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>
diff --git a/archival/tar.c b/archival/tar.c
index 7434e22..8e315c6 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -980,7 +980,6 @@
 	/* Prepend '-' to the first argument if required */
 	opt_complementary = "--:" // first arg is options
 		"tt:vv:" // count -t,-v
-		IF_FEATURE_TAR_FROM("X::T::") // cumulative lists
 #if ENABLE_FEATURE_TAR_LONG_OPTIONS && ENABLE_FEATURE_TAR_FROM
 		"\xff::" // --exclude=PATTERN is a list
 #endif
@@ -1032,13 +1031,13 @@
 #endif
 	opt = getopt32(argv,
 		"txC:f:Oopvk"
-		IF_FEATURE_TAR_CREATE(   "ch"  )
-		IF_FEATURE_SEAMLESS_BZ2( "j"   )
-		IF_FEATURE_SEAMLESS_LZMA("a"   )
-		IF_FEATURE_TAR_FROM(     "T:X:")
-		IF_FEATURE_SEAMLESS_GZ(  "z"   )
-		IF_FEATURE_SEAMLESS_XZ(  "J"   )
-		IF_FEATURE_SEAMLESS_Z(   "Z"   )
+		IF_FEATURE_TAR_CREATE(   "ch"    )
+		IF_FEATURE_SEAMLESS_BZ2( "j"     )
+		IF_FEATURE_SEAMLESS_LZMA("a"     )
+		IF_FEATURE_TAR_FROM(     "T:*X:*")
+		IF_FEATURE_SEAMLESS_GZ(  "z"     )
+		IF_FEATURE_SEAMLESS_XZ(  "J"     )
+		IF_FEATURE_SEAMLESS_Z(   "Z"     )
 		IF_FEATURE_TAR_NOPRESERVE_TIME("m")
 		IF_FEATURE_TAR_LONG_OPTIONS("\xf9:") // --strip-components
 		, &base_dir // -C dir
diff --git a/coreutils/du.c b/coreutils/du.c
index 1240bcb..5f10473 100644
--- a/coreutils/du.c
+++ b/coreutils/du.c
@@ -226,8 +226,8 @@
 	 * 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 @@
 		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) {
diff --git a/coreutils/env.c b/coreutils/env.c
index 807ef13..cdfc30e 100644
--- a/coreutils/env.c
+++ b/coreutils/env.c
@@ -54,11 +54,10 @@
 	unsigned opts;
 	llist_t *unset_env = NULL;
 
-	opt_complementary = "u::";
 #if ENABLE_FEATURE_ENV_LONG_OPTIONS
 	applet_long_options = env_longopts;
 #endif
-	opts = getopt32(argv, "+iu:", &unset_env);
+	opts = getopt32(argv, "+iu:+", &unset_env);
 	argv += optind;
 	if (argv[0] && LONE_DASH(argv[0])) {
 		opts |= 1;
diff --git a/coreutils/od_bloaty.c b/coreutils/od_bloaty.c
index c8a6541..f13bdfc 100644
--- a/coreutils/od_bloaty.c
+++ b/coreutils/od_bloaty.c
@@ -62,7 +62,7 @@
 };
 
 #define OD_GETOPT32() getopt32(argv, \
-	"A:N:abcdfhij:lot:vxsS:w::", \
+	"A:N:abcdfhij:lot:*vxsS:w:+:", \
 	/* -w with optional param */ \
 	/* -S was -s and also had optional parameter */ \
 	/* but in coreutils 6.3 it was renamed and now has */ \
@@ -1212,7 +1212,6 @@
 	address_pad_len_char = '7';
 
 	/* Parse command line */
-	opt_complementary = "w+:t::"; /* -w N, -t is a list */
 #if ENABLE_LONG_OPTS
 	applet_long_options = od_longopts;
 #endif
diff --git a/coreutils/sort.c b/coreutils/sort.c
index 9139d9f..34a4199 100644
--- a/coreutils/sort.c
+++ b/coreutils/sort.c
@@ -73,7 +73,7 @@
 */
 
 /* These are sort types */
-static const char OPT_STR[] ALIGN1 = "ngMucszbrdfimS:T:o:k:t:";
+static const char OPT_STR[] ALIGN1 = "ngMucszbrdfimS:T:o:k:*t:";
 enum {
 	FLAG_n  = 1,            /* Numeric sort */
 	FLAG_g  = 2,            /* Sort using strtod() */
@@ -358,8 +358,7 @@
 
 	/* Parse command line options */
 	/* -o and -t can be given at most once */
-	opt_complementary = "o--o:t--t:" /* -t, -o: at most one of each */
-			"k::"; /* -k takes list */
+	opt_complementary = "o--o:t--t"; /* -t, -o: at most one of each */
 	opts = getopt32(argv, OPT_STR, &str_ignored, &str_ignored, &str_o, &lst_k, &str_t);
 	/* global b strips leading and trailing spaces */
 	if (opts & FLAG_b)
diff --git a/coreutils/split.c b/coreutils/split.c
index e67c3de..19d58a2 100644
--- a/coreutils/split.c
+++ b/coreutils/split.c
@@ -81,8 +81,8 @@
 
 	setup_common_bufsiz();
 
-	opt_complementary = "?2:a+"; /* max 2 args; -a N */
-	opt = getopt32(argv, "l:b:a:", &count_p, &count_p, &suffix_len);
+	opt_complementary = "?2"; /* max 2 args; -a N */
+	opt = getopt32(argv, "l:b:a:+", &count_p, &count_p, &suffix_len);
 
 	if (opt & SPLIT_OPT_l)
 		cnt = XATOOFF(count_p);
diff --git a/coreutils/tail.c b/coreutils/tail.c
index 39f8767..57ad0f3 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -121,8 +121,8 @@
 #endif
 
 	/* -s NUM, -F imlies -f */
-	IF_FEATURE_FANCY_TAIL(opt_complementary = "s+:Ff";)
-	opt = getopt32(argv, "fc:n:" IF_FEATURE_FANCY_TAIL("qs:vF"),
+	IF_FEATURE_FANCY_TAIL(opt_complementary = "Ff";)
+	opt = getopt32(argv, "fc:n:" IF_FEATURE_FANCY_TAIL("qs:+vF"),
 			&str_c, &str_n IF_FEATURE_FANCY_TAIL(,&sleep_period));
 #define FOLLOW (opt & 0x1)
 #define COUNT_BYTES (opt & 0x2)
diff --git a/coreutils/uniq.c b/coreutils/uniq.c
index e013399..ec7bde4 100644
--- a/coreutils/uniq.c
+++ b/coreutils/uniq.c
@@ -50,8 +50,7 @@
 	skip_fields = skip_chars = 0;
 	max_chars = INT_MAX;
 
