mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-05-27 15:52:28 +00:00
Make major improvements to stdio
Buffering now has optimal performance, bugs have been fixed, and some missing apis have been introduced. This implementation is also now more production worthy since it's less brittle now in terms of system errors. That's going to help redbean since lua i/o is all based on stdio. See #97
This commit is contained in:
Justine Tunney
parent
09bcfa23d5
commit
da36e7e256
69 changed files with 1595 additions and 735 deletions
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@ -27,44 +27,130 @@
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* HTML entities and forward slash are escaped too for added safety.
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*
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* We assume the UTF-8 is well-formed and can be represented as UTF-16.
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* Things that can't be decoded or encoded will be replaced with invalid
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* code-point markers. This function is agnostic to numbers that have
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* been used with malicious intent in the past under buggy software.
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* Noncanonical encodings such as overlong NUL are canonicalized as NUL.
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* Things that can't be decoded will fall back to binary. Things that
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* can't be encoded will use invalid codepoint markers. This function is
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* agnostic to numbers that have been used with malicious intent in the
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* past under buggy software. Noncanonical encodings such as overlong
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* NUL are canonicalized as NUL.
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*/
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struct EscapeResult EscapeJsStringLiteral(const char *data, size_t size) {
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char *p;
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size_t i;
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unsigned n;
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uint64_t w;
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wint_t x, y;
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unsigned i, n;
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wint_t x, a, b;
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const char *d, *e;
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struct EscapeResult r;
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d = data;
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e = data + size;
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p = r.data = xmalloc(size * 6 + 6 + 1);
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for (i = 0; i < size;) {
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x = data[i++] & 0xff;
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if (x >= 0200) {
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if (x >= 0300) {
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n = ThomPikeLen(x);
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x = ThomPikeByte(x);
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while (--n) {
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if (i < size) {
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y = data[i++] & 0xff;
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if (ThomPikeCont(y)) {
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x = ThomPikeMerge(x, y);
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} else {
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x = 0xFFFD;
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break;
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}
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} else {
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x = 0xFFFD;
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while (d < e) {
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x = *d++ & 0xff;
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if (x >= 0300) {
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a = ThomPikeByte(x);
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n = ThomPikeLen(x) - 1;
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if (d + n <= e) {
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for (i = 0;;) {
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b = d[i] & 0xff;
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if (!ThomPikeCont(b)) break;
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a = ThomPikeMerge(a, b);
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if (++i == n) {
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x = a;
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d += i;
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break;
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}
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}
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} else {
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x = 0xFFFD;
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}
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}
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switch (x) {
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case ' ':
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case '!':
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case '#':
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case '$':
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case '%':
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case '(':
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case ')':
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case '*':
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case '+':
