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Avoid segmenation fault if an external command is invoked in parse only

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mode. Problem noted by Josh Lynch PR bin/8732.
This commit is contained in:
tron 1999-11-02 19:35:44 +00:00
parent 6204f3a128
commit 64aaf6d18b
1 changed files with 3 additions and 3 deletions
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6
bin/csh/sem.c
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@ -1,4 +1,4 @@
/* $NetBSD: sem.c,v 1.17 1999/03/19 12:58:33 christos Exp $ */
/* $NetBSD: sem.c,v 1.18 1999/11/02 19:35:44 tron Exp $ */
/*-
* Copyright (c) 1980, 1991, 1993
@ -38,7 +38,7 @@
#if 0
static char sccsid[] = "@(#)sem.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: sem.c,v 1.17 1999/03/19 12:58:33 christos Exp $");
__RCSID("$NetBSD: sem.c,v 1.18 1999/11/02 19:35:44 tron Exp $");
#endif
#endif /* not lint */
@ -167,7 +167,7 @@ execute(t, wanttty, pipein, pipeout)
* Check if we have a builtin function and remember which one.
*/
bifunc = isbfunc(t);
if (noexec) {
if (noexec && bifunc != NULL) {
/*
* Continue for builtins that are part of the scripting language
*/