upgrading Array library with macro and function implementation

lib/Array.h

@@ -29,6 +29,9 @@ typedef struct{
   size_t nelem;
 }Array;
 
+
+#ifndef ARRAY_IMPLEMENTATION
+
 #define array_new(Array_h)  \
   Array_h = (Array*)malloc(sizeof(Array));\
   Array_h->arr = (TYPE*)malloc(sizeof(TYPE)*START_DIM);\
@@ -86,5 +89,83 @@ typedef struct{
     DATA = buffer;\
   }
 
+#else
+#include "./Array.h"
+
+void array_new(Array* Array_h);
+void array_push(Array* Array_h, TYPE DATA);
+void array_pop(Array*Array_h,TYPE DATA);
+void array_get(Array* Array_h, int POINTER,TYPE DATA);
+void array_free(Array*Array_h);
+void array_cpy(Array*Array_h, int POINTER, int SIZE,TYPE* DATA);
+void array_realloc(Array*Array_h);
+
+
+void array_new(Array* Array_h){
+  Array_h = (Array*)malloc(sizeof(Array));
+  Array_h->arr = (TYPE*)malloc(sizeof(TYPE)*START_DIM);
+  Array_h->size = START_DIM;
+  Array_h->pointer = 0;
+  Array_h->nelem = 0;
+}
+
+void array_push(Array* Array_h, TYPE DATA){
+  if(Array_h->pointer+1 > Array_h->size){
+    array_realloc(Array_h);
+  }
+  Array_h->arr[Array_h->pointer] = DATA;
+  Array_h->pointer += 1;
+  Array_h->nelem += 1;
+}
+
+void array_pop(Array*Array_h,TYPE DATA){
+  Array_h->pointer -= 1;
+  if(Array_h->pointer < 0){
+    Array_h->pointer = 0;
+    Array_h->nelem = 0;
+  }
+  DATA = Array_h->arr[Array_h->pointer];
+  Array_h->arr[Array_h->pointer] = 0;
+  Array_h->nelem -= 1;
+}
+
+void array_get(Array* Array_h, int POINTER,TYPE DATA){
+  if(POINTER >= 0 && POINTER <= Array_h->size){
+    DATA = Array_h->arr[POINTER];
+  }else{
+    DATA = (TYPE)-1;
+  }
+}
+void array_realloc(Array*Array_h){
+  TYPE* new_arr = (TYPE*)malloc(sizeof(TYPE)*Array_h->size*2);
+  for(int i=0;i<Array_h->nelem;i++){
+    new_arr[i] = Array_h->arr[i];
+  }
+  free(Array_h->arr);
+  Array_h->arr = new_arr;
+  Array_h->size = Array_h->size *2;
+}
+
+void array_free(Array*Array_h){
+  free(Array_h->arr);
+  Array_h->arr = 0;
+  free(Array_h);
+  Array_h = 0;
+}
+
+
+void array_cpy(Array*Array_h, int POINTER, int SIZE,TYPE* DATA){
+  if(POINTER >= 0 && POINTER <= Array_h->size){
+    TYPE* buffer = (TYPE*)malloc(sizeof(TYPE)*SIZE);
+    for(int i=0;i<SIZE;i++){
+      buffer[i] = Array_h->arr[POINTER+i];
+    }
+    DATA = buffer;
+  }
+}
+
+
+#endif
+
 
 #endif