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case ',':
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case '-':
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case '.':
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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case ':':
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case ';':
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case '?':
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case '@':
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case 'A':
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case 'B':
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case 'C':
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case 'D':
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case 'E':
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case 'F':
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case 'G':
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case 'H':
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case 'I':
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case 'J':
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case 'K':
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case 'L':
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case 'M':
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case 'N':
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case 'O':
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case 'P':
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case 'Q':
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case 'R':
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case 'S':
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case 'T':
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case 'U':
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case 'V':
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case 'W':
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case 'X':
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case 'Y':
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case 'Z':
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case '[':
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case ']':
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case '^':
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case '_':
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case '`':
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case 'a':
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case 'b':
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case 'c':
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case 'd':
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case 'e':
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case 'f':
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case 'g':
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case 'h':
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case 'i':
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case 'j':
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case 'k':
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case 'l':
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case 'm':
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case 'n':
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case 'o':
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case 'p':
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case 'q':
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case 'r':
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case 's':
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case 't':
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case 'u':
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case 'v':
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case 'w':
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case 'x':
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case 'y':
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case 'z':
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case '{':
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case '|':
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case '}':
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case '~':
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*p++ = x;
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break;
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case '\t':
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p[0] = '\\';
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p[1] = 't';
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@ -105,24 +191,19 @@ struct EscapeResult EscapeJsStringLiteral(const char *data, size_t size) {
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p[1] = '\'';
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p += 2;
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break;
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default:
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if (0x20 <= x && x < 0x7F) {
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*p++ = x;
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break;
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}
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/* fallthrough */
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case '<':
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case '>':
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case '&':
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case '=':
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default:
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w = EncodeUtf16(x);
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do {
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p[0] = '\\';
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p[1] = 'u';
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p[2] = "0123456789ABCDEF"[(w & 0xF000) >> 014];
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p[3] = "0123456789ABCDEF"[(w & 0x0F00) >> 010];
