From c5a090f640b9a500c219a4060180da6558ea0e34 Mon Sep 17 00:00:00 2001
From: cromachina <82557197+cromachina@users.noreply.github.com>
Date: Tue, 3 Jun 2025 13:11:33 -0400
Subject: [PATCH 1/2] Fix float and bytes conversion from ctypes buffers

---
 PyMemoryEditor/linux/functions.py | 8 +++++++-
 PyMemoryEditor/util/convert.py    | 7 ++++---
 PyMemoryEditor/win32/functions.py | 7 ++++++-
 3 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/PyMemoryEditor/linux/functions.py b/PyMemoryEditor/linux/functions.py
index d917296..7fde20d 100644
--- a/PyMemoryEditor/linux/functions.py
+++ b/PyMemoryEditor/linux/functions.py
@@ -67,7 +67,13 @@ def read_process_memory(
         pid, (iovec * 1)(iovec(addressof(data), sizeof(data))),
         1, (iovec * 1)(iovec(address, sizeof(data))), 1, 0
     )
-    return data.value.decode() if pytype is str else data.value
+
+    if pytype is str:
+        return data.value.decode()
+    elif pytype is bytes:
+        return bytes(data)
+    else:
+        return data.value
 
 
 def search_addresses_by_value(
diff --git a/PyMemoryEditor/util/convert.py b/PyMemoryEditor/util/convert.py
index 224f884..3150fea 100644
--- a/PyMemoryEditor/util/convert.py
+++ b/PyMemoryEditor/util/convert.py
@@ -32,9 +32,10 @@ def get_c_type_of(pytype: Type, length) -> ctypes._SimpleCData:
         if length <= 4: return ctypes.c_int32()     # 4 Bytes
         return ctypes.c_int64()                     # 8 Bytes
 
-    # Float values lose their precision when converted to c_float. For that reason,
-    # any float value will be converted to double.
-    elif pytype is float: return ctypes.c_double()  # 8 Bytes
+    elif pytype is float:
+
+        if length == 4: return ctypes.c_float()     # 4 Bytes
+        return ctypes.c_double()                    # 8 Bytes
 
     elif pytype is bool: return ctypes.c_bool()
 
diff --git a/PyMemoryEditor/win32/functions.py b/PyMemoryEditor/win32/functions.py
index 4f6d860..7926c4a 100644
--- a/PyMemoryEditor/win32/functions.py
+++ b/PyMemoryEditor/win32/functions.py
@@ -127,7 +127,12 @@ def ReadProcessMemory(
     data = get_c_type_of(pytype, bufflength)
     kernel32.ReadProcessMemory(process_handle, ctypes.c_void_p(address), ctypes.byref(data), bufflength, None)
 
-    return data.value.decode() if pytype is str else data.value
+    if pytype is str:
+        return data.value.decode()
+    elif pytype is bytes:
+        return bytes(data)
+    else:
+        return data.value
 
 
 def SearchAddressesByValue(

From 4f2825ce9709717d9071ccd063da5be6c92618a6 Mon Sep 17 00:00:00 2001
From: cromachina <82557197+cromachina@users.noreply.github.com>
Date: Tue, 3 Jun 2025 13:24:18 -0400
Subject: [PATCH 2/2] Decode str from bytes to bypass null terminator

---
 PyMemoryEditor/linux/functions.py | 2 +-
 PyMemoryEditor/win32/functions.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/PyMemoryEditor/linux/functions.py b/PyMemoryEditor/linux/functions.py
index 7fde20d..93bbf4c 100644
--- a/PyMemoryEditor/linux/functions.py
+++ b/PyMemoryEditor/linux/functions.py
@@ -69,7 +69,7 @@ def read_process_memory(
     )
 
     if pytype is str:
-        return data.value.decode()
+        return bytes(data).decode()
     elif pytype is bytes:
         return bytes(data)
     else:
diff --git a/PyMemoryEditor/win32/functions.py b/PyMemoryEditor/win32/functions.py
index 7926c4a..6cdf0bc 100644
--- a/PyMemoryEditor/win32/functions.py
+++ b/PyMemoryEditor/win32/functions.py
@@ -128,7 +128,7 @@ def ReadProcessMemory(
     kernel32.ReadProcessMemory(process_handle, ctypes.c_void_p(address), ctypes.byref(data), bufflength, None)
 
     if pytype is str:
-        return data.value.decode()
+        return bytes(data).decode()
     elif pytype is bytes:
         return bytes(data)
     else: