);
|
|
|
|
if ((wm = MMIO_Get(hmmio)) == NULL)
|
|
return MMSYSERR_INVALHANDLE;
|
|
|
|
return MMIO_SetBuffer(wm, pchBuffer, cchBuffer, uFlags);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioFlush [WINMM.@]
|
|
*/
|
|
MMRESULT WINAPI mmioFlush(HMMIO hmmio, UINT uFlags)
|
|
{
|
|
LPWINE_MMIO wm;
|
|
|
|
TRACE("(%p, %04X)\n", hmmio, uFlags);
|
|
|
|
if ((wm = MMIO_Get(hmmio)) == NULL)
|
|
return MMSYSERR_INVALHANDLE;
|
|
|
|
return MMIO_Flush(wm, uFlags);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioAdvance [WINMM.@]
|
|
*/
|
|
MMRESULT WINAPI mmioAdvance(HMMIO hmmio, MMIOINFO* lpmmioinfo, UINT uFlags)
|
|
{
|
|
LPWINE_MMIO wm;
|
|
|
|
TRACE("hmmio=%p, lpmmioinfo=%p, uFlags=%04X\n", hmmio, lpmmioinfo, uFlags);
|
|
|
|
/* NOTE: mmioAdvance16 heavily relies on parameters from lpmmioinfo we're using
|
|
* here. be sure if you change something here to check mmioAdvance16 as well
|
|
*/
|
|
if ((wm = MMIO_Get(hmmio)) == NULL)
|
|
return MMSYSERR_INVALHANDLE;
|
|
|
|
if (!wm->info.cchBuffer)
|
|
return MMIOERR_UNBUFFERED;
|
|
|
|
if (uFlags != MMIO_READ && uFlags != MMIO_WRITE)
|
|
return MMSYSERR_INVALPARAM;
|
|
|
|
if (uFlags == MMIO_WRITE && (lpmmioinfo->dwFlags & MMIO_DIRTY))
|
|
{
|
|
send_message(wm->ioProc, &wm->info, MMIOM_SEEK, lpmmioinfo->lBufOffset, SEEK_SET, FALSE);
|
|
send_message(wm->ioProc, &wm->info, MMIOM_WRITE, (LPARAM)lpmmioinfo->pchBuffer,
|
|
lpmmioinfo->pchNext - lpmmioinfo->pchBuffer, FALSE);
|
|
lpmmioinfo->dwFlags &= ~MMIO_DIRTY;
|
|
}
|
|
if (MMIO_Flush(wm, 0) != MMSYSERR_NOERROR)
|
|
return MMIOERR_CANNOTWRITE;
|
|
|
|
if (lpmmioinfo) {
|
|
wm->dwFileSize = max(wm->dwFileSize, lpmmioinfo->lBufOffset +
|
|
(lpmmioinfo->pchNext - lpmmioinfo->pchBuffer));
|
|
}
|
|
MMIO_GrabNextBuffer(wm, uFlags == MMIO_READ);
|
|
|
|
if (lpmmioinfo) {
|
|
lpmmioinfo->pchNext = lpmmioinfo->pchBuffer;
|
|
lpmmioinfo->pchEndRead = lpmmioinfo->pchBuffer +
|
|
(wm->info.pchEndRead - wm->info.pchBuffer);
|
|
lpmmioinfo->pchEndWrite = lpmmioinfo->pchBuffer +
|
|
(wm->info.pchEndWrite - wm->info.pchBuffer);
|
|
lpmmioinfo->lDiskOffset = wm->info.lDiskOffset;
|
|
lpmmioinfo->lBufOffset = wm->info.lBufOffset;
|
|
}
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioStringToFOURCCA [WINMM.@]
|
|
*/
|
|
FOURCC WINAPI mmioStringToFOURCCA(LPCSTR sz, UINT uFlags)
|
|
{
|
|
CHAR cc[4];
|
|
int i = 0;
|
|
|
|
for (i = 0; i < 4 && sz[i]; i++) {
|
|
if (uFlags & MMIO_TOUPPER) {
|
|
cc[i] = toupper(sz[i]);
|
|
} else {
|
|
cc[i] = sz[i];
|
|
}
|
|
}
|
|
|
|
/* Pad with spaces */
|
|
while (i < 4) cc[i++] = ' ';
|
|
|
|
TRACE("Got '%.4s'\n",cc);
|
|
