mirror of
https://github.com/alliedmodders/metamod-source.git
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115 lines
2.7 KiB
C++
115 lines
2.7 KiB
C++
/**
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* vim: set ts=4 :
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* ======================================================
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* Metamod:Source
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* Copyright (C) 2004-2008 AlliedModders LLC and authors.
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* All rights reserved.
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* ======================================================
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software in a
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* product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*
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* Version: $Id$
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*/
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#include <stdio.h>
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#include "metamod_oslink.h"
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#include <stdlib.h>
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#include <stdio.h>
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#if defined __linux__ || defined __APPLE__
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#include <errno.h>
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#endif
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#if defined __WIN32__ || defined _WIN32 || defined WIN32
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const char *dlerror()
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{
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static char buf[1024];
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DWORD num;
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num = GetLastError();
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if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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num,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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buf,
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sizeof(buf),
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NULL)
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== 0)
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{
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_snprintf(buf, sizeof(buf), "unknown error %x", num);
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}
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return buf;
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}
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#endif
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#if defined __linux_ || defined __APPLE___
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int GetLastError()
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{
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return errno;
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}
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extern "C" void __cxa_guard_acquire(void)
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{
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}
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extern "C" void __cxa_guard_release(void)
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{
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}
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#endif
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bool GetFileOfAddress(void *pAddr, char *buffer, size_t maxlength)
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{
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#if defined WIN32 || defined _WIN32
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MEMORY_BASIC_INFORMATION mem;
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if (!VirtualQuery(pAddr, &mem, sizeof(mem)))
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return false;
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if (mem.AllocationBase == NULL)
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return false;
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HMODULE dll = (HMODULE)mem.AllocationBase;
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GetModuleFileName(dll, (LPTSTR)buffer, static_cast<DWORD>(maxlength));
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#elif defined __linux__ || defined __APPLE__
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Dl_info info;
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if (!dladdr(pAddr, &info))
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return false;
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if (!info.dli_fbase || !info.dli_fname)
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return false;
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const char *dllpath = info.dli_fname;
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snprintf(buffer, maxlength, "%s", dllpath);
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#endif
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return true;
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}
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#if defined __GNUC__ && defined(NO_MALLOC_OVERRIDE)
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void * operator new(size_t size) {
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return malloc(size);
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}
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void * operator new[](size_t size) {
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return malloc(size);
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}
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void operator delete(void * ptr) {
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free(ptr);
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}
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void operator delete[](void * ptr) {
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free(ptr);
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}
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#endif
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