wimlib.net Git - wimlib/blob - include/wimlib/compressor_ops.h

   1 /*
   2  * compressor_ops.h
   3  *
   4  * Interface implemented by compressors for specific formats.
   5  */
   6
   7 #ifndef _WIMLIB_COMPRESSOR_OPS_H
   8 #define _WIMLIB_COMPRESSOR_OPS_H
   9
  10 #include "wimlib/types.h"
  11
  12 struct compressor_ops {
  13
  14         u64 (*get_needed_memory)(size_t max_block_size,
  15                                  unsigned int compression_level);
  16
  17         int (*create_compressor)(size_t max_block_size,
  18                                  unsigned int compression_level,
  19                                  void **private_ret);
  20
  21         size_t (*compress)(const void *uncompressed_data,
  22                            size_t uncompressed_size,
  23                            void *compressed_data,
  24                            size_t compressed_size_avail,
  25                            void *private);
  26
  27         void (*free_compressor)(void *private);
  28 };
  29
  30 extern const struct compressor_ops lzx_compressor_ops;
  31 extern const struct compressor_ops xpress_compressor_ops;
  32 extern const struct compressor_ops lzms_compressor_ops;
  33
  34 #endif /* _WIMLIB_COMPRESSOR_OPS_H */