[FFmpeg-devel] [PATCH] Make parse_date return INT64_MIN in case of unparsable input

Stefano Sabatini stefano.sabatini-lala
Wed Sep 19 13:22:31 CEST 2007


On date Wednesday 2007-09-19 12:28:08 +0200, Michael Niedermayer encoded:
> Hi
> 
> On Wed, Sep 19, 2007 at 11:27:39AM +0200, Stefano Sabatini wrote:
[...]
> > Index: libavformat/utils.c
> > ===================================================================
> > --- libavformat/utils.c	(revision 10526)
> > +++ libavformat/utils.c	(working copy)
> > @@ -2621,17 +2621,19 @@
> >          if (!q) {
> >              /* parse datestr as S+ */
> >              dt.tm_sec = strtol(p, (char **)&q, 10);
> > +            if (q == p) {
> > +                /* set q to NULL to signal that the parsing didn't succeed */
> > +                q = NULL;
> > +            } else {
> >              dt.tm_min = 0;
> >              dt.tm_hour = 0;
> > +            }
> >          }
> >      }
> 
> instead of the if/else blah a simple
> if(q == p)
>     return INT64_MIN;
> 
> seems to be simpler

Fixed.
  
> [...]
> > +static void parse_time_or_die(int64_t *us, const char *timestr, int is_duration)
> > +{
> > +    *us = parse_date(timestr, is_duration);
> > +    if (*us == INT64_MIN) {
> > +        fprintf(stderr, "Invalid %s specification: %s\n",
> > +                is_duration ? "duration" : "date", timestr);
> > +        exit(1);
> > +    }
> > +}
> 
> return us; would be cleaner IMHO

Fixed.
 
> and iam fine with the patch except these
[...]

Thanks all for your reviews, hopefully this will be the last one.

Regards. 
-- 
Stefano Sabatini
Linux user number 337176 (see http://counter.li.org)
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