strnlen_user
Name
strnlen_user -- Get the size of a string in user space.
Synopsis
long strnlen_user (const char * s, long n);
Arguments
s -- undescribed --
n The maximum valid length
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 the string is too long, returns a value greater than n.