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annotate libcommon/globalopts.c @ 135:49f259cdb39e

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doc/User-oriented-commands: update for output redirection
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 21 Feb 2021 00:31:31 +0000
parents 91bcf84a5323
children
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91bcf84a5323 -p reader selection implemented in fc-pcsc-atr
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1 /*
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2 * This module implements parsing of global command line options.
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3 */
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4
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5 #include <stdio.h>
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6 #include <stdlib.h>
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7 #include <unistd.h>
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8
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9 extern unsigned select_reader_num;
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10
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11 parse_global_options(argc, argv)
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12 char **argv;
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13 {
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14 extern char *optarg;
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15 int c;
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16
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17 while ((c = getopt(argc, argv, "+p:")) != EOF) {
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18 switch (c) {
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19 case 'p':
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20 select_reader_num = atoi(optarg);
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21 continue;
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22 case '?':
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23 default:
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24 /* error msg already printed */
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25 exit(1);
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26 }
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27 }
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28 return(0);
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29 }