diff options
Diffstat (limited to 'lib/sqfshelper')
| -rw-r--r-- | lib/sqfshelper/Makemodule.am | 12 | ||||
| -rw-r--r-- | lib/sqfshelper/comp_opt.c | 379 | ||||
| -rw-r--r-- | lib/sqfshelper/compress.c | 33 | ||||
| -rw-r--r-- | lib/sqfshelper/data_reader_dump.c | 80 | ||||
| -rw-r--r-- | lib/sqfshelper/data_writer.c | 55 | ||||
| -rw-r--r-- | lib/sqfshelper/get_path.c | 41 | ||||
| -rw-r--r-- | lib/sqfshelper/inode_stat.c | 76 | ||||
| -rw-r--r-- | lib/sqfshelper/io_stdin.c | 174 | ||||
| -rw-r--r-- | lib/sqfshelper/perror.c | 67 | ||||
| -rw-r--r-- | lib/sqfshelper/print_version.c | 29 | ||||
| -rw-r--r-- | lib/sqfshelper/serialize_fstree.c | 220 | ||||
| -rw-r--r-- | lib/sqfshelper/statistics.c | 88 | ||||
| -rw-r--r-- | lib/sqfshelper/write_export_table.c | 43 | ||||
| -rw-r--r-- | lib/sqfshelper/writer.c | 281 | 
14 files changed, 0 insertions, 1578 deletions
| diff --git a/lib/sqfshelper/Makemodule.am b/lib/sqfshelper/Makemodule.am deleted file mode 100644 index b72b904..0000000 --- a/lib/sqfshelper/Makemodule.am +++ /dev/null @@ -1,12 +0,0 @@ -libsqfshelper_a_SOURCES = lib/sqfshelper/serialize_fstree.c -libsqfshelper_a_SOURCES += lib/sqfshelper/statistics.c -libsqfshelper_a_SOURCES += lib/sqfshelper/write_export_table.c -libsqfshelper_a_SOURCES += lib/sqfshelper/print_version.c -libsqfshelper_a_SOURCES += lib/sqfshelper/inode_stat.c -libsqfshelper_a_SOURCES += lib/sqfshelper/data_reader_dump.c -libsqfshelper_a_SOURCES += lib/sqfshelper/compress.c lib/sqfshelper/comp_opt.c -libsqfshelper_a_SOURCES += lib/sqfshelper/data_writer.c include/common.h -libsqfshelper_a_SOURCES += lib/sqfshelper/get_path.c lib/sqfshelper/io_stdin.c -libsqfshelper_a_SOURCES += lib/sqfshelper/writer.c lib/sqfshelper/perror.c - -noinst_LIBRARIES += libsqfshelper.a diff --git a/lib/sqfshelper/comp_opt.c b/lib/sqfshelper/comp_opt.c deleted file mode 100644 index 2b92da3..0000000 --- a/lib/sqfshelper/comp_opt.c +++ /dev/null @@ -1,379 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * comp_opt.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" - -#include <string.h> -#include <stdlib.h> -#include <getopt.h> -#include <ctype.h> - -typedef struct { -	const char *name; -	sqfs_u16 flag; -} flag_t; - -static const flag_t gzip_flags[] = { -	{ "default", SQFS_COMP_FLAG_GZIP_DEFAULT }, -	{ "filtered", SQFS_COMP_FLAG_GZIP_FILTERED }, -	{ "huffman", SQFS_COMP_FLAG_GZIP_HUFFMAN }, -	{ "rle", SQFS_COMP_FLAG_GZIP_RLE }, -	{ "fixed", SQFS_COMP_FLAG_GZIP_FIXED }, -}; - -static const flag_t xz_flags[] = { -	{ "x86", SQFS_COMP_FLAG_XZ_X86 }, -	{ "powerpc", SQFS_COMP_FLAG_XZ_POWERPC }, -	{ "ia64", SQFS_COMP_FLAG_XZ_IA64 }, -	{ "arm", SQFS_COMP_FLAG_XZ_ARM }, -	{ "armthumb", SQFS_COMP_FLAG_XZ_ARMTHUMB }, -	{ "sparc", SQFS_COMP_FLAG_XZ_SPARC }, -}; - -static const flag_t lz4_flags[] = { -	{ "hc", SQFS_COMP_FLAG_LZ4_HC }, -}; - -static const char *lzo_algs[] = { -	[SQFS_LZO1X_1] = "lzo1x_1", -	[SQFS_LZO1X_1_11] = "lzo1x_1_11", -	[SQFS_LZO1X_1_12] = "lzo1x_1_12", -	[SQFS_LZO1X_1_15] = "lzo1x_1_15", -	[SQFS_LZO1X_999] = "lzo1x_999", -}; - -static int set_flag(sqfs_compressor_config_t *cfg, const char *name, -		    const flag_t *flags, size_t num_flags) -{ -	size_t i; - -	for (i = 0; i < num_flags; ++i) { -		if (strcmp(flags[i].name, name) == 0) { -			cfg->flags |= flags[i].flag; -			return 0; -		} -	} - -	return -1; -} - -static int find_lzo_alg(sqfs_compressor_config_t *cfg, const char *name) -{ -	size_t i; - -	for (i = 0; i < sizeof(lzo_algs) / sizeof(lzo_algs[0]); ++i) { -		if (strcmp(lzo_algs[i], name) == 0) { -			cfg->opt.lzo.algorithm = i; -			return 0; -		} -	} - -	return -1; -} - -static int get_size_value(const char *value, sqfs_u32 *out, sqfs_u32 block_size) -{ -	int i; - -	for (i = 0; isdigit(value[i]) && i < 9; ++i) -		; - -	if (i < 1 || i > 9) -		return -1; - -	*out = atol(value); - -	switch (value[i]) { -	case '\0': -		break; -	case 'm': -	case 'M': -		*out <<= 20; -		break; -	case 'k': -	case 'K': -		*out <<= 10; -		break; -	case '%': -		*out = (*out * block_size) / 100; -		break; -	default: -		return -1; -	} - -	return 0; -} - -enum { -	OPT_WINDOW = 0, -	OPT_LEVEL, -	OPT_ALG, -	OPT_DICT, -}; -static char *const token[] = { -	[OPT_WINDOW] = (char *)"window", -	[OPT_LEVEL] = (char *)"level", -	[OPT_ALG] = (char *)"algorithm", -	[OPT_DICT] = (char *)"dictsize", -	NULL -}; - -int compressor_cfg_init_options(sqfs_compressor_config_t *cfg, -				E_SQFS_COMPRESSOR id, -				size_t block_size, char *options) -{ -	size_t num_flags = 0, min_level = 0, max_level = 0, level; -	const flag_t *flags = NULL; -	char *subopts, *value; -	int i, opt; - -	if (sqfs_compressor_config_init(cfg, id, block_size, 0)) -		return -1; - -	if (options == NULL) -		return 0; - -	switch (cfg->id) { -	case SQFS_COMP_GZIP: -		min_level = SQFS_GZIP_MIN_LEVEL; -		max_level = SQFS_GZIP_MAX_LEVEL; -		flags = gzip_flags; -		num_flags = sizeof(gzip_flags) / sizeof(gzip_flags[0]); -		break; -	case SQFS_COMP_LZO: -		min_level = SQFS_LZO_MIN_LEVEL; -		max_level = SQFS_LZO_MAX_LEVEL; -		break; -	case SQFS_COMP_ZSTD: -		min_level = SQFS_ZSTD_MIN_LEVEL; -		max_level = SQFS_ZSTD_MAX_LEVEL; -		break; -	case SQFS_COMP_XZ: -		flags = xz_flags; -		num_flags = sizeof(xz_flags) / sizeof(xz_flags[0]); -		break; -	case SQFS_COMP_LZ4: -		flags = lz4_flags; -		num_flags = sizeof(lz4_flags) / sizeof(lz4_flags[0]); -		break; -	default: -		break; -	} - -	subopts = options; - -	while (*subopts != '\0') { -		opt = getsubopt(&subopts, token, &value); - -		switch (opt) { -		case OPT_WINDOW: -			if (cfg->id != SQFS_COMP_GZIP) -				goto fail_opt; - -			if (value == NULL) -				goto fail_value; - -			for (i = 0; isdigit(value[i]); ++i) -				; - -			if (i < 1 || i > 3 || value[i] != '\0') -				goto fail_window; - -			cfg->opt.gzip.window_size = atoi(value); - -			if (cfg->opt.gzip.window_size < SQFS_GZIP_MIN_WINDOW || -			    cfg->opt.gzip.window_size > SQFS_GZIP_MAX_WINDOW) -				goto fail_window; -			break; -		case OPT_LEVEL: -			if (value == NULL) -				goto fail_value; - -			for (i = 0; isdigit(value[i]) && i < 3; ++i) -				; - -			if (i < 1 || i > 3 || value[i] != '\0') -				goto fail_level; - -			level = atoi(value); - -			if (level < min_level || level > max_level) -				goto fail_level; - -			switch (cfg->id) { -			case SQFS_COMP_GZIP: -				cfg->opt.gzip.level = level; -				break; -			case SQFS_COMP_LZO: -				cfg->opt.lzo.level = level; -				break; -			case SQFS_COMP_ZSTD: -				cfg->opt.zstd.level = level; -				break; -			default: -				goto fail_opt; -			} -			break; -		case OPT_ALG: -			if (cfg->id != SQFS_COMP_LZO) -				goto fail_opt; - -			if (value == NULL) -				goto fail_value; - -			if (find_lzo_alg(cfg, value)) -				goto fail_lzo_alg; -			break; -		case OPT_DICT: -			if (cfg->id != SQFS_COMP_XZ) -				goto fail_opt; - -			if (value == NULL) -				goto fail_value; - -			if (get_size_value(value, &cfg->opt.xz.dict_size, -					   cfg->block_size)) { -				goto fail_dict; -			} -			break; -		default: -			if (set_flag(cfg, value, flags, num_flags)) -				goto fail_opt; -			break; -		} -	} - -	return 0; -fail_lzo_alg: -	fprintf(stderr, "Unknown lzo variant '%s'.\n", value); -	return -1; -fail_window: -	fputs("Window size must be a number between 8 and 15.\n", stderr); -	return -1; -fail_level: -	fprintf(stderr, -		"Compression level must be a number between %zu and %zu.\n", -		min_level, max_level); -	return -1; -fail_opt: -	fprintf(stderr, "Unknown compressor option '%s'.\n", value); -	return -1; -fail_value: -	fprintf(stderr, "Missing value for compressor option '%s'.\n", -		token[opt]); -	return -1; -fail_dict: -	fputs("Dictionary size must be a number with the optional " -	      "suffix 'm','k' or '%'.\n", stderr); -	return -1; -} - -typedef void (*compressor_help_fun_t)(void); - -static void gzip_print_help(void) -{ -	size_t i; - -	printf( -"Available options for gzip compressor:\n" -"\n" -"    level=<value>    Compression level. Value from 1 to 9.\n" -"                     Defaults to %d.\n" -"    window=<size>    Deflate compression window size. Value from 8 to 15.\n" -"                     Defaults to %d.\n" -"\n" -"In additon to the options, one or more strategies can be specified.\n" -"If multiple stratgies are provided, the one yielding the best compression\n" -"ratio will be used.\n" -"\n" -"The following strategies are available:\n", -	SQFS_GZIP_DEFAULT_LEVEL, SQFS_GZIP_DEFAULT_WINDOW); - -	for (i = 0; i < sizeof(gzip_flags) / sizeof(gzip_flags[0]); ++i) -		printf("\t%s\n", gzip_flags[i].name); -} - -static void lz4_print_help(void) -{ -	fputs("Available options for lz4 compressor:\n" -	      "\n" -	      "    hc    If present, use slower but better compressing\n" -	      "          variant of lz4.\n" -	      "\n", -	      stdout); -} - -static void lzo_print_help(void) -{ -	size_t i; - -	fputs("Available options for lzo compressor:\n" -	      "\n" -	      "    algorithm=<name>  Specify the variant of lzo to use.\n" -	      "                      Defaults to 'lzo1x_999'.\n" -	      "    level=<value>     For lzo1x_999, the compression level.\n" -	      "                      Value from 1 to 9. Defaults to 8.\n" -	      "                      Ignored if algorithm is not lzo1x_999.\n" -	      "\n" -	      "Available algorithms:\n", -	      stdout); - -	for (i = 0; i < sizeof(lzo_algs) / sizeof(lzo_algs[0]); ++i) -		printf("\t%s\n", lzo_algs[i]); -} - -static void xz_print_help(void) -{ -	size_t i; - -	fputs( -"Available options for xz compressor:\n" -"\n" -"    dictsize=<value>  Dictionary size. Either a value in bytes or a\n" -"                      percentage of the block size. Defaults to 100%.\n" -"                      The suffix '%' indicates a percentage. 'K' and 'M'\n" -"                      can also be used for kibi and mebi bytes\n" -"                      respecitively.\n" -"\n" -"In additon to the options, one or more bcj filters can be specified.