91 lines
2.4 KiB
Plaintext
91 lines
2.4 KiB
Plaintext
/* EINA - EFL data type library
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* Copyright (C) 2008 Cedric Bail
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef EINA_INLINE_TRASH_X__
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#define EINA_INLINE_TRASH_X__
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/**
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* @brief Initialize a trash before using it.
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*
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* @param trash The trash.
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*
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* This function just set to zero the trash to correctly
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* initialize it.
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*
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* @note You can just set *trash to @c NULL and you will have
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* the same result.
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*/
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static inline void
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eina_trash_init(Eina_Trash **trash)
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{
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*trash = NULL;
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}
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/**
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* @brief Push an unused pointer in the trash instead of freeing it.
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*
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* @param trash A pointer to an Eina_Trash.
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* @param data An unused pointer big enougth to put a (void*).
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*
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* Instead of freeing a pointer and put pressure on malloc/free
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* you can push it in a trash for a later use. This function just
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* provide a fast way to push a now unused pointer into a trash.
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*
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* @note Do never use the pointer after insertion or bad things will
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* happens.
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*
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* @note This trash will not resize, nor do anything with the size of
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* the region pointed by @p data, so it's your duty to manage the size.
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*/
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static inline void
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eina_trash_push(Eina_Trash **trash, void *data)
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{
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Eina_Trash *tmp;
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tmp = (Eina_Trash *)data;
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tmp->next = *trash;
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*trash = tmp;
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}
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/**
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* @brief Pop an available pointer from the trash if possible.
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*
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* @param trash A pointer to an Eina_Trash.
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*
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* Instead of calling malloc, and putting pressure on malloc/free
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* you can recycle the content of the trash, if it's not empty.
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*
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* @note This trash will not resize, nor do anything with the size of
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* the region pointed by pointer inside the trash, so it's your duty
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* to manage the size of the returned pointer.
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*/
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static inline void*
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eina_trash_pop(Eina_Trash **trash)
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{
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void *tmp;
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tmp = *trash;
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if (*trash)
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*trash = (*trash)->next;
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return tmp;
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}
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#endif
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