82         ssize_t  rval;  in Init()  local
84         rval = read(mSettingsFd, &key, sizeof(key));  in Init()
85         VerifyOrExit(rval == sizeof(key), error = OT_ERROR_PARSE);  in Init()
87         rval = read(mSettingsFd, &length, sizeof(length));  in Init()
88         VerifyOrExit(rval == sizeof(length), error = OT_ERROR_PARSE);  in Init()
129         ssize_t  rval;  in Get()  local
131         rval = read(mSettingsFd, &key, sizeof(key));  in Get()
132         VerifyOrExit(rval == sizeof(key), error = OT_ERROR_PARSE);  in Get()
134         rval = read(mSettingsFd, &length, sizeof(length));  in Get()
135         VerifyOrExit(rval == sizeof(length), error = OT_ERROR_PARSE);  in Get()
243         ssize_t  rval;  in Delete()  local
245         rval = read(mSettingsFd, &key, sizeof(key));  in Delete()
246         VerifyOrExit(rval == sizeof(key), error = OT_ERROR_FAILED);  in Delete()
248         rval = read(mSettingsFd, &length, sizeof(length));  in Delete()
249         VerifyOrExit(rval == sizeof(length), error = OT_ERROR_FAILED);  in Delete()
274         rval = write(swapFd, &key, sizeof(key));  in Delete()
275         VerifyOrExit(rval == sizeof(key), 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()
334         ssize_t  rval  = read(mSettingsFd, buffer, count);  in SwapWrite()  local
336         VerifyOrDie(rval > 0, OT_EXIT_FAILURE);  in SwapWrite()
337         count = static_cast<uint16_t>(rval);  in SwapWrite()
338         rval  = write(aFd, buffer, count);  in SwapWrite()
339         OT_ASSERT(rval == count);  in SwapWrite()
340         VerifyOrDie(rval == count, OT_EXIT_FAILURE);  in SwapWrite()