scrypt-1.2.1/libcperciva/util/humansize.h

   1 #ifndef _HUMANSIZE_H_
   2 #define _HUMANSIZE_H_
   3
   4 #include <stdint.h>
   5
   6 /**
   7  * humansize(size):
   8  * Given a size in bytes, allocate and return a string of the form "<N> B"
   9  * for 0 <= N <= 999 or "<X> <prefix>B" where either 10 <= X <= 999 or
  10  * 1.0 <= X <= 9.9 and <prefix> is "k", "M", "G", "T", "P", or "E"; and where
  11  * the value returned is the largest valid value <= the provided size.
  12  */
  13 char * humansize(uint64_t);
  14
  15 /**
  16  * humansize_parse(s, size):
  17  * Parse a string matching /[0-9]+ ?[kMGTPE]?B?/ as a size in bytes.
  18  */
  19 int humansize_parse(const char *, uint64_t *);
  20
  21 #endif /* !_HUMANSIZE_H_ */