diff --git a/reactos/dll/win32/winmm/mci.c b/reactos/dll/win32/winmm/mci.c index 257d79e3aff..b5ee88de9cf 100644 --- a/reactos/dll/win32/winmm/mci.c +++ b/reactos/dll/win32/winmm/mci.c @@ -37,11 +37,6 @@ * - command table handling isn't thread safe */ -/* to be cross checked: - * - heapalloc for *sizeof(WCHAR) when needed - * - size of string in WCHAR or bytes? (#chars for MCI_INFO, #bytes for MCI_SYSINFO) - */ - #include "winemm.h" #include @@ -1726,19 +1721,25 @@ static DWORD MCI_WriteString(LPWSTR lpDstStr, DWORD dstSize, LPCWSTR lpSrcStr) static DWORD MCI_SysInfo(UINT uDevID, DWORD dwFlags, LPMCI_SYSINFO_PARMSW lpParms) { DWORD ret = MCIERR_INVALID_DEVICE_ID, cnt = 0; - WCHAR buf[2048], *s = buf, *p; + WCHAR buf[2048], *s, *p; LPWINE_MCIDRIVER wmd; HKEY hKey; - if (lpParms == NULL || lpParms->lpstrReturn == NULL) - return MCIERR_NULL_PARAMETER_BLOCK; + if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK; + if (lpParms->lpstrReturn == NULL) return MCIERR_PARAM_OVERFLOW; TRACE("(%08x, %08X, %p[num=%d, wDevTyp=%u])\n", uDevID, dwFlags, lpParms, lpParms->dwNumber, lpParms->wDeviceType); + if ((WORD)MCI_ALL_DEVICE_ID == LOWORD(uDevID)) + uDevID = MCI_ALL_DEVICE_ID; /* Be compatible with Win9x */ - switch (dwFlags & ~MCI_SYSINFO_OPEN) { + switch (dwFlags & ~(MCI_SYSINFO_OPEN|MCI_NOTIFY|MCI_WAIT)) { case MCI_SYSINFO_QUANTITY: - if (lpParms->wDeviceType < MCI_DEVTYPE_FIRST || lpParms->wDeviceType > MCI_DEVTYPE_LAST) { + if (lpParms->dwRetSize < sizeof(DWORD)) + return MCIERR_PARAM_OVERFLOW; + /* Win9x returns 0 for 0 < uDevID < (UINT16)MCI_ALL_DEVICE_ID */ + if (uDevID == MCI_ALL_DEVICE_ID) { + /* wDeviceType == MCI_ALL_DEVICE_ID is not recognized. */ if (dwFlags & MCI_SYSINFO_OPEN) { TRACE("MCI_SYSINFO_QUANTITY: # of open MCI drivers\n"); EnterCriticalSection(&WINMM_cs); @@ -1758,21 +1759,32 @@ static DWORD MCI_SysInfo(UINT uDevID, DWORD dwFlags, LPMCI_SYSINFO_PARMSW lpParm } } else { if (dwFlags & MCI_SYSINFO_OPEN) { - TRACE("MCI_SYSINFO_QUANTITY: # of open MCI drivers of type %u\n", lpParms->wDeviceType); + TRACE("MCI_SYSINFO_QUANTITY: # of open MCI drivers of type %d\n", lpParms->wDeviceType); EnterCriticalSection(&WINMM_cs); for (wmd = MciDrivers; wmd; wmd = wmd->lpNext) { if (wmd->wType == lpParms->wDeviceType) cnt++; } LeaveCriticalSection(&WINMM_cs); } else { - TRACE("MCI_SYSINFO_QUANTITY: # of installed MCI drivers of type %u\n", lpParms->wDeviceType); + TRACE("MCI_SYSINFO_QUANTITY: # of installed MCI drivers of type %d\n", lpParms->wDeviceType); FIXME("Don't know how to get # of MCI devices of a given type\n"); - cnt = 1; + /* name = LoadStringW(hWinMM32Instance, LOWORD(lpParms->wDeviceType)) + * then lookup registry and/or system.ini for name, ignoring digits suffix */ + switch (LOWORD(lpParms->wDeviceType)) { + case MCI_DEVTYPE_CD_AUDIO: + case MCI_DEVTYPE_WAVEFORM_AUDIO: + case MCI_DEVTYPE_SEQUENCER: + cnt = 1; + break; + default: /* "digitalvideo" gets 0 because it's not in the registry */ + cnt = 