Andrew Eikum : wineoss.drv: Don't use SNDCTL_DSP_GETISPACE.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 50cdc6d7f3d04fafcd7b859814653be403df98e4
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=50cdc6d7f3d04fafcd7b859814653be403df98e4

Author: Andrew Eikum <aeikum at codeweavers.com>
Date:   Wed Dec 17 09:28:21 2014 -0600

wineoss.drv: Don't use SNDCTL_DSP_GETISPACE.

This shouldn't be needed as the device is opened in non-blocking mode,
and it appears this function is unimplemented on PCBSD.

---

 dlls/wineoss.drv/mmdevdrv.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/dlls/wineoss.drv/mmdevdrv.c b/dlls/wineoss.drv/mmdevdrv.c
index b111338..0688f9a 100644
--- a/dlls/wineoss.drv/mmdevdrv.c
+++ b/dlls/wineoss.drv/mmdevdrv.c
@@ -1493,20 +1493,11 @@ static void oss_write_data(ACImpl *This)
 static void oss_read_data(ACImpl *This)
 {
     UINT64 pos, readable;
-    audio_buf_info bi;
     ssize_t nread;
 
-    if(ioctl(This->fd, SNDCTL_DSP_GETISPACE, &bi) < 0){
-        WARN("GETISPACE failed: %d (%s)\n", errno, strerror(errno));
-        return;
-    }
-
     pos = (This->held_frames + This->lcl_offs_frames) % This->bufsize_frames;
     readable = (This->bufsize_frames - pos) * This->fmt->nBlockAlign;
 
-    if(bi.bytes < readable)
-        readable = bi.bytes;
-
     nread = read(This->fd, This->local_buffer + pos * This->fmt->nBlockAlign,
             readable);
     if(nread < 0){