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-rw-r--r--NK_C_API.cc4
-rw-r--r--NK_C_API.h3
2 files changed, 4 insertions, 3 deletions
diff --git a/NK_C_API.cc b/NK_C_API.cc
index 7d0a10e..aa2d452 100644
--- a/NK_C_API.cc
+++ b/NK_C_API.cc
@@ -697,9 +697,9 @@ NK_C_API char* NK_get_SD_usage_data_as_string() {
NK_C_API int NK_get_progress_bar_value() {
auto m = NitrokeyManager::instance();
- return get_with_result([&]() {
+ return std::get<1>(get_with_status([&]() {
return m->get_progress_bar_value();
- });
+ }, -2));
}
NK_C_API int NK_get_major_firmware_version() {
diff --git a/NK_C_API.h b/NK_C_API.h
index b1bdf1e..43e5631 100644
--- a/NK_C_API.h
+++ b/NK_C_API.h
@@ -747,7 +747,8 @@ extern "C" {
/**
* Get progress value of current long operation.
* Storage only
- * @return int in range 0-100 or -1 if device is not busy
+ * @return int in range 0-100 or -1 if device is not busy or -2 if an
+ * error occured
*/
NK_C_API int NK_get_progress_bar_value();