[Minor] Add macro to clear rspamd fstring

diff --git a/src/libutil/fstring.h b/src/libutil/fstring.h
index db8b49085ec06a9b30850ac6ea395bfc033c4179..0bd9a271d73856b5c6d6cb20edd5cad67d5df1c9 100644 (file)
--- a/src/libutil/fstring.h
+++ b/src/libutil/fstring.h
@@ -81,6 +81,8 @@ rspamd_fstring_t *rspamd_fstring_append_chars (rspamd_fstring_t *str,
  */
 void rspamd_fstring_erase (rspamd_fstring_t *str, gsize pos, gsize len);
 
+#define rspamd_fstring_clear(s) rspamd_fstring_erase(s, 0, s->len)
+
 /**
  * Convert fixed string to a zero terminated string. This string should be
  * freed by a caller