tools/env: fail on invalid options
Signed-off-by: Daniel Hobi <daniel.hobi@schmid-telecom.ch>
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@ -105,6 +105,10 @@ main(int argc, char *argv[])
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case 'h':
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usage();
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return EXIT_SUCCESS;
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default: /* '?' */
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fprintf(stderr, "Try `%s --help' for more information."
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"\n", cmdname);
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return EXIT_FAILURE;
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}
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}
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