1 | #include <stdio.h> |
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2 | #include <io.h> |
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3 | #include <fcntl.h> |
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4 | #include <sys/types.h> |
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5 | #include <sys/stat.h> |
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6 | |
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7 | int main( void ) |
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8 | { |
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9 | const char *name = "read-1.test"; |
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10 | |
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11 | char buf1[] = "\n\n\n"; |
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12 | char buf2[ sizeof( buf1 )]; |
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13 | int fd; |
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14 | int wrn; |
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15 | int rdn; |
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16 | int cmp; |
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17 | int failed; |
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18 | |
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19 | printf("Testing read() in text mode...\n"); |
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20 | |
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21 | fd = open( name, O_RDWR | O_CREAT | O_TEXT, S_IREAD | S_IWRITE ); |
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22 | |
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23 | wrn = write( fd, buf1, sizeof( buf1 )); |
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24 | |
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25 | lseek( fd, 0, SEEK_SET ); |
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26 | rdn = read( fd, buf2, sizeof( buf1 )); |
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27 | |
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28 | cmp = memcmp( buf1, buf2, sizeof( buf1 )); |
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29 | |
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30 | failed = wrn != sizeof( buf1 ) || rdn != sizeof( buf1 ) || cmp != 0; |
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31 | |
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32 | printf("%s: wrn = %d(%d), rdn = %d(%d), cmp = %d(%d)\n", |
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33 | failed ? "FAILED" : "PASSED", wrn, sizeof( buf1 ), |
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34 | rdn, sizeof( buf1 ), cmp, 0 ); |
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35 | |
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36 | close( fd ); |
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37 | |
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38 | return failed; |
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39 | } |
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