xref: /freebsd-src/lib/libsysdecode/support.h (revision 9dac609629d4e0ba813df6169f8bd8383fca024f)
1*9dac6096SDmitry Chagin /*
2*9dac6096SDmitry Chagin  * Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved.
3*9dac6096SDmitry Chagin  *
4*9dac6096SDmitry Chagin  * Redistribution and use in source and binary forms, with or without
5*9dac6096SDmitry Chagin  * modification, are permitted provided that the following conditions
6*9dac6096SDmitry Chagin  * are met:
7*9dac6096SDmitry Chagin  * 1. Redistributions of source code must retain the above copyright
8*9dac6096SDmitry Chagin  *    notice, this list of conditions and the following disclaimer.
9*9dac6096SDmitry Chagin  * 2. Redistributions in binary form must reproduce the above copyright
10*9dac6096SDmitry Chagin  *    notice, this list of conditions and the following disclaimer in the
11*9dac6096SDmitry Chagin  *    documentation and/or other materials provided with the distribution.
12*9dac6096SDmitry Chagin  *
13*9dac6096SDmitry Chagin  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14*9dac6096SDmitry Chagin  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15*9dac6096SDmitry Chagin  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16*9dac6096SDmitry Chagin  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17*9dac6096SDmitry Chagin  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18*9dac6096SDmitry Chagin  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19*9dac6096SDmitry Chagin  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20*9dac6096SDmitry Chagin  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21*9dac6096SDmitry Chagin  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22*9dac6096SDmitry Chagin  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23*9dac6096SDmitry Chagin  * SUCH DAMAGE.
24*9dac6096SDmitry Chagin  */
25*9dac6096SDmitry Chagin 
26*9dac6096SDmitry Chagin #ifndef __SYSDECODE_SUPPORT_H__
27*9dac6096SDmitry Chagin #define __SYSDECODE_SUPPORT_H__
28*9dac6096SDmitry Chagin 
29*9dac6096SDmitry Chagin /*
30*9dac6096SDmitry Chagin  * This is taken from the xlat tables originally in truss which were
31*9dac6096SDmitry Chagin  * in turn taken from strace.
32*9dac6096SDmitry Chagin  */
33*9dac6096SDmitry Chagin struct name_table {
34*9dac6096SDmitry Chagin 	uintmax_t val;
35*9dac6096SDmitry Chagin 	const char *str;
36*9dac6096SDmitry Chagin };
37*9dac6096SDmitry Chagin 
38*9dac6096SDmitry Chagin /*
39*9dac6096SDmitry Chagin  * These are simple support macros. print_or utilizes a variable
40*9dac6096SDmitry Chagin  * defined in the calling function to track whether or not it should
41*9dac6096SDmitry Chagin  * print a logical-OR character ('|') before a string. if_print_or
42*9dac6096SDmitry Chagin  * simply handles the necessary "if" statement used in many lines
43*9dac6096SDmitry Chagin  * of this file.
44*9dac6096SDmitry Chagin  */
45*9dac6096SDmitry Chagin #define print_or(fp,str,orflag) do {                     \
46*9dac6096SDmitry Chagin 	if (orflag) fputc(fp, '|'); else orflag = true;  \
47*9dac6096SDmitry Chagin 	fprintf(fp, str); }                              \
48*9dac6096SDmitry Chagin 	while (0)
49*9dac6096SDmitry Chagin #define if_print_or(fp,i,flag,orflag) do {         \
50*9dac6096SDmitry Chagin 	if ((i & flag) == flag)                    \
51*9dac6096SDmitry Chagin 	print_or(fp,#flag,orflag); }               \
52*9dac6096SDmitry Chagin 	while (0)
53*9dac6096SDmitry Chagin 
54*9dac6096SDmitry Chagin const char *lookup_value(struct name_table *, uintmax_t);
55*9dac6096SDmitry Chagin void	print_integer(FILE *, int, int);
56*9dac6096SDmitry Chagin bool	print_mask_0(FILE *, struct name_table *, int, int *);
57*9dac6096SDmitry Chagin bool	print_mask_0ul(FILE *, struct name_table *, u_long, u_long *);
58*9dac6096SDmitry Chagin bool	print_mask_int(FILE *, struct name_table *, int, int *);
59*9dac6096SDmitry Chagin void	print_mask_part(FILE *, struct name_table *, uintmax_t *, bool *);
60*9dac6096SDmitry Chagin bool	print_value(FILE *, struct name_table *, uintmax_t);
61*9dac6096SDmitry Chagin 
62*9dac6096SDmitry Chagin #endif /* !__SYSDECODE_SUPPORT_H__ */
63