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d5f1b1bbe0
function old new delta evalcommand 1195 1209 +14 testcmd - 10 +10 printfcmd - 10 +10 echocmd - 10 +10 func_exec 270 276 +6 echo_dg 104 109 +5 store_nlmsg 85 89 +4 pseudo_exec_argv 195 198 +3 dotcmd 287 290 +3 machtime_stream 29 31 +2 discard_stream 24 26 +2 argstr 1299 1301 +2 killcmd 108 109 +1 evalfor 226 227 +1 daytime_stream 43 44 +1 run_list 2544 2543 -1 lookupvar 62 61 -1 ipaddr_modify 1310 1309 -1 ... parse_stream 2254 2245 -9 evalpipe 356 347 -9 collect_if 210 197 -13 read_opt 869 851 -18 handle_dollar 681 658 -23 print_addrinfo 1342 1303 -39 iterate_on_dir 156 59 -97 print_route 1709 1609 -100 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 12/130 up/down: 74/-767) Total: -693 bytes text data bss dec hex filename 841748 467 7872 850087 cf8a7 busybox_old 841061 467 7872 849400 cf5f8 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
/*
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* volume_id - reads filesystem label and uuid
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*
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* Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "volume_id_internal.h"
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#define SYSV_NICINOD 100
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#define SYSV_NICFREE 50
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struct sysv_super {
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uint16_t s_isize;
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uint16_t s_pad0;
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uint32_t s_fsize;
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uint16_t s_nfree;
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uint16_t s_pad1;
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uint32_t s_free[SYSV_NICFREE];
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uint16_t s_ninode;
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uint16_t s_pad2;
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uint16_t s_inode[SYSV_NICINOD];
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uint8_t s_flock;
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uint8_t s_ilock;
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uint8_t s_fmod;
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uint8_t s_ronly;
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uint32_t s_time;
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uint16_t s_dinfo[4];
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uint32_t s_tfree;
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uint16_t s_tinode;
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uint16_t s_pad3;
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uint8_t s_fname[6];
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uint8_t s_fpack[6];
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uint32_t s_fill[12];
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uint32_t s_state;
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uint32_t s_magic;
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uint32_t s_type;
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} __attribute__((__packed__));
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#define XENIX_NICINOD 100
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#define XENIX_NICFREE 100
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struct xenix_super {
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uint16_t s_isize;
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uint32_t s_fsize;
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uint16_t s_nfree;
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uint32_t s_free[XENIX_NICFREE];
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uint16_t s_ninode;
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uint16_t s_inode[XENIX_NICINOD];
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uint8_t s_flock;
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uint8_t s_ilock;
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uint8_t s_fmod;
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uint8_t s_ronly;
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uint32_t s_time;
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uint32_t s_tfree;
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uint16_t s_tinode;
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uint16_t s_dinfo[4];
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uint8_t s_fname[6];
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uint8_t s_fpack[6];
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uint8_t s_clean;
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uint8_t s_fill[371];
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uint32_t s_magic;
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uint32_t s_type;
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} __attribute__((__packed__));
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#define SYSV_SUPERBLOCK_BLOCK 0x01
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#define SYSV_MAGIC 0xfd187e20
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#define XENIX_SUPERBLOCK_BLOCK 0x18
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#define XENIX_MAGIC 0x2b5544
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#define SYSV_MAX_BLOCKSIZE 0x800
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int volume_id_probe_sysv(struct volume_id *id /*,uint64_t off*/)
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{
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#define off ((uint64_t)0)
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struct sysv_super *vs;
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struct xenix_super *xs;
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unsigned boff;
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dbg("probing at offset 0x%llx", (unsigned long long) off);
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for (boff = 0x200; boff <= SYSV_MAX_BLOCKSIZE; boff <<= 1) {
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vs = volume_id_get_buffer(id, off + (boff * SYSV_SUPERBLOCK_BLOCK), 0x200);
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if (vs == NULL)
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return -1;
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if (vs->s_magic == cpu_to_le32(SYSV_MAGIC) || vs->s_magic == cpu_to_be32(SYSV_MAGIC)) {
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// volume_id_set_label_raw(id, vs->s_fname, 6);
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volume_id_set_label_string(id, vs->s_fname, 6);
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// id->type = "sysv";
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goto found;
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}
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}
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for (boff = 0x200; boff <= SYSV_MAX_BLOCKSIZE; boff <<= 1) {
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xs = volume_id_get_buffer(id, off + (boff + XENIX_SUPERBLOCK_BLOCK), 0x200);
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if (xs == NULL)
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return -1;
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if (xs->s_magic == cpu_to_le32(XENIX_MAGIC) || xs->s_magic == cpu_to_be32(XENIX_MAGIC)) {
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// volume_id_set_label_raw(id, xs->s_fname, 6);
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volume_id_set_label_string(id, xs->s_fname, 6);
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// id->type = "xenix";
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goto found;
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}
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}
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return -1;
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found:
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// volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
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return 0;
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}
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