getopt32: remove opt_complementary

function old new delta vgetopt32 1318 1392 +74 runsvdir_main 703 713 +10 bb_make_directory 423 425 +2 collect_cpu 546 545 -1 opt_chars 3 - -3 opt_complementary 4 - -4 tftpd_main 567 562 -5 ntp_init 476 471 -5 zcip_main 1266 1256 -10 xxd_main 428 418 -10 whois_main 140 130 -10 who_main 463 453 -10 which_main 212 202 -10 wget_main 2535 2525 -10 watchdog_main 291 281 -10 watch_main 222 212 -10 vlock_main 399 389 -10 uuencode_main 332 322 -10 uudecode_main 316 306 -10 unlink_main 45 35 -10 udhcpd_main 1482 1472 -10 udhcpc_main 2762 2752 -10 tune2fs_main 290 280 -10 tunctl_main 366 356 -10 truncate_main 218 208 -10 tr_main 518 508 -10 time_main 1134 1124 -10 tftp_main 286 276 -10 telnetd_main 1873 1863 -10 tcpudpsvd_main 1785 1775 -10 taskset_main 521 511 -10 tar_main 1009 999 -10 tail_main 1644 1634 -10 syslogd_main 1967 1957 -10 switch_root_main 368 358 -10 svlogd_main 1454 1444 -10 sv 1296 1286 -10 stat_main 104 94 -10 start_stop_daemon_main 1028 1018 -10 split_main 542 532 -10 sort_main 796 786 -10 slattach_main 624 614 -10 shuf_main 504 494 -10 setsid_main 96 86 -10 setserial_main 1132 1122 -10 setfont_main 388 378 -10 setconsole_main 78 68 -10 sendmail_main 1209 1199 -10 sed_main 677 667 -10 script_main 1077 1067 -10 run_parts_main 325 315 -10 rtcwake_main 454 444 -10 rm_main 175 165 -10 reformime_main 119 109 -10 readlink_main 123 113 -10 rdate_main 246 236 -10 pwdx_main 189 179 -10 pstree_main 317 307 -10 pscan_main 663 653 -10 popmaildir_main 818 808 -10 pmap_main 80 70 -10 nc_main 1042 1032 -10 mv_main 558 548 -10 mountpoint_main 477 467 -10 mount_main 1264 1254 -10 modprobe_main 768 758 -10 modinfo_main 333 323 -10 mktemp_main 200 190 -10 mkswap_main 324 314 -10 mkfs_vfat_main 1489 1479 -10 microcom_main 715 705 -10 md5_sha1_sum_main 521 511 -10 man_main 867 857 -10 makedevs_main 1052 1042 -10 ls_main 563 553 -10 losetup_main 432 422 -10 loadfont_main 89 79 -10 ln_main 524 514 -10 link_main 75 65 -10 ipcalc_main 544 534 -10 iostat_main 2397 2387 -10 install_main 768 758 -10 id_main 480 470 -10 i2cset_main 1239 1229 -10 i2cget_main 380 370 -10 i2cdump_main 1482 1472 -10 i2cdetect_main 682 672 -10 hwclock_main 406 396 -10 httpd_main 741 731 -10 grep_main 837 827 -10 getty_main 1559 1549 -10 fuser_main 297 287 -10 ftpgetput_main 345 335 -10 ftpd_main 2232 2222 -10 fstrim_main 251 241 -10 fsfreeze_main 77 67 -10 fsck_minix_main 2921 2911 -10 flock_main 314 304 -10 flashcp_main 740 730 -10 flash_eraseall_main 833 823 -10 fdformat_main 532 522 -10 expand_main 680 670 -10 eject_main 335 325 -10 dumpleases_main 630 620 -10 du_main 314 304 -10 dos2unix_main 441 431 -10 diff_main 1350 1340 -10 df_main 1064 1054 -10 date_main 1095 1085 -10 cut_main 961 951 -10 cryptpw_main 228 218 -10 crontab_main 575 565 -10 crond_main 1149 1139 -10 cp_main 370 360 -10 common_traceroute_main 3834 3824 -10 common_ping_main 1767 1757 -10 comm_main 239 229 -10 cmp_main 655 645 -10 chrt_main 379 369 -10 chpst_main 704 694 -10 chpasswd_main 308 298 -10 chown_main 171 161 -10 chmod_main 158 148 -10 cat_main 428 418 -10 bzip2_main 120 110 -10 blkdiscard_main 264 254 -10 base64_main 221 211 -10 arping_main 1665 1655 -10 ar_main 556 546 -10 adjtimex_main 406 396 -10 adduser_main 882 872 -10 addgroup_main 411 401 -10 acpid_main 1198 1188 -10 optstring 11 - -11 opt_string 18 - -18 OPT_STR 25 - -25 ubi_tools_main 1288 1258 -30 ls_options 31 - -31 ------------------------------------------------------------------------------ (add/remove: 0/6 grow/shrink: 3/129 up/down: 86/-1383) Total: -1297 bytes text data bss dec hex filename 915428 485 6876 922789 e14a5 busybox_old 914629 485 6872 921986 e1182 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
author: Denys Vlasenko 2017-08-08 21:55:02 +0200
committer: Denys Vlasenko 2017-08-08 21:55:02 +0200
commit: 22542eca18e5807b72ddc78999f5101e33f17a53 (patch)
tree: 1271842a37c6215c998674a44bf7f561a0deff52
parent: 036585a911a5fe6c2cd77b808dd9150500f37272 (diff)
download: busybox-22542eca18e5807b72ddc78999f5101e33f17a53.zip
busybox-22542eca18e5807b72ddc78999f5101e33f17a53.tar.gz
143 files changed, 597 insertions, 502 deletions
diff --git a/archival/ar.c b/archival/ar.c
index 46c10aa..027cd6b 100644
--- a/archival/ar.c
+++ b/archival/ar.c
@@ -243,10 +243,13 @@ int ar_main(int argc UNUSED_PARAM, char **argv)
 	/* prepend '-' to the first argument if required */
 	if (argv[1] && argv[1][0] != '-' && argv[1][0] != '\0')
 		argv[1] = xasprintf("-%s", argv[1]);
-	/* -1: at least one param is reqd */
-	/* one of p,t,x[,r] is required */
-	opt_complementary = "-1:p:t:x"IF_FEATURE_AR_CREATE(":r");
-	opt = getopt32(argv, "voc""ptx"IF_FEATURE_AR_CREATE("r"));
+	opt = getopt32(argv, "^"
+		"voc""ptx"IF_FEATURE_AR_CREATE("r")
+		"\0"
+		/* -1: at least one arg is reqd */
+		/* one of p,t,x[,r] is required */
+		"-1:p:t:x"IF_FEATURE_AR_CREATE(":r")
+	);
 	argv += optind;
 
 	t = opt / FIRST_CMD;
diff --git a/archival/bzip2.c b/archival/bzip2.c
index 0b9c508..d578eb7 100644
--- a/archival/bzip2.c
+++ b/archival/bzip2.c
@@ -195,9 +195,11 @@ int bzip2_main(int argc UNUSED_PARAM, char **argv)
 	 * --best        alias for -9
 	 */
 
-	opt_complementary = "s2"; /* -s means -2 (compatibility) */
-	/* Must match bbunzip's constants OPT_STDOUT, OPT_FORCE! */
-	opt = getopt32(argv, "cfkv" IF_FEATURE_BZIP2_DECOMPRESS("dt") "123456789qzs");
+	opt = getopt32(argv, "^"
+		/* Must match bbunzip's constants OPT_STDOUT, OPT_FORCE! */
+		"cfkv" IF_FEATURE_BZIP2_DECOMPRESS("dt") "123456789qzs"
+		"\0" "s2" /* -s means -2 (compatibility) */
+	);
 #if ENABLE_FEATURE_BZIP2_DECOMPRESS /* bunzip2_main may not be visible... */
 	if (opt & 0x30) // -d and/or -t
 		return bunzip2_main(argc, argv);
diff --git a/archival/dpkg_deb.c b/archival/dpkg_deb.c
index 029bc4a..f6bf9eb 100644
--- a/archival/dpkg_deb.c
+++ b/archival/dpkg_deb.c
@@ -80,8 +80,9 @@ int dpkg_deb_main(int argc UNUSED_PARAM, char **argv)
 #endif
 
 	/* Must have 1 or 2 args */
-	opt_complementary = "-1:?2:c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX";
-	opt = getopt32(argv, "cefXx");
+	opt = getopt32(argv, "^" "cefXx"
+			"\0" "-1:?2:c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX"
+	);
 	argv += optind;
 	//argc -= optind;
 
diff --git a/archival/lzop.c b/archival/lzop.c
index df18ff1..1bf954f 100644
--- a/archival/lzop.c
+++ b/archival/lzop.c
@@ -1138,7 +1138,7 @@ int lzop_main(int argc UNUSED_PARAM, char **argv)
 	/* -U is "anti -k", invert bit for bbunpack(): */
 	option_mask32 ^= OPT_KEEP;
 	/* -k disables -U (if any): */
-	/* opt_complementary = "k-U"; - nope, only handles -Uk, not -kU */
+	/* opt_complementary "k-U"? - nope, only handles -Uk, not -kU */
 	if (option_mask32 & OPT_k)
 		option_mask32 |= OPT_KEEP;
 
diff --git a/archival/tar.c b/archival/tar.c
index 44ab246..73c14ca 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -973,18 +973,6 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
 	/* Prepend '-' to the first argument if required */
 	if (argv[1] && argv[1][0] != '-' && argv[1][0] != '\0')
 		argv[1] = xasprintf("-%s", argv[1]);
-	opt_complementary =
-		"tt:vv:" // count -t,-v
-#if ENABLE_FEATURE_TAR_LONG_OPTIONS && ENABLE_FEATURE_TAR_FROM
-		"\xff::" // --exclude=PATTERN is a list
-#endif
-		IF_FEATURE_TAR_CREATE("c:") "t:x:" // at least one of these is reqd
-		IF_FEATURE_TAR_CREATE("c--tx:t--cx:x--ct") // mutually exclusive
-		IF_NOT_FEATURE_TAR_CREATE("t--x:x--t") // mutually exclusive
-#if ENABLE_FEATURE_TAR_LONG_OPTIONS
-		":\xf9+" // --strip-components=NUM
-#endif
-	;
 #if ENABLE_DESKTOP
 	/* Lie to buildroot when it starts asking stupid questions. */
 	if (argv[1] && strcmp(argv[1], "--version") == 0) {
@@ -1021,7 +1009,7 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
 		}
 	}
 #endif
-	opt = GETOPT32(argv,
+	opt = GETOPT32(argv, "^"
 		"txC:f:Oopvk"
 		IF_FEATURE_TAR_CREATE(   "ch"    )
 		IF_FEATURE_SEAMLESS_BZ2( "j"     )
@@ -1032,6 +1020,17 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
 		IF_FEATURE_SEAMLESS_Z(   "Z"     )
 		IF_FEATURE_TAR_NOPRESERVE_TIME("m")
 		IF_FEATURE_TAR_LONG_OPTIONS("\xf9:") // --strip-components
+		"\0"
+		"tt:vv:" // count -t,-v
+#if ENABLE_FEATURE_TAR_LONG_OPTIONS && ENABLE_FEATURE_TAR_FROM
+		"\xff::" // --exclude=PATTERN is a list
+#endif
+		IF_FEATURE_TAR_CREATE("c:") "t:x:" // at least one of these is reqd
+		IF_FEATURE_TAR_CREATE("c--tx:t--cx:x--ct") // mutually exclusive
+		IF_NOT_FEATURE_TAR_CREATE("t--x:x--t") // mutually exclusive
+#if ENABLE_FEATURE_TAR_LONG_OPTIONS
+		":\xf9+" // --strip-components=NUM
+#endif
 		LONGOPTS
 		, &base_dir // -C dir
 		, &tar_filename // -f filename
diff --git a/console-tools/loadfont.c b/console-tools/loadfont.c
index 623d981..81d0c3d 100644
--- a/console-tools/loadfont.c
+++ b/console-tools/loadfont.c
@@ -348,8 +348,7 @@ int loadfont_main(int argc UNUSED_PARAM, char **argv)
 	unsigned char *buffer;
 
 	// no arguments allowed!
-	opt_complementary = "=0";
-	getopt32(argv, "");
+	getopt32(argv, "^" "" "\0" "=0");
 
 	/*
 	 * We used to look at the length of the input file
@@ -437,8 +436,7 @@ int setfont_main(int argc UNUSED_PARAM, char **argv)
 	char *mapfilename;
 	const char *tty_name = CURRENT_TTY;
 
-	opt_complementary = "=1";
-	opts = getopt32(argv, "m:C:", &mapfilename, &tty_name);
+	opts = getopt32(argv, "^" "m:C:" "\0" "=1", &mapfilename, &tty_name);
 	argv += optind;
 
 	fd = xopen_nonblocking(tty_name);
diff --git a/console-tools/setconsole.c b/console-tools/setconsole.c
index 8f4b7b7..bad2b76 100644
--- a/console-tools/setconsole.c
+++ b/console-tools/setconsole.c
@@ -47,8 +47,7 @@ int setconsole_main(int argc UNUSED_PARAM, char **argv)
 	int reset;
 
 	/* at most one non-option argument */
-	opt_complementary = "?1";
-	reset = getopt32(argv, "r");
+	reset = getopt32(argv, "^" "r" "\0" "?1");
 
 	argv += 1 + reset;
 	if (*argv) {
diff --git a/coreutils/cat.c b/coreutils/cat.c
index 3902545..7e35fa5 100644
--- a/coreutils/cat.c
+++ b/coreutils/cat.c
@@ -170,9 +170,11 @@ int cat_main(int argc UNUSED_PARAM, char **argv)
 {
 	unsigned opts;
 
-	IF_FEATURE_CATV(opt_complementary = "Aetv"; /* -A == -vet */)
-	/* -u is ignored ("unbuffered") */
-	opts = getopt32(argv, IF_FEATURE_CATV("etvA") IF_FEATURE_CATN("nb") "u");
+	opts = getopt32(argv, IF_FEATURE_CATV("^")
+		/* -u is ignored ("unbuffered") */
+		IF_FEATURE_CATV("etvA")IF_FEATURE_CATN("nb")"u"
+		IF_FEATURE_CATV("\0" "Aetv" /* -A == -vet */)
+	);
 	argv += optind;
 
 	/* Read from stdin if there's nothing else to do. */
diff --git a/coreutils/chmod.c b/coreutils/chmod.c
index 2174334..88989bf 100644
--- a/coreutils/chmod.c
+++ b/coreutils/chmod.c
@@ -123,8 +123,7 @@ int chmod_main(int argc UNUSED_PARAM, char **argv)
 	}
 
 	/* Parse options */
-	opt_complementary = "-2";
-	getopt32(argv, ("-"OPT_STR) + 1); /* Reuse string */
+	getopt32(argv, "^" OPT_STR "\0" "-2");
 	argv += optind;
 
 	/* Restore option-like mode if needed */
diff --git a/coreutils/chown.c b/coreutils/chown.c
index 0c77529..985d18d 100644
--- a/coreutils/chown.c
+++ b/coreutils/chown.c
@@ -55,7 +55,7 @@
 /* This is a NOEXEC applet. Be very careful! */
 
 
-#define OPT_STR     ("Rh" IF_DESKTOP("vcfLHP"))
+#define OPT_STR     "Rh" IF_DESKTOP("vcfLHP")
 #define BIT_RECURSE 1
 #define OPT_RECURSE (opt & 1)
 #define OPT_NODEREF (opt & 2)
@@ -127,11 +127,10 @@ int chown_main(int argc UNUSED_PARAM, char **argv)
 	int opt, flags;
 	struct param_t param;
 
-	opt_complementary = "-2";
 #if ENABLE_FEATURE_CHOWN_LONG_OPTIONS
-	opt = getopt32long(argv, OPT_STR, chown_longopts);
+	opt = getopt32long(argv, "^" OPT_STR "\0" "=2", chown_longopts);
 #else
-	opt = getopt32(argv, OPT_STR);
+	opt = getopt32(argv, "^" OPT_STR "\0" "=2");
 #endif
 	argv += optind;
 
diff --git a/coreutils/comm.c b/coreutils/comm.c
index 5be1146..4bee776 100644
--- a/coreutils/comm.c
+++ b/coreutils/comm.c
@@ -62,8 +62,7 @@ int comm_main(int argc UNUSED_PARAM, char **argv)
 	int i;
 	int order;
 
-	opt_complementary = "=2";
-	getopt32(argv, "123");
+	getopt32(argv, "^" "123" "\0" "=2");
 	argv += optind;
 
 	for (i = 0; i < 2; ++i) {
diff --git a/coreutils/cp.c b/coreutils/cp.c
index fe40895..5b34c27 100644
--- a/coreutils/cp.c
+++ b/coreutils/cp.c
@@ -73,15 +73,17 @@ int cp_main(int argc, char **argv)
 #endif
 	};
 
-	// Need at least two arguments
-	// Soft- and hardlinking doesn't mix
-	// -P and -d are the same (-P is POSIX, -d is GNU)
-	// -r and -R are the same
-	// -R (and therefore -r) turns on -d (coreutils does this)
-	// -a = -pdR
-	opt_complementary = "-2:l--s:s--l:Pd:rRd:Rd:apdR";
 #if ENABLE_FEATURE_CP_LONG_OPTIONS
-	flags = getopt32long(argv, FILEUTILS_CP_OPTSTR,
+	flags = getopt32long(argv, "^"
+		FILEUTILS_CP_OPTSTR
+		"\0"
+		// Need at least two arguments
+		// Soft- and hardlinking doesn't mix
+		// -P and -d are the same (-P is POSIX, -d is GNU)
+		// -r and -R are the same
+		// -R (and therefore -r) turns on -d (coreutils does this)
+		// -a = -pdR
+		"-2:l--s:s--l:Pd:rRd:Rd:apdR",
 		"archive\0"        No_argument "a"
 		"force\0"          No_argument "f"
 		"interactive\0"    No_argument "i"
diff --git a/coreutils/cut.c b/coreutils/cut.c
index 6578ce8..cdd90ab 100644
--- a/coreutils/cut.c
+++ b/coreutils/cut.c
@@ -42,7 +42,7 @@
 
 
 /* option vars */
-static const char optstring[] ALIGN1 = "b:c:f:d:sn";
+#define OPT_STR "b:c:f:d:sn"
 #define CUT_OPT_BYTE_FLGS     (1 << 0)
 #define CUT_OPT_CHAR_FLGS     (1 << 1)
 #define CUT_OPT_FIELDS_FLGS   (1 << 2)
@@ -201,8 +201,11 @@ int cut_main(int argc UNUSED_PARAM, char **argv)
 	char *sopt, *ltok;
 	unsigned opt;
 
