From d55ed0c98536f1648ade005c8cb0c8da4101b6a3 Mon Sep 17 00:00:00 2001
From: Philip Wittamore <philip@wittamore.com>
Date: Mon, 4 May 2026 06:22:25 +0200
Subject: update

---
 util.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100755 util.c

(limited to 'util.c')

diff --git a/util.c b/util.c
new file mode 100755
index 0000000..8e26a51
--- /dev/null
+++ b/util.c
@@ -0,0 +1,37 @@
+/* See LICENSE file for copyright and license details. */
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "util.h"
+
+void
+die(const char *fmt, ...)
+{
+	va_list ap;
+	int saved_errno;
+
+	saved_errno = errno;
+
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+
+	if (fmt[0] && fmt[strlen(fmt)-1] == ':')
+		fprintf(stderr, " %s", strerror(saved_errno));
+	fputc('\n', stderr);
+
+	exit(1);
+}
+
+void *
+ecalloc(size_t nmemb, size_t size)
+{
+	void *p;
+
+	if (!(p = calloc(nmemb, size)))
+		die("calloc:");
+	return p;
+}
-- 
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