lib/msvcrt/conio/getch.c

   1 /*
   2  * COPYRIGHT:   See COPYING in the top level directory
   3  * PROJECT:     ReactOS system libraries
   4  * FILE:        lib/msvcrt/conio/getch.c
   5  * PURPOSE:     Writes a character to stdout
   6  * PROGRAMER:   Boudewijn Dekker
   7  * UPDATE HISTORY:
   8  *              28/12/98: Created
   9  */
  10 #include <windows.h>
  11 #include <msvcrt/conio.h>
  12 #include <msvcrt/stdio.h>
  13 #include <msvcrt/io.h>
  14 #include <msvcrt/internal/console.h>
  15
  16
  17 /*
  18  * @implemented
  19  */
  20 int _getch(void)
  21 {
  22     DWORD  NumberOfCharsRead = 0;
  23     char c;
  24     if (char_avail) {
  25         c = ungot_char;
  26         char_avail = 0;
  27     } else {
  28         ReadConsoleA(_get_osfhandle(stdin->_file),
  29                              &c,
  30                              1,
  31                              &NumberOfCharsRead,
  32                              NULL);
  33     }
  34     if (c == 10)
  35         c = 13;
  36     putchar(c);
  37     return c;
  38 }
  39
  40 #if 0
  41 /*
  42  * @unimplemented
  43  */
  44 int _getche(void)
  45 {
  46     int c;
  47
  48     c = _getch();
  49     _putch(c);
  50
  51     return c;
  52 }
  53 #endif