getgrouplist(3) vs. getgroups(3)

[Roland Illig]

Jakub Jelinek wrote:
> But, IMHO far better would be to:
> static gid_t *groups;
> if (!groups) {
>   uid = getuid ();
>   n = getgroups (0, NULL);
>   if (n < 0) error_handling;
>   groups = malloc (n * sizeof (gid_t));
>   if (groups == NULL) error_handling;
>   n = getgroups (n, groups);
>   if (n < 0) error_handling;
> }

I updated the patch.

Roland
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