Re: [PATCH] submodule--helper: normalize funny urls

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Junio C Hamano <gitster@xxxxxxxxx> writes:

> Stefan Beller <sbeller@xxxxxxxxxx> writes:
>
>> +static void strip_url_ending(char *url, size_t *_len)
>> +{
>> +	int check_url_stripping = 1;
>> +	size_t len = _len ? *_len : strlen(url);
>> +
>> +	while (check_url_stripping) {
>> +		check_url_stripping = 0;
>> +		if (is_dir_sep(url[len-2]) && url[len-1] == '.') {
>
> This is "strip /. at the end" it seems.
>
> Does anything in the loop control guarantees 2 <= len at this point?
>
>> +			url[len-2] = '\0';
>> +			len -= 2;
>> +			check_url_stripping = 1;
>> +		}
>> +
>> +		if (is_dir_sep(url[len-1])) {
>
> This is "strip / at the end" it seems.
>
> Does anything in the loop control guarantees 1 <= len at this point?
>
>> +			url[len-1] = '\0';
>> +			len--;
>> +			check_url_stripping = 1;
>> +		}
>> +	}

I also somehow find the "check-url-stripping" variable ugly.

	while (URL still has something that could be stripped) {
		if (ends with "/.") {
			strip "/.";
			continue;
		}
		if (ends with "/") {
			strip "/";
			continue;
		}
		break;
	}

perhaps?



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