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-rw-r--r--contrib/libreadline/examples/rlptytest.c337
1 files changed, 0 insertions, 337 deletions
diff --git a/contrib/libreadline/examples/rlptytest.c b/contrib/libreadline/examples/rlptytest.c
deleted file mode 100644
index 79257db4005f9..0000000000000
--- a/contrib/libreadline/examples/rlptytest.c
+++ /dev/null
@@ -1,337 +0,0 @@
-/*
- *
- * Another test harness for the readline callback interface.
- *
- * Author: Bob Rossi <bob@brasko.net>
- */
-
-#if defined (HAVE_CONFIG_H)
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <errno.h>
-#include <curses.h>
-
-#include <stdlib.h>
-#include <unistd.h>
-
-#include <signal.h>
-
-#if 0 /* LINUX */
-#include <pty.h>
-#else
-#include <util.h>
-#endif
-
-#ifdef READLINE_LIBRARY
-# include "readline.h"
-#else
-# include <readline/readline.h>
-#endif
-
-/**
- * Master/Slave PTY used to keep readline off of stdin/stdout.
- */
-static int masterfd = -1;
-static int slavefd;
-
-void
-sigint (s)
- int s;
-{
- tty_reset (STDIN_FILENO);
- close (masterfd);
- close (slavefd);
- printf ("\n");
- exit (0);
-}
-
-static int
-user_input()
-{
- int size;
- const int MAX = 1024;
- char *buf = (char *)malloc(MAX+1);
-
- size = read (STDIN_FILENO, buf, MAX);
- if (size == -1)
- return -1;
-
- size = write (masterfd, buf, size);
- if (size == -1)
- return -1;
-
- return 0;
-}
-
-static int
-readline_input()
-{
- const int MAX = 1024;
- char *buf = (char *)malloc(MAX+1);
- int size;
-
- size = read (masterfd, buf, MAX);
- if (size == -1)
- {
- free( buf );
- buf = NULL;
- return -1;
- }
-
- buf[size] = 0;
-
- /* Display output from readline */
- if ( size > 0 )
- fprintf(stderr, "%s", buf);
-
- free( buf );
- buf = NULL;
- return 0;
-}
-
-static void
-rlctx_send_user_command(char *line)
-{
- /* This happens when rl_callback_read_char gets EOF */
- if ( line == NULL )
- return;
-
- if (strcmp (line, "exit") == 0) {
- tty_reset (STDIN_FILENO);
- close (masterfd);
- close (slavefd);
- printf ("\n");
- exit (0);
- }
-
- /* Don't add the enter command */
- if ( line && *line != '\0' )
- add_history(line);
-}
-
-static void
-custom_deprep_term_function ()
-{
-}
-
-static int
-init_readline (int inputfd, int outputfd)
-{
- FILE *inputFILE, *outputFILE;
-
- inputFILE = fdopen (inputfd, "r");
- if (!inputFILE)
- return -1;
-
- outputFILE = fdopen (outputfd, "w");
- if (!outputFILE)
- return -1;
-
- rl_instream = inputFILE;
- rl_outstream = outputFILE;
-
- /* Tell readline what the prompt is if it needs to put it back */
- rl_callback_handler_install("(rltest): ", rlctx_send_user_command);
-
- /* Set the terminal type to dumb so the output of readline can be
- * understood by tgdb */
- if ( rl_reset_terminal("dumb") == -1 )
- return -1;
-
- /* For some reason, readline can not deprep the terminal.
- * However, it doesn't matter because no other application is working on
- * the terminal besides readline */
- rl_deprep_term_function = custom_deprep_term_function;
-
- using_history();
- read_history(".history");
-
- return 0;
-}
-
-static int
-main_loop(void)
-{
- fd_set rset;
- int max;
-
- max = (masterfd > STDIN_FILENO) ? masterfd : STDIN_FILENO;
- max = (max > slavefd) ? max : slavefd;
-
- for (;;)
- {
- /* Reset the fd_set, and watch for input from GDB or stdin */
- FD_ZERO(&rset);
-
- FD_SET(STDIN_FILENO, &rset);
- FD_SET(slavefd, &rset);
- FD_SET(masterfd, &rset);
-
- /* Wait for input */
- if (select(max + 1, &rset, NULL, NULL, NULL) == -1)
- {
- if (errno == EINTR)
- continue;
- else
- return -1;
- }
-
- /* Input received through the pty: Handle it
- * Wrote to masterfd, slave fd has that input, alert readline to read it.
