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src: fix empty-named env var assertion failure #32921

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src: fix empty-named env var assertion failure #32921

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15a7f4c
src: fix empty-named env var assertion failure
bl-ue Apr 18, 2020
afd02b2
src: relax assertion in operator[] of MaybeStackBuffer
bl-ue Apr 19, 2020
1017806
src: do not compare against wide characters
bl-ue Apr 19, 2020
f181bc8
Revert "src: relax assertion in operator[] of MaybeStackBuffer"
bl-ue Apr 20, 2020
446a07a
src: fix env var empty key access in Worker thread
bl-ue Apr 26, 2020
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4 changes: 2 additions & 2 deletions src/node_env_var.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -121,7 +121,7 @@ void RealEnvStore::Set(Isolate* isolate,
node::Utf8Value val(isolate, value);

#ifdef _WIN32
if (key[0] == L'=') return;
if (key.length() > 0 && key[0] == '=') return;
#endif
uv_os_setenv(*key, *val);
DateTimeConfigurationChangeNotification(isolate, key);
Expand All @@ -139,7 +139,7 @@ int32_t RealEnvStore::Query(const char* key) const {
}

#ifdef _WIN32
if (key[0] == L'=') {
if (key[0] == '=') {
return static_cast<int32_t>(v8::ReadOnly) |
static_cast<int32_t>(v8::DontDelete) |
static_cast<int32_t>(v8::DontEnum);
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8 changes: 8 additions & 0 deletions test/parallel/test-process-env.js
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Expand Up @@ -106,3 +106,11 @@ if (common.isWindows) {
const keys = Object.keys(process.env);
assert.ok(keys.length > 0);
}

// Setting environment variables on Windows with empty names should not cause
// an assertion failure.
// https://github.com/nodejs/node/issues/32920
{
process.env[''] = '';
assert.strictEqual(process.env[''], undefined);
}