lua/src/crc32.h

   1 /***
   2  32-bit Cyclic Redundancy Check
   3  @classmod a.crc32
   4 */
   5
   6 #ifndef LUA_LIBA_CRC32_H
   7 #define LUA_LIBA_CRC32_H
   8
   9 #include "a.h"
  10
  11 /***
  12  32-bit Cyclic Redundancy Check
  13  @field table Cyclic Redundancy Check comparison table
  14  @table a.crc32
  15 */
  16 #if defined(__cplusplus)
  17 extern "C" {
  18 #endif /* __cplusplus */
  19
  20 /***
  21  constructor for 32-bit Cyclic Redundancy Check
  22  @tparam integer poly polynomial that is CRC's divisor
  23  @tparam boolean reversed whether or not to reverse
  24  @treturn a.crc32 32-bit Cyclic Redundancy Check userdata
  25  @function new
  26 */
  27 int liba_crc32_new(lua_State *L);
  28
  29 /***
  30  generate for 32-bit Cyclic Redundancy Check
  31  @tparam integer poly polynomial that is CRC's divisor
  32  @tparam boolean reversed whether or not to reverse
  33  @treturn a.crc32 32-bit Cyclic Redundancy Check userdata
  34  @function gen
  35 */
  36 int liba_crc32_gen(lua_State *L);
  37
  38 /***
  39  calculate for 32-bit Cyclic Redundancy Check
  40  @tparam string block block to be processed
  41  @tparam integer value initial value
  42  @treturn integer output value
  43  @function eval
  44 */
  45 int liba_crc32_eval(lua_State *L);
  46
  47 /***
  48  pack a block and its 32-bit Cyclic Redundancy Check value
  49  @tparam string block block to be processed
  50  @tparam integer value initial value
  51  @treturn string packed block
  52  @function pack
  53 */
  54 int liba_crc32_pack(lua_State *L);
  55
  56 #if defined(__cplusplus)
  57 } /* extern "C" */
  58 #endif /* __cplusplus */
  59
  60 #endif /* crc32.h */