static isc_result_t
value_fromwire(isccc_region_t *source, isccc_sexpr_t **valuep)
{
unsigned int msgtype;
isc_uint32_t len;
isccc_sexpr_t *value;
isccc_region_t active;
isc_result_t result;
if (REGION_SIZE(*source) < 1 + 4)
return (ISC_R_UNEXPECTEDEND);
GET8(msgtype, source->rstart);
GET32(len, source->rstart);
if (REGION_SIZE(*source) < len)
return (ISC_R_UNEXPECTEDEND);
active.rstart = source->rstart;
active.rend = active.rstart + len;
source->rstart = active.rend;
if (msgtype == ISCCC_CCMSGTYPE_BINARYDATA) {
value = isccc_sexpr_frombinary(&active);
if (value != NULL) {
*valuep = value;
result = ISC_R_SUCCESS;
} else
result = ISC_R_NOMEMORY;
} else if (msgtype == ISCCC_CCMSGTYPE_TABLE)
result = table_fromwire(&active, NULL, valuep);
else if (msgtype == ISCCC_CCMSGTYPE_LIST)
result = list_fromwire(&active, valuep);
else
result = ISCCC_R_SYNTAX;
return (result);
}
isccc_sexpr_t *
isccc_alist_definebinary(isccc_sexpr_t *alist, const char *key, isccc_region_t *r)
{
isccc_sexpr_t *v, *kv;
v = isccc_sexpr_frombinary(r);
if (v == NULL)
return (NULL);
kv = isccc_alist_define(alist, key, v);
if (kv == NULL)
isccc_sexpr_free(&v);
return (kv);
}
