feat: check for oom in string

helper.h

@@ -0,0 +1,16 @@
+//
+// Created by tilok on 19.11.2025.
+//
+
+#ifndef TSTD_HELPER_H
+#define TSTD_HELPER_H
+#include <stdio.h>
+
+#define OOM(ptr) { \
+    if(ptr == NULL) { \
+        puts("Out of memory"); \
+        exit(137); \
+    } \
+}
+
+#endif //TSTD_HELPER_H