use default initializer of C Client

Author: knonomura

src/RowSet.cpp

@@ -34,7 +34,6 @@ namespace griddb {
      */
     bool RowSet::has_next() {
         GSRowSetType type;
-        bool hasNextRow = false;
         type = this->type();
         switch(type) {
         case (GS_ROW_SET_CONTAINER_ROWS):
@@ -146,7 +145,7 @@ namespace griddb {
      * Get next query analysis
      */
     QueryAnalysisEntry* RowSet::get_next_query_analysis(){
-        GSQueryAnalysisEntry queryAnalysis;
+    	GSQueryAnalysisEntry queryAnalysis = GS_QUERY_ANALYSIS_ENTRY_INITIALIZER;
         GSResult ret;
         ret = gsGetNextQueryAnalysis(mRowSet, &queryAnalysis);
         if (ret != GS_RESULT_OK) {

src/Store.cpp

@@ -48,7 +48,7 @@ namespace griddb {
      * Return information object of a specific container
      */
     ContainerInfo* Store::get_container_info(const char* name) {
-        GSContainerInfo containerInfo;
+        GSContainerInfo containerInfo = GS_CONTAINER_INFO_INITIALIZER;
         GSChar bExists;
         GSResult ret = gsGetContainerInfo(mStore, name, &containerInfo, &bExists);
         if (ret != GS_RESULT_OK) {
@@ -90,7 +90,7 @@ namespace griddb {
             //If not found container, return NULL in target language
             return NULL;
         }
-        GSContainerInfo containerInfo;
+        GSContainerInfo containerInfo = GS_CONTAINER_INFO_INITIALIZER;
         GSChar bExists;
         ret = gsGetContainerInfo(mStore, name, &containerInfo, &bExists);
         if (ret != GS_RESULT_OK) {
@@ -138,7 +138,6 @@ namespace griddb {
      */
     void Store::multi_put(GSRow*** listRow, const int *listRowContainerCount,
             const char ** listContainerName, size_t containerCount) {
-        const GSChar *containerName;
         GSResult ret;
         GSContainerRowEntry * entryList = (GSContainerRowEntry*) malloc (containerCount * sizeof(GSContainerRowEntry));
         for (int i= 0; i < containerCount; i++) {