/* Copyright (C) 2015-2020, Dirk Krause SPDX-License-Identifier: BSD-3-Clause */ /* WARNING: This file was generated by the dkct program (see http://dktools.sourceforge.net/ for details). Changes you make here will be lost if dkct is run again! You should modify the original source and run dkct on it. Original source: dk4c32.ctr */ #ifndef DK4C32_H_INCLUDED /** Avoid multiple inclusions. */ #define DK4C32_H_INCLUDED 1 #line 10 "dk4c32.ctr" /** @file 32 bit character decoding. CRT on Windows: Not used. */ #ifndef DK4CONF_H_INCLUDED #if DK4_BUILDING_DKTOOLS4 #include "dk4conf.h" #else #include #endif #endif #ifndef DK4TYPES_H_INCLUDED #if DK4_BUILDING_DKTOOLS4 #include "dk4types.h" #else #include #endif #endif /** Decoder structure to build a 32 bit character from 4 4 4 4 bytes. */ typedef struct { dk4_c32_t val; /**< Value constructed from the bytes. */ int msb; /**< Flag: First byte is MSB. */ int nb; /**< Number of next byte. */ } dk4_c32_byte_decoder_t; #ifdef __cplusplus extern "C" { #endif /** Initialize the decoder. @param ptr Decoder to initialize. @param msb Flag: Most significant byte first. */ void dk4c32_decoder_init(dk4_c32_byte_decoder_t *ptr, int msb); /** Add one byte to the decoder. @param ptr @param inbyte @return DK4_EDSTM_ACCEPT if the byte was added to the internal decoder state (no action necessary) or DK4_EDSTM_FINISHED if one output was finished (use dk4c32_decoder_get() to obtain the value). */ int dk4c32_decoder_add(dk4_c32_byte_decoder_t *ptr, unsigned char inbyte); /** Retrieve output value. @param ptr Decoder to retrieve value from. @return Output produced by the decoder. */ dk4_c32_t dk4c32_decoder_get(dk4_c32_byte_decoder_t const *ptr); /** Check whether the decoder is empty (nothing is stored in the internal state). @param ptr Decoder to check. @return 1 on success (decoder empty), 0 otherwise. */ int dk4c32_decoder_is_empty(dk4_c32_byte_decoder_t const *ptr); #ifdef __cplusplus } #endif #endif