\n" -"If multiple filters are provided, the one yielding the best compression\n" -"ratio will be used.\n" -"\n" -"The following filters are available:\n", -	stdout); - -	for (i = 0; i < sizeof(xz_flags) / sizeof(xz_flags[0]); ++i) -		printf("\t%s\n", xz_flags[i].name); -} - -static void zstd_print_help(void) -{ -	printf("Available options for zstd compressor:\n" -	       "\n" -	       "    level=<value>    Set compression level. Defaults to %d.\n" -	       "                     Maximum is %d.\n" -	       "\n", -	       SQFS_ZSTD_DEFAULT_LEVEL, SQFS_ZSTD_MAX_LEVEL); -} - -static const compressor_help_fun_t helpfuns[SQFS_COMP_MAX + 1] = { -	[SQFS_COMP_GZIP] = gzip_print_help, -	[SQFS_COMP_XZ] = xz_print_help, -	[SQFS_COMP_LZO] = lzo_print_help, -	[SQFS_COMP_LZ4] = lz4_print_help, -	[SQFS_COMP_ZSTD] = zstd_print_help, -}; - -void compressor_print_help(E_SQFS_COMPRESSOR id) -{ -	if (id < SQFS_COMP_MIN || id > SQFS_COMP_MAX) -		return; - -	if (helpfuns[id] == NULL) -		return; - -	helpfuns[id](); -} diff --git a/lib/sqfshelper/compress.c b/lib/sqfshelper/compress.c deleted file mode 100644 index 04e1f40..0000000 --- a/lib/sqfshelper/compress.c +++ /dev/null @@ -1,33 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * compress.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" - -E_SQFS_COMPRESSOR compressor_get_default(void) -{ -	if (sqfs_compressor_exists(SQFS_COMP_XZ)) -		return SQFS_COMP_XZ; - -	if (sqfs_compressor_exists(SQFS_COMP_ZSTD)) -		return SQFS_COMP_ZSTD; - -	return SQFS_COMP_GZIP; -} - -void compressor_print_available(void) -{ -	int i; - -	fputs("Available compressors:\n", stdout); - -	for (i = SQFS_COMP_MIN; i <= SQFS_COMP_MAX; ++i) { -		if (sqfs_compressor_exists(i)) -			printf("\t%s\n", sqfs_compressor_name_from_id(i)); -	} - -	printf("\nDefault compressor: %s\n", -	       sqfs_compressor_name_from_id(compressor_get_default())); -} diff --git a/lib/sqfshelper/data_reader_dump.c b/lib/sqfshelper/data_reader_dump.c deleted file mode 100644 index 140f527..0000000 --- a/lib/sqfshelper/data_reader_dump.c +++ /dev/null @@ -1,80 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * data_reader_dump.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" -#include "util.h" - -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <stdio.h> - -int sqfs_data_reader_dump(const char *name, sqfs_data_reader_t *data, -			  const sqfs_inode_generic_t *inode, -			  int outfd, size_t block_size, bool allow_sparse) -{ -	sqfs_block_t *blk; -	sqfs_u64 filesz; -	size_t i, diff; -	int err; - -	sqfs_inode_get_file_size(inode, &filesz); - -	if (allow_sparse && ftruncate(outfd, filesz)) -		goto fail_sparse; - -	for (i = 0; i < inode->num_file_blocks; ++i) { -		if (SQFS_IS_SPARSE_BLOCK(inode->block_sizes[i]) && -		    allow_sparse) { -			if (filesz < block_size) { -				diff = filesz; -				filesz = 0; -			} else { -				diff = block_size; -				filesz -= block_size; -			} - -			if (lseek(outfd, diff, SEEK_CUR) == (off_t)-1) -				goto fail_sparse; -		} else { -			err = sqfs_data_reader_get_block(data, inode, i, &blk); -			if (err) { -				sqfs_perror(name, "reading data block", err); -				return -1; -			} - -			if (write_data("writing uncompressed block", -				       outfd, blk->data, blk->size)) { -				free(blk); -				return -1; -			} - -			filesz -= blk->size; -			free(blk); -		} -	} - -	if (filesz > 0) { -		err = sqfs_data_reader_get_fragment(data, inode, &blk); -		if (err) { -			sqfs_perror(name, "reading fragment block", err); -			return -1; -		} - -		if (write_data("writing uncompressed fragment", outfd, -			       blk->data, blk->size)) { -			free(blk); -			return -1; -		} - -		free(blk); -	} - -	return 0; -fail_sparse: -	perror("creating sparse output file"); -	return -1; -} diff --git a/lib/sqfshelper/data_writer.c b/lib/sqfshelper/data_writer.c deleted file mode 100644 index 36de154..0000000 --- a/lib/sqfshelper/data_writer.c +++ /dev/null @@ -1,55 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * data_writer.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" -#include "util.h" - -static sqfs_u8 buffer[4096]; - -int write_data_from_file(const char *filename, sqfs_data_writer_t *data, -			 sqfs_inode_generic_t *inode, sqfs_file_t *file, -			 int flags) -{ -	sqfs_u64 filesz, offset; -	size_t diff; -	int ret; - -	ret = sqfs_data_writer_begin_file(data, inode, flags); -	if (ret) { -		sqfs_perror(filename, "beginning file data blocks", ret); -		return -1; -	} - -	sqfs_inode_get_file_size(inode, &filesz); - -	for (offset = 0; offset < filesz; offset += diff) { -		if (filesz - offset > sizeof(buffer)) { -			diff = sizeof(buffer); -		} else { -			diff = filesz - offset; -		} - -		ret = file->read_at(file, offset, buffer, diff); -		if (ret) { -			sqfs_perror(filename, "reading file range", ret); -			return -1; -		} - -		ret = sqfs_data_writer_append(data, buffer, diff); -		if (ret) { -			sqfs_perror(filename, "packing file data", ret); -			return -1; -		} -	} - -	ret = sqfs_data_writer_end_file(data); -	if (ret) { -		sqfs_perror(filename, "finishing file data", ret); -		return -1; -	} - -	return 0; -} diff --git a/lib/sqfshelper/get_path.c b/lib/sqfshelper/get_path.c deleted file mode 100644 index bdc6c3f..0000000 --- a/lib/sqfshelper/get_path.c +++ /dev/null @@ -1,41 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * get_path.