return mmioFOURCC(cc[0],cc[1],cc[2],cc[3]);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioStringToFOURCCW [WINMM.@]
|
|
*/
|
|
FOURCC WINAPI mmioStringToFOURCCW(LPCWSTR sz, UINT uFlags)
|
|
{
|
|
char szA[4];
|
|
|
|
WideCharToMultiByte( CP_ACP, 0, sz, 4, szA, sizeof(szA), NULL, NULL );
|
|
return mmioStringToFOURCCA(szA,uFlags);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioInstallIOProcA [WINMM.@]
|
|
*/
|
|
LPMMIOPROC WINAPI mmioInstallIOProcA(FOURCC fccIOProc,
|
|
LPMMIOPROC pIOProc, DWORD dwFlags)
|
|
{
|
|
return MMIO_InstallIOProc(fccIOProc, pIOProc, dwFlags, FALSE);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioInstallIOProcW [WINMM.@]
|
|
*/
|
|
LPMMIOPROC WINAPI mmioInstallIOProcW(FOURCC fccIOProc,
|
|
LPMMIOPROC pIOProc, DWORD dwFlags)
|
|
{
|
|
return MMIO_InstallIOProc(fccIOProc, pIOProc, dwFlags, TRUE);
|
|
}
|
|
|
|
/******************************************************************
|
|
* MMIO_SendMessage
|
|
*
|
|
*
|
|
*/
|
|
static LRESULT MMIO_SendMessage(HMMIO hmmio, UINT uMessage, LPARAM lParam1,
|
|
LPARAM lParam2, BOOL is_unicode)
|
|
{
|
|
LPWINE_MMIO wm;
|
|
|
|
TRACE("(%p, %u, %ld, %ld, %s)\n", hmmio, uMessage, lParam1, lParam2, is_unicode ? "unicode" : "ansi");
|
|
|
|
if (uMessage < MMIOM_USER)
|
|
return MMSYSERR_INVALPARAM;
|
|
|
|
if ((wm = MMIO_Get(hmmio)) == NULL)
|
|
return MMSYSERR_INVALHANDLE;
|
|
|
|
return send_message(wm->ioProc, &wm->info, uMessage, lParam1, lParam2, is_unicode);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioSendMessage [WINMM.@]
|
|
*/
|
|
LRESULT WINAPI mmioSendMessage(HMMIO hmmio, UINT uMessage,
|
|
LPARAM lParam1, LPARAM lParam2)
|
|
{
|
|
return MMIO_SendMessage(hmmio, uMessage, lParam1, lParam2, FALSE);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioDescend [WINMM.@]
|
|
*/
|
|
MMRESULT WINAPI mmioDescend(HMMIO hmmio, LPMMCKINFO lpck,
|
|
const MMCKINFO* lpckParent, UINT uFlags)
|
|
{
|
|
DWORD dwOldPos;
|
|
FOURCC srchCkId;
|
|
FOURCC srchType;
|
|
|
|
TRACE("(%p, %p, %p, %04X);\n", hmmio, lpck, lpckParent, uFlags);
|
|
|
|
if (lpck == NULL)
|
|
return MMSYSERR_INVALPARAM;
|
|
|
|
dwOldPos = mmioSeek(hmmio, 0, SEEK_CUR);
|
|
TRACE("dwOldPos=%d\n", dwOldPos);
|
|
|
|
if (lpckParent != NULL) {
|
|
TRACE("seek inside parent at %d !\n", lpckParent->dwDataOffset);
|
|
/* EPP: was dwOldPos = mmioSeek(hmmio,lpckParent->dwDataOffset,SEEK_SET); */
|
|
if (dwOldPos < lpckParent->dwDataOffset ||
|
|
dwOldPos >= lpckParent->dwDataOffset + lpckParent->cksize) {
|
|
WARN("outside parent chunk\n");
|
|
return MMIOERR_CHUNKNOTFOUND;
|
|
}
|
|
}
|
|
|
|
/* The SDK docu says 'ckid' is used for all cases. Real World
|
|
* examples disagree -Marcus,990216.
