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bpo-36301: _PyCoreConfig_Read() ensures that argv is not empty (GH-12347)

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If argv is empty, add an empty string.
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Victor Stinner 2019-03-15 16:03:23 +01:00 • committed by GitHub
parent 74f6568bbd
commit 625997622b
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2 changed files with 8 additions and 1 deletions
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7
Python/coreconfig.c
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@ -1464,6 +1464,13 @@ _PyCoreConfig_Read(_PyCoreConfig *config, const _PyPreConfig *preconfig)
return err;
}
if (config->argv.length < 1) {
/* Ensure at least one (empty) argument is seen */
if (_PyWstrList_Append(&config->argv, L"") < 0) {
return _Py_INIT_NO_MEMORY();
}
}
assert(config->preconfig.use_environment >= 0);
assert(config->filesystem_encoding != NULL);
assert(config->filesystem_errors != NULL);