/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1990-2011 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
#include "msglib.h"
#include <ctype.h>
/*
* convert msg name list s to mask
* *s=='!' inverts the mask
*/
unsigned long
msgsetmask(register const char* s)
{
register int c;
register unsigned long m;
int invert;
m = 0;
invert = *s == '!';
for (;;)
{
do if (!(c = *s++)) goto done; while (!isalnum(c));
m |= MSG_MASK(msgindex(--s));
do if (!(c = *s++)) goto done; while (isalnum(c));
}
done:
return invert ? ~m : m;
}