diff --git a/util.c b/util.c
index 9202c55..284657b 100644
--- a/util.c
+++ b/util.c
@@ -368,6 +368,58 @@ int is_running(void)
 	return running;
 }
 
+void *xmalloc(size_t size)
+{
+	void *r;
+
+	r = malloc(size);
+	if (!r) {
+		pr_err("failed to allocate memory");
+		exit(1);
+	}
+
+	return r;
+}
+
+void *xcalloc(size_t nmemb, size_t size)
+{
+	void *r;
+
+	r = calloc(nmemb, size);
+	if (!r) {
+		pr_err("failed to allocate memory");
+		exit(1);
+	}
+
+	return r;
+}
+
+void *xrealloc(void *ptr, size_t size)
+{
+	void *r;
+
+	r = realloc(ptr, size);
+	if (!r) {
+		pr_err("failed to allocate memory");
+		exit(1);
+	}
+
+	return r;
+}
+
+char *xstrdup(const char *s)
+{
+	void *r;
+
+	r = strdup(s);
+	if (!r) {
+		pr_err("failed to allocate memory");
+		exit(1);
+	}
+
+	return r;
+}
+
 char *string_newf(const char *format, ...)
 {
 	va_list ap;
diff --git a/util.h b/util.h
index 758ee5f..8c3aaff 100644
--- a/util.h
+++ b/util.h
@@ -254,6 +254,43 @@ int handle_term_signals(void);
  */
 int is_running(void);
 
+/**
+ * Allocate memory. This is a malloc() wrapper that terminates the process when
+ * the allocation fails.
+ *
+ * @param size      Size of the block. Must be larger than 0.
+ * @return          Pointer to the allocated memory.
+ */
+void *xmalloc(size_t size);
+
+/**
+ * Allocate and clear an array. This is a calloc() wrapper that terminates the
+ * process when the allocation fails.
+ *
+ * @param nmemb     Number of elements. Must be larger than 0.
+ * @param size      Size of the element. Must be larger than 0.
+ * @return          Pointer to the allocated memory.
+ */
+void *xcalloc(size_t nmemb, size_t size);
+
+/**
+ * Reallocate memory. This is a realloc() wrapper that terminates the process
+ * when the allocation fails.
+ *
+ * @param size      Size of the block. Must be larger than 0.
+ * @return          Pointer to the allocated memory.
+ */
+void *xrealloc(void *ptr, size_t size);
+
+/**
+ * Duplicate a string. This is a strdup() wrapper that terminates the process
+ * when the allocation fails.
+ *
+ * @param s         String that should be duplicated.
+ * @return          Pointer to the duplicated string.
+ */
+char *xstrdup(const char *s);
+
 /**
  * Get an allocated and formatted string. This is a wrapper around asprintf().
  *