3324c9633
Baruch Siach
2010-06-16
Subject
ubiattach,ubidetach: new applets
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miscutils/ubi_attach_detach.c+88 -0
| @@ -0,0 +1,88 @@ | |
| + | /* Ported to busybox from mtd-utils. |
| + | * |
| + | * Licensed under GPLv2, see file LICENSE in this tarball for details. |
| + | */ |
| + | |
| + | //applet:IF_UBIATTACH(APPLET_ODDNAME(ubiattach, ubi_attach_detach, _BB_DIR_USR_SBIN, _BB_SUID_DROP, ubiattach)) |
| + | //applet:IF_UBIDETACH(APPLET_ODDNAME(ubidetach, ubi_attach_detach, _BB_DIR_USR_SBIN, _BB_SUID_DROP, ubidetach)) |
| + | |
| + | //kbuild:lib-$(CONFIG_UBIATTACH) += ubi_attach_detach.o |
| + | //kbuild:lib-$(CONFIG_UBIDETACH) += ubi_attach_detach.o |
| + | |
| + | //config:config UBIATTACH |
| + | //config: bool "ubiattach" |
| + | //config: default n |
| + | //config: help |
| + | //config: Attach MTD device to an UBI device. |
| + | //config: |
| + | //config:config UBIDETACH |
| + | //config: bool "ubidetach" |
| + | //config: default n |
| + | //config: help |
| + | //config: Detach MTD device from an UBI device. |
| + | |
| + | #include "libbb.h" |
| + | #include <mtd/ubi-user.h> |
| + | |
| + | #define OPTION_M (1 << 0) |
| + | #define OPTION_D (1 << 1) |
| + | |
| + | #define do_attach (ENABLE_UBIATTACH && \ |
| + | (!ENABLE_UBIDETACH || (applet_name[3] == 'a'))) |
| + | |
| + | //usage:#define ubiattach_trivial_usage |
| + | //usage: "-m MTD_NUM [-d UBI_NUM] UBI_CTRL_DEV" |
| + | //usage:#define ubiattach_full_usage "\n\n" |
| + | //usage: "Attach MTD device to UBI\n" |
| + | //usage: "\nOptions:" |
| + | //usage: "\n -m MTD_NUM MTD device number to attach" |
| + | //usage: "\n -d UBI_NUM UBI device number to assign" |
| + | //usage: |
| + | //usage:#define ubidetach_trivial_usage |
| + | //usage: "-d UBI_NUM UBI_CTRL_DEV" |
| + | //usage:#define ubidetach_full_usage "\n\n" |
| + | //usage: "Detach MTD device from UBI\n" |
| + | //usage: "\nOptions:" |
| + | //usage: "\n -d UBI_NUM UBI device number" |
| + | |
| + | int ubi_attach_detach_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
| + | int ubi_attach_detach_main(int argc UNUSED_PARAM, char **argv) |
| + | { |
| + | unsigned opts; |
| + | char *ubi_ctrl; |
| + | //struct stat st; |
| + | struct ubi_attach_req req; |
| + | int fd; |
| + | int mtd_num; |
| + | int dev_num = UBI_DEV_NUM_AUTO; |
| + | |
| + | opt_complementary = "=1:m+:d+"; |
| + | opts = getopt32(argv, "m:d:", &mtd_num, &dev_num); |
| + | ubi_ctrl = argv[optind]; |
| + | |
| + | fd = xopen(ubi_ctrl, O_RDWR); |
| + | //fstat(fd, &st); |
| + | //if (!S_ISCHR(st.st_mode)) |
| + | // bb_error_msg_and_die("'%s' is not a char device", ubi_ctrl); |
| + | |
| + | if (do_attach) { |
| + | if (!(opts & OPTION_M)) |
| + | bb_error_msg_and_die("%s device not specified", "MTD"); |
| + | |
| + | memset(&req, 0, sizeof(req)); |
| + | req.mtd_num = mtd_num; |
| + | req.ubi_num = dev_num; |
| + | |
| + | xioctl(fd, UBI_IOCATT, &req); |
| + | } else { /* detach */ |
| + | if (!(opts & OPTION_D)) |
| + | bb_error_msg_and_die("%s device not specified", "UBI"); |
| + | |
| + | xioctl(fd, UBI_IOCDET, &dev_num); |
| + | } |
| + | |
| + | if (ENABLE_FEATURE_CLEAN_UP) |
| + | close(fd); |
| + | |
| + | return EXIT_SUCCESS; |
| + | } |