-	opt_complementary = "f+:s+:w+";
-	opt = getopt32(argv, "cduf:s:w:", &skip_fields, &skip_chars, &max_chars);
+	opt = getopt32(argv, "cduf:+s:+w:+", &skip_fields, &skip_chars, &max_chars);
 	argv += optind;
 
 	input_filename = argv[0];
diff --git a/debianutils/run_parts.c b/debianutils/run_parts.c
index c671b92..0bb666a 100644
--- a/debianutils/run_parts.c
+++ b/debianutils/run_parts.c
@@ -181,8 +181,8 @@
 	applet_long_options = runparts_longopts;
 #endif
 	/* We require exactly one argument: the directory name */
-	opt_complementary = "=1:a::";
-	getopt32(argv, "a:u:", &arg_list, &umask_p);
+	opt_complementary = "=1";
+	getopt32(argv, "a:*u:", &arg_list, &umask_p);
 
 	umask(xstrtou_range(umask_p, 8, 0, 07777));
 
diff --git a/editors/awk.c b/editors/awk.c
index 6981646..d0269b9 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -72,12 +72,9 @@
 
 
 #define OPTSTR_AWK \
-	"F:v:f:" \
-	IF_FEATURE_AWK_GNU_EXTENSIONS("e:") \
+	"F:v:*f:*" \
+	IF_FEATURE_AWK_GNU_EXTENSIONS("e:*") \
 	"W:"
-#define OPTCOMPLSTR_AWK \
-	"v::f::" \
-	IF_FEATURE_AWK_GNU_EXTENSIONS("e::")
 enum {
 	OPTBIT_F,	/* define field separator */
 	OPTBIT_v,	/* define variable */
@@ -3209,7 +3206,6 @@
 			*s1 = '=';
 		}
 	}
-	opt_complementary = OPTCOMPLSTR_AWK;
 	opt = getopt32(argv, OPTSTR_AWK, &opt_F, &list_v, &list_f, IF_FEATURE_AWK_GNU_EXTENSIONS(&list_e,) NULL);
 	argv += optind;
 	argc -= optind;
diff --git a/editors/diff.c b/editors/diff.c
index ff26936..75229ad 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -982,11 +982,11 @@
 	INIT_G();
 
 	/* exactly 2 params; collect multiple -L <label>; -U N */
-	opt_complementary = "=2:L::U+";
+	opt_complementary = "=2";
 #if ENABLE_FEATURE_DIFF_LONG_OPTIONS
 	applet_long_options = diff_longopts;
 #endif
-	getopt32(argv, "abdiL:NqrsS:tTU:wupBE",
+	getopt32(argv, "abdiL:*NqrsS:tTU:+wupBE",
 			&L_arg, &s_start, &opt_U_context);
 	argv += optind;
 	while (L_arg)
diff --git a/editors/sed.c b/editors/sed.c
index f37c37d..c0d79cc 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -1503,8 +1503,7 @@
 	/* do normal option parsing */
 	opt_e = opt_f = NULL;
 	opt_i = NULL;
-	opt_complementary = "e::f::" /* can occur multiple times */
-	                    "nn"; /* count -n */
+	opt_complementary = "nn"; /* count -n */
 
 	IF_LONG_OPTS(applet_long_options = sed_longopts);
 
@@ -1513,7 +1512,7 @@
 	 * GNU sed 4.2.1 mentions it in neither --help
 	 * nor manpage, but does recognize it.
 	 */
-	opt = getopt32(argv, "i::rEne:f:", &opt_i, &opt_e, &opt_f,
+	opt = getopt32(argv, "i::rEne:*f:*", &opt_i, &opt_e, &opt_f,
 			    &G.be_quiet); /* counter for -n */
 	//argc -= optind;
 	argv += optind;
diff --git a/findutils/grep.c b/findutils/grep.c
index aeb7977..7e0120b 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -115,8 +115,8 @@
 //usage:#define fgrep_full_usage ""
 
 #define OPTSTR_GREP \
-	"lnqvscFiHhe:f:Lorm:wx" \
-	IF_FEATURE_GREP_CONTEXT("A:B:C:") \
+	"lnqvscFiHhe:*f:*Lorm:+wx" \
+	IF_FEATURE_GREP_CONTEXT("A:+B:+C:+") \
 	IF_FEATURE_GREP_EGREP_ALIAS("E") \
 	IF_EXTRA_COMPAT("z") \
 	"aI"
@@ -695,7 +695,7 @@
 #if ENABLE_FEATURE_GREP_CONTEXT
 	/* -H unsets -h; -C unsets -A,-B; -e,-f are lists;
 	 * -m,-A,-B,-C have numeric param */
-	opt_complementary = "H-h:C-AB:e::f::m+:A+:B+:C+";
+	opt_complementary = "H-h:C-AB";
 	opts = getopt32(argv,
 		OPTSTR_GREP,
 		&pattern_head, &fopt, &max_matches,
@@ -724,7 +724,7 @@
 #else
 	/* with auto sanity checks */
 	/* -H unsets -h; -c,-q or -l unset -n; -e,-f are lists; -m N */
-	opt_complementary = "H-h:c-n:q-n:l-n:e::f::m+";
+	opt_complementary = "H-h:c-n:q-n:l-n:";
 	getopt32(argv, OPTSTR_GREP,
 		&pattern_head, &fopt, &max_matches);
 #endif
diff --git a/init/halt.c b/init/halt.c
index 572d751..29e6065 100644
--- a/init/halt.c
+++ b/init/halt.c
@@ -113,12 +113,11 @@
 		continue;
 
 	/* Parse and handle arguments */
-	opt_complementary = "d+"; /* -d N */
 	/* We support -w even if !ENABLE_FEATURE_WTMP,
 	 * in order to not break scripts.
 	 * -i (shut down network interfaces) is ignored.
 	 */
-	flags = getopt32(argv, "d:nfwi", &delay);
+	flags = getopt32(argv, "d:+nfwi", &delay);
 
 	sleep(delay);
 
diff --git a/libbb/getopt32.c b/libbb/getopt32.c
index d0e83d8..15b6efc 100644
--- a/libbb/getopt32.c
+++ b/libbb/getopt32.c
@@ -17,23 +17,20 @@
 uint32_t
 getopt32(char **argv, const char *applet_opts, ...)
 
-        The command line options must be declared in const char
-        *applet_opts as a string of chars, for example:
-
-        flags = getopt32(argv, "rnug");
+        The command line options are passed as the applet_opts string.
 
         If one of the given options is found, a flag value is added to
-        the return value (an unsigned long).
+        the return value.
 
