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-rw-r--r--lib/libc_r/uthread/uthread_writev.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/libc_r/uthread/uthread_writev.c b/lib/libc_r/uthread/uthread_writev.c
index 411b3bc0238..be26356d2c9 100644
--- a/lib/libc_r/uthread/uthread_writev.c
+++ b/lib/libc_r/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;
+ }
}
/*