66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2022 nghttp3 contributors
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* Copyright (c) 2022 nghttp2 contributors
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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 to
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* 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 BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef NGHTTP2_EXTPRI_H
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#define NGHTTP2_EXTPRI_H
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <nghttp2/nghttp2.h>
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/*
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* NGHTTP2_EXTPRI_INC_MASK is a bit mask to retrieve incremental bit
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* from a value produced by nghttp2_extpri_to_uint8.
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*/
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#define NGHTTP2_EXTPRI_INC_MASK (1 << 7)
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/*
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* nghttp2_extpri_to_uint8 encodes |pri| into uint8_t variable.
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*/
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uint8_t nghttp2_extpri_to_uint8(const nghttp2_extpri *extpri);
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/*
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* nghttp2_extpri_from_uint8 decodes |u8extpri|, which is produced by
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* nghttp2_extpri_to_uint8, intto |extpri|.
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*/
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void nghttp2_extpri_from_uint8(nghttp2_extpri *extpri, uint8_t u8extpri);
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/*
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* nghttp2_extpri_uint8_urgency extracts urgency from |PRI| which is
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* supposed to be constructed by nghttp2_extpri_to_uint8.
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*/
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#define nghttp2_extpri_uint8_urgency(PRI) \
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((uint32_t)((PRI) & ~NGHTTP2_EXTPRI_INC_MASK))
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/*
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* nghttp2_extpri_uint8_inc extracts inc from |PRI| which is supposed to
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* be constructed by nghttp2_extpri_to_uint8.
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*/
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#define nghttp2_extpri_uint8_inc(PRI) (((PRI)&NGHTTP2_EXTPRI_INC_MASK) != 0)
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#endif /* NGHTTP2_EXTPRI_H */
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