Re:Re: memory lead while using Glib regexp

["Xi Yang" <jiandingzhe 163 com>]

That is the problem. I free once but sometimes the regex is runned twice.
Thanks for a lot!





At 2012-03-07 02:46:21,"Nicola Fontana" <ntd entidi it> wrote:
> Il giorno Fri, 2 Mar 2012 11:00:46 +0800 (CST)
> "Xi Yang" <jiandingzhe 163 com> ha scritto:
>
> > Hi, everyone!
> >
> >
> > I use Glib's regular expression in a cycle, and find a rapid memory consumption increase. Did I forget to 
> > release anything?
> >
> >
> > Thanks a lot!
>
> A working example would be better. Anyway, citing the g_regex_match()
> doc:
>
> "Note that if match_info is not NULL then it is created even if the
> function returns FALSE, i.e. you must free it regardless if regular
> expression actually matched."
>
> > ...
> >         // match and fetch something
> >         if ( g_regex_match(regex_illumina, seq.header.c_str(), GRegexMatchFlags(0), &what) ) {
> >             tile_str = g_match_info_fetch(what,3);
> >         }
> >         else if ( g_regex_match(regex_casava_1p8, seq.header.c_str(), GRegexMatchFlags(0), &what) ) {
> >             tile_str = g_match_info_fetch(what,5);
> >         }
> > ...
>
> If your first g_regex_match() fails you have a sharp leak.
>
> Ciao.
> -- 
> Nicola