Function sysctl_warn_reuse

freebsd/kern/kern_sysctl.c:380–405

}

static void
sysctl_warn_reuse(const char *func, struct sysctl_oid *leaf)
{
	struct sysctl_oid *nodes[CTL_MAXNAME];
	char buf[128];
	struct sbuf sb;
	int rc, i;

	(void)sbuf_new(&sb, buf, sizeof(buf), SBUF_FIXEDLEN | SBUF_INCLUDENUL);
	sbuf_set_drain(&sb, sbuf_printf_drain, NULL);

	sbuf_printf(&sb, "%s: can't re-use a leaf (", __func__);

	memset(nodes, 0, sizeof(nodes));
	rc = sysctl_search_oid(nodes, leaf);
	if (rc > 0) {
		for (i = 0; i < rc; i++)
			sbuf_printf(&sb, "%s%.*s", nodes[i]->oid_name,
			    i != (rc - 1), ".");
	} else {
		sbuf_printf(&sb, "%s", leaf->oid_name);
	}
	sbuf_printf(&sb, ")!\n");

	(void)sbuf_finish(&sb);
}

#ifdef SYSCTL_DEBUG
static int