/* * MMIO functions * * Copyright 1998 Andrew Taylor * Copyright 1998 Ove Kåven * */ #include #include #include #include "windows.h" #include "win.h" #include "heap.h" #include "user.h" #include "file.h" #include "mmsystem.h" #include "debug.h" #include "xmalloc.h" /************************************************************************** * mmioDosIOProc [internal] */ static LRESULT mmioDosIOProc(LPMMIOINFO16 lpmmioinfo, UINT16 uMessage, LPARAM lParam1, LPARAM lParam2) { TRACE(mmio, "(%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; LPSTR szFileName = (LPSTR) lParam1; if (lpmmioinfo->dwFlags & MMIO_GETTEMP) { FIXME(mmio, "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] = FILE_GetHandle32(lpmmioinfo->adwInfo[0]); return 0; } lpmmioinfo->adwInfo[0] = (DWORD) OpenFile32(szFileName, &ofs, lpmmioinfo->dwFlags); if (lpmmioinfo->adwInfo[0] == -1) return MMIOERR_CANNOTOPEN; return 0; } case MMIOM_CLOSE: { /* Parameters: * lParam1 = wFlags parameter from mmioClose * lParam2 = unused * Returns: zero on success, error code on error */ UINT16 uFlags = (UINT16) lParam1; if (uFlags & MMIO_FHOPEN) return 0; _lclose32((HFILE32)lpmmioinfo->adwInfo[0]); 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 */ HPSTR pch = (HPSTR) lParam1; LONG cch = (LONG) lParam2; LONG count; count = _lread32((HFILE32)lpmmioinfo->adwInfo[0], pch, cch); if (count != -1) lpmmioinfo->lDiskOffset += count; return count; } 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 */ HPSTR pch = (HPSTR) lParam1; LONG cch = (LONG) lParam2; LONG count; count = _hwrite32((HFILE32)lpmmioinfo->adwInfo[0], pch, cch); if (count != -1) lpmmioinfo->lDiskOffset += count; return count; } 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 */ LONG Offset = (LONG) lParam1; LONG Whence = (LONG) lParam2; LONG pos; pos = _llseek32((HFILE32)lpmmioinfo->adwInfo[0], Offset, Whence); if (pos != -1) lpmmioinfo->lDiskOffset = pos; return pos; } case MMIOM_RENAME: { /* Parameters: * lParam1 = old name * lParam2 = new name * Returns: zero on success, non-zero on failure */ FIXME(mmio, "MMIOM_RENAME unimplemented\n"); return MMIOERR_FILENOTFOUND; } default: FIXME(mmio, "unexpected message %u\n", uMessage); return 0; } return 0; } /************************************************************************** * mmioMemIOProc [internal] */ static LRESULT mmioMemIOProc(LPMMIOINFO16 lpmmioinfo, UINT16 uMessage, LPARAM lParam1, LPARAM lParam2) { TRACE(mmio,"(%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 */ 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 */ /* HPSTR pch = (HPSTR) lParam1; */ /* LONG cch = (LONG) lParam2; */ FIXME(mmio,"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 */ /* HPSTR pch = (HPSTR) lParam1; */ /* LONG cch = (LONG) lParam2; */ FIXME(mmio,"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 */ /* LONG Offset = (LONG) lParam1; */ /* LONG Whence = (LONG) lParam2; */ FIXME(mmio,"MMIOM_SEEK on memory files should not occur, buffer may be lost!\n"); return -1; } default: FIXME(mmio, "unexpected message %u\n", uMessage); return 0; } return 0; } /************************************************************************** * MMIO_Open [internal] */ static HMMIO16 MMIO_Open(LPSTR szFileName, MMIOINFO16 * lpmmioinfo, DWORD dwOpenFlags, int use16) { LPMMIOINFO16 lpmminfo; HMMIO16 hmmio; UINT16 result; TRACE(mmio, "('%s', %p, %08lX);\n", szFileName, lpmmioinfo, dwOpenFlags); hmmio = GlobalAlloc16(GHND, sizeof(MMIOINFO16)); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo == NULL) return 0; memset(lpmminfo, 0, sizeof(MMIOINFO16)); /* assume DOS file if not otherwise specified */ if (!lpmmioinfo || (lpmmioinfo->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL)) { lpmminfo->fccIOProc = FOURCC_DOS; lpmminfo->pIOProc = (LPMMIOPROC16) mmioDosIOProc; } /* if just the four character code is present, look up IO proc */ else if (lpmmioinfo->pIOProc == NULL) { lpmminfo->fccIOProc = lpmmioinfo->fccIOProc; lpmminfo->pIOProc = mmioInstallIOProc16(lpmmioinfo->fccIOProc, NULL, MMIO_FINDPROC); } /* if IO proc specified, use it and specified four character code */ else { lpmminfo->fccIOProc = lpmmioinfo->fccIOProc; lpmminfo->pIOProc = lpmmioinfo->pIOProc; } if (dwOpenFlags & MMIO_ALLOCBUF) { if ((result = mmioSetBuffer16(hmmio, NULL, MMIO_DEFAULTBUFFER, 0))) { if (lpmmioinfo) lpmmioinfo->wErrorRet = result; return 0; } } else if (lpmminfo->fccIOProc == FOURCC_MEM) { if ((result = mmioSetBuffer16(hmmio, lpmmioinfo->pchBuffer, lpmmioinfo->cchBuffer, 0))) { if (lpmmioinfo) lpmmioinfo->wErrorRet = result; return 0; } } lpmminfo->dwFlags = dwOpenFlags; lpmminfo->hmmio = hmmio; /* call IO proc to actually open file */ result = (UINT16) mmioSendMessage(hmmio, MMIOM_OPEN, (LPARAM) szFileName, (LPARAM) use16); GlobalUnlock16(hmmio); if (result != 0) { GlobalFree16(hmmio); return 0; } return hmmio; } /************************************************************************** * mmioOpenW [WINMM.123] */ HMMIO32 WINAPI mmioOpen32W(LPWSTR szFileName, MMIOINFO32 * lpmmioinfo, DWORD dwOpenFlags) { LPSTR szFn = HEAP_strdupWtoA(GetProcessHeap(),0,szFileName); HMMIO32 ret = MMIO_Open(szFn,(LPMMIOINFO16)lpmmioinfo,dwOpenFlags,FALSE); HeapFree(GetProcessHeap(),0,szFn); return ret; } /************************************************************************** * mmioOpenA [WINMM.122] */ HMMIO32 WINAPI mmioOpen32A(LPSTR szFileName, MMIOINFO32 * lpmmioinfo, DWORD dwOpenFlags) { return MMIO_Open(szFileName,(LPMMIOINFO16)lpmmioinfo,dwOpenFlags,FALSE); } /************************************************************************** * mmioOpen [MMSYSTEM.1210] */ HMMIO16 WINAPI mmioOpen16(LPSTR szFileName, MMIOINFO16 * lpmmioinfo, DWORD dwOpenFlags) { return MMIO_Open(szFileName,(LPMMIOINFO16)lpmmioinfo,dwOpenFlags,TRUE); } /************************************************************************** * mmioClose [WINMM.114] */ MMRESULT32 WINAPI mmioClose32(HMMIO32 hmmio, UINT32 uFlags) { LPMMIOINFO16 lpmminfo; MMRESULT32 result; TRACE(mmio, "(%04X, %04X);\n", hmmio, uFlags); lpmminfo = (LPMMIOINFO16) GlobalLock16(hmmio); if (lpmminfo == NULL) return 0; /* flush the file - if error reported, ignore */ if (mmioFlush32(hmmio, MMIO_EMPTYBUF) != 0) lpmminfo->dwFlags &= ~MMIO_DIRTY; result = mmioSendMessage(hmmio,MMIOM_CLOSE,(LPARAM)uFlags,(LPARAM)0); mmioSetBuffer16(hmmio, NULL, 0, 0); GlobalUnlock16(hmmio); GlobalFree16(hmmio); return result; } /************************************************************************** * mmioClose [MMSYSTEM.1211] */ MMRESULT16 WINAPI mmioClose16(HMMIO16 hmmio, UINT16 uFlags) { return mmioClose32(hmmio,uFlags); } /************************************************************************** * mmioRead [WINMM.124] */ LONG WINAPI mmioRead32(HMMIO32 hmmio, HPSTR pch, LONG cch) { LONG count; LPMMIOINFO16 lpmminfo; TRACE(mmio, "(%04X, %p, %ld);\n", hmmio, pch, cch); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo == NULL) return -1; if (lpmminfo->pchNext != lpmminfo->pchEndRead) { count = lpmminfo->pchEndRead - lpmminfo->pchNext; if (count > cch || count < 0) count = cch; memcpy(pch, lpmminfo->pchNext, count); lpmminfo->pchNext += count; pch += count; cch -= count; } else count = 0; if (cch&&(lpmminfo->fccIOProc!