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author | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
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committer | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
commit | 008d0be72b2f160382c6e880765e96b64a050c65 (patch) | |
tree | 36f48a98a3815a408e2ce1693dd182af90f80305 /release/src/router/busybox/libbb/getopt_ulflags.c | |
parent | 611becfb8726c60cb060368541ad98191d4532f5 (diff) | |
download | tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.gz tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.bz2 |
imported original firmware WRT54GL_v4.30.11_11_US
Diffstat (limited to 'release/src/router/busybox/libbb/getopt_ulflags.c')
-rw-r--r-- | release/src/router/busybox/libbb/getopt_ulflags.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/release/src/router/busybox/libbb/getopt_ulflags.c b/release/src/router/busybox/libbb/getopt_ulflags.c new file mode 100644 index 00000000..9bf8c055 --- /dev/null +++ b/release/src/router/busybox/libbb/getopt_ulflags.c @@ -0,0 +1,170 @@ +/* vi: set sw=4 ts=4: */ +/* + * universal getopt_ulflags implementation for busybox + * + * Copyright (C) 2003 Vladimir Oleynik <dzo@simtreas.ru> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <getopt.h> +#include <string.h> +#include <assert.h> +#include <stdlib.h> +#include "libbb.h" + +/* +You can set bb_opt_complementaly as string with one or more +complementaly or incongruously options. +If sequential founded option haved from this string +then your incongruously pairs unsets and complementaly make add sets. +Format: +one char - option for check, +chars - complementaly option for add sets. +- chars - option triggered for unsets. +~ chars - option incongruously. +* - option list, called add_to_list(*ptr_from_usaged, optarg) +: - separator. +Example: du applet can have options "-s" and "-d size" +If getopt found -s then -d option flag unset or if found -d then -s unset. +For this result you must set bb_opt_complementaly = "s-d:d-s". +Result have last option flag only from called arguments. +Warning! You can check returned flag, pointer to "d:" argument seted +to own optarg always. +Example two: cut applet must only one type of list may be specified, +and -b, -c and -f incongruously option, overwited option is error also. +You must set bb_opt_complementaly = "b~bcf:c~bcf:f~bcf". +If called have more one specified, return value have error flag - +high bite set (0x80000000UL). +Example three: grep applet can have one or more "-e pattern" arguments. +You should use bb_getopt_ulflags() as +llist_t *paterns; +bb_opt_complementaly = "e*"; +bb_getopt_ulflags (argc, argv, "e:", &paterns); +*/ + +const char *bb_opt_complementaly; + +typedef struct +{ + char opt; + char list_flg; + unsigned long switch_on; + unsigned long switch_off; + unsigned long incongruously; + void **optarg; /* char **optarg or llist_t **optarg */ +} t_complementaly; + +/* You can set bb_applet_long_options for parse called long options */ + +static const struct option bb_default_long_options[] = { + /* { "help", 0, NULL, '?' }, */ + { 0, 0, 0, 0 } +}; + +const struct option *bb_applet_long_options = bb_default_long_options; + + +unsigned long +bb_getopt_ulflags (int argc, char **argv, const char *applet_opts, ...) +{ + unsigned long flags = 0; + int c = 0; + const char *s; + t_complementaly *complementaly; + t_complementaly *on_off; + va_list p; + + va_start (p, applet_opts); + + for (s = applet_opts; *s; s++) { + c++; + while (s[1] == ':') { + /* check GNU extension "o::" - optional arg */ + s++; + } + } + complementaly = xcalloc (c + 1, sizeof (t_complementaly)); + c = 0; + for (s = applet_opts; *s; s++) { + complementaly->opt = *s; + complementaly->switch_on |= (1 << c); + c++; + if (s[1] == ':') { + complementaly->optarg = va_arg (p, void **); + do + s++; + while (s[1] == ':'); + } + complementaly++; + } + complementaly->opt = 0; + complementaly -= c; + c = 0; + for (s = bb_opt_complementaly; s && *s; s++) { + t_complementaly *pair; + + if (*s == ':') { + c = 0; + continue; + } + if (c) + continue; + for (on_off = complementaly; on_off->opt; on_off++) + if (on_off->opt == *s) + break; + pair = on_off; + for(s++; *s && *s != ':'; s++) { + if (*s == '-' || *s == '~') { + c = *s; + } else if(*s == '*') { + pair->list_flg++; + } else { + unsigned long *pair_switch = &(pair->switch_on); + + if(c) + pair_switch = c == '-' ? &(pair->switch_off) : &(pair->incongruously); + for (on_off = complementaly; on_off->opt; on_off++) + if (on_off->opt == *s) { + *pair_switch |= on_off->switch_on; + break; + } + } + } + s--; + } + + while ((c = getopt_long (argc, argv, applet_opts, + bb_applet_long_options, NULL)) > 0) { + + for (on_off = complementaly; on_off->opt != c; on_off++) { + if(!on_off->opt) + bb_show_usage (); + } + if(flags & on_off->incongruously) + flags |= 0x80000000UL; + flags &= ~on_off->switch_off; + flags |= on_off->switch_on; + if(on_off->list_flg) { + *(llist_t **)(on_off->optarg) = + llist_add_to(*(llist_t **)(on_off->optarg), optarg); + } else if (on_off->optarg) { + *(char **)(on_off->optarg) = optarg; + } + } + free(complementaly); + return flags; +} |