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/*
* @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef BACKUP_MANAGER_SERVER_INCLUDE_BKUP_UTIL_H_
#define BACKUP_MANAGER_SERVER_INCLUDE_BKUP_UTIL_H_
#include <sys/mman.h>
#include <ctime>
#include <cstring>
static inline size_t BkupStrlcpy(char *dst, const char *src, size_t siz) {
size_t ret = strlen(src);
if (dst == NULL) {
return -1;
}
if (src == NULL) {
return -1;
}
if (siz) { // LCOV_EXCL_BR_LINE 6:double check
size_t len = (ret >= siz) ? siz - 1 : ret; // LCOV_EXCL_BR_LINE 11:unexpected branch
memcpy(dst, src, len);
dst[len] = '\0';
}
return ret;
}
static inline char *BkupAnonMmap(size_t size) {
char *map = static_cast<char *>(mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0));
return map;
}
static inline uint64_t BkupTimerReal(void) {
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC_RAW, &ts) != -1) { // LCOV_EXCL_BR_LINE 5:clock_gettime's error case.
return (uint64_t)ts.tv_sec * 1000000000 + ts.tv_nsec;
}
return -1;
}
#endif // BACKUP_MANAGER_SERVER_INCLUDE_BKUP_UTIL_H_
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