=FOURCC_MEM)) { if (lpmminfo->cchBuffer) { mmioFlush32(hmmio, MMIO_EMPTYBUF); while (cch) { LONG size; lpmminfo->lBufOffset = lpmminfo->lDiskOffset; lpmminfo->pchNext = lpmminfo->pchBuffer; lpmminfo->pchEndRead = lpmminfo->pchBuffer; size = mmioSendMessage(hmmio, MMIOM_READ, (LPARAM) lpmminfo->pchBuffer, (LPARAM) lpmminfo->cchBuffer); if (size<=0) break; lpmminfo->pchEndRead = lpmminfo->pchBuffer + size; if (size > cch) size = cch; memcpy(pch, lpmminfo->pchNext, size); lpmminfo->pchNext += size; pch += size; cch -= size; count += size; } } else { count += mmioSendMessage(hmmio, MMIOM_READ, (LPARAM) pch, (LPARAM) cch); if (count>0) lpmminfo->lBufOffset += count; } } GlobalUnlock16(hmmio); TRACE(mmio, "count=%ld\n", count); return count; } /************************************************************************** * mmioRead [MMSYSTEM.1212] */ LONG WINAPI mmioRead16(HMMIO16 hmmio, HPSTR pch, LONG cch) { return mmioRead32(hmmio,pch,cch); } /************************************************************************** * mmioWrite [WINMM.133] */ LONG WINAPI mmioWrite32(HMMIO32 hmmio, HPCSTR pch, LONG cch) { LONG count; LPMMIOINFO16 lpmminfo; TRACE(mmio, "(%04X, %p, %ld);\n", hmmio, pch, cch); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo == NULL) return -1; if (lpmminfo->cchBuffer) { count = 0; while (cch) { if (lpmminfo->pchNext != lpmminfo->pchEndWrite) { count = lpmminfo->pchEndWrite - lpmminfo->pchNext; if (count > cch || count < 0) count = cch; memcpy(lpmminfo->pchNext, pch, count); lpmminfo->pchNext += count; pch += count; cch -= count; lpmminfo->dwFlags |= MMIO_DIRTY; } else if (lpmminfo->fccIOProc==FOURCC_MEM) { if (lpmminfo->adwInfo[0]) { /* from where would we get the memory handle? */ FIXME(mmio, "memory file expansion not implemented!\n"); } else break; } if (lpmminfo->pchNext == lpmminfo->pchEndWrite && mmioFlush32(hmmio, MMIO_EMPTYBUF)) break; } } else { count = mmioSendMessage(hmmio, MMIOM_WRITE, (LPARAM) pch, (LPARAM) cch); lpmminfo->lBufOffset = lpmminfo->lDiskOffset; } GlobalUnlock16(hmmio); TRACE(mmio, "count=%ld\n", count); return count; } /************************************************************************** * mmioWrite [MMSYSTEM.1213] */ LONG WINAPI mmioWrite16(HMMIO16 hmmio, HPCSTR pch, LONG cch) { return mmioWrite32(hmmio,pch,cch); } /************************************************************************** * mmioSeek [MMSYSTEM.1214] */ LONG WINAPI mmioSeek32(HMMIO32 hmmio, LONG lOffset, INT32 iOrigin) { int offset; LPMMIOINFO16 lpmminfo; TRACE(mmio, "(%04X, %08lX, %d);\n", hmmio, lOffset, iOrigin); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo == NULL) return -1; offset = (iOrigin==SEEK_SET)?(lOffset - lpmminfo->lBufOffset): (iOrigin==SEEK_CUR)?(lOffset + (lpmminfo->pchNext - lpmminfo->pchBuffer)):-1; if ((lpmminfo->cchBuffer<0)|| ((offset>=0)&&(offset<=(lpmminfo->pchEndRead-lpmminfo->pchBuffer)))) { lpmminfo->pchNext = lpmminfo->pchBuffer + offset; GlobalUnlock16(hmmio); return lpmminfo->lBufOffset + offset; } if ((lpmminfo->fccIOProc==FOURCC_MEM)||mmioFlush32(hmmio, MMIO_EMPTYBUF)) { GlobalUnlock16(hmmio); return -1; } offset = mmioSendMessage(hmmio, MMIOM_SEEK, (LPARAM) lOffset, (LPARAM) iOrigin); lpmminfo->lBufOffset = lpmminfo->lDiskOffset; GlobalUnlock16(hmmio); return offset; } /************************************************************************** * mmioSeek [MMSYSTEM.1214] */ LONG WINAPI mmioSeek16(HMMIO16 hmmio, LONG lOffset, INT16 iOrigin) { return mmioSeek32(hmmio,lOffset,iOrigin); } /************************************************************************** * mmioGetInfo [MMSYSTEM.1215] */ UINT16 WINAPI mmioGetInfo16(HMMIO16 hmmio, MMIOINFO16 * lpmmioinfo, UINT16 uFlags) { LPMMIOINFO16 lpmminfo; TRACE(mmio, "mmioGetInfo\n"); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo == NULL) return 0; memcpy(lpmmioinfo, lpmminfo, sizeof(MMIOINFO16)); GlobalUnlock16(hmmio); return 0; } /************************************************************************** * mmioGetInfo [WINMM.118] */ UINT32 WINAPI mmioGetInfo32(HMMIO32 hmmio, MMIOINFO32*lpmmioinfo, UINT32 uFlags) { MMIOINFO16 mmioinfo; LPMMIOINFO16 lpmminfo=&mmioinfo; UINT16 ret; TRACE(mmio, "(0x%04x,%p,0x%08x)\n",hmmio,lpmmioinfo,uFlags); ret = mmioGetInfo16(hmmio,&mmioinfo,uFlags); if (!ret) return 0; lpmmioinfo->dwFlags = lpmminfo->dwFlags; lpmmioinfo->fccIOProc = lpmminfo->fccIOProc; lpmmioinfo->pIOProc = (LPMMIOPROC32)lpmminfo->pIOProc; lpmmioinfo->wErrorRet = lpmminfo->wErrorRet; lpmmioinfo->htask = lpmminfo->htask; lpmmioinfo->cchBuffer = lpmminfo->cchBuffer; lpmmioinfo->pchBuffer = lpmminfo->pchBuffer; lpmmioinfo->pchNext = lpmminfo->pchNext; lpmmioinfo->pchEndRead = lpmminfo->pchEndRead; lpmmioinfo->pchEndWrite = lpmminfo->pchEndWrite; lpmmioinfo->lBufOffset = lpmminfo->lBufOffset; lpmmioinfo->lDiskOffset = lpmminfo->lDiskOffset; memcpy(lpmmioinfo->adwInfo,lpmminfo->adwInfo,sizeof(lpmminfo->adwInfo)); lpmmioinfo->dwReserved1 = lpmminfo->dwReserved1; lpmmioinfo->dwReserved2 = lpmminfo->dwReserved2; lpmmioinfo->hmmio = lpmminfo->hmmio; return 0; } /************************************************************************** * mmioSetInfo [MMSYSTEM.1216] */ UINT16 WINAPI mmioSetInfo16(HMMIO16 hmmio, const MMIOINFO16 * lpmmioinfo, UINT16 uFlags) { LPMMIOINFO16 lpmminfo; TRACE(mmio, "mmioSetInfo\n"); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo == NULL) return 0; lpmminfo->pchNext = lpmmioinfo->pchNext; lpmminfo->pchEndRead = lpmmioinfo->pchEndRead; GlobalUnlock16(hmmio); return 0; } /************************************************************************** * mmioSetInfo [WINMM.130] */ UINT32 WINAPI mmioSetInfo32(HMMIO32 hmmio, const MMIOINFO32 * lpmmioinfo, UINT32 uFlags) { LPMMIOINFO16 lpmminfo; TRACE(mmio, "mmioSetInfo\n"); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo == NULL) return 0; lpmminfo->pchNext = lpmmioinfo->pchNext; lpmminfo->pchEndRead = lpmmioinfo->pchEndRead; GlobalUnlock16(hmmio); return 0; } /************************************************************************** * mmioSetBuffer [WINMM.129] */ UINT32 WINAPI mmioSetBuffer32(HMMIO32 hmmio, LPSTR pchBuffer, LONG cchBuffer, UINT32 uFlags) { LPMMIOINFO16 lpmminfo; if (mmioFlush32(hmmio, MMIO_EMPTYBUF) != 0) return MMIOERR_CANNOTWRITE; TRACE(mmio, "(hmmio=%04x, pchBuf=%p, cchBuf=%ld, uFlags=%#08x)\n", hmmio, pchBuffer, cchBuffer, uFlags); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo == NULL) return 0; if ((!cchBuffer || pchBuffer) && lpmminfo->dwFlags&MMIO_ALLOCBUF) { GlobalUnlock16(lpmminfo->dwReserved1); GlobalFree16(lpmminfo->dwReserved1); lpmminfo->dwFlags &= ~MMIO_ALLOCBUF; } if (pchBuffer) { lpmminfo->pchBuffer = pchBuffer; } else if (lpmminfo->dwFlags&MMIO_ALLOCBUF) { HGLOBAL16 hNewBuf; GlobalUnlock16(lpmminfo->dwReserved1); hNewBuf = GlobalReAlloc16(lpmminfo->dwReserved1, cchBuffer, 0); if (!hNewBuf) { /* FIXME: this assumes the memory block didn't move */ GlobalLock16(lpmminfo->dwReserved1); GlobalUnlock16(hmmio); return MMIOERR_OUTOFMEMORY; } lpmminfo->dwReserved1 = hNewBuf; lpmminfo->pchBuffer = GlobalLock16(hNewBuf); } else if (cchBuffer) { HGLOBAL16 hNewBuf = GlobalAlloc16(GMEM_MOVEABLE, cchBuffer); if (!hNewBuf) { GlobalUnlock16(hmmio); return MMIOERR_OUTOFMEMORY; } lpmminfo->dwReserved1 = hNewBuf; lpmminfo->pchBuffer = GlobalLock16(hNewBuf); lpmminfo->dwFlags |= MMIO_ALLOCBUF; } else lpmminfo->pchBuffer = NULL; lpmminfo->cchBuffer = cchBuffer; lpmminfo->pchNext = lpmminfo->pchBuffer; lpmminfo->pchEndRead = lpmminfo->pchBuffer; lpmminfo->pchEndWrite = lpmminfo->pchBuffer + cchBuffer; lpmminfo->lBufOffset = 0; GlobalUnlock16(hmmio); return (UINT16) 0; } /************************************************************************** * mmioSetBuffer [MMSYSTEM.1217] */ UINT16 WINAPI mmioSetBuffer16(HMMIO16 hmmio, LPSTR pchBuffer, LONG cchBuffer, UINT16 uFlags) { return mmioSetBuffer32(hmmio, pchBuffer, cchBuffer, uFlags); } /************************************************************************** * mmioFlush [WINMM.117] */ UINT32 WINAPI mmioFlush32(HMMIO32 hmmio, UINT32 uFlags) { LPMMIOINFO16 lpmminfo; TRACE(mmio, "(%04X, %04X)\n", hmmio, uFlags); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo == NULL) return 0; if ((!lpmminfo->cchBuffer)||(lpmminfo->fccIOProc==FOURCC_MEM)) { GlobalUnlock16(hmmio); return 0; } /* not quite sure what to do here, but I'll guess */ if (lpmminfo->dwFlags & MMIO_DIRTY) { mmioSendMessage(hmmio, MMIOM_SEEK, (LPARAM) lpmminfo->lBufOffset, (LPARAM) SEEK_SET); mmioSendMessage(hmmio, MMIOM_WRITE, (LPARAM) lpmminfo->pchBuffer, (LPARAM) (lpmminfo->pchNext - lpmminfo->pchBuffer) ); lpmminfo->dwFlags &= ~MMIO_DIRTY; } if (uFlags & MMIO_EMPTYBUF) { /* seems Windows doesn't do any seeking here, hopefully this won't matter, otherwise a slight rewrite is necessary */ mmioSendMessage(hmmio, MMIOM_SEEK, (LPARAM) (lpmminfo->lBufOffset + (lpmminfo->pchNext - lpmminfo->pchBuffer)), (LPARAM) SEEK_SET); lpmminfo->pchNext = lpmminfo->pchBuffer; lpmminfo->pchEndRead = lpmminfo->pchBuffer; lpmminfo->lBufOffset = lpmminfo->lDiskOffset; } GlobalUnlock16(hmmio); return 0; } /************************************************************************** * mmioFlush [MMSYSTEM.1218] */ UINT16 WINAPI mmioFlush16(HMMIO16 hmmio, UINT16 uFlags) { return mmioFlush32(hmmio,uFlags); } /************************************************************************** * mmioAdvance [MMSYSTEM.1219] */ UINT32 WINAPI mmioAdvance32(HMMIO32 hmmio,MMIOINFO32*lpmmioinfo,UINT32 uFlags) { LPMMIOINFO16 lpmminfo; TRACE(mmio, "mmioAdvance\n"); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo == NULL) return 0; if (!lpmminfo->cchBuffer) { GlobalUnlock16(hmmio); return MMIOERR_UNBUFFERED; } lpmminfo->pchNext = lpmmioinfo->pchNext; if (mmioFlush32(hmmio, MMIO_EMPTYBUF)) { GlobalUnlock16(hmmio); return MMIOERR_CANNOTWRITE; } if (uFlags == MMIO_READ) lpmmioinfo->pchEndRead = lpmmioinfo->pchBuffer + mmioSendMessage(hmmio, MMIOM_READ, (LPARAM) lpmmioinfo->pchBuffer, (LPARAM) lpmmioinfo->cchBuffer); #if 0 /* mmioFlush32 already did the writing */ if (uFlags == MMIO_WRITE) mmioSendMessage(hmmio, MMIOM_WRITE, (LPARAM) lpmmioinfo->pchBuffer, (LPARAM) lpmmioinfo->cchBuffer); #endif lpmmioinfo->pchNext = lpmmioinfo->pchBuffer; GlobalUnlock16(hmmio); return 0; } /************************************************************************** * mmioAdvance [MMSYSTEM.1219] */ UINT16 WINAPI