1#!/bin/sh 2 3# 4# Copyright (c) 2013 EMC Corp. 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Regression test for r234131. 30 31. ../default.cfg 32 33dir=/tmp 34odir=`pwd` 35cd $dir 36sed '1,/^EOF/d' < $odir/$0 > $dir/dup2.c 37mycc -o dup2 -Wall -Wextra dup2.c || exit 1 38rm -f dup2.c 39cd $odir 40 41/tmp/dup2 || { echo FAIL; exit 1; } 42 43rm -f /tmp/dup2 44exit 0 45 46EOF 47#include <err.h> 48#include <errno.h> 49#include <stdlib.h> 50#include <unistd.h> 51 52int 53main(void) 54{ 55 int error, fd2, i; 56 57 error = 0; 58 for (i = 0; i < 10000; i++) { 59 fd2 = arc4random() % 1000000; 60 if (dup2(1, fd2) == -1) { 61 if (errno != EBADF) { 62 warn("dup2(1, %d)", fd2); 63 error = 1; 64 break; 65 } 66 } else 67 close(fd2); 68 } 69 70 return (error); 71} 72