From 1d42665b6b0571b9fa5d3b10fbf2dd03382f0ba2 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Mon, 17 Mar 2008 09:09:09 +0000 Subject: *: shrink: use Vladimir's "o+" specifier instead of xatou(opt_param) function old new delta getopt32 1370 1385 +15 sulogin_main 490 494 +4 realpath_main 84 86 +2 sleep_main 76 77 +1 mt_main 256 257 +1 printenv_main 75 74 -1 fdformat_main 546 545 -1 usleep_main 44 42 -2 setlogcons_main 77 75 -2 ed_main 2654 2649 -5 deallocvt_main 69 64 -5 addgroup_main 373 368 -5 mkfs_minix_main 2989 2982 -7 tail_main 1221 1213 -8 sv_main 1254 1241 -13 du_main 348 328 -20 tftp_main 325 302 -23 split_main 581 558 -23 nc_main 1000 977 -23 diff_main 891 868 -23 arping_main 1797 1770 -27 ls_main 893 847 -46 od_main 2797 2750 -47 readprofile_main 1944 1895 -49 tcpudpsvd_main 1973 1922 -51 udhcpc_main 2590 2513 -77 grep_main 824 722 -102 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/22 up/down: 23/-560) Total: -537 bytes text data bss dec hex filename 796973 658 7428 805059 c48c3 busybox_old 796479 662 7420 804561 c46d1 busybox_unstripped --- libbb/getopt32.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) (limited to 'libbb/getopt32.c') diff --git a/libbb/getopt32.c b/libbb/getopt32.c index 9e53dfd08..51e030653 100644 --- a/libbb/getopt32.c +++ b/libbb/getopt32.c @@ -117,7 +117,7 @@ const char *opt_complementary if w is given once, GNU ps sets the width to 132, if w is given more than once, it is "unlimited" - int w_counter = 0; + int w_counter = 0; // must be initialized! opt_complementary = "ww"; getopt32(argv, "w", &w_counter); if (w_counter) @@ -220,7 +220,7 @@ Special characters: "x--x" Variation of the above, it means that -x option should occur at most once. - "a+:" A plus after a char in opt_complementary means that the parameter + "a+" A plus after a char in opt_complementary means that the parameter for this option is a nonnegative integer. It will be processed with xatoi_u() - allowed range is 0..INT_MAX. @@ -255,7 +255,7 @@ 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"; + opt_complementary = "r?ug:n?ug:u--g:g--u"; flags = getopt32(argv, "rnug"); This example allowed only: @@ -545,11 +545,14 @@ getopt32(char **argv, const char *applet_opts, ...) if (on_off->counter) (*(on_off->counter))++; if (on_off->param_type == PARAM_LIST) { - llist_add_to_end((llist_t **)(on_off->optarg), optarg); + if (optarg) + llist_add_to_end((llist_t **)(on_off->optarg), optarg); } else if (on_off->param_type == PARAM_INT) { - *(unsigned*)(on_off->optarg) = xatoi_u(optarg); + if (optarg) + *(unsigned*)(on_off->optarg) = xatoi_u(optarg); } else if (on_off->optarg) { - *(char **)(on_off->optarg) = optarg; + if (optarg) + *(char **)(on_off->optarg) = optarg; } if (pargv != NULL) break; -- cgit v1.2.3