4.104.114.84.95
Last change
on this file since 2ada69a was
0895bdb,
checked in by Joel Sherrill <joel.sherrill@…>, on 11/23/98 at 18:57:48
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Added tests in support of the file system infrastructure.
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-
Property mode set to
100644
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File size:
1.0 KB
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Line | |
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1 | /* |
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2 | * A test support function which performs a write() and |
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3 | * handles implied open(), lseek(), write(), and close() operations. |
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4 | * |
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5 | * $Id$ |
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6 | */ |
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7 | |
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8 | #include <stdio.h> |
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9 | |
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10 | #include <sys/types.h> |
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11 | #include <sys/stat.h> |
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12 | #include <fcntl.h> |
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13 | #include <unistd.h> |
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14 | #include <errno.h> |
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15 | #include <string.h> |
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16 | |
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17 | #include <assert.h> |
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18 | |
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19 | /* |
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20 | * test_write routine |
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21 | */ |
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22 | |
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23 | void test_write( |
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24 | char *file, |
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25 | off_t offset, |
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26 | char *buffer |
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27 | ) |
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28 | { |
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29 | int fd; |
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30 | int status; |
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31 | int length; |
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32 | |
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33 | |
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34 | length = strlen( buffer ); |
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35 | |
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36 | fd = open( file, O_WRONLY ); |
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37 | if ( fd == -1 ) { |
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38 | printf( "test_write: open( %s ) failed : %s\n", file, strerror( errno ) ); |
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39 | exit( 0 ); |
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40 | } |
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41 | |
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42 | status = lseek( fd, offset, SEEK_SET ); |
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43 | assert( !status ); |
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44 | |
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45 | status = write( fd, buffer, length ); |
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46 | if ( status == -1 ) { |
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47 | printf( "test_write: write( %s ) failed : %s\n", file, strerror( errno ) ); |
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48 | exit( 0 ); |
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49 | } |
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50 | |
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51 | if ( status != length ) { |
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52 | printf( "test_write: write( %s ) only wrote %d of %d bytes\n", |
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53 | file, status, length ); |
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54 | exit( 0 ); |
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55 | } |
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56 | |
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57 | status = close( fd ); |
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58 | assert( !status ); |
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59 | } |
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