X-Git-Url: https://git.sesse.net/?p=rdpsrv;a=blobdiff_plain;f=Xserver%2Flib%2Ffont%2Futil%2Fpatcache.c;fp=Xserver%2Flib%2Ffont%2Futil%2Fpatcache.c;h=0000000000000000000000000000000000000000;hp=36b8e2c29b419a07c36a642abb3e339ce962bb65;hb=ce66b81460e5353db09d45c02339d4583fbda255;hpb=7772d71ffd742cfc9b7ff214659d16c5bb56a391

diff --git a/Xserver/lib/font/util/patcache.c b/Xserver/lib/font/util/patcache.c
deleted file mode 100644
index 36b8e2c..0000000
--- a/Xserver/lib/font/util/patcache.c
+++ /dev/null
@@ -1,226 +0,0 @@
-/* $TOG: patcache.c /main/8 1997/06/12 11:51:59 barstow $ */
-
-/*
-
-Copyright (c) 1991  X Consortium
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of the X Consortium shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from the X Consortium.
-
-*/
-/* $XFree86: xc/lib/font/util/patcache.c,v 3.0.4.1 1997/07/05 15:55:37 dawes Exp $ */
-
-/*
- * Author:  Keith Packard, MIT X Consortium
- */
-
-#include    <fontmisc.h>
-#include    <fontstruct.h>
-
-/*
- * Static sized hash table for looking up font name patterns
- *
- * LRU entries, reusing old entries
- */
-
-#define NBUCKETS	16
-#define NENTRIES	64
-
-#define UNSET		(NENTRIES+1)
-
-typedef unsigned char	EntryPtr;
-
-typedef struct _FontPatternCacheEntry {
-    struct _FontPatternCacheEntry   *next, **prev;
-    short			    patlen;
-    char			    *pattern;
-    int				    hash;
-    FontPtr			    pFont;	/* associated font */
-} FontPatternCacheEntryRec, *FontPatternCacheEntryPtr;
-
-typedef struct _FontPatternCache {
-    FontPatternCacheEntryPtr	buckets[NBUCKETS];
-    FontPatternCacheEntryRec	entries[NENTRIES];
-    FontPatternCacheEntryPtr	free;
-} FontPatternCacheRec;
-
-/* Create and initialize cache */
-FontPatternCachePtr
-MakeFontPatternCache ()
-{
-    FontPatternCachePtr	cache;
-    int			i;
-    cache = (FontPatternCachePtr) xalloc (sizeof *cache);
-    if (!cache)
-	return 0;
-    for (i = 0; i < NENTRIES; i++) {
-	cache->entries[i].patlen = 0;
-	cache->entries[i].pattern = 0;
-	cache->entries[i].pFont = 0;
-    }
-    EmptyFontPatternCache (cache);
-    return cache;
-}
-
-/* toss cache */
-void
-FreeFontPatternCache (cache)
-    FontPatternCachePtr	cache;
-{
-    int	    i;
-
-    for (i = 0; i < NENTRIES; i++)
-	xfree (cache->entries[i].pattern);
-    xfree (cache);
-}
-
-/* compute id for string */
-static
-Hash (string, len)
-    char    *string;
-    int	    len;
-{
-    int	hash;
-
-    hash = 0;
-    while (len--)
-	hash = (hash << 1) ^ *string++;
-    if (hash < 0)
-	hash = -hash;
-    return hash;
-}
-
-/* Empty cache (for rehash) */
-void
-EmptyFontPatternCache (cache)
-    FontPatternCachePtr	cache;
-{
-    int	    i;
-    
-    for (i = 0; i < NBUCKETS; i++)
-	cache->buckets[i] = 0;
-    for (i = 0; i < NENTRIES; i++)
-    {
-	cache->entries[i].next = &cache->entries[i+1];
-	cache->entries[i].prev = 0;
-	cache->entries[i].pFont = 0;
-	xfree (cache->entries[i].pattern);
-	cache->entries[i].pattern = 0;
-	cache->entries[i].patlen = 0;
-    }
-    cache->free = &cache->entries[0];
-    cache->entries[NENTRIES - 1].next = 0;
-}
-
-/* add entry */
-void
-CacheFontPattern (cache, pattern, patlen, pFont)
-    FontPatternCachePtr	cache;
-    char		*pattern;
-    int			patlen;
-    FontPtr		pFont;
-{
-    FontPatternCacheEntryPtr	e;
-    char			*newpat;
-    int				i;
-
-    newpat = (char *) xalloc (patlen);
-    if (!newpat)
-	return;
-    if (cache->free)
-    {
-	e = cache->free;
-	cache->free = e->next;
-    }
-    else
-    {
-    	i = rand ();
-    	if (i < 0)
-	    i = -i;
-    	i %= NENTRIES;
-	e = &cache->entries[i];
-	if (e->next)
-	    e->next->prev = e->prev;
-	*e->prev = e->next;
-	xfree (e->pattern);
-    }
-    /* set pattern */
-    memcpy (newpat, pattern, patlen);
-    e->pattern = newpat;
-    e->patlen = patlen;
-    /* link to new hash chain */
-    e->hash = Hash (pattern, patlen);
-    i = e->hash % NBUCKETS;
-    e->next = cache->buckets[i];
-    if (e->next)
-	e->next->prev = &(e->next);
-    cache->buckets[i] = e;
-    e->prev = &(cache->buckets[i]);
-    e->pFont = pFont;
-}
-
-/* find matching entry */
-FontPtr
-FindCachedFontPattern (cache, pattern, patlen)
-    FontPatternCachePtr	cache;
-    char		*pattern;
-    int			patlen;
-{
-    int				hash;
-    int				i;
-    FontPatternCacheEntryPtr	e;
-
-    hash = Hash (pattern, patlen);
-    i = hash % NBUCKETS;
-    for (e = cache->buckets[i]; e; e = e->next)
-    {
-	if (e->patlen == patlen && e->hash == hash &&
-	    !memcmp (e->pattern, pattern, patlen))
-	{
-	    return e->pFont;
-	}
-    }
-    return 0;
-}
-
-void
-RemoveCachedFontPattern (cache, pFont)
-    FontPatternCachePtr	cache;
-    FontPtr		pFont;
-{
-    FontPatternCacheEntryPtr	e;
-    int				i;
-
-    for (i = 0; i < NENTRIES; i++)
-    {
-	if ((e = &cache->entries[i])->pFont == pFont)
-	{
-	    e->pFont = 0;
-	    if (e->next)
-		e->next->prev = e->prev;
-	    *e->prev = e->next;
-	    e->next = cache->free;
-	    cache->free = e;
-	    xfree (e->pattern);
-	    e->pattern = 0;
-	}
-    }
-}