/* * volume_id - reads filesystem label and uuid * * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ //config:config FEATURE_VOLUMEID_ROMFS //config: bool "romfs filesystem" //config: default y //config: depends on VOLUMEID //kbuild:lib-$(CONFIG_FEATURE_VOLUMEID_ROMFS) += romfs.o #include "volume_id_internal.h" struct romfs_super { uint8_t magic[8]; uint32_t size; uint32_t checksum; uint8_t name[]; } PACKED; int FAST_FUNC volume_id_probe_romfs(struct volume_id *id /*,uint64_t off*/) { #define off ((uint64_t)0) struct romfs_super *rfs; dbg("probing at offset 0x%llx", (unsigned long long) off); rfs = volume_id_get_buffer(id, off, 0x200); if (rfs == NULL) return -1; if (memcmp(rfs->magic, "-rom1fs-", 4) == 0) { size_t len = strlen((char *)rfs->name); if (len) { // volume_id_set_label_raw(id, rfs->name, len); volume_id_set_label_string(id, rfs->name, len); } // volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); IF_FEATURE_BLKID_TYPE(id->type = "romfs";) return 0; } return -1; }