gecko-dev/xpcom/base/nsSystemInfo.cpp

79 строки
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Mike Shaver <shaver@mozilla.org>
*/
#include "prsystem.h"
#include "nsSystemInfo.h"
#include "nsMemory.h"
nsSystemInfo::nsSystemInfo()
{
NS_INIT_REFCNT();
}
nsSystemInfo::~nsSystemInfo()
{
}
NS_IMPL_ISUPPORTS1(nsSystemInfo, nsISystemInfo)
#define SYSINFO_GETTER(name, cmd) \
NS_IMETHODIMP \
nsSystemInfo::Get##name(char **_retval) \
{ \
NS_ENSURE_ARG_POINTER(_retval); \
char *buf = (char *)nsMemory::Alloc(256); \
if (!buf) \
return NS_ERROR_OUT_OF_MEMORY; \
if (PR_GetSystemInfo((cmd), buf, 256) == PR_FAILURE) { \
nsMemory::Free(buf); \
return NS_ERROR_FAILURE; \
} \
*_retval = buf; \
return NS_OK; \
}
SYSINFO_GETTER(Hostname, PR_SI_HOSTNAME)
SYSINFO_GETTER(OSName, PR_SI_SYSNAME)
SYSINFO_GETTER(OSVersion, PR_SI_RELEASE)
SYSINFO_GETTER(Architecture, PR_SI_ARCHITECTURE)
NS_METHOD
nsSystemInfo::Create(nsISupports *outer, const nsIID &aIID, void **aInstancePtr)
{
nsresult rv;
if (outer)
return NS_ERROR_NO_AGGREGATION;
nsSystemInfo *it = new nsSystemInfo();
if (!it)
return NS_ERROR_OUT_OF_MEMORY;
rv = it->QueryInterface(aIID, aInstancePtr);
if (NS_FAILED(rv)) {
delete it;
*aInstancePtr = 0;
}
return rv;
}