src/common/base64.h

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail teams
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifndef __BASE64_H__
  21 #define __BASE64_H__
  22
  23 #include <glib.h>
  24
  25 #define B64LEN(len)     ((len) / 3 * 4 + ((len) % 3 ? 4 : 0))
  26
  27 typedef struct _Base64Decoder   Base64Decoder;
  28
  29 struct _Base64Decoder
  30 {
  31         gint buf_len;
  32         gchar buf[4];
  33 };
  34
  35 void base64_encode      (gchar          *out,
  36                          const guchar   *in,
  37                          gint            inlen);
  38 gint base64_decode      (guchar         *out,
  39                          const gchar    *in,
  40                          gint            inlen);
  41
  42 Base64Decoder *base64_decoder_new       (void);
  43 void           base64_decoder_free      (Base64Decoder  *decoder);
  44 gint           base64_decoder_decode    (Base64Decoder  *decoder,
  45                                          const gchar    *in,
  46                                          guchar         *out);
  47
  48 #endif /* __BASE64_H__ */