usr/klibc/gethostname.c

/*
 * gethostname.c
 */

#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <sys/utsname.h>

int gethostname(char *name, size_t len)
{
	struct utsname un;

	if (uname(&un))
		return -1;

	if (len < strlen(un.nodename) + 1) {
		errno = EINVAL;
		return -1;
	}

	strcpy(name, un.nodename);

	return 0;
}