ubi-utils: remove old ubi-utils

The utilities are unmaintained for long time, and many of them
do not even work, just compile, and no on complains about this.
This suggests they are unused and we can now safely kill them.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

1 files changed, 0 insertions, 915 deletions

diff --git a/ubi-utils/old-utils/src/libubi.c b/ubi-utils/old-utils/src/libubi.c
deleted file mode 100644
index a536b47..0000000
--- a/ubi-utils/old-utils/src/libubi.c
+++ /dev/null
@@ -1,915 +0,0 @@
-/*
- * Copyright (c) International Business Machines Corp., 2006
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Author: Artem B. Bityutskiy
- *
- * UBI (Unsorted Block Images) library.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <dirent.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <limits.h>
-#include "libubi.h"
-#include "libubi_int.h"
-
-libubi_t libubi_open(void)
-{
-	int fd, version;
-	struct libubi *lib;
-
-	lib = calloc(1, sizeof(struct libubi));
-	if (!lib)
-		return NULL;
-
-	/* TODO: this must be discovered instead */
-	lib->sysfs = strdup("/sys");
-	if (!lib->sysfs)
-		goto error;
-
-	lib->sysfs_ubi = mkpath(lib->sysfs, SYSFS_UBI);
-	if (!lib->sysfs_ubi)
-		goto error;
-
-	/* Make sure UBI is present */
-	fd = open(lib->sysfs_ubi, O_RDONLY);
-	if (fd == -1)
-		goto error;
-	close(fd);
-
-	lib->ubi_dev = mkpath(lib->sysfs_ubi, UBI_DEV_NAME_PATT);
-	if (!lib->ubi_dev)
-		goto error;
-
-	lib->ubi_version = mkpath(lib->sysfs_ubi, UBI_VER);
-	if (!lib->ubi_version)
-		goto error;
-
-	lib->dev_dev = mkpath(lib->ubi_dev, DEV_DEV);
-	if (!lib->dev_dev)
-		goto error;
-
-	lib->dev_avail_ebs = mkpath(lib->ubi_dev, DEV_AVAIL_EBS);
-	if (!lib->dev_avail_ebs)
-		goto error;
-
-	lib->dev_total_ebs = mkpath(lib->ubi_dev, DEV_TOTAL_EBS);
-	if (!lib->dev_total_ebs)
-		goto error;
-
-	lib->dev_bad_count = mkpath(lib->ubi_dev, DEV_BAD_COUNT);
-	if (!lib->dev_bad_count)
-		goto error;
-
-	lib->dev_eb_size = mkpath(lib->ubi_dev, DEV_EB_SIZE);
-	if (!lib->dev_eb_size)
-		goto error;
-
-	lib->dev_max_ec = mkpath(lib->ubi_dev, DEV_MAX_EC);
-	if (!lib->dev_max_ec)
-		goto error;
-
-	lib->dev_bad_rsvd = mkpath(lib->ubi_dev, DEV_MAX_RSVD);
-	if (!lib->dev_bad_rsvd)
-		goto error;
-
-	lib->dev_max_vols = mkpath(lib->ubi_dev, DEV_MAX_VOLS);
-	if (!lib->dev_max_vols)
-		goto error;
-
-	lib->dev_min_io_size = mkpath(lib->ubi_dev, DEV_MIN_IO_SIZE);
-	if (!lib->dev_min_io_size)
-		goto error;
-
-	lib->ubi_vol = mkpath(lib->sysfs_ubi, UBI_VOL_NAME_PATT);
-	if (!lib->ubi_vol)
-		goto error;
-
-	lib->vol_type = mkpath(lib->ubi_vol, VOL_TYPE);
