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In Windows IOCTL CD-ROM code, only try reading via SPTI if ReadFile returned success but didn't read all requested data. Fixes Red Alert 2 installer.

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This commit is contained in:
SarahW 2019-05-08 21:49:47 +01:00
commit 6a27983f17
1 changed files with 2 additions and 2 deletions
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4
src/cdrom-ioctl.c
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@ -451,8 +451,8 @@ static int ioctl_readsector(uint8_t *b, int sector, int count)
status = ReadFile(hIOCTL, b, count*2048, (LPDWORD)&size, NULL);
ioctl_close();
/*If the read failed, try again using SPTI*/
if (!status || size != count*2048)
/*If the read 'succeeded' but didn't read all required data, try again using SPTI*/
if (status && size != count*2048)
{
uint8_t cmd[12] = { 0xbe, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0 };
SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER swb;