sparkline.c: mov label-ini into the AddSample Function

1 files changed, 2 insertions, 1 deletions

diff --git a/src/sparkline.c b/src/sparkline.c
index 900f26ab7..3355a598c 100644
--- a/src/sparkline.c
+++ b/src/sparkline.c
@@ -49,7 +49,7 @@ static int label_margin_top = 1;
  * sparklineSequenceAddSample(seq, 10, NULL);
  * sparklineSequenceAddSample(seq, 20, NULL);
  * sparklineSequenceAddSample(seq, 30, "last sample label");
- * sds output = sparklineRender(seq, 80, 4);
+ * sds output = sparklineRender(sdsempty(), seq, 80, 4, SPARKLINE_FILL);
  * freeSparklineSequence(seq);
  * ------------------------------------------------------------------------- */
 
@@ -63,6 +63,7 @@ struct sequence *createSparklineSequence(void) {
 
 /* Add a new sample into a sequence. */
 void sparklineSequenceAddSample(struct sequence *seq, double value, char *label) {
+    label = label == NULL ? label : zstrdup(label);
     if (seq->length == 0) {
         seq->min = seq->max = value;
     } else {