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/* $OpenBSD: attr.c,v 1.2 2005/12/07 02:11:26 cloder Exp $ */
/*
* Copyright (c) 2005 Chad Loder
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef lint
static char rcsid[] = "$OpenBSD: attr.c,v 1.2 2005/12/07 02:11:26 cloder Exp $";
#endif
#include "lint1.h"
attr_t
getattr(const char *attr)
{
if (attr == NULL)
return AT_UNKNOWN;
if (!strcmp(attr, "__noreturn__")) {
return AT_NORETURN;
}
else if (!strcmp(attr, "noreturn"))
return AT_NORETURN;
return AT_UNKNOWN;
}
attr_t
getqualattr(tqual_t q)
{
if (q == VOLATILE)
return AT_VOLATILE;
return AT_UNKNOWN;
}
attrnode_t*
newattrnode(attr_t a)
{
attrnode_t *an = xcalloc(1, sizeof(attrnode_t));
an->an_attr = a;
return an;
}
void
appendattr(attrnode_t *an, attr_t a)
{
attrnode_t *nxt;
while (nxt != NULL) {
nxt = an->an_nxt;
if (nxt)
an = nxt;
}
an->an_nxt = newattrnode(a);
}
void
appendattrnode(attrnode_t *an, attrnode_t *apn)
{
attrnode_t *nxt;
while (nxt != NULL) {
nxt = an->an_nxt;
if (nxt)
an = nxt;
}
an->an_nxt = apn;
}
void
addattr(type_t *t, attrnode_t *an)
{
if (t->t_attr == NULL)
t->t_attr = an;
else
appendattrnode(t->t_attr, an);
}
int
hasattr(type_t *t, attr_t a)
{
attrnode_t *an = t->t_attr;
while (an != NULL) {
if (an->an_attr == a)
return 1;
an = an->an_nxt;
}
while (t != NULL) {
t = t->t_subt;
}
return 0;
}
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