зеркало из https://github.com/mozilla/gecko-dev.git
112 строки
3.3 KiB
C++
112 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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.org code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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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#include "CityHash.h"
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#include "cityhash/city.h"
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#define MAX_STRLEN 1024
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typedef struct _stack_t {
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struct _stack_t *next;
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TCHAR text[MAX_STRLEN];
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} stack_t;
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stack_t **g_stacktop;
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char *g_variables;
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BOOL APIENTRY DllMain(HMODULE hModule,
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DWORD ul_reason_for_call,
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LPVOID lpReserved)
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{
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switch (ul_reason_for_call)
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{
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case DLL_PROCESS_ATTACH:
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case DLL_THREAD_ATTACH:
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case DLL_THREAD_DETACH:
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case DLL_PROCESS_DETACH:
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break;
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}
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return TRUE;
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}
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bool popString(TCHAR *result)
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{
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stack_t *th;
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if (!g_stacktop || !*g_stacktop) return false;
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th = (*g_stacktop);
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lstrcpyn(result, th->text, MAX_STRLEN);
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*g_stacktop = th->next;
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GlobalFree((HGLOBAL)th);
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return true;
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}
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void pushString(const TCHAR *str)
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{
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stack_t *th;
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int strLen = wcslen(str)+1;
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if (!g_stacktop) return;
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th = (stack_t*)GlobalAlloc(GPTR, sizeof(stack_t) + (MAX_STRLEN*sizeof(TCHAR)));
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lstrcpyn(th->text, str, strLen);
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th->next = *g_stacktop;
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*g_stacktop = th;
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}
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extern "C"
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{
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CITYHASH_API
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void GetCityHash64(HWND hwndParent, int string_size, char *variables, stack_t **stacktop)
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{
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TCHAR hashString[MAX_STRLEN];
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TCHAR hexResult[18];
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g_stacktop = stacktop;
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g_variables = variables;
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memset(hashString, 0, sizeof(hashString));
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memset(hexResult, 0, sizeof(hexResult));
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if (!popString(hashString)) {
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pushString(L"error");
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return;
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}
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uint64 result = CityHash64((const char*)&hashString[0], wcslen(hashString)*sizeof(TCHAR));
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swprintf_s(hexResult, 17, L"%16I64X", result);
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pushString(hexResult);
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}
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} |