Force zlib.crc32 and zlib.adler32 to return a signed integer on all platforms
regardless of the native sizeof(long) used in the integer object.
This somewhat odd behavior of returning a signed is maintained in 2.x for
compatibility reasons of always returning an integer rather than a long object.
Fixes Issue1202 for Python 2.6
diff --git a/Doc/library/zlib.rst b/Doc/library/zlib.rst
index 94e429e..b522fe6 100644
--- a/Doc/library/zlib.rst
+++ b/Doc/library/zlib.rst
@@ -42,6 +42,12 @@
the algorithm is designed for use as a checksum algorithm, it is not suitable
for use as a general hash algorithm.
+ This function always returns an integer object.
+
+.. versionchanged:: 2.6
+ For consistent cross-platform behavior we always return a signed integer.
+ ie: Results in the (2**31)...(2**32-1) range will be negative.
+
.. function:: compress(string[, level])
@@ -74,6 +80,12 @@
the algorithm is designed for use as a checksum algorithm, it is not suitable
for use as a general hash algorithm.
+ This function always returns an integer object.
+
+.. versionchanged:: 2.6
+ For consistent cross-platform behavior we always return a signed integer.
+ ie: Results in the (2**31)...(2**32-1) range will be negative.
+
.. function:: decompress(string[, wbits[, bufsize]])