         The flag value is determined by the position of the char in
-        applet_opts string.  For example, in the above case:
+        applet_opts string.  For example:
 
         flags = getopt32(argv, "rnug");
 
-        "r" will add 1    (bit 0)
-        "n" will add 2    (bit 1)
-        "u" will add 4    (bit 2)
-        "g" will add 8    (bit 3)
+        "r" will set 1    (bit 0)
+        "n" will set 2    (bit 1)
+        "u" will set 4    (bit 2)
+        "g" will set 8    (bit 3)
 
         and so on.  You can also look at the return value as a bit
         field and each option sets one bit.
@@ -45,7 +42,7 @@
         (options and their parameters will be moved into argv[]
         positions prior to argv[optind]).
 
- ":"    If one of the options requires an argument, then add a ":"
+ "o:"   If one of the options requires an argument, then add a ":"
         after the char in applet_opts and provide a pointer to store
         the argument.  For example:
 
@@ -58,15 +55,39 @@
                         &pointer_to_arg_for_a, &pointer_to_arg_for_b,
                         &pointer_to_arg_for_c, &pointer_to_arg_for_d);
 
-        The type of the pointer (char* or llist_t*) may be controlled
-        by the "::" special separator that is set in the external string
-        opt_complementary (see below for more info).
+        The type of the pointer may be controlled by "o::" or "o+" in
+        the external string opt_complementary (see below for more info).
 
- "::"   If option can have an *optional* argument, then add a "::"
+ "o::"  If option can have an *optional* argument, then add a "::"
         after its char in applet_opts and provide a pointer to store
         the argument.  Note that optional arguments _must_
         immediately follow the option: -oparam, not -o param.
 
+ "o:+"  This means that the parameter for this option is a nonnegative integer.
+        It will be processed with xatoi_positive() - allowed range
+        is 0..INT_MAX.
+
+        int param;  // "unsigned param;" will also work
+        getopt32(argv, "p:+", &param);
+
+ "o:*"  This means that the option can occur multiple times. Each occurrence
+        will be saved as a llist_t element instead of char*.
+
+        For example:
+        The grep applet can have one or more "-e pattern" arguments.
+        In this case you should use getopt32() as follows:
+
+        llist_t *patterns = NULL;
+
+        (this pointer must be initializated to NULL if the list is empty
+        as required by llist_add_to_end(llist_t **old_head, char *new_item).)
+
+        getopt32(argv, "e:*", &patterns);
+
+        $ grep -e user -e root /etc/passwd
+        root:x:0:0:root:/root:/bin/bash
+        user:x:500:500::/home/user:/bin/bash
+
  "+"    If the first character in the applet_opts string is a plus,
         then option processing will stop as soon as a non-option is
         encountered in the argv array.  Useful for applets like env
@@ -82,7 +103,7 @@
         This struct allows you to define long options:
 
         static const char applet_longopts[] ALIGN1 =
-                //"name\0" has_arg val
+                //"name\0"  has_arg     val
                 "verbose\0" No_argument "v"
                 ;
         applet_long_options = applet_longopts;
@@ -90,7 +111,7 @@
         The last member of struct option (val) typically is set to
         matching short option from applet_opts. If there is no matching
         char in applet_opts, then:
-        - return bit have next position after short options
+        - return bit has next position after short options
         - if has_arg is not "No_argument", use ptr for arg also
         - opt_complementary affects it too
 
@@ -139,8 +160,8 @@
 
         llist_t *my_b = NULL;
         int verbose_level = 0;
-        opt_complementary = "vv:b::b-c:c-b";
-        f = getopt32(argv, "vb:c", &my_b, &verbose_level);
+        opt_complementary = "vv:b-c:c-b";
+        f = getopt32(argv, "vb:*c", &my_b, &verbose_level);
         if (f & 2)       // -c after -b unsets -b flag
                 while (my_b) dosomething_with(llist_pop(&my_b));
         if (my_b)        // but llist is stored if -b is specified
@@ -233,7 +254,7 @@
  "x--x" Variation of the above, it means that -x option should occur
         at most once.
 
- "a+"   A plus after a char in opt_complementary means that the parameter
+ "o+"   A plus after a char in opt_complementary means that the parameter
         for this option is a nonnegative integer. It will be processed
         with xatoi_positive() - allowed range is 0..INT_MAX.
 
@@ -241,7 +262,7 @@
         opt_complementary = "p+";
         getopt32(argv, "p:", &param);
 
- "a::"  A double colon after a char in opt_complementary means that the
+ "o::"  A double colon after a char in opt_complementary means that the
         option can occur multiple times. Each occurrence will be saved as
         a llist_t element instead of char*.
 
@@ -255,12 +276,17 @@
         as required by llist_add_to_end(llist_t **old_head, char *new_item).)
 
         opt_complementary = "e::";
-
         getopt32(argv, "e:", &patterns);
+
         $ grep -e user -e root /etc/passwd
         root:x:0:0:root:/root:/bin/bash
         user:x:500:500::/home/user:/bin/bash
 
+        "o+" and "o::" can be handled by "o:+" and "o:*" specifiers
+        in option string (and it is preferred), but this does not work
+        for "long options only" cases, such as tar --exclude=PATTERN,
+        wget --header=HDR cases.
+
  "a?b"  A "?" between an option and a group of options means that
         at least one of them is required to occur if the first option
         occurs in preceding command line arguments.
@@ -359,10 +385,11 @@
 
 	va_start(p, applet_opts);
 
-	c = 0;
 	on_off = complementary;
 	memset(on_off, 0, sizeof(complementary));
 
+	applet_opts = strcpy(alloca(strlen(applet_opts) + 1), applet_opts);
+
 	/* skip bbox extension */
 	first_char = applet_opts[0];
 	if (first_char == '!')
@@ -372,6 +399,7 @@
 	s = (const unsigned char *)applet_opts;
 	if (*s == '+' || *s == '-')
 		s++;
+	c = 0;
 	while (*s) {
 		if (c >= 32)
 			break;
@@ -379,6 +407,13 @@
 		on_off->switch_on = (1 << c);
 		if (*++s == ':') {
 			on_off->optarg = va_arg(p, void **);
+			if (s[1] == '+' || s[1] == '*') {
+				/* 'o:+' or 'o:*' */
+				on_off->param_type = (s[1] == '+') ?
+					PARAM_INT : PARAM_LIST;
+				overlapping_strcpy((char*)s + 1, (char*)s + 2);
+			}
+			/* skip possible 'o::' (or 'o:+:' !) */
 			while (*++s == ':')
 				continue;
 		}
@@ -431,6 +466,7 @@
 		applet_long_options = NULL;
 	}
 #endif /* ENABLE_LONG_OPTS || ENABLE_FEATURE_GETOPT_LONG */
+
 	for (s = (const unsigned char *)opt_complementary; s && *s; s++) {
 		t_complementary *pair;
 		unsigned *pair_switch;
diff --git a/libbb/parse_config.c b/libbb/parse_config.c
index 1590d9a..4084397 100644
--- a/libbb/parse_config.c
+++ b/libbb/parse_config.c
@@ -42,8 +42,8 @@
 	int mintokens = 0, ntokens = 128;
 	unsigned noout;
 