mmioAdvance16(HMMIO16 hmmio,MMIOINFO16*lpmmioinfo,UINT16 uFlags) { LPMMIOINFO16 lpmminfo; TRACE(mmio, "mmioAdvance\n"); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo == NULL) return 0; if (!lpmminfo->cchBuffer) { GlobalUnlock16(hmmio); return MMIOERR_UNBUFFERED; } lpmminfo->pchNext = lpmmioinfo->pchNext; if (mmioFlush32(hmmio, MMIO_EMPTYBUF)) { GlobalUnlock16(hmmio); return MMIOERR_CANNOTWRITE; } if (uFlags == MMIO_READ) lpmmioinfo->pchEndRead = lpmmioinfo->pchBuffer + mmioSendMessage(hmmio, MMIOM_READ, (LPARAM) lpmmioinfo->pchBuffer, (LPARAM) lpmmioinfo->cchBuffer); #if 0 /* mmioFlush32 already did the writing */ if (uFlags == MMIO_WRITE) mmioSendMessage(hmmio, MMIOM_WRITE, (LPARAM) lpmmioinfo->pchBuffer, (LPARAM) lpmmioinfo->cchBuffer); #endif lpmmioinfo->pchNext = lpmmioinfo->pchBuffer; GlobalUnlock16(hmmio); return 0; } /************************************************************************** * mmioStringToFOURCCA [WINMM.131] */ FOURCC WINAPI mmioStringToFOURCC32A(LPCSTR sz, UINT32 uFlags) { return mmioStringToFOURCC16(sz,uFlags); } /************************************************************************** * mmioStringToFOURCCW [WINMM.132] */ FOURCC WINAPI mmioStringToFOURCC32W(LPCWSTR sz, UINT32 uFlags) { LPSTR szA = HEAP_strdupWtoA(GetProcessHeap(),0,sz); FOURCC ret = mmioStringToFOURCC32A(szA,uFlags); HeapFree(GetProcessHeap(),0,szA); return ret; } /************************************************************************** * mmioStringToFOURCC [MMSYSTEM.1220] */ FOURCC WINAPI mmioStringToFOURCC16(LPCSTR sz, UINT16 uFlags) { return mmioFOURCC(sz[0],sz[1],sz[2],sz[3]); } /************************************************************************** * mmioInstallIOProc16 [MMSYSTEM.1221] */ LPMMIOPROC16 WINAPI mmioInstallIOProc16(FOURCC fccIOProc, LPMMIOPROC16 pIOProc, DWORD dwFlags) { TRACE(mmio, "(%ld, %p, %08lX)\n", fccIOProc, pIOProc, dwFlags); if (dwFlags & MMIO_GLOBALPROC) { FIXME(mmio, " global procedures not implemented\n"); } /* just handle the known procedures for now */ switch(dwFlags & (MMIO_INSTALLPROC|MMIO_REMOVEPROC|MMIO_FINDPROC)) { case MMIO_INSTALLPROC: return NULL; case MMIO_REMOVEPROC: return NULL; case MMIO_FINDPROC: if (fccIOProc == FOURCC_DOS) return (LPMMIOPROC16) mmioDosIOProc; else if (fccIOProc == FOURCC_MEM) return (LPMMIOPROC16) mmioMemIOProc; else return NULL; default: return NULL; } } /************************************************************************** * mmioInstallIOProc32A [WINMM.120] */ LPMMIOPROC32 WINAPI mmioInstallIOProc32A(FOURCC fccIOProc, LPMMIOPROC32 pIOProc, DWORD dwFlags) { FIXME(mmio, "(%c%c%c%c,%p,0x%08lx) -- empty stub \n", (char)((fccIOProc&0xff000000)>>24), (char)((fccIOProc&0x00ff0000)>>16), (char)((fccIOProc&0x0000ff00)>> 8), (char)(fccIOProc&0x000000ff), pIOProc, dwFlags ); return 0; } /************************************************************************** * mmioSendMessage [MMSYSTEM.1222] */ LRESULT WINAPI mmioSendMessage(HMMIO16 hmmio, UINT16 uMessage, LPARAM lParam1, LPARAM lParam2) { LPMMIOINFO16 lpmminfo; LRESULT result; const char *msg = NULL; #ifdef DEBUG_RUNTIME switch (uMessage) { #define msgname(x) case x: msg = #x; break; msgname(MMIOM_OPEN); msgname(MMIOM_CLOSE); msgname(MMIOM_READ); msgname(MMIOM_WRITE); msgname(MMIOM_WRITEFLUSH); msgname(MMIOM_SEEK); msgname(MMIOM_RENAME); #undef msgname } #endif if (msg) TRACE(mmio, "(%04X, %s, %ld, %ld)\n", hmmio, msg, lParam1, lParam2); else TRACE(mmio, "(%04X, %u, %ld, %ld)\n", hmmio, uMessage, lParam1, lParam2); lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio); if (lpmminfo && lpmminfo->pIOProc) result = (*lpmminfo->pIOProc)((LPSTR)lpmminfo, uMessage, lParam1, lParam2); else result = MMSYSERR_INVALPARAM; GlobalUnlock16(hmmio); return result; } /************************************************************************** * mmioDescend [MMSYSTEM.1223] */ UINT16 WINAPI mmioDescend(HMMIO16 hmmio, MMCKINFO * lpck, const MMCKINFO * lpckParent, UINT16 uFlags) { DWORD dwfcc, dwOldPos; TRACE(mmio, "(%04X, %p, %p, %04X);\n", hmmio, lpck, lpckParent, uFlags); if (lpck == NULL) return 0; dwfcc = lpck->ckid; TRACE(mmio, "dwfcc=%08lX\n", dwfcc); dwOldPos = mmioSeek32(hmmio, 0, SEEK_CUR); TRACE(mmio, "dwOldPos=%ld\n", dwOldPos); if (lpckParent != NULL) { TRACE(mmio, "seek inside parent at %ld !\n", lpckParent->dwDataOffset); dwOldPos = mmioSeek32(hmmio,lpckParent->dwDataOffset,SEEK_SET); } /* It seems to be that FINDRIFF should not be treated the same as the other FINDxxx so I treat it as a MMIO_FINDxxx if ((uFlags & MMIO_FINDCHUNK) || (uFlags & MMIO_FINDRIFF) || (uFlags & MMIO_FINDLIST)) { */ if ((uFlags & MMIO_FINDCHUNK) || (uFlags & MMIO_FINDLIST)) { TRACE(mmio, "MMIO_FINDxxxx dwfcc=%08lX !\n", dwfcc); while (TRUE) { LONG ix; ix = mmioRead32(hmmio, (LPSTR)lpck, 3 * sizeof(DWORD)); TRACE(mmio, "after _lread32 ix = %ld req = %d, errno = %d\n",ix,3 * sizeof(DWORD),errno); if (ix < sizeof(DWORD)) { mmioSeek32(hmmio, dwOldPos, SEEK_SET); WARN(mmio, "return ChunkNotFound\n"); return MMIOERR_CHUNKNOTFOUND; } lpck->dwDataOffset = dwOldPos + 2 * sizeof(DWORD); if (lpck->ckid == FOURCC_RIFF || lpck->ckid == FOURCC_LIST) lpck->dwDataOffset += sizeof(DWORD); if (ix < lpck->dwDataOffset - dwOldPos) { mmioSeek32(hmmio, dwOldPos, SEEK_SET); WARN(mmio, "return ChunkNotFound\n"); return MMIOERR_CHUNKNOTFOUND; } TRACE(mmio, "dwfcc=%08lX ckid=%08lX cksize=%08lX !\n", dwfcc, lpck->ckid, lpck->cksize); if (dwfcc == lpck->ckid) break; dwOldPos = lpck->dwDataOffset + lpck->cksize; mmioSeek32(hmmio, dwOldPos, SEEK_SET); } } else { if (mmioRead32(hmmio, (LPSTR)lpck, sizeof(MMCKINFO)) < sizeof(MMCKINFO)) { mmioSeek32(hmmio, dwOldPos, SEEK_SET); WARN(mmio, "return ChunkNotFound 2nd\n"); return MMIOERR_CHUNKNOTFOUND; } lpck->dwDataOffset = dwOldPos + 2 * sizeof(DWORD); if (lpck->ckid == FOURCC_RIFF || lpck->ckid == FOURCC_LIST) lpck->dwDataOffset += sizeof(DWORD); } mmioSeek32(hmmio, lpck->dwDataOffset, SEEK_SET); TRACE(mmio, "lpck->ckid=%08lX lpck->cksize=%ld !\n", lpck->ckid, lpck->cksize); TRACE(mmio, "lpck->fccType=%08lX !\n", lpck->fccType); return 0; } /************************************************************************** * mmioAscend [WINMM.113] */ UINT32 WINAPI mmioAscend32(HMMIO32 hmmio, MMCKINFO * lpck, UINT32 uFlags) { TRACE(mmio, "(%04X, %p, %04X);\n", hmmio, lpck, uFlags); if (lpck->dwFlags&MMIO_DIRTY) { DWORD dwOldPos, dwNewSize, dwSizePos; TRACE(mmio, "chunk is marked MMIO_DIRTY, correcting chunk size\n"); dwOldPos = mmioSeek32(hmmio, 0, SEEK_CUR); TRACE(mmio, "dwOldPos=%ld\n", dwOldPos); dwNewSize = dwOldPos - lpck->dwDataOffset; if (dwNewSize != lpck->cksize) { TRACE(mmio, "dwNewSize=%ld\n", dwNewSize); lpck->cksize = dwNewSize; dwSizePos = lpck->dwDataOffset - sizeof(DWORD); if (lpck->ckid == FOURCC_RIFF || lpck->ckid == FOURCC_LIST) dwSizePos -= sizeof(DWORD); TRACE(mmio, "dwSizePos=%ld\n", dwSizePos); mmioSeek32(hmmio, dwSizePos, SEEK_SET); mmioWrite32(hmmio, (LPSTR)&dwNewSize, sizeof(DWORD)); } } mmioSeek32(hmmio,lpck->dwDataOffset+lpck->cksize,SEEK_SET); return 