lib/generate_thread_id: move static buffer to notmuch_database_t

[notmuch] / lib / database-private.h

diff --git a/lib/database-private.h b/lib/database-private.h
index 0d12ec1efde57b4862f1001facdbfafe3dec54cd..1a73dacc365f563134d123fe09d91668b45a6d1f 100644 (file)
--- a/lib/database-private.h
+++ b/lib/database-private.h
@@ -206,6 +206,10 @@ struct _notmuch_database {
     enum _notmuch_features features;
 
     unsigned int last_doc_id;
+
+    /* 16 bytes (+ terminator) for hexadecimal representation of
+     * a 64-bit integer. */
+    char thread_id_str[17];
     uint64_t last_thread_id;
 
     /* error reporting; this value persists only until the