X-Git-Url: https://git.sven.stormbind.net/?p=sven%2Ffuse-exfat.git;a=blobdiff_plain;f=mkfs%2Frootdir.c;fp=mkfs%2Frootdir.c;h=0000000000000000000000000000000000000000;hp=4f9b0e8a7e08612f2c3c767f97c69efaabf87502;hb=aa03032454625361e1abc1cf80f4db0492ae5b81;hpb=b8b3f5e8940dd7a0ce964dfecd8c6c6139dab421 diff --git a/mkfs/rootdir.c b/mkfs/rootdir.c deleted file mode 100644 index 4f9b0e8..0000000 --- a/mkfs/rootdir.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - rootdir.c (09.11.10) - Root directory creation code. - - Free exFAT implementation. - Copyright (C) 2011-2018 Andrew Nayenko - - 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, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -#include "rootdir.h" -#include "uct.h" -#include "cbm.h" -#include "uctc.h" -#include - -static off_t rootdir_alignment(void) -{ - return get_cluster_size(); -} - -static off_t rootdir_size(void) -{ - return get_cluster_size(); -} - -static void init_label_entry(struct exfat_entry_label* label_entry) -{ - memset(label_entry, 0, sizeof(struct exfat_entry_label)); - label_entry->type = EXFAT_ENTRY_LABEL ^ EXFAT_ENTRY_VALID; - - if (exfat_utf16_length(get_volume_label()) == 0) - return; - - memcpy(label_entry->name, get_volume_label(), - EXFAT_ENAME_MAX * sizeof(le16_t)); - label_entry->length = exfat_utf16_length(get_volume_label()); - label_entry->type |= EXFAT_ENTRY_VALID; -} - -static void init_bitmap_entry(struct exfat_entry_bitmap* bitmap_entry) -{ - memset(bitmap_entry, 0, sizeof(struct exfat_entry_bitmap)); - bitmap_entry->type = EXFAT_ENTRY_BITMAP; - bitmap_entry->start_cluster = cpu_to_le32(EXFAT_FIRST_DATA_CLUSTER); - bitmap_entry->size = cpu_to_le64(cbm.get_size()); -} - -static void init_upcase_entry(struct exfat_entry_upcase* upcase_entry) -{ - size_t i; - uint32_t sum = 0; - - for (i = 0; i < sizeof(upcase_table); i++) - sum = ((sum << 31) | (sum >> 1)) + upcase_table[i]; - - memset(upcase_entry, 0, sizeof(struct exfat_entry_upcase)); - upcase_entry->type = EXFAT_ENTRY_UPCASE; - upcase_entry->checksum = cpu_to_le32(sum); - upcase_entry->start_cluster = cpu_to_le32( - (get_position(&uct) - get_position(&cbm)) / get_cluster_size() + - EXFAT_FIRST_DATA_CLUSTER); - upcase_entry->size = cpu_to_le64(sizeof(upcase_table)); -} - -static int rootdir_write(struct exfat_dev* dev) -{ - struct exfat_entry_label label_entry; - struct exfat_entry_bitmap bitmap_entry; - struct exfat_entry_upcase upcase_entry; - - init_label_entry(&label_entry); - init_bitmap_entry(&bitmap_entry); - init_upcase_entry(&upcase_entry); - - if (exfat_write(dev, &label_entry, sizeof(struct exfat_entry)) < 0) - return 1; - if (exfat_write(dev, &bitmap_entry, sizeof(struct exfat_entry)) < 0) - return 1; - if (exfat_write(dev, &upcase_entry, sizeof(struct exfat_entry)) < 0) - return 1; - return 0; -} - -const struct fs_object rootdir = -{ - .get_alignment = rootdir_alignment, - .get_size = rootdir_size, - .write = rootdir_write, -};