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When checking flags that will be passed to open(), test the O_ACCMODE portion

separately to avoid false negatives.
ok miod@ millert@
OPENBSD_5_8
guenther 9 years ago
parent
commit
726c811e97
1 changed files with 3 additions and 2 deletions
  1. +3
    -2
      src/lib/libc/stdlib/posix_pty.c

+ 3
- 2
src/lib/libc/stdlib/posix_pty.c View File

@ -1,4 +1,4 @@
/* $OpenBSD: posix_pty.c,v 1.1 2012/12/03 20:08:33 millert Exp $ */
/* $OpenBSD: posix_pty.c,v 1.2 2015/05/11 00:42:54 guenther Exp $ */
/*
* Copyright (c) 2012 Todd C. Miller <Todd.Miller@courtesan.com>
@ -35,7 +35,8 @@ posix_openpt(int oflag)
int fd, mfd = -1;
/* User must specify O_RDWR in oflag. */
if (!(oflag & O_RDWR)) {
if ((oflag & O_ACCMODE) != O_RDWR ||
(oflag & ~(O_ACCMODE | O_NOCTTY)) != 0) {
errno = EINVAL;
return -1;
}


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