string.c: Fix typos in comment.

[paraslash.git] / interactive.c

diff --git a/interactive.c b/interactive.c
index b72148cc41df54e79f0da53bd4853ba979674a0c..190cdf295130a2d711074e7c5f5927174b312076 100644 (file)
--- a/interactive.c
+++ b/interactive.c
@@ -1,8 +1,4 @@
-/*
- * Copyright (C) 2011 Andre Noll <maan@tuebingen.mpg.de>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2011 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
 
 /** \file interactive.c Readline abstraction for interactive sessions. */
 
@@ -38,6 +34,7 @@ struct i9e_private {
        bool caught_sigterm;
        Keymap standard_km;
        Keymap bare_km;
+       int fd_flags[2];
 };
 static struct i9e_private i9e_private, *i9ep = &i9e_private;
 
@@ -205,26 +202,7 @@ void i9e_attach_to_stdout(struct btr_node *producer)
 
 static void wipe_bottom_line(void)
 {
-       char x[] = "          ";
-       int n = i9ep->num_columns;
-
-       /*
-        * For reasons beyond my understanding, writing more than 68 characters
-        * here causes MacOS to mess up the terminal. Writing a line of spaces
-        * in smaller chunks works fine though. Weird.
-        */
-       fprintf(i9ep->stderr_stream, "\r");
-       while (n > 0) {
-               if (n >= sizeof(x)) {
-                       fprintf(i9ep->stderr_stream, "%s", x);
-                       n -= sizeof(x);
-                       continue;
-               }
-               x[n] = '\0';
-               fprintf(i9ep->stderr_stream, "%s", x);
-               break;
-       }
-       fprintf(i9ep->stderr_stream, "\r");
+       fprintf(i9ep->stderr_stream, "\r%s\r", i9ep->empty_line);
 }
 
 #ifndef RL_FREE_KEYMAP_DECLARED
@@ -254,6 +232,8 @@ void i9e_close(void)
        if (hf)
                write_history(hf);
        wipe_bottom_line();
+       fcntl(i9ep->ici->fds[0], F_SETFL, i9ep->fd_flags[0]);
+       fcntl(i9ep->ici->fds[1], F_SETFL, i9ep->fd_flags[1]);
 }
 
 static void clear_bottom_line(void)
@@ -476,6 +456,14 @@ int i9e_open(struct i9e_client_info *ici, struct sched *s)
        memset(i9ep, 0, sizeof(struct i9e_private));
        if (!isatty(ici->fds[0]))
                return -E_I9E_SETUPTERM;
+       ret = fcntl(ici->fds[0], F_GETFL);
+       if (ret < 0)
+               return -E_I9E_SETUPTERM;
+       i9ep->fd_flags[0] = ret;
+       ret = fcntl(ici->fds[1], F_GETFL);
+       if (ret < 0)
+               return -E_I9E_SETUPTERM;
+       i9ep->fd_flags[1] = ret;
        ret = mark_fd_nonblocking(ici->fds[0]);
        if (ret < 0)
                return ret;