Upstream-Status: Inappropriate [not used] --- dbus_dict_helpers.c.array-fix 2006-12-18 12:31:11.000000000 -0500 +++ dbus_dict_helpers.c 2006-12-20 03:17:08.000000000 -0500 @@ -629,36 +629,55 @@ dbus_bool_t wpa_dbus_dict_open_read(DBus } +#define BYTE_ARRAY_CHUNK_SIZE 34 +#define BYTE_ARRAY_ITEM_SIZE (sizeof (char)) + static dbus_bool_t _wpa_dbus_dict_entry_get_byte_array( - DBusMessageIter *iter, int array_len, int array_type, + DBusMessageIter *iter, int array_type, struct wpa_dbus_dict_entry *entry) { - dbus_uint32_t i = 0; + dbus_uint32_t count = 0; dbus_bool_t success = FALSE; - char byte; + char * buffer; - /* Zero-length arrays are valid. */ - if (array_len == 0) { - entry->bytearray_value = NULL; - entry->array_type = DBUS_TYPE_BYTE; - success = TRUE; - goto done; - } + entry->bytearray_value = NULL; + entry->array_type = DBUS_TYPE_BYTE; - entry->bytearray_value = wpa_zalloc(array_len * sizeof(char)); - if (!entry->bytearray_value) { + buffer = wpa_zalloc(BYTE_ARRAY_ITEM_SIZE * BYTE_ARRAY_CHUNK_SIZE); + if (!buffer) { perror("_wpa_dbus_dict_entry_get_byte_array[dbus]: out of " "memory"); goto done; } - entry->array_type = DBUS_TYPE_BYTE; - entry->array_len = array_len; + entry->bytearray_value = buffer; + entry->array_len = 0; while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_BYTE) { + char byte; + + if ((count % BYTE_ARRAY_CHUNK_SIZE) == 0 && count != 0) { + buffer = realloc(buffer, BYTE_ARRAY_ITEM_SIZE * (count + BYTE_ARRAY_CHUNK_SIZE)); + if (buffer == NULL) { + perror("_wpa_dbus_dict_entry_get_byte_array[" + "dbus] out of memory trying to " + "retrieve the string array"); + goto done; + } + } + entry->bytearray_value = buffer; + dbus_message_iter_get_basic(iter, &byte); - entry->bytearray_value[i++] = byte; + entry->bytearray_value[count] = byte; + entry->array_len = ++count; dbus_message_iter_next(iter); } + + /* Zero-length arrays are valid. */ + if (entry->array_len == 0) { + free(entry->bytearray_value); + entry->strarray_value = NULL; + } + success = TRUE; done: @@ -666,8 +685,11 @@ done: } +#define STR_ARRAY_CHUNK_SIZE 8 +#define STR_ARRAY_ITEM_SIZE (sizeof (char *)) + static dbus_bool_t _wpa_dbus_dict_entry_get_string_array( - DBusMessageIter *iter, int array_len, int array_type, + DBusMessageIter *iter, int array_type, struct wpa_dbus_dict_entry *entry) { dbus_uint32_t count = 0; @@ -677,13 +699,7 @@ static dbus_bool_t _wpa_dbus_dict_entry_ entry->strarray_value = NULL; entry->array_type = DBUS_TYPE_STRING; - /* Zero-length arrays are valid. */ - if (array_len == 0) { - success = TRUE; - goto done; - } - - buffer = wpa_zalloc(sizeof (char *) * 8); + buffer = wpa_zalloc(STR_ARRAY_ITEM_SIZE * STR_ARRAY_CHUNK_SIZE); if (buffer == NULL) { perror("_wpa_dbus_dict_entry_get_string_array[dbus] out of " "memory trying to retrieve a string array"); @@ -696,18 +712,14 @@ static dbus_bool_t _wpa_dbus_dict_entry_ const char *value; char *str; - if ((count % 8) == 0 && count != 0) { - char **tmp; - tmp = realloc(buffer, sizeof(char *) * (count + 8)); - if (tmp == NULL) { + if ((count % STR_ARRAY_CHUNK_SIZE) == 0 && count != 0) { + buffer = realloc(buffer, STR_ARRAY_ITEM_SIZE * (count + STR_ARRAY_CHUNK_SIZE)); + if (buffer == NULL) { perror("_wpa_dbus_dict_entry_get_string_array[" "dbus] out of memory trying to " "retrieve the string array"); - free(buffer); - buffer = NULL; goto done; } - buffer = tmp; } entry->strarray_value = buffer; @@ -723,6 +735,13 @@ static dbus_bool_t _wpa_dbus_dict_entry_ entry->array_len = ++count; dbus_message_iter_next(iter); } + + /* Zero-length arrays are valid. */ + if (entry->array_len == 0) { + free(entry->strarray_value); + entry->strarray_value = NULL; + } + success = TRUE; done: @@ -734,7 +753,6 @@ static dbus_bool_t _wpa_dbus_dict_entry_ DBusMessageIter *iter_dict_val, struct wpa_dbus_dict_entry *entry) { int array_type = dbus_message_iter_get_element_type(iter_dict_val); - int array_len; dbus_bool_t success = FALSE; DBusMessageIter iter_array; @@ -743,20 +761,14 @@ static dbus_bool_t _wpa_dbus_dict_entry_ dbus_message_iter_recurse(iter_dict_val, &iter_array); - array_len = dbus_message_iter_get_array_len(&iter_array); - if (array_len < 0) - return FALSE; - switch (array_type) { case DBUS_TYPE_BYTE: success = _wpa_dbus_dict_entry_get_byte_array(&iter_array, - array_len, array_type, entry); break; case DBUS_TYPE_STRING: success = _wpa_dbus_dict_entry_get_string_array(&iter_array, - array_len, array_type, entry); break; @@ -943,9 +955,17 @@ void wpa_dbus_dict_entry_clear(struct wp break; case DBUS_TYPE_ARRAY: switch (entry->array_type) { - case DBUS_TYPE_BYTE: - free(entry->bytearray_value); - break; + case DBUS_TYPE_BYTE: { + free(entry->bytearray_value); + break; + } + case DBUS_TYPE_STRING: { + int i; + for (i = 0; i < entry->array_len; i++) + free (entry->strarray_value[i]); + free (entry->strarray_value); + break; + } } break; }