COMPAT_SYSCALL_DEFINE3

Name:COMPAT_SYSCALL_DEFINE3

Proto:COMPAT_SYSCALL_DEFINE3(getdents, unsigned int, fd, struct compat_linux_dirent __user *, dirent, unsigned int, count)

Type:

Parameter:Nothing

529

__user * lastdirent

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struct compat_getdents_callback buf = {actor = compat_filldir, current_dir = dirent, count = () counts the number of strings in array ARGV.}

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If Not access_ok - Checks if a user space pointer is valid*@addr: User space pointer to start of block to check*@size: Size of block to check* Context: User context only. This function may sleep if pagefaults are* enabled.(dirent, () counts the number of strings in array ARGV.) Then Return -EFAULT

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f = fdget_pos(fd)

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If Not file Then Return -EBADF

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error = iterate_dir(file, & ctx)

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If error >= 0 Then error = error

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lastdirent = previous

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If lastdirent Then

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If Write a simple value into user space(pos, & d_off) Then error = -EFAULT

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Else error = () counts the number of strings in array ARGV. - count

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Return error

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