lib/uzlib: Move uzlib code from extmod to lib.

It's third-party code, and not necessarily tied to extmod.

Signed-off-by: Damien George <damien@micropython.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/lib/uzlib/defl_static.h b/lib/uzlib/defl_static.h
new file mode 100644
index 0000000000..292734d773
--- /dev/null
+++ b/lib/uzlib/defl_static.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) uzlib authors
+ *
+ * This software is provided 'as-is', without any express
+ * or implied warranty.  In no event will the authors be
+ * held liable for any damages arising from the use of
+ * this software.
+ *
+ * Permission is granted to anyone to use this software
+ * for any purpose, including commercial applications,
+ * and to alter it and redistribute it freely, subject to
+ * the following restrictions:
+ *
+ * 1. The origin of this software must not be
+ *    misrepresented; you must not claim that you
+ *    wrote the original software. If you use this
+ *    software in a product, an acknowledgment in
+ *    the product documentation would be appreciated
+ *    but is not required.
+ *
+ * 2. Altered source versions must be plainly marked
+ *    as such, and must not be misrepresented as
+ *    being the original software.
+ *
+ * 3. This notice may not be removed or altered from
+ *    any source distribution.
+ */
+
+/* This files contains type declaration and prototypes for defl_static.c.
+   They may be altered/distinct from the originals used in PuTTY source
+   code. */
+
+struct Outbuf {
+    unsigned char *outbuf;
+    int outlen, outsize;
+    unsigned long outbits;
+    int noutbits;
+    int comp_disabled;
+};
+
+void outbits(struct Outbuf *out, unsigned long bits, int nbits);
+void zlib_start_block(struct Outbuf *ctx);
+void zlib_finish_block(struct Outbuf *ctx);
+void zlib_literal(struct Outbuf *ectx, unsigned char c);
+void zlib_match(struct Outbuf *ectx, int distance, int len);