cosmopolitan/libc/intrin/deviceiocontrol.c
Jōshin 394d998315
Fix vi modelines (#989)
At least in neovim, `│vi:` is not recognized as a modeline because it
has no preceding whitespace. After fixing this, opening a file yields
an error because `net` is not an option. (`noet`, however, is.)
2023-12-05 14:37:54 -08:00

49 lines
3.1 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set noet ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/intrin/describentoverlapped.internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/nt/files.h"
#include "libc/nt/struct/overlapped.h"
#include "libc/nt/thunk/msabi.h"
__msabi extern typeof(DeviceIoControl) *const __imp_DeviceIoControl;
/**
* Does device file stuff on the New Technology.
*
* @return handle, or -1 on failure
* @note this wrapper takes care of ABI, STRACE(), and __winerr()
*/
textwindows bool32 DeviceIoControl(int64_t hDevice, uint32_t dwIoControlCode,
void *lpInBuffer, uint32_t nInBufferSize,
void *lpOutBuffer, uint32_t nOutBufferSize,
uint32_t *lpBytesReturned,
struct NtOverlapped *lpOverlapped) {
bool32 ok;
ok = __imp_DeviceIoControl(hDevice, dwIoControlCode, lpInBuffer,
nInBufferSize, lpOutBuffer, nOutBufferSize,
lpBytesReturned, lpOverlapped);
if (!ok) __winerr();
NTTRACE("DeviceIoControl(%ld, %#x, %p, %'zu, %p, %'zu, %p, %s) → %hhhd% m",
hDevice, dwIoControlCode, lpInBuffer, nInBufferSize, lpOutBuffer,
nOutBufferSize, lpBytesReturned, DescribeNtOverlapped(lpOverlapped),
ok);
return ok;
}