| STRLEN_USER(9) | Memory Management in Linux | STRLEN_USER(9) |
NAME¶
strlen_user - Get the size of a string in user space.
SYNOPSIS¶
strlen_user(str);
ARGUMENTS¶
str
The string to measure.
CONTEXT¶
User context only. This function may sleep.
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 there is a limit on the length of a valid string, you may wish to consider using strnlen_user instead.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |