src/lib/libkeynote/base64.c

57 lines
1.5 KiB
C

/* $OpenBSD: base64.c,v 1.12 2023/04/13 18:20:21 tb Exp $ */
/*
* The author of this code is Angelos D. Keromytis (angelos@dsl.cis.upenn.edu)
*
* This code was written by Angelos D. Keromytis in Philadelphia, PA, USA,
* in April-May 1998
*
* Copyright (C) 1998, 1999 by Angelos D. Keromytis.
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, THE AUTHORS MAKES NO
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/types.h>
#include <ctype.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "keynote.h"
int __b64_ntop(unsigned char const *, size_t, char *, size_t);
int __b64_pton(char const *, unsigned char *, size_t);
int
kn_encode_base64(unsigned char const *src, unsigned int srclength, char *target,
unsigned int targsize)
{
int i;
i = __b64_ntop(src, srclength, target, targsize);
if (i == -1)
keynote_errno = ERROR_SYNTAX;
return i;
}
int
kn_decode_base64(char const *src, unsigned char *target, unsigned int targsize)
{
int i;
i = __b64_pton(src, target, targsize);
if (i == -1)
keynote_errno = ERROR_SYNTAX;
return i;
}