Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame^] | 1 | #include "Python.h" |
| 2 | #include "pycore_coreconfig.h" |
| 3 | |
| 4 | |
| 5 | #define DECODE_LOCALE_ERR(NAME, LEN) \ |
| 6 | (((LEN) == -2) \ |
| 7 | ? _Py_INIT_USER_ERR("cannot decode " NAME) \ |
| 8 | : _Py_INIT_NO_MEMORY()) |
| 9 | |
| 10 | |
| 11 | /* --- File system encoding/errors -------------------------------- */ |
| 12 | |
| 13 | /* The filesystem encoding is chosen by config_init_fs_encoding(), |
| 14 | see also initfsencoding(). */ |
| 15 | const char *Py_FileSystemDefaultEncoding = NULL; |
| 16 | int Py_HasFileSystemDefaultEncoding = 0; |
| 17 | const char *Py_FileSystemDefaultEncodeErrors = NULL; |
| 18 | int _Py_HasFileSystemDefaultEncodeErrors = 0; |
| 19 | |
| 20 | void |
| 21 | _Py_ClearFileSystemEncoding(void) |
| 22 | { |
| 23 | if (!Py_HasFileSystemDefaultEncoding && Py_FileSystemDefaultEncoding) { |
| 24 | PyMem_RawFree((char*)Py_FileSystemDefaultEncoding); |
| 25 | Py_FileSystemDefaultEncoding = NULL; |
| 26 | } |
| 27 | if (!_Py_HasFileSystemDefaultEncodeErrors && Py_FileSystemDefaultEncodeErrors) { |
| 28 | PyMem_RawFree((char*)Py_FileSystemDefaultEncodeErrors); |
| 29 | Py_FileSystemDefaultEncodeErrors = NULL; |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | |
| 34 | /* Set Py_FileSystemDefaultEncoding and Py_FileSystemDefaultEncodeErrors |
| 35 | global configuration variables. */ |
| 36 | int |
| 37 | _Py_SetFileSystemEncoding(const char *encoding, const char *errors) |
| 38 | { |
| 39 | char *encoding2 = _PyMem_RawStrdup(encoding); |
| 40 | if (encoding2 == NULL) { |
| 41 | return -1; |
| 42 | } |
| 43 | |
| 44 | char *errors2 = _PyMem_RawStrdup(errors); |
| 45 | if (errors2 == NULL) { |
| 46 | PyMem_RawFree(encoding2); |
| 47 | return -1; |
| 48 | } |
| 49 | |
| 50 | _Py_ClearFileSystemEncoding(); |
| 51 | |
| 52 | Py_FileSystemDefaultEncoding = encoding2; |
| 53 | Py_HasFileSystemDefaultEncoding = 0; |
| 54 | |
| 55 | Py_FileSystemDefaultEncodeErrors = errors2; |
| 56 | _Py_HasFileSystemDefaultEncodeErrors = 0; |
| 57 | return 0; |
| 58 | } |
| 59 | |
| 60 | |
| 61 | /* --- _PyArgv ---------------------------------------------------- */ |
| 62 | |
| 63 | _PyInitError |
| 64 | _PyArgv_Decode(const _PyArgv *args, wchar_t*** argv_p) |
| 65 | { |
| 66 | wchar_t** argv; |
| 67 | if (args->use_bytes_argv) { |
| 68 | /* +1 for a the NULL terminator */ |
| 69 | size_t size = sizeof(wchar_t*) * (args->argc + 1); |
| 70 | argv = (wchar_t **)PyMem_RawMalloc(size); |
| 71 | if (argv == NULL) { |
| 72 | return _Py_INIT_NO_MEMORY(); |
| 73 | } |
| 74 | |
| 75 | for (int i = 0; i < args->argc; i++) { |
| 76 | size_t len; |
| 77 | wchar_t *arg = Py_DecodeLocale(args->bytes_argv[i], &len); |
| 78 | if (arg == NULL) { |
| 79 | _Py_wstrlist_clear(i, argv); |
| 80 | return DECODE_LOCALE_ERR("command line arguments", |
| 81 | (Py_ssize_t)len); |
| 82 | } |
| 83 | argv[i] = arg; |
| 84 | } |
| 85 | argv[args->argc] = NULL; |
| 86 | } |
| 87 | else { |
| 88 | argv = args->wchar_argv; |
| 89 | } |
| 90 | *argv_p = argv; |
| 91 | return _Py_INIT_OK(); |
| 92 | } |