From ab6f0bb3485f6626bad6f585e4d17059fe4f7152 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Tue, 20 Feb 2018 10:43:46 +0000
Subject: [PATCH] Do not leak memory when working out job name in formats.

---
 format.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/format.c b/format.c
index be53ad93..0cd3503c 100644
--- a/format.c
+++ b/format.c
@@ -1121,7 +1121,7 @@ format_expand_time(struct format_tree *ft, const char *fmt, time_t t)
 char *
 format_expand(struct format_tree *ft, const char *fmt)
 {
-	char		*buf, *out;
+	char		*buf, *out, *name;
 	const char	*ptr, *s, *saved = fmt;
 	size_t		 off, len, n, outlen;
 	int     	 ch, brackets;
@@ -1160,8 +1160,11 @@ format_expand(struct format_tree *ft, const char *fmt)
 
 			if (ft->flags & FORMAT_NOJOBS)
 				out = xstrdup("");
-			else
-				out = format_job_get(ft, xstrndup(fmt, n));
+			else {
+				name = xstrndup(fmt, n);
+				out = format_job_get(ft, name);
+				free(name);
+			}
 			outlen = strlen(out);
 
 			while (len - off < outlen + 1) {