ash: updated support for hiding console

Move the code to hide the console to a separate function in
win32/mingw.c.  Use lazy loading to avoid problems on platforms
where the require APIs aren't supported (PR #70).

Enable console hiding in the default 64-bit configuration.

1 files changed, 16 insertions, 0 deletions

diff --git a/win32/mingw.c b/win32/mingw.c
index 03636a04b..5cfba22f7 100644
--- a/win32/mingw.c
+++ b/win32/mingw.c
@@ -1397,3 +1397,19 @@ int enumerate_links(const char *file, char *name)
         return 1;
 }
 #endif
+
+#if ENABLE_ASH_NOCONSOLE
+void hide_console(void)
+{
+        DWORD dummy;
+        DECLARE_PROC_ADDR(DWORD, GetConsoleProcessList, LPDWORD, DWORD);
+        DECLARE_PROC_ADDR(BOOL, ShowWindow, HWND, int);
+
+        if (INIT_PROC_ADDR(kernel32.dll, GetConsoleProcessList) &&
+                        INIT_PROC_ADDR(user32.dll, ShowWindow)) {
+                if (GetConsoleProcessList(&dummy, 1) == 1) {
+                        ShowWindow(GetConsoleWindow(), SW_HIDE);
+                }
+        }
+}
+#endif