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Sweden-Number/dlls/winmm/mmio.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* MMIO functions
*
* Copyright 1998 Andrew Taylor
* Copyright 1998 Ove Kåven
* Copyright 2000 Eric Pouech
*/
/* Still to be done:
* + correct handling of global/local IOProcs
* + mode of mmio objects is not used (read vs write vs readwrite)
* + optimization of internal buffers (seg / lin)
* + even in 32 bit only, a seg ptr IO buffer is allocated (after this is
* fixed, we'll have a proper 32/16 separation)
* + thread safeness
* + rename operation is broken
*/
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include "mmsystem.h"
#include "windef.h"
#include "wine/mmsystem16.h"
#include "wine/winbase16.h"
#include "heap.h"
#include "winemm.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(mmio);
/**************************************************************************
* mmioDosIOProc [internal]
*/
static LRESULT CALLBACK mmioDosIOProc(LPMMIOINFO lpmmioinfo, UINT uMessage,
LPARAM lParam1, LPARAM lParam2)
{
LRESULT ret = MMSYSERR_NOERROR;
TRACE("(%p, %X, %ld, %ld);\n", lpmmioinfo, uMessage, lParam1, lParam2);
switch (uMessage) {
case MMIOM_OPEN:
{
/* Parameters:
* lParam1 = szFileName parameter from mmioOpen
* lParam2 = reserved (we use it for 16-bitness)
* Returns: zero on success, error code on error
* NOTE: lDiskOffset automatically set to zero
*/
OFSTRUCT ofs;
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) {
if (lParam2)
lpmmioinfo->adwInfo[0] = DosFileHandleToWin32Handle(lpmmioinfo->adwInfo[0]);
break;
}
lpmmioinfo->adwInfo[0] = (DWORD)OpenFile(szFileName, &ofs,
lpmmioinfo->dwFlags);
if (lpmmioinfo->adwInfo[0] == -1)
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 (we use it for 16-bitness)
* 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;
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;
}
return 0;
}
enum mmioProcType {MMIO_PROC_16,MMIO_PROC_32A,MMIO_PROC_32W};
struct IOProcList
{
struct IOProcList*pNext; /* Next item in linked list */
FOURCC fourCC; /* four-character code identifying IOProc */
LPMMIOPROC pIOProc; /* pointer to IProc */
enum mmioProcType type; /* 16, 32A or 32W */
int count; /* number of objects linked to it */
};
/* This array will be the entire list for most apps */
static struct IOProcList defaultProcs[] = {
{&defaultProcs[1], FOURCC_DOS, (LPMMIOPROC)mmioDosIOProc, MMIO_PROC_32A, 0},
{NULL, FOURCC_MEM, (LPMMIOPROC)mmioMemIOProc, MMIO_PROC_32A, 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, enum mmioProcType type)
{
LPMMIOPROC lpProc = NULL;
struct IOProcList* pListNode;
struct IOProcList** ppListNode;
TRACE("(%ld, %p, %08lX, %i)\n", fccIOProc, pIOProc, dwFlags, type);
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->type = type;
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 - 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) && (*ppListNode)->fourCC != fccIOProc)
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)) {
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;
}
/****************************************************************
* MMIO_Map32To16 [INTERNAL]
*/
static LRESULT MMIO_Map32To16(DWORD wMsg, LPARAM* lp1, LPARAM* lp2)
{
switch (wMsg) {
case MMIOM_OPEN:
{
char *lp = SEGPTR_STRDUP( (LPSTR)*lp1 );
if (!lp) return MMSYSERR_NOMEM;
*lp1 = SEGPTR_GET(lp);
}
break;
case MMIOM_CLOSE:
case MMIOM_SEEK:
/* nothing to do */
break;
case MMIOM_READ:
case MMIOM_WRITE:
case MMIOM_WRITEFLUSH:
{
void* lp = SEGPTR_ALLOC(*lp2);
if (!lp) return MMSYSERR_NOMEM;
if (wMsg != MMIOM_READ)
memcpy(lp, (void*)*lp1, *lp2);
*lp1 = SEGPTR_GET(lp);
}
break;
default:
TRACE("Not a mappable message (%ld)\n", wMsg);
}
return MMSYSERR_NOERROR;
}
/****************************************************************
* MMIO_UnMap32To16 [INTERNAL]
*/
static LRESULT MMIO_UnMap32To16(DWORD wMsg, LPARAM lParam1, LPARAM lParam2,
LPARAM lp1, LPARAM lp2)
{
switch (wMsg) {
case MMIOM_OPEN:
if (!SEGPTR_FREE((void*)lp1)) {
FIXME("bad free line=%d\n", __LINE__);
}
break;
case MMIOM_CLOSE:
case MMIOM_SEEK:
/* nothing to do */
break;
case MMIOM_READ:
memcpy((void*)lParam1, MapSL(lp1), lp2);
/* fall through */
case MMIOM_WRITE:
case MMIOM_WRITEFLUSH:
if (!SEGPTR_FREE(MapSL(lp1))) {
FIXME("bad free line=%d\n", __LINE__);
}
break;
default:
TRACE("Not a mappable message (%ld)\n", wMsg);
}
return MMSYSERR_NOERROR;
}
/****************************************************************
* MMIO_GenerateInfoForIOProc [INTERNAL]
*/
static SEGPTR MMIO_GenerateInfoForIOProc(const WINE_MMIO* wm)
{
LPMMIOINFO16 mmioInfo16 = SEGPTR_ALLOC(sizeof(MMIOINFO16));
memset(mmioInfo16, 0, sizeof(MMIOINFO16));
mmioInfo16->lDiskOffset = wm->info.lDiskOffset;
mmioInfo16->adwInfo[0] = wm->info.adwInfo[0];
mmioInfo16->adwInfo[1] = wm->info.adwInfo[1];
mmioInfo16->adwInfo[2] = wm->info.adwInfo[2];
mmioInfo16->adwInfo[3] = wm->info.adwInfo[3];
return SEGPTR_GET(mmioInfo16);
}
/****************************************************************
* MMIO_UpdateInfoForIOProc [INTERNAL]
*/
static LRESULT MMIO_UpdateInfoForIOProc(WINE_MMIO* wm, SEGPTR segmmioInfo16)
{
MMIOINFO16* mmioInfo16 = MapSL(segmmioInfo16);
wm->info.lDiskOffset = mmioInfo16->lDiskOffset;
wm->info.adwInfo[0] = mmioInfo16->adwInfo[0];
wm->info.adwInfo[1] = mmioInfo16->adwInfo[1];
wm->info.adwInfo[2] = mmioInfo16->adwInfo[2];
wm->info.adwInfo[3] = mmioInfo16->adwInfo[3];
if (!SEGPTR_FREE(mmioInfo16)) FIXME("bad free\n");
return MMSYSERR_NOERROR;
}
/****************************************************************
* MMIO_SendMessage [INTERNAL]
*/
static LRESULT MMIO_SendMessage(LPWINE_MMIO wm, DWORD wMsg, LPARAM lParam1,
LPARAM lParam2, enum mmioProcType type)
{
LRESULT result;
SEGPTR segmmioInfo16;
LPARAM lp1 = lParam1, lp2 = lParam2;
if (!wm->ioProc || !wm->info.pIOProc) {
ERR("brrr\n");
result = MMSYSERR_INVALPARAM;
}
switch (wm->ioProc->type) {
case MMIO_PROC_16:
segmmioInfo16 = MMIO_GenerateInfoForIOProc(wm);
if (wm->ioProc->type != type) {
/* map (lParam1, lParam2) into (lp1, lp2) 32=>16 */
if ((result = MMIO_Map32To16(wMsg, &lp1, &lp2)) != MMSYSERR_NOERROR)
return result;
}
/* FIXME: is wm->info.pIOProc a segmented or a linear address ?
* sounds to me it's a segmented one, should use a thunk somewhere
*/
result = ((LPMMIOPROC16)wm->info.pIOProc)((LPSTR)segmmioInfo16,
wMsg, lp1, lp2);
if (wm->ioProc->type != type) {
MMIO_UnMap32To16(wMsg, lParam1, lParam2, lp1, lp2);
}
MMIO_UpdateInfoForIOProc(wm, segmmioInfo16);
break;
case MMIO_PROC_32A:
case MMIO_PROC_32W:
if (wm->ioProc->type != type) {
/* map (lParam1, lParam2) into (lp1, lp2) 16=>32 */
WARN("NIY\n");
}
result = (wm->info.pIOProc)((LPSTR)&wm->info, wMsg, lp1, lp2);
#if 0
if (wm->ioProc->type != type) {
/* unmap (lParam1, lParam2) into (lp1, lp2) 16=>32 */
}
#endif
break;
default:
FIXME("Internal error\n");
result = MMSYSERR_ERROR;
}
return result;
}
/**************************************************************************
* MMIO_ParseExt [internal]
*
* Parses a filename for the extension.
*
* RETURNS
* The FOURCC code for the extension if found, else 0.
*/
static FOURCC MMIO_ParseExt(LPCSTR szFileName)
{
/* Filenames are of the form file.ext+ABC
FIXME: What if a '+' is part of the file name?
For now, we take the last '+' present */
FOURCC ret = 0;
/* Note that ext{Start,End} point to the . and + respectively */
LPSTR extEnd;
TRACE("(%s)\n",debugstr_a(szFileName));
if (!szFileName)
return ret;
extEnd = strrchr(szFileName,'+');
if (extEnd) {
/* Need to parse to find the extension */
LPSTR extStart;
extStart = extEnd;
while (extStart >= szFileName && extStart[0] != '.') {
extStart--;
}
if (extStart < szFileName) {
ERR("+ but no . in szFileName: %s\n", debugstr_a(szFileName));
} else {
CHAR ext[5];
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(LPWINE_MM_IDATA iData, HMMIO h)
{
LPWINE_MMIO wm = NULL;
if (!iData) iData = MULTIMEDIA_GetIData();
EnterCriticalSection(&iData->cs);
for (wm = iData->lpMMIO; wm; wm = wm->lpNext) {
if (wm->info.hmmio == h)
break;
}
LeaveCriticalSection(&iData->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;
LPWINE_MM_IDATA iData = MULTIMEDIA_GetIData();
wm = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WINE_MMIO));
if (wm) {
EnterCriticalSection(&iData->cs);
while (MMIO_Get(iData, ++MMIO_counter));
wm->info.hmmio = MMIO_counter;
wm->lpNext = iData->lpMMIO;
iData->lpMMIO = wm;
LeaveCriticalSection(&iData->cs);
}
return wm;
}
/**************************************************************************
* MMIO_Destroy [internal]
*-
* Destroys an internal representation for a mmio instance
*/
static BOOL MMIO_Destroy(LPWINE_MMIO wm)
{
LPWINE_MM_IDATA iData = MULTIMEDIA_GetIData();