- */
- if (FD_ISSET(slavefd, &rset))
- rl_callback_read_char();
-
- /* Input received through the pty.
- * Readline read from slavefd, and it wrote to the masterfd.
- */
- if (FD_ISSET(masterfd, &rset))
- if ( readline_input() == -1 )
- return -1;
-
- /* Input received: Handle it, write to masterfd (input to readline) */
- if (FD_ISSET(STDIN_FILENO, &rset))
- if ( user_input() == -1 )
- return -1;
- }
-
- return 0;
-}
-
-/* The terminal attributes before calling tty_cbreak */
-static struct termios save_termios;
-static struct winsize size;
-static enum { RESET, TCBREAK } ttystate = RESET;
-
-/* tty_cbreak: Sets terminal to cbreak mode. Also known as noncanonical mode.
- * 1. Signal handling is still turned on, so the user can still type those.
- * 2. echo is off
- * 3. Read in one char at a time.
- *
- * fd - The file descriptor of the terminal
- *
- * Returns: 0 on sucess, -1 on error
- */
-int tty_cbreak(int fd){
- struct termios buf;
- int ttysavefd = -1;
-
- if(tcgetattr(fd, &save_termios) < 0)
- return -1;
-
- buf = save_termios;
- buf.c_lflag &= ~(ECHO | ICANON);
- buf.c_iflag &= ~(ICRNL | INLCR);
- buf.c_cc[VMIN] = 1;
- buf.c_cc[VTIME] = 0;
-
-#if defined (VLNEXT) && defined (_POSIX_VDISABLE)
- buf.c_cc[VLNEXT] = _POSIX_VDISABLE;
-#endif
-
-#if defined (VDSUSP) && defined (_POSIX_VDISABLE)
- buf.c_cc[VDSUSP] = _POSIX_VDISABLE;
-#endif
-
- /* enable flow control; only stty start char can restart output */
-#if 0
- buf.c_iflag |= (IXON|IXOFF);
-#ifdef IXANY
- buf.c_iflag &= ~IXANY;
-#endif
-#endif
-
- /* disable flow control; let ^S and ^Q through to pty */
- buf.c_iflag &= ~(IXON|IXOFF);
-#ifdef IXANY
- buf.c_iflag &= ~IXANY;
-#endif
-
- if(tcsetattr(fd, TCSAFLUSH, &buf) < 0)
- return -1;
-
- ttystate = TCBREAK;
- ttysavefd = fd;
-
- /* set size */
- if(ioctl(fd, TIOCGWINSZ, (char *)&size) < 0)
- return -1;
-
-#ifdef DEBUG
- err_msg("%d rows and %d cols\n", size.ws_row, size.ws_col);
-#endif
-
- return (0);
-}
-
-int
-tty_off_xon_xoff (int fd)
-{
- struct termios buf;
- int ttysavefd = -1;
-
- if(tcgetattr(fd, &buf) < 0)
- return -1;
-
- buf.c_iflag &= ~(IXON|IXOFF);
-
- if(tcsetattr(fd, TCSAFLUSH, &buf) < 0)
- return -1;
-
- return 0;
-}
-
-/* tty_reset: Sets the terminal attributes back to their previous state.
- * PRE: tty_cbreak must have already been called.
- *
- * fd - The file descrioptor of the terminal to reset.
- *
- * Returns: 0 on success, -1 on error
- */
-int tty_reset(int fd)
-{
- if(ttystate != TCBREAK)
- return (0);
-
- if(tcsetattr(fd, TCSAFLUSH, &save_termios) < 0)
- return (-1);
-
- ttystate = RESET;
-
- return 0;
-}
-
-int
-main()
-{
- int val;
- val = openpty (&masterfd, &slavefd, NULL, NULL, NULL);
- if (val == -1)
- return -1;
-
- val = tty_off_xon_xoff (masterfd);
- if (val == -1)
- return -1;
-
- val = init_readline (slavefd, slavefd);
- if (val == -1)
- return -1;
-
- val = tty_cbreak (STDIN_FILENO);
- if (val == -1)
- return -1;
-
- signal (SIGINT, sigint);
-
- val = main_loop ();
-
- tty_reset (STDIN_FILENO);
-
- if (val == -1)
- return -1;
-
- return 0;
-}
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