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m4: import from OpenBSD

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By deraadt@

mkstemp() returns -1 on failure

Obtained from:	OpenBSD
This commit is contained in:
Baptiste Daroussin 2019-09-09 15:37:40 +00:00
parent db531a5d18
commit c57596e1ae
1 changed files with 2 additions and 2 deletions
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4
usr.bin/m4/eval.c
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@ -1,4 +1,4 @@
/* $OpenBSD: eval.c,v 1.77 2017/11/11 12:55:59 espie Exp $ */
/* $OpenBSD: eval.c,v 1.78 2019/06/28 05:35:34 deraadt Exp $ */
/* $NetBSD: eval.c,v 1.7 1996/11/10 21:21:29 pk Exp $ */
/*-
@ -846,7 +846,7 @@ dodiv(int n)
if (outfile[n] == NULL) {
char fname[] = _PATH_DIVNAME;
if ((fd = mkstemp(fname)) < 0 ||
if ((fd = mkstemp(fname)) == -1 ||
unlink(fname) == -1 ||
(outfile[n] = fdopen(fd, "w+")) == NULL)
err(1, "%s: cannot divert", fname);