human.c - sbase - suckless unix tools
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       ---
       human.c (476B)
       ---
            1 /* See LICENSE file for copyright and license details. */
            2 #include <stdio.h>
            3 #include <string.h>
            4 #include <stdint.h>
            5 
            6 #include "../util.h"
            7 
            8 char *
            9 humansize(off_t n)
           10 {
           11         static char buf[16];
           12         const char postfixes[] = "BKMGTPE";
           13         double size;
           14         int i;
           15 
           16         for (size = n, i = 0; size >= 1024 && i < strlen(postfixes); i++)
           17                 size /= 1024;
           18 
           19         if (!i)
           20                 snprintf(buf, sizeof(buf), "%ju", (uintmax_t)n);
           21         else
           22                 snprintf(buf, sizeof(buf), "%.1f%c", size, postfixes[i]);
           23 
           24         return buf;
           25 }