1 files changed, 15 insertions, 28 deletions

diff --git a/src/libs/3rdparty/libarchive/archive_read_support_filter_compress.c b/src/libs/3rdparty/libarchive/archive_read_support_filter_compress.c
index e05132dbf..05b80a576 100644
--- a/src/libs/3rdparty/libarchive/archive_read_support_filter_compress.c
+++ b/src/libs/3rdparty/libarchive/archive_read_support_filter_compress.c
@@ -133,7 +133,6 @@ struct private_data {
 
 static int	compress_bidder_bid(struct archive_read_filter_bidder *, struct archive_read_filter *);
 static int	compress_bidder_init(struct archive_read_filter *);
-static int	compress_bidder_free(struct archive_read_filter_bidder *);
 
 static ssize_t	compress_filter_read(struct archive_read_filter *, const void **);
 static int	compress_filter_close(struct archive_read_filter *);
@@ -150,25 +149,19 @@ archive_read_support_compression_compress(struct archive *a)
 }
 #endif
 
+static const struct archive_read_filter_bidder_vtable
+compress_bidder_vtable = {
+	.bid = compress_bidder_bid,
+	.init = compress_bidder_init,
+};
+
 int
 archive_read_support_filter_compress(struct archive *_a)
 {
 	struct archive_read *a = (struct archive_read *)_a;
-	struct archive_read_filter_bidder *bidder;
-
-	archive_check_magic(_a, ARCHIVE_READ_MAGIC,
-	    ARCHIVE_STATE_NEW, "archive_read_support_filter_compress");
-
-	if (__archive_read_get_bidder(a, &bidder) != ARCHIVE_OK)
-		return (ARCHIVE_FATAL);
 
-	bidder->data = NULL;
-	bidder->name = "compress (.Z)";
-	bidder->bid = compress_bidder_bid;
-	bidder->init = compress_bidder_init;
-	bidder->options = NULL;
-	bidder->free = compress_bidder_free;
-	return (ARCHIVE_OK);
+	return __archive_read_register_bidder(a, NULL, "compress (.Z)",
+			&compress_bidder_vtable);
 }
 
 /*
@@ -205,6 +198,12 @@ compress_bidder_bid(struct archive_read_filter_bidder *self,
 	return (bits_checked);
 }
 
+static const struct archive_read_filter_vtable
+compress_reader_vtable = {
+	.read = compress_filter_read,
+	.close = compress_filter_close,
+};
+
 /*
  * Setup the callbacks.
  */
@@ -233,9 +232,7 @@ compress_bidder_init(struct archive_read_filter *self)
 	self->data = state;
 	state->out_block_size = out_block_size;
 	state->out_block = out_block;
-	self->read = compress_filter_read;
-	self->skip = NULL; /* not supported */
-	self->close = compress_filter_close;
+	self->vtable = &compress_reader_vtable;
 
 	/* XXX MOVE THE FOLLOWING OUT OF INIT() XXX */
 
@@ -306,16 +303,6 @@ compress_filter_read(struct archive_read_filter *self, const void **pblock)
 }
 
 /*
- * Clean up the reader.
- */
-static int
-compress_bidder_free(struct archive_read_filter_bidder *self)
-{
-	self->data = NULL;
-	return (ARCHIVE_OK);
-}
-
-/*
  * Close and release the filter.
  */
 static int