Add Info-ZIP unzip.com

third_party/unzip/ttyio.h

@@ -0,0 +1,225 @@
+// clang-format off
+/*
+  Copyright (c) 1990-2004 Info-ZIP.  All rights reserved.
+
+  See the accompanying file LICENSE, version 2000-Apr-09 or later
+  (the contents of which are also included in zip.h) for terms of use.
+  If, for some reason, all these files are missing, the Info-ZIP license
+  also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html
+*/
+/*
+   ttyio.h
+ */
+
+#ifndef __ttyio_h   /* don't include more than once */
+#define __ttyio_h
+
+#ifndef __crypt_h
+#include "third_party/unzip/crypt.h"  /* ensure that encryption header file has been seen */
+#endif
+
+#if (CRYPT || (defined(UNZIP) && !defined(FUNZIP)))
+/*
+ * Non-echo keyboard/console input support is needed and enabled.
+ */
+
+#ifndef __G         /* UnZip only, for now (DLL stuff) */
+#  define __G
+#  define __G__
+#  define __GDEF
+#  define __GPRO    void
+#  define __GPRO__
+#endif
+
+#ifndef ZCONST      /* UnZip only (until have configure script like Zip) */
+#  define ZCONST const
+#endif
+
+#if (defined(MSDOS) || defined(OS2) || defined(WIN32))
+#  ifndef DOS_OS2_W32
+#    define DOS_OS2_W32
+#  endif
+#endif
+
+#if (defined(DOS_OS2_W32) || defined(__human68k__))
+#  ifndef DOS_H68_OS2_W32
+#    define DOS_H68_OS2_W32
+#  endif
+#endif
+
+#if (defined(DOS_OS2_W32) || defined(FLEXOS))
+#  ifndef DOS_FLX_OS2_W32
+#    define DOS_FLX_OS2_W32
+#  endif
+#endif
+
+#if (defined(DOS_H68_OS2_W32) || defined(FLEXOS))
+#  ifndef DOS_FLX_H68_OS2_W32
+#    define DOS_FLX_H68_OS2_W32
+#  endif
+#endif
+
+#if (defined(__ATHEOS__) || defined(__BEOS__) || defined(UNIX))
+#  ifndef ATH_BEO_UNX
+#    define ATH_BEO_UNX
+#  endif
+#endif
+
+#if (defined(VM_CMS) || defined(MVS))
+#  ifndef CMS_MVS
+#    define CMS_MVS
+#  endif
+#endif
+
+
+/* Function prototypes */
+
+/* The following systems supply a `non-echo' character input function "getch()"
+ * (or an alias) and do not need the echoff() / echon() function pair.
+ */
+#ifdef AMIGA
+#  define echoff(f)
+#  define echon()
+#  define getch() Agetch()
+#  define HAVE_WORKING_GETCH
+#endif /* AMIGA */
+
+#ifdef ATARI
+#  define echoff(f)
+#  define echon()
+#  define getch() (Cnecin() & 0x000000ff)
+#  define HAVE_WORKING_GETCH
+#endif
+
+#ifdef MACOS
+#  define echoff(f)
+#  define echon()
+#  define getch() macgetch()
+#  define HAVE_WORKING_GETCH
+#endif
+
+#ifdef NLM
+#  define echoff(f)
+#  define echon()
+#  define HAVE_WORKING_GETCH
+#endif
+
+#ifdef QDOS
+#  define echoff(f)
+#  define echon()
+#  define HAVE_WORKING_GETCH
+#endif
+
+#ifdef RISCOS
+#  define echoff(f)
+#  define echon()
+#  define getch() SWI_OS_ReadC()
+#  define HAVE_WORKING_GETCH
+#endif
+
+#ifdef DOS_H68_OS2_W32
+#  define echoff(f)
+#  define echon()
+#  ifdef WIN32
+#    ifndef getch
+#      define getch() getch_win32()
+#    endif
+#  else /* !WIN32 */
+#    ifdef __EMX__
+#      ifndef getch
+#        define getch() _read_kbd(0, 1, 0)
+#      endif
+#    else /* !__EMX__ */
+#      ifdef __GO32__
+#        define getch() getkey()
+#      else /* !__GO32__ */
+#      endif /* ?__GO32__ */
+#    endif /* ?__EMX__ */
+#  endif /* ?WIN32 */
+#  define HAVE_WORKING_GETCH
+#endif /* DOS_H68_OS2_W32 */
+
+#ifdef FLEXOS
+#  define echoff(f)
+#  define echon()
+#  define getch() getchar() /* not correct, but may not be on a console */
+#  define HAVE_WORKING_GETCH
+#endif
+
+/* For VM/CMS and MVS, we do not (yet) have any support to switch terminal
+ * input echo on and off. The following "fake" definitions allow inclusion
+ * of crypt support and UnZip's "pause prompting" features, but without
+ * any echo suppression.
+ */
+#ifdef CMS_MVS
+#  define echoff(f)
+#  define echon()
+#endif
+
+#ifdef TANDEM
+#  define echoff(f)
+#  define echon()
+#  define getch() zgetch() /* defined in TANDEMC */
+#  define HAVE_WORKING_GETCH
+#endif
+
+/* The THEOS C runtime library supplies the function conmask() to toggle
+ * terminal input echo on (conmask("e")) and off (conmask("n")).  But,
+ * since THEOS C RTL also contains a working non-echo getch() function,
+ * the echo toggles are not needed.
+ */
+#ifdef THEOS
+#  define echoff(f)
+#  define echon()
+#  define HAVE_WORKING_GETCH
+#endif
+
+/* VMS has a single echo() function in ttyio.c to toggle terminal
+ * input echo on and off.
+ */
+#ifdef VMS
+#  define echoff(f)  echo(0)
+#  define echon()    echo(1)
+#  define getch()    tt_getch()
+#  define FGETCH(f)  tt_getch()
+   int echo OF((int));
+   int tt_getch OF((void));
+#endif
+
+/* For all other systems, ttyio.c supplies the two functions Echoff() and
+ * Echon() for suppressing and (re)enabling console input echo.
+ */
+#ifndef echoff
+#  define echoff(f)  Echoff(__G__ f)
+#  define echon()    Echon(__G)
+   void Echoff OF((__GPRO__ int f));
+   void Echon OF((__GPRO));
+#endif
+
+/* this stuff is used by MORE and also now by the ctrl-S code; fileio.c only */
+#if (defined(UNZIP) && !defined(FUNZIP))
+#  ifdef HAVE_WORKING_GETCH
+#    define FGETCH(f)  getch()
+#  endif
+#  ifndef FGETCH
+     /* default for all systems where no getch()-like function is available */
+     int zgetch OF((__GPRO__ int f));
+#    define FGETCH(f)  zgetch(__G__ f)
+#  endif
+#endif /* UNZIP && !FUNZIP */
+
+#if (CRYPT && !defined(WINDLL))
+   char *getp OF((__GPRO__ ZCONST char *m, char *p, int n));
+#endif
+
+#else /* !(CRYPT || (UNZIP && !FUNZIP)) */
+
+/*
+ * No need for non-echo keyboard/console input; provide dummy definitions.
+ */
+#define echoff(f)
+#define echon()
+
+#endif /* ?(CRYPT || (UNZIP && !FUNZIP)) */
+
+#endif /* !__ttyio_h */