|
|
*/
|
|
|
|
srchCkId = 0;
|
|
srchType = 0;
|
|
|
|
/* find_chunk looks for 'ckid' */
|
|
if (uFlags & MMIO_FINDCHUNK)
|
|
srchCkId = lpck->ckid;
|
|
|
|
/* find_riff and find_list look for 'fccType' */
|
|
if (uFlags & MMIO_FINDLIST)
|
|
{
|
|
srchCkId = FOURCC_LIST;
|
|
srchType = lpck->fccType;
|
|
}
|
|
|
|
if (uFlags & MMIO_FINDRIFF)
|
|
{
|
|
srchCkId = FOURCC_RIFF;
|
|
srchType = lpck->fccType;
|
|
}
|
|
|
|
TRACE("searching for %4.4s.%4.4s\n",
|
|
(LPCSTR)&srchCkId, srchType ? (LPCSTR)&srchType : "any");
|
|
|
|
while (TRUE)
|
|
{
|
|
LONG ix;
|
|
|
|
ix = mmioRead(hmmio, (LPSTR)lpck, 3 * sizeof(DWORD));
|
|
if (ix < 0 || ix < 2*sizeof(DWORD))
|
|
{
|
|
mmioSeek(hmmio, dwOldPos, SEEK_SET);
|
|
WARN("return ChunkNotFound\n");
|
|
return MMIOERR_CHUNKNOTFOUND;
|
|
}
|
|
|
|
lpck->dwDataOffset = dwOldPos + 2 * sizeof(DWORD);
|
|
TRACE("ckid=%4.4s fcc=%4.4s cksize=%08X !\n",
|
|
(LPCSTR)&lpck->ckid,
|
|
srchType ? (LPCSTR)&lpck->fccType:"<na>",
|
|
lpck->cksize);
|
|
if ( (!srchCkId || (srchCkId == lpck->ckid)) &&
|
|
(!srchType || (srchType == lpck->fccType)) )
|
|
break;
|
|
|
|
dwOldPos = lpck->dwDataOffset + ((lpck->cksize + 1) & ~1);
|
|
mmioSeek(hmmio, dwOldPos, SEEK_SET);
|
|
}
|
|
|
|
lpck->dwFlags = 0;
|
|
/* If we were looking for RIFF/LIST chunks, the final file position
|
|
* is after the chunkid. If we were just looking for the chunk
|
|
* it is after the cksize. So add 4 in RIFF/LIST case.
|
|
*/
|
|
if (lpck->ckid == FOURCC_RIFF || lpck->ckid == FOURCC_LIST)
|
|
mmioSeek(hmmio, lpck->dwDataOffset + sizeof(DWORD), SEEK_SET);
|
|
else
|
|
{
|
|
mmioSeek(hmmio, lpck->dwDataOffset, SEEK_SET);
|
|
lpck->fccType = 0;
|
|
}
|
|
TRACE("lpck: ckid=%.4s, cksize=%d, dwDataOffset=%d fccType=%08X (%.4s)!\n",
|
|
(LPSTR)&lpck->ckid, lpck->cksize, lpck->dwDataOffset,
|
|
lpck->fccType, srchType?(LPSTR)&lpck->fccType:"");
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioAscend [WINMM.@]
|
|
*/
|
|
MMRESULT WINAPI mmioAscend(HMMIO hmmio, LPMMCKINFO lpck, UINT uFlags)
|
|
{
|
|
TRACE("(%p, %p, %04X);\n", hmmio, lpck, uFlags);
|
|
|
|
if (lpck->dwFlags & MMIO_DIRTY) {
|
|
DWORD dwOldPos, dwNewSize;
|
|
|
|
TRACE("Chunk is dirty, checking if chunk's size is correct\n");
|
|
dwOldPos = mmioSeek(hmmio, 0, SEEK_CUR);
|
|
TRACE("dwOldPos=%d lpck->dwDataOffset = %d\n", dwOldPos, lpck->dwDataOffset);
|
|
dwNewSize = dwOldPos - lpck->dwDataOffset;
|
|
if (dwNewSize != lpck->cksize) {
|
|
TRACE("Nope: lpck->cksize=%d dwNewSize=%d\n", lpck->cksize, dwNewSize);
|
|
lpck->cksize = dwNewSize;
|
|
|
|
/* pad odd size with 0 */
|
|
if (dwNewSize & 1) {
|
|
char ch = 0;
|
|
mmioWrite(hmmio, &ch, 1);
|
|
}
|
|
mmioSeek(hmmio, lpck->dwDataOffset - sizeof(DWORD), SEEK_SET);
|
|
mmioWrite(hmmio, (LPSTR)&dwNewSize, sizeof(DWORD));
|
|
}
|
|
lpck->dwFlags = 0;
|
|
}
|
|
|
|
mmioSeek(hmmio, lpck->dwDataOffset + ((lpck->cksize + 1) & ~1), SEEK_SET);
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioCreateChunk [WINMM.@]
|
|
*/
|
|
MMRESULT WINAPI mmioCreateChunk(HMMIO hmmio, MMCKINFO* lpck, UINT uFlags)
|
|
{
|
|
DWORD dwOldPos;
|
|
LONG size;
|
|
LONG ix;
|
|
|
|
TRACE("(%p, %p, %04X);\n", hmmio, lpck, uFlags);
|
|
|
|
dwOldPos = mmioSeek(hmmio, 0, SEEK_CUR);
|
|
