From d7ce046606ce05dd8a37e83fc48667bbe4c20093 Mon Sep 17 00:00:00 2001
From: sinanmohd <sinan@firemail.cc>
Date: Mon, 22 May 2023 15:25:25 +0530
Subject: initial commit

---
 util.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 util.c

(limited to 'util.c')

diff --git a/util.c b/util.c
new file mode 100644
index 0000000..d8c65b8
--- /dev/null
+++ b/util.c
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+#include "util.h"
+
+void die(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	fprintf(stderr, "error: ");
+	vfprintf(stderr, fmt, ap);
+	if (errno)
+		fprintf(stderr, " (%d): %s\n", errno, strerror(errno));
+	else
+		fputc('\n', stderr);;
+	va_end(ap);
+
+	exit(errno);
+}
-- 
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