From 237bedd499c58034a1355484d6d4d906f0180308 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Wed, 6 Jul 2016 21:58:02 +0200 Subject: getopt32: add new syntax of 'o:+' and 'o:*' for -o NUM and -o LIST In many cases, this aqllows to drop use of opt_complementary. Approximately -400 bytes: function old new delta getopt32 1423 1502 +79 opt_string 17 18 +1 OPT_STR 24 25 +1 uniq_main 416 406 -10 timeout_main 279 269 -10 sulogin_main 270 260 -10 readprofile_main 1825 1815 -10 ps_main 543 533 -10 pidof_main 245 235 -10 pgrep_main 611 601 -10 od_main 2600 2590 -10 mkfs_minix_main 2684 2674 -10 mkfs_ext2_main 2603 2593 -10 microcom_main 712 702 -10 makemime_main 315 305 -10 ionice_main 282 272 -10 inetd_main 2074 2064 -10 ifplugd_main 1144 1134 -10 halt_main 353 343 -10 getopt_main 636 626 -10 fdisk_main 2854 2844 -10 env_main 206 196 -10 dmesg_main 319 309 -10 conspy_main 1214 1204 -10 awk_main 981 971 -10 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/22 up/down: 81/-220) Total: -139 bytes text data bss dec hex filename 919373 906 14060 934339 e41c3 busybox_old 918969 906 14060 933935 e402f busybox_unstripped Signed-off-by: Denys Vlasenko --- loginutils/cryptpw.c | 4 ++-- loginutils/getty.c | 4 ++-- loginutils/sulogin.c | 3 +-- 3 files changed, 5 insertions(+), 6 deletions(-) (limited to 'loginutils') diff --git a/loginutils/cryptpw.c b/loginutils/cryptpw.c index 23a1884f4..9f5f40686 100644 --- a/loginutils/cryptpw.c +++ b/loginutils/cryptpw.c @@ -111,8 +111,8 @@ 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:P+"; - getopt32(argv, "sP:S:m:a:", &fd, &opt_S, &opt_m, &opt_m); + opt_complementary = "?2"; + getopt32(argv, "sP:+S:m:a:", &fd, &opt_S, &opt_m, &opt_m); argv += optind; /* have no idea how to handle -s... */ diff --git a/loginutils/getty.c b/loginutils/getty.c index b10bdbdbf..162c1697e 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"; +static const char opt_string[] ALIGN1 = "I:LH:f:hil:mt:+wn"; #define F_INITSTRING (1 << 0) /* -I */ #define F_LOCAL (1 << 1) /* -L */ #define F_FAKEHOST (1 << 2) /* -H */ @@ -179,7 +179,7 @@ static void parse_args(char **argv) char *ts; int flags; - opt_complementary = "-2:t+"; /* at least 2 args; -t N */ + opt_complementary = "-2"; /* at least 2 args; -t N */ flags = getopt32(argv, opt_string, &G.initstring, &G.fakehost, &G.issue, &G.login, &G.timeout diff --git a/loginutils/sulogin.c b/loginutils/sulogin.c index f32469551..6befea933 100644 --- a/loginutils/sulogin.c +++ b/loginutils/sulogin.c @@ -43,8 +43,7 @@ int sulogin_main(int argc UNUSED_PARAM, char **argv) logmode = LOGMODE_BOTH; openlog(applet_name, 0, LOG_AUTH); - opt_complementary = "t+"; /* -t N */ - getopt32(argv, "t:", &timeout); + getopt32(argv, "t:+", &timeout); argv += optind; if (argv[0]) { -- cgit v1.2.3