Add carolhook for Wonderland Wars

carolhook/serial.c

@@ -0,0 +1,39 @@
+#include <windows.h>
+#include <winbase.h>
+
+#include "hook/table.h"
+
+#include "util/dprintf.h"
+
+static BOOL WINAPI my_SetCommState(HANDLE hFile,  LPDCB lpDCB);
+static BOOL (WINAPI *next_SetCommState)(HANDLE hFile,  LPDCB lpDCB);
+static void com_hook_insert_hooks(HMODULE target);
+
+static const struct hook_symbol win32_hooks[] = {
+    {
+        .name = "SetCommState",
+        .patch = my_SetCommState,
+        .link = (void **) &next_SetCommState
+    }
+};
+
+void serial_init()
+{
+    com_hook_insert_hooks(NULL);
+    dprintf("Serial: Spy init\n");
+}
+
+static void com_hook_insert_hooks(HMODULE target)
+{
+    hook_table_apply(
+            target,
+            "kernel32.dll",
+            win32_hooks,
+            _countof(win32_hooks));
+}
+
+static BOOL WINAPI my_SetCommState(HANDLE hFile,  LPDCB lpDCB)
+{
+    dprintf("Serial: my_SetCommState with baudrate %ld\n", lpDCB->BaudRate);
+    return next_SetCommState(hFile, lpDCB);
+}