-	opt_complementary = "-1:n+:m+:f+";
-	noout = 1 & getopt32(argv, "xn:m:d:f:", &ntokens, &mintokens, &delims, &flags);
+	opt_complementary = "-1";
+	noout = 1 & getopt32(argv, "xn:+m:+d:f:+", &ntokens, &mintokens, &delims, &flags);
 	//argc -= optind;
 	argv += optind;
 
diff --git a/loginutils/cryptpw.c b/loginutils/cryptpw.c
index 23a1884..9f5f406 100644
--- a/loginutils/cryptpw.c
+++ b/loginutils/cryptpw.c
@@ -111,8 +111,8 @@
 	opt_m = CONFIG_FEATURE_DEFAULT_PASSWD_ALGO;
 	opt_S = NULL;
 	/* at most two non-option arguments; -P NUM */
-	opt_complementary = "?2:P+";
-	getopt32(argv, "sP:S:m:a:", &fd, &opt_S, &opt_m, &opt_m);
+	opt_complementary = "?2";
+	getopt32(argv, "sP:+S:m:a:", &fd, &opt_S, &opt_m, &opt_m);
 	argv += optind;
 
 	/* have no idea how to handle -s... */
diff --git a/loginutils/getty.c b/loginutils/getty.c
index b10bdbd..162c169 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -131,7 +131,7 @@
 //usage:     "\n"
 //usage:     "\nBAUD_RATE of 0 leaves it unchanged"
 
-static const char opt_string[] ALIGN1 = "I:LH:f:hil:mt:wn";
+static const char opt_string[] ALIGN1 = "I:LH:f:hil:mt:+wn";
 #define F_INITSTRING    (1 << 0)   /* -I */
 #define F_LOCAL         (1 << 1)   /* -L */
 #define F_FAKEHOST      (1 << 2)   /* -H */
@@ -179,7 +179,7 @@
 	char *ts;
 	int flags;
 
-	opt_complementary = "-2:t+"; /* at least 2 args; -t N */
+	opt_complementary = "-2"; /* at least 2 args; -t N */
 	flags = getopt32(argv, opt_string,
 		&G.initstring, &G.fakehost, &G.issue,
 		&G.login, &G.timeout
diff --git a/loginutils/sulogin.c b/loginutils/sulogin.c
index f324695..6befea9 100644
--- a/loginutils/sulogin.c
+++ b/loginutils/sulogin.c
@@ -43,8 +43,7 @@
 	logmode = LOGMODE_BOTH;
 	openlog(applet_name, 0, LOG_AUTH);
 
-	opt_complementary = "t+"; /* -t N */
-	getopt32(argv, "t:", &timeout);
+	getopt32(argv, "t:+", &timeout);
 	argv += optind;
 
 	if (argv[0]) {
diff --git a/mailutils/makemime.c b/mailutils/makemime.c
index 1dadd71..8e1bc66 100644
--- a/mailutils/makemime.c
+++ b/mailutils/makemime.c
@@ -184,9 +184,8 @@
 	INIT_G();
 
 	// parse options
-	opt_complementary = "a::";
 	opts = getopt32(argv,
-		"c:e:o:C:N:a:", // "m:j:",
+		"c:e:o:C:N:a:*", // "m:j:",
 		&content_type, NULL, &opt_output, &G.opt_charset, NULL, &opt_headers //, NULL, NULL
 	);
 	//argc -= optind;
diff --git a/mailutils/popmaildir.c b/mailutils/popmaildir.c
index 6203033..69eca61 100644
--- a/mailutils/popmaildir.c
+++ b/mailutils/popmaildir.c
@@ -107,9 +107,9 @@
 	INIT_G();
 
 	// parse options
-	opt_complementary = "-1:dd:t+:R+:L+:H+";
+	opt_complementary = "-1:dd";
 	opts = getopt32(argv,
-		"bdmVcasTkt:" "R:Z:L:H:" IF_FEATURE_POPMAILDIR_DELIVERY("M:F:"),
+		"bdmVcasTkt:+" "R:+Z:L:+H:+" IF_FEATURE_POPMAILDIR_DELIVERY("M:F:"),
 		&timeout, NULL, NULL, NULL, &opt_nlines
 		IF_FEATURE_POPMAILDIR_DELIVERY(, &delivery, &delivery) // we treat -M and -F the same
 	);
diff --git a/mailutils/reformime.c b/mailutils/reformime.c
index 86b2cfe..b967dfb 100644
--- a/mailutils/reformime.c
+++ b/mailutils/reformime.c
@@ -265,9 +265,9 @@
 
 	// parse options
 	// N.B. only -x and -X are supported so far
-	opt_complementary = "x--X:X--x" IF_FEATURE_REFORMIME_COMPAT(":m::");
+	opt_complementary = "x--X:X--x";
 	opts = getopt32(argv,
-		"x:X" IF_FEATURE_REFORMIME_COMPAT("deis:r:c:m:h:o:O:"),
+		"x:X" IF_FEATURE_REFORMIME_COMPAT("deis:r:c:m:*h:o:O:"),
 		&opt_prefix
 		IF_FEATURE_REFORMIME_COMPAT(, NULL, NULL, &G.opt_charset, NULL, NULL, NULL, NULL)
 	);
diff --git a/mailutils/sendmail.c b/mailutils/sendmail.c
index 5143fac..fb4dbb3 100644
--- a/mailutils/sendmail.c
+++ b/mailutils/sendmail.c
@@ -247,11 +247,11 @@
 
 	// parse options
 	// -v is a counter, -H and -S are mutually exclusive, -a is a list
-	opt_complementary = "vv:w+:H--S:S--H:a::";
+	opt_complementary = "vv:H--S:S--H";
 	// N.B. since -H and -S are mutually exclusive they do not interfere in opt_connect
 	// -a is for ssmtp (http://downloads.openwrt.org/people/nico/man/man8/ssmtp.8.html) compatibility,
 	// it is still under development.
-	opts = getopt32(argv, "tf:o:iw:H:S:a::v", &opt_from, NULL,
+	opts = getopt32(argv, "tf:o:iw:+H:S:a:*:v", &opt_from, NULL,
 			&timeout, &opt_connect, &opt_connect, &list, &verbose);
 	//argc -= optind;
 	argv += optind;
diff --git a/miscutils/conspy.c b/miscutils/conspy.c
index f6468c1..e80158e 100644
--- a/miscutils/conspy.c
+++ b/miscutils/conspy.c
@@ -388,8 +388,8 @@
 	INIT_G();
 	strcpy(G.vcsa_name, DEV_VCSA);
 
