Re: [PATCHv6 1/4] Read (but not write) from $XDG_CONFIG_HOME/git/config file

>> +char *mkpathdup(const char *fmt, ...)
>> +{
>> +	char path[PATH_MAX];
>> +	va_list args;
>> +	unsigned len;
>> +
>> +	va_start(args, fmt);
>> +	len = vsnprintf(path, sizeof(path), fmt, args);
>> +	va_end(args);
>> +	if (len >= sizeof(path))
>> +		return xstrdup(bad_path);
>> +	return xstrdup(cleanup_path(path));
>> +}
>
> Hrmph. If a new helper is introduced anyway, wouldn't it be a better
> idea to get rid of the hardcoded PATH_MAX limitation, perhaps using
> strbuf_vaddf() or something in the implementation of this function?