Aryadev Chavali
72585772ef
Have to define _DEFAULT_SOURCE before you can use the endian conversion functions. As most standard library headers use features.h, and _DEFAULT_SOURCE must be defined before features.h is included, we have to include base.h before other headers.
44 lines
915 B
C
44 lines
915 B
C
/* Copyright (C) 2023 Aryadev Chavali
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* You may distribute and modify this code under the terms of the
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* GPLv2 license. You should have received a copy of the GPLv2
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* license with this file. If not, please write to:
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* aryadev@aryadevchavali.com.
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* Created: 2023-10-26
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* Author: Aryadev Chavali
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* Description: Implementation of basic library functions
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*/
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#include "./base.h"
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#include <string.h>
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hword convert_bytes_to_hword(byte *bytes)
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{
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hword be_h = 0;
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memcpy(&be_h, bytes, HWORD_SIZE);
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hword h = be32toh(be_h);
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return h;
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}
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void convert_hword_to_bytes(hword w, byte *bytes)
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{
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hword be_h = htobe32(w);
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memcpy(bytes, &be_h, HWORD_SIZE);
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}
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void convert_word_to_bytes(word w, byte *bytes)
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{
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word be_w = htobe64(w);
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memcpy(bytes, &be_w, WORD_SIZE);
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}
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word convert_bytes_to_word(byte *bytes)
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{
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word be_w = 0;
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memcpy(&be_w, bytes, WORD_SIZE);
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word w = be64toh(be_w);
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return w;
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}
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