granicus.if.org Git - strace/blob - tests/renameat2.c

   1 /*
   2  * Check decoding of renameat2 syscall.
   3  *
   4  * Copyright (c) 2015-2018 Dmitry V. Levin <ldv@altlinux.org>
   5  * All rights reserved.
   6  *
   7  * SPDX-License-Identifier: GPL-2.0-or-later
   8  */
   9
  10 #include "tests.h"
  11 #include <asm/unistd.h>
  12 #include "scno.h"
  13
  14 #ifdef __NR_renameat2
  15
  16 # include <stdio.h>
  17 # include <unistd.h>
  18
  19 int
  20 main(void)
  21 {
  22         static const char oldpath[] = "renameat2_oldpath";
  23         static const char newpath[] = "renameat2_newpath";
  24         const unsigned long olddirfd =
  25                 (unsigned long) 0xfacefeedffffffff;
  26         const unsigned long newdirfd =
  27                 (unsigned long) 0xfacefeed00000000 | -100U;
  28
  29         long rc = syscall(__NR_renameat2,
  30                           olddirfd, oldpath, newdirfd, newpath, 1);
  31         printf("renameat2(%d, \"%s\", AT_FDCWD, \"%s\", RENAME_NOREPLACE)"
  32                " = %ld %s (%m)\n",
  33                (int) olddirfd, oldpath, newpath, rc, errno2name());
  34
  35         puts("+++ exited with 0 +++");
  36         return 0;
  37 }
  38
  39 #else
  40
  41 SKIP_MAIN_UNDEFINED("__NR_renameat2")
  42
  43 #endif