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1 /*
2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6  * Copyright (c) 2005-2016 Dmitry V. Levin <ldv@altlinux.org>
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include "tests.h"
33 #include "xlat.h"
34 #include <stdio.h>
35 
36 int
printflags(const struct xlat * xlat,unsigned long long flags,const char * const dflt)37 printflags(const struct xlat *xlat, unsigned long long flags,
38 	   const char *const dflt)
39 {
40 	if (flags == 0 && xlat->val == 0 && xlat->str) {
41 		fputs(xlat->str, stdout);
42 		return 1;
43 	}
44 
45 	int n;
46 	char sep = 0;
47 	for (n = 0; xlat->str; xlat++) {
48 		if (xlat->val && (flags & xlat->val) == xlat->val) {
49 			if (sep)
50 				putc(sep, stdout);
51 			else
52 				sep = '|';
53 			fputs(xlat->str, stdout);
54 			flags &= ~xlat->val;
55 			n++;
56 		}
57 	}
58 
59 	if (n) {
60 		if (flags) {
61 			if (sep)
62 				putc(sep, stdout);
63 			printf("%#llx", flags);
64 			n++;
65 		}
66 	} else {
67 		if (flags) {
68 			printf("%#llx", flags);
69 			if (dflt)
70 				printf(" /* %s */", dflt);
71 		} else {
72 			if (dflt)
73 				putc('0', stdout);
74 		}
75 	}
76 
77 	return n;
78 }
79