rework long option handling. saves ~1.2k

function                                             old     new   delta
tar_longopts                                           -     222    +222
static.udhcpc_longopts                                 -     192    +192
start_stop_daemon_longopts                             -     150    +150
getopt32                                            1045    1185    +140
static.wget_longopts                                   -     111    +111
static.od_longopts                                     -     105    +105
getopt_longopts                                        -      96     +96
install_longopts                                       -      67     +67
ipcalc_longopts                                        -      63     +63
static.hwclock_longopts                                -      54     +54
ftpgetput_longopts                                     -      52     +52
static.dumpleases_longopts                             -      32     +32
env_longopts                                           -      31     +31
runparts_longopts                                      -      30     +30
mv_longopts                                            -      24     +24
mkdir_longopts                                         -      19     +19
find_pair                                            164     180     +16
bb_null_long_options                                   -      16     +16
setconsole_longopts                                    -      10     +10
display_speed                                         91      98      +7
collect_blk                                          467     474      +7
show_color                                             4       1      -3
ls_main                                              913     904      -9
bb_default_long_options                               16       -     -16
ls_color_opt                                          32      10     -22
setconsole_long_options                               32       -     -32
arith                                               2077    2030     -47
mv_long_options                                       48       -     -48
mkdir_long_options                                    48       -     -48
env_long_options                                      48       -     -48
static.options                                       248     184     -64
runparts_long_options                                 80       -     -80
ftpgetput_long_options                                96       -     -96
static.hwclock_long_options                          112       -    -112
install_long_options                                 112       -    -112
static.long_options                                  144       -    -144
static.wget_long_options                             160       -    -160
longopts                                             160       -    -160
static.arg_options                                   304       -    -304
tar_long_options                                     320       -    -320
long_options                                         384       -    -384
------------------------------------------------------------------------------
(add/remove: 17/15 grow/shrink: 4/5 up/down: 1444/-2209)     Total: -765 bytes
   text    data     bss     dec     hex filename
 782618    1328   11900  795846   c24c6 busybox_old
 781354    1328   11900  794582   c1fd6 busybox_unstripped

2 files changed, 22 insertions, 24 deletions

diff --git a/selinux/chcon.c b/selinux/chcon.c
index a8a816b..689ec8c 100644
--- a/selinux/chcon.c
+++ b/selinux/chcon.c
@@ -105,20 +105,19 @@ skip:
 }
 
 #if ENABLE_FEATURE_CHCON_LONG_OPTIONS
-static struct option chcon_options[] = {
-	{ "recursive",      0, NULL, 'R' },
-	{ "changes",        0, NULL, 'c' },
-	{ "no-dereference", 0, NULL, 'h' },
-	{ "silent",         0, NULL, 'f' },
-	{ "quiet",          0, NULL, 'f' },
-	{ "user",           1, NULL, 'u' },
-	{ "role",           1, NULL, 'r' },
-	{ "type",           1, NULL, 't' },
-	{ "range",          1, NULL, 'l' },
-	{ "verbose",        0, NULL, 'v' },
-	{ "reference",      1, NULL, 0xff }, /* no short option */
-	{ NULL,             0, NULL, 0 },
-};
+static const char chcon_longopts[] =
+	"recursive\0"      No_argument       "R"
+	"changes\0"        No_argument       "c"
+	"no-dereference\0" No_argument       "h"
+	"silent\0"         No_argument       "f"
+	"quiet\0"          No_argument       "f"
+	"user\0"           Required_argument "u"
+	"role\0"           Required_argument "r"
+	"type\0"           Required_argument "t"
+	"range\0"          Required_argument "l"
+	"verbose\0"        No_argument       "v"
+	"reference\0"      Required_argument "\xff" /* no short option */
+	"\0";
 #endif
 
 int chcon_main(int argc, char **argv);
@@ -129,7 +128,7 @@ int chcon_main(int argc, char **argv)
 	int i, errors = 0;
 
 #if ENABLE_FEATURE_CHCON_LONG_OPTIONS
-	applet_long_options = chcon_options;
+	applet_long_options = chcon_longopts;
 #endif
 	opt_complementary = "-1"  /* at least 1 param */
 		":?"  /* error if exclusivity constraints are violated */
diff --git a/selinux/runcon.c b/selinux/runcon.c
index 741c7bb..3502dcd 100644
--- a/selinux/runcon.c
+++ b/selinux/runcon.c
@@ -69,15 +69,14 @@ static context_t runcon_compute_new_context(char *user, char *role, char *type,
 }
 
 #if ENABLE_FEATURE_RUNCON_LONG_OPTIONS
-static const struct option runcon_options[] = {
-	{ "user",       1, NULL, 'u' },
-	{ "role",       1, NULL, 'r' },
-	{ "type",       1, NULL, 't' },
-	{ "range",      1, NULL, 'l' },
-	{ "compute",    0, NULL, 'c' },
-	{ "help",       0, NULL, 'h' },
-	{ NULL,         0, NULL, 0 },
-};
+static const char runcon_options[] =
+	"user\0"    Required_argument "u"
+	"role\0"    Required_argument "r"
+	"type\0"    Required_argument "t"
+	"range\0"   Required_argument "l"
+	"compute\0" No_argument "c"
+	"help\0"    No_argument "h"      
+	"\0";
 #endif
 
 #define OPTS_ROLE	(1<<0)	/* r */