From 6a2496820c6346aa5e4e15d453f65db1a4c2cbfd Mon Sep 17 00:00:00 2001
From: Bill Fisher <william.w.fisher@gmail.com>
Date: Thu, 9 Dec 2021 05:10:54 +0000
Subject: [PATCH 1/2] Empty env dict represents empty environment.

---
 tests/test_process.py      | 16 ++++++++++++++++
 uvloop/handles/process.pyx |  2 +-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/tests/test_process.py b/tests/test_process.py
index 357d6f0a..26e75eab 100644
--- a/tests/test_process.py
+++ b/tests/test_process.py
@@ -49,6 +49,22 @@ async def test():
 
         self.loop.run_until_complete(test())
 
+    def test_process_env_2(self):
+        async def test():
+            cmd = 'env'
+            env = {}  # empty environment
+            proc = await asyncio.create_subprocess_exec(
+                cmd,
+                env=env,
+                stdout=subprocess.PIPE,
+                stderr=subprocess.PIPE)
+
+            out, _ = await proc.communicate()
+            self.assertEqual(out, b'')
+            self.assertEqual(proc.returncode, 0)
+
+        self.loop.run_until_complete(test())
+
     def test_process_cwd_1(self):
         async def test():
             cmd = 'pwd'
diff --git a/uvloop/handles/process.pyx b/uvloop/handles/process.pyx
index 261aa1f5..286e28cc 100644
--- a/uvloop/handles/process.pyx
+++ b/uvloop/handles/process.pyx
@@ -288,7 +288,7 @@ cdef class UVProcess(UVHandle):
         self.uv_opt_args = self.__to_cstring_array(self.__args)
 
     cdef _init_env(self, dict env):
-        if env is not None and len(env):
+        if env is not None:
             self.__env = list()
             for key in env:
                 val = env[key]

From ca8669758c0ab1c7dff78a687946bbb58185d277 Mon Sep 17 00:00:00 2001
From: Fantix King <fantix.king@gmail.com>
Date: Wed, 31 Aug 2022 14:46:15 -0700
Subject: [PATCH 2/2] Allow 0-length cstring array

---
 uvloop/handles/process.pyx | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/uvloop/handles/process.pyx b/uvloop/handles/process.pyx
index e8549244..1ffbd8ca 100644
--- a/uvloop/handles/process.pyx
+++ b/uvloop/handles/process.pyx
@@ -217,9 +217,6 @@ cdef class UVProcess(UVHandle):
 
             char **ret
 
-        if UVLOOP_DEBUG:
-            assert arr_len > 0
-
         ret = <char **>PyMem_RawMalloc((arr_len + 1) * sizeof(char *))
         if ret is NULL:
             raise MemoryError()