not return 1 if input is empty

sp-nitech · Dec 13, 2023 · 27554d8 · 27554d8
1 parent d837ec8
commit 27554d8
Showing 1 changed file with 11 additions and 6 deletions.
diff --git a/src/main/minmax.cc b/src/main/minmax.cc
@@ -343,6 +343,7 @@ int main(int argc, char* argv[]) {
     }
   } else if (kFindValueFromVectorSequenceForEachDimension ==
              way_to_find_value) {
+    bool empty(true);
     while (sptk::ReadStream(false, 0, 0, vector_length, &data, &input_stream,
                             NULL)) {
       for (int vector_index(0); vector_index < vector_length; ++vector_index) {
@@ -353,14 +354,18 @@ int main(int argc, char* argv[]) {
           sptk::PrintErrorMessage("minmax", error_message);
           return 1;
         }
+        if (empty) empty = false;
       }
     }
-    if (!WriteMinMaxValues(minmax_accumulation, buffer, num_best, output_format,
-                           output_stream_pointer)) {
-      std::ostringstream error_message;
-      error_message << "Failed to write values";
-      sptk::PrintErrorMessage("minmax", error_message);
-      return 1;
+    // Write value if at least one data is given.
+    if (!empty) {
+      if (!WriteMinMaxValues(minmax_accumulation, buffer, num_best,
+                             output_format, output_stream_pointer)) {
+        std::ostringstream error_message;
+        error_message << "Failed to write values";
+        sptk::PrintErrorMessage("minmax", error_message);
+        return 1;
+      }
     }
   }