src/rrd_format.c: Implemented "cf_to_string"

A simple helper function to turn an "enum cf_en" to a string. The returned
pointer points to static memory and doesn't need to be freed. -- Florian

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk@2061 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/program/src/rrd_format.c b/program/src/rrd_format.c
index 18e1ecd7360ba40685a052ee654e4043cd5c7bb7..501b2676d95b6661966b85eadc9ba2b849285f99 100644 (file)
--- a/program/src/rrd_format.c
+++ b/program/src/rrd_format.c
@@ -84,6 +84,26 @@ enum cf_en cf_conv(
     return (enum cf_en)(-1);
 }
 
+const char *cf_to_string (enum cf_en cf)
+{
+    switch (cf)
+    {
+        case CF_AVERAGE:     return "AVERAGE";
+        case CF_MINIMUM:     return "MIN";
+        case CF_MAXIMUM:     return "MAX";
+        case CF_LAST:        return "LAST";
+        case CF_HWPREDICT:   return "HWPREDICT";
+        case CF_SEASONAL:    return "SEASONAL";
+        case CF_DEVPREDICT:  return "DEVPREDICT";
+        case CF_DEVSEASONAL: return "DEVSEASONAL";
+        case CF_FAILURES:    return "FAILURES";
+        case CF_MHWPREDICT:  return "MHWPREDICT";
+
+        default:
+            return NULL;
+    }
+} /* char *cf_to_string */
+
 #undef converter
 
 long ds_match(

diff --git a/program/src/rrd_tool.h b/program/src/rrd_tool.h
index b58e04c9de14c396a158a99c80daac0ae3411d74..7d8368a6a45ebdbba57be8eca32ad109aa97c3d2 100644 (file)
--- a/program/src/rrd_tool.h
+++ b/program/src/rrd_tool.h
@@ -122,6 +122,8 @@ int rrd_fetch_fn_libdbi(const char *filename, enum cf_en cf_idx,
     char *a,
     char *b);
 
+    const char *cf_to_string (enum cf_en cf);
+
 #endif /* _RRD_TOOL_H */
 
 #ifdef  __cplusplus