mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
dd38904e41
Backs out 952d14a9e508 (bug 707173), c170c678c9ac (bug 708305), 0a5f66d5d8e4 (bug 707662), 3204b70435fe (bug 706236) and the main landing range 48807fde0339:0bd45ead1676 (bug 528288).
243 lines
8.8 KiB
C
243 lines
8.8 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set ts=4 sw=4 sts=4 et cin: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@netscape.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsHttp_h__
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#define nsHttp_h__
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#if defined(MOZ_LOGGING)
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#define FORCE_PR_LOG
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#endif
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// e10s mess: IPDL-generatd headers include chromium which both #includes
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// prlog.h, and #defines LOG in conflict with this file.
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// Solution: (as described in bug 545995)
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// 1) ensure that this file is #included before any IPDL-generated files and
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// anything else that #includes prlog.h, so that we can make sure prlog.h
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// sees FORCE_PR_LOG if needed.
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// 2) #include IPDL boilerplate, and then undef LOG so our LOG wins.
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// 3) nsNetModule.cpp does its own crazy stuff with #including prlog.h
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// multiple times; allow it to define ALLOW_LATE_NSHTTP_H_INCLUDE to bypass
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// check.
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#if defined(PR_LOG) && !defined(ALLOW_LATE_NSHTTP_H_INCLUDE)
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#error "If nsHttp.h #included it must come before any IPDL-generated files or other files that #include prlog.h"
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#endif
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#include "mozilla/net/NeckoChild.h"
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#undef LOG
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#include "plstr.h"
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#include "prlog.h"
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#include "prtime.h"
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#include "nsISupportsUtils.h"
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#include "nsPromiseFlatString.h"
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#include "nsURLHelper.h"
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#include "netCore.h"
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#if defined(PR_LOGGING)
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//
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// Log module for HTTP Protocol logging...
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//
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// To enable logging (see prlog.h for full details):
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//
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// set NSPR_LOG_MODULES=nsHttp:5
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// set NSPR_LOG_FILE=http.log
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//
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// this enables PR_LOG_ALWAYS level information and places all output in
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// the file http.log
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//
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extern PRLogModuleInfo *gHttpLog;
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#endif
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// http logging
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#define LOG1(args) PR_LOG(gHttpLog, 1, args)
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#define LOG2(args) PR_LOG(gHttpLog, 2, args)
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#define LOG3(args) PR_LOG(gHttpLog, 3, args)
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#define LOG4(args) PR_LOG(gHttpLog, 4, args)
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#define LOG(args) LOG4(args)
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#define LOG1_ENABLED() PR_LOG_TEST(gHttpLog, 1)
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#define LOG2_ENABLED() PR_LOG_TEST(gHttpLog, 2)
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#define LOG3_ENABLED() PR_LOG_TEST(gHttpLog, 3)
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#define LOG4_ENABLED() PR_LOG_TEST(gHttpLog, 4)
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#define LOG_ENABLED() LOG4_ENABLED()
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// http version codes
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#define NS_HTTP_VERSION_UNKNOWN 0
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#define NS_HTTP_VERSION_0_9 9
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#define NS_HTTP_VERSION_1_0 10
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#define NS_HTTP_VERSION_1_1 11
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typedef PRUint8 nsHttpVersion;
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//-----------------------------------------------------------------------------
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// http connection capabilities
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//-----------------------------------------------------------------------------
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#define NS_HTTP_ALLOW_KEEPALIVE (1<<0)
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#define NS_HTTP_ALLOW_PIPELINING (1<<1)
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// a transaction with this caps flag will continue to own the connection,
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// preventing it from being reclaimed, even after the transaction completes.
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#define NS_HTTP_STICKY_CONNECTION (1<<2)
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// a transaction with this caps flag will, upon opening a new connection,
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// bypass the local DNS cache
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#define NS_HTTP_REFRESH_DNS (1<<3)
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// a transaction with this caps flag will not pass SSL client-certificates
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// to the server (see bug #466080), but is may also be used for other things
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#define NS_HTTP_LOAD_ANONYMOUS (1<<4)
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// a transaction with this caps flag keeps timing information
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#define NS_HTTP_TIMING_ENABLED (1<<5)
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// a transaction with this caps flag will not only not use an existing
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// persistent connection but it will close outstanding ones to the same
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// host. Used by a forced reload to reset the connection states.
