81         uint16_t length;  in Init()  local
87         rval = read(mSettingsFd, &length, sizeof(length));  in Init()
88         VerifyOrExit(rval == sizeof(length), error = OT_ERROR_PARSE);  in Init()
90         offset += sizeof(key) + sizeof(length) + length;  in Init()
91         VerifyOrExit(offset == lseek(mSettingsFd, length, SEEK_CUR), error = OT_ERROR_PARSE);  in Init()
128         uint16_t length;  in Get()  local
134         rval = read(mSettingsFd, &length, sizeof(length));  in Get()
135         VerifyOrExit(rval == sizeof(length), error = OT_ERROR_PARSE);  in Get()
147                         uint16_t readLength = (length <= *aValueLength ? length : *aValueLength);  in Get()
152                     *aValueLength = length;  in Get()
163         offset += sizeof(key) + sizeof(length) + length;  in Get()
164         VerifyOrExit(offset == lseek(mSettingsFd, length, SEEK_CUR), error = OT_ERROR_PARSE);  in Get()
242         uint16_t length;  in Delete()  local
248         rval = read(mSettingsFd, &length, sizeof(length));  in Delete()
249         VerifyOrExit(rval == sizeof(length), error = OT_ERROR_FAILED);  in Delete()
251         offset += sizeof(key) + sizeof(length) + length;  in Delete()
257 …             VerifyOrExit(offset == lseek(mSettingsFd, length, SEEK_CUR), error = OT_ERROR_FAILED);  in Delete()
264 …             VerifyOrExit(offset == lseek(mSettingsFd, length, SEEK_CUR), error = OT_ERROR_FAILED);  in Delete()
277         rval = write(swapFd, &length, sizeof(length));  in Delete()
278         VerifyOrExit(rval == sizeof(length), error = OT_ERROR_FAILED);  in Delete()
280         SwapWrite(swapFd, length);  in Delete()