/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│ │vi: set net 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; }