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authormillert <millert@openbsd.org>2007-08-08 21:24:29 +0000
committermillert <millert@openbsd.org>2007-08-08 21:24:29 +0000
commitba45e668be41526b8ebb916d5309dc96ffeab2fe (patch)
treeb149af9ed2be8a6ed5b36620e7f001f5b18a08ec /lib/libc/stdlib/malloc.3
parentsync (diff)
downloadwireguard-openbsd-ba45e668be41526b8ebb916d5309dc96ffeab2fe.tar.xz
wireguard-openbsd-ba45e668be41526b8ebb916d5309dc96ffeab2fe.zip
Clarify the example about avoiding overflow. OK ray@ deraadt@
Diffstat (limited to 'lib/libc/stdlib/malloc.3')
-rw-r--r--lib/libc/stdlib/malloc.36
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/libc/stdlib/malloc.3 b/lib/libc/stdlib/malloc.3
index 58afb65c5c3..35f83a0c24c 100644
--- a/lib/libc/stdlib/malloc.3
+++ b/lib/libc/stdlib/malloc.3
@@ -30,9 +30,9 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.\" $OpenBSD: malloc.3,v 1.46 2007/05/31 19:19:31 jmc Exp $
+.\" $OpenBSD: malloc.3,v 1.47 2007/08/08 21:24:29 millert Exp $
.\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: August 8 2007 $
.Dt MALLOC 3
.Os
.Sh NAME
@@ -100,7 +100,7 @@ If
.Fn malloc
must be used, be sure to test for overflow:
.Bd -literal -offset indent
-if (num && SIZE_MAX / num < size) {
+if (size && num > SIZE_MAX / size) {
errno = ENOMEM;
err(1, "overflow");
}