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Annotation of src/usr.bin/getopt/getopt.c, Revision 1.9

1.9     ! deraadt     1: /*     $OpenBSD: getopt.c,v 1.8 2009/10/27 23:59:38 deraadt Exp $      */
1.7       jmc         2:
                      3: /*
                      4:  * This material, written by Henry Spencer, was released by him
                      5:  * into the public domain and is thus not subject to any copyright.
                      6:  */
1.1       deraadt     7:
                      8: #include <stdio.h>
1.6       david       9: #include <stdlib.h>
1.4       deraadt    10: #include <unistd.h>
1.9     ! deraadt    11: #include <err.h>
1.1       deraadt    12:
1.4       deraadt    13: int
1.5       deraadt    14: main(int argc, char *argv[])
1.1       deraadt    15: {
                     16:        extern int optind;
                     17:        extern char *optarg;
                     18:        int c;
                     19:        int status = 0;
1.9     ! deraadt    20:
        !            21:        if (tame("stdio", NULL) == -1)
        !            22:                err(1, "tame");
1.1       deraadt    23:
                     24:        optind = 2;     /* Past the program name and the option letters. */
1.3       millert    25:        while ((c = getopt(argc, argv, argv[1])) != -1)
1.1       deraadt    26:                switch (c) {
                     27:                case '?':
                     28:                        status = 1;     /* getopt routine gave message */
                     29:                        break;
                     30:                default:
                     31:                        if (optarg != NULL)
                     32:                                printf(" -%c %s", c, optarg);
                     33:                        else
                     34:                                printf(" -%c", c);
                     35:                        break;
                     36:                }
                     37:        printf(" --");
                     38:        for (; optind < argc; optind++)
                     39:                printf(" %s", argv[optind]);
                     40:        printf("\n");
                     41:        exit(status);
                     42: }