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
|
/* source code location (where), for libreswan
*
* Copyright (C) 2019 Andrew Cagney
*
* 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 WHERE_H
#define WHERE_H
/*
* http://stackoverflow.com/questions/8487986/file-macro-shows-full-path#8488201
*
* It is tempting to tweak the .c.o line so that it passes in the
* required value.
*/
#ifndef HERE_FILENAME
#define HERE_FILENAME (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
#endif
/*
* For appending: (in FUNC() at FILE:LINE)
*/
typedef const struct where {
const char *func;
const char *file;
long line;
} *where_t;
#define HERE \
({ \
static const struct where here = { \
.func = __func__, \
.file = HERE_FILENAME, \
.line = __LINE__, \
}; \
&here; \
})
#define PRI_WHERE "(%s() +%lu %s)"
#define pri_where(SC) (SC)->func, (SC)->line, (SC)->file
#define jam_where(BUF, WHERE) jam(BUF, PRI_WHERE, pri_where(WHERE))
#endif
|
