X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_format.c;h=18e1ecd7360ba40685a052ee654e4043cd5c7bb7;hb=ce692d2da65c1370c7fe64276f492a553f6d3da3;hp=e84461cf83313c5a85429c1cc1db98d6850ddb21;hpb=35354e059a77479a7a135c1e4fc71c76523fd7c4;p=rrdtool.git

diff --git a/src/rrd_format.c b/src/rrd_format.c
index e84461c..18e1ecd 100644
--- a/src/rrd_format.c
+++ b/src/rrd_format.c
@@ -1,5 +1,5 @@
 /*****************************************************************************
- * RRDtool 1.3.0  Copyright by Tobi Oetiker, 1997-2008
+ * RRDtool 1.4.3  Copyright by Tobi Oetiker, 1997-2010
  *****************************************************************************
  * rrd_format.c  RRD Database Format helper functions
  *****************************************************************************
@@ -62,7 +62,7 @@ enum dst_en dst_conv(
         converter(DERIVE, DST_DERIVE)
         converter(COMPUTE, DST_CDEF)
         rrd_set_error("unknown data acquisition function '%s'", string);
-    return (-1);
+    return (enum dst_en)(-1);
 }
 
 
@@ -81,7 +81,7 @@ enum cf_en cf_conv(
         converter(DEVSEASONAL, CF_DEVSEASONAL)
         converter(FAILURES, CF_FAILURES)
         rrd_set_error("unknown consolidation function '%s'", string);
-    return (-1);
+    return (enum cf_en)(-1);
 }
 
 #undef converter
@@ -98,3 +98,16 @@ long ds_match(
     rrd_set_error("unknown data source name '%s'", ds_nam);
     return -1;
 }
+
+off_t rrd_get_header_size(
+    rrd_t *rrd)
+{
+    return sizeof(stat_head_t) + \
+        sizeof(ds_def_t) * rrd->stat_head->ds_cnt + \
+        sizeof(rra_def_t) * rrd->stat_head->rra_cnt + \
+        sizeof(time_t) + \
+        sizeof(live_head_t) + \
+        sizeof(pdp_prep_t) * rrd->stat_head->ds_cnt + \
+        sizeof(cdp_prep_t) * rrd->stat_head->ds_cnt * rrd->stat_head->rra_cnt + \
+        sizeof(rra_ptr_t) * rrd->stat_head->rra_cnt;
+}