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https://github.com/Klipper3d/klipper.git
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35d28e880d
Improved CAM bus ID generation, there were issues with ID collisions. Added a small fast hash library. Signed-off-by: Pontus Borg <liquidpontus@yahoo.se>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/* The MIT License
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Copyright (C) 2012 Zilong Tan (eric.zltan@gmail.com)
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use, copy,
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modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef _FASTHASH_H
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#define _FASTHASH_H
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#include <stdint.h>
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#include <stdio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* fasthash32 - 32-bit implementation of fasthash
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* @buf: data buffer
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* @len: data size
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* @seed: the seed
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*/
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uint32_t fasthash32(const void *buf, size_t len, uint32_t seed);
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/**
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* fasthash64 - 64-bit implementation of fasthash
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* @buf: data buffer
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* @len: data size
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* @seed: the seed
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*/
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uint64_t fasthash64(const void *buf, size_t len, uint64_t seed);
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#ifdef __cplusplus
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}
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#endif
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#endif
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