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
115
116
117
118
119
120
121
122
|
/*****************************************************************
* gmerlin - a general purpose multimedia framework and applications
*
* Copyright (c) 2001 - 2010 Members of the Gmerlin project
* gmerlin-general@lists.sourceforge.net
* http://gmerlin.sourceforge.net
*
* 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 2 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/>.
* *****************************************************************/
/* Handling of input devices */
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <gmerlin/plugin.h>
#include <gmerlin/utils.h>
static void dereference_link(const char * _src, char dst[FILENAME_MAX])
{
char * pos;
int len;
struct stat st;
char src[FILENAME_MAX];
strcpy(src, _src);
while(1)
{
if(lstat(src, &st) || !S_ISLNK(st.st_mode))
{
strcpy(dst, src);
return;
}
/* Read symbolic link and copy to source */
len = readlink(src, dst, FILENAME_MAX);
dst[len] = '\0';
if(*dst == '/')
{
strcpy(src, dst);
}
else /* Relative link */
{
pos = strrchr(src, '/');
pos++;
strcpy(pos, dst);
}
}
}
bg_device_info_t * bg_device_info_append(bg_device_info_t * arr,
const char * device,
const char * name)
{
int i, size = 0;
char real_device[FILENAME_MAX];
if(arr)
{
while(arr[size].device)
size++;
}
dereference_link(device, real_device);
for(i = 0; i < size; i++)
{
if(!strcmp(arr[i].device, real_device))
return arr;
}
size++;
arr = realloc(arr, (size+1) * sizeof(*arr));
arr[size-1].device = bg_strdup(NULL, real_device);
arr[size-1].name = bg_strdup(NULL, name);
/* Zero terminate */
memset(&(arr[size]), 0, sizeof(arr[size]));
return arr;
}
void bg_device_info_destroy(bg_device_info_t * arr)
{
int i = 0;
if(!arr)
return;
while(arr[i].device)
{
free(arr[i].device);
if(arr[i].name)
free(arr[i].name);
i++;
}
free(arr);
}
|
