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IOCTL CD-ROM code now returns 'not ready' when TOC can not be read. Should fix crashes in Windows 9x when CD drive empty or disc changed.

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This commit is contained in:
TomW 2015-06-27 16:39:06 +01:00
commit 78a36b2e9d
1 changed files with 2 additions and 0 deletions
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2
src/cdrom-ioctl.c
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@ -219,6 +219,8 @@ static int ioctl_ready(void)
ioctl_open(0); ioctl_open(0);
temp=DeviceIoControl(hIOCTL,IOCTL_CDROM_READ_TOC, NULL,0,&ltoc,sizeof(ltoc),&size,NULL); temp=DeviceIoControl(hIOCTL,IOCTL_CDROM_READ_TOC, NULL,0,&ltoc,sizeof(ltoc),&size,NULL);
ioctl_close(); ioctl_close();
if (!temp)
return 0;
if ((ltoc.TrackData[ltoc.LastTrack].Address[1] != toc.TrackData[toc.LastTrack].Address[1]) || if ((ltoc.TrackData[ltoc.LastTrack].Address[1] != toc.TrackData[toc.LastTrack].Address[1]) ||
(ltoc.TrackData[ltoc.LastTrack].Address[2] != toc.TrackData[toc.LastTrack].Address[2]) || (ltoc.TrackData[ltoc.LastTrack].Address[2] != toc.TrackData[toc.LastTrack].Address[2]) ||
(ltoc.TrackData[ltoc.LastTrack].Address[3] != toc.TrackData[toc.LastTrack].Address[3]) || (ltoc.TrackData[ltoc.LastTrack].Address[3] != toc.TrackData[toc.LastTrack].Address[3]) ||