mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-02-10 15:01:07 +00:00
a745fc3757
added libraries: opus flac libsndfile updated: libvorbis libogg openal - Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
/* Copyright 2019 Guido Vranken
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject
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* to the following conditions:
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*
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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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*
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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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#pragma once
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#include <stdio.h>
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#include <stdint.h>
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#include <utility>
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#include <map>
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namespace fuzzing {
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namespace datasource {
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/* From: https://gist.github.com/underscorediscovery/81308642d0325fd386237cfa3b44785c */
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inline uint64_t hash_64_fnv1a(const void* key, const uint64_t len) {
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const char* data = (char*)key;
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uint64_t hash = 0xcbf29ce484222325;
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uint64_t prime = 0x100000001b3;
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for(uint64_t i = 0; i < len; ++i) {
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uint8_t value = data[i];
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hash = hash ^ value;
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hash *= prime;
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}
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return hash;
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} //hash_64_fnv1a
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// FNV1a c++11 constexpr compile time hash functions, 32 and 64 bit
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// str should be a null terminated string literal, value should be left out
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// e.g hash_32_fnv1a_const("example")
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// code license: public domain or equivalent
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// post: https://notes.underscorediscovery.com/constexpr-fnv1a/
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constexpr uint32_t val_32_const = 0x811c9dc5;
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constexpr uint32_t prime_32_const = 0x1000193;
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constexpr uint64_t val_64_const = 0xcbf29ce484222325;
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constexpr uint64_t prime_64_const = 0x100000001b3;
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inline constexpr uint64_t ID(const char* const str, const uint64_t value = val_64_const) noexcept {
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auto ret = (str[0] == '\0') ? value : ID(&str[1], (value ^ uint64_t(str[0])) * prime_64_const);
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return ret;
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}
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inline constexpr std::pair<const char*, uint64_t> IDPair(const char* const str, const uint64_t value = val_64_const) noexcept {
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return {str, ID(str, value)};
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}
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using IDMap = std::map<const char*, uint64_t>;
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} /* namespace datasource */
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} /* namespace fuzzing */
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