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

* 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

1 files changed, 0 insertions, 55 deletions

diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c
index a1b29f2..8d71154 100644
--- a/Python/pylifecycle.c
+++ b/Python/pylifecycle.c
@@ -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