diff options
Diffstat (limited to 'ubi-utils')
| -rw-r--r-- | ubi-utils/src/ubinfo.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/ubi-utils/src/ubinfo.c b/ubi-utils/src/ubinfo.c index 8c5a1a9..cd011c5 100644 --- a/ubi-utils/src/ubinfo.c +++ b/ubi-utils/src/ubinfo.c @@ -39,6 +39,7 @@ struct args { int vol_id; int all; const char *node; + const char *vol_name; }; static struct args args = { @@ -46,6 +47,7 @@ static struct args args = { .devn = -1, .all = 0, .node = NULL, + .vol_name = NULL, }; static const char *doc = PROGRAM_NAME " version " PROGRAM_VERSION @@ -87,7 +89,7 @@ static int parse_opt(int argc, char * const argv[]) int key; char *endp; - key = getopt_long(argc, argv, "an:d:hV", long_options, NULL); + key = getopt_long(argc, argv, "an:N:d:hV", long_options, NULL); if (key == -1) break; @@ -102,6 +104,10 @@ static int parse_opt(int argc, char * const argv[]) return errmsg("bad volume ID: " "\"%s\"", optarg); break; + case 'N': + args.vol_name = optarg; + break; + case 'd': args.devn = strtoul(optarg, &endp, 0); if (*endp != '\0' || endp == optarg || args.devn < 0) @@ -174,6 +180,20 @@ static int translate_dev(libubi_t libubi, const char *node) return 0; } +static int get_vol_id_by_name(libubi_t libubi, int dev_num, const char *name) +{ + int err; + struct ubi_vol_info vol_info; + + err = ubi_get_vol_info1_nm(libubi, dev_num, name, &vol_info); + if (err) + return sys_errmsg("cannot get information about volume \"%s\" on ubi%d\n", name, dev_num); + + args.vol_id = vol_info.vol_id; + + return 0; +} + static int print_vol_info(libubi_t libubi, int dev_num, int vol_id) { int err; @@ -377,6 +397,12 @@ int main(int argc, char * const argv[]) goto out_libubi; } + if (args.vol_name) { + err = get_vol_id_by_name(libubi, args.devn, args.vol_name); + if (err) + goto out_libubi; + } + if (args.vol_id != -1 && args.devn == -1) { errmsg("volume ID is specified, but UBI device number is not " "(use -h for help)\n"); |