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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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7
buffer.c
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@ -1,4 +1,4 @@
/* $Id: buffer.c,v 1.7 2009-06-25 16:21:32 nicm Exp $ */
/* $Id: buffer.c,v 1.8 2009-08-21 21:09:13 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -100,9 +100,6 @@ buffer_remove(struct buffer *b, size_t size)
void
buffer_write(struct buffer *b, const void *data, size_t size)
{
if (size == 0)
fatalx("zero size");
buffer_ensure(b, size);
memcpy(BUFFER_IN(b), data, size);
buffer_add(b, size);
@ -127,7 +124,7 @@ buffer_write8(struct buffer *b, uint8_t n)
{
buffer_ensure(b, 1);
BUFFER_IN(b)[0] = n;
buffer_add(b, 1);
b->size++;
}
/* Extract an 8-bit value. */