proc_dostring(9)
NAME
proc_dostring - read a string sysctl
SYNOPSIS
int proc_dostring(struct ctl_table * table, int write,
struct file * filp, void __user * buffer,
size_t * lenp, loff_t * ppos);
ARGUMENTS
- table
- the sysctl table
- write
TRUE if this is a write to the sysctl file- filp
- the file structure
- buffer
- the user buffer
- lenp
- the size of the user buffer
- ppos
- file position
DESCRIPTION
Reads/writes a string from/to the user buffer. If the kernel buffer
provided is not large enough to hold the string, the string is
truncated. The copied string is NULL-terminated. If the string is being
read by the user process, it is copied and a newline ´\n´ is added. It
is truncated if the buffer is not large enough.
Returns 0 on success.