diff --git a/.suckless/dwm/util.c b/.suckless/dwm/util.c
new file mode 100644
index 0000000..bcecb12
--- /dev/null
+++ b/.suckless/dwm/util.c
@@ -0,0 +1,36 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "util.h"
+
+void *
+ecalloc(size_t nmemb, size_t size)
+{
+	void *p;
+
+	if (!(p = calloc(nmemb, size)))
+		die("calloc:");
+	return p;
+}
+
+void
+die(const char *fmt, ...) {
+	va_list ap;
+
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+
+	if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
+		fputc(' ', stderr);
+		perror(NULL);
+	} else {
+		fputc('\n', stderr);
+	}
+
+	exit(1);
+}
+
diff --git a/.suckless/dwm/util.h b/.suckless/dwm/util.h
new file mode 100644
index 0000000..1e3cf9a
--- /dev/null
+++ b/.suckless/dwm/util.h
@@ -0,0 +1,19 @@
+/* See LICENSE file for copyright and license details. */
+
+#ifndef MAX
+#define MAX(A, B)               ((A) > (B) ? (A) : (B))
+#endif
+#ifndef MIN
+#define MIN(A, B)               ((A) < (B) ? (A) : (B))
+#endif
+#define BETWEEN(X, A, B)        ((A) <= (X) && (X) <= (B))
+
+#ifdef _DEBUG
+#define DEBUG(...) fprintf(stderr, __VA_ARGS__)
+#else
+#define DEBUG(...)
+#endif
+
+void die(const char *fmt, ...);
+void *ecalloc(size_t nmemb, size_t size);
+
diff --git a/.suckless/dwm/util.o b/.suckless/dwm/util.o
new file mode 100644
index 0000000..0493952
Binary files /dev/null and b/.suckless/dwm/util.o differ