-	if (!lib->vol_type)
-		goto error;
-
-	lib->vol_dev = mkpath(lib->ubi_vol, VOL_DEV);
-	if (!lib->vol_dev)
-		goto error;
-
-	lib->vol_alignment = mkpath(lib->ubi_vol, VOL_ALIGNMENT);
-	if (!lib->vol_alignment)
-		goto error;
-
-	lib->vol_data_bytes = mkpath(lib->ubi_vol, VOL_DATA_BYTES);
-	if (!lib->vol_data_bytes)
-		goto error;
-
-	lib->vol_rsvd_ebs = mkpath(lib->ubi_vol, VOL_RSVD_EBS);
-	if (!lib->vol_rsvd_ebs)
-		goto error;
-
-	lib->vol_eb_size = mkpath(lib->ubi_vol, VOL_EB_SIZE);
-	if (!lib->vol_eb_size)
-		goto error;
-
-	lib->vol_corrupted = mkpath(lib->ubi_vol, VOL_CORRUPTED);
-	if (!lib->vol_corrupted)
-		goto error;
-
-	lib->vol_name = mkpath(lib->ubi_vol, VOL_NAME);
-	if (!lib->vol_name)
-		goto error;
-
-	if (read_int(lib->ubi_version, &version))
-		goto error;
-	if (version != LIBUBI_UBI_VERSION) {
-		fprintf(stderr, "LIBUBI: this library was made for UBI version "
-				"%d, but UBI version %d is detected\n",
-			LIBUBI_UBI_VERSION, version);
-		goto error;
-	}
-
-	return lib;
-
-error:
-	free(lib->vol_corrupted);
-	free(lib->vol_eb_size);
-	free(lib->vol_rsvd_ebs);
-	free(lib->vol_data_bytes);
-	free(lib->vol_alignment);
-	free(lib->vol_dev);
-	free(lib->vol_type);
-	free(lib->ubi_vol);
-	free(lib->dev_min_io_size);
-	free(lib->dev_max_vols);
-	free(lib->dev_bad_rsvd);
-	free(lib->dev_max_ec);
-	free(lib->dev_eb_size);
-	free(lib->dev_bad_count);
-	free(lib->dev_total_ebs);
-	free(lib->dev_avail_ebs);
-	free(lib->dev_dev);
-	free(lib->ubi_version);
-	free(lib->ubi_dev);
-	free(lib->sysfs_ubi);
-	free(lib->sysfs);
-	free(lib);
-	return NULL;
-}
-
-void libubi_close(libubi_t desc)
-{
-	struct libubi *lib = (struct libubi *)desc;
-
-	free(lib->vol_name);
-	free(lib->vol_corrupted);
-	free(lib->vol_eb_size);
-	free(lib->vol_rsvd_ebs);
-	free(lib->vol_data_bytes);
-	free(lib->vol_alignment);
-	free(lib->vol_dev);
-	free(lib->vol_type);
-	free(lib->ubi_vol);
-	free(lib->dev_min_io_size);
-	free(lib->dev_max_vols);
-	free(lib->dev_bad_rsvd);
-	free(lib->dev_max_ec);
-	free(lib->dev_eb_size);
-	free(lib->dev_bad_count);
-	free(lib->dev_total_ebs);
-	free(lib->dev_avail_ebs);
-	free(lib->dev_dev);
-	free(lib->ubi_version);
-	free(lib->ubi_dev);
-	free(lib->sysfs_ubi);
-	free(lib->sysfs);
-	free(lib);
-}
-
-int ubi_get_info(libubi_t desc, struct ubi_info *info)
-{
-	DIR *sysfs_ubi;
-	struct dirent *dirent;
-	struct libubi *lib = (struct libubi *)desc;
-
-	memset(info, '\0', sizeof(struct ubi_info));
-
-	/*
-	 * We have to scan the UBI sysfs directory to identify how many UBI
-	 * devices are present.
