1 files changed, 20 insertions, 0 deletions
diff --git a/error.c b/error.c
new file mode 100644
index 0000000..50c0306
--- /dev/null
+++ b/error.c
@@ -0,0 +1,20 @@
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <signal.h>
+
+void error_exit(char *format, ...)
+{
+	char buffer[4096];
+	va_list ap;
+
+	va_start(ap, format);
+	vsnprintf(buffer, sizeof(buffer), format, ap);
+	va_end(ap);
+
+	fprintf(stderr, "%s: errno=%d (if applicable)\n", buffer, errno);
+
+	exit(EXIT_FAILURE);
+}