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https://github.com/CTCaer/CTCaer-CWM.git
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55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/*
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* Copyright (C) 2007 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 MTDUTILS_H_
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#define MTDUTILS_H_
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#include <sys/types.h> // for size_t, etc.
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typedef struct MtdPartition MtdPartition;
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int mtd_scan_partitions(void);
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const MtdPartition *mtd_find_partition_by_name(const char *name);
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/* mount_point is like "/system"
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* filesystem is like "yaffs2"
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*/
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int mtd_mount_partition(const MtdPartition *partition, const char *mount_point,
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const char *filesystem, int read_only);
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/* get the partition and the minimum erase/write block size. NULL is ok.
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*/
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int mtd_partition_info(const MtdPartition *partition,
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size_t *total_size, size_t *erase_size, size_t *write_size);
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/* read or write raw data from a partition, starting at the beginning.
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* skips bad blocks as best we can.
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*/
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typedef struct MtdReadContext MtdReadContext;
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typedef struct MtdWriteContext MtdWriteContext;
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MtdReadContext *mtd_read_partition(const MtdPartition *);
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ssize_t mtd_read_data(MtdReadContext *, char *data, size_t data_len);
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void mtd_read_close(MtdReadContext *);
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MtdWriteContext *mtd_write_partition(const MtdPartition *);
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ssize_t mtd_write_data(MtdWriteContext *, const char *data, size_t data_len);
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off_t mtd_erase_blocks(MtdWriteContext *, int blocks); /* 0 ok, -1 for all */
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int mtd_write_close(MtdWriteContext *);
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#endif // MTDUTILS_H_
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