File: fix-c23-function-proto.patch

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From: Mamoru TASAKA <mtasaka@fedoraproject.org>
Date: Tue, 21 Jan 2025 16:10:30 +0900
Subject: Fix C23 function prototypes

Function declarations are required to have parameter information in C23.
Specify the parameters explicitly so it conforms with this C standard where
needed. ptk_dir_tree_new actually doesn't take any parameters. So, in this
case, simply drop the argument from the function call instead.

Properly handle function assignments as well, so their types matches.

Origin: vendor, https://src.fedoraproject.org/rpms/spacefm/blob/rawhide/f/spacefm-1.0.6-c23-function-proto.patch
Forwarded: https://github.com/IgnorantGuru/spacefm/pull/828
Bug-Debian: https://bugs.debian.org/1097912
---
 src/cust-dialog.c           |  2 +-
 src/ptk/ptk-dir-tree-view.c |  2 +-
 src/ptk/ptk-file-misc.c     | 44 ++++++++++++++++++++++----------------------
 src/settings.c              |  8 ++++----
 src/settings.h              | 10 +++++++---
 5 files changed, 35 insertions(+), 31 deletions(-)

diff --git a/src/cust-dialog.c b/src/cust-dialog.c
index 38252ee..59b88d2 100644
--- a/src/cust-dialog.c
+++ b/src/cust-dialog.c
@@ -3806,7 +3806,7 @@ static void show_help()
     fprintf( f, "    %s\n\n", DEFAULT_MANUAL );
 }
 
-void signal_handler()
+void signal_handler(int signal)
 {
     if ( signal_dialog )
     {
diff --git a/src/ptk/ptk-dir-tree-view.c b/src/ptk/ptk-dir-tree-view.c
index 5781084..8b96435 100644
--- a/src/ptk/ptk-dir-tree-view.c
+++ b/src/ptk/ptk-dir-tree-view.c
@@ -357,7 +357,7 @@ GtkTreeModel* get_dir_tree_model()
 
     if ( G_UNLIKELY( ! dir_tree_model ) )
     {
-        dir_tree_model = ptk_dir_tree_new( TRUE );
+        dir_tree_model = ptk_dir_tree_new();
         g_object_add_weak_pointer( G_OBJECT( dir_tree_model ),
                                    ( gpointer * ) (GtkWidget *) & dir_tree_model );
     }
diff --git a/src/ptk/ptk-file-misc.c b/src/ptk/ptk-file-misc.c
index a15c72b..72425ef 100644
--- a/src/ptk/ptk-file-misc.c
+++ b/src/ptk/ptk-file-misc.c
@@ -1338,7 +1338,7 @@ void on_opt_toggled( GtkMenuItem* item, MoveSet* mset )
 void on_toggled( GtkMenuItem* item, MoveSet* mset )
 {
     //int (*show) () = NULL;
-    void (*show) () = NULL;
+    void (*show) (GtkWidget *) = NULL;
     gboolean someone_is_visible = FALSE;
     gboolean opts_visible = FALSE;
 
@@ -1406,54 +1406,54 @@ void on_toggled( GtkMenuItem* item, MoveSet* mset )
     // entries
     if ( xset_get_b( "move_name" ) )
     {
-        show = (GFunc)gtk_widget_show;
+        show = gtk_widget_show;
         someone_is_visible = TRUE;
     }
     else
-        show = (GFunc)gtk_widget_hide;
-    show( mset->label_name );
+        show = gtk_widget_hide;
+    show( GTK_WIDGET(mset->label_name) );
     show( mset->scroll_name );
     show( mset->hbox_ext );
-    show( mset->blank_name );
+    show( GTK_WIDGET(mset->blank_name) );
 
     if ( xset_get_b( "move_filename" ) )
     {
-        show = (GFunc)gtk_widget_show;
+        show = gtk_widget_show;
         someone_is_visible = TRUE;
     }
     else
-        show = (GFunc)gtk_widget_hide;
-    show( mset->label_full_name );
+        show = gtk_widget_hide;
+    show( GTK_WIDGET(mset->label_full_name) );
     show( mset->scroll_full_name );
-    show( mset->blank_full_name );
+    show( GTK_WIDGET(mset->blank_full_name) );
 
     if ( xset_get_b( "move_parent" ) )
     {
-        show = (GFunc)gtk_widget_show;
+        show = gtk_widget_show;
         someone_is_visible = TRUE;
     }
     else
-        show = (GFunc)gtk_widget_hide;
-    show( mset->label_path );
+        show = gtk_widget_hide;
+    show( GTK_WIDGET(mset->label_path) );
     show( mset->scroll_path );
-    show( mset->blank_path );
+    show( GTK_WIDGET(mset->blank_path) );
 
     if ( xset_get_b( "move_path" ) )
     {
-        show = (GFunc)gtk_widget_show;
+        show = gtk_widget_show;
         someone_is_visible = TRUE;
     }
     else
-        show = (GFunc)gtk_widget_hide;
-    show( mset->label_full_path );
+        show = gtk_widget_hide;
+    show( GTK_WIDGET(mset->label_full_path) );
     show( mset->scroll_full_path );
 
     if ( !mset->is_link && !mset->create_new && xset_get_b( "move_type" ) )
     {
-        show = (GFunc)gtk_widget_show;
+        show = gtk_widget_show;
     }
     else
-        show = (GFunc)gtk_widget_hide;
+        show = gtk_widget_hide;
     show( mset->hbox_type );
 
