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Font cache now uses memmove().

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8603 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2006-02-06 17:24:47 +00:00
parent e6e8aa9519
commit 85c0440ae9
1 changed files with 8 additions and 19 deletions
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27
firmware/font_cache.c
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@ -181,31 +181,20 @@ struct font_cache_entry* font_cache_get(
if (insertion_point < index_to_replace) if (insertion_point < index_to_replace)
{ {
/* shift memory down */ /* shift memory up */
int dest = insertion_point+2; memmove(fcache->_index + insertion_point + 2,
int src = insertion_point+1; fcache->_index + insertion_point + 1,
int len = index_to_replace - insertion_point - 1; (index_to_replace - insertion_point - 1) * sizeof(short));
int desti = dest + len - 1;
int srci = src + len - 1;
int i;
for (i = 0; i < len; i++)
fcache->_index[desti--] = fcache->_index[srci--];
/* add to index */ /* add to index */
fcache->_index[insertion_point + 1] = lru_handle_to_replace; fcache->_index[insertion_point + 1] = lru_handle_to_replace;
} }
else if (insertion_point > index_to_replace) else if (insertion_point > index_to_replace)
{ {
/* shift memory up */ /* shift memory down */
int dest = index_to_replace; memmove(fcache->_index + index_to_replace,
int src = index_to_replace + 1; fcache->_index + index_to_replace + 1,
int len = insertion_point - index_to_replace; (insertion_point - index_to_replace) * sizeof(short));
int i;
for (i=0; i < len; i++)
fcache->_index[dest++] = fcache->_index[src++];
/* add to index */ /* add to index */
fcache->_index[insertion_point] = lru_handle_to_replace; fcache->_index[insertion_point] = lru_handle_to_replace;