Split stream compression out of libio

Move it to a separate libxfrm library, where it can be independently
tested as well. The bulk of the new code is also mainly test cases
for the compressors.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 0 insertions, 67 deletions

diff --git a/lib/io/xfrm.c b/lib/io/xfrm.c
deleted file mode 100644
index 22fd953..0000000
--- a/lib/io/xfrm.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * compressor.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "internal.h"
-
-int io_compressor_id_from_name(const char *name)
-{
-	if (strcmp(name, "gzip") == 0)
-		return IO_COMPRESSOR_GZIP;
-
-	if (strcmp(name, "xz") == 0)
-		return IO_COMPRESSOR_XZ;
-
-	if (strcmp(name, "zstd") == 0)
-		return IO_COMPRESSOR_ZSTD;
-
-	if (strcmp(name, "bzip2") == 0)
-		return IO_COMPRESSOR_BZIP2;
-
-	return -1;
-}
-
-const char *io_compressor_name_from_id(int id)
-{
-	if (id == IO_COMPRESSOR_GZIP)
-		return "gzip";
-
-	if (id == IO_COMPRESSOR_XZ)
-		return "xz";
-
-	if (id == IO_COMPRESSOR_ZSTD)
-		return "zstd";
-
-	if (id == IO_COMPRESSOR_BZIP2)
-		return "bzip2";
-
-	return NULL;
-}
-
-bool io_compressor_exists(int id)
-{
-	switch (id) {
-#ifdef WITH_GZIP
-	case IO_COMPRESSOR_GZIP:
-		return true;
-#endif
-#ifdef WITH_XZ
-	case IO_COMPRESSOR_XZ:
-		return true;
-#endif
-#if defined(WITH_ZSTD) && defined(HAVE_ZSTD_STREAM)
-	case IO_COMPRESSOR_ZSTD:
-		return true;
-#endif
-#ifdef WITH_BZIP2
-	case IO_COMPRESSOR_BZIP2:
-		return true;
-#endif
-	default:
-		break;
-	}
-
-	return false;
-}