utils/Install/inczip/ttyio.h

   1 /*
   2    ttyio.h
   3  */
   4
   5 #ifndef __ttyio_h   /* don't include more than once */
   6 #define __ttyio_h
   7
   8 #ifndef __crypt_h
   9 #  include "crypt.h"  /* ensure that encryption header file has been seen */
  10 #endif
  11
  12 #if (CRYPT || (defined(UNZIP) && !defined(FUNZIP)))
  13 /*
  14  * Non-echo keyboard/console input support is needed and enabled.
  15  */
  16
  17 #ifndef __G         /* UnZip only, for now (DLL stuff) */
  18 #  define __G
  19 #  define __G__
  20 #  define __GDEF
  21 #  define __GPRO    void
  22 #  define __GPRO__
  23 #endif
  24
  25 #ifndef ZCONST      /* UnZip only (until have configure script like Zip) */
  26 #  define ZCONST const
  27 #endif
  28
  29 #if (defined(MSDOS) || defined(OS2) || defined(WIN32))
  30 #  ifndef DOS_OS2_W32
  31 #    define DOS_OS2_W32
  32 #  endif
  33 #endif
  34
  35 #if (defined(DOS_OS2_W32) || defined(__human68k__))
  36 #  ifndef DOS_H68_OS2_W32
  37 #    define DOS_H68_OS2_W32
  38 #  endif
  39 #endif
  40
  41 #if (defined(DOS_OS2_W32) || defined(FLEXOS))
  42 #  ifndef DOS_FLX_OS2_W32
  43 #    define DOS_FLX_OS2_W32
  44 #  endif
  45 #endif
  46
  47 #if (defined(DOS_H68_OS2_W32) || defined(FLEXOS))
  48 #  ifndef DOS_FLX_H68_OS2_W32
  49 #    define DOS_FLX_H68_OS2_W32
  50 #  endif
  51 #endif
  52
  53 #if (defined(VM_CMS) || defined(MVS))
  54 #  ifndef CMS_MVS
  55 #    define CMS_MVS
  56 #  endif
  57 #endif
  58
  59
  60 /* Function prototypes */
  61
  62 /* The following systems supply a `non-echo' character input function "getch()"
  63  * (or an alias) and do not need the echoff() / echon() function pair.
  64  */
  65 #ifdef AMIGA
  66 #  define echoff(f)
  67 #  define echon()
  68 #  define getch() Agetch()
  69 #  define HAVE_WORKING_GETCH
  70 #endif /* AMIGA */
  71
  72 #ifdef ATARI
  73 #  define echoff(f)
  74 #  define echon()
  75 #  include <osbind.h>
  76 #  define getch() (Cnecin() & 0x000000ff)
  77 #  define HAVE_WORKING_GETCH
  78 #endif
  79
  80 #ifdef MACOS
  81 #  define echoff(f)
  82 #  define echon()
  83 #  define getch() macgetch()
  84 #  define HAVE_WORKING_GETCH
  85 #endif
  86
  87 #ifdef QDOS
  88 #  define echoff(f)
  89 #  define echon()
  90 #  define HAVE_WORKING_GETCH
  91 #endif
  92
  93 #ifdef RISCOS
  94 #  define echoff(f)
  95 #  define echon()
  96 #  define getch() SWI_OS_ReadC()
  97 #  define HAVE_WORKING_GETCH
  98 #endif
  99
 100 #ifdef DOS_H68_OS2_W32
 101 #  define echoff(f)
 102 #  define echon()
 103 #  ifdef WIN32
 104 #    ifndef getch
 105 #      define getch() getch_win32()
 106 #    endif
 107 #  else /* !WIN32 */
 108 #    ifdef __EMX__
 109 #      ifndef getch
 110 #        define getch() _read_kbd(0, 1, 0)
 111 #      endif
 112 #    else /* !__EMX__ */
 113 #      ifdef __GO32__
 114 #        include <pc.h>
 115 #        define getch() getkey()
 116 #      else /* !__GO32__ */
 117 #        include <conio.h>
 118 #      endif /* ?__GO32__ */
 119 #    endif /* ?__EMX__ */
 120 #  endif /* ?WIN32 */
 121 #  define HAVE_WORKING_GETCH
 122 #endif /* DOS_H68_OS2_W32 */
 123
 124 #ifdef FLEXOS
 125 #  define echoff(f)
 126 #  define echon()
 127 #  define getch() getchar() /* not correct, but may not be on a console */
 128 #  define HAVE_WORKING_GETCH
 129 #endif
 130
 131 /* For VM/CMS and MVS, we do not (yet) have any support to switch terminal
 132  * input echo on and off. The following "fake" definitions allow inclusion
 133  * of crypt support and UnZip's "pause prompting" features, but without
 134  * any echo suppression.
 135  */
 136 #ifdef CMS_MVS
 137 #  define echoff(f)
 138 #  define echon()
 139 #endif
 140
 141 /* VMS has a single echo() function in ttyio.c to toggle terminal
 142  * input echo on and off.
 143  */
 144 #ifdef VMS
 145 #  define echoff(f)  echo(0)
 146 #  define echon()    echo(1)
 147    int echo OF((int));
 148 #endif
 149
 150 /* For all other systems, ttyio.c supplies the two functions Echoff() and
 151  * Echon() for suppressing and (re)enabling console input echo.
 152  */
 153 #ifndef echoff
 154 #  define echoff(f)  Echoff(__G__ f)
 155 #  define echon()    Echon(__G)
 156    void Echoff OF((__GPRO__ int f));
 157    void Echon OF((__GPRO));
 158 #endif
 159
 160 /* this stuff is used by MORE and also now by the ctrl-S code; fileio.c only */
 161 #if (defined(UNZIP) && !defined(FUNZIP))
 162 #  ifdef HAVE_WORKING_GETCH
 163 #    define FGETCH(f)  getch()
 164 #  endif
 165 #  ifndef FGETCH
 166      /* default for all systems where no getch()-like function is available */
 167      int zgetch OF((__GPRO__ int f));
 168 #    define FGETCH(f)  zgetch(__G__ f)
 169 #  endif
 170 #endif /* UNZIP && !FUNZIP */
 171
 172 #if (CRYPT && !defined(WINDLL))
 173    char *getp OF((__GPRO__ ZCONST char *m, char *p, int n));
 174 #endif
 175
 176 #else /* !(CRYPT || (UNZIP && !FUNZIP)) */
 177
 178 /*
 179  * No need for non-echo keyboard/console input; provide dummy definitions.
 180  */
 181 #define echoff(f)
 182 #define echon()
 183
 184 #endif /* ?(CRYPT || (UNZIP && !FUNZIP)) */
 185
 186 #endif /* !__ttyio_h */