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https://github.com/jart/cosmopolitan.git
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60 lines
3.1 KiB
C
60 lines
3.1 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2023 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/errno.h"
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#include "libc/intrin/describentoverlapped.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/intrin/strace.h"
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#include "libc/mem/alloca.h"
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#include "libc/nt/thunk/msabi.h"
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#include "libc/nt/winsock.h"
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#include "libc/sock/internal.h"
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__msabi extern typeof(WSAGetOverlappedResult)
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*const __imp_WSAGetOverlappedResult;
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static char *DescribeTransfer(char buf[16], bool32 ok, uint32_t *transfer) {
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if (ok) {
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ksnprintf(buf, 16, "%'u", *transfer);
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return buf;
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} else {
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return "n/a";
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}
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}
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/**
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* Gets overlap i/o result.
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*
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* @return true on success, or false on failure
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* @note this wrapper takes care of ABI, STRACE(), and __winsockerr()
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*/
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bool32 WSAGetOverlappedResult(uint64_t s,
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const struct NtOverlapped *lpOverlapped,
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uint32_t *out_lpcbTransfer, bool32 fWait,
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uint32_t *out_lpdwFlags) {
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bool32 ok;
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ok = __imp_WSAGetOverlappedResult(s, lpOverlapped, out_lpcbTransfer, fWait,
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out_lpdwFlags);
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if (!ok)
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__winsockerr();
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NTTRACE("WSAGetOverlappedResult(%ld, %s, [%s], %hhhd, [%#x]) → %hhhd% lm", s,
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DescribeNtOverlapped(lpOverlapped),
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DescribeTransfer(alloca(16), ok, out_lpcbTransfer), fWait,
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*out_lpdwFlags, ok);
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return ok;
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}
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