-	opt_complementary = "b--bcf:c--bcf:f--bcf";
-	opt = getopt32(argv, optstring, &sopt, &sopt, &sopt, &ltok);
+	opt = getopt32(argv, "^"
+			OPT_STR
+			"\0" "b--bcf:c--bcf:f--bcf",
+			&sopt, &sopt, &sopt, &ltok
+	);
 //	argc -= optind;
 	argv += optind;
 	if (!(opt & (CUT_OPT_BYTE_FLGS | CUT_OPT_CHAR_FLGS | CUT_OPT_FIELDS_FLGS)))
diff --git a/coreutils/date.c b/coreutils/date.c
index 33f2104..5b15ce7 100644
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -192,12 +192,16 @@ int date_main(int argc UNUSED_PARAM, char **argv)
 	char *filename;
 	char *isofmt_arg = NULL;
 
-	opt_complementary = "d--s:s--d"
-		IF_FEATURE_DATE_ISOFMT(":R--I:I--R");
-	opt = getopt32long(argv, "Rs:ud:r:"
-			IF_FEATURE_DATE_ISOFMT("I::D:"), date_longopts,
+	opt = getopt32long(argv, "^"
+			"Rs:ud:r:"
+			IF_FEATURE_DATE_ISOFMT("I::D:")
+			"\0"
+			"d--s:s--d"
+			IF_FEATURE_DATE_ISOFMT(":R--I:I--R"),
+			date_longopts,
 			&date_str, &date_str, &filename
-			IF_FEATURE_DATE_ISOFMT(, &isofmt_arg, &fmt_str2dt));
+			IF_FEATURE_DATE_ISOFMT(, &isofmt_arg, &fmt_str2dt)
+	);
 	argv += optind;
 	maybe_set_utc(opt);
 
diff --git a/coreutils/df.c b/coreutils/df.c
index 4d6534b..121da97 100644
--- a/coreutils/df.c
+++ b/coreutils/df.c
@@ -115,15 +115,18 @@ int df_main(int argc UNUSED_PARAM, char **argv)
 
 	init_unicode();
 
+	opt = getopt32(argv, "^"
+			"kPT"
+			IF_FEATURE_DF_FANCY("aiB:")
+			IF_FEATURE_HUMAN_READABLE("hm")
+			"\0"
 #if ENABLE_FEATURE_HUMAN_READABLE && ENABLE_FEATURE_DF_FANCY
-	opt_complementary = "k-mB:m-Bk:B-km";
+			"k-mB:m-Bk:B-km"
 #elif ENABLE_FEATURE_HUMAN_READABLE
-	opt_complementary = "k-m:m-k";
+			"k-m:m-k"
 #endif
-	opt = getopt32(argv, "kPT"
-			IF_FEATURE_DF_FANCY("aiB:")
-			IF_FEATURE_HUMAN_READABLE("hm")
-			IF_FEATURE_DF_FANCY(, &chp));
+			IF_FEATURE_DF_FANCY(, &chp)
+	);
 	if (opt & OPT_MEGA)
 		df_disp_hr = 1024*1024;
 
diff --git a/coreutils/dos2unix.c b/coreutils/dos2unix.c
index a3d0080..9f098e4 100644
--- a/coreutils/dos2unix.c
+++ b/coreutils/dos2unix.c
@@ -120,8 +120,7 @@ int dos2unix_main(int argc UNUSED_PARAM, char **argv)
 	}
 
 	/* -u convert to unix, -d convert to dos */
-	opt_complementary = "u--d:d--u"; /* mutually exclusive */
-	o = getopt32(argv, "du");
+	o = getopt32(argv, "^" "du" "\0" "u--d:d--u"); /* mutually exclusive */
 
 	/* Do the conversion requested by an argument else do the default
 	 * conversion depending on our name.  */
diff --git a/coreutils/du.c b/coreutils/du.c
index 947c46e..d5ce46c 100644
--- a/coreutils/du.c
+++ b/coreutils/du.c
@@ -242,8 +242,11 @@ 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";
-	opt = getopt32(argv, "aHkLsx" "d:+" "lc" "hm", &G.max_print_depth);
+	opt = getopt32(argv, "^"
+			"aHkLsxd:+lchm"
+			"\0" "h-km:k-hm:m-hk:H-L:L-H:s-d:d-s",
+			&G.max_print_depth
+	);
 	argv += optind;
 	if (opt & OPT_h_for_humans) {
 		G.disp_unit = 0;
@@ -255,8 +258,11 @@ int du_main(int argc UNUSED_PARAM, char **argv)
 		G.disp_unit = 1024;
 	}
 #else
-	opt_complementary = "H-L:L-H:s-d:d-s";
-	opt = getopt32(argv, "aHkLsx" "d:+" "lc", &G.max_print_depth);
+	opt = getopt32(argv, "^"
+			"aHkLsxd:+lc"
+			"\0" "H-L:L-H:s-d:d-s",
+			&G.max_print_depth
+	);
 	argv += optind;
 #if !ENABLE_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
 	if (opt & OPT_k_kbytes) {
diff --git a/coreutils/expand.c b/coreutils/expand.c
index fa3ff18..91084b8 100644
--- a/coreutils/expand.c
+++ b/coreutils/expand.c
@@ -174,9 +174,10 @@ int expand_main(int argc UNUSED_PARAM, char **argv)
 				, &opt_t
 		);
 	} else {
-		/* -t NUM sets also -a */
-		opt_complementary = "ta";
-		opt = getopt32long(argv, "ft:a",
+		opt = getopt32long(argv, "^"
+				"ft:a"
+				"\0"
+				"ta" /* -t NUM sets -a */,
 				"first-only\0"       No_argument       "i"
 				"tabs\0"             Required_argument "t"
 				"all\0"              No_argument       "a"
diff --git a/coreutils/id.c b/coreutils/id.c
index 6043bca..5a7fb9a 100644
--- a/coreutils/id.c
+++ b/coreutils/id.c
@@ -170,9 +170,12 @@ int id_main(int argc UNUSED_PARAM, char **argv)
 	} else {
 		/* Don't allow -n -r -nr -ug -rug -nug -rnug -uZ -gZ -GZ*/
 		/* Don't allow more than one username */
-		opt_complementary = "?1:u--g:g--u:G--u:u--G:g--G:G--g:r?ugG:n?ugG"
-			IF_SELINUX(":u--Z:Z--u:g--Z:Z--g:G--Z:Z--G");
-		opt = getopt32(argv, "rnugG" IF_SELINUX("Z"));
+		opt = getopt32(argv, "^"
+			"rnugG" IF_SELINUX("Z")
+			"\0"
+			"?1:u--g:g--u:G--u:u--G:g--G:G--g:r?ugG:n?ugG"
+			IF_SELINUX(":u--Z:Z--u:g--Z:Z--g:G--Z:Z--G")
+		);
 	}
 
 	username = argv[optind];
diff --git a/coreutils/install.c b/coreutils/install.c
index c01750f..2e4dc25 100644
--- a/coreutils/install.c
+++ b/coreutils/install.c
@@ -140,13 +140,16 @@ int install_main(int argc, char **argv)
 #endif
 	};
 
-	opt_complementary = "t--d:d--t:s--d:d--s" IF_FEATURE_INSTALL_LONG_OPTIONS(IF_SELINUX(":Z--\xff:\xff--Z"));
 	/* -c exists for backwards compatibility, it's needed */
 	/* -b is ignored ("make a backup of each existing destination file") */
-	opts = GETOPT32(argv, "cvb" "Ddpsg:m:o:t:" IF_SELINUX("Z:"),
-			LONGOPTS
-			&gid_str, &mode_str, &uid_str, &last
-			IF_SELINUX(, &scontext)
+	opts = GETOPT32(argv, "^"
+		"cvb" "Ddpsg:m:o:t:" IF_SELINUX("Z:")
+		"\0"
+		"t--d:d--t:s--d:d--s"
+		IF_FEATURE_INSTALL_LONG_OPTIONS(IF_SELINUX(":Z--\xff:\xff--Z")),
+		LONGOPTS
+		&gid_str, &mode_str, &uid_str, &last
+		IF_SELINUX(, &scontext)
 	);
 	argc -= optind;
 	argv += optind;
diff --git a/coreutils/link.c b/coreutils/link.c
index 6e20daf..81808b7 100644
--- a/coreutils/link.c
+++ b/coreutils/link.c
@@ -27,8 +27,7 @@
 int link_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int link_main(int argc UNUSED_PARAM, char **argv)
 {
-	opt_complementary = "=2"; /* exactly 2 params */
-	getopt32(argv, "");
+	getopt32(argv, "^" "" "\0" "=2");
 	argv += optind;
 	if (link(argv[0], argv[1]) != 0) {
 		/* shared message */
diff --git a/coreutils/ln.c b/coreutils/ln.c
index fed96af..2dda5da 100644
--- a/coreutils/ln.c
+++ b/coreutils/ln.c
@@ -62,8 +62,7 @@ int ln_main(int argc, char **argv)
 	struct stat statbuf;
 	int (*link_func)(const char *, const char *);
 
-	opt_complementary = "-1"; /* min one arg */
-	opts = getopt32(argv, "sfnbS:vT", &suffix);
+	opts = getopt32(argv, "^" "sfnbS:vT" "\0" "-1", &suffix);
 
 	last = argv[argc - 1];
 	argv += optind;
diff --git a/coreutils/ls.c b/coreutils/ls.c
index 0834cdc..af5e6cb 100644
--- a/coreutils/ls.c
+++ b/coreutils/ls.c
@@ -206,18 +206,18 @@ SPLIT_SUBDIR    = 2,
 /* -SXvhTw  GNU options, busybox optionally supports */
 /* -T WIDTH Ignored (we don't use tabs on output) */
 /* -Z       SELinux mandated option, busybox optionally supports */
-static const char ls_options[] ALIGN1 =
-	"Cadi1lgnsxAk"       /* 12 opts, total 12 */
-	IF_FEATURE_LS_FILETYPES("Fp")    /* 2, 14 */
-	IF_FEATURE_LS_RECURSIVE("R")     /* 1, 15 */
-	IF_SELINUX("Z")                  /* 1, 16 */
-	"Q"                              /* 1, 17 */
-	IF_FEATURE_LS_TIMESTAMPS("ctu")  /* 3, 20 */
-	IF_FEATURE_LS_SORTFILES("SXrv")  /* 4, 24 */
-	IF_FEATURE_LS_FOLLOWLINKS("LH")  /* 2, 26 */
-	IF_FEATURE_HUMAN_READABLE("h")   /* 1, 27 */
+#define ls_options \
+	"Cadi1lgnsxAk"       /* 12 opts, total 12 */ \
+	IF_FEATURE_LS_FILETYPES("Fp")    /* 2, 14 */ \
+	IF_FEATURE_LS_RECURSIVE("R")     /* 1, 15 */ \
+	IF_SELINUX("Z")                  /* 1, 16 */ \
+	"Q"                              /* 1, 17 */ \
+	IF_FEATURE_LS_TIMESTAMPS("ctu")  /* 3, 20 */ \
+	IF_FEATURE_LS_SORTFILES("SXrv")  /* 4, 24 */ \
+	IF_FEATURE_LS_FOLLOWLINKS("LH")  /* 2, 26 */ \
+	IF_FEATURE_HUMAN_READABLE("h")   /* 1, 27 */ \
 	IF_FEATURE_LS_WIDTH("T:w:")      /* 2, 29 */
-;
+
 enum {
 	OPT_C = (1 << 0),
 	OPT_a = (1 << 1),
@@ -1093,24 +1093,26 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
 #endif
 
 	/* process options */
-	opt_complementary =
-		/* -n and -g imply -l */
-		"nl:gl"
-		/* --full-time implies -l */
-		IF_FEATURE_LS_TIMESTAMPS(IF_LONG_OPTS(":\xff""l"))
-		/* http://pubs.opengroup.org/onlinepubs/9699919799/utilities/ls.html:
-		 * in some pairs of opts, only last one takes effect:
-		 */
-		IF_FEATURE_LS_TIMESTAMPS(IF_FEATURE_LS_SORTFILES(":t-S:S-t")) /* time/size */
-		// ":m-l:l-m" - we don't have -m
-		IF_FEATURE_LS_FOLLOWLINKS(":H-L:L-H")
-		":C-xl:x-Cl:l-xC" /* bycols/bylines/long */
-		":C-1:1-C" /* bycols/oneline */
-		":x-1:1-x" /* bylines/oneline (not in SuS, but in GNU coreutils 8.4) */
-		IF_FEATURE_LS_TIMESTAMPS(":c-u:u-c") /* mtime/atime */
-		/* -w NUM: */
-		IF_FEATURE_LS_WIDTH(":w+");
-	opt = getopt32long(argv, ls_options, ls_longopts
+	opt = getopt32long(argv, "^"
+		ls_options
+			"\0"
+			/* -n and -g imply -l */
+			"nl:gl"
+			/* --full-time implies -l */
+			IF_FEATURE_LS_TIMESTAMPS(IF_LONG_OPTS(":\xff""l"))
+			/* http://pubs.opengroup.org/onlinepubs/9699919799/utilities/ls.html:
+			 * in some pairs of opts, only last one takes effect:
+			 */
+			IF_FEATURE_LS_TIMESTAMPS(IF_FEATURE_LS_SORTFILES(":t-S:S-t")) /* time/size */
+			// ":m-l:l-m" - we don't have -m
+			IF_FEATURE_LS_FOLLOWLINKS(":H-L:L-H")
+			":C-xl:x-Cl:l-xC" /* bycols/bylines/long */
+			":C-1:1-C" /* bycols/oneline */
+			":x-1:1-x" /* bylines/oneline (not in SuS, but in GNU coreutils 8.4) */
+			IF_FEATURE_LS_TIMESTAMPS(":c-u:u-c") /* mtime/atime */
+			/* -w NUM: */
+			IF_FEATURE_LS_WIDTH(":w+")
+		, ls_longopts
 		IF_FEATURE_LS_WIDTH(, /*-T*/ NULL, /*-w*/ &G_terminal_width)
 		IF_FEATURE_LS_COLOR(, &color_opt)
 	);
diff --git a/coreutils/md5_sha1_sum.c b/coreutils/md5_sha1_sum.c
index bcccdd6..89d6cec 100644
--- a/coreutils/md5_sha1_sum.c
+++ b/coreutils/md5_sha1_sum.c
@@ -258,15 +258,14 @@ int md5_sha1_sum_main(int argc UNUSED_PARAM, char **argv)
 #endif
 
 	if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK) {
-		/* -s and -w require -c */
-		opt_complementary = "s?c:w?c";
 		/* -b "binary", -t "text" are ignored (shaNNNsum compat) */
+		/* -s and -w require -c */
 #if ENABLE_SHA3SUM
 		if (applet_name[3] == HASH_SHA3)
-			flags = getopt32(argv, "scwbta:+", &sha3_width);
+			flags = getopt32(argv, "^" "scwbta:+" "\0" "s?c:w?c", &sha3_width);
 		else
 #endif
-			flags = getopt32(argv, "scwbt");
+			flags = getopt32(argv, "^" "scwbt" "\0" "s?c:w?c");
 	} else {
 #if ENABLE_SHA3SUM
 		if (applet_name[3] == HASH_SHA3)
diff --git a/coreutils/mktemp.c b/coreutils/mktemp.c
index 944eb0e..d4ff883 100644
--- a/coreutils/mktemp.c
+++ b/coreutils/mktemp.c
@@ -80,8 +80,7 @@ int mktemp_main(int argc UNUSED_PARAM, char **argv)
 	if (!path || path[0] == '\0')
 		path = "/tmp";
 
-	opt_complementary = "?1"; /* 1 argument max */
-	opts = getopt32(argv, "dqtp:u", &path);
+	opts = getopt32(argv, "^" "dqtp:u" "\0" "?1"/*1 arg max*/, &path);
 
 	chp = argv[optind];
 	if (!chp) {
diff --git a/coreutils/mv.c b/coreutils/mv.c
index 7f6e9fe..10cbc50 100644
--- a/coreutils/mv.c
+++ b/coreutils/mv.c
@@ -55,8 +55,10 @@ int mv_main(int argc, char **argv)
 	 * If more than one of -f, -i, -n is specified , only the final one
 	 * takes effect (it unsets previous options).
 	 */
-	opt_complementary = "-2:f-in:i-fn:n-fi";
-	flags = getopt32long(argv, "finv",
+	flags = getopt32long(argv, "^"
+			"finv"
+			"\0"
+			"-2:f-in:i-fn:n-fi",
 			"interactive\0" No_argument "i"
 			"force\0"       No_argument "f"
 			"no-clobber\0"  No_argument "n"
diff --git a/coreutils/readlink.c b/coreutils/readlink.c
index 7f8d6b2..b8e327d 100644
--- a/coreutils/readlink.c
+++ b/coreutils/readlink.c
@@ -71,8 +71,7 @@ int readlink_main(int argc UNUSED_PARAM, char **argv)
 	IF_FEATURE_READLINK_FOLLOW(
 		unsigned opt;
 		/* We need exactly one non-option argument.  */
-		opt_complementary = "=1";
-		opt = getopt32(argv, "fnvsq");
+		opt = getopt32(argv, "^" "fnvsq" "\0" "=1");
 		fname = argv[optind];
 	)
 	IF_NOT_FEATURE_READLINK_FOLLOW(
diff --git a/coreutils/rm.c b/coreutils/rm.c
index 5e4acab..b68a82d 100644
--- a/coreutils/rm.c
+++ b/coreutils/rm.c
@@ -46,8 +46,7 @@ int rm_main(int argc UNUSED_PARAM, char **argv)
 	int flags = 0;
 	unsigned opt;
 
-	opt_complementary = "f-i:i-f";
-	opt = getopt32(argv, "fiRrv");
+	opt = getopt32(argv, "^" "fiRrv" "\0" "f-i:i-f");
 	argv += optind;
 	if (opt & 1)
 		flags |= FILEUTILS_FORCE;
diff --git a/coreutils/shuf.c b/coreutils/shuf.c
index 4030415..d0caaa2 100644
--- a/coreutils/shuf.c
+++ b/coreutils/shuf.c
@@ -70,8 +70,11 @@ int shuf_main(int argc, char **argv)
 	unsigned numlines;
 	char eol;
 
