From b6ac928a53d146233741fc5f7fe1cac66de27303 Mon Sep 17 00:00:00 2001
From: "Andrew J. Schorr" <aschorr@telemetry-investments.com>
Date: Sun, 14 Dec 2014 10:27:32 -0500
Subject: Stop allocating an extra wasted byte at the end of various strings.

---
 builtin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'builtin.c')

diff --git a/builtin.c b/builtin.c
index 21c6ed5c..838ab899 100644
--- a/builtin.c
+++ b/builtin.c
@@ -1833,7 +1833,7 @@ do_substr(int nargs)
 		 * way to do things.
 		 */
 		memset(& mbs, 0, sizeof(mbs));
-		emalloc(substr, char *, (length * gawk_mb_cur_max) + 2, "do_substr");
+		emalloc(substr, char *, (length * gawk_mb_cur_max) + 1, "do_substr");
 		wp = t1->wstptr + indx;
 		for (cp = substr; length > 0; length--) {
 			result = wcrtomb(cp, *wp, & mbs);
-- 
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