46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
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#ifndef BASE64_H
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/*
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* Argyll Color Management System
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*
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* Very simple & concise base64 encoder/decoder
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*/
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/*
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* Author: Graeme W. Gill
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*
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* Copyright 2014, Graeme W. Gill
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* All rights reserved.
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*
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* This material is licenced under the GNU GENERAL PUBLIC LICENSE Version 2 or later :-
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* see the License2.txt file for licencing details.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* The maximum encoded length given decoded length */
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#define EBASE64LEN(len) (((len) * 4 + 2)/3)
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/* Encode slen bytes into nul terminated string. */
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/* if dlen is !NULL, then set it to resulting string length excluding nul */
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/* We assume that the destination buffer is long enough at EBASE64LEN */
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void ebase64(int *dlen, char *dst, unsigned char *src, int slen);
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/* The maximum decoded length given encoded length */
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#define DBASE64LEN(len) (((len) * 3)/4)
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/* Decode nul terminated string into bytes, ignoring illegal characters. */
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/* if dlen is !NULL, then set it to resulting byte length */
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/* We assume that the destination buffer is long enough at DBASE64LEN */
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void dbase64(int *dlen, unsigned char *dst, char *src);
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#ifdef __cplusplus
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}
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#endif
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#define BASE64_H
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#endif /* BASE64_H */
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