LPWINE_MMIO* m;
EnterCriticalSection(&iData->cs);
/* search for the matching one... */
m = &(iData->lpMMIO);
while (*m && *m != wm) m = &(*m)->lpNext;
/* ...and destroy */
if (*m) {
*m = (*m)->lpNext;
HeapFree(GetProcessHeap(), 0, wm);
wm = NULL;
}
LeaveCriticalSection(&iData->cs);
return wm ? FALSE : TRUE;
}
/****************************************************************
* MMIO_Flush [INTERNAL]
*/
static LRESULT 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) {
MMIO_SendMessage(wm, MMIOM_SEEK, wm->info.lBufOffset,
SEEK_SET, MMIO_PROC_32A);
MMIO_SendMessage(wm, MMIOM_WRITE, (LPARAM)wm->info.pchBuffer,
wm->info.pchNext - wm->info.pchBuffer, MMIO_PROC_32A);
}
if (uFlags & MMIO_EMPTYBUF)
wm->info.pchNext = wm->info.pchEndRead = wm->info.pchBuffer;
}
wm->info.dwFlags &= ~MMIO_DIRTY;
return 0;
}
/***************************************************************************
* MMIO_GrabNextBuffer [INTERNAL]
*/
static LONG MMIO_GrabNextBuffer(LPWINE_MMIO wm, int for_read)
{
LONG size = wm->info.cchBuffer;
TRACE("bo=%lx do=%lx of=%lx\n",
wm->info.lBufOffset, wm->info.lDiskOffset,
MMIO_SendMessage(wm, MMIOM_SEEK, 0, SEEK_CUR, MMIO_PROC_32A));
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;
if (for_read) {
size = MMIO_SendMessage(wm, MMIOM_READ, (LPARAM)wm->info.pchBuffer,
size, MMIO_PROC_32A);
if (size > 0)
wm->info.pchEndRead += size;
}
wm->bBufferLoaded = TRUE;
return size;
}
/***************************************************************************
* MMIO_SetBuffer [INTERNAL]
*/
static UINT MMIO_SetBuffer(WINE_MMIO* wm, void* pchBuffer, LONG cchBuffer,
UINT uFlags, BOOL bFrom32)
{
TRACE("(%p %p %ld %u %d)\n", wm, pchBuffer, cchBuffer, uFlags, bFrom32);
if (uFlags) return MMSYSERR_INVALPARAM;
if (cchBuffer > 0xFFFF)
WARN("Untested handling of huge mmio buffers (%ld >= 64k)\n", cchBuffer);
if (MMIO_Flush(wm, 0) != 0)
return MMIOERR_CANNOTWRITE;
if ((!cchBuffer || pchBuffer) && (wm->info.dwFlags & MMIO_ALLOCBUF)) {
GlobalUnlock16(wm->hMem);
GlobalFree16(wm->hMem);
wm->info.dwFlags &= ~MMIO_ALLOCBUF;
}
if (pchBuffer) {
if (bFrom32) {
wm->info.pchBuffer = pchBuffer;
wm->buffer16 = 0;
} else {
wm->info.pchBuffer = MapSL((SEGPTR)pchBuffer);
wm->buffer16 = (SEGPTR)pchBuffer;
}
wm->hMem = 0;
} else if (cchBuffer && (wm->info.dwFlags & MMIO_ALLOCBUF)) {
HGLOBAL16 hNewBuf;
GlobalUnlock16(wm->hMem);
hNewBuf = GlobalReAlloc16(wm->hMem, cchBuffer, 0);
if (!hNewBuf) {
/* FIXME: this assumes the memory block didn't move */
GlobalLock16(wm->hMem);
return MMIOERR_OUTOFMEMORY;
}
wm->hMem = hNewBuf;
} else if (cchBuffer) {
if (!(wm->hMem = GlobalAlloc16(GMEM_MOVEABLE, cchBuffer)))
return MMIOERR_OUTOFMEMORY;
wm->info.dwFlags |= MMIO_ALLOCBUF;
} else {
wm->info.pchBuffer = NULL;
wm->hMem = 0;
wm->buffer16 = 0;
}
if (wm->hMem) {
wm->buffer16 = K32WOWGlobalLock16(wm->hMem);
wm->info.pchBuffer = MapSL(wm->buffer16);
}
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 = 0;
wm->bBufferLoaded = FALSE;
return 0;
}
/**************************************************************************
* MMIO_Open [internal]
*/
static HMMIO MMIO_Open(LPSTR szFileName, MMIOINFO* refmminfo,
DWORD dwOpenFlags, enum mmioProcType type)
{
LPWINE_MMIO wm;
TRACE("('%s', %p, %08lX, %d);\n", szFileName, refmminfo, dwOpenFlags, type);
if (dwOpenFlags & (MMIO_PARSE|MMIO_EXIST)) {
char buffer[MAX_PATH];
if (GetFullPathNameA(szFileName, sizeof(buffer), buffer, NULL) >= sizeof(buffer))
return (HMMIO16)FALSE;
if ((dwOpenFlags & MMIO_EXIST) && (GetFileAttributesA(buffer) == -1))
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_ParseExt(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))) goto error2;
wm->info.pIOProc = wm->ioProc->pIOProc;
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->info.pIOProc = wm->ioProc->pIOProc;
wm->bTmpIOProc = FALSE;
}
/* if IO proc specified, use it and specified four character code */
else {
wm->info.fccIOProc = refmminfo->fccIOProc;
wm->info.pIOProc = refmminfo->pIOProc;
MMIO_InstallIOProc(wm->info.fccIOProc, wm->info.pIOProc,
MMIO_INSTALLPROC, type);
if (!(wm->ioProc = MMIO_FindProcNode(wm->info.fccIOProc))) goto error2;
assert(wm->ioProc->pIOProc == refmminfo->pIOProc);
wm->info.pIOProc = wm->ioProc->pIOProc;
wm->bTmpIOProc = TRUE;
}
wm->bBufferLoaded = FALSE;
wm->ioProc->count++;
if (dwOpenFlags & MMIO_ALLOCBUF) {
