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authorDaniel Jacobowitz <drow@false.org>2006-05-05 18:26:14 +0000
committerDaniel Jacobowitz <drow@false.org>2006-05-05 18:26:14 +0000
commit5bdf8622148be4764cc0757fd5b3e41f4d73b2b2 (patch)
treeec69331983824d95160ec9a14f71d6bccd23ed42 /readline/input.c
parent7f8411279d59ee620d1e2e153329c0bd47c4ca86 (diff)
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Readline 5.1 import for HEAD.
Diffstat (limited to 'readline/input.c')
-rw-r--r--readline/input.c56
1 files changed, 48 insertions, 8 deletions
diff --git a/readline/input.c b/readline/input.c
index 9120dfa..9f89053 100644
--- a/readline/input.c
+++ b/readline/input.c
@@ -1,6 +1,6 @@
/* input.c -- character input functions for readline. */
-/* Copyright (C) 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1994-2005 Free Software Foundation, Inc.
This file is part of the GNU Readline Library, a library for
reading lines of text with interactive input and history editing.
@@ -21,6 +21,10 @@
59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#define READLINE_LIBRARY
+#if defined (__TANDEM)
+# include <floss.h>
+#endif
+
#if defined (HAVE_CONFIG_H)
# include <config.h>
#endif
@@ -154,6 +158,12 @@ _rl_unget_char (key)
return (0);
}
+int
+_rl_pushed_input_available ()
+{
+ return (push_index != pop_index);
+}
+
/* If a character is available to be read, then read it and stuff it into
IBUFFER. Otherwise, just return. Returns number of characters read
(0 if none available) and -1 on error (EIO). */
@@ -162,7 +172,7 @@ rl_gather_tyi ()
{
int tty;
register int tem, result;
- int chars_avail;
+ int chars_avail, k;
char input;
#if defined(HAVE_SELECT)
fd_set readfds, exceptfds;
@@ -202,9 +212,24 @@ rl_gather_tyi ()
fcntl (tty, F_SETFL, tem);
if (chars_avail == -1 && errno == EAGAIN)
return 0;
+ if (chars_avail == 0) /* EOF */
+ {
+ rl_stuff_char (EOF);
+ return (0);
+ }
}
#endif /* O_NDELAY */
+#if defined (__MINGW32__)
+ /* We use getch to read console input, so use the same
+ mechanism to check for more. Otherwise, we don't know. */
+ if (isatty (fileno (rl_instream)))
+ chars_avail = _kbhit ();
+ else
+ chars_avail = 0;
+ result = 0;
+#endif
+
/* If there's nothing available, don't waste time trying to read
something. */
if (chars_avail <= 0)
@@ -225,7 +250,12 @@ rl_gather_tyi ()
if (result != -1)
{
while (chars_avail--)
- rl_stuff_char ((*rl_getc_function) (rl_instream));
+ {
+ k = (*rl_getc_function) (rl_instream);
+ rl_stuff_char (k);
+ if (k == NEWLINE || k == RETURN)
+ break;
+ }
}
else
{
@@ -285,6 +315,13 @@ _rl_input_available ()
#endif
+#if defined (__MINGW32__)
+ /* We use getch to read console input, so use the same
+ mechanism to check for more. Otherwise, we don't know. */
+ if (isatty (fileno (rl_instream)))
+ return _kbhit ();
+#endif
+
return 0;
}
@@ -424,12 +461,9 @@ rl_getc (stream)
while (1)
{
-#ifdef __MINGW32__
- /* On Windows, use a special routine to read a single character
- from the console. (Otherwise, no characters are available
- until the user hits the return key.) */
+#if defined (__MINGW32__)
if (isatty (fileno (stream)))
- return getch ();
+ return (getch ());
#endif
result = read (fileno (stream), &c, sizeof (unsigned char));
@@ -506,6 +540,12 @@ _rl_read_mbchar (mbchar, size)
ps = ps_back;
continue;
}
+ else if (mbchar_bytes_length == 0)
+ {
+ mbchar[0] = '\0'; /* null wide character */
+ mb_len = 1;
+ break;
+ }
else if (mbchar_bytes_length > (size_t)(0))
break;
}