63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/*
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* Copyright (C) 2015 Southern Storm Software, Pty Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* 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, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef CRYPTO_PROGMEMUTIL_H
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#define CRYPTO_PROGMEMUTIL_H
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#if defined(__AVR__)
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#include <avr/pgmspace.h>
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#define pgm_read_qword(x) \
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(__extension__ ({ \
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const uint32_t *_temp = (const uint32_t *)(x); \
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((uint64_t)pgm_read_dword(_temp)) | \
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(((uint64_t)pgm_read_dword(_temp + 1)) << 32); \
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}))
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#elif defined(ESP8266) || defined(ESP32)
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#include <pgmspace.h>
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#define pgm_read_qword(x) \
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(__extension__ ({ \
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const uint32_t *_temp = (const uint32_t *)(x); \
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((uint64_t)pgm_read_dword(_temp)) | \
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(((uint64_t)pgm_read_dword(_temp + 1)) << 32); \
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}))
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#else
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#include <string.h>
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#define PROGMEM
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#ifndef pgm_read_byte
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# define pgm_read_byte(x) (*(x))
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#endif
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#ifndef pgm_read_word
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# define pgm_read_word(x) (*(x))
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#endif
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#ifndef pgm_read_dword
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# define pgm_read_dword(x) (*(x))
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#endif
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#ifndef pgm_read_qword
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# define pgm_read_qword(x) (*(x))
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#endif
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#ifndef memcpy_P
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# define memcpy_P(d,s,l) memcpy((d), (s), (l))
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#endif
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#endif
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#endif
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