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fontconfig
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Revert the previous change 

and just abort if the object id is overflowed.
This commit is contained in:
Akira TAGOH 2015-05-25 21:41:05 +09:00
parent 09edd84cf8
commit 4c9101f704
1 changed files with 1 additions and 15 deletions
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16
src/fcobjs.c
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@ -70,8 +70,6 @@ static FcObjectType *
_FcObjectLookupOtherTypeByName (const char *str, FcObject *id)
{
struct FcObjectOtherTypeInfo *ots, *ot;
static fc_atomic_int_t first_id = 0;
static FcBool overflow = FcFalse;
retry:
ots = fc_atomic_ptr_get (&other_types);
@ -80,11 +78,6 @@ retry:
if (0 == strcmp (ot->object.object, str))
break;
if (!ots)
{
first_id = fc_atomic_int_add (next_id, 0);
overflow = FcFalse;
}
if (!ot)
{
ot = malloc (sizeof (*ot));
@ -93,19 +86,12 @@ retry:
ot->object.object = (char *) FcStrdup (str);
ot->object.type = FcTypeUnknown;
retry_id:
ot->id = fc_atomic_int_add (next_id, +1);
if (overflow && ot->id == first_id)
if (ot->id < (FC_MAX_BASE_OBJECT + FC_EXT_OBJ_INDEX))
{
fprintf (stderr, "Fontconfig error: No object ID to assign\n");
abort ();
}
if (ot->id < (FC_MAX_BASE_OBJECT + FC_EXT_OBJ_INDEX))
{
overflow = FcTrue;
fc_atomic_ptr_cmpexch (&next_id, ot->id + 1, FC_MAX_BASE_OBJECT + FC_EXT_OBJ_INDEX + 1);
goto retry_id;
}
ot->next = ots;
if (!fc_atomic_ptr_cmpexch (&other_types, ots, ot)) {