1 /* 2 * Check decoding of utime 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_utime 34 35 # include <time.h> 36 # include <utime.h> 37 # include <errno.h> 38 # include <stdio.h> 39 # include <unistd.h> 40 41 42 static void 43 print_tm(const struct tm * const p) 44 { 45 char buf[256]; 46 47 strftime(buf, sizeof(buf), "%FT%T%z", p); 48 49 printf("%s", buf); 50 } 51 52 static long 53 k_utime(const void *const filename, const void *const times) 54 { 55 return syscall(__NR_utime, filename, times); 56 } 57 58 int 59 main(void) 60 { 61 static const char *const dummy_str = "dummy filename"; 62 63 const time_t t = time(NULL); 64 const struct tm * const p = localtime(&t); 65 const struct utimbuf u = { .actime = t, .modtime = t }; 66 const struct utimbuf *const tail_u = tail_memdup(&u, sizeof(u)); 67 const char *const dummy_filename = 68 tail_memdup(dummy_str, sizeof(dummy_str) - 1); 69 70 long rc = k_utime("", NULL); 71 printf("utime(\"\", NULL) = %s\n", sprintrc(rc)); 72 73 rc = k_utime(dummy_filename + sizeof(dummy_str), tail_u + 1); 74 printf("utime(%p, %p) = %s\n", dummy_filename + sizeof(dummy_str), 75 tail_u + 1, sprintrc(rc)); 76 77 rc = k_utime(dummy_filename, (struct tm *) tail_u + 1); 78 printf("utime(%p, %p) = %s\n", 79 dummy_filename, (struct tm *) tail_u + 1, sprintrc(rc)); 80 81 rc = k_utime("utime\nfilename", tail_u); 82 const char *errstr = sprintrc(rc); 83 printf("utime(\"utime\\nfilename\", {actime="); 84 print_tm(p); 85 printf(", modtime="); 86 print_tm(p); 87 printf("}) = %s\n", errstr); 88 89 puts("+++ exited with 0 +++"); 90 return 0; 91 } 92 93 #else 94 95 SKIP_MAIN_UNDEFINED("__NR_utime") 96 97 #endif 98
