https://github.com/scim-im/scim/pull/44

From 071bf29d5125343d1f4fb7d024b22342171a5174 Mon Sep 17 00:00:00 2001
From: "Z. Liu" <zhixu.liu@gmail.com>
Date: Sat, 3 May 2025 22:54:48 +0800
Subject: [PATCH] i18nMethod: fix build w/ gcc 15

gcc 15 report:
> i18nMethod.c:84:28: error: initialization of 'int (*)(void)' from incompatible pointer type 'int (*)(struct _Xi18nCore *, TransportSW *, char *)' [-Wincompatible-pointer-types]

Signed-off-by: Z. Liu <zhixu.liu@gmail.com>

diff --git a/modules/FrontEnd/IMdkit/Xi18n.h b/modules/FrontEnd/IMdkit/Xi18n.h
index 5bb5837..5ec7f7b 100644
--- a/modules/FrontEnd/IMdkit/Xi18n.h
+++ b/modules/FrontEnd/IMdkit/Xi18n.h
@@ -69,12 +69,18 @@ IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #define I18N_SET	1
 #define I18N_GET	2
 
-typedef struct
+typedef struct _Xi18nCore *Xi18n;
+struct _TransportSW;
+typedef struct _TransportSW TransportSW;
+
+typedef Bool (*CheckAddrFunc)(Xi18n i18n_core, TransportSW *transSW, char *address);
+
+struct _TransportSW
 {
     char        *transportname;
     int         namelen;
-    Bool        (*checkAddr) ();
-} TransportSW;
+    CheckAddrFunc checkAddr;
+};
 
 typedef struct _XIMPending
 {
@@ -168,8 +174,6 @@ typedef struct _Xi18nClient
     struct _Xi18nClient *next;
 } Xi18nClient;
 
-typedef struct _Xi18nCore *Xi18n;
-
 /*
  * Callback Struct for XIM Protocol
  */
diff --git a/modules/FrontEnd/IMdkit/i18nMethod.c b/modules/FrontEnd/IMdkit/i18nMethod.c
index 203f831..6c06bec 100644
--- a/modules/FrontEnd/IMdkit/i18nMethod.c
+++ b/modules/FrontEnd/IMdkit/i18nMethod.c
@@ -89,7 +89,7 @@ TransportSW _TransR[] =
 #ifdef DNETCONN
     {"decnet",          6, _Xi18nCheckTransAddress},
 #endif
-    {(char *) NULL,     0, (Bool (*) ()) NULL}
+    {(char *) NULL,     0, (CheckAddrFunc) NULL}
 };
 
 static Bool GetInputStyles (Xi18n i18n_core, XIMStyles **p_style)
-- 
2.45.2