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1120 lines
31 KiB
C
1120 lines
31 KiB
C
/*
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* MMIO functions
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*
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* Copyright 1998 Andrew Taylor
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* Copyright 1998 Ove Kåven
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*
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "windows.h"
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#include "win.h"
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#include "heap.h"
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#include "user.h"
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#include "file.h"
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#include "mmsystem.h"
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#include "debug.h"
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#include "xmalloc.h"
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/**************************************************************************
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* mmioDosIOProc [internal]
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*/
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static LRESULT mmioDosIOProc(LPMMIOINFO16 lpmmioinfo, UINT16 uMessage, LPARAM lParam1, LPARAM lParam2) {
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TRACE(mmio, "(%p, %X, %ld, %ld);\n", lpmmioinfo, uMessage, lParam1, lParam2);
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switch (uMessage) {
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case MMIOM_OPEN: {
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/* Parameters:
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* lParam1 = szFileName parameter from mmioOpen
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* lParam2 = reserved (we use it for 16-bitness)
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* Returns: zero on success, error code on error
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* NOTE: lDiskOffset automatically set to zero
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*/
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OFSTRUCT ofs;
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LPSTR szFileName = (LPSTR) lParam1;
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if (lpmmioinfo->dwFlags & MMIO_GETTEMP) {
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FIXME(mmio, "MMIO_GETTEMP not implemented\n");
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return MMIOERR_CANNOTOPEN;
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}
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/* if filename NULL, assume open file handle in adwInfo[0] */
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if (!szFileName) {
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if (lParam2) lpmmioinfo->adwInfo[0] =
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HFILE16_TO_HFILE32(lpmmioinfo->adwInfo[0]);
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return 0;
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}
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lpmmioinfo->adwInfo[0] =
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(DWORD) OpenFile32(szFileName, &ofs, lpmmioinfo->dwFlags);
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if (lpmmioinfo->adwInfo[0] == -1)
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return MMIOERR_CANNOTOPEN;
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return 0;
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}
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case MMIOM_CLOSE: {
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/* Parameters:
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* lParam1 = wFlags parameter from mmioClose
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* lParam2 = unused
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* Returns: zero on success, error code on error
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*/
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UINT16 uFlags = (UINT16) lParam1;
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if (uFlags & MMIO_FHOPEN)
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return 0;
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_lclose32((HFILE32)lpmmioinfo->adwInfo[0]);
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return 0;
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}
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case MMIOM_READ: {
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/* Parameters:
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* lParam1 = huge pointer to read buffer
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* lParam2 = number of bytes to read
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* Returns: number of bytes read, 0 for EOF, -1 for error (error code
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* in wErrorRet)
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* NOTE: lDiskOffset should be updated
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*/
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HPSTR pch = (HPSTR) lParam1;
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LONG cch = (LONG) lParam2;
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LONG count;
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count = _lread32((HFILE32)lpmmioinfo->adwInfo[0], pch, cch);
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if (count != -1)
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lpmmioinfo->lDiskOffset += count;
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return count;
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}
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case MMIOM_WRITE:
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case MMIOM_WRITEFLUSH: {
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/* no internal buffering, so WRITEFLUSH handled same as WRITE */
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/* Parameters:
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* lParam1 = huge pointer to write buffer
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* lParam2 = number of bytes to write
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* Returns: number of bytes written, -1 for error (error code in
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* wErrorRet)
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* NOTE: lDiskOffset should be updated
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*/
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HPSTR pch = (HPSTR) lParam1;
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LONG cch = (LONG) lParam2;
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LONG count;
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count = _hwrite32((HFILE32)lpmmioinfo->adwInfo[0], pch, cch);
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if (count != -1)
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lpmmioinfo->lDiskOffset += count;
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return count;
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}
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case MMIOM_SEEK: {
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/* Parameters:
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* lParam1 = new position
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* lParam2 = from whence to seek (SEEK_SET, SEEK_CUR, SEEK_END)
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* Returns: new file postion, -1 on error
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* NOTE: lDiskOffset should be updated
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*/
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LONG Offset = (LONG) lParam1;
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LONG Whence = (LONG) lParam2;
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LONG pos;
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pos = _llseek32((HFILE32)lpmmioinfo->adwInfo[0], Offset, Whence);
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if (pos != -1)
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lpmmioinfo->lDiskOffset = pos;
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return pos;
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}
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case MMIOM_RENAME: {
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/* Parameters:
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* lParam1 = old name
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* lParam2 = new name
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* Returns: zero on success, non-zero on failure
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*/
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FIXME(mmio, "MMIOM_RENAME unimplemented\n");
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return MMIOERR_FILENOTFOUND;
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}
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default:
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FIXME(mmio, "unexpected message %u\n", uMessage);
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return 0;
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}
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return 0;
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}
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/**************************************************************************
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* mmioMemIOProc [internal]
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*/
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static LRESULT mmioMemIOProc(LPMMIOINFO16 lpmmioinfo, UINT16 uMessage, LPARAM lParam1, LPARAM lParam2) {
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TRACE(mmio,"(%p,0x%04x,0x%08lx,0x%08lx)\n",lpmmioinfo,uMessage,lParam1,lParam2);
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switch (uMessage) {
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case MMIOM_OPEN: {
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/* Parameters:
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* lParam1 = filename (must be NULL)
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* lParam2 = reserved (we use it for 16-bitness)
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* Returns: zero on success, error code on error
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* NOTE: lDiskOffset automatically set to zero
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*/
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if (!(lpmmioinfo->dwFlags & MMIO_CREATE))
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lpmmioinfo->pchEndRead = lpmmioinfo->pchEndWrite;
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return 0;
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}
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case MMIOM_CLOSE: {
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/* Parameters:
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* lParam1 = wFlags parameter from mmioClose
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* lParam2 = unused
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* Returns: zero on success, error code on error
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*/
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return 0;
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}
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case MMIOM_READ: {
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/* Parameters:
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* lParam1 = huge pointer to read buffer
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* lParam2 = number of bytes to read
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* Returns: number of bytes read, 0 for EOF, -1 for error (error code
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* in wErrorRet)
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* NOTE: lDiskOffset should be updated
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*/
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HPSTR pch = (HPSTR) lParam1;
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LONG cch = (LONG) lParam2;
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FIXME(mmio,"MMIOM_READ on memory files should not occur, buffer may be lost!\n");
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return 0;
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}
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case MMIOM_WRITE:
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case MMIOM_WRITEFLUSH: {
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/* no internal buffering, so WRITEFLUSH handled same as WRITE */
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/* Parameters:
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* lParam1 = huge pointer to write buffer
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* lParam2 = number of bytes to write
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* Returns: number of bytes written, -1 for error (error code in
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* wErrorRet)
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* NOTE: lDiskOffset should be updated
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*/
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HPSTR pch = (HPSTR) lParam1;
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LONG cch = (LONG) lParam2;
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FIXME(mmio,"MMIOM_WRITE on memory files should not occur, buffer may be lost!\n");
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return 0;
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}
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case MMIOM_SEEK: {
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/* Parameters:
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* lParam1 = new position
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* lParam2 = from whence to seek (SEEK_SET, SEEK_CUR, SEEK_END)
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* Returns: new file postion, -1 on error
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* NOTE: lDiskOffset should be updated
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*/
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LONG Offset = (LONG) lParam1;
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LONG Whence = (LONG) lParam2;
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FIXME(mmio,"MMIOM_SEEK on memory files should not occur, buffer may be lost!\n");
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return -1;
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}
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default:
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FIXME(mmio, "unexpected message %u\n", uMessage);
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return 0;
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}
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return 0;
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}
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/**************************************************************************
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* MMIO_Open [internal]
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*/
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static HMMIO16 MMIO_Open(LPSTR szFileName, MMIOINFO16 * lpmmioinfo,
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DWORD dwOpenFlags, int use16)
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{
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LPMMIOINFO16 lpmminfo;
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HMMIO16 hmmio;
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UINT16 result;
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TRACE(mmio, "('%s', %p, %08lX);\n", szFileName, lpmmioinfo, dwOpenFlags);
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hmmio = GlobalAlloc16(GHND, sizeof(MMIOINFO16));
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lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio);
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if (lpmminfo == NULL)
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return 0;
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memset(lpmminfo, 0, sizeof(MMIOINFO16));
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/* assume DOS file if not otherwise specified */
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if (!lpmmioinfo ||
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(lpmmioinfo->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL)) {
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lpmminfo->fccIOProc = FOURCC_DOS;
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lpmminfo->pIOProc = (LPMMIOPROC16) mmioDosIOProc;
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}
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/* if just the four character code is present, look up IO proc */