0; } /************************************************************************** * mmioAscend [MMSYSTEM.1224] */ UINT16 WINAPI mmioAscend16(HMMIO16 hmmio, MMCKINFO * lpck, UINT16 uFlags) { return mmioAscend32(hmmio,lpck,uFlags); } /************************************************************************** * mmioCreateChunk [MMSYSTEM.1225] */ UINT16 WINAPI mmioCreateChunk16(HMMIO16 hmmio, MMCKINFO * lpck, UINT16 uFlags) { DWORD dwOldPos; LONG ix; TRACE(mmio, "(%04X, %p, %04X);\n", hmmio, lpck, uFlags); dwOldPos = mmioSeek32(hmmio, 0, SEEK_CUR); TRACE(mmio, "dwOldPos=%ld\n", dwOldPos); if (uFlags == MMIO_CREATELIST) lpck->ckid = FOURCC_LIST; else if (uFlags == MMIO_CREATERIFF) lpck->ckid = FOURCC_RIFF; TRACE(mmio, "ckid=%08lX\n", lpck->ckid); lpck->dwDataOffset = dwOldPos + 2 * sizeof(DWORD); if (lpck->ckid == FOURCC_RIFF || lpck->ckid == FOURCC_LIST) lpck->dwDataOffset += sizeof(DWORD); lpck->dwFlags = MMIO_DIRTY; ix = mmioWrite32(hmmio, (LPSTR)lpck, lpck->dwDataOffset - dwOldPos); TRACE(mmio, "after _lwrite32 ix = %ld req = %ld, errno = %d\n",ix,lpck->dwDataOffset - dwOldPos,errno); if (ix < lpck->dwDataOffset - dwOldPos) { mmioSeek32(hmmio, dwOldPos, SEEK_SET); WARN(mmio, "return CannotWrite\n"); return MMIOERR_CANNOTWRITE; } return 0; } /************************************************************************** * mmioCreateChunk [WINMM.115] */ UINT32 WINAPI mmioCreateChunk32(HMMIO32 hmmio, MMCKINFO * lpck, UINT32 uFlags) { return mmioCreateChunk16(hmmio, lpck, uFlags); } /************************************************************************** * mmioRename [MMSYSTEM.1226] */ UINT16 WINAPI mmioRename16(LPCSTR szFileName, LPCSTR szNewFileName, MMIOINFO16 * lpmmioinfo, DWORD dwRenameFlags) { UINT16 result; LPMMIOINFO16 lpmminfo; HMMIO16 hmmio; TRACE(mmio, "('%s', '%s', %p, %08lX);\n", szFileName, szNewFileName, lpmmioinfo, dwRenameFlags); hmmio = GlobalAlloc16(GHND, sizeof(MMIOINFO16)); lpmminfo = (LPMMIOINFO16) GlobalLock16(hmmio); if (lpmmioinfo) memcpy(lpmminfo, lpmmioinfo, sizeof(MMIOINFO16)); /* assume DOS file if not otherwise specified */ if (lpmminfo->fccIOProc == 0 && lpmminfo->pIOProc == NULL) { lpmminfo->fccIOProc = mmioFOURCC('D', 'O', 'S', ' '); lpmminfo->pIOProc = (LPMMIOPROC16) mmioDosIOProc; } /* if just the four character code is present, look up IO proc */ else if (lpmminfo->pIOProc == NULL) { lpmminfo->pIOProc = mmioInstallIOProc16(lpmminfo->fccIOProc, NULL, MMIO_FINDPROC); } /* (if IO proc specified, use it and specified four character code) */ result = (UINT16) mmioSendMessage(hmmio, MMIOM_RENAME, (LPARAM) szFileName, (LPARAM) szNewFileName); GlobalUnlock16(hmmio); GlobalFree16(hmmio); return result; } /************************************************************************** * mmioRenameA [WINMM.125] */ UINT32 WINAPI mmioRename32A(LPCSTR szFileName, LPCSTR szNewFileName, MMIOINFO32* lpmmioinfo, DWORD dwRenameFlags) { FIXME(mmio, "This may fail\n"); return mmioRename16(szFileName, szNewFileName, (MMIOINFO16*)lpmmioinfo, dwRenameFlags); } /************************************************************************** * mmioRenameW [WINMM.126] */ UINT32 WINAPI mmioRename32W(LPCWSTR szFileName, LPCWSTR szNewFileName, MMIOINFO32* lpmmioinfo, DWORD dwRenameFlags) { LPSTR szFn = HEAP_strdupWtoA(GetProcessHeap(), 0, szFileName); LPSTR sznFn = HEAP_strdupWtoA(GetProcessHeap(), 0, szNewFileName); UINT32 ret = mmioRename32A(szFn, sznFn, lpmmioinfo, dwRenameFlags); HeapFree(GetProcessHeap(),0,szFn); HeapFree(GetProcessHeap(),0,sznFn); return ret; }