From 27a904c1dd40d185dd5123ca354f6080e853ec92 Mon Sep 17 00:00:00 2001
From: Markus Teich <markus.teich@stusta.mhn.de>
Date: Sat, 21 May 2016 21:39:58 +0200
Subject: import new drw and util from libsl.

---
 util.c | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

(limited to 'util.c')

diff --git a/util.c b/util.c
index ad3da78..6b703e9 100644
--- a/util.c
+++ b/util.c
@@ -2,16 +2,32 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "util.h"
 
+void *
+ecalloc(size_t nmemb, size_t size)
+{
+	void *p;
+
+	if (!(p = calloc(nmemb, size)))
+		perror(NULL);
+	return p;
+}
+
 void
-die(const char *errstr, ...) {
+die(const char *fmt, ...) {
 	va_list ap;
 
-	va_start(ap, errstr);
-	vfprintf(stderr, errstr, ap);
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
 	va_end(ap);
+
+	if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
+		fputc(' ', stderr);
+		perror(NULL);
+	}
+
 	exit(1);
 }
-
-- 
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