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Annotation of src/usr.bin/sndiod/abuf.h, Revision 1.2

1.1       ratchov     1: /*     $OpenBSD$       */
                      2: /*
                      3:  * Copyright (c) 2008-2012 Alexandre Ratchov <alex@caoua.org>
                      4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
                      6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
                      8:  *
                      9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     16:  */
                     17: #ifndef ABUF_H
                     18: #define ABUF_H
                     19:
                     20: struct abuf {
1.2     ! ratchov    21:        int start;              /* offset (frames) where stored data starts */
        !            22:        int used;               /* frames stored in the buffer */
        !            23:        unsigned int len;       /* total size of the buffer (frames) */
1.1       ratchov    24:        unsigned char *data;
                     25: };
                     26:
                     27: void abuf_init(struct abuf *, unsigned int);
                     28: void abuf_done(struct abuf *);
                     29: void abuf_log(struct abuf *);
                     30: unsigned char *abuf_rgetblk(struct abuf *, int *);
                     31: unsigned char *abuf_wgetblk(struct abuf *, int *);
                     32: void abuf_rdiscard(struct abuf *, int);
                     33: void abuf_wcommit(struct abuf *, int);
                     34:
                     35: #endif /* !defined(ABUF_H) */