- code cleanup; fixed issues from compiler warnings

Makefile

@@ -134,6 +134,7 @@ CFLAGS += -Wnested-externs
 CFLAGS += -Wmissing-declarations 
 CFLAGS += -Wshadow
 CFLAGS += -Wall
+CGLAGS += -Wextra
 #CFLAGS += -Werror  
 
 all:	lib

examples/iec61850_client_example_files/file-tool.c

@@ -43,7 +43,7 @@ dirname(char* path)
         _dirname[lastSep - path] = 0;
     }
     else
-                strcpy("", path);
+        strcpy(_dirname, "");
 
     return _dirname;
 }

src/iec61850/client/client_report.c

@@ -460,7 +460,7 @@ iedConnection_handleReport(IedConnection self, MmsValue* value)
         matchingReport->timestamp = MmsValue_getBinaryTimeAsUtcMs(timeStampValue);
 
         if (DEBUG_IED_CLIENT)
-            printf("IED_CLIENT: report has timestamp %lu\n", matchingReport->timestamp);
+            printf("IED_CLIENT: report has timestamp %llu\n", (unsigned long long) matchingReport->timestamp);
 
         inclusionIndex++;
     }

src/iec61850/client/ied_connection.c

@@ -1925,9 +1925,7 @@ IedConnection_getFile(IedConnection self, IedClientError* error, const char* fil
     clientFileReadHandler.retVal = true;
     clientFileReadHandler.byteReceived = 0;
 
-    bool continueRead = true;
-
-    while (continueRead == true) {
+    while (true) {
         bool moreFollows =
                 MmsConnection_fileRead(self->connection, &mmsError, frsmId, mmsFileReadHandler,
                         &clientFileReadHandler);

src/iec61850/common/iec61850_common.c

@@ -22,6 +22,7 @@
  */
 
 #include "iec61850_common.h"
+#include "iec61850_common_internal.h"
 
 #include "libiec61850_platform_includes.h"
 

src/iec61850/server/mms_mapping/reporting.c

@@ -2186,7 +2186,10 @@ removeAllGIReportsFromReportBuffer(ReportBuffer* reportBuffer)
                 reportBuffer->oldestReport = currentReport->next;
             }
             else {
+                if (lastReport != NULL)
                     lastReport->next = currentReport->next;
+                else
+                    lastReport = currentReport;
             }
 
 #if (DEBUG_IED_SERVER == 1)

src/mms/iso_mms/asn1c/OCTET_STRING.c

@@ -1261,13 +1261,15 @@ OCTET_STRING_encode_uper(asn_TYPE_descriptor_t *td,
 	asn_enc_rval_t er;
 	int ct_extensible = ct->flags & APC_EXTENSIBLE;
 	int inext = 0;		/* Lies not within extension root */
-	int sizeinunits = st->size;
+	int sizeinunits;
 	const uint8_t *buf;
 	int ret;
 
 	if(!st || !st->buf)
 		_ASN_ENCODE_FAILED;
 
+	sizeinunits = st->size;
+
 	if(unit_bits == 1) {
 		sizeinunits = sizeinunits * 8 - (st->bits_unused & 0x07);
 	}
@@ -1387,18 +1389,21 @@ OCTET_STRING_print_utf8(asn_TYPE_descriptor_t *td, const void *sptr,
 }
 
 void
-OCTET_STRING_free(asn_TYPE_descriptor_t *td, void *sptr, int contents_only) {
+OCTET_STRING_free(asn_TYPE_descriptor_t *td, void *sptr, int contents_only)
+{
     OCTET_STRING_t *st = (OCTET_STRING_t*) sptr;
+
+    if ((td == NULL) || (st == NULL))
+        return;
+
     asn_OCTET_STRING_specifics_t *specs = td->specifics
                                           ? (asn_OCTET_STRING_specifics_t*) td->specifics
-				: &asn_DEF_OCTET_STRING_specs;
+                                            :
+                                            &asn_DEF_OCTET_STRING_specs;
     asn_struct_ctx_t *ctx = (asn_struct_ctx_t*)
             ((char*) st + specs->ctx_offset);
     struct _stack *stck;
 
-	if(!td || !st)
-		return;
-
     if (st->buf) {
         FREEMEM(st->buf);
     }

src/mms/iso_mms/asn1c/constr_CHOICE.c

@@ -964,12 +964,13 @@ CHOICE_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
 
 void
 CHOICE_free(asn_TYPE_descriptor_t *td, void *ptr, int contents_only) {
-	asn_CHOICE_specifics_t *specs = (asn_CHOICE_specifics_t *)td->specifics;
-	int present;
 
 	if(!td || !ptr)
 		return;
 
+    asn_CHOICE_specifics_t *specs = (asn_CHOICE_specifics_t *)td->specifics;
+    int present;
+
 	/*
 	 * Figure out which CHOICE element is encoded.
 	 */

src/mms/iso_mms/asn1c/constr_SET_OF.c

@@ -841,6 +841,13 @@ asn_dec_rval_t
 SET_OF_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
         asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
 	asn_dec_rval_t rv;
+
+    rv.code = RC_OK;
+    rv.consumed = 0;
+
+	if (td == NULL)
+	    return rv;
+
     asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics;
 	asn_TYPE_member_t *elm = td->elements;	/* Single one */
 	void *st = *sptr;
@@ -866,7 +873,7 @@ SET_OF_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
 	else if(td->per_constraints) ct = &td->per_constraints->size;
 	else ct = 0;
 
-	if(ct && ct->flags & APC_EXTENSIBLE) {
+	if(ct && (ct->flags & APC_EXTENSIBLE)) {
 		int value = per_get_few_bits(pd, 1);
 		if(value < 0) _ASN_DECODE_STARVED;
 		if(value) ct = 0;	/* Not restricted! */
@@ -905,8 +912,6 @@ SET_OF_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
 		nelems = -1;	/* Allow uper_get_length() */
 	} while(repeat);
 
