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
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// Define a bunch of macros that can be used in the tests instead of
// implementation defined assumptions:
// - locale names
// - floating point number string output
#ifndef PLATFORM_SUPPORT_H
#define PLATFORM_SUPPORT_H
#include "test_macros.h"
// locale names
#define LOCALE_en_US_UTF_8 "en_US.UTF-8"
#define LOCALE_fr_FR_UTF_8 "fr_FR.UTF-8"
#ifdef __linux__
# define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO-8859-1"
# define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO-8859-2"
#elif defined(_WIN32)
# define LOCALE_fr_CA_ISO8859_1 "fr-CA"
# define LOCALE_cs_CZ_ISO8859_2 "cs-CZ"
#else
# define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO8859-1"
# define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO8859-2"
#endif
#define LOCALE_ja_JP_UTF_8 "ja_JP.UTF-8"
#define LOCALE_ru_RU_UTF_8 "ru_RU.UTF-8"
#define LOCALE_zh_CN_UTF_8 "zh_CN.UTF-8"
#include <stdio.h>
#include <stdlib.h>
#include <string>
#if defined(_WIN32)
# include <io.h> // _mktemp_s
# include <fcntl.h> // _O_EXCL, ...
# include <sys/stat.h> // _S_IREAD, ...
#elif __has_include(<unistd.h>)
# include <unistd.h> // close
#endif
#if defined(_CS_GNU_LIBC_VERSION)
# include <string.h> // strverscmp
#endif
#if defined(_NEWLIB_VERSION) && defined(__STRICT_ANSI__)
// Newlib provides this, but in the header it's under __STRICT_ANSI__
extern "C" {
int mkstemp(char*);
}
#endif
inline std::string get_temp_file_name() {
#if defined(_WIN32)
while (true) {
char Name[] = "libcxx.XXXXXX";
if (_mktemp_s(Name, sizeof(Name)) != 0)
abort();
int fd = _open(Name, _O_RDWR | _O_CREAT | _O_EXCL, _S_IREAD | _S_IWRITE);
if (fd != -1) {
_close(fd);
return Name;
}
if (errno == EEXIST)
continue;
abort();
}
#elif !__has_include(<unistd.h>)
// Without `unistd.h` we cannot guarantee that the file is unused, however we
// can simply generate a good guess in the temporary folder and create it.
constexpr char chars[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
char Name[] = "/tmp/libcxx.XXXXXX";
for (std::size_t i = 0; i < sizeof(Name); ++i)
if (Name[i] == 'X')
Name[i] = chars[rand() % strlen(chars)];
FILE* file = fopen(Name, "w");
if (!file)
abort();
if (fclose(file) == EOF)
abort();
return std::string(Name);
#else
std::string Name = "libcxx.XXXXXX";
int FD = mkstemp(&Name[0]);
if (FD == -1) {
perror("mkstemp");
abort();
}
close(FD);
return Name;
#endif
}
#if defined(_CS_GNU_LIBC_VERSION)
inline bool glibc_version_less_than(char const* version) {
std::string test_version = std::string("glibc ") + version;
std::size_t n = confstr(_CS_GNU_LIBC_VERSION, nullptr, (size_t)0);
char *current_version = new char[n];
confstr(_CS_GNU_LIBC_VERSION, current_version, n);
bool result = strverscmp(current_version, test_version.c_str()) < 0;
delete[] current_version;
return result;
}
#endif // _CS_GNU_LIBC_VERSION
#endif // PLATFORM_SUPPORT_H
|
