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