Return buffer in duration.toString

2019-09-27 02:59:49 -05:00
parent dc65788511
commit d683f98019
5 changed files with 12 additions and 24 deletions
--- a/Marlin/src/libs/duration_t.h
+++ b/Marlin/src/libs/duration_t.h
@@ -120,7 +120,7 @@ struct duration_t {
   *  59m 59s
   *  59s
   */
-  void toString(char *buffer) const {
+  char* toString(char * const buffer) const {
    int y = this->year(),
        d = this->day() % 365,
        h = this->hour() % 24,
@@ -132,6 +132,7 @@ struct duration_t {
    else if (h) sprintf_P(buffer, PSTR("%ih %im %is"), h, m, s);
    else if (m) sprintf_P(buffer, PSTR("%im %is"), m, s);
    else sprintf_P(buffer, PSTR("%is"), s);
+    return buffer;
  }

  /**