Last change
on this file since 6099cac 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:
999 bytes
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1 | /*
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2 | ============================================================================
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3 | flread.c -- read a long buffer
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4 | Version 2 -- 1987-07-09 -- 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 | #define CHUNK 32256 /* largest practical sized chunk of data */
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11 |
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12 | /*
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13 | ============================================================================
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14 | flread(buff, len, fp) -- Reads 'len' bytes into 'buff' from file 'fp'.
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15 |
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16 | Returns SUCCESS (0) if OK, EOF (-1) on end of file.
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17 | ============================================================================
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18 | */
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19 |
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20 | int16_t flread(int8_t *buff, int32_t len, FILE *fp)
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21 | {
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22 | register int16_t ilen;
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23 |
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24 | while (len > 0L) {
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25 |
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26 | if (len GE (int32_t)CHUNK) {
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27 |
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28 | if (1 NE fread(buff, CHUNK, 1, fp))
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29 | return(EOF);
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30 |
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31 | buff += (int32_t)CHUNK;
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32 | len -= (int32_t)CHUNK;
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33 |
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34 | } else {
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35 |
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36 | ilen = (int16_t)len;
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37 |
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38 | if (1 NE fread(buff, ilen, 1, fp))
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39 | return(EOF);
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40 |
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41 | len = 0L;
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42 | }
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43 | }
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44 |
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45 | return(SUCCESS);
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46 | }
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47 |
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48 |
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