Bug fix decoding many variable datasets

das2/dataset.c

@@ -364,16 +364,17 @@ void _DasDs_codecsGoLarger(DasDs* pThis)
 	/* We're already using dynamic codec array, now go even bigger */
 	size_t uNewSz = pThis->uSzCodecs * 2;
 
+	DasCodec* pNewCodecs = (DasCodec*) calloc(uNewSz, sizeof(DasCodec));
+	int* pNewItems       = (int*) calloc(uNewSz, sizeof(int));
 
-	pThis->lCodecs = realloc(pThis->lCodecs, uNewSz * sizeof(DasCodec));
-	pThis->lItems  = realloc(pThis->lCodecs, uNewSz * sizeof(int));
+	memcpy(pNewCodecs, pThis->lCodecs, pThis->uSzCodecs*sizeof(DasCodec));
+	memcpy(pNewItems,  pThis->lItems,  pThis->uSzCodecs*sizeof(int));
 
-	/* Null out the new memory, realloc doesn't do this */
-	size_t uHalfSz = (pThis->uSzCodecs) * sizeof(DasCodec);
-	memset(pThis->lCodecs + uHalfSz, 0, uHalfSz);
-
-	uHalfSz = (pThis->uSzCodecs) * sizeof(int);
-	memset(pThis->lItems + uHalfSz, 0, uHalfSz);
+	free(pThis->lCodecs);
+	free(pThis->lItems);
+
+	pThis->lCodecs = pNewCodecs;
+	pThis->lItems  = pNewItems;
 
 	pThis->uSzCodecs = uNewSz;
 }

utilities/das3_cdf.c

@@ -141,6 +141,7 @@ void prnHelp()
 "      summary               -> CATDESC\n"
 "      notes                 -> VAR_NOTES\n"
 "      format                -> FORMAT\n"
+"      frame                 -> VECTOR_FRAME\n"
 "      nominalMin,nominalMax -> LIMITS_NOMINAL_MIN,LIMITS_NOMINAL_MAX\n"
 "      scaleMin,scaleMax     -> SCALEMIN,SCALEMAX\n"
 "      scaleType             -> SCALETYP\n"
@@ -475,6 +476,8 @@ const char* DasProp_cdfVarName(const DasProp* pProp)
 	if(strcmp(sName, "info"       ) == 0) return "VAR_NOTES";
 	if(strcmp(sName, "notes"      ) == 0) return "VAR_NOTES";
 
+	if(strcmp(sName, "frame"      ) == 0) return "VECTOR_FRAME";
+
 	if(strcmp(sName, "fill"       ) == 0) return "FILLVAL";
 	if(strcmp(sName, "format"     ) == 0) return "FORMAT";
 	if(strcmp(sName, "info"       ) == 0) return "VAR_NOTES";