From 957ef4d81438a74d530f2a3890bfcd0145c11fd9 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Sun, 1 May 2016 22:21:46 -0400
Subject: simplify

---
 src/util.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/util.c')

diff --git a/src/util.c b/src/util.c
index d87fd72..686f02d 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1,5 +1,6 @@
 #include <stdarg.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #include "runes.h"
 
@@ -11,3 +12,21 @@ void runes_warn(const char *fmt, ...)
     vfprintf(stderr, fmt, ap);
     va_end(ap);
 }
+
+int sprintf_dup(char **out, const char *fmt, ...)
+{
+    int outlen = 0;
+    va_list ap;
+
+    va_start(ap, fmt);
+    outlen = vsnprintf(*out, outlen, fmt, ap);
+    va_end(ap);
+
+    *out = malloc(outlen + 1);
+
+    va_start(ap, fmt);
+    outlen = vsnprintf(*out, outlen + 1, fmt, ap);
+    va_end(ap);
+
+    return outlen;
+}
-- 
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