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79 lines
2.4 KiB
79 lines
2.4 KiB
/* |
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* Check decoding of sethostname syscall. |
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* |
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* Copyright (c) 2016 Fei Jie <feij.fnst@cn.fujitsu.com> |
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "tests.h" |
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#include <asm/unistd.h> |
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#ifdef __NR_sethostname |
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# include <stdio.h> |
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# include <unistd.h> |
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#ifdef HAVE_LINUX_UTSNAME_H |
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# include <linux/utsname.h> |
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#endif |
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#ifndef __NEW_UTS_LEN |
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# define __NEW_UTS_LEN 64 |
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#endif |
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int |
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main(void) |
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{ |
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kernel_ulong_t len; |
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long rc; |
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len = __NEW_UTS_LEN; |
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rc = syscall(__NR_sethostname, 0, len); |
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printf("sethostname(NULL, %u) = %s\n", |
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(unsigned) len, sprintrc(rc)); |
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if (F8ILL_KULONG_MASK) { |
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len |= F8ILL_KULONG_MASK; |
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rc = syscall(__NR_sethostname, 0, len); |
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printf("sethostname(NULL, %u) = %s\n", |
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(unsigned) len, sprintrc(rc)); |
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} |
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len = __NEW_UTS_LEN + 1; |
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void *const p = tail_alloc(len); |
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rc = syscall(__NR_sethostname, p, len); |
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printf("sethostname(%p, %u) = %s\n", |
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p, (unsigned) len, sprintrc(rc)); |
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puts("+++ exited with 0 +++"); |
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return 0; |
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} |
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#else |
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SKIP_MAIN_UNDEFINED("__NR_sethostname") |
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#endif
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