-
Notifications
You must be signed in to change notification settings - Fork 2
/
hard_links_cache.c
52 lines (43 loc) · 1.5 KB
/
hard_links_cache.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/*
tdiff - tree diffs
hard_links_cache.c - Remember all the hard links
Copyright (C) 2019 Philippe Troin <[email protected]>
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
(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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "hard_links_cache.h"
#include <string.h>
hashval_t
hc_hash(const void* vent)
{
return gh_binary_hash(vent, sizeof(hard_links_cache_key_t));
}
int
hc_equal(const void* ve1, const void* ve2)
{
const hard_links_cache_key_t *e1 = (const hard_links_cache_key_t*)ve1;
const hard_links_cache_key_t *e2 = (const hard_links_cache_key_t*)ve2;
return e1->ino == e2->ino
&& e1->dev == e2->dev;
}
void
hc_add_hard_link(hard_links_cache_t* hc, const hard_links_cache_key_t* k, hard_links_cache_val_t* v, const char *name)
{
if (v == NULL)
{
hard_links_cache_key_t *kc = xmalloc(sizeof(*k));
memcpy(kc, k, sizeof(*k));
str_list_new_size(&v, 1);
hc_put(hc, kc, v);
}
str_list_push(v, name);
}