interface for zlib

coro/zlib.pxd

+# -*- Mode: Cython -*-
+
+# minimal interface to zlib
+
+cdef extern from "zlib.h":
+
+    ctypedef struct z_stream:
+        unsigned char * next_in  # next input byte
+        unsigned int avail_in    # number of bytes available at next_in
+        unsigned long total_in   # total nb of input bytes read so far
+        unsigned char * next_out # next output byte should be put there
+        unsigned int avail_out   # remaining free space at next_out
+        unsigned long total_out  # total nb of bytes output so far
+        void * zalloc
+        void * zfree
+        void * opaque
+    
+    cdef int deflateInit  (z_stream *, int)
+    cdef int deflate      (z_stream *, int)
+    cdef int deflateEnd   (z_stream *)
+    cdef int deflateReset (z_stream *)
+    cdef int inflateInit  (z_stream *)
+    cdef int inflate      (z_stream *, int)
+    cdef int inflateEnd   (z_stream *)
+    cdef int inflateReset (z_stream *)
+
+    cdef enum COMPRESSION_LEVELS:
+        Z_NO_COMPRESSION,
+        Z_BEST_SPEED,
+        Z_BEST_COMPRESSION,
+        Z_DEFAULT_COMPRESSION
+
+    cdef enum RETURN_VALUES:
+        Z_OK,
+        Z_STREAM_END,
+        Z_NEED_DICT,
+        Z_ERRNO,
+        Z_STREAM_ERROR,
+        Z_DATA_ERROR,
+        Z_MEM_ERROR,
+        Z_BUF_ERROR,
+        Z_VERSION_ERROR
+