Re: [Boost-users] [Regex] Simpler load_file code to use in snippetexamples?

From: Lynn Allan (l_d_allan_at_[hidden])
Date: 2006-04-07 11:42:51

> Lynn Allan wrote:
>> #void load_file(std::string& s, std::istream& is)
>> #{
>> #   if(is.bad()) return;
>> #   // Use 0 as CrLf delimiter to cause entire file to be read
>> #   getline(is, s, '\0');
>> #}

> Well, there's an immediate problem if the file contains any NULL bytes,
> which most non-text files do - the code will instantly stop on them.
> There may be a faster way using a getline() loop, based on the fact that
> many bytes are not \0, but I'm not sure that you'd actually lose much
> overhead, given that the stream is likely to be buffered?

Granted, the proposed code only works with non-binary data that doesn't have 
embedded NULL bytes. That seems a reasonable assumption for the snippets 
provided, as well as most situations where boost::regex would be used.

And o/s buffering/caching may make it a moot point.