-	 */
-	sysfs_ubi = opendir(lib->sysfs_ubi);
-	if (!sysfs_ubi)
-		return -1;
-
-	info->lowest_dev_num = INT_MAX;
-	while ((dirent = readdir(sysfs_ubi))) {
-		char *name = &dirent->d_name[0];
-		int dev_num, ret;
-
-		ret = sscanf(name, UBI_DEV_NAME_PATT, &dev_num);
-		if (ret == 1) {
-			info->dev_count += 1;
-			if (dev_num > info->highest_dev_num)
-				info->highest_dev_num = dev_num;
-			if (dev_num < info->lowest_dev_num)
-				info->lowest_dev_num = dev_num;
-		}
-	}
-
-	if (info->lowest_dev_num == INT_MAX)
-		info->lowest_dev_num = 0;
-
-	if (read_int(lib->ubi_version, &info->version))
-		goto close;
-
-	return closedir(sysfs_ubi);
-
-close:
-	closedir(sysfs_ubi);
-	return -1;
-}
-
-int ubi_mkvol(libubi_t desc, const char *node, struct ubi_mkvol_request *req)
-{
-	int fd, ret;
-	struct ubi_mkvol_req r;
-	size_t n;
-
-	desc = desc;
-	r.vol_id = req->vol_id;
-	r.alignment = req->alignment;
-	r.bytes = req->bytes;
-	r.vol_type = req->vol_type;
-
-	n = strlen(req->name);
-	if (n > UBI_MAX_VOLUME_NAME)
-		return -1;
-
-	strncpy(r.name, req->name, UBI_MAX_VOLUME_NAME + 1);
-	r.name_len = n;
-
-	fd = open(node, O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	ret = ioctl(fd, UBI_IOCMKVOL, &r);
-	if (!ret)
-		req->vol_id = r.vol_id;
-
-	close(fd);
-	return ret;
-}
-
-int ubi_rmvol(libubi_t desc, const char *node, int vol_id)
-{
-	int fd, ret;
-
-	desc = desc;
-	fd = open(node, O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	ret = ioctl(fd, UBI_IOCRMVOL, &vol_id);
-	close(fd);
-	return ret;
-}
-
-int ubi_rsvol(libubi_t desc, const char *node, int vol_id, long long bytes)
-{
-	int fd, ret;
-	struct ubi_rsvol_req req;
-
-	desc = desc;
-	fd = open(node, O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	req.bytes = bytes;
-	req.vol_id = vol_id;
-
-	ret = ioctl(fd, UBI_IOCRSVOL, &req);
-	close(fd);
-	return ret;
-}
-
-int ubi_update_start(libubi_t desc, int fd, long long bytes)
-{
-	desc = desc;
-	if (ioctl(fd, UBI_IOCVOLUP, &bytes))
-		return -1;
-	return 0;
-}
-
-int ubi_get_dev_info(libubi_t desc, const char *node, struct ubi_dev_info *info)
-{
-	int dev_num;
-	struct libubi *lib = (struct libubi *)desc;
-
-	dev_num = find_dev_num(lib, node);
-	if (dev_num == -1)
-		return -1;
-
-	return ubi_get_dev_info1(desc, dev_num, info);
-}
-
-int ubi_get_dev_info1(libubi_t desc, int dev_num, struct ubi_dev_info *info)
-{
-	DIR *sysfs_ubi;
-	struct dirent *dirent;
-	struct libubi *lib = (struct libubi *)desc;
-
-	memset(info, '\0', sizeof(struct ubi_dev_info));
-	info->dev_num = dev_num;
-
-	sysfs_ubi = opendir(lib->sysfs_ubi);
-	if (!sysfs_ubi)
-		return -1;
-
-	info->lowest_vol_num = INT_MAX;
-	while ((dirent = readdir(sysfs_ubi))) {
-		char *name = &dirent->d_name[0];
-		int vol_id, ret, devno;
-
-		ret = sscanf(name, UBI_VOL_NAME_PATT, &devno, &vol_id);
-		if (ret == 2 && devno == dev_num) {
-			info->vol_count += 1;
