Integrating library with application

AppIntegration/dll_util.c

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+/*
+ * =====================================================================================
+ *
+ *       Filename:  dll_util.c
+ *
+ *    Description:  
+ *
+ *        Version:  1.0
+ *        Created:  03/02/24 11:35:26 AM IST
+ *       Revision:  none
+ *       Compiler:  gcc
+ *
+ *         Author:  YOUR NAME (), 
+ *   Organization:  
+ *
+ * =====================================================================================
+ */
+#include "dll.h"
+#include <memory.h>
+#include <stdlib.h>
+
+int
+remove_data_from_dll_by_data_ptr (dll_t *dll, void *data ){
+       
+     if( !dll || !dll->head || !data ) return -1;
+       
+      /* Searching for data linearly and deleting the data*/
+     dll_node_t *tp;
+     dll_node_t *temp = dll->head;
+     while( !temp ){
+       if( *((int *)temp->data) == *((int *)data) ){
+       tp = temp->left;
+       tp->right = temp->right;
+       free(temp);
+       return 0;
+     }
+     temp = temp->right;
+   }
+           
+   return -1;
+}
+               
+int
+is_dll_empty(dll_t *dll){
+                         
+   if( !dll || !dll->head ) return 0;
+                          
+   return -1;
+}
+
+
+void
+drain_dll (dll_t *dll){
+   if( !dll || !dll->head ) return;
+
+   dll_node_t *tp = dll->head;
+   dll_node_t * temp = dll->head;
+   while( tp != NULL ){
+        tp->right->left = NULL;
+        temp = tp->right;
+        tp->right = NULL;
+        free(tp->data);
+        free(tp);
+        tp = temp;
+   }
+
+}
+