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" - -#include <string.h> -#include <stdlib.h> - -char *sqfs_tree_node_get_path(const sqfs_tree_node_t *node) -{ -	const sqfs_tree_node_t *it; -	char *str, *ptr; -	size_t len = 0; - -	if (node->parent == NULL) -		return strdup("/"); - -	for (it = node; it != NULL && it->parent != NULL; it = it->parent) { -		len += strlen((const char *)it->name) + 1; -	} - -	str = malloc(len + 1); -	if (str == NULL) -		return NULL; - -	ptr = str + len; -	*ptr = '\0'; - -	for (it = node; it != NULL && it->parent != NULL; it = it->parent) { -		len = strlen((const char *)it->name); -		ptr -= len; - -		memcpy(ptr, (const char *)it->name, len); -		*(--ptr) = '/'; -	} - -	return str; -} diff --git a/lib/sqfshelper/inode_stat.c b/lib/sqfshelper/inode_stat.c deleted file mode 100644 index a73436b..0000000 --- a/lib/sqfshelper/inode_stat.c +++ /dev/null @@ -1,76 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * inode_stat.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" - -#include <stdlib.h> -#include <string.h> -#include <stdio.h> - -int inode_stat(const sqfs_tree_node_t *node, struct stat *sb) -{ -	memset(sb, 0, sizeof(*sb)); - -	sb->st_mode = node->inode->base.mode; -	sb->st_uid = node->uid; -	sb->st_gid = node->gid; -	sb->st_atime = node->inode->base.mod_time; -	sb->st_mtime = node->inode->base.mod_time; -	sb->st_ctime = node->inode->base.mod_time; -	sb->st_ino = node->inode->base.inode_number; -	sb->st_nlink = 1; -	sb->st_blksize = 512; - -	switch (node->inode->base.type) { -	case SQFS_INODE_BDEV: -	case SQFS_INODE_CDEV: -		sb->st_rdev = node->inode->data.dev.devno; -		sb->st_nlink = node->inode->data.dev.nlink; -		break; -	case SQFS_INODE_EXT_BDEV: -	case SQFS_INODE_EXT_CDEV: -		sb->st_rdev = node->inode->data.dev_ext.devno; -		sb->st_nlink = node->inode->data.dev_ext.nlink; -		break; -	case SQFS_INODE_FIFO: -	case SQFS_INODE_SOCKET: -		sb->st_nlink = node->inode->data.ipc.nlink; -		break; -	case SQFS_INODE_EXT_FIFO: -	case SQFS_INODE_EXT_SOCKET: -		sb->st_nlink = node->inode->data.ipc_ext.nlink; -		break; -	case SQFS_INODE_SLINK: -		sb->st_size = node->inode->data.slink.target_size; -		sb->st_nlink = node->inode->data.slink.nlink; -		break; -	case SQFS_INODE_EXT_SLINK: -		sb->st_size = node->inode->data.slink_ext.target_size; -		sb->st_nlink = node->inode->data.slink_ext.nlink; -		break; -	case SQFS_INODE_FILE: -		sb->st_size = node->inode->data.file.file_size; -		break; -	case SQFS_INODE_EXT_FILE: -		sb->st_size = node->inode->data.file_ext.file_size; -		sb->st_nlink = node->inode->data.file_ext.nlink; -		break; -	case SQFS_INODE_DIR: -		sb->st_size = node->inode->data.dir.size; -		sb->st_nlink = node->inode->data.dir.nlink; -		break; -	case SQFS_INODE_EXT_DIR: -		sb->st_size = node->inode->data.dir_ext.size; -		sb->st_nlink = node->inode->data.dir_ext.nlink; -		break; -	} - -	sb->st_blocks = sb->st_size / sb->st_blksize; -	if (sb->st_size % sb->st_blksize) -		sb->st_blocks += 1; - -	return 0; -} diff --git a/lib/sqfshelper/io_stdin.c b/lib/sqfshelper/io_stdin.c deleted file mode 100644 index 0e9fb17..0000000 --- a/lib/sqfshelper/io_stdin.c +++ /dev/null @@ -1,174 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * io_stdin.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" - -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> - - -typedef struct { -	sqfs_file_t base; - -	const sparse_map_t *map; -	sqfs_u64 offset; -	sqfs_u64 size; -} sqfs_file_stdin_t; - - -static void stdin_destroy(sqfs_file_t *base) -{ -	free(base); -} - -static int stdin_read_at(sqfs_file_t *base, sqfs_u64 offset, -			 void *buffer, size_t size) -{ -	sqfs_file_stdin_t *file = (sqfs_file_stdin_t *)base; -	size_t temp_size = 0; -	sqfs_u8 *temp = NULL; -	sqfs_u64 diff; -	ssize_t ret; - -	if (offset < file->offset) -		return SQFS_ERROR_IO; - -	if (offset > file->offset) { -		temp_size = 1024; -		temp = alloca(temp_size); -	} - -	if (offset >= file->size || (offset + size) > file->size) -		return SQFS_ERROR_OUT_OF_BOUNDS; - -	while (size > 0) { -		if (offset > file->offset) { -			diff = file->offset - offset; -			diff = diff > (sqfs_u64)temp_size ? temp_size : diff; - -			ret = read(STDIN_FILENO, temp, diff); -		} else { -			ret = read(STDIN_FILENO, buffer, size); -		} - -		if (ret < 0) { -			if (errno == EINTR) -				continue; -			return SQFS_ERROR_IO; -		} - -		if (ret == 0) -			return SQFS_ERROR_OUT_OF_BOUNDS; - -		if (offset <= file->offset) { -			buffer = (char *)buffer + ret; -			size -= ret; -			offset += ret; -		} - -		file->offset += ret; -	} - -	return 0; -} - -static int stdin_read_condensed(sqfs_file_t *base, sqfs_u64 