[beken-72xx] Use realloc() based on malloc()

cores/common/base/fixups/malloc.c

@@ -28,34 +28,26 @@ void *__wrap_calloc(size_t num, size_t size) {
 }
 
 void *__wrap_realloc(void *ptr, size_t new_size) {
+#if LT_REMALLOC
+	void *nptr = pvPortMalloc(new_size);
+	if (nptr) {
+		memcpy(nptr, ptr, new_size);
+		vPortFree(ptr);
+	}
+	return nptr;
+#else
 	return LT_REALLOC_FUNC(ptr, new_size);
+#endif
 }
 
 void __wrap_free(void *ptr) {
 	vPortFree(ptr);
 }
 
-void *__wrap__malloc_r(void *reent, size_t size) {
-	return pvPortMalloc(size);
-}
-
-void *__wrap__calloc_r(void *reent, size_t num, size_t size) {
-	void *ptr;
-	if (num == 0 || size == 0)
-		num = size = 1;
-	ptr = pvPortMalloc(num * size);
-	if (ptr)
-		memset(ptr, 0, num * size);
-	return ptr;
-}
-
-void *__wrap__realloc_r(void *reent, void *ptr, size_t new_size) {
-	return LT_REALLOC_FUNC(ptr, new_size);
-}
-
-void __wrap__free_r(void *reent, void *ptr) {
-	vPortFree(ptr);
-}
+__attribute__((alias("__wrap_malloc"))) void *__wrap__malloc_r(void *reent, size_t size);
+__attribute__((alias("__wrap_calloc"))) void *__wrap__calloc_r(void *reent, size_t num, size_t size);
+__attribute__((alias("__wrap_realloc"))) void *__wrap__realloc_r(void *reent, void *ptr, size_t new_size);
+__attribute__((alias("__wrap_free"))) void __wrap__free_r(void *reent, void *ptr);
 
 #endif