mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
4177489762
- removed unneeded share parameter from pipe on nt - socktpair(type | SOCK_CLOEXEC) is now polyfilled - use textwindows for linker micro-optimization - apologies for auto clang-format diff noise :( - improve socketpair docstring See #122
47 lines
2.5 KiB
C
47 lines
2.5 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 2021 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/alg/reverse.internal.h"
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#include "libc/calls/calls.h"
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#include "libc/nt/process.h"
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static const char kPipeNamePrefix[] = "\\\\?\\pipe\\cosmo\\";
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static textwindows size_t UintToChar16Array(char16_t *a, uint64_t i) {
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size_t j = 0;
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do {
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a[j++] = i % 10 + '0';
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i /= 10;
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} while (i > 0);
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a[j] = 0;
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reverse(a, j);
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return j;
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}
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textwindows char16_t *CreatePipeName(char16_t *a) {
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static long x;
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unsigned i;
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for (i = 0; kPipeNamePrefix[i]; ++i) a[i] = kPipeNamePrefix[i];
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i += UintToChar16Array(a + i, GetCurrentProcessId());
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a[i++] = u'-';
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i += UintToChar16Array(a + i, GetCurrentProcessId());
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a[i++] = u'-';
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i += UintToChar16Array(a + i, x++);
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a[i] = u'\0';
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return a;
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}
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