decode: prometheus: fix text decoding to handle metric names without underscores

edsiper · edsiper · commit a3cbd2f5429b · 2025-09-08T11:33:10.000-06:00
Signed-off-by: Eduardo Silva &lt;eduardo@calyptia.com&gt;
diff --git a/src/cmt_decode_prometheus.c b/src/cmt_decode_prometheus.c
@@ -174,6 +174,7 @@ static int split_metric_name(struct cmt_decode_prometheus_context *context,
     *subsystem = strchr(*ns, '_');
     if (!(*subsystem)) {
         *name = *ns;
+        *subsystem = "";
         *ns = "";
     }
     else {

Original file line number	Diff line number	Diff line change
`@@ -174,6 +174,7 @@ static int split_metric_name(struct cmt_decode_prometheus_context *context,`
`174`	`174`	`subsystem = strchr(ns, '_');`
`175`	`175`	`if (!(*subsystem)) {`
`176`	`176`	`name = ns;`
	`177`	`+ *subsystem = "";`
`177`	`178`	`*ns = "";`
`178`	`179`	`}`
`179`	`180`	`else {`