PengZheng commented on code in PR #692:
URL: https://github.com/apache/celix/pull/692#discussion_r1420467757


##########
libs/utils/src/filter.c:
##########
@@ -440,14 +516,27 @@ static bool 
celix_filter_hasFilterChildren(celix_filter_t* filter) {
  */
 static celix_status_t celix_filter_compile(celix_filter_t* filter) {
     if (celix_filter_isCompareOperand(filter->operand)) {
-        filter->internal = malloc(sizeof(*filter->internal));
+        filter->internal = calloc(1, sizeof(*filter->internal));
         if (filter->internal == NULL) {
+            celix_err_push("Filter Error: Failed to allocate memory.");
             return CELIX_ENOMEM;
-        } else {
-            filter->internal->longValue = 
celix_utils_convertStringToLong(filter->value, 0, 
&filter->internal->convertedToLong);
-            filter->internal->doubleValue = 
celix_utils_convertStringToDouble(filter->value, 0.0, 
&filter->internal->convertedToDouble);
-            filter->internal->versionValue = 
celix_utils_convertStringToVersion(filter->value, NULL, 
&filter->internal->convertedToVersion);
         }
+        do {
+            filter->internal->longValue =
+                    celix_utils_convertStringToLong(filter->value, 0, 
&filter->internal->convertedToLong);

Review Comment:
   Previously, all conversions will be performed unconditionally. Now latter 
conversions will only be performed if former ones fail.



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