void explain_truncate_or_die(const char *pathname, long long length);
DESCRIPTION
The explain_truncate_or_die function
is used to call the truncate(2) system
call. On failure an explanation will be
printed to stderr,
obtained from explain_truncate(3),
and then the process terminates
by calling exit(EXIT_FAILURE).
This function is intended to be used in a fashion
similar to the following example:
explain_truncate_or_die(pathname, length);
pathname
The pathname, exactly as to be passed to the truncate(2) system call.
length
The length, exactly as to be passed to the truncate(2) system call.
Returns:
This function only returns on success.
On failure, prints an explanation and exits.