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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef _WIPE_H_
     18 #define _WIPE_H_
     19 
     20 #ifdef __cplusplus
     21 extern "C" {
     22 #endif
     23 
     24 #include "ext4_utils.h"
     25 
     26 /* Set WIPE_IS_SUPPORTED to 1 if the current platform supports
     27  * wiping of block devices. 0 otherwise. For now, only Linux does.
     28  */
     29 #ifdef __linux__
     30 #  define WIPE_IS_SUPPORTED 1
     31 #else
     32 #  define WIPE_IS_SUPPORTED 0
     33 #endif
     34 
     35 int wipe_block_device(int fd, s64 len);
     36 
     37 #ifdef __cplusplus
     38 }
     39 #endif
     40 
     41 #endif
     42