Chip 1995 March/CHIP3.mdf/slackwar/a/util/util-lin.2/util-lin/util-linux-2.2/sys-utils/chroot.c

C/C++ Source or Header | 1995-02-22 | 455 b | 26 lines

/*
 * chroot.c -- change root directory and execute a command there
 * Rick Sladkey <[e-mail]>
 * In the public domain.
 */

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
    if (argc < 3) {
        fprintf(stderr, "usage: %s directory program [arg ...]\n",
            argv[0]);
        exit(1);
    }
    if (chroot(argv[1]) < 0) {
        perror("chroot");
        exit(1);
    }
    execvp(argv[2], argv + 2);
    perror("execvp");
    exit(1);
}