if ((refmminfo->wErrorRet = mmioSetBuffer(wm->info.hmmio, NULL,
MMIO_DEFAULTBUFFER, 0)))
goto error1;
} else if (wm->info.fccIOProc == FOURCC_MEM) {
refmminfo->wErrorRet = MMIO_SetBuffer(wm, refmminfo->pchBuffer,
refmminfo->cchBuffer, 0,
type != MMIO_PROC_16);
if (refmminfo->wErrorRet != MMSYSERR_NOERROR)
goto error1;
wm->bBufferLoaded = TRUE;
} /* else => unbuffered, wm->info.pchBuffer == NULL */
/* see mmioDosIOProc for that one */
wm->info.adwInfo[0] = refmminfo->adwInfo[0];
wm->info.dwFlags = dwOpenFlags;
/* call IO proc to actually open file */
refmminfo->wErrorRet = MMIO_SendMessage(wm, MMIOM_OPEN, (LPARAM)szFileName,
type == MMIO_PROC_16, MMIO_PROC_32A);
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 = HEAP_strdupWtoA(GetProcessHeap(), 0, szFileName);
if (lpmmioinfo) {
ret = MMIO_Open(szFn, lpmmioinfo, dwOpenFlags, MMIO_PROC_32W);
} else {
MMIOINFO mmioinfo;
mmioinfo.fccIOProc = 0;
mmioinfo.pIOProc = NULL;
mmioinfo.pchBuffer = NULL;
mmioinfo.cchBuffer = 0;
ret = MMIO_Open(szFn, &mmioinfo, dwOpenFlags, MMIO_PROC_32W);
}
HeapFree(GetProcessHeap(), 0, szFn);
return ret;
}
/**************************************************************************
* mmioOpenA [WINMM.@]
*/
HMMIO WINAPI mmioOpenA(LPSTR szFileName, MMIOINFO* lpmmioinfo,
DWORD dwOpenFlags)
{
HMMIO ret;
if (lpmmioinfo) {
ret = MMIO_Open(szFileName, lpmmioinfo, dwOpenFlags, MMIO_PROC_32A);
} else {
MMIOINFO mmioinfo;
mmioinfo.fccIOProc = 0;
mmioinfo.pIOProc = NULL;
mmioinfo.pchBuffer = NULL;
mmioinfo.cchBuffer = 0;
ret = MMIO_Open(szFileName, &mmioinfo, dwOpenFlags, MMIO_PROC_32A);
}
return ret;
}
/**************************************************************************
* mmioOpen [MMSYSTEM.1210]
*/
HMMIO16 WINAPI mmioOpen16(LPSTR szFileName, MMIOINFO16* lpmmioinfo16,
DWORD dwOpenFlags)
{
HMMIO ret;
MMIOINFO mmio;
if (lpmmioinfo16) {
MMIOINFO mmioinfo;
memset(&mmioinfo, 0, sizeof(mmioinfo));
mmioinfo.dwFlags = lpmmioinfo16->dwFlags;
mmioinfo.fccIOProc = lpmmioinfo16->fccIOProc;
mmioinfo.pIOProc = (LPMMIOPROC)lpmmioinfo16->pIOProc;
mmioinfo.cchBuffer = lpmmioinfo16->cchBuffer;
mmioinfo.pchBuffer = lpmmioinfo16->pchBuffer;
mmioinfo.adwInfo[0] = lpmmioinfo16->adwInfo[0];
mmioinfo.adwInfo[1] = lpmmioinfo16->adwInfo[1];
mmioinfo.adwInfo[2] = lpmmioinfo16->adwInfo[2];
mmioinfo.adwInfo[3] = lpmmioinfo16->adwInfo[3];
ret = MMIO_Open(szFileName, &mmioinfo, dwOpenFlags, MMIO_PROC_16);
mmioGetInfo16(mmioinfo.hmmio, lpmmioinfo16, 0);
lpmmioinfo16->wErrorRet = ret;
} else {
mmio.fccIOProc = 0;
mmio.pIOProc = NULL;
mmio.pchBuffer = NULL;
mmio.cchBuffer = 0;
ret = MMIO_Open(szFileName, &mmio, dwOpenFlags, FALSE);
}
return ret;
}
/**************************************************************************
* mmioClose [WINMM.@]
*/
MMRESULT WINAPI mmioClose(HMMIO hmmio, UINT uFlags)
{
LPWINE_MMIO wm;
MMRESULT result;
TRACE("(%04X, %04X);\n", hmmio, uFlags);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
if ((result = MMIO_Flush(wm, 0)) != 0)
return result;
result = MMIO_SendMessage(wm, MMIOM_CLOSE, uFlags, 0, MMIO_PROC_32A);
mmioSetBuffer(hmmio, NULL, 0, 0);
wm->ioProc->count--;
if (wm->bTmpIOProc)
MMIO_InstallIOProc(wm->info.fccIOProc, NULL,
MMIO_REMOVEPROC, wm->ioProc->type);
MMIO_Destroy(wm);
return result;
}
/**************************************************************************
* mmioClose [MMSYSTEM.1211]
*/
MMRESULT16 WINAPI mmioClose16(HMMIO16 hmmio, UINT16 uFlags)
{
return mmioClose(hmmio, uFlags);
}
/**************************************************************************
* mmioRead [WINMM.@]
*/
LONG WINAPI mmioRead(HMMIO hmmio, HPSTR pch, LONG cch)
{
LPWINE_MMIO wm;
LONG count;
TRACE("(%04X, %p, %ld);\n", hmmio, pch, cch);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return -1;
/* unbuffered case first */
if (!wm->info.pchBuffer)
return MMIO_SendMessage(wm, MMIOM_READ, (LPARAM)pch, cch, MMIO_PROC_32A);
/* 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=%ld\n", count);
return count;
}
/**************************************************************************
* mmioRead [MMSYSTEM.1212]
*/
LONG WINAPI mmioRead16(HMMIO16 hmmio, HPSTR pch, LONG cch)
{
return mmioRead(hmmio, pch, cch);
}
/**************************************************************************
* mmioWrite [WINMM.@]
*/
LONG WINAPI mmioWrite(HMMIO hmmio, HPCSTR pch, LONG cch)
{