-	opt_complementary = "e--i:i--e"; /* mutually exclusive */
-	opts = getopt32(argv, OPT_STR, &opt_i_str, &opt_n_str, &opt_o_str);
+	opts = getopt32(argv, "^"
+			OPT_STR
+			"\0" "e--i:i--e"/* mutually exclusive */,
+			&opt_i_str, &opt_n_str, &opt_o_str
+	);
 
 	argc -= optind;
 	argv += optind;
diff --git a/coreutils/sort.c b/coreutils/sort.c
index 9860dca..ceea244 100644
--- a/coreutils/sort.c
+++ b/coreutils/sort.c
@@ -94,7 +94,7 @@
 */
 
 /* These are sort types */
-static const char OPT_STR[] ALIGN1 = "ngMucszbrdfimS:T:o:k:*t:";
+#define OPT_STR "ngMucszbrdfimS:T:o:k:*t:"
 enum {
 	FLAG_n  = 1,            /* Numeric sort */
 	FLAG_g  = 2,            /* Sort using strtod() */
@@ -378,9 +378,11 @@ int sort_main(int argc UNUSED_PARAM, char **argv)
 	xfunc_error_retval = 2;
 
 	/* 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 */
-	opts = getopt32(argv, OPT_STR, &str_ignored, &str_ignored, &str_o, &lst_k, &str_t);
+	opts = getopt32(argv, "^"
+			OPT_STR
+			"\0" "o--o:t--t"/*-t, -o: at most one of each*/,
+			&str_ignored, &str_ignored, &str_o, &lst_k, &str_t
+	);
 	/* global b strips leading and trailing spaces */
 	if (opts & FLAG_b)
 		option_mask32 |= FLAG_bb;
diff --git a/coreutils/split.c b/coreutils/split.c
index d0c6357..4e1db19 100644
--- a/coreutils/split.c
+++ b/coreutils/split.c
@@ -100,8 +100,11 @@ int split_main(int argc UNUSED_PARAM, char **argv)
 
 	setup_common_bufsiz();
 
-	opt_complementary = "?2"; /* max 2 args; -a N */
-	opt = getopt32(argv, "l:b:a:+", &count_p, &count_p, &suffix_len);
+	opt = getopt32(argv, "^"
+			"l:b:a:+" /* -a N */
+			"\0" "?2"/*max 2 args*/,
+			&count_p, &count_p, &suffix_len
+	);
 
 	if (opt & SPLIT_OPT_l)
 		cnt = XATOOFF(count_p);
diff --git a/coreutils/stat.c b/coreutils/stat.c
index 4e926a9..dafbd4e 100644
--- a/coreutils/stat.c
+++ b/coreutils/stat.c
@@ -762,11 +762,13 @@ int stat_main(int argc UNUSED_PARAM, char **argv)
 	unsigned opts;
 	statfunc_ptr statfunc = do_stat;
 
-	opt_complementary = "-1"; /* min one arg */
-	opts = getopt32(argv, "tL"
+	opts = getopt32(argv, "^"
+		"tL"
 		IF_FEATURE_STAT_FILESYSTEM("f")
 		IF_SELINUX("Z")
-		IF_FEATURE_STAT_FORMAT("c:", &format)
+		IF_FEATURE_STAT_FORMAT("c:")
+		"\0" "-1" /* min one arg */
+		IF_FEATURE_STAT_FORMAT(,&format)
 	);
 #if ENABLE_FEATURE_STAT_FILESYSTEM
 	if (opts & OPT_FILESYS) /* -f */
diff --git a/coreutils/sync.c b/coreutils/sync.c
index 6644528..9be47ab 100644
--- a/coreutils/sync.c
+++ b/coreutils/sync.c
@@ -59,8 +59,7 @@ int sync_main(int argc UNUSED_PARAM, char **argv IF_NOT_DESKTOP(UNUSED_PARAM))
 		OPT_SYNCFS   = (1 << 1),
 	};
 
-	opt_complementary = "d--f:f--d";
-	opts = getopt32(argv, "df");
+	opts = getopt32(argv, "^" "df" "\0" "d--f:f--d");
 	argv += optind;
 
 	/* Handle the no-argument case. */
diff --git a/coreutils/tail.c b/coreutils/tail.c
index fd310f4..7335ba1 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -140,9 +140,11 @@ int tail_main(int argc, char **argv)
 #endif
 
 	/* -s NUM, -F imlies -f */
-	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));
+	opt = getopt32(argv, IF_FEATURE_FANCY_TAIL("^")
+			"fc:n:"IF_FEATURE_FANCY_TAIL("qs:+vF")
+			IF_FEATURE_FANCY_TAIL("\0" "Ff"),
+			&str_c, &str_n IF_FEATURE_FANCY_TAIL(,&sleep_period)
+	);
 #define FOLLOW (opt & 0x1)
 #define COUNT_BYTES (opt & 0x2)
 	//if (opt & 0x1) // -f
diff --git a/coreutils/tr.c b/coreutils/tr.c
index 64e4efc..c587243 100644
--- a/coreutils/tr.c
+++ b/coreutils/tr.c
@@ -298,8 +298,8 @@ int tr_main(int argc UNUSED_PARAM, char **argv)
 	 * In POSIX locale, these are the same.
 	 */
 
-	opt_complementary = "-1";
-	opts = getopt32(argv, "+Ccds"); /* '+': stop at first non-option */
+	/* '+': stop at first non-option */
+	opts = getopt32(argv, "^+" "Ccds" "\0" "-1");
 	argv += optind;
 
 	str1_length = expand(*argv++, &str1);
diff --git a/coreutils/truncate.c b/coreutils/truncate.c
index f67abaf..f693570 100644
--- a/coreutils/truncate.c
+++ b/coreutils/truncate.c
@@ -50,8 +50,7 @@ int truncate_main(int argc UNUSED_PARAM, char **argv)
 		OPT_SIZE = (1 << 1),
 	};
 
-	opt_complementary = "s:-1";
-	opts = getopt32(argv, "cs:", &size_str);
+	opts = getopt32(argv, "^" "cs:" "\0" "s:-1", &size_str);
 
 	if (!(opts & OPT_NOCREATE))
 		flags |= O_CREAT;
diff --git a/coreutils/unlink.c b/coreutils/unlink.c
index e32a974..56309b1 100644
--- a/coreutils/unlink.c
+++ b/coreutils/unlink.c
@@ -25,8 +25,7 @@
 int unlink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int unlink_main(int argc UNUSED_PARAM, char **argv)
 {
-	opt_complementary = "=1"; /* must have exactly 1 param */
-	getopt32(argv, "");
+	getopt32(argv, "^" "" "\0" "=1");
 	argv += optind;
 	xunlink(argv[0]);
 	return 0;
diff --git a/coreutils/uudecode.c b/coreutils/uudecode.c
index 4e72e86..5ef05ee 100644
--- a/coreutils/uudecode.c
+++ b/coreutils/uudecode.c
@@ -120,8 +120,7 @@ int uudecode_main(int argc UNUSED_PARAM, char **argv)
 	char *outname = NULL;
 	char *line;
 
-	opt_complementary = "?1"; /* 1 argument max */
-	getopt32(argv, "o:", &outname);
+	getopt32(argv, "^" "o:" "\0" "?1"/* 1 arg max*/, &outname);
 	argv += optind;
 
 	if (!argv[0])
@@ -196,8 +195,7 @@ int base64_main(int argc UNUSED_PARAM, char **argv)
 	FILE *src_stream;
 	unsigned opts;
 
-	opt_complementary = "?1"; /* 1 argument max */
-	opts = getopt32(argv, "d");
+	opts = getopt32(argv, "^" "d" "\0" "?1"/* 1 arg max*/);
 	argv += optind;
 
 	if (!argv[0])
diff --git a/coreutils/uuencode.c b/coreutils/uuencode.c
index 7164f83..d6e0774 100644
--- a/coreutils/uuencode.c
+++ b/coreutils/uuencode.c
@@ -49,8 +49,7 @@ int uuencode_main(int argc UNUSED_PARAM, char **argv)
 
 	tbl = bb_uuenc_tbl_std;
 	mode = 0666 & ~umask(0666);
-	opt_complementary = "-1:?2"; /* must have 1 or 2 args */
-	if (getopt32(argv, "m")) {
+	if (getopt32(argv, "^" "m" "\0" "-1:?2"/*must have 1 or 2 args*/)) {
 		tbl = bb_uuenc_tbl_base64;
 	}
 	argv += optind;
diff --git a/coreutils/who.c b/coreutils/who.c
index 6be3d69..cfe0c92 100644
--- a/coreutils/who.c
+++ b/coreutils/who.c
@@ -117,8 +117,7 @@ int who_main(int argc UNUSED_PARAM, char **argv)
 	unsigned opt;
 	const char *fmt = "%s";
 
-	opt_complementary = "=0";
-	opt = getopt32(argv, do_who ? "aH" : "");
+	opt = getopt32(argv, do_who ? "^" "aH" "\0" "=0": "^" "" "\0" "=0");
 	if ((opt & 2) || do_w) /* -H or we are w */
 		puts("USER\t\tTTY\t\tIDLE\tTIME\t\t HOST");
 
diff --git a/debianutils/run_parts.c b/debianutils/run_parts.c
index b770383..e4d61df 100644
--- a/debianutils/run_parts.c
+++ b/debianutils/run_parts.c
@@ -181,8 +181,9 @@ int run_parts_main(int argc UNUSED_PARAM, char **argv)
 	INIT_G();
 
 	/* We require exactly one argument: the directory name */
-	opt_complementary = "=1";
-	GETOPT32(argv, "a:*u:" LONGOPTS, &arg_list, &umask_p);
+	GETOPT32(argv, "^" "a:*u:" "\0" "=1" LONGOPTS,
+			&arg_list, &umask_p
+	);
 
 	umask(xstrtou_range(umask_p, 8, 0, 07777));
 
diff --git a/debianutils/start_stop_daemon.c b/debianutils/start_stop_daemon.c
index 45c277a..12cf6c3 100644
--- a/debianutils/start_stop_daemon.c
+++ b/debianutils/start_stop_daemon.c
@@ -451,15 +451,17 @@ int start_stop_daemon_main(int argc UNUSED_PARAM, char **argv)
 
 	INIT_G();
 
-	/* -K or -S is required; they are mutually exclusive */
-	/* -p is required if -m is given */
-	/* -xpun (at least one) is required if -K is given */
-	/* -xa (at least one) is required if -S is given */
-	/* -q turns off -v */
-	opt_complementary = "K:S:K--S:S--K:m?p:K?xpun:S?xa"
-		IF_FEATURE_START_STOP_DAEMON_FANCY("q-v");
-	opt = GETOPT32(argv, "KSbqtma:n:s:u:c:x:p:"
-		IF_FEATURE_START_STOP_DAEMON_FANCY("ovN:R:"),
+	opt = GETOPT32(argv, "^"
+		"KSbqtma:n:s:u:c:x:p:"
+		IF_FEATURE_START_STOP_DAEMON_FANCY("ovN:R:")
+			/* -K or -S is required; they are mutually exclusive */
+			/* -p is required if -m is given */
+			/* -xpun (at least one) is required if -K is given */
+			/* -xa (at least one) is required if -S is given */
+			/* -q turns off -v */
+			"\0"
+			"K:S:K--S:S--K:m?p:K?xpun:S?xa"
+			IF_FEATURE_START_STOP_DAEMON_FANCY("q-v"),
 		LONGOPTS
 		&startas, &cmdname, &signame, &userspec, &chuid, &execname, &pidfile
 		IF_FEATURE_START_STOP_DAEMON_FANCY(,&opt_N)
diff --git a/debianutils/which.c b/debianutils/which.c
index b31d618..3bd54ac 100644
--- a/debianutils/which.c
+++ b/debianutils/which.c
@@ -37,8 +37,7 @@ int which_main(int argc UNUSED_PARAM, char **argv)
 	if (!env_path)
 		env_path = bb_default_root_path;
 
-	opt_complementary = "-1"; /* at least one argument */
-	getopt32(argv, "a");
+	getopt32(argv, "^" "a" "\0" "-1"/*at least one arg*/);
 	argv += optind;
 
 	do {
diff --git a/e2fsprogs/tune2fs.c b/e2fsprogs/tune2fs.c
index 9f14b26..a1caf01 100644
--- a/e2fsprogs/tune2fs.c
+++ b/e2fsprogs/tune2fs.c
@@ -71,8 +71,7 @@ int tune2fs_main(int argc UNUSED_PARAM, char **argv)
 	struct ext2_super_block *sb;
 	int fd;
 
-	opt_complementary = "=1";
-	opts = getopt32(argv, "L:c:i:C:", &label, &str_c, &str_i, &str_C);
+	opts = getopt32(argv, "^" "L:c:i:C:" "\0" "=1", &label, &str_c, &str_i, &str_C);
 	if (!opts)
 		bb_show_usage();
 	argv += optind; // argv[0] -- device
diff --git a/editors/cmp.c b/editors/cmp.c
index f53d960..ec86c0c 100644
--- a/editors/cmp.c
+++ b/editors/cmp.c
@@ -36,7 +36,7 @@ static const char fmt_differ[] ALIGN1 = "%s %s differ: char %"OFF_FMT"u, line %u
 // This fmt_l_opt uses gnu-isms.  SUSv3 would be "%.0s%.0s%"OFF_FMT"u %o %o\n"
 static const char fmt_l_opt[] ALIGN1 = "%.0s%.0s%"OFF_FMT"u %3o %3o\n";
 
-static const char opt_chars[] ALIGN1 = "sl";
+#define OPT_STR "sl"
 #define CMP_OPT_s (1<<0)
 #define CMP_OPT_l (1<<1)
 
@@ -52,11 +52,13 @@ int cmp_main(int argc UNUSED_PARAM, char **argv)
 	unsigned opt;
 	int retval = 0;
 
-	opt_complementary = "-1"
+	opt = getopt32(argv, "^"
+			OPT_STR
+			"\0" "-1"
 			IF_DESKTOP(":?4")
 			IF_NOT_DESKTOP(":?2")
-			":l--s:s--l";
-	opt = getopt32(argv, opt_chars);
+			":l--s:s--l"
+	);
 	argv += optind;
 
 	filename1 = *argv;
diff --git a/editors/diff.c b/editors/diff.c
index d90ac8f..2f25457 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -984,8 +984,8 @@ int diff_main(int argc UNUSED_PARAM, char **argv)
 	INIT_G();
 
 	/* exactly 2 params; collect multiple -L <label>; -U N */
-	opt_complementary = "=2";
-	GETOPT32(argv, "abdiL:*NqrsS:tTU:+wupBE" LONGOPTS,
+	GETOPT32(argv, "^" "abdiL:*NqrsS:tTU:+wupBE" "\0" "=2"
+			LONGOPTS,
 			&L_arg, &s_start, &opt_U_context);
 	argv += optind;
 	while (L_arg)
diff --git a/editors/sed.c b/editors/sed.c
index 1a10988..f68f447 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -1507,13 +1507,15 @@ int sed_main(int argc UNUSED_PARAM, char **argv)
 	/* do normal option parsing */
 	opt_e = opt_f = NULL;
 	opt_i = NULL;
-	opt_complementary = "nn"; /* count -n */
 	/* -i must be first, to match OPT_in_place definition */
 	/* -E is a synonym of -r:
 	 * GNU sed 4.2.1 mentions it in neither --help
 	 * nor manpage, but does recognize it.
 	 */
-	opt = getopt32long(argv, "i::rEne:*f:*", sed_longopts,
+	opt = getopt32long(argv, "^"
+			"i::rEne:*f:*"
+			"\0" "nn"/*count -n*/,
+			sed_longopts,
 			&opt_i, &opt_e, &opt_f,
 			&G.be_quiet); /* counter for -n */
 	//argc -= optind;
diff --git a/findutils/grep.c b/findutils/grep.c
index 568ab12..7c5f73d 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -107,6 +107,7 @@
 //usage:#define fgrep_trivial_usage NOUSAGE_STR
 //usage:#define fgrep_full_usage ""
 
+/* -e,-f are lists; -m,-A,-B,-C have numeric param */
 #define OPTSTR_GREP \
 	"lnqvscFiHhe:*f:*Lorm:+wx" \
 	IF_FEATURE_GREP_CONTEXT("A:+B:+C:+") \
@@ -686,11 +687,9 @@ int grep_main(int argc UNUSED_PARAM, char **argv)
 
 	/* do normal option parsing */
 #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";
+	/* -H unsets -h; -C unsets -A,-B */
 	opts = getopt32(argv,
-		OPTSTR_GREP,
+		"^" OPTSTR_GREP "\0" "H-h:C-AB",
 		&pattern_head, &fopt, &max_matches,
 		&lines_after, &lines_before, &Copt);
 
@@ -716,9 +715,7 @@ int grep_main(int argc UNUSED_PARAM, char **argv)
 	}
 #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:";
-	getopt32(argv, OPTSTR_GREP,
+	getopt32(argv, "^" OPTSTR_GREP "\0" "H-h:c-n:q-n:l-n:", // why trailing ":"?
 		&pattern_head, &fopt, &max_matches);
 #endif
 	invert_search = ((option_mask32 & OPT_v) != 0); /* 0 | 1 */
diff --git a/include/libbb.h b/include/libbb.h
index 64d1f2f..2eb1fef 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -1185,9 +1185,6 @@ void make_all_argv_opts(char **argv) FAST_FUNC;
 char* single_argv(char **argv) FAST_FUNC;
 extern const char *const bb_argv_dash[]; /* { "-", NULL } */
 extern uint32_t option_mask32;
-//TODO: get rid of this global variable. How about a trick where optstring can be
-// "^optchars""\0""complementary" (the leading "^" is an indicator)?
-extern const char *opt_complementary;
 uint32_t getopt32(char **argv, const char *applet_opts, ...) FAST_FUNC;
 # define No_argument "\0"
 # define Required_argument "\001"
diff --git a/libbb/getopt32.c b/libbb/getopt32.c
index b2b4de8..f778c6e 100644
--- a/libbb/getopt32.c
+++ b/libbb/getopt32.c
@@ -96,9 +96,11 @@ getopt32(char **argv, const char *applet_opts, ...)
         env -i ls -d /
         Here we want env to process just the '-i', not the '-d'.
 
- "!"    Report bad option, missing required options,
+ "!"    Report bad options, missing required options,
         inconsistent options with all-ones return value (instead of abort).
 
+ "^"    options string is "^optchars""\0""opt_complementary".
+
 uint32_t
 getopt32long(char **argv, const char *applet_opts, const char *logopts...)
 
@@ -121,7 +123,7 @@ getopt32long(char **argv, const char *applet_opts, const char *logopts...)
         config process and not a required feature.  The current standard
         is to name the config option CONFIG_FEATURE_<applet>_LONG_OPTIONS.
 
