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Destroy the alias and UUID tables when all of caches is unloaded 

When a cache contains no fonts, it will be unloaded immediately.
Previously the certain alias and UUID entries will be purged at that time though,
this doesn't work when the targeted directory has sub-directories.
To avoid the unnecessary cache creation with the md5-based naming, try to keep them
as far as possible.
Although this way seems not perfectly working if the first directory to look up is like that
This commit is contained in:
Akira TAGOH 2017-10-03 13:08:54 +09:00
parent d7133f4ed7
commit b01bf646f1
1 changed files with 28 additions and 37 deletions
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63
src/fccache.c
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@ -88,28 +88,24 @@ FcCacheUuidAdd (FcUuidHashTable *table,
return FcTrue; return FcTrue;
} }
static FcBool static void
FcCacheUuidRemove (FcUuidHashTable *table, FcCacheUuidDestroy (FcUuidHashTable *table)
const FcChar8 *file)
{ {
FcUuidBucket **prev, *bucket; int i;
FcChar32 hash = FcStrHashIgnoreCase (file);
for (prev = &table->buckets[hash % FC_UUID_HASH_SIZE]; for (i = 0; i < FC_UUID_HASH_SIZE; i++)
(bucket = *prev); )
{ {
if (FcStrCmp (bucket->file, file) == 0) FcUuidBucket *bucket = table->buckets[i], *prev;
while (bucket)
{ {
*prev = bucket->next;
FcStrFree (bucket->file); FcStrFree (bucket->file);
free (bucket); prev = bucket;
bucket = bucket->next;
return FcTrue; free (prev);
} }
else table->buckets[i] = NULL;
prev = &(bucket->next);
} }
return FcFalse;
} }
static FcBool static FcBool
@ -269,29 +265,25 @@ FcCacheAliasAdd (FcAliasHashTable *table,
return FcTrue; return FcTrue;
} }
static FcBool static void
FcCacheAliasRemove (FcAliasHashTable *table, FcCacheAliasDestroy (FcAliasHashTable *table)
const FcChar8 *orig)
{ {
FcAliasBucket **prev, *bucket; int i;
FcChar32 hash = FcStrHashIgnoreCase (orig);
for (prev = &table->buckets[hash % FC_ALIAS_HASH_SIZE]; for (i = 0; i < FC_ALIAS_HASH_SIZE; i++)
(bucket = *prev); )
{ {
if (FcStrCmp (bucket->orig, orig) == 0) FcAliasBucket *bucket = table->buckets[i], *prev;
while (bucket)
{ {
*prev = bucket->next; prev = bucket;
FcStrFree (bucket->orig); FcStrFree (bucket->orig);
FcStrFree (bucket->alias); FcStrFree (bucket->alias);
free (bucket); bucket = bucket->next;
free (prev);
return FcTrue;
} }
else table->buckets[i] = NULL;
prev = &(bucket->next);
} }
return FcFalse;
} }
static FcBool static FcBool
@ -841,13 +833,12 @@ FcCacheObjectDereference (void *object)
{ {
if (FcRefDec (&skip->ref) == 1) if (FcRefDec (&skip->ref) == 1)
{ {
const FcChar8 *d = FcDirCacheFindAliasPath (FcCacheDir (skip->cache));
FcCacheUuidRemove (&uuid_table, FcCacheDir (skip->cache));
if (d)
FcCacheUuidRemove (&uuid_table, d);
FcCacheAliasRemove (&alias_table, FcCacheDir (skip->cache));
FcDirCacheDisposeUnlocked (skip->cache); FcDirCacheDisposeUnlocked (skip->cache);
if (fcCacheMaxLevel == 0)
{
FcCacheUuidDestroy (&uuid_table);
FcCacheAliasDestroy (&alias_table);
}
} }
} }
unlock_cache (); unlock_cache ();