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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