[LTP] [PATCH v3 4/4] tst_run_shell.c: Add new function handle new needs_cmds

[Wei Gao]

Signed-off-by: Wei Gao <wegao@suse.com>
---
 testcases/lib/tst_run_shell.c | 61 ++++++++++++++++++++++++++++++++++-
 1 file changed, 60 insertions(+), 1 deletion(-)

diff --git a/testcases/lib/tst_run_shell.c b/testcases/lib/tst_run_shell.c
index 7a446e004..a6e0d1d29 100644
--- a/testcases/lib/tst_run_shell.c
+++ b/testcases/lib/tst_run_shell.c
@@ -175,6 +175,23 @@ static ujson_obj fs_obj = {
 	.attr_cnt = UJSON_ARRAY_SIZE(fs_attrs),
 };
 
+enum cmd_ids {
+	CMD,
+	OPTIONAL,
+	PRESENT,
+};
+
+static ujson_obj_attr cmd_attrs[] = {
+	UJSON_OBJ_ATTR_IDX(CMD, "cmd", UJSON_STR),
+	UJSON_OBJ_ATTR_IDX(OPTIONAL, "optional", UJSON_INT),
+	UJSON_OBJ_ATTR_IDX(PRESENT, "present", UJSON_INT),
+};
+
+static ujson_obj cmd_obj = {
+	.attrs = cmd_attrs,
+	.attr_cnt = UJSON_ARRAY_SIZE(cmd_attrs),
+};
+
 static int parse_mnt_flags(ujson_reader *reader, ujson_val *val)
 {
 	int ret = 0;
@@ -252,6 +269,48 @@ static struct tst_fs *parse_filesystems(ujson_reader *reader, ujson_val *val)
 	return ret;
 }
 
+static struct tst_cmd *parse_cmds(ujson_reader *reader, ujson_val *val)
+{
+	unsigned int i = 0, cnt = 0;
+	struct tst_cmd *ret;
+
+	ujson_reader_state state = ujson_reader_state_save(reader);
+
+	UJSON_ARR_FOREACH(reader, val) {
+		if (val->type != UJSON_ARR) {
+			ujson_err(reader, "Expected array!");
+			return NULL;
+		}
+		ujson_arr_skip(reader);
+		cnt++;
+	}
+
+	ujson_reader_state_load(reader, state);
+
+	ret = SAFE_MALLOC(sizeof(struct tst_cmd) * (cnt + 1));
+	memset(&ret[cnt], 0, sizeof(ret[cnt]));
+
+	UJSON_ARR_FOREACH(reader, val) {
+		UJSON_OBJ_FOREACH_FILTER(reader, val, &cmd_obj, ujson_empty_obj) {
+			switch ((enum cmd_ids)val->idx) {
+			case CMD:
+				ret[i].cmd = strdup(val->val_str);
+			break;
+			case OPTIONAL:
+				ret[i].optional = val->val_int;
+			break;
+			case MKFS_VER:
+				ret[i].present = val->val_int;
+			break;
+			}
+		}
+
+		i++;
+	}
+
+	return ret;
+}
+
 static struct tst_tag *parse_tags(ujson_reader *reader, ujson_val *val)
 {
 	unsigned int i = 0, cnt = 0;
@@ -440,7 +499,7 @@ static void parse_metadata(void)
 				ujson_err(&reader, "ABI bits must be 32 or 64");
 		break;
 		case NEEDS_CMDS:
-			test.needs_cmds = parse_strarr(&reader, &val);
+			test.needs_cmds = parse_cmds(&reader, &val);
 		break;
 		case NEEDS_DEVFS:
 			test.needs_devfs = val.val_bool;
-- 
2.51.0