0; + } } } *(DWORD*)lpParms->lpstrReturn = cnt; TRACE("(%d) => '%d'\n", lpParms->dwNumber, *(DWORD*)lpParms->lpstrReturn); ret = MCI_INTEGER_RETURNED; + /* return ret; Only Win9x sends a notification in this case. */ break; case MCI_SYSINFO_INSTALLNAME: TRACE("MCI_SYSINFO_INSTALLNAME\n"); @@ -1780,18 +1792,33 @@ static DWORD MCI_SysInfo(UINT uDevID, DWORD dwFlags, LPMCI_SYSINFO_PARMSW lpParm ret = MCI_WriteString(lpParms->lpstrReturn, lpParms->dwRetSize, wmd->lpstrDeviceType); } else { - *lpParms->lpstrReturn = 0; - ret = MCIERR_INVALID_DEVICE_ID; + ret = (uDevID == MCI_ALL_DEVICE_ID) + ? MCIERR_CANNOT_USE_ALL : MCIERR_INVALID_DEVICE_NAME; } TRACE("(%d) => %s\n", lpParms->dwNumber, debugstr_w(lpParms->lpstrReturn)); break; case MCI_SYSINFO_NAME: - TRACE("MCI_SYSINFO_NAME\n"); + s = NULL; if (dwFlags & MCI_SYSINFO_OPEN) { - FIXME("Don't handle MCI_SYSINFO_NAME|MCI_SYSINFO_OPEN (yet)\n"); - ret = MCIERR_UNRECOGNIZED_COMMAND; - } else { - s = NULL; + /* Win9x returns 0 for 0 < uDevID < (UINT16)MCI_ALL_DEVICE_ID */ + TRACE("MCI_SYSINFO_NAME: nth alias of type %d\n", + uDevID == MCI_ALL_DEVICE_ID ? MCI_ALL_DEVICE_ID : lpParms->wDeviceType); + EnterCriticalSection(&WINMM_cs); + for (wmd = MciDrivers; wmd; wmd = wmd->lpNext) { + /* wDeviceType == MCI_ALL_DEVICE_ID is not recognized. */ + if (uDevID == MCI_ALL_DEVICE_ID || + lpParms->wDeviceType == wmd->wType) { + cnt++; + if (cnt == lpParms->dwNumber) { + s = wmd->lpstrAlias; + break; + } + } + } + LeaveCriticalSection(&WINMM_cs); + ret = s ? MCI_WriteString(lpParms->lpstrReturn, lpParms->dwRetSize, s) : MCIERR_OUTOFRANGE; + } else if (MCI_ALL_DEVICE_ID == uDevID) { + TRACE("MCI_SYSINFO_NAME: device #%d\n", lpParms->dwNumber); if (RegOpenKeyExW( HKEY_LOCAL_MACHINE, wszHklmMci, 0, KEY_QUERY_VALUE, &hKey ) == ERROR_SUCCESS) { if (RegQueryInfoKeyW( hKey, 0, 0, 0, &cnt, @@ -1815,14 +1842,27 @@ static DWORD MCI_SysInfo(UINT uDevID, DWORD dwFlags, LPMCI_SYSINFO_PARMSW lpParm } } } - ret = s ? MCI_WriteString(lpParms->lpstrReturn, lpParms->dwRetSize / sizeof(WCHAR), s) : MCIERR_OUTOFRANGE; + ret = s ? MCI_WriteString(lpParms->lpstrReturn, lpParms->dwRetSize, s) : MCIERR_OUTOFRANGE; + } else { + FIXME("MCI_SYSINFO_NAME: nth device of type %d\n", lpParms->wDeviceType); + /* Cheating: what is asked for is the nth device from the registry. */ + if (1 != lpParms->dwNumber || /* Handle only one of each kind. */ + lpParms->wDeviceType < MCI_DEVTYPE_FIRST || lpParms->wDeviceType > MCI_DEVTYPE_LAST) + ret = MCIERR_OUTOFRANGE; + else { + LoadStringW(hWinMM32Instance, LOWORD(lpParms->wDeviceType), + lpParms->lpstrReturn, lpParms->dwRetSize); + ret = 0; + } } TRACE("(%d) => %s\n", lpParms->dwNumber, debugstr_w(lpParms->lpstrReturn)); break; default: TRACE("Unsupported flag value=%08x\n", dwFlags); - ret = MCIERR_UNRECOGNIZED_COMMAND; + ret = MCIERR_UNRECOGNIZED_KEYWORD; } + if ((dwFlags & MCI_NOTIFY) && HRESULT_CODE(ret)==0) + mciDriverNotify((HWND)lpParms->dwCallback, uDevID, MCI_NOTIFY_SUCCESSFUL); return ret; }