Function readKernelFeatures

pkg/system/kernel_linux.go:124–172

(filename string)

}

func readKernelFeatures(filename string) (map[string]string, error) {
	freader, err := os.Open(filename)
	if err != nil {
		return nil, err
	}
	defer freader.Close()

	areader, err := gzip.NewReader(freader)
	if err != nil {
		return nil, err
	}
	defer areader.Close()

	var lines []string

	scanner := bufio.NewScanner(areader)
	kernelFeatures := map[string]string{}
	for scanner.Scan() {
		line := strings.TrimSpace(scanner.Text())
		if line == "" {
			continue
		}
		if line[0] == '#' {
			//todo: extract section metadata from comments
			continue
		}

		lineParts := strings.Split(line, "=")
		if len(lineParts) == 2 {
			flagKey := strings.TrimSpace(lineParts[0])
			flagValue := strings.TrimSpace(lineParts[1])
			flagValue = strings.Trim(flagValue, "\"")

			lines = append(lines, line)
			kernelFeatures[flagKey] = flagValue
		}
	}

	if err = scanner.Err(); err != nil {
		//if err == bufio.ErrTooLong {
		//	log.Println("line length error:", err)
		//} else {
		//	log.Println("other scanner error:", err)
		//}
		return kernelFeatures, err
	}

	return kernelFeatures, nil
}