1 files changed, 0 insertions, 87 deletions
diff --git a/util/compress/libdeflate/lib/zlib_compress.c b/util/compress/libdeflate/lib/zlib_compress.c
deleted file mode 100644
index ab0075136..000000000
--- a/util/compress/libdeflate/lib/zlib_compress.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * zlib_compress.c - compress with a zlib wrapper
- *
- * Originally public domain; changes after 2016-09-07 are copyrighted.
- *
- * Copyright 2016 Eric Biggers
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "deflate_compress.h"
-#include "unaligned.h"
-#include "zlib_constants.h"
-
-#include "libdeflate.h"
-
-LIBDEFLATEEXPORT size_t LIBDEFLATEAPI
-libdeflate_zlib_compress(struct libdeflate_compressor *c,
-			 const void *in, size_t in_nbytes,
-			 void *out, size_t out_nbytes_avail)
-{
-	u8 *out_next = out;
-	u16 hdr;
-	unsigned compression_level;
-	unsigned level_hint;
-	size_t deflate_size;
-
-	if (out_nbytes_avail <= ZLIB_MIN_OVERHEAD)
-		return 0;
-
-	/* 2 byte header: CMF and FLG  */
-	hdr = (ZLIB_CM_DEFLATE << 8) | (ZLIB_CINFO_32K_WINDOW << 12);
-	compression_level = deflate_get_compression_level(c);
-	if (compression_level < 2)
-		level_hint = ZLIB_FASTEST_COMPRESSION;
-	else if (compression_level < 6)
-		level_hint = ZLIB_FAST_COMPRESSION;
-	else if (compression_level < 8)
-		level_hint = ZLIB_DEFAULT_COMPRESSION;
-	else
-		level_hint = ZLIB_SLOWEST_COMPRESSION;
-	hdr |= level_hint << 6;
-	hdr |= 31 - (hdr % 31);
-
-	put_unaligned_be16(hdr, out_next);
-	out_next += 2;
-
-	/* Compressed data  */
-	deflate_size = libdeflate_deflate_compress(c, in, in_nbytes, out_next,
-					out_nbytes_avail - ZLIB_MIN_OVERHEAD);
-	if (deflate_size == 0)
-		return 0;
-	out_next += deflate_size;
-
-	/* ADLER32  */
-	put_unaligned_be32(libdeflate_adler32(1, in, in_nbytes), out_next);
-	out_next += 4;
-
-	return out_next - (u8 *)out;
-}
-
-LIBDEFLATEEXPORT size_t LIBDEFLATEAPI
-libdeflate_zlib_compress_bound(struct libdeflate_compressor *c,
-			       size_t in_nbytes)
-{
-	return ZLIB_MIN_OVERHEAD +
-	       libdeflate_deflate_compress_bound(c, in_nbytes);
-}