From 5994d52d71816317553d081360980ad6708d295c Mon Sep 17 00:00:00 2001
From: sin <sin@2f30.org>
Date: Fri, 26 Sep 2014 15:55:40 +0100
Subject: Add eprintf.c

---
 eprintf.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 eprintf.c

(limited to 'eprintf.c')

diff --git a/eprintf.c b/eprintf.c
new file mode 100644
index 0000000..f89cc3d
--- /dev/null
+++ b/eprintf.c
@@ -0,0 +1,59 @@
+/* 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
+enprintf(int status, const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	venprintf(status, fmt, ap);
+	va_end(ap);
+}
+
+void
+eprintf(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	venprintf(EXIT_FAILURE, fmt, ap);
+	va_end(ap);
+}
+
+void
+venprintf(int status, const char *fmt, va_list ap)
+{
+	vfprintf(stderr, fmt, ap);
+
+	if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
+		fputc(' ', stderr);
+		perror(NULL);
+	}
+
+	exit(status);
+}
+
+void
+weprintf(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+
+	if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
+		fputc(' ', stderr);
+		perror(NULL);
+	}
+}
-- 
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