Dmitry V. Levin
c422618120
* tests/tests.h (pipe_maxfd): New prototype. * tests/pipe_maxfd.c: New file. * tests/print_maxfd.c: Likewise. * tests/.gitignore: Add print_maxfd. * tests/Makefile.am (check_PROGRAMS): Likewise. (libtests_a_SOURCES): Add pipe_maxfd.c. * tests/readv.c (main): Use pipe_maxfd() instead of pipe(), fds[0] instead of 0, fds[1] instead of 1. * tests/readv.test: Use print_maxfd to specify dump descriptor numbers.
42 lines
1.7 KiB
C
42 lines
1.7 KiB
C
/*
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* Print the maximum descriptor number available.
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*
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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 <stdio.h>
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#include <sys/resource.h>
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int
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main(void)
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{
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int fds[2];
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pipe_maxfd(fds);
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printf("%d\n", fds[1]);
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return 0;
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}
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