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tweaks: trim some comments, and simplify a condition
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commit
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34
src/winio.c
34
src/winio.c
@ -1241,50 +1241,36 @@ long get_unicode_kbinput(WINDOW *win, int kbinput)
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switch (uni_digits) {
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case 1:
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/* First digit: This must be zero or one. Put it in the
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* 0x100000's position of the Unicode sequence holder. */
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if ('0' <= kbinput && kbinput <= '1')
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/* The first digit must be zero or one. Put it in the
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* 0x100000's position of the Unicode sequence holder.
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* Otherwise, return the character itself as the result. */
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if (kbinput == '0' || kbinput == '1')
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uni = (kbinput - '0') * 0x100000;
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else
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/* This isn't the first digit of a Unicode sequence.
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* Return this character as the result. */
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retval = kbinput;
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break;
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case 2:
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/* Second digit: This must be zero if the first was one, and
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* may be any hexadecimal value if the first was zero. Put
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* it in the 0x10000's position of the Unicode sequence
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* holder. */
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if (uni == 0 || '0' == kbinput)
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/* The second digit must be zero if the first was one, but
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* may be any hexadecimal value if the first was zero. */
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if (kbinput == '0' || uni == 0)
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retval = add_unicode_digit(kbinput, 0x10000, &uni);
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else
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/* This isn't the second digit of a Unicode sequence.
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* Return this character as the result. */
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retval = kbinput;
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break;
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case 3:
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/* Third digit: This may be any hexadecimal value. Put it
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* in the 0x1000's position of the Unicode sequence
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* holder. */
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/* Later digits may be any hexadecimal value. */
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retval = add_unicode_digit(kbinput, 0x1000, &uni);
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break;
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case 4:
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/* Fourth digit: This may be any hexadecimal value. Put it
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* in the 0x100's position of the Unicode sequence
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* holder. */
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retval = add_unicode_digit(kbinput, 0x100, &uni);
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break;
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case 5:
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/* Fifth digit: This may be any hexadecimal value. Put it
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* in the 0x10's position of the Unicode sequence holder. */
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retval = add_unicode_digit(kbinput, 0x10, &uni);
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break;
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case 6:
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/* Sixth digit: This may be any hexadecimal value. Put it
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* in the 0x1's position of the Unicode sequence holder. */
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retval = add_unicode_digit(kbinput, 0x1, &uni);
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/* If this character is a valid hexadecimal value, then the
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* Unicode sequence is complete. */
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/* If also the sixth digit was a valid hexadecimal value, then
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* the Unicode sequence is complete, so return it. */
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if (retval == ERR)
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retval = uni;
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break;
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