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std: improved windows.DeviceIoControl

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daurnimator 2019-11-19 16:39:50 +11:00
parent b05a5a3e52
commit ce9966a39b
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2 changed files with 2 additions and 1 deletions
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1
lib/std/os/windows.zig
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@ -132,6 +132,7 @@ pub fn DeviceIoControl(
overlapped,
) == 0) {
switch (kernel32.GetLastError()) {
ERROR.IO_PENDING => if (overlapped == null) unreachable,
else => |err| return unexpectedError(err),
}
}

2
lib/std/os/windows/kernel32.zig
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@ -59,7 +59,7 @@ pub extern "kernel32" stdcallcc fn DeviceIoControl(
nInBufferSize: DWORD,
lpOutBuffer: ?LPVOID,
nOutBufferSize: DWORD,
lpBytesReturned: LPDWORD,
lpBytesReturned: ?*DWORD,
lpOverlapped: ?*OVERLAPPED,
) BOOL;