[PATCH 2/4] dsound: Adjust for partial block before prepare-header and add-buffer steps.

[Ken Thomases]

Otherwise, the wave-in driver(s) may copy incorrect data to internal structures.
---
  dlls/dsound/capture.c |    7 ++++---
  1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/dlls/dsound/capture.c b/dlls/dsound/capture.c
index 0c74ef9..05ab805 100644
--- a/dlls/dsound/capture.c
+++ b/dlls/dsound/capture.c
@@ -1146,7 +1146,10 @@ IDirectSoundCaptureBufferImpl_Start(

              for (c = 0; c < device->nrofpwaves; ++c) {
                  device->pwave[c].lpData = (char *)device->buffer + c * blocksize;
-                device->pwave[c].dwBufferLength = blocksize;
+                if (c + 1 == device->nrofpwaves)
+                    device->pwave[c].dwBufferLength = device->buflen - c * 
blocksize;
+                else
+                    device->pwave[c].dwBufferLength = blocksize;
                  device->pwave[c].dwBytesRecorded = 0;
                  device->pwave[c].dwUser = (DWORD)device;
                  device->pwave[c].dwFlags = 0;
@@ -1167,8 +1170,6 @@ IDirectSoundCaptureBufferImpl_Start(
                      break;
                  }
              }
-            if (device->buflen % blocksize)
-                device->pwave[device->nrofpwaves - 1].dwBufferLength = 
device->buflen % blocksize;

              FillMemory(device->buffer, device->buflen, 
(device->pwfx->wBitsPerSample == 8) ? 128 : 0);
          }
-- 
1.5.3.6