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bpo-32030: Add Python/pathconfig.c (#4668)

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* Factorize code from PC/getpathp.c and Modules/getpath.c to remove
  duplicated code
* rename pathconfig_clear() to _PyPathConfig_Clear()
* Inline _PyPathConfig_Fini() in pymain_impl() and then remove it,
  since it's a oneliner
This commit is contained in:
Victor Stinner 2017-12-01 20:50:58 +01:00 • committed by GitHub
parent ebac19dad6
commit 0ea395ae96
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 204 additions and 291 deletions
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55
Python/pylifecycle.c
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@ -1489,61 +1489,6 @@ Py_EndInterpreter(PyThreadState *tstate)
PyInterpreterState_Delete(interp);
}
#ifdef MS_WINDOWS
static wchar_t *progname = L"python";
#else
static wchar_t *progname = L"python3";
#endif
void
Py_SetProgramName(wchar_t *pn)
{
if (pn && *pn)
progname = pn;
}
wchar_t *
Py_GetProgramName(void)
{
return progname;
}
static wchar_t *default_home = NULL;
void
Py_SetPythonHome(wchar_t *home)
{
default_home = home;
}
wchar_t*
Py_GetPythonHome(void)
{
/* Use a static buffer to avoid heap memory allocation failure.
Py_GetPythonHome() doesn't allow to report error, and the caller
doesn't release memory. */
static wchar_t buffer[MAXPATHLEN+1];
if (default_home) {
return default_home;
}
char *home = Py_GETENV("PYTHONHOME");
if (!home) {
return NULL;
}
size_t size = Py_ARRAY_LENGTH(buffer);
size_t r = mbstowcs(buffer, home, size);
if (r == (size_t)-1 || r >= size) {
/* conversion failed or the static buffer is too small */
return NULL;
}
return buffer;
}
/* Add the __main__ module */
static _PyInitError