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https://github.com/jart/cosmopolitan.git
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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
63 lines
2.7 KiB
C
63 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 et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 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/fmt/itoa.h"
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#include "libc/intrin/describeflags.internal.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/futex.h"
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const char *(DescribeFutexOp)(char buf[64], int x) {
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bool priv = false;
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if (x & FUTEX_PRIVATE_FLAG) {
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priv = true;
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x &= ~FUTEX_PRIVATE_FLAG;
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}
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bool real = false;
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if (x & FUTEX_CLOCK_REALTIME) {
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real = true;
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x &= ~FUTEX_CLOCK_REALTIME;
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}
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char *p = buf;
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if (x == FUTEX_WAIT) {
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p = stpcpy(p, "FUTEX_WAIT");
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} else if (x == FUTEX_WAKE) {
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p = stpcpy(p, "FUTEX_WAKE");
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} else if (x == FUTEX_REQUEUE) {
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p = stpcpy(p, "FUTEX_REQUEUE");
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} else if (x == FUTEX_WAIT_BITSET) {
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p = stpcpy(p, "FUTEX_WAIT_BITSET");
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} else {
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p = stpcpy(p, "FUTEX_");
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p = FormatUint32(p, x);
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}
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if (priv) {
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p = stpcpy(p, "_PRIVATE");
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}
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if (real) {
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p = stpcpy(p, "|FUTEX_CLOCK_REALTIME");
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}
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return buf;
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}
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