/* -*- 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 #include #include #include #include #include "windef.h" #include "wine/winbase16.h" #include "heap.h" #include "mmsystem.h" #include "debugtools.h" #include "winemm.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 */ FIXME("MMIOM_RENAME incomplete\n"); 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 thru */ 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-extentions must be uppercase */ ret = mmioStringToFOURCCA(ext, MMIO_TOUPPER); } } return ret; } /************************************************************************** * MMIO_Get [internal] * * Retirieves from current process the mmio object */ 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); for (m = &(iData->lpMMIO); *m && *m != wm; m = &(*m)->lpNext); 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.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, MMIO_EMPTYBUF) != 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.123] */ 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.122] */ 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.114] */ 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, MMIO_EMPTYBUF)) != 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.124] */ 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.133] */ 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 [MMSYSTEM.1214] */ 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, MMIO_EMPTYBUF) || /* 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("mmioGetInfo\n"); 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.118] */ 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; } /************************************************************************** * mmioSetInfo16 [MMSYSTEM.1216] */ UINT16 WINAPI mmioSetInfo16(HMMIO16 hmmio, const MMIOINFO16* lpmmioinfo, UINT16 uFlags) { LPWINE_MMIO wm; TRACE("mmioSetInfo\n"); 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.130] */ UINT WINAPI mmioSetInfo(HMMIO hmmio, const MMIOINFO* lpmmioinfo, UINT uFlags) { LPWINE_MMIO wm; TRACE("mmioSetInfo\n"); 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.129] */ 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.117] */ 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 [MMSYSTEM.1219] */ 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, MMIO_EMPTYBUF)) 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("mmioAdvance\n"); 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, MMIO_EMPTYBUF)) 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.131] */ 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] = ' '; i++; } TRACE("Got %c%c%c%c\n",cc[0],cc[1],cc[2],cc[3]); return mmioFOURCC(cc[0],cc[1],cc[2],cc[3]); } /************************************************************************** * mmioStringToFOURCCW [WINMM.132] */ 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); } /************************************************************************** * mmioInstallIOProc16 [MMSYSTEM.1221] */ LPMMIOPROC16 WINAPI mmioInstallIOProc16(FOURCC fccIOProc, LPMMIOPROC16 pIOProc, DWORD dwFlags) { return (LPMMIOPROC16)MMIO_InstallIOProc(fccIOProc, (LPMMIOPROC)pIOProc, dwFlags, MMIO_PROC_16); } /************************************************************************** * mmioInstallIOProcA [WINMM.120] */ 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); } /************************************************************************** * mmioSendMessage16 [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 [MMSYSTEM.1223] */ 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:"", 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; } /************************************************************************** * mmioDescend16 [MMSYSTEM.1223] */ UINT16 WINAPI mmioDescend16(HMMIO16 hmmio, LPMMCKINFO lpck, const MMCKINFO* lpckParent, UINT16 uFlags) { return mmioDescend(hmmio, lpck, lpckParent, uFlags); } /************************************************************************** * mmioAscend [WINMM.113] */ 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, dwSizePos; TRACE("chunk is marked MMIO_DIRTY, correcting chunk size\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("dwNewSize=%ld\n", dwNewSize); lpck->cksize = dwNewSize; dwSizePos = lpck->dwDataOffset - sizeof(DWORD); TRACE("dwSizePos=%ld\n", dwSizePos); mmioSeek(hmmio, dwSizePos, SEEK_SET); mmioWrite(hmmio, (LPSTR)&dwNewSize, sizeof(DWORD)); } } 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 [MMSYSTEM.1225] */ UINT16 WINAPI mmioCreateChunk16(HMMIO16 hmmio, MMCKINFO* lpck, UINT16 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=%08lX\n", 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 [WINMM.115] */ UINT WINAPI mmioCreateChunk(HMMIO hmmio, MMCKINFO* lpck, UINT uFlags) { return mmioCreateChunk16(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.125] */ 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.126] */ 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; }