1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* ----------------------------------------------------------------------- *
*
* Copyright 2009 Pierre-Alexandre Meyer
*
* This file is part of Syslinux, and is made available under
* the terms of the GNU General Public License version 2.
*
* ----------------------------------------------------------------------- */
#include <disk/bootloaders.h>
#include <disk/common.h>
#include <disk/geom.h>
#include <disk/read.h>
#include <stdlib.h>
#include <string.h>
/**
* get_bootloader_string - return a string describing the boot code in a
* bootsector
* @d: driveinfo struct describing the drive
* @p: partition to scan (usually the active one)
* @buffer: pre-allocated buffer
* @buffer_size: @buffer size
**/
int get_bootloader_string(const struct driveinfo *d, const struct part_entry *p,
char* buffer, const int buffer_size)
{
char boot_sector[SECTOR * sizeof(char)];
if (read_sectors(d, &boot_sector, p->start_lba, 1) == -1)
return -1;
else {
if (!strncmp(boot_sector + 3, "SYSLINUX", 8))
strncpy(buffer, "SYSLINUX", buffer_size - 1);
else if (!strncmp(boot_sector + 3, "EXTLINUX", 8))
strncpy(buffer, "EXTLINUX", buffer_size - 1);
else if (!strncmp(boot_sector + 3, "MSWIN4.1", 8))
strncpy(buffer, "MSWIN4.1", buffer_size - 1);
else
return -1;
/* Add more... */
buffer[buffer_size - 1] = '\0';
return 0;
}
}
|
