2 * Copyright (c) 2006, Maxime Henrion <mux@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include "attrstack.h"
36 #define ATTRSTACK_DEFSIZE 16 /* Initial size of the stack. */
49 as = xmalloc(sizeof(struct attrstack));
50 as->stack = xmalloc(sizeof(struct fattr *) * ATTRSTACK_DEFSIZE);
51 as->size = ATTRSTACK_DEFSIZE;
57 attrstack_pop(struct attrstack *as)
61 return (as->stack[--as->cur]);
65 attrstack_push(struct attrstack *as, struct fattr *fa)
68 if (as->cur >= as->size) {
70 as->stack = xrealloc(as->stack,
71 sizeof(struct fattr *) * as->size);
73 as->stack[as->cur++] = fa;
77 attrstack_size(struct attrstack *as)
84 attrstack_free(struct attrstack *as)