1 files changed, 0 insertions, 144 deletions
diff --git a/lib/io/xfrm/ostream.c b/lib/io/xfrm/ostream.c
deleted file mode 100644
index bd94515..0000000
--- a/lib/io/xfrm/ostream.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * ostream.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "../internal.h"
-
-typedef struct ostream_xfrm_t {
-	ostream_t base;
-
-	ostream_t *wrapped;
-	xfrm_stream_t *xfrm;
-
-	size_t inbuf_used;
-
-	sqfs_u8 inbuf[BUFSZ];
-	sqfs_u8 outbuf[BUFSZ];
-} ostream_xfrm_t;
-
-static int flush_inbuf(ostream_xfrm_t *xfrm, bool finish)
-{
-	const sqfs_u32 avail_out = sizeof(xfrm->outbuf);
-	const sqfs_u32 avail_in = xfrm->inbuf_used;
-	const int mode = finish ? XFRM_STREAM_FLUSH_FULL :
-		XFRM_STREAM_FLUSH_NONE;
-	sqfs_u32 off_in = 0, off_out = 0;
-	int ret;
-
-	while (finish || off_in < avail_in) {
-		ret = xfrm->xfrm->process_data(xfrm->xfrm,
-					       xfrm->inbuf + off_in,
-					       avail_in - off_in,
-					       xfrm->outbuf + off_out,
-					       avail_out - off_out,
-					       &off_in, &off_out, mode);
-
-		if (ret == XFRM_STREAM_ERROR) {
-			fprintf(stderr,
-				"%s: internal error in compressor.\n",
-				xfrm->wrapped->get_filename(xfrm->wrapped));
-			return -1;
-		}
-
-		if (ostream_append(xfrm->wrapped, xfrm->outbuf, off_out))
-			return -1;
-
-		off_out = 0;
-
-		if (ret == XFRM_STREAM_END)
-			break;
-	}
-
-	if (off_out > 0) {
-		if (ostream_append(xfrm->wrapped, xfrm->outbuf, off_out))
-			return -1;
-	}
-
-	if (off_in < avail_in) {
-		memmove(xfrm->inbuf, xfrm->inbuf + off_in, avail_in - off_in);
-		xfrm->inbuf_used -= off_in;
-	} else {
-		xfrm->inbuf_used = 0;
-	}
-
-	return 0;
-}
-
-static int xfrm_append(ostream_t *strm, const void *data, size_t size)
-{
-	ostream_xfrm_t *xfrm = (ostream_xfrm_t *)strm;
-	size_t diff;
-
-	while (size > 0) {
-		if (xfrm->inbuf_used >= BUFSZ) {
-			if (flush_inbuf(xfrm, false))
-				return -1;
-		}
-
-		diff = BUFSZ - xfrm->inbuf_used;
-
-		if (diff > size)
-			diff = size;
-
-		memcpy(xfrm->inbuf + xfrm->inbuf_used, data, diff);
-
-		xfrm->inbuf_used += diff;
-		data = (const char *)data + diff;
-		size -= diff;
-	}
-
-	return 0;
-}
-
-static int xfrm_flush(ostream_t *strm)
-{
-	ostream_xfrm_t *xfrm = (ostream_xfrm_t *)strm;
-
-	if (xfrm->inbuf_used > 0) {
-		if (flush_inbuf(xfrm, true))
-			return -1;
-	}
-
-	return xfrm->wrapped->flush(xfrm->wrapped);
-}
-
-static const char *xfrm_get_filename(ostream_t *strm)
-{
-	ostream_xfrm_t *xfrm = (ostream_xfrm_t *)strm;
-
-	return xfrm->wrapped->get_filename(xfrm->wrapped);
-}
-
-static void xfrm_destroy(sqfs_object_t *obj)
-{
-	ostream_xfrm_t *xfrm = (ostream_xfrm_t *)obj;
-
-	sqfs_drop(xfrm->wrapped);
-	sqfs_drop(xfrm->xfrm);
-	free(xfrm);
-}
-
-ostream_t *ostream_xfrm_create(ostream_t *strm, xfrm_stream_t *xfrm)
-{
-	ostream_xfrm_t *stream = calloc(1, sizeof(*stream));
-	ostream_t *base = (ostream_t *)stream;
-
-	if (stream == NULL)
-		goto fail;
-
-	sqfs_object_init(stream, xfrm_destroy, NULL);
-
-	stream->wrapped = sqfs_grab(strm);
-	stream->xfrm = sqfs_grab(xfrm);
-	stream->inbuf_used = 0;
-	base->append = xfrm_append;
-	base->flush = xfrm_flush;
-	base->get_filename = xfrm_get_filename;
-	return base;
-fail:
-	fprintf(stderr, "%s: error initializing compressor.\n",
-		strm->get_filename(strm));
-	return NULL;
-}