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[unix-history] / usr / src / usr.bin / window / wwerror.c

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
static char sccsid[] = "@(#)wwerror.c	3.5 (Berkeley) %G%";
#endif /* not lint */

#include "ww.h"

char *
wwerror()
{
	extern errno;
	extern char *sys_errlist[];

	switch (wwerrno) {
	case WWE_NOERR:
		return "No error";
	case WWE_SYS:
		return sys_errlist[errno];
	case WWE_NOMEM:
		return "Out of memory";
	case WWE_TOOMANY:
		return "Too many windows";
	case WWE_NOPTY:
		return "Out of pseudo-terminals";
	case WWE_SIZE:
		return "Bad window size";
	case WWE_BADTERM:
		return "Unknown terminal type";
	case WWE_CANTDO:
		return "Can't run window on this terminal";
	default:
		return "Unknown error";
	}
}