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p[4] = "0123456789ABCDEF"[(w & 0x00F0) >> 004];
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p[5] = "0123456789ABCDEF"[(w & 0x000F) >> 000];
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p[2] = "0123456789abcdef"[(w & 0xF000) >> 014];
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p[3] = "0123456789abcdef"[(w & 0x0F00) >> 010];
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p[4] = "0123456789abcdef"[(w & 0x00F0) >> 004];
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p[5] = "0123456789abcdef"[(w & 0x000F) >> 000];
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p += 6;
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} while ((w >>= 16));
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break;
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@ -31,7 +31,7 @@ Content-Md5, kHttpContentMd5
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Content-Range, kHttpContentRange
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Content-Type, kHttpContentType
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Date, kHttpDate
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Etag, kHttpEtag
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ETag, kHttpEtag
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Expires, kHttpExpires
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From, kHttpFrom
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Host, kHttpHost
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@ -58,5 +58,10 @@ Retry-After, kHttpRetryAfter
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Server, kHttpServer
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Vary, kHttpVary
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Warning, kHttpWarning
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Www-Authenticate, kHttpWwwAuthenticate
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WWW-Authenticate, kHttpWwwAuthenticate
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Last-Modified, kHttpLastModified
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Cookie, kHttpCookie
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Trailer, kHttpTrailer
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TE, kHttpTe
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DNT, kHttpDnt
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Expect, kHttpExpect
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@ -1,6 +1,6 @@
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/* ANSI-C code produced by gperf version 3.1 */
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/* Command-line: gperf gethttpheader.gperf */
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/* Computed positions: -k'1,9,$' */
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/* Computed positions: -k'3-4,10' */
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#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
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&& ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
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@ -37,12 +37,12 @@
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#line 12 "gethttpheader.gperf"
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struct HttpHeaderSlot { char *name; char code; };
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#define TOTAL_KEYWORDS 49
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#define MIN_WORD_LENGTH 3
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#define TOTAL_KEYWORDS 54
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#define MIN_WORD_LENGTH 2
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#define MAX_WORD_LENGTH 19
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#define MIN_HASH_VALUE 5
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#define MAX_HASH_VALUE 72
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/* maximum key range = 68, duplicates = 0 */
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#define MIN_HASH_VALUE 2
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#define MAX_HASH_VALUE 89
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/* maximum key range = 88, duplicates = 0 */
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#ifndef GPERF_DOWNCASE
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#define GPERF_DOWNCASE 1
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@ -101,52 +101,55 @@ hash (register const char *str, register size_t len)
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{
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static const unsigned char asso_values[] =
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{
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 0, 73, 73, 73, 73,
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73, 73, 73, 0, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 5, 20, 0, 15, 0,
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0, 45, 20, 5, 73, 10, 35, 5, 5, 5,
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20, 73, 5, 30, 0, 0, 15, 20, 73, 15,
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73, 73, 73, 73, 73, 73, 73, 5, 20, 0,
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15, 0, 0, 45, 20, 5, 73, 10, 35, 5,
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5, 5, 20, 73, 5, 30, 0, 0, 15, 20,
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73, 15, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
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73, 73, 73, 73, 73, 73
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90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
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90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
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90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
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90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
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90, 90, 90, 90, 90, 30, 90, 90, 90, 90,
