| radcli_avp_iter_next(3) | Radius client library | radcli_avp_iter_next(3) |
NAME
radcli_avp_iter_next - Return the current attribute and advance.
SYNOPSIS
#include <radcli/>
const radcli_avp * radcli_avp_iter_next(
radcli_avp_iter *it
);
DESCRIPTION
PARAMETERS
- it
- an iterator from radcli_avp_list_iter().
STRUCTURES
Iterator over a radcli_avp_list.
A plain value: construct with radcli_avp_list_iter(), advance with radcli_avp_iter_next(). No allocation, safe to copy, safe to run several independent iterators over the same list concurrently (as long as nothing mutates the list while any of them are in use see radcli_avp_list_st's locking note in lib/avp.c). Fields are an implementation detail; do not access them directly. Deliberately not opaque via an incomplete type: a two-pointer cursor belongs on the caller's stack at zero cost, the way any ccan/list or kernel list cursor does, not behind a heap allocation.
Usage: radcli_avp_iterit=radcli_avp_list_iter(list);
constradcli_avp*a;
while((a=radcli_avp_iter_next(&it))!=NULL){
}
struct radcli_avp_iter {
const radcli_avp_list *list;
const radcli_avp *cur;
};
RETURN VALUE
the current attribute, or NULL once the list is exhausted every subsequent call on the same it also returns NULL; it does not restart.
SEE ALSO
radcli_avp_add_bytes(3), radcli_avp_add_bytes_by_num(3), radcli_avp_add_gigawords64(3), radcli_avp_add_gigawords64_by_num(3), radcli_avp_add_ip4(3), radcli_avp_add_ip4_by_num(3), radcli_avp_add_ip4prefix(3), radcli_avp_add_ip4prefix_by_num(3), radcli_avp_add_ip6(3), radcli_avp_add_ip6_by_num(3), radcli_avp_add_str(3), radcli_avp_add_str_by_num(3), radcli_avp_add_uint32(3), radcli_avp_add_uint32_by_num(3), radcli_avp_add_uint64(3), radcli_avp_add_uint64_by_num(3), radcli_avp_add_username(3), radcli_avp_concat_str(3), radcli_avp_concat_str_by_num(3), radcli_avp_def(3), radcli_avp_get(3), radcli_avp_get_by_num(3), radcli_avp_get_bytes(3), radcli_avp_get_bytes_by_num(3), radcli_avp_get_cstr(3), radcli_avp_get_cstr_by_num(3), radcli_avp_get_gigawords64(3), radcli_avp_get_gigawords64_by_num(3), radcli_avp_get_ip4prefix(3), radcli_avp_get_ip4prefix_by_num(3), radcli_avp_get_ip6(3), radcli_avp_get_ip6_by_num(3), radcli_avp_get_uint32(3), radcli_avp_get_uint32_by_num(3), radcli_avp_get_uint64(3), radcli_avp_get_uint64_by_num(3), radcli_avp_list_error(3), radcli_avp_list_free(3), radcli_avp_list_iter(3), radcli_avp_list_new(3)
| 2026-09-03 | radcli |