diff options
Diffstat (limited to 'sys-utils')
| -rw-r--r-- | sys-utils/pivot_root.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/sys-utils/pivot_root.c b/sys-utils/pivot_root.c index ba2dbbed..f2a6f483 100644 --- a/sys-utils/pivot_root.c +++ b/sys-utils/pivot_root.c @@ -1,30 +1,31 @@ -/* pivot_root.c - Change the root file system */ - -/* Written 2000 by Werner Almesberger */ - +/* + * pivot_root.c - Change the root file system + * + * Copyright (C) 2000 Werner Almesberger + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ #include <stdio.h> #include <sys/syscall.h> #include <unistd.h> #define pivot_root(new_root,put_old) syscall(SYS_pivot_root,new_root,put_old) -#if 0 -/* - * With kernelheaders 2.3.41 or later, and ancient libc, try the following. - */ -#include <errno.h> -#include <linux/unistd.h> -static -_syscall2(int,pivot_root,const char *,new_root,const char *,put_old) -#endif - int main(int argc, const char **argv) { if (argc != 3) { fprintf(stderr, "usage: %s new_root put_old\n", argv[0]); return 1; } - if (pivot_root(argv[1],argv[2]) < 0) { + if (pivot_root(argv[1], argv[2]) < 0) { perror("pivot_root"); return 1; } |