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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/*-
* redshift-ng - Automatically adjust display colour temperature according the Sun
*
* Copyright (c) 2009-2018 Jon Lund Steffensen <jonlst@gmail.com>
* Copyright (c) 2014-2016, 2025 Mattias Andrée <m@maandree.se>
*
* redshift-ng 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.
*
* redshift-ng 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 redshift-ng. If not, see <http://www.gnu.org/licenses/>.
*/
#include "common.h"
struct location_state {
/**
* The loaded location
*/
struct location location;
/**
* File to read location from, `NULL` for default
*/
char *file;
};
static int
geofile_create(struct location_state **state_out)
{
*state_out = emalloc(sizeof(**state_out));
(*state_out)->file = NULL;
return 0;
}
GCC_ONLY(__attribute__((__pure__)))
static int
geofile_start(struct location_state *state)
{
struct libgeome_data data = {.requested_data = LIBGEOME_DATUM_LATITUDE | LIBGEOME_DATUM_LONGITUDE};
struct libgeome_context ctx;
int r;
libgeome_basic_context(&ctx, argv0);
r = libgeome_get_from_file(&ctx, &data, state->file);
free(state->file);
state->file = NULL;
if (r || data.requested_data != (LIBGEOME_DATUM_LATITUDE | LIBGEOME_DATUM_LONGITUDE))
return -1;
state->location.latitude = data.latitude;
state->location.longitude = data.longitude;
return 0;
}
static void
geofile_free(struct location_state *state)
{
free(state->file);
free(state);
}
static void
geofile_print_help(void)
{
printf(_("Specify location via file.\n"));
printf("\n");
printf(" file=%s %s\n", _("FILE "), _("File to read location from (empty for default)"));
printf("\n");
}
static int
geofile_set_option(struct location_state *state, const char *key, const char *value)
{
if (!strcasecmp(key, "file")) {
free(state->file);
state->file = *value ? estrdup(value) : NULL;
return 0;
} else {
weprintf(_("Unknown provider parameter: `%s'."), key);
return -1;
}
}
static int
geofile_get_fd(struct location_state *state)
{
(void) state;
return -1;
}
static int
geofile_fetch(struct location_state *state, struct location *location_out, int *available_out)
{
*location_out = state->location;
*available_out = 1;
return 0;
}
const struct location_provider geofile_location_provider = LOCATION_PROVIDER_INIT("geofile", geofile);
|
