1 /* 2 * Copyright (C) 2023 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 SHELL_AS_STRING_UTILS_H_ 18 #define SHELL_AS_STRING_UTILS_H_ 19 20 #include <unistd.h> 21 22 #include <vector> 23 24 namespace shell_as { 25 26 // Parses a string into an unsigned 32bit int value. Returns true on success and 27 // false otherwise. 28 bool StringToUInt32(const char* s, uint32_t* i); 29 30 // Parses a string into a unsigned 64bit int value. Returns true on success and 31 // false otherwise. 32 bool StringToUInt64(const char* s, uint64_t* i); 33 34 // Splits a line of uid_t/guid_t values by a given separator and returns the 35 // integer values in a vector. 36 // 37 // The separators string may contain multiple characters and is treated as a set 38 // of possible separating characters. 39 // 40 // If num_to_skip is non-zero, then that many entries will be skipped after 41 // splitting the line and before parsing the values as integers. This is useful 42 // if the line has a prefix such as "Gid: 1 2 3 4". 43 // 44 // Returns true on success and false otherwise. 45 bool SplitIdsAndSkip(char* line, const char* separators, int num_to_skip, 46 std::vector<uid_t>* ids); 47 48 } // namespace shell_as 49 50 #endif // SHELL_AS_STRING_UTILS_H_ 51