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Code Issues Releases Activity

make pretty_size() more precise

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This commit is contained in:
Grigory Smolkin 2019-09-19 09:51:15 +03:00
parent 5b38c73089
commit 32e6407e03
1 changed files with 27 additions and 30 deletions

57
src/show.c

@ -16,6 +16,8 @@
#include "utils/json.h"
#define half_rounded(x) (((x) + ((x) < 0 ? 0 : 1)) / 2)
/* struct to align fields printed in plain format */
typedef struct ShowBackendRow
{
@ -141,7 +143,8 @@ do_show(const char *instance_name, time_t requested_backup_id, bool show_archive
void
pretty_size(int64 size, char *buf, size_t len)
{
int exp = 0;
int64 limit = 10 * 1024;
int64 limit2 = limit * 2 - 1;
/* minus means the size is invalid */
if (size < 0)
@ -150,36 +153,30 @@ pretty_size(int64 size, char *buf, size_t len)
return;
}
/* determine postfix */
while (size > 9999)
if (Abs(size) < limit)
snprintf(buf, len, "%dB", (int) size);
else
{
++exp;
size /= 1000;
}
switch (exp)
{
case 0:
snprintf(buf, len, "%dB", (int) size);
break;
case 1:
snprintf(buf, len, "%dkB", (int) size);
break;
case 2:
snprintf(buf, len, "%dMB", (int) size);
break;
case 3:
snprintf(buf, len, "%dGB", (int) size);
break;
case 4:
snprintf(buf, len, "%dTB", (int) size);
break;
case 5:
snprintf(buf, len, "%dPB", (int) size);
break;
default:
strncpy(buf, "***", len);
break;
size >>= 9;
if (Abs(size) < limit2)
snprintf(buf, len, "%dkB", (int) half_rounded(size));
else
{
size >>= 10;
if (Abs(size) < limit2)
snprintf(buf, len, "%dMB", (int) half_rounded(size));
else
{
size >>= 10;
if (Abs(size) < limit2)
snprintf(buf, len, "%dGB", (int) half_rounded(size));
else
{
size >>= 10;
snprintf(buf, len, "%dTB", (int) half_rounded(size));
}
}
}
}
}