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Several fixes spotted by Corel (Jean-Claude Batista & Sean Langley). 

Seeking from SEEK_END was wrong.
Seeking on empty buffer was wrong.
Some installed ioProcs had uninitialized fields.
A few more bits for rename functions.
This commit is contained in:
Eric Pouech 2000-06-25 12:50:11 +00:00 committed by Alexandre Julliard
parent 5b471bae6e
commit 737db5fce2
3 changed files with 31 additions and 21 deletions
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43
dlls/winmm/mmio.c
View File

@ -37,8 +37,8 @@ DEFAULT_DEBUG_CHANNEL(mmio);
/**************************************************************************
* mmioDosIOProc [internal]
*/
static LRESULT mmioDosIOProc(LPMMIOINFO lpmmioinfo, UINT uMessage,
LPARAM lParam1, LPARAM lParam2)
static LRESULT CALLBACK mmioDosIOProc(LPMMIOINFO lpmmioinfo, UINT uMessage,
LPARAM lParam1, LPARAM lParam2)
{
LRESULT ret = MMSYSERR_NOERROR;
@ -130,9 +130,11 @@ static LRESULT mmioDosIOProc(LPMMIOINFO lpmmioinfo, UINT uMessage,
* lParam2 = new name
* Returns: zero on success, non-zero on failure
*/
FIXME("MMIOM_RENAME unimplemented\n");
return MMIOERR_FILENOTFOUND;
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;
@ -144,8 +146,8 @@ static LRESULT mmioDosIOProc(LPMMIOINFO lpmmioinfo, UINT uMessage,
/**************************************************************************
* mmioMemIOProc [internal]
*/
static LRESULT mmioMemIOProc(LPMMIOINFO lpmmioinfo, UINT uMessage,
LPARAM lParam1, LPARAM lParam2)
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);
@ -277,7 +279,8 @@ static LPMMIOPROC MMIO_InstallIOProc(FOURCC fccIOProc, LPMMIOPROC pIOProc,
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;
@ -651,6 +654,7 @@ static LONG MMIO_GrabNextBuffer(LPWINE_MMIO wm, int for_read)
if (size > 0)
wm->info.pchEndRead += size;
}
wm->bBufferLoaded = TRUE;
return size;
}
@ -715,6 +719,7 @@ static UINT MMIO_SetBuffer(WINE_MMIO* wm, void* pchBuffer, LONG cchBuffer,
wm->info.pchEndRead = wm->info.pchBuffer;
wm->info.pchEndWrite = wm->info.pchBuffer + cchBuffer;
wm->info.lBufOffset = 0;
wm->bBufferLoaded = FALSE;
return 0;
}
@ -772,7 +777,9 @@ static HMMIO MMIO_Open(LPSTR szFileName, MMIOINFO* refmminfo,
wm->bTmpIOProc = TRUE;
}
wm->bBufferLoaded = FALSE;
wm->ioProc->count++;
if (dwOpenFlags & MMIO_ALLOCBUF) {
if ((refmminfo->wErrorRet = mmioSetBuffer(wm->info.hmmio, NULL,
MMIO_DEFAULTBUFFER, 0)))
@ -792,7 +799,7 @@ static HMMIO MMIO_Open(LPSTR szFileName, MMIOINFO* refmminfo,
/* 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:
@ -1053,6 +1060,7 @@ LONG WINAPI mmioSeek(HMMIO hmmio, LONG lOffset, INT 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);
@ -1071,7 +1079,7 @@ LONG WINAPI mmioSeek(HMMIO hmmio, LONG lOffset, INT iOrigin)
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;
offset -= lOffset;
break;
default:
return -1;
@ -1081,7 +1089,8 @@ LONG WINAPI mmioSeek(HMMIO hmmio, LONG lOffset, INT iOrigin)
/* 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))) {
(offset >= wm->info.lBufOffset + wm->info.cchBuffer) ||
!wm->bBufferLoaded)) {
/* condition to change buffer */
if ((wm->info.fccIOProc == FOURCC_MEM) ||
@ -1670,11 +1679,11 @@ UINT16 WINAPI mmioRename16(LPCSTR szFileName, LPCSTR szNewFileName,
szFileName, szNewFileName, lpmmioinfo, dwRenameFlags);
/* If both params are NULL, then parse the file name */
if (lpmmioinfo->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL)
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->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL)
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)
@ -1704,19 +1713,19 @@ UINT WINAPI mmioRenameA(LPCSTR szFileName, LPCSTR szNewFileName,
TRACE("('%s', '%s', %p, %08lX);\n",
szFileName, szNewFileName, lpmmioinfo, dwRenameFlags);
/* If both params are NULL, then parse the file name */
if (lpmmioinfo->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL)
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->fccIOProc == 0 && lpmmioinfo->pIOProc == NULL)
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
else /* use relevant ioProc */
ioProc = lpmmioinfo->pIOProc;
if (ioProc)

1
dlls/winmm/winemm.h
View File

@ -117,6 +117,7 @@ typedef struct tagWINE_MMIO {
HANDLE hMem;
SEGPTR buffer16;
struct tagWINE_MMIO* lpNext;
BOOL bBufferLoaded;
} WINE_MMIO, *LPWINE_MMIO;
typedef struct tagWINE_MM_IDATA {

8
include/mmsystem.h
View File

@ -1491,10 +1491,10 @@ UINT WINAPI mixerSetControlDetails(HMIXEROBJ,LPMIXERCONTROLDETAILS,DWORD);
#define CFSEPCHAR '+' /* compound file name separator char. */
typedef DWORD FOURCC; /* a four character code */
typedef LONG CALLBACK (*LPMMIOPROC16)(LPSTR lpmmioinfo, UINT16 uMessage,
LPARAM lParam1, LPARAM lParam2);
typedef LONG CALLBACK (*LPMMIOPROC)(LPSTR lpmmioinfo, UINT uMessage,
LPARAM lParam1, LPARAM lParam2);
typedef LRESULT CALLBACK (*LPMMIOPROC16)(LPSTR lpmmioinfo, UINT16 uMessage,
LPARAM lParam1, LPARAM lParam2);
typedef LRESULT CALLBACK (*LPMMIOPROC) (LPSTR lpmmioinfo, UINT uMessage,
LPARAM lParam1, LPARAM lParam2);
typedef struct {
DWORD dwFlags; /* general status flags */