1 /*- 2 * Copyright (c) 2014 Michihiro NAKAJIMA 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 #include "test.h" 26 __FBSDID("$FreeBSD$"); 27 28 DEFINE_TEST(test_option_lz4) 29 { 30 char *p; 31 int r; 32 size_t s; 33 34 /* Create a file. */ 35 assertMakeFile("f", 0644, "a"); 36 37 /* Archive it with lz4 compression. */ 38 r = systemf("echo f | %s -o --lz4 >archive.out 2>archive.err", 39 testprog); 40 p = slurpfile(&s, "archive.err"); 41 p[s] = '\0'; 42 if (r != 0) { 43 if (strstr(p, "compression not available") != NULL) { 44 skipping("This version of bsdcpio was compiled " 45 "without lz4 support"); 46 free(p); 47 return; 48 } 49 /* POSIX permits different handling of the spawnp 50 * system call used to launch the subsidiary 51 * program: */ 52 /* Some systems fail immediately to spawn the new process. */ 53 if (strstr(p, "Can't launch") != NULL && !canLz4()) { 54 skipping("This version of bsdcpio uses an external lz4 program " 55 "but no such program is available on this system."); 56 free(p); 57 return; 58 } 59 /* Some systems successfully spawn the new process, 60 * but fail to exec a program within that process. 61 * This results in failure at the first attempt to 62 * write. */ 63 if (strstr(p, "Can't write") != NULL && !canLz4()) { 64 skipping("This version of bsdcpio uses an external lz4 program " 65 "but no such program is available on this system."); 66 free(p); 67 return; 68 } 69 /* On some systems the error won't be detected until closing 70 time, by a 127 exit error returned by waitpid. */ 71 if (strstr(p, "Error closing") != NULL && !canLz4()) { 72 skipping("This version of bsdcpio uses an external lz4 program " 73 "but no such program is available on this system."); 74 free(p); 75 return; 76 } 77 failure("--lz4 option is broken: %s", p); 78 free(p); 79 assertEqualInt(r, 0); 80 return; 81 } 82 free(p); 83 /* Check that the archive file has an lz4 signature. */ 84 p = slurpfile(&s, "archive.out"); 85 assert(s > 2); 86 assertEqualMem(p, "\x04\x22\x4d\x18", 4); 87 free(p); 88 } 89