report: add report_get_field_prefix function

2 files changed, 16 insertions, 0 deletions

diff --git a/lib/report/report.c b/lib/report/report.c
index dea66eee3..911c96eff 100644
--- a/lib/report/report.c
+++ b/lib/report/report.c
@@ -3396,6 +3396,21 @@ void *report_init_for_selection(struct cmd_context *cmd,
 					     cmd);
 }
 
+const char *report_get_field_prefix(report_type_t report_type_id)
+{
+	const struct dm_report_object_type *report_types, *report_type;
+
+	report_types = report_type_id & DEVTYPES ? _devtypes_report_types
+						 : _report_types;
+
+	for (report_type = report_types; report_type->id; report_type++) {
+		if (report_type_id & report_type->id)
+			return report_type->prefix;
+	}
+
+	return "";
+}
+
 /*
  * Create a row of data for an object
  */
diff --git a/lib/report/report.h b/lib/report/report.h
index 84c5f91d1..6c8b02634 100644
--- a/lib/report/report.h
+++ b/lib/report/report.h
@@ -71,6 +71,7 @@ void *report_init(struct cmd_context *cmd, const char *format, const char *keys,
 		  int quoted, int columns_as_rows, const char *selection);
 void *report_init_for_selection(struct cmd_context *cmd, report_type_t *report_type,
 				const char *selection);
+const char *report_get_field_prefix(report_type_t report_type);
 int report_for_selection(struct cmd_context *cmd,
 			 struct selection_handle *sh,
 			 struct physical_volume *pv,