/*      $OpenBSD: utils.c,v 1.2 2017/07/27 15:08:37 bluhm Exp $ */

/*      Written by Otto Moerbeek, 2006,  Public domain. */

#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <err.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

#include "utils.h"

void
createfiles(int nfiles)
{
        int i, fd;
        char file[PATH_MAX];

        mkdir("d", 0755);
        for (i = 0; i < nfiles; i++) {
                snprintf(file, sizeof file, "d/%d", i);
                if ((fd = open(file, O_CREAT | O_WRONLY, 0600)) == -1)
                        err(1, "open %s", file);
                close(fd);
        }
}

void
delfiles(void)
{
        DIR *dp;
        struct dirent *f;
        char file[PATH_MAX];

        dp = opendir("d");
        if (dp == NULL)
                err(1, "opendir");
        while ((f = readdir(dp))) {
                if (strcmp(f->d_name, ".") == 0 ||
                    strcmp(f->d_name, "..") == 0)
                        continue;
                snprintf(file, sizeof file, "d/%s", f->d_name);
                if (unlink(file) == -1)
                        err(1, "unlink %s", f->d_name);
        }
        closedir(dp);
        if (rmdir("d") == -1)
                err(1, "rmdir");
}