include/contrac/utils.h

   1 /** \ingroup contrac
   2  * @file
   3  * @author      David Llewellyn-Jones
   4  * @version     $(VERSION)
   5  *
   6  * @section LICENSE
   7  *
   8  *
   9  *
  10  * @brief
  11  * @section DESCRIPTION
  12  *
  13  *
  14  *
  15  */
  16
  17
  18 #ifndef __UTILS_H
  19 #define __UTILS_H
  20
  21 // Includes
  22
  23 #include <time.h>
  24
  25 // Defines
  26
  27 #define MAX(a,b) \
  28         ({ __typeof__ (a) _a = (a); \
  29                 __typeof__ (b) _b = (b); \
  30                 _a > _b ? _a : _b; })
  31
  32 #define MIN(a,b) \
  33         ({ __typeof__ (a) _a = (a); \
  34                 __typeof__ (b) _b = (b); \
  35                 _a < _b ? _a : _b; })
  36
  37 // Structures
  38
  39 // Function prototypes
  40
  41 size_t base64_encode_size(size_t binary_input);
  42 size_t base64_decode_size(size_t base64_input);
  43 void base64_encode_binary_to_base64(unsigned char const *input, size_t input_size, unsigned char *output, size_t *output_size);
  44 void base64_decode_base64_to_binary(unsigned char const *input, size_t input_size, unsigned char *output, size_t *output_size);
  45
  46 uint32_t epoch_to_day_number(time_t epoch);
  47 uint8_t epoch_to_time_interval_number(time_t epoch);
  48
  49 // Function definitions
  50
  51 #endif // __UTILS_H
  52
  53
  54
  55
  56