1 /*
2  * Copyright (C) 2016 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 "FileUtils.h"
18 
19 #include <sys/stat.h>
20 #include <cstdio>
21 #include <string>
22 #include <vector>
23 
24 #include <cutils/log.h>
25 
readWholeFile(const std::string & filePath)26 std::vector<uint8_t> readWholeFile(const std::string& filePath) {
27     FILE* fp = fopen(filePath.c_str(), "r");
28     LOG_ALWAYS_FATAL_IF(fp == nullptr);
29     struct stat st;
30     LOG_ALWAYS_FATAL_IF(fstat(fileno(fp), &st) != 0);
31 
32     std::vector<uint8_t> result(st.st_size);
33     LOG_ALWAYS_FATAL_IF(fread(result.data(), 1, st.st_size, fp) != static_cast<size_t>(st.st_size));
34     fclose(fp);
35     return result;
36 }
37