diff options
Diffstat (limited to 'ubi-utils/src/ubinfo.c')
| -rw-r--r-- | ubi-utils/src/ubinfo.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/ubi-utils/src/ubinfo.c b/ubi-utils/src/ubinfo.c index 8c5a1a9..8f84382 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 @@ -54,6 +56,7 @@ static const char *doc = PROGRAM_NAME " version " PROGRAM_VERSION static const char *optionsstr = "-d, --devn=<UBI device number> UBI device number to get information about\n" "-n, --vol_id=<volume ID> ID of UBI volume to print information about\n" +"-N, --name=<volume name> name of UBI volume to print information about\n" "-a, --all print information about all devices and volumes,\n" " or about all volumes if the UBI device was\n" " specified\n" @@ -61,8 +64,8 @@ static const char *optionsstr = "-V, --version print program version"; static const char *usage = -"Usage 1: " PROGRAM_NAME " [-d <UBI device number>] [-n <volume ID>] [-a] [-h] [-V] [--vol_id=<volume ID>]\n" -"\t\t[--devn <UBI device number>] [--all] [--help] [--version]\n" +"Usage 1: " PROGRAM_NAME " [-d <UBI device number>] [-n <volume ID> | -N <volume name>] [-a] [-h] [-V]\n" +"\t\t[--vol_id=<volume ID> | --name <volume name>] [--devn <UBI device number>] [--all] [--help] [--version]\n" "Usage 2: " PROGRAM_NAME " <UBI device node file name> [-a] [-h] [-V] [--all] [--help] [--version]\n" "Usage 3: " PROGRAM_NAME " <UBI volume node file name> [-h] [-V] [--help] [--version]\n\n" "Example 1: " PROGRAM_NAME " - (no arguments) print general UBI information\n" @@ -75,6 +78,7 @@ static const char *usage = static const struct option long_options[] = { { .name = "devn", .has_arg = 1, .flag = NULL, .val = 'd' }, { .name = "vol_id", .has_arg = 1, .flag = NULL, .val = 'n' }, + { .name = "name", .has_arg = 1, .flag = NULL, .val = 'N' }, { .name = "all", .has_arg = 0, .flag = NULL, .val = 'a' }, { .name = "help", .has_arg = 0, .flag = NULL, .val = 'h' }, { .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' }, @@ -87,7 +91,7 @@ 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 +106,10 @@ 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 +182,20 @@ 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 +399,12 @@ 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"); |