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| author |   fgsch <fgsch@openbsd.org> | 2001-08-11 14:56:07 +0000 |
|---|---|---|
| committer | fgsch <fgsch@openbsd.org> | 2001-08-11 14:56:07 +0000 |
| commit | 94ec0ab3c0c38236472e45a6dbb2e2bff58d6d30 (patch) | |
| tree | 00880576d679f1d1981c68e4ad1dc2f926c59d4d /lib/libpthread/uthread | |
| parent | Add support for ICMP errors referring to ICMP queries/replies. Fixes (diff) | |
| download | wireguard-openbsd-94ec0ab3c0c38236472e45a6dbb2e2bff58d6d30.tar.xz wireguard-openbsd-94ec0ab3c0c38236472e45a6dbb2e2bff58d6d30.zip | |
Avoid an infinite loop if the last iov_len is 0; from FreeBSD.
Diffstat (limited to 'lib/libpthread/uthread')
| -rw-r--r-- | lib/libpthread/uthread/uthread_writev.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/libpthread/uthread/uthread_writev.c b/lib/libpthread/uthread/uthread_writev.c index 411b3bc0238..be26356d2c9 100644 --- a/lib/libpthread/uthread/uthread_writev.c +++ b/lib/libpthread/uthread/uthread_writev.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uthread_writev.c,v 1.3 1999/11/25 07:01:47 d Exp $ */ +/* $OpenBSD: uthread_writev.c,v 1.4 2001/08/11 14:56:07 fgsch Exp $ */ /* * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au> * All rights reserved. @@ -137,6 +137,18 @@ writev(int fd, const struct iovec * iov, int iovcnt) cnt = 0; } } + } else if (n == 0) { + /* + * Avoid an infinite loop if the last iov_len is + * 0. + */ + while (idx < iovcnt && p_iov[idx].iov_len == 0) + idx++; + + if (idx == iovcnt) { + ret = num; + break; + } } /* |