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STRNLEN_USER(9) | Memory Management in Linux | STRNLEN_USER(9) |
NAME¶
strnlen_user - Get the size of a string in user space.SYNOPSIS¶
long
strnlen_user(const char __user * s,
long n);
ARGUMENTS¶
sThe 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.COPYRIGHT¶
March 2016 | Kernel Hackers Manual 3.2. |