gecko-dev/dom/system/gonk/nsVolumeStat.cpp

42 lines
958 B
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsVolumeStat.h"
#include "nsString.h"
namespace mozilla {
namespace system {
NS_IMPL_ISUPPORTS1(nsVolumeStat, nsIVolumeStat)
nsVolumeStat::nsVolumeStat(const nsAString& aPath)
{
nsCString utf8Path = NS_ConvertUTF16toUTF8(aPath);
if (statfs(utf8Path.get(), &mStat) != 0) {
memset(&mStat, 0, sizeof(mStat));
}
}
nsVolumeStat::~nsVolumeStat()
{
}
/* readonly attribute long long totalBytes; */
NS_IMETHODIMP nsVolumeStat::GetTotalBytes(int64_t* aTotalBytes)
{
*aTotalBytes = mStat.f_blocks * mStat.f_bsize;
return NS_OK;
}
/* readonly attribute long long freeBytes; */
NS_IMETHODIMP nsVolumeStat::GetFreeBytes(int64_t* aFreeBytes)
{
*aFreeBytes = mStat.f_bfree * mStat.f_bsize;
return NS_OK;
}
} // system
} // mozilla