Check at least one context is specified
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@ -662,6 +662,9 @@ int tar_main(int argc, char **argv)
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if(opt & 0x80000000UL)
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bb_show_usage();
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ctx_flag = opt & (CTX_CREATE | CTX_TEST | CTX_EXTRACT);
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if (ctx_flag == 0) {
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bb_show_usage();
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}
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if(ctx_flag & CTX_TEST) {
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if ((tar_handle->action_header == header_list) ||
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(tar_handle->action_header == header_verbose_list)) {
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