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authorJon Ringle <jon@ringle.org>2010-03-23 11:16:12 -0400
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2010-04-08 11:28:20 +0300
commit90184ffb43dfc0e8071d7bb4c33095fea47e541e (patch)
treeb12b6cf7cbf99e2706b2434ae4748427804cd19a /ubi-utils
parent4f8c7a0e925c904b37f590b2513824c6d6bba85f (diff)
ubinfo: add -N option to get info by name of ubi volume
Signed-off-by: Jon Ringle <jon@ringle.org> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'ubi-utils')
-rw-r--r--ubi-utils/src/ubinfo.c28
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");