version 1.39, 2009/12/31 15:32:36
|
version 1.44, 2012/07/22 22:24:50
|
Line 1
|
Line 1
|
/* direct key io driver |
/* direct key io driver |
|
|
Copyright (C) 1995,1996,1997,1998,1999,2002,2003,2006,2007,2008,2009 Free Software Foundation, Inc. |
Copyright (C) 1995,1996,1997,1998,1999,2002,2003,2006,2007,2008,2009,2010 Free Software Foundation, Inc. |
|
|
This file is part of Gforth. |
This file is part of Gforth. |
|
|
Line 55 typedef unsigned int uint32_t;
|
Line 55 typedef unsigned int uint32_t;
|
#include "io.h" |
#include "io.h" |
|
|
#ifndef MSDOS |
#ifndef MSDOS |
|
#include <poll.h> |
#if defined (__GNUC__) |
#if defined (__GNUC__) |
# define alloca __builtin_alloca |
# define alloca __builtin_alloca |
#else |
#else |
Line 447 void deprep_terminal ()
|
Line 448 void deprep_terminal ()
|
#define VTIME VEOL |
#define VTIME VEOL |
#endif |
#endif |
|
|
#include <locale.h> |
|
|
|
void prep_terminal () |
void prep_terminal () |
{ |
{ |
int tty = fileno (stdin); |
int tty = fileno (stdin); |
Line 474 void prep_terminal ()
|
Line 473 void prep_terminal ()
|
return; /* added by MdG */ |
return; /* added by MdG */ |
} /* added by MdG */ |
} /* added by MdG */ |
|
|
setlocale(LC_ALL, ""); |
|
setlocale(LC_NUMERIC, "C"); |
|
|
|
/* Try to keep this function from being INTerrupted. We can do it |
/* Try to keep this function from being INTerrupted. We can do it |
on POSIX and systems with BSD-like signal handling. */ |
on POSIX and systems with BSD-like signal handling. */ |
#if defined (HAVE_POSIX_SIGNALS) |
#if defined (HAVE_POSIX_SIGNALS) |
Line 668 int gf_ungottenc(FILE *stream)
|
Line 664 int gf_ungottenc(FILE *stream)
|
long key_avail (FILE *stream) |
long key_avail (FILE *stream) |
{ |
{ |
int tty = fileno (stream); |
int tty = fileno (stream); |
fd_set selin; |
struct pollfd fds = { tty, POLLIN, 0 }; |
static struct timeval now = { 0 , 0 }; |
|
int chars_avail; |
int chars_avail; |
|
|
if (gf_ungottenc(stream)) |
if (gf_ungottenc(stream)) |
Line 678 long key_avail (FILE *stream)
|
Line 673 long key_avail (FILE *stream)
|
if(!terminal_prepped && stream == stdin) |
if(!terminal_prepped && stream == stdin) |
prep_terminal(); |
prep_terminal(); |
|
|
FD_ZERO(&selin); |
#if defined(FIONREAD) && !defined(_WIN32) |
FD_SET(tty, &selin); |
if(isatty (tty)) { |
chars_avail = select(1, &selin, NULL, NULL, &now); |
int result = ioctl (tty, FIONREAD, &chars_avail); |
|
} else |
|
#endif |
|
{ |
|
chars_avail = poll(&fds, 1, 0); |
|
} |
|
#ifndef __ANDROID__ |
if (chars_avail > 0) { |
if (chars_avail > 0) { |
/* getc won't block */ |
/* getc won't block */ |
int c = getc(stream); |
int c = getc(stream); |
Line 688 long key_avail (FILE *stream)
|
Line 689 long key_avail (FILE *stream)
|
return 0; |
return 0; |
gf_ungetc(c, stream); |
gf_ungetc(c, stream); |
} |
} |
|
#endif |
return (chars_avail == -1) ? 0 : chars_avail; |
return (chars_avail == -1) ? 0 : chars_avail; |
} |
} |
|
|