1 /*
2 * Copyright (C) 2014 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 #include "fuse_adb_provider.h"
18
19 #include <errno.h>
20 #include <stdio.h>
21 #include <string.h>
22
23 #include "adb.h"
24 #include "adb_io.h"
25
ReadBlockAlignedData(uint8_t * buffer,uint32_t fetch_size,uint32_t start_block) const26 bool FuseAdbDataProvider::ReadBlockAlignedData(uint8_t* buffer, uint32_t fetch_size,
27 uint32_t start_block) const {
28 if (!WriteFdFmt(fd_, "%08u", start_block)) {
29 fprintf(stderr, "failed to write to adb host: %s\n", strerror(errno));
30 return false;
31 }
32
33 if (!ReadFdExactly(fd_, buffer, fetch_size)) {
34 fprintf(stderr, "failed to read from adb host: %s\n", strerror(errno));
35 return false;
36 }
37
38 return true;
39 }
40