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libbb/human_readable.c: shrink; and reduce bss usage

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also, move smart_ulltoaN there and comment usage locations

function                                             old     new   delta
static.unit_chars                                      7       9      +2
utoa_to_buf                                          110     108      -2
make_human_readable_str                              262     258      -4
fallbackSort                                        1723    1719      -4
static.fmt                                            97      92      -5
static.fmt_tenths                                     10       -     -10
static.str                                            21       4     -17
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/5 up/down: 2/-42)             Total: -40 bytes
   text    data     bss     dec     hex filename
 820981     453    6932  828366   ca3ce busybox_old
 820968     453    6916  828337   ca3b1 busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-10-13 01:25:09 +02:00
parent 76ace254e1
commit 0bf44d00a4
6 changed files with 158 additions and 146 deletions
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7
coreutils/du.c
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@@ -58,14 +58,17 @@ static void print(unsigned long size, const char *filename)
{
/* TODO - May not want to defer error checking here. */
#if ENABLE_FEATURE_HUMAN_READABLE
printf("%s\t%s\n", make_human_readable_str(size, 512, G.disp_hr),
printf("%s\t%s\n",
/* size x 512 / G.disp_hr, show one fractional,
* use suffixes if G.disp_hr == 0 */
make_human_readable_str(size, 512, G.disp_hr),
filename);
#else
if (G.disp_k) {
size++;
size >>= 1;
}
printf("%ld\t%s\n", size, filename);
printf("%lu\t%s\n", size, filename);
#endif
}