build:dist: call build-manpages-nogit for make dist and package generated files
[Samba/gebeck_regimport.git] / source3 / lib / file_id.c
blob1640708d6c50902baceee16e58cbc6f90da34b16
1 /*
2 Unix SMB/CIFS implementation.
4 file_id structure handling
6 Copyright (C) Andrew Tridgell 2007
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "includes.h"
23 #include "lib/file_id.h"
26 return True if two file_id structures are equal
28 bool file_id_equal(const struct file_id *id1, const struct file_id *id2)
30 return id1->inode == id2->inode && id1->devid == id2->devid &&
31 id1->extid == id2->extid;
35 a static-like (on talloc_tos()) string for a file_id structure
37 const char *file_id_string_tos(const struct file_id *id)
39 char *result = talloc_asprintf(talloc_tos(), "%llx:%llx:%llx",
40 (unsigned long long)id->devid,
41 (unsigned long long)id->inode,
42 (unsigned long long)id->extid);
43 SMB_ASSERT(result != NULL);
44 return result;
48 an allocated string for a file_id structure
50 const char *file_id_string(TALLOC_CTX *mem_ctx, const struct file_id *id)
52 char *result = talloc_asprintf(mem_ctx, "%llx:%llx:%llx",
53 (unsigned long long)id->devid,
54 (unsigned long long)id->inode,
55 (unsigned long long)id->extid);
56 SMB_ASSERT(result != NULL);
57 return result;
61 push a 16 byte version of a file id into a buffer. This ignores the extid
62 and is needed when dev/inodes are stored in persistent storage (tdbs).
64 void push_file_id_16(char *buf, const struct file_id *id)
66 SIVAL(buf, 0, id->devid&0xFFFFFFFF);
67 SIVAL(buf, 4, id->devid>>32);
68 SIVAL(buf, 8, id->inode&0xFFFFFFFF);
69 SIVAL(buf, 12, id->inode>>32);
73 push a 24 byte version of a file id into a buffer
75 void push_file_id_24(char *buf, const struct file_id *id)
77 SIVAL(buf, 0, id->devid&0xFFFFFFFF);
78 SIVAL(buf, 4, id->devid>>32);
79 SIVAL(buf, 8, id->inode&0xFFFFFFFF);
80 SIVAL(buf, 12, id->inode>>32);
81 SIVAL(buf, 16, id->extid&0xFFFFFFFF);
82 SIVAL(buf, 20, id->extid>>32);
86 pull a 24 byte version of a file id from a buffer
88 void pull_file_id_24(char *buf, struct file_id *id)
90 ZERO_STRUCTP(id);
91 id->devid = IVAL(buf, 0);
92 id->devid |= ((uint64_t)IVAL(buf,4))<<32;
93 id->inode = IVAL(buf, 8);
94 id->inode |= ((uint64_t)IVAL(buf,12))<<32;
95 id->extid = IVAL(buf, 16);
96 id->extid |= ((uint64_t)IVAL(buf,20))<<32;