-const char *opt_complementary
+opt_complementary - option modifiers.
 
  ":"    The colon (":") is used to separate groups of two or more chars
         and/or groups of chars and special characters (stating some
@@ -132,8 +134,7 @@ const char *opt_complementary
         Their flags will be turned on if the main option is found even
         if they are not specified on the command line.  For example:
 
-        opt_complementary = "abc";
-        flags = getopt32(argv, "abcd")
+        flags = getopt32(argv, "^abcd""\0""abc")
 
         If getopt() finds "-a" on the command line, then
         getopt32's return value will be as if "-a -b -c" were
@@ -146,8 +147,7 @@ const char *opt_complementary
         if w is given more than once, it is "unlimited"
 
         int w_counter = 0; // must be initialized!
-        opt_complementary = "ww";
-        getopt32(argv, "w", &w_counter);
+        getopt32(argv, "^w""\0""ww", &w_counter);
         if (w_counter)
                 width = (w_counter == 1) ? 132 : INT_MAX;
         else
@@ -162,8 +162,9 @@ const char *opt_complementary
 
         llist_t *my_b = NULL;
         int verbose_level = 0;
-        opt_complementary = "vv:b-c:c-b";
-        f = getopt32(argv, "vb:*c", &my_b, &verbose_level);
+        f = getopt32(argv, "^vb:*c"
+			"\0""vv:b-c:c-b"
+			, &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
@@ -199,7 +200,7 @@ Special characters:
         getopt32 finds -s, then -d is unset or if it finds -d
         then -s is unset.  (Note:  busybox implements the GNU
         "--max-depth" option as "-d".)  To obtain this behavior, you
-        set opt_complementary = "s-d:d-s".  Only one flag value is
+        set opt_complementary to "s-d:d-s".  Only one flag value is
         added to getopt32's return value depending on the
         position of the options on the command line.  If one of the
         two options requires an argument pointer (":" in applet_opts
@@ -207,8 +208,7 @@ Special characters:
 
         char *smax_print_depth;
 
-        opt_complementary = "s-d:d-s:x-x";
-        opt = getopt32(argv, "sd:x", &smax_print_depth);
+        opt = getopt32(argv, "^sd:x""\0""s-d:d-s:x-x", &smax_print_depth);
 
         if (opt & 2)
                 max_print_depth = atoi(smax_print_depth);
@@ -224,7 +224,7 @@ Special characters:
         The cut applet must have only one type of list specified, so
         -b, -c and -f are mutually exclusive and should raise an error
         if specified together.  In this case you must set
-        opt_complementary = "b--cf:c--bf:f--bc".  If two of the
+        opt_complementary to "b--cf:c--bf:f--bc".  If two of the
         mutually exclusive options are found, getopt32 will call
         bb_show_usage() and die.
 
@@ -236,8 +236,7 @@ Special characters:
         with xatoi_positive() - allowed range is 0..INT_MAX.
 
         int param;  // "unsigned param;" will also work
-        opt_complementary = "p+";
-        getopt32(argv, "p:", &param);
+        getopt32(argv, "^p:""\0""p+", &param);
 
  "o::"  A double colon after a char in opt_complementary means that the
         option can occur multiple times. Each occurrence will be saved as
@@ -252,8 +251,7 @@ Special characters:
         (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).)
 
-        opt_complementary = "e::";
-        getopt32(argv, "e:", &patterns);
+        getopt32(argv, "^e:""\0""e::", &patterns);
 
         $ grep -e user -e root /etc/passwd
         root:x:0:0:root:/root:/bin/bash
@@ -271,8 +269,7 @@ Special characters:
         For example from "id" applet:
 
         // Don't allow -n -r -rn -ug -rug -nug -rnug
-        opt_complementary = "r?ug:n?ug:u--g:g--u";
-        flags = getopt32(argv, "rnug");
+        flags = getopt32(argv, "^rnug""\0""r?ug:n?ug:u--g:g--u");
 
         This example allowed only:
         $ id; id -u; id -g; id -ru; id -nu; id -rg; id -ng; id -rnu; id -rng
@@ -283,8 +280,7 @@ Special characters:
         For example from "start-stop-daemon" applet:
 
         // Don't allow -KS -SK, but -S or -K is required
-        opt_complementary = "K:S:K--S:S--K";
-        flags = getopt32(argv, "KS...);
+        flags = getopt32(argv, "^KS...""\0""K:S:K--S:S--K");
 
 
         Don't forget to use ':'. For example, "?322-22-23X-x-a"
@@ -299,8 +295,6 @@ Special characters:
 
 const char *const bb_argv_dash[] = { "-", NULL };
 
-const char *opt_complementary;
-
 enum {
 	PARAM_STRING,
 	PARAM_LIST,
@@ -337,10 +331,12 @@ vgetopt32(char **argv, const char *applet_opts, const char *applet_long_options,
 	int argc;
 	unsigned flags = 0;
 	unsigned requires = 0;
+	unsigned len;
 	t_complementary complementary[33]; /* last stays zero-filled */
-	char first_char;
+	char dont_die_flag;
 	int c;
 	const unsigned char *s;
+	const char *opt_complementary;
 	t_complementary *on_off;
 #if ENABLE_LONG_OPTS
 	const struct option *l_o;
@@ -349,23 +345,29 @@ vgetopt32(char **argv, const char *applet_opts, const char *applet_long_options,
 	unsigned trigger;
 	int min_arg = 0;
 	int max_arg = -1;
-
-#define SHOW_USAGE_IF_ERROR     1
-
 	int spec_flgs = 0;
 
-	/* skip 0: some applets cheat: they do not actually HAVE argv[0] */
-	argc = 1 + string_array_len(argv + 1);
+#define SHOW_USAGE_IF_ERROR     1
 
 	on_off = complementary;
 	memset(on_off, 0, sizeof(complementary));
 
-	applet_opts = strcpy(alloca(strlen(applet_opts) + 1), applet_opts);
+	len = strlen(applet_opts);
 
 	/* skip bbox extension */
-	first_char = applet_opts[0];
-	if (first_char == '!')
+	opt_complementary = NULL;
+	if (applet_opts[0] == '^') {
 		applet_opts++;
+		/* point it past terminating NUL */
+		opt_complementary = applet_opts + len;
+	}
+
+	/* skip another bbox extension */
+	dont_die_flag = applet_opts[0];
+	if (dont_die_flag == '!')
+		applet_opts++;
+
+	applet_opts = strcpy(alloca(len + 1), applet_opts);
 
 	/* skip GNU extension */
 	s = (const unsigned char *)applet_opts;
@@ -435,7 +437,8 @@ vgetopt32(char **argv, const char *applet_opts, const char *applet_long_options,
 	}
 #endif /* ENABLE_LONG_OPTS */
 
-	for (s = (const unsigned char *)opt_complementary; s && *s; s++) {
+	s = (const unsigned char *)opt_complementary;
+	if (s) for (; *s; s++) {
 		t_complementary *pair;
 		unsigned *pair_switch;
 
@@ -513,8 +516,6 @@ vgetopt32(char **argv, const char *applet_opts, const char *applet_long_options,
 		s--;
 	}
 
-	/* Make it unnecessary to clear it by hand after each getopt32 call */
-	opt_complementary = NULL;
 	/* In case getopt32 was already called:
 	 * reset the libc getopt() function, which keeps internal state.
 	 * run_nofork_applet() does this, but we might end up here
@@ -522,6 +523,9 @@ vgetopt32(char **argv, const char *applet_opts, const char *applet_long_options,
 	 */
 	GETOPT_RESET();
 
+	/* skip 0: some applets cheat: they do not actually HAVE argv[0] */
+	argc = 1 + string_array_len(argv + 1);
+
 	/* Note: just "getopt() <= 0" will not work well for
 	 * "fake" short options, like this one:
 	 * wget $'-\203' "Test: test" http://kernel.org/
@@ -583,7 +587,7 @@ vgetopt32(char **argv, const char *applet_opts, const char *applet_long_options,
 	return flags;
 
  error:
-	if (first_char != '!')
+	if (dont_die_flag != '!')
 		bb_show_usage();
 	return (int32_t)-1;
 }
diff --git a/libbb/parse_config.c b/libbb/parse_config.c
index eaf69d9..8701b01 100644
--- a/libbb/parse_config.c
+++ b/libbb/parse_config.c
@@ -42,8 +42,9 @@ int parse_main(int argc UNUSED_PARAM, char **argv)
 	int mintokens = 0, ntokens = 128;
 	unsigned noout;
 
-	opt_complementary = "-1";
-	noout = 1 & getopt32(argv, "xn:+m:+d:f:+", &ntokens, &mintokens, &delims, &flags);
+	noout = 1 & getopt32(argv, "^" "xn:+m:+d:f:+" "\0" "-1",
+				&ntokens, &mintokens, &delims, &flags
+	);
 	//argc -= optind;
 	argv += optind;
 
diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c
index 15c92a7..6125983 100644
--- a/libbb/vfork_daemon_rexec.c
+++ b/libbb/vfork_daemon_rexec.c
@@ -98,7 +98,6 @@ int FAST_FUNC run_nofork_applet(int applet_no, char **argv)
 	 * (getopt32() does it itself, but getopt() doesn't (and can't))
 	 */
 	GETOPT_RESET();
-	/* opt_complementary = NULL; - cleared by each getopt32() call anyway */
 
 	argc = string_array_len(argv);
 
@@ -123,7 +122,6 @@ int FAST_FUNC run_nofork_applet(int applet_no, char **argv)
 	restore_nofork_data(&old);
 	/* Other globals can be simply reset to defaults */
 	GETOPT_RESET();
-	/* opt_complementary = NULL; - cleared by each getopt32() call anyway */
 
 	return rc & 0xff; /* don't confuse people with "exitcodes" >255 */
 }
@@ -138,7 +136,6 @@ void FAST_FUNC run_noexec_applet_and_exit(int a, const char *name, char **argv)
 	xfunc_error_retval = EXIT_FAILURE;
 	die_func = NULL;
 	GETOPT_RESET();
-	/* opt_complementary = NULL; - cleared by each getopt32() call anyway */
 
 //TODO: think pidof, pgrep, pkill!
 //set_task_comm() makes our pidof find NOEXECs (e.g. "yes >/dev/null"),
diff --git a/loginutils/addgroup.c b/loginutils/addgroup.c
index 5a2b043..adef232 100644
--- a/loginutils/addgroup.c
+++ b/loginutils/addgroup.c
@@ -152,11 +152,12 @@ int addgroup_main(int argc UNUSED_PARAM, char **argv)
 	}
 	/* Syntax:
 	 *  addgroup group
-	 *  addgroup -g num group
+	 *  addgroup --gid num group
 	 *  addgroup user group
 	 * Check for min, max and missing args */
-	opt_complementary = "-1:?2";
-	opts = getopt32long(argv, "g:S", addgroup_longopts, &gid);
+	opts = getopt32long(argv, "^" "g:S" "\0" "-1:?2", addgroup_longopts,
+				&gid
+	);
 	/* move past the commandline options */
 	argv += optind;
 	//argc -= optind;
diff --git a/loginutils/adduser.c b/loginutils/adduser.c
index 8b92df9..b2b5be5 100644
--- a/loginutils/adduser.c
+++ b/loginutils/adduser.c
@@ -201,12 +201,15 @@ int adduser_main(int argc UNUSED_PARAM, char **argv)
 	pw.pw_shell = (char *)get_shell_name();
 	pw.pw_dir = NULL;
 
-	/* at least one and at most two non-option args */
-	/* disable interactive passwd for system accounts */
-	opt_complementary = "-1:?2:SD";
-	opts = getopt32long(argv, "h:g:s:G:DSHu:k:", adduser_longopts,
+	opts = getopt32long(argv, "^"
+			"h:g:s:G:DSHu:k:"
+			/* at least one and at most two non-option args */
+			/* disable interactive passwd for system accounts */
+			"\0" "-1:?2:SD",
+			adduser_longopts,
 			&pw.pw_dir, &pw.pw_gecos, &pw.pw_shell,
-			&usegroup, &uid, &skel);
+			&usegroup, &uid, &skel
+	);
 	if (opts & OPT_UID)
 		pw.pw_uid = xatou_range(uid, 0, CONFIG_LAST_ID);
 
diff --git a/loginutils/chpasswd.c b/loginutils/chpasswd.c
index 3c9ed68..652e4f1 100644
--- a/loginutils/chpasswd.c
+++ b/loginutils/chpasswd.c
@@ -61,8 +61,10 @@ int chpasswd_main(int argc UNUSED_PARAM, char **argv)
 	if (getuid() != 0)
 		bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
 
-	opt_complementary = "m--ec:e--mc:c--em";
-	opt = getopt32long(argv, "emc:", chpasswd_longopts, &algo);
+	opt = getopt32long(argv, "^" "emc:" "\0" "m--ec:e--mc:c--em",
+			chpasswd_longopts,
+			&algo
+	);
 
 	while ((name = xmalloc_fgetline(stdin)) != NULL) {
 		char *free_me;
diff --git a/loginutils/cryptpw.c b/loginutils/cryptpw.c
index c10a0c8..76138a6 100644
--- a/loginutils/cryptpw.c
+++ b/loginutils/cryptpw.c
@@ -111,9 +111,10 @@ int cryptpw_main(int argc UNUSED_PARAM, char **argv)
 	opt_m = CONFIG_FEATURE_DEFAULT_PASSWD_ALGO;
 	opt_S = NULL;
 	/* at most two non-option arguments; -P NUM */
-	opt_complementary = "?2";
-	getopt32long(argv, "sP:+S:m:a:", mkpasswd_longopts,
-			&fd, &opt_S, &opt_m, &opt_m);
+	getopt32long(argv, "^" "sP:+S:m:a:" "\0" "?2",
+			mkpasswd_longopts,
+			&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 fd5116d..23e92bc 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -131,7 +131,7 @@ struct globals {
 //usage:     "\n"
 //usage:     "\nBAUD_RATE of 0 leaves it unchanged"
 
-static const char opt_string[] ALIGN1 = "I:LH:f:hil:mt:+wn";
+#define OPT_STR "I:LH:f:hil:mt:+wn"
 #define F_INITSTRING    (1 << 0)   /* -I */
 #define F_LOCAL         (1 << 1)   /* -L */
 #define F_FAKEHOST      (1 << 2)   /* -H */
@@ -179,8 +179,7 @@ static void parse_args(char **argv)
 	char *ts;
 	int flags;
 
-	opt_complementary = "-2"; /* at least 2 args; -t N */
-	flags = getopt32(argv, opt_string,
+	flags = getopt32(argv, "^" OPT_STR "\0" "-2"/* at least 2 args*/,
 		&G.initstring, &G.fakehost, &G.issue,
 		&G.login, &G.timeout
 	);
diff --git a/loginutils/vlock.c b/loginutils/vlock.c
index bf46d08..9e319fe 100644
--- a/loginutils/vlock.c
+++ b/loginutils/vlock.c
@@ -66,8 +66,7 @@ int vlock_main(int argc UNUSED_PARAM, char **argv)
 	struct passwd *pw;
 
 	pw = xgetpwuid(getuid());
-	opt_complementary = "=0"; /* no params! */
-	getopt32(argv, "a");
+	getopt32(argv, "^" "a" "\0" "=0"/* no args!*/);
 
 	/* Ignore some signals so that we don't get killed by them */
 	bb_signals(0
diff --git a/mailutils/popmaildir.c b/mailutils/popmaildir.c
index 1695a9b..5756eaa 100644
--- a/mailutils/popmaildir.c
+++ b/mailutils/popmaildir.c
@@ -125,9 +125,9 @@ int popmaildir_main(int argc UNUSED_PARAM, char **argv)
 	INIT_G();
 
 	// parse options
-	opt_complementary = "-1:dd";
-	opts = getopt32(argv,
-		"bdmVcasTkt:+" "R:+Z:L:+H:+" IF_FEATURE_POPMAILDIR_DELIVERY("M:F:"),
+	opts = getopt32(argv, "^"
+		"bdmVcasTkt:+" "R:+Z:L:+H:+" IF_FEATURE_POPMAILDIR_DELIVERY("M:F:")
+		"\0" "-1:dd",
 		&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 6a02548..321729e 100644
--- a/mailutils/reformime.c
+++ b/mailutils/reformime.c
@@ -280,9 +280,9 @@ int reformime_main(int argc UNUSED_PARAM, char **argv)
 
 	// parse options
 	// N.B. only -x and -X are supported so far
-	opt_complementary = "x--X:X--x";
-	opts = getopt32(argv,
-		"x:X" IF_FEATURE_REFORMIME_COMPAT("deis:r:c:m:*h:o:O:"),
+	opts = getopt32(argv, "^"
+		"x:X" IF_FEATURE_REFORMIME_COMPAT("deis:r:c:m:*h:o:O:")
+		"\0" "x--X:X--x",
 		&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 65895f0..f440e63 100644
--- a/mailutils/sendmail.c
+++ b/mailutils/sendmail.c
@@ -256,13 +256,17 @@ int sendmail_main(int argc UNUSED_PARAM, char **argv)
 	G.fp0 = xfdopen_for_read(3);
 
 	// parse options
-	// -v is a counter, -H and -S are mutually exclusive, -a is a list
-	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,
-			&timeout, &opt_connect, &opt_connect, &list, &verbose);
+	opts = getopt32(argv, "^"
+			"tf:o:iw:+H:S:a:*:v"
+			"\0"
+			// -v is a counter, -H and -S are mutually exclusive, -a is a list
+			"vv:H--S:S--H",
+			&opt_from, NULL,
+			&timeout, &opt_connect, &opt_connect, &list, &verbose
+	);
 	//argc -= optind;
 	argv += optind;
 
diff --git a/miscutils/adjtimex.c b/miscutils/adjtimex.c
index ce6f8cc..c1718e9 100644
--- a/miscutils/adjtimex.c
+++ b/miscutils/adjtimex.c
@@ -95,9 +95,10 @@ int adjtimex_main(int argc UNUSED_PARAM, char **argv)
 
 	memset(&txc, 0, sizeof(txc));
 
-	opt_complementary = "=0"; /* no valid non-option parameters */
-	opt = getopt32(argv, "qo:f:p:t:",
-			&opt_o, &opt_f, &opt_p, &opt_t);
+	opt = getopt32(argv, "^" "qo:f:p:t:"
+			"\0" "=0"/*no valid non-option args*/,
+			&opt_o, &opt_f, &opt_p, &opt_t
+	);
 	//if (opt & 0x1) // -q
 	if (opt & 0x2) { // -o
 		txc.offset = xatol(opt_o);
diff --git a/miscutils/crond.c b/miscutils/crond.c
index 48e4299..f6580a9 100644
--- a/miscutils/crond.c
+++ b/miscutils/crond.c
@@ -1021,13 +1021,17 @@ int crond_main(int argc UNUSED_PARAM, char **argv)
 
