[Minor] Improve headers tokens in bayes

diff --git a/src/libstat/stat_process.c b/src/libstat/stat_process.c
index 4f7f4e7033642e14da05ef79c4983c496a1639d2..070b9d6ca27b3f476b1bf61604379b9ed1a03cb7 100644 (file)
--- a/src/libstat/stat_process.c
+++ b/src/libstat/stat_process.c
@@ -190,8 +190,13 @@ rspamd_stat_tokenize_parts_metadata (struct rspamd_stat_ctx *st_ctx,
                hdr = cur->data;
 
                if (hdr->name && hdr->type != RSPAMD_HEADER_RECEIVED) {
-                       elt.begin = hdr->name;
-                       elt.len = strlen (hdr->name);
+                       /* We assume that headers count is not more than 10^10 */
+                       gsize nlen = strlen (hdr->name) + 1 + 10;
+                       gchar *hdrbuf = rspamd_mempool_alloc (task->task_pool, nlen);
+                       nlen = rspamd_snprintf (hdrbuf, nlen, "%s:%d", hdr->name, hdr->order);
+                       rspamd_str_lc (hdrbuf, nlen);
+                       elt.begin = hdrbuf;
+                       elt.len = nlen;
                        g_array_append_val (ar, elt);
                }