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lock.c
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C/C++ Source or Header
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1995-04-02
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383 b
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20 lines
/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
#include <io.h>
#include <errno.h>
int
lock(int fd, long offset, long length)
{
int ret = _dos_lock(fd, offset, length);
/* change return code because Borland does it this way */
if (ret == 0x21)
ret = EACCES;
if (ret != 0)
{
errno = ret;
return -1;
}
else
return 0;
}