 	INIT_G();
 
-	/* "-b after -f is ignored", and so on for every pair a-b */
-	opt_complementary = "f-b:b-f:S-L:L-S" IF_FEATURE_CROND_D(":d-l")
+	opts = getopt32(argv, "^"
+			"l:L:fbSc:" IF_FEATURE_CROND_D("d:")
+			"\0"
+			/* "-b after -f is ignored", and so on for every pair a-b */
+			"f-b:b-f:S-L:L-S" IF_FEATURE_CROND_D(":d-l")
 			/* -l and -d have numeric param */
-			":l+" IF_FEATURE_CROND_D(":d+");
-	opts = getopt32(argv, "l:L:fbSc:" IF_FEATURE_CROND_D("d:"),
+			":l+" IF_FEATURE_CROND_D(":d+")
+			,
 			&G.log_level, &G.log_filename, &G.crontab_dir_name
-			IF_FEATURE_CROND_D(,&G.log_level));
+			IF_FEATURE_CROND_D(,&G.log_level)
+	);
 	/* both -d N and -l N set the same variable: G.log_level */
 
 	if (!(opts & OPT_f)) {
diff --git a/miscutils/crontab.c b/miscutils/crontab.c
index 804cb57..4787fa0 100644
--- a/miscutils/crontab.c
+++ b/miscutils/crontab.c
@@ -99,8 +99,9 @@ int crontab_main(int argc UNUSED_PARAM, char **argv)
 		OPT_ler = OPT_l + OPT_e + OPT_r,
 	};
 
-	opt_complementary = "?1:dr"; /* max one argument; -d implies -r */
-	opt_ler = getopt32(argv, "u:c:lerd", &user_name, &crontab_dir);
+	opt_ler = getopt32(argv, "^" "u:c:lerd" "\0" "?1:dr"/*max one arg; -d implies -r*/,
+				&user_name, &crontab_dir
+	);
 	argv += optind;
 
 	if (sanitize_env_if_suid()) { /* Clears dangerous stuff, sets PATH */
diff --git a/miscutils/flash_eraseall.c b/miscutils/flash_eraseall.c
index 3ddd9dd..a6ce41f 100644
--- a/miscutils/flash_eraseall.c
+++ b/miscutils/flash_eraseall.c
@@ -82,8 +82,7 @@ int flash_eraseall_main(int argc UNUSED_PARAM, char **argv)
 	unsigned int flags;
 	char *mtd_name;
 
-	opt_complementary = "=1";
-	flags = getopt32(argv, "jNq");
+	flags = getopt32(argv, "^" "jNq" "\0" "=1");
 
 	mtd_name = argv[optind];
 	fd = xopen(mtd_name, O_RDWR);
diff --git a/miscutils/flashcp.c b/miscutils/flashcp.c
index c10b96e..858cee1 100644
--- a/miscutils/flashcp.c
+++ b/miscutils/flashcp.c
@@ -69,8 +69,7 @@ int flashcp_main(int argc UNUSED_PARAM, char **argv)
 	RESERVE_CONFIG_UBUFFER(buf, BUFSIZE);
 	RESERVE_CONFIG_UBUFFER(buf2, BUFSIZE);
 
-	opt_complementary = "=2"; /* exactly 2 non-option args: file, dev */
-	/*opts =*/ getopt32(argv, "v");
+	/*opts =*/ getopt32(argv, "^" "v" "\0" "=2"/*exactly 2 non-option args: file,dev*/);
 	argv += optind;
 //	filename = *argv++;
 //	devicename = *argv;
diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c
index 8d04d22..30f606e 100644
--- a/miscutils/i2c_tools.c
+++ b/miscutils/i2c_tools.c
@@ -455,14 +455,12 @@ int i2cget_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int i2cget_main(int argc UNUSED_PARAM, char **argv)
 {
 	const unsigned opt_f = (1 << 0), opt_y = (1 << 1);
-	const char *const optstr = "fy";
 
 	int bus_num, bus_addr, data_addr = -1, status;
 	int mode = I2C_SMBUS_BYTE, pec = 0, fd;
 	unsigned opts;
 
-        opt_complementary = "-2:?4"; /* from 2 to 4 args */
-	opts = getopt32(argv, optstr);
+	opts = getopt32(argv, "^" "fy" "\0" "-2:?4"/*from 2 to 4 args*/);
 	argv += optind;
 
 	bus_num = i2c_bus_lookup(argv[0]);
@@ -544,7 +542,6 @@ int i2cset_main(int argc, char **argv)
 {
 	const unsigned opt_f = (1 << 0), opt_y = (1 << 1),
 			      opt_m = (1 << 2), opt_r = (1 << 3);
-	const char *const optstr = "fym:r";
 
 	int bus_num, bus_addr, data_addr, mode = I2C_SMBUS_BYTE, pec = 0;
 	int val, blen = 0, mask = 0, fd, status;
@@ -552,8 +549,7 @@ int i2cset_main(int argc, char **argv)
 	char *opt_m_arg = NULL;
 	unsigned opts;
 
-        opt_complementary = "-3"; /* from 3 to ? args */
-	opts = getopt32(argv, optstr, &opt_m_arg);
+	opts = getopt32(argv, "^" "fym:r" "\0" "-3"/*from 3 to ? args*/, &opt_m_arg);
 	argv += optind;
 	argc -= optind;
 
@@ -905,7 +901,6 @@ int i2cdump_main(int argc UNUSED_PARAM, char **argv)
 {
 	const unsigned opt_f = (1 << 0), opt_y = (1 << 1),
 			      opt_r = (1 << 2);
-	const char *const optstr = "fyr:";
 
 	int bus_num, bus_addr, mode = I2C_SMBUS_BYTE_DATA, even = 0, pec = 0;
 	unsigned first = 0x00, last = 0xff, opts;
@@ -913,8 +908,11 @@ int i2cdump_main(int argc UNUSED_PARAM, char **argv)
 	char *opt_r_str, *dash;
 	int fd, res;
 
-        opt_complementary = "-2:?3"; /* from 2 to 3 args */
-	opts = getopt32(argv, optstr, &opt_r_str);
+	opts = getopt32(argv, "^"
+		"fyr:"
+		"\0" "-2:?3" /* from 2 to 3 args */,
+		&opt_r_str
+	);
 	argv += optind;
 
 	bus_num = i2c_bus_lookup(argv[0]);
@@ -1208,15 +1206,16 @@ int i2cdetect_main(int argc UNUSED_PARAM, char **argv)
 	const unsigned opt_y = (1 << 0), opt_a = (1 << 1),
 			      opt_q = (1 << 2), opt_r = (1 << 3),
 			      opt_F = (1 << 4), opt_l = (1 << 5);
-	const char *const optstr = "yaqrFl";
 
 	int fd, bus_num, i, j, mode = I2CDETECT_MODE_AUTO, status, cmd;
 	unsigned first = 0x03, last = 0x77, opts;
 	unsigned long funcs;
 
-	opt_complementary = "q--r:r--q:" /* mutually exclusive */
-			"?3"; /* up to 3 args */
-	opts = getopt32(argv, optstr);
+	opts = getopt32(argv, "^"
+			"yaqrFl"
+			"\0"
+			"q--r:r--q:"/*mutually exclusive*/ "?3"/*up to 3 args*/
+	);
 	argv += optind;
 
 	if (opts & opt_l)
diff --git a/miscutils/makedevs.c b/miscutils/makedevs.c
index c13ad14..80975c6 100644
--- a/miscutils/makedevs.c
+++ b/miscutils/makedevs.c
@@ -183,8 +183,7 @@ int makedevs_main(int argc UNUSED_PARAM, char **argv)
 	char *line = (char *)"-";
 	int ret = EXIT_SUCCESS;
 
-	opt_complementary = "=1"; /* exactly one param */
-	getopt32(argv, "d:", &line);
+	getopt32(argv, "^" "d:" "\0" "=1", &line);
 	argv += optind;
 
 	xchdir(*argv); /* ensure root dir exists */
diff --git a/miscutils/man.c b/miscutils/man.c
index a16202f..ba6bb4c 100644
--- a/miscutils/man.c
+++ b/miscutils/man.c
@@ -253,8 +253,7 @@ int man_main(int argc UNUSED_PARAM, char **argv)
 
 	INIT_G();
 
-	opt_complementary = "-1"; /* at least one argument */
-	opt = getopt32(argv, "+aw");
+	opt = getopt32(argv, "^+" "aw" "\0" "-1"/*at least one arg*/);
 	argv += optind;
 
 	sec_list = xstrdup("0p:1:1p:2:3:3p:4:5:6:7:8:9");
diff --git a/miscutils/microcom.c b/miscutils/microcom.c
index f382ede..b87f327 100644
--- a/miscutils/microcom.c
+++ b/miscutils/microcom.c
@@ -74,8 +74,9 @@ int microcom_main(int argc UNUSED_PARAM, char **argv)
 	unsigned opts;
 
 	// fetch options
-	opt_complementary = "=1";
-	opts = getopt32(argv, "Xs:+d:+t:+", &speed, &delay, &timeout);
+	opts = getopt32(argv, "^" "Xs:+d:+t:+" "\0" "=1",
+				&speed, &delay, &timeout
+	);
 //	argc -= optind;
 	argv += optind;
 
diff --git a/miscutils/nandwrite.c b/miscutils/nandwrite.c
index 5986ab2..80a0058 100644
--- a/miscutils/nandwrite.c
+++ b/miscutils/nandwrite.c
@@ -123,13 +123,12 @@ int nandwrite_main(int argc UNUSED_PARAM, char **argv)
 	const char *opt_s = "0", *opt_f = "-", *opt_l, *opt_bb;
 
 	if (IS_NANDDUMP) {
-		opt_complementary = "=1";
-		opts = getopt32long(argv, "ons:f:l:",
+		opts = getopt32long(argv, "^" "ons:f:l:" "\0" "=1",
 				"bb\0" Required_argument "\xff", /* no short equivalent */
-				&opt_s, &opt_f, &opt_l, &opt_bb);
+				&opt_s, &opt_f, &opt_l, &opt_bb
+		);
 	} else { /* nandwrite */
-		opt_complementary = "-1:?2";
-		opts = getopt32(argv, "pns:", &opt_s);
+		opts = getopt32(argv, "^" "pns:" "\0" "-1:?2", &opt_s);
 	}
 	argv += optind;
 
diff --git a/miscutils/setserial.c b/miscutils/setserial.c
index 2000de7..f217c3b 100644
--- a/miscutils/setserial.c
+++ b/miscutils/setserial.c
@@ -742,8 +742,7 @@ int setserial_main(int argc UNUSED_PARAM, char **argv)
 {
 	int opts;
 
-	opt_complementary = "-1:b-aG:G-ab:a-bG";
-	opts = getopt32(argv, "bGavzgq");
+	opts = getopt32(argv, "^" "bGavzgq" "\0" "-1:b-aG:G-ab:a-bG");
 	argv += optind;
 
 	if (!argv[1]) /* one arg only? (nothing to change?) */
diff --git a/miscutils/time.c b/miscutils/time.c
index 0ecdac1..65dbcdc 100644
--- a/miscutils/time.c
+++ b/miscutils/time.c
@@ -430,9 +430,10 @@ int time_main(int argc UNUSED_PARAM, char **argv)
 		OPT_f = (1 << 4),
 	};
 
-	opt_complementary = "-1"; /* at least one arg */
 	/* "+": stop on first non-option */
-	opt = getopt32(argv, "+vpao:f:", &output_filename, &output_format);
+	opt = getopt32(argv, "^+" "vpao:f:" "\0" "-1"/*at least one arg*/,
+				&output_filename, &output_format
+	);
 	argv += optind;
 	if (opt & OPT_v)
 		output_format = long_format;
diff --git a/miscutils/ubi_tools.c b/miscutils/ubi_tools.c
index 123551e..d142d11 100644
--- a/miscutils/ubi_tools.c
+++ b/miscutils/ubi_tools.c
@@ -145,20 +145,17 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv)
 #define OPTION_a  (1 << 5)
 #define OPTION_t  (1 << 6)
 	if (do_mkvol) {
-		opt_complementary = "-1";
-		opts = getopt32(argv, "md:+n:+N:s:a:+t:O:+",
+		opts = getopt32(argv, "^" "md:+n:+N:s:a:+t:O:+" "\0" "-1",
 				&dev_num, &vol_id,
 				&vol_name, &size_bytes_str, &alignment, &type,
 				&vid_hdr_offset
 			);
 	} else
 	if (do_update) {
-		opt_complementary = "-1";
-		opts = getopt32(argv, "s:at", &size_bytes_str);
+		opts = getopt32(argv, "^" "s:at" "\0" "-1", &size_bytes_str);
 		opts *= OPTION_s;
 	} else {
-		opt_complementary = "-1";
-		opts = getopt32(argv, "m:+d:+n:+N:s:a:+t:",
+		opts = getopt32(argv, "^" "m:+d:+n:+N:s:a:+t:" "\0" "-1",
 				&mtd_num, &dev_num, &vol_id,
 				&vol_name, &size_bytes_str, &alignment, &type
 		);
diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c
index ec06bcb..392d056 100644
--- a/miscutils/watchdog.c
+++ b/miscutils/watchdog.c
@@ -101,8 +101,9 @@ int watchdog_main(int argc UNUSED_PARAM, char **argv)
 	char *st_arg;
 	char *ht_arg;
 
-	opt_complementary = "=1"; /* must have exactly 1 argument */
-	opts = getopt32(argv, "Ft:T:", &st_arg, &ht_arg);
+	opts = getopt32(argv, "^" "Ft:T:" "\0" "=1"/*must have exactly 1 arg*/,
+				&st_arg, &ht_arg
+	);
 
 	/* We need to daemonize *before* opening the watchdog as many drivers
 	 * will only allow one process at a time to do so.  Since daemonizing
diff --git a/modutils/modinfo.c b/modutils/modinfo.c
index 0f1d3ee..3f91622 100644
--- a/modutils/modinfo.c
+++ b/modutils/modinfo.c
@@ -148,8 +148,7 @@ int modinfo_main(int argc UNUSED_PARAM, char **argv)
 	unsigned i;
 
 	field = NULL;
-	opt_complementary = "-1"; /* minimum one param */
-	opts = getopt32(argv, "0F:nadlp", &field);
+	opts = getopt32(argv, "^" "0F:nadlp" "\0" "-1"/*minimum one arg*/, &field);
 	/* If no field selected, show all */
 	if (!(opts & (OPT_TAGS|OPT_F)))
 		option_mask32 |= OPT_TAGS;
diff --git a/modutils/modprobe-small.c b/modutils/modprobe-small.c
index cd4f554..a94b0b9 100644
--- a/modutils/modprobe-small.c
+++ b/modutils/modprobe-small.c
@@ -988,10 +988,9 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv)
 
 #if ENABLE_MODPROBE || ENABLE_INSMOD || ENABLE_RMMOD
 	/* modprobe, insmod, rmmod require at least one argument */
-	opt_complementary = "-1";
 	/* only -q (quiet) and -r (rmmod),
 	 * the rest are accepted and ignored (compat) */
-	getopt32(argv, "qrfsvwb");
+	getopt32(argv, "^" "qrfsvwb" "\0" "-1");
 	argv += optind;
 
 	if (is_modprobe) {
diff --git a/modutils/modprobe.c b/modutils/modprobe.c
index 2dac8a8..59f6d54 100644
--- a/modutils/modprobe.c
+++ b/modutils/modprobe.c
@@ -133,7 +133,7 @@
  */
 #define MODPROBE_OPTS  "alrDb"
 /* -a and -D _are_ in fact compatible */
-#define MODPROBE_COMPLEMENTARY ("q-v:v-q:l--arD:r--alD:a--lr:D--rl")
+#define MODPROBE_COMPLEMENTARY "q-v:v-q:l--arD:r--alD:a--lr:D--rl"
 //#define MODPROBE_OPTS  "acd:lnrt:C:b"
 //#define MODPROBE_COMPLEMENTARY "q-v:v-q:l--acr:a--lr:r--al"
 enum {
@@ -566,8 +566,10 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv)
 
 	INIT_G();
 
-	opt_complementary = MODPROBE_COMPLEMENTARY;
-	opt = getopt32long(argv, INSMOD_OPTS MODPROBE_OPTS, modprobe_longopts INSMOD_ARGS);
+	opt = getopt32long(argv, "^" INSMOD_OPTS MODPROBE_OPTS "\0" MODPROBE_COMPLEMENTARY,
+			modprobe_longopts
+			INSMOD_ARGS
+	);
 	argv += optind;
 
 	/* Goto modules location */
diff --git a/networking/arping.c b/networking/arping.c
index 3fd54a2..f9967d8 100644
--- a/networking/arping.c
+++ b/networking/arping.c
@@ -306,9 +306,9 @@ int arping_main(int argc UNUSED_PARAM, char **argv)
 		/* Dad also sets quit_on_reply.
 		 * Advert also sets unsolicited.
 		 */
-		opt_complementary = "=1:Df:AU";
-		opt = getopt32(argv, "DUAqfbc:+w:I:s:",
-				&count, &str_timeout, &device, &source);
+		opt = getopt32(argv, "^" "DUAqfbc:+w:I:s:" "\0" "=1:Df:AU",
+				&count, &str_timeout, &device, &source
+		);
 		if (opt & 0x80) /* -w: timeout */
 			timeout_us = xatou_range(str_timeout, 0, INT_MAX/2000000) * 1000000 + 500000;
 		//if (opt & 0x200) /* -s: source */
diff --git a/networking/ether-wake.c b/networking/ether-wake.c
index 52522e7..6677f07 100644
--- a/networking/ether-wake.c
+++ b/networking/ether-wake.c
@@ -212,8 +212,7 @@ int ether_wake_main(int argc UNUSED_PARAM, char **argv)
 	struct whereto_t whereto;  /* who to wake up */
 
