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* view.c (is_nroff_sequence): Reordered the statements to gain

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a speed-off of 30 percent on a 10 MB file.
This commit is contained in:
Roland Illig 2005-06-27 21:34:36 +00:00
parent f10fe35005
commit 1300633147
2 changed files with 19 additions and 7 deletions
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5
src/ChangeLog
View File

@ -1,3 +1,8 @@
2005-06-27 Roland Illig <roland.illig@gmx.de>
* view.c (is_nroff_sequence): Reordered the statements to gain
a speed-off of 30 percent on a 10 MB file.
2005-06-22 Pavel Tsekov <ptsekov@gmx.net>
* main.h: Export edit_one_file.

21
src/view.c
View File

@ -781,16 +781,23 @@ view_ccache_dump (WView *view)
static gboolean
is_nroff_sequence (WView *view, offset_type offset)
{
int c0, c1, c2, retval;
int c0, c1, c2;
/* The following commands are ordered to speed up the calculation. */
c1 = get_byte_indexed (view, offset, 1);
if (c1 == -1 || c1 != '\b')
return FALSE;
c0 = get_byte_indexed (view, offset, 0);
c1 = get_byte_indexed (view, offset, 1);
c2 = get_byte_indexed (view, offset, 2);
if (c0 == -1 || !is_printable(c0))
return FALSE;
retval = (c0 != -1 && c1 != -1 && c2 != -1
&& is_printable (c0) && c1 == '\b' && is_printable (c2)
&& (c0 == c2 || c0 == '_' || (c0 == '+' && c2 == 'o')));
return retval;
c2 = get_byte_indexed (view, offset, 2);
if (c2 == -1 || !is_printable(c2))
return FALSE;
return (c0 == c2 || c0 == '_' || (c0 == '+' && c2 == 'o'));
}
/* Look up the missing components of ''coord'', which are given by