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fix getopt_long error check
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@ -1684,7 +1684,7 @@ static int _process_switches(int *argc, char ***argv)
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optind = OPTIND_INIT;
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while ((ind = -1, c = GETOPTLONG_FN(*argc, *argv, "cCfGj:m:Mno:ru:Uv",
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long_options, NULL)) != -1) {
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if (ind == -1 || ind == ':' || ind == '?')
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if (c == ':' || c == '?')
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return 0;
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if (c == 'c' || c == 'C' || ind == COLS_ARG)
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_switches[COLS_ARG]++;
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