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
|
/* Minimal main program -- everything is loaded from the library */
#include "Python.h"
#include <locale.h>
#ifdef __FreeBSD__
#include <fenv.h>
#endif
#ifdef MS_WINDOWS
int
wmain(int argc, wchar_t **argv)
{
return Py_Main(argc, argv);
}
#else
/* Access private pylifecycle helper API to better handle the legacy C locale
*
* The legacy C locale assumes ASCII as the default text encoding, which
* causes problems not only for the CPython runtime, but also other
* components like GNU readline.
*
* Accordingly, when the CLI detects it, it attempts to coerce it to a
* more capable UTF-8 based alternative.
*
* See the documentation of the PYTHONCOERCECLOCALE setting for more details.
*
*/
extern int _Py_LegacyLocaleDetected(void);
extern void _Py_CoerceLegacyLocale(void);
int
main(int argc, char **argv)
{
wchar_t **argv_copy;
/* We need a second copy, as Python might modify the first one. */
wchar_t **argv_copy2;
int i, res;
char *oldloc;
/* Force malloc() allocator to bootstrap Python */
#ifdef Py_DEBUG
(void)_PyMem_SetupAllocators("malloc_debug");
# else
(void)_PyMem_SetupAllocators("malloc");
# endif
argv_copy = (wchar_t **)PyMem_RawMalloc(sizeof(wchar_t*) * (argc+1));
argv_copy2 = (wchar_t **)PyMem_RawMalloc(sizeof(wchar_t*) * (argc+1));
if (!argv_copy || !argv_copy2) {
fprintf(stderr, "out of memory\n");
return 1;
}
/* 754 requires that FP exceptions run in "no stop" mode by default,
* and until C vendors implement C99's ways to control FP exceptions,
* Python requires non-stop mode. Alas, some platforms enable FP
* exceptions by default. Here we disable them.
*/
#ifdef __FreeBSD__
fedisableexcept(FE_OVERFLOW);
#endif
oldloc = _PyMem_RawStrdup(setlocale(LC_ALL, NULL));
if (!oldloc) {
fprintf(stderr, "out of memory\n");
return 1;
}
#ifdef __ANDROID__
/* Passing "" to setlocale() on Android requests the C locale rather
* than checking environment variables, so request C.UTF-8 explicitly
*/
setlocale(LC_ALL, "C.UTF-8");
#else
/* Reconfigure the locale to the default for this process */
setlocale(LC_ALL, "");
#endif
if (_Py_LegacyLocaleDetected()) {
_Py_CoerceLegacyLocale();
}
/* Convert from char to wchar_t based on the locale settings */
for (i = 0; i < argc; i++) {
argv_copy[i] = Py_DecodeLocale(argv[i], NULL);
if (!argv_copy[i]) {
PyMem_RawFree(oldloc);
fprintf(stderr, "Fatal Python error: "
"unable to decode the command line argument #%i\n",
i + 1);
return 1;
}
argv_copy2[i] = argv_copy[i];
}
argv_copy2[argc] = argv_copy[argc] = NULL;
setlocale(LC_ALL, oldloc);
PyMem_RawFree(oldloc);
res = Py_Main(argc, argv_copy);
/* Force again malloc() allocator to release memory blocks allocated
before Py_Main() */
#ifdef Py_DEBUG
(void)_PyMem_SetupAllocators("malloc_debug");
# else
(void)_PyMem_SetupAllocators("malloc");
# endif
for (i = 0; i < argc; i++) {
PyMem_RawFree(argv_copy2[i]);
}
PyMem_RawFree(argv_copy);
PyMem_RawFree(argv_copy2);
return res;
}
#endif
|