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annotate uptools/libcoding/gsmtime.c @ 963:b515a97e5dff

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sms-pdu-decode family: fix VP-Relative header spacing When VP-Relative is small enough to be reckoned in 5 min or 30 min units, it was printed incorrectly, with a cosmetic defect of one extra space. Fix this bug.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 28 Aug 2023 03:52:53 +0000
parents f40530e2d48d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
334
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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1 /*
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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2 * This library module implements decoding of GSM timestamps.
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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3 */
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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4
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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5 #include <sys/types.h>
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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6 #include <stdio.h>
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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7
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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8 gsm_timestamp_decode(inbuf, outbuf)
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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9 u_char *inbuf;
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10 char *outbuf;
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11 {
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12 u_char rev[7];
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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13 int i, d1, d2, tzsign;
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14
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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15 for (i = 0; i < 7; i++) {
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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16 d1 = inbuf[i] & 0xF;
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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17 d2 = inbuf[i] >> 4;
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18 rev[i] = (d1 << 4) | d2;
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19 }
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20 if (rev[6] & 0x80) {
f40530e2d48d uptools/libcoding: GSM timestamp decoding implemented
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21 rev[6] &= 0x7F;
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22 tzsign = '-';
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23 } else
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24 tzsign = '+';
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25 sprintf(outbuf, "%02X/%02X/%02X,%02X:%02X:%02X%c%02X", rev[0], rev[1],
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26 rev[2], rev[3], rev[4], rev[5], tzsign, rev[6]);
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27 }