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
|
/*
chronyd/chronyc - Programs for keeping computer clocks accurate.
**********************************************************************
* Copyright (C) Richard P. Curnow 1997-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
**********************************************************************
=======================================================================
A function for creating a directory and any parent directories that
don't exist.
*/
#include "config.h"
#include "sysincl.h"
#include "memory.h"
#include "mkdirpp.h"
static int
do_dir(char *p)
{
int status;
struct stat buf;
#if defined(TEST)
fprintf(stderr, "do_dir(%s)\n", p);
#endif
/* See if directory exists */
status = stat(p, &buf);
if (status < 0) {
if (errno == ENOENT) {
/* Try to create directory */
status = mkdir(p, 0755);
return status;
} else {
return status;
}
}
if (!S_ISDIR(buf.st_mode)) {
return -1;
}
return 0;
}
/* ================================================== */
/* Return 0 if the directory couldn't be created, 1 if it could (or
already existed) */
int
mkdir_and_parents(const char *path)
{
char *p;
int len;
int i, j, k, last;
len = strlen(path);
p = (char *)Malloc(1 + len);
i = k = 0;
while (1) {
p[i++] = path[k++];
if (path[k] == '/' || !path[k]) {
p[i] = 0;
if (do_dir(p) < 0) {
Free(p);
return 0;
}
if (!path[k]) {
/* End of the string */
break;
}
/* check whether its a trailing / or group of / */
last = 1;
j = k+1;
while (path[j]) {
if (path[j] != '/') {
k = j - 1; /* Pick up a / into p[] thru the assignment at the top of the loop */
last = 0;
break;
}
j++;
}
if (last) {
break;
}
}
if (!path[k]) break;
}
Free(p);
return 1;
}
/* ================================================== */
#if defined(TEST)
int main(int argc, char **argv) {
if (argc > 1) {
/* Invert sense of result */
return mkdir_and_parents(argv[1]) ? 0 : 1;
} else {
return 1;
}
}
#endif
|
