Commit yaboot 1.3.0

[yaboot.git] / second / cmdline.c

diff --git a/second/cmdline.c b/second/cmdline.c
new file mode 100644 (file)
index 0000000..bf73024
--- /dev/null
+++ b/second/cmdline.c
@@ -0,0 +1,82 @@
+/* Prompt handling
+   
+   Copyright (C) 1996 Maurizio Plaza
+                1996 Jakub Jelinek
+   
+   This program 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 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "types.h"
+#include "stdarg.h"
+#include "prom.h"
+#include "string.h"
+#include "cfg.h"
+
+#define CMD_LENG       512
+char cbuff[CMD_LENG];
+char passwdbuff[CMD_LENG];
+extern int useconf;
+
+void cmdinit()
+{
+    cbuff[0] = 0;
+    passwdbuff[0] = 0;
+}
+
+void cmdedit (void (*tabfunc) (void), int password)
+{
+     int x, c;
+     char *buff = password ? passwdbuff : cbuff;
+     for (x = 0; x < CMD_LENG - 1; x++) {
+         if (buff[x] == 0)
+              break;
+         else if (password)
+              prom_printf("*");
+     }
+     if (!password)
+         prom_printf(buff, x);
+     
+     for (;;) {
+         c = prom_getchar ();
+         if (c == -1)
+              break;
+         if (c == '\n' || c == '\r') {
+              break;
+         }
+         if (c == '\t' && !x && tabfunc)
+              (*tabfunc) ();
+         if (c == '\b' || c == 0x7F) {
+              if (x > 0) {
+                   --x;
+                   buff[x] = 0;
+                   prom_printf("\b \b");
+              }
+         } else if ((c & 0xE0) != 0) {
+              if (x < CMD_LENG - 1) {
+                   buff[x] = c;
+                   buff[x + 1] = 0;
+                   if (password)
+                        prom_printf("*");
+                   else
+                        prom_printf(buff + x);
+                   x++;
+              }
+              if (x == 1 && !password && useconf) {
+                   if (cfg_get_flag (cbuff, "single-key"))
+                        break;
+              }
+         }
+     }
+     buff[x] = 0;
+}