diff options
Diffstat (limited to 'engine/voice_codecs/speex/source/libspeex/stack_alloc.h')
| -rw-r--r-- | engine/voice_codecs/speex/source/libspeex/stack_alloc.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/engine/voice_codecs/speex/source/libspeex/stack_alloc.h b/engine/voice_codecs/speex/source/libspeex/stack_alloc.h new file mode 100644 index 0000000..2390b69 --- /dev/null +++ b/engine/voice_codecs/speex/source/libspeex/stack_alloc.h @@ -0,0 +1,62 @@ +/* Copyright (C) 2002 Jean-Marc Valin + File: stack_alloc.h + + Temporary memory allocation on stack + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + - Neither the name of the Xiph.org Foundation nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef STACK_ALLOC_H +#define STACK_ALLOC_H + +#if 0 + +/*Aligns the stack to a 'size' boundary */ +#define ALIGN(stack, size) (stack=(void*)((((int)stack)+((size)-1)) & (-(size)))) +/*Aligns the stack to a 'size' boundary minus k */ +#define ALIGN_1(stack, size, k) (stack=(void*)(((((int)stack)+((size)-1+(k))) & (-(size)))-(k))) + +/* Allocates 'size' elements of type 'type' on the stack */ +#define PUSH(stack, size, type) (ALIGN(stack,sizeof(type)),stack=(void*)(((int)stack)+((size)*sizeof(type))),(type*)(((int)stack)-((size)*sizeof(type)))) + + +#else + +/*Aligns the stack to a 'size' boundary */ +#define ALIGN(stack, size) ((stack) += ((size) - (int)(stack)) & ((size) - 1)) + +/* Allocates 'size' elements of type 'type' on the stack */ +#define PUSH(stack, size, type) (ALIGN((stack),sizeof(type)),(stack)+=((size)*sizeof(type)),(type*)((stack)-((size)*sizeof(type)))) + +/* Allocates a struct stack */ +#define PUSHS(stack, type) (ALIGN((stack),sizeof(long)),(stack)+=(sizeof(type)),(type*)((stack)-(sizeof(type)))) + + +#endif + +#endif |