diff options
Diffstat (limited to 'extras/volume_id/lib/linux_swap.c')
-rw-r--r-- | extras/volume_id/lib/linux_swap.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/extras/volume_id/lib/linux_swap.c b/extras/volume_id/lib/linux_swap.c deleted file mode 100644 index 53649bdb75..0000000000 --- a/extras/volume_id/lib/linux_swap.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * volume_id - reads filesystem label and uuid - * - * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef _GNU_SOURCE -#define _GNU_SOURCE 1 -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <ctype.h> - -#include "libvolume_id.h" -#include "libvolume_id-private.h" - -struct swap_header_v1_2 { - uint8_t bootbits[1024]; - uint32_t version; - uint32_t last_page; - uint32_t nr_badpages; - uint8_t uuid[16]; - uint8_t volume_name[16]; -} PACKED; - -#define LARGEST_PAGESIZE 0x10000 - -int volume_id_probe_linux_swap(struct volume_id *id, uint64_t off, uint64_t size) -{ - const uint8_t *buf; - unsigned int page; - struct swap_header_v1_2 *sw; - - info("probing at offset 0x%" PRIx64 "\n", off); - - /* eek, the swap signature is at the end of the PAGE_SIZE */ - for (page = 0x1000; page <= LARGEST_PAGESIZE; page <<= 1) { - buf = volume_id_get_buffer(id, off + page-10, 10); - if (buf == NULL) - return -1; - - if (memcmp(buf, "SWAP-SPACE", 10) == 0) { - id->type = "swap"; - strcpy(id->type_version, "1"); - goto found; - } - - if (memcmp(buf, "SWAPSPACE2", 10) == 0) { - id->type = "swap"; - strcpy(id->type_version, "2"); - goto found_label; - } - - if (memcmp(buf, "S1SUSPEND", 9) == 0) { - id->type = "suspend"; - strcpy(id->type_version, "s1suspend"); - goto found_label; - } - - if (memcmp(buf, "ULSUSPEND", 9) == 0) { - id->type = "suspend"; - strcpy(id->type_version, "ulsuspend"); - goto found_label; - } - - if (memcmp(buf, "\xed\xc3\x02\xe9\x98\x56\xe5\x0c", 8) == 0) { - id->type = "suspend"; - strcpy(id->type_version, "tuxonice"); - goto found_label; - } - } - return -1; - -found_label: - sw = (struct swap_header_v1_2 *) volume_id_get_buffer(id, off, sizeof(struct swap_header_v1_2)); - if (sw != NULL) { - volume_id_set_label_raw(id, sw->volume_name, 16); - volume_id_set_label_string(id, sw->volume_name, 16); - volume_id_set_uuid(id, sw->uuid, 0, UUID_DCE); - } - -found: - volume_id_set_usage(id, VOLUME_ID_OTHER); - /* we think this is swap, but we make sure no other signatures are found */ - id->force_unique_result = 1; - return 0; -} |