offset, -				void *buffer, size_t size) -{ -	sqfs_file_stdin_t *file = (sqfs_file_stdin_t *)base; -	sqfs_u64 poffset = 0, src_start; -	size_t dst_start, diff, count; -	const sparse_map_t *it; -	int err; - -	memset(buffer, 0, size); - -	for (it = file->map; it != NULL; it = it->next) { -		if (it->offset + it->count <= offset) { -			poffset += it->count; -			continue; -		} - -		if (it->offset >= offset + size) { -			poffset += it->count; -			continue; -		} - -		count = size; - -		if (offset + count >= it->offset + it->count) -			count = it->offset + it->count - offset; - -		if (it->offset < offset) { -			diff = offset - it->offset; - -			src_start = poffset + diff; -			dst_start = 0; -			count -= diff; -		} else if (it->offset > offset) { -			diff = it->offset - offset; - -			src_start = poffset; -			dst_start = diff; -		} else { -			src_start = poffset; -			dst_start = 0; -		} - -		err = stdin_read_at(base, src_start, -				    (char *)buffer + dst_start, count); -		if (err) -			return err; - -		poffset += it->count; -	} - -	return 0; -} - -static int stdin_write_at(sqfs_file_t *base, sqfs_u64 offset, -			  const void *buffer, size_t size) -{ -	(void)base; (void)offset; (void)buffer; (void)size; -	return SQFS_ERROR_IO; -} - -static sqfs_u64 stdin_get_size(const sqfs_file_t *base) -{ -	return ((const sqfs_file_stdin_t *)base)->size; -} - -static int stdin_truncate(sqfs_file_t *base, sqfs_u64 size) -{ -	(void)base; (void)size; -	return SQFS_ERROR_IO; -} - -sqfs_file_t *sqfs_get_stdin_file(const sparse_map_t *map, sqfs_u64 size) -{ -	sqfs_file_stdin_t *file = calloc(1, sizeof(*file)); -	sqfs_file_t *base = (sqfs_file_t *)file; - -	if (file == NULL) -		return NULL; - -	file->size = size; -	file->map = map; - -	base->destroy = stdin_destroy; -	base->write_at = stdin_write_at; -	base->get_size = stdin_get_size; -	base->truncate = stdin_truncate; - -	if (map == NULL) { -		base->read_at = stdin_read_at; -	} else { -		base->read_at = stdin_read_condensed; -	} -	return base; -} diff --git a/lib/sqfshelper/perror.c b/lib/sqfshelper/perror.c deleted file mode 100644 index 9b9f041..0000000 --- a/lib/sqfshelper/perror.c +++ /dev/null @@ -1,67 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * print_version.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" - -#include <stdio.h> - -void sqfs_perror(const char *file, const char *action, int error_code) -{ -	const char *errstr; - -	switch (error_code) { -	case SQFS_ERROR_ALLOC: -		errstr = "out of memory"; -		break; -	case SQFS_ERROR_IO: -		errstr = "I/O error"; -		break; -	case SQFS_ERROR_COMPRESSOR: -		errstr = "internal compressor error"; -		break; -	case SQFS_ERROR_INTERNAL: -		errstr = "internal error"; -		break; -	case SQFS_ERROR_CORRUPTED: -		errstr = "data corrupted"; -		break; -	case SQFS_ERROR_UNSUPPORTED: -		errstr = "unknown or not supported"; -		break; -	case SQFS_ERROR_OVERFLOW: -		errstr = "numeric overflow"; -		break; -	case SQFS_ERROR_OUT_OF_BOUNDS: -		errstr = "location out of bounds"; -		break; -	case SFQS_ERROR_SUPER_MAGIC: -		errstr = "wrong magic value in super block"; -		break; -	case SFQS_ERROR_SUPER_VERSION: -		errstr = "wrong squashfs version in super block"; -		break; -	case SQFS_ERROR_SUPER_BLOCK_SIZE: -		errstr = "invalid block size specified in super block"; -		break; -	case SQFS_ERROR_NOT_DIR: -		errstr = "target is not a directory"; -		break; -	case SQFS_ERROR_NO_ENTRY: -		errstr = "no such file or directory"; -		break; -	case SQFS_ERROR_LINK_LOOP: -		errstr = "hard link loop detected"; -		break; -	case SQFS_ERROR_NOT_FILE: -		errstr = "target is not a file"; -		break; -	default: -		errstr = "libsquashfs returned an unknown error code"; -		break; -	} - -	fprintf(stderr, "%s: %s: %s.\n", file, action, errstr); -} diff --git a/lib/sqfshelper/print_version.c b/lib/sqfshelper/print_version.c deleted file mode 100644 index b23e2bd..0000000 --- a/lib/sqfshelper/print_version.c +++ /dev/null @@ -1,29 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * print_version.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "config.h" - -#include "util.h" - -#include <stdio.h> - -#define LICENSE_SHORT "GPLv3+" -#define LICENSE_LONG "GNU GPL version 3 or later" -#define LICENSE_URL "https://gnu.org/licenses/gpl.html" - -extern char *__progname; - -static const char *version_string = -"%s (%s) %s\n" -"Copyright (c) 2019 David Oberhollenzer et al\n" -"License " LICENSE_SHORT ": " LICENSE_LONG " <" LICENSE_URL ">.\n" -"This is free software: you are free to change and redistribute it.\n" -"There is NO WARRANTY, to the extent permitted by law.\n"; - -void print_version(void) -{ -	printf(version_string, __progname, PACKAGE_NAME, PACKAGE_VERSION); -} diff --git a/lib/sqfshelper/serialize_fstree.c b/lib/sqfshelper/serialize_fstree.c deleted file mode 100644 index 14f0a42..0000000 --- a/lib/sqfshelper/serialize_fstree.c +++ /dev/null @@ -1,220 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * serialize_fstree.