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35 /* last review : october 29th, 2002 */
37 #if defined(LIBC_SCCS) && !defined(lint)
38 static char sccsid[] = "@(#)opj_getopt.c 8.3 (Berkeley) 4/27/95";
39 #endif /* LIBC_SCCS and not lint */
44 #include "opj_getopt.h"
46 int opj_opterr = 1, /* if error message should be printed */
47 opj_optind = 1, /* index into parent argv vector */
48 opj_optopt, /* character checked for validity */
49 opj_optreset; /* reset getopt */
50 char *opj_optarg; /* argument associated with option */
52 #define BADCH (int)'?'
53 #define BADARG (int)':'
54 static char EMSG[] = {""};
56 /* As this class remembers its values from one Java call to the other, reset the values before each use */
57 void opj_reset_options_reading(void)
65 * Parse argc/argv argument vector.
67 int opj_getopt(int nargc, char *const *nargv, const char *ostr)
69 # define __progname nargv[0]
70 static char *place = EMSG; /* option letter processing */
71 const char *oli = NULL; /* option letter list index */
73 if (opj_optreset || !*place) { /* update scanning pointer */
75 if (opj_optind >= nargc || *(place = nargv[opj_optind]) != '-') {
79 if (place[1] && *++place == '-') { /* found "--" */
84 } /* option letter okay? */
85 if ((opj_optopt = (int) * place++) == (int) ':' ||
86 !(oli = strchr(ostr, opj_optopt))) {
88 * if the user didn't specify '-' as an option,
91 if (opj_optopt == (int) '-') {
97 if (opj_opterr && *ostr != ':') {
99 "%s: illegal option -- %c\n", __progname, opj_optopt);
103 if (*++oli != ':') { /* don't need argument */
108 } else { /* need an argument */
109 if (*place) { /* no white space */
111 } else if (nargc <= ++opj_optind) { /* no arg */
118 "%s: option requires an argument -- %c\n",
119 __progname, opj_optopt);
122 } else { /* white space */
123 opj_optarg = nargv[opj_optind];
128 return (opj_optopt); /* dump back option letter */
132 int opj_getopt_long(int argc, char * const argv[], const char *optstring,
133 const opj_option_t *longopts, int totlen)
135 static int lastidx, lastofs;
141 if (opj_optind >= argc || !argv[opj_optind] || *argv[opj_optind] != '-') {
145 if (argv[opj_optind][0] == '-' && argv[opj_optind][1] == 0) {
146 if (opj_optind >= (argc - 1)) { /* no more input parameters */
148 } else { /* more input parameters */
149 if (argv[opj_optind + 1][0] == '-') {
150 param = 0; /* Missing parameter after '-' */
162 if (argv[opj_optind][0] == '-') { /* long option */
163 char* arg = argv[opj_optind] + 1;
164 const opj_option_t* o;
166 len = sizeof(longopts[0]);
169 arg = argv[opj_optind + 1];
172 arg = argv[opj_optind] + 1;
175 if (strlen(arg) > 1) {
176 for (i = 0; i < totlen; i = i + len, o++) {
177 if (!strcmp(o->name, arg)) { /* match */
178 if (o->has_arg == 0) {
179 if ((argv[opj_optind + 1]) && (!(argv[opj_optind + 1][0] == '-'))) {
180 fprintf(stderr, "%s: option does not require an argument. Ignoring %s\n", arg,
181 argv[opj_optind + 1]);
185 opj_optarg = argv[opj_optind + 1];
188 '-') { /* Has read next input parameter: No arg for current parameter */
190 fprintf(stderr, "%s: option requires an argument\n", arg);
195 if (!opj_optarg && o->has_arg == 1) { /* no argument there */
197 fprintf(stderr, "%s: option requires an argument \n", arg);
211 }/*(end for)String not found in the list*/
212 fprintf(stderr, "Invalid option %s\n", arg);
215 } else { /*Single character input parameter*/
216 if (*optstring == ':') {
219 if (lastidx != opj_optind) {
220 lastidx = opj_optind;
223 opj_optopt = argv[opj_optind][lastofs + 1];
224 if ((tmp = strchr(optstring, opj_optopt))) { /*Found input parameter in list*/
225 if (*tmp == 0) { /* apparently, we looked for \0, i.e. end of argument */
229 if (tmp[1] == ':') { /* argument expected */
231 argv[opj_optind][lastofs + 2]) { /* "-foo", return "oo" as opj_optarg */
232 if (!*(opj_optarg = argv[opj_optind] + lastofs + 2)) {
237 opj_optarg = argv[opj_optind + 1];
240 '-') { /* Has read next input parameter: No arg for current parameter */
242 fprintf(stderr, "%s: option requires an argument\n", arg);
247 if (!opj_optarg) { /* missing argument */
249 fprintf(stderr, "%s: option requires an argument\n", arg);
254 } else {/*Argument not expected*/
261 } else { /* not found */
262 fprintf(stderr, "Invalid option %s\n", arg);
265 }/*end of not found*/
267 }/* end of single character*/
269 fprintf(stderr, "Invalid option\n");