mirror of
https://github.com/jart/cosmopolitan.git
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f2af97711b
- Improve compatibility with Blink virtual machine - Add non-POSIX APIs for joining threads and signal masks - Never ever use anything except 32-bit integers for atomics - Add some `#undef` statements to workaround `ctags` problems
151 lines
6.8 KiB
C
151 lines
6.8 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/assert.h"
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#include "libc/intrin/bits.h"
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#include "libc/intrin/bswap.h"
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#include "libc/macros.internal.h"
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#include "libc/str/str.h"
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#include "libc/str/tab.internal.h"
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#include "net/http/http.h"
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static const struct ContentTypeExtension {
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unsigned char ext[8];
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const char *mime;
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} kContentTypeExtension[] = {
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{"7z", "application/x-7z-compressed"}, //
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{"aac", "audio/aac"}, //
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{"apng", "image/apng"}, //
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{"atom", "application/atom+xml"}, //
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{"avi", "video/x-msvideo"}, //
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{"avif", "image/avif"}, //
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{"azw", "application/vnd.amazon.ebook"}, //
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{"bmp", "image/bmp"}, //
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{"bz2", "application/x-bzip2"}, //
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{"c", "text/plain"}, //
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{"cc", "text/plain"}, //
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{"css", "text/css"}, //
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{"csv", "text/csv"}, //
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{"diff", "text/plain"}, //
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{"diff", "text/plain"}, //
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{"doc", "application/msword"}, //
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{"epub", "application/epub+zip"}, //
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{"gif", "image/gif"}, //
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{"gz", "application/gzip"}, //
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{"h", "text/plain"}, //
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{"htm", "text/html"}, //
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{"html", "text/html"}, //
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{"i", "text/plain"}, //
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{"ico", "image/vnd.microsoft.icon"}, //
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{"jar", "application/java-archive"}, //
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{"jpeg", "image/jpeg"}, //
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{"jpg", "image/jpeg"}, //
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{"js", "text/javascript"}, //
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{"json", "application/json"}, //
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{"m4a", "audio/mpeg"}, //
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{"markdown", "text/plain"}, //
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{"md", "text/plain"}, //
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{"mid", "audio/midi"}, //
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{"midi", "audio/midi"}, //
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{"mp2", "audio/mpeg"}, //
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{"mp3", "audio/mpeg"}, //
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{"mp4", "video/mp4"}, //
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{"mpeg", "video/mpeg"}, //
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{"mpg", "video/mpeg"}, //
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{"oga", "audio/ogg"}, //
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{"ogg", "application/ogg"}, //
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{"ogv", "video/ogg"}, //
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{"ogx", "application/ogg"}, //
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{"otf", "font/otf"}, //
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{"patch", "text/plain"}, //
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{"pdf", "application/pdf"}, //
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{"png", "image/png"}, //
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{"rar", "application/vnd.rar"}, //
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{"rtf", "application/rtf"}, //
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{"s", "text/plain"}, //
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{"sh", "application/x-sh"}, //
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{"sqlite", "application/vnd.sqlite3"}, //
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{"sqlite3", "application/vnd.sqlite3"}, //
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{"svg", "image/svg+xml"}, //
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{"swf", "application/x-shockwave-flash"}, //
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{"t38", "image/t38"}, //
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{"tar", "application/x-tar"}, //
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{"tiff", "image/tiff"}, //
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{"ttf", "font/ttf"}, //
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{"txt", "text/plain"}, //
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{"ul", "audio/basic"}, //
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{"ulaw", "audio/basic"}, //
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{"wasm", "application/wasm"}, //
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{"wav", "audio/x-wav"}, //
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{"weba", "audio/webm"}, //
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{"webm", "video/webm"}, //
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{"webp", "image/webp"}, //
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{"woff", "font/woff"}, //
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{"woff2", "font/woff2"}, //
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{"wsdl", "application/wsdl+xml"}, //
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{"xhtml", "application/xhtml+xml"}, //
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{"xls", "application/vnd.ms-excel"}, //
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{"xml", "application/xml"}, //
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{"xsl", "application/xslt+xml"}, //
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{"xslt", "application/xslt+xml"}, //
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{"xz", "application/x-xz"}, //
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{"z", "application/zlib"}, //
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{"zip", "application/zip"}, //
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{"zst", "application/zstd"}, //
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};
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static inline int CompareInts(const uint64_t x, uint64_t y) {
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return x > y ? 1 : x < y ? -1 : 0;
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}
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static const char *BisectContentType(uint64_t ext) {
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int c, m, l, r;
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l = 0;
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r = ARRAYLEN(kContentTypeExtension) - 1;
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while (l <= r) {
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m = (l + r) >> 1;
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c = CompareInts(READ64BE(kContentTypeExtension[m].ext), ext);
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if (c < 0) {
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l = m + 1;
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} else if (c > 0) {
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r = m - 1;
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} else {
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return kContentTypeExtension[m].mime;
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}
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}
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return 0;
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}
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/**
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* Returns Content-Type for file extension.
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*/
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const char *FindContentType(const char *p, size_t n) {
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int c;
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uint64_t w;
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if (n == -1) n = p ? strlen(p) : 0;
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for (w = 0; n--;) {
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c = p[n] & 255;
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if (c == '.') {
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return BisectContentType(bswap_64(w));
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}
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w <<= 8;
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w |= kToLower[c];
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}
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return 0;
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}
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