src/bin/unzip/ttyio.h

   1 /*
   2   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
   3
   4   See the accompanying file LICENSE, version 2000-Apr-09 or later
   5   (the contents of which are also included in zip.h) for terms of use.
   6   If, for some reason, all these files are missing, the Info-ZIP license
   7   also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html
   8 */
   9 /*
  10    ttyio.h
  11  */
  12
  13 #ifndef __ttyio_h   /* don't include more than once */
  14 #define __ttyio_h
  15
  16 #ifndef __crypt_h
  17 #  include "crypt.h"  /* ensure that encryption header file has been seen */
  18 #endif
  19
  20 #if (CRYPT || (defined(UNZIP) && !defined(FUNZIP)))
  21 /*
  22  * Non-echo keyboard/console input support is needed and enabled.
  23  */
  24
  25 #ifndef __G         /* UnZip only, for now (DLL stuff) */
  26 #  define __G
  27 #  define __G__
  28 #  define __GDEF
  29 #  define __GPRO    void
  30 #  define __GPRO__
  31 #endif
  32
  33 #ifndef ZCONST      /* UnZip only (until have configure script like Zip) */
  34 #  define ZCONST const
  35 #endif
  36
  37 #if (defined(MSDOS) || defined(OS2) || defined(WIN32))
  38 #  ifndef DOS_OS2_W32
  39 #    define DOS_OS2_W32
  40 #  endif
  41 #endif
  42
  43 #if (defined(DOS_OS2_W32) || defined(__human68k__))
  44 #  ifndef DOS_H68_OS2_W32
  45 #    define DOS_H68_OS2_W32
  46 #  endif
  47 #endif
  48
  49 #if (defined(DOS_OS2_W32) || defined(FLEXOS))
  50 #  ifndef DOS_FLX_OS2_W32
  51 #    define DOS_FLX_OS2_W32
  52 #  endif
  53 #endif
  54
  55 #if (defined(DOS_H68_OS2_W32) || defined(FLEXOS))
  56 #  ifndef DOS_FLX_H68_OS2_W32
  57 #    define DOS_FLX_H68_OS2_W32
  58 #  endif
  59 #endif
  60
  61 #if (defined(VM_CMS) || defined(MVS))
  62 #  ifndef CMS_MVS
  63 #    define CMS_MVS
  64 #  endif
  65 #endif
  66
  67
  68 /* Function prototypes */
  69
  70 /* The following systems supply a `non-echo' character input function "getch()"
  71  * (or an alias) and do not need the echoff() / echon() function pair.
  72  */
  73 #ifdef AMIGA
  74 #  define echoff(f)
  75 #  define echon()
  76 #  define getch() Agetch()
  77 #  define HAVE_WORKING_GETCH
  78 #endif /* AMIGA */
  79
  80 #ifdef ATARI
  81 #  define echoff(f)
  82 #  define echon()
  83 #  include <osbind.h>
  84 #  define getch() (Cnecin() & 0x000000ff)
  85 #  define HAVE_WORKING_GETCH
  86 #endif
  87
  88 #ifdef MACOS
  89 #  define echoff(f)
  90 #  define echon()
  91 #  define getch() macgetch()
  92 #  define HAVE_WORKING_GETCH
  93 #endif
  94
  95 #ifdef NLM
  96 #  define echoff(f)
  97 #  define echon()
  98 #  define HAVE_WORKING_GETCH
  99 #endif
 100
 101 #ifdef QDOS
 102 #  define echoff(f)
 103 #  define echon()
 104 #  define HAVE_WORKING_GETCH
 105 #endif
 106
 107 #ifdef RISCOS
 108 #  define echoff(f)
 109 #  define echon()
 110 #  define getch() SWI_OS_ReadC()
 111 #  define HAVE_WORKING_GETCH
 112 #endif
 113
 114 #ifdef DOS_H68_OS2_W32
 115 #  define echoff(f)
 116 #  define echon()
 117 #  ifdef WIN32
 118 #    ifndef getch
 119 #      define getch() getch_win32()
 120 #    endif
 121 #  else /* !WIN32 */
 122 #    ifdef __EMX__
 123 #      ifndef getch
 124 #        define getch() _read_kbd(0, 1, 0)
 125 #      endif
 126 #    else /* !__EMX__ */
 127 #      ifdef __GO32__
 128 #        include <pc.h>
 129 #        define getch() getkey()
 130 #      else /* !__GO32__ */
 131 #        include <conio.h>
 132 #      endif /* ?__GO32__ */
 133 #    endif /* ?__EMX__ */
 134 #  endif /* ?WIN32 */
 135 #  define HAVE_WORKING_GETCH
 136 #endif /* DOS_H68_OS2_W32 */
 137
 138 #ifdef FLEXOS
 139 #  define echoff(f)
 140 #  define echon()
 141 #  define getch() getchar() /* not correct, but may not be on a console */
 142 #  define HAVE_WORKING_GETCH
 143 #endif
 144
 145 /* For VM/CMS and MVS, we do not (yet) have any support to switch terminal
 146  * input echo on and off. The following "fake" definitions allow inclusion
 147  * of crypt support and UnZip's "pause prompting" features, but without
 148  * any echo suppression.
