The GNU Readline Library is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 1, or
+ as published by the Free Software Foundation; either version 2, or
(at your option) any later version.
The GNU Readline Library is distributed in the hope that it will be
The GNU General Public License is often shipped with GNU software, and
is generally kept in a file called COPYING or LICENSE. If you do not
have a copy of the license, write to the Free Software Foundation,
- 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
#if defined (READLINE_CALLBACKS)
#include <sys/types.h>
+
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#else
+# include "ansi_stdlib.h"
+#endif
+
#include <stdio.h>
/* System-specific feature definitions and include files. */
#include "rldefs.h"
#include "readline.h"
-
-extern void readline_internal_startup ();
-extern char *readline_internal_teardown ();
-extern int readline_internal_char ();
-
-extern int _rl_meta_flag;
-extern char *rl_prompt;
-extern int rl_visible_prompt_length;
+#include "rlprivate.h"
/* **************************************************************** */
/* */
things to handle at once, and dispatches them via select(). Call
rl_callback_handler_install() with the prompt and a function to call
whenever a complete line of input is ready. The user must then
- call readline_char() every time some input is available, and
- readline_char() will call the user's function with the complete text
- read in at each end of line. The terminal is kept prepped and signals
- handled all the time, except during calls to the user's function. */
+ call rl_callback_read_char() every time some input is available, and
+ rl_callback_read_char() will call the user's function with the complete
+ text read in at each end of line. The terminal is kept prepped and
+ signals handled all the time, except during calls to the user's function. */
-VFunction *rl_linefunc; /* user callback function */
+rl_vcpfunc_t *rl_linefunc; /* user callback function */
static int in_handler; /* terminal_prepped and signals set? */
/* Make sure the terminal is set up, initialize readline, and prompt. */
/* Install a readline handler, set up the terminal, and issue the prompt. */
void
rl_callback_handler_install (prompt, linefunc)
- char *prompt;
- VFunction *linefunc;
+ const char *prompt;
+ rl_vcpfunc_t *linefunc;
{
- rl_prompt = prompt;
- rl_visible_prompt_length = rl_prompt ? rl_expand_prompt (rl_prompt) : 0;
+ rl_set_prompt (prompt);
rl_linefunc = linefunc;
_rl_callback_newline ();
}
eof = readline_internal_char ();
- if (rl_done)
+ /* We loop in case some function has pushed input back with rl_execute_next. */
+ for (;;)
{
- line = readline_internal_teardown (eof);
+ if (rl_done)
+ {
+ line = readline_internal_teardown (eof);
- (*rl_deprep_term_function) ();
+ (*rl_deprep_term_function) ();
#if defined (HANDLE_SIGNALS)
- rl_clear_signals ();
+ rl_clear_signals ();
#endif
- in_handler = 0;
- (*rl_linefunc) (line);
-
- /* Redisplay the prompt if readline_handler_{install,remove} not called. */
- if (in_handler == 0 && rl_linefunc)
- _rl_callback_newline ();
+ in_handler = 0;
+ (*rl_linefunc) (line);
+
+ /* If the user did not clear out the line, do it for him. */
+ if (rl_line_buffer[0])
+ _rl_init_line_state ();
+
+ /* Redisplay the prompt if readline_handler_{install,remove}
+ not called. */
+ if (in_handler == 0 && rl_linefunc)
+ _rl_callback_newline ();
+ }
+ if (rl_pending_input || _rl_pushed_input_available ())
+ eof = readline_internal_char ();
+ else
+ break;
}
}