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#define NS_HTTP_CLEAR_KEEPALIVES (1<<6)
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//-----------------------------------------------------------------------------
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// some default values
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//-----------------------------------------------------------------------------
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// hard upper limit on the number of requests that can be pipelined
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#define NS_HTTP_MAX_PIPELINED_REQUESTS 8
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#define NS_HTTP_DEFAULT_PORT 80
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#define NS_HTTPS_DEFAULT_PORT 443
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#define NS_HTTP_HEADER_SEPS ", \t"
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//-----------------------------------------------------------------------------
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// http atoms...
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//-----------------------------------------------------------------------------
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struct nsHttpAtom
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{
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operator const char *() const { return _val; }
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const char *get() const { return _val; }
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void operator=(const char *v) { _val = v; }
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void operator=(const nsHttpAtom &a) { _val = a._val; }
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// private
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const char *_val;
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};
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struct nsHttp
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{
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static nsresult CreateAtomTable();
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static void DestroyAtomTable();
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// will dynamically add atoms to the table if they don't already exist
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static nsHttpAtom ResolveAtom(const char *);
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static nsHttpAtom ResolveAtom(const nsACString &s)
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{
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return ResolveAtom(PromiseFlatCString(s).get());
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}
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// returns true if the specified token [start,end) is valid per RFC 2616
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// section 2.2
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static bool IsValidToken(const char *start, const char *end);
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static inline bool IsValidToken(const nsCString &s) {
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const char *start = s.get();
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return IsValidToken(start, start + s.Length());
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}
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// find the first instance (case-insensitive comparison) of the given
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// |token| in the |input| string. the |token| is bounded by elements of
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// |separators| and may appear at the beginning or end of the |input|
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// string. null is returned if the |token| is not found. |input| may be
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// null, in which case null is returned.
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static const char *FindToken(const char *input, const char *token,
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const char *separators);
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// This function parses a string containing a decimal-valued, non-negative
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// 64-bit integer. If the value would exceed LL_MAXINT, then false is
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// returned. Otherwise, this function returns true and stores the
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// parsed value in |result|. The next unparsed character in |input| is
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// optionally returned via |next| if |next| is non-null.
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//
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// TODO(darin): Replace this with something generic.
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//
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static bool ParseInt64(const char *input, const char **next,
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PRInt64 *result);
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// Variant on ParseInt64 that expects the input string to contain nothing
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// more than the value being parsed.
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static inline bool ParseInt64(const char *input, PRInt64 *result) {
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const char *next;
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return ParseInt64(input, &next, result) && *next == '\0';
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}
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// Declare all atoms
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//
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// The atom names and values are stored in nsHttpAtomList.h and are brought
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// to you by the magic of C preprocessing. Add new atoms to nsHttpAtomList
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// and all support logic will be auto-generated.
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//
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#define HTTP_ATOM(_name, _value) static nsHttpAtom _name;
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#include "nsHttpAtomList.h"
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#undef HTTP_ATOM
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};
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//-----------------------------------------------------------------------------
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// utilities...
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//-----------------------------------------------------------------------------
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static inline PRUint32
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PRTimeToSeconds(PRTime t_usec)
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{
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return PRUint32( t_usec / PR_USEC_PER_SEC );
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}
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#define NowInSeconds() PRTimeToSeconds(PR_Now())
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// ripped from glib.h
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#undef CLAMP
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#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
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// round q-value to one decimal place; return most significant digit as uint.
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#define QVAL_TO_UINT(q) ((unsigned int) ((q + 0.05) * 10.0))
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#define HTTP_LWS " \t"
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#define HTTP_HEADER_VALUE_SEPS HTTP_LWS ","
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#endif // nsHttp_h__
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