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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/*============================================================================
WCSLIB 5.14 - an implementation of the FITS WCS standard.
Copyright (C) 1995-2016, Mark Calabretta
This file is part of WCSLIB.
WCSLIB 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 3 of the License, or (at your option)
any later version.
WCSLIB 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 WCSLIB. If not, see http://www.gnu.org/licenses.
Direct correspondence concerning WCSLIB to mark@calabretta.id.au
Author: Mark Calabretta, Australia Telescope National Facility, CSIRO.
http://www.atnf.csiro.au/people/Mark.Calabretta
$Id: wcsprintf.c,v 5.14 2016/02/07 10:49:31 mcalabre Exp $
*===========================================================================*/
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "wcsprintf.h"
static FILE *wcsprintf_file = 0x0;
static char *wcsprintf_buff = 0x0;
static char *wcsprintf_bufp = 0x0;
static size_t wcsprintf_size = 0;
/*--------------------------------------------------------------------------*/
int wcsprintf_set(FILE *wcsout)
{
if (wcsout != 0x0) {
/* Output to file. */
wcsprintf_file = wcsout;
if (wcsprintf_buff != 0x0) {
/* Release the buffer. */
free(wcsprintf_buff);
wcsprintf_buff = 0x0;
}
} else {
/* Output to buffer. */
if (wcsprintf_buff == 0x0) {
/* Allocate a buffer. */
wcsprintf_buff = malloc(1024);
if (wcsprintf_buff == NULL) {
return 1;
}
wcsprintf_size = 1024;
}
/* Reset pointer to the start of the buffer. */
wcsprintf_bufp = wcsprintf_buff;
*wcsprintf_bufp = '\0';
}
return 0;
}
/*--------------------------------------------------------------------------*/
const char *wcsprintf_buf(void)
{
return wcsprintf_buff;
}
/*--------------------------------------------------------------------------*/
int wcsprintf(const char *format, ...)
{
char *realloc_buff;
int nbytes;
size_t used;
va_list arg_list;
if (wcsprintf_buff == 0x0 && wcsprintf_file == 0x0) {
/* Send output to stdout if wcsprintf_set() hasn't been called. */
wcsprintf_file = stdout;
}
va_start(arg_list, format);
if (wcsprintf_file) {
/* Output to file. */
nbytes = vfprintf(wcsprintf_file, format, arg_list);
} else {
/* Output to buffer. */
used = wcsprintf_bufp - wcsprintf_buff;
if (wcsprintf_size - used < 128) {
/* Expand the buffer. */
wcsprintf_size += 1024;
realloc_buff = realloc(wcsprintf_buff, wcsprintf_size);
if (realloc_buff == NULL) {
free(wcsprintf_buff);
wcsprintf_buff = 0x0;
return 1;
}
wcsprintf_buff = realloc_buff;
wcsprintf_bufp = wcsprintf_buff + used;
}
nbytes = vsprintf(wcsprintf_bufp, format, arg_list);
wcsprintf_bufp += nbytes;
}
va_end(arg_list);
return nbytes;
}
/*--------------------------------------------------------------------------*/
int wcsfprintf(FILE *stream, const char *format, ...)
{
char *realloc_buff;
int nbytes;
size_t used;
va_list arg_list;
if (wcsprintf_buff == 0x0 && wcsprintf_file == 0x0) {
/* Send output to stream if wcsprintf_set() hasn't been called. */
wcsprintf_file = stream;
}
va_start(arg_list, format);
if (wcsprintf_file) {
/* Output to file. */
nbytes = vfprintf(wcsprintf_file, format, arg_list);
} else {
/* Output to buffer. */
used = wcsprintf_bufp - wcsprintf_buff;
if (wcsprintf_size - used < 128) {
/* Expand the buffer. */
wcsprintf_size += 1024;
realloc_buff = realloc(wcsprintf_buff, wcsprintf_size);
if (realloc_buff == NULL) {
free(wcsprintf_buff);
wcsprintf_buff = 0x0;
return 1;
}
wcsprintf_buff = realloc_buff;
wcsprintf_bufp = wcsprintf_buff + used;
}
nbytes = vsprintf(wcsprintf_bufp, format, arg_list);
wcsprintf_bufp += nbytes;
}
va_end(arg_list);
return nbytes;
}
|
