I have added _POSIX_C_SOURCE 200809L  to one file already - patch on the
list, will that version also cover this ?

On 12 January 2015 at 07:22, Ola Liljedahl <[email protected]> wrote:

> On 12 January 2015 at 11:50, Ciprian Barbu <[email protected]>
> wrote:
> > Signed-off-by: Ciprian Barbu <[email protected]>
> > ---
> > Fix for https://bugs.linaro.org/show_bug.cgi?id=1049
> >
> >  example/packet/odp_pktio.c | 29 +++++++++++++++--------------
> >  1 file changed, 15 insertions(+), 14 deletions(-)
> >
> > diff --git a/example/packet/odp_pktio.c b/example/packet/odp_pktio.c
> > index b162fac..0d5918a 100644
> > --- a/example/packet/odp_pktio.c
> > +++ b/example/packet/odp_pktio.c
> > @@ -69,6 +69,7 @@ typedef struct {
> >         int if_count;           /**< Number of interfaces to be used */
> >         char **if_names;        /**< Array of pointers to interface
> names */
> >         int mode;               /**< Packet IO mode */
> > +       char *if_str;           /**< Storage for interface names */
> >  } appl_args_t;
> >
> >  /**
> > @@ -376,6 +377,8 @@ int main(int argc, char *argv[])
> >         /* Master thread waits for other threads to exit */
> >         odph_linux_pthread_join(thread_tbl, num_workers);
> >
> > +       free(args->appl.if_names);
> > +       free(args->appl.if_str);
> >         free(args);
> >         printf("Exit\n\n");
> >
> > @@ -462,7 +465,7 @@ static void parse_args(int argc, char *argv[],
> appl_args_t *appl_args)
> >  {
> >         int opt;
> >         int long_index;
> > -       char *names, *str, *token, *save;
> > +       char *token;
> >         size_t len;
> >         int i;
> >         static struct option longopts[] = {
> > @@ -495,19 +498,19 @@ static void parse_args(int argc, char *argv[],
> appl_args_t *appl_args)
> >                         }
> >                         len += 1;       /* add room for '\0' */
> >
> > -                       names = malloc(len);
> > -                       if (names == NULL) {
> > +                       appl_args->if_str = malloc(len);
> > +                       if (appl_args->if_str == NULL) {
> >                                 usage(argv[0]);
> >                                 exit(EXIT_FAILURE);
> >                         }
> >
> >                         /* count the number of tokens separated by ',' */
> > -                       strcpy(names, optarg);
> > -                       for (str = names, i = 0;; str = NULL, i++) {
> > -                               token = strtok_r(str, ",", &save);
> > -                               if (token == NULL)
> > -                                       break;
> > -                       }
> > +                       strcpy(appl_args->if_str, optarg);
> > +                       for (token = strtok(appl_args->if_str, ","), i =
> 0;
> strtok() is not thread-safe and thus doesn't seem like a great idea to
> use it in a multithreaded application based on ODP. I don't know about
> this exact usage here, perhaps this argument parsing is always only
> going to happen in a single thread?
>
> But why not just define _POSIX_C_SOURCE to get access to strtok_r()?
> This is how we do it in other places in ODP with the same problem.
> E.g. the timer cunit test uses rand_r and not rand() (which likewise
> is not thread-safe).
>
>
> > +                            token != NULL;
> > +                            token = strtok(NULL, ","), i++)
> > +                               ;
> > +
> >                         appl_args->if_count = i;
> >
> >                         if (appl_args->if_count == 0) {
> > @@ -520,11 +523,9 @@ static void parse_args(int argc, char *argv[],
> appl_args_t *appl_args)
> >                             calloc(appl_args->if_count, sizeof(char *));
> >
> >                         /* store the if names (reset names string) */
> > -                       strcpy(names, optarg);
> > -                       for (str = names, i = 0;; str = NULL, i++) {
> > -                               token = strtok_r(str, ",", &save);
> > -                               if (token == NULL)
> > -                                       break;
> > +                       strcpy(appl_args->if_str, optarg);
> > +                       for (token = strtok(appl_args->if_str, ","), i =
> 0;
> > +                            token != NULL; token = strtok(NULL, ","),
> i++) {
> >                                 appl_args->if_names[i] = token;
> >                         }
> >                         break;
> > --
> > 1.8.3.2
> >
> >
> > _______________________________________________
> > lng-odp mailing list
> > [email protected]
> > http://lists.linaro.org/mailman/listinfo/lng-odp
>
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>



-- 
*Mike Holmes*
Linaro  Sr Technical Manager
LNG - ODP
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