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); }