-			if (vol_id > info->highest_vol_num)
-				info->highest_vol_num = vol_id;
-			if (vol_id < info->lowest_vol_num)
-				info->lowest_vol_num = vol_id;
-		}
-	}
-
-	closedir(sysfs_ubi);
-
-	if (info->lowest_vol_num == INT_MAX)
-		info->lowest_vol_num = 0;
-
-	if (dev_read_int(lib->dev_avail_ebs, dev_num, &info->avail_ebs))
-		return -1;
-	if (dev_read_int(lib->dev_total_ebs, dev_num, &info->total_ebs))
-		return -1;
-	if (dev_read_int(lib->dev_bad_count, dev_num, &info->bad_count))
-		return -1;
-	if (dev_read_int(lib->dev_eb_size, dev_num, &info->eb_size))
-		return -1;
-	if (dev_read_int(lib->dev_bad_rsvd, dev_num, &info->bad_rsvd))
-		return -1;
-	if (dev_read_ll(lib->dev_max_ec, dev_num, &info->max_ec))
-		return -1;
-	if (dev_read_int(lib->dev_max_vols, dev_num, &info->max_vol_count))
-		return -1;
-	if (dev_read_int(lib->dev_min_io_size, dev_num, &info->min_io_size))
-		return -1;
-
-	info->avail_bytes = info->avail_ebs * info->eb_size;
-	info->total_bytes = info->total_ebs * info->eb_size;
-
-	return 0;
-}
-
-int ubi_get_vol_info(libubi_t desc, const char *node, struct ubi_vol_info *info)
-{
-	int vol_id, dev_num;
-	struct libubi *lib = (struct libubi *)desc;
-
-	dev_num = find_dev_num_vol(lib, node);
-	if (dev_num == -1)
-		return -1;
-
-	vol_id = find_vol_num(lib, dev_num, node);
-	if (vol_id == -1)
-		return -1;
-
-	return ubi_get_vol_info1(desc, dev_num, vol_id, info);
-}
-
-int ubi_get_vol_info1(libubi_t desc, int dev_num, int vol_id,
-		      struct ubi_vol_info *info)
-{
-	int ret;
-	struct libubi *lib = (struct libubi *)desc;
-	char buf[50];
-
-	memset(info, '\0', sizeof(struct ubi_vol_info));
-	info->dev_num = dev_num;
-	info->vol_id = vol_id;
-
-	ret = vol_read_data(lib->vol_type, dev_num, vol_id, &buf[0], 50);
-	if (ret < 0)
-		return -1;
-
-	if (strncmp(&buf[0], "static\n", ret) == 0)
-		info->type = UBI_STATIC_VOLUME;
-	else if (strncmp(&buf[0], "dynamic\n", ret) == 0)
-		info->type = UBI_DYNAMIC_VOLUME;
-	else {
-		fprintf(stderr, "LIBUBI: bad value at sysfs file\n");
-		errno = EINVAL;
-		return -1;
-	}
-
-	ret = vol_read_int(lib->vol_alignment, dev_num, vol_id,
-			   &info->alignment);
-	if (ret)
-		return -1;
-	ret = vol_read_ll(lib->vol_data_bytes, dev_num, vol_id,
-			  &info->data_bytes);
-	if (ret)
-		return -1;
-	ret = vol_read_int(lib->vol_rsvd_ebs, dev_num, vol_id, &info->rsvd_ebs);
-	if (ret)
-		return -1;
-	ret = vol_read_int(lib->vol_eb_size, dev_num, vol_id, &info->eb_size);
-	if (ret)
-		return -1;
-	ret = vol_read_int(lib->vol_corrupted, dev_num, vol_id,
-			   &info->corrupted);
-	if (ret)
-		return -1;
-	info->rsvd_bytes = info->eb_size * info->rsvd_ebs;
-
-	ret = vol_read_data(lib->vol_name, dev_num, vol_id, &info->name,
-			    UBI_VOL_NAME_MAX + 2);
-	if (ret < 0)
-		return -1;
-
-	info->name[ret - 1] = '\0';
-	return 0;
-}
-
-/**
- * read_int - read an 'int' value from a file.
