lib/base64.h

   1 /*
   2  * This is part of the libb64 project, and has been placed in the public domain.
   3  * For details, see http://sourceforge.net/projects/libb64
   4  */
   5
   6 #ifndef _BASE64_H_
   7 #define _BASE64_H_
   8
   9 enum base64_encodestep {
  10         step_A, step_B, step_C
  11 };
  12
  13 struct base64_encodestate {
  14         enum base64_encodestep step;
  15         char result;
  16         int stepcount;
  17 };
  18
  19 void base64_init_encodestate(struct base64_encodestate *state_in);
  20
  21 char base64_encode_value(char value_in);
  22
  23 int base64_encode_block(const char *plaintext_in, int length_in, char *code_out,
  24                         struct base64_encodestate *state_in);
  25
  26 int base64_encode_blockend(char *code_out, struct base64_encodestate *state_in);
  27
  28
  29 enum base64_decodestep {
  30         step_a, step_b, step_c, step_d
  31 };
  32
  33 struct base64_decodestate {
  34         enum base64_decodestep step;
  35         char plainchar;
  36 };
  37
  38 void base64_init_decodestate(struct base64_decodestate *state_in);
  39
  40 signed char base64_decode_value(signed char value_in);
  41
  42 int base64_decode_block(const char *code_in, int length_in, char *plaintext_out,
  43                         struct base64_decodestate *state_in);
  44
  45 #endif /* _BASE64_H_ */