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| author | Sven Eisenberg | 2016-04-03 21:53:12 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2016-04-03 22:01:43 +0200 |
| commit | b068cf2a7e036da8d0b3533b41886c5605c8139d (patch) | |
| tree | 0c29bccfabd054c5cafc5dd68e9d161d70bf1286 /miscutils/ubi_tools.c | |
| parent | cb9264099822505dc2930cfea0b1f9027a02dc06 (diff) | |
| download | busybox-b068cf2a7e036da8d0b3533b41886c5605c8139d.zip busybox-b068cf2a7e036da8d0b3533b41886c5605c8139d.tar.gz | |
ubirmvol: Implement -N switch for ubirmvol
function old new delta
get_volid_by_name - 125 +125
ubi_devnum_from_devname - 43 +43
ubi_tools_main 1215 1220 +5
packed_usage 30674 30655 -19
ubirename_main 394 221 -173
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 1/2 up/down: 173/-192) Total: -19 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/ubi_tools.c')
| -rw-r--r-- | miscutils/ubi_tools.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/miscutils/ubi_tools.c b/miscutils/ubi_tools.c index dd1bda3..ac0c56d 100644 --- a/miscutils/ubi_tools.c +++ b/miscutils/ubi_tools.c @@ -195,7 +195,7 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv) } else //usage:#define ubimkvol_trivial_usage -//usage: "UBI_DEVICE -N NAME [-s SIZE | -m]" +//usage: "-N NAME [-s SIZE | -m] UBI_DEVICE" //usage:#define ubimkvol_full_usage "\n\n" //usage: "Create UBI volume\n" //usage: "\n -a ALIGNMENT Volume alignment (default 1)" @@ -212,9 +212,7 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv) unsigned num; char *p; - if (sscanf(ubi_ctrl, "/dev/ubi%u", &num) != 1) - bb_error_msg_and_die("wrong format of UBI device name"); - + num = ubi_devnum_from_devname(ubi_ctrl); p = path_sys_class_ubi_ubi + sprintf(path_sys_class_ubi_ubi, "%u/", num); strcpy(p, "avail_eraseblocks"); @@ -248,20 +246,31 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv) } else //usage:#define ubirmvol_trivial_usage -//usage: "UBI_DEVICE -n VOLID" +//usage: "-n VOLID / -N VOLNAME UBI_DEVICE" //usage:#define ubirmvol_full_usage "\n\n" //usage: "Remove UBI volume\n" //usage: "\n -n VOLID Volume ID" +//usage: "\n -N VOLNAME Volume name" if (do_rmvol) { - if (!(opts & OPTION_n)) + if (!(opts & (OPTION_n|OPTION_N))) bb_error_msg_and_die("volume id not specified"); - /* FIXME? kernel expects int32_t* here: */ - xioctl(fd, UBI_IOCRMVOL, &vol_id); + if (opts & OPTION_N) { + unsigned num = ubi_devnum_from_devname(ubi_ctrl); + vol_id = get_volid_by_name(num, vol_name); + } + + if (sizeof(vol_id) != 4) { + /* kernel expects int32_t* in this ioctl */ + int32_t t = vol_id; + xioctl(fd, UBI_IOCRMVOL, &t); + } else { + xioctl(fd, UBI_IOCRMVOL, &vol_id); + } } else //usage:#define ubirsvol_trivial_usage -//usage: "UBI_DEVICE -n VOLID -s SIZE" +//usage: "-n VOLID -s SIZE UBI_DEVICE" //usage:#define ubirsvol_full_usage "\n\n" //usage: "Resize UBI volume\n" //usage: "\n -n VOLID Volume ID" @@ -279,7 +288,7 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv) } else //usage:#define ubiupdatevol_trivial_usage -//usage: "UBI_DEVICE [-t | [-s SIZE] IMG_FILE]" +//usage: "[-t | [-s SIZE] IMG_FILE] UBI_DEVICE" //usage:#define ubiupdatevol_full_usage "\n\n" //usage: "Update UBI volume\n" //usage: "\n -t Truncate to zero size" |