mirror of
https://github.com/tstack/lnav
synced 2024-11-09 19:10:52 +00:00
84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
/**
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* Copyright (c) 2007-2012, Timothy Stack
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*
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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 are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY 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 THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "auto_fd.hh"
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int main(int argc, char *argv[])
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{
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int retval = EXIT_SUCCESS;
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auto_fd fd1, fd2;
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int tmp;
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assert(fd1 == -1);
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tmp = open("/dev/null", O_RDONLY);
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assert(tmp != -1);
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fd1 = tmp;
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fd1 = tmp;
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assert(fcntl(tmp, F_GETFL) >= 0);
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fd1 = fd2;
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assert(fcntl(tmp, F_GETFL) == -1);
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assert(errno == EBADF);
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assert(fd1 == -1);
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tmp = open("/dev/null", O_RDONLY);
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assert(tmp != -1);
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fd1 = tmp;
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*fd1.out() = STDOUT_FILENO;
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assert(fcntl(tmp, F_GETFL) == -1);
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assert(errno == EBADF);
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{
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auto_fd fd_cp(const_cast<const auto_fd &>(fd1));
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assert(fd1 == STDOUT_FILENO);
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assert(fd_cp != STDOUT_FILENO);
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assert(fd_cp != -1);
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tmp = (int)fd_cp;
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}
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{
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auto_fd fd_cp(const_cast<const auto_fd &>(fd1));
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assert(fd_cp == tmp);
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}
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assert(fd1.release() == STDOUT_FILENO);
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assert(fd1 == -1);
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return retval;
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}
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