save

lib/xmem.c

@@ -0,0 +1,36 @@
+/* Copyright (C) GCK
+ *
+ * This file is part of gcklib
+ *
+ * This project and file is licensed under the BSD-3-Clause licence.
+ * <https://opensource.org/licence/bsd-3-clause>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "err.h"
+
+#include "xmem.h"
+
+void *ensure_nonnull(void *ptr)
+{
+	if (ptr == NULL)
+		fatalf("memory exhausted");
+	return ptr;
+}
+
+void *xmalloc(size_t size)
+{
+	return ensure_nonnull(malloc(size));
+}
+
+void *xrealloc(void *ptr, size_t size)
+{
+	return ensure_nonnull(realloc(ptr, size));
+}
+
+void *xcalloc(size_t nmemb, size_t size)
+{
+	return ensure_nonnull(calloc(nmemb, size));
+}