Greg Hartman | 76d05dc | 2016-11-23 15:51:27 -0800 | [diff] [blame] | 1 | /* ----------------------------------------------------------------------- * |
| 2 | * |
| 3 | * Copyright 2009 Pierre-Alexandre Meyer |
| 4 | * |
| 5 | * This file is part of Syslinux, and is made available under |
| 6 | * the terms of the GNU General Public License version 2. |
| 7 | * |
| 8 | * ----------------------------------------------------------------------- */ |
| 9 | |
| 10 | #include <disk/bootloaders.h> |
| 11 | #include <disk/common.h> |
| 12 | #include <disk/geom.h> |
| 13 | #include <disk/read.h> |
| 14 | #include <stdlib.h> |
| 15 | #include <string.h> |
| 16 | |
| 17 | /** |
| 18 | * get_bootloader_string - return a string describing the boot code in a |
| 19 | * bootsector |
| 20 | * @d: driveinfo struct describing the drive |
| 21 | * @p: partition to scan (usually the active one) |
| 22 | * @buffer: pre-allocated buffer |
| 23 | * @buffer_size: @buffer size |
| 24 | **/ |
| 25 | int get_bootloader_string(struct driveinfo *d, const struct part_entry *p, |
| 26 | char *buffer, const int buffer_size) |
| 27 | { |
| 28 | char boot_sector[SECTOR * sizeof(char)]; |
| 29 | |
| 30 | if (read_sectors(d, &boot_sector, p->start_lba, 1) == -1) |
| 31 | return -1; |
| 32 | else { |
| 33 | if (!strncmp(boot_sector + 3, "SYSLINUX", 8)) |
| 34 | strlcpy(buffer, "SYSLINUX", buffer_size - 1); |
| 35 | else if (!strncmp(boot_sector + 3, "EXTLINUX", 8)) |
| 36 | strlcpy(buffer, "EXTLINUX", buffer_size - 1); |
| 37 | else if (!strncmp(boot_sector + 3, "MSWIN4.1", 8)) |
| 38 | strlcpy(buffer, "MSWIN4.1", buffer_size - 1); |
| 39 | else |
| 40 | return -1; |
| 41 | /* Add more... */ |
| 42 | |
| 43 | buffer[buffer_size - 1] = '\0'; |
| 44 | return 0; |
| 45 | } |
| 46 | } |