-	rv.code = RC_OK;
-	rv.consumed = 0;
 	return rv;
 }
 

src/mms/iso_mms/client/mms_client_connection.c

@@ -1273,7 +1273,8 @@ mmsIsoCallback(IsoIndication indication, void* parameter, ByteBuffer* payload)
         if (bufPos == -1)
             goto exit_with_error;
 
-        uint32_t invokeId;
+        bool hasInvokeId = false;
+        uint32_t invokeId = 0;
 
         while (bufPos < payload->size) {
 
@@ -1291,6 +1292,14 @@ mmsIsoCallback(IsoIndication indication, void* parameter, ByteBuffer* payload)
                 goto exit_with_error;
 
             if (extendedTag) {
+
+                if (hasInvokeId == false) {
+                    if (DEBUG_MMS_CLIENT)
+                        printf("MMS_CLIENT: invalid message received - missing invoke ID!\n");
+
+                    goto exit_with_error;
+                }
+
                 switch (nestedTag)
                 {
 
@@ -1351,6 +1360,8 @@ mmsIsoCallback(IsoIndication indication, void* parameter, ByteBuffer* payload)
                     if (DEBUG_MMS_CLIENT)
                         printf("MMS_CLIENT: received request with invokeId: %i\n", invokeId);
 
+                    hasInvokeId = true;
+
                     self->lastInvokeId = invokeId;
 
                     break;
@@ -3376,6 +3387,7 @@ MmsConnection_readJournalTimeRangeAsync(MmsConnection self, MmsError* mmsError,
     if ((MmsValue_getType(startTime) != MMS_BINARY_TIME) ||
             (MmsValue_getType(endTime) != MMS_BINARY_TIME)) {
 
+        if (mmsError)
             *mmsError = MMS_ERROR_INVALID_ARGUMENTS;
         goto exit_function;
     }
@@ -3447,6 +3459,7 @@ MmsConnection_readJournalStartAfterAsync(MmsConnection self, MmsError* mmsError,
     if ((MmsValue_getType(timeSpecification) != MMS_BINARY_TIME) ||
             (MmsValue_getType(entrySpecification) != MMS_OCTET_STRING)) {
 
+        if (mmsError)
             *mmsError = MMS_ERROR_INVALID_ARGUMENTS;
         goto exit_function;
     }

src/mms/iso_mms/common/mms_common_msg.c

@@ -244,36 +244,6 @@ mmsMsg_parseDataElement(Data_t* dataElement)
                 printf("MMS CLIENT: error parsing data element (invalid structure size)!\n");
         }
     }
-    else if (dataElement->present == Data_PR_array) {
-
-        int componentCount = dataElement->choice.array->list.count;
-
-        if (componentCount > 0) {
-            value = (MmsValue*) GLOBAL_CALLOC(1, sizeof(MmsValue));
-
-            value->type = MMS_ARRAY;
-            value->value.structure.size = componentCount;
-            value->value.structure.components = (MmsValue**) GLOBAL_CALLOC(componentCount, sizeof(MmsValue*));
-
-            int i;
-
-            for (i = 0; i < componentCount; i++) {
-                value->value.structure.components[i] =
-                        mmsMsg_parseDataElement(dataElement->choice.array->list.array[i]);
-
-                if (value->value.structure.components[i] == NULL) {
-                    MmsValue_delete(value);
-                    value = NULL;
-                    break;
-                }
-            }
-        }
-        else {
-            if (DEBUG_MMS_CLIENT)
-                printf("MMS CLIENT: error parsing data element (invalid array size)!\n");
-        }
-
-    }
     else {
         if (dataElement->present == Data_PR_integer) {
 

src/mms/iso_mms/server/mms_get_namelist_service.c

@@ -257,10 +257,11 @@ getNameListDomainSpecific(MmsServerConnection connection, char* domainName)
 #if (MMS_DATA_SET_SERVICE == 1)
 
 static LinkedList
-createStringsFromNamedVariableList(LinkedList nameList, LinkedList variableLists)
+createStringsFromNamedVariableList(LinkedList variableLists)
 {
-    nameList = LinkedList_create();
+    LinkedList nameList = LinkedList_create();
     LinkedList variableListsElement = LinkedList_getNext(variableLists);
+
     while (variableListsElement != NULL) {
         MmsNamedVariableList variableList =
                 (MmsNamedVariableList) variableListsElement->data;
@@ -285,7 +286,7 @@ getNamedVariableListsDomainSpecific(MmsServerConnection connection, char* domain
     if (domain != NULL) {
         LinkedList variableLists = MmsDomain_getNamedVariableLists(domain);
 
-        nameList = createStringsFromNamedVariableList(nameList, variableLists);
+        nameList = createStringsFromNamedVariableList(variableLists);
     }
 
     return nameList;
@@ -300,7 +301,7 @@ getNamedVariableListsVMDSpecific(MmsServerConnection connection)
 
     LinkedList variableLists = MmsDevice_getNamedVariableLists(device);
 
-    nameList = createStringsFromNamedVariableList(nameList, variableLists);
+    nameList = createStringsFromNamedVariableList(variableLists);
 
     return nameList;
 }
@@ -313,7 +314,7 @@ getNamedVariableListAssociationSpecific(MmsServerConnection connection)
 
     LinkedList variableLists = MmsServerConnection_getNamedVariableLists(connection);
 
-    nameList = createStringsFromNamedVariableList(nameList, variableLists);
+    nameList = createStringsFromNamedVariableList(variableLists);
 
     return nameList;
 }