LPWINE_MMIO wm;
LONG count,bytesW=0;
TRACE("(%04X, %p, %ld);\n", hmmio, pch, cch);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return -1;
if (wm->info.cchBuffer) {
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;
}
} else {
bytesW = MMIO_SendMessage(wm, MMIOM_WRITE, (LPARAM)pch, cch, MMIO_PROC_32A);
wm->info.lBufOffset = wm->info.lDiskOffset;
}
TRACE("bytes written=%ld\n", bytesW);
return bytesW;
}
/**************************************************************************
* mmioWrite [MMSYSTEM.1213]
*/
LONG WINAPI mmioWrite16(HMMIO16 hmmio, HPCSTR pch, LONG cch)
{
return mmioWrite(hmmio,pch,cch);
}
/**************************************************************************
* mmioSeek [WINMM.@]
*/
LONG WINAPI mmioSeek(HMMIO hmmio, LONG lOffset, INT iOrigin)
{
LPWINE_MMIO wm;
LONG offset;
TRACE("(%04X, %08lX, %d);\n", hmmio, lOffset, iOrigin);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
/* not buffered, direct seek on file */
if (!wm->info.pchBuffer)
return MMIO_SendMessage(wm, MMIOM_SEEK, lOffset, iOrigin, MMIO_PROC_32A);
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:
if (wm->info.fccIOProc == FOURCC_MEM) {
offset = wm->info.cchBuffer;
} else {
assert(MMIO_SendMessage(wm, MMIOM_SEEK, 0, SEEK_CUR, MMIO_PROC_32A) == wm->info.lDiskOffset);
offset = MMIO_SendMessage(wm, MMIOM_SEEK, 0, SEEK_END, MMIO_PROC_32A);
MMIO_SendMessage(wm, MMIOM_SEEK, wm->info.lDiskOffset, SEEK_SET, MMIO_PROC_32A);
}
offset -= lOffset;
break;
default:
return -1;
}
/* stay in same buffer ? */
/* some memory mapped buffers are defined with -1 as a size */
if ((wm->info.cchBuffer > 0) &&
((offset < wm->info.lBufOffset) ||
(offset >= wm->info.lBufOffset + wm->info.cchBuffer) ||
!wm->bBufferLoaded)) {
/* condition to change buffer */
if ((wm->info.fccIOProc == FOURCC_MEM) ||
MMIO_Flush(wm, 0) ||
/* this also sets the wm->info.lDiskOffset field */
MMIO_SendMessage(wm, MMIOM_SEEK,
(offset / wm->info.cchBuffer) * wm->info.cchBuffer,
SEEK_SET, MMIO_PROC_32A) == -1)
return -1;
MMIO_GrabNextBuffer(wm, TRUE);
}
wm->info.pchNext = wm->info.pchBuffer + (offset - wm->info.lBufOffset);
TRACE("=> %ld\n", offset);
return offset;
}
/**************************************************************************
* mmioSeek [MMSYSTEM.1214]
*/
LONG WINAPI mmioSeek16(HMMIO16 hmmio, LONG lOffset, INT16 iOrigin)
{
return mmioSeek(hmmio, lOffset, iOrigin);
}
/**************************************************************************
* mmioGetInfo [MMSYSTEM.1215]
*/
UINT16 WINAPI mmioGetInfo16(HMMIO16 hmmio, MMIOINFO16* lpmmioinfo, UINT16 uFlags)
{
LPWINE_MMIO wm;
TRACE("(0x%04x,%p,0x%08x)\n",hmmio,lpmmioinfo,uFlags);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
if (!wm->buffer16)
return MMSYSERR_ERROR;
lpmmioinfo->dwFlags = wm->info.dwFlags;
lpmmioinfo->fccIOProc = wm->info.fccIOProc;
lpmmioinfo->pIOProc = (LPMMIOPROC16)wm->info.pIOProc;
lpmmioinfo->wErrorRet = wm->info.wErrorRet;
lpmmioinfo->hTask = wm->info.hTask;
lpmmioinfo->cchBuffer = wm->info.cchBuffer;
lpmmioinfo->pchBuffer = (void*)wm->buffer16;
lpmmioinfo->pchNext = (void*)(wm->buffer16 + (wm->info.pchNext - wm->info.pchBuffer));
lpmmioinfo->pchEndRead = (void*)(wm->buffer16 + (wm->info.pchEndRead - wm->info.pchBuffer));
lpmmioinfo->pchEndWrite = (void*)(wm->buffer16 + (wm->info.pchEndWrite - wm->info.pchBuffer));
lpmmioinfo->lBufOffset = wm->info.lBufOffset;
lpmmioinfo->lDiskOffset = wm->info.lDiskOffset;
lpmmioinfo->adwInfo[0] = wm->info.adwInfo[0];
lpmmioinfo->adwInfo[1] = wm->info.adwInfo[1];
lpmmioinfo->adwInfo[2] = wm->info.adwInfo[2];
lpmmioinfo->adwInfo[3] = wm->info.adwInfo[3];
lpmmioinfo->dwReserved1 = 0;
lpmmioinfo->dwReserved2 = 0;
lpmmioinfo->hmmio = wm->info.hmmio;
return 0;
}
/**************************************************************************
* mmioGetInfo [WINMM.@]
*/
UINT WINAPI mmioGetInfo(HMMIO hmmio, MMIOINFO* lpmmioinfo, UINT uFlags)
{
LPWINE_MMIO wm;
TRACE("(0x%04x,%p,0x%08x)\n",hmmio,lpmmioinfo,uFlags);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
memcpy(lpmmioinfo, &wm->info, sizeof(MMIOINFO));
return 0;
}
/**************************************************************************
* mmioSetInfo [MMSYSTEM.1216]
*/
UINT16 WINAPI mmioSetInfo16(HMMIO16 hmmio, const MMIOINFO16* lpmmioinfo, UINT16 uFlags)
{
LPWINE_MMIO wm;
