a4f48d0f44
Changing the num_sectors used in ioctl with BLKGETSIZE because the kernel expects an unsigned long type and then changes 64 bits with a 64 bits userspace. This overwrites what's located close to the parameter location if any. Change-Id: I78fd61a1084de2741f39b926aa436462518709a0 Signed-off-by: Mateusz Nowak <mateusz.nowak@intel.com> Signed-off-by: Zhiquan Liu <zhiquan.liu@intel.com>
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _LOOP_H
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#define _LOOP_H
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#include <unistd.h>
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#include <linux/loop.h>
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class SocketClient;
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class Loop {
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public:
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static const int LOOP_MAX = 4096;
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public:
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static int lookupActive(const char *id, char *buffer, size_t len);
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static int lookupInfo(const char *loopDevice, struct asec_superblock *sb, unsigned long *nr_sec);
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static int create(const char *id, const char *loopFile, char *loopDeviceBuffer, size_t len);
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static int destroyByDevice(const char *loopDevice);
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static int destroyByFile(const char *loopFile);
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static int createImageFile(const char *file, unsigned long numSectors);
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static int resizeImageFile(const char *file, unsigned long numSectors);
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static int dumpState(SocketClient *c);
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};
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#endif
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