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bpo-38353: getpath.c: allocates strings on the heap (GH-16585)

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* _Py_FindEnvConfigValue() now returns a string allocated
  by PyMem_RawMalloc().
* calculate_init() now decodes VPATH macro.
* Add calculate_open_pyenv() function.
* Add substring() and joinpath2() functions.

* Fix add_exe_suffix()

And a few cleanup changes.
This commit is contained in:
Victor Stinner 2019-10-04 19:53:43 +02:00 • committed by GitHub
parent abd7cd856b
commit c02b41b1fb
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4 changed files with 427 additions and 319 deletions
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5
Include/internal/pycore_pathconfig.h
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@ -56,11 +56,10 @@ extern PyStatus _PyPathConfig_Calculate(
extern int _PyPathConfig_ComputeSysPath0(
const PyWideStringList *argv,
PyObject **path0);
extern int _Py_FindEnvConfigValue(
extern PyStatus _Py_FindEnvConfigValue(
FILE *env_file,
const wchar_t *key,
wchar_t *value,
size_t value_size);
wchar_t **value_p);
#ifdef MS_WINDOWS
extern wchar_t* _Py_GetDLLPath(void);