-	opt_complementary = "x+:y+"; // numeric params
-	opts = getopt32(argv, "vcQsndfFx:y:", &G.x, &G.y);
+	// numeric params
+	opts = getopt32(argv, "vcQsndfFx:+y:+", &G.x, &G.y);
 	argv += optind;
 	ttynum = 0;
 	if (argv[0]) {
diff --git a/miscutils/ionice.c b/miscutils/ionice.c
index 0c14256..5fcb653 100644
--- a/miscutils/ionice.c
+++ b/miscutils/ionice.c
@@ -60,9 +60,8 @@
 	};
 
 	/* Numeric params */
-	opt_complementary = "n+:c+:p+";
 	/* '+': stop at first non-option */
-	opt = getopt32(argv, "+n:c:p:", &pri, &ioclass, &pid);
+	opt = getopt32(argv, "+n:+c:+p:+", &pri, &ioclass, &pid);
 	argv += optind;
 
 	if (opt & OPT_c) {
diff --git a/miscutils/microcom.c b/miscutils/microcom.c
index d9e8f91..dfc9771 100644
--- a/miscutils/microcom.c
+++ b/miscutils/microcom.c
@@ -64,8 +64,7 @@
 	unsigned opts;
 
 	// fetch options
-	opt_complementary = "=1:s+:d+:t+"; // exactly one arg, numeric options
-	opts = getopt32(argv, "Xs:d:t:", &speed, &delay, &timeout);
+	opts = getopt32(argv, "Xs:+d:+t:+", &speed, &delay, &timeout);
 //	argc -= optind;
 	argv += optind;
 
diff --git a/miscutils/timeout.c b/miscutils/timeout.c
index 9d56593..8df9ff0 100644
--- a/miscutils/timeout.c
+++ b/miscutils/timeout.c
@@ -52,9 +52,8 @@
 	/* -p option is not documented, it is needed to support NOMMU. */
 
 	/* -t SECONDS; -p PARENT_PID */
-	opt_complementary = "t+" USE_FOR_NOMMU(":p+");
 	/* '+': stop at first non-option */
-	getopt32(argv, "+s:t:" USE_FOR_NOMMU("p:"), &opt_s, &timeout, &parent);
+	getopt32(argv, "+s:t:+" USE_FOR_NOMMU("p:+"), &opt_s, &timeout, &parent);
 	/*argv += optind; - no, wait for bb_daemonize_or_rexec! */
 	signo = get_signum(opt_s);
 	if (signo < 0)
diff --git a/miscutils/ubi_tools.c b/miscutils/ubi_tools.c
index 4364bc8..8e55e95 100644
--- a/miscutils/ubi_tools.c
+++ b/miscutils/ubi_tools.c
@@ -134,8 +134,8 @@
 #define OPTION_a  (1 << 5)
 #define OPTION_t  (1 << 6)
 	if (do_mkvol) {
-		opt_complementary = "-1:d+:n+:a+:O+";
-		opts = getopt32(argv, "md:n:N:s:a:t:O:",
+		opt_complementary = "-1";
+		opts = getopt32(argv, "md:+n:+N:s:a:+t:O:+",
 				&dev_num, &vol_id,
 				&vol_name, &size_bytes_str, &alignment, &type,
 				&vid_hdr_offset
@@ -146,8 +146,8 @@
 		opts = getopt32(argv, "s:at", &size_bytes_str);
 		opts *= OPTION_s;
 	} else {
-		opt_complementary = "-1:m+:d+:n+:a+";
-		opts = getopt32(argv, "m:d:n:N:s:a:t:",
+		opt_complementary = "-1";
+		opts = getopt32(argv, "m:+d:+n:+N:s:a:+t:",
 				&mtd_num, &dev_num, &vol_id,
 				&vol_name, &size_bytes_str, &alignment, &type
 		);
diff --git a/networking/arping.c b/networking/arping.c
index 4f207ea..46bd65e 100644
--- a/networking/arping.c
+++ b/networking/arping.c
@@ -295,8 +295,8 @@
 		/* Dad also sets quit_on_reply.
 		 * Advert also sets unsolicited.
 		 */
-		opt_complementary = "=1:Df:AU:c+";
-		opt = getopt32(argv, "DUAqfbc:w:I:s:",
+		opt_complementary = "=1:Df:AU";
+		opt = getopt32(argv, "DUAqfbc:+w:I:s:",
 				&count, &str_timeout, &device, &source);
 		if (opt & 0x80) /* -w: timeout */
 			timeout_us = xatou_range(str_timeout, 0, INT_MAX/2000000) * 1000000 + 500000;
diff --git a/networking/ftpd.c b/networking/ftpd.c
index 360d1e6..4cbb9b6 100644
--- a/networking/ftpd.c
+++ b/networking/ftpd.c
@@ -1130,11 +1130,11 @@
 	abs_timeout = 1 * 60 * 60;
 	verbose_S = 0;
 	G.timeout = 2 * 60;
-	opt_complementary = "t+:T+:vv:SS";
+	opt_complementary = "vv:SS";
 #if BB_MMU
-	opts = getopt32(argv,    "vS" IF_FEATURE_FTP_WRITE("w") "t:T:", &G.timeout, &abs_timeout, &G.verbose, &verbose_S);
+	opts = getopt32(argv,    "vS" IF_FEATURE_FTP_WRITE("w") "t:+T:+", &G.timeout, &abs_timeout, &G.verbose, &verbose_S);
 #else
-	opts = getopt32(argv, "l1AvS" IF_FEATURE_FTP_WRITE("w") "t:T:", &G.timeout, &abs_timeout, &G.verbose, &verbose_S);
+	opts = getopt32(argv, "l1AvS" IF_FEATURE_FTP_WRITE("w") "t:+T:+", &G.timeout, &abs_timeout, &G.verbose, &verbose_S);
 	if (opts & (OPT_l|OPT_1)) {
 		/* Our secret backdoor to ls */
 /* TODO: pass --group-directories-first? would be nice, but ls doesn't do that yet */
diff --git a/networking/ifplugd.c b/networking/ifplugd.c
index f0defb5..28c49e2 100644
--- a/networking/ifplugd.c
+++ b/networking/ifplugd.c
@@ -107,9 +107,9 @@
 #endif
 };
 #if ENABLE_FEATURE_PIDFILE
-# define OPTION_STR "+ansfFi:r:It:u:d:m:pqlx:Mk"
+# define OPTION_STR "+ansfFi:r:It:+u:+d:+m:pqlx:Mk"
 #else
-# define OPTION_STR "+ansfFi:r:It:u:d:m:pqlx:M"
+# define OPTION_STR "+ansfFi:r:It:+u:+d:+m:pqlx:M"
 #endif
 
 enum { // interface status
@@ -560,7 +560,6 @@
 
 	INIT_G();
 
