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if getsockopt() returns a buffer size of <= 0, set them to 8192.

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this works around a problem in certain OS from Sun with a version < 5.6...
This commit is contained in:
lukem 1999-09-24 06:14:40 +00:00
parent e73d848293
commit cb8c56db8a
1 changed files with 12 additions and 7 deletions
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19
usr.bin/ftp/main.c
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@ -1,4 +1,4 @@
/* $NetBSD: main.c,v 1.50 1999/09/22 07:18:36 lukem Exp $ */
/* $NetBSD: main.c,v 1.51 1999/09/24 06:14:40 lukem Exp $ */
/*
* Copyright (C) 1997 and 1998 WIDE Project.
@ -72,7 +72,7 @@ __COPYRIGHT("@(#) Copyright (c) 1985, 1989, 1993, 1994\n\
#if 0
static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 10/9/94";
#else
__RCSID("$NetBSD: main.c,v 1.50 1999/09/22 07:18:36 lukem Exp $");
__RCSID("$NetBSD: main.c,v 1.51 1999/09/24 06:14:40 lukem Exp $");
#endif
#endif /* not lint */
@ -158,15 +158,20 @@ main(argc, argv)
s = socket(AF_INET, SOCK_STREAM, 0);
if (s == -1)
err(1, "can't create socket");
len = sizeof(sndbuf_size);
if (getsockopt(s, SOL_SOCKET, SO_SNDBUF, (void *) &sndbuf_size, &len)
< 0)
err(1, "unable to get default sndbuf size");
len = sizeof(rcvbuf_size);
if (getsockopt(s, SOL_SOCKET, SO_RCVBUF, (void *) &rcvbuf_size, &len)
< 0)
err(1, "unable to get default rcvbuf size");
close(s);
len = sizeof(sndbuf_size);
if (getsockopt(s, SOL_SOCKET, SO_SNDBUF, (void *) &sndbuf_size, &len)
< 0)
err(1, "unable to get default sndbuf size");
(void)close(s);
/* sanity check returned buffer sizes */
if (rcvbuf_size <= 0)
rcvbuf_size = 8192;
if (sndbuf_size <= 0)
sndbuf_size = 8192;
marg_sl = sl_init();
if ((tmpdir = getenv("TMPDIR")) == NULL)