132         ssize_t  rval  = read(sSettingsFd, buffer, count);  in swapWrite()  local
134         VerifyOrDie(rval > 0, OT_EXIT_FAILURE);  in swapWrite()
135         count = static_cast<uint16_t>(rval);  in swapWrite()
136         rval  = write(aFd, buffer, count);  in swapWrite()
137         assert(rval == count);  in swapWrite()
138         VerifyOrDie(rval == count, OT_EXIT_FAILURE);  in swapWrite()
197         ssize_t  rval;  in otPlatSettingsInit()  local
199         rval = read(sSettingsFd, &key, sizeof(key));  in otPlatSettingsInit()
200         VerifyOrExit(rval == sizeof(key), error = OT_ERROR_PARSE);  in otPlatSettingsInit()
202         rval = read(sSettingsFd, &length, sizeof(length));  in otPlatSettingsInit()
203         VerifyOrExit(rval == sizeof(length), error = OT_ERROR_PARSE);  in otPlatSettingsInit()
249         ssize_t  rval;  in otPlatSettingsGet()  local
251         rval = read(sSettingsFd, &key, sizeof(key));  in otPlatSettingsGet()
252         VerifyOrExit(rval == sizeof(key), error = OT_ERROR_PARSE);  in otPlatSettingsGet()
254         rval = read(sSettingsFd, &length, sizeof(length));  in otPlatSettingsGet()
255         VerifyOrExit(rval == sizeof(length), error = OT_ERROR_PARSE);  in otPlatSettingsGet()
413         ssize_t  rval;  in platformSettingsDelete()  local
415         rval = read(sSettingsFd, &key, sizeof(key));  in platformSettingsDelete()
416         VerifyOrExit(rval == sizeof(key), error = OT_ERROR_PARSE);  in platformSettingsDelete()
418         rval = read(sSettingsFd, &length, sizeof(length));  in platformSettingsDelete()
419         VerifyOrExit(rval == sizeof(length), error = OT_ERROR_PARSE);  in platformSettingsDelete()
444         rval = write(swapFd, &key, sizeof(key));  in platformSettingsDelete()
445         assert(rval == sizeof(key));  in platformSettingsDelete()
446         VerifyOrDie(rval == sizeof(key), OT_EXIT_FAILURE);  in platformSettingsDelete()
448         rval = write(swapFd, &length, sizeof(length));  in platformSettingsDelete()
449         assert(rval == sizeof(length));  in platformSettingsDelete()
450         VerifyOrDie(rval == sizeof(length), OT_EXIT_FAILURE);  in platformSettingsDelete()