segatools/carolhook/serial.c

39 lines
922 B
C

#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);
}