Move library source into src sub-directory

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

1 files changed, 0 insertions, 136 deletions

diff --git a/lib/xfrm/zstd.c b/lib/xfrm/zstd.c
deleted file mode 100644
index 70666c1..0000000
--- a/lib/xfrm/zstd.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * zstd.c
- *
- * Copyright (C) 2021 David Oberhollenzer <goliath@infraroot.at>
- */
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <zstd.h>
-
-#include "xfrm/stream.h"
-#include "xfrm/compress.h"
-
-typedef struct {
-	xfrm_stream_t base;
-
-	ZSTD_CStream *cstrm;
-	ZSTD_DStream *dstrm;
-	bool compress;
-} xfrm_zstd_t;
-
-static const ZSTD_EndDirective zstd_action[] = {
-	[XFRM_STREAM_FLUSH_NONE] = ZSTD_e_continue,
-	[XFRM_STREAM_FLUSH_SYNC] = ZSTD_e_flush,
-	[XFRM_STREAM_FLUSH_FULL] = ZSTD_e_end,
-};
-
-static int process_data(xfrm_stream_t *stream, const void *in,
-			sqfs_u32 in_size, void *out, sqfs_u32 out_size,
-			sqfs_u32 *in_read, sqfs_u32 *out_written,
-			int flush_mode)
-{
-	xfrm_zstd_t *zstd = (xfrm_zstd_t *)stream;
-	ZSTD_outBuffer out_desc;
-	ZSTD_inBuffer in_desc;
-	size_t ret;
-
-	if (flush_mode < 0 || flush_mode >= XFRM_STREAM_FLUSH_COUNT)
-		flush_mode = XFRM_STREAM_FLUSH_NONE;
-
-	while (in_size > 0 && out_size > 0) {
-		memset(&in_desc, 0, sizeof(in_desc));
-		in_desc.src = in;
-		in_desc.size = in_size;
-
-		memset(&out_desc, 0, sizeof(out_desc));
-		out_desc.dst = out;
-		out_desc.size = out_size;
-
-		if (zstd->compress) {
-			ret = ZSTD_compressStream2(zstd->cstrm, &out_desc,
-						   &in_desc,
-						   zstd_action[flush_mode]);
-		} else {
-			ret = ZSTD_decompressStream(zstd->dstrm, &out_desc,
-						    &in_desc);
-		}
-
-		if (ZSTD_isError(ret))
-			return XFRM_STREAM_ERROR;
-
-		in = (const char *)in + in_desc.pos;
-		in_size -= in_desc.pos;
-		*in_read += in_desc.pos;
-
-		out = (char *)out + out_desc.pos;
-		out_size -= out_desc.pos;
-		*out_written += out_desc.pos;
-	}
-
-	if (flush_mode != XFRM_STREAM_FLUSH_NONE) {
-		if (in_size == 0)
-			return XFRM_STREAM_END;
-	}
-
-	if (in_size > 0 && out_size == 0)
-		return XFRM_STREAM_BUFFER_FULL;
-
-	return XFRM_STREAM_OK;
-}
-
-static void destroy(sqfs_object_t *obj)
-{
-	xfrm_zstd_t *zstd = (xfrm_zstd_t *)obj;
-
-	if (zstd->compress) {
-		ZSTD_freeCStream(zstd->cstrm);
-	} else {
-		ZSTD_freeDStream(zstd->dstrm);
-	}
-
-	free(zstd);
-}
-
-static xfrm_stream_t *stream_create(const compressor_config_t *cfg,
-				    bool compress)
-{
-	xfrm_zstd_t *zstd = calloc(1, sizeof(*zstd));
-	xfrm_stream_t *strm = (xfrm_stream_t *)zstd;
-	(void)cfg;
-
-	if (zstd == NULL) {
-		perror("creating zstd stream compressor");
-		return NULL;
-	}
-
-	if (compress) {
-		zstd->cstrm = ZSTD_createCStream();
-		if (zstd->cstrm == NULL)
-			goto fail_strm;
-	} else {
-		zstd->dstrm = ZSTD_createDStream();
-		if (zstd->dstrm == NULL)
-			goto fail_strm;
-	}
-
-	zstd->compress = compress;
-	strm->process_data = process_data;
-	sqfs_object_init(zstd, destroy, NULL);
-	return strm;
-fail_strm:
-	fputs("error initializing zstd stream.\n", stderr);
-	free(zstd);
-	return NULL;
-}
-
-xfrm_stream_t *compressor_stream_zstd_create(const compressor_config_t *cfg)
-{
-	return stream_create(cfg, true);
-}
-
-xfrm_stream_t *decompressor_stream_zstd_create(void)
-{
-	return stream_create(NULL, false);
-}