forked from enlightenment/efl
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/* EINA - EFL data type library
|
|
* Copyright (C) 2013 Cedric Bail
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library;
|
|
* if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef EINA_COW_H_
|
|
#define EINA_COW_H_
|
|
|
|
typedef struct _Eina_Cow Eina_Cow;
|
|
typedef void Eina_Cow_Data;
|
|
|
|
EAPI Eina_Cow *eina_cow_add(const char *name, unsigned int struct_size, unsigned int step, const void *default_value) EINA_WARN_UNUSED_RESULT;
|
|
EAPI void eina_cow_del(Eina_Cow *cow);
|
|
|
|
EAPI const Eina_Cow_Data *eina_cow_alloc(Eina_Cow *cow) EINA_WARN_UNUSED_RESULT;
|
|
EAPI void eina_cow_free(Eina_Cow *cow, const Eina_Cow_Data *data);
|
|
|
|
EAPI void *eina_cow_write(Eina_Cow *cow,
|
|
const Eina_Cow_Data * const *src) EINA_WARN_UNUSED_RESULT;
|
|
EAPI void eina_cow_done(Eina_Cow *cow,
|
|
const Eina_Cow_Data * const *dst,
|
|
const void *data);
|
|
EAPI void eina_cow_memcpy(Eina_Cow *cow,
|
|
const Eina_Cow_Data * const *dst,
|
|
const Eina_Cow_Data *src);
|
|
|
|
EAPI Eina_Bool eina_cow_gc(Eina_Cow *cow);
|
|
|
|
#define EINA_COW_WRITE_BEGIN(Cow, Read, Write_Type, Write) \
|
|
do \
|
|
{ \
|
|
Write_Type *Write; \
|
|
\
|
|
Write = eina_cow_write(Cow, ((const Eina_Cow_Data**)&(Read)));
|
|
|
|
#define EINA_COW_WRITE_END(Cow, Read, Write) \
|
|
eina_cow_done(Cow, ((const Eina_Cow_Data**)&(Read)), Write); \
|
|
} \
|
|
while (0);
|
|
|
|
#endif
|