micro-utils/include/libmu/human.h

31 lines
500 B
C

#ifndef _HUMAN_H
#define _HUMAN_H
#include <stdlib.h>
#include <stdint.h>
#define MU_HUMAN_BUF_SIZE 16
char *mu_humansize(off_t n, off_t block) {
static char buf[MU_HUMAN_BUF_SIZE + 1];
memset(buf, '\0', sizeof(buf));
char *postfixes = "BKMGTPE";
double size = n;
size_t i;
for (i = 0; i < strlen(postfixes) && size >= block; i++)
size /= block;
if (i)
snprintf(buf, sizeof(buf), "%.1f%c", size, postfixes[i]);
else
snprintf(buf, sizeof(buf), "%ju", n);
return buf;
}
#endif