- *
- * @file   the file to read from
- * @value  the result is stored here
- *
- * This function returns %0 in case of success and %-1 in case of failure.
- */
-static int read_int(const char *file, int *value)
-{
-	int fd, rd;
-	char buf[50];
-
-	fd = open(file, O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	rd = read(fd, &buf[0], 50);
-	if (rd == -1)
-		goto error;
-
-	if (sscanf(&buf[0], "%d\n", value) != 1) {
-		/* This must be a UBI bug */
-		fprintf(stderr, "LIBUBI: bad value at sysfs file\n");
-		errno = EINVAL;
-		goto error;
-	}
-
-	close(fd);
-	return 0;
-
-error:
-	close(fd);
-	return -1;
-}
-
-/**
- * dev_read_int - read an 'int' value from an UBI device's sysfs file.
- *
- * @patt     the file pattern to read from
- * @dev_num  UBI device number
- * @value    the result is stored here
- *
- * This function returns %0 in case of success and %-1 in case of failure.
- */
-static int dev_read_int(const char *patt, int dev_num, int *value)
-{
-	int fd, rd;
-	char buf[50];
-	char file[strlen(patt) + 50];
-
-	sprintf(&file[0], patt, dev_num);
-	fd = open(&file[0], O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	rd = read(fd, &buf[0], 50);
-	if (rd == -1)
-		goto error;
-
-	if (sscanf(&buf[0], "%d\n", value) != 1) {
-		/* This must be a UBI bug */
-		fprintf(stderr, "LIBUBI: bad value at sysfs file\n");
-		errno = EINVAL;
-		goto error;
-	}
-
-	close(fd);
-	return 0;
-
-error:
-	close(fd);
-	return -1;
-}
-
-/**
- * dev_read_ll - read a 'long long' value from an UBI device's sysfs file.
- *
- * @patt     the file pattern to read from
- * @dev_num  UBI device number
- * @value    the result is stored here
- *
- * This function returns %0 in case of success and %-1 in case of failure.
- */
-static int dev_read_ll(const char *patt, int dev_num, long long *value)
-{
-	int fd, rd;
-	char buf[50];
-	char file[strlen(patt) + 50];
-
-	sprintf(&file[0], patt, dev_num);
-	fd = open(&file[0], O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	rd = read(fd, &buf[0], 50);
-	if (rd == -1)
-		goto error;
-
-	if (sscanf(&buf[0], "%lld\n", value) != 1) {
-		/* This must be a UBI bug */
-		fprintf(stderr, "LIBUBI: bad value at sysfs file\n");
-		errno = EINVAL;
-		goto error;
-	}
-
-	close(fd);
-	return 0;
-
-error:
-	close(fd);
-	return -1;
-}
-
-/**
- * dev_read_data - read data from an UBI device's sysfs file.
- *
- * @patt     the file pattern to read from
- * @dev_num  UBI device number
- * @buf      buffer to read data to
- * @buf_len  buffer length
- *
- * This function returns number of read bytes in case of success and %-1 in
- * case of failure.
- */
-static int dev_read_data(const char *patt, int dev_num, void *buf, int buf_len)
-{
-	int fd, rd;
-	char file[strlen(patt) + 50];
-
-	sprintf(&file[0], patt, dev_num);
-	fd = open(&file[0], O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	rd = read(fd, buf, buf_len);
-	if (rd == -1) {
-		close(fd);
-		return -1;
-	}
-
-	close(fd);
-	return rd;
-}
-
-/**
- * vol_read_int - read an 'int' value from an UBI volume's sysfs file.
- *
- * @patt     the file pattern to read from
- * @dev_num  UBI device number
- * @vol_id   volume identifier
- * @value    the result is stored here
- *
- * This function returns %0 in case of success and %-1 in case of failure.
