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/*
* 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);
}
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