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      1 /*	$NetBSD: util.c,v 1.1 2020/05/16 18:31:45 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 Chris D. Faulhaber
      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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 #if 0
     31 __FBSDID("$FreeBSD: head/bin/setfacl/util.c 332396 2018-04-10 23:29:57Z emaste $");
     32 #else
     33 __RCSID("$NetBSD: util.c,v 1.1 2020/05/16 18:31:45 christos Exp $");
     34 #endif
     35 
     36 #include <err.h>
     37 #include <stdlib.h>
     38 #include <string.h>
     39 
     40 #include "setfacl.h"
     41 
     42 void *
     43 zmalloc(size_t size)
     44 {
     45 	void *ptr;
     46 
     47 	ptr = calloc(1, size);
     48 	if (ptr == NULL)
     49 		err(1, "calloc() failed");
     50 	return (ptr);
     51 }
     52 
     53 void *
     54 zrealloc(void *ptr, size_t size)
     55 {
     56 	void *newptr;
     57 
     58 	newptr = realloc(ptr, size);
     59 	if (newptr == NULL)
     60 		err(1, "realloc() failed");
     61 	return (newptr);
     62 }
     63 
     64 const char *
     65 brand_name(int brand)
     66 {
     67 	switch (brand) {
     68 	case ACL_BRAND_NFS4:
     69 		return "NFSv4";
     70 	case ACL_BRAND_POSIX:
     71 		return "POSIX.1e";
     72 	default:
     73 		return "unknown";
     74 	}
     75 }
     76 
     77 int
     78 branding_mismatch(int brand1, int brand2)
     79 {
     80 	if (brand1 == ACL_BRAND_UNKNOWN || brand2 == ACL_BRAND_UNKNOWN)
     81 		return (0);
     82 	if (brand1 != brand2)
     83 		return (1);
     84 	return (0);
     85 }
     86