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annotate uptools/libcoding/scaddr.c @ 954:21604c3413c1

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rvinterf: disallow -Petmoff mode
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 07 Jun 2023 20:15:43 +0000
parents ea41b6001848
children
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332
ea41b6001848 uptools/libcoding: SC address decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
ea41b6001848 uptools/libcoding: SC address decoding implemented
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2 * This library module contains the code that figures out how many digits
ea41b6001848 uptools/libcoding: SC address decoding implemented
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3 * are there in a PDU-encoded Service Centre address.
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4 */
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5
ea41b6001848 uptools/libcoding: SC address decoding implemented
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6 #include <sys/types.h>
ea41b6001848 uptools/libcoding: SC address decoding implemented
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7
ea41b6001848 uptools/libcoding: SC address decoding implemented
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8 sc_addr_ndigits(sca)
ea41b6001848 uptools/libcoding: SC address decoding implemented
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9 u_char *sca;
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10 {
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11 unsigned nb, nd;
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12
ea41b6001848 uptools/libcoding: SC address decoding implemented
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13 nb = sca[0];
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14 nd = (nb - 1) * 2;
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15 if ((sca[nb] & 0xF0) == 0xF0)
ea41b6001848 uptools/libcoding: SC address decoding implemented
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16 nd--;
ea41b6001848 uptools/libcoding: SC address decoding implemented
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17 return nd;
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18 }