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60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
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/******************************************************************
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Copyright (C) 2009 Henrik Carlqvist
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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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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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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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#include <stdio.h>
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#include <string.h>
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#include "file.h"
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#include "fat12.h"
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int is_fat_12_fs(FILE *fp)
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{
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char *szMagic = "FAT12 ";
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return contains_data(fp, 0x36, szMagic, strlen(szMagic));
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} /* is_fat_12_fs */
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int entire_fat_12_br_matches(FILE *fp)
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{
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#include "br_fat12_0x0.h"
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#include "br_fat12_0x3e.h"
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return
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( contains_data(fp, 0x0, br_fat12_0x0, sizeof(br_fat12_0x0)) &&
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/* BIOS Parameter Block might differ between systems */
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contains_data(fp, 0x3e, br_fat12_0x3e, sizeof(br_fat12_0x3e)) );
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} /* entire_fat_12_br_matches */
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int write_fat_12_br(FILE *fp, int bKeepLabel)
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{
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#include "label_11_char.h"
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#include "br_fat12_0x0.h"
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#include "br_fat12_0x3e.h"
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if(bKeepLabel)
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return
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( write_data(fp, 0x0, br_fat12_0x0, sizeof(br_fat12_0x0)) &&
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/* BIOS Parameter Block might differ between systems */
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write_data(fp, 0x3e, br_fat12_0x3e, sizeof(br_fat12_0x3e)) );
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else
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return
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( write_data(fp, 0x0, br_fat12_0x0, sizeof(br_fat12_0x0)) &&
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/* BIOS Parameter Block might differ between systems */
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write_data(fp, 0x2b, label_11_char, sizeof(label_11_char)) &&
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write_data(fp, 0x3e, br_fat12_0x3e, sizeof(br_fat12_0x3e)) );
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} /* write_fat_12_br */
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