- */
-static int vol_read_int(const char *patt, int dev_num, int vol_id, int *value)
-{
-	int fd, rd;
-	char buf[50];
-	char file[strlen(patt) + 100];
-
-	sprintf(&file[0], patt, dev_num, vol_id);
-	fd = open(&file[0], O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	rd = read(fd, &buf[0], 50);
-	if (rd == -1)
-		goto error;
-
-	if (sscanf(&buf[0], "%d\n", value) != 1) {
-		/* This must be a UBI bug */
-		fprintf(stderr, "LIBUBI: bad value at sysfs file\n");
-		errno = EINVAL;
-		goto error;
-	}
-
-	close(fd);
-	return 0;
-
-error:
-	close(fd);
-	return -1;
-}
-
-/**
- * vol_read_ll - read a 'long long' value from an UBI volume's sysfs file.
- *
- * @patt     the file pattern to read from
- * @dev_num  UBI device number
- * @vol_id   volume identifier
- * @value    the result is stored here
- *
- * This function returns %0 in case of success and %-1 in case of failure.
- */
-static int vol_read_ll(const char *patt, int dev_num, int vol_id,
-		       long long *value)
-{
-	int fd, rd;
-	char buf[50];
-	char file[strlen(patt) + 100];
-
-	sprintf(&file[0], patt, dev_num, vol_id);
-	fd = open(&file[0], O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	rd = read(fd, &buf[0], 50);
-	if (rd == -1)
-		goto error;
-
-	if (sscanf(&buf[0], "%lld\n", value) != 1) {
-		/* This must be a UBI bug */
-		fprintf(stderr, "LIBUBI: bad value at sysfs file\n");
-		errno = EINVAL;
-		goto error;
-	}
-
-	close(fd);
-	return 0;
-
-error:
-	close(fd);
-	return -1;
-}
-
-/**
- * vol_read_data - read data from an UBI volume's sysfs file.
- *
- * @patt     the file pattern to read from
- * @dev_num  UBI device number
- * @vol_id   volume identifier
- * @buf      buffer to read to
- * @buf_len  buffer length
- *
- * This function returns number of read bytes in case of success and %-1 in
- * case of failure.
- */
-static int vol_read_data(const char *patt, int dev_num, int vol_id, void *buf,
-			 int buf_len)
-{
-	int fd, rd;
-	char file[strlen(patt) + 100];
-
-	sprintf(&file[0], patt, dev_num, vol_id);
-	fd = open(&file[0], O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	rd = read(fd, buf, buf_len);
-	if (rd == -1) {
-		close(fd);
-		return -1;
-	}
-
-	close(fd);
-	return rd;
-}
-
-/**
- * mkpath - compose full path from 2 given components.
- *
- * @path  first component
- * @name  second component
- *
- * This function returns the resulting path in case of success and %NULL in
- * case of failure.
- */
-static char *mkpath(const char *path, const char *name)
-{
-	char *n;
-	int len1 = strlen(path);
-	int len2 = strlen(name);
-
-	n = malloc(len1 + len2 + 2);
-	if (!n)
-		return NULL;
-
-	memcpy(n, path, len1);
-	if (n[len1 - 1] != '/')
-		n[len1++] = '/';
-
-	memcpy(n + len1, name, len2 + 1);
-	return n;
-}
-
-/**
- * find_dev_num - find UBI device number by its character device node.
- *
- * @lib   UBI library descriptor
- * @node  UBI character device node name
- *
- * This function returns positive UBI device number in case of success and %-1
- * in case of failure.
