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[/] [or1k/] [trunk/] [uclinux/] [uC-libc/] [sysdeps/] [telldir.c] - Blame information for rev 1771

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Line No. Rev Author Line
1 199 simons
#define lseek __normal_lseek
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#include <unistd.h>
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#include <syscall.h>
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#include <errno.h>
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#undef lseek
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#include "dirstream.h"
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static inline
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_syscall3(off_t,lseek,int,fildes,off_t,offset,int,origin)
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off_t
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telldir(DIR * dir)
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{
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  off_t offset;
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  if (!dir) {
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    errno = EBADF;
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    return -1;
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  }
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  switch (dir->dd_getdents)
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  {
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  case no_getdents:
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    /* We are running the old kernel. This is the starting offset
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       of the next readdir(). */
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    offset = lseek(dir->dd_fd, 0, SEEK_CUR);
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    break;
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  case unknown:
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    /* readdir () is not called yet. but seekdir () may be called. */
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  case have_getdents:
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    /* The next entry. */
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    offset = dir->dd_nextoff;
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    break;
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  default:
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    errno = EBADF;
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    offset = -1;
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  }
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  return offset;
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}

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