Re: [LTP] [PATCH v2] safe_macros: add SAFE_STRTOL

[Wanlong Gao <gaowanlong@cn.fujitsu.com>]

On 02/09/2012 05:46 PM, Caspar Zhang wrote:

> +
> +long safe_strtol(const char *file, const int lineno,
> +	    void (cleanup_fn)(void), char *str, long min, long max)
> +{
> +	int rval;


Ah, long rval?

> +	char *endptr;
> +
> +	rval = strtol(str, &endptr, 10);
> +	if ((errno == ERANGE && (rval == LONG_MAX || rval == LONG_MIN))
> +		    || (errno != 0 && rval == 0))
> +		tst_brkm(TBROK|TERRNO, cleanup_fn, "strtol failed at %s:%d",
> +			 file, lineno);
> +	if (rval >= max || rval <= min)


I'm not sure with this check. ;)

Thanks
-Wanlong Gao

> +		tst_brkm(TBROK, cleanup_fn,
> +			 "converted value out of range: %ld - %ld",
> +			 min, max);
> +	if (endptr == str || (*endptr != '\0' && *endptr != '\n'))
> +		tst_brkm(TBROK, cleanup_fn, "Invalid value: %s", str);
> +
> +	return rval;
> +}



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