Add some basic readline support.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1071 ec53bebd-3082-4978-b11e-865c3cabbd6b

appl/ftp/ftp/main.c

@@ -188,6 +188,28 @@ tail(filename)
 }
 */
 
+#ifndef HAVE_READLINE
+
+static char *
+readline(char *prompt)
+{
+    char buf[BUFSIZ];
+    printf ("%s", prompt);
+    fflush (stdout);
+    if(fgets(buf, sizeof(buf), stdin) == NULL)
+	return NULL;
+    if (buf[strlen(buf) - 1] == '\n')
+	buf[strlen(buf) - 1] = '\0';
+    return strdup(buf);
+}
+
+static void
+add_history(char *p)
+{
+}
+
+#endif
+
 /*
  * Command parser.
  */
@@ -201,11 +223,19 @@ cmdscanner(int top)
 	putchar('\n');
     for (;;) {
 	if (fromatty) {
-			printf("ftp> ");
-			fflush(stdout);
-		}
+	    char *p;
+	    p = readline("ftp> ");
+	    if(p == NULL)
+		quit(0, 0);
+	    strncpy(line, p, sizeof(line));
+	    line[sizeof(line) - 1] = 0;
+	    add_history(p);
+	    free(p);
+	} else{
 	    if (fgets(line, sizeof line, stdin) == NULL)
 		quit(0, 0);
+	}
+	/* XXX will break on long lines */
 	l = strlen(line);
 	if (l == 0)
 	    break;