Merge pull request 'Fixed removing element when data is NULL' (#94) from YanTheKaller/libublsettings:master into master

Reviewed-on: #94

source/libublsettings-config.c

@@ -675,6 +675,7 @@ int yon_config_remove_element(char *key, char *delete_target, char *divider){
         int found = 0;
         yon_config_parameter *dict = (yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key);
         if (dict){
+            if (yon_char_is_empty(dict->data)) return 0; 
             char *temp = yon_char_remove_element((char*)dict->data,delete_target,divider);
             if (!yon_char_is_empty((char*)dict->data)) free(dict->data);
             dict->data = temp;
@@ -689,6 +690,7 @@ int yon_config_remove_elements(char *key, char *delete_target, char *divider){
         int found = 0;
         yon_config_parameter *dict = (yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key);
         if (dict){
+        if (yon_char_is_empty(dict->data)) return 0; 
             char *temp = yon_char_remove_elements((char*)dict->data,delete_target,divider);
             if (!yon_char_is_empty(temp)){
                 if (!yon_char_is_empty((char*)dict->data)) free(dict->data);
@@ -710,6 +712,7 @@ int yon_config_remove_elements_all(char *key, char *delete_target, char *divider
     check_config{
         int found = 0;
         yon_config_parameter *dict = (yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key);
+        if (dict&&yon_char_is_empty(dict->data)) return 0; 
         if (dict&&yon_char_check_elements((char*)dict->data,delete_target,divider)){
             char *temp = yon_char_remove_elements((char*)dict->data,delete_target,divider);
             if (!yon_char_is_empty(temp)){