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                                  bool destructive);
  17
  18         int (*create_compressor)(size_t max_block_size,
  19                                  unsigned int compression_level,
  20                                  bool destructive,
  21                                  void **private_ret);
  22
  23         size_t (*compress)(const void *uncompressed_data,
  24                            size_t uncompressed_size,
  25                            void *compressed_data,
  26                            size_t compressed_size_avail,
  27                            void *private);
  28
  29         void (*free_compressor)(void *private);
  30 };
  31
  32 extern const struct compressor_ops lzx_compressor_ops;
  33 extern const struct compressor_ops xpress_compressor_ops;
  34 extern const struct compressor_ops lzms_compressor_ops;
  35
  36 #endif /* _WIMLIB_COMPRESSOR_OPS_H */