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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/* ----------------------------------------------------------------------------
libconfig - A library for processing structured configuration files
Copyright (C) 2005-2018 Mark A Lindner
This file is part of libconfig.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, see
<http://www.gnu.org/licenses/>.
----------------------------------------------------------------------------
*/
#include <dirent.h>
#include <fnmatch.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <libconfig.h>
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif
/* This example reads the configuration file 'example.cfg' and displays
* some of its contents.
*/
static const char **include_func(config_t *config,
const char *include_dir,
const char *path,
const char **error)
{
char *p;
DIR *dp;
struct dirent *dir_entry;
struct stat stat_buf;
char include_path[PATH_MAX + 1];
size_t include_path_len = 0;
char file_path[PATH_MAX + 1];
char **result = NULL;
char **result_next = result;
int result_count = 0;
int result_capacity = 0;
*include_path = 0;
if(*path != '/')
{
if(include_dir)
{
strcat(include_path, include_dir);
include_path_len += strlen(include_dir);
}
}
p = strrchr(path, '/');
if(p > path)
{
int len = p - path;
if((include_path_len > 0)
&& (*(include_path + include_path_len - 1) != '/'))
{
strcat(include_path, "/");
++include_path_len;
}
strncat(include_path, path, len);
include_path_len += len;
}
if(include_path_len == 0)
{
strcpy(include_path, ".");
include_path_len = 1;
}
dp = opendir(include_path);
if(dp)
{
while((dir_entry = readdir(dp)) != NULL)
{
snprintf(file_path, PATH_MAX, "%s/%s", include_path, dir_entry->d_name);
if(lstat(file_path, &stat_buf) != 0) continue;
if(!S_ISREG(stat_buf.st_mode)) continue;
if(fnmatch(path, file_path, FNM_PATHNAME) != 0) continue;
if(result_count == result_capacity)
{
result_capacity += 16;
result = (char **)realloc(result, (result_capacity + 1) * sizeof(char *));
result_next = result + result_count;
}
*result_next = strdup(file_path);
++result_next;
++result_count;
printf("file: %s\n", file_path);
}
closedir(dp);
}
*result_next = NULL;
return((const char **)result);
}
int main(int argc, char **argv)
{
config_t cfg;
config_init(&cfg);
config_set_include_func(&cfg, include_func);
/* Read the file. If there is an error, report it and exit. */
if(! config_read_file(&cfg, "example4.cfg"))
{
fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg),
config_error_line(&cfg), config_error_text(&cfg));
config_destroy(&cfg);
return(EXIT_FAILURE);
}
config_write(&cfg, stdout);
return(EXIT_SUCCESS);
}
|
