67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
/*
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nsjail - useful procedures
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-----------------------------------------
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Copyright 2016 Google Inc. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 NS_UTIL_H
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#define NS_UTIL_H
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#include <inttypes.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string>
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#include <vector>
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#include "nsjail.h"
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#define RETURN_ON_FAILURE(expr) \
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do { \
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if (!(expr)) { \
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return false; \
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} \
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} while (0)
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#define QC(x) util::StrQuote(x).c_str()
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namespace util {
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ssize_t readFromFd(int fd, void* buf, size_t len);
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ssize_t readFromFile(const char* fname, void* buf, size_t len);
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bool writeToFd(int fd, const void* buf, size_t len);
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bool writeBufToFile(
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const char* filename, const void* buf, size_t len, int open_flags, bool log_errors = true);
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bool createDirRecursively(const char* dir);
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std::string* StrAppend(std::string* str, const char* format, ...)
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__attribute__((format(printf, 2, 3)));
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std::string StrPrintf(const char* format, ...) __attribute__((format(printf, 1, 2)));
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const std::string StrQuote(const std::string& str);
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bool isANumber(const char* s);
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uint64_t rnd64(void);
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const std::string sigName(int signo);
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const std::string timeToStr(time_t t);
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std::vector<std::string> strSplit(const std::string str, char delim);
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long syscall(long sysno, uintptr_t a0 = 0, uintptr_t a1 = 0, uintptr_t a2 = 0, uintptr_t a3 = 0,
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uintptr_t a4 = 0, uintptr_t a5 = 0);
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} // namespace util
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#endif /* NS_UTIL_H */
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