Rename struct fields from class to classification. (#11019)

These fields made our headers incompatible with C++, because `class` is
a reserved keyword.

4 files changed, 8 insertions, 8 deletions

diff --git a/database/rrd.h b/database/rrd.h
index ce0ef44821..d4a3d62179 100644
--- a/database/rrd.h
+++ b/database/rrd.h
@@ -668,7 +668,7 @@ struct alarm_entry {
 
     char *family;
 
-    char *class;
+    char *classification;
     char *component;
     char *type;
 
diff --git a/database/rrdcalc.c b/database/rrdcalc.c
index 5455b1674c..85b9efb75c 100644
--- a/database/rrdcalc.c
+++ b/database/rrdcalc.c
@@ -91,7 +91,7 @@ static void rrdsetcalc_link(RRDSET *st, RRDCALC *rc) {
                 rc->name,
                 rc->rrdset->id,
                 rc->rrdset->family,
-                rc->class,
+                rc->classification,
                 rc->component,
                 rc->type,
                 rc->exec,
@@ -168,7 +168,7 @@ inline void rrdsetcalc_unlink(RRDCALC *rc) {
                 rc->name,
                 rc->rrdset->id,
                 rc->rrdset->family,
-                rc->class,
+                rc->classification,
                 rc->component,
                 rc->type,
                 rc->exec,
@@ -434,7 +434,7 @@ inline RRDCALC *rrdcalc_create_from_template(RRDHOST *host, RRDCALCTEMPLATE *rt,
     if(rt->units) rc->units = strdupz(rt->units);
     if(rt->info) rc->info = strdupz(rt->info);
 
-    if (rt->class) rc->class = strdupz(rt->class);
+    if (rt->classification) rc->classification = strdupz(rt->classification);
     if (rt->component) rc->component = strdupz(rt->component);
     if (rt->type) rc->type = strdupz(rt->type);
 
@@ -545,7 +545,7 @@ inline RRDCALC *rrdcalc_create_from_rrdcalc(RRDCALC *rc, RRDHOST *host, const ch
     if(rc->units) newrc->units = strdupz(rc->units);
     if(rc->info) newrc->info = strdupz(rc->info);
 
-    if (rc->class) newrc->class = strdupz(rc->class);
+    if (rc->classification) newrc->classification = strdupz(rc->classification);
     if (rc->component) newrc->component = strdupz(rc->component);
     if (rc->type) newrc->type = strdupz(rc->type);
 
@@ -587,7 +587,7 @@ void rrdcalc_free(RRDCALC *rc) {
     freez(rc->source);
     freez(rc->units);
     freez(rc->info);
-    freez(rc->class);
+    freez(rc->classification);
     freez(rc->component);
     freez(rc->type);
     simple_pattern_free(rc->spdim);
diff --git a/database/rrdcalc.h b/database/rrdcalc.h
index d3e53a0663..b4122c6056 100644
--- a/database/rrdcalc.h
+++ b/database/rrdcalc.h
@@ -42,7 +42,7 @@ struct rrdcalc {
     char *exec;                     // the command to execute when this alarm switches state
     char *recipient;                // the recipient of the alarm (the first parameter to exec)
 
-    char *class;                    // the class that this alarm belongs
+    char *classification;           // the class that this alarm belongs
     char *component;                // the component that this alarm refers to
     char *type;                     // type of the alarm
 
diff --git a/database/rrdcalctemplate.h b/database/rrdcalctemplate.h
index 7e01551ea3..64c201c8c0 100644
--- a/database/rrdcalctemplate.h
+++ b/database/rrdcalctemplate.h
@@ -15,7 +15,7 @@ struct rrdcalctemplate {
     char *exec;
     char *recipient;
 
-    char *class;
+    char *classification;
     char *component;
     char *type;