X-Git-Url: http://git.sven.stormbind.net/?p=sven%2Fexfat-utils.git;a=blobdiff_plain;f=mkfs%2Fuct.c;h=3355b615356d4902caeb4a793401ec1e3dff1775;hp=9038ed9992a1f1f6abe9c13e845e2a29a8e13580;hb=0307b68d5ec9469973027570155402795ea1218f;hpb=4cb393cfd9b0ab69392612521ee3dbe481ec492d diff --git a/mkfs/uct.c b/mkfs/uct.c index 9038ed9..3355b61 100644 --- a/mkfs/uct.c +++ b/mkfs/uct.c @@ -2,11 +2,12 @@ uct.c (09.11.10) Upper Case Table creation code. - Copyright (C) 2009, 2010 Andrew Nayenko + Free exFAT implementation. + Copyright (C) 2011-2014 Andrew Nayenko - This program is free software: you can redistribute it and/or modify + 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 3 of the License, or + 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, @@ -14,41 +15,38 @@ 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 . + 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 -#include -#include "mkexfat.h" +#include "uct.h" #include "uctc.h" -off_t uct_alignment(void) +static off_t uct_alignment(void) { - return CLUSTER_SIZE(sb); + return get_cluster_size(); } -off_t uct_size(void) +static off_t uct_size(void) { return sizeof(upcase_table); } -static le32_t uct_checksum(void) +static int uct_write(struct exfat_dev* dev) { - size_t i; - uint32_t sum = 0; - - for (i = 0; i < sizeof(upcase_table); i++) - sum = ((sum << 31) | (sum >> 1)) + upcase_table[i]; - return cpu_to_le32(sum); + if (exfat_write(dev, upcase_table, sizeof(upcase_table)) < 0) + { + exfat_error("failed to write upcase table of %zu bytes", + sizeof(upcase_table)); + return 1; + } + return 0; } -int uct_write(off_t base, int fd) +const struct fs_object uct = { - if (write(fd, upcase_table, sizeof(upcase_table)) == -1) - return errno; - upcase_entry.checksum = uct_checksum(); - upcase_entry.start_cluster = cpu_to_le32(OFFSET_TO_CLUSTER(base)); - upcase_entry.size = cpu_to_le64(sizeof(upcase_table)); - return 0; -} + .get_alignment = uct_alignment, + .get_size = uct_size, + .write = uct_write, +};