1 /*
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright © 2020 Keith Packard
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials provided
16 * with the distribution.
17 *
18 * 3. Neither the name of the copyright holder nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
33 * OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 #if __SIZEOF_LONG_DOUBLE__ >8
37
38 #define _NEED_IO_LONG_DOUBLE
39
40 #include "dtoa.h"
41
42 static NEWLIB_THREAD_LOCAL char ecvt_buf[LDTOA_MAX_DIG + 1];
43
44 char *
ecvtl(long double invalue,int ndigit,int * decpt,int * sign)45 ecvtl (long double invalue,
46 int ndigit,
47 int *decpt,
48 int *sign)
49 {
50 if (ecvtl_r(invalue, ndigit, decpt, sign, ecvt_buf, sizeof(ecvt_buf)) < 0)
51 return NULL;
52 return ecvt_buf;
53 }
54
55
56 #elif __SIZEOF_LONG_DOUBLE__ == 4
57
58 #include "stdio_private.h"
59
60 char *
ecvtl(long double invalue,int ndigit,int * decpt,int * sign)61 ecvtl (long double invalue,
62 int ndigit,
63 int *decpt,
64 int *sign)
65 {
66 return ecvtf((float) invalue, ndigit, decpt, sign);
67 }
68
69 #elif __SIZEOF_LONG_DOUBLE__ == __SIZEOF_DOUBLE__
70
71 #include "stdio_private.h"
72
73 char *
ecvtl(long double invalue,int ndigit,int * decpt,int * sign)74 ecvtl (long double invalue,
75 int ndigit,
76 int *decpt,
77 int *sign)
78 {
79 return ecvt((double) invalue, ndigit, decpt, sign);
80 }
81
82 #endif
83
84