 	/* handle misc user options */
-	opt_complementary = "=1";
-	flags = getopt32(argv, "bi:p:", &ifname, &pass);
+	flags = getopt32(argv, "^" "bi:p:" "\0" "=1", &ifname, &pass);
 	if (flags & 4) /* -p */
 		wol_passwd_sz = get_wol_pw(pass, wol_passwd);
 	flags &= 1; /* we further interested only in -b [bcast] flag */
diff --git a/networking/ftpd.c b/networking/ftpd.c
index c562c28..8af5aca 100644
--- a/networking/ftpd.c
+++ b/networking/ftpd.c
@@ -1174,17 +1174,20 @@ int ftpd_main(int argc UNUSED_PARAM, char **argv)
 	abs_timeout = 1 * 60 * 60;
 	verbose_S = 0;
 	G.timeout = 2 * 60;
-	opt_complementary = "vv:SS";
 #if BB_MMU
-	opts = getopt32(argv,    "vS"
-		IF_FEATURE_FTPD_WRITE("w") "t:+T:+" IF_FEATURE_FTPD_AUTHENTICATION("a:"),
+	opts = getopt32(argv, "^"    "vS"
+		IF_FEATURE_FTPD_WRITE("w") "t:+T:+" IF_FEATURE_FTPD_AUTHENTICATION("a:")
+		"\0" "vv:SS",
 		&G.timeout, &abs_timeout, IF_FEATURE_FTPD_AUTHENTICATION(&anon_opt,)
-		&G.verbose, &verbose_S);
+		&G.verbose, &verbose_S
+	);
 #else
-	opts = getopt32(argv, "l1AvS"
-		IF_FEATURE_FTPD_WRITE("w") "t:+T:+" IF_FEATURE_FTPD_AUTHENTICATION("a:"),
+	opts = getopt32(argv, "^" "l1AvS"
+		IF_FEATURE_FTPD_WRITE("w") "t:+T:+" IF_FEATURE_FTPD_AUTHENTICATION("a:")
+		"\0" "vv:SS",
 		&G.timeout, &abs_timeout, IF_FEATURE_FTPD_AUTHENTICATION(&anon_opt,)
-		&G.verbose, &verbose_S);
+		&G.verbose, &verbose_S
+	);
 	if (opts & (OPT_l|OPT_1)) {
 		/* Our secret backdoor to ls */
 		if (fchdir(3) != 0)
diff --git a/networking/ftpgetput.c b/networking/ftpgetput.c
index 1fc2036..2cce07a 100644
--- a/networking/ftpgetput.c
+++ b/networking/ftpgetput.c
@@ -361,11 +361,12 @@ int ftpgetput_main(int argc UNUSED_PARAM, char **argv)
 	/*
 	 * Decipher the command line
 	 */
-	opt_complementary = "-2:vv:cc"; /* must have 2 to 3 params; -v and -c count */
+	/* must have 2 to 3 params; -v and -c count */
+#define OPTSTRING "^cvu:p:P:" "\0" "-2:?3:vv:cc"
 #if ENABLE_FEATURE_FTPGETPUT_LONG_OPTIONS
-	getopt32long(argv, "cvu:p:P:", ftpgetput_longopts,
+	getopt32long(argv, OPTSTRING, ftpgetput_longopts,
 #else
-	getopt32(argv, "cvu:p:P:",
+	getopt32(argv, OPTSTRING,
 #endif
 			&user, &password, &port, &verbose_flag, &do_continue
 	);
diff --git a/networking/httpd.c b/networking/httpd.c
index 0791457..9369de8 100644
--- a/networking/httpd.c
+++ b/networking/httpd.c
@@ -2636,17 +2636,19 @@ int httpd_main(int argc UNUSED_PARAM, char **argv)
 #endif
 
 	home_httpd = xrealloc_getcwd_or_warn(NULL);
-	/* -v counts, -i implies -f */
-	opt_complementary = "vv:if";
 	/* We do not "absolutize" path given by -h (home) opt.
 	 * If user gives relative path in -h,
 	 * $SCRIPT_FILENAME will not be set. */
-	opt = getopt32(argv, "c:d:h:"
+	opt = getopt32(argv, "^"
+			"c:d:h:"
 			IF_FEATURE_HTTPD_ENCODE_URL_STR("e:")
 			IF_FEATURE_HTTPD_BASIC_AUTH("r:")
 			IF_FEATURE_HTTPD_AUTH_MD5("m:")
 			IF_FEATURE_HTTPD_SETUID("u:")
-			"p:ifv",
+			"p:ifv"
+			"\0"
+			/* -v counts, -i implies -f */
+			"vv:if",
 			&opt_c_configFile, &url_for_decode, &home_httpd
 			IF_FEATURE_HTTPD_ENCODE_URL_STR(, &url_for_encode)
 			IF_FEATURE_HTTPD_BASIC_AUTH(, &g_realm)
diff --git a/networking/ipcalc.c b/networking/ipcalc.c
index 1d5db96..cdae8ee 100644
--- a/networking/ipcalc.c
+++ b/networking/ipcalc.c
@@ -130,8 +130,11 @@ int ipcalc_main(int argc UNUSED_PARAM, char **argv)
 #define ipaddr    (s_ipaddr.s_addr)
 	char *ipstr;
 
-	opt_complementary = "-1:?2"; /* minimum 1 arg, maximum 2 args */
-	opt = GETOPT32(argv, "mbn" IF_FEATURE_IPCALC_FANCY("phs") LONGOPTS);
+	opt = GETOPT32(argv, "^"
+			"mbn" IF_FEATURE_IPCALC_FANCY("phs")
+			"\0" "-1:?2"/*min 1, max 2 args*/
+			LONGOPTS
+	);
 	argv += optind;
 	if (opt & SILENT)
 		logmode = LOGMODE_NONE; /* suppress error_msg() output */
diff --git a/networking/nc_bloaty.c b/networking/nc_bloaty.c
index 3db7849..6409864 100644
--- a/networking/nc_bloaty.c
+++ b/networking/nc_bloaty.c
@@ -787,11 +787,15 @@ int nc_main(int argc UNUSED_PARAM, char **argv)
  e_found:
 
 	// -g -G -t -r deleted, unimplemented -a deleted too
-	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));
+	getopt32(argv, "^"
+		"np:s:uvw:+"/* -w N */ IF_NC_SERVER("lk")
+		IF_NC_EXTRA("i:o:z")
+			"\0"
+			"?2:vv:ll", /* max 2 params; -v and -l are counters */
+		&str_p, &str_s, &o_wait
+		IF_NC_EXTRA(, &str_i, &str_o)
+			, &o_verbose IF_NC_SERVER(, &cnt_l)
+	);
 	argv += optind;
 #if ENABLE_NC_EXTRA
 	if (option_mask32 & OPT_i) /* line-interval time */
diff --git a/networking/ntpd.c b/networking/ntpd.c
index f21f951..25fa443 100644
--- a/networking/ntpd.c
+++ b/networking/ntpd.c
@@ -2230,15 +2230,16 @@ static NOINLINE void ntp_init(char **argv)
 
 	/* Parse options */
 	peers = NULL;
-	opt_complementary = "dd:wn"  /* -d: counter; -p: list; -w implies -n */
-		IF_FEATURE_NTPD_SERVER(":Il"); /* -I implies -l */
-	opts = getopt32(argv,
+	opts = getopt32(argv, "^"
 			"nqNx" /* compat */
 			"wp:*S:"IF_FEATURE_NTPD_SERVER("l") /* NOT compat */
 			IF_FEATURE_NTPD_SERVER("I:") /* compat */
 			"d" /* compat */
 			"46aAbgL", /* compat, ignored */
-			&peers, &G.script_name,
+				"\0"
+				"dd:wn"  /* -d: counter; -p: list; -w implies -n */
+				IF_FEATURE_NTPD_SERVER(":Il") /* -I implies -l */
+			, &peers, &G.script_name,
 #if ENABLE_FEATURE_NTPD_SERVER
 			&G.if_name,
 #endif
diff --git a/networking/ping.c b/networking/ping.c
index 2e8bef0..7460e44 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -340,7 +340,8 @@ static int common_ping_main(sa_family_t af, char **argv)
 
 /* Full(er) version */
 
-#define OPT_STRING ("qvc:+s:t:+w:+W:+I:np:4" IF_PING6("6"))
+/* -c NUM, -t NUM, -w NUM, -W NUM */
+#define OPT_STRING "qvc:+s:t:+w:+W:+I:np:4"IF_PING6("6")
 enum {
 	OPT_QUIET = 1 << 0,
 	OPT_VERBOSE = 1 << 1,
@@ -863,9 +864,12 @@ static int common_ping_main(int opt, char **argv)
 
 	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";
-	opt |= getopt32(argv, OPT_STRING, &pingcount, &str_s, &opt_ttl, &deadline, &timeout, &str_I, &str_p);
+	opt |= getopt32(argv, "^"
+			OPT_STRING
+			/* exactly one arg; -v and -q don't mix */
+			"\0" "=1:q--v:v--q",
+			&pingcount, &str_s, &opt_ttl, &deadline, &timeout, &str_I, &str_p
+	);
 	if (opt & OPT_s)
 		datalen = xatou16(str_s); // -s
 	if (opt & OPT_I) { // -I
diff --git a/networking/pscan.c b/networking/pscan.c
index 17985d2..95b0a93 100644
--- a/networking/pscan.c
+++ b/networking/pscan.c
@@ -75,8 +75,11 @@ int pscan_main(int argc UNUSED_PARAM, char **argv)
 	unsigned rtt_4;
 	unsigned start, diff;
 
-	opt_complementary = "=1"; /* exactly one non-option */
-	opt = getopt32(argv, "cbp:P:t:T:", &opt_min_port, &opt_max_port, &opt_timeout, &opt_min_rtt);
+	opt = getopt32(argv, "^"
+		"cbp:P:t:T:"
+		"\0" "=1", /* exactly one non-option */
+		&opt_min_port, &opt_max_port, &opt_timeout, &opt_min_rtt
+	);
 	argv += optind;
 	max_port = xatou_range(opt_max_port, 1, 65535);
 	port = xatou_range(opt_min_port, 1, max_port);
diff --git a/networking/slattach.c b/networking/slattach.c
index d4659a3..e0a3889 100644
--- a/networking/slattach.c
+++ b/networking/slattach.c
@@ -128,8 +128,9 @@ int slattach_main(int argc UNUSED_PARAM, char **argv)
 	INIT_G();
 
 	/* Parse command line options */
-	opt_complementary = "=1";
-	opt = getopt32(argv, "p:s:c:ehmLF", &proto, &baud_str, &extcmd);
+	opt = getopt32(argv, "^" "p:s:c:ehmLF" "\0" "=1",
+				&proto, &baud_str, &extcmd
+	);
 	/*argc -= optind;*/
 	argv += optind;
 
diff --git a/networking/tcpudp.c b/networking/tcpudp.c
index 2703251..d4c69e0 100644
--- a/networking/tcpudp.c
+++ b/networking/tcpudp.c
@@ -269,10 +269,11 @@ int tcpudpsvd_main(int argc UNUSED_PARAM, char **argv)
 
 	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";
 #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:" /* -c NUM, -b NUM */
+		/* 3+ args, -i at most once, -p implies -h, -v is a counter */
+		"\0" "-3:i--i:ph:vv",
 		&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 16c572e..a6bafa2 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -659,13 +659,15 @@ int telnetd_main(int argc UNUSED_PARAM, char **argv)
 #endif
 	INIT_G();
 
-	/* -w NUM, and implies -F. -w and -i don't mix */
-	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"
+	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:+") /* -w NUM */
+			"\0"
+			/* -w implies -F. -w and -i don't mix */
+			IF_FEATURE_TELNETD_INETD_WAIT("wF:i--w:w--i"),
 			&G.issuefile, &G.loginpath
 			IF_FEATURE_TELNETD_STANDALONE(, &opt_portnbr, &opt_bindaddr)
 			IF_FEATURE_TELNETD_INETD_WAIT(, &sec_linger)
diff --git a/networking/tftp.c b/networking/tftp.c
index 5baa804..73a9829 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -761,15 +761,16 @@ int tftp_main(int argc UNUSED_PARAM, char **argv)
 
 	INIT_G();
 
-	/* -p or -g is mandatory, and they are mutually exclusive */
-	opt_complementary = "" IF_FEATURE_TFTP_GET("g:") IF_FEATURE_TFTP_PUT("p:")
-			IF_GETPUT("g--p:p--g:");
-
-	IF_GETPUT(opt =) getopt32(argv,
+	IF_GETPUT(opt =) getopt32(argv, "^"
 			IF_FEATURE_TFTP_GET("g") IF_FEATURE_TFTP_PUT("p")
-				"l:r:" IF_FEATURE_TFTP_BLOCKSIZE("b:"),
+			"l:r:" IF_FEATURE_TFTP_BLOCKSIZE("b:")
+			"\0"
+			/* -p or -g is mandatory, and they are mutually exclusive */
+			IF_FEATURE_TFTP_GET("g:") IF_FEATURE_TFTP_PUT("p:")
+			IF_GETPUT("g--p:p--g:"),
 			&local_file, &remote_file
-			IF_FEATURE_TFTP_BLOCKSIZE(, &blksize_str));
+			IF_FEATURE_TFTP_BLOCKSIZE(, &blksize_str)
+	);
 	argv += optind;
 
 # if ENABLE_FEATURE_TFTP_BLOCKSIZE
diff --git a/networking/traceroute.c b/networking/traceroute.c
index d9c62f7..8b62474 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -833,9 +833,9 @@ common_traceroute_main(int op, char **argv)
 
 	INIT_G();
 
-	/* minimum 1 arg */
-	opt_complementary = "-1:x-x";
-	op |= getopt32(argv, OPT_STRING
+	op |= getopt32(argv, "^"
+		OPT_STRING
+		"\0" "-1:x-x" /* minimum 1 arg */
 		, &tos_str, &device, &max_ttl_str, &port_str, &nprobes_str
 		, &source, &waittime_str, &pausemsecs_str, &first_ttl_str
 	);
diff --git a/networking/tunctl.c b/networking/tunctl.c
index 4c32200..f2dc645 100644
--- a/networking/tunctl.c
+++ b/networking/tunctl.c
@@ -83,10 +83,13 @@ int tunctl_main(int argc UNUSED_PARAM, char **argv)
 #endif
 	};
 
-	opt_complementary = "=0:t--d:d--t"; // no arguments; t ^ d
-	opts = getopt32(argv, "f:t:d:" IF_FEATURE_TUNCTL_UG("u:g:b"),
+	opts = getopt32(argv, "^"
+			"f:t:d:" IF_FEATURE_TUNCTL_UG("u:g:b")
+			"\0"
+			"=0:t--d:d--t", // no arguments; t ^ d
 			&opt_device, &opt_name, &opt_name
-			IF_FEATURE_TUNCTL_UG(, &opt_user, &opt_group));
+			IF_FEATURE_TUNCTL_UG(, &opt_user, &opt_group)
+	);
 
 	// select device
 	memset(&ifr, 0, sizeof(ifr));
@@ -153,9 +156,12 @@ int tunctl_main(int argc UNUSED_PARAM, char **argv)
 		OPT_d = 1 << 2, // delete named interface
 	};
 
-	opt_complementary = "=0:t--d:d--t"; // no arguments; t ^ d
-	opts = getopt32(argv, "f:t:d:u:g:b", // u, g, b accepted and ignored
-			&opt_device, &opt_name, &opt_name, NULL, NULL);
+	opts = getopt32(argv, "^"
+			"f:t:d:u:g:b" // u, g, b accepted and ignored
+			"\0"
+			"=0:t--d:d--t", // no arguments; t ^ d
+			&opt_device, &opt_name, &opt_name, NULL, NULL
+	);
 
 	// set interface name
 	memset(&ifr, 0, sizeof(ifr));
diff --git a/networking/udhcp/d6_dhcpc.c b/networking/udhcp/d6_dhcpc.c
index 84969aa..849ca13 100644
--- a/networking/udhcp/d6_dhcpc.c
+++ b/networking/udhcp/d6_dhcpc.c
@@ -1101,13 +1101,14 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
 	client_config.script = CONFIG_UDHCPC_DEFAULT_SCRIPT;
 
 	/* Parse command line */
-	/* O,x: list; -T,-t,-A take numeric param */
-	IF_UDHCP_VERBOSE(opt_complementary = "vv";)
-	opt = getopt32long(argv, "i:np:qRr:s:T:+t:+SA:+O:*ox:*f"
+	opt = getopt32long(argv, "^"
+		/* O,x: list; -T,-t,-A take numeric param */
+		"i:np:qRr:s:T:+t:+SA:+O:*ox:*f"
 		USE_FOR_MMU("b")
 		///IF_FEATURE_UDHCPC_ARPING("a")
 		IF_FEATURE_UDHCP_PORT("P:")
 		"v"
+		"\0" IF_UDHCP_VERBOSE("vv") /* -v is a counter */
 		, udhcpc6_longopts
 		, &client_config.interface, &client_config.pidfile, &str_r /* i,p */
 		, &client_config.script /* s */
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 5f87f85..55e0400 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -1295,16 +1295,18 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
 	str_V = "udhcp "BB_VER;
 
 	/* Parse command line */
-	/* O,x: list; -T,-t,-A take numeric param */
-	IF_UDHCP_VERBOSE(opt_complementary = "vv";)
-	opt = getopt32long(argv, "CV:H:h:F:i:np:qRr:s:T:+t:+SA:+O:*ox:*fB"
+	opt = getopt32long(argv, "^"
+		/* O,x: list; -T,-t,-A take numeric param */
+		"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:")
 		"v"
+		"\0" IF_UDHCP_VERBOSE("vv") /* -v is a counter */
 		, udhcpc_longopts
 		, &str_V, &str_h, &str_h, &str_F
-		, &client_config.interface, &client_config.pidfile, &str_r /* i,p */
+		, &client_config.interface, &client_config.pidfile /* i,p */
+		, &str_r /* r */
 		, &client_config.script /* s */
 		, &discover_timeout, &discover_retries, &tryagain_timeout /* T,t,A */
 		, &list_O
diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index 3a5fc2d..05ddc86 100644
--- a/networking/udhcp/dhcpd.c
+++ b/networking/udhcp/dhcpd.c
@@ -814,11 +814,12 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
 	IF_FEATURE_UDHCP_PORT(SERVER_PORT = 67;)
 	IF_FEATURE_UDHCP_PORT(CLIENT_PORT = 68;)
 
