Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

NAME

       strlen_user - Get the size of a string in user space.

SYNOPSIS

       strlen_user  (str);

ARGUMENTS

       str    The string to measure.

CONTEXT

       User context only. This function may sleep.

DESCRIPTION

       Get the size of a NUL-terminated string in user space.

       Returns  the  size  of  the  string  INCLUDING  the terminating NUL. On
       exception, returns 0.

       If there is a limit on the length of a valid string, you  may  wish  to
       consider using strnlen_user instead.