diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/fe-text/gui-windows.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/fe-text/gui-windows.c b/src/fe-text/gui-windows.c index 2a02dff2..a08c2612 100644 --- a/src/fe-text/gui-windows.c +++ b/src/fe-text/gui-windows.c @@ -207,6 +207,8 @@ void gui_window_newline(GUI_WINDOW_REC *gui, int visible) int lines; g_return_if_fail(gui != NULL); + g_return_if_fail(gui->bottom_startline != NULL); + g_return_if_fail(gui->startline != NULL); gui->xpos = 0; @@ -220,7 +222,10 @@ void gui_window_newline(GUI_WINDOW_REC *gui, int visible) lines = gui_window_get_linecount(gui, gui->startline->data); if (gui->subline >= lines) { /* after screen gets full after /CLEAR we end up here.. */ - gui->startline = gui->startline->next; + if (gui->startline->next == NULL) + g_warning("gui_window_newline(): bug #1"); + else + gui->startline = gui->startline->next; gui->subline = 0; } @@ -253,7 +258,10 @@ void gui_window_newline(GUI_WINDOW_REC *gui, int visible) if (lines > 1+gui->subline) gui->subline++; else { - gui->startline = gui->startline->next; + if (gui->startline->next == NULL) + g_warning("gui_window_newline(): bug #2"); + else + gui->startline = gui->startline->next; gui->subline = 0; } @@ -646,6 +654,10 @@ static void gui_window_scroll_down(GUI_WINDOW_REC *gui, int lines) break; } + if (gui->startline->next == NULL) { + g_warning("gui_window_scroll_down(): bug"); + break; + } gui->startline = gui->startline->next; } |