explain_sethostname_or_die3
Get/set hostname and report errors
Usage
#include <libexplain/sethostname.h>
void explain_sethostname_or_die(const char *name, size_t name_size);
intexplain_sethostname_on_error(const char *name, size_t name_size);
Overview
The explain_sethostname_or_die function is used to call the sethostname(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_sethostname(3) function, and then the process terminates by calling exit(EXIT_FAILURE).
The explain_sethostname_on_error function is used to call the sethostname(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_sethostname(3) function, but still returns to the caller.
name
|
The name, exactly as to be passed to the sethostname(2) system call. |
|---|---|
name_size
|
The name_size, exactly as to be passed to the sethostname(2) system call. |
Return value
The explain_sethostname_or_die function only returns on success, see sethostname(2) for more information. On failure, prints an explanation and exits, it does not return.
The explain_sethostname_on_error function always returns the value return by the wrapped sethostname(2) system call.
Examples
The explain_sethostname_or_die function is intended to be used in a fashion similar to the following example:
explain_sethostname_or_die(name, name_size);Releases
6 releases since Debian 7 (Wheezy); the text changed 1 time.