TRACE("(0x%04x,%p,0x%08x)\n",hmmio,lpmmioinfo,uFlags);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
/* check if seg and lin buffers are the same */
if (wm->info.cchBuffer != lpmmioinfo->cchBuffer ||
wm->info.pchBuffer != MapSL(wm->buffer16))
return MMSYSERR_INVALPARAM;
/* check pointers coherence */
if (lpmmioinfo->pchNext < lpmmioinfo->pchBuffer ||
lpmmioinfo->pchNext > lpmmioinfo->pchBuffer + lpmmioinfo->cchBuffer ||
lpmmioinfo->pchEndRead < lpmmioinfo->pchBuffer ||
lpmmioinfo->pchEndRead > lpmmioinfo->pchBuffer + lpmmioinfo->cchBuffer ||
lpmmioinfo->pchEndWrite < lpmmioinfo->pchBuffer ||
lpmmioinfo->pchEndWrite > lpmmioinfo->pchBuffer + lpmmioinfo->cchBuffer)
return MMSYSERR_INVALPARAM;
wm->info.pchNext = wm->info.pchBuffer + (lpmmioinfo->pchNext - lpmmioinfo->pchBuffer);
wm->info.pchEndRead = wm->info.pchBuffer + (lpmmioinfo->pchEndRead - lpmmioinfo->pchBuffer);
wm->info.pchEndWrite = wm->info.pchBuffer + (lpmmioinfo->pchEndWrite - lpmmioinfo->pchBuffer);
return 0;
}
/**************************************************************************
* mmioSetInfo [WINMM.@]
*/
UINT WINAPI mmioSetInfo(HMMIO hmmio, const MMIOINFO* lpmmioinfo, UINT uFlags)
{
LPWINE_MMIO wm;
TRACE("(0x%04x,%p,0x%08x)\n",hmmio,lpmmioinfo,uFlags);
if ((wm = MMIO_Get(NULL, 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 0;
}
/**************************************************************************
* mmioSetBuffer [WINMM.@]
*/
UINT WINAPI mmioSetBuffer(HMMIO hmmio, LPSTR pchBuffer, LONG cchBuffer, UINT uFlags)
{
LPWINE_MMIO wm;
TRACE("(hmmio=%04x, pchBuf=%p, cchBuf=%ld, uFlags=%#08x)\n",
hmmio, pchBuffer, cchBuffer, uFlags);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
return MMIO_SetBuffer(wm, pchBuffer, cchBuffer, uFlags, TRUE);
}
/**************************************************************************
* mmioSetBuffer [MMSYSTEM.1217]
*/
UINT16 WINAPI mmioSetBuffer16(HMMIO16 hmmio, LPSTR segpchBuffer,
LONG cchBuffer, UINT16 uFlags)
{
LPWINE_MMIO wm;
TRACE("(hmmio=%04x, segpchBuf=%p, cchBuf=%ld, uFlags=%#08x)\n",
hmmio, segpchBuffer, cchBuffer, uFlags);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
return MMIO_SetBuffer(wm, segpchBuffer, cchBuffer, uFlags, FALSE);
}
/**************************************************************************
* mmioFlush [WINMM.@]
*/
UINT WINAPI mmioFlush(HMMIO hmmio, UINT uFlags)
{
LPWINE_MMIO wm;
TRACE("(%04X, %04X)\n", hmmio, uFlags);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
return MMIO_Flush(wm, uFlags);
}
/**************************************************************************
* mmioFlush [MMSYSTEM.1218]
*/
UINT16 WINAPI mmioFlush16(HMMIO16 hmmio, UINT16 uFlags)
{
return mmioFlush(hmmio, uFlags);
}
/**************************************************************************
* mmioAdvance [WINMM.@]
*/
UINT WINAPI mmioAdvance(HMMIO hmmio, MMIOINFO* lpmmioinfo, UINT uFlags)
{
LPWINE_MMIO wm;
TRACE("hmmio=%04X, lpmmioinfo=%p, uFlags=%04X\n", hmmio, lpmmioinfo, uFlags);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
if (!wm->info.cchBuffer)
return MMIOERR_UNBUFFERED;
if (uFlags != MMIO_READ && uFlags != MMIO_WRITE)
return MMSYSERR_INVALPARAM;
if (MMIO_Flush(wm, 0))
return MMIOERR_CANNOTWRITE;
MMIO_GrabNextBuffer(wm, uFlags == MMIO_READ);
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 0;
}
/***********************************************************************
* mmioAdvance [MMSYSTEM.1219]
*/
UINT16 WINAPI mmioAdvance16(HMMIO16 hmmio, MMIOINFO16* lpmmioinfo, UINT16 uFlags)
{
LPWINE_MMIO wm;
TRACE("hmmio=%04X, lpmmioinfo=%p, uFlags=%04X\n", hmmio, lpmmioinfo, uFlags);
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
if (!wm->info.cchBuffer)
return MMIOERR_UNBUFFERED;
if (uFlags != MMIO_READ && uFlags != MMIO_WRITE)
return MMSYSERR_INVALPARAM;
if (MMIO_Flush(wm, 0))
return MMIOERR_CANNOTWRITE;
MMIO_GrabNextBuffer(wm, uFlags == MMIO_READ);
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 0;
}
/**************************************************************************
* 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)
{
LPSTR szA = HEAP_strdupWtoA(GetProcessHeap(),0,sz);
FOURCC ret = mmioStringToFOURCCA(szA,uFlags);
HeapFree(GetProcessHeap(),0,szA);
return ret;
}
/**************************************************************************
* mmioStringToFOURCC [MMSYSTEM.1220]
*/
FOURCC WINAPI mmioStringToFOURCC16(LPCSTR sz, UINT16 uFlags)
{
return mmioStringToFOURCCA(sz, uFlags);
}
/**************************************************************************
* mmioInstallIOProc [MMSYSTEM.1221]
*/
LPMMIOPROC16 WINAPI mmioInstallIOProc16(FOURCC fccIOProc, LPMMIOPROC16 pIOProc,
DWORD dwFlags)
{
return (LPMMIOPROC16)MMIO_InstallIOProc(fccIOProc, (LPMMIOPROC)pIOProc,
dwFlags, MMIO_PROC_16);
}
/**************************************************************************
* mmioInstallIOProcA [WINMM.@]
*/
LPMMIOPROC WINAPI mmioInstallIOProcA(FOURCC fccIOProc,
LPMMIOPROC pIOProc, DWORD dwFlags)
{
return MMIO_InstallIOProc(fccIOProc, pIOProc, dwFlags, MMIO_PROC_32A);
}
/**************************************************************************
* mmioInstallIOProcW [WINMM.@]
*/
LPMMIOPROC WINAPI mmioInstallIOProcW(FOURCC fccIOProc,
LPMMIOPROC pIOProc, DWORD dwFlags)
{
return MMIO_InstallIOProc(fccIOProc, pIOProc, dwFlags, MMIO_PROC_32W);
}
/**************************************************************************
* mmioSendMessage [MMSYSTEM.1222]
*/
LRESULT WINAPI mmioSendMessage16(HMMIO16 hmmio, UINT16 uMessage,
LPARAM lParam1, LPARAM lParam2)
{
LPWINE_MMIO wm;
TRACE("(%04X, %u, %ld, %ld)\n", hmmio, uMessage, lParam1, lParam2);
if (uMessage < MMIOM_USER)
return MMSYSERR_INVALPARAM;
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
return MMIO_SendMessage(wm, uMessage, lParam1, lParam2, MMIO_PROC_16);
}
/**************************************************************************
* mmioSendMessage [WINMM.@]
*/
LRESULT WINAPI mmioSendMessage(HMMIO hmmio, UINT uMessage,
LPARAM lParam1, LPARAM lParam2)
{
LPWINE_MMIO wm;
TRACE("(%04X, %u, %ld, %ld)\n", hmmio, uMessage, lParam1, lParam2);
if (uMessage < MMIOM_USER)
return MMSYSERR_INVALPARAM;
if ((wm = MMIO_Get(NULL, hmmio)) == NULL)
return MMSYSERR_INVALHANDLE;
return MMIO_SendMessage(wm, uMessage, lParam1, lParam2, MMIO_PROC_32A);
}
/**************************************************************************
* mmioDescend [WINMM.@]
*/
UINT WINAPI mmioDescend(HMMIO hmmio, LPMMCKINFO lpck,
const MMCKINFO* lpckParent, UINT uFlags)
{
DWORD dwOldPos;
FOURCC srchCkId;
FOURCC srchType;
TRACE("(%04X, %p, %p, %04X);\n", hmmio, lpck, lpckParent, uFlags);
if (lpck == NULL)
return MMSYSERR_INVALPARAM;
dwOldPos = mmioSeek(hmmio, 0, SEEK_CUR);
TRACE("dwOldPos=%ld\n", dwOldPos);
if (lpckParent != NULL) {
TRACE("seek inside parent at %ld !\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.
*/
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;
}
if (uFlags & (MMIO_FINDCHUNK|MMIO_FINDLIST|MMIO_FINDRIFF)) {
TRACE("searching for %.4s.%.4s\n",
(LPSTR)&srchCkId,
srchType?(LPSTR)&srchType:"any ");
while (TRUE) {
LONG ix;
ix = mmioRead(hmmio, (LPSTR)lpck, 3 * sizeof(DWORD));
if (ix < 2*sizeof(DWORD)) {
mmioSeek(hmmio, dwOldPos, SEEK_SET);
WARN("return ChunkNotFound\n");
return MMIOERR_CHUNKNOTFOUND;
}
lpck->dwDataOffset = dwOldPos + 2 * sizeof(DWORD);
if (ix < lpck->dwDataOffset - dwOldPos) {
mmioSeek(hmmio, dwOldPos, SEEK_SET);
WARN("return ChunkNotFound\n");
return MMIOERR_CHUNKNOTFOUND;
}
TRACE("ckid=%.4s fcc=%.4s cksize=%08lX !\n",
(LPSTR)&lpck->ckid,
srchType?(LPSTR)&lpck->fccType:"<na>",
lpck->cksize);
if ((srchCkId == lpck->ckid) &&
(!srchType || (srchType == lpck->fccType))
)
break;
dwOldPos = lpck->dwDataOffset + ((lpck->cksize + 1) & ~1);
mmioSeek(hmmio, dwOldPos, SEEK_SET);
}
} else {
/* FIXME: unverified, does it do this? */
/* NB: This part is used by WAVE_mciOpen, among others */
if (mmioRead(hmmio, (LPSTR)lpck, 3 * sizeof(DWORD)) < 3 * sizeof(DWORD)) {
mmioSeek(hmmio, dwOldPos, SEEK_SET);
WARN("return ChunkNotFound 2nd\n");
return MMIOERR_CHUNKNOTFOUND;
}
lpck->dwDataOffset = dwOldPos + 2 * sizeof(DWORD);
}
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);
TRACE("lpck: ckid=%.4s, cksize=%ld, dwDataOffset=%ld fccType=%08lX (%.4s)!\n",
(LPSTR)&lpck->ckid, lpck->cksize, lpck->dwDataOffset,
lpck->fccType, srchType?(LPSTR)&lpck->fccType:"");
return 0;
}
/**************************************************************************
* mmioDescend [MMSYSTEM.1223]
*/
UINT16 WINAPI mmioDescend16(HMMIO16 hmmio, LPMMCKINFO lpck,
const MMCKINFO* lpckParent, UINT16 uFlags)
{
return mmioDescend(hmmio, lpck, lpckParent, uFlags);
}
/**************************************************************************
* mmioAscend [WINMM.@]
