netdev - Re: [PATCH iproute2-next] nstat: print useful error messages in abort() cases

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Date:   Sun, 9 Feb 2020 22:27:40 -0700
From:   David Ahern <dsahern@...il.com>
To:     Andrea Claudi <aclaudi@...hat.com>, netdev@...r.kernel.org
Cc:     stephen@...workplumber.org
Subject: Re: [PATCH iproute2-next] nstat: print useful error messages in
 abort() cases

On 2/6/20 11:08 AM, Andrea Claudi wrote:
> @@ -221,8 +231,11 @@ static void load_ugly_table(FILE *fp)
>  		}
>  		n = db;
>  		nread = getline(&buf, &buflen, fp);
> -		if (nread == -1)
> -			abort();
> +		if (nread == -1) {
> +			fprintf(stderr, "%s:%d: error parsing history file\n",
> +				__FILE__, __LINE__);
> +			exit(-2);
> +		}
>  		count2 = count_spaces(buf);
>  		if (count2 > count1)
>  			skip = count2 - count1;
> 

I see 2 more aborts after this one; seems like you should cover those as
well.

Also, given that it is a straightforward replace of abort with error
message + exit, this should probably go to master.