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authorMichael Shalayeff <mickey@cvs.openbsd.org>1997-04-02 05:20:03 +0000
committerMichael Shalayeff <mickey@cvs.openbsd.org>1997-04-02 05:20:03 +0000
commit471eac0e1b823971765a6f790c8ff05fa647c495 (patch)
treef95f1f170ce6d5f4513ee20857c5e7c52d55d3f6 /sys/lib/libsa
parentcff85ee6e151ec56a32b923ed785d2276a6075be (diff)
fd < 0 is evil
Diffstat (limited to 'sys/lib/libsa')
-rw-r--r--sys/lib/libsa/readdir.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/lib/libsa/readdir.c b/sys/lib/libsa/readdir.c
index 5671962ecab..b01ecdda9b0 100644
--- a/sys/lib/libsa/readdir.c
+++ b/sys/lib/libsa/readdir.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: readdir.c,v 1.1 1997/02/16 14:48:06 mickey Exp $ */
+/* $OpenBSD: readdir.c,v 1.2 1997/04/02 05:20:02 mickey Exp $ */
/*
* Copyright (c) 1996 Michael Shalayeff
@@ -69,10 +69,12 @@ readdir(fd, dest)
{
register struct open_file *f = &files[fd];
- if ((unsigned)fd >= SOPEN_MAX || !(f->f_flags & F_READ)) {
+ if (fd < 0 || fd >= SOPEN_MAX ||
+ !((f = &files[fd])->f_flags & F_READ)) {
errno = EBADF;
return (-1);
}
+
if (f->f_flags & F_RAW) {
errno = EINVAL;
return (-1);