diff options
Diffstat (limited to 'util-linux/pivot_root.c')
-rw-r--r-- | util-linux/pivot_root.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/util-linux/pivot_root.c b/util-linux/pivot_root.c new file mode 100644 index 0000000..28af00c --- /dev/null +++ b/util-linux/pivot_root.c @@ -0,0 +1,27 @@ +/* vi: set sw=4 ts=4: */ +/* + * pivot_root.c - Change root file system. Based on util-linux 2.10s + * + * busyboxed by Evin Robertson + * pivot_root syscall stubbed by Erik Andersen, so it will compile + * regardless of the kernel being used. + * + * Licensed under GPL version 2, see file LICENSE in this tarball for details. + */ +#include "libbb.h" + +extern int pivot_root(const char * new_root,const char * put_old); + +int pivot_root_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int pivot_root_main(int argc, char **argv) +{ + if (argc != 3) + bb_show_usage(); + + if (pivot_root(argv[1], argv[2]) < 0) { + /* prints "pivot_root: <strerror text>" */ + bb_perror_nomsg_and_die(); + } + + return EXIT_SUCCESS; +} |