*/
UINT WINAPI mmioAscend(HMMIO hmmio, LPMMCKINFO lpck, UINT uFlags)
{
TRACE("(%04X, %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=%ld lpck->dwDataOffset = %ld\n", dwOldPos, lpck->dwDataOffset);
dwNewSize = dwOldPos - lpck->dwDataOffset;
if (dwNewSize != lpck->cksize) {
TRACE("Nope: lpck->cksize=%ld dwNewSize=%ld\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 0;
}
/**************************************************************************
* mmioAscend [MMSYSTEM.1224]
*/
UINT16 WINAPI mmioAscend16(HMMIO16 hmmio, MMCKINFO* lpck, UINT16 uFlags)
{
return mmioAscend(hmmio,lpck,uFlags);
}
/**************************************************************************
* mmioCreateChunk [WINMM.@]
*/
UINT WINAPI mmioCreateChunk(HMMIO hmmio, MMCKINFO* lpck, UINT uFlags)
{
DWORD dwOldPos;
LONG size;
LONG ix;
TRACE("(%04X, %p, %04X);\n", hmmio, lpck, uFlags);
dwOldPos = mmioSeek(hmmio, 0, SEEK_CUR);
TRACE("dwOldPos=%ld\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 = %ld req = %ld, errno = %d\n",ix, size, errno);
if (ix < size) {
mmioSeek(hmmio, dwOldPos, SEEK_SET);
WARN("return CannotWrite\n");
return MMIOERR_CANNOTWRITE;
}
return 0;
}
/**************************************************************************
* mmioCreateChunk [MMSYSTEM.1225]
*/
UINT16 WINAPI mmioCreateChunk16(HMMIO16 hmmio, MMCKINFO* lpck, UINT16 uFlags)
{
return mmioCreateChunk(hmmio, lpck, uFlags);
}
/**************************************************************************
* mmioRename [MMSYSTEM.1226]
*/
UINT16 WINAPI mmioRename16(LPCSTR szFileName, LPCSTR szNewFileName,
MMIOINFO16* lpmmioinfo, DWORD dwRenameFlags)
{
UINT16 result = MMSYSERR_ERROR;
LPMMIOPROC16 ioProc;
TRACE("('%s', '%s', %p, %08lX);\n",
szFileName, szNewFileName, lpmmioinfo, dwRenameFlags);
/* If both params are NULL, then parse the file name */
if (lpmmioinfo && lpmmioinfo->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL)
lpmmioinfo->fccIOProc = MMIO_ParseExt(szFileName);
/* Handle any unhandled/error case from above. Assume DOS file */
if (!lpmmioinfo || (lpmmioinfo->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL))
ioProc = (LPMMIOPROC16)mmioDosIOProc;
/* if just the four character code is present, look up IO proc */
else if (lpmmioinfo->pIOProc == NULL)
ioProc = mmioInstallIOProc16(lpmmioinfo->fccIOProc, NULL, MMIO_FINDPROC);
else
ioProc = lpmmioinfo->pIOProc;
/* FIXME: ioProc is likely a segmented address, thus needing a
* thunk somewhere. The main issue is that Wine's current thunking
* 32 to 16 only supports pascal calling convention
*/
if (ioProc)
result = (ioProc)(0, MMIOM_RENAME,
(LPARAM)szFileName, (LPARAM)szNewFileName);
return result;
}
/**************************************************************************
* mmioRenameA [WINMM.@]
*/
UINT WINAPI mmioRenameA(LPCSTR szFileName, LPCSTR szNewFileName,
MMIOINFO* lpmmioinfo, DWORD dwRenameFlags)
{
UINT result = MMSYSERR_ERROR;
LPMMIOPROC ioProc;
TRACE("('%s', '%s', %p, %08lX);\n",
szFileName, szNewFileName, lpmmioinfo, dwRenameFlags);
/* If both params are NULL, then parse the file name */
if (lpmmioinfo && lpmmioinfo->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL)
lpmmioinfo->fccIOProc = MMIO_ParseExt(szFileName);
/* Handle any unhandled/error case from above. Assume DOS file */
if (!lpmmioinfo || (lpmmioinfo->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL))
ioProc = (LPMMIOPROC)mmioDosIOProc;
/* if just the four character code is present, look up IO proc */
else if (lpmmioinfo->pIOProc == NULL)
ioProc = MMIO_InstallIOProc(lpmmioinfo->fccIOProc, NULL,
MMIO_FINDPROC, MMIO_PROC_32A);
else /* use relevant ioProc */
ioProc = lpmmioinfo->pIOProc;
if (ioProc)
result = (ioProc)(0, MMIOM_RENAME,
(LPARAM)szFileName, (LPARAM)szNewFileName);
return result;
}
/**************************************************************************
* mmioRenameW [WINMM.@]
*/
UINT WINAPI mmioRenameW(LPCWSTR szFileName, LPCWSTR szNewFileName,
MMIOINFO* lpmmioinfo, DWORD dwRenameFlags)
{
LPSTR szFn = HEAP_strdupWtoA(GetProcessHeap(), 0, szFileName);
LPSTR sznFn = HEAP_strdupWtoA(GetProcessHeap(), 0, szNewFileName);
UINT ret = mmioRenameA(szFn, sznFn, lpmmioinfo, dwRenameFlags);
HeapFree(GetProcessHeap(),0,szFn);
HeapFree(GetProcessHeap(),0,sznFn);
return ret;
}
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