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else if (lpmmioinfo->pIOProc == NULL) {
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lpmminfo->fccIOProc = lpmmioinfo->fccIOProc;
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lpmminfo->pIOProc = mmioInstallIOProc16(lpmmioinfo->fccIOProc, NULL, MMIO_FINDPROC);
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}
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/* if IO proc specified, use it and specified four character code */
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else {
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lpmminfo->fccIOProc = lpmmioinfo->fccIOProc;
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lpmminfo->pIOProc = lpmmioinfo->pIOProc;
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}
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if (dwOpenFlags & MMIO_ALLOCBUF) {
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if ((result = mmioSetBuffer(hmmio, NULL, MMIO_DEFAULTBUFFER, 0))) {
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if (lpmmioinfo)
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lpmmioinfo->wErrorRet = result;
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return 0;
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}
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} else
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if (lpmminfo->fccIOProc == FOURCC_MEM) {
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if ((result = mmioSetBuffer(hmmio, lpmmioinfo->pchBuffer, lpmmioinfo->cchBuffer, 0))) {
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if (lpmmioinfo)
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lpmmioinfo->wErrorRet = result;
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return 0;
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}
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}
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lpmminfo->dwFlags = dwOpenFlags;
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lpmminfo->hmmio = hmmio;
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/* call IO proc to actually open file */
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result = (UINT16) mmioSendMessage(hmmio, MMIOM_OPEN, (LPARAM) szFileName, (LPARAM) use16);
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GlobalUnlock16(hmmio);
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if (result != 0) {
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GlobalFree16(hmmio);
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return 0;
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}
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return hmmio;
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}
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/**************************************************************************
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* mmioOpenW [WINMM.123]
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*/
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HMMIO32 WINAPI mmioOpen32W(LPWSTR szFileName, MMIOINFO32 * lpmmioinfo,
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DWORD dwOpenFlags)
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{
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LPSTR szFn = HEAP_strdupWtoA(GetProcessHeap(),0,szFileName);
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HMMIO32 ret = MMIO_Open(szFn,(LPMMIOINFO16)lpmmioinfo,dwOpenFlags,FALSE);
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HeapFree(GetProcessHeap(),0,szFn);
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return ret;
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}
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/**************************************************************************
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* mmioOpenA [WINMM.122]
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*/
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HMMIO32 WINAPI mmioOpen32A(LPSTR szFileName, MMIOINFO32 * lpmmioinfo,
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DWORD dwOpenFlags)
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{
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return MMIO_Open(szFileName,(LPMMIOINFO16)lpmmioinfo,dwOpenFlags,FALSE);
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}
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/**************************************************************************
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* mmioOpen [MMSYSTEM.1210]
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*/
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HMMIO16 WINAPI mmioOpen16(LPSTR szFileName, MMIOINFO16 * lpmmioinfo,
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DWORD dwOpenFlags)
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{
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return MMIO_Open(szFileName,(LPMMIOINFO16)lpmmioinfo,dwOpenFlags,TRUE);
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}
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/**************************************************************************
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* mmioClose [WINMM.114]
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*/
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MMRESULT32 WINAPI mmioClose32(HMMIO32 hmmio, UINT32 uFlags)
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{
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LPMMIOINFO16 lpmminfo;
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MMRESULT32 result;
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TRACE(mmio, "(%04X, %04X);\n", hmmio, uFlags);
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lpmminfo = (LPMMIOINFO16) GlobalLock16(hmmio);
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if (lpmminfo == NULL)
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return 0;
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/* flush the file - if error reported, ignore */
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if (mmioFlush32(hmmio, MMIO_EMPTYBUF) != 0)
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lpmminfo->dwFlags &= ~MMIO_DIRTY;
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result = mmioSendMessage(hmmio,MMIOM_CLOSE,(LPARAM)uFlags,(LPARAM)0);
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mmioSetBuffer(hmmio, NULL, 0, 0);
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GlobalUnlock16(hmmio);
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GlobalFree16(hmmio);
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return result;
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}
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/**************************************************************************
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* mmioClose [MMSYSTEM.1211]
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*/
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MMRESULT16 WINAPI mmioClose16(HMMIO16 hmmio, UINT16 uFlags)
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{
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return mmioClose32(hmmio,uFlags);
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}
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/**************************************************************************
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* mmioRead [WINM.124]
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*/
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LONG WINAPI mmioRead32(HMMIO32 hmmio, HPSTR pch, LONG cch)
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{
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LONG count;
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LPMMIOINFO16 lpmminfo;
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TRACE(mmio, "(%04X, %p, %ld);\n", hmmio, pch, cch);
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lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio);
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if (lpmminfo == NULL)
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return -1;
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if (lpmminfo->pchNext != lpmminfo->pchEndRead) {
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count = lpmminfo->pchEndRead - lpmminfo->pchNext;
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if (count > cch || count < 0) count = cch;
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memcpy(pch, lpmminfo->pchNext, count);
