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-rw-r--r--Misc/NEWS.d/next/C API/2019-08-23-11-35-55.bpo-37926.hnI5IQ.rst1
-rw-r--r--Python/sysmodule.c2
2 files changed, 2 insertions, 1 deletions
diff --git a/Misc/NEWS.d/next/C API/2019-08-23-11-35-55.bpo-37926.hnI5IQ.rst b/Misc/NEWS.d/next/C API/2019-08-23-11-35-55.bpo-37926.hnI5IQ.rst
new file mode 100644
index 0000000..2018533
--- /dev/null
+++ b/Misc/NEWS.d/next/C API/2019-08-23-11-35-55.bpo-37926.hnI5IQ.rst
@@ -0,0 +1 @@
+Fix a crash in ``PySys_SetArgvEx(0, NULL, 0)``.
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index a89ebce..738bbc8 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -3058,11 +3058,11 @@ make_sys_argv(int argc, wchar_t * const * argv)
void
PySys_SetArgvEx(int argc, wchar_t **argv, int updatepath)
{
+ wchar_t* empty_argv[1] = {L""};
PyThreadState *tstate = _PyThreadState_GET();
if (argc < 1 || argv == NULL) {
/* Ensure at least one (empty) argument is seen */
- wchar_t* empty_argv[1] = {L""};
argv = empty_argv;
argc = 1;
}