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+/*-
+ * Copyright (c) 2003-2007 Tim Kientzle
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "test.h"
+__FBSDID("$FreeBSD: head/lib/libarchive/test/test_read_data_large.c 201247 2009-12-30 05:59:21Z kientzle $");
+
+/*
+ * Test read/write of a 10M block of data in a single operation.
+ * Uses an in-memory archive with a single 10M entry. Exercises
+ * archive_read_data() to ensure it can handle large blocks like
+ * this and also exercises archive_read_data_into_fd() (which
+ * had a bug relating to this, fixed in Nov 2006).
+ */
+
+#if defined(_WIN32) && !defined(__CYGWIN__)
+#define open _open
+#define close _close
+#endif
+
+char buff1[11000000];
+char buff2[10000000];
+char buff3[10000000];
+
+DEFINE_TEST(test_read_data_large)
+{
+ struct archive_entry *ae;
+ struct archive *a;
+ char tmpfilename[] = "largefile";
+ int tmpfilefd;
+ FILE *f;
+ unsigned int i;
+ size_t used;
+
+ /* Create a new archive in memory. */
+ assert((a = archive_write_new()) != NULL);
+ assertA(0 == archive_write_set_format_ustar(a));
+ assertA(0 == archive_write_set_compression_none(a));
+ assertA(0 == archive_write_open_memory(a, buff1, sizeof(buff1), &used));
+
+ /*
+ * Write a file (with random contents) to it.
+ */
+ assert((ae = archive_entry_new()) != NULL);
+ archive_entry_copy_pathname(ae, "file");
+ archive_entry_set_mode(ae, S_IFREG | 0755);
+ for (i = 0; i < sizeof(buff2); i++)
+ buff2[i] = (unsigned char)rand();
+ archive_entry_set_size(ae, sizeof(buff2));
+ assertA(0 == archive_write_header(a, ae));
+ archive_entry_free(ae);
+ assertA((int)sizeof(buff2) == archive_write_data(a, buff2, sizeof(buff2)));
+
+ /* Close out the archive. */
+ assertA(0 == archive_write_close(a));
+#if ARCHIVE_VERSION_NUMBER < 2000000
+ archive_write_finish(a);
+#else
+ assertA(0 == archive_write_finish(a));
+#endif
+
+ /* Check that archive_read_data can handle 10*10^6 at a pop. */
+ assert((a = archive_read_new()) != NULL);
+ assertA(0 == archive_read_support_format_all(a));
+ assertA(0 == archive_read_support_compression_all(a));
+ assertA(0 == archive_read_open_memory(a, buff1, sizeof(buff1)));
+ assertA(0 == archive_read_next_header(a, &ae));
+ failure("Wrote 10MB, but didn't read the same amount");
+ assertEqualIntA(a, sizeof(buff2),archive_read_data(a, buff3, sizeof(buff3)));
+ failure("Read expected 10MB, but data read didn't match what was written");
+ assert(0 == memcmp(buff2, buff3, sizeof(buff3)));
+ assert(0 == archive_read_close(a));
+#if ARCHIVE_VERSION_NUMBER < 2000000
+ archive_read_finish(a);
+#else
+ assert(0 == archive_read_finish(a));
+#endif
+
+ /* Check archive_read_data_into_fd */
+ assert((a = archive_read_new()) != NULL);
+ assertA(0 == archive_read_support_format_all(a));
+ assertA(0 == archive_read_support_compression_all(a));
+ assertA(0 == archive_read_open_memory(a, buff1, sizeof(buff1)));
+ assertA(0 == archive_read_next_header(a, &ae));
+#if defined(__BORLANDC__)
+ tmpfilefd = open(tmpfilename, O_WRONLY | O_CREAT | O_BINARY);
+#else
+ tmpfilefd = open(tmpfilename, O_WRONLY | O_CREAT | O_BINARY, 0777);
+#endif
+ assert(tmpfilefd != 0);
+ assertEqualIntA(a, 0, archive_read_data_into_fd(a, tmpfilefd));
+ assert(0 == archive_read_close(a));
+#if ARCHIVE_VERSION_NUMBER < 2000000
+ archive_read_finish(a);
+#else
+ assert(0 == archive_read_finish(a));
+#endif
+ close(tmpfilefd);
+
+ f = fopen(tmpfilename, "rb");
+ assert(f != NULL);
+ assertEqualInt(sizeof(buff3), fread(buff3, 1, sizeof(buff3), f));
+ fclose(f);
+ assert(0 == memcmp(buff2, buff3, sizeof(buff3)));
+}
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