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
|
/*
Copyright (C) 2009 Andreas Gruenbacher <agruen@suse.de>
This file is part of Attr.
Attr is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 of the License, or
(at your option) any later version.
Attr 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.
You should have received a copy of the GNU General Public License
along with Attr. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ERROR_CONTEXT_T
#define __ERROR_CONTEXT_T
#ifdef __cplusplus
extern "C" {
#endif
struct error_context {
/* Process an error message */
void (*error) (struct error_context *, const char *, ...);
/* Quote a file name for including in an error message */
const char *(*quote) (struct error_context *, const char *);
/* Free a quoted name */
void (*quote_free) (struct error_context *, const char *);
};
#ifdef ERROR_CONTEXT_MACROS
# define error(ctx, args...) do { \
if ((ctx) && (ctx)->error) \
(ctx)->error((ctx), args); \
} while(0)
# define quote(ctx, name) \
( ((ctx) && (ctx)->quote) ? (ctx)->quote((ctx), (name)) : (name) )
# define quote_free(ctx, name) do { \
if ((ctx) && (ctx)->quote_free) \
(ctx)->quote_free((ctx), (name)); \
} while(0)
#endif
#ifdef __cplusplus
}
#endif
#endif /* __ERROR_CONTEXT_T */
|
