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/* gethostname.c
	
	Get hostname and domainname from the files which define them
	in /etc.
	by La Monte H. Yarroll ([email protected])
	Copyright (c) 1991 by Mark Williams Company
	Permission to use and redistribute is granted, provided the
	above copyright notice appears on all copies.
*/

#include <stdio.h>
#include "cron.h"

FILE *fopen();

#define ETC_HOSTNAME "/etc/uucpname"
#define ETC_DOMAIN "/etc/domain"
#define NIL ((unsigned char) NULL)

int gethostname(name, bufsize)
unsigned char	*name;		/* Host name */
int 		bufsize;	/* Maximum size of the host name */
{
	int 	i;
	FILE	*fp;
	
	if ( (fp = fopen(ETC_HOSTNAME, "r")) == NULL ) {
		Dprint("gethostname:  Can't open %s.\n", ETC_HOSTNAME);
		return (-1);
	}

	fgets(name, bufsize, fp);
	fclose(fp);

	/* Truncate at first newline. */
	for (i = 0;
	     (i < bufsize) && (name[i] != NIL) && (name[i] != '\n');
	     ++i ) {
	}

	if (i >= bufsize) {
		Dprint("gethostname:  %s\n", 
			"Found neither a NULL nor a newline.");
		return (-1);
	} else {
		name[i] = NIL;
	}
	return (0);
}

int getdomain(name, bufsize)
unsigned char 	*name;		/* Domain name */
int 		bufsize;	/* Maximum size of the domain name */
{
	int 	i;	
	FILE 	*fp;	
	
	if ( (fp = fopen(ETC_DOMAIN, "r")) == NULL ) {
		Dprint("getdomainname:  Can't open %s.\n", ETC_DOMAIN);
		return (-1);
	}

	fgets(name, bufsize, fp);
	fclose(fp);

	/* Truncate at first newline. */
	for (i = 0;
	     (i < bufsize) && (name[i] != NIL) && (name[i] != '\n');
	     ++i ) {
	}

	if (i >= bufsize) {
		Dprint("getdomain:  %s\n", 
			"Found neither a NULL nor a newline.");
		return (-1);
	} else {
		name[i] = NIL;
	}
	return (0);
}

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