1228753Smm/*- 2228753Smm * Copyright (c) 2003-2007 Tim Kientzle 3228753Smm * All rights reserved. 4228753Smm * 5228753Smm * Redistribution and use in source and binary forms, with or without 6228753Smm * modification, are permitted provided that the following conditions 7228753Smm * are met: 8228753Smm * 1. Redistributions of source code must retain the above copyright 9228753Smm * notice, this list of conditions and the following disclaimer. 10228753Smm * 2. Redistributions in binary form must reproduce the above copyright 11228753Smm * notice, this list of conditions and the following disclaimer in the 12228753Smm * documentation and/or other materials provided with the distribution. 13228753Smm * 14228753Smm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15228753Smm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16228753Smm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17228753Smm * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18228753Smm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19228753Smm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20228753Smm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21228753Smm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22228753Smm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23228753Smm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24228753Smm */ 25228753Smm#include "test.h" 26229592Smm__FBSDID("$FreeBSD$"); 27228753Smm 28228753SmmDEFINE_TEST(test_empty_write) 29228753Smm{ 30228753Smm char buff[32768]; 31228753Smm struct archive_entry *ae; 32228753Smm struct archive *a; 33228753Smm size_t used; 34228753Smm int r; 35228753Smm 36228753Smm /* 37228753Smm * Exercise a zero-byte write to a gzip-compressed archive. 38228753Smm */ 39228753Smm 40228753Smm /* Create a new archive in memory. */ 41228753Smm assert((a = archive_write_new()) != NULL); 42228753Smm assertA(0 == archive_write_set_format_ustar(a)); 43228753Smm r = archive_write_set_compression_gzip(a); 44228753Smm if (r == ARCHIVE_FATAL) { 45228753Smm skipping("Empty write to gzip-compressed archive"); 46228753Smm } else { 47228753Smm assertEqualIntA(a, ARCHIVE_OK, r); 48228753Smm assertEqualIntA(a, ARCHIVE_OK, 49228753Smm archive_write_open_memory(a, buff, sizeof(buff), &used)); 50228753Smm /* Write a file to it. */ 51228753Smm assert((ae = archive_entry_new()) != NULL); 52228753Smm archive_entry_copy_pathname(ae, "file"); 53228753Smm archive_entry_set_mode(ae, S_IFREG | 0755); 54228753Smm archive_entry_set_size(ae, 0); 55228753Smm assertA(0 == archive_write_header(a, ae)); 56228753Smm archive_entry_free(ae); 57228753Smm 58228753Smm /* THE TEST: write zero bytes to this entry. */ 59228753Smm /* This used to crash. */ 60228753Smm assertEqualIntA(a, 0, archive_write_data(a, "", 0)); 61228753Smm 62228753Smm /* Close out the archive. */ 63228753Smm assertA(0 == archive_write_close(a)); 64228753Smm assertA(0 == archive_write_finish(a)); 65228753Smm } 66228753Smm 67228753Smm /* 68228753Smm * Again, with bzip2 compression. 69228753Smm */ 70228753Smm 71228753Smm /* Create a new archive in memory. */ 72228753Smm assert((a = archive_write_new()) != NULL); 73228753Smm assertA(0 == archive_write_set_format_ustar(a)); 74228753Smm r = archive_write_set_compression_bzip2(a); 75228753Smm if (r == ARCHIVE_FATAL) { 76228753Smm skipping("Empty write to bzip2-compressed archive"); 77228753Smm } else { 78228753Smm assertEqualIntA(a, ARCHIVE_OK, r); 79228753Smm assertEqualIntA(a, ARCHIVE_OK, 80228753Smm archive_write_open_memory(a, buff, sizeof(buff), &used)); 81228753Smm /* Write a file to it. */ 82228753Smm assert((ae = archive_entry_new()) != NULL); 83228753Smm archive_entry_copy_pathname(ae, "file"); 84228753Smm archive_entry_set_mode(ae, S_IFREG | 0755); 85228753Smm archive_entry_set_size(ae, 0); 86228753Smm assertA(0 == archive_write_header(a, ae)); 87228753Smm archive_entry_free(ae); 88228753Smm 89228753Smm /* THE TEST: write zero bytes to this entry. */ 90228753Smm assertEqualIntA(a, 0, archive_write_data(a, "", 0)); 91228753Smm 92228753Smm /* Close out the archive. */ 93228753Smm assertA(0 == archive_write_close(a)); 94228753Smm assertA(0 == archive_write_finish(a)); 95228753Smm } 96228753Smm 97228753Smm /* 98228753Smm * For good measure, one more time with no compression. 99228753Smm */ 100228753Smm 101228753Smm /* Create a new archive in memory. */ 102228753Smm assert((a = archive_write_new()) != NULL); 103228753Smm assertA(0 == archive_write_set_format_ustar(a)); 104228753Smm assertA(0 == archive_write_set_compression_none(a)); 105228753Smm assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used)); 106228753Smm /* Write a file to it. */ 107228753Smm assert((ae = archive_entry_new()) != NULL); 108228753Smm archive_entry_copy_pathname(ae, "file"); 109228753Smm archive_entry_set_mode(ae, S_IFREG | 0755); 110228753Smm archive_entry_set_size(ae, 0); 111228753Smm assertA(0 == archive_write_header(a, ae)); 112228753Smm archive_entry_free(ae); 113228753Smm 114228753Smm /* THE TEST: write zero bytes to this entry. */ 115228753Smm assertEqualIntA(a, 0, archive_write_data(a, "", 0)); 116228753Smm 117228753Smm /* Close out the archive. */ 118228753Smm assertA(0 == archive_write_close(a)); 119228753Smm assertA(0 == archive_write_finish(a)); 120228753Smm} 121