STRLEN_USER

Section: Memory Management in Linux (9)
Updated: February 2011
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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.  

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