Date: Wed, 8 Jun 2016 19:24:49 +0000 (UTC) From: "Pedro F. Giffuni" <pfg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r301689 - head/contrib/one-true-awk Message-ID: <201606081924.u58JOn0h076468@repo.freebsd.org>
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Author: pfg Date: Wed Jun 8 19:24:48 2016 New Revision: 301689 URL: https://svnweb.freebsd.org/changeset/base/301689 Log: one-true-awk: Avoid a NULL dereference. CID: 270862 Obtained from: NetBSD (CVS Rev. 1.8) MFC after: 2 weeks Modified: head/contrib/one-true-awk/tran.c Modified: head/contrib/one-true-awk/tran.c ============================================================================== --- head/contrib/one-true-awk/tran.c Wed Jun 8 18:47:00 2016 (r301688) +++ head/contrib/one-true-awk/tran.c Wed Jun 8 19:24:48 2016 (r301689) @@ -333,7 +333,7 @@ char *setsval(Cell *vp, const char *s) / donefld = 0; /* mark $1... invalid */ donerec = 1; } - t = tostring(s); /* in case it's self-assign */ + t = s ? tostring(s) : tostring(""); /* in case it's self-assign */ if (freeable(vp)) xfree(vp->sval); vp->tval &= ~NUM;
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