+	opt = getopt32(argv, "^"
+		"fSI:va:"IF_FEATURE_UDHCP_PORT("P:")
+		"\0"
 #if defined CONFIG_UDHCP_DEBUG && CONFIG_UDHCP_DEBUG >= 1
-	opt_complementary = "vv";
+		"vv"
 #endif
-	opt = getopt32(argv, "fSI:va:"
-		IF_FEATURE_UDHCP_PORT("P:")
 		, &str_I
 		, &str_a
 		IF_FEATURE_UDHCP_PORT(, &str_P)
diff --git a/networking/udhcp/dumpleases.c b/networking/udhcp/dumpleases.c
index fb1860f..70d2d14 100644
--- a/networking/udhcp/dumpleases.c
+++ b/networking/udhcp/dumpleases.c
@@ -54,8 +54,12 @@ int dumpleases_main(int argc UNUSED_PARAM, char **argv)
 #endif
 	init_unicode();
 
-	opt_complementary = "=0:a--r:r--a";
-	opt = getopt32long(argv, "arf:d", dumpleases_longopts, &file);
+	opt = getopt32long(argv, "^"
+			"arf:d"
+			"\0" "=0:a--r:r--a",
+			dumpleases_longopts,
+			&file
+	);
 
 	fd = xopen(file, O_RDONLY);
 
diff --git a/networking/wget.c b/networking/wget.c
index b661f72..e1b40d3 100644
--- a/networking/wget.c
+++ b/networking/wget.c
@@ -1387,9 +1387,8 @@ IF_DESKTOP(	"no-parent\0"        No_argument       "\xf0")
 
 #if ENABLE_FEATURE_WGET_LONG_OPTIONS
 #endif
-	opt_complementary = "-1" /* at least one URL */
-		IF_FEATURE_WGET_LONG_OPTIONS(":\xff::"); /* --header is a list */
-	GETOPT32(argv, "cqSO:P:Y:U:T:+"
+	GETOPT32(argv, "^"
+		"cqSO:P:Y:U:T:+"
 		/*ignored:*/ "t:"
 		/*ignored:*/ "n::"
 		/* wget has exactly four -n<letter> opts, all of which we can ignore:
@@ -1400,6 +1399,9 @@ IF_DESKTOP(	"no-parent\0"        No_argument       "\xf0")
 		 * "n::" above says that we accept -n[ARG].
 		 * Specifying "n:" would be a bug: "-n ARG" would eat ARG!
 		 */
+		"\0"
+		"-1" /* at least one URL */
+		IF_FEATURE_WGET_LONG_OPTIONS(":\xff::") /* --header is a list */
 		LONGOPTS
 		, &G.fname_out, &G.dir_prefix,
 		&G.proxy_flag, &G.user_agent,
diff --git a/networking/whois.c b/networking/whois.c
index 0cb7e54..fd1cdf4 100644
--- a/networking/whois.c
+++ b/networking/whois.c
@@ -167,8 +167,7 @@ int whois_main(int argc UNUSED_PARAM, char **argv)
 	int port = 43;
 	const char *host = "whois.iana.org";
 
-	opt_complementary = "-1";
-	getopt32(argv, "ih:p:+", &host, &port);
+	getopt32(argv, "^" "ih:p:+" "\0" "-1", &host, &port);
 	argv += optind;
 
 	do {
diff --git a/networking/zcip.c b/networking/zcip.c
index 94174a1..5544028 100644
--- a/networking/zcip.c
+++ b/networking/zcip.c
@@ -253,8 +253,9 @@ int zcip_main(int argc UNUSED_PARAM, char **argv)
 #define QUIT       (opts & 2)
 	// Parse commandline: prog [options] ifname script
 	// exactly 2 args; -v accumulates and implies -f
-	opt_complementary = "=2:vv:vf";
-	opts = getopt32(argv, "fqr:l:v", &r_opt, &l_opt, &verbose);
+	opts = getopt32(argv, "^" "fqr:l:v" "\0" "=2:vv:vf",
+				&r_opt, &l_opt, &verbose
+	);
 #if !BB_MMU
 	// on NOMMU reexec early (or else we will rerun things twice)
 	if (!FOREGROUND)
diff --git a/procps/fuser.c b/procps/fuser.c
index 2585a42..418f57b 100644
--- a/procps/fuser.c
+++ b/procps/fuser.c
@@ -299,8 +299,7 @@ int fuser_main(int argc UNUSED_PARAM, char **argv)
 		break;
 	}
 
-	opt_complementary = "-1"; /* at least one param */
-	getopt32(argv, OPTION_STRING);
+	getopt32(argv, "^" OPTION_STRING "\0" "-1"/*at least one arg*/);
 	argv += optind;
 
 	pp = argv;
diff --git a/procps/iostat.c b/procps/iostat.c
index 608d413..fbf6855 100644
--- a/procps/iostat.c
+++ b/procps/iostat.c
@@ -418,8 +418,7 @@ int iostat_main(int argc UNUSED_PARAM, char **argv)
 
 	/* Parse and process arguments */
 	/* -k and -m are mutually exclusive */
-	opt_complementary = "k--m:m--k";
-	opt = getopt32(argv, "cdtzkm");
+	opt = getopt32(argv, "^" "cdtzkm" "\0" "k--m:m--k");
 	if (!(opt & (OPT_c + OPT_d)))
 		/* Default is -cd */
 		opt |= OPT_c + OPT_d;
diff --git a/procps/pmap.c b/procps/pmap.c
index 3dc7339..5c2d1ad 100644
--- a/procps/pmap.c
+++ b/procps/pmap.c
@@ -96,8 +96,7 @@ int pmap_main(int argc UNUSED_PARAM, char **argv)
 	unsigned opts;
 	int ret;
 
-	opt_complementary = "-1"; /* min one arg */
-	opts = getopt32(argv, "xq");
+	opts = getopt32(argv, "^" "xq" "\0" "-1"); /* min one arg */
 	argv += optind;
 
 	ret = 0;
diff --git a/procps/ps.c b/procps/ps.c
index afd9813..e004d25 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -718,9 +718,11 @@ int ps_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 	/* -w is a bit complicated */
 	int w_count = 0;
 	make_all_argv_opts(argv);
-	opt_complementary = "ww";
-	opts = getopt32(argv, IF_SELINUX("Z")IF_FEATURE_SHOW_THREADS("T")IF_FEATURE_PS_LONG("l")
-					"w", &w_count);
+	opts = getopt32(argv, "^"
+		IF_SELINUX("Z")IF_FEATURE_SHOW_THREADS("T")IF_FEATURE_PS_LONG("l")"w"
+		"\0" "ww",
+		&w_count
+	);
 	/* if w is given once, GNU ps sets the width to 132,
 	 * if w is given more than once, it is "unlimited"
 	 */
diff --git a/procps/pstree.c b/procps/pstree.c
index 8249079..4fda1c2 100644
--- a/procps/pstree.c
+++ b/procps/pstree.c
@@ -386,8 +386,7 @@ int pstree_main(int argc UNUSED_PARAM, char **argv)
 
 	G.output_width = get_terminal_width(0);
 
-	opt_complementary = "?1";
-	getopt32(argv, "p");
+	getopt32(argv, "^" "p" "\0" "?1");
 	argv += optind;
 
 	if (argv[0]) {
diff --git a/procps/pwdx.c b/procps/pwdx.c
index 84802bb..c72cf80 100644
--- a/procps/pwdx.c
+++ b/procps/pwdx.c
@@ -28,8 +28,7 @@
 int pwdx_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int pwdx_main(int argc UNUSED_PARAM, char **argv)
 {
-	opt_complementary = "-1";
-	getopt32(argv, "");
+	getopt32(argv, "^" "" "\0" "-1");
 	argv += optind;
 
 	do {
diff --git a/procps/watch.c b/procps/watch.c
index 2bb7cca..6fc9f7d 100644
--- a/procps/watch.c
+++ b/procps/watch.c
@@ -62,9 +62,9 @@ int watch_main(int argc UNUSED_PARAM, char **argv)
 	xopen("/dev/null", O_RDONLY);
 #endif
 
-	opt_complementary = "-1"; // at least one param; -n NUM
-	// "+": stop at first non-option (procps 3.x only)
-	opt = getopt32(argv, "+dtn:+", &period);
+	// "+": stop at first non-option (procps 3.x only); -n NUM
+	// at least one param
+	opt = getopt32(argv, "^+" "dtn:+" "\0" "-1", &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 c061a91..3ecb85c 100644
--- a/runit/chpst.c
+++ b/runit/chpst.c
@@ -301,9 +301,10 @@ int chpst_main(int argc UNUSED_PARAM, char **argv)
 		// 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";
-		opt = getopt32(argv, "+a:+c:+d:+f:+l:+m:+o:+p:+r:+s:+t:+u:U:e:"
-			IF_CHPST("/:n:vP012"),
+		opt = getopt32(argv, "^+"
+			"a:+c:+d:+f:+l:+m:+o:+p:+r:+s:+t:+u:U:e:"
+			IF_CHPST("/:n:vP012")
+			"\0" "-1",
 			&limita, &limitc, &limitd, &limitf, &limitl,
 			&limitm, &limito, &limitp, &limitr, &limits, &limitt,
 			&set_user, &set_user, &env_dir
diff --git a/runit/runsvdir.c b/runit/runsvdir.c
index abba2e8..11ab40a 100644
--- a/runit/runsvdir.c
+++ b/runit/runsvdir.c
@@ -248,10 +248,9 @@ int runsvdir_main(int argc UNUSED_PARAM, char **argv)
 
 	INIT_G();
 
-	opt_complementary = "-1";
 	opt_s_argv[0] = NULL;
 	opt_s_argv[2] = NULL;
-	getopt32(argv, "Ps:", &opt_s_argv[0]);
+	getopt32(argv, "^" "Ps:" "\0" "-1", &opt_s_argv[0]);
 	argv += optind;
 
 	i_am_init = (getpid() == 1);
diff --git a/runit/sv.c b/runit/sv.c
index 477c1ac..1d0809b 100644
--- a/runit/sv.c
+++ b/runit/sv.c
@@ -506,8 +506,9 @@ static int sv(char **argv)
 	x = getenv("SVWAIT");
 	if (x) waitsec = xatou(x);
 
-	opt_complementary = "vv"; /* -w N, -v is a counter */
-	getopt32(argv, "w:+v", &waitsec, &verbose);
+	getopt32(argv, "^" "w:+v" "\0" "vv" /* -w N, -v is a counter */,
+			&waitsec, &verbose
+	);
 	argv += optind;
 	action = *argv++;
 	if (!action || !*argv) bb_show_usage();
diff --git a/runit/svlogd.c b/runit/svlogd.c
index 831873d..7394833 100644
--- a/runit/svlogd.c
+++ b/runit/svlogd.c
@@ -1037,9 +1037,10 @@ int svlogd_main(int argc, char **argv)
 
 	INIT_G();
 
-	opt_complementary = "tt:vv";
-	opt = getopt32(argv, "r:R:l:b:tv",
-			&r, &replace, &l, &b, &timestamp, &verbose);
+	opt = getopt32(argv, "^"
+			"r:R:l:b:tv" "\0" "tt:vv",
+			&r, &replace, &l, &b, &timestamp, &verbose
+	);
 	if (opt & 1) { // -r
 		repl = r[0];
 		if (!repl || r[1])
diff --git a/selinux/chcon.c b/selinux/chcon.c
index 3cf9e92..e77e9de 100644
--- a/selinux/chcon.c
+++ b/selinux/chcon.c
@@ -163,13 +163,16 @@ int chcon_main(int argc UNUSED_PARAM, char **argv)
 	char *fname;
 	int i, errors = 0;
 
-	opt_complementary = "-1"  /* at least 1 param */
-		":?"  /* error if exclusivity constraints are violated */
+	getopt32long(argv, "^"
+		"Rchfu:r:t:l:v"
+		"\0"
+		"-1" /* at least 1 arg */
+		":?" /* error if exclusivity constraints are violated */
 #if ENABLE_LONG_OPTS
 		":\xff--urtl:u--\xff:r--\xff:t--\xff:l--\xff"
 #endif
-		":f--v:v--f";  /* 'verbose' and 'quiet' are exclusive */
-	getopt32long(argv, "Rchfu:r:t:l:v", chcon_longopts,
+		":f--v:v--f"  /* 'verbose' and 'quiet' are exclusive */
+		, chcon_longopts,
 		&user, &role, &type, &range, &reference_file
 	);
 	argv += optind;
diff --git a/selinux/matchpathcon.c b/selinux/matchpathcon.c
index 3388d08..e57120d 100644
--- a/selinux/matchpathcon.c
+++ b/selinux/matchpathcon.c
@@ -58,9 +58,13 @@ int matchpathcon_main(int argc UNUSED_PARAM, char **argv)
 	unsigned opts;
 	char *fcontext, *prefix, *path;
 
-	opt_complementary = "-1" /* at least one param reqd */
-		":?:f--p:p--f"; /* mutually exclusive */
-	opts = getopt32(argv, "nNf:p:V", &fcontext, &prefix);
+	opts = getopt32(argv, "^"
+			"nNf:p:V"
+			"\0"
+			"-1" /* at least one param reqd */
+			":?:f--p:p--f" /* mutually exclusive */
+			, &fcontext, &prefix
+	);
 	argv += optind;
 
 	if (opts & OPT_NOT_TRANS) {
diff --git a/selinux/runcon.c b/selinux/runcon.c
index 199da25..a5a3944 100644
--- a/selinux/runcon.c
+++ b/selinux/runcon.c
@@ -126,9 +126,12 @@ int runcon_main(int argc UNUSED_PARAM, char **argv)
 
 	selinux_or_die();
 
-	opt_complementary = "-1";
-	opts = getopt32long(argv, "r:t:u:l:ch", runcon_longopts,
-				&role, &type, &user, &range);
+	opts = getopt32long(argv, "^"
+			"r:t:u:l:ch"
+			"\0" "-1",
+			runcon_longopts,
+			&role, &type, &user, &range
+	);
 	argv += optind;
 
 	if (!(opts & OPTS_CONTEXT_COMPONENT)) {
diff --git a/selinux/sestatus.c b/selinux/sestatus.c
index daf4b22..6954aca 100644
--- a/selinux/sestatus.c
+++ b/selinux/sestatus.c
@@ -167,8 +167,7 @@ int sestatus_main(int argc UNUSED_PARAM, char **argv)
 	const char *pol_path;
 	int rc;
 
-	opt_complementary = "?0";  /* no arguments are required. */
-	opts = getopt32(argv, "vb");
+	opts = getopt32(argv, "^" "vb" "\0" "=0"/*no arguments*/);
 
 	/* SELinux status: line */
 	rc = is_selinux_enabled();
diff --git a/selinux/setfiles.c b/selinux/setfiles.c
index 01106bd..fca6982 100644
--- a/selinux/setfiles.c
+++ b/selinux/setfiles.c
@@ -610,17 +610,23 @@ int setfiles_main(int argc UNUSED_PARAM, char **argv)
 
 	set_matchpathcon_flags(matchpathcon_flags);
 
-	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",
-			&exclude_dir, &input_filename, &out_filename, &verbose);
+		flags = getopt32(argv, "^"
+			"de:*f:ilnpqrsvo:FWR",
+			"\0" "vv:v--p:p--v:v--q:q--v";
+			&exclude_dir, &input_filename, &out_filename,
+			&verbose
+		);
 	} else { /* setfiles */
-		flags = getopt32(argv, "de:*f:ilnpqr:svo:FW"
-				IF_FEATURE_SETFILES_CHECK_OPTION("c:"),
+		flags = getopt32(argv, "^"
+			"de:*f:ilnpqr:svo:FW"
+			IF_FEATURE_SETFILES_CHECK_OPTION("c:"),
+			"\0" "vv:v--p:p--v:v--q:q--v";
 			&exclude_dir, &input_filename, &rootpath, &out_filename,
-				IF_FEATURE_SETFILES_CHECK_OPTION(&policyfile,)
-			&verbose);
+			IF_FEATURE_SETFILES_CHECK_OPTION(&policyfile,)
+			&verbose
+		);
 	}
 	argv += optind;
 
diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c
index 31730a7..2b85234 100644
--- a/sysklogd/syslogd.c
+++ b/sysklogd/syslogd.c
@@ -1109,8 +1109,7 @@ int syslogd_main(int argc UNUSED_PARAM, char **argv)
 	INIT_G();
 
 	/* No non-option params */
-	opt_complementary = "=0";
-	opts = getopt32(argv, OPTION_STR, OPTION_PARAM);
+	opts = getopt32(argv, "^"OPTION_STR"\0""=0", OPTION_PARAM);
 #if ENABLE_FEATURE_REMOTE_LOG
 	while (remoteAddrList) {
 		remoteHost_t *rh = xzalloc(sizeof(*rh));
diff --git a/util-linux/acpid.c b/util-linux/acpid.c
index 3c38117..4f491fa 100644
--- a/util-linux/acpid.c
+++ b/util-linux/acpid.c
@@ -264,8 +264,12 @@ int acpid_main(int argc UNUSED_PARAM, char **argv)
 
 	INIT_G();
 
-	opt_complementary = "df:e--e";
-	opts = getopt32(argv, "c:de:fl:a:M:" IF_FEATURE_PIDFILE("p:") IF_FEATURE_ACPID_COMPAT("g:m:s:S:v"),
+	opts = getopt32(argv, "^"
+		"c:de:fl:a:M:"
+		IF_FEATURE_PIDFILE("p:")
+		IF_FEATURE_ACPID_COMPAT("g:m:s:S:v")
+		"\0"
+		"df:e--e",
 		&opt_dir, &opt_input, &opt_logfile, &opt_action, &opt_map
 		IF_FEATURE_PIDFILE(, &opt_pidfile)
 		IF_FEATURE_ACPID_COMPAT(, NULL, NULL, NULL, NULL)
diff --git a/util-linux/blkdiscard.c b/util-linux/blkdiscard.c
index 048d39e..5863f0a 100644
--- a/util-linux/blkdiscard.c
+++ b/util-linux/blkdiscard.c
@@ -53,8 +53,7 @@ int blkdiscard_main(int argc UNUSED_PARAM, char **argv)
 		OPT_SECURE = (1 << 2),
 	};
 
-	opt_complementary = "=1";
-	opts = getopt32(argv, "o:l:s", &offset_str, &length_str);
+	opts = getopt32(argv, "^" "o:l:s" "\0" "=1", &offset_str, &length_str);
 	argv += optind;
 
 	fd = xopen(argv[0], O_RDWR|O_EXCL);
diff --git a/util-linux/chrt.c b/util-linux/chrt.c
index 52523df..2712ea3 100644
--- a/util-linux/chrt.c
+++ b/util-linux/chrt.c
@@ -77,8 +77,7 @@ int chrt_main(int argc UNUSED_PARAM, char **argv)
 	int policy = SCHED_RR;
 
