bitstream.h 1.6 KB

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  1. /*
  2. * qrencode - QR Code encoder
  3. *
  4. * Binary sequence class.
  5. * Copyright (C) 2006-2017 Kentaro Fukuchi <kentaro@fukuchi.org>
  6. *
  7. * This library is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU Lesser General Public
  9. * License as published by the Free Software Foundation; either
  10. * version 2.1 of the License, or any later version.
  11. *
  12. * This library is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with this library; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  20. */
  21. #include <stddef.h>
  22. #ifndef BITSTREAM_H
  23. #define BITSTREAM_H
  24. typedef struct {
  25. size_t length;
  26. size_t datasize;
  27. unsigned char* data;
  28. } BitStream;
  29. extern BitStream* BitStream_new(void);
  30. #ifdef WITH_TESTS
  31. extern BitStream* BitStream_newWithBits(size_t size, unsigned char* bits);
  32. #endif
  33. extern int BitStream_append(BitStream* bstream, BitStream* arg);
  34. extern int BitStream_appendNum(BitStream* bstream, size_t bits, unsigned int num);
  35. extern int BitStream_appendBytes(BitStream* bstream, size_t size, unsigned char* data);
  36. #define BitStream_size(__bstream__) (__bstream__->length)
  37. #define BitStream_reset(__bstream__) (__bstream__->length = 0)
  38. extern unsigned char* BitStream_toByte(BitStream* bstream);
  39. extern void BitStream_free(BitStream* bstream);
  40. #endif /* BITSTREAM_H */