Name
strnlen_user —
Get the size of a string in user space.
Synopsis
long strnlen_user (const char __user * s, long n);
Arguments
s
The string to measure.
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.