1 /*- 2 * Copyright (c) 2017 Sean Purcell 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_zstd) 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("%s -cf - --zstd f >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, "Unsupported compression") != NULL) { 44 skipping("This version of bsdtar was compiled " 45 "without zstd support"); 46 goto done; 47 } 48 /* POSIX permits different handling of the spawnp 49 * system call used to launch the subsidiary 50 * program: */ 51 /* Some systems fail immediately to spawn the new process. */ 52 if (strstr(p, "Can't launch") != NULL && !canZstd()) { 53 skipping("This version of bsdtar uses an external zstd program " 54 "but no such program is available on this system."); 55 goto done; 56 } 57 /* Some systems successfully spawn the new process, 58 * but fail to exec a program within that process. 59 * This results in failure at the first attempt to 60 * write. */ 61 if (strstr(p, "Can't write") != NULL && !canZstd()) { 62 skipping("This version of bsdtar uses an external zstd program " 63 "but no such program is available on this system."); 64 goto done; 65 } 66 /* On some systems the error won't be detected until closing 67 time, by a 127 exit error returned by waitpid. */ 68 if (strstr(p, "Error closing") != NULL && !canZstd()) { 69 skipping("This version of bsdcpio uses an external zstd program " 70 "but no such program is available on this system."); 71 return; 72 } 73 failure("--zstd option is broken: %s", p); 74 assertEqualInt(r, 0); 75 goto done; 76 } 77 free(p); 78 /* Check that the archive file has an lz4 signature. */ 79 p = slurpfile(&s, "archive.out"); 80 assert(s > 2); 81 assertEqualMem(p, "\x28\xb5\x2f\xfd", 4); 82 83 done: 84 free(p); 85 } 86