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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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23
coreutils/df.c
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@@ -92,7 +92,10 @@ int df_main(int argc, char **argv)
if (disp_units_hdr == NULL) {
#if ENABLE_FEATURE_HUMAN_READABLE
disp_units_hdr = xasprintf("%s-blocks",
make_human_readable_str(df_disp_hr, 0, !!(opt & OPT_POSIX)));
/* print df_disp_hr, show no fractionals,
* use suffixes if OPT_POSIX is set in opt */
make_human_readable_str(df_disp_hr, 0, !!(opt & OPT_POSIX))
);
#else
disp_units_hdr = xasprintf("%lu-blocks", df_disp_hr);
#endif
@@ -189,21 +192,27 @@ int df_main(int argc, char **argv)
#if ENABLE_FEATURE_HUMAN_READABLE
printf(" %9s ",
/* f_blocks x f_bsize / df_disp_hr, show one fractional,
* use suffixes if df_disp_hr == 0 */
make_human_readable_str(s.f_blocks, s.f_bsize, df_disp_hr));
printf(" %9s " + 1,
/* EXPR x f_bsize / df_disp_hr, show one fractional,
* use suffixes if df_disp_hr == 0 */
make_human_readable_str((s.f_blocks - s.f_bfree),
s.f_bsize, df_disp_hr));
printf("%9s %3u%% %s\n",
make_human_readable_str(s.f_bavail, s.f_bsize, df_disp_hr),
blocks_percent_used, mount_point);
/* f_bavail x f_bsize / df_disp_hr, show one fractional,
* use suffixes if df_disp_hr == 0 */
make_human_readable_str(s.f_bavail, s.f_bsize, df_disp_hr),
blocks_percent_used, mount_point);
#else
printf(" %9lu %9lu %9lu %3u%% %s\n",
kscale(s.f_blocks, s.f_bsize),
kscale(s.f_blocks - s.f_bfree, s.f_bsize),
kscale(s.f_bavail, s.f_bsize),
blocks_percent_used, mount_point);
kscale(s.f_blocks, s.f_bsize),
kscale(s.f_blocks - s.f_bfree, s.f_bsize),
kscale(s.f_bavail, s.f_bsize),
blocks_percent_used, mount_point);
#endif
}
}