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/******************************************************************************
(c) 1999 P.J.Caulfield patrick@tykepenguin.cix.co.uk
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
#include <netdnet/dn.h>
#include <netdnet/dnetdb.h>
static char nodetag[80],nametag[80],nodeadr[80],nodename[80];
static char asc_addr[6];
struct getnode_struct
{
FILE *fp;
char node[32];
};
/*--------------------------------------------------------------------------*/
void *dnet_getnode(void)
{
struct getnode_struct *gs = malloc(sizeof(struct getnode_struct));
if (!gs) return NULL;
if ((gs->fp = fopen(SYSCONF_PREFIX "/etc/decnet.conf","r")) == NULL)
{
fprintf(stderr, "dnet_htoa: Can not open " SYSCONF_PREFIX "/etc/decnet.conf\n");
return NULL;
}
return gs;
}
char *dnet_nextnode(void *g)
{
struct getnode_struct *gs = (struct getnode_struct *)g;
char line[256];
if (feof(gs->fp)) return NULL;
getloop:
if (fgets(line, sizeof(line), gs->fp))
{
char *l = line + strspn(line, " \t"); // Span blanks
if (l[0] == '#') goto getloop;
if (sscanf(line,"%s%s%s%s\n",nodetag,nodeadr,nametag,nodename) != 4) goto getloop;
strcpy(gs->node, nodename);
return gs->node;
}
else
{
return NULL;
}
}
void dnet_endnode(void *g)
{
struct getnode_struct *gs = (struct getnode_struct *)g;
fclose(gs->fp);
free(gs);
}
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