1 /* 2 * Check decoding of utime syscall. 3 * 4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org> 5 * Copyright (c) 2015-2017 The strace developers. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "tests.h" 32 #include <asm/unistd.h> 33 34 #ifdef __NR_utime 35 36 # include <time.h> 37 # include <utime.h> 38 # include <errno.h> 39 # include <stdio.h> 40 # include <unistd.h> 41 42 static long 43 k_utime(const void *const filename, const void *const times) 44 { 45 return syscall(__NR_utime, filename, times); 46 } 47 48 int 49 main(void) 50 { 51 static const char *const dummy_str = "dummy filename"; 52 53 const time_t t = 1492350678; 54 const struct utimbuf u = { .actime = t, .modtime = t }; 55 const struct utimbuf *const tail_u = tail_memdup(&u, sizeof(u)); 56 const char *const dummy_filename = 57 tail_memdup(dummy_str, sizeof(dummy_str) - 1); 58 59 long rc = k_utime("", NULL); 60 printf("utime(\"\", NULL) = %s\n", sprintrc(rc)); 61 62 rc = k_utime(dummy_filename + sizeof(dummy_str), tail_u + 1); 63 printf("utime(%p, %p) = %s\n", dummy_filename + sizeof(dummy_str), 64 tail_u + 1, sprintrc(rc)); 65 66 rc = k_utime(dummy_filename, (struct tm *) tail_u + 1); 67 printf("utime(%p, %p) = %s\n", 68 dummy_filename, (struct tm *) tail_u + 1, sprintrc(rc)); 69 70 rc = k_utime("utime\nfilename", tail_u); 71 const char *errstr = sprintrc(rc); 72 printf("utime(\"utime\\nfilename\", {actime=%lld", (long long) t); 73 print_time_t_nsec(t, 0, 1); 74 printf(", modtime=%lld", (long long) t); 75 print_time_t_nsec(t, 0, 1); 76 printf("}) = %s\n", errstr); 77 78 puts("+++ exited with 0 +++"); 79 return 0; 80 } 81 82 #else 83 84 SKIP_MAIN_UNDEFINED("__NR_utime") 85 86 #endif 87
