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62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
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/*
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* This is part of a changed public domain getopt implementation that
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* had the following text on top:
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*
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* I got this off net.sources from Henry Spencer.
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* It is a public domain getopt(3) like in System V.
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* I have made the following modifications:
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*
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* A test main program was added, ifdeffed by GETOPT.
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* This main program is a public domain implementation
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* of the getopt(1) program like in System V. The getopt
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* program can be used to standardize shell option handling.
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* e.g. cc -DGETOPT getopt.c -o getopt
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define ARGCH ':'
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#define BADCH '?'
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#define ENDARGS "--"
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int main (int argc, char **argv)
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{
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char *optstring = argv[1];
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char *argv0 = argv[0];
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int opterr = 0;
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int C;
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char *opi;
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if (argc == 1) {
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fprintf (stderr, "Usage: %s optstring args\n", argv0);
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exit (1);
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}
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argv++;
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argc--;
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argv[0] = argv0;
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while ((C = getopt (argc, argv, optstring)) != EOF) {
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if (C == BADCH)
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opterr++;
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printf ("-%c ", C);
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opi = strchr (optstring, C);
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if (opi && opi[1] == ARGCH)
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if (optarg)
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printf ("\"%s\" ", optarg);
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else
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opterr++;
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}
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printf ("%s", ENDARGS);
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while (optind < argc)
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printf (" \"%s\"", argv[optind++]);
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putchar ('\n');
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return opterr;
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}
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