From 095343a8980eda2627455ed94f266e3d59dc527e Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@noris.net>
Date: Wed, 29 Sep 2010 18:21:13 +0200
Subject: [PATCH] src/utils_threshold.c: Cleanups.

---
 src/utils_threshold.c | 82 ++++++++++++++++++---------------------------------
 1 file changed, 28 insertions(+), 54 deletions(-)

diff --git a/src/utils_threshold.c b/src/utils_threshold.c
index 075af020..d831a355 100644
--- a/src/utils_threshold.c
+++ b/src/utils_threshold.c
@@ -614,31 +614,32 @@ int ut_build_message(char *out, size_t bufsize, const char *fmt,
     const data_set_t *ds, int ds_index, const value_list_t *vl, const gauge_t *values,
     const notification_t *n, const threshold_t *th)
 {
-
   /* TODO: We could provide here a way to use meta information on thresholds
    * directly in the future. */
   char msg[NOTIF_MAX_MSG_LEN];
-  char temp[NOTIF_MAX_MSG_LEN];
-  gauge_t *rates;
   int rates_failed;
 
   int i;
 
   sstrncpy (msg, fmt, sizeof (msg));
 
-#define REPLACE_FIELD(t,v) \
-  if (subst_string (temp, sizeof (temp), msg, t, v) != NULL) \
-  sstrncpy (msg, temp, sizeof (msg));
+#define REPLACE_FIELD(t,v) do { \
+  char temp[NOTIF_MAX_MSG_LEN]; \
+  if (subst_string (temp, sizeof (temp), msg, (t), (v)) != NULL) \
+    sstrncpy (msg, temp, sizeof (msg)); \
+} while (0)
 
-  char ftoa_temp[NOTIF_MAX_MSG_LEN];
-#define FTOA(string,f) \
-  memset(string,0x00,sizeof(string)); \
-  snprintf(string, sizeof(string), "%f", f);
+#define REPLACE_FIELD_F(t,f) do { \
+  char f_str[64]; \
+  ssnprintf (f_str, sizeof (f_str), "%g", (f)); \
+  REPLACE_FIELD ((t), f_str); \
+} while (0)
 
-  char itoa_temp[NOTIF_MAX_MSG_LEN];
-#define ITOA(string,i) \
-  memset(string,0x00,sizeof(string)); \
-  snprintf(string, sizeof(string), "%i", i);
+#define REPLACE_FIELD_I(t,i) do { \
+  char i_str[64]; \
+  ssnprintf (i_str, sizeof (i_str), "%i", (i)); \
+  REPLACE_FIELD ((t), i_str); \
+} while (0)
 
   REPLACE_FIELD ("%{host}", n->host);
   REPLACE_FIELD ("%{plugin}", n->plugin);
@@ -654,13 +655,11 @@ int ut_build_message(char *out, size_t bufsize, const char *fmt,
 
     /* This is the offending value, its equivalent to %{ds:value}, if
      * value is the data_source name. */
-    FTOA(ftoa_temp,values[ds_index])
-      REPLACE_FIELD ("%{value}", ftoa_temp);
+    REPLACE_FIELD_F ("%{value}", (double) values[ds_index]);
   }
 
   /* Now replace all %{ds:<template>} like target_notification does */
   rates_failed = 0;
-  rates = NULL;
   for (i = 0; i < ds->ds_num; i++)
   {
     char template[DATA_MAX_NAME_LEN];
@@ -668,59 +667,34 @@ int ut_build_message(char *out, size_t bufsize, const char *fmt,
 
     ssnprintf (template, sizeof (template), "%%{ds:%s}", ds->ds[i].name);
 
-    if (ds->ds[i].type != DS_TYPE_GAUGE)
-    {
-      if ((rates == NULL) && (rates_failed == 0))
-      {
-        rates = uc_get_rate (ds, vl);
-        if (rates == NULL)
-          rates_failed = 1;
-      }
-    }
-
     /* If this is a gauge value, use the current value. */
     if (ds->ds[i].type == DS_TYPE_GAUGE)
       ssnprintf (value_str, sizeof (value_str),
           "%g", (double) vl->values[i].gauge);
     /* If it's a counter, try to use the current rate. This may fail, if the
      * value has been renamed. */
-    else if (rates != NULL)
+    else if (values != NULL)
       ssnprintf (value_str, sizeof (value_str),
-          "%g", (double) rates[i]);
+          "%g", (double) values[i]);
     /* Since we don't know any better, use the string `unknown'. */
     else
       sstrncpy (value_str, "unknown", sizeof (value_str));
 
     REPLACE_FIELD (template, value_str);
   }
-  sfree (rates);
-
-  if (th != NULL) {
-    if ( !isnan(th->warning_min)) {
-      FTOA(ftoa_temp,th->warning_min)
-        REPLACE_FIELD ("%{warning_min}", ftoa_temp);
-    }
-    if ( !isnan(th->warning_max)) {
-      FTOA(ftoa_temp,th->warning_max)
-        REPLACE_FIELD ("%{warning_max}", ftoa_temp);
-    }
-    if ( !isnan(th->failure_min)) {
-      FTOA(ftoa_temp,th->failure_min)
-        REPLACE_FIELD ("%{failure_min}", ftoa_temp);
-    }
-    if ( !isnan(th->failure_max)) {
-      FTOA(ftoa_temp,th->failure_max)
-        REPLACE_FIELD ("%{failure_max}", ftoa_temp);
-    }
 
-    FTOA(ftoa_temp,th->hysteresis)
-      REPLACE_FIELD ("%{hysteresis}", ftoa_temp);
-
-    ITOA(itoa_temp,th->hits)
-      REPLACE_FIELD ("%{hits}", itoa_temp);
+  if (th != NULL)
+  {
+    REPLACE_FIELD_F ("%{warning_min}", th->warning_min);
+    REPLACE_FIELD_F ("%{warning_max}", th->warning_max);
+    REPLACE_FIELD_F ("%{failure_min}", th->failure_min);
+    REPLACE_FIELD_F ("%{failure_max}", th->failure_max);
+    REPLACE_FIELD_F ("%{hysteresis}",  th->hysteresis);
+    REPLACE_FIELD_I ("%{hits}",        th->hits);
   }
 
-  return ssnprintf (out, bufsize, "%s", msg);
+  sstrncpy (out, msg, bufsize);
+  return (0);
 } /* int ut_build_message */
 
 /*
-- 
2.11.0