From c889ffdbc6329f21d2437b3c3d17eba0960969fc Mon Sep 17 00:00:00 2001 From: Darren Tucker Date: Thu, 17 Aug 2006 19:40:35 +1000 Subject: - (dtucker) [openbsd-compat/regress/{Makefile.in,closefromtest.c}] Regress test for closefrom() in compat code. --- openbsd-compat/regress/closefromtest.c | 60 ++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 openbsd-compat/regress/closefromtest.c (limited to 'openbsd-compat/regress/closefromtest.c') diff --git a/openbsd-compat/regress/closefromtest.c b/openbsd-compat/regress/closefromtest.c new file mode 100644 index 000000000..feb1b567d --- /dev/null +++ b/openbsd-compat/regress/closefromtest.c @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2006 Darren Tucker + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +#include + +#include +#include +#include +#include + +#define NUM_OPENS 10 + +void +fail(char *msg) +{ + fprintf(stderr, "closefrom: %s\n", msg); + exit(1); +} + +int +main(void) +{ + int i, max, fds[NUM_OPENS]; + char buf[512]; + + for (i = 0; i < NUM_OPENS; i++) + if ((fds[i] = open("/dev/null", "r")) == -1) + exit(0); /* can't test */ + max = i - 1; + + /* should close last fd only */ + closefrom(fds[max]); + if (close(fds[max]) != -1) + fail("failed to close highest fd"); + + /* make sure we can still use remaining descriptors */ + for (i = 0; i < max; i++) + if (read(fds[i], buf, sizeof(buf)) == -1) + fail("closed descriptors it should not have"); + + /* should close all fds */ + closefrom(fds[0]); + for (i = 0; i < NUM_OPENS; i++) + if (close(fds[i]) != -1) + fail("failed to close from lowest fd"); +} -- cgit v1.2.3