95 lines
4.3 KiB
C
95 lines
4.3 KiB
C
/*
|
|
* mooutils-mem.h
|
|
*
|
|
* Copyright (C) 2004-2010 by Yevgen Muntyan <emuntyan@users.sourceforge.net>
|
|
*
|
|
* This file is part of medit. medit 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.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with medit. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef MOO_UTILS_MEM_H
|
|
#define MOO_UTILS_MEM_H
|
|
|
|
#include <glib.h>
|
|
#include <string.h>
|
|
|
|
|
|
#define _MOO_COPYELMS(func_,dest_,src_,n_) \
|
|
G_STMT_START { \
|
|
gsize n__ = n_; \
|
|
if ((dest_) == (src_)) \
|
|
(void) 0; \
|
|
func_ ((dest_), (src_), \
|
|
n__ * sizeof *(dest_)); \
|
|
} G_STMT_END
|
|
|
|
#define MOO_ELMCPY(dest_,src_,n_) _MOO_COPYELMS (memcpy, dest_, src_, n_)
|
|
#define MOO_ELMMOVE(dest_,src_,n_) _MOO_COPYELMS (memmove, dest_, src_, n_)
|
|
|
|
#define MOO_ARRAY_GROW(Type_,mem_,new_size_) \
|
|
G_STMT_START { \
|
|
gsize ns__ = new_size_; \
|
|
(mem_) = g_renew (Type_, (mem_), ns__); \
|
|
} G_STMT_END
|
|
|
|
|
|
#define MOO_IP_ARRAY_ELMS(ElmType,name_) \
|
|
ElmType *name_; \
|
|
gsize n_##name_; \
|
|
gsize n_##name_##_allocd__
|
|
|
|
#define MOO_IP_ARRAY_INIT(ElmType,c_,name_,len_) \
|
|
G_STMT_START { \
|
|
gsize use_len__ = len_; \
|
|
if (use_len__ == 0) \
|
|
use_len__ = 2; \
|
|
(c_)->name_ = (ElmType*) \
|
|
g_malloc0 (use_len__ * sizeof *(c_)->name_); \
|
|
(c_)->n_##name_ = len_; \
|
|
(c_)->n_##name_##_allocd__ = use_len__; \
|
|
} G_STMT_END
|
|
|
|
#define MOO_IP_ARRAY_DESTROY(c_,name_) \
|
|
G_STMT_START { \
|
|
g_free ((c_)->name_); \
|
|
(c_)->name_ = NULL; \
|
|
} G_STMT_END
|
|
|
|
#define MOO_IP_ARRAY_GROW(ElmType,c_,name_,howmuch_) \
|
|
G_STMT_START { \
|
|
if ((c_)->n_##name_ + howmuch_ > (c_)->n_##name_##_allocd__) \
|
|
{ \
|
|
gsize old_size__ = (c_)->n_##name_##_allocd__; \
|
|
gsize new_size__ = MAX((gsize) (old_size__ * 1.2), \
|
|
(c_)->n_##name_ + howmuch_); \
|
|
(c_)->name_ = (ElmType*) g_realloc ((c_)->name_, \
|
|
new_size__ * sizeof *(c_)->name_); \
|
|
(c_)->n_##name_##_allocd__ = new_size__; \
|
|
} \
|
|
\
|
|
if (howmuch_ > 0) \
|
|
memset ((c_)->name_ + (c_)->n_##name_, 0, \
|
|
howmuch_ * sizeof *(c_)->name_); \
|
|
(c_)->n_##name_ += howmuch_; \
|
|
} G_STMT_END
|
|
|
|
#define MOO_IP_ARRAY_REMOVE_INDEX(c_,name_,idx_) \
|
|
G_STMT_START { \
|
|
gsize idx__ = idx_; \
|
|
g_assert ((c_)->n_##name_ > 0 && idx__ < (c_)->n_##name_); \
|
|
if (idx__ + 1 < (c_)->n_##name_) \
|
|
MOO_ELMMOVE ((c_)->name_ + idx__, \
|
|
(c_)->name_ + idx__ + 1, \
|
|
(c_)->n_##name_ - idx__ - 1); \
|
|
(c_)->n_##name_ -= 1; \
|
|
} G_STMT_END
|
|
|
|
|
|
#endif /* MOO_UTILS_MEM_H */
|