From 4d5fb6c357b641ef37850bd2f400c89a3ec5b326 Mon Sep 17 00:00:00 2001
From: ben <ben@rana>
Date: Thu, 28 Apr 2016 12:07:24 -0500
Subject: fix printing a char from an empty string

---
 sys/src/cmd/awk/run.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sys/src/cmd/awk/run.c b/sys/src/cmd/awk/run.c
index a9dbe1b51..c9e90bc45 100644
--- a/sys/src/cmd/awk/run.c
+++ b/sys/src/cmd/awk/run.c
@@ -961,8 +961,9 @@ int format(char **pbuf, int *pbufsize, char *s, Node *a)	/* printf-like conversi
 					*p = '\0';
 				}
 			} else {
-				*p++ = getsval(x)[0];
-				*p = 0;
+				if((*p = getsval(x)[0]) != '\0')
+					p++;
+				*p = '\0';
 			}
 			break;
 		}
-- 
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