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Sync OpenBSD patchset 282:

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A few trivial optimisations: no need to check for zero size if calling
buffer_ensure in buffer.c; expand grid lines by a greater increase than one
each time; and don't read UTF-8 data unless it actually needs to be checked
when overwriting a cell.
This commit is contained in:
Tiago Cunha
2009-08-21 21:09:13 +00:00
parent 15556ad0d6
commit 4b883524d8
3 changed files with 23 additions and 18 deletions
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6
grid.c
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@@ -1,4 +1,4 @@
/* $Id: grid.c,v 1.30 2009-08-10 21:40:21 tcunha Exp $ */
/* $Id: grid.c,v 1.31 2009-08-21 21:09:13 tcunha Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -198,6 +198,10 @@ grid_expand_line(struct grid *gd, u_int py, u_int sx)
if (sx <= gl->cellsize)
return;
if (gl->cellsize > gd->sx / 2)
sx = gd->sx;
else
sx = 1 + gl->cellsize * 2;
gl->celldata = xrealloc(gl->celldata, sx, sizeof *gl->celldata);
for (xx = gl->cellsize; xx < sx; xx++)
grid_put_cell(gd, xx, py, &grid_default_cell);