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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [libnetworking/] [rtems/] [sghostname.c] - Rev 173

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/*
 * RTEMS versions of hostname functions
 * FIXME: Not thread-safe
 *
 *  $Id: sghostname.c,v 1.2 2001-09-27 12:02:00 chris Exp $
 */
 
#include <string.h>
#include <errno.h>
#include <rtems/rtems_bsdnet.h>
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
 
static char *rtems_hostname;
 
int
gethostname (char *name, size_t namelen)
{
	char *cp = rtems_hostname;
 
	if (cp == NULL)
		cp = "";
	strncpy (name, cp, namelen);
	return 0;
}
 
int
sethostname (char *name, size_t namelen)
{
	char *old, *new;
 
	if (namelen >= MAXHOSTNAMELEN) {
		errno = EINVAL;
		return -1;
	}
	new = malloc (namelen + 1, M_HTABLE, M_NOWAIT);
	if (new == NULL) {
		errno = ENOMEM;
		return -1;
	}
	strncpy (new, name, namelen);
	new[namelen] = '\0';
	old = rtems_hostname;
	rtems_hostname = new;
	if (old)
		free (old, M_HTABLE);
	return 0;
}
 

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