small change in mm1.c in equal size case

mm1.c

@@ -599,7 +599,7 @@ void *mm_realloc(void *ptr, size_t size)
     block_meta_data_t *meta_data_block=(block_meta_data_t *)((char *)ptr-sizeof(block_meta_data_t));
 
     if(size == meta_data_block->block_size)
-        return meta_data_block;
+        return (void *)(meta_data_block+1);
 
 
     // if provided size is less than already allocated size `if block` will be executed otherwiae `else block`.
@@ -759,25 +759,20 @@ int main(int argc,char *argv[])
 {
     mm_init();
 
-    printf("[FIRST MALLOC]\n");
     int *p1=mm_malloc(400);
 
-    printf("[SECOND MALLOC]\n");
     void *p2=mm_malloc(400);
 
     // int i=0;
     // for(i =0;i<6;i++)
     //     p1[i] = i;
 
-    printf("[THIRD MALLOC]\n");
     void *p3=mm_malloc(400);
 
-    printf("[FOURTH MALLOC]\n");
     void *p4 = mm_malloc(400);
     // block_meta_data_t *meta_data_block=(block_meta_data_t *)((char *)p3-sizeof(block_meta_data_t));
     // meta_data_block=(block_meta_data_t *)((char *)p2-sizeof(block_meta_data_t));
 
-    printf("[FIFTH MALLOC]\n");
     mm_malloc(60);
     // for(int j=0;j<6;j++)
     //     printf("%d value\n",p1[j]);
@@ -792,7 +787,6 @@ int main(int argc,char *argv[])
 
     mm_free(p3);
 
-    printf("[SIXTH MALLOC]\n");
     mm_malloc(100);
 
     return 0;