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/*
* Copyright (C) 2007-2009 Gabest
* http://www.gabest.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
// stdafx.cpp : source file that includes just the standard includes
// GSdx.pch will be the pre-compiled header
// stdafx.obj will contain the pre-compiled type information
#include "stdafx.h"
// TODO: reference any additional headers you need in STDAFX.H
// and not in this file
string format(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
int result = -1, length = 256;
char* buffer = NULL;
while(result == -1)
{
if(buffer) delete [] buffer;
buffer = new char[length + 1];
memset(buffer, 0, length + 1);
result = vsnprintf(buffer, length, fmt, args);
length *= 2;
}
va_end(args);
string s(buffer);
delete [] buffer;
return s;
}
#ifdef _WINDOWS
void* vmalloc(size_t size, bool code)
{
return VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE, code ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE);
}
void vmfree(void* ptr, size_t size)
{
VirtualFree(ptr, 0, MEM_RELEASE);
}
#else
#include <sys/mman.h>
#include <unistd.h>
void* vmalloc(size_t size, bool code)
{
size_t mask = getpagesize() - 1;
size = (size + mask) & ~mask;
int flags = PROT_READ | PROT_WRITE;
if(code)
{
flags |= PROT_EXEC;
}
return mmap(NULL, size, flags, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
}
void vmfree(void* ptr, size_t size)
{
size_t mask = getpagesize() - 1;
size = (size + mask) & ~mask;
munmap(ptr, size);
}
#endif
#if !defined(_MSC_VER)
// declare linux equivalents (alignment must be power of 2 (1,2,4...2^15)
#if !defined(__USE_ISOC11) || defined(ASAN_WORKAROUND)
void* _aligned_malloc(size_t size, size_t alignment)
{
void *ret = 0;
posix_memalign(&ret, alignment, size);
return ret;
}
#endif
#endif
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