proot/test/chroot.c

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#include <stdlib.h>
#include <unistd.h>
int main(int argc, char **argv)
{
if (argc < 2)
exit(1);
if (chroot(argv[1]))
exit(1);
if (argc >= 3)
execvp(argv[2], &argv[2]);
else
execlp("sh", "sh", NULL);
/* unreachable */
return 1;
}