-	opt_complementary = "t+:u+:d+";
 	opts = getopt32(argv, OPTION_STR,
 		&G.iface, &G.script_name, &G.poll_time, &G.delay_up,
 		&G.delay_down, &G.api_mode, &G.extra_arg);
diff --git a/networking/inetd.c b/networking/inetd.c
index 8d44b51..f9295e3 100644
--- a/networking/inetd.c
+++ b/networking/inetd.c
@@ -1153,8 +1153,8 @@
 	if (real_uid != 0) /* run by non-root user */
 		config_filename = NULL;
 
-	opt_complementary = "R+:q+"; /* -q N, -R N */
-	opt = getopt32(argv, "R:feq:", &max_concurrency, &global_queuelen);
+	/* -q N, -R N */
+	opt = getopt32(argv, "R:+feq:+", &max_concurrency, &global_queuelen);
 	argv += optind;
 	//argc -= optind;
 	if (argv[0])
diff --git a/networking/nc_bloaty.c b/networking/nc_bloaty.c
index 471ae1a..192e42f 100644
--- a/networking/nc_bloaty.c
+++ b/networking/nc_bloaty.c
@@ -794,8 +794,8 @@
  e_found:
 
 	// -g -G -t -r deleted, unimplemented -a deleted too
-	opt_complementary = "?2:vv:ll:w+"; /* max 2 params; -v and -l are counters; -w N */
-	getopt32(argv, "np:s:uvw:" IF_NC_SERVER("lk")
+	opt_complementary = "?2:vv:ll"; /* max 2 params; -v and -l are counters; -w N */
+	getopt32(argv, "np:s:uvw:+" IF_NC_SERVER("lk")
 			IF_NC_EXTRA("i:o:z"),
 			&str_p, &str_s, &o_wait
 			IF_NC_EXTRA(, &str_i, &str_o), &o_verbose IF_NC_SERVER(, &cnt_l));
diff --git a/networking/ntpd.c b/networking/ntpd.c
index 8e71750..130cef0 100644
--- a/networking/ntpd.c
+++ b/networking/ntpd.c
@@ -2197,11 +2197,11 @@
 
 	/* Parse options */
 	peers = NULL;
-	opt_complementary = "dd:p::wn"         /* -d: counter; -p: list; -w implies -n */
+	opt_complementary = "dd:wn"  /* -d: counter; -p: list; -w implies -n */
 		IF_FEATURE_NTPD_SERVER(":Il"); /* -I implies -l */
 	opts = getopt32(argv,
 			"nqNx" /* compat */
-			"wp:S:"IF_FEATURE_NTPD_SERVER("l") /* NOT compat */
+			"wp:*S:"IF_FEATURE_NTPD_SERVER("l") /* NOT compat */
 			IF_FEATURE_NTPD_SERVER("I:") /* compat */
 			"d" /* compat */
 			"46aAbgL", /* compat, ignored */
diff --git a/networking/ping.c b/networking/ping.c
index d8767a3..82d5b7a 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -341,7 +341,7 @@
 
 /* Full(er) version */
 
-#define OPT_STRING ("qvc:s:t:w:W:I:np:4" IF_PING6("6"))
+#define OPT_STRING ("qvc:+s:t:+w:+W:+I:np:4" IF_PING6("6"))
 enum {
 	OPT_QUIET = 1 << 0,
 	OPT_VERBOSE = 1 << 1,
@@ -865,7 +865,7 @@
 	INIT_G();
 
 	/* exactly one argument needed; -v and -q don't mix; -c NUM, -t NUM, -w NUM, -W NUM */
-	opt_complementary = "=1:q--v:v--q:c+:t+:w+:W+";
+	opt_complementary = "=1:q--v:v--q";
 	opt |= getopt32(argv, OPT_STRING, &pingcount, &str_s, &opt_ttl, &deadline, &timeout, &str_I, &str_p);
 	if (opt & OPT_s)
 		datalen = xatou16(str_s); // -s
diff --git a/networking/tcpudp.c b/networking/tcpudp.c
index 31bc704..fbd1f1c 100644
--- a/networking/tcpudp.c
+++ b/networking/tcpudp.c
@@ -232,9 +232,9 @@
 	tcp = (applet_name[0] == 't');
 
 	/* 3+ args, -i at most once, -p implies -h, -v is counter, -b N, -c N */
-	opt_complementary = "-3:i--i:ph:vv:b+:c+";
+	opt_complementary = "-3:i--i:ph:vv";
 #ifdef SSLSVD
-	opts = getopt32(argv, "+c:C:i:x:u:l:Eb:hpt:vU:/:Z:K:",
+	opts = getopt32(argv, "+c:+C:i:x:u:l:Eb:+hpt:vU:/:Z:K:",
 		&cmax, &str_C, &instructs, &instructs, &user, &preset_local_hostname,
 		&backlog, &str_t, &ssluser, &root, &cert, &key, &verbose
 	);
diff --git a/networking/telnetd.c b/networking/telnetd.c
index 13c36aa..2fbdc3b 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -496,12 +496,12 @@
 	INIT_G();
 
 	/* -w NUM, and implies -F. -w and -i don't mix */
-	IF_FEATURE_TELNETD_INETD_WAIT(opt_complementary = "wF:w+:i--w:w--i";)
+	IF_FEATURE_TELNETD_INETD_WAIT(opt_complementary = "wF:i--w:w--i";)
 	/* Even if !STANDALONE, we accept (and ignore) -i, thus people
 	 * don't need to guess whether it's ok to pass -i to us */
 	opt = getopt32(argv, "f:l:Ki"
 			IF_FEATURE_TELNETD_STANDALONE("p:b:F")
-			IF_FEATURE_TELNETD_INETD_WAIT("Sw:"),
+			IF_FEATURE_TELNETD_INETD_WAIT("Sw:+"),
 			&G.issuefile, &G.loginpath
 			IF_FEATURE_TELNETD_STANDALONE(, &opt_portnbr, &opt_bindaddr)
 			IF_FEATURE_TELNETD_INETD_WAIT(, &sec_linger)
diff --git a/networking/traceroute.c b/networking/traceroute.c
index eee4f88..e43a36d 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -294,7 +294,7 @@
 
