func EnsureWritten(cfg Cfg, includeDir string) error {
// XXX: Detect these problems at error text generation time.
if err := calcPriorities(cfg, CFG_SETTING_TYPE_TASK_PRIO,
SYSCFG_TASK_PRIO_MAX, false); err != nil {
return err
}
// XXX: Detect these problems at error text generation time.
if err := calcPriorities(cfg, CFG_SETTING_TYPE_INTERRUPT_PRIO,
SYSCFG_INTERRUPT_PRIO_MAX, true); err != nil {
return err
}
buf := bytes.Buffer{}
write(cfg, &buf)
path := includeDir + "/" + HEADER_PATH
writeReqd, err := util.FileContentsChanged(path, buf.Bytes())
if err != nil {
return err
}
if !writeReqd {
log.Debugf("syscfg unchanged; not writing header file (%s).", path)
return nil
}
log.Debugf("syscfg changed; writing header file (%s).", path)
if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
return util.NewNewtError(err.Error())
}
if err := ioutil.WriteFile(path, buf.Bytes(), 0644); err != nil {
return util.NewNewtError(err.Error())
}
return nil
}
func (flashMap FlashMap) ensureWrittenGen(path string, contents []byte) error {
writeReqd, err := util.FileContentsChanged(path, contents)
if err != nil {
return err
}
if !writeReqd {
log.Debugf("flash map unchanged; not writing file (%s).", path)
return nil
}
log.Debugf("flash map changed; writing file (%s).", path)
if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
return util.NewNewtError(err.Error())
}
if err := ioutil.WriteFile(path, contents, 0644); err != nil {
return util.NewNewtError(err.Error())
}
return nil
}