 149  */
 150 #ifdef CMS_MVS
 151 #  define echoff(f)
 152 #  define echon()
 153 #endif
 154
 155 #ifdef TANDEM
 156 #  define echoff(f)
 157 #  define echon()
 158 #  define getch() zgetch() /* defined in TANDEMC */
 159 #  define HAVE_WORKING_GETCH
 160 #endif
 161
 162 /* The THEOS C runtime library supplies the function conmask() to toggle
 163  * terminal input echo on (conmask("e")) and off (conmask("n")).  But,
 164  * since THEOS C RTL also contains a working non-echo getch() function,
 165  * the echo toggles are not needed.
 166  */
 167 #ifdef THEOS
 168 #  define echoff(f)
 169 #  define echon()
 170 #  define HAVE_WORKING_GETCH
 171 #endif
 172
 173 /* VMS has a single echo() function in ttyio.c to toggle terminal
 174  * input echo on and off.
 175  */
 176 #ifdef VMS
 177 #  define echoff(f)  echo(0)
 178 #  define echon()    echo(1)
 179 #  define getch()    tt_getch()
 180 #  define FGETCH(f)  tt_getch()
 181    int echo OF((int));
 182    int tt_getch OF((void));
 183 #endif
 184
 185 /* For all other systems, ttyio.c supplies the two functions Echoff() and
 186  * Echon() for suppressing and (re)enabling console input echo.
 187  */
 188 #ifndef echoff
 189 #  define echoff(f)  Echoff(__G__ f)
 190 #  define echon()    Echon(__G)
 191    void Echoff OF((__GPRO__ int f));
 192    void Echon OF((__GPRO));
 193 #endif
 194
 195 /* this stuff is used by MORE and also now by the ctrl-S code; fileio.c only */
 196 #if (defined(UNZIP) && !defined(FUNZIP))
 197 #  ifdef HAVE_WORKING_GETCH
 198 #    define FGETCH(f)  getch()
 199 #  endif
 200 #  ifndef FGETCH
 201      /* default for all systems where no getch()-like function is available */
 202      int zgetch OF((__GPRO__ int f));
 203 #    define FGETCH(f)  zgetch(__G__ f)
 204 #  endif
 205 #endif /* UNZIP && !FUNZIP */
 206
 207 #if (CRYPT && !defined(WINDLL))
 208    char *getp OF((__GPRO__ ZCONST char *m, char *p, int n));
 209 #endif
 210
 211 #else /* !(CRYPT || (UNZIP && !FUNZIP)) */
 212
 213 /*
 214  * No need for non-echo keyboard/console input; provide dummy definitions.
 215  */
 216 #define echoff(f)
 217 #define echon()
 218
 219 #endif /* ?(CRYPT || (UNZIP && !FUNZIP)) */
 220
 221 #endif /* !__ttyio_h */