[src/trunk]: src/external/bsd/nvi/dist/ex CID 1062357: Plug memory leak

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5f23f29dd5f5
branches:  trunk
changeset: 791674:5f23f29dd5f5
user:      christos <christos%NetBSD.org@localhost>
date:      Wed Nov 27 21:13:16 2013 +0000

description:
CID 1062357: Plug memory leak

diffstat:

 external/bsd/nvi/dist/ex/ex_at.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r c392e754d7c1 -r 5f23f29dd5f5 external/bsd/nvi/dist/ex/ex_at.c
--- a/external/bsd/nvi/dist/ex/ex_at.c  Wed Nov 27 20:52:24 2013 +0000
+++ b/external/bsd/nvi/dist/ex/ex_at.c  Wed Nov 27 21:13:16 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ex_at.c,v 1.3 2013/11/25 22:43:46 christos Exp $ */
+/*     $NetBSD: ex_at.c,v 1.4 2013/11/27 21:13:16 christos Exp $ */
 /*-
  * Copyright (c) 1992, 1993, 1994
  *     The Regents of the University of California.  All rights reserved.
@@ -107,7 +107,7 @@
            tp != NULL; tp = TAILQ_PREV(tp, _texth, q))
                len += tp->len + 1;
 
-       MALLOC_RET(sp, ecp->cp, CHAR_T *, len * 2 * sizeof(CHAR_T));
+       MALLOC_GOTO(sp, ecp->cp, CHAR_T *, len * 2 * sizeof(CHAR_T));
        ecp->o_cp = ecp->cp;
        ecp->o_clen = len;
        ecp->cp[len] = '\0';
@@ -122,4 +122,7 @@
 
        LIST_INSERT_HEAD(&sp->wp->ecq, ecp, q);
        return (0);
+alloc_err:
+       free(ecp);
+       return 1;
 }