Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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#include "fmt.h"
size_t fmt_humank(char* dest,unsigned long long l) {
char unit;
size_t i;
if (l<1000) return fmt_ulong(dest,l);
if (l>1024*1024*1024*1024ull) {
l=(l+(1024*1024*1024*1024ull/20))/(1024*1024*1024*1024ull/10);
unit='T';
} else if (l>1024*1024*1024) {
l=(l+(1024*1024*1024/20))/(1024*1024*1024/10);
unit='G';
} else if (l>1024*1024) {
l=(l+(1024*1024/20))/(1024*1024/10);
unit='M';
} else {
l=(l+(1024/20))/(1024/10);
unit='k';
}
if (!dest) return fmt_ulong(0,l)+2;
i=fmt_ulong(dest,l/10);
dest[i]='.';
dest[i+1]=(char)((l%10)+'0');
dest[i+2]=unit;
return i+3;
}