media/mtransport/third_party/nrappkit/src/util/p_buf.h@97036ab72558 (annotated)
media/mtransport/third_party/nrappkit/src/util/p_buf.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /** |
| michael@0 | 2 | p_buf.h |
| michael@0 | 3 | |
| michael@0 | 4 | |
| michael@0 | 5 | Copyright (C) 2003, Network Resonance, Inc. |
| michael@0 | 6 | Copyright (C) 2006, Network Resonance, Inc. |
| michael@0 | 7 | All Rights Reserved |
| michael@0 | 8 | |
| michael@0 | 9 | Redistribution and use in source and binary forms, with or without |
| michael@0 | 10 | modification, are permitted provided that the following conditions |
| michael@0 | 11 | are met: |
| michael@0 | 12 | |
| michael@0 | 13 | 1. Redistributions of source code must retain the above copyright |
| michael@0 | 14 | notice, this list of conditions and the following disclaimer. |
| michael@0 | 15 | 2. Redistributions in binary form must reproduce the above copyright |
| michael@0 | 16 | notice, this list of conditions and the following disclaimer in the |
| michael@0 | 17 | documentation and/or other materials provided with the distribution. |
| michael@0 | 18 | 3. Neither the name of Network Resonance, Inc. nor the name of any |
| michael@0 | 19 | contributors to this software may be used to endorse or promote |
| michael@0 | 20 | products derived from this software without specific prior written |
| michael@0 | 21 | permission. |
| michael@0 | 22 | |
| michael@0 | 23 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' |
| michael@0 | 24 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| michael@0 | 25 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| michael@0 | 26 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| michael@0 | 27 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| michael@0 | 28 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| michael@0 | 29 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| michael@0 | 30 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| michael@0 | 31 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| michael@0 | 32 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| michael@0 | 33 | POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 34 | |
| michael@0 | 35 | |
| michael@0 | 36 | ekr@rtfm.com Tue Nov 25 15:58:37 2003 |
| michael@0 | 37 | */ |
| michael@0 | 38 | |
| michael@0 | 39 | |
| michael@0 | 40 | #ifndef _p_buf_h |
| michael@0 | 41 | #define _p_buf_h |
| michael@0 | 42 | |
| michael@0 | 43 | typedef struct nr_p_buf_ { |
| michael@0 | 44 | UCHAR *data; /*The pointer to the buffer where the data lives */ |
| michael@0 | 45 | UINT4 size; /*The size of the buffer */ |
| michael@0 | 46 | UINT4 r_offset; /*The offset into the buffer where the data starts |
| michael@0 | 47 | when reading */ |
| michael@0 | 48 | UINT4 length; /*The length of the data portion */ |
| michael@0 | 49 | |
| michael@0 | 50 | STAILQ_ENTRY(nr_p_buf_) entry; |
| michael@0 | 51 | } nr_p_buf; |
| michael@0 | 52 | |
| michael@0 | 53 | typedef STAILQ_HEAD(nr_p_buf_head_,nr_p_buf_) nr_p_buf_head; |
| michael@0 | 54 | |
| michael@0 | 55 | |
| michael@0 | 56 | typedef struct nr_p_buf_ctx_ { |
| michael@0 | 57 | int buf_size; |
| michael@0 | 58 | |
| michael@0 | 59 | nr_p_buf_head free_list; |
| michael@0 | 60 | } nr_p_buf_ctx; |
| michael@0 | 61 | |
| michael@0 | 62 | int nr_p_buf_ctx_create(int size,nr_p_buf_ctx **ctxp); |
| michael@0 | 63 | int nr_p_buf_ctx_destroy(nr_p_buf_ctx **ctxp); |
| michael@0 | 64 | int nr_p_buf_alloc(nr_p_buf_ctx *ctx,nr_p_buf **bufp); |
| michael@0 | 65 | int nr_p_buf_free(nr_p_buf_ctx *ctx,nr_p_buf *buf); |
| michael@0 | 66 | int nr_p_buf_free_chain(nr_p_buf_ctx *ctx,nr_p_buf_head *chain); |
| michael@0 | 67 | int nr_p_buf_write_to_chain(nr_p_buf_ctx *ctx, |
| michael@0 | 68 | nr_p_buf_head *chain, |
| michael@0 | 69 | UCHAR *data,UINT4 len); |
| michael@0 | 70 | |
| michael@0 | 71 | #endif |
| michael@0 | 72 |
