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-rw-r--r--Utilities/cmlibarchive/libarchive/archive_read_append_filter.c198
1 files changed, 198 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_read_append_filter.c b/Utilities/cmlibarchive/libarchive/archive_read_append_filter.c
new file mode 100644
index 000000000..017d7c68a
--- /dev/null
+++ b/Utilities/cmlibarchive/libarchive/archive_read_append_filter.c
@@ -0,0 +1,198 @@
+/*-
+ * Copyright (c) 2003-2012 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 "archive_platform.h"
+__FBSDID("$FreeBSD$");
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include "archive.h"
+#include "archive_private.h"
+#include "archive_read_private.h"
+
+int
+archive_read_append_filter(struct archive *_a, int code)
+{
+ int r1, r2, number_bidders, i;
+ char str[20];
+ struct archive_read_filter_bidder *bidder;
+ struct archive_read_filter *filter;
+ struct archive_read *a = (struct archive_read *)_a;
+
+ r1 = r2 = (ARCHIVE_OK);
+ switch (code)
+ {
+ case ARCHIVE_FILTER_NONE:
+ /* No filter to add, so do nothing.
+ * NOTE: An initial "NONE" type filter is always set at the end of the
+ * filter chain.
+ */
+ r1 = (ARCHIVE_OK);
+ break;
+ case ARCHIVE_FILTER_GZIP:
+ strcpy(str, "gzip");
+ r1 = archive_read_support_filter_gzip(_a);
+ break;
+ case ARCHIVE_FILTER_BZIP2:
+ strcpy(str, "bzip2");
+ r1 = archive_read_support_filter_bzip2(_a);
+ break;
+ case ARCHIVE_FILTER_COMPRESS:
+ strcpy(str, "compress (.Z)");
+ r1 = archive_read_support_filter_compress(_a);
+ break;
+ case ARCHIVE_FILTER_PROGRAM:
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
+ "Cannot append program filter using archive_read_append_filter");
+ return (ARCHIVE_FATAL);
+ case ARCHIVE_FILTER_LZMA:
+ strcpy(str, "lzma");
+ r1 = archive_read_support_filter_lzma(_a);
+ break;
+ case ARCHIVE_FILTER_XZ:
+ strcpy(str, "xz");
+ r1 = archive_read_support_filter_xz(_a);
+ break;
+ case ARCHIVE_FILTER_UU:
+ strcpy(str, "uu");
+ r1 = archive_read_support_filter_uu(_a);
+ break;
+ case ARCHIVE_FILTER_RPM:
+ strcpy(str, "rpm");
+ r1 = archive_read_support_filter_rpm(_a);
+ break;
+ case ARCHIVE_FILTER_LZIP:
+ strcpy(str, "lzip");
+ r1 = archive_read_support_filter_lzip(_a);
+ break;
+ case ARCHIVE_FILTER_LRZIP:
+ strcpy(str, "lrzip");
+ r1 = archive_read_support_filter_lrzip(_a);
+ break;
+ default:
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
+ "Invalid filter code specified");
+ return (ARCHIVE_FATAL);
+ }
+
+ if (code != ARCHIVE_FILTER_NONE)
+ {
+ number_bidders = sizeof(a->bidders) / sizeof(a->bidders[0]);
+
+ bidder = a->bidders;
+ for (i = 0; i < number_bidders; i++, bidder++)
+ {
+ if (!bidder->name || !strcmp(bidder->name, str))
+ break;
+ }
+ if (!bidder->name || strcmp(bidder->name, str))
+ {
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
+ "Internal error: Unable to append filter");
+ return (ARCHIVE_FATAL);
+ }
+
+ filter
+ = (struct archive_read_filter *)calloc(1, sizeof(*filter));
+ if (filter == NULL)
+ {
+ archive_set_error(&a->archive, ENOMEM, "Out of memory");
+ return (ARCHIVE_FATAL);
+ }
+ filter->bidder = bidder;
+ filter->archive = a;
+ filter->upstream = a->filter;
+ a->filter = filter;
+ r2 = (bidder->init)(a->filter);
+ if (r2 != ARCHIVE_OK) {
+ __archive_read_close_filters(a);
+ __archive_read_free_filters(a);
+ return (ARCHIVE_FATAL);
+ }
+ }
+
+ a->bypass_filter_bidding = 1;
+ return (r1 < r2) ? r1 : r2;
+}
+
+int
+archive_read_append_filter_program(struct archive *_a, const char *cmd)
+{
+ return (archive_read_append_filter_program_signature(_a, cmd, NULL, 0));
+}
+
+int
+archive_read_append_filter_program_signature(struct archive *_a,
+ const char *cmd, const void *signature, size_t signature_len)
+{
+ int r, number_bidders, i;
+ struct archive_read_filter_bidder *bidder;
+ struct archive_read_filter *filter;
+ struct archive_read *a = (struct archive_read *)_a;
+
+ if (archive_read_support_filter_program_signature(_a, cmd, signature,
+ signature_len) != (ARCHIVE_OK))
+ return (ARCHIVE_FATAL);
+
+ number_bidders = sizeof(a->bidders) / sizeof(a->bidders[0]);
+
+ bidder = a->bidders;
+ for (i = 0; i < number_bidders; i++, bidder++)
+ {
+ /* Program bidder name set to filter name after initialization */
+ if (bidder->data && !bidder->name)
+ break;
+ }
+ if (!bidder->data)
+ {
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
+ "Internal error: Unable to append program filter");
+ return (ARCHIVE_FATAL);
+ }
+
+ filter
+ = (struct archive_read_filter *)calloc(1, sizeof(*filter));
+ if (filter == NULL)
+ {
+ archive_set_error(&a->archive, ENOMEM, "Out of memory");
+ return (ARCHIVE_FATAL);
+ }
+ filter->bidder = bidder;
+ filter->archive = a;
+ filter->upstream = a->filter;
+ a->filter = filter;
+ r = (bidder->init)(a->filter);
+ if (r != ARCHIVE_OK) {
+ __archive_read_close_filters(a);
+ __archive_read_free_filters(a);
+ return (ARCHIVE_FATAL);
+ }
+ bidder->name = a->filter->name;
+
+ a->bypass_filter_bidding = 1;
+ return r;
+}