FreeCalypso > hg > themwi-system-sw
annotate libutil/nanp_valid.c @ 48:8117d8ee44a5
sip-in: beginning of INVITE handling
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 06 Sep 2022 22:07:51 -0800 |
parents | b1c364729a93 |
children | 81958b35f74d |
rev | line source |
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b1c364729a93
libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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1 /* |
b1c364729a93
libutil: add NANP number validation function
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2 * Utility functions for NANP number validation. |
b1c364729a93
libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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3 */ |
b1c364729a93
libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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4 |
b1c364729a93
libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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5 is_nanp_valid_prefix(s) |
b1c364729a93
libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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6 char *s; |
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libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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7 { |
b1c364729a93
libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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8 /* validate NPA part */ |
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libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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9 if (s[0] < '2') |
b1c364729a93
libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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10 return(0); |
b1c364729a93
libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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11 if (s[1] == '1' && s[2] == '1') |
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libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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12 return(0); |
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libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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13 if (s[1] == '9') |
b1c364729a93
libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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14 return(0); |
b1c364729a93
libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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15 /* validate exchange part */ |
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libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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16 if (s[3] < '2') |
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libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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17 return(0); |
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libutil: add NANP number validation function
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18 if (s[4] == '1' && s[5] == '1') |
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libutil: add NANP number validation function
Mychaela Falconia <falcon@freecalypso.org>
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19 return(0); |
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Mychaela Falconia <falcon@freecalypso.org>
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20 /* all checks passed */ |
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Mychaela Falconia <falcon@freecalypso.org>
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21 return(1); |
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libutil: add NANP number validation function
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22 } |