X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fui%2Fterminal%2Fterminal-reader.c;h=2f11279bf428af8b24a63902ef71f1db8bf83328;hb=37e80366f1930cd7043a79e0dcb1dfd282f678d3;hp=a3f33e725589a005f4b4d92a115d119e327614b4;hpb=41a628f070c7a0d2e9468308cb1bf4ff77de9900;p=pspp

diff --git a/src/ui/terminal/terminal-reader.c b/src/ui/terminal/terminal-reader.c
index a3f33e7255..2f11279bf4 100644
--- a/src/ui/terminal/terminal-reader.c
+++ b/src/ui/terminal/terminal-reader.c
@@ -26,6 +26,7 @@
 #if HAVE_READLINE
 #include <readline/readline.h>
 #include <readline/history.h>
+#include <termios.h>
 
 static char *history_file;
 
@@ -107,6 +108,38 @@ terminal_reader_cast (struct lex_reader *r)
   return UP_CAST (r, struct terminal_reader, reader);
 }
 
+/* Older libreadline versions do not provide rl_outstream.
+   However, it is almost always going to be the same as stdout. */
+#if ! HAVE_RL_OUTSTREAM
+# define rl_outstream stdout
+#endif
+
+/* Similarly, rl_echo_signal_char is fairly recent.
+   We provide our own crude version if it is not present. */
+#if ! HAVE_RL_ECHO_SIGNAL_CHAR
+static void
+rl_echo_signal_char (int sig)
+{
+#if HAVE_TERMIOS_H
+  struct termios t;
+  if (0 == tcgetattr (0, &t))
+    {
+      cc_t c = t.c_cc[VINTR];
+  
+      if (c >= 0  && c <= 'Z' - 'A')
+	fprintf (rl_outstream, "^%c", 'A' + c - 1);
+      else
+	fprintf (rl_outstream, "%c", c);
+    }
+  else
+#endif
+    fprintf (rl_outstream, "^C");
+
+  fflush (rl_outstream);
+}  
+#endif
+
+
 static size_t
 terminal_reader_read (struct lex_reader *r_, char *buf, size_t n,
                       enum prompt_style prompt_style)
@@ -177,7 +210,7 @@ terminal_reader_create (void)
   r = xzalloc (sizeof *r);
   r->reader.class = &terminal_reader_class;
   r->reader.syntax = LEX_SYNTAX_INTERACTIVE;
-  r->reader.error = LEX_ERROR_INTERACTIVE;
+  r->reader.error = LEX_ERROR_TERMINAL;
   r->reader.file_name = NULL;
   r->s = ss_empty ();
   r->offset = 0;