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113 lines
4.4 KiB
C
113 lines
4.4 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/fmt/itoa.h"
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#include "libc/macros.internal.h"
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#include "net/http/http.h"
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static const struct thatispacked HttpReason {
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short code;
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const char *name;
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} kHttpReason[] = {
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{100, "Continue"},
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{101, "Switching Protocols"},
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{102, "Processing"},
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{200, "OK"},
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{201, "Created"},
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{202, "Accepted"},
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{203, "Non-authoritative Information"},
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{204, "No Content"},
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{205, "Reset Content"},
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{206, "Partial Content"},
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{207, "Multi-Status"},
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{208, "Already Reported"},
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{226, "IM Used"},
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{300, "Multiple Choices"},
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{301, "Moved Permanently"},
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{302, "Found"},
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{303, "See Other"},
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{304, "Not Modified"},
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{305, "Use Proxy"},
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{307, "Temporary Redirect"},
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{308, "Permanent Redirect"},
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{400, "Bad Request"},
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{401, "Unauthorized"},
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{402, "Payment Required"},
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{403, "Forbidden"},
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{404, "Not Found"},
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{405, "Method Not Allowed"},
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{406, "Not Acceptable"},
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{407, "Proxy Authentication Required"},
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{408, "Request Timeout"},
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{409, "Conflict"},
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{410, "Gone"},
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{411, "Length Required"},
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{412, "Precondition Failed"},
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{413, "Payload Too Large"},
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{414, "Request-URI Too Long"},
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{415, "Unsupported Media Type"},
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{416, "Requested Range Not Satisfiable"},
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{417, "Expectation Failed"},
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{418, "I'm a teapot"},
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{421, "Misdirected Request"},
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{422, "Unprocessable Entity"},
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{423, "Locked"},
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{424, "Failed Dependency"},
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{426, "Upgrade Required"},
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{428, "Precondition Required"},
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{429, "Too Many Requests"},
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{431, "Request Header Fields Too Large"},
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{444, "Connection Closed Without Response"},
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{451, "Unavailable For Legal Reasons"},
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{499, "Client Closed Request"},
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{500, "Internal Server Error"},
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{501, "Not Implemented"},
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{502, "Bad Gateway"},
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{503, "Service Unavailable"},
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{504, "Gateway Timeout"},
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{505, "HTTP Version Not Supported"},
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{506, "Variant Also Negotiates"},
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{507, "Insufficient Storage"},
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{508, "Loop Detected"},
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{510, "Not Extended"},
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{511, "Network Authentication Required"},
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{599, "Network Connect Timeout Error"},
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};
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/**
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* Returns string describing HTTP reason phrase.
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*
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* @see https://tools.ietf.org/html/rfc2616
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* @see https://tools.ietf.org/html/rfc6585
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*/
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const char *GetHttpReason(int code) {
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int m, l, r;
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l = 0;
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r = ARRAYLEN(kHttpReason) - 1;
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while (l <= r) {
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m = (l & r) + ((l ^ r) >> 1); // floor((a+b)/2)
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if (kHttpReason[m].code < code) {
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l = m + 1;
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} else if (kHttpReason[m].code > code) {
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r = m - 1;
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} else {
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return kHttpReason[m].name;
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}
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}
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return "";
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}
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