#include <ctype.h>
#include "libvolume_id.h"
+#include "libvolume_id-private.h"
#include "util.h"
-static struct swap_header_v1_2 {
+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 *sw;
+} PACKED;
#define LARGEST_PAGESIZE 0x4000
-int volume_id_probe_linux_swap(struct volume_id *id, uint64_t off)
+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%llx", (unsigned long long) off);
+ info("probing at offset 0x%llx\n", (unsigned long long) off);
- /* the swap signature is at the end of the PAGE_SIZE */
+ /* 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)
}
if (memcmp(buf, "SWAPSPACE2", 10) == 0) {
- sw = (struct swap_header_v1_2 *) volume_id_get_buffer(id, off, sizeof(struct swap_header_v1_2));
- if (sw == NULL)
- return -1;
+ id->type = "swap";
strcpy(id->type_version, "2");
- 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, UUID_DCE);
- goto found;
+ 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);
- id->type = "swap";
-
return 0;
}