ratatoskr-messenger/zwgc/character_class.c

46 lines
1.0 KiB
C

/* This file is part of the Project Athena Zephyr Notification System.
* It is one of the source files comprising zwgc, the Zephyr WindowGram
* client.
*
* Created by: Marc Horowitz <marc@athena.mit.edu>
*
* $Id$
*
* Copyright (c) 1989 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
#include <sysdep.h>
#if (!defined(lint) && !defined(SABER))
static const char rcsid_character_class_c[] = "$Id$";
#endif
#include <zephyr/mit-copyright.h>
#include <zephyr/zephyr.h>
#include "character_class.h"
/*
* It may look like we are passing the cache by value, but since it's
* really an array we are passing by reference. C strikes again....
*/
static character_class cache;
/* character_class */
char *
string_to_character_class(string str)
{
int i, l;
(void) memset(cache, 0, sizeof(cache));
l = strlen(str);
for (i = 0; i < l; i++)
cache[(unsigned char)str[i]] = 1;
return(cache);
}