| Dmitry V. Levin | 33fc2e4 | 2016-04-26 15:35:57 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Check decoding of utimes syscall. |
| 3 | * |
| 4 | * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@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 <sys/syscall.h> |
| 32 | |
| 33 | #ifdef __NR_utimes |
| 34 | |
| 35 | # include <stdio.h> |
| 36 | # include <sys/time.h> |
| 37 | # include <unistd.h> |
| 38 | |
| 39 | #define CAST_NUM(n) \ |
| 40 | (sizeof(n) == sizeof(long) ? \ |
| 41 | (unsigned long long) (unsigned long) (n) : \ |
| 42 | (unsigned long long) (n)) |
| 43 | |
| 44 | int |
| 45 | main(void) |
| 46 | { |
| 47 | struct timeval tv; |
| 48 | if (gettimeofday(&tv, NULL)) |
| 49 | perror_msg_and_fail("gettimeofday"); |
| 50 | |
| 51 | static const char sample[] = "utimes_sample"; |
| 52 | |
| 53 | long rc = syscall(__NR_utimes, sample, 0); |
| 54 | printf("utimes(\"%s\", NULL) = %ld %s (%m)\n", |
| 55 | sample, rc, errno2name()); |
| 56 | |
| 57 | struct timeval *const ts = tail_alloc(sizeof(*ts) * 2); |
| 58 | (void) tail_alloc(1); |
| 59 | |
| 60 | rc = syscall(__NR_utimes, 0, ts + 1); |
| 61 | printf("utimes(NULL, %p) = %ld %s (%m)\n", |
| 62 | ts + 1, rc, errno2name()); |
| 63 | |
| 64 | ts[0].tv_sec = tv.tv_sec; |
| 65 | ts[0].tv_usec = tv.tv_usec; |
| 66 | ts[1].tv_sec = tv.tv_sec - 1; |
| 67 | ts[1].tv_usec = tv.tv_usec + 1; |
| 68 | |
| 69 | rc = syscall(__NR_utimes, "", ts); |
| 70 | printf("utimes(\"\", [{%llu, %llu}, {%llu, %llu}])" |
| 71 | " = %ld %s (%m)\n", |
| 72 | CAST_NUM(ts[0].tv_sec), CAST_NUM(ts[0].tv_usec), |
| 73 | CAST_NUM(ts[1].tv_sec), CAST_NUM(ts[1].tv_usec), |
| 74 | rc, errno2name()); |
| 75 | |
| 76 | puts("+++ exited with 0 +++"); |
| 77 | return 0; |
| 78 | } |
| 79 | |
| 80 | #else |
| 81 | |
| 82 | SKIP_MAIN_UNDEFINED("__NR_utimes") |
| 83 | |
| 84 | #endif |