Move library source into src sub-directory

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

1 files changed, 0 insertions, 285 deletions

diff --git a/lib/common/comp_lzo.c b/lib/common/comp_lzo.c
deleted file mode 100644
index 2021d34..0000000
--- a/lib/common/comp_lzo.c
+++ /dev/null
@@ -1,285 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * comp_lzo.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "config.h"
-#include "compress_cli.h"
-#include "compat.h"
-
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <lzo/lzo1x.h>
-
-#define LZO_MAX_SIZE(size) (size + (size / 16) + 64 + 3)
-
-#define LZO_NUM_ALGS (sizeof(lzo_algs) / sizeof(lzo_algs[0]))
-
-typedef int (*lzo_cb_t)(const lzo_bytep src, lzo_uint src_len, lzo_bytep dst,
-			lzo_uintp dst_len, lzo_voidp wrkmem);
-
-static const struct {
-	lzo_cb_t compress;
-	size_t bufsize;
-} lzo_algs[] = {
-	[SQFS_LZO1X_1] = {
-		.compress = lzo1x_1_compress,
-		.bufsize = LZO1X_1_MEM_COMPRESS,
-	},
-	[SQFS_LZO1X_1_11] = {
-		.compress = lzo1x_1_11_compress,
-		.bufsize = LZO1X_1_11_MEM_COMPRESS,
-	},
-	[SQFS_LZO1X_1_12] = {
-		.compress = lzo1x_1_12_compress,
-		.bufsize = LZO1X_1_12_MEM_COMPRESS,
-	},
-	[SQFS_LZO1X_1_15] = {
-		.compress = lzo1x_1_15_compress,
-		.bufsize = LZO1X_1_15_MEM_COMPRESS,
-	},
-	[SQFS_LZO1X_999] = {
-		.compress = lzo1x_999_compress,
-		.bufsize = LZO1X_999_MEM_COMPRESS,
-	},
-};
-
-typedef struct {
-	sqfs_compressor_t base;
-	size_t block_size;
-	int algorithm;
-	int level;
-
-	size_t buf_size;
-	size_t work_size;
-
-	sqfs_u8 buffer[];
-} lzo_compressor_t;
-
-typedef struct {
-	sqfs_u32 algorithm;
-	sqfs_u32 level;
-} lzo_options_t;
-
-static int lzo_write_options(sqfs_compressor_t *base, sqfs_file_t *file)
-{
-	lzo_compressor_t *lzo = (lzo_compressor_t *)base;
-	sqfs_u8 buffer[sizeof(lzo_options_t) + 2];
-	lzo_options_t opt;
-	sqfs_u16 header;
-	int ret;
-
-	if (lzo->algorithm == SQFS_LZO_DEFAULT_ALG &&
-	    lzo->level == SQFS_LZO_DEFAULT_LEVEL) {
-		return 0;
-	}
-
-	opt.algorithm = htole32(lzo->algorithm);
-
-	if (lzo->algorithm == SQFS_LZO1X_999) {
-		opt.level = htole32(lzo->level);
-	} else {
-		opt.level = 0;
-	}
-
-	header = htole16(0x8000 | sizeof(opt));
-
-	memcpy(buffer, &header, sizeof(header));
-	memcpy(buffer + 2, &opt, sizeof(opt));
-
-	ret = file->write_at(file, sizeof(sqfs_super_t),
-			     buffer, sizeof(buffer));
-
-	return ret ? ret : (int)sizeof(buffer);
-}
-
-static int lzo_read_options(sqfs_compressor_t *base, sqfs_file_t *file)
-{
-	lzo_compressor_t *lzo = (lzo_compressor_t *)base;
-	sqfs_u8 buffer[sizeof(lzo_options_t) + 2];
-	lzo_options_t opt;
-	sqfs_u16 header;
-	int ret;
-
-	ret = file->read_at(file, sizeof(sqfs_super_t),
-			    buffer, sizeof(buffer));
-	if (ret)
-		return ret;
-
-	memcpy(&header, buffer, sizeof(header));
-	if (le16toh(header) != (0x8000 | sizeof(opt)))
-		return SQFS_ERROR_CORRUPTED;
-
-	memcpy(&opt, buffer + 2, sizeof(opt));
-	lzo->algorithm = le32toh(opt.algorithm);
-	lzo->level = le32toh(opt.level);
-
-	switch(lzo->algorithm) {
-	case SQFS_LZO1X_1:
-	case SQFS_LZO1X_1_11:
-	case SQFS_LZO1X_1_12:
-	case SQFS_LZO1X_1_15:
-		if (lzo->level != 0)
-			return SQFS_ERROR_UNSUPPORTED;
-		break;
-	case SQFS_LZO1X_999:
-		if (lzo->level < 1 || lzo->level > 9)
-			return SQFS_ERROR_UNSUPPORTED;
-		break;
-	default:
-		return SQFS_ERROR_UNSUPPORTED;
-	}
-
-	return 0;
-}
-
-static sqfs_s32 lzo_comp_block(sqfs_compressor_t *base, const sqfs_u8 *in,
-			       sqfs_u32 size, sqfs_u8 *out, sqfs_u32 outsize)
-{
-	lzo_compressor_t *lzo = (lzo_compressor_t *)base;
-	void *scratch;
-	lzo_uint len;
-	int ret;
-