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" - -#include <assert.h> -#include <unistd.h> -#include <stdlib.h> -#include <string.h> -#include <stdio.h> - -static sqfs_inode_generic_t *tree_node_to_inode(tree_node_t *node) -{ -	sqfs_inode_generic_t *inode; -	size_t extra = 0; - -	if (S_ISLNK(node->mode)) -		extra = strlen(node->data.slink_target); - -	inode = alloc_flex(sizeof(*inode), 1, extra); -	if (inode == NULL) { -		perror("creating inode"); -		return NULL; -	} - -	switch (node->mode & S_IFMT) { -	case S_IFSOCK: -		inode->base.type = SQFS_INODE_SOCKET; -		inode->data.ipc.nlink = 1; -		break; -	case S_IFIFO: -		inode->base.type = SQFS_INODE_FIFO; -		inode->data.ipc.nlink = 1; -		break; -	case S_IFLNK: -		inode->base.type = SQFS_INODE_SLINK; -		inode->data.slink.nlink = 1; -		inode->data.slink.target_size = extra; -		inode->slink_target = (char *)inode->extra; -		memcpy(inode->extra, node->data.slink_target, extra); -		break; -	case S_IFBLK: -		inode->base.type = SQFS_INODE_BDEV; -		inode->data.dev.nlink = 1; -		inode->data.dev.devno = node->data.devno; -		break; -	case S_IFCHR: -		inode->base.type = SQFS_INODE_CDEV; -		inode->data.dev.nlink = 1; -		inode->data.dev.devno = node->data.devno; -		break; -	default: -		assert(0); -	} - -	return inode; -} - -static sqfs_inode_generic_t *write_dir_entries(const char *filename, -					       sqfs_dir_writer_t *dirw, -					       tree_node_t *node) -{ -	sqfs_u32 xattr, parent_inode; -	sqfs_inode_generic_t *inode; -	tree_node_t *it; -	int ret; - -	ret = sqfs_dir_writer_begin(dirw, 0); -	if (ret) -		goto fail; - -	for (it = node->data.dir.children; it != NULL; it = it->next) { -		ret = sqfs_dir_writer_add_entry(dirw, it->name, it->inode_num, -						it->inode_ref, it->mode); -		if (ret) -			goto fail; -	} - -	ret = sqfs_dir_writer_end(dirw); -	if (ret) -		goto fail; - -	xattr = node->xattr_idx; -	parent_inode = (node->parent == NULL) ? 0 : node->parent->inode_num; - -	inode = sqfs_dir_writer_create_inode(dirw, 0, xattr, parent_inode); -	if (inode == NULL) { -		ret = SQFS_ERROR_ALLOC; -		goto fail; -	} - -	return inode; -fail: -	sqfs_perror(filename, "recoding directory entries", ret); -	return NULL; -} - -int sqfs_serialize_fstree(const char *filename, sqfs_file_t *file, -			  sqfs_super_t *super, fstree_t *fs, -			  sqfs_compressor_t *cmp, sqfs_id_table_t *idtbl) -{ -	sqfs_inode_generic_t *inode; -	sqfs_meta_writer_t *im, *dm; -	sqfs_dir_writer_t *dirwr; -	sqfs_u32 offset; -	sqfs_u64 block; -	tree_node_t *n; -	int ret = -1; -	size_t i; - -	im = sqfs_meta_writer_create(file, cmp, 0); -	if (im == NULL) { -		ret = SQFS_ERROR_ALLOC; -		goto out_err; -	} - -	dm = sqfs_meta_writer_create(file, cmp, -				     SQFS_META_WRITER_KEEP_IN_MEMORY); -	if (dm == NULL) { -		ret = SQFS_ERROR_ALLOC; -		goto out_im; -	} - -	dirwr = sqfs_dir_writer_create(dm); -	if (dirwr == NULL) { -		ret = SQFS_ERROR_ALLOC; -		goto out_dm; -	} - -	super->inode_table_start = file->get_size(file); - -	for (i = 0; i < fs->inode_tbl_size; ++i) { -		n = fs->inode_table[i]; - -		if (S_ISDIR(n->mode)) { -			inode = write_dir_entries(filename, dirwr, n); - -			if (inode == NULL) { -				ret = 1; -				goto out; -			} -		} else if (S_ISREG(n->mode)) { -			inode = n->data.file.user_ptr; -			n->data.file.user_ptr = NULL; - -			if (inode == NULL) { -				ret = SQFS_ERROR_INTERNAL; -				goto out; -			} -		} else { -			inode = tree_node_to_inode(n); - -			if (inode == NULL) { -				ret = SQFS_ERROR_ALLOC; -				goto out; -			} -		} - -		inode->base.mode = n->mode; -		inode->base.mod_time = n->mod_time; -		inode->base.inode_number = n->inode_num; - -		sqfs_inode_set_xattr_index(inode, n->xattr_idx); - -		ret = sqfs_id_table_id_to_index(idtbl, n->uid, -						&inode->base.uid_idx); -		if (ret) { -			free(inode); -			goto out; -		} - -		ret = sqfs_id_table_id_to_index(idtbl, n->gid, -						&inode->base.gid_idx); -		if (ret) { -			free(inode); -			goto out; -		} - -		sqfs_meta_writer_get_position(im, &block, &offset); -		fs->inode_table[i]->inode_ref = (block << 16) | offset; - -		ret = sqfs_meta_writer_write_inode(im, inode); -		free(inode); - -		if (ret) -			goto out; -	} - -	ret = sqfs_meta_writer_flush(im); -	if (ret) -		goto out; - -	ret = sqfs_meta_writer_flush(dm); -	if (ret) -		goto out; - -	super->root_inode_ref = fs->root->inode_ref; -	super->directory_table_start = file->get_size(file); - -	ret = sqfs_meta_write_write_to_file(dm); -	if (ret) -		goto out; - -	ret = 0; -out: -	sqfs_dir_writer_destroy(dirwr); -out_dm: -	sqfs_meta_writer_destroy(dm); -out_im: -	sqfs_meta_writer_destroy(im); -out_err: -	if (ret < 0) { -		sqfs_perror(filename, "storing filesystem tree", -			    ret); -	} -	return ret; -} diff --git a/lib/sqfshelper/statistics.c b/lib/sqfshelper/statistics.c deleted file mode 100644 index a209461..0000000 --- a/lib/sqfshelper/statistics.c +++ /dev/null @@ -1,88 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * statistics.