Changeset 3576 for trunk

Timestamp:

09/11/08 19:44:45 (2 months ago)

Author:

oxygene

Message:

makes cursorx and cursory signed, as there
are several "if (cursorx < 0)" tests.

I also added another one, to make backspace
wrap backwards into the previous line, if necessary.

Signed-off-by: Patrick Georgi <patrick.georgi@…>
Acked-by: Jordan Crouse <jordan.crouse@…>

Files:

• trunk/payloads/libpayload/drivers/video/video.c (modified) (3 diffs)

trunk/payloads/libpayload/drivers/video/video.c

@@ -52 +52 @@
 static struct video_console *console;
 
-static unsigned int cursorx;
-static unsigned int cursory;
+static int cursorx;
+static int cursory;
 static unsigned int cursor_enabled = 1;
 
@@ -123 +123 @@
         case '\b':
                 cursorx--;
+                if (cursorx < 0) {
+                        cursory--;
+                        cursorx = VIDEO_COLS;
+                }
                 break;
 
@@ -173 +177 @@
 
                         if (console->get_cursor)
-                                console->get_cursor(&cursorx, &cursory, &cursor_enabled);
+                                console->get_cursor((unsigned int*)&cursorx, (unsigned int*)&cursory, &cursor_enabled);
 
                         if (cursorx) {