-	if (size >= 0x7FFFFFFF)
-		return 0;
-
-	scratch = lzo->buffer + lzo->work_size;
-	len = lzo->buf_size - lzo->work_size;
-
-	if (lzo->algorithm == SQFS_LZO1X_999 &&
-	    lzo->level != SQFS_LZO_DEFAULT_LEVEL) {
-		ret = lzo1x_999_compress_level(in, size, scratch, &len,
-					       lzo->buffer, NULL, 0, 0,
-					       lzo->level);
-	} else {
-		ret = lzo_algs[lzo->algorithm].compress(in, size, scratch,
-							&len, lzo->buffer);
-	}
-
-	if (ret != LZO_E_OK)
-		return SQFS_ERROR_COMPRESSOR;
-
-	if (len < size && len <= outsize) {
-		memcpy(out, scratch, len);
-		return len;
-	}
-
-	return 0;
-}
-
-static sqfs_s32 lzo_uncomp_block(sqfs_compressor_t *base, const sqfs_u8 *in,
-				 sqfs_u32 size, sqfs_u8 *out, sqfs_u32 outsize)
-{
-	lzo_compressor_t *lzo = (lzo_compressor_t *)base;
-	lzo_uint len = outsize;
-	int ret;
-
-	if (outsize >= 0x7FFFFFFF)
-		return 0;
-
-	ret = lzo1x_decompress_safe(in, size, out, &len, lzo->buffer);
-
-	if (ret != LZO_E_OK)
-		return SQFS_ERROR_COMPRESSOR;
-
-	return len;
-}
-
-static void lzo_get_configuration(const sqfs_compressor_t *base,
-				  sqfs_compressor_config_t *cfg)
-{
-	const lzo_compressor_t *lzo = (const lzo_compressor_t *)base;
-
-	memset(cfg, 0, sizeof(*cfg));
-	cfg->id = SQFS_COMP_LZO;
-	cfg->block_size = lzo->block_size;
-
-	cfg->opt.lzo.algorithm = lzo->algorithm;
-	cfg->level = lzo->level;
-
-	if (base->do_block == lzo_uncomp_block)
-		cfg->flags |= SQFS_COMP_FLAG_UNCOMPRESS;
-}
-
-static sqfs_object_t *lzo_create_copy(const sqfs_object_t *cmp)
-{
-	const lzo_compressor_t *other = (const lzo_compressor_t *)cmp;
-	lzo_compressor_t *lzo;
-
-	lzo = calloc(1, sizeof(*lzo) + other->buf_size);
-	if (lzo == NULL)
-		return NULL;
-
-	memcpy(lzo, other, sizeof(*lzo));
-	return (sqfs_object_t *)lzo;
-}
-
-static void lzo_destroy(sqfs_object_t *base)
-{
-	free(base);
-}
-
-int lzo_compressor_create(const sqfs_compressor_config_t *cfg,
-			  sqfs_compressor_t **out)
-{
-	sqfs_compressor_t *base;
-	lzo_compressor_t *lzo;
-	size_t scratch_size;
-
-	if (cfg->flags & ~SQFS_COMP_FLAG_GENERIC_ALL)
-		return SQFS_ERROR_UNSUPPORTED;
-
-	if (cfg->opt.lzo.algorithm >= LZO_NUM_ALGS ||
-	    lzo_algs[cfg->opt.lzo.algorithm].compress == NULL) {
-		return SQFS_ERROR_UNSUPPORTED;
-	}
-
-	if (cfg->opt.lzo.algorithm == SQFS_LZO1X_999) {
-		if (cfg->level > SQFS_LZO_MAX_LEVEL)
-			return SQFS_ERROR_UNSUPPORTED;
-	} else if (cfg->level != 0) {
-		return SQFS_ERROR_UNSUPPORTED;
-	}
-
-	/* XXX: liblzo does not do bounds checking internally,
-	   we need our own internal scratch buffer at worst case size... */
-	if (cfg->flags & SQFS_COMP_FLAG_UNCOMPRESS) {
-		scratch_size = 0;
-	} else {
-		scratch_size = cfg->block_size;
-		if (scratch_size < SQFS_META_BLOCK_SIZE)
-			scratch_size = SQFS_META_BLOCK_SIZE;
-
-		scratch_size = LZO_MAX_SIZE(scratch_size);
-	}
-
-	/* ...in addition to the LZO work space buffer of course */
-	scratch_size += lzo_algs[cfg->opt.lzo.algorithm].bufsize;
-
-	lzo = calloc(1, sizeof(*lzo) + scratch_size);
-	base = (sqfs_compressor_t *)lzo;
-
-	if (lzo == NULL)
-		return SQFS_ERROR_ALLOC;
-
-	sqfs_object_init(lzo, lzo_destroy, lzo_create_copy);
-
-	lzo->block_size = cfg->block_size;
-	lzo->algorithm = cfg->opt.lzo.algorithm;
-	lzo->level = cfg->level;
-	lzo->buf_size = scratch_size;
-	lzo->work_size = lzo_algs[cfg->opt.lzo.algorithm].bufsize;
-
-	base->get_configuration = lzo_get_configuration;
-	base->do_block = (cfg->flags & SQFS_COMP_FLAG_UNCOMPRESS) ?
-		lzo_uncomp_block : lzo_comp_block;
-	base->write_options = lzo_write_options;
-	base->read_options = lzo_read_options;
-
-	*out = base;
-	return 0;
-}