TRACE("dwOldPos=%d\n", dwOldPos);
|
|
|
|
if (uFlags == MMIO_CREATELIST)
|
|
lpck->ckid = FOURCC_LIST;
|
|
else if (uFlags == MMIO_CREATERIFF)
|
|
lpck->ckid = FOURCC_RIFF;
|
|
|
|
TRACE("ckid=%.4s\n", (LPSTR)&lpck->ckid);
|
|
|
|
size = 2 * sizeof(DWORD);
|
|
lpck->dwDataOffset = dwOldPos + size;
|
|
|
|
if (lpck->ckid == FOURCC_RIFF || lpck->ckid == FOURCC_LIST)
|
|
size += sizeof(DWORD);
|
|
lpck->dwFlags = MMIO_DIRTY;
|
|
|
|
ix = mmioWrite(hmmio, (LPSTR)lpck, size);
|
|
TRACE("after mmioWrite ix = %d req = %d, errno = %d\n", ix, size, errno);
|
|
if (ix != size) {
|
|
mmioSeek(hmmio, dwOldPos, SEEK_SET);
|
|
WARN("return CannotWrite\n");
|
|
return MMIOERR_CANNOTWRITE;
|
|
}
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioRenameA [WINMM.@]
|
|
*/
|
|
MMRESULT WINAPI mmioRenameA(LPCSTR szFileName, LPCSTR szNewFileName,
|
|
const MMIOINFO* lpmmioinfo, DWORD dwFlags)
|
|
{
|
|
struct IOProcList* ioProc = NULL;
|
|
struct IOProcList tmp;
|
|
FOURCC fcc;
|
|
|
|
TRACE("('%s', '%s', %p, %08X);\n",
|
|
debugstr_a(szFileName), debugstr_a(szNewFileName), lpmmioinfo, dwFlags);
|
|
|
|
/* If both params are NULL, then parse the file name */
|
|
if (lpmmioinfo && lpmmioinfo->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL)
|
|
{
|
|
fcc = MMIO_ParseExtA(szFileName);
|
|
if (fcc) ioProc = MMIO_FindProcNode(fcc);
|
|
}
|
|
|
|
/* Handle any unhandled/error case from above. Assume DOS file */
|
|
if (!lpmmioinfo || (lpmmioinfo->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL && ioProc == NULL))
|
|
ioProc = MMIO_FindProcNode(FOURCC_DOS);
|
|
/* if just the four character code is present, look up IO proc */
|
|
else if (lpmmioinfo->pIOProc == NULL)
|
|
ioProc = MMIO_FindProcNode(lpmmioinfo->fccIOProc);
|
|
else /* use relevant ioProc */
|
|
{
|
|
ioProc = &tmp;
|
|
tmp.fourCC = lpmmioinfo->fccIOProc;
|
|
tmp.pIOProc = lpmmioinfo->pIOProc;
|
|
tmp.is_unicode = FALSE;
|
|
tmp.count = 1;
|
|
}
|
|
|
|
/* FIXME: should we actually pass lpmmioinfo down the drain ???
|
|
* or make a copy of it because it's const ???
|
|
*/
|
|
return send_message(ioProc, (MMIOINFO*)lpmmioinfo, MMIOM_RENAME,
|
|
(LPARAM)szFileName, (LPARAM)szNewFileName, FALSE);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* mmioRenameW [WINMM.@]
|
|
*/
|
|
MMRESULT WINAPI mmioRenameW(LPCWSTR szFileName, LPCWSTR szNewFileName,
|
|
const MMIOINFO* lpmmioinfo, DWORD dwFlags)
|
|
{
|
|
LPSTR szFn = NULL;
|
|
LPSTR sznFn = NULL;
|
|
UINT ret = MMSYSERR_NOMEM;
|
|
INT len;
|
|
|
|
if (szFileName)
|
|
{
|
|
len = WideCharToMultiByte( CP_ACP, 0, szFileName, -1, NULL, 0, NULL, NULL );
|
|
szFn = HeapAlloc( GetProcessHeap(), 0, len );
|
|
if (!szFn) goto done;
|
|
WideCharToMultiByte( CP_ACP, 0, szFileName, -1, szFn, len, NULL, NULL );
|
|
}
|
|
if (szNewFileName)
|
|
{
|
|
len = WideCharToMultiByte( CP_ACP, 0, szNewFileName, -1, NULL, 0, NULL, NULL );
|
|
sznFn = HeapAlloc( GetProcessHeap(), 0, len );
|
|
if (!sznFn) goto done;
|
|
WideCharToMultiByte( CP_ACP, 0, szNewFileName, -1, sznFn, len, NULL, NULL );
|
|
}
|
|
|
|
ret = mmioRenameA(szFn, sznFn, lpmmioinfo, dwFlags);
|
|
|
|
done:
|
|
HeapFree(GetProcessHeap(),0,szFn);
|
|
HeapFree(GetProcessHeap(),0,sznFn);
|
|
return ret;
|
|
}
|