FreeCalypso > hg > themwi-system-sw

annotate libutil/extdigits.c @ 112:6aa63cf4620a

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sip-in call clearing: select timeout implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 28 Sep 2022 18:59:55 -0800
parents b13acb024fc6
children
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b13acb024fc6 libutil: add is_valid_ext_digit()
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
b13acb024fc6 libutil: add is_valid_ext_digit()
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2 * The library function implemented in this module checks "extended"
b13acb024fc6 libutil: add is_valid_ext_digit()
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3 * number digits, i.e., checks whether or not a given character
b13acb024fc6 libutil: add is_valid_ext_digit()
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4 * makes a valid "extended" number digit.
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5 */
b13acb024fc6 libutil: add is_valid_ext_digit()
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6
b13acb024fc6 libutil: add is_valid_ext_digit()
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7 is_valid_ext_digit(c)
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8 {
b13acb024fc6 libutil: add is_valid_ext_digit()
Mychaela Falconia <falcon@freecalypso.org>
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9 switch (c) {
b13acb024fc6 libutil: add is_valid_ext_digit()
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10 case '0':
b13acb024fc6 libutil: add is_valid_ext_digit()
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11 case '1':
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12 case '2':
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13 case '3':
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14 case '4':
b13acb024fc6 libutil: add is_valid_ext_digit()
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15 case '5':
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16 case '6':
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17 case '7':
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18 case '8':
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19 case '9':
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20 case '*':
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21 case '#':
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22 case 'a':
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23 case 'b':
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24 case 'c':
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25 return(1);
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26 default:
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27 return(0);
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28 }
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29 }