FreeCalypso > hg > freecalypso-tools

annotate uptools/libcoding/scaddr.c @ 921:74d284add54d

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fc-fsio: guard against bogus readdir results from the target If the FFS being operated on contains SE K2x0 extended filenames, readdir will return strings that are bad for printing. We need to guard against this possibility, and also against possible other bogosity that could be sent by other alien firmwares.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 31 Dec 2022 22:55:23 +0000
parents ea41b6001848
children
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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.
ea41b6001848 uptools/libcoding: SC address decoding implemented
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4 */
ea41b6001848 uptools/libcoding: SC address decoding implemented
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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;
ea41b6001848 uptools/libcoding: SC address decoding implemented
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10 {
ea41b6001848 uptools/libcoding: SC address decoding implemented
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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];
ea41b6001848 uptools/libcoding: SC address decoding implemented
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14 nd = (nb - 1) * 2;
ea41b6001848 uptools/libcoding: SC address decoding implemented
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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;
ea41b6001848 uptools/libcoding: SC address decoding implemented
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18 }