gribapiGetKeys: check result of grib_get_size(gh, section2Padding, &size).

src/stream_gribapi.c

@@ -456,17 +456,17 @@ void gribapiGetKeys(grib_handle *gh, int varID)
     {
       long grib2LocalSectionNumber;
       grib_get_long(gh, "grib2LocalSectionNumber", &grib2LocalSectionNumber);
-      size_t size;
-      grib_get_size(gh, "section2Padding", &size);
-      if ( size > 0 )
-        {
-          varDefKeyInt(varID, CDI_KEY_GRIB2LOCALSECTIONNUMBER, (int) grib2LocalSectionNumber);
-          varDefKeyInt(varID, CDI_KEY_SECTION2PADDINGLENGTH, (int) size);
-          unsigned char *section2Padding = (unsigned char*) Malloc(size);
-          grib_get_bytes(gh, "section2Padding", section2Padding, &size);
-          varDefKeyBytes(varID, CDI_KEY_SECTION2PADDING, section2Padding, (int)size);
-          Free(section2Padding);
-        }
+      size_t size = 0;
+      if ( grib_get_size(gh, "section2Padding", &size) == 0 )
+        if ( size > 0 )
+          {
+            varDefKeyInt(varID, CDI_KEY_GRIB2LOCALSECTIONNUMBER, (int) grib2LocalSectionNumber);
+            varDefKeyInt(varID, CDI_KEY_SECTION2PADDINGLENGTH, (int) size);
+            unsigned char *section2Padding = (unsigned char*) Malloc(size);
+            grib_get_bytes(gh, "section2Padding", section2Padding, &size);
+            varDefKeyBytes(varID, CDI_KEY_SECTION2PADDING, section2Padding, (int)size);
+            Free(section2Padding);
+          }
     }
 }