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
|
/*
* Copyright 2004-2005 Timo Hirvonen
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <misc.h>
#include <prog.h>
#include <xmalloc.h>
#include <xstrjoin.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include <stdarg.h>
const char *cmus_config_dir = NULL;
const char *home_dir = NULL;
const char *user_name = NULL;
char **get_words(const char *text)
{
char **words;
int i, j, count;
while (*text == ' ')
text++;
count = 0;
i = 0;
while (text[i]) {
count++;
while (text[i] && text[i] != ' ')
i++;
while (text[i] == ' ')
i++;
}
words = xnew(char *, count + 1);
i = 0;
j = 0;
while (text[i]) {
int start = i;
while (text[i] && text[i] != ' ')
i++;
words[j++] = xstrndup(text + start, i - start);
while (text[i] == ' ')
i++;
}
words[j] = NULL;
return words;
}
int strptrcmp(const void *a, const void *b)
{
const char *as = *(char **)a;
const char *bs = *(char **)b;
return strcmp(as, bs);
}
static int dir_exists(const char *dirname)
{
DIR *dir;
dir = opendir(dirname);
if (dir == NULL) {
if (errno == ENOENT)
return 0;
return -1;
}
closedir(dir);
return 1;
}
static void make_dir(const char *dirname)
{
int rc;
rc = dir_exists(dirname);
if (rc == 1)
return;
if (rc == -1)
die_errno("error: opening `%s'", dirname);
rc = mkdir(dirname, 0700);
if (rc == -1)
die_errno("error: creating directory `%s'", dirname);
}
static char *get_non_empty_env(const char *name)
{
const char *val;
val = getenv(name);
if (val == NULL || val[0] == 0)
return NULL;
return xstrdup(val);
}
int misc_init(void)
{
home_dir = get_non_empty_env("HOME");
if (home_dir == NULL)
die("error: environment variable HOME not set\n");
user_name = get_non_empty_env("USER");
if (user_name == NULL) {
user_name = get_non_empty_env("USERNAME");
if (user_name == NULL)
die("error: neither USER or USERNAME environment variable set\n");
}
cmus_config_dir = get_non_empty_env("CMUS_HOME");
if (cmus_config_dir == NULL)
cmus_config_dir = xstrjoin(home_dir, "/.cmus");
make_dir(cmus_config_dir);
return 0;
}
|