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

@@ -34,8 +34,7 @@ int dmesg_main(int argc UNUSED_PARAM, char **argv)
OPT_r = 1 << 3
};
opt_complementary = "s+:n+"; /* numeric */
opts = getopt32(argv, "cs:n:r", &len, &level);
opts = getopt32(argv, "cs:+n:+r", &len, &level);
if (opts & OPT_n) {
if (klogctl(8, NULL, (long) level))
bb_perror_msg_and_die("klogctl");

View File

@@ -2919,8 +2919,7 @@ int fdisk_main(int argc UNUSED_PARAM, char **argv)
close_dev_fd(); /* needed: fd 3 must not stay closed */
opt_complementary = "b+:C+:H+:S+"; /* numeric params */
opt = getopt32(argv, "b:C:H:lS:u" IF_FEATURE_FDISK_BLKSIZE("s"),
opt = getopt32(argv, "b:+C:+H:+lS:+u" IF_FEATURE_FDISK_BLKSIZE("s"),
&sector_size, &user_cylinders, &user_heads, &user_sectors);
argv += optind;
if (opt & OPT_b) {

View File

@@ -397,8 +397,7 @@ int getopt_main(int argc, char **argv)
opt = getopt32(argv, "+o:n:qQs:Tu", &optstr, &name, &s_arg);
#else
applet_long_options = getopt_longopts;
opt_complementary = "l::";
opt = getopt32(argv, "+o:n:qQs:Tual:",
opt = getopt32(argv, "+o:n:qQs:Tual:*",
&optstr, &name, &s_arg, &l_arg);
/* Effectuate the read options for the applet itself */
while (l_arg) {

View File

@@ -244,8 +244,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
// using global "option_mask32" instead of local "opts":
// we are register starved here
opt_complementary = "-1:b+:i+:I+:m+";
/*opts =*/ getopt32(argv, "cl:b:f:i:I:J:G:N:m:o:g:L:M:O:r:E:T:U:jnqvFS",
/*opts =*/ getopt32(argv, "cl:b:+f:i:+I:+J:G:N:m:+o:g:L:M:O:r:E:T:U:jnqvFS",
/*lbfi:*/ NULL, &bs, NULL, &bpi,
/*IJGN:*/ &user_inodesize, NULL, NULL, NULL,
/*mogL:*/ &reserved_percent, NULL, NULL, &label,

View File

@@ -604,8 +604,7 @@ int mkfs_minix_main(int argc UNUSED_PARAM, char **argv)
bb_error_msg_and_die("bad inode size");
#endif
opt_complementary = "n+"; /* -n N */
opt = getopt32(argv, "ci:l:n:v", &str_i, &listfile, &G.namelen);
opt = getopt32(argv, "ci:l:n:+v", &str_i, &listfile, &G.namelen);
argv += optind;
//if (opt & 1) -c
if (opt & 2) G.req_nr_inodes = xatoul(str_i); // -i

View File

@@ -169,8 +169,8 @@ int mkfs_reiser_main(int argc UNUSED_PARAM, char **argv)
// using global "option_mask32" instead of local "opts":
// we are register starved here
opt_complementary = "-1:b+";
/*opts =*/ getopt32(argv, "b:j:s:o:t:B:h:u:l:fqd",
opt_complementary = "-1";
/*opts =*/ getopt32(argv, "b:+j:s:o:t:B:h:u:l:fqd",
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &label);
argv += optind; // argv[0] -- device

View File

@@ -268,7 +268,7 @@ enum {
};
#define OPTION_STR "o:t:rwanfvsiO:" IF_FEATURE_MOUNT_OTHERTAB("T:")
#define OPTION_STR "o:*t:rwanfvsiO:" IF_FEATURE_MOUNT_OTHERTAB("T:")
enum {
OPT_o = (1 << 0),
OPT_t = (1 << 1),
@@ -2167,7 +2167,7 @@ int mount_main(int argc UNUSED_PARAM, char **argv)
// Parse remaining options
// Max 2 params; -o is a list, -v is a counter
opt_complementary = "?2o::" IF_FEATURE_MOUNT_VERBOSE("vv");
opt_complementary = "?2" IF_FEATURE_MOUNT_VERBOSE("vv");
opt = getopt32(argv, OPTION_STR, &lst_o, &fstype, &O_optmatch
IF_FEATURE_MOUNT_OTHERTAB(, &fstabname)
IF_FEATURE_MOUNT_VERBOSE(, &verbose));

View File

@@ -99,8 +99,7 @@ int readprofile_main(int argc UNUSED_PARAM, char **argv)
proFile = defaultpro;
mapFile = defaultmap;
opt_complementary = "M+"; /* -M N */
opt = getopt32(argv, "M:m:p:nabsirv", &multiplier, &mapFile, &proFile);
opt = getopt32(argv, "M:+m:p:nabsirv", &multiplier, &mapFile, &proFile);
if (opt & (OPT_M|OPT_r)) { /* mult or reset, or both */
int fd, to_write;