1 /* 2 * Check decoding of renameat2 syscall. 3 * 4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. 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 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "tests.h" 31 #include <asm/unistd.h> 32 #include "scno.h" 33 34 #ifdef __NR_renameat2 35 36 # include <stdio.h> 37 # include <unistd.h> 38 39 int 40 main(void) 41 { 42 static const char oldpath[] = "renameat2_oldpath"; 43 static const char newpath[] = "renameat2_newpath"; 44 const unsigned long olddirfd = 45 (unsigned long) 0xfacefeedffffffff; 46 const unsigned long newdirfd = 47 (unsigned long) 0xfacefeed00000000 | -100U; 48 49 long rc = syscall(__NR_renameat2, 50 olddirfd, oldpath, newdirfd, newpath, 1); 51 printf("renameat2(%d, \"%s\", AT_FDCWD, \"%s\", RENAME_NOREPLACE)" 52 " = %ld %s (%m)\n", 53 (int) olddirfd, oldpath, newpath, rc, errno2name()); 54 55 puts("+++ exited with 0 +++"); 56 return 0; 57 } 58 59 #else 60 61 SKIP_MAIN_UNDEFINED("__NR_renameat2") 62 63 #endif 64
