xref: /minix/external/bsd/pkg_install/dist/lib/lpkg.c (revision a824f5a1)
1 /*	$NetBSD: lpkg.c,v 1.1.1.2 2009/02/02 20:44:06 joerg Exp $	*/
2 
3 /*
4  * Copyright (c) 1999 Christian E. Hopps
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  * Package-list auxiliary functions
30  */
31 
32 #if HAVE_CONFIG_H
33 #include "config.h"
34 #endif
35 #include <nbcompat.h>
36 #if HAVE_ERR_H
37 #include <err.h>
38 #endif
39 #include "lib.h"
40 
41 /*
42  * Add a package to the (add/recursive delete) list
43  */
44 lpkg_t *
alloc_lpkg(const char * pkgname)45 alloc_lpkg(const char *pkgname)
46 {
47 	lpkg_t *lpp;
48 
49 	lpp = xmalloc(sizeof(*lpp));
50 	lpp->lp_name = xstrdup(pkgname);
51 	return (lpp);
52 }
53 
54 void
free_lpkg(lpkg_t * lpp)55 free_lpkg(lpkg_t *lpp)
56 {
57 	free(lpp->lp_name);
58 	free(lpp);
59 }
60 
61 lpkg_t *
find_on_queue(lpkg_head_t * qp,const char * name)62 find_on_queue(lpkg_head_t *qp, const char *name)
63 {
64 	lpkg_t *lpp;
65 
66 	for (lpp = TAILQ_FIRST(qp); lpp; lpp = TAILQ_NEXT(lpp, lp_link))
67 		if (!strcmp(name, lpp->lp_name))
68 			return (lpp);
69 	return (0);
70 }
71