| /* |
| * |
| * Embedded Linux library |
| * |
| * Copyright (C) 2011-2015 Intel Corporation. All rights reserved. |
| * |
| * |
| * This library 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. |
| * |
| * This library 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #ifndef __ELL_RINGBUF_H |
| #define __ELL_RINGBUF_H |
| |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <stdbool.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| typedef void (*l_ringbuf_tracing_func_t)(const void *buf, size_t count, |
| void *user_data); |
| |
| struct l_ringbuf; |
| |
| struct l_ringbuf *l_ringbuf_new(size_t size); |
| void l_ringbuf_free(struct l_ringbuf *ringbuf); |
| |
| bool l_ringbuf_set_input_tracing(struct l_ringbuf *ringbuf, |
| l_ringbuf_tracing_func_t callback, void *user_data); |
| |
| size_t l_ringbuf_capacity(struct l_ringbuf *ringbuf); |
| |
| size_t l_ringbuf_len(struct l_ringbuf *ringbuf); |
| size_t l_ringbuf_drain(struct l_ringbuf *ringbuf, size_t count); |
| void *l_ringbuf_peek(struct l_ringbuf *ringbuf, size_t offset, |
| size_t *len_nowrap); |
| ssize_t l_ringbuf_write(struct l_ringbuf *ringbuf, int fd); |
| |
| size_t l_ringbuf_avail(struct l_ringbuf *ringbuf); |
| int l_ringbuf_printf(struct l_ringbuf *ringbuf, const char *format, ...) |
| __attribute__((format(printf, 2, 3))); |
| int l_ringbuf_vprintf(struct l_ringbuf *ringbuf, const char *format, |
| va_list ap); |
| ssize_t l_ringbuf_read(struct l_ringbuf *ringbuf, int fd); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __ELL_RINGBUF_H */ |