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less: add a bit more robustness in keyboard reading code
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@ -699,10 +699,11 @@ static int less_getch(void)
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char input[16];
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unsigned i;
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again:
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memset(input, 0, sizeof(input));
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getch_nowait(input, sizeof(input));
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/* Detect escape sequences (i.e. arrow keys) and handle
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* them accordingly */
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if (input[0] == '\033' && input[1] == '[') {
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set_tty_cooked();
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i = input[2] - REAL_KEY_UP;
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@ -740,6 +741,7 @@ static char* less_gets(int sz)
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* but it is needed. Is it because of stdio? */
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tcsetattr(kbd_fd, TCSANOW, &term_less);
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c = '\0';
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read(kbd_fd, &c, 1);
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if (c == 0x0d)
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return result;
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