 #define OPT_STRING \
 	"FIlnrdvxt:i:m:p:q:s:w:z:f:" \
-	IF_FEATURE_TRACEROUTE_SOURCE_ROUTE("g:") \
+	IF_FEATURE_TRACEROUTE_SOURCE_ROUTE("g:*") \
 	"4" IF_TRACEROUTE6("6")
 enum {
 	OPT_DONT_FRAGMNT = (1 << 0),    /* F */
@@ -819,7 +819,7 @@
 	INIT_G();
 
 	/* minimum 1 arg */
-	opt_complementary = "-1:x-x" IF_FEATURE_TRACEROUTE_SOURCE_ROUTE(":g::");
+	opt_complementary = "-1:x-x";
 	op |= getopt32(argv, OPT_STRING
 		, &tos_str, &device, &max_ttl_str, &port_str, &nprobes_str
 		, &source, &waittime_str, &pausemsecs_str, &first_ttl_str
diff --git a/networking/udhcp/d6_dhcpc.c b/networking/udhcp/d6_dhcpc.c
index 12f8f11..6ff040d 100644
--- a/networking/udhcp/d6_dhcpc.c
+++ b/networking/udhcp/d6_dhcpc.c
@@ -944,9 +944,9 @@
 
 	/* Parse command line */
 	/* O,x: list; -T,-t,-A take numeric param */
-	opt_complementary = "O::x::T+:t+:A+" IF_UDHCP_VERBOSE(":vv") ;
+	IF_UDHCP_VERBOSE(opt_complementary = "vv";)
 	IF_LONG_OPTS(applet_long_options = udhcpc6_longopts;)
-	opt = getopt32(argv, "i:np:qRr:s:T:t:SA:O:ox:f"
+	opt = getopt32(argv, "i:np:qRr:s:T:+t:+SA:+O:*ox:*f"
 		USE_FOR_MMU("b")
 		///IF_FEATURE_UDHCPC_ARPING("a")
 		IF_FEATURE_UDHCP_PORT("P:")
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index e58acba..8a16e98 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -1283,9 +1283,9 @@
 
 	/* Parse command line */
 	/* O,x: list; -T,-t,-A take numeric param */
-	opt_complementary = "O::x::T+:t+:A+" IF_UDHCP_VERBOSE(":vv") ;
+	IF_UDHCP_VERBOSE(opt_complementary = "vv";)
 	IF_LONG_OPTS(applet_long_options = udhcpc_longopts;)
-	opt = getopt32(argv, "CV:H:h:F:i:np:qRr:s:T:t:SA:O:ox:fB"
+	opt = getopt32(argv, "CV:H:h:F:i:np:qRr:s:T:+t:+SA:+O:*ox:*fB"
 		USE_FOR_MMU("b")
 		IF_FEATURE_UDHCPC_ARPING("a::")
 		IF_FEATURE_UDHCP_PORT("P:")
diff --git a/networking/wget.c b/networking/wget.c
index 28c1254..37950ed 100644
--- a/networking/wget.c
+++ b/networking/wget.c
@@ -1268,9 +1268,8 @@
 	applet_long_options = wget_longopts;
 #endif
 	opt_complementary = "-1" /* at least one URL */
-		IF_FEATURE_WGET_TIMEOUT(":T+") /* -T NUM */
 		IF_FEATURE_WGET_LONG_OPTIONS(":\xff::"); /* --header is a list */
-	getopt32(argv, "csqO:P:Y:U:T:"
+	getopt32(argv, "csqO:P:Y:U:T:+"
 		/*ignored:*/ "t:"
 		/*ignored:*/ "n::"
 		/* wget has exactly four -n<letter> opts, all of which we can ignore:
diff --git a/networking/whois.c b/networking/whois.c
index 6ba8dfd..c9dfcf5 100644
--- a/networking/whois.c
+++ b/networking/whois.c
@@ -167,8 +167,8 @@
 	int port = 43;
 	const char *host = "whois.iana.org";
 
-	opt_complementary = "-1:p+";
-	getopt32(argv, "ih:p:", &host, &port);
+	opt_complementary = "-1";
+	getopt32(argv, "ih:p:+", &host, &port);
 	argv += optind;
 
 	do {
diff --git a/procps/pgrep.c b/procps/pgrep.c
index 1c7c7c4..1c594cf 100644
--- a/procps/pgrep.c
+++ b/procps/pgrep.c
@@ -106,8 +106,7 @@
 	/* Parse remaining options */
 	ppid2match = -1;
 	sid2match = -1;
-	opt_complementary = "s+:P+"; /* numeric opts */
-	opt = getopt32(argv, "vlfxons:P:", &sid2match, &ppid2match);
+	opt = getopt32(argv, "vlfxons:+P:+", &sid2match, &ppid2match);
 	argv += optind;
 
 	if (pkill && OPT_LIST) { /* -l: print the whole signal list */
diff --git a/procps/pidof.c b/procps/pidof.c
index 6d7b591..6d26566 100644
--- a/procps/pidof.c
+++ b/procps/pidof.c
@@ -51,13 +51,12 @@
 	unsigned opt;
 #if ENABLE_FEATURE_PIDOF_OMIT
 	llist_t *omits = NULL; /* list of pids to omit */
-	opt_complementary = "o::";
 #endif
 
 	/* do unconditional option parsing */
 	opt = getopt32(argv, ""
 			IF_FEATURE_PIDOF_SINGLE ("s")
-			IF_FEATURE_PIDOF_OMIT("o:", &omits));
+			IF_FEATURE_PIDOF_OMIT("o:*", &omits));
 
 #if ENABLE_FEATURE_PIDOF_OMIT
 	/* fill omit list.  */
diff --git a/procps/ps.c b/procps/ps.c
index 08dfce1..ce63826 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -593,8 +593,7 @@
 	 * procps v3.2.7 supports -T and shows tids as SPID column,
 	 * it also supports -L where it shows tids as LWP column.
 	 */
-	opt_complementary = "o::";
-	opt = getopt32(argv, "Zo:aAdefl"IF_FEATURE_SHOW_THREADS("T"), &opt_o);
+	opt = getopt32(argv, "Zo:*aAdefl"IF_FEATURE_SHOW_THREADS("T"), &opt_o);
 	if (opt_o) {
 		do {
 			parse_o(llist_pop(&opt_o));
diff --git a/procps/watch.c b/procps/watch.c
index 97aa047..20859c3 100644
--- a/procps/watch.c
+++ b/procps/watch.c
@@ -51,9 +51,9 @@
 	xopen("/dev/null", O_RDONLY);
 #endif
 
