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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/' ```
47 lines
2.7 KiB
C
47 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 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/intrin/bswap.h"
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#include "libc/intrin/newbie.h"
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#include "libc/sock/sock.h"
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uint16_t(bswap_16)(uint16_t x) {
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return (0x00ff & x) << 010 | (0xff00 & x) >> 010;
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}
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__strong_reference(bswap_16, ntohs);
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__strong_reference(bswap_16, htons);
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uint32_t(bswap_32)(uint32_t x) {
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return (0x000000ffu & x) << 030 | (0x0000ff00u & x) << 010 |
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(0x00ff0000u & x) >> 010 | (0xff000000u & x) >> 030;
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}
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__strong_reference(bswap_32, ntohl);
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__strong_reference(bswap_32, htonl);
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uint64_t(bswap_64)(uint64_t x) {
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return (0x00000000000000ffull & x) << 070 |
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(0x000000000000ff00ull & x) << 050 |
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(0x0000000000ff0000ull & x) << 030 |
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(0x00000000ff000000ull & x) << 010 |
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(0x000000ff00000000ull & x) >> 010 |
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(0x0000ff0000000000ull & x) >> 030 |
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(0x00ff000000000000ull & x) >> 050 |
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(0xff00000000000000ull & x) >> 070;
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}
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