func()

in mfg/verify.go [32:77]

• 38 lines of code
• 12 McCabe index (conditional complexity)

func (m *Mfg) validateManFlashMap(man manifest.MfgManifest) error {
	idAreaMap := map[int]flash.FlashArea{}
	for _, area := range man.FlashAreas {
		if _, dup := idAreaMap[area.Id]; dup {
			return errors.Errorf(
				"mfg manifest contains duplicate flash area: %d", area.Id)
		}

		idAreaMap[area.Id] = area
	}

	seen := map[int]struct{}{}

	mmrHasFlash := man.Meta != nil && man.Meta.FlashMap

	for _, t := range m.Tlvs() {
		if t.Header.Type == META_TLV_TYPE_FLASH_AREA {
			if !mmrHasFlash {
				return errors.Errorf(
					"mmr contains flash map; manifest indicates otherwise")
			}

			body, err := t.StructuredBody()
			if err != nil {
				return err
			}
			flashBody := body.(*MetaTlvBodyFlashArea)
			if _, ok := idAreaMap[int(flashBody.Area)]; !ok {
				return errors.Errorf(
					"flash area %d missing from mfg manifest", flashBody.Area)
			}

			seen[int(flashBody.Area)] = struct{}{}
		}
	}

	if mmrHasFlash {
		for _, area := range man.FlashAreas {
			if _, ok := seen[area.Id]; !ok {
				return errors.Errorf("flash area %d missing from mmr", area.Id)
			}
		}
	}

	return nil
}