X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_format.c;h=b7e3eff8b339bb242b795a647595050abf18ec73;hb=829d0547396813c62e606d95fd42612f15ab9cb3;hp=55653a5447eb9023163149e3a1f23dd815d775eb;hpb=219fd9224e3117dcf59df8818d4e9e3eab26022a;p=rrdtool.git

diff --git a/src/rrd_format.c b/src/rrd_format.c
index 55653a5..b7e3eff 100644
--- a/src/rrd_format.c
+++ b/src/rrd_format.c
@@ -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;
+}