UBI-Utils: Rename old ubi library

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>

1 files changed, 0 insertions, 768 deletions

diff --git a/ubi-utils/src/libubi.c b/ubi-utils/src/libubi.c
deleted file mode 100644
index da4919b..0000000
--- a/ubi-utils/src/libubi.c
+++ /dev/null
@@ -1,768 +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.
- */
-
-/*
- * UBI (Unsorted Block Images) library.
- *
- * Author: Artem B. Bityutskiy
- *         Oliver Lohmann
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <limits.h>
-#include <errno.h>
-#include <sys/ioctl.h>
-#include <stdint.h>
-#include <mtd/ubi-user.h>
-#include <mtd/ubi-header.h>
-
-#include "libubi.h"
-#include "libubi_int.h"
-#include "libubi_sysfs.h"
-
-/**
- * struct ubi_lib - UBI library descriptor.
- *
- * @ubi		    general UBI information
- *
- * @sysfs_root	    sysfs root directory
- * @ubi_root	    UBI root directory in sysfs
- *
- * @version	    full path to the "UBI version" sysfs file
- *
- * @cdev_path	    path pattern to UBI character devices
- * @cdev_path_len   maximum length of the @cdev_path string after substitution
- * @udev_path	    path to sysfs directories corresponding to UBI devices
- * @wear_path	    path to sysfs file containing UBI wear information
- * @vol_count_path  path to sysfs file containing the number of volumes in an
- *		    UBI device
- * @tot_ebs_path    path to sysfs file containing the total number of
- *		    eraseblock on an UBI device
- * @avail_ebs_path  path to sysfs file containing the number of unused
- *		    eraseblocks on an UBI device, available for new volumes
- * @eb_size_path    path to sysfs file containing size of UBI eraseblocks
- * @nums_path	    path to sysfs file containing major and minor number of an
- *		    UBI device
- * @vol_cdev_path   path to UBI volume character devices
- * @vdev_path	    path to sysfs directories corresponding to UBI volume
- *		    devices
- * @vol_nums_path   path to sysfs file containing major and minor number of an
- *		    UBI volume device
- * @vol_bytes_path  path to sysfs file containing size of an UBI volume device
- *		    in bytes
- * @vol_ebs_path    path to sysfs file containing the number of eraseblocks in
- *		    an UBI volume device
- * @vol_type_path   path to sysfs file containing type of an UBI volume
- * @vol_name_path   @FIXME: Describe me.
- *
- * This structure is created and initialized by 'ubi_init()' and is passed to
- * all UBI library calls.
- */
-struct ubi_lib
-{
-	struct ubi_info ubi;
-
-	char *sysfs_root;
-	char *ubi_root;
-
-	char *version;
-	char *cdev_path;
-	int  cdev_path_len;
-	char *udev_path;
-	char *wear_path;
-	char *vol_count_path;
-	char *tot_ebs_path;
-	char *avail_ebs_path;
-	char *eb_size_path;
-	char *nums_path;
-	int  vol_cdev_path_len;
-	char *vol_cdev_path;
-	char *vdev_path;
-	char *vol_nums_path;
-	char *vol_bytes_path;
-	char *vol_ebs_path;
-	char *vol_type_path;
-	char *vol_name_path;
-};
-
-
-/**
- * mkpath - compose full path from 2 given components.
- *
- * @path  first component @name	 second component
- *
- * Returns the resulting path in case of success and %NULL in case of failure.
- * Callers have to take care the resulting path is freed.
