Move library source into src sub-directory

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

1 files changed, 0 insertions, 195 deletions

diff --git a/lib/xfrm/xz.c b/lib/xfrm/xz.c
deleted file mode 100644
index 5adb6f3..0000000
--- a/lib/xfrm/xz.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * xz.c
- *
- * Copyright (C) 2021 David Oberhollenzer <goliath@infraroot.at>
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <lzma.h>
-
-#include "xfrm/stream.h"
-#include "xfrm/compress.h"
-
-typedef struct {
-	xfrm_stream_t base;
-
-	lzma_stream strm;
-
-	sqfs_u64 memlimit;
-	lzma_filter filters[3];
-	lzma_options_lzma opt;
-	lzma_vli vli_filter;
-	sqfs_u32 presets;
-
-	bool compress;
-	bool initialized;
-} xfrm_xz_t;
-
-static const lzma_action xzlib_action[] = {
-	[XFRM_STREAM_FLUSH_NONE] = LZMA_RUN,
-	[XFRM_STREAM_FLUSH_SYNC] = LZMA_FULL_FLUSH,
-	[XFRM_STREAM_FLUSH_FULL] = LZMA_FINISH,
-};
-
-static lzma_vli vli_filter_from_flags(int vli)
-{
-	switch (vli) {
-	case COMP_XZ_VLI_X86:
-		return LZMA_FILTER_X86;
-	case COMP_XZ_VLI_POWERPC:
-		return LZMA_FILTER_POWERPC;
-	case COMP_XZ_VLI_IA64:
-		return LZMA_FILTER_IA64;
-	case COMP_XZ_VLI_ARM:
-		return LZMA_FILTER_ARM;
-	case COMP_XZ_VLI_ARMTHUMB:
-		return LZMA_FILTER_ARMTHUMB;
-	case COMP_XZ_VLI_SPARC:
-		return LZMA_FILTER_SPARC;
-	default:
-		return LZMA_VLI_UNKNOWN;
-	}
-}
-
-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_xz_t *xz = (xfrm_xz_t *)stream;
-	lzma_ret ret_xz;
-	sqfs_u32 diff;
-
-	if (!xz->initialized) {
-		if (xz->compress) {
-			ret_xz = lzma_stream_encoder(&xz->strm, xz->filters,
-						     LZMA_CHECK_CRC32);
-		} else {
-			ret_xz = lzma_stream_decoder(&xz->strm,
-						     xz->memlimit, 0);
-		}
-
-		if (ret_xz != LZMA_OK)
-			return XFRM_STREAM_ERROR;
-
-		xz->initialized = true;
-	}
-
-	if (flush_mode < 0 || flush_mode >= XFRM_STREAM_FLUSH_COUNT)
-		flush_mode = XFRM_STREAM_FLUSH_NONE;
-
-	while (in_size > 0 && out_size > 0) {
-		xz->strm.next_in = in;
-		xz->strm.avail_in = in_size;
-
-		xz->strm.next_out = out;
-		xz->strm.avail_out = out_size;
-
-		ret_xz = lzma_code(&xz->strm, xzlib_action[flush_mode]);
-
-		if (ret_xz != LZMA_OK && ret_xz != LZMA_BUF_ERROR &&
-		    ret_xz != LZMA_STREAM_END) {
-			return XFRM_STREAM_ERROR;
-		}
-
-		diff = in_size - xz->strm.avail_in;
-		in = (const char *)in + diff;
-		in_size -= diff;
-		*in_read += diff;
-
-		diff = out_size - xz->strm.avail_out;
-		out = (char *)out + diff;
-		out_size -= diff;
-		*out_written += diff;
-
-		if (ret_xz == LZMA_BUF_ERROR)
-			return XFRM_STREAM_BUFFER_FULL;
-
-		if (ret_xz == LZMA_STREAM_END) {
-			lzma_end(&xz->strm);
-			xz->initialized = false;
-			return XFRM_STREAM_END;
-		}
-	}
-
-	return XFRM_STREAM_OK;
-}
-
-static void destroy(sqfs_object_t *obj)
-{
-	xfrm_xz_t *xz = (xfrm_xz_t *)obj;
-
-	if (xz->initialized)
-		lzma_end(&xz->strm);
-
-	free(xz);
-}
-
-static xfrm_stream_t *create_stream(const compressor_config_t *cfg,
-				    bool compress)
-{
-	xfrm_xz_t *xz = calloc(1, sizeof(*xz));
-	xfrm_stream_t *xfrm = (xfrm_stream_t *)xz;
-	int i = 0;
-
-	if (xz == NULL) {
-		perror("creating xz stream compressor");
-		return NULL;
-	}
-
-	xz->memlimit = 128 * 1024 * 1024;
-	xz->compress = compress;
-	xz->initialized = false;
-
-	if (compress) {
-		if (cfg == NULL) {
-			xz->presets = COMP_XZ_DEFAULT_LEVEL;
-		} else {
-			xz->presets = cfg->level;
-			if (cfg->flags & COMP_FLAG_XZ_EXTREME)
-				xz->presets |= LZMA_PRESET_EXTREME;
-		}
-
-		if (lzma_lzma_preset(&xz->opt, xz->presets))
-			goto fail_init;
-
-		if (cfg == NULL) {
-			xz->vli_filter = LZMA_VLI_UNKNOWN;
-		} else {
-			xz->vli_filter = vli_filter_from_flags(cfg->opt.xz.vli);
-		}
-
-		if (xz->vli_filter != LZMA_VLI_UNKNOWN) {
-			xz->filters[i].id = xz->vli_filter;
-			xz->filters[i].options = NULL;
-			++i;
-		}
-
-		xz->filters[i].id = LZMA_FILTER_LZMA2;
-		xz->filters[i].options = &xz->opt;
-		++i;
-
-		xz->filters[i].id = LZMA_VLI_UNKNOWN;
-		xz->filters[i].options = NULL;
-		++i;
-	}
-
-	xfrm->process_data = process_data;
-	sqfs_object_init(xz, destroy, NULL);
-	return xfrm;
-fail_init:
-	fputs("error initializing XZ compressor\n", stderr);
-	free(xz);
-	return NULL;
-}
-
-xfrm_stream_t *compressor_stream_xz_create(const compressor_config_t *cfg)
-{
-	return create_stream(cfg, true);
-}
-
-xfrm_stream_t *decompressor_stream_xz_create(void)
-{
-	return create_stream(NULL, false);
-}