75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
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#include <stdio.h>
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#include <windef.h>
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#include <winbase.h>
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#include <nls.h>
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#include "nlstxt.h"
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char * optarg;
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int optind = 1;
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int optinx = 1;
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int opterr;
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int
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getopt(
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int ac,
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char * av[],
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char * opts_allowed)
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{
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char option;
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static char NoOpt[] = "";
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optarg = NoOpt;
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if (optind >= ac)
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return(-1);
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if (*av[optind] != '-')
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return(-1);
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option = av[optind][optinx];
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while ((*opts_allowed ) && (*opts_allowed != option))
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opts_allowed ++;
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if (!*opts_allowed)
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{
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NlsPutMsg(STDOUT, LIBUEMUL_OPTION_INVALID, option);
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return((int) '?');
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}
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if ( *(opts_allowed + 1) == ':') // there's an argument
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{
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if (av[optind][optinx+1] == '\0') // the argument is in the next av[]
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{
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optind++;
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optinx = 1;
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optarg = av[optind];
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}
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else
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{
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optarg = &av[optind][optinx+1];
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}
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if (optarg == NULL)
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{
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NlsPutMsg(STDOUT, LIBUEMUL_OPTION_MORE_ARGS, option);
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optarg = NoOpt;
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return((int) '?');
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}
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optind++;
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optinx = 1;
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}
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else
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{
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if (av[optind][optinx+1] == '\0') // no more args for this -
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{
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optind++;
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optinx = 1;
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}
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else // more args for this -
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{
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optinx++;
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}
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}
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return((int) option);
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}
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