morpheus-base

morpheus base system
git clone git://git.2f30.org/morpheus-base
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human.c (430B)

      1 /* See LICENSE file for copyright and license details. */
      2 #include <stdio.h>
      3 #include <string.h>
      4 
      5 #include "../util.h"
      6 
      7 char *
      8 humansize(double n)
      9 {
     10 	static char buf[16];
     11 	const char postfixes[] = "BKMGTPE";
     12 	size_t i;
     13 
     14 	for (i = 0; n >= 1024 && i < strlen(postfixes); i++)
     15 		n /= 1024;
     16 
     17 	if (!i)
     18 		snprintf(buf, sizeof(buf), "%lu", (unsigned long)n);
     19 	else
     20 		snprintf(buf, sizeof(buf), "%.1f%c", n, postfixes[i]);
     21 	return buf;
     22 }