 	/* only one policy accepted */
-	opt_complementary = "r--fo:f--ro:o--rf";
-	opt = getopt32(argv, "+mprfo");
+	opt = getopt32(argv, "^+" "mprfo" "\0" "r--fo:f--ro:o--rf");
 	if (opt & OPT_m) { /* print min/max and exit */
 		show_min_max(SCHED_FIFO);
 		show_min_max(SCHED_RR);
diff --git a/util-linux/eject.c b/util-linux/eject.c
index 8095cbe..6c30fac 100644
--- a/util-linux/eject.c
+++ b/util-linux/eject.c
@@ -124,8 +124,9 @@ int eject_main(int argc UNUSED_PARAM, char **argv)
 	unsigned flags;
 	const char *device;
 
-	opt_complementary = "?1:t--T:T--t";
-	flags = getopt32(argv, "tT" IF_FEATURE_EJECT_SCSI("s"));
+	flags = getopt32(argv, "^" "tT"IF_FEATURE_EJECT_SCSI("s")
+			"\0" "?1:t--T:T--t"
+	);
 	device = argv[optind] ? argv[optind] : "/dev/cdrom";
 
 	/* We used to do "umount <device>" here, but it was buggy
diff --git a/util-linux/fallocate.c b/util-linux/fallocate.c
index 70e7e17..1a02a32 100644
--- a/util-linux/fallocate.c
+++ b/util-linux/fallocate.c
@@ -82,8 +82,7 @@ int fallocate_main(int argc UNUSED_PARAM, char **argv)
 	int fd;
 
 	/* exactly one non-option arg */
-	opt_complementary = "=1";
-	opts = getopt32(argv, "l:o:", &str_l, &str_o);
+	opts = getopt32(argv, "^" "l:o:" "\0" "=1", &str_l, &str_o);
 	if (!(opts & 1))
 		bb_show_usage();
 
diff --git a/util-linux/fdformat.c b/util-linux/fdformat.c
index 6faaf1b..855269c 100644
--- a/util-linux/fdformat.c
+++ b/util-linux/fdformat.c
@@ -66,8 +66,7 @@ int fdformat_main(int argc UNUSED_PARAM, char **argv)
 	struct floppy_struct param;
 	struct format_descr descr;
 
-	opt_complementary = "=1"; /* must have 1 param */
-	verify = !getopt32(argv, "n");
+	verify = !getopt32(argv, "^" "n" "\0" "=1");
 	argv += optind;
 
 	xstat(*argv, &st);
diff --git a/util-linux/flock.c b/util-linux/flock.c
index 0c91585..dd0bfd4 100644
--- a/util-linux/flock.c
+++ b/util-linux/flock.c
@@ -45,9 +45,8 @@ int flock_main(int argc UNUSED_PARAM, char **argv)
 		"nonblock\0"    No_argument       "n"
 		;
 #endif
-	opt_complementary = "-1";
 
-	opt = getopt32long(argv, "+sxnu", flock_longopts);
+	opt = getopt32long(argv, "^+" "sxnu" "\0" "-1", flock_longopts);
 	argv += optind;
 
 	if (argv[1]) {
diff --git a/util-linux/fsck_minix.c b/util-linux/fsck_minix.c
index 8c2b7d8..6080489 100644
--- a/util-linux/fsck_minix.c
+++ b/util-linux/fsck_minix.c
@@ -1232,8 +1232,7 @@ int fsck_minix_main(int argc UNUSED_PARAM, char **argv)
 
 	INIT_G();
 
-	opt_complementary = "=1:ar"; /* one argument; -a assumes -r */
-	getopt32(argv, OPTION_STR);
+	getopt32(argv, "^" OPTION_STR "\0" "=1:ar" /* one arg; -a assumes -r */);
 	argv += optind;
 	device_name = argv[0];
 
diff --git a/util-linux/fsfreeze.c b/util-linux/fsfreeze.c
index af715da..2e22573 100644
--- a/util-linux/fsfreeze.c
+++ b/util-linux/fsfreeze.c
@@ -39,8 +39,9 @@ int fsfreeze_main(int argc UNUSED_PARAM, char **argv)
 	/* exactly one non-option arg: the mountpoint */
 	/* one of opts is required */
 	/* opts are mutually exclusive */
-	opt_complementary = "=1:""\xff:\xfe:""\xff--\xfe:\xfe--\xff";
-	opts = getopt32long(argv, "",
+	opts = getopt32long(argv, "^"
+		"" /* no opts */
+		"\0" "=1:""\xff:\xfe:""\xff--\xfe:\xfe--\xff",
 		"freeze\0"   No_argument "\xff"
 		"unfreeze\0" No_argument "\xfe"
 	);
diff --git a/util-linux/fstrim.c b/util-linux/fstrim.c
index 8f0a053..4acfa56 100644
--- a/util-linux/fstrim.c
+++ b/util-linux/fstrim.c
@@ -71,8 +71,9 @@ int fstrim_main(int argc UNUSED_PARAM, char **argv)
 		;
 #endif
 
-	opt_complementary = "=1"; /* exactly one non-option arg: the mountpoint */
-	opts = getopt32long(argv, "o:l:m:v", fstrim_longopts, &arg_o, &arg_l, &arg_m);
+	opts = getopt32long(argv, "^" "o:l:m:v" "\0" "=1", fstrim_longopts,
+			&arg_o, &arg_l, &arg_m
+	);
 
 	memset(&range, 0, sizeof(range));
 	range.len = ULLONG_MAX;
diff --git a/util-linux/hexdump_xxd.c b/util-linux/hexdump_xxd.c
index 37e58f2..6cf6d02 100644
--- a/util-linux/hexdump_xxd.c
+++ b/util-linux/hexdump_xxd.c
@@ -73,8 +73,9 @@ int xxd_main(int argc UNUSED_PARAM, char **argv)
 #define OPT_s (1 << 1)
 #define OPT_a (1 << 2)
 #define OPT_p (1 << 3)
-	opt_complementary = "?1"; /* 1 argument max */
-	opt = getopt32(argv, "l:s:apg:+c:+", &opt_l, &opt_s, &bytes, &cols);
+	opt = getopt32(argv, "^" "l:s:apg:+c:+" "\0" "?1" /* 1 argument max */,
+			&opt_l, &opt_s, &bytes, &cols
+	);
 	argv += optind;
 
 	dumper->dump_vflag = ALL;
diff --git a/util-linux/hwclock.c b/util-linux/hwclock.c
index 50f83d8..29f5102 100644
--- a/util-linux/hwclock.c
+++ b/util-linux/hwclock.c
@@ -343,8 +343,11 @@ int hwclock_main(int argc UNUSED_PARAM, char **argv)
 	/* Initialize "timezone" (libc global variable) */
 	tzset();
 
-	opt_complementary = "r--wst:w--rst:s--wrt:t--rsw:l--u:u--l";
-	opt = getopt32long(argv, "lurswtf:", hwclock_longopts, &rtcname);
+	opt = getopt32long(argv,
+		"^lurswtf:" "\0" "r--wst:w--rst:s--wrt:t--rsw:l--u:u--l",
+		hwclock_longopts,
+		&rtcname
+	);
 
 	/* If -u or -l wasn't given check if we are using utc */
 	if (opt & (HWCLOCK_OPT_UTC | HWCLOCK_OPT_LOCALTIME))
diff --git a/util-linux/losetup.c b/util-linux/losetup.c
index 2f7dc10..6b171d7 100644
--- a/util-linux/losetup.c
+++ b/util-linux/losetup.c
@@ -57,8 +57,7 @@ int losetup_main(int argc UNUSED_PARAM, char **argv)
 		OPT_r = (1 << 4), /* must be last */
 	};
 
-	opt_complementary = "?2:d--ofar:a--ofr";
-	opt = getopt32(argv, "do:far", &opt_o);
+	opt = getopt32(argv, "^" "do:far" "\0" "?2:d--ofar:a--ofr", &opt_o);
 	argv += optind;
 
 	/* LOOPDEV */
diff --git a/util-linux/mkfs_reiser.c b/util-linux/mkfs_reiser.c
index c7d99b0..390aef8 100644
--- a/util-linux/mkfs_reiser.c
+++ b/util-linux/mkfs_reiser.c
@@ -180,8 +180,7 @@ 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";
-	/*opts =*/ getopt32(argv, "b:+j:s:o:t:B:h:u:l:fqd",
+	/*opts =*/ getopt32(argv, "^" "b:+j:s:o:t:B:h:u:l:fqd" "\0" "-1",
 		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &label);
 	argv += optind; // argv[0] -- device
 
diff --git a/util-linux/mkfs_vfat.c b/util-linux/mkfs_vfat.c
index f9768ed..426854b 100644
--- a/util-linux/mkfs_vfat.c
+++ b/util-linux/mkfs_vfat.c
@@ -269,8 +269,9 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
 		OPT_v = 1 << 16, // verbose
 	};
 
-	opt_complementary = "-1";//:b+:f+:F+:h+:r+:R+:s+:S+:vv:c--l:l--c";
-	opts = getopt32(argv, "Ab:cCf:F:h:Ii:l:m:n:r:R:s:S:v",
+	opts = getopt32(argv, "^"
+		"Ab:cCf:F:h:Ii:l:m:n:r:R:s:S:v"
+		"\0" "-1", //:b+:f+:F+:h+:r+:R+:s+:S+:vv:c--l:l--c
 		NULL, NULL, NULL, NULL, NULL,
 		NULL, NULL, &volume_label, NULL, NULL, NULL, NULL);
 	argv += optind;
diff --git a/util-linux/mkswap.c b/util-linux/mkswap.c
index e44e13c..7144988 100644
--- a/util-linux/mkswap.c
+++ b/util-linux/mkswap.c
@@ -119,9 +119,8 @@ int mkswap_main(int argc UNUSED_PARAM, char **argv)
 
 	INIT_G();
 
-	opt_complementary = "-1"; /* at least one param */
 	/* TODO: -p PAGESZ, -U UUID */
-	getopt32(argv, "L:", &label);
+	getopt32(argv, "^" "L:" "\0" "-1"/*at least one arg*/, &label);
 	argv += optind;
 
 	fd = xopen(argv[0], O_WRONLY);
diff --git a/util-linux/mount.c b/util-linux/mount.c
index 4d5c224..b8dd8a9 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -2205,10 +2205,14 @@ 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 = "?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));
+	opt = getopt32(argv, "^"
+		OPTION_STR
+		"\0" "?2"IF_FEATURE_MOUNT_VERBOSE("vv"),
+		&lst_o, &fstype, &O_optmatch
+		IF_FEATURE_MOUNT_OTHERTAB(, &fstabname)
+		IF_FEATURE_MOUNT_VERBOSE(, &verbose)
+	);
+
 	while (lst_o) append_mount_options(&cmdopts, llist_pop(&lst_o)); // -o
 	if (opt & OPT_r) append_mount_options(&cmdopts, "ro"); // -r
 	if (opt & OPT_w) append_mount_options(&cmdopts, "rw"); // -w
diff --git a/util-linux/mountpoint.c b/util-linux/mountpoint.c
index 5077253..6b21a5f 100644
--- a/util-linux/mountpoint.c
+++ b/util-linux/mountpoint.c
@@ -43,8 +43,7 @@ int mountpoint_main(int argc UNUSED_PARAM, char **argv)
 	char *arg;
 	int rc, opt;
 
-	opt_complementary = "=1"; /* must have one argument */
-	opt = getopt32(argv, "qdxn");
+	opt = getopt32(argv, "^" "qdxn" "\0" "=1");
 #define OPT_q (1)
 #define OPT_d (2)
 #define OPT_x (4)
diff --git a/util-linux/rdate.c b/util-linux/rdate.c
index 14ce591..f27294e 100644
--- a/util-linux/rdate.c
+++ b/util-linux/rdate.c
@@ -81,8 +81,7 @@ int rdate_main(int argc UNUSED_PARAM, char **argv)
 	time_t remote_time;
 	unsigned flags;
 
-	opt_complementary = "-1";
-	flags = getopt32(argv, "sp");
+	flags = getopt32(argv, "^" "sp" "\0" "-1");
 
 	remote_time = askremotedate(argv[optind]);
 
diff --git a/util-linux/rtcwake.c b/util-linux/rtcwake.c
index 2a3d61f..8ffa4f3 100644
--- a/util-linux/rtcwake.c
+++ b/util-linux/rtcwake.c
@@ -155,9 +155,9 @@ int rtcwake_main(int argc UNUSED_PARAM, char **argv)
 		"time\0"    Required_argument "t"
 		;
 #endif
-	/* Must have -s or -t, exclusive */
-	opt_complementary = "s:t:s--t:t--s";
-	opt = getopt32long(argv, "alud:m:s:t:", rtcwake_longopts,
+	opt = getopt32long(argv,
+			/* Must have -s or -t, exclusive */
+			"^alud:m:s:t:" "\0" "s:t:s--t:t--s", rtcwake_longopts,
 			&rtcname, &suspend, &opt_seconds, &opt_time);
 
 	/* this is the default
diff --git a/util-linux/script.c b/util-linux/script.c
index 8174c65..aac77c3 100644
--- a/util-linux/script.c
+++ b/util-linux/script.c
@@ -80,8 +80,10 @@ int script_main(int argc UNUSED_PARAM, char **argv)
 		;
 #endif
 
-	opt_complementary = "?1"; /* max one arg */
-	opt = getopt32long(argv, "ac:fqt::", script_longopts, &shell_arg, &str_t);
+	opt = getopt32long(argv, "^" "ac:fqt::" "\0" "?1"/* max one arg */,
+				script_longopts,
+				&shell_arg, &str_t
+	);
 	//argc -= optind;
 	argv += optind;
 	if (argv[0]) {
diff --git a/util-linux/setsid.c b/util-linux/setsid.c
index 60cab2f..8385a91 100644
--- a/util-linux/setsid.c
+++ b/util-linux/setsid.c
@@ -37,8 +37,8 @@ int setsid_main(int argc UNUSED_PARAM, char **argv)
 {
 	unsigned opt;
 
-	opt_complementary = "-1"; /* at least one arg */
-	opt = getopt32(argv, "+c"); /* +: stop on first non-opt */
+	/* +: stop on first non-opt */
+	opt = getopt32(argv, "^+" "c" "\0" "-1"/* at least one arg */);
 	argv += optind;
 
 	/* setsid() is allowed only when we are not a process group leader.
diff --git a/util-linux/switch_root.c b/util-linux/switch_root.c
index 3270893..fb6057a 100644
--- a/util-linux/switch_root.c
+++ b/util-linux/switch_root.c
@@ -97,9 +97,8 @@ int switch_root_main(int argc UNUSED_PARAM, char **argv)
 	struct statfs stfs;
 	dev_t rootdev;
 
-	// Parse args (-c console)
-	opt_complementary = "-2"; // minimum 2 params
-	getopt32(argv, "+c:", &console); // '+': stop at first non-option
+	// Parse args (-c console). '+': stop at first non-option
+	getopt32(argv, "^+" "c:" "\0" "-2" /* minimum 2 args */, &console);
 	argv += optind;
 	newroot = *argv++;
 
diff --git a/util-linux/taskset.c b/util-linux/taskset.c
index 89dea17..401a1bc 100644
--- a/util-linux/taskset.c
+++ b/util-linux/taskset.c
@@ -123,8 +123,7 @@ int taskset_main(int argc UNUSED_PARAM, char **argv)
 	 * Indeed, util-linux-2.13-pre7 uses:
 	 * getopt_long(argc, argv, "+pchV", ...), not "...p:..." */
 
-	opt_complementary = "-1"; /* at least 1 arg */
-	opt_p = getopt32(argv, "+p");
+	opt_p = getopt32(argv, "^+" "p" "\0" "-1" /* at least 1 arg */);
 	argv += optind;
 
 	aff = *argv++;
diff --git a/util-linux/unshare.c b/util-linux/unshare.c
index df37747..6a3da9f 100644
--- a/util-linux/unshare.c
+++ b/util-linux/unshare.c
@@ -137,7 +137,7 @@ static const struct namespace_descr ns_list[] = {
  * we are forced to use "fake" letters for them.
  * '+': stop at first non-option.
  */
-static const char opt_str[] ALIGN1 = "+muinpU""fr""\xfd::""\xfe:""\xff:";
+#define OPT_STR "+muinpU""fr""\xfd::""\xfe:""\xff:"
 static const char unshare_longopts[] ALIGN1 =
 	"mount\0"		Optional_argument	"\xf0"
 	"uts\0"			Optional_argument	"\xf1"
@@ -210,7 +210,7 @@ int unshare_main(int argc UNUSED_PARAM, char **argv)
 	prop_str = PRIVATE_STR;
 	setgrp_str = NULL;
 
-	opt_complementary =
+	opts = getopt32long(argv, "^" OPT_STR "\0"
 		"\xf0""m" /* long opts (via their "fake chars") imply short opts */
 		":\xf1""u"
 		":\xf2""i"
@@ -219,15 +219,14 @@ int unshare_main(int argc UNUSED_PARAM, char **argv)
 		":\xf5""U"
 		":ru"	   /* --map-root-user or -r implies -u */
 		":\xfd""m" /* --mount-proc implies -m */
-	;
-	opts = getopt32long(argv, opt_str, unshare_longopts,
-			&proc_mnt_target, &prop_str, &setgrp_str,
-			&ns_ctx_list[NS_MNT_POS].path,
-			&ns_ctx_list[NS_UTS_POS].path,
-			&ns_ctx_list[NS_IPC_POS].path,
-			&ns_ctx_list[NS_NET_POS].path,
-			&ns_ctx_list[NS_PID_POS].path,
-			&ns_ctx_list[NS_USR_POS].path
+		, unshare_longopts,
+		&proc_mnt_target, &prop_str, &setgrp_str,
+		&ns_ctx_list[NS_MNT_POS].path,
+		&ns_ctx_list[NS_UTS_POS].path,
+		&ns_ctx_list[NS_IPC_POS].path,
+		&ns_ctx_list[NS_NET_POS].path,
+		&ns_ctx_list[NS_PID_POS].path,
+		&ns_ctx_list[NS_USR_POS].path
 	);
 	argv += optind;
 	//bb_error_msg("opts:0x%x", opts);
author	Denys Vlasenko	2017-08-08 21:55:02 +0200
committer	Denys Vlasenko	2017-08-08 21:55:02 +0200
commit	22542eca18e5807b72ddc78999f5101e33f17a53 (patch)
tree	1271842a37c6215c998674a44bf7f561a0deff52
parent	036585a911a5fe6c2cd77b808dd9150500f37272 (diff)
download	busybox-22542eca18e5807b72ddc78999f5101e33f17a53.zip busybox-22542eca18e5807b72ddc78999f5101e33f17a53.tar.gz