- */
-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;
-}
-
-
-static int
-get_ubi_info(ubi_lib_t desc, struct ubi_info *ubi)
-{
-	int err;
-	int dev_count = 0;
-	char *path;
-	struct stat stat;
-
-	err = sysfs_read_int(desc->version, (int*) &ubi->version);
-	if (err)
-		return -1;
-
-	/* Calculate number of UBI devices */
-	while (!err) {
-		char dir[20];
-
-		sprintf(&dir[0], "ubi%d", dev_count);
-		path = mkpath(desc->ubi_root, dir);
-		if (!path)
-			return ENOMEM;
-
-		err = lstat(path, &stat);
-		if (err == 0)
-			dev_count += 1;
-		free(path);
-	}
-
-	if (errno != ENOENT)
-		return -1;
-
-	if (dev_count == 0) {
-		ubi_err("no UBI devices found");
-		errno = EINVAL;
-		return -1;
-	}
-
-	errno = 0;
-	ubi->dev_count = dev_count;
-	return 0;
-}
-
-void
-ubi_dump_handler(ubi_lib_t desc)
-{
-	ubi_lib_t d = desc;
-	printf(	"UBI Library Descriptor:\n"
-		"ubi_root:	 %s\n"
-		"version:	 %s\n"
-		"cdev_path:	 %s\n"
-		"udev_path:	 %s\n"
-		"wear_path:	 %s\n"
-		"vol_count_path: %s\n"
-		"tot_ebs_path:	 %s\n"
-		"avail_ebs_path: %s\n"
-		"eb_size_path:	 %s\n"
-		"nums_path:	 %s\n"
-		"vol_cdev_path:	 %s\n"
-		"vdev_path:	 %s\n"
-		"vol_nums_path:	 %s\n"
-		"vol_bytes_path: %s\n"
-		"vol_ebs_path:	 %s\n"
-		"vol_type_path:	 %s\n"
-		"vol_name_path:	 %s\n"
-		"cdev_path_len:	 %d\n\n",
-	       d->ubi_root, d->version, d->cdev_path, d->udev_path,
-	       d->wear_path, d->vol_count_path, d->tot_ebs_path,
-	       d->avail_ebs_path, d->eb_size_path, d->nums_path,
-	       d->vol_cdev_path, d->vdev_path, d->vol_nums_path,
-	       d->vol_bytes_path, d->vol_ebs_path, d->vol_type_path,
-	       d->vol_name_path, d->cdev_path_len);
-}
-
-int
-ubi_set_cdev_pattern(ubi_lib_t desc, const char *pattern)
-{
-	char *patt;
-
-	patt = strdup(pattern);
-	if (!patt) {
-		ubi_err("cannot allocate memory");
-		return -1;
-	}
-
-	if (desc->cdev_path)
-		free(desc->cdev_path);
-
-	desc->cdev_path = patt;
-	desc->cdev_path_len = strlen(patt) + 1 + UBI_MAX_ID_SIZE;
-
-	ubi_dbg("ubi dev pattern is now \"%s\"", patt);
-
-	return 0;
-}
-
-int
-ubi_set_vol_cdev_pattern(ubi_lib_t desc, const char *pattern)
-{
-	char *patt;
-
-	patt = strdup(pattern);
-	if (!patt) {
-		ubi_err("cannot allocate memory");
-		return -1;
-	}
-
-	free(desc->vol_cdev_path);
-	desc->vol_cdev_path = patt;
-	desc->vol_cdev_path_len = strlen(patt) + 1 + 2 * UBI_MAX_ID_SIZE;
-
-	ubi_dbg("ubi volume dev pattern is now \"%s\"", patt);
-
-	return 0;
-}
-
-int
-ubi_open(ubi_lib_t *desc)
-{
-	int err = -1;
-	ubi_lib_t res;
-	struct stat stat;
-
-	res = calloc(1, sizeof(struct ubi_lib));
-	if (!res) {
-		ubi_err("cannot allocate memory");
-		return -1;
-	}
-
-	res->cdev_path = NULL;
-	err = ubi_set_cdev_pattern(res, UBI_CDEV_PATH);
-	if (err)
-		goto error;
-
-	/* TODO: this actually has to be discovered */
-	res->sysfs_root = strdup(UBI_SYSFS_ROOT);
-	if (!res->sysfs_root)
-		goto error;
-
-	res->ubi_root = mkpath(res->sysfs_root, UBI_ROOT);
-	if (!res->ubi_root)
-		goto error;
-
-	res->version =	mkpath(res->ubi_root, UBI_VER);
-	if (!res->version)
-		goto error;
-
-	res->udev_path = mkpath(res->ubi_root, "ubi%d/");
-	if (!res->udev_path)
-		goto error;
-
-	res->wear_path = mkpath(res->udev_path, UBI_WEAR);
