1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2003-2008 Tim Kientzle 5 * All rights reserved. 6 */ 7 #include "test.h" 8 #if defined(HAVE_UTIME_H) 9 #include <utime.h> 10 #elif defined(HAVE_SYS_UTIME_H) 11 #include <sys/utime.h> 12 #endif 13 14 static struct { 15 const char *name; 16 time_t atime_sec; 17 } files[] = { 18 { "f0", 0 }, 19 { "f1", 0 }, 20 { "f2", 0 }, 21 { "f3", 0 }, 22 { "f4", 0 }, 23 { "f5", 0 } 24 }; 25 26 /* 27 * Create a bunch of test files and record their atimes. 28 * For the atime preserve/change tests, the files must have 29 * atimes in the past. We can accomplish this by explicitly invoking 30 * utime() on platforms that support it or by simply sleeping 31 * for a second after creating the files. (Creating all of the files 32 * at once means we only need to sleep once.) 33 */ 34 static void 35 test_create(void) 36 { 37 struct stat st; 38 struct utimbuf times; 39 static const int numfiles = sizeof(files) / sizeof(files[0]); 40 int i; 41 42 for (i = 0; i < numfiles; ++i) { 43 /* 44 * Note: Have to write at least one byte to the file. 45 * cpio doesn't bother reading the file if it's zero length, 46 * so the atime never gets changed in that case, which 47 * makes the tests below rather pointless. 48 */ 49 assertMakeFile(files[i].name, 0644, "a"); 50 51 /* If utime() isn't supported on your platform, just 52 * #ifdef this section out. Most of the test below is 53 * still valid. */ 54 memset(×, 0, sizeof(times)); 55 #if defined(_WIN32) && !defined(CYGWIN) 56 times.actime = 86400; 57 times.modtime = 86400; 58 #else 59 times.actime = 1; 60 times.modtime = 3; 61 #endif 62 assertEqualInt(0, utime(files[i].name, ×)); 63 64 /* Record whatever atime the file ended up with. */ 65 /* If utime() is available, this should be 1, but there's 66 * no harm in being careful. */ 67 assertEqualInt(0, stat(files[i].name, &st)); 68 files[i].atime_sec = st.st_atime; 69 } 70 71 /* Wait until the atime on the last file is actually in the past. */ 72 sleepUntilAfter(files[numfiles - 1].atime_sec); 73 } 74 75 DEFINE_TEST(test_option_a) 76 { 77 struct stat st; 78 int r; 79 char *p; 80 81 /* Create all of the test files. */ 82 test_create(); 83 84 /* Sanity check; verify that atimes really do get modified. */ 85 p = slurpfile(NULL, "f0"); 86 assert(p != NULL); 87 free(p); 88 assertEqualInt(0, stat("f0", &st)); 89 if (st.st_atime == files[0].atime_sec) { 90 skipping("Cannot verify -a option\n" 91 " Your system appears to not support atime."); 92 } 93 else 94 { 95 /* 96 * If this disk is mounted noatime, then we can't 97 * verify correct operation without -a. 98 */ 99 100 /* Copy the file without -a; should change the atime. */ 101 r = systemf("echo %s | %s -pd copy-no-a > copy-no-a.out 2>copy-no-a.err", files[1].name, testprog); 102 assertEqualInt(r, 0); 103 assertTextFileContents("1 block\n", "copy-no-a.err"); 104 assertEmptyFile("copy-no-a.out"); 105 assertEqualInt(0, stat(files[1].name, &st)); 106 failure("Copying file without -a should have changed atime."); 107 assert(st.st_atime != files[1].atime_sec); 108 109 /* Archive the file without -a; should change the atime. */ 110 r = systemf("echo %s | %s -o > archive-no-a.out 2>archive-no-a.err", files[2].name, testprog); 111 assertEqualInt(r, 0); 112 assertTextFileContents("1 block\n", "copy-no-a.err"); 113 assertEqualInt(0, stat(files[2].name, &st)); 114 failure("Archiving file without -a should have changed atime."); 115 assert(st.st_atime != files[2].atime_sec); 116 } 117 118 /* 119 * We can, of course, still verify that the atime is unchanged 120 * when using the -a option. 121 */ 122 123 /* Copy the file with -a; should not change the atime. */ 124 r = systemf("echo %s | %s -pad copy-a > copy-a.out 2>copy-a.err", 125 files[3].name, testprog); 126 assertEqualInt(r, 0); 127 assertTextFileContents("1 block\n", "copy-a.err"); 128 assertEmptyFile("copy-a.out"); 129 assertEqualInt(0, stat(files[3].name, &st)); 130 failure("Copying file with -a should not have changed atime."); 131 assertEqualInt(st.st_atime, files[3].atime_sec); 132 133 /* Archive the file with -a; should not change the atime. */ 134 r = systemf("echo %s | %s -oa > archive-a.out 2>archive-a.err", 135 files[4].name, testprog); 136 assertEqualInt(r, 0); 137 assertTextFileContents("1 block\n", "copy-a.err"); 138 assertEqualInt(0, stat(files[4].name, &st)); 139 failure("Archiving file with -a should not have changed atime."); 140 assertEqualInt(st.st_atime, files[4].atime_sec); 141 } 142