split into separate executables

1 files changed, 17 insertions, 0 deletions

diff --git a/util.c b/util.c
new file mode 100644
index 0000000..22b6dc6
--- /dev/null
+++ b/util.c
@@ -0,0 +1,17 @@
+#include <stdlib.h>
+#include <error.h>
+#include <errno.h>
+
+#include "util.h"
+
+void *xrealloc(void *ptr, size_t size)
+{
+	void *ret = realloc(ptr, size);
+	if (ret == NULL) {
+		if (ptr==NULL)
+			error(1, errno, "Could not allocate memory");
+		else
+			error(1, errno, "Could not re-allocate memory");
+	}
+	return ret;
+}