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FIFOBuff/FIFOBuffChar.c

@@ -14,11 +14,6 @@ typedef struct FIFO_element_s {
     void* nextElement;
 } FIFO_element_t;
 
-// shared variables within this file
-static FIFO_element_t* FIFO_FirstElement_p = NULL;
-static FIFO_element_t* FIFO_LastElement_p = NULL;
-static unsigned int FIFO_count = 0;
-bool FIFO_Full = false;
 
 bool FIFOBuffChar_put(FIFOBuffChar_t *fifo, char i) // Change the function parameters to match the declaration
 {
@@ -165,23 +160,12 @@ FIFOBuffChar_t* FIFOBuffChar_create(void)
     }
     
     // Initialize the FIFO buffer
-    fifo->FirstEl_p = malloc(sizeof(struct FIFOBuffChar_element_s));
-    
-    if (fifo->FirstEl_p == NULL) {
-        // Memory allocation failed
-        free(fifo);
-        return NULL;
-    }
-
-        // Initialize the first element
-    fifo->FirstEl_p->value = 0; // "value" of "char"
-    fifo->FirstEl_p->nextEl = NULL;
-
     // Point the last element to the first one
-    fifo->LastEl_p = fifo->FirstEl_p;
-
     // Initialize other fields of the FIFOBuffChar_t struct
-    fifo->size = 1;
+    
+    fifo->FirstEl_p = NULL;
+    fifo->LastEl_p = NULL;
+    fifo->size = 0;
     fifo->full = false;
 
     return fifo;
@@ -208,12 +192,6 @@ bool FIFOBuffChar_delete(FIFOBuffChar_t *fifo)
         currentElement = nextElement;
     }
 
-    // Reset the FIFO buffer
-    FIFO_FirstElement_p = NULL;
-    FIFO_LastElement_p = NULL;
-    FIFO_count = 0;
-    FIFO_Full = false;
-
     return true;
 }