-	if (!res->wear_path)
-		goto error;
-
-	res->vol_count_path = mkpath(res->udev_path, UBI_VOL_COUNT);
-	if (!res->vol_count_path)
-		goto error;
-
-	res->tot_ebs_path = mkpath(res->udev_path, UBI_AVAIL_EBS);
-	if (!res->tot_ebs_path)
-		goto error;
-
-	res->avail_ebs_path = mkpath(res->udev_path, UBI_TOT_EBS);
-	if (!res->avail_ebs_path)
-		goto error;
-
-	res->eb_size_path = mkpath(res->udev_path, UBI_EB_SIZE);
-	if (!res->eb_size_path)
-		goto error;
-
-	res->nums_path = mkpath(res->udev_path, UBI_NUMS);
-	if (!res->nums_path)
-		goto error;
-
-	err = ubi_set_vol_cdev_pattern(res, UBI_VOL_CDEV_PATH);
-	if (err)
-		goto error;
-
-	res->vdev_path = mkpath(res->ubi_root, "ubi%d_%d/");
-	if (!res->vdev_path)
-		goto error;
-
-	res->vol_nums_path = mkpath(res->vdev_path, UBI_NUMS);
-	if (!res->vol_nums_path)
-		goto error;
-
-	res->vol_bytes_path = mkpath(res->vdev_path, UBI_VBYTES);
-	if (!res->vol_bytes_path)
-		goto error;
-
-	res->vol_ebs_path = mkpath(res->vdev_path, UBI_VEBS);
-	if (!res->vol_ebs_path)
-		goto error;
-
-	res->vol_type_path = mkpath(res->vdev_path, UBI_VTYPE);
-	if (!res->vol_type_path)
-		goto error;
-
-	res->vol_name_path = mkpath(res->vdev_path, UBI_VNAME);
-	if (!res->vol_name_path)
-		goto error;
-
-	/* Check if UBI exists in the system */
-	err = lstat(res->ubi_root, &stat);
-	if (err) {
-		perror("lstat");
-		fprintf(stderr, "%s\n", res->ubi_root);
-		err = UBI_ENOTFOUND;
-		goto error;
-	}
-
-	err = get_ubi_info(res, &res->ubi);
-	if (err)
-		goto error;
-
-	*desc = res;
-
-	ubi_dbg("opened library successfully.");
-
-	return 0;
-
-error:
-	ubi_close(&res);
-
-	if (err == -1 && errno == ENOMEM)
-		ubi_err("Cannot allocate memory");
-
-	return err;
-}
-
-int
-ubi_close(ubi_lib_t *desc)
-{
-	ubi_lib_t tmp = *desc;
-
-	free(tmp->vol_name_path);
-	free(tmp->vol_type_path);
-	free(tmp->vol_ebs_path);
-	free(tmp->vol_bytes_path);
-	free(tmp->vol_nums_path);
-	free(tmp->vdev_path);
-	free(tmp->vol_cdev_path);
-	free(tmp->nums_path);
-	free(tmp->eb_size_path);
-	free(tmp->avail_ebs_path);
-	free(tmp->tot_ebs_path);
-	free(tmp->vol_count_path);
-	free(tmp->wear_path);
-	free(tmp->udev_path);
-	free(tmp->cdev_path);
-	free(tmp->version);
-	free(tmp->ubi_root);
-	free(tmp->sysfs_root);
-	free(tmp);
-
-	*desc = NULL;
-
-	return 0;
-}
-
-void
-ubi_perror(const char *prefix, int code)
-{
-	if (code == 0)
-		return;
-
-	fprintf(stderr, "%s: ", prefix);
-
-	switch (code) {
-	case UBI_ENOTFOUND:
-		fprintf(stderr, "UBI was not found in system\n");
-		break;
-	case UBI_EBUG:
-		fprintf(stderr, "an UBI or UBI library bug\n");
-		break;
-	case UBI_EINVAL:
-		fprintf(stderr, "invalid parameter\n");
-		break;
-	case -1:
-		perror(prefix);
-		break;
-	default:
-		ubi_err("unknown error code %d", code);
-		break;
-	}
-}
-
-int
-ubi_get_dev_info(ubi_lib_t desc, unsigned int devn, struct ubi_dev_info *di)
-{
-	int err;
-
-	if (devn >= desc->ubi.dev_count) {
-		ubi_err("bad device number, max is %d\n",
-			desc->ubi.dev_count - 1);
-		return UBI_EINVAL;
-	}
-
-	err = sysfs_read_dev_subst(desc->nums_path, &di->major,
-				   &di->minor, 1, devn);
-	if (err)
-		return -1;
-
-	err = sysfs_read_ull_subst(desc->wear_path, &di->wear, 1, devn);
-	if (err)
-		return -1;
