getopt32: add new syntax of 'o:+' and 'o:*' for -o NUM and -o LIST

In many cases, this aqllows to drop use of opt_complementary.
Approximately -400 bytes:

function                                             old     new   delta
getopt32                                            1423    1502     +79
opt_string                                            17      18      +1
OPT_STR                                               24      25      +1
uniq_main                                            416     406     -10
timeout_main                                         279     269     -10
sulogin_main                                         270     260     -10
readprofile_main                                    1825    1815     -10
ps_main                                              543     533     -10
pidof_main                                           245     235     -10
pgrep_main                                           611     601     -10
od_main                                             2600    2590     -10
mkfs_minix_main                                     2684    2674     -10
mkfs_ext2_main                                      2603    2593     -10
microcom_main                                        712     702     -10
makemime_main                                        315     305     -10
ionice_main                                          282     272     -10
inetd_main                                          2074    2064     -10
ifplugd_main                                        1144    1134     -10
halt_main                                            353     343     -10
getopt_main                                          636     626     -10
fdisk_main                                          2854    2844     -10
env_main                                             206     196     -10
dmesg_main                                           319     309     -10
conspy_main                                         1214    1204     -10
awk_main                                             981     971     -10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/22 up/down: 81/-220)         Total: -139 bytes
   text	   data	    bss	    dec	    hex	filename
 919373	    906	  14060	 934339	  e41c3	busybox_old
 918969	    906	  14060	 933935	  e402f	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2016-07-06 21:58:02 +02:00
parent 0844b5afe2
commit 237bedd499
58 changed files with 168 additions and 159 deletions

View File

@@ -226,8 +226,8 @@ int du_main(int argc UNUSED_PARAM, char **argv)
* ignore -a. This is consistent with -s being equivalent to -d 0.
*/
#if ENABLE_FEATURE_HUMAN_READABLE
opt_complementary = "h-km:k-hm:m-hk:H-L:L-H:s-d:d-s:d+";
opt = getopt32(argv, "aHkLsx" "d:" "lc" "hm", &G.max_print_depth);
opt_complementary = "h-km:k-hm:m-hk:H-L:L-H:s-d:d-s";
opt = getopt32(argv, "aHkLsx" "d:+" "lc" "hm", &G.max_print_depth);
argv += optind;
if (opt & OPT_h_for_humans) {
G.disp_unit = 0;
@@ -239,8 +239,8 @@ int du_main(int argc UNUSED_PARAM, char **argv)
G.disp_unit = 1024;
}
#else
opt_complementary = "H-L:L-H:s-d:d-s:d+";
opt = getopt32(argv, "aHkLsx" "d:" "lc", &G.max_print_depth);
opt_complementary = "H-L:L-H:s-d:d-s";
opt = getopt32(argv, "aHkLsx" "d:+" "lc", &G.max_print_depth);
argv += optind;
#if !ENABLE_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
if (opt & OPT_k_kbytes) {