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 27 DEFINE_TEST(test_option_zstd) 28 { 29 char *p; 30 int r; 31 size_t s; 32 33 /* Create a file. */ 34 assertMakeFile("f", 0644, "a"); 35 36 /* Archive it with lz4 compression. */ 37 r = systemf("%s -cf - --zstd f >archive.out 2>archive.err", 38 testprog); 39 p = slurpfile(&s, "archive.err"); 40 p[s] = '\0'; 41 if (r != 0) { 42 if (strstr(p, "Unsupported compression") != NULL) { 43 skipping("This version of bsdtar was compiled " 44 "without zstd support"); 45 goto done; 46 } 47 /* POSIX permits different handling of the spawnp 48 * system call used to launch the subsidiary 49 * program: */ 50 /* Some systems fail immediately to spawn the new process. */ 51 if (strstr(p, "Can't launch") != NULL && !canZstd()) { 52 skipping("This version of bsdtar uses an external zstd program " 53 "but no such program is available on this system."); 54 goto done; 55 } 56 /* Some systems successfully spawn the new process, 57 * but fail to exec a program within that process. 58 * This results in failure at the first attempt to 59 * write. */ 60 if (strstr(p, "Can't write") != NULL && !canZstd()) { 61 skipping("This version of bsdtar uses an external zstd program " 62 "but no such program is available on this system."); 63 goto done; 64 } 65 /* On some systems the error won't be detected until closing 66 time, by a 127 exit error returned by waitpid. */ 67 if (strstr(p, "Error closing") != NULL && !canZstd()) { 68 skipping("This version of bsdcpio uses an external zstd program " 69 "but no such program is available on this system."); 70 return; 71 } 72 failure("--zstd option is broken: %s", p); 73 assertEqualInt(r, 0); 74 goto done; 75 } 76 free(p); 77 /* Check that the archive file has an lz4 signature. */ 78 p = slurpfile(&s, "archive.out"); 79 assert(s > 2); 80 assertEqualMem(p, "\x28\xb5\x2f\xfd", 4); 81 82 done: 83 free(p); 84 } 85