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      1 /*	$NetBSD: lpkg.c,v 1.3 2021/04/10 19:49:59 nia 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 *
     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
     55 free_lpkg(lpkg_t *lpp)
     56 {
     57 	free(lpp->lp_name);
     58 	free(lpp);
     59 }
     60 
     61 lpkg_t *
     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