Eric Pouech : winmm: Fill in pIOProc field in MMIOINFO.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6e9668450afebf19b20ae8472550cd90019db28b
URL:    https://gitlab.winehq.org/wine/wine/-/commit/6e9668450afebf19b20ae8472550cd9...

Author: Eric Pouech <epouech(a)codeweavers.com>
Date:   Thu Dec 21 09:56:30 2023 +0100

winmm: Fill in pIOProc field in MMIOINFO.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55942
Signed-off-by: Eric Pouech <epouech(a)codeweavers.com>

---

 dlls/winmm/mmio.c       | 1 +
 dlls/winmm/tests/mmio.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/dlls/winmm/mmio.c b/dlls/winmm/mmio.c
index 7b7dbc3bf67..78ad7da3cd7 100644
--- a/dlls/winmm/mmio.c
+++ b/dlls/winmm/mmio.c
@@ -693,6 +693,7 @@ static HMMIO MMIO_Open(LPSTR szFileName, MMIOINFO* refmminfo, DWORD dwOpenFlags,
 
     wm->ioProc->count++;
     wm->info.dwFlags = dwOpenFlags;
+    wm->info.pIOProc = wm->ioProc->pIOProc;
 
     if (dwOpenFlags & MMIO_ALLOCBUF) {
 	refmminfo->wErrorRet = MMIO_SetBuffer(wm, refmminfo->pchBuffer,
diff --git a/dlls/winmm/tests/mmio.c b/dlls/winmm/tests/mmio.c
index b2c54e0b9cd..df4de55324b 100644
--- a/dlls/winmm/tests/mmio.c
+++ b/dlls/winmm/tests/mmio.c
@@ -753,6 +753,7 @@ static void test_mmioOpen_fourcc(void)
     mmioGetInfo(hmmio, &mmio, 0);
     ok(hmmio && mmio.fccIOProc == FOURCC_XYZ, "mmioOpenA error %u, got %4.4s\n",
             mmio.wErrorRet, (LPCSTR)&mmio.fccIOProc);
+    ok(mmio.pIOProc == mmio_test_IOProc, "Unexpected pIOProc %p\n", mmio.pIOProc);
     ok(mmio.adwInfo[1] == 0, "mmioOpenA sent MMIOM_SEEK, got %ld\n",
        mmio.adwInfo[1]);
     ok(mmio.lDiskOffset == 0, "mmioOpenA updated lDiskOffset, got %ld\n",
@@ -765,6 +766,7 @@ static void test_mmioOpen_fourcc(void)
     mmioGetInfo(hmmio, &mmio, 0);
     ok(hmmio && mmio.fccIOProc == FOURCC_XYZ, "mmioOpenA error %u, got %4.4s\n",
             mmio.wErrorRet, (LPCSTR)&mmio.fccIOProc);
+    ok(mmio.pIOProc == mmio_test_IOProc, "Unexpected pIOProc %p\n", mmio.pIOProc);
     ok(mmio.adwInfo[1] == 0, "mmioOpenA sent MMIOM_SEEK, got %ld\n",
        mmio.adwInfo[1]);
     ok(mmio.lDiskOffset == 0, "mmioOpenA updated lDiskOffset, got %ld\n",