Author: dumbbell
Date: Tue Nov 4 23:51:35 2014
New Revision: 274117
URL: https://svnweb.freebsd.org/changeset/base/274117
Log:
vt(4): Support syscons' SC_HISTORY_SIZE to configure history size
Therefore, to set histry size to 2000 lines, add the following line to
your kernel configuration file:
options SC_HISTORY_SIZE=2000
The default history remains at 500 lines.
MFC after: 1 week
Modified:
head/sys/dev/vt/vt.h
Modified: head/sys/dev/vt/vt.h
==============================================================================
--- head/sys/dev/vt/vt.h Tue Nov 4 23:46:01 2014 (r274116)
+++ head/sys/dev/vt/vt.h Tue Nov 4 23:51:35 2014 (r274117)
@@ -182,7 +182,6 @@ struct vt_buf {
#define VBF_SCROLL 0x8 /* scroll locked mode. */
#define VBF_HISTORY_FULL 0x10 /* All rows filled. */
unsigned int vb_history_size;
-#define VBF_DEFAULT_HISTORY_SIZE 500
int vb_roffset; /* (b) History rows offset. */
int vb_curroffset; /* (b) Saved rows offset. */
term_pos_t vb_cursor; /* (u) Cursor position. */
@@ -194,6 +193,12 @@ struct vt_buf {
term_char_t **vb_rows; /* (u) Array of rows */
};
+#ifdef SC_HISTORY_SIZE
+#define VBF_DEFAULT_HISTORY_SIZE SC_HISTORY_SIZE
+#else
+#define VBF_DEFAULT_HISTORY_SIZE 500
+#endif
+
void vtbuf_copy(struct vt_buf *, const term_rect_t *, const term_pos_t *);
void vtbuf_fill_locked(struct vt_buf *, const term_rect_t *, term_char_t);
void vtbuf_init_early(struct vt_buf *);
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