Home | History | Annotate | Download | only in tests
      1 /*
      2  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org>
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. The name of the author may not be used to endorse or promote products
     14  *    derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include "tests.h"
     29 #include <asm/unistd.h>
     30 
     31 #ifdef __NR_ftruncate
     32 
     33 # include <stdio.h>
     34 # include <unistd.h>
     35 
     36 int
     37 main(void)
     38 {
     39 	const kernel_ulong_t len = (kernel_ulong_t) 0xdefaced0badc0deULL;
     40 	long rc;
     41 
     42 	if (sizeof(len) > sizeof(long))
     43 		rc = ftruncate(-1, len);
     44 	else
     45 		rc = syscall(__NR_ftruncate, -1L, len);
     46 
     47 	printf("ftruncate(-1, %llu) = %ld %s (%m)\n",
     48 	       (unsigned long long) len, rc, errno2name());
     49 
     50 	puts("+++ exited with 0 +++");
     51 	return 0;
     52 }
     53 
     54 #else
     55 
     56 SKIP_MAIN_UNDEFINED("__NR_ftruncate")
     57 
     58 #endif
     59