commit 4927bc7d278caa022358832d96604a72a2a58a45
author Dominique Pellé <dominique.pelle@tomtom.com> Sun Sep 24 16:12:07 2023 +0200
committer Christian Brabandt <cb@256bit.org> Sun Sep 24 16:16:06 2023 +0200
tree 7e276d7c7feb4f9f89d7d9b0855c8019833957c6
parent 99c3849a9299982666a7b677f0565a7b3717d20c

patch 9.0.1930: compiler warnings with clang-17

Problem:  compiler warnings with clang-17
Solution: Fix function prototypes and function pointer

fix: clang compilation warnings with -Wstrict-prototypes

Change fixes this kind of compilation warnings with clang:
```
proto/if_python3.pro:13:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
   13 | int python3_version();
      |                    ^
      |                     void
```

closes: #13166

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Dominique Pellé <dominique.pelle@tomtom.com>

src/os_unix.c

diff --git a/src/os_unix.c b/src/os_unix.c
index 31f66b1..45c6b44 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -1858,7 +1858,7 @@
     static int
 test_x11_window(Display *dpy)
 {
-    int			(*old_handler)();
+    int			(*old_handler)(Display*, XErrorEvent*);
     XTextProperty	text_prop;
 
     old_handler = XSetErrorHandler(x_error_check);
@@ -7781,9 +7781,9 @@
     open_app_context();
     if (app_context != NULL && xterm_Shell == (Widget)0)
     {
-	int (*oldhandler)();
+	int (*oldhandler)(Display*, XErrorEvent*);
 # if defined(USING_SETJMP)
-	int (*oldIOhandler)();
+	int (*oldIOhandler)(Display*);
 # endif
 # ifdef ELAPSED_FUNC
 	elapsed_T start_tv;