2 * Copyright (c) 1987, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer.
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13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
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34 /* last review : october 29th, 2002 */
36 #if defined(LIBC_SCCS) && !defined(lint)
37 static char sccsid[] = "@(#)opj_getopt.c 8.3 (Berkeley) 4/27/95";
38 #endif /* LIBC_SCCS and not lint */
43 #include "opj_getopt.h"
45 int opj_opterr = 1, /* if error message should be printed */
46 opj_optind = 1, /* index into parent argv vector */
47 opj_optopt, /* character checked for validity */
48 opj_optreset; /* reset getopt */
49 char *opj_optarg; /* argument associated with option */
51 #define BADCH (int)'?'
52 #define BADARG (int)':'
53 static char EMSG[]={""};
55 /* As this class remembers its values from one Java call to the other, reset the values before each use */
56 void reset_options_reading(void) {
63 * Parse argc/argv argument vector.
65 int opj_getopt(int nargc, char *const *nargv, const char *ostr) {
66 # define __progname nargv[0]
67 static char *place = EMSG; /* option letter processing */
68 char *oli; /* option letter list index */
70 if (opj_optreset || !*place) { /* update scanning pointer */
72 if (opj_optind >= nargc || *(place = nargv[opj_optind]) != '-') {
76 if (place[1] && *++place == '-') { /* found "--" */
81 } /* option letter okay? */
82 if ((opj_optopt = (int) *place++) == (int) ':' ||
83 !(oli = strchr(ostr, opj_optopt))) {
85 * if the user didn't specify '-' as an option,
88 if (opj_optopt == (int) '-')
92 if (opj_opterr && *ostr != ':') {
94 "%s: illegal option -- %c\n", __progname, opj_optopt);
98 if (*++oli != ':') { /* don't need argument */
102 } else { /* need an argument */
103 if (*place) /* no white space */
105 else if (nargc <= ++opj_optind) { /* no arg */
111 "%s: option requires an argument -- %c\n",
112 __progname, opj_optopt);
115 } else /* white space */
116 opj_optarg = nargv[opj_optind];
120 return (opj_optopt); /* dump back option letter */
124 int opj_getopt_long(int argc, char * const argv[], const char *optstring,
125 const opj_option_t *longopts, int totlen) {
126 static int lastidx,lastofs;
132 if (opj_optind >= argc || !argv[opj_optind] || *argv[opj_optind]!='-')
135 if (argv[opj_optind][0]=='-' && argv[opj_optind][1]==0) {
136 if(opj_optind >= (argc - 1)){ /* no more input parameters */
139 else{ /* more input parameters */
140 if(argv[opj_optind + 1][0] == '-'){
141 param = 0; /* Missing parameter after '-' */
154 if (argv[opj_optind][0]=='-') { /* long option */
155 char* arg=argv[opj_optind]+1;
156 const opj_option_t* o;
158 len=sizeof(longopts[0]);
161 arg = argv[opj_optind+1];
165 arg = argv[opj_optind]+1;
168 for (i=0;i<totlen;i=i+len,o++) {
169 if (!strcmp(o->name,arg)) { /* match */
170 if (o->has_arg == 0) {
171 if ((argv[opj_optind+1])&&(!(argv[opj_optind+1][0]=='-'))){
172 fprintf(stderr,"%s: option does not require an argument. Ignoring %s\n",arg,argv[opj_optind+1]);
176 opj_optarg=argv[opj_optind+1];
178 if (opj_optarg[0] == '-'){ /* Has read next input parameter: No arg for current parameter */
180 fprintf(stderr,"%s: option requires an argument\n",arg);
185 if (!opj_optarg && o->has_arg==1) { /* no argument there */
187 fprintf(stderr,"%s: option requires an argument \n",arg);
200 }//(end for)String not found in the list
201 fprintf(stderr,"Invalid option %s\n",arg);
204 }else{ /*Single character input parameter*/
205 if (*optstring==':') return ':';
206 if (lastidx!=opj_optind) {
207 lastidx=opj_optind; lastofs=0;
209 opj_optopt=argv[opj_optind][lastofs+1];
210 if ((tmp=strchr(optstring,opj_optopt))) {/*Found input parameter in list*/
211 if (*tmp==0) { /* apparently, we looked for \0, i.e. end of argument */
215 if (tmp[1]==':') { /* argument expected */
216 if (tmp[2]==':' || argv[opj_optind][lastofs+2]) { /* "-foo", return "oo" as opj_optarg */
217 if (!*(opj_optarg=argv[opj_optind]+lastofs+2)) opj_optarg=0;
220 opj_optarg=argv[opj_optind+1];
222 if (opj_optarg[0] == '-'){ /* Has read next input parameter: No arg for current parameter */
224 fprintf(stderr,"%s: option requires an argument\n",arg);
229 if (!opj_optarg) { /* missing argument */
231 fprintf(stderr,"%s: option requires an argument\n",arg);
236 }else {/*Argument not expected*/
243 } else { /* not found */
244 fprintf(stderr,"Invalid option %s\n",arg);
249 }// end of single character
251 fprintf(stderr,"Invalid option\n");