Last change
on this file since 5f1d169 was 3ae31e9, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
Imported original source code.
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Property mode
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100755
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File size:
1.2 KB
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1 | /*
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2 | =============================================================================
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3 | fwrite.c -- write a stream file
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4 | Version 3 -- 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 "stdio.h"
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9 | #include "stddefs.h"
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10 |
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11 | /*
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12 | =============================================================================
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13 | fwrite(buffer, size, number, stream) -- write 'number' items of sixe
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14 | 'size' bytes from 'buffer' onto 'stream'. Returns the number of items
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15 | written. If 'number' or 'size' is negative, nothing is written, and
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16 | 0 is returned. EOF may cause the last item written to be imcomplete.
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17 | Check with feof() to detect an EOF condition. Use ferror() to check
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18 | for error conditions.
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19 | =============================================================================
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20 | */
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21 |
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22 | int
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23 | fwrite(buffer, size, number, stream)
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24 | register char *buffer;
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25 | register int size, number;
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26 | register FILE *stream;
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27 | {
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28 | register int i, j;
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29 |
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30 | if (size < 0) /* check size for validity */
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31 | return(0);
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32 |
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33 | if (number < 0) /* check number for validity */
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34 | return(0);
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35 |
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36 | for (i = 0; i < number; ++i)
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37 | for (j = 0; j < size; ++j)
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38 | if (putc(*buffer++, stream) EQ EOF)
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39 | return(i);
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40 |
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41 | return(number);
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42 | }
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43 |
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