b99f344fde
volume_id is now able to read NTFS labels. Not very exciting, but we keep up to date with the version in HAL. Also __packed__ was needed for the structs, cause the gcc 3.4 compiled version was no longer working properly.
80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/*
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* volume_id - reads partition label and uuid
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*
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* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _VOLUME_ID_H_
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#define _VOLUME_ID_H_
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#define VOLUME_ID_VERSION 004
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#define VOLUME_ID_LABEL_SIZE 64
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#define VOLUME_ID_UUID_SIZE 16
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#define VOLUME_ID_UUID_STRING_SIZE 37
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#define VOLUME_ID_PATH_MAX 255
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enum filesystem_type {
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ALL,
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EXT2,
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EXT3,
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REISER,
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XFS,
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JFS,
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MSDOS,
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VFAT,
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UDF,
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ISO9660,
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NTFS,
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SWAP
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};
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struct volume_id {
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unsigned char label_raw[VOLUME_ID_LABEL_SIZE];
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unsigned int label_raw_len;
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char label_string[VOLUME_ID_LABEL_SIZE+1];
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unsigned char uuid[VOLUME_ID_UUID_SIZE];
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char uuid_string[VOLUME_ID_UUID_STRING_SIZE];
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enum filesystem_type fs_type;
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char *fs_name;
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int fd;
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unsigned char *sbbuf;
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unsigned int sbbuf_len;
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unsigned char *seekbuf;
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unsigned int seekbuf_off;
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unsigned int seekbuf_len;
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int fd_close;
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};
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/* open volume by already open file descriptor */
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extern struct volume_id *volume_id_open_fd(int fd);
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/* open volume by device node */
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extern struct volume_id *volume_id_open_node(const char *path);
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/* open volume by major/minor */
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extern struct volume_id *volume_id_open_dev_t(dev_t devt);
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/* probe volume for filesystem type and try to read label/uuid */
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extern int volume_id_probe(struct volume_id *id, enum filesystem_type fs_type);
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/* free allocated device info */
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extern void volume_id_close(struct volume_id *id);
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#endif
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