Move library source into src sub-directory

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

1 files changed, 0 insertions, 218 deletions

diff --git a/lib/sqfs/comp/compressor.c b/lib/sqfs/comp/compressor.c
deleted file mode 100644
index 4c4d73c..0000000
--- a/lib/sqfs/comp/compressor.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/* SPDX-License-Identifier: LGPL-3.0-or-later */
-/*
- * compressor.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#define SQFS_BUILDING_DLL
-#include "config.h"
-
-#include <string.h>
-#include <stdlib.h>
-
-#include "internal.h"
-
-typedef int (*compressor_fun_t)(const sqfs_compressor_config_t *cfg,
-				sqfs_compressor_t **out);
-
-static compressor_fun_t compressors[SQFS_COMP_MAX + 1] = {
-#ifdef WITH_GZIP
-	[SQFS_COMP_GZIP] = gzip_compressor_create,
-#endif
-#ifdef WITH_XZ
-	[SQFS_COMP_XZ] = xz_compressor_create,
-	[SQFS_COMP_LZMA] = lzma_compressor_create,
-#endif
-#ifdef WITH_LZ4
-	[SQFS_COMP_LZ4] = lz4_compressor_create,
-#endif
-#ifdef WITH_ZSTD
-	[SQFS_COMP_ZSTD] = zstd_compressor_create,
-#endif
-};
-
-static const char *names[] = {
-	[SQFS_COMP_GZIP] = "gzip",
-	[SQFS_COMP_LZMA] = "lzma",
-	[SQFS_COMP_LZO] = "lzo",
-	[SQFS_COMP_XZ] = "xz",
-	[SQFS_COMP_LZ4] = "lz4",
-	[SQFS_COMP_ZSTD] = "zstd",
-};
-
-int sqfs_generic_write_options(sqfs_file_t *file, const void *data, size_t size)
-{
-	sqfs_u8 buffer[64];
-	sqfs_u16 header;
-	int ret;
-
-	/* XXX: options for all known compressors should fit into this */
-	if (size >= (sizeof(buffer) - sizeof(header)))
-		return SQFS_ERROR_INTERNAL;
-
-	header = htole16(0x8000 | size);
-	memcpy(buffer, &header, sizeof(header));
-	memcpy(buffer + sizeof(header), data, size);
-
-	ret = file->write_at(file, sizeof(sqfs_super_t),
-			     buffer, sizeof(header) + size);
-	if (ret)
-		return ret;
-
-	return sizeof(header) + size;
-}
-
-int sqfs_generic_read_options(sqfs_file_t *file, void *data, size_t size)
-{
-	sqfs_u8 buffer[64];
-	sqfs_u16 header;
-	int ret;
-
-	/* XXX: options for all known compressors should fit into this */
-	if (size >= (sizeof(buffer) - sizeof(header)))
-		return SQFS_ERROR_INTERNAL;
-
-	ret = file->read_at(file, sizeof(sqfs_super_t),
-			    buffer, sizeof(header) + size);
-	if (ret)
-		return ret;
-
-	memcpy(&header, buffer, sizeof(header));
-
-	if (le16toh(header) != (0x8000 | size))
-		return SQFS_ERROR_CORRUPTED;
-
-	memcpy(data, buffer + 2, size);
-	return 0;
-}
-
-int sqfs_compressor_create(const sqfs_compressor_config_t *cfg,
-			   sqfs_compressor_t **out)
-{
-	sqfs_u8 padd0[sizeof(cfg->opt)];
-	int ret;
-
-	*out = NULL;
-
-	/* check compressor ID */
-	if (cfg == NULL)
-		return SQFS_ERROR_ARG_INVALID;
-
-	if (cfg->id < SQFS_COMP_MIN || cfg->id > SQFS_COMP_MAX)
-		return SQFS_ERROR_UNSUPPORTED;
-
-	if (compressors[cfg->id] == NULL)
-		return SQFS_ERROR_UNSUPPORTED;
-
-	/* make sure the padding bytes are cleared, so we could theoretically
