diff options
Diffstat (limited to 'src/basic/ring.h')
-rw-r--r-- | src/basic/ring.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/src/basic/ring.h b/src/basic/ring.h deleted file mode 100644 index a7c44d1b56..0000000000 --- a/src/basic/ring.h +++ /dev/null @@ -1,56 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#pragma once - -/*** - This file is part of systemd. - - Copyright 2014 David Herrmann <dh.herrmann@gmail.com> - - systemd 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. - - systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - - -typedef struct Ring Ring; - -struct Ring { - uint8_t *buf; /* buffer or NULL */ - size_t size; /* actual size of @buf */ - size_t start; /* start position of ring */ - size_t used; /* number of actually used bytes */ -}; - -/* flush buffer so it is empty again */ -void ring_flush(Ring *r); - -/* flush buffer, free allocated data and reset to initial state */ -void ring_clear(Ring *r); - -/* get pointers to buffer data and their length */ -size_t ring_peek(Ring *r, struct iovec *vec); - -/* copy data into external linear buffer */ -size_t ring_copy(Ring *r, void *buf, size_t size); - -/* push data to the end of the buffer */ -int ring_push(Ring *r, const void *u8, size_t size); - -/* pull data from the front of the buffer */ -void ring_pull(Ring *r, size_t size); - -/* return size of occupied buffer in bytes */ -static inline size_t ring_get_size(Ring *r) -{ - return r->used; -} |