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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
// SPDX-License-Identifier: CDDL-1.0
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#ifdef __linux__
#include <sys/xattr.h>
#endif
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/param.h>
#define TYPE_D 'D'
#define TYPE_F 'F'
static char fdname[MAXPATHLEN] = {0};
static char *pbasedir = NULL;
static int nlevel = 2;
static int ndir = 2;
static int nfile = 2;
static void usage(char *this);
static void crtfile(char *pname);
static char *getfdname(char *pdir, char type, int level, int dir, int file);
static int mktree(char *pbasedir, int level);
int
main(int argc, char *argv[])
{
int c, ret;
while ((c = getopt(argc, argv, "b:l:d:f:")) != -1) {
switch (c) {
case 'b':
pbasedir = optarg;
break;
case 'l':
nlevel = atoi(optarg);
break;
case 'd':
ndir = atoi(optarg);
break;
case 'f':
nfile = atoi(optarg);
break;
case '?':
usage(argv[0]);
}
}
if (nlevel < 0 || ndir < 0 || nfile < 0 || pbasedir == NULL) {
usage(argv[0]);
}
ret = mktree(pbasedir, 1);
return (ret);
}
static void
usage(char *this)
{
(void) fprintf(stderr,
"\tUsage: %s -b <base_dir> -l [nlevel] -d [ndir] -f [nfile]\n",
this);
exit(1);
}
static int
mktree(char *pdir, int level)
{
int d, f;
char dname[MAXPATHLEN] = {0};
char fname[MAXPATHLEN] = {0};
if (level > nlevel) {
return (1);
}
for (d = 0; d < ndir; d++) {
(void) memset(dname, '\0', sizeof (dname));
(void) strcpy(dname, getfdname(pdir, TYPE_D, level, d, 0));
if (mkdir(dname, 0777) != 0) {
(void) fprintf(stderr, "mkdir(%s) failed."
"\n[%d]: %s.\n",
dname, errno, strerror(errno));
exit(errno);
}
/*
* No sub-directory need be created, only create files in it.
*/
if (mktree(dname, level+1) != 0) {
for (f = 0; f < nfile; f++) {
(void) memset(fname, '\0', sizeof (fname));
(void) strcpy(fname,
getfdname(dname, TYPE_F, level+1, d, f));
crtfile(fname);
}
}
}
for (f = 0; f < nfile; f++) {
(void) memset(fname, '\0', sizeof (fname));
(void) strcpy(fname, getfdname(pdir, TYPE_F, level, d, f));
crtfile(fname);
}
return (0);
}
static char *
getfdname(char *pdir, char type, int level, int dir, int file)
{
size_t size = sizeof (fdname);
if (snprintf(fdname, size, "%s/%c-l%dd%df%d", pdir, type, level, dir,
file) >= size) {
(void) fprintf(stderr, "fdname truncated\n");
exit(EINVAL);
}
return (fdname);
}
static void
crtfile(char *pname)
{
int fd = -1;
int i, size;
const char *context = "0123456789ABCDF";
char *pbuf;
if (pname == NULL) {
exit(1);
}
size = sizeof (char) * 1024;
pbuf = (char *)valloc(size);
for (i = 0; i < size / strlen(context); i++) {
int offset = i * strlen(context);
(void) snprintf(pbuf+offset, size-offset, "%s", context);
}
if ((fd = open(pname, O_CREAT|O_RDWR, 0777)) < 0) {
(void) fprintf(stderr, "open(%s, O_CREAT|O_RDWR, 0777) failed."
"\n[%d]: %s.\n", pname, errno, strerror(errno));
exit(errno);
}
if (write(fd, pbuf, 1024) < 1024) {
(void) fprintf(stderr, "write(fd, pbuf, 1024) failed."
"\n[%d]: %s.\n", errno, strerror(errno));
exit(errno);
}
#ifdef __linux__
if (fsetxattr(fd, "user.xattr", pbuf, 1024, 0) < 0) {
(void) fprintf(stderr, "fsetxattr(fd, \"xattr\", pbuf, "
"1024, 0) failed.\n[%d]: %s.\n", errno, strerror(errno));
exit(errno);
}
#endif
(void) close(fd);
free(pbuf);
}
|
