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Fix compilation errors in emacsclient.c with MinGW GCC 15

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* lib-src/emacsclient.c (set_fg, get_wc): Declare using actual
function signatures.
(w32_give_focus): Cast return value of 'GetProcAddress' to correct
pointer types.  (Bug#78160)
This commit is contained in:
Eli Zaretskii 2025-04-30 14:06:44 +03:00
parent d56e5ba97e
commit 6c2aaedfce
1 changed files with 9 additions and 4 deletions
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13
lib-src/emacsclient.c
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@ -1715,8 +1715,13 @@ set_socket (bool no_exit_if_error)
}
#ifdef HAVE_NTGUI
FARPROC set_fg; /* Pointer to AllowSetForegroundWindow. */
FARPROC get_wc; /* Pointer to RealGetWindowClassA. */
typedef void (* VOIDFNPTR) (void);
typedef BOOL (WINAPI *AllowSetForegroundWindow_proc) (DWORD);
/* Pointer to AllowSetForegroundWindow. */
static AllowSetForegroundWindow_proc set_fg;
typedef UINT (WINAPI *RealGetWindowClassA_proc) (HWND, LPSTR, UINT);
/* Pointer to RealGetWindowClassA. */
static RealGetWindowClassA_proc get_wc;
void w32_set_user_model_id (void);
@ -1794,8 +1799,8 @@ w32_give_focus (void)
emacsclient can allow Emacs to grab the focus by calling the function
AllowSetForegroundWindow. Unfortunately, older Windows (W95, W98 and
NT) lack this function, so we have to check its availability. */
if ((set_fg = GetProcAddress (user32, "AllowSetForegroundWindow"))
&& (get_wc = GetProcAddress (user32, "RealGetWindowClassA")))
if ((set_fg = (AllowSetForegroundWindow_proc) (VOIDFNPTR) GetProcAddress (user32, "AllowSetForegroundWindow"))
&& (get_wc = (RealGetWindowClassA_proc) (VOIDFNPTR) GetProcAddress (user32, "RealGetWindowClassA")))
EnumWindows (w32_find_emacs_process, (LPARAM) 0);
}
#endif /* HAVE_NTGUI */