copyoutstr - General: Copies a null-terminated string from
a kernel address space to a user address space
int *lencopied );
Specifies the address in kernel space of the null-terminated
string to be copied. Specifies the address in user
space to copy the null-terminated string to. Specifies
the maximum number of bytes to copy. Specifies the actual
length of the string copied.
The copyoutstr routine copies a specified null-terminated
string from the protected kernel address space to the
unprotected user address space.
If the string being copied is not null-terminated, copyoutstr
copies maxlength bytes into the user address space.
Upon successful completion, copyoutstr returns the value 0
(zero) and the actual length of the string copied in
lencopied. Otherwise, it can return the following errors:
The address in kernel space that you specified in the kernel_src
argument cannot be accessed. The length of the
string exceeds the maxlength value.
[ Back ]