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90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
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90, 90, 90, 90, 90, 5, 5, 30, 50, 0,
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35, 30, 0, 5, 90, 40, 0, 30, 0, 20,
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45, 90, 0, 5, 10, 5, 0, 15, 20, 25,
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90, 90, 90, 90, 90, 90, 90, 5, 5, 30,
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50, 0, 35, 30, 0, 5, 90, 40, 0, 30,
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0, 20, 45, 90, 0, 5, 10, 5, 0, 15,
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20, 25, 90, 90, 90, 90, 90, 90, 90, 90,
|
||||
90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
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90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
||||
90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
||||
90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
||||
90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
||||
90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
||||
90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
||||
90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
||||
90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
||||
90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
||||
90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
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90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
|
||||
90, 90, 90, 90, 90, 90
|
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};
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register unsigned int hval = len;
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|
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switch (hval)
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{
|
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default:
|
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hval += asso_values[(unsigned char)str[8]];
|
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hval += asso_values[(unsigned char)str[9]];
|
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/*FALLTHROUGH*/
|
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case 9:
|
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case 8:
|
||||
case 7:
|
||||
case 6:
|
||||
case 5:
|
||||
case 4:
|
||||
hval += asso_values[(unsigned char)str[3]];
|
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/*FALLTHROUGH*/
|
||||
case 3:
|
||||
hval += asso_values[(unsigned char)str[2]];
|
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/*FALLTHROUGH*/
|
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case 2:
|
||||
case 1:
|
||||
hval += asso_values[(unsigned char)str[0]];
|
||||
break;
|
||||
}
|
||||
return hval + asso_values[(unsigned char)str[len - 1]];
|
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return hval;
|
||||
}
|
||||
|
||||
const struct HttpHeaderSlot *
|
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|
|
@ -154,116 +157,134 @@ LookupHttpHeader (register const char *str, register size_t len)
|
|||
{
|
||||
static const struct HttpHeaderSlot wordlist[] =
|
||||
{
|
||||
{""}, {""}, {""}, {""}, {""},
|
||||
#line 23 "gethttpheader.gperf"
|
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{"Close", kHttpClose},
|
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{""},
|
||||
#line 52 "gethttpheader.gperf"
|
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{"Upgrade", kHttpUpgrade},
|
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{""}, {""},
|
||||
#line 65 "gethttpheader.gperf"
|
||||
{"TE", kHttpTe},
|
||||
#line 18 "gethttpheader.gperf"
|
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{"Age", kHttpAge},
|
||||
#line 36 "gethttpheader.gperf"
|
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{"From", kHttpFrom},
|
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{""}, {""},
|
||||
#line 58 "gethttpheader.gperf"
|
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{"Server", kHttpServer},
|
||||
#line 60 "gethttpheader.gperf"
|
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{"Warning", kHttpWarning},
|
||||
#line 54 "gethttpheader.gperf"
|
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{"Via", kHttpVia},
|
||||
{""},
|
||||
#line 24 "gethttpheader.gperf"
|
||||
{"Connection", kHttpConnection},
|
||||
#line 56 "gethttpheader.gperf"
|
||||
{"Public", kHttpPublic},
|
||||
#line 22 "gethttpheader.gperf"
|
||||
{"Chunked", kHttpChunked},
|
||||
#line 66 "gethttpheader.gperf"
|
||||
{"DNT", kHttpDnt},
|
||||
#line 33 "gethttpheader.gperf"
|
||||
{"Date", kHttpDate},
|
||||
{""}, {""},
|
||||
#line 64 "gethttpheader.gperf"
|
||||
{"Trailer", kHttpTrailer},
|
||||
{""},
|
||||
#line 37 "gethttpheader.gperf"
|
||||
{"Host", kHttpHost},
|
||||
#line 53 "gethttpheader.gperf"
|
||||
{"User-Agent", kHttpUserAgent},
|
||||
#line 57 "gethttpheader.gperf"
|
||||
{"Retry-After", kHttpRetryAfter},
|
||||
#line 51 "gethttpheader.gperf"
|
||||
{"Transfer-Encoding", kHttpTransferEncoding},
|
||||
{""},
|
||||
#line 28 "gethttpheader.gperf"
|
||||
{"Content-Length", kHttpContentLength},
|
||||
#line 19 "gethttpheader.gperf"
|
||||
{"Allow", kHttpAllow},
|
||||
#line 26 "gethttpheader.gperf"
|
||||
{"Content-Encoding", kHttpContentEncoding},
|
||||
#line 25 "gethttpheader.gperf"
|
||||
{"Content-Base", kHttpContentBase},
|
||||
#line 31 "gethttpheader.gperf"
|
||||
{"Content-Range", kHttpContentRange},
|
||||
#line 59 "gethttpheader.gperf"
|
||||
{"Vary", kHttpVary},
|
||||
#line 23 "gethttpheader.gperf"
|
||||
{"Close", kHttpClose},
|
||||
#line 27 "gethttpheader.gperf"
|
||||
{"Content-Language", kHttpContentLanguage},
|
||||
{""},
|
||||
#line 20 "gethttpheader.gperf"
|
||||
{"Authorization", kHttpAuthorization},
|
||||
{""},
|
||||
#line 49 "gethttpheader.gperf"
|
||||
{"Range", kHttpRange},
|
||||
#line 14 "gethttpheader.gperf"
|
||||
{"Accept", kHttpAccept},
|
||||
#line 32 "gethttpheader.gperf"
|
||||
{"Content-Type", kHttpContentType},
