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HLMetaModOfficial/core/metamod_oslink.cpp
2023-09-28 22:56:19 +03:00

115 lines
2.7 KiB
C++

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