http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/clplumbing/base64.h

/* $Id: base64.h,v 1.4 2005/07/28 08:20:05 sunjd Exp $ */ /* * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef _CLPLUMBING_BASE64_H # define _CLPLUMBING_BASE64_H /* * * Base64 conversion functions. * They convert from a binary array into a single string * in base 64. This is almost (but not quite) like section 5.2 of RFC 1341 * The only difference is that we don't care about line lengths. * We do use their encoding algorithm. * */ #define B64inunit 3 #define B64outunit 4 /* How long will the base64 string be for a particular binary object size? */ /* This is like strlen() and doesn't include the '\0' byte at the end */ #define B64_stringlen(bytes) \ ((((bytes)+(B64inunit-1))/B64inunit)*B64outunit) /* How many bytes to you need to malloc to store a base64 string? */ /* (includes space for the '\0' terminator byte) */ #define B64_stringspace(bytes) (B64_stringlen(bytes)+1) /* How many bytes will a base64 string take up back in binary? */ /* Note: This may be as much as two 2 bytes more than strictly needed */ #define B64_maxbytelen(slen) (((slen) / B64outunit)*B64inunit) /* Returns strlen() of base64 string returned in "output" */ int binary_to_base64(const void * data, int nbytes, char * output, int outlen); /* Returns the size of the binary object we returned in "output" */ int base64_to_binary(const char * input, int inlen, void * output, int outlen); #endif