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2001-06-06 Roland McGrath <roland@frob.com>

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* sysdeps/mach/hurd/getsockopt.c: Fix handling of returned buffer size.
	From Robert Bihlmeyer <robbe@orcus.priv.at>.
This commit is contained in:
Roland McGrath 2001-06-07 03:35:22 +00:00
parent eb12749a92
commit d652f6b8cb
1 changed files with 3 additions and 3 deletions
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6
sysdeps/mach/hurd/getsockopt.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1992, 1994, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1992,94,97,2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -45,10 +45,10 @@ getsockopt (fd, level, optname, optval, optlen)
&buf, &buflen)))
return __hurd_dfail (fd, err);
if (*optlen > buflen)
*optlen = buflen;
if (buf != optval)
{
if (*optlen < buflen)
*optlen = buflen;
memcpy (optval, buf, *optlen);
__vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
}