win32: read_key: implement timeout

will be needed by CONFIG_FEATURE_VI_ASK_TERMINAL

1 files changed, 5 insertions, 1 deletions

diff --git a/win32/termios.c b/win32/termios.c
index 6d85ff98e..97d67eebb 100644
--- a/win32/termios.c
+++ b/win32/termios.c
@@ -10,7 +10,7 @@ int tcgetattr(int fd UNUSED_PARAM, struct termios *t UNUSED_PARAM)
         return -1;
 }
 
-int64_t FAST_FUNC read_key(int fd, char *buf, int timeout UNUSED_PARAM)
+int64_t FAST_FUNC read_key(int fd, char *buf, int timeout)
 {
         static int initialized = 0;
         HANDLE cin = GetStdHandle(STD_INPUT_HANDLE);
@@ -26,6 +26,10 @@ int64_t FAST_FUNC read_key(int fd, char *buf, int timeout UNUSED_PARAM)
                 initialized = 1;
         }
 
+        if (timeout > 0) {
+                if (WaitForSingleObject(cin, timeout) != WAIT_OBJECT_0)
+                        goto done;
+        }
         while (1) {
                 if (!ReadConsoleInput(cin, &record, 1, &nevent_out))
                         return -1;