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
|
/*
* Hamlib Interface - numeric locale wrapping helpers
* Copyright (c) 2009 by Stephane Fillod
*
*
* This library 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.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef _NUM_STDIO_H
#define _NUM_STDIO_H 1
#include <locale.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
/*
* This header file is internal to Hamlib and its backends,
* thus not part of the API.
*/
/*
* Wrapper for sscanf to workaround some locales where the decimal
* separator (float, ...) is not the dot.
*/
#define num_sscanf(a...) \
({ int __ret; char *__savedlocale; \
__savedlocale = setlocale(LC_NUMERIC, NULL); \
if (__savedlocale != NULL) { \
__savedlocale = strdup(__savedlocale); \
assert(__savedlocale != NULL); \
} \
setlocale(LC_NUMERIC, "C"); \
__ret = sscanf(a); \
setlocale(LC_NUMERIC, __savedlocale); \
if (__savedlocale != NULL) free(__savedlocale); \
__ret; \
})
#define num_sprintf(s, a...) \
({ int __ret; char *__savedlocale; \
__savedlocale = setlocale(LC_NUMERIC, NULL); \
if (__savedlocale != NULL) { \
__savedlocale = strdup(__savedlocale); \
assert(__savedlocale != NULL); \
} \
setlocale(LC_NUMERIC, "C"); \
__ret = sprintf(s, a); \
setlocale(LC_NUMERIC, __savedlocale); \
if (__savedlocale != NULL) free(__savedlocale); \
__ret; \
})
#define num_snprintf(s, n, a...) \
({ int __ret; char *__savedlocale; \
__savedlocale = setlocale(LC_NUMERIC, NULL); \
if (__savedlocale != NULL) { \
__savedlocale = strdup(__savedlocale); \
assert(__savedlocale != NULL); \
} \
setlocale(LC_NUMERIC, "C"); \
__ret = snprintf(s, n, a); \
setlocale(LC_NUMERIC, __savedlocale); \
if (__savedlocale != NULL) free(__savedlocale); \
__ret; \
})
#endif /* _NUM_STDIO_H */
|
