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Integer-only coolsize() (#84)

This commit is contained in:
Alex Suykov 2018-03-01 09:52:25 +02:00 committed by Arun Prakash Jana
parent 1ad5a7bd7d
commit 7be0726164
1 changed files with 15 additions and 5 deletions
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20
nnn.c
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@ -80,6 +80,7 @@
#endif
#include <ftw.h>
#include <wchar.h>
#include <inttypes.h>
#include "nnn.h"
@ -1439,10 +1440,8 @@ coolsize(off_t size)
{
static const char * const U = "BKMGTPEZY";
static char size_buf[12]; /* Buffer to hold human readable size */
static int i;
static long double rem;
static const double div_2_pow_10 = 1.0 / 1024.0;
static int rem, i;
static int fdig; /* number of fractional digits to show */
i = 0;
rem = 0;
@ -1453,7 +1452,18 @@ coolsize(off_t size)
++i;
}
snprintf(size_buf, 12, "%.*Lf%c", i, size + rem * div_2_pow_10, U[i]);
rem = (1000 * rem) >> 10; /* convert 1024th fractions to 1000th */
fdig = 3;
/* Show 1 decimal for KB sizes and 2 decimals for MBs. */
if (i < 3) { --fdig; rem = (rem + 5) / 10; }
if (i < 2) { --fdig; rem = (rem + 5) / 10; }
if (i > 0)
snprintf(size_buf, 12, "%" PRId64 ".%0*i%c", size, fdig, rem, U[i]);
else
snprintf(size_buf, 12, "%" PRId64 "%c", size, U[i]);
return size_buf;
}