Add Redis source code for testing

1 files changed, 39 insertions, 0 deletions

diff --git a/examples/redis-unstable/src/sparkline.h b/examples/redis-unstable/src/sparkline.h
new file mode 100644
index 0000000..7769fdb
--- /dev/null
+++ b/examples/redis-unstable/src/sparkline.h
@@ -0,0 +1,39 @@
+/* sparkline.h -- ASCII Sparklines header file
+ *
+ * ---------------------------------------------------------------------------
+ *
+ * Copyright (c) 2011-Present, Redis Ltd.
+ * All rights reserved.
+ *
+ * Licensed under your choice of (a) the Redis Source Available License 2.0
+ * (RSALv2); or (b) the Server Side Public License v1 (SSPLv1); or (c) the
+ * GNU Affero General Public License v3 (AGPLv3).
+ */
+
+#ifndef __SPARKLINE_H
+#define __SPARKLINE_H
+
+/* A sequence is represented of many "samples" */
+struct sample {
+    double value;
+    char *label;
+};
+
+struct sequence {
+    int length;
+    int labels;
+    struct sample *samples;
+    double min, max;
+};
+
+#define SPARKLINE_NO_FLAGS 0
+#define SPARKLINE_FILL 1      /* Fill the area under the curve. */
+#define SPARKLINE_LOG_SCALE 2 /* Use logarithmic scale. */
+
+struct sequence *createSparklineSequence(void);
+void sparklineSequenceAddSample(struct sequence *seq, double value, char *label);
+void freeSparklineSequence(struct sequence *seq);
+sds sparklineRenderRange(sds output, struct sequence *seq, int rows, int offset, int len, int flags);
+sds sparklineRender(sds output, struct sequence *seq, int columns, int rows, int flags);
+
+#endif /* __SPARKLINE_H */