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#ifndef _HEX_CODE_H_INCLUDED_
#define _HEX_CODE_H_INCLUDED_
/*++
/* NAME
/* hex_code 3h
/* SUMMARY
/* encode/decode data, hexadecimal style
/* SYNOPSIS
/* #include <hex_code.h>
/* DESCRIPTION
/* .nf
/*
* Utility library.
*/
#include <vstring.h>
/*
* External interface.
*/
#define HEX_ENCODE_FLAG_NONE (0)
#define HEX_ENCODE_FLAG_USE_COLON (1<<0)
#define HEX_DECODE_FLAG_NONE (0)
#define HEX_DECODE_FLAG_ALLOW_COLON (1<<0)
extern VSTRING *hex_encode(VSTRING *, const char *, ssize_t);
extern VSTRING *WARN_UNUSED_RESULT hex_decode(VSTRING *, const char *, ssize_t);
extern VSTRING *hex_encode_opt(VSTRING *, const char *, ssize_t, int);
extern VSTRING *WARN_UNUSED_RESULT hex_decode_opt(VSTRING *, const char *, ssize_t, int);
#define hex_encode(res, in, len) \
hex_encode_opt((res), (in), (len), HEX_ENCODE_FLAG_NONE)
#define hex_decode(res, in, len) \
hex_decode_opt((res), (in), (len), HEX_DECODE_FLAG_NONE)
/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/* P.O. Box 704
/* Yorktown Heights, NY 10598, USA
/*
/* Wietse Venema
/* Google, Inc.
/* 111 8th Avenue
/* New York, NY 10011, USA
/*--*/
#endif
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