# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1338694375 -10800
# Node ID 942eea564b1597059269607ed0ea5a63aa6fef71
# Parent  f71c59cbc5a7ce46cf19dcb2133470020834d7e2
Fix backbuffer offset manipulation, prevents a segfault.

diff -r f71c59cbc5a7 -r 942eea564b15 main.c
--- a/main.c	Sun Jun 03 06:32:18 2012 +0300
+++ b/main.c	Sun Jun 03 06:32:55 2012 +0300
@@ -1076,7 +1076,6 @@
     char *tmp;
 
     // Trim right side
-    if (bufLen > 0) buf[--bufLen] = 0;
     while (bufLen > 0 && th_isspace(buf[bufLen - 1]))
         buf[--bufLen] = 0;
 
@@ -1772,7 +1771,6 @@
                         histBuf[1] = nn_editbuf_copy(editBuf);
                         if (histMax < SET_MAX_HISTORY) histMax++;
 
-                        nn_editbuf_insert(editBuf, editBuf->len, 0);
                         result = nn_handle_input(conn, editBuf->data, editBuf->len);
 
                         nn_editbuf_clear(editBuf);
@@ -1895,14 +1893,14 @@
                     // Page Up / Page Down
                     if (currWin != NULL)
                     {
-                        int oldPos = currWin->pos;
+                        int oldPos = currWin->pos, page = scrHeight - 4;
 
-                        currWin->pos += (c == KEY_NPAGE) ? -10 : +10;
+                        currWin->pos += (c == KEY_NPAGE) ? - page : page;
 
+                        if (currWin->pos >= currWin->data->n - page)
+                            currWin->pos = currWin->data->n - page;
                         if (currWin->pos < 0)
                             currWin->pos = 0;
-                        else if (currWin->pos >= currWin->data->n - 10)
-                            currWin->pos = currWin->data->n - 10;
 
                         if (oldPos != currWin->pos)
                             update = TRUE;
diff -r f71c59cbc5a7 -r 942eea564b15 ui.h
--- a/ui.h	Sun Jun 03 06:32:18 2012 +0300
+++ b/ui.h	Sun Jun 03 06:32:55 2012 +0300
@@ -45,6 +45,7 @@
 
 extern nn_window_t *currWin;
 extern BOOL cursesInit;
+extern int scrHeight, scrWidth;
 
 BOOL           nnwin_init(int delay);
 void           nnwin_shutdown();