lwIP | rtemslwip/network_compat: Add gethostname/gethostid (!28)

Gedare Bloom (@gedare) gitlab at rtems.org
Wed Sep 10 18:41:38 UTC 2025




Gedare Bloom commented on a discussion on rtemslwip/common/network_compat.c: https://gitlab.rtems.org/rtems/pkg/rtems-lwip/-/merge_requests/28#note_130675

 > +    if (name == NULL) {
 > +        errno = EFAULT;
 > +        return -1;
 > +    }
 > +    if (size == 0) {
 > +        errno = ENAMETOOLONG;
 > +        return -1;
 > +    }
 > +    if (copy_size > size) {
 > +        /* Ensure space for the null */
 > +        copy_size = size - 1;
 > +    }
 > +
 > +    memcpy(name, hostname, copy_size);
 > +    /* Enforce null termination of output */
 > +    name[copy_size] = '\0';

"it is unspecified whether the returned name is null-terminated"
So it is allowed to be either way.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/pkg/rtems-lwip/-/merge_requests/28#note_130675
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