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" - -#include <stdio.h> - -static void post_block_write(void *user, const sqfs_block_t *block, -			     sqfs_file_t *file) -{ -	data_writer_stats_t *stats = user; -	(void)file; - -	if (block->size == 0) -		return; - -	if (block->flags & SQFS_BLK_FRAGMENT_BLOCK) { -		stats->frag_blocks_written += 1; -	} else { -		stats->blocks_written += 1; -	} - -	stats->bytes_written += block->size; -} - -static void pre_fragment_store(void *user, sqfs_block_t *block) -{ -	data_writer_stats_t *stats = user; -	(void)block; - -	stats->frag_count += 1; -} - -static void notify_blocks_erased(void *user, size_t count, sqfs_u64 bytes) -{ -	data_writer_stats_t *stats = user; - -	stats->bytes_written -= bytes; -	stats->blocks_written -= count; -	stats->duplicate_blocks += count; -} - -static void notify_fragment_discard(void *user, const sqfs_block_t *block) -{ -	data_writer_stats_t *stats = user; -	(void)block; - -	stats->frag_dup += 1; -} - -static const sqfs_block_hooks_t hooks = { -	.size = sizeof(hooks), -	.post_block_write = post_block_write, -	.pre_fragment_store = pre_fragment_store, -	.notify_blocks_erased = notify_blocks_erased, -	.notify_fragment_discard = notify_fragment_discard, -}; - -void register_stat_hooks(sqfs_data_writer_t *data, data_writer_stats_t *stats) -{ -	sqfs_data_writer_set_hooks(data, stats, &hooks); -} - -void sqfs_print_statistics(sqfs_super_t *super, data_writer_stats_t *stats) -{ -	size_t ratio; - -	if (stats->bytes_written > 0) { -		ratio = (100 * stats->bytes_written) / stats->bytes_read; -	} else { -		ratio = 100; -	} - -	fputs("---------------------------------------------------\n", stdout); -	printf("Input files processed: %zu\n", stats->file_count); -	printf("Data blocks actually written: %zu\n", stats->blocks_written); -	printf("Fragment blocks written: %zu\n", stats->frag_blocks_written); -	printf("Duplicate data blocks omitted: %zu\n", stats->duplicate_blocks); -	printf("Sparse blocks omitted: %zu\n", stats->sparse_blocks); -	printf("Fragments actually written: %zu\n", stats->frag_count); -	printf("Duplicated fragments omitted: %zu\n", stats->frag_dup); -	printf("Total number of inodes: %u\n", super->inode_count); -	printf("Number of unique group/user IDs: %u\n", super->id_count); -	printf("Data compression ratio: %zu%%\n", ratio); -} diff --git a/lib/sqfshelper/write_export_table.c b/lib/sqfshelper/write_export_table.c deleted file mode 100644 index c797577..0000000 --- a/lib/sqfshelper/write_export_table.c +++ /dev/null @@ -1,43 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * write_export_table.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" - -#include <stdlib.h> -#include <stdio.h> - -int write_export_table(const char *filename, sqfs_file_t *file, -		       fstree_t *fs, sqfs_super_t *super, -		       sqfs_compressor_t *cmp) -{ -	sqfs_u64 *table, start; -	size_t i, size; -	int ret; - -	if (fs->inode_tbl_size < 1) -		return 0; - -	table = alloc_array(sizeof(sqfs_u64), fs->inode_tbl_size); - -	if (table == NULL) { -		perror("Allocating NFS export table"); -		return -1; -	} - -	for (i = 0; i < fs->inode_tbl_size; ++i) { -		table[i] = htole64(fs->inode_table[i]->inode_ref); -	} - -	size = sizeof(sqfs_u64) * fs->inode_tbl_size; -	ret = sqfs_write_table(file, cmp, table, size, &start); -	if (ret) -		sqfs_perror(filename, "writing NFS export table", ret); - -	super->export_table_start = start; -	super->flags |= SQFS_FLAG_EXPORTABLE; -	free(table); -	return ret; -} diff --git a/lib/sqfshelper/writer.c b/lib/sqfshelper/writer.c deleted file mode 100644 index fa732ad..0000000 --- a/lib/sqfshelper/writer.c +++ /dev/null @@ -1,281 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * writer.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "common.h" - -#include <string.h> -#include <stdlib.h> - -#ifdef HAVE_SYS_SYSINFO_H -#include <sys/sysinfo.h> - -static size_t os_get_num_jobs(void) -{ -	int nprocs; - -	nprocs = get_nprocs_conf(); -	return nprocs < 1 ? 1 : nprocs; -} - -static size_t os_get_max_ram(void) -{ -	struct sysinfo info; - -	if (sysinfo(&info)) { -		perror("sysinfo"); -		return 0; -	} - -	return info.totalram; -} -#else -static size_t os_get_num_jobs(void) -{ -	return 1; -} - -static size_t os_get_max_ram(void) -{ -	(void)cfg; -	return 0; -} -#endif - -static int padd_sqfs(sqfs_file_t *file, sqfs_u64 size, size_t blocksize) -{ -	size_t padd_sz = size % blocksize; -	int status = -1; -	sqfs_u8 *buffer; - -	if (padd_sz == 0) -		return 0; - -	padd_sz = blocksize - padd_sz; - -	buffer = calloc(1, padd_sz); -	if (buffer == NULL) -		goto fail_errno; - -	if (file->write_at(file, file->get_size(file), -			   buffer, padd_sz)) { -		goto fail_errno; -	} - -	status = 0; -out: -	free(buffer); -	return status; -fail_errno: -	perror("padding output file to block size"); -	goto out; -} - -void sqfs_writer_cfg_init(sqfs_writer_cfg_t *cfg) -{ -	size_t max_ram; - -	memset(cfg, 0, sizeof(*cfg)); - -	cfg->num_jobs = os_get_num_jobs(); -	cfg->block_size = SQFS_DEFAULT_BLOCK_SIZE; -	cfg->devblksize = SQFS_DEVBLK_SIZE; -	cfg->comp_id = compressor_get_default(); - -	max_ram = os_get_max_ram(); -	cfg->max_backlog = (max_ram / 2) / cfg->block_size; - -	if (cfg->max_backlog < 1) -		cfg->max_backlog = 10 * cfg->num_jobs; -} - -int sqfs_writer_init(sqfs_writer_t *sqfs, const sqfs_writer_cfg_t *wrcfg) -{ -	sqfs_compressor_config_t cfg; -	int ret; - -	if (compressor_cfg_init_options(&cfg, wrcfg->comp_id, -					wrcfg->block_size, -					wrcfg->comp_extra)) { -		return -1; -	} - -	sqfs->outfile = sqfs_open_file(wrcfg->filename, wrcfg->outmode); -	if (sqfs->outfile == NULL) { -		perror(wrcfg->filename); -		return -1; -	} - -	if (fstree_init(&sqfs->fs, wrcfg->fs_defaults)) -		goto fail_file; - -	sqfs->cmp = sqfs_compressor_create(&cfg); -	if (sqfs->cmp == NULL) { -		fputs("Error creating compressor\n", stderr); -		goto fail_fs; -	} - -	ret = sqfs_super_init(&sqfs->super, wrcfg->block_size, -			      sqfs->fs.defaults.st_mtime, wrcfg->comp_id); -	if (ret) { -		sqfs_perror(wrcfg->filename, "initializing super block", ret); -		goto fail_cmp; -	} - -	ret = sqfs_super_write(&sqfs->super, sqfs->outfile); -	if (ret) { -		sqfs_perror(wrcfg->filename, "writing super block", ret); -		goto fail_cmp; -	} - -	ret = sqfs->cmp->write_options(sqfs->cmp, sqfs->outfile); -	if (ret < 0) { -		sqfs_perror(wrcfg->filename, "writing compressor options", ret); -		goto fail_cmp; -	} - -	if (ret > 0) -		sqfs->super.flags |= SQFS_FLAG_COMPRESSOR_OPTIONS; - -	sqfs->data = sqfs_data_writer_create(sqfs->super.block_size, -					     sqfs->cmp, wrcfg->num_jobs, -					     wrcfg->max_backlog, -					     wrcfg->devblksize, -					     sqfs->outfile); -	if (sqfs->data == NULL) { -		perror("creating data block processor"); -		goto fail_cmp; -	} - -	register_stat_hooks(sqfs->data, &sqfs->stats); - -	sqfs->idtbl = sqfs_id_table_create(); -	if (sqfs->idtbl == NULL) { -		sqfs_perror(wrcfg->filename, "creating ID table", -			    SQFS_ERROR_ALLOC); -		goto fail_data; -	} - -	if (!wrcfg->no_xattr) { -		sqfs->xwr = sqfs_xattr_writer_create(); - -		if (sqfs->xwr == NULL) { -			sqfs_perror(wrcfg->filename, "creating xattr writer", -				    SQFS_ERROR_ALLOC); -			goto fail; -		} -	} - -	return 0; -fail: -	if (sqfs->xwr != NULL) -		sqfs_xattr_writer_destroy(sqfs->xwr); -	sqfs_id_table_destroy(sqfs->idtbl); -fail_data: -	sqfs_data_writer_destroy(sqfs->data); -fail_cmp: -	sqfs->cmp->destroy(sqfs->cmp); -fail_fs: -	fstree_cleanup(&sqfs->fs); -fail_file: -	sqfs->outfile->destroy(sqfs->outfile); -	return -1; -} - -int sqfs_writer_finish(sqfs_writer_t *sqfs, const sqfs_writer_cfg_t *cfg) -{ -	int ret; - -	if (!cfg->quiet) -		fputs("Waiting for remaining data blocks...\n", stdout); - -	ret = sqfs_data_writer_finish(sqfs->data); -	if (ret) { -		sqfs_perror(cfg->filename, "finishing data blocks", ret); -		return -1; -	} - -	if (!cfg->quiet) -		fputs("Writing inodes and directories...\n", stdout); - -	tree_node_sort_recursive(sqfs->fs.root); -	if (fstree_gen_inode_table(&sqfs->fs)) -		return -1; - -	sqfs->super.inode_count = sqfs->fs.inode_tbl_size; - -	if (sqfs_serialize_fstree(cfg->filename, sqfs->outfile, &sqfs->super, -				  &sqfs->fs, sqfs->cmp, sqfs->idtbl)) { -		return -1; -	} - -	if (!cfg->quiet) -		fputs("Writing fragment table...\n", stdout); - -	ret = sqfs_data_writer_write_fragment_table(sqfs->data, &sqfs->super); -	if (ret) { -		sqfs_perror(cfg->filename, "writing fragment table", ret); -		return -1; -	} - -	if (cfg->exportable) { -		if (!cfg->quiet) -			fputs("Writing export table...\n", stdout); - -		if (write_export_table(cfg->filename, sqfs->outfile, &sqfs->fs, -				       &sqfs->super, sqfs->cmp)) { -			return -1; -		} -	} - -	if (!cfg->quiet) -		fputs("Writing ID table...\n", stdout); - -	ret = sqfs_id_table_write(sqfs->idtbl, sqfs->outfile, -				  &sqfs->super, sqfs->cmp); -	if (ret) { -		sqfs_perror(cfg->filename, "writing ID table", ret); -		return -1; -	} - -	if (!cfg->quiet) -		fputs("Writing extended attributes...\n", stdout); - -	ret = sqfs_xattr_writer_flush(sqfs->xwr, sqfs->outfile, -				      &sqfs->super, sqfs->cmp); -	if (ret) { -		sqfs_perror(cfg->filename, "writing extended attributes", ret); -		return -1; -	} - -	sqfs->super.bytes_used = sqfs->outfile->get_size(sqfs->outfile); - -	ret = sqfs_super_write(&sqfs->super, sqfs->outfile); -	if (ret) { -		sqfs_perror(cfg->filename, "updating super block", ret); -		return -1; -	} - -	if (padd_sqfs(sqfs->outfile, sqfs->super.bytes_used, -		      cfg->devblksize)) { -		return -1; -	} - -	if (!cfg->quiet) -		sqfs_print_statistics(&sqfs->super, &sqfs->stats); - -	return 0; -} - -void sqfs_writer_cleanup(sqfs_writer_t *sqfs) -{ -	if (sqfs->xwr != NULL) -		sqfs_xattr_writer_destroy(sqfs->xwr); -	sqfs_id_table_destroy(sqfs->idtbl); -	sqfs_data_writer_destroy(sqfs->data); -	sqfs->cmp->destroy(sqfs->cmp); -	fstree_cleanup(&sqfs->fs); -	sqfs->outfile->destroy(sqfs->outfile); -} | 
