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/*
* Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska H�gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
#include <err.h>
#include <roken.h>
#ifdef RCSID
RCSID("$KTH: large-dir3.c,v 1.3 2000/10/03 00:34:42 lha Exp $");
#endif
static int
creat_files (const char *dirname, int count)
{
struct stat sb;
int i;
DIR *d;
struct dirent *dp;
if (mkdir (dirname, 0777) < 0)
err (1, "mkdir %s", dirname);
if (chdir (dirname) < 0)
err (1, "chdir %s", dirname);
if (stat (".", &sb) < 0)
err (1, "stat .");
for (i = 0; i < count; ++i) {
char num[17];
int fd;
snprintf (num, sizeof(num), "%d", i);
fd = open (num, O_CREAT | O_EXCL, 0777);
if (fd < 0)
err (1, "open %s", num);
if (close (fd) < 0)
err (1, "close %s", num);
}
if (stat (".", &sb) < 0)
err (1, "stat .");
d = opendir (".");
if (d == NULL)
err (1, "opendir .");
while ((dp = readdir (d)) != NULL) {
if (strcmp (dp->d_name, ".") == 0
|| strcmp (dp->d_name, "..") == 0)
continue;
if (unlink (dp->d_name) < 0)
err (1, "unlink %s", dp->d_name);
}
closedir (d);
if (chdir ("..") < 0)
err (1, "chdir ..");
if (rmdir (dirname) < 0)
err (1, "rmdir");
return 0;
}
static void
usage (int ret)
{
fprintf (stderr, "%s directory number-of-files\n", __progname);
exit (ret);
}
int
main(int argc, char **argv)
{
char *ptr;
int count;
set_progname (argv[0]);
if (argc != 3)
usage (1);
count = strtol (argv[2], &ptr, 0);
if (count == 0 && ptr == argv[2])
errx (1, "'%s' not a number", argv[2]);
return creat_files (argv[1], count);
}
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