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Fix for CPython 3.15 (clearenv) #158

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dvarrazzo merged 1 commit into from
Nov 6, 2025
+7 −0
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Fix for CPython 3.15 (clearenv) #158

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7 changes: 7 additions & 0 deletions src/spt_setup.c
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Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,13 @@ find_argv_from_env(int argc, char *arg0)
}
buf[argc] = NULL;

/* environ can be NULL if clearenv() has been called.
* Python 3.15 implements os.environ.clear() as clearenv(). */
if (!environ) {
spt_debug("environ pointer is NULL");
goto exit;
}

/* Walk back from environ until you find argc-1 null-terminated strings.
* Don't look for argv[0] as it's probably not preceded by 0. */
ptr = environ[0];
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