tests/lib/libc/sys/t_posix_fallocate.c

   1 /*      $NetBSD: t_posix_fallocate.c,v 1.1 2015/01/31 23:06:57 christos Exp $   */
   2
   3 /*-
   4  * Copyright 2015, Google Inc. All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  *  * Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *  * 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  *  * Neither the name of Google nor the names of its contributors may
  16  *    be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __RCSID("$NetBSD: t_posix_fallocate.c,v 1.1 2015/01/31 23:06:57 christos Exp $");
  34
  35 #include <atf-c.h>
  36 #include <errno.h>
  37 #include <fcntl.h>
  38 #include <unistd.h>
  39
  40 ATF_TC_WITHOUT_HEAD(ebadf);
  41 ATF_TC_BODY(ebadf, tc)
  42 {
  43         int rc, saved;
  44
  45         errno = 1111;
  46         rc = posix_fallocate(-1, 0, 4096);
  47         saved = errno;
  48         if (rc == -1 && saved != 1111)
  49                 atf_tc_fail("Should return error %s without setting errno.",
  50                     strerror(saved));
  51         if (rc != EBADF)
  52                 atf_tc_fail("returned %s but expected %s.",
  53                     strerror(saved), strerror(EBADF));
  54         if (saved != 1111)
  55                 atf_tc_fail("errno should be %d but got changed to %d.",
  56                     1111, saved);
  57 }
  58
  59 ATF_TP_ADD_TCS(tp)
  60 {
  61         ATF_TP_ADD_TC(tp, ebadf);
  62         return atf_no_error();
  63 }