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Viewing changes to tests/ftruncate.c

  • Committer: Chuck Short
  • Date: 2010-09-28 20:38:39 UTC
  • Revision ID: zulcss@ubuntu.com-20100928203839-pgjulytsi9ue63x1
Initial version

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tests/ftruncate.c
 
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/* test whether ftruncte() can extend a file */
 
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#if defined(HAVE_UNISTD_H)
 
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#include <unistd.h>
 
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#endif
 
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#include <sys/types.h>
 
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#include <sys/stat.h>
 
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#include <fcntl.h>
 
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#define DATA "conftest.trunc"
 
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#define LEN 7663
 
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main()
 
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{
 
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        int *buf;
 
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        int fd = open(DATA,O_RDWR|O_CREAT|O_TRUNC,0666);
 
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        if (fd == -1) {
 
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                exit(1);
 
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        }
 
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        ftruncate(fd, LEN);
 
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        unlink(DATA);
 
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        if (lseek(fd, 0, SEEK_END) == LEN) {
 
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                exit(0);
 
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        }
 
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        exit(1);
 
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}