gambas-source-code/main/share/gb_buffer.h

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/***************************************************************************
buffer.h
Simple buffer management
(c) 2000-2007 Benoit Minisini <gambas@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
***************************************************************************/
#ifndef __GB_BUFFER_H
#define __GB_BUFFER_H
typedef
struct {
size_t length;
size_t max;
}
BUFFER;
#define BUFFER_INC 256
void BUFFER_create(void *p_data);
void BUFFER_delete(void *p_data);
bool BUFFER_load_file(void *p_data, const char *name);
offset_t BUFFER_add(void *p_data, const void *string, size_t len);
bool BUFFER_need(void *p_data, size_t size);
#define DATA_TO_BUFFER(_data) ((BUFFER *)((char *)(_data) - sizeof(BUFFER)))
#define BUFFER_TO_DATA(_buffer) ((char *)(_buffer) + sizeof(BUFFER))
#define BUFFER_length(_data) (DATA_TO_BUFFER(_data)->length)
#endif