1 files changed, 0 insertions, 55 deletions
diff --git a/lib/fstream/uncompress/autodetect.c b/lib/fstream/uncompress/autodetect.c
deleted file mode 100644
index 61628f8..0000000
--- a/lib/fstream/uncompress/autodetect.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * autodetect.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "../internal.h"
-
-static const struct {
-	int id;
-	const sqfs_u8 *value;
-	size_t len;
-} magic[] = {
-	{ FSTREAM_COMPRESSOR_GZIP, (const sqfs_u8 *)"\x1F\x8B\x08", 3 },
-	{ FSTREAM_COMPRESSOR_XZ, (const sqfs_u8 *)("\xFD" "7zXZ"), 6 },
-	{ FSTREAM_COMPRESSOR_ZSTD, (const sqfs_u8 *)"\x28\xB5\x2F\xFD", 4 },
-	{ FSTREAM_COMPRESSOR_BZIP2, (const sqfs_u8 *)"BZh", 3 },
-};
-
-int istream_detect_compressor(istream_t *strm,
-			      int (*probe)(const sqfs_u8 *data, size_t size))
-{
-	size_t i;
-	int ret;
-
-	ret = istream_precache(strm);
-	if (ret != 0)
-		return ret;
-
-	if (probe != NULL) {
-		ret = probe(strm->buffer + strm->buffer_offset,
-			    strm->buffer_used - strm->buffer_offset);
-		if (ret < 0)
-			return ret;
-
-		/* XXX: this means the data is uncompressed. We do this check
-		   first since it might be perfectly OK for the uncompressed
-		   data to contain a magic number from the table. */
-		if (ret > 0)
-			return 0;
-	}
-
-	for (i = 0; i < sizeof(magic) / sizeof(magic[0]); ++i) {
-		if ((strm->buffer_used - strm->buffer_offset) < magic[i].len)
-			continue;
-
-		ret = memcmp(strm->buffer + strm->buffer_offset,
-			     magic[i].value, magic[i].len);
-
-		if (ret == 0)
-			return magic[i].id;
-	}
-
-	return 0;
-}