mirror of
https://github.com/jart/cosmopolitan.git
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39688a73e4
- Simulate SIGPIPE on Windows NT - Fix commandv() regression on Windows NT - Fix sigprocmask() strace bug on OpenBSD - Add many more system calls to --strace logging - Make errno state more pristine in redbean strace
50 lines
2.7 KiB
C
50 lines
2.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 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/nt/errors.h"
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#include "libc/sock/sock.h"
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struct thatispacked Dos2Errno {
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uint16_t doscode;
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int32_t systemv;
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};
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extern const struct Dos2Errno kDos2Errno[];
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/**
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* Translates Windows error using superset of consts.sh.
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*
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* This function is called by __winerr(). It can only be used on
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* Windows, because it returns an errno. Normally, errnos will be
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* programmed to be the same as DOS errnos, per consts.sh. But since
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* there's so many more errors in DOS, this function provides an added
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* optional benefit mapping additional constants onto the errnos in
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* consts.sh.
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*/
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privileged errno_t __dos2errno(uint32_t error) {
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int i;
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if (error) {
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for (i = 0; kDos2Errno[i].doscode; ++i) {
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if (error == kDos2Errno[i].doscode) {
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return *(const int *)((intptr_t)kDos2Errno + kDos2Errno[i].systemv);
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}
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}
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}
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return error;
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}
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