| /* | |
| * (C) Copyright 2003 | |
| * Gerry Hamel, geh@ti.com, Texas Instruments | |
| * | |
| * 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 2 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| * | |
| */ | |
| #ifndef __CIRCBUF_H__ | |
| #define __CIRCBUF_H__ | |
| typedef struct circbuf { | |
| unsigned int size; /* current number of bytes held */ | |
| unsigned int totalsize; /* number of bytes allocated */ | |
| char *top; /* pointer to current buffer start */ | |
| char *tail; /* pointer to space for next element */ | |
| char *data; /* all data */ | |
| char *end; /* end of data buffer */ | |
| } circbuf_t; | |
| int buf_init (circbuf_t * buf, unsigned int size); | |
| int buf_free (circbuf_t * buf); | |
| int buf_pop (circbuf_t * buf, char *dest, unsigned int len); | |
| int buf_push (circbuf_t * buf, const char *src, unsigned int len); | |
| #endif |