-	opt_complementary = "-1:n+"; // at least one param; -n NUM
+	opt_complementary = "-1"; // at least one param; -n NUM
 	// "+": stop at first non-option (procps 3.x only)
-	opt = getopt32(argv, "+dtn:", &period);
+	opt = getopt32(argv, "+dtn:+", &period);
 	argv += optind;
 
 	// watch from both procps 2.x and 3.x does concatenation. Example:
diff --git a/runit/chpst.c b/runit/chpst.c
index 7fe5151..3769af2 100644
--- a/runit/chpst.c
+++ b/runit/chpst.c
@@ -300,8 +300,8 @@
 		// FIXME: can we live with int-sized limits?
 		// can we live with 40000 days?
 		// if yes -> getopt converts strings to numbers for us
-		opt_complementary = "-1:a+:c+:d+:f+:l+:m+:o+:p+:r+:s+:t+";
-		opt = getopt32(argv, "+a:c:d:f:l:m:o:p:r:s:t:u:U:e:"
+		opt_complementary = "-1";
+		opt = getopt32(argv, "+a:+c:+d:+f:+l:+m:+o:+p:+r:+s:+t:+u:U:e:"
 			IF_CHPST("/:n:vP012"),
 			&limita, &limitc, &limitd, &limitf, &limitl,
 			&limitm, &limito, &limitp, &limitr, &limits, &limitt,
diff --git a/runit/sv.c b/runit/sv.c
index 2a256a6..37df9a9 100644
--- a/runit/sv.c
+++ b/runit/sv.c
@@ -474,8 +474,8 @@
 	x = getenv("SVWAIT");
 	if (x) waitsec = xatou(x);
 
-	opt_complementary = "w+:vv"; /* -w N, -v is a counter */
-	getopt32(argv, "w:v", &waitsec, &verbose);
+	opt_complementary = "vv"; /* -w N, -v is a counter */
+	getopt32(argv, "w:+v", &waitsec, &verbose);
 	argv += optind;
 	action = *argv++;
 	if (!action || !*argv) bb_show_usage();
diff --git a/selinux/setfiles.c b/selinux/setfiles.c
index 51a7e63..c9597d5 100644
--- a/selinux/setfiles.c
+++ b/selinux/setfiles.c
@@ -577,13 +577,13 @@
 
 	set_matchpathcon_flags(matchpathcon_flags);
 
-	opt_complementary = "e::vv:v--p:p--v:v--q:q--v";
+	opt_complementary = "vv:v--p:p--v:v--q:q--v";
 	/* Option order must match OPT_x definitions! */
 	if (applet_name[0] == 'r') { /* restorecon */
-		flags = getopt32(argv, "de:f:ilnpqrsvo:FWR",
+		flags = getopt32(argv, "de:*f:ilnpqrsvo:FWR",
 			&exclude_dir, &input_filename, &out_filename, &verbose);
 	} else { /* setfiles */
-		flags = getopt32(argv, "de:f:ilnpqr:svo:FW"
+		flags = getopt32(argv, "de:*f:ilnpqr:svo:FW"
 				IF_FEATURE_SETFILES_CHECK_OPTION("c:"),
 			&exclude_dir, &input_filename, &rootpath, &out_filename,
 				IF_FEATURE_SETFILES_CHECK_OPTION(&policyfile,)
diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c
index a119bde..ae0840b 100644
--- a/sysklogd/syslogd.c
+++ b/sysklogd/syslogd.c
@@ -342,7 +342,7 @@
 #define OPTION_STR "m:nO:l:S" \
 	IF_FEATURE_ROTATE_LOGFILE("s:" ) \
 	IF_FEATURE_ROTATE_LOGFILE("b:" ) \
-	IF_FEATURE_REMOTE_LOG(    "R:" ) \
+	IF_FEATURE_REMOTE_LOG(    "R:*") \
 	IF_FEATURE_REMOTE_LOG(    "L"  ) \
 	IF_FEATURE_IPC_SYSLOG(    "C::") \
 	IF_FEATURE_SYSLOGD_DUP(   "D"  ) \
@@ -1108,8 +1108,8 @@
 
 	INIT_G();
 
-	/* No non-option params, -R can occur multiple times */
-	opt_complementary = "=0" IF_FEATURE_REMOTE_LOG(":R::");
+	/* No non-option params */
+	opt_complementary = "=0";
 	opts = getopt32(argv, OPTION_STR, OPTION_PARAM);
 #if ENABLE_FEATURE_REMOTE_LOG
 	while (remoteAddrList) {
diff --git a/util-linux/dmesg.c b/util-linux/dmesg.c
index e543446..50e8a0f 100644
--- a/util-linux/dmesg.c
+++ b/util-linux/dmesg.c
@@ -34,8 +34,7 @@
 		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");
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c
index f49ce95..6391f9b 100644
--- a/util-linux/fdisk.c
+++ b/util-linux/fdisk.c
@@ -2919,8 +2919,7 @@
 
 	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) {
diff --git a/util-linux/getopt.c b/util-linux/getopt.c
index b9dadf1..18d4909 100644
--- a/util-linux/getopt.c
+++ b/util-linux/getopt.c
@@ -397,8 +397,7 @@
 	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) {
diff --git a/util-linux/mkfs_ext2.c b/util-linux/mkfs_ext2.c
index f91a0b4..413e7aa 100644
--- a/util-linux/mkfs_ext2.c
+++ b/util-linux/mkfs_ext2.c
@@ -244,8 +244,7 @@
 
 	// 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,
diff --git a/util-linux/mkfs_minix.c b/util-linux/mkfs_minix.c
index 88d7975..aaabf84 100644
--- a/util-linux/mkfs_minix.c
+++ b/util-linux/mkfs_minix.c
@@ -604,8 +604,7 @@
 		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
diff --git a/util-linux/mkfs_reiser.c b/util-linux/mkfs_reiser.c
index 56c8f0a..0a31ee4 100644
--- a/util-linux/mkfs_reiser.c
+++ b/util-linux/mkfs_reiser.c
@@ -169,8 +169,8 @@
 
 	// 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
 
diff --git a/util-linux/mount.c b/util-linux/mount.c
index cef4f74..13590ce 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -268,7 +268,7 @@
 };
 
 
-#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 @@
 
 	// 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));
diff --git a/util-linux/readprofile.c b/util-linux/readprofile.c
index a645404..345b676 100644
--- a/util-linux/readprofile.c
+++ b/util-linux/readprofile.c
@@ -99,8 +99,7 @@
 	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;