From 873cb5d35fc7ff4a83085f66b8030c9628038839 Mon Sep 17 00:00:00 2001
From: Sveinung Kvilhaugsvik <sveinung84@users.sourceforge.net>
Date: Tue, 23 Feb 2021 09:10:28 +0100
Subject: [PATCH] In use function for extra flags.
Add the new function extra_flag_is_in_use() It checks if the specified flag
is used in the current ruleset.
See osdn #41636
---
common/extras.c | 19 +++++++++++++++++++
common/extras.h | 1 +
2 files changed, 20 insertions(+)
diff --git a/common/extras.c b/common/extras.c
index d830e34fb4..8d906408f7 100644
--- a/common/extras.c
+++ b/common/extras.c
@@ -863,6 +863,25 @@ const char *extra_flag_helptxt(enum extra_flag_id id)
return user_extra_flags[id - EF_USER_FLAG_1].helptxt;
}
+/**********************************************************************//**
+ Returns TRUE iff the specified extra type flag is in use by any extra
+ type.
+ @param id the extra type flag to check if is in use.
+ @returns TRUE if the extra type flag is used in the current ruleset.
+**************************************************************************/
+bool extra_flag_is_in_use(enum extra_flag_id id)
+{
+ extra_type_re_active_iterate(pextra) {
+ if (extra_has_flag(pextra, id)) {
+ /* Found a user. */
+ return TRUE;
+ }
+ } extra_type_re_active_iterate_end;
+
+ /* No users detected. */
+ return FALSE;
+}
+
/************************************************************************//**
Can two extras coexist in same tile?
****************************************************************************/
diff --git a/common/extras.h b/common/extras.h
index 143f1f8eea..72906d3ee7 100644
--- a/common/extras.h
+++ b/common/extras.h
@@ -255,6 +255,7 @@ void set_user_extra_flag_name(enum extra_flag_id id,
const char *name,
const char *helptxt);
const char *extra_flag_helptxt(enum extra_flag_id id);
+bool extra_flag_is_in_use(enum extra_flag_id id);
bool extra_causes_env_upset(struct extra_type *pextra,
enum environment_upset_type upset);
--
2.20.1