From 51664faebcc10b53a1a78cff95f0efc04a2c7f8e Mon Sep 17 00:00:00 2001
From: sin <sin@2f30.org>
Date: Thu, 6 Feb 2014 11:14:33 +0000
Subject: Initial commit

---
 util/eprintf.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 util/eprintf.c

(limited to 'util')

diff --git a/util/eprintf.c b/util/eprintf.c
new file mode 100644
index 0000000..6d6fa65
--- /dev/null
+++ b/util/eprintf.c
@@ -0,0 +1,46 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../util.h"
+
+char *argv0;
+
+static void venprintf(int, const char *, va_list);
+
+void
+eprintf(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	venprintf(EXIT_FAILURE, fmt, ap);
+	va_end(ap);
+}
+
+void
+enprintf(int status, const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	venprintf(status, fmt, ap);
+	va_end(ap);
+}
+
+void
+venprintf(int status, const char *fmt, va_list ap)
+{
+	fprintf(stderr, "%s: ", argv0);
+
+	vfprintf(stderr, fmt, ap);
+
+	if(fmt[0] && fmt[strlen(fmt)-1] == ':') {
+		fputc(' ', stderr);
+		perror(NULL);
+	}
+
+	exit(status);
+}
-- 
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