mirror of
https://github.com/jart/cosmopolitan.git
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d7c79f43ef
- Found some bugs in LLVM compiler-rt library - The useless LIBC_STUBS package is now deleted - Improve the overflow checking story even further - Get chibicc tests working in MODE=dbg mode again - The libc/isystem/ headers now have correctly named guards
50 lines
2.6 KiB
C
50 lines
2.6 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 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/mem/mem.h"
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#include "libc/runtime/runtime.h"
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#include "libc/str/str.h"
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#include "net/http/http.h"
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/**
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* Collapses repeating headers onto a single line.
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*/
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char *FoldHeader(struct HttpMessage *msg, char *b, int h, size_t *z) {
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char *p, *p2;
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size_t i, n, m;
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struct HttpHeader *x;
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n = msg->headers[h].b - msg->headers[h].a;
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if ((p = malloc(n))) {
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memcpy(p, b + msg->headers[h].a, n);
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for (i = 0; i < msg->xheaders.n; ++i) {
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x = msg->xheaders.p + i;
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if (GetHttpHeader(b + x->k.a, x->k.b - x->k.a) == h) {
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m = x->v.b - x->v.a;
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if ((p2 = realloc(p, n + 2 + m))) {
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memcpy(mempcpy((p = p2) + n, ", ", 2), b + x->v.a, m);
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n += 2 + m;
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} else {
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free(p);
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return 0;
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}
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}
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}
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*z = n;
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}
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return p;
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}
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