1 files changed, 83 insertions, 0 deletions

diff --git a/win32/termios.c b/win32/termios.c
new file mode 100644
index 000000000..658af4a26
--- /dev/null
+++ b/win32/termios.c
@@ -0,0 +1,83 @@
+#include "libbb.h"
+
+int tcsetattr(int fd UNUSED_PARAM, int mode UNUSED_PARAM,  const struct termios *t UNUSED_PARAM)
+{
+        return -1;
+}
+
+int tcgetattr(int fd UNUSED_PARAM, struct termios *t UNUSED_PARAM)
+{
+        return -1;
+}
+
+int64_t FAST_FUNC read_key(int fd, char *buf UNUSED_PARAM, int timeout)
+{
+        HANDLE cin = GetStdHandle(STD_INPUT_HANDLE);
+        INPUT_RECORD record;
+        DWORD nevent_out, mode;
+        int ret = -1;
+        char *s;
+
+        if (fd != 0)
+                bb_error_msg_and_die("read_key only works on stdin");
+        if (cin == INVALID_HANDLE_VALUE)
+                return -1;
+        GetConsoleMode(cin, &mode);
+        SetConsoleMode(cin, 0);
+
+        if (timeout > 0) {
+                if (WaitForSingleObject(cin, timeout) != WAIT_OBJECT_0)
+                        goto done;
+        }
+        while (1) {
+                if (!ReadConsoleInput(cin, &record, 1, &nevent_out))
+                        goto done;
+                if (record.EventType != KEY_EVENT || !record.Event.KeyEvent.bKeyDown)
+                        continue;
+                if (!record.Event.KeyEvent.uChar.AsciiChar) {
+                        DWORD state = record.Event.KeyEvent.dwControlKeyState;
+
+                        if (state & (RIGHT_CTRL_PRESSED|LEFT_CTRL_PRESSED) &&
+                            (record.Event.KeyEvent.wVirtualKeyCode >= 'A' &&
+                             record.Event.KeyEvent.wVirtualKeyCode <= 'Z')) {
+                                ret = record.Event.KeyEvent.wVirtualKeyCode & ~0x40;
+                                break;
+                        }
+
+                        switch (record.Event.KeyEvent.wVirtualKeyCode) {
+                        case VK_DELETE: ret = KEYCODE_DELETE; goto done;
+                        case VK_INSERT: ret = KEYCODE_INSERT; goto done;
+                        case VK_UP: ret = KEYCODE_UP; goto done;
+                        case VK_DOWN: ret = KEYCODE_DOWN; goto done;
+                        case VK_RIGHT:
+                                if (state & (RIGHT_CTRL_PRESSED|LEFT_CTRL_PRESSED)) {
+                                        ret = KEYCODE_CTRL_RIGHT;
+                                        goto done;
+                                }
+                                ret = KEYCODE_RIGHT;
+                                goto done;
+                        case VK_LEFT:
+                                if (state & (RIGHT_CTRL_PRESSED|LEFT_CTRL_PRESSED)) {
+                                        ret = KEYCODE_CTRL_LEFT;
+                                        goto done;
+                                }
+                                ret = KEYCODE_LEFT;
+                                goto done;
+                        case VK_HOME: ret = KEYCODE_HOME; goto done;
+                        case VK_END: ret = KEYCODE_END; goto done;
+                        case VK_PRIOR: ret = KEYCODE_PAGEUP; goto done;
+                        case VK_NEXT: ret = KEYCODE_PAGEDOWN; goto done;
+                        }
+                        continue;
+                }
+                if ( (record.Event.KeyEvent.uChar.AsciiChar & 0x80) == 0x80 ) {
+                        s = &record.Event.KeyEvent.uChar.AsciiChar;
+                        OemToCharBuff(s, s, 1);
+                }
+                ret = record.Event.KeyEvent.uChar.AsciiChar;
+                break;
+        }
+ done:
+        SetConsoleMode(cin, mode);
+        return ret;
+}