tail: allow tail -n 0 or tail -0
fix a crash, but allow this option.
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d583d12300
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3
tail.c
3
tail.c
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@ -106,6 +106,9 @@ main(int argc, char *argv[])
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usage();
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usage();
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} ARGEND;
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} ARGEND;
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if (!num)
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return 0;
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if (!argc)
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if (!argc)
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tail(stdin, "<stdin>");
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tail(stdin, "<stdin>");
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else {
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else {
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