     gboolean new_file = FALSE;
@@ -1468,15 +1468,15 @@ void on_toggled( GtkMenuItem* item, MoveSet* mset )
     
     if ( new_link || ( mset->is_link && xset_get_b( "move_target" ) ) )
     {
-        show = (GFunc)gtk_widget_show;
+        show = gtk_widget_show;
     }
     else
-        show = (GFunc)gtk_widget_hide;
+        show = gtk_widget_hide;
     show( mset->hbox_target );
 
     if ( ( new_file || new_folder ) && xset_get_b( "move_template" ) )
     {
-        show = (GFunc)gtk_widget_show;
+        show = gtk_widget_show;
         if ( new_file )
         {
             gtk_widget_show( GTK_WIDGET( mset->combo_template ) );
@@ -1493,7 +1493,7 @@ void on_toggled( GtkMenuItem* item, MoveSet* mset )
         }
     }
     else
-        show = (GFunc)gtk_widget_hide;
+        show = gtk_widget_hide;
     show( mset->hbox_template );
 
     if ( !someone_is_visible )
diff --git a/src/settings.c b/src/settings.c
index 9157203..87db029 100644
--- a/src/settings.c
+++ b/src/settings.c
@@ -2993,7 +2993,7 @@ void xset_parse( char* line )
     }
 }
 
-XSet* xset_set_cb( const char* name, void (*cb_func) (), gpointer cb_data )
+XSet* xset_set_cb_internal( const char* name, void (*cb_func) (GtkWidget*, gpointer), gpointer cb_data )
 {
     XSet* set = xset_get( name );
     set->cb_func = cb_func;
@@ -3001,10 +3001,10 @@ XSet* xset_set_cb( const char* name, void (*cb_func) (), gpointer cb_data )
     return set;
 }
 
-XSet* xset_set_cb_panel( int panel, const char* name, void (*cb_func) (), gpointer cb_data )
+XSet* xset_set_cb_panel_internal( int panel, const char* name, void (*cb_func) (GtkWidget*, gpointer), gpointer cb_data )
 {
     char* fullname = g_strdup_printf( "panel%d_%s", panel, name );
-    XSet* set = xset_set_cb( fullname, cb_func, cb_data );
+    XSet* set = xset_set_cb_internal( fullname, cb_func, cb_data );
     g_free( fullname );
     return set;
 }
@@ -8593,7 +8593,7 @@ gboolean xset_menu_keypress( GtkWidget* widget, GdkEventKey* event,
 void xset_menu_cb( GtkWidget* item, XSet* set )
 {
     GtkWidget* parent;
-    void (*cb_func) () = NULL;
+    void (*cb_func) (GtkWidget*, gpointer) = NULL;
     gpointer cb_data = NULL;
     char* title;
     XSet* mset;  // mirror set or set
diff --git a/src/settings.h b/src/settings.h
index 4860f2c..6bc82d0 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -262,7 +262,7 @@ typedef struct
     char* menu_label;
     int menu_style;         // not saved or read if locked
     char* icon;
-    void (*cb_func) ();     // not saved
+    void (*cb_func) (GtkWidget*, gpointer);     // not saved
     gpointer cb_data;       // not saved
     char* ob1;              // not saved
     gpointer ob1_data;      // not saved
@@ -416,7 +416,9 @@ XSet* xset_set_b_panel( int panel, const char* name, gboolean bval );
 int xset_get_int( const char* name, const char* var );
 int xset_get_int_panel( int panel, const char* name, const char* var );
 XSet* xset_set_panel( int panel, const char* name, const char* var, const char* value );
-XSet* xset_set_cb_panel( int panel, const char* name, void (*cb_func) (), gpointer cb_data );
+XSet* xset_set_cb_panel_internal( int panel, const char* name, void (*cb_func) (GtkWidget*, gpointer), gpointer cb_data );
+#define xset_set_cb_panel(panel, name, cb_func, cb_data) \
+        xset_set_cb_panel_internal(panel, name, (void(*)(GtkWidget*, gpointer))(cb_func), cb_data)
 gboolean xset_get_b_set( XSet* set );
 XSet* xset_get_panel_mode( int panel, const char* name, char mode );
 gboolean xset_get_b_panel_mode( int panel, const char* name, char mode );
@@ -451,7 +453,9 @@ GtkWidget* xset_add_menuitem( DesktopWindow* desktop, PtkFileBrowser* file_brows
                                     GtkWidget* menu, GtkAccelGroup *accel_group,
                                     XSet* set );
 GtkWidget* xset_get_image( const char* icon, int icon_size );
-XSet* xset_set_cb( const char* name, void (*cb_func) (), gpointer cb_data );
+XSet* xset_set_cb_internal( const char* name, void (*cb_func) (GtkWidget*, gpointer), gpointer cb_data );
+#define xset_set_cb(name, cb_func, cb_data) \
+        xset_set_cb_internal(name, (void(*)(GtkWidget*, gpointer))(cb_func), cb_data)
 XSet* xset_set_ob1_int( XSet* set, const char* ob1, int ob1_int );
 XSet* xset_set_ob1( XSet* set, const char* ob1, gpointer ob1_data );
 XSet* xset_set_ob2( XSet* set, const char* ob2, gpointer ob2_data );