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lpmminfo->pchNext += count;
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pch += count;
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cch -= count;
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} else
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count = 0;
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if (cch&&(lpmminfo->fccIOProc!=FOURCC_MEM)) {
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if (lpmminfo->cchBuffer) {
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mmioFlush32(hmmio, MMIO_EMPTYBUF);
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while (cch) {
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LONG size;
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lpmminfo->lBufOffset = lpmminfo->lDiskOffset;
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lpmminfo->pchNext = lpmminfo->pchBuffer;
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lpmminfo->pchEndRead = lpmminfo->pchBuffer;
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size = mmioSendMessage(hmmio, MMIOM_READ,
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(LPARAM) lpmminfo->pchBuffer,
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(LPARAM) lpmminfo->cchBuffer);
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if (size<=0) break;
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lpmminfo->pchEndRead = lpmminfo->pchBuffer + size;
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if (size > cch) size = cch;
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memcpy(pch, lpmminfo->pchNext, size);
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lpmminfo->pchNext += size;
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pch += size;
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cch -= size;
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count += size;
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}
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} else {
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count += mmioSendMessage(hmmio, MMIOM_READ, (LPARAM) pch, (LPARAM) cch);
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if (count>0) lpmminfo->lBufOffset += count;
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}
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}
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GlobalUnlock16(hmmio);
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TRACE(mmio, "count=%ld\n", count);
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return count;
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}
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/**************************************************************************
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* mmioRead [MMSYSTEM.1212]
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*/
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LONG WINAPI mmioRead16(HMMIO16 hmmio, HPSTR pch, LONG cch)
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{
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return mmioRead32(hmmio,pch,cch);
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}
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/**************************************************************************
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* mmioWrite [WINMM.133]
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*/
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LONG WINAPI mmioWrite32(HMMIO32 hmmio, HPCSTR pch, LONG cch)
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{
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LONG count;
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LPMMIOINFO16 lpmminfo;
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TRACE(mmio, "(%04X, %p, %ld);\n", hmmio, pch, cch);
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lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio);
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if (lpmminfo == NULL)
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return -1;
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if (lpmminfo->cchBuffer) {
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count = 0;
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while (cch) {
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if (lpmminfo->pchNext != lpmminfo->pchEndWrite) {
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count = lpmminfo->pchEndWrite - lpmminfo->pchNext;
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if (count > cch || count < 0) count = cch;
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memcpy(lpmminfo->pchNext, pch, count);
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lpmminfo->pchNext += count;
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pch += count;
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cch -= count;
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lpmminfo->dwFlags |= MMIO_DIRTY;
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} else
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if (lpmminfo->fccIOProc==FOURCC_MEM) {
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if (lpmminfo->adwInfo[0]) {
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/* from where would we get the memory handle? */
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FIXME(mmio, "memory file expansion not implemented!\n");
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} else break;
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}
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if (lpmminfo->pchNext == lpmminfo->pchEndWrite
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&& mmioFlush32(hmmio, MMIO_EMPTYBUF)) break;
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}
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} else {
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count = mmioSendMessage(hmmio, MMIOM_WRITE, (LPARAM) pch, (LPARAM) cch);
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lpmminfo->lBufOffset = lpmminfo->lDiskOffset;
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}
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GlobalUnlock16(hmmio);
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TRACE(mmio, "count=%ld\n", count);
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return count;
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}
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/**************************************************************************
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* mmioWrite [MMSYSTEM.1213]
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*/
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LONG WINAPI mmioWrite16(HMMIO16 hmmio, HPCSTR pch, LONG cch)
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{
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return mmioWrite32(hmmio,pch,cch);
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}
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/**************************************************************************
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* mmioSeek [MMSYSTEM.1214]
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*/
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LONG WINAPI mmioSeek32(HMMIO32 hmmio, LONG lOffset, INT32 iOrigin)
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{
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int offset;
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LPMMIOINFO16 lpmminfo;
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TRACE(mmio, "(%04X, %08lX, %d);\n", hmmio, lOffset, iOrigin);
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lpmminfo = (LPMMIOINFO16)GlobalLock16(hmmio);
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if (lpmminfo == NULL)
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return -1;
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|
|
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 [MMSYSTEM.1217]
|
|
*/
|
|
UINT16 WINAPI mmioSetBuffer(HMMIO16 hmmio, LPSTR pchBuffer,
|
|
LONG cchBuffer, UINT16 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;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* 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 mmioCreateChunk(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;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* mmioRename [MMSYSTEM.1226]
|
|
*/
|
|
UINT16 WINAPI mmioRename(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;
|
|
}
|
|
|