Move library source into src sub-directory

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

1 files changed, 0 insertions, 172 deletions

diff --git a/lib/sqfs/comp/lz4.c b/lib/sqfs/comp/lz4.c
deleted file mode 100644
index 77f4a6e..0000000
--- a/lib/sqfs/comp/lz4.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/* SPDX-License-Identifier: LGPL-3.0-or-later */
-/*
- * lz4.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#define SQFS_BUILDING_DLL
-#include "config.h"
-
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <lz4.h>
-#include <lz4hc.h>
-
-#include "internal.h"
-
-typedef struct {
-	sqfs_compressor_t base;
-	size_t block_size;
-	bool high_compression;
-} lz4_compressor_t;
-
-typedef struct {
-	sqfs_u32 version;
-	sqfs_u32 flags;
-} lz4_options;
-
-#define LZ4LEGACY 1
-
-/* old verions of liblz4 don't have this */
-#ifndef LZ4HC_CLEVEL_MAX
-#define LZ4HC_CLEVEL_MAX 12
-#endif
-
-static int lz4_write_options(sqfs_compressor_t *base, sqfs_file_t *file)
-{
-	lz4_compressor_t *lz4 = (lz4_compressor_t *)base;
-	lz4_options opt = {
-		.version = htole32(LZ4LEGACY),
-		.flags = htole32(lz4->high_compression ?
-				 SQFS_COMP_FLAG_LZ4_HC : 0),
-	};
-
-	return sqfs_generic_write_options(file, &opt, sizeof(opt));
-}
-
-static int lz4_read_options(sqfs_compressor_t *base, sqfs_file_t *file)
-{
-	lz4_options opt;
-	int ret;
-	(void)base;
-
-	ret = sqfs_generic_read_options(file, &opt, sizeof(opt));
-	if (ret)
-		return ret;
-
-	opt.version = le32toh(opt.version);
-	opt.flags = le32toh(opt.flags);
-
-	if (opt.version != LZ4LEGACY)
-		return SQFS_ERROR_UNSUPPORTED;
-
-	return 0;
-}
-
-static sqfs_s32 lz4_comp_block(sqfs_compressor_t *base, const sqfs_u8 *in,
-			       sqfs_u32 size, sqfs_u8 *out, sqfs_u32 outsize)
-{
-	lz4_compressor_t *lz4 = (lz4_compressor_t *)base;
-	int ret;
-
-	if (size >= 0x7FFFFFFF)
-		return SQFS_ERROR_ARG_INVALID;
-
-	if (lz4->high_compression) {
-		ret = LZ4_compress_HC((const void *)in, (void *)out,
-				      size, outsize, LZ4HC_CLEVEL_MAX);
-	} else {
-		ret = LZ4_compress_default((const void *)in, (void *)out,
-					   size, outsize);
-	}
-
-	if (ret < 0)
-		return SQFS_ERROR_COMPRESSOR;
-
-	return ret;
-}
-
-static sqfs_s32 lz4_uncomp_block(sqfs_compressor_t *base, const sqfs_u8 *in,
-				 sqfs_u32 size, sqfs_u8 *out, sqfs_u32 outsize)
-{
-	int ret;
-	(void)base;
-
-	if (outsize >= 0x7FFFFFFF)
-		return SQFS_ERROR_ARG_INVALID;
-
-	ret = LZ4_decompress_safe((const void *)in, (void *)out, size, outsize);
-
-	if (ret < 0)
-		return SQFS_ERROR_COMPRESSOR;
-
-	return ret;
-}
-
-static void lz4_get_configuration(const sqfs_compressor_t *base,
-				  sqfs_compressor_config_t *cfg)
-{
-	const lz4_compressor_t *lz4 = (const lz4_compressor_t *)base;
-
-	memset(cfg, 0, sizeof(*cfg));
-	cfg->id = SQFS_COMP_LZ4;
-	cfg->block_size = lz4->block_size;
-
-	if (lz4->high_compression)
-		cfg->flags |= SQFS_COMP_FLAG_LZ4_HC;
-
-	if (base->do_block == lz4_uncomp_block)
-		cfg->flags |= SQFS_COMP_FLAG_UNCOMPRESS;
-}
-
-static sqfs_object_t *lz4_create_copy(const sqfs_object_t *cmp)
-{
-	lz4_compressor_t *lz4 = malloc(sizeof(*lz4));
-
-	if (lz4 == NULL)
-		return NULL;
-
-	memcpy(lz4, cmp, sizeof(*lz4));
-	return (sqfs_object_t *)lz4;
-}
-
-static void lz4_destroy(sqfs_object_t *base)
-{
-	free(base);
-}
-
-int lz4_compressor_create(const sqfs_compressor_config_t *cfg,
-			  sqfs_compressor_t **out)
-{
-	sqfs_compressor_t *base;
-	lz4_compressor_t *lz4;
-
-	if (cfg->flags & ~(SQFS_COMP_FLAG_LZ4_ALL |
-			   SQFS_COMP_FLAG_GENERIC_ALL)) {
-		return SQFS_ERROR_UNSUPPORTED;
-	}
-
-	if (cfg->level != 0)
-		return SQFS_ERROR_UNSUPPORTED;
-
-	lz4 = calloc(1, sizeof(*lz4));
-	base = (sqfs_compressor_t *)lz4;
-	if (lz4 == NULL)
-		return SQFS_ERROR_ALLOC;
-
-	sqfs_object_init(lz4, lz4_destroy, lz4_create_copy);
-
-	lz4->high_compression = (cfg->flags & SQFS_COMP_FLAG_LZ4_HC) != 0;
-	lz4->block_size = cfg->block_size;
-
-	base->get_configuration = lz4_get_configuration;
-	base->do_block = (cfg->flags & SQFS_COMP_FLAG_UNCOMPRESS) ?
-		lz4_uncomp_block : lz4_comp_block;
-	base->write_options = lz4_write_options;
-	base->read_options = lz4_read_options;
-
-	*out = base;
-	return 0;
-}