[Build] fix mem leak

Code clean, fix mem leak case when using gstring util.

Signed-off-by: Jaeyun Jung <jy1210.jung@samsung.com>

Tizen.native/yolo_model_training/src/yolo_model_training.c

@@ -127,16 +127,16 @@ rename_images_filename (const gchar * images_path, const gchar * new_name,
   g_return_if_fail (images_list != NULL);
 
   for (i = 0; i < images_list->len; i++) {
-    GString *filename = g_string_new (NULL);
-    g_string_append_printf (filename, "%s_%03d.jpg", new_name, i);
+    gchar *filename = g_strdup_printf ("%s_%03d.jpg", new_name, i);
 
     old_path = g_array_index (images_list, gchar *, i);
-    new_path = g_build_filename (images_path, filename->str, NULL);
+    new_path = g_build_filename (images_path, filename, NULL);
     if (g_rename (old_path, new_path) == 0) {
       dlog_print (DLOG_INFO, LOG_TAG, "rename: %s -> %s", old_path, new_path);
-      //need to set label
     }
-    g_string_free (filename, TRUE);
+
+    g_free (new_path);
+    g_free (filename);
   }
 }
 
@@ -313,7 +313,7 @@ create_data_preprocess_pipeline (appdata_s * ad)
   print_list_info (annotations_list, ad->label2);
 
   /** The person using the model needs to know how to construct the model
-     and what data formats are required. 
+     and what data formats are required.
      The performance of the model is related to the construction of the model
      and the preprocessed data. */
   label_file = create_label_file (annotations_list);

Tizen.platform/Vivante_pipeline_experiments/src/main.c

@@ -162,7 +162,7 @@ int main (int argc, char *argv[]){
   if (enable_vnn_inception){
     vnn_inception_nb = g_strdup_printf ("/usr/share/dann/inception-v3.nb");
     vnn_inception_so = g_strdup_printf ("/usr/share/vivante/inceptionv3/libinceptionv3.so");
-    g_string_append_printf (pipeline, 
+    g_string_append_printf (pipeline,
       " t. ! queue ! videoscale ! "
       "video/x-raw,format=RGB,width=%d,height=%d ! "
       "tensor_converter ! "
@@ -176,7 +176,7 @@ int main (int argc, char *argv[]){
   if (enable_vnn_yolo){
     vnn_yolo_nb = g_strdup_printf ("/usr/share/dann/yolo-v3.nb");
     vnn_yolo_so = g_strdup_printf ("/usr/share/vivante/yolov3/libyolov3.so");
-    g_string_append_printf (pipeline, 
+    g_string_append_printf (pipeline,
       " t. ! queue ! videoscale ! "
       "video/x-raw,format=RGB,width=%d,height=%d ! "
       "tensor_converter ! "
@@ -192,7 +192,7 @@ int main (int argc, char *argv[]){
 
   if (enable_tflite_inception){
     tflite_inception_model = g_strdup_printf ("/usr/share/vivante/inception_v3_quant.tflite");
-    g_string_append_printf (pipeline, 
+    g_string_append_printf (pipeline,
       " t. ! queue ! videoscale ! "
       "video/x-raw,format=RGB,width=%d,height=%d ! "
       "tensor_converter ! "
@@ -276,7 +276,7 @@ int main (int argc, char *argv[]){
   g_free (vnn_yolo_so);
   g_free (tflite_inception_model);
 
-  g_string_free (pipeline, FALSE);
+  g_string_free (pipeline, TRUE);
 
   app_finish_time = g_get_real_time ();
   print_profile ();

native/example_data_preprocessing_for_training/nnstreamer_example_data_preprocessing.c

@@ -175,7 +175,7 @@ main (int argc, char **argv)
   _check_cond_err (annotations_list != NULL);
 
   /** The person using the model needs to know how to construct the model
-     and what data formats are required. 
+     and what data formats are required.
      The performance of the model is related to the construction of the model
      and the preprocessed data. */
 
@@ -206,7 +206,7 @@ main (int argc, char **argv)
       "tensor_mux name=mux sync-mode=nosync ! "
       "datareposink location=yolo.data json=yolo.json", path,
       label_file);
-  g_string_free (filename, FALSE);
+  g_string_free (filename, TRUE);
   g_free (images_path);
   g_free (path);
 
@@ -304,16 +304,16 @@ rename_images_filename (const gchar * images_path, const gchar * new_name,
   g_return_if_fail (images_list != NULL);
 
   for (i = 0; i < images_list->len; i++) {
-    GString *filename = g_string_new (NULL);
-    g_string_append_printf (filename, "%s_%03d.png", new_name, i);
+    gchar *filename = g_strdup_printf ("%s_%03d.png", new_name, i);
 
     old_path = g_array_index (images_list, gchar *, i);
-    new_path = g_build_filename (images_path, filename->str, NULL);
+    new_path = g_build_filename (images_path, filename, NULL);
     if (g_rename (old_path, new_path) == 0) {
       _print_log ("rename: %s -> %s", old_path, new_path);
     }
 
-    g_string_free (filename, FALSE);
+    g_free (new_path);
+    g_free (filename);
   }
 }