media/libopus/celt/os_support.h@ac0c01689b40 (annotated)
media/libopus/celt/os_support.h
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* Copyright (C) 2007 Jean-Marc Valin |
| michael@0 | 2 | |
| michael@0 | 3 | File: os_support.h |
| michael@0 | 4 | This is the (tiny) OS abstraction layer. Aside from math.h, this is the |
| michael@0 | 5 | only place where system headers are allowed. |
| michael@0 | 6 | |
| michael@0 | 7 | Redistribution and use in source and binary forms, with or without |
| michael@0 | 8 | modification, are permitted provided that the following conditions are |
| michael@0 | 9 | met: |
| michael@0 | 10 | |
| michael@0 | 11 | 1. Redistributions of source code must retain the above copyright notice, |
| michael@0 | 12 | this list of conditions and the following disclaimer. |
| michael@0 | 13 | |
| michael@0 | 14 | 2. Redistributions in binary form must reproduce the above copyright |
| michael@0 | 15 | notice, this list of conditions and the following disclaimer in the |
| michael@0 | 16 | documentation and/or other materials provided with the distribution. |
| michael@0 | 17 | |
| michael@0 | 18 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| michael@0 | 19 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| michael@0 | 20 | OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| michael@0 | 21 | DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| michael@0 | 22 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| michael@0 | 23 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| michael@0 | 24 | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| michael@0 | 25 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| michael@0 | 26 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| michael@0 | 27 | ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| michael@0 | 28 | POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 29 | */ |
| michael@0 | 30 | |
| michael@0 | 31 | #ifndef OS_SUPPORT_H |
| michael@0 | 32 | #define OS_SUPPORT_H |
| michael@0 | 33 | |
| michael@0 | 34 | #ifdef CUSTOM_SUPPORT |
| michael@0 | 35 | # include "custom_support.h" |
| michael@0 | 36 | #endif |
| michael@0 | 37 | |
| michael@0 | 38 | #include "opus_types.h" |
| michael@0 | 39 | #include "opus_defines.h" |
| michael@0 | 40 | |
| michael@0 | 41 | #include <string.h> |
| michael@0 | 42 | #include <stdio.h> |
| michael@0 | 43 | #include <stdlib.h> |
| michael@0 | 44 | |
| michael@0 | 45 | /** Opus wrapper for malloc(). To do your own dynamic allocation, all you need to do is replace this function and opus_free */ |
| michael@0 | 46 | #ifndef OVERRIDE_OPUS_ALLOC |
| michael@0 | 47 | static OPUS_INLINE void *opus_alloc (size_t size) |
| michael@0 | 48 | { |
| michael@0 | 49 | return malloc(size); |
| michael@0 | 50 | } |
| michael@0 | 51 | #endif |
| michael@0 | 52 | |
| michael@0 | 53 | /** Same as celt_alloc(), except that the area is only needed inside a CELT call (might cause problem with wideband though) */ |
| michael@0 | 54 | #ifndef OVERRIDE_OPUS_ALLOC_SCRATCH |
| michael@0 | 55 | static OPUS_INLINE void *opus_alloc_scratch (size_t size) |
| michael@0 | 56 | { |
| michael@0 | 57 | /* Scratch space doesn't need to be cleared */ |
| michael@0 | 58 | return opus_alloc(size); |
| michael@0 | 59 | } |
| michael@0 | 60 | #endif |
| michael@0 | 61 | |
| michael@0 | 62 | /** Opus wrapper for free(). To do your own dynamic allocation, all you need to do is replace this function and opus_alloc */ |
| michael@0 | 63 | #ifndef OVERRIDE_OPUS_FREE |
| michael@0 | 64 | static OPUS_INLINE void opus_free (void *ptr) |
| michael@0 | 65 | { |
| michael@0 | 66 | free(ptr); |
| michael@0 | 67 | } |
| michael@0 | 68 | #endif |
| michael@0 | 69 | |
| michael@0 | 70 | /** Copy n bytes of memory from src to dst. The 0* term provides compile-time type checking */ |
| michael@0 | 71 | #ifndef OVERRIDE_OPUS_COPY |
| michael@0 | 72 | #define OPUS_COPY(dst, src, n) (memcpy((dst), (src), (n)*sizeof(*(dst)) + 0*((dst)-(src)) )) |
| michael@0 | 73 | #endif |
| michael@0 | 74 | |
| michael@0 | 75 | /** Copy n bytes of memory from src to dst, allowing overlapping regions. The 0* term |
| michael@0 | 76 | provides compile-time type checking */ |
| michael@0 | 77 | #ifndef OVERRIDE_OPUS_MOVE |
| michael@0 | 78 | #define OPUS_MOVE(dst, src, n) (memmove((dst), (src), (n)*sizeof(*(dst)) + 0*((dst)-(src)) )) |
| michael@0 | 79 | #endif |
| michael@0 | 80 | |
| michael@0 | 81 | /** Set n elements of dst to zero, starting at address s */ |
| michael@0 | 82 | #ifndef OVERRIDE_OPUS_CLEAR |
| michael@0 | 83 | #define OPUS_CLEAR(dst, n) (memset((dst), 0, (n)*sizeof(*(dst)))) |
| michael@0 | 84 | #endif |
| michael@0 | 85 | |
| michael@0 | 86 | /*#ifdef __GNUC__ |
| michael@0 | 87 | #pragma GCC poison printf sprintf |
| michael@0 | 88 | #pragma GCC poison malloc free realloc calloc |
| michael@0 | 89 | #endif*/ |
| michael@0 | 90 | |
| michael@0 | 91 | #endif /* OS_SUPPORT_H */ |
| michael@0 | 92 |
