Last change
on this file since 703d4d0 was 8973acd, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
No more warnings in libcio.
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-
Property mode
set to
100644
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File size:
897 bytes
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1 | /*
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2 | =============================================================================
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3 | conin.c -- read from the console
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4 | Version 6 -- 1987-06-30 -- D.N. Lynx Crowe
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5 | =============================================================================
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6 | */
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7 |
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8 | #include "ram.h"
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9 |
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10 | uint8_t _ConBuf[258]; /* console input buffer */
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11 | int16_t _CBused;
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12 |
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13 | int16_t _conin(io_arg arg, void *buff, int16_t len)
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14 | {
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15 | int16_t nbp;
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16 | register int16_t l;
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17 |
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18 | (void)arg;
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19 |
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20 | if (_ConBuf[1] EQ 0) {
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21 |
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22 | _ConBuf[0] = 255;
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23 | _ConBuf[1] = _ConBuf[2] = 0;
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24 |
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25 | readbuf(CON_DEV, (int8_t *)_ConBuf);
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26 | writeln(CON_DEV, "\r\n");
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27 |
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28 | if (_ConBuf[2] EQ 0x1a) {
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29 |
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30 | _ConBuf[1] = 0;
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31 | return(0);
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32 | }
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33 |
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34 | nbp = ++_ConBuf[1];
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35 | _ConBuf[nbp++ + 1] = '\r';
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36 | _ConBuf[nbp + 1] = '\n';
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37 | _CBused = 2;
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38 | }
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39 |
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40 | if ((l = _ConBuf[1]) > len)
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41 | l = len;
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42 |
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43 | memcpy(buff, (_ConBuf + _CBused), l);
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44 | _CBused += l;
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45 | _ConBuf[1] = (uint8_t)(_ConBuf[1] - l);
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46 | return (l);
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47 | }
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48 |
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