freebsd-src/lib/libsysdecode/support.h
Dmitry Chagin 9dac609629 libsysdecode: For future use extract common code to a separate files
Reviewed by:		jhb, emaste
Differential revision:	https://reviews.freebsd.org/D35353
MFC after:		2 weeks
2022-06-22 13:12:21 +03:00

62 lines
2.6 KiB
C

/*
* Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __SYSDECODE_SUPPORT_H__
#define __SYSDECODE_SUPPORT_H__
/*
* This is taken from the xlat tables originally in truss which were
* in turn taken from strace.
*/
struct name_table {
uintmax_t val;
const char *str;
};
/*
* These are simple support macros. print_or utilizes a variable
* defined in the calling function to track whether or not it should
* print a logical-OR character ('|') before a string. if_print_or
* simply handles the necessary "if" statement used in many lines
* of this file.
*/
#define print_or(fp,str,orflag) do { \
if (orflag) fputc(fp, '|'); else orflag = true; \
fprintf(fp, str); } \
while (0)
#define if_print_or(fp,i,flag,orflag) do { \
if ((i & flag) == flag) \
print_or(fp,#flag,orflag); } \
while (0)
const char *lookup_value(struct name_table *, uintmax_t);
void print_integer(FILE *, int, int);
bool print_mask_0(FILE *, struct name_table *, int, int *);
bool print_mask_0ul(FILE *, struct name_table *, u_long, u_long *);
bool print_mask_int(FILE *, struct name_table *, int, int *);
void print_mask_part(FILE *, struct name_table *, uintmax_t *, bool *);
bool print_value(FILE *, struct name_table *, uintmax_t);
#endif /* !__SYSDECODE_SUPPORT_H__ */