Exemple #1
0
static int dict_array_unpack(DBusMessageIter *iter,
			     uint32_t *num_dicts_out,
			     struct dict **dicts_out)
{
	int ret;
	DBusMessageIter array_iter;
	uint32_t num_dicts;
	struct dict *dicts = NULL;

	if (cdbus_type_check(iter, DBUS_TYPE_ARRAY) < 0) {
		return -EINVAL;
	}
	dbus_message_iter_recurse(iter, &array_iter);

	num_dicts = 0;
	while (dbus_message_iter_get_arg_type(&array_iter)
							!= DBUS_TYPE_INVALID) {
		num_dicts++;
		dicts = realloc(dicts, sizeof(struct dict) * num_dicts);
		if (dicts == NULL)
			abort();

		ret = dict_unpack(&array_iter, &dicts[num_dicts - 1]);
		if (ret < 0) {
			free(dicts);
			return ret;
		}
		dbus_message_iter_next(&array_iter);
	}

	*num_dicts_out = num_dicts;
	*dicts_out = dicts;

	return 0;
}
Exemple #2
0
/*
 * Enter a key-value pair in a dictionary.
 * See idict.h for the possible return values.
 */
int
dict_put(ref * pdref /* t_dictionary */ , const ref * pkey, const ref * pvalue,
         dict_stack_t *pds)
{
    dict *pdict = pdref->value.pdict;
    gs_ref_memory_t *mem = dict_memory(pdict);
    gs_memory_t *pmem = dict_mem(pdict);
    int rcode = 0;
    int code;
    ref *pvslot, kname;

    /* Check the value. */
    store_check_dest(pdref, pvalue);
  top:if ((code = dict_find(pdref, pkey, &pvslot)) <= 0) {	/* not found *//* Check for overflow */
        uint index;

        switch (code) {
            case 0:
                break;
            case gs_error_dictfull:
                if (!pmem->gs_lib_ctx->dict_auto_expand)
                    return_error(gs_error_dictfull);
                code = dict_grow(pdref, pds);
                if (code < 0)
                    return code;
                goto top;	/* keep things simple */
            default:		/* gs_error_typecheck */
                return code;
        }
        index = pvslot - pdict->values.value.refs;
        /* If the key is a string, convert it to a name. */
        if (r_has_type(pkey, t_string)) {
            int code;

            if (!r_has_attr(pkey, a_read))
                return_error(gs_error_invalidaccess);
            code = name_from_string(pmem, pkey, &kname);
            if (code < 0)
                return code;
            pkey = &kname;
        }
        if (dict_is_packed(pdict)) {
            ref_packed *kp;

            if (!r_has_type(pkey, t_name) ||
                name_index(pmem, pkey) > packed_name_max_index
                ) {		/* Change to unpacked representation. */
                int code = dict_unpack(pdref, pds);

                if (code < 0)
                    return code;
                goto top;
            }
            kp = pdict->keys.value.writable_packed + index;
            if (ref_must_save_in(mem, &pdict->keys)) {	/* See initial comment for why it is safe */
                /* not to save the change if the keys */
                /* array itself is new. */
                ref_do_save_in(mem, &pdict->keys, kp, "dict_put(key)");
            }
            *kp = pt_tag(pt_literal_name) + name_index(pmem, pkey);
        } else {
            ref *kp = pdict->keys.value.refs + index;

            if_debug2m('d', (const gs_memory_t *)mem, "[d]0x%lx: fill key at 0x%lx\n",
                       (ulong) pdict, (ulong) kp);
            store_check_dest(pdref, pkey);
            ref_assign_old_in(mem, &pdict->keys, kp, pkey,
                              "dict_put(key)");	/* set key of pair */
        }
        ref_save_in(mem, pdref, &pdict->count, "dict_put(count)");
        pdict->count.value.intval++;
        /* If the key is a name, update its 1-element cache. */
        if (r_has_type(pkey, t_name)) {
            name *pname = pkey->value.pname;

            if (pname->pvalue == pv_no_defn &&
                CAN_SET_PVALUE_CACHE(pds, pdref, mem)
                ) {		/* Set the cache. */
                if_debug0m('d', (const gs_memory_t *)mem, "[d]set cache\n");
                pname->pvalue = pvslot;
            } else {		/* The cache can't be used. */
                if_debug0m('d', (const gs_memory_t *)mem, "[d]no cache\n");
                pname->pvalue = pv_other;
            }
        }
        rcode = 1;
    }
    if_debug8m('d', (const gs_memory_t *)mem,
               "[d]0x%lx: put key 0x%lx 0x%lx\n  value at 0x%lx: old 0x%lx 0x%lx, new 0x%lx 0x%lx\n",
               (ulong) pdref->value.pdict,
               ((const ulong *)pkey)[0], ((const ulong *)pkey)[1],
               (ulong) pvslot,
               ((const ulong *)pvslot)[0], ((const ulong *)pvslot)[1],
               ((const ulong *)pvalue)[0], ((const ulong *)pvalue)[1]);
    ref_assign_old_in(mem, &pdref->value.pdict->values, pvslot, pvalue,
                      "dict_put(value)");
    return rcode;
}