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bpo-34523: Fix config_init_fs_encoding() for ASCII (GH-10232)

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* bpo-34523, bpo-34403: Fix config_init_fs_encoding(): it now uses
  ASCII if _Py_GetForceASCII() is true.
* Fix a regression of commit b2457efc78.
* Fix also a memory leak: get_locale_encoding() already allocates
  memory, no need to duplicate the string.
This commit is contained in:
Victor Stinner 2018-10-30 12:58:10 +01:00 • committed by GitHub
parent b232df9197
commit 905f1ace5f
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 26 additions and 22 deletions
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46
Python/coreconfig.c
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@ -1164,13 +1164,17 @@ config_init_fs_encoding(_PyCoreConfig *config)
}
}
/* Windows defaults to utf-8/surrogatepass (PEP 529) */
/* Windows defaults to utf-8/surrogatepass (PEP 529).
Note: UTF-8 Mode takes the same code path and the Legacy Windows FS
encoding has the priortiy over UTF-8 Mode. */
if (config->filesystem_encoding == NULL) {
config->filesystem_encoding = _PyMem_RawStrdup("utf-8");
if (config->filesystem_encoding == NULL) {
return _Py_INIT_NO_MEMORY();
}
}
if (config->filesystem_errors == NULL) {
config->filesystem_errors = _PyMem_RawStrdup("surrogatepass");
if (config->filesystem_errors == NULL) {
@ -1178,30 +1182,28 @@ config_init_fs_encoding(_PyCoreConfig *config)
}
}
#else
if (config->utf8_mode) {
/* UTF-8 Mode use: utf-8/surrogateescape */
if (config->filesystem_encoding == NULL) {
config->filesystem_encoding = _PyMem_RawStrdup("utf-8");
if (config->filesystem_encoding == NULL) {
return _Py_INIT_NO_MEMORY();
}
}
/* errors defaults to surrogateescape above */
}
if (config->filesystem_encoding == NULL) {
/* macOS and Android use UTF-8, other platforms use
the locale encoding. */
char *locale_encoding;
#if defined(__APPLE__) || defined(__ANDROID__)
locale_encoding = "UTF-8";
#else
_PyInitError err = get_locale_encoding(&locale_encoding);
if (_Py_INIT_FAILED(err)) {
return err;
if (config->utf8_mode) {
/* UTF-8 Mode use: utf-8/surrogateescape */
config->filesystem_encoding = _PyMem_RawStrdup("utf-8");
/* errors defaults to surrogateescape above */
}
else if (_Py_GetForceASCII()) {
config->filesystem_encoding = _PyMem_RawStrdup("ascii");
}
else {
/* macOS and Android use UTF-8,
other platforms use the locale encoding. */
#if defined(__APPLE__) || defined(__ANDROID__)
config->filesystem_encoding = _PyMem_RawStrdup("utf-8");
#else
_PyInitError err = get_locale_encoding(&config->filesystem_encoding);
if (_Py_INIT_FAILED(err)) {
return err;
}
#endif
config->filesystem_encoding = _PyMem_RawStrdup(locale_encoding);
}
if (config->filesystem_encoding == NULL) {
return _Py_INIT_NO_MEMORY();
}