|
||||
#line 52 "gethttpheader.gperf"
|
||||
{"Upgrade", kHttpUpgrade},
|
||||
#line 41 "gethttpheader.gperf"
|
||||
{"If-Range", kHttpIfRange},
|
||||
#line 34 "gethttpheader.gperf"
|
||||
{"ETag", kHttpEtag},
|
||||
{""},
|
||||
#line 53 "gethttpheader.gperf"
|
||||
{"User-Agent", kHttpUserAgent},
|
||||
#line 30 "gethttpheader.gperf"
|
||||
{"Content-Md5", kHttpContentMd5},
|
||||
#line 50 "gethttpheader.gperf"
|
||||
{"Referer", kHttpReferer},
|
||||
#line 31 "gethttpheader.gperf"
|
||||
{"Content-Range", kHttpContentRange},
|
||||
#line 33 "gethttpheader.gperf"
|
||||
{"Date", kHttpDate},
|
||||
#line 24 "gethttpheader.gperf"
|
||||
{"Connection", kHttpConnection},
|
||||
#line 57 "gethttpheader.gperf"
|
||||
{"Retry-After", kHttpRetryAfter},
|
||||
#line 22 "gethttpheader.gperf"
|
||||
{"Chunked", kHttpChunked},
|
||||
#line 54 "gethttpheader.gperf"
|
||||
{"Via", kHttpVia},
|
||||
#line 37 "gethttpheader.gperf"
|
||||
{"Host", kHttpHost},
|
||||
#line 17 "gethttpheader.gperf"
|
||||
{"Accept-Language", kHttpAcceptLanguage},
|
||||
#line 56 "gethttpheader.gperf"
|
||||
{"Public", kHttpPublic},
|
||||
#line 39 "gethttpheader.gperf"
|
||||
{"If-Modified-Since", kHttpIfModifiedSince},
|
||||
#line 20 "gethttpheader.gperf"
|
||||
{"Authorization", kHttpAuthorization},
|
||||
#line 42 "gethttpheader.gperf"
|
||||
{"If-Unmodified-Since", kHttpIfUnmodifiedSince},
|
||||
#line 19 "gethttpheader.gperf"
|
||||
{"Allow", kHttpAllow},
|
||||
#line 45 "gethttpheader.gperf"
|
||||
{"Pragma", kHttpPragma},
|
||||
#line 25 "gethttpheader.gperf"
|
||||
{"Content-Base", kHttpContentBase},
|
||||
#line 38 "gethttpheader.gperf"
|
||||
{"If-Match", kHttpIfMatch},
|
||||
#line 59 "gethttpheader.gperf"
|
||||
{"Vary", kHttpVary},
|
||||
#line 50 "gethttpheader.gperf"
|
||||
{"Referer", kHttpReferer},
|
||||
#line 55 "gethttpheader.gperf"
|
||||
{"Location", kHttpLocation},
|
||||
{""},
|
||||
#line 17 "gethttpheader.gperf"
|
||||
{"Accept-Language", kHttpAcceptLanguage},
|
||||
#line 29 "gethttpheader.gperf"
|
||||
{"Content-Location", kHttpContentLocation},
|
||||
#line 32 "gethttpheader.gperf"
|
||||
{"Content-Type", kHttpContentType},
|
||||
#line 40 "gethttpheader.gperf"
|
||||
{"If-None-Match", kHttpIfNoneMatch},
|
||||
#line 15 "gethttpheader.gperf"
|
||||
{"Accept-Charset", kHttpAcceptCharset},
|
||||
{""},
|
||||
#line 67 "gethttpheader.gperf"
|
||||
{"Expect", kHttpExpect},
|
||||
{""},
|
||||
#line 21 "gethttpheader.gperf"
|
||||
{"Cache-Control", kHttpCacheControl},
|
||||
#line 36 "gethttpheader.gperf"
|
||||
{"From", kHttpFrom},
|
||||
#line 43 "gethttpheader.gperf"
|
||||
{"Keep-Alive", kHttpKeepAlive},
|
||||
#line 61 "gethttpheader.gperf"
|
||||
{"Www-Authenticate", kHttpWwwAuthenticate},
|
||||
#line 48 "gethttpheader.gperf"
|
||||
{"Proxy-Connection", kHttpProxyConnection},
|
||||
#line 35 "gethttpheader.gperf"
|
||||
{"Expires", kHttpExpires},
|
||||
#line 46 "gethttpheader.gperf"
|
||||
{"Proxy-Authenticate", kHttpProxyAuthenticate},
|
||||
#line 15 "gethttpheader.gperf"
|
||||
{"Accept-Charset", kHttpAcceptCharset},
|
||||
{""},
|
||||
#line 58 "gethttpheader.gperf"
|
||||
{"Server", kHttpServer},
|
||||
{""},
|
||||
#line 40 "gethttpheader.gperf"
|
||||
{"If-None-Match", kHttpIfNoneMatch},
|
||||
#line 47 "gethttpheader.gperf"
|
||||
{"Proxy-Authorization", kHttpProxyAuthorization},
|
||||
{""},
|
||||
#line 48 "gethttpheader.gperf"
|
||||
{"Proxy-Connection", kHttpProxyConnection},
|
||||
{""},
|
||||
#line 55 "gethttpheader.gperf"
|
||||
{"Location", kHttpLocation},
|
||||
#line 34 "gethttpheader.gperf"
|
||||
{"Etag", kHttpEtag},
|
||||
{""},
|
||||
#line 27 "gethttpheader.gperf"
|
||||
{"Content-Language", kHttpContentLanguage},
|
||||
#line 61 "gethttpheader.gperf"
|
||||
{"WWW-Authenticate", kHttpWwwAuthenticate},
|
||||
#line 44 "gethttpheader.gperf"
|
||||
{"Max-Forwards", kHttpMaxForwards},
|
||||
#line 21 "gethttpheader.gperf"
|
||||
{"Cache-Control", kHttpCacheControl},
|
||||
{""}, {""},
|
||||
#line 29 "gethttpheader.gperf"
|
||||
{"Content-Location", kHttpContentLocation},
|
||||
{""}, {""}, {""}, {""},
|
||||
#line 26 "gethttpheader.gperf"
|
||||
{"Content-Encoding", kHttpContentEncoding},
|
||||
#line 51 "gethttpheader.gperf"
|
||||
{"Transfer-Encoding", kHttpTransferEncoding},
|
||||
{""}, {""}, {""}, {""}, {""},
|
||||
#line 62 "gethttpheader.gperf"
|
||||
{"Last-Modified", kHttpLastModified},
|
||||
#line 28 "gethttpheader.gperf"
|
||||
{"Content-Length", kHttpContentLength},
|
||||
{""}, {""},
|
||||
#line 63 "gethttpheader.gperf"
|
||||
{"Cookie", kHttpCookie},
|
||||
{""},
|
||||
#line 38 "gethttpheader.gperf"
|
||||
{"If-Match", kHttpIfMatch},
|
||||
{""}, {""},
|
||||
#line 30 "gethttpheader.gperf"
|
||||
{"Content-Md5", kHttpContentMd5},
|
||||
{""}, {""}, {""},
|
||||
#line 16 "gethttpheader.gperf"
|
||||
{"Accept-Encoding", kHttpAcceptEncoding},
|
||||
{""},
|
||||
#line 60 "gethttpheader.gperf"
|
||||
{"Warning", kHttpWarning}
|
||||
#line 39 "gethttpheader.gperf"
|
||||
{"If-Modified-Since", kHttpIfModifiedSince},
|
||||
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
|
||||
{""}, {""},
|
||||
#line 42 "gethttpheader.gperf"
|
||||
{"If-Unmodified-Since", kHttpIfUnmodifiedSince}
|
||||
};
|
||||
|
||||
if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
|
||||
|
|
|
|||
|
|
@ -91,6 +91,9 @@ static const struct HttpReason {
|
|||
|
||||
/**
|
||||
* Returns string describing HTTP reason phrase.
|
||||
*
|
||||
* @see https://tools.ietf.org/html/rfc2616
|
||||
* @see https://tools.ietf.org/html/rfc6585
|
||||
*/
|
||||
const char *GetHttpReason(int code) {
|
||||
int m, l, r;
|
||||
|
|
|
|||
|
|
@ -70,7 +70,12 @@
|
|||
#define kHttpWarning 46
|
||||
#define kHttpWwwAuthenticate 47
|
||||
#define kHttpLastModified 48
|
||||
#define kHttpHeadersMax 49
|
||||
#define kHttpCookie 49
|
||||
#define kHttpTrailer 50
|
||||
#define kHttpTe 51
|
||||
#define kHttpDnt 52
|
||||
#define kHttpExpect 53
|
||||
#define kHttpHeadersMax 54
|
||||
|
||||
#if !(__ASSEMBLER__ + __LINKER__ + 0)
|
||||
COSMOPOLITAN_C_START_
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue