1 /* 2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@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_truncate 32 33 # include <stdio.h> 34 # include <unistd.h> 35 36 int 37 main(void) 38 { 39 static const char fname[] = "truncate\nfilename"; 40 static const char qname[] = "truncate\\nfilename"; 41 const kernel_ulong_t len = (kernel_ulong_t) 0xdefaced0badc0deULL; 42 long rc; 43 44 if (sizeof(len) > sizeof(long)) 45 rc = truncate(fname, len); 46 else 47 rc = syscall(__NR_truncate, fname, len); 48 49 printf("truncate(\"%s\", %llu) = %ld %s (%m)\n", 50 qname, (unsigned long long) len, rc, errno2name()); 51 52 puts("+++ exited with 0 +++"); 53 return 0; 54 } 55 56 #else 57 58 SKIP_MAIN_UNDEFINED("__NR_truncate") 59 60 #endif 61