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save a byte per stringshare node. 

we don't need to use 'begin' flag (that takes a byte) just to see if
we're in the same memory block as the head, just do a pointer math.



SVN revision: 37270
This commit is contained in:
Gustavo Sverzut Barbieri 2008-10-28 12:34:58 +00:00
parent 0b1e2fa0dc
commit 96adb8e1f0
1 changed files with 3 additions and 8 deletions
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11
legacy/eina/src/lib/eina_stringshare.c
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@ -137,8 +137,6 @@ struct _Eina_Stringshare_Node
unsigned short length;
unsigned short references;
Eina_Bool begin : 1;
};
static Eina_Stringshare *share = NULL;
@ -228,13 +226,14 @@ static void
_eina_stringshare_head_free(Eina_Stringshare_Head *ed, __UNUSED__ void *data)
{
EINA_MAGIC_CHECK_STRINGSHARE_HEAD(ed);
Eina_Stringshare_Node *first_node = (Eina_Stringshare_Node *)(ed + 1);
while (ed->head)
{
Eina_Stringshare_Node *el = ed->head;
ed->head = ed->head->next;
if (el->begin == EINA_FALSE)
if (el != first_node)
MAGIC_FREE(el);
}
MAGIC_FREE(ed);
@ -754,8 +753,6 @@ eina_stringshare_add(const char *str)
nel = (Eina_Stringshare_Node*) (ed + 1);
EINA_MAGIC_SET(nel, EINA_MAGIC_STRINGSHARE_NODE);
nel->begin = EINA_TRUE;
}
EINA_MAGIC_CHECK_STRINGSHARE_HEAD(ed);
@ -783,8 +780,6 @@ eina_stringshare_add(const char *str)
nel = malloc(sizeof (Eina_Stringshare_Node) + slen);
if (!nel) return NULL;
EINA_MAGIC_SET(nel, EINA_MAGIC_STRINGSHARE_NODE);
nel->begin = EINA_FALSE;
}
nel->references = 1;
@ -878,7 +873,7 @@ eina_stringshare_del(const char *str)
if (prev) prev->next = el->next;
else ed->head = el->next;
if (el->begin == EINA_FALSE)
if (el != (Eina_Stringshare_Node *)(ed + 1))
MAGIC_FREE(el);
#ifdef EINA_STRINGSHARE_USAGE