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t_write.c revision 1.1 
      1 /* $NetBSD: t_write.c,v 1.1 2011/10/15 06:50:52 jruoho Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2001, 2008 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __COPYRIGHT("@(#) Copyright (c) 2008\
     31  The NetBSD Foundation, inc. All rights reserved.");
     32 __RCSID("$NetBSD: t_write.c,v 1.1 2011/10/15 06:50:52 jruoho Exp $");
     33 
     34 #include <sys/uio.h>
     35 #include <sys/syslimits.h>
     36 
     37 #include <atf-c.h>
     38 #include <errno.h>
     39 #include <stdio.h>
     40 #include <string.h>
     41 #include <unistd.h>
     42 
     43 ATF_TC(writev_iovmax);
     44 ATF_TC_HEAD(writev_iovmax, tc)
     45 {
     46 	atf_tc_set_md_var(tc, "timeout", "10");
     47 	atf_tc_set_md_var(tc, "descr",
     48 	    "Checks that file descriptor is properly FILE_UNUSE()d "
     49 	    "when iovcnt is greater than IOV_MAX");
     50 }
     51 
     52 ATF_TC_BODY(writev_iovmax, tc)
     53 {
     54 	ssize_t retval;
     55 
     56 	(void)printf("Calling writev(2, NULL, IOV_MAX + 1)...\n");
     57 
     58 	errno = 0;
     59 	retval = writev(2, NULL, IOV_MAX + 1);
     60 
     61 	ATF_REQUIRE_EQ_MSG(retval, -1, "got: %zd", retval);
     62 	ATF_REQUIRE_EQ_MSG(errno, EINVAL, "got: %s", strerror(errno));
     63 }
     64 
     65 ATF_TP_ADD_TCS(tp)
     66 {
     67 	ATF_TP_ADD_TC(tp, writev_iovmax);
     68 
     69 	return atf_no_error();
     70 }
     71