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lib: expose comparision function to allow a typesafe conversion

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The interface hash comparison function is needed in eigrpd.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2025-03-23 21:17:53 -04:00
parent d736350986
commit 5f9e26069e
2 changed files with 3 additions and 3 deletions
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4
lib/if.c
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@ -44,7 +44,6 @@ static void if_set_name(struct interface *ifp, const char *name);
static struct interface *if_lookup_by_ifindex(ifindex_t ifindex, static struct interface *if_lookup_by_ifindex(ifindex_t ifindex,
vrf_id_t vrf_id); vrf_id_t vrf_id);
static struct interface *if_lookup_by_index_all_vrf(ifindex_t ifindex); static struct interface *if_lookup_by_index_all_vrf(ifindex_t ifindex);
static int if_cmp_func(const struct interface *, const struct interface *);
static int if_cmp_index_func(const struct interface *ifp1, static int if_cmp_index_func(const struct interface *ifp1,
const struct interface *ifp2); const struct interface *ifp2);
RB_GENERATE(if_name_head, interface, name_entry, if_cmp_func); RB_GENERATE(if_name_head, interface, name_entry, if_cmp_func);
@ -136,8 +135,7 @@ int if_cmp_name_func(const char *p1, const char *p2)
return 0; return 0;
} }
static int if_cmp_func(const struct interface *ifp1, int if_cmp_func(const struct interface *ifp1, const struct interface *ifp2)
const struct interface *ifp2)
{ {
return if_cmp_name_func(ifp1->name, ifp2->name); return if_cmp_name_func(ifp1->name, ifp2->name);
} }

2
lib/if.h
View file

@ -309,6 +309,8 @@ struct interface {
QOBJ_FIELDS; QOBJ_FIELDS;
}; };
extern int if_cmp_func(const struct interface *a, const struct interface *b);
RB_HEAD(if_name_head, interface); RB_HEAD(if_name_head, interface);
RB_PROTOTYPE(if_name_head, interface, name_entry, if_cmp_func) RB_PROTOTYPE(if_name_head, interface, name_entry, if_cmp_func)
RB_HEAD(if_index_head, interface); RB_HEAD(if_index_head, interface);