diff options
Diffstat (limited to '')
-rw-r--r-- | test/aftest.cc | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/test/aftest.cc b/test/aftest.cc new file mode 100644 index 0000000..5707c79 --- /dev/null +++ b/test/aftest.cc @@ -0,0 +1,63 @@ +/** + * Copyright (c) 2007-2012, Timothy Stack + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * * Neither the name of Timothy Stack nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <fcntl.h> +#include <stdio.h> +#include <unistd.h> + +#include "base/auto_fd.hh" + +void +foo(int* fd) +{ + *fd = 2; +} + +int +main(int argc, char* argv[]) +{ + { + auto_fd fd(open("/dev/null", O_WRONLY)); + auto_fd fd2; + + printf("1 fd %d\n", fd.get()); + fd = -1; + printf("2 fd %d\n", fd.get()); + + fd = open("/dev/null", O_WRONLY); + fd2 = fd; + printf("3 fd %d\n", fd.get()); + printf("4 fd2 %d\n", fd2.get()); + + foo(fd2.out()); + printf("5 fd2 %d\n", fd2.get()); + } + + printf("nfd %d\n", open("/dev/null", O_WRONLY)); +} |