1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/* logging declarations
*
* Copyright (C) 1998-2001,2013 D. Hugh Redelmeier <hugh@mimosa.com>
* Copyright (C) 2004 Michael Richardson <mcr@xelerance.com>
* Copyright (C) 2012-2013 Paul Wouters <paul@libreswan.org>
* Copyright (C) 2017-2019 Andrew Cagney <cagney@gnu.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/gpl2.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
*/
#ifndef PEXPECT_H
#define PEXPECT_H
#include <stdarg.h>
#include <stdio.h> /* for FILE */
#include <stddef.h> /* for size_t */
#include "lset.h"
#include "lswcdefs.h"
#include "jambuf.h"
#include "passert.h"
#include "constants.h" /* for DBG_... */
#include "where.h" /* used by macros */
#include "fd.h" /* for null_fd */
#include "impair.h"
#include "logjam.h"
struct jambuf;
/*
* Log an expectation failure message to the error streams. That is
* the main log (level LOG_ERR) and whack log (level RC_LOG_SERIOUS).
*
* When evaluating ASSERTION, do not wrap it in parentheses as it will
* suppress the warning for 'foo = bar'.
*
* Because static analyzer tools are easily confused, explicitly
* return the assertion result.
*/
extern void llog_pexpect(const struct logger *logger, where_t where,
const char *message, ...) PRINTF_LIKE(3);
#define LLOG_PEXPECT_JAMBUF(LOGGER, WHERE, BUF) \
/* create the buffer */ \
for (struct logjam logjam_, *lbp_ = &logjam_; \
lbp_ != NULL; lbp_ = NULL) \
/* create the jambuf */ \
for (struct jambuf *BUF = \
jambuf_from_logjam(&logjam_, LOGGER, \
0, WHERE, PEXPECT_FLAGS); \
BUF != NULL; \
logjam_to_logger(&logjam_), BUF = NULL)
#define PEXPECT_WHERE(LOGGER, WHERE, ASSERTION) \
({ \
/* wrapping ASSERTION in parens suppresses -Wparen */ \
bool assertion__ = ASSERTION; /* no parens */ \
if (!assertion__) { \
const struct logger *logger_ = LOGGER; \
llog_pexpect(logger_, WHERE, "%s", #ASSERTION); \
} \
assertion__; /* result */ \
})
#define PEXPECT(LOGGER, ASSERTION) \
PEXPECT_WHERE(LOGGER, HERE, ASSERTION)
#define PBAD_WHERE(LOGGER, WHERE, BAD) \
({ \
/* wrapping BAD in parens suppresses -Wparen */ \
bool bad_ = BAD; /* no parens */ \
if (bad_) { \
const struct logger *logger_ = LOGGER; \
llog_pexpect(logger_, WHERE, "not (%s)", #BAD); \
} \
bad_; /* result */ \
})
#define PBAD(LOGGER, BAD) PBAD_WHERE(LOGGER, HERE, BAD)
#define pbad(BAD) PBAD_WHERE(&global_logger, HERE, BAD)
#define pexpect(ASSERTION) PEXPECT_WHERE(&global_logger, HERE, ASSERTION)
#endif
|