-
-	err = sysfs_read_uint_subst(desc->vol_count_path,
-				    &di->vol_count, 1, devn);
-	if (err)
-		return -1;
-
-	err = sysfs_read_uint_subst(desc->eb_size_path, &di->eb_size, 1, devn);
-	if (err)
-		return -1;
-
-	err = sysfs_read_uint_subst(desc->tot_ebs_path, &di->total_ebs, 1, devn);
-	if (err)
-		return -1;
-
-	err = sysfs_read_uint_subst(desc->avail_ebs_path,
-				    &di->avail_ebs, 1, devn);
-	if (err)
-		return -1;
-
-#if 0
-	ubi_dbg("major:minor %d:%d, wear %llu, EB size %d, "
-		"vol. count %d, tot. EBs %d, avail. EBs %d",
-		di->major, di->minor, di->wear, di->eb_size,
-		di->vol_count, di->total_ebs, di->avail_ebs);
-#endif
-
-	return err;
-}
-
-int
-ubi_get_vol_info(ubi_lib_t desc, unsigned int devn, unsigned int vol_id,
-		struct ubi_vol_info *req)
-{
-	int err;
-	int len;
-	char buf1[10];
-	char buf2[UBI_MAX_VOLUME_NAME];
-
-	err = sysfs_read_dev_subst(desc->vol_nums_path, &req->major,
-				   &req->minor, 2, devn, vol_id);
-	if (err)
-		return -1;
-
-	err = sysfs_read_ull_subst(desc->vol_bytes_path,
-				   &req->bytes, 2, devn, vol_id);
-	if (err)
-		return -1;
-
-	err = sysfs_read_uint_subst(desc->vol_ebs_path,
-				    &req->eraseblocks, 2, devn, vol_id);
-	if (err)
-		return -1;
-
-	len = sysfs_read_data_subst(desc->vol_type_path, &buf1[0],
-				    10, 2,  devn, vol_id);
-	if (len == -1)
-		return -1;
-
-	if (buf1[len - 1] != '\n') {
-		ubi_err("bad volume type");
-		return UBI_EBUG;
-	}
-
-	if (!strncmp(&buf1[0], "static", sizeof("static") - 1)) {
-		req->type = UBI_STATIC_VOLUME;
-	} else if (!strncmp(&buf1[0], "dynamic", sizeof("dynamic") - 1)) {
-		req->type = UBI_DYNAMIC_VOLUME;
-	} else {
-		ubi_err("bad type %s", &buf1[0]);
-		return -1;
-	}
-
-	len = sysfs_read_data_subst(desc->vol_name_path, &buf2[0],
-				    UBI_MAX_VOLUME_NAME, 2,  devn, vol_id);
-	if (len == -1)
-		return -1;
-
-	if (buf2[len - 1] != '\n') {
-		ubi_err("bad volume name");
-		return UBI_EBUG;
-	}
-
-	req->name = malloc(len);
-	if (!req->name) {
-		ubi_err("cannot allocate memory");
-		return -1;
-	}
-
-	memcpy(req->name, &buf2[0], len - 1);
-	req->name[len - 1] = '\0';
-
-	return 0;
-}
-
-/**
- * ubi_cdev_open - open a UBI device
- *
- * @desc	UBI library descriptor
- * @devn	Number of UBI device to open
- * @flags	Flags to pass to open()
- *
- * This function opens a UBI device by number and returns a file
- * descriptor.  In case of an error %-1 is returned and errno is set
- * appropriately.
- */
-static int
-ubi_cdev_open(ubi_lib_t desc, int devn, int flags)
-{
-	char *buf;
-	int fd;
-
-	ubi_dbg("desc=%p, devn=%d, flags=%08x\n", desc, devn, flags);
-
-	if (desc == NULL) {
-		ubi_err("desc is NULL\n");
-		return -1;
-	}
-	if (desc->vol_cdev_path_len == 0) {
-		ubi_err("path_len == 0\n");
-		return -1;
-	}
-	buf = malloc(desc->cdev_path_len);
-
-	sprintf(buf, desc->cdev_path, devn);
-
-	fd = open(buf, flags);
-	if (fd == -1)
-		ubi_dbg("cannot open %s", buf);
-
-	free(buf);
-	return fd;
-}
-
-/**
- * ubi_cdev_close - close a UBI device
- *
- * @dev_fd	file descriptor of UBI device to close
- *
- * This function closes the given UBI device.
- */
-static int
-ubi_cdev_close(int dev_fd)
-{
-	return close(dev_fd);
-}
-
-/**
- * @size is now in bytes.
