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