1 files changed, 0 insertions, 108 deletions
diff --git a/util/compress/libdeflate/lib/zlib_decompress.c b/util/compress/libdeflate/lib/zlib_decompress.c
deleted file mode 100644
index 0f6c71489..000000000
--- a/util/compress/libdeflate/lib/zlib_decompress.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * zlib_decompress.c - decompress 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 "unaligned.h"
-#include "zlib_constants.h"
-
-#include "libdeflate.h"
-
-LIBDEFLATEEXPORT enum libdeflate_result LIBDEFLATEAPI
-libdeflate_zlib_decompress_ex(struct libdeflate_decompressor *d,
-			      const void *in, size_t in_nbytes,
-			      void *out, size_t out_nbytes_avail,
-			      size_t *actual_in_nbytes_ret,
-			      size_t *actual_out_nbytes_ret)
-{
-	const u8 *in_next = in;
-	const u8 * const in_end = in_next + in_nbytes;
-	u16 hdr;
-	size_t actual_in_nbytes;
-	size_t actual_out_nbytes;
-	enum libdeflate_result result;
-
-	if (in_nbytes < ZLIB_MIN_OVERHEAD)
-		return LIBDEFLATE_BAD_DATA;
-
-	/* 2 byte header: CMF and FLG  */
-	hdr = get_unaligned_be16(in_next);
-	in_next += 2;
-
-	/* FCHECK */
-	if ((hdr % 31) != 0)
-		return LIBDEFLATE_BAD_DATA;
-
-	/* CM */
-	if (((hdr >> 8) & 0xF) != ZLIB_CM_DEFLATE)
-		return LIBDEFLATE_BAD_DATA;
-
-	/* CINFO */
-	if ((hdr >> 12) > ZLIB_CINFO_32K_WINDOW)
-		return LIBDEFLATE_BAD_DATA;
-
-	/* FDICT */
-	if ((hdr >> 5) & 1)
-		return LIBDEFLATE_BAD_DATA;
-
-	/* Compressed data  */
-	result = libdeflate_deflate_decompress_ex(d, in_next,
-					in_end - ZLIB_FOOTER_SIZE - in_next,
-					out, out_nbytes_avail,
-					&actual_in_nbytes, actual_out_nbytes_ret);
-	if (result != LIBDEFLATE_SUCCESS)
-		return result;
-
-	if (actual_out_nbytes_ret)
-		actual_out_nbytes = *actual_out_nbytes_ret;
-	else
-		actual_out_nbytes = out_nbytes_avail;
-
-	in_next += actual_in_nbytes;
-
-	/* ADLER32  */
-	if (libdeflate_adler32(1, out, actual_out_nbytes) !=
-	    get_unaligned_be32(in_next))
-		return LIBDEFLATE_BAD_DATA;
-	in_next += 4;
-
-	if (actual_in_nbytes_ret)
-		*actual_in_nbytes_ret = in_next - (u8 *)in;
-
-	return LIBDEFLATE_SUCCESS;
-}
-
-LIBDEFLATEEXPORT enum libdeflate_result LIBDEFLATEAPI
-libdeflate_zlib_decompress(struct libdeflate_decompressor *d,
-			   const void *in, size_t in_nbytes,
-			   void *out, size_t out_nbytes_avail,
-			   size_t *actual_out_nbytes_ret)
-{
-	return libdeflate_zlib_decompress_ex(d, in, in_nbytes,
-					     out, out_nbytes_avail,
-					     NULL, actual_out_nbytes_ret);
-}