func ParseSelectCheckRange()

in SAW/proof/common/utility.go [29:42]

• 14 lines of code
• 4 McCabe index (conditional complexity)

func ParseSelectCheckRange(env_var_name string, default_val int) int {
	env_var_val := os.Getenv(env_var_name)
	if len(env_var_val) == 0 {
		return default_val
	}
	ret, err := strconv.Atoi(env_var_val)
	if err != nil {
		log.Fatal("Failed to convert the value(%s) of env var |%s| to integer.", env_var_val, env_var_name, err)
	}
	if ret < 0 {
		log.Fatal("The value(%s) of env var |%s| cannot be negative", env_var_val, env_var_name)
	}
	return ret
}