| /* |
| * Copyright (c) 1987, 1993, 1994 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by the University of |
| * California, Berkeley and its contributors. |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| /* last review : october 29th, 2002 */ |
| |
| #if defined(LIBC_SCCS) && !defined(lint) |
| static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95"; |
| #endif /* LIBC_SCCS and not lint */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| int opterr = 1, /* if error message should be printed */ |
| optind = 1, /* index into parent argv vector */ |
| optopt, /* character checked for validity */ |
| optreset; /* reset getopt */ |
| const char *optarg; /* argument associated with option */ |
| |
| typedef struct option |
| { |
| const char *name; |
| int has_arg; |
| int *flag; |
| int val; |
| }option_t; |
| |
| #define BADCH (int)'?' |
| #define BADARG (int)':' |
| #define EMSG "" |
| |
| /* As this class remembers its values from one Java call to the other, reset the values before each use */ |
| void reset_options_reading() { |
| opterr = 1; |
| optind = 1; |
| } |
| |
| /* |
| * getopt -- |
| * Parse argc/argv argument vector. |
| */ |
| int getopt(int nargc, char *const *nargv, const char *ostr) { |
| # define __progname nargv[0] |
| static const char *place = EMSG; /* option letter processing */ |
| char *oli; /* option letter list index */ |
| |
| if (optreset || !*place) { /* update scanning pointer */ |
| optreset = 0; |
| if (optind >= nargc || *(place = nargv[optind]) != '-') { |
| place = EMSG; |
| return (-1); |
| } |
| if (place[1] && *++place == '-') { /* found "--" */ |
| ++optind; |
| place = EMSG; |
| return (-1); |
| } |
| } /* option letter okay? */ |
| if ((optopt = (int) *place++) == (int) ':' || |
| !(oli = strchr(ostr, optopt))) { |
| /* |
| * if the user didn't specify '-' as an option, |
| * assume it means -1. |
| */ |
| if (optopt == (int) '-') |
| return (-1); |
| if (!*place) |
| ++optind; |
| if (opterr && *ostr != ':') { |
| fprintf(stderr, |
| "%s: illegal option -- %c\n", __progname, optopt); |
| return (BADCH); |
| } |
| } |
| if (*++oli != ':') { /* don't need argument */ |
| optarg = NULL; |
| if (!*place) |
| ++optind; |
| } else { /* need an argument */ |
| if (*place) /* no white space */ |
| optarg = place; |
| else if (nargc <= ++optind) { /* no arg */ |
| place = EMSG; |
| if (*ostr == ':') |
| return (BADARG); |
| if (opterr) { |
| fprintf(stderr, |
| "%s: option requires an argument -- %c\n", |
| __progname, optopt); |
| return (BADCH); |
| } |
| } else /* white space */ |
| optarg = nargv[optind]; |
| place = EMSG; |
| ++optind; |
| } |
| return (optopt); /* dump back option letter */ |
| } |
| |
| |
| int getopt_long(int argc, char * const argv[], const char *optstring, |
| struct option *longopts, int totlen) { |
| static int lastidx,lastofs; |
| char *tmp; |
| int i,len; |
| char param = 1; |
| |
| again: |
| if (optind >= argc || !argv[optind] || *argv[optind]!='-') |
| return -1; |
| |
| if (argv[optind][0]=='-' && argv[optind][1]==0) { |
| if(optind >= (argc - 1)){ /* no more input parameters */ |
| param = 0; |
| } |
| else{ /* more input parameters */ |
| if(argv[optind + 1][0] == '-'){ |
| param = 0; /* Missing parameter after '-' */ |
| } |
| else{ |
| param = 2; |
| } |
| } |
| } |
| |
| if (param == 0) { |
| ++optind; |
| return (BADCH); |
| } |
| |
| if (argv[optind][0]=='-') { /* long option */ |
| char* arg=argv[optind]+1; |
| const struct option* o; |
| o=longopts; |
| len=sizeof(longopts[0]); |
| |
| if (param > 1){ |
| arg = argv[optind+1]; |
| optind++; |
| } |
| else |
| arg = argv[optind]+1; |
| |
| if(strlen(arg)>1){ |
| for (i=0;i<totlen;i=i+len,o++) { |
| if (!strcmp(o->name,arg)) { /* match */ |
| if (o->has_arg == 0) { |
| if ((argv[optind+1])&&(!(argv[optind+1][0]=='-'))){ |
| fprintf(stderr,"%s: option does not require an argument. Ignoring %s\n",arg,argv[optind+1]); |
| ++optind; |
| } |
| }else{ |
| optarg=argv[optind+1]; |
| if(optarg){ |
| if (optarg[0] == '-'){ /* Has read next input parameter: No arg for current parameter */ |
| if (opterr) { |
| fprintf(stderr,"%s: option requires an argument\n",arg); |
| return (BADCH); |
| } |
| } |
| } |
| if (!optarg && o->has_arg==1) { /* no argument there */ |
| if (opterr) { |
| fprintf(stderr,"%s: option requires an argument \n",arg); |
| return (BADCH); |
| } |
| } |
| ++optind; |
| } |
| ++optind; |
| if (o->flag) |
| *(o->flag)=o->val; |
| else |
| return o->val; |
| return 0; |
| } |
| }//(end for)String not found in the list |
| fprintf(stderr,"Invalid option %s\n",arg); |
| ++optind; |
| return (BADCH); |
| }else{ /*Single character input parameter*/ |
| if (*optstring==':') return ':'; |
| if (lastidx!=optind) { |
| lastidx=optind; lastofs=0; |
| } |
| optopt=argv[optind][lastofs+1]; |
| if ((tmp=strchr(optstring,optopt))) {/*Found input parameter in list*/ |
| if (*tmp==0) { /* apparently, we looked for \0, i.e. end of argument */ |
| ++optind; |
| goto again; |
| } |
| if (tmp[1]==':') { /* argument expected */ |
| if (tmp[2]==':' || argv[optind][lastofs+2]) { /* "-foo", return "oo" as optarg */ |
| if (!*(optarg=argv[optind]+lastofs+2)) optarg=0; |
| goto found; |
| } |
| optarg=argv[optind+1]; |
| if(optarg){ |
| if (optarg[0] == '-'){ /* Has read next input parameter: No arg for current parameter */ |
| if (opterr) { |
| fprintf(stderr,"%s: option requires an argument\n",arg); |
| return (BADCH); |
| } |
| } |
| } |
| if (!optarg) { /* missing argument */ |
| if (opterr) { |
| fprintf(stderr,"%s: option requires an argument\n",arg); |
| return (BADCH); |
| } |
| } |
| ++optind; |
| }else {/*Argument not expected*/ |
| ++lastofs; |
| return optopt; |
| } |
| found: |
| ++optind; |
| return optopt; |
| } else { /* not found */ |
| fprintf(stderr,"Invalid option %s\n",arg); |
| ++optind; |
| return (BADCH); |
| }//end of not found |
| |
| }// end of single character |
| }//end '-' |
| fprintf(stderr,"Invalid option\n"); |
| ++optind; |
| return (BADCH);; |
| }//end function |
