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git-subtree-dir: debian/grub-extras git-subtree-mainline:955d61226agit-subtree-split:f2a0794419
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*
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* GRUB Utilities -- Utilities for GRUB Legacy, GRUB2 and GRUB for DOS
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* Copyright (C) 2007 Bean (bean123@126.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __UTILS_H
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#define __UTILS_H
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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#define MAX_DISKS 10
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#define MAX_PARTS 30
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#define FST_OTHER 0
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#define FST_MBR 1
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#define FST_FAT16 2
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#define FST_FAT32 3
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#define FST_NTFS 4
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#define FST_EXT2 5
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typedef struct {
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unsigned char cur; // Current partition number
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unsigned char nxt; // Next partition number
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unsigned char dfs; // File system flag
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unsigned char pad; // Padding
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unsigned long bse; // Partition start address
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unsigned long len; // Partition length
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unsigned long ebs; // Base address for the extended partition
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} __attribute__ ((packed)) xde_t;
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static inline unsigned short
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get16 (const void *buf_, unsigned offset)
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{
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unsigned char *buf = (unsigned char *) buf_ + offset;
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return buf[0] | (buf[1] << 8);
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}
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static inline unsigned int
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get32 (const void *buf_, unsigned offset)
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{
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unsigned char *buf = (unsigned char *) buf_ + offset;
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return buf[0] | (buf[1] << 8) | (buf[1] << 16) | (buf[1] << 24);
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}
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static inline void
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set16 (void *buf_, unsigned offset, unsigned short val)
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{
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unsigned char *buf = (unsigned char *) buf_ + offset;
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buf[0] = val;
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buf[1] = val >> 8;
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}
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static inline void
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set32 (void *buf_, unsigned offset, unsigned int val)
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{
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unsigned char *buf = (unsigned char *) buf_ + offset;
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buf[0] = val;
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buf[1] = val >> 8;
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buf[2] = val >> 16;
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buf[3] = val >> 24;
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}
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extern int mbr_nhd, mbr_spt;
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int go_sect(int,unsigned long);
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int xd_enum(int,xde_t*);
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int get_fstype(unsigned char*);
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const char* fst2str(int);
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const char* dfs2str(int);
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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#endif /* __UTILS_H */
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