files.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Tue, 19 May 2009 02:58:59 +0200
changeset 93 66b3596f71b6
parent 77 49e0babccb23
child 131 b5ad49852adc
permissions -rw-r--r--
make cross_getch invisible the cross_getch function will be called from the JNI Wrapper and must not be visible to others committer: Markus Bröker <mbroeker@largo.homelinux.org>
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/**
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 * files.c
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 * Copyright (C) 2008 Markus Broeker
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <time.h>
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#define  MAXDIRS 1000
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#define MAXFILES 1000
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829976007e62 getrandom macro fixed
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#define GETRANDOM(max) (1+(int)((float)(max)*rand()/RAND_MAX+1.0))
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char *GetRandomNumberString ()
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{
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    static char buffer[12];
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    sprintf (buffer, "%d", GETRANDOM (65535));
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    return buffer;
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}
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int main (int argc, char **argv)
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{
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    int i, j;
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    int fd;
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    char *s;
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    if (argc != 2) {
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        printf ("Usage: %s <basedir>\n", argv[0]);
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        return EXIT_FAILURE;
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    }
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    if (chdir (argv[1]) == -1) {
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        printf ("Initial Chdir to %s failed, aborting...\n", argv[1]);
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        return EXIT_FAILURE;
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    }
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    srand (time (NULL));
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    for (i = 0; i < MAXDIRS; i++) {
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        s = GetRandomNumberString ();
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        mkdir (s, 0777);
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        if (chdir (s) == -1) {
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            printf ("Chdir to %s failed, aborting\n", s);
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            return EXIT_FAILURE;
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        }
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        for (j = 0; j < MAXFILES; j++) {
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            s = GetRandomNumberString ();
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            if ((fd = open (s, O_RDWR | O_CREAT, 0666)) < 3) {
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                perror ("CREATE");
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                return EXIT_FAILURE;
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            }
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            close (fd);
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        }
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        chdir ("..");
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    }
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    return EXIT_SUCCESS;
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}