Re: Programming question

On Thu, Aug 02, 2001 at 01:01:43PM -0400, George Schlossnagle wrote: > > > On Thu, Aug 02, 2001 at 12:24:03PM -0400, George Schlossnagle > > wrote: > > > On a related note, placing null-bytes in the middle of strings > > > (for example > > > in the names of the so-called lambda_functions generated from > > > create_function()) seems like a pretty questionable practice. > > > > why, this makes sure that function-names generated by > > create_function() will never clash with userland code. > > i think that makes perfect sense. > > It seem sto me that there are ways of accomplishing this that allow for this > without breaking compatibility of that string with standard string > functions, for exampla an ANSI-like standard prohibiting userland functions > begnning with __ or using a non-null, low ascii character (say 0x07). agreed, but php has been binary-safe for a looong time. and \0 is the most obvious thing to embed and show anybody (who reads the c-code) that this is only to-be used internally. tc