Merging upstream version 1.11.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/web/api/formatters/ssv/ssv.c b/web/api/formatters/ssv/ssv.c
new file mode 100644
index 000000000..eeba0283d
--- /dev/null
+++ b/web/api/formatters/ssv/ssv.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ssv.h"
+
+void rrdr2ssv(RRDR *r, BUFFER *wb, RRDR_OPTIONS options, const char *prefix, const char *separator, const char *suffix) {
+    //info("RRD2SSV(): %s: BEGIN", r->st->id);
+    long i;
+
+    buffer_strcat(wb, prefix);
+    long start = 0, end = rrdr_rows(r), step = 1;
+    if(!(options & RRDR_OPTION_REVERSED)) {
+        start = rrdr_rows(r) - 1;
+        end = -1;
+        step = -1;
+    }
+
+    // for each line in the array
+    for(i = start; i != end ;i += step) {
+        int all_values_are_null = 0;
+        calculated_number v = rrdr2value(r, i, options, &all_values_are_null);
+
+        if(likely(i != start)) {
+            if(r->min > v) r->min = v;
+            if(r->max < v) r->max = v;
+        }
+        else {
+            r->min = v;
+            r->max = v;
+        }
+
+        if(likely(i != start))
+            buffer_strcat(wb, separator);
+
+        if(all_values_are_null) {
+            if(options & RRDR_OPTION_NULL2ZERO)
+                buffer_strcat(wb, "0");
+            else
+                buffer_strcat(wb, "null");
+        }
+        else
+            buffer_rrd_value(wb, v);
+    }
+    buffer_strcat(wb, suffix);
+    //info("RRD2SSV(): %s: END", r->st->id);
+}