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#include "lib.h"
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#include <sys/types.h>
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#include <unistd.h>
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#include <errno.h>
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#include "dir.h"
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int
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ftruncate(int fd, off_t length)
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{
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	Dir d;
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	if(length < 0){
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		errno = EINVAL;
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		return -1;
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	}
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	_nulldir(&d);
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	d.length = length;
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	if(_dirfwstat(fd, &d) < 0){
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		_syserrno();
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		return -1;
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	}
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	return 0;
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}