/*
* 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[] = "@(#)opj_getopt.c 8.3 (Berkeley) 4/27/95";
#endif /* LIBC_SCCS and not lint */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "opj_getopt.h"
int opj_opterr = 1, /* if error message should be printed */
opj_optind = 1, /* index into parent argv vector */
opj_optopt, /* character checked for validity */
opj_optreset; /* reset getopt */
char *opj_optarg; /* argument associated with option */
#define BADCH (int)'?'
#define BADARG (int)':'
static char EMSG[]={""};
/* As this class remembers its values from one Java call to the other, reset the values before each use */
void reset_options_reading(void) {
opj_opterr = 1;
opj_optind = 1;
}
/*
* getopt --
* Parse argc/argv argument vector.
*/
int opj_getopt(int nargc, char *const *nargv, const char *ostr) {
# define __progname nargv[0]
static char *place = EMSG; /* option letter processing */
char *oli = NULL; /* option letter list index */
if (opj_optreset || !*place) { /* update scanning pointer */
opj_optreset = 0;
if (opj_optind >= nargc || *(place = nargv[opj_optind]) != '-') {
place = EMSG;
return (-1);
}
if (place[1] && *++place == '-') { /* found "--" */
++opj_optind;
place = EMSG;
return (-1);
}
} /* option letter okay? */
if ((opj_optopt = (int) *place++) == (int) ':' ||
!(oli = strchr(ostr, opj_optopt))) {
/*
* if the user didn't specify '-' as an option,
* assume it means -1.
*/
if (opj_optopt == (int) '-')
return (-1);
if (!*place)
++opj_optind;
if (opj_opterr && *ostr != ':') {
fprintf(stderr,
"%s: illegal option -- %c\n", __progname, opj_optopt);
return (BADCH);
}
}
if (*++oli != ':') { /* don't need argument */
opj_optarg = NULL;
if (!*place)
++opj_optind;
} else { /* need an argument */
if (*place) /* no white space */
opj_optarg = place;
else if (nargc <= ++opj_optind) { /* no arg */
place = EMSG;
if (*ostr == ':')
return (BADARG);
if (opj_opterr) {
fprintf(stderr,
"%s: option requires an argument -- %c\n",
__progname, opj_optopt);
return (BADCH);
}
} else /* white space */
opj_optarg = nargv[opj_optind];
place = EMSG;
++opj_optind;
}
return (opj_optopt); /* dump back option letter */
}
int opj_getopt_long(int argc, char * const argv[], const char *optstring,
const opj_option_t *longopts, int totlen) {
static int lastidx,lastofs;
char *tmp;
int i,len;
char param = 1;
again:
if (opj_optind >= argc || !argv[opj_optind] || *argv[opj_optind]!='-')
return -1;
if (argv[opj_optind][0]=='-' && argv[opj_optind][1]==0) {
if(opj_optind >= (argc - 1)){ /* no more input parameters */
param = 0;
}
else{ /* more input parameters */
if(argv[opj_optind + 1][0] == '-'){
param = 0; /* Missing parameter after '-' */
}
else{
param = 2;
}
}
}
if (param == 0) {
++opj_optind;
return (BADCH);
}
if (argv[opj_optind][0]=='-') { /* long option */
char* arg=argv[opj_optind]+1;
const opj_option_t* o;
o=longopts;
len=sizeof(longopts[0]);
if (param > 1){
arg = argv[opj_optind+1];
opj_optind++;
}
else
arg = argv[opj_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[opj_optind+1])&&(!(argv[opj_optind+1][0]=='-'))){
fprintf(stderr,"%s: option does not require an argument. Ignoring %s\n",arg,argv[opj_optind+1]);
++opj_optind;
}
}else{
opj_optarg=argv[opj_optind+1];
if(opj_optarg){
if (opj_optarg[0] == '-'){ /* Has read next input parameter: No arg for current parameter */
if (opj_opterr) {
fprintf(stderr,"%s: option requires an argument\n",arg);
return (BADCH);
}
}
}
if (!opj_optarg && o->has_arg==1) { /* no argument there */
if (opj_opterr) {
fprintf(stderr,"%s: option requires an argument \n",arg);
return (BADCH);
}
}
++opj_optind;
}
++opj_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);
++opj_optind;
return (BADCH);
}else{ /*Single character input parameter*/
if (*optstring==':') return ':';
if (lastidx!=opj_optind) {
lastidx=opj_optind; lastofs=0;
}
opj_optopt=argv[opj_optind][lastofs+1];
if ((tmp=strchr(optstring,opj_optopt))) {/*Found input parameter in list*/
if (*tmp==0) { /* apparently, we looked for \0, i.e. end of argument */
++opj_optind;
goto again;
}
if (tmp[1]==':') { /* argument expected */
if (tmp[2]==':' || argv[opj_optind][lastofs+2]) { /* "-foo", return "oo" as opj_optarg */
if (!*(opj_optarg=argv[opj_optind]+lastofs+2)) opj_optarg=0;
goto found;
}
opj_optarg=argv[opj_optind+1];
if(opj_optarg){
if (opj_optarg[0] == '-'){ /* Has read next input parameter: No arg for current parameter */
if (opj_opterr) {
fprintf(stderr,"%s: option requires an argument\n",arg);
return (BADCH);
}
}
}
if (!opj_optarg) { /* missing argument */
if (opj_opterr) {
fprintf(stderr,"%s: option requires an argument\n",arg);
return (BADCH);
}
}
++opj_optind;
}else {/*Argument not expected*/
++lastofs;
return opj_optopt;
}
found:
++opj_optind;
return opj_optopt;
} else { /* not found */
fprintf(stderr,"Invalid option %s\n",arg);
++opj_optind;
return (BADCH);
}/*end of not found*/
}/* end of single character*/
}/*end '-'*/
fprintf(stderr,"Invalid option\n");
++opj_optind;
return (BADCH);;
}/*end function*/