- */
-int
-ubi_mkvol(ubi_lib_t desc, int devn, int vol_id, int vol_type,
-	  long long bytes, int alignment, const char *name)
-{
-	int fd;
-	int err;
-	struct ubi_mkvol_req req;
-	size_t n;
-
-	n = strlen(name);
-	if (n > UBI_MAX_VOLUME_NAME)
-		return -1;
-
-	if ((fd = ubi_cdev_open(desc, devn, O_RDWR)) == -1)
-		return -1;
-
-	req.vol_id = vol_id;
-	req.bytes = bytes;
-	req.vol_type = vol_type;
-	req.alignment = alignment;
-
-	strncpy(req.name, name, UBI_MAX_VOLUME_NAME + 1);
-	req.name_len = n;
-
-	/* printf("DBG: %s(vol_id=%d, bytes=%lld, type=%d, alig=%d, nlen=%d, "
-	       "name=%s)\n", __func__, vol_id, bytes, vol_type, alignment,
-	       strlen(name), name);*/
-
-	err = ioctl(fd, UBI_IOCMKVOL, &req);
-	if (err < 0) {
-		ubi_err("ioctl returned %d errno=%d\n", err, errno);
-		goto out_close;
-	}
-
-	ubi_dbg("created volume %d, size %lld, name \"%s\" "
-		"at UBI dev %d\n", vol_id, bytes, name, devn);
-
-	close(fd);
-	return err;
- out_close:
-	ubi_cdev_close(fd);
-	return err;
-}
-
-int
-ubi_rmvol(ubi_lib_t desc, int devn, int vol_id)
-{
-	int fd;
-	int err;
-
-	if ((fd = ubi_cdev_open(desc, devn, O_RDWR)) == -1)
-		return -1;
-
-	err = ioctl(fd, UBI_IOCRMVOL, &vol_id);
-	if (err < 0)
-		goto out_close;
-
-	ubi_dbg("removed volume %d", vol_id);
-
- out_close:
-	ubi_cdev_close(fd);
-	return err;
-}
-
-int
-ubi_get_info(ubi_lib_t desc, struct ubi_info *ubi)
-{
-	memcpy(ubi, &desc->ubi, sizeof(struct ubi_info));
-	return 0;
-}
-
-
-int
-ubi_vol_open(ubi_lib_t desc, int devn, int vol_id, int flags)
-{
-	char *buf;
-	int fd;
-
-	ubi_dbg("desc=%p, devn=%d, vol_id=%d, flags=%08x\n",
-		desc, devn, vol_id, flags);
-
-	if (desc == NULL) {
-		ubi_err("desc is NULL\n");
-		return -1;
-	}
-	if (desc->vol_cdev_path_len == 0) {
-		ubi_err("path_len == 0\n");
-		return -1;
-	}
-	buf = malloc(desc->cdev_path_len);
-
-	sprintf(buf, desc->vol_cdev_path, devn, vol_id);
-
-	fd = open(buf, flags);
-	if (fd == -1)
-		ubi_dbg("cannot open %s", buf);
-
-	free(buf);
-	return fd;
-}
-
-int
-ubi_vol_close(int vol_fd)
-{
-	return close(vol_fd);
-}
-
-
-int
-ubi_vol_update(int vol_fd, unsigned long long bytes)
-{
-	int err;
-
-	err = ioctl(vol_fd, UBI_IOCVOLUP, &bytes);
-	if (err) {
-		ubi_err("%s failure calling update ioctl\n"
-			"    IOCTL(%08lx) err=%d errno=%d\n",
-			__func__, (long unsigned int)UBI_IOCVOLUP, err, errno);
-	}
-	return err;
-}
-
-FILE *
-ubi_vol_fopen_read(ubi_lib_t desc, int devn, uint32_t vol_id)
-{
-	FILE *fp;
-	int fd;
-
-	fd = ubi_vol_open(desc, devn, vol_id, O_RDONLY);
-	if (fd == -1)
-		return NULL;
-
-	fp = fdopen(fd, "r");
-	if (fp == NULL)
-		ubi_vol_close(fd);
-
-	return fp;
-}
-
-FILE *
-ubi_vol_fopen_update(ubi_lib_t desc, int devn, uint32_t vol_id,
-		     unsigned long long bytes)
-{
-	FILE *fp;
-	int fd;
-	int err;
-
-	fd = ubi_vol_open(desc, devn, vol_id, O_RDWR);
-	if (fd == -1)
-		return NULL;
-
-	fp = fdopen(fd, "r+");
-	if (fp == NULL) {
-		printf("DBG: %s(errno=%d)\n", __func__, errno);
-		ubi_vol_close(fd);
-		return NULL;
-	}
-	err = ubi_vol_update(fd, bytes);
-	if (err < 0) {
-		printf("DBG: %s() fd=%d err=%d\n", __func__, fd, err);
-		fclose(fp);
-		return NULL;
-	}
-	return fp;
-}
-
-int
-ubi_vol_get_used_bytes(int vol_fd, unsigned long long *bytes)
-{
-	off_t res;
-
-	res = lseek(vol_fd, 0, SEEK_END);
-	if (res == (off_t)-1)
-		return -1;
-	*bytes = (unsigned long long) res;
-	res = lseek(vol_fd, 0, SEEK_SET);
-	return res == (off_t)-1 ? -1 : 0;
-}