1 /* 2 * Check decoding of futimesat 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 33 #ifdef __NR_futimesat 34 35 # include <stdint.h> 36 # include <stdio.h> 37 # include <sys/time.h> 38 # include <unistd.h> 39 40 41 int 42 main(void) 43 { 44 struct timeval tv; 45 if (gettimeofday(&tv, NULL)) 46 perror_msg_and_fail("gettimeofday"); 47 48 static const char sample[] = "futimesat_sample"; 49 unsigned long dirfd = (unsigned long) 0xdeadbeef00000000ULL | -100U; 50 51 long rc = syscall(__NR_futimesat, dirfd, sample, 0); 52 printf("futimesat(AT_FDCWD, \"%s\", NULL) = %ld %s (%m)\n", 53 sample, rc, errno2name()); 54 55 struct timeval *const ts = tail_alloc(sizeof(*ts) * 2); 56 dirfd = (unsigned long) 0xdeadbeefffffffffULL; 57 58 ts[0].tv_sec = tv.tv_sec; 59 ts[0].tv_usec = tv.tv_usec; 60 ts[1].tv_sec = tv.tv_sec - 1; 61 ts[1].tv_usec = tv.tv_usec + 1; 62 63 rc = syscall(__NR_futimesat, dirfd, 0, ts + 2); 64 printf("futimesat(%d, NULL, %p) = %ld %s (%m)\n", 65 (int) dirfd, ts + 2, rc, errno2name()); 66 67 rc = syscall(__NR_futimesat, dirfd, 0, ts + 1); 68 printf("futimesat(%d, NULL, [{tv_sec=%jd, tv_usec=%jd}, %p]) = " 69 "%ld %s (%m)\n", (int) dirfd, 70 (intmax_t) ts[1].tv_sec, (intmax_t) ts[1].tv_usec, 71 ts + 2, rc, errno2name()); 72 73 (void) close(0); 74 rc = syscall(__NR_futimesat, 0, "", ts); 75 printf("futimesat(0, \"\", [{tv_sec=%jd, tv_usec=%jd}, " 76 "{tv_sec=%jd, tv_usec=%jd}]) = %ld %s (%m)\n", 77 (intmax_t) ts[0].tv_sec, (intmax_t) ts[0].tv_usec, 78 (intmax_t) ts[1].tv_sec, (intmax_t) ts[1].tv_usec, 79 rc, errno2name()); 80 81 puts("+++ exited with 0 +++"); 82 return 0; 83 } 84 85 #else 86 87 SKIP_MAIN_UNDEFINED("__NR_futimesat") 88 89 #endif 90
