1 #include <stdlib.h> 2 #include <string.h> 3 4 #include <disk/swsusp.h> 5 #include <disk/read.h> 6 #include <disk/geom.h> 7 8 /** 9 * swsusp_check - check if a (swap) partition contains the swsusp signature 10 * @drive_info: driveinfo struct describing the disk containing the partition 11 * @ptab; Partition table of the partition 12 **/ 13 int swsusp_check(struct driveinfo *drive_info, struct part_entry *ptab) 14 { 15 struct swsusp_header header_p; 16 int offset; 17 int found; 18 19 /* Read first page of the swap device */ 20 offset = ptab->start_lba; 21 if (read_sectors(drive_info, &header_p, offset, PAGE_SIZE / SECTOR) == -1) { 22 return -1; 23 } else { 24 found = !memcmp(SWSUSP_SIG, header_p.sig, 10); 25 return found; 26 } 27 } 28