-	   turn them into option fields in the future and remain compatible */
-	memset(padd0, 0, sizeof(padd0));
-
-	switch (cfg->id) {
-	case SQFS_COMP_XZ:
-		ret = memcmp(cfg->opt.xz.padd0, padd0,
-			     sizeof(cfg->opt.xz.padd0));
-		break;
-	case SQFS_COMP_LZMA:
-		ret = memcmp(cfg->opt.lzma.padd0, padd0,
-			     sizeof(cfg->opt.lzma.padd0));
-		break;
-	case SQFS_COMP_LZO:
-		ret = memcmp(cfg->opt.lzo.padd0, padd0,
-			     sizeof(cfg->opt.lzo.padd0));
-		break;
-	case SQFS_COMP_GZIP:
-		ret = memcmp(cfg->opt.gzip.padd0, padd0,
-			     sizeof(cfg->opt.gzip.padd0));
-		break;
-	default:
-		ret = memcmp(cfg->opt.padd0, padd0, sizeof(cfg->opt.padd0));
-		break;
-	}
-
-	if (ret != 0)
-		return SQFS_ERROR_ARG_INVALID;
-
-	return compressors[cfg->id](cfg, out);
-}
-
-const char *sqfs_compressor_name_from_id(SQFS_COMPRESSOR id)
-{
-	if (id < 0 || (size_t)id >= sizeof(names) / sizeof(names[0]))
-		return NULL;
-
-	return names[id];
-}
-
-int sqfs_compressor_id_from_name(const char *name)
-{
-	size_t i;
-
-	for (i = 0; i < sizeof(names) / sizeof(names[0]); ++i) {
-		if (names[i] != NULL && strcmp(names[i], name) == 0)
-			return i;
-	}
-
-	return SQFS_ERROR_UNSUPPORTED;
-}
-
-int sqfs_compressor_config_init(sqfs_compressor_config_t *cfg,
-				SQFS_COMPRESSOR id,
-				size_t block_size, sqfs_u16 flags)
-{
-	sqfs_u32 flag_mask = SQFS_COMP_FLAG_GENERIC_ALL;
-
-	memset(cfg, 0, sizeof(*cfg));
-
-	switch (id) {
-	case SQFS_COMP_GZIP:
-		flag_mask |= SQFS_COMP_FLAG_GZIP_ALL;
-		cfg->level = SQFS_GZIP_DEFAULT_LEVEL;
-		cfg->opt.gzip.window_size = SQFS_GZIP_DEFAULT_WINDOW;
-		break;
-	case SQFS_COMP_LZO:
-		cfg->opt.lzo.algorithm = SQFS_LZO_DEFAULT_ALG;
-		cfg->level = SQFS_LZO_DEFAULT_LEVEL;
-		break;
-	case SQFS_COMP_ZSTD:
-		cfg->level = SQFS_ZSTD_DEFAULT_LEVEL;
-		break;
-	case SQFS_COMP_XZ:
-		flag_mask |= SQFS_COMP_FLAG_XZ_ALL;
-		cfg->level = SQFS_XZ_DEFAULT_LEVEL;
-		cfg->opt.xz.dict_size = block_size;
-		cfg->opt.xz.lc = SQFS_XZ_DEFAULT_LC;
-		cfg->opt.xz.lp = SQFS_XZ_DEFAULT_LP;
-		cfg->opt.xz.pb = SQFS_XZ_DEFAULT_PB;
-
-		if (block_size < SQFS_XZ_MIN_DICT_SIZE)
-			cfg->opt.xz.dict_size = SQFS_XZ_MIN_DICT_SIZE;
-		break;
-	case SQFS_COMP_LZMA:
-		flag_mask |= SQFS_COMP_FLAG_LZMA_ALL;
-		cfg->level = SQFS_LZMA_DEFAULT_LEVEL;
-		cfg->opt.lzma.dict_size = block_size;
-		cfg->opt.lzma.lc = SQFS_LZMA_DEFAULT_LC;
-		cfg->opt.lzma.lp = SQFS_LZMA_DEFAULT_LP;
-		cfg->opt.lzma.pb = SQFS_LZMA_DEFAULT_PB;
-
-		if (block_size < SQFS_LZMA_MIN_DICT_SIZE)
-			cfg->opt.lzma.dict_size = SQFS_LZMA_MIN_DICT_SIZE;
-		break;
-	case SQFS_COMP_LZ4:
-		flag_mask |= SQFS_COMP_FLAG_LZ4_ALL;
-		break;
-	default:
-		return SQFS_ERROR_UNSUPPORTED;
-	}
-
-	if (flags & ~flag_mask) {
-		memset(cfg, 0, sizeof(*cfg));
-		return SQFS_ERROR_UNSUPPORTED;
-	}
-
-	cfg->id = id;
-	cfg->flags = flags;
-	cfg->block_size = block_size;
-	return 0;
-}