easier changes

Author: robamu

python3/cobs/cobs/__init__.py

@@ -26,15 +26,3 @@
 DecodeError.__module__ = 'cobs.cobs'
 
 from .._version import *
-
-
-def encoding_overhead(source_len):
-    """Calculates the maximum overhead when encoding a message with the given length.
-    The overhead is a maximum of [n/254] bytes (one in 254 bytes) rounded up."""
-    return (source_len + 254 - 1) // 254
-
-
-def max_encoded_length(source_len):
-    """Calculates how maximum possible size of an encoded message given the length of the
-    source message."""
-    return source_len + encoding_overhead(source_len)

python3/cobs/cobs/_cobs_py.py

@@ -88,3 +88,17 @@ def decode(in_bytes):
             else:
                 break
     return bytes(out_bytes)
+
+
+def encoding_overhead(source_len):
+    """Calculates the maximum overhead when encoding a message with the given length.
+    The overhead is a maximum of [n/254] bytes (one in 254 bytes) rounded up."""
+    if source_len == 0:
+        return 1
+    return (source_len + 253) // 254
+
+
+def max_encoded_length(source_len):
+    """Calculates how maximum possible size of an encoded message given the length of the
+    source message."""
+    return source_len + encoding_overhead(source_len)

python3/cobs/cobsr/_cobsr_py.py

@@ -96,3 +96,17 @@ def decode(in_bytes):
             else:
                 break
     return bytes(out_bytes)
+
+
+def encoding_overhead(source_len):
+    """Calculates the maximum overhead when encoding a message with the given length.
+    The overhead is a maximum of [n/254] bytes (one in 254 bytes) rounded up."""
+    if source_len == 0:
+        return 1
+    return (source_len + 253) // 254
+
+
+def max_encoded_length(source_len):
+    """Calculates how maximum possible size of an encoded message given the length of the
+    source message."""
+    return source_len + encoding_overhead(source_len)