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Cleaning up some code to make it more robust.

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This commit is contained in:
skarg
2010-09-16 14:49:33 +00:00
parent 7e7b83a6be
commit c8f4aac1b7
2 changed files with 15 additions and 11 deletions
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bacnet-stack/demo/handler/h_rpm.c
+13 -9
View File
@@ -190,8 +190,8 @@ void handler_read_property_multiple(
BACNET_CONFIRMED_SERVICE_DATA * service_data)
{
int len = 0;
int copy_len = 0;
int decode_len = 0;
uint16_t copy_len = 0;
uint16_t decode_len = 0;
int pdu_len = 0;
BACNET_NPDU_DATA npdu_data;
int bytes_sent;
@@ -227,9 +227,11 @@ void handler_read_property_multiple(
len =
rpm_decode_object_id(&service_request[decode_len],
service_len - decode_len, &rpmdata);
if (len >= 0) { /* Got one so skip to next stage */
if (len >= 0) {
/* Got one so skip to next stage */
decode_len += len;
} else { /* bad encoding - skip to error/reject/abort handling */
} else {
/* bad encoding - skip to error/reject/abort handling */
#if PRINT_ENABLED
fprintf(stderr, "RPM: Bad Encoding.\n");
#endif
@@ -242,7 +244,7 @@ void handler_read_property_multiple(
copy_len =
memcopy(&Handler_Transmit_Buffer[npdu_len], &Temp_Buf[0], apdu_len,
len, sizeof(Handler_Transmit_Buffer));
if (!copy_len) {
if (copy_len == 0) {
#if PRINT_ENABLED
fprintf(stderr, "RPM: Response too big!\r\n");
#endif
@@ -258,7 +260,8 @@ void handler_read_property_multiple(
len =
rpm_decode_object_property(&service_request[decode_len],
service_len - decode_len, &rpmdata);
if (len < 0) { /* bad encoding - skip to error/reject/abort handling */
if (len < 0) {
/* bad encoding - skip to error/reject/abort handling */
#if PRINT_ENABLED
fprintf(stderr, "RPM: Bad Encoding.\n");
#endif
@@ -357,7 +360,6 @@ void handler_read_property_multiple(
goto RPM_FAILURE;
}
}
if (decode_is_closing_tag_number(&service_request[decode_len], 1)) {
/* Reached end of property list so cap the result list */
decode_len++;
@@ -365,7 +367,7 @@ void handler_read_property_multiple(
copy_len =
memcopy(&Handler_Transmit_Buffer[npdu_len], &Temp_Buf[0],
apdu_len, len, sizeof(Handler_Transmit_Buffer));
if (!copy_len) {
if (copy_len == 0) {
rpmdata.error_code =
ERROR_CODE_ABORT_SEGMENTATION_NOT_SUPPORTED;
error = BACNET_STATUS_ABORT;
@@ -376,8 +378,10 @@ void handler_read_property_multiple(
break; /* finished with this property list */
}
}
if (service_len == decode_len) /* Reached the end so finish up */
if (decode_len >= service_len) {
/* Reached the end so finish up */
break;
}
}
if (apdu_len > service_data->max_resp) {
bacnet-stack/src/rpm.c
+2 -2
View File
@@ -282,9 +282,9 @@ int rpm_decode_object_property(
}
len += decode_enumerated(&apdu[len], len_value_type, &property);
rpmdata->object_property = (BACNET_PROPERTY_ID) property;
/* Assume most probable outcome */
rpmdata->array_index = BACNET_ARRAY_ALL;
/* Tag 1: Optional propertyArrayIndex */
rpmdata->array_index = BACNET_ARRAY_ALL; /* Assume most probable outcome */
if (IS_CONTEXT_SPECIFIC(apdu[len]) && !IS_CLOSING_TAG(apdu[len])) {
option_len =
(unsigned) decode_tag_number_and_value(&apdu[len], &tag_number,