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authorderaadt <deraadt@openbsd.org>2019-06-28 13:32:41 +0000
committerderaadt <deraadt@openbsd.org>2019-06-28 13:32:41 +0000
commitdf69c215c7c66baf660f3f65414fd34796c96152 (patch)
tree0255639162b24c4a2f761a274e32b69c2256fd45 /lib/libc/stdio/fopen.c
parentminiroot prototype disklabels should attempt to contain accurate (diff)
downloadwireguard-openbsd-df69c215c7c66baf660f3f65414fd34796c96152.tar.xz
wireguard-openbsd-df69c215c7c66baf660f3f65414fd34796c96152.zip
When system calls indicate an error they return -1, not some arbitrary
value < 0. errno is only updated in this case. Change all (most?) callers of syscalls to follow this better, and let's see if this strictness helps us in the future.
Diffstat (limited to 'lib/libc/stdio/fopen.c')
-rw-r--r--lib/libc/stdio/fopen.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libc/stdio/fopen.c b/lib/libc/stdio/fopen.c
index 5932a552158..d62e2eb36d6 100644
--- a/lib/libc/stdio/fopen.c
+++ b/lib/libc/stdio/fopen.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: fopen.c,v 1.9 2016/09/21 04:38:56 guenther Exp $ */
+/* $OpenBSD: fopen.c,v 1.10 2019/06/28 13:32:42 deraadt Exp $ */
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
@@ -51,7 +51,7 @@ fopen(const char *file, const char *mode)
return (NULL);
if ((fp = __sfp()) == NULL)
return (NULL);
- if ((f = open(file, oflags, DEFFILEMODE)) < 0) {
+ if ((f = open(file, oflags, DEFFILEMODE)) == -1) {
fp->_flags = 0; /* release */
return (NULL);
}