it looks like passing enums to va_start is unsafe as codechecker reports...

it looks like passing enums to va_start is unsafe as codechecker reports "passing an object that undergoes default argument promotion to 'va_start' has undefined behavior".
Maybe adding a casting to int (forcing the int conversion) will fix it.
Signed-off-by: Kristof Szabados <Kristof.Szabados@ericsson.com>

compiler2/encdec.c

@@ -176,7 +176,7 @@ void def_encdec(const char *p_classname,
      " TTCN_Buffer& p_buf, TTCN_EncDec::coding_t p_coding, ...)\n"
      "{\n"
      "  va_list pvar;\n"
-     "  va_start(pvar, p_coding);\n"
+     "  va_start(pvar, (int)p_coding);\n"
      "  switch(p_coding) {\n"
      "  case TTCN_EncDec::CT_BER: {\n"
      "    TTCN_EncDec_ErrorContext ec(\"While BER-decoding type"

core/ASN_Any.cc

@@ -56,7 +56,7 @@ void ASN_ANY::decode(const TTCN_Typedescriptor_t& p_td,
                      TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/ASN_CharacterString.cc

@@ -3271,7 +3271,7 @@ void CHARACTER_STRING::encode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_
 void CHARACTER_STRING::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf, TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/ASN_EmbeddedPDV.cc

@@ -3375,7 +3375,7 @@ void EMBEDDED_PDV::encode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf,
 void EMBEDDED_PDV::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf, TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/ASN_External.cc

@@ -3590,7 +3590,7 @@ void EXTERNAL::encode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf, TTC
 void EXTERNAL::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf, TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/ASN_Null.cc

@@ -166,7 +166,7 @@ void ASN_NULL::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf,
                       TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/Basetype.cc

@@ -120,7 +120,7 @@ void Base_Type::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf,
                        TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/Bitstring.cc

@@ -700,7 +700,7 @@ void BITSTRING::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf,
                        TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/Boolean.cc

@@ -267,7 +267,7 @@ void BOOLEAN::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf,
                      TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/Charstring.cc

@@ -861,7 +861,7 @@ void CHARSTRING::decode(const TTCN_Typedescriptor_t& p_td,
                         TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/Float.cc

@@ -403,7 +403,7 @@ void FLOAT::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf,
                    TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/Hexstring.cc

@@ -704,7 +704,7 @@ void HEXSTRING::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf,
   TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch (p_coding) {
   case TTCN_EncDec::CT_RAW: {
     TTCN_EncDec_ErrorContext ec("While RAW-decoding type '%s': ", p_td.name);

core/Integer.cc

@@ -817,7 +817,7 @@ void INTEGER::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf,
                      TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/Objid.cc

@@ -327,7 +327,7 @@ void OBJID::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf,
                    TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/Octetstring.cc

@@ -662,7 +662,7 @@ void OCTETSTRING::decode(const TTCN_Typedescriptor_t& p_td,
                          TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/Universal_charstring.cc

@@ -1168,7 +1168,7 @@ void UNIVERSAL_CHARSTRING::decode(const TTCN_Typedescriptor_t& p_td,
   TTCN_Buffer& p_buf, TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
   case TTCN_EncDec::CT_BER: {
     TTCN_EncDec_ErrorContext ec("While BER-decoding type '%s': ", p_td.name);

core/Verdicttype.cc

@@ -208,7 +208,7 @@ void VERDICTTYPE::decode(const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& p_buf,
                      TTCN_EncDec::coding_t p_coding, ...)
 {
   va_list pvar;
-  va_start(pvar, p_coding);
+  va_start(pvar, (int)p_coding);
   switch(p_coding) {
 #if 0
   case TTCN_EncDec::CT_RAW: {