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/* bsect.h - Boot sector handling */
/* Copyright 1992-1995 Werner Almesberger. See file COPYING for details. */
#ifndef BSECT_H
#define BSECT_H
void bsect_read(char *boot_dev,BOOT_SECTOR *buffer);
/* Read the boot sector stored on BOOT_DEV into BUFFER. */
void bsect_open(char *boot_dev,char *map_file,char *install,int delay,
int timeout);
/* Loads the boot sector of the specified device and merges it with a new
boot sector (if install != NULL). Sets the boot delay to 'delay' 1/10 sec.
Sets the input timeout to 'timeout' 1/10 sec (no timeout if -1). Creates a
temporary map file. */
int bsect_number(void);
/* Returns the number of successfully defined boot images. */
void check_fallback(void);
/* Verifies that all fallback options specify valid images. */
void bsect_update(char *backup_file,int force_backup);
/* Updates the boot sector and the map file. */
void bsect_cancel(void);
/* Cancels all changes. (Deletes the temporary map file and doesn't update
the boot sector. */
void do_image(void);
/* Define a "classic" boot image. (Called from the configuration parser.) */
void do_unstripped(void);
/* Define an unstripped kernel. */
void do_other(void);
/* Define an other operating system. */
void bsect_uninstall(char *boot_dev_name,char *backup_file,int validate);
/* Restores the backed-up boot sector of the specified device. If
'boot_dev_name' is NULL, the current root device is used. If 'backup_file'
is NULL, the default backup file is used. A time stamp contained in the
boot sector is verified if 'validate' is non-zero. */
#endif
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