Python3 working prototype

CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.17)
+project(python_cdb C)
+
+set(CMAKE_C_STANDARD 11)
+
+include_directories(src)
+include_directories(/usr/include/python3.8/)
+
+add_executable(python_cdb
+        src/cdb.c
+        src/cdb.h
+        src/cdb_hash.c
+        src/cdb_make.c
+        src/cdb_make.h
+        src/cdbmodule.c
+        src/uint32.h
+        src/uint32_pack.c
+        src/uint32_unpack.c src/unicode.c src/unicode.h)

setup.py

@@ -1,37 +1,38 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 
-SRCDIR   = "src"
-SRCFILES = map(lambda f: SRCDIR + '/' + f + '.c',
-              ["cdbmodule","cdb","cdb_make","cdb_hash",
-               "uint32_pack","uint32_unpack"])
+from setuptools import setup, Extension
 
-from distutils.core import setup, Extension
+SRCDIR = "src"
+FILES = ("cdbmodule", "cdb", "cdb_make", "cdb_hash",
+         "uint32_pack", "uint32_unpack", 'unicode')
+SRCFILES = list(map(lambda f: SRCDIR + '/' + f + '.c', FILES))
 
-setup (# Distribution meta-data
-        name = "python-cdb",
-        version = "0.35",
-        description = "Interface to constant database files",
-        author = "Alan Grow",
-        author_email = "[email protected]",
-	license = "GPL",
-        long_description = \
-'''The python-cdb extension module is an adaptation of D. J. Bernstein's
-constant database package (see http://cr.yp.to/cdb.html).
 
-cdb files are mappings of keys to values, designed for wickedly
-fast lookups and atomic updates.  This module mimics the normal
-cdb utilities, cdb(get|dump|make), via convenient, high-level Python
-objects.''',
-        ext_modules = [ Extension(
-                            "cdb",
-                            SRCFILES,
-                            include_dirs=[ SRCDIR + '/' ],
-                            extra_compile_args=['-fPIC'],
-                        )
-                      ],
-        url = "https://github.com/acg/python-cdb",
-        classifiers=[
-            'Programming Language :: Python',
-            'Programming Language :: Python :: 2',
-        ],
-      )
+setup(
+    name="python-cdb",
+    version="0.35",
+    description="Interface to constant database files",
+    author="Alan Grow",
+    author_email="[email protected]",
+    license="GPL",
+    long_description='''
+    The python-cdb extension module is an adaptation of D. J. Bernstein's
+    constant database package (see http://cr.yp.to/cdb.html).
+    cdb files are mappings of keys to values, designed for wickedly
+    fast lookups and atomic updates.  This module mimics the normal
+    cdb utilities, cdb(get|dump|make), via convenient, high-level Python
+    objects.''',
+    ext_modules=[
+        Extension(
+            "cdb",
+            SRCFILES,
+            include_dirs=[SRCDIR + '/' ],
+            extra_compile_args=['-fPIC'],
+        )
+    ],
+    url="https://github.com/acg/python-cdb",
+    classifiers=[
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 2',
+    ],
+)

src/cdb.c

@@ -75,7 +75,7 @@ int cdb_read(struct cdb *c,char *buf,unsigned int len,uint32 pos)
 static int match(struct cdb *c,char *key,unsigned int len,uint32 pos)
 {
   char buf[32];
-  int n;
+  unsigned int n;
 
   while (len > 0) {
     n = sizeof buf;