- */
-static int find_dev_num(struct libubi *lib, const char *node)
-{
-	struct stat st;
-	struct ubi_info info;
-	int i, major, minor;
-
-	if (stat(node, &st))
-		return -1;
-
-	if (!S_ISCHR(st.st_mode)) {
-		errno = EINVAL;
-		return -1;
-	}
-
-	major = major(st.st_rdev);
-	minor = minor(st.st_rdev);
-
-	if (minor != 0) {
-		errno = -EINVAL;
-		return -1;
-	}
-
-	if (ubi_get_info((libubi_t *)lib, &info))
-		return -1;
-
-	for (i = info.lowest_dev_num; i <= info.highest_dev_num; i++) {
-		int major1, minor1, ret;
-		char buf[50];
-
-		ret = dev_read_data(lib->dev_dev, i, &buf[0], 50);
-		if (ret < 0)
-			return -1;
-
-		ret = sscanf(&buf[0], "%d:%d\n", &major1, &minor1);
-		if (ret != 2) {
-			fprintf(stderr, "LIBUBI: bad value at sysfs file\n");
-			errno = EINVAL;
-			return -1;
-		}
-
-		if (minor1 == minor && major1 == major)
-			return i;
-	}
-
-	errno = ENOENT;
-	return -1;
-}
-
-/**
- * find_dev_num_vol - find UBI device number by volume character device node.
- *
- * @lib   UBI library descriptor
- * @node  UBI character device node name
- *
- * This function returns positive UBI device number in case of success and %-1
- * in case of failure.
- */
-static int find_dev_num_vol(struct libubi *lib, const char *node)
-{
-	struct stat st;
-	struct ubi_info info;
-	int i, major;
-
-	if (stat(node, &st))
-		return -1;
-
-	if (!S_ISCHR(st.st_mode)) {
-		errno = EINVAL;
-		return -1;
-	}
-
-	major = major(st.st_rdev);
-
-	if (minor(st.st_rdev) == 0) {
-		errno = -EINVAL;
-		return -1;
-	}
-
-	if (ubi_get_info((libubi_t *)lib, &info))
-		return -1;
-
-	for (i = info.lowest_dev_num; i <= info.highest_dev_num; i++) {
-		int major1, minor1, ret;
-		char buf[50];
-
-		ret = dev_read_data(lib->dev_dev, i, &buf[0], 50);
-		if (ret < 0)
-			return -1;
-
-		ret = sscanf(&buf[0], "%d:%d\n", &major1, &minor1);
-		if (ret != 2) {
-			fprintf(stderr, "LIBUBI: bad value at sysfs file\n");
-			errno = EINVAL;
-			return -1;
-		}
-
-		if (major1 == major)
-			return i;
-	}
-
-	errno = ENOENT;
-	return -1;
-}
-
-/**
- * find_vol_num - find UBI volume number by its character device node.
- *
- * @lib      UBI library descriptor
- * @dev_num  UBI device number
- * @node     UBI volume character device node name
- *
- * This function returns positive UBI volume number in case of success and %-1
- * in case of failure.
- */
-static int find_vol_num(struct libubi *lib, int dev_num, const char *node)
-{
-	struct stat st;
-	struct ubi_dev_info info;
-	int i, major, minor;
-
-	if (stat(node, &st))
-		return -1;
-
-	if (!S_ISCHR(st.st_mode)) {
-		errno = EINVAL;
-		return -1;
-	}
-
-	major = major(st.st_rdev);
-	minor = minor(st.st_rdev);
-
-	if (minor == 0) {
-		errno = -EINVAL;
-		return -1;
-	}
-
-	if (ubi_get_dev_info1((libubi_t *)lib, dev_num, &info))
-		return -1;
-
-	for (i = info.lowest_vol_num; i <= info.highest_vol_num; i++) {
-		int major1, minor1, ret;
-		char buf[50];
-
-		ret = vol_read_data(lib->vol_dev,  dev_num, i, &buf[0], 50);
-		if (ret < 0)
-			return -1;
-
-		ret = sscanf(&buf[0], "%d:%d\n", &major1, &minor1);
-		if (ret != 2) {
-			fprintf(stderr, "LIBUBI: bad value at sysfs file\n");
-			errno = EINVAL;
-			return -1;
-		}
-
-		if (minor